Changeset 4158


Ignore:
Timestamp:
11/29/18 18:01:30 (5 years ago)
Author:
cetlod
Message:

NEMO_v6: Update ping_nemo according to DR28 & add more 2D outputs needed to check heat & water conservation

Location:
CONFIG/UNIFORM/v6/NEMO_v6/GENERAL/PARAM/XML
Files:
2 edited

Legend:

Unmodified
Added
Removed

  • CONFIG/UNIFORM/v6/NEMO_v6/GENERAL/PARAM/XML/file_def_nemo-opa_cmip6.xml

    r3961 r4158  
    262262          <field field_ref="iceconc"      name="siconc" level="2"  /> 
    263263          <!-- For heat conservation checking --> 
    264           <field field_ref="qt_oce"        name="qt_oce"   long_name="downward total flux at ocean surface"       level="2"     /> 
    265           <field field_ref="qemp_oce"      name="qemp_oce" long_name="Downward Heat Flux from E-P over open ocean"   level="2"         /> 
    266           <field field_ref="qt_ice"        name="qt_ice"   long_name="downward total flux at ice surface"         level="2"   /> 
    267           <field field_ref="qemp_ice"      name="qemp_ice" long_name="Downward Heat Flux from E-P over ice"        level="2"    /> 
    268           <field field_ref="hflx_rain_cea" name="hflx_rain_cea"    level="2"   /> 
    269           <field field_ref="hflx_evap_cea" name="hflx_evap_cea"    level="2"   /> 
    270           <field field_ref="hflx_snow_cea" name="hflx_snow_cea"    level="2"   /> 
    271           <field field_ref="hflx_cal_cea"  name="hflx_cal_cea"    level="2"   /> 
     264          <field field_ref="qt_oce"        name="qt_oce"   long_name="downward total flux at ocean surface"       level="1"     /> 
     265          <field field_ref="qemp_oce"      name="qemp_oce" long_name="Downward Heat Flux from E-P over open ocean"   level="1"         /> 
     266          <field field_ref="qt_ice"        name="qt_ice"   long_name="downward total flux at ice surface"         level="1"   /> 
     267          <field field_ref="qemp_ice"      name="qemp_ice" long_name="Downward Heat Flux from E-P over ice"        level="1"    /> 
     268          <field field_ref="hflx_rain_cea" name="hflx_rain_cea"    level="1"   /> 
     269          <field field_ref="hflx_evap_cea" name="hflx_evap_cea"    level="1"   /> 
     270          <field field_ref="hflx_snow_cea" name="hflx_snow_cea"    level="1"   /> 
     271          <field field_ref="hflx_cal_cea"  name="hflx_cal_cea"    level="1"   /> 
    272272          <!-- For freshwater conservation checking --> 
    273273          <field field_ref="empmr"         name="wfo"      long_name="water_flux_into_sea_water"        level="1"              /> 
    274           <field field_ref="emp_oce"       name="emp_oce"       level="2"                /> 
    275           <field field_ref="emp_ice"       name="emp_ice"       level="2"                /> 
    276           <field field_ref="runoffs"       name="runoffs"        level="2"               /> 
    277       <field field_ref="runoffs"       name="friver"   long_name="water_flux_into_sea_water_from_rivers"     level="1" > runoffs - iceberg_cea </field> 
    278           <field field_ref="calving_cea"   name="calving" level="2" /> 
    279           <field field_ref="iceberg_cea"   name="iceberg" level="2" /> 
    280           <field field_ref="iceshelf_cea"  name="iceshelf" level="2" /> 
    281           <field field_ref="vfxice"        name="vfxice" level="2" /> 
    282           <field field_ref="vfxsnw"        name="vfxsnw" level="2" /> 
    283           <field field_ref="vfxsub"        name="vfxsub" level="2" /> 
    284           <field field_ref="vfxspr"        name="vfxspr" level="2" /> 
    285           <field field_ref="rain"          name="rain"   level="2"    /> 
    286           <field field_ref="snow_ao_cea"   name="snow_ao_cea"    level="2"   /> 
    287           <field field_ref="snow_ai_cea"   name="snow_ai_cea"    level="2"   /> 
    288           <field field_ref="evap_ao_cea"   name="evap_ao_cea"    level="2"   /> 
    289           <field field_ref="subl_ai_cea"   name="subl_ai_cea"    level="2"   /> 
     274          <field field_ref="emp_oce"       name="emp_oce"       level="1"                /> 
     275          <field field_ref="emp_ice"       name="emp_ice"       level="1"                /> 
     276          <field field_ref="runoffs"       name="runoffs"        level="1"               /> 
     277          <field field_ref="runoffs"       name="friver"   long_name="water_flux_into_sea_water_from_rivers"     level="1" > runoffs - iceberg_cea </field> 
     278          <field field_ref="calving_cea"   name="calving" level="1" /> 
     279          <field field_ref="iceberg_cea"   name="iceberg" level="1" /> 
     280          <field field_ref="iceshelf_cea"  name="iceshelf" level="1" /> 
     281          <field field_ref="vfxice"        name="vfxice" level="1" /> 
     282          <field field_ref="vfxsnw"        name="vfxsnw" level="1" /> 
     283          <field field_ref="vfxsub"        name="vfxsub" level="1" /> 
     284          <field field_ref="vfxspr"        name="vfxspr" level="1" /> 
     285          <field field_ref="rain"          name="rain"   level="1"    /> 
     286          <field field_ref="snow_ao_cea"   name="snow_ao_cea"    level="1"   /> 
     287          <field field_ref="snow_ai_cea"   name="snow_ai_cea"    level="1"   /> 
     288          <field field_ref="evap_ao_cea"   name="evap_ao_cea"    level="1"   /> 
     289          <field field_ref="subl_ai_cea"   name="subl_ai_cea"    level="1"   /> 
    290290          <!-- For salt conservation checking --> 
    291           <field field_ref="saltflx"      name="sosflxdo" level="2"  /> 
     291          <field field_ref="saltflx"      name="sosflxdo" level="1"  /> 
    292292        </file> 
    293293 

  • CONFIG/UNIFORM/v6/NEMO_v6/GENERAL/PARAM/XML/ping_nemo.xml

    r4001 r4158  
    1 <!-- Ping files generated by dr2xml 0.23 using Data Request 01.00.18 --> 
     1<!-- Ping files generated by dr2xml 1.13 using Data Request 01.00.27 --> 
    22<!-- lrealms= ['ocean'] --> 
    33<!-- exact= False --> 
    … …  
    1111 sizes : {'LR': [20592, 79, 32768, 91, 30, 14, 128]} 
    1212 ping_variables_prefix : CMIP6_ 
    13  source_types : {'IPSL-CM6A-LR': 'AOGCM'} 
     13 source_types : {'IPSL-CM6A-LR': 'AOGCM AER BGC'} 
    1414 path_extra_tables : None 
    1515 grid_policy : native 
    1616 path_special_defs : None 
    17  mips : {'LR': set(['CORDEX', 'GMMIP', 'RFMIP', 'AerChemMIP', 'CMIP6', 'OMIP', 'GeoMIP', 'C4MIP', 'PDRMIP', 'DCPP', 'DECK', 'LUMIP', 'CMIP5', 'CFMIP', 'ScenarioMIP', 'DAMIP', 'CCMI', 'SolarMIP', 'VIACSAB', 'SIMIP', 'CMIP', 'ISMIP6', 'VolMIP', 'PMIP', 'FAFMIP', 'HighResMIP', 'LS3MIP', 'SPECS', 'DynVar'])} 
    18  excluded_vars : [] 
     17 mips : {'LR': set(['CORDEX', 'GMMIP', 'RFMIP', 'VolMIP', 'CMIP6', 'ScenarioMIP', 'GeoMIP', 'C4MIP', 'PDRMIP', 'CMIP', 'DECK', 'LUMIP', 'CMIP5', 'CFMIP', 'OMIP', 'DAMIP', 'CCMI', 'SolarMIP', 'VIACSAB', 'SIMIP', 'DCPP', 'ISMIP6', 'AerChemMIP', 'PMIP', 'FAFMIP', 'DynVar', 'LS3MIP', 'SPECS', 'HighResMIP'])} 
     18excluded_vars : [] 
    1919 orphan_variables : {} 
    20 -->  
     20 -->  
    2121<context id="nemo"> 
    2222<field_definition> 
    2323<field_group freq_op="_reset_" freq_offset="_reset_"> 
    2424<!-- for variables which realm equals one of _ocean--> 
    25    <field id="CMIP6_O18sw"         field_ref="dummy_XYO"        /> <!-- P1 () O18sw : Roche - LSCE - **** NEMO-RD does not do --> 
    26    <field id="CMIP6_agessc"        field_ref="Age_E3T" expr="@Age_E3T / @e3t" > Age_E3T / e3t </field>  <!-- P1 (yr) sea_water_age_since_surface_contact : Time elapsed since water was last in surface layer of the ocean. **** NEMO-RD: P2 for IPSL CM6 (in forced mode only) -->  
    27    <field id="CMIP6_areacello"     field_ref="areacello"        /> <!-- P1 (m2) cell_area : Horizontal area of ocean grid cells --> 
    28    <field id="CMIP6_basin"         field_ref="basins"           /> <!-- P1 (1.0) region : Region Selection Index -->  
    29    <field id="CMIP6_bigthetao"     field_ref="toce" expr="@toce_e3t / @e3t" > toce_e3t / e3t </field>  <!-- P1 (degC) sea_water_conservative_temperature : Sea water conservative temperature (this should be contributed only for models using conservative temperature as prognostic field) --> 
    30    <field id="CMIP6_bigthetaoga"   field_ref="sctemtot"         /> <!-- P1 (degC) sea_water_conservative_temperature : Diagnostic should be contributed only for models using conservative temperature as prognostic field. . --> 
    31    <field id="CMIP6_cfc11"         field_ref="CFC11_E3T" expr="@CFC11_E3T / @e3t" > CFC11_E3T / e3t </field>  <!-- P1 (mol m-3) mole_concentration_of_cfc11_in_sea_water : Moles Per Unit Mass of CFC-11 in sea water --> 
    32    <field id="CMIP6_cfc12"         field_ref="CFC12_E3T" expr="@CFC12_E3T / @e3t" > CFC12_E3T / e3t </field>  <!-- P2 (mol m-3) mole_concentration_of_cfc12_in_sea_water : Mole Concentration of CFC-12 in sea water --> 
     25   <field id="CMIP6_agessc"        field_ref="Age_E3T" expr="@Age_E3T / @e3t" > Age_E3T / e3t </field>  <!-- P1 (yr) sea_water_age_since_surface_contact : Time elapsed since water was last in surface layer of the ocean. --> 
     26   <field id="CMIP6_areacello"     field_ref="areacello"        /> <!-- P1 (m2) cell_area : Cell areas for any grid used to report ocean variables and variables which are requested as used on the model ocean grid (e.g. hfsso, which is a downward heat flux from the atmosphere interpolated onto the ocean grid). These cell areas should be defined to enable exact calculation of global integrals (e.g., of vertical fluxes of energy at the surface and top of the atmosphere). --> 
     27   <field id="CMIP6_basin"         field_ref="basins"           /> <!-- P1 (1) region : A variable with the standard name of region contains strings which indicate geographical regions. These strings must be chosen from the standard region list. --> 
     28   <field id="CMIP6_bigthetao"     field_ref="toce" expr="@toce_e3t / @e3t" > toce_e3t / e3t </field> <!-- P1 (degC) sea_water_conservative_temperature : Diagnostic should be contributed only for models using conservative temperature as prognostic field. -->  
     29   <field id="CMIP6_bigthetaoga"   field_ref="sctemtot"         /> <!-- P1 (degC) sea_water_conservative_temperature : Diagnostic should be contributed only for models using conservative temperature as prognostic field. --> 
     30   <field id="CMIP6_cfc11"         field_ref="CFC11_E3T" expr="@CFC11_E3T / @e3t" > CFC11_E3T / e3t </field>  <!-- P1 (mol m-3) mole_concentration_of_cfc11_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The chemical formula of CFC11 is CFCl3. The IUPAC name fof CFC11 is trichloro-fluoro-methane. --> 
     31   <field id="CMIP6_cfc12"         field_ref="CFC12_E3T" expr="@CFC12_E3T / @e3t" > CFC12_E3T / e3t </field>  <!-- P1 (mol m-3) mole_concentration_of_cfc12_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The chemical formula for CFC12 is CF2Cl2. The IUPAC name for CFC12 is dichloro-difluoro-methane. --> 
    3332   <field id="CMIP6_deptho"        field_ref="tpt_dep"          /> <!-- P1 (m) sea_floor_depth_below_geoid : Ocean bathymetry.   Reported here is the sea floor depth for present day relative to z=0 geoid. Reported as missing for land grid cells. -->   
    34    <field id="CMIP6_difmxybo"  field_ref="dummy_XYO"        /> <!-- P2 (m4 s-1) ocean_momentum_xy_biharmonic_diffusivity : Lateral biharmonic viscosity applied to the momentum equitions. --> 
    35    <field id="CMIP6_difmxybo2d"    field_ref="dummy_XYO"        /> <!-- P3 (m4 s-1) ocean_momentum_xy_biharmonic_diffusivity : Lateral biharmonic viscosity applied to the momentum equitions. --> 
    36    <field id="CMIP6_difmxylo"  field_ref="dummy_XYO"        /> <!-- P2 (m2 s-1) ocean_momentum_xy_laplacian_diffusivity : Lateral Laplacian viscosity applied to the momentum equitions. --> 
    37    <field id="CMIP6_difmxylo2d"    field_ref="dummy_XYO"        /> <!-- P3 (m2 s-1) ocean_momentum_xy_laplacian_diffusivity : Lateral Laplacian viscosity applied to the momentum equitions. *** NEMO-RD not relevant for IPSLCM6 --> 
     33   <field id="CMIP6_difmxybo"  field_ref="dummy_XYO"        /> <!-- P2 (m4 s-1) ocean_momentum_xy_biharmonic_diffusivity : Lateral biharmonic viscosity applied to the momentum equations. --> 
     34   <field id="CMIP6_difmxybo2d"    field_ref="dummy_XYO"        /> <!-- P3 (m4 s-1) ocean_momentum_xy_biharmonic_diffusivity : Lateral biharmonic viscosity applied to the momentum equations. --> 
     35   <field id="CMIP6_difmxylo"  field_ref="dummy_XYO"        /> <!-- P2 (m2 s-1) ocean_momentum_xy_laplacian_diffusivity : Lateral Laplacian viscosity applied to the momentum equations. --> 
     36   <field id="CMIP6_difmxylo2d"    field_ref="dummy_XYO"        /> <!-- P3 (m2 s-1) ocean_momentum_xy_laplacian_diffusivity : Lateral Laplacian viscosity applied to the momentum equations. --> 
    3837   <field id="CMIP6_diftrbbo"      field_ref="dummy_XYO"        /> <!-- P3 (m4 s-1) ocean_tracer_bolus_biharmonic_diffusivity : unset --> 
    3938   <field id="CMIP6_diftrbbo2d"    field_ref="dummy_XYO"        /> <!-- P3 (m4 s-1) ocean_tracer_bolus_biharmonic_diffusivity : unset --> 
    40    <field id="CMIP6_diftrblo"      field_ref="dummy_XYO"        /> <!-- P3 (m2 s-1) ocean_tracer_bolus_laplacian_diffusivity : Ocean tracer diffusivity associated with parameterized eddy-induced advective transport. Sometimes this diffusivity is called the 'thickness' diffusivity. For CMIP5, this diagnostic was called 'ocean tracer bolus laplacian diffusivity'.  The CMIP6 name is physically more relevant. --> 
     39   <field id="CMIP6_diftrblo"      field_ref="dummy_XYO"        /> <!-- P1 (m2 s-1) ocean_tracer_bolus_laplacian_diffusivity : Ocean tracer diffusivity associated with parameterized eddy-induced advective transport. Sometimes this diffusivity is called the 'thickness' diffusivity. For CMIP5, this diagnostic was called 'ocean tracer bolus laplacian diffusivity'.  The CMIP6 name is physically more relevant. --> 
    4140   <field id="CMIP6_diftrblo2d"    field_ref="aht2d_eiv"        /> <!-- P3 (m2 s-1) ocean_tracer_bolus_laplacian_diffusivity : Ocean tracer diffusivity associated with parameterized eddy-induced advective transport. Sometimes this diffusivity is called the 'thickness' diffusivity. For CMIP5, this diagnostic was called 'ocean tracer bolus laplacian diffusivity'.  The CMIP6 name is physically more relevant. --> 
    4241   <field id="CMIP6_diftrebo"      field_ref="dummy_XYO"        /> <!-- P3 (m4 s-1) ocean_tracer_epineutral_biharmonic_diffusivity : unset --> 
    4342   <field id="CMIP6_diftrebo2d"    field_ref="dummy_XYO"        /> <!-- P3 (m4 s-1) ocean_tracer_epineutral_biharmonic_diffusivity : unset --> 
    44    <field id="CMIP6_diftrelo"      field_ref="dummy_XYO"        /> <!-- P3 (m2 s-1) ocean_tracer_epineutral_laplacian_diffusivity : Ocean tracer diffusivity associated with parameterized eddy-induced diffusive transport oriented along neutral or isopycnal directions. Sometimes this diffusivity is called the neutral diffusivity or isopycnal diffusivity or Redi diffusivity. --> 
     43   <field id="CMIP6_diftrelo"      field_ref="dummy_XYO"        /> <!-- P1 (m2 s-1) ocean_tracer_epineutral_laplacian_diffusivity : Ocean tracer diffusivity associated with parameterized eddy-induced diffusive transport oriented along neutral or isopycnal directions. Sometimes this diffusivity is called the neutral diffusivity or isopycnal diffusivity or Redi diffusivity. --> 
    4544   <field id="CMIP6_diftrelo2d"    field_ref="aht2d_eiv"        /> <!-- P3 (m2 s-1) ocean_tracer_epineutral_laplacian_diffusivity : Ocean tracer diffusivity associated with parameterized eddy-induced diffusive transport oriented along neutral or isopycnal directions. Sometimes this diffusivity is called the neutral diffusivity or isopycnal diffusivity or Redi diffusivity. --> 
    4645   <field id="CMIP6_diftrxybo"     field_ref="dummy_XYO"        /> <!-- P3 (m4 s-1) ocean_tracer_xy_biharmonic_diffusivity : unset --> 
    … …  
    5352   <field id="CMIP6_difvmfdo"      field_ref="dummy_XYO"        /> <!-- P1 (m2 s-1) ocean_vertical_momentum_diffusivity_due_to_form_drag : unset **** NEMO-RD not relevant for IPSL CM6-->  
    5453   <field id="CMIP6_difvmo"        field_ref="avm_e3w"  expr="@avm_e3w / @e3w" > avm_e3w / e3w </field> <!-- P1 (m2 s-1) ocean_vertical_momentum_diffusivity : unset --> 
    55    <field id="CMIP6_difvmto"       field_ref="av_wave_e3w" expr="@av_wave_e3w / @e3w" > av_wave_e3w / e3w </field> <!-- P1 (m2 s-1) ocean_vertical_momentum_diffusivity_due_to_tides : unset -->  
     54   <field id="CMIP6_difvmto"       field_ref="av_wave_e3w"  expr="@av_wave_e3w / @e3w" > av_wave_e3w / e3w </field> <!-- P1 (m2 s-1) ocean_vertical_momentum_diffusivity_due_to_tides : unset -->  
    5655   <field id="CMIP6_difvso"        field_ref="avs_e3w"  expr="@avs_e3w / @e3w" > avs_e3w / e3w </field> <!-- P1 (m2 s-1) ocean_vertical_salt_diffusivity : Vertical/dianeutral diffusivity applied to prognostic salinity field. --> 
    5756   <field id="NEMO_difvso_noevd"   field_ref="avs_e3w"  expr="(@avs_e3w - @avt_evd_e3w) / @e3w" > ( avs_e3w - avt_evd_e3w)  / e3w </field>  <!-- P3 (m2 s-1) ocean vertical heat diffusivity without evd contribution ****  NEMO-RD : extra variable not required by CMIP6 --> 
    … …  
    6463   <field id="CMIP6_fgcfc11"       field_ref="qtr_CFC11"         /> <!-- P2 (mol sec-1 m-2) surface_downward_mole_flux_of_cfc11 : gas exchange flux of CFC11 --> 
    6564   <field id="CMIP6_fgcfc12"       field_ref="qtr_CFC12"         /> <!-- P1 (mol sec-1 m-2) surface_downward_mole_flux_of_cfc12 : gas exchange flux of CFC12 --> 
    66    <field id="CMIP6_fgsf6"         field_ref="qtr_SF6"           /> <!-- P2 (mol sec-1 m-2) fgsf6 : gas exchange flux of SF6 --> 
     65   <field id="CMIP6_fgsf6"         field_ref="qtr_SF6"           /> <!-- P1 (mol sec-1 m-2) fgsf6 : gas exchange flux of SF6 --> 
    6766   <field id="CMIP6_ficeberg"      field_ref="dummy_XYO"         /> <!-- P1 (kg m-2 s-1) water_flux_into_sea_water_from_icebergs : computed as the iceberg melt water  flux into the ocean divided by the area of the ocean portion of the grid cell. *** NEMO-RD : does not do (output of vertical profile to be coded) --> 
    68    <field id="CMIP6_ficeberg2d"    field_ref="iceberg_cea"         /> <!-- P1 (kg m-2 s-1) water_flux_into_sea_water_from_icebergs : computed as the iceberg melt water  flux into the ocean divided by the area of the ocean portion of the grid cell. -->  
     67   <field id="CMIP6_ficeberg2d"    field_ref="iceberg_cea"         /> <!-- P1 (kg m-2 s-1) water_flux_into_sea_water_from_icebergs : computed as the iceberg melt water  flux into the ocean divided by the area of the ocean portion of the grid cell. **** NEMO-RD : TODO some work needed for forced mode to read iceberg contribution independently from river runoffs -->  
    6968   <field id="CMIP6_flandice"      field_ref="iceshelf_cea"        /> <!-- P1 (kg m-2 s-1) water_flux_into_sea_water_from_land_ice : Computed as the water flux into the ocean due to land ice (runoff water from surface and base of land ice or melt from base of ice shelf or vertical ice front) into the ocean divided by the area ocean portion of the grid cell -->  
    7069   <field id="CMIP6_friver"        field_ref="runoffs"> this - iceberg_cea </field><!-- P1 (kg m-2 s-1) water_flux_into_sea_water_from_rivers : computed as the river flux of water into the ocean divided by the area of the ocean portion of the grid cell.  --> 
    … …  
    7776   <field id="CMIP6_hfbasinpsmadv" field_ref="dummy_basin_zonal_mean"/> <!-- P1 (W) hfbasinpsmadv : Contributions to heat transport from parameterized SUB!!mesoscale eddy-induced advective transport. Diagnosed here as a function of latitude and basin.  Use Celsius for temperature scale. **** NEMO-RD: not relevant for IPSLCM6--> 
    7877   <field id="CMIP6_hfcorr"        field_ref="qrp"         /> <!-- P0 (W m-2) heat_flux_correction : Heat Flux Correction **** NEMO-RD: not relevant for IPSLCM6 --> 
    79    <field id="CMIP6_hfds"          field_ref="qt"        >  this - qrp </field>    <!-- P1 (W m-2) surface_downward_heat_flux_in_sea_water : This is the net flux of heat entering the liquid water column through its upper surface (excluding any "flux adjustment") . --> 
     78   <field id="CMIP6_hfds"          field_ref="qt"     > qt - qrp </field><!-- P1 (W m-2) surface_downward_heat_flux_in_sea_water : This is the net flux of heat entering the liquid water column through its upper surface (excluding any "flux adjustment") . --> 
    8079   <field id="CMIP6_hfevapds"      field_ref="hflx_evap_cea"    /> <!-- P1 (W m-2) temperature_flux_due_to_evaporation_expressed_as_heat_flux_out_of_sea_water : This is defined as "where ice_free_sea over sea" --> 
    8180   <field id="CMIP6_hfgeou"        field_ref="hfgeou"         /> <!-- P1 (W m-2) upward_geothermal_heat_flux_at_sea_floor : Upward Geothermal Heat Flux at Sea Floor --> 
    … …  
    105104   <field id="CMIP6_msftmrho"      field_ref="dummy_basin_merid_section_density"/> <!-- P1 (kg s-1) ocean_meridional_overturning_mass_streamfunction : Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized. **** NEMO-RD does not do: no interpolation from y to meridional --> 
    106105   <field id="CMIP6_msftmrhompa"   field_ref="dummy_basin_merid_section_density"/> <!-- P1 (kg s-1) msftmrhompa : CMIP5 called this "due to Bolus Advection".  Name change respects the more general physics of the mesoscale parameterizations. **** NEMO-RD does not do: no interpolation from y to meridional-->  
    107    <field id="CMIP6_msftmyz"       field_ref="dummy_basin_merid_section"        /> <!-- P1 (kg s-1) ocean_meridional_overturning_mass_streamfunction : Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized. **** NEMO-RD does not do: no interpolation from y to meridional --> 
     106   <field id="CMIP6_msftmz"       field_ref="dummy_basin_merid_section"        /> <!-- P1 (kg s-1) ocean_meridional_overturning_mass_streamfunction : Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized. **** NEMO-RD does not do: no interpolation from y to meridional --> 
    108107   <field id="CMIP6_msftmzmpa"     field_ref="dummy_basin_merid_section"        /> <!-- P1 (kg s-1) msftmzmpa : CMIP5 called this "due to Bolus Advection".  Name change respects the more general physics of the mesoscale parameterizations. **** NEMO-RD does not do: no interpolation from y to meridional-->  
    109108   <field id="CMIP6_msftmzsmpa"    field_ref="dummy_basin_merid_section"        /> <!-- P1 (kg s-1) msftmzsmpa : Report only if there is a submesoscale eddy parameterization. **** NEMO-RD: not relevant for IPSL CM6--> 
    … …  
    114113   <field id="CMIP6_msftyzsmpa"    field_ref="dummy_basin_merid_section"         /> <!-- P1 (kg s-1) msftyzsmpa : Report only if there is a submesoscale eddy parameterization. **** NEMO-RD: not relevant for IPSL CM6--> 
    115114   <field id="CMIP6_obvfsq"        field_ref="bn2_e3t" expr="@bn2_e3t / @e3t" > bn2_e3t / e3t </field> <!-- P1 (s-2) obvfsq : Square of Brunt Vaisala Frequency in Sea Water --> 
    116    <field id="CMIP6_ocontempdiff"  field_ref="ttrd_zdfp_e3t" > this * $cpocean * $rau0 </field> <!-- P2 (W m-2) ocontempdiff : Tendency of heat content for a grid cell from parameterized dianeutral mixing. Reported only for models that use conservative temperature as prognostic field. --> 
     115   <field id="CMIP6_ocontempdiff"  field_ref="ttrd_zdfp_e3t" > this * $cpocean * $rau0 </field> <!-- P1 (W m-2) ocontempdiff : Tendency of heat content for a grid cell from parameterized dianeutral mixing. Reported only for models that use conservative temperature as prognostic field. --> 
    117116   <field id="CMIP6_ocontempmint"  field_ref="dummy_XY"         /> <!-- P3 (degC kg m-2) ocontempmint : Full column sum of density*cell thickness*conservative temperature. If the model is Boussinesq, then use Boussinesq reference density for the density factor. NEMO-RD: exactly same as tomint hence we leave dummy_XY here --> 
    118117   <field id="CMIP6_ocontemppadvect" field_ref="ttrd_eivad_e3t" > this * $cpocean * $rau0 </field> <!-- P1 (W m-2) ocontemppadvect : Tendency of heat content for a grid cell from parameterized eddy advection (any form of eddy advection). Reported only for models that use conservative temperature as prognostic field. --> 
    119    <field id="CMIP6_ocontemppmdiff" field_ref="ttrd_iso_e3t" > this * $cpocean * $rau0 </field>  <!-- P2 (W m-2) ocontemppmdiff : Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use conservative temperature as prognostic field. --> 
     118   <field id="CMIP6_ocontemppmdiff" field_ref="ttrd_iso_e3t" > this * $cpocean * $rau0 </field>  <!-- P1 (W m-2) ocontemppmdiff : Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use conservative temperature as prognostic field. --> 
    120119   <field id="CMIP6_ocontemppsmadvect" field_ref="dummy_XYO"    /> <!-- P1 (W m-2) ocontemppsmadvect : Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use conservative temperature as prognostic field. **** NEMO-RD not relevant for IPSL CM6--> 
    121120   <field id="CMIP6_ocontemprmadvect" field_ref="ttrd_totad_e3t" > this * $cpocean * $rau0  </field> <!-- P1 (W m-2) ocontemprmadvect : Tendency of Sea Water Conservative Temperature Expressed as Heat Content due to Residual Mean Advection  --> 
    … …  
    125124   <field id="CMIP6_opottempmint"  field_ref="dummy_XY"         /> <!-- P1 (degC kg m-2) opottempmint : __unset__ **** NEMO-RD : not relevant for IPSLCM6 --> 
    126125   <field id="CMIP6_opottemppadvect" field_ref="dummy_XYO"      /> <!-- P1 (W m-2) opottemppadvect : Tendency of heat content for a grid cell from parameterized eddy advection (any form of eddy advection). Reported only for models that use potential temperature as prognostic field. **** NEMO-RD : not relevant for IPSLCM6 --> 
    127    <field id="CMIP6_opottemppmdiff" field_ref="dummy_XYO"       /> <!-- P2 (W m-2) opottemppmdiff : Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use potential temperature as prognostic field. **** NEMO-RD not relevant for IPSL CM6 --> 
    128    <field id="CMIP6_opottemppsmadvect" field_ref="dummy_XYO"    /> <!-- P2 (W m-2) opottemppsmadvect : Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use potential temperature as prognostic field. **** NEMO-RD not relevant for IPSL CM6 --> 
    129    <field id="CMIP6_opottemprmadvect" field_ref="dummy_XYO"     /> <!-- P2 (W m-2) opottemprmadvect : Tendency of Sea Eater Potential Temperature Expressed as Heat Content due to Residual Mean Advection **** NEMO-RD not relevant for IPSL CM6 --> 
    130    <field id="CMIP6_opottemptend"  field_ref="dummy_XYO"        /> <!-- P2 (W m-2) opottemptend : Tendency of heat content for a grid cell from all processes. Reported only for models that use potential temperature as prognostic field. **** NEMO-RD not relevant for IPSL CM6--> 
    131    <field id="CMIP6_osaltdiff"     field_ref="strd_zdfp_e3t"    > this * $rau0 </field> <!-- P2 (kg m-2 s-1) osaltdiff : Tendency of salt content for a grid cell from parameterized dianeutral mixing.--> 
    132    <field id="CMIP6_osaltpadvect"  field_ref="strd_eivad_e3t"  > this * $rau0 </field> <!-- P2 (kg m-2 s-1) osaltpadvect : Tendency of salt content for a grid cell from parameterized eddy advection (any form of eddy advection). --> 
     126   <field id="CMIP6_opottemppmdiff" field_ref="dummy_XYO"       /> <!-- P1 (W m-2) opottemppmdiff : Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use potential temperature as prognostic field. **** NEMO-RD not relevant for IPSL CM6 --> 
     127   <field id="CMIP6_opottemppsmadvect" field_ref="dummy_XYO"    /> <!-- P1 (W m-2) opottemppsmadvect : Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use potential temperature as prognostic field. **** NEMO-RD not relevant for IPSL CM6 --> 
     128   <field id="CMIP6_opottemprmadvect" field_ref="dummy_XYO"     /> <!-- P1 (W m-2) opottemprmadvect : Tendency of Sea Eater Potential Temperature Expressed as Heat Content due to Residual Mean Advection **** NEMO-RD not relevant for IPSL CM6 --> 
     129   <field id="CMIP6_opottemptend"  field_ref="dummy_XYO"        /> <!-- P1 (W m-2) opottemptend : Tendency of heat content for a grid cell from all processes. Reported only for models that use potential temperature as prognostic field. **** NEMO-RD not relevant for IPSL CM6--> 
     130   <field id="CMIP6_osaltdiff"     field_ref="strd_zdfp_e3t"    > this * $rau0 </field> <!-- P1 (kg m-2 s-1) osaltdiff : Tendency of salt content for a grid cell from parameterized dianeutral mixing.--> 
     131   <field id="CMIP6_osaltpadvect"  field_ref="strd_eivad_e3t"  > this * $rau0 </field> <!-- P1 (kg m-2 s-1) osaltpadvect : Tendency of salt content for a grid cell from parameterized eddy advection (any form of eddy advection). --> 
    133132   <field id="CMIP6_osaltpmdiff"   field_ref="strd_iso_e3t"  > this * $rau0 </field> <!-- P1 (kg m-2 s-1) osaltpmdiff : Tendency of salt content for a grid cell from parameterized mesoscale eddy diffusion. --> 
    134133   <field id="CMIP6_osaltpsmadvect" field_ref="dummy_XYO"       /> <!-- P1 (kg m-2 s-1) osaltpsmadvect : Tendency of salt content for a grid cell from parameterized submesoscale eddy advection. **** NEMO-RD: not relevant for IPSL CM6-->  
    135134   <field id="CMIP6_osaltrmadvect" field_ref="strd_totad_e3t"  > this * $rau0  </field> <!-- P1 (kg m-2 s-1) osaltrmadvect : Tendency of Sea Water Salinity Expressed as Salt Content due to Residual Mean Advection --> 
    136    <field id="CMIP6_osalttend"     field_ref="strd_tot_e3t"  > this * $rau0 </field> <!-- P2 (kg m-2 s-1) osalttend : Tendency of salt content for a grid cell from all processes. --> 
     135   <field id="CMIP6_osalttend"     field_ref="strd_tot_e3t"  > this * $rau0 </field> <!-- P1 (kg m-2 s-1) osalttend : Tendency of salt content for a grid cell from all processes. --> 
    137136   <field id="CMIP6_pabigthetao"   field_ref="dummy_XYO"        /> <!-- P1 (degC) pabigthetao : Sea Water Added Conservative Temperature **** NEMO-RD: ?? variable undefined in Griffies >> waiting for next DR --> 
    138137   <field id="CMIP6_pathetao"      field_ref="dummy_XYO"        /> <!-- P1 (degC) pathetao : __unset__ **** NEMO-RD: ?? variable undefined in Griffies >> waiting for next DR --> 
    … …  
    140139   <field id="CMIP6_prbigthetao"   field_ref="dummy_XYO"        /> <!-- P1 (degC) prbigthetao : Sea Water Redistributed Conservative Temperature **** NEMO-RD: ?? variable undefined in Griffies >> waiting for next DR --> 
    141140   <field id="CMIP6_prthetao"      field_ref="dummy_XYO"        /> <!-- P1 (degC) prthetao : __unset__ **** NEMO-RD: ?? variable undefined in Griffies >> waiting for next DR --> 
     141   <field id="CMIP6_prw18O"        field_ref="dummy_XYO"        /> <!-- P1 (kg m-2) mass_content_of_water_vapor_containing_18O_in_atmosphere_layer : Ratio of abundance of oxygen-18 (18O) atoms to oxgen-16 (16O) atoms in sea water --> 
    142142   <field id="CMIP6_pso"           field_ref="dummy_XY"         /> <!-- P1 (Pa) sea_water_pressure_at_sea_water_surface : Sea Water Pressure at Sea Water Surface **** NEMO-RD: not relevant for IPSLCM6 --> 
    143143   <field id="CMIP6_rlntds"        field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_net_downward_longwave_flux : This is defined as "where ice_free_sea over sea" **** NEMO-RD: does not do --> 
    144    <field id="CMIP6_rsdo"          field_ref="qsr3d_e3t_SBC" expr="@qsr3d_e3t_SBC / @e3t_SBC" > qsr3d_e3t_SBC / e3t_SBC </field> <!-- P1 (W m-2) downwelling_shortwave_flux_in_sea_water : Downwelling Shortwave Radiation in Sea Water --> 
     144   <field id="CMIP6_rsdo"          field_ref="qsr3d_e3t_SBC" expr="@qsr3d_e3t_SBC / @e3t_SBC" > qsr3d_e3t_SBC / e3t_SBC </field>  <!-- P1 (W m-2) downwelling_shortwave_flux_in_sea_water : Downwelling Shortwave Radiation in Sea Water --> 
    145145   <field id="CMIP6_rsdoabsorb"    field_ref="dummy_XYO"        /> <!-- P2 (W m-2) net_rate_of_absorption_of_shortwave_energy_in_ocean_layer : Net Rate of Absorption of Shortwave Energy in Ocean Layer **** NEMO-RD: does not do : easy to compute offline --> 
    146146   <field id="CMIP6_rsntds"        field_ref="qsr"              /> <!-- P1 (W m-2) net_downward_shortwave_flux_at_sea_water_surface : This is the flux into the surface of liquid sea water only. This excludes shortwave flux absorbed by sea ice, but includes any light that passes through the ice and is absorbed by the ocean. --> 
    147   <field id="CMIP6_sf6"            field_ref="SF6_E3T" expr="@SF6_E3T / @e3t" > SF6_E3T / e3t </field>  <!-- P2 (mol m-3) mole_concentration_of_sulfur_hexafluoride_in_sea_water : Moles Per Unit Mass of SF6 in sea water **** NEMO-RD: does not do --> 
     147  <field id="CMIP6_sf6"            field_ref="SF6_E3T"   expr="@SF6_E3T / @e3t" > SF6_E3T / e3t </field>  <!-- P1 (mol m-3) mole_concentration_of_sulfur_hexafluoride_in_sea_water : Moles Per Unit Mass of SF6 in sea water **** NEMO-RD: does not do --> 
    148148   <field id="CMIP6_sfdsi"         field_ref="saltflx" > this * $convSpsu </field> <!-- P1 (kg m-2 s-1) downward_sea_ice_basal_salt_flux : This field is physical, and it arises since sea ice has a nonzero salt content, so it exchanges salt with the liquid ocean upon melting and freezing. --> 
    149149   <field id="CMIP6_sfriver"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) salt_flux_into_sea_water_from_rivers : This field is physical, and it arises when rivers carry a nonzero salt content.  Often this is zero, with rivers assumed to be fresh. NEMO-RD : not relevant for IPSLCM6 --> 
    … …  
    160160   <field id="CMIP6_sosga"         field_ref="scssstot" > this * $convSpsu </field>  <!-- P1 (0.001) sea_surface_salinity : Global Average Sea Surface Salinity --> 
    161161   <field id="CMIP6_sossq"         field_ref="sss2" > this * $convSpsu * $convSpsu  </field> <!-- P3 (1e-06) sossq : Square of Sea Surface Salinity -->  
     162   <field id="CMIP6_sw18O"         field_ref="dummy_XYA"        /> <!-- P1 (1) isotope_ratio_of_17O_to_16O_in_sea_water_excluding_solutes_and_solids : Ratio of abundance of oxygen-17 (17O) atoms to oxgen-16 (16O) atoms in sea water --> 
     163   <field id="CMIP6_sw2H"          field_ref="dummy_XYO"        /> <!-- P1 (1)  : Ratio of abundance of hydrogen-2 (2H) atoms to hydrogen-1 (1H) atoms in sea water --> 
    162164   <field id="CMIP6_t20d"      field_ref="20d"         /> <!-- P1 (m) depth_of_isosurface_of_sea_water_potential_temperature : unset --> 
    163165   <field id="CMIP6_tauucorr"      field_ref="dummy_FAFMIP"         /> <!-- P1 (N m-2) surface_downward_x_stress_correction : This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc.  *** NEMO-RD : TODO for FAFMIP experiments ??? --> 
    … …  
    178180   <field id="CMIP6_tnpeotb"       field_ref="dummy_XYO"        /> <!-- P1 (W m-2) tendency_of_ocean_potential_energy_content_due_to_background : unset --> 
    179181   <field id="CMIP6_tob"           field_ref="toce_potb_e3tb" expr="@toce_potb_e3tb / @e3tb" > toce_potb_e3tb / e3tb </field> <!-- P1 (degC) sea_water_potential_temperature_at_sea_floor : Potential temperature at the ocean bottom-most grid cell.  --> 
    180    <field id="CMIP6_tomint"        field_ref="tosmint"           /> <!-- P2 (1e-3 kg m-2) tomint : Full column sum of density*cell thickness*prognostic temperature. If the model is Boussinesq, then use Boussinesq reference density for the density factor. *** NEMO-RD assumes this is potential temperature + provides with units °C kg m-2--> 
    181    <field id="CMIP6_tos"           field_ref="sst_pot"              /> <!-- P1 (K) sea_surface_temperature : temperature of liquid ocean.  Note that the correct standard_name for this variable is "sea_surface_temperature", not "surface_temperature", but this was discovered too late to correct.  To maintain consistency across CMIP5 models, the wrong standard_name will continue to be used. **** NEMO-RD: TODO : JM: is this really requested in K? This does not agree with the .xls document. To be clarified. In NEMO, sst given in Celsius --> 
     182   <field id="NEMO_tomint"        field_ref="tosmint"           /> <!-- P2 (1e-3 kg m-2) tomint : Full column sum of density*cell thickness*prognostic temperature. If the model is Boussinesq, then use Boussinesq reference density for the density factor. *** NEMO-RD assumes this is potential temperature + provides with units °C kg m-2--> 
     183   <field id="CMIP6_tos"           field_ref="sst_pot"              /> <!-- P1 (degC) sea_surface_temperature : temperature of liquid ocean.  Note that the correct standard_name for this variable is "sea_surface_temperature", not "surface_temperature", but this was discovered too late to correct.  To maintain consistency across CMIP5 models, the wrong standard_name will continue to be used. **** NEMO-RD: TODO : JM: is this really requested in K? This does not agree with the .xls document. To be clarified. In NEMO, sst given in Celsius --> 
    182184   <field id="CMIP6_tosga"         field_ref="scssttot"           /> <!-- P1 (degC) sea_surface_temperature : This may differ from "surface temperature" in regions of sea ice.This may differ from "surface temperature" in regions of sea ice.For models using conservative temperature as prognostic field, they should report the SST as surface potent --> 
    183185   <field id="CMIP6_tossq"         field_ref="sst_pot2"             /> <!-- P1 (degC2) square_of_sea_surface_temperature : square of temperature of liquid ocean, averaged over the day.  -->   
     186   <field id="CMIP6_ugrid"         field_ref="dummy_XY"         /> <!-- P1 () longitude : Provide for models with unstructured grids only --> 
    184187   <field id="CMIP6_umo"           field_ref="uocetr_eff" > this * $rau0 </field> <!-- P1 (kg s-1) ocean_mass_x_transport : X-ward mass transport from resolved and parameterized advective transport. --> 
    185188   <field id="CMIP6_uo"            field_ref="uoce_e3u" expr="@uoce_e3u / @e3u" > uoce_e3u / e3u </field> <!-- P1 (m s-1) sea_water_x_velocity : Prognostic x-ward velocity component resolved by the model. --> 
    … …  
    193196   <field id="CMIP6_vsfpr"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) virtual_salt_flux_into_sea_water_due_to_rainfall : zero for models using real water fluxes. --> 
    194197   <field id="CMIP6_vsfriver"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) virtual_salt_flux_into_sea_water_from_rivers : zero for models using real water fluxes. --> 
    195    <field id="CMIP6_vsfsit"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) virtual_salt_flux_into_sea_water_due_to_sea_ice_thermodynamics : This variable measures the virtual salt flux into sea water due to the melting of sea ice. It is set to zero in models which receive a real water flux. --> 
    196    <field id="CMIP6_wfcorr"        field_ref="erp"         /> <!-- P0 (kg m-2 s-1) water_flux_correction : Positive flux implies correction adds water to ocean. --> 
    197    <field id="CMIP6_wfo"           field_ref="empmr"         /> <!-- P1 (kg m-2 s-1) water_flux_into_sea_water : computed as the water  flux into the ocean divided by the area of the ocean portion of the grid cell.  This is the sum of the next two variables in this table.  --> 
    198    <field id="CMIP6_wfonocorr"     field_ref="empmr"         > this - erp </field> !<!-- P1 (kg m-2 s-1) water_flux_into_sea_water_without_flux_correction : computed as the water  flux (without flux correction) into the ocean divided by the area of the ocean portion of the grid cell. --> 
     198   <field id="CMIP6_vsfsit"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) virtual_salt_flux_into_sea_water_due_to_sea_ice_thermodynamics : This variable measures the virtual salt flux into sea water due to the melting of sea ice. It is set to zero in models which receive a real water flux. --> 
     199   <field id="CMIP6_wfcorr"        field_ref="erp"         /> <!-- P1 (kg m-2 s-1) water_flux_correction : Positive flux implies correction adds water to ocean. --> 
     200   <field id="CMIP6_wfo"           field_ref="empmr" /> <!-- P1 (kg m-2 s-1) water_flux_into_sea_water : computed as the water  flux into the ocean divided by the area of the ocean portion of the grid cell.  This is the sum of the next two variables in this table.  --> 
     201   <field id="CMIP6_wfonocorr"     field_ref="empmr"  > empmr - erp </field><!-- P1 (kg m-2 s-1) water_flux_into_sea_water_without_flux_correction : computed as the water  flux (without flux correction) into the ocean divided by the area of the ocean portion of the grid cell. *** NEMO-RD : TODO in field_ocean, empmr is defined as water flux out of sea ice and sea water. Is sea ice really taken into here? If no, correct description in field. If yes, this input is wrong here. --> 
    199202   <field id="CMIP6_wmo"           field_ref="wocetr_eff" > this * $rau0 </field> <!-- P1 (kg s-1) upward_ocean_mass_transport : Upward mass transport from resolved and parameterized advective transport. --> 
    200203   <field id="CMIP6_wo"            field_ref="woce" expr="@woce_e3w / @e3w"  > woce_e3w / e3w </field> <!-- P1 (m s-1) upward_sea_water_velocity : Sea Water Vertical Velocity --> 
    … …  
    205208   <field id="CMIP6_zostoga"       field_ref="scsshtst" />       <!-- P1 (m) global_average_thermosteric_sea_level_change : There is no CMIP6 request for zosga nor zossga. --> 
    206209 
    207 <!-- for variables which realm equals one of _seaIce--> 
     210 <!-- for variables which realm equals one of _seaIce--> 
    208211   <field id="CMIP6_siage"         field_ref="iceage"            /> <!-- P1 (s) age_of_sea_ice : Age of sea ice --> 
    209212   <field id="CMIP6_siareaacrossline" field_ref="transport_siarea_transect"        /> <!-- P2 (m2 s-1) siareaacrossline : net (sum of transport in all directions) sea ice area transport through the following four passages, positive into the Arctic Ocean 1. Fram Strait = (11.5W,81.3N to (10.5E,79.6N) 2. Canadian Archipelego = (128.2W,70.6N) to (59.3W,82.1N) 3. Barents opening = (16.8E,76.5N) to (19.2E,70.2N) 4. Bering Strait = (171W,66.2N) to (166W,65N) --> 
    … …  
    212215   <field id="CMIP6_sicompstren"   field_ref="icestr"      /> <!-- P2 (N m-1) compressive_strength_of_sea_ice : Computed strength of the ice pack, defined as the energy (J m-2) dissipated per unit area removed from the ice pack under compression, and assumed proportional to the change in potential energy caused by ridging. For Hibler-type models, this is P (= P*hexp(-C(1-A))) --> 
    213216   <field id="CMIP6_siconc"        field_ref="iceconc_pct"           /> <!-- P1 (%) sea_ice_area_fraction : Area fraction of grid cell covered by sea ice --> 
    214    <field id="CMIP6_siconco"       field_ref="dummy_XY"         /> <!-- P1 (%) sea_ice_area_fraction : Area fraction of grid cell covered by sea ice --> 
     217   <field id="CMIP6_siconca"       field_ref="dummy_XY"         /> <!-- P1 (%) sea_ice_area_fraction : Area fraction of grid cell covered by sea ice --> 
    215218   <field id="CMIP6_sidconcdyn"    field_ref="afxdyn"       /> <!-- P2 (s-1) tendency_of_sea_ice_area_fraction_due_to_dynamics : Total change in sea-ice area fraction through dynamics-related processes (advection, divergence...) --> 
    216219   <field id="CMIP6_sidconcth"     field_ref="afxthd"        /> <!-- P2 (s-1) tendency_of_sea_ice_area_fraction_due_to_thermodynamics : Total change in sea-ice area fraction through thermodynamic processes --> 
    … …  
    239242   <field id="CMIP6_sifllwdtop"    field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_downwelling_longwave_flux_in_air : the downwelling longwave flux over sea ice (always positive) --> 
    240243   <field id="CMIP6_sifllwutop"    field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_upwelling_longwave_flux_in_air : the upwelling longwave flux over sea ice (always negative) --> 
    241    <field id="CMIP6_siflsaltbot"   field_ref="sfx_mv"      /> <!-- P2 (kg m-2 s-1) siflsaltbot : Total flux of salt from water into sea ice divided by grid-cell area; salt flux is upward (negative) during ice growth when salt is embedded into the ice and downward (positive) during melt when salt from sea ice is again released to the ocean --> 
     244   <field id="NEMO_siflsaltbot"   field_ref="sfx_mv"      /> <!-- P2 (kg m-2 s-1) siflsaltbot : Total flux of salt from water into sea ice divided by grid-cell area; salt flux is upward (negative) during ice growth when salt is embedded into the ice and downward (positive) during melt when salt from sea ice is again released to the ocean --> 
    242245   <field id="CMIP6_siflsenstop"   field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_upward_sensible_heat_flux : the net sensible heat flux over sea ice --> 
    243246   <field id="CMIP6_siflsensupbot" field_ref="hfxsenso"    /> <!-- P2 (W m-2) siflsensupbot : the net sensible heat flux under sea ice from the ocean --> 
    … …  
    296299   <field id="CMIP6_snmassacrossline" field_ref="transport_snmasse_transect"        /> <!-- P2 (kg s-1) snmassacrossline : net (sum of transport in all directions) snow mass transport through the following four passages, positive into the Arctic Ocean 1. Fram Strait = (11.5W,81.3N to (10.5E,79.6N) 2. Canadian Archipelego = (128.2W,70.6N) to (59.3W,82.1N) 3. Barents opening = (16.8E,76.5N) to (19.2E,70.2N) 4. Bering Strait = (171W,66.2N) to (166W,65N) --> 
    297300 
    298  
    299  
    300 <!-- for variables which realm equals one of _ocean_seaIce_ocnBgchem--> 
    301    <field id="CMIP6_arag"          field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water : Sum of particulate aragonite components (e.g. Phytoplankton, Detrital, etc.) --> 
    302    <field id="CMIP6_bacc"          field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_bacteria_expressed_as_carbon_in_sea_water : Sum of bacterial carbon component concentrations --> 
    303    <field id="CMIP6_bddtalk"       field_ref="dummy_XYO"         /> <!-- P1 (mol m-3 s-1) tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent_due_to_biological_processes : Net total of biological terms in time rate of change of alkalinity --> 
    304    <field id="CMIP6_bddtdic"       field_ref="dummy_XYO"         /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_carbon_in_sea_water_due_to_biological_processes : Net total of biological terms in time rate of change of dissolved inorganic carbon --> 
    305    <field id="CMIP6_bddtdife"      field_ref="dummy_XYO"         /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_iron_in_sea_water_due_to_biological_processes : Net total of biological terms in time rate of change of dissolved inorganic iron --> 
    306    <field id="CMIP6_bddtdin"       field_ref="dummy_XYO"         /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_nitrogen_in_sea_water_due_to_biological_processes : Net total of biological terms in time rate of change of nitrogen nutrients (e.g. NO3+NH4) --> 
    307    <field id="CMIP6_bddtdip"       field_ref="dummy_XYO"         /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_phosphorus_in_sea_water_due_to_biological_processes : Net of biological terms in time rate of change of dissolved phosphate --> 
    308    <field id="CMIP6_bddtdisi"      field_ref="dummy_XYO"         /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_silicate_in_sea_water_due_to_biological_processes : Net of biological terms in time rate of change of dissolved inorganic silicon --> 
    309    <field id="CMIP6_bfe"           field_ref="BFe_E3T"     expr="@BFe_E3T / @e3t * 1e-3 + @SFe_E3T / @e3t * 1e-3" > BFe_E3T / e3t * 1e-3 + SFe_E3T / e3t * 1e-3  </field>  <!-- P1 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_iron_in_sea_water : Sum of particulate organic iron component concentrations --> 
    310    <field id="CMIP6_bfeos"         field_ref="BFeSFC_E3T"  expr="@BFeSFC_E3T / @E3TSFC * 1e-3 + @SFeSFC_E3T / @E3TSFC * 1e-3" > BFeSFC_E3T / E3TSFC * 1e-3 + SFeSFC_E3T / E3TSFC * 1e-3  </field> <!-- P3 (mol m-3) bfeos : sum of particulate organic iron component concentrations --> 
    311    <field id="CMIP6_bsi"           field_ref="GSi_E3T"     expr="@GSi_E3T / @e3t * 1e-3"  >   GSi_E3T / e3t * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_particulate_matter_expressed_as_silicon_in_sea_water : Sum of particulate silica component concentrations --> 
    312    <field id="CMIP6_bsios"         field_ref="GSiSFC_E3T"  expr="@GSiSFC_E3T / @E3TSFC * 1e-3"  >  GSiSFC_E3T / E3TSFC * 1e-3 </field> <!-- P3 (mol m-3) bsios : sum of particulate silica component concentrations --> 
    313    <field id="CMIP6_calc"          field_ref="CaCO3_E3T"   expr="@CaCO3_E3T / @e3t * 1e-3" >  CaCO3_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_calcite_expressed_as_carbon_in_sea_water : Sum of particulate calcite component concentrations (e.g. Phytoplankton, Detrital, etc.) --> 
    314    <field id="CMIP6_chl"           field_ref="NCHL_E3T"    expr="@NCHL_E3T / @e3t * 1e-3 + @DCHL_E3T / @e3t * 1e-3" > NCHL_E3T / e3t * 1e-3 + DCHL_E3T / e3t * 1e-3 </field>  <!-- P1 (kg m-3) mass_concentration_of_phytoplankton_expressed_as_chlorophyll_in_sea_water : Sum of chlorophyll from all phytoplankton group concentrations.  In most models this is equal to chldiat+chlmisc, that is the sum of Diatom Chlorophyll Mass Concentration and Other Phytoplankton Chlorophyll Mass Concentration --> 
     301<!-- for variables which realm equals one of _ocnBgchem--> 
     302   <field id="CMIP6_arag"          field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water : sum of particulate aragonite components (e.g. Phytoplankton, Detrital, etc.) --> 
     303   <field id="CMIP6_aragos"        field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water : sum of particulate aragonite components (e.g. Phytoplankton, Detrital, etc.) --> 
     304   <field id="CMIP6_bacc"          field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_bacteria_expressed_as_carbon_in_sea_water : sum of bacterial carbon component concentrations --> 
     305   <field id="CMIP6_baccos"        field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_bacteria_expressed_as_carbon_in_sea_water : sum of bacterial carbon component concentrations --> 
     306   <field id="CMIP6_bddtalk"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent_due_to_biological_processes : Net of biological terms in time rate of change of alkalinity --> 
     307   <field id="CMIP6_bddtdic"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_carbon_in_sea_water_due_to_biological_processes : Net of biological terms in time rate of change of dissolved inorganic carbon --> 
     308   <field id="CMIP6_bddtdife"      field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_iron_in_sea_water_due_to_biological_processes : Net of biological terms in time rate of change of dissolved inorganic iron --> 
     309   <field id="CMIP6_bddtdin"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_nitrogen_in_sea_water_due_to_biological_processes : Net of biological terms in time rate of change of nitrogen nutrients (e.g. NO3+NH4) --> 
     310   <field id="CMIP6_bddtdip"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_phosphorus_in_sea_water_due_to_biological_processes : Net of biological terms in time rate of change of dissolved phosphorus --> 
     311   <field id="CMIP6_bddtdisi"      field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_inorganic_silicon_in_sea_water_due_to_biological_processes : Net of biological terms in time rate of change of dissolved inorganic silicon --> 
     312   <field id="CMIP6_bfe"           field_ref="BFe_E3T"     expr="@BFe_E3T / @e3t * 1e-3 + @SFe_E3T / @e3t * 1e-3" > BFe_E3T / e3t * 1e-3 + SFe_E3T / e3t * 1e-3  </field>  <!-- P2 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_iron_in_sea_water : sum of particulate organic iron component concentrations --> 
     313   <field id="CMIP6_bfeos"         field_ref="BFeSFC_E3T"  expr="@BFeSFC_E3T / @E3TSFC * 1e-3 + @SFeSFC_E3T / @E3TSFC * 1e-3" > BFeSFC_E3T / E3TSFC * 1e-3 + SFeSFC_E3T / E3TSFC * 1e-3  </field> <!-- P2 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_iron_in_sea_water : sum of particulate organic iron component concentrations --> 
     314   <field id="CMIP6_bsi"           field_ref="GSi_E3T"     expr="@GSi_E3T / @e3t * 1e-3"  >   GSi_E3T / e3t * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_particulate_matter_expressed_as_silicon_in_sea_water : sum of particulate silica component concentrations --> 
     315   <field id="CMIP6_bsios"         field_ref="GSiSFC_E3T"  expr="@GSiSFC_E3T / @E3TSFC * 1e-3"  >  GSiSFC_E3T / E3TSFC * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_silicon_in_sea_water : sum of particulate silica component concentrations --> 
     316   <field id="CMIP6_calc"          field_ref="CaCO3_E3T"   expr="@CaCO3_E3T / @e3t * 1e-3" >  CaCO3_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_calcite_expressed_as_carbon_in_sea_water : sum of particulate calcite component concentrations (e.g. Phytoplankton, Detrital, etc.) --> 
     317   <field id="CMIP6_calcos"        field_ref="CaCO3SFC_E3T"   expr="@CaCO3SFC_E3T / @E3TSFC * 1e-3"  >  CaCO3SFC_E3T / E3TSFC * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_calcite_expressed_as_carbon_in_sea_water : sum of particulate calcite component concentrations (e.g. Phytoplankton, Detrital, etc.) --> 
     318   <field id="CMIP6_chl"           field_ref="NCHL_E3T"    expr="@NCHL_E3T / @e3t * 1e-3 + @DCHL_E3T / @e3t * 1e-3" > NCHL_E3T / e3t * 1e-3 + DCHL_E3T / e3t * 1e-3 </field> <!-- P1 (kg m-3) mass_concentration_of_phytoplankton_expressed_as_chlorophyll_in_sea_water : sum of chlorophyll from all phytoplankton group concentrations.  In most models this is equal to chldiat+chlmisc, that is the sum of "Diatom Chlorophyll Mass Concentration" plus "Other Phytoplankton Chlorophyll Mass Concentration" --> 
    315319   <field id="CMIP6_chlcalc"       field_ref="dummy_XYO"        /> <!-- P2 (kg m-3) mass_concentration_of_calcareous_phytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the calcite-producing phytoplankton component alone --> 
    316    <field id="CMIP6_chlcalcos"     field_ref="dummy_XY"        /> <!-- P3 (kg m-3) mass_concentration_of_calcareous_phytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the calcite-producing phytoplankton component alone --> 
    317    <field id="CMIP6_chldiat"       field_ref="DCHL_E3T"  expr="@DCHL_E3T / @e3t * 1e-3" > DCHL_E3T / e3t * 1e-3  </field> <!-- P1 (kg m-3) mass_concentration_of_diatoms_expressed_as_chlorophyll_in_sea_water : Chlorophyll from diatom phytoplankton component concentration alone --> 
    318    <field id="CMIP6_chldiatos"     field_ref="DCHLSFC_E3T" expr="@DCHLSFC_E3T / @E3TSFC * 1e-3" >  DCHLSFC_E3T / E3TSFC * 1e-3 </field> <!-- P3 (kg m-3) mass_concentration_of_diatoms_expressed_as_chlorophyll_in_sea_water : chlorophyll from diatom phytoplankton component concentration alone --> 
    319    <field id="CMIP6_chldiaz"       field_ref="dummy_XYO"        /> <!-- P2 (kg m-3) mass_concentration_of_diazotrophs_expressed_as_chlorophyll_in_sea_water : Chlorophyll concentration from the diazotrophic phytoplankton component alone --> 
    320    <field id="CMIP6_chldiazos"     field_ref="dummy_XY"        /> <!-- P3 (kg m-3) mass_concentration_of_diazotrophs_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the diazotrophic phytoplankton component alone --> 
    321    <field id="CMIP6_chlmisc"       field_ref="NCHL_E3T"  expr="@NCHL_E3T / @e3t * 1e-3" > NCHL_E3T / e3t * 1e-3 </field> <!-- P1 (kg m-3) mass_concentration_of_miscellaneous_phytoplankton_expressed_as_chlorophyll_in_sea_water : Chlorophyll from additional phytoplankton component concentrations alone --> 
    322    <field id="CMIP6_chlmiscos"     field_ref="NCHLSFC_E3T" expr="@NCHLSFC_E3T / @E3TSFC * 1e-3" > NCHLSFC_E3T / E3TSFC * 1e-3 </field> <!-- P3 (kg m-3) mass_concentration_of_miscellaneous_phytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll from additional phytoplankton component concentrations alone --> 
    323    <field id="CMIP6_chlos"         field_ref="NCHLSFC_E3T"  expr="@NCHLSFC_E3T / @E3TSFC * 1e-3 + @DCHLSFC_E3T / @E3TSFC * 1e-3" > NCHLSFC_E3T / E3TSFC * 1e-3 + DCHLSFC_E3T / E3TSFC * 1e-3 </field>  <!-- P1 (kg m-3) mass_concentration_of_phytoplankton_expressed_as_chlorophyll_in_sea_water : Sum of chlorophyll from all phytoplankton group concentrations at the sea surface.  In most models this is equal to chldiat+chlmisc, that is the sum of 'Diatom Chlorophyll Mass Concentration' plus 'Other Phytoplankton Chlorophyll Mass Concentration' --> 
    324    <field id="CMIP6_chlpico"       field_ref="dummy_XYO"        /> <!-- P1 (kg m-3) mass_concentration_of_picophytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the picophytoplankton (<2 um) component alone --> 
    325    <field id="CMIP6_chlpicoos"     field_ref="dummy_XY"        /> <!-- P3 (kg m-3) mass_concentration_of_picophytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the picophytoplankton (<2 um) component alone --> 
    326    <field id="CMIP6_co3"           field_ref="CO3"              /> <!-- P2 (mol m-3) mole_concentration_of_carbonate_expressed_as_carbon_in_sea_water : Carbonate Ion Concentration --> 
    327    <field id="CMIP6_co3abio"       field_ref="dummy_XYO"         /> <!-- P2 (mol m-3) co3abio : Abiotic Carbonate ion Concentration --> 
    328    <field id="CMIP6_co3nat"        field_ref="dummy_XYO"         /> <!-- P2 (mol m-3) co3nat : Natural Carbonate ion Concentration --> 
    329    <field id="CMIP6_co3satarag"    field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water_at_saturation : Mole Concentration of Carbonate ion for Seawater in equilibrium with pure Aragonite --> 
    330    <field id="CMIP6_co3satcalc"    field_ref="CO3sat"           /> <!-- P1 (mol m-3) mole_concentration_of_calcite_expressed_as_carbon_in_sea_water_at_saturation : Mole Concentration of Carbonate ion for Seawater in equilibrium with pure Calcite --> 
     320   <field id="CMIP6_chlcalcos"     field_ref="dummy_XY"         /> <!-- P2 (kg m-3) mass_concentration_of_calcareous_phytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the calcite-producing phytoplankton component alone --> 
     321   <field id="CMIP6_chldiat"       field_ref="DCHL_E3T"  expr="@DCHL_E3T / @e3t * 1e-3" > DCHL_E3T / e3t * 1e-3  </field> <!-- P2 (kg m-3) mass_concentration_of_diatoms_expressed_as_chlorophyll_in_sea_water : chlorophyll from diatom phytoplankton component concentration alone --> 
     322   <field id="CMIP6_chldiatos"     field_ref="DCHLSFC_E3T" expr="@DCHLSFC_E3T / @E3TSFC * 1e-3" >  DCHLSFC_E3T / E3TSFC * 1e-3 </field> <!-- P2 (kg m-3) mass_concentration_of_diatoms_expressed_as_chlorophyll_in_sea_water : chlorophyll from diatom phytoplankton component concentration alone --> 
     323   <field id="CMIP6_chldiaz"       field_ref="dummy_XYO"        /> <!-- P2 (kg m-3) mass_concentration_of_diazotrophs_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the diazotrophic phytoplankton component alone --> 
     324   <field id="CMIP6_chldiazos"     field_ref="dummy_XY"         /> <!-- P2 (kg m-3) mass_concentration_of_diazotrophs_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the diazotrophic phytoplankton component alone --> 
     325   <field id="CMIP6_chlmisc"       field_ref="NCHL_E3T"  expr="@NCHL_E3T / @e3t * 1e-3" > NCHL_E3T / e3t * 1e-3 </field>  <!-- P2 (kg m-3) mass_concentration_of_miscellaneous_phytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll from additional phytoplankton component concentrations alone --> 
     326   <field id="CMIP6_chlmiscos"     field_ref="NCHLSFC_E3T" expr="@NCHLSFC_E3T / @E3TSFC * 1e-3" > NCHLSFC_E3T / E3TSFC * 1e-3 </field>  <!-- P2 (kg m-3) mass_concentration_of_miscellaneous_phytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll from additional phytoplankton component concentrations alone --> 
     327   <field id="CMIP6_chlos"         field_ref="NCHLSFC_E3T"  expr="@NCHLSFC_E3T / @E3TSFC * 1e-3 + @DCHLSFC_E3T / @E3TSFC * 1e-3" > NCHLSFC_E3T / E3TSFC * 1e-3 + DCHLSFC_E3T / E3TSFC * 1e-3 </field>  <!-- P1 (kg m-3) mass_concentration_of_phytoplankton_expressed_as_chlorophyll_in_sea_water : sum of chlorophyll from all phytoplankton group concentrations.  In most models this is equal to chldiat+chlmisc, that is the sum of "Diatom Chlorophyll Mass Concentration" plus "Other Phytoplankton Chlorophyll Mass Concentration" --> 
     328   <field id="CMIP6_chlpico"       field_ref="dummy_XYO"        /> <!-- P2 (kg m-3) mass_concentration_of_picophytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the picophytoplankton (<2 um) component alone --> 
     329   <field id="CMIP6_chlpicoos"     field_ref="dummy_XY"         /> <!-- P2 (kg m-3) mass_concentration_of_picophytoplankton_expressed_as_chlorophyll_in_sea_water : chlorophyll concentration from the picophytoplankton (<2 um) component alone --> 
     330   <field id="CMIP6_co3"           field_ref="CO3"        /> <!-- P1 (mol m-3) mole_concentration_of_carbonate_expressed_as_carbon_in_sea_water : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with a charge of minus two. --> 
     331   <field id="CMIP6_co3abio"       field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_carbonate_abiotic_analogue_expressed_as_carbon_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". In ocean biogeochemistry models, an "abiotic analogue" is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with an electrical charge of minus two. --> 
     332   <field id="CMIP6_co3abioos"     field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_carbonate_abiotic_analogue_expressed_as_carbon_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". In ocean biogeochemistry models, an "abiotic analogue" is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with an electrical charge of minus two. --> 
     333   <field id="CMIP6_co3nat"        field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_carbonate_natural_analogue_expressed_as_carbon_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". In ocean biogeochemistry models, a "natural analogue" is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with an electrical charge of minus two. --> 
     334   <field id="CMIP6_co3natos"      field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_carbonate_natural_analogue_expressed_as_carbon_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". In ocean biogeochemistry models, a "natural analogue" is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with an electrical charge of minus two. --> 
     335   <field id="CMIP6_co3os"         field_ref="CO3SFC"         /> <!-- P2 (mol m-3) mole_concentration_of_carbonate_expressed_as_carbon_in_sea_water : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with a charge of minus two. --> 
     336   <field id="CMIP6_co3satarag"    field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_carbonate_expressed_as_carbon_at_equilibrium_with_pure_aragonite_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with an electrical charge of minus two. Aragonite is a mineral that is a polymorph of calcium carbonate. The chemical formula of aragonite is CaCO3. At a given salinity, the thermodynamic equilibrium is that between dissolved carbonate ion and solid aragonite. Standard names also exist for calcite, another polymorph of calcium carbonate. --> 
     337   <field id="CMIP6_co3sataragos"  field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_carbonate_expressed_as_carbon_at_equilibrium_with_pure_aragonite_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with an electrical charge of minus two. Aragonite is a mineral that is a polymorph of calcium carbonate. The chemical formula of aragonite is CaCO3. At a given salinity, the thermodynamic equilibrium is that between dissolved carbonate ion and solid aragonite. Standard names also exist for calcite, another polymorph of calcium carbonate. --> 
     338   <field id="CMIP6_co3satcalc"    field_ref="CO3sat"        /> <!-- P1 (mol m-3) mole_concentration_of_carbonate_expressed_as_carbon_at_equilibrium_with_pure_calcite_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with an electrical charge of minus two. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. At a given salinity, the thermodynamic equilibrium is that between dissolved carbonate ion and solid calcite. Standard names also exist for aragonite, another polymorph of calcium carbonate. --> 
     339   <field id="CMIP6_co3satcalcos"  field_ref="CO3satSFC"         /> <!-- P2 (mol m-3) mole_concentration_of_carbonate_expressed_as_carbon_at_equilibrium_with_pure_calcite_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The chemical formula of the carbonate anion is CO3 with an electrical charge of minus two. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. At a given salinity, the thermodynamic equilibrium is that between dissolved carbonate ion and solid calcite. Standard names also exist for aragonite, another polymorph of calcium carbonate. --> 
    331340   <field id="CMIP6_darag"         field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water_due_to_dissolution : Rate of change of Aragonite carbon mole concentration  due to dissolution --> 
    332    <field id="CMIP6_dcalc"         field_ref="PCAL"             /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_calcite_expressed_as_carbon_in_sea_water_due_to_dissolution : Rate of change of Calcite carbon mole concentration  due to dissolution --> 
    333    <field id="CMIP6_detoc"         field_ref="POC_E3T"  expr="@POC_E3T / @e3t * 1e-3 + @GOC_E3T / @e3t * 1e-3" >  POC_E3T / e3t * 1e-3 + GOC_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_organic_detritus_expressed_as_carbon_in_sea_water : Sum of detrital organic carbon component concentrations --> 
    334    <field id="CMIP6_dfe"           field_ref="Fer_E3T"  expr="@Fer_E3T / @e3t * 1e-3" >  Fer_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_dissolved_iron_in_sea_water : Dissolved iron in sea water,  including both Fe2+ and Fe3+ ions (but not particulate detrital iron) --> 
    335    <field id="CMIP6_dfeos"         field_ref="FerSFC_E3T" expr="@FerSFC_E3T / @E3TSFC * 1e-3" >  FerSFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) dfeos : dissolved iron in sea water is meant to include both Fe2+ and Fe3+ ions (but not, e.g., particulate detrital iron) --> 
    336    <field id="CMIP6_dissi13c"      field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) dissi13c : Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration --> 
    337    <field id="CMIP6_dissi13cos"    field_ref="dummy_XY"        /> <!-- P1 (mol m-3) dissi13cos : Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration --> 
    338    <field id="CMIP6_dissi14c"      field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_dissolved_inorganic_c14_in_sea_water : Concentration of DI14C --> 
    339    <field id="CMIP6_dissi14cabio"  field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) dissi14cabio : Abiotic Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration --> 
    340    <field id="CMIP6_dissi14cabioos" field_ref="dummy_XY"       /> <!-- P1 (mol m-3) dissi14cabioos : Abiotic Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration --> 
     341   <field id="CMIP6_dcalc"         field_ref="DCAL"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_calcite_expressed_as_carbon_in_sea_water_due_to_dissolution : Rate of change of Calcite carbon mole concentration  due to dissolution --> 
     342   <field id="CMIP6_detoc"         field_ref="POC_E3T"  expr="@POC_E3T / @e3t * 1e-3 + @GOC_E3T / @e3t * 1e-3" >  POC_E3T / e3t * 1e-3 + GOC_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_organic_detritus_expressed_as_carbon_in_sea_water : sum of detrital organic carbon component concentrations --> 
     343   <field id="CMIP6_detocos"       field_ref="POCSFC_E3T"  expr="@POCSFC_E3T / @E3TSFC * 1e-3 + @GOCSFC_E3T / @E3TSFC * 1e-3" >  POCSFC_E3T / E3TSFC * 1e-3 + GOCSFC_E3T / E3TSFC * 1e-3 </field>  <!-- P2 (mol m-3) mole_concentration_of_organic_detritus_expressed_as_carbon_in_sea_water : sum of detrital organic carbon component concentrations --> 
     344   <field id="CMIP6_dfe"           field_ref="Fer_E3T"  expr="@Fer_E3T / @e3t * 1e-3" >  Fer_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_dissolved_iron_in_sea_water : dissolved iron in sea water is meant to include both Fe2+ and Fe3+ ions (but not, e.g., particulate detrital iron) --> 
     345   <field id="CMIP6_dfeos"         field_ref="FerSFC_E3T" expr="@FerSFC_E3T / @E3TSFC * 1e-3" >  FerSFC_E3T / E3TSFC * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_dissolved_iron_in_sea_water : dissolved iron in sea water is meant to include both Fe2+ and Fe3+ ions (but not, e.g., particulate detrital iron) --> 
     346   <field id="CMIP6_dissi13c"      field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_13C_in_sea_water : Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration --> 
     347   <field id="CMIP6_dissi13cos"    field_ref="dummy_XY"         /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_13C_in_sea_water : Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration --> 
     348   <field id="CMIP6_dissi14c"      field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_dissolved_inorganic_14C_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". "Dissolved inorganic carbon" describes a family of chemical species in solution, including carbon dioxide, carbonic acid and the carbonate and bicarbonate anions. "Dissolved inorganic carbon" is the term used in standard names for all species belonging to the family that are represented within a given model. The list of individual species that are included in a quantity having a group chemical standard name can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute. "C" means the element carbon and "14C" is the radioactive isotope "carbon-14", having six protons and eight neutrons and used in radiocarbon dating. --> 
     349   <field id="CMIP6_dissi14cabio"  field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_14C_in_sea_water : Abiotic Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration --> 
     350   <field id="CMIP6_dissi14cabioos" field_ref="dummy_XY"         /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_14C_in_sea_water : Abiotic Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration --> 
    341351   <field id="CMIP6_dissic"        field_ref="DIC_E3T"  expr="@DIC_E3T / @e3t * 1e-3" > DIC_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_carbon_in_sea_water : Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration --> 
    342    <field id="CMIP6_dissicabio"    field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) dissicabio : Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration --> 
    343    <field id="CMIP6_dissicabioos"  field_ref="dummy_XY"        /> <!-- P1 (mol m-3) dissicabioos : Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration --> 
    344    <field id="CMIP6_dissicnat"     field_ref="dummy_XYO"         /> <!-- P1 (mol m-3) dissicnat : Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2 --> 
    345    <field id="CMIP6_dissicnatos"   field_ref="dummy_XY"         /> <!-- P1 (mol m-3) dissicnatos : Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2 --> 
    346    <field id="CMIP6_dissicos"      field_ref="DICSFC_E3T"  expr="@DICSFC_E3T / @E3TSFC * 1e-3" >  DICSFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) dissicos : Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration --> 
    347    <field id="CMIP6_dissoc"        field_ref="DOC_E3T"     expr="@DOC_E3T / @e3t * 1e-3" >  DOC_E3T / e3t * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_dissolved_organic_carbon_in_sea_water : Sum of dissolved carbon component concentrations explicitly represented (i.e. not ~40 uM refractory unless explicit) --> 
    348    <field id="CMIP6_dmso"          field_ref="dummy_XYO" />  <!-- P1 (mol m-3) mole_concentration_of_dimethyl_sulfide_in_sea_water : Mole concentration of dimethyl sulphide in water --> 
    349    <field id="CMIP6_dmsos"         field_ref="dummy_XY" />   <!-- P3 (mol m-3) dmsos : Surface Mole Concentration of Dimethyl Sulphide in sea water --> 
    350    <field id="CMIP6_dpco2"         field_ref="Dpco2"  > this * 0.101325  </field> <!-- P1 (Pa) surface_carbon_dioxide_partial_pressure_difference_between_sea_water_and_air : Delta PCO2 --> 
    351    <field id="CMIP6_dpco2abio"     field_ref="dummy_XY"        /> <!-- P3 (Pa) dpco2abio : Abiotic Delta PCO2 --> 
    352    <field id="CMIP6_dpco2nat"      field_ref="dummy_XY"        /> <!-- P3 (Pa) dpco2nat : Natural Delta PCO2 --> 
    353    <field id="CMIP6_dpo2"          field_ref="Dpo2"   > this * 0.101325 </field> <!-- P3 (Pa) surface_molecular_oxygen_partial_pressure_difference_between_sea_water_and_air : Delta PO2 --> 
    354    <field id="CMIP6_dpocdtcalc"    field_ref="dummy_XYO"        /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_calcareous_phytoplankton : Primary (organic carbon) production by the calcite-producing phytoplankton component alone --> 
    355    <field id="CMIP6_dpocdtdiaz"    field_ref="dummy_XYO"        /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_diazotrophs : Primary (organic carbon) production by the diazotrophic phytoplankton component alone --> 
    356    <field id="CMIP6_dpocdtpico"    field_ref="dummy_XYO"        /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_picophytoplankton : Primary (organic carbon) production by the picophytoplankton (<2 um) component alone --> 
    357    <field id="CMIP6_eparag100"     field_ref="dummy_XY"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_aragonite_expressed_as_carbon_in_sea_water : Downward Flux of Aragonite --> 
    358    <field id="CMIP6_epc100"        field_ref="EPC100"           /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_matter_expressed_as_carbon_in_sea_water : Downward Flux of Particle Organic Carbon --> 
    359    <field id="CMIP6_epcalc100"     field_ref="EPCAL100"         /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_calcite_expressed_as_carbon_in_sea_water : Downward Flux of Calcite --> 
    360    <field id="CMIP6_epfe100"       field_ref="EPFE100"          /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_iron_in_sea_water : Downward Flux of Particulate Iron --> 
    361    <field id="CMIP6_epn100"        field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) epn100 : Downward Flux of Particulate Nitrogen --> 
    362    <field id="CMIP6_epp100"        field_ref="dummy_XY"        /> <!-- P1 (mol m-2 s-1) epp100 : Downward Flux of Particulate Phosphorus --> 
    363    <field id="CMIP6_epsi100"       field_ref="EPSI100"          /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_silicon_in_sea_water : Downward Flux of Particulate Silica --> 
     352   <field id="CMIP6_dissicabio"    field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_carbon_abiotic_analogue_in_sea_water : Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration --> 
     353   <field id="CMIP6_dissicabioos"  field_ref="dummy_XY"         /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_carbon_abiotic_analogue_in_sea_water : Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration --> 
     354   <field id="CMIP6_dissicnat"     field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_carbon_natural_analogue_in_sea_water : Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2 --> 
     355   <field id="CMIP6_dissicnatos"   field_ref="dummy_XY"         /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_carbon_natural_analogue_in_sea_water : Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2 --> 
     356   <field id="CMIP6_dissicos"      field_ref="DICSFC_E3T"  expr="@DICSFC_E3T / @E3TSFC * 1e-3" >  DICSFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_carbon_in_sea_water : Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration --> 
     357   <field id="CMIP6_dissoc"        field_ref="DOC_E3T"     expr="@DOC_E3T / @e3t * 1e-3" >  DOC_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_dissolved_organic_carbon_in_sea_water : Sum of dissolved carbon component concentrations explicitly represented (i.e. not ~40 uM refractory unless explicit) --> 
     358   <field id="CMIP6_dissocos"        field_ref="DOCSFC_E3T"     expr="@DOCSFC_E3T / @E3TSFC * 1e-3" >  DOCSFC_E3T / E3TSFC * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_dissolved_organic_carbon_in_sea_water : Sum of dissolved carbon component concentrations explicitly represented (i.e. not ~40 uM refractory unless explicit) --> 
     359   <field id="CMIP6_dmso"          field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_dimethyl_sulfide_in_sea_water : Mole concentration of dimethyl sulphide in water --> 
     360   <field id="CMIP6_dmsos"         field_ref="dummy_XY"         /> <!-- P3 (mol m-3) mole_concentration_of_dimethyl_sulfide_in_sea_water : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for dimethyl sulfide is (CH3)2S.  Dimethyl sulfide is sometimes referred to as DMS. --> 
     361   <field id="CMIP6_dpco2"         field_ref="Dpco2"  > this * 0.101325  </field> <!-- P1 (Pa) surface_carbon_dioxide_partial_pressure_difference_between_sea_water_and_air : The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium.  The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume.  The surface called "surface" means the lower boundary of the atmosphere.  The chemical formula for carbon dioxide is CO2. --> 
     362   <field id="CMIP6_dpco2abio"     field_ref="dummy_XY"         /> <!-- P3 (Pa) surface_carbon_dioxide_abiotic_analogue_partial_pressure_difference_between_sea_water_and_air : The surface called "surface" means the lower boundary of the atmosphere. The chemical formula for carbon dioxide is CO2. In ocean biogeochemistry models, an "abiotic analogue" is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure difference between sea water and air is positive when the partial pressure of the dissolved gas in sea water is greater than the partial pressure in air. --> 
     363   <field id="CMIP6_dpco2nat"      field_ref="dummy_XY"         /> <!-- P3 (Pa) surface_carbon_dioxide_natural_analogue_partial_pressure_difference_between_sea_water_and_air : The surface called "surface" means the lower boundary of the atmosphere. The chemical formula for carbon dioxide is CO2. In ocean biogeochemistry models, a "natural analogue" is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure difference between sea water and air is positive when the partial pressure of the dissolved gas in sea water is greater than the partial pressure in air. --> 
     364   <field id="CMIP6_dpo2"          field_ref="Dpo2"   > this * 0.101325 </field> <!-- P3 (Pa) surface_molecular_oxygen_partial_pressure_difference_between_sea_water_and_air : The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium.  The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume.  The surface called "surface" means the lower boundary of the atmosphere. --> 
     365   <field id="CMIP6_eparag100"     field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_aragonite_expressed_as_carbon_in_sea_water : The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. Aragonite is a mineral that is a polymorph of calcium carbonate. The chemical formula of aragonite is CaCO3. Standard names also exist for calcite, another polymorph of calcium carbonate. --> 
     366   <field id="CMIP6_epc100"        field_ref="EPC100"         /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_matter_expressed_as_carbon_in_sea_water : The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
     367   <field id="CMIP6_epcalc100"     field_ref="EPCAL100"         /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_calcite_expressed_as_carbon_in_sea_water : The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Standard names also exist for aragonite, another polymorph of calcium carbonate. --> 
     368   <field id="CMIP6_epfe100"       field_ref="EPFE100"         /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_iron_in_sea_water : In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
     369   <field id="CMIP6_epn100"        field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_nitrogen_in_sea_water : In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
     370   <field id="CMIP6_epp100"        field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_phosphorus_in_sea_water : In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
     371   <field id="CMIP6_epsi100"       field_ref="EPSI100"         /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_silicon_in_sea_water : In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
    364372   <field id="CMIP6_exparag"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_aragonite_expressed_as_carbon_in_sea_water : Downward flux of Aragonite --> 
    365    <field id="CMIP6_expc"          field_ref="EXPC"             /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_matter_expressed_as_carbon_in_sea_water : Downward flux of particulate organic carbon --> 
    366    <field id="CMIP6_expcalc"       field_ref="EXPCAL"           /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_calcite_expressed_as_carbon_in_sea_water : Downward flux of Calcite --> 
    367    <field id="CMIP6_expfe"         field_ref="EXPFE"            /> <!-- P2 (mol m-2 s-1) sinking_mole_flux_of_particulate_iron_in_sea_water : Sinking Particulate Iron Flux --> 
    368    <field id="CMIP6_expn"          field_ref="dummy_XYO"            /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_nitrogen_in_sea_water : Sinking Particulate Organic Nitrogen Flux --> 
    369    <field id="CMIP6_expp"          field_ref="dummy_XYO"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_phosphorus_in_sea_water : Sinking Particulate Organic Phosphorus Flux --> 
    370    <field id="CMIP6_expsi"         field_ref="EXPSI"            /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_silicon_in_sea_water : Sinking Particulate Silica Flux --> 
    371    <field id="CMIP6_fbddtalk"      field_ref="INTdtAlk"      /> <!-- P3 (mol m-2 s-1) integral_wrt_depth_of_tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent_due_to_biological_processes : vertical integral of net biological terms in time rate of change of alkalinity --> 
    372    <field id="CMIP6_fbddtdic"      field_ref="INTdtDIC"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_carbon_due_to_biological_processes : vertical integral of net biological terms in time rate of change of dissolved inorganic carbon --> 
    373    <field id="CMIP6_fbddtdife"     field_ref="INTdtFer"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_iron_due_to_biological_processes : vertical integral of net biological terms in time rate of change of dissolved inorganic iron --> 
    374    <field id="CMIP6_fbddtdin"      field_ref="INTdtDIN"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_nitrogen_due_to_biological_processes : vertical integral of net biological terms in time rate of change of nitrogen nutrients (e.g. NO3+NH4) --> 
    375    <field id="CMIP6_fbddtdip"      field_ref="INTdtDIP"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_phosphorus_due_to_biological_processes : vertical integral of net biological terms in time rate of change of phosphate --> 
    376    <field id="CMIP6_fbddtdisi"     field_ref="INTdtSil"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_silicon_due_to_biological_processes : vertical integral of net biological terms in time rate of change of dissolved inorganic silicate --> 
    377    <field id="CMIP6_fddtalk"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-2 s-1) integral_wrt_depth_of_tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent : vertical integral of net time rate of change of alkalinity --> 
    378    <field id="CMIP6_fddtdic"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_carbon : Rate of Change of Net Dissolved Inorganic Carbon --> 
    379    <field id="CMIP6_fddtdife"      field_ref="dummy_XYO"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_iron : vertical integral of net time rate of change of dissolved inorganic iron --> 
    380    <field id="CMIP6_fddtdin"       field_ref="dummy_XYO"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_nitrogen : Net time rate of change of nitrogen nutrients (e.g. NO3+NH4) --> 
    381    <field id="CMIP6_fddtdip"       field_ref="dummy_XYO"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_phosphorus : vertical integral of net  time rate of change of phosphate --> 
    382    <field id="CMIP6_fddtdisi"      field_ref="dummy_XYO"        /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_silicon : vertical integral of net time rate of change of dissolved inorganic silicate --> 
     373   <field id="CMIP6_expc"          field_ref="EXPC"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_matter_expressed_as_carbon_in_sea_water : Downward flux of particulate organic carbon --> 
     374   <field id="CMIP6_expcalc"       field_ref="EXPCAL"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_calcite_expressed_as_carbon_in_sea_water : Downward flux of Calcite --> 
     375   <field id="CMIP6_expfe"         field_ref="EXPFE"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_iron_in_sea_water : In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
     376   <field id="CMIP6_expn"          field_ref="dummy_XYO"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_nitrogen_in_sea_water : In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
     377   <field id="CMIP6_expp"          field_ref="dummy_XYO"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_organic_phosphorus_in_sea_water : In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
     378   <field id="CMIP6_expsi"         field_ref="EXPSI"        /> <!-- P1 (mol m-2 s-1) sinking_mole_flux_of_particulate_silicon_in_sea_water : In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid. --> 
     379   <field id="CMIP6_fbddtalk"      field_ref="INTdtAlk"         /> <!-- P3 (mol m-2 s-1) integral_wrt_depth_of_tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent_due_to_biological_processes : vertical integral of net biological terms in time rate of change of alkalinity --> 
     380   <field id="CMIP6_fbddtdic"      field_ref="INTdtDIC"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_carbon_due_to_biological_processes : vertical integral of net biological terms in time rate of change of dissolved inorganic carbon --> 
     381   <field id="CMIP6_fbddtdife"     field_ref="INTdtFer"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_iron_due_to_biological_processes : vertical integral of net biological terms in time rate of change of dissolved inorganic iron --> 
     382   <field id="CMIP6_fbddtdin"      field_ref="INTdtDIN"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_nitrogen_due_to_biological_processes : vertical integral of net biological terms in time rate of change of nitrogen nutrients (e.g. NO3+NH4) --> 
     383   <field id="CMIP6_fbddtdip"      field_ref="INTdtDIP"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_phosphorus_due_to_biological_processes : vertical integral of net biological terms in time rate of change of phosphorus --> 
     384   <field id="CMIP6_fbddtdisi"     field_ref="INTdtSil"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_silicon_due_to_biological_processes : vertical integral of net biological terms in time rate of change of dissolved inorganic silicon --> 
     385   <field id="CMIP6_fddtalk"       field_ref="dummy_XYO"        /> <!-- P2 (mol m-2 s-1) integral_wrt_depth_of_tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent : vertical integral of net time rate of change of total alkalinity --> 
     386   <field id="CMIP6_fddtdic"       field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_carbon : "Content" indicates a quantity per unit area.  "tendency_of_X" means derivative of X with respect to time. "Dissolved inorganic carbon" describes a family of chemical species in solution, including carbon dioxide, carbonic acid and the carbonate and bicarbonate anions. "Dissolved inorganic carbon" isthe term used in standard names for all species belonging to the family that are represented within a given model. The list of individual species that are included in a quantity having a group chemical standard name can vary between models.  Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute. --> 
     387   <field id="CMIP6_fddtdife"      field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_iron : vertical integral of net time rate of change of dissolved inorganic iron --> 
     388   <field id="CMIP6_fddtdin"       field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_nitrogen : Net time rate of change of nitrogen nutrients (e.g. NO3+NH4) --> 
     389   <field id="CMIP6_fddtdip"       field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_phosphorus : vertical integral of net  time rate of change of phosphate --> 
     390   <field id="CMIP6_fddtdisi"      field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_dissolved_inorganic_silicon : vertical integral of net time rate of change of dissolved inorganic silicon --> 
    383391   <field id="CMIP6_fediss"        field_ref="dummy_XYO"        /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_iron_in_sea_water_due_to_dissolution_from_inorganic_particles : Dissolution, remineralization and desorption of iron back to the dissolved phase --> 
    384392   <field id="CMIP6_fescav"        field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_dissolved_iron_in_sea_water_due_to_scavenging_by_inorganic_particles : Dissolved Fe removed through nonbiogenic scavenging onto particles --> 
    385    <field id="CMIP6_fg13co2"       field_ref="dummy_XY"        /> <!-- P1 (mol m-2 s-1) fg13co2 : as specified by C4MIP --> 
    386    <field id="CMIP6_fg14co2abio"   field_ref="dummy_XY"        /> <!-- P1 (kg m-2 s-1) fg14co2abio : Gas exchange flux of abiotic 14CO2 (positive into ocean) --> 
    387    <field id="CMIP6_fgco2"         field_ref="Cflx"> this * 12 * 1e-3 </field> <!-- P1 (kg m-2 s-1) surface_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon : Gas exchange flux of CO2 (positive into ocean) --> 
    388    <field id="CMIP6_fgco2abio"     field_ref="dummy_XY"        /> <!-- P1 (kg m-2 s-1) fgco2abio : Gas exchange flux of abiotic CO2 (positive into ocean) --> 
    389    <field id="CMIP6_fgco2nat"      field_ref="dummy_XY"        /> <!-- P1 (kg m-2 s-1) fgco2nat : Gas exchange flux of natural CO2 (positive into ocean) --> 
    390    <field id="CMIP6_fgdms"         field_ref="dummy_XY"           /> <!-- P3 (mol m-2 s-1) surface_upward_mole_flux_of_dimethyl_sulfide : Gas exchange flux of DMS (positive into atmosphere) --> 
    391    <field id="CMIP6_fgo2"          field_ref="Oflx"             /> <!-- P1 (mol m-2 s-1) surface_downward_mole_flux_of_molecular_oxygen : Gas exchange flux of O2 (positive into ocean) --> 
    392    <field id="CMIP6_frfe"          field_ref="dummy_XY"        /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_iron_due_to_sedimentation : Iron Loss to Sediments --> 
    393    <field id="CMIP6_fric"          field_ref="SedCal"           /> <!-- P2 (mol m-2 s-1) fric : Inorganic Carbon loss to sediments --> 
    394    <field id="CMIP6_froc"          field_ref="SedC"             /> <!-- P1 (mol m-2 s-1) froc : Organic Carbon loss to sediments --> 
    395    <field id="CMIP6_fsfe"          field_ref="IronSupply"       /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_iron_due_to_deposition_and_runoff_and_sediment_dissolution : Iron supply through deposition flux onto sea surface, runoff, coasts, sediments, etc --> 
    396    <field id="CMIP6_fsn"           field_ref="NitrSupply"       /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_elemental_nitrogen_due_to_deposition_and_fixation_and_runoff : Surface Downward Net Flux of Nitrogen --> 
    397    <field id="CMIP6_graz"          field_ref="GRAZ1" > this + GRAZ2 </field> <!-- P3 (mol m-3 s-1) graz : Total Grazing of Phytoplankton by Zooplankton --> 
    398    <field id="CMIP6_intdic"        field_ref="INTDIC"           /> <!-- P1 (kg m-2) ocean_mass_content_of_dissolved_inorganic_carbon : Vertically integrated DIC --> 
    399    <field id="CMIP6_intdoc"        field_ref="dummy_XY"           /> <!-- P1 (kg m-2) ocean_mass_content_of_dissolved_organic_carbon : Vertically integrated DOC (explicit pools only) --> 
    400    <field id="CMIP6_intparag"      field_ref="dummy_XY"        /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_aragonite_expressed_as_carbon_due_to_biological_production : Vertically integrated aragonite production --> 
    401    <field id="CMIP6_intpbfe"       field_ref="INTPBFE"          /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_iron_due_to_biological_production : Vertically integrated biogenic iron production --> 
    402    <field id="CMIP6_intpbn"        field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) intpbn : Vertically integrated biogenic nitrogen production --> 
     393   <field id="CMIP6_fg13co2"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_downward_mass_flux_of_13C_dioxide_abiotic_analogue_expressed_as_13C : Gas exchange flux of abiotic 13CO2 (positive into ocean) --> 
     394   <field id="CMIP6_fg14co2"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) surface_downward_mass_flux_of_14C_dioxide_abiotic_analogue_expressed_as_carbon : The surface called "surface" means the lower boundary of the atmosphere. "Downward" indicates a vector component which is positive when directed downward (negative upward). In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. In ocean biogeochemistry models, an "abiotic analogue" is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. "C" means the element carbon and "14C" is the radioactive isotope "carbon-14", having six protons and eight neutrons and used in radiocarbon dating. --> 
     395   <field id="CMIP6_fg14co2abio"   field_ref="dummy_XYO"        /> <!-- P1 (kg m-2 s-1) surface_downward_mass_flux_of_14C_dioxide_abiotic_analogue_expressed_as_carbon : Gas exchange flux of abiotic 14CO2 (positive into ocean) --> 
     396   <field id="CMIP6_fgco2"         field_ref="Cflx" > this * 12 * 1e-3 </field>  <!-- P1 (kg m-2 s-1) surface_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon : Gas exchange flux of CO2 (positive into ocean) --> 
     397   <field id="CMIP6_fgco2abio"     field_ref="dummy_XYO"        /> <!-- P1 (kg m-2 s-1) surface_downward_mass_flux_of_carbon_dioxide_abiotic_analogue_expressed_as_carbon : Gas exchange flux of abiotic CO2 (positive into ocean) --> 
     398   <field id="CMIP6_fgco2nat"      field_ref="dummy_XYO"        /> <!-- P1 (kg m-2 s-1) surface_downward_mass_flux_of_carbon_dioxide_natural_analogue_expressed_as_carbon : Gas exchange flux of natural CO2 (positive into ocean) --> 
     399   <field id="CMIP6_fgdms"         field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) surface_upward_mole_flux_of_dimethyl_sulfide : Gas exchange flux of DMS (positive into atmosphere) --> 
     400   <field id="CMIP6_fgo2"          field_ref="Oflx"         /> <!-- P1 (mol m-2 s-1) surface_downward_mole_flux_of_molecular_oxygen : Gas exchange flux of O2 (positive into ocean) --> 
     401   <field id="CMIP6_frfe"          field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_iron_due_to_sedimentation : "Content" indicates a quantity per unit area.  The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  "tendency_of_X" means derivative of X with respect to time. --> 
     402   <field id="CMIP6_fric"          field_ref="SedCal"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_inorganic_carbon_due_to_sedimentation : Inorganic Carbon loss to sediments --> 
     403   <field id="CMIP6_frn"           field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_elemental_nitrogen_due_to_denitrification_and_sedimentation : "Content" indicates a quantity per unit area.  The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity  named by omitting the phrase. 'Denitrification' is the conversion of nitrate into gasesous compounds such as nitric oxide, nitrous oxide and molecular nitrogen which are then emitted to the atmosphere.  'Sedimentation' is the sinking of particulate matter to the floor of a body of water. "tendency_of_X" means derivative of X with respect to time. --> 
     404   <field id="CMIP6_froc"          field_ref="SedC"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_organic_carbon_due_to_sedimentation : Organic Carbon loss to sediments --> 
     405   <field id="CMIP6_fsfe"          field_ref="IronSupply"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_iron_due_to_deposition_and_runoff_and_sediment_dissolution : Iron supply through deposition flux onto sea surface, runoff, coasts, sediments, etc --> 
     406   <field id="CMIP6_fsn"           field_ref="NitrSupply"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_elemental_nitrogen_due_to_deposition_and_fixation_and_runoff : "Content" indicates a quantity per unit area.  The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity  named by omitting the phrase. Deposition of nitrogen into the ocean is the sum of dry and wet depositionof nitrogen species onto the ocean surface from the atmosphere.  'Nitrogen fixation' means the production of ammonia from nitrogen gas. Organisms that fix nitrogen are termed 'diazotrophs'. Diazotrophic phytoplankton can fix atmospheric nitrogen, thus increasing the content of nitrogen in the ocean. Runoff is the liquid water which drains from land. If not specified, "runoff" refers to the sum of surface runoff and subsurface drainage."tendency_of_X" means derivative of X with respect to time. --> 
     407   <field id="CMIP6_graz"          field_ref="GRAZ1" > this + GRAZ2 </field>  <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_grazing_of_phytoplankton : "tendency_of_X" means derivative of X with respect to time. Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. Phytoplankton are autotrophic prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis. "Grazing of phytoplankton" means the grazing of phytoplankton by zooplankton. --> 
     408   <field id="CMIP6_icfriver"      field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_inorganic_carbon_due_to_runoff_and_sediment_dissolution : Inorganic Carbon supply to ocean through runoff (separate from gas exchange) --> 
     409   <field id="CMIP6_intdic"        field_ref="INTDIC"         /> <!-- P1 (kg m-2) ocean_mass_content_of_dissolved_inorganic_carbon : Vertically integrated DIC --> 
     410   <field id="CMIP6_intdoc"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2) ocean_mass_content_of_dissolved_organic_carbon : Vertically integrated DOC (explicit pools only) --> 
     411   <field id="CMIP6_intparag"      field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_aragonite_expressed_as_carbon_due_to_biological_production : Vertically integrated aragonite production --> 
     412   <field id="CMIP6_intpbfe"       field_ref="INTPBFE"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_iron_due_to_biological_production : Vertically integrated biogenic iron production --> 
     413   <field id="CMIP6_intpbn"        field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_nitrogen_due_to_biological_production : Vertically integrated biogenic nitrogen production --> 
    403414   <field id="CMIP6_intpbp"        field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_phosphorus_due_to_biological_production : Vertically integrated biogenic phosphorus production --> 
    404    <field id="CMIP6_intpbsi"       field_ref="INTPBSI"          /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_silicon_due_to_biological_production : Vertically integrated biogenic silica production --> 
     415   <field id="CMIP6_intpbsi"       field_ref="INTPBSI"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_silicon_due_to_biological_production : Vertically integrated biogenic silica production --> 
    405416   <field id="CMIP6_intpcalcite"   field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_calcite_expressed_as_carbon_due_to_biological_production : Vertically integrated calcite production --> 
    406    <field id="CMIP6_intpn2"        field_ref="INTNFIX"          /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_elemental_nitrogen_due_to_fixation : Vertically integrated nitrogen fixation --> 
    407    <field id="CMIP6_intpoc"        field_ref="dummy_XY"           /> <!-- P2 (kg m-2) intpoc : Vertically integrated POC --> 
    408    <field id="CMIP6_intpp"         field_ref="INTPP"            /> <!-- P1 (mol m-2 s-1) net_primary_mole_productivity_of_carbon_by_phytoplankton : Vertically integrated total primary (organic carbon) production by phytoplankton.  This should equal the sum of intpdiat+intpphymisc, but those individual components may be unavailable in some models. --> 
    409    <field id="CMIP6_intppcalc"     field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) net_primary_mole_productivity_of_carbon_by_calcareous_phytoplankton : Net Primary Mole Productivity of Carbon by Calcareous Phytoplankton --> 
    410    <field id="CMIP6_intppdiat"     field_ref="INTPPPHY2"        /> <!-- P2 (mol m-2 s-1) net_primary_mole_productivity_of_carbon_by_diatoms : Vertically integrated primary (organic carbon) production by the diatom phytoplankton component alone --> 
    411    <field id="CMIP6_intppdiaz"     field_ref="dummy_XY"        /> <!-- P3 (mol m-2 s-1) net_primary_mole_productivity_of_carbon_by_diazotrophs : Net Primary Mole Productivity of Carbon by Diazotrophs --> 
    412    <field id="CMIP6_intppmisc"     field_ref="INTPPPHY"         /> <!-- P3 (mol m-2 s-1) net_primary_mole_productivity_of_carbon_by_miscellaneous_phytoplankton : Vertically integrated total primary (organic carbon) production by other phytoplankton components alone --> 
    413    <field id="CMIP6_intppnitrate"  field_ref="INTPNEW"          /> <!-- P2 (mol m-2 s-1) net_primary_mole_productivity_of_biomass_expressed_as_carbon_due_to_nitrate_utilization : Vertically integrated primary (organic carbon) production by phytoplankton based on nitrate uptake alone --> 
    414    <field id="CMIP6_intpppico"     field_ref="dummy_XY"        /> <!-- P3 (mol m-2 s-1) net_primary_mole_productivity_of_carbon_by_picophytoplankton : Net Primary Mole Productivity of Carbon by Picophytoplankton --> 
    415    <field id="CMIP6_limfecalc"     field_ref="dummy_XY"        /> <!-- P2 (1.0) limfecalc : Iron limitation of Calcareous Phytoplankton --> 
    416    <field id="CMIP6_limfediat"     field_ref="LDFeSFC"             /> <!-- P2 (1.0) limfediat : Iron limitation of Diatoms --> 
    417    <field id="CMIP6_limfediaz"     field_ref="dummy_XY"        /> <!-- P2 (1.0) limfediaz : Iron limitation of Diazotrophs --> 
    418    <field id="CMIP6_limfemisc"     field_ref="LNFeSFC"             /> <!-- P2 (1.0) limfemisc : Iron Limitation of Other Phytoplankton --> 
    419    <field id="CMIP6_limfepico"     field_ref="dummy_XY"        /> <!-- P2 (1.0) limfepico : Iron limitation of Picophytoplankton --> 
    420    <field id="CMIP6_limirrcalc"    field_ref="dummy_XY"        /> <!-- P2 (1.0) limirrcalc : Irradiance limitation of Calcareous Phytoplankton --> 
    421    <field id="CMIP6_limirrdiat"    field_ref="LDlightSFC"          /> <!-- P2 (1.0) limirrdiat : Irradiance limitation of Diatoms --> 
    422    <field id="CMIP6_limirrdiaz"    field_ref="dummy_XY"        /> <!-- P2 (1.0) limirrdiaz : Irradiance limitation of Diazotrophs --> 
    423    <field id="CMIP6_limirrmisc"    field_ref="LNlightSFC"          /> <!-- P2 (1.0) limirrmisc : Irradiance Limitation of Other Phytoplankton --> 
    424    <field id="CMIP6_limirrpico"    field_ref="dummy_XY"        /> <!-- P2 (1.0) limirrpico : Irradiance limitation of Picophytoplankton --> 
    425    <field id="CMIP6_limncalc"      field_ref="dummy_XY"        /> <!-- P2 (1.0) limncalc : Nitrogen limitation of Calcareous Phytoplankton --> 
    426    <field id="CMIP6_limndiat"      field_ref="LDnutSFC"            /> <!-- P2 (1.0) limndiat : Nitrogen limitation of Diatoms --> 
    427    <field id="CMIP6_limndiaz"      field_ref="dummy_XY"        /> <!-- P2 (1.0) limndiaz : Nitrogen limitation of Diazotrophs --> 
    428    <field id="CMIP6_limnmisc"      field_ref="LNnutSFC"            /> <!-- P2 (1.0) limnmisc : Nitrogen Limitation of Other Phytoplankton --> 
    429    <field id="CMIP6_limnpico"      field_ref="dummy_XY"        /> <!-- P2 (1.0) limnpico : Nitrogen limitation of Picophytoplankton --> 
    430    <field id="CMIP6_nh4"           field_ref="NH4_E3T"    expr="@NH4_E3T / @e3t * 1e-3" > NH4_E3T / e3t * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_ammonium_in_sea_water : Dissolved Ammonium Concentration --> 
    431    <field id="CMIP6_no3"           field_ref="NO3_E3T"    expr="@NO3_E3T / @e3t * 1e-3" > NO3_E3T / @e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_nitrate_in_sea_water : Dissolved Nitrate Concentration --> 
    432    <field id="CMIP6_no3os"         field_ref="NO3SFC_E3T" expr="@NO3SFC_E3T / @E3TSFC * 1e-3" > NO3SFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) no3os : Surface Dissolved Nitrate Concentration --> 
    433    <field id="CMIP6_o2"            field_ref="O2_E3T"     expr="@O2_E3T / @e3t * 1e-3"  > O2_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) o2 : Dissolved Oxygen Concentration --> 
    434    <field id="CMIP6_o2min"         field_ref="O2MIN"            /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_molecular_oxygen_in_sea_water_at_shallowest_local_minimum_in_vertical_profile : Oxygen Minimum Concentration --> 
    435    <field id="CMIP6_o2os"          field_ref="O2SFC_E3T"  expr="@O2SFC_E3T / @E3TSFC * 1e-3" >  O2SFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) o2os : Surface Dissolved Oxygen Concentration --> 
    436    <field id="CMIP6_o2sat"         field_ref="dummy_XYO"         /> <!-- P2 (mol m-3) o2sat : Dissolved Oxygen Concentration at Saturation --> 
    437    <field id="CMIP6_o2satos"       field_ref="dummy_XY"         /> <!-- P1 (mol m-3) o2satos : Surface Dissolved Oxygen Concentration at Saturation --> 
    438    <field id="CMIP6_ocfriver"      field_ref="dummy_XY"           /> <!-- P3 (mol m-2 s-1) ocfriver : Organic Carbon supply to ocean through runoff (separate from gas exchange) --> 
    439    <field id="CMIP6_parag"         field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water_due_to_biological_production : Aragonite Production --> 
    440    <field id="CMIP6_pbfe"          field_ref="PFeN" > this + PFeD </field>  <!-- P2 (mol m-3 s-1) tendency_of_mole_concentration_of_iron_in_sea_water_due_to_biological_production : Biogenic Iron Production --> 
    441    <field id="CMIP6_pbsi"          field_ref="PBSi"             /> <!-- P2 (mol m-3 s-1) tendency_of_mole_concentration_of_silicon_in_sea_water_due_to_biological_production : Biogenic Silica Production --> 
    442    <field id="CMIP6_pcalc"         field_ref="PCAL"             /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_calcite_expressed_as_carbon_in_sea_water_due_to_biological_production : Calcite Production --> 
    443    <field id="CMIP6_pdi"           field_ref="PPPHY2"           /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_diatoms : Primary (organic carbon) production by the diatom component alone --> 
    444    <field id="CMIP6_ph"            field_ref="PH"               /> <!-- P1 (1.0) sea_water_ph_reported_on_total_scale : negative log of hydrogen ion concentration with the concentration expressed as mol H kg-1. --> 
    445    <field id="CMIP6_phabio"        field_ref="dummy_XYO"        /> <!-- P2 (1.0) phabio : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1 (abiotic component).. --> 
    446    <field id="CMIP6_phabioos"      field_ref="dummy_XY"        /> <!-- P2 (1.0) phabioos : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1. --> 
    447    <field id="CMIP6_phnat"         field_ref="dummy_XYO"        /> <!-- P1 (1.0) phnat : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1. --> 
    448    <field id="CMIP6_phnatos"       field_ref="dummy_XY"        /> <!-- P2 (1.0) phnatos : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1. --> 
     417   <field id="CMIP6_intpn2"        field_ref="INTNFIX"         /> <!-- P1 (mol m-2 s-1) tendency_of_ocean_mole_content_of_elemental_nitrogen_due_to_fixation : Vertically integrated nitrogen fixation --> 
     418   <field id="CMIP6_intpoc"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2) ocean_mass_content_of_particulate_organic_matter_expressed_as_carbon : Vertically integrated POC --> 
     419   <field id="CMIP6_intpp"         field_ref="INTPP"         /> <!-- P1 (mol m-2 s-1) net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_phytoplankton : Vertically integrated total primary (organic carbon) production by phytoplankton.  This should equal the sum of intpdiat+intpphymisc, but those individual components may be unavailable in some models. --> 
     420   <field id="CMIP6_intppcalc"     field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_calcareous_phytoplankton : "Production of carbon" means the production of biomass expressed as the mass of carbon which it contains. Net primary production is the excess of gross primary production (rate of synthesis of biomass from inorganic precursors) by autotrophs ("producers"), for example, photosynthesis in plants or phytoplankton, over the rate at which the autotrophs themselves respire some of this biomass. "Productivity" means production per unit area. Phytoplankton are autotrophic prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis. "Calcareous phytoplankton" are phytoplankton that produce calcite. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Standard names also exist for aragonite, another polymorph of calcium carbonate. --> 
     421   <field id="CMIP6_intppdiat"     field_ref="INTPPPHY2"         /> <!-- P1 (mol m-2 s-1) net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_diatoms : Vertically integrated primary (organic carbon) production by the diatom phytoplankton component alone --> 
     422   <field id="CMIP6_intppdiaz"     field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_diazotrophs : "Production of carbon" means the production of biomass expressed as the mass of carbon which it contains. Net primary production is the excess of gross primary production (rate of synthesis of biomass from inorganic precursors) by autotrophs ("producers"), for example, photosynthesis in plants or phytoplankton, over the rate at which the autotrophs themselves respire some of this biomass. "Productivity" means production per unit area. In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are autotrophic prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. --> 
     423   <field id="CMIP6_intppmisc"     field_ref="INTPPPHY"         /> <!-- P1 (mol m-2 s-1) net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_miscellaneous_phytoplankton : Vertically integrated total primary (organic carbon) production by other phytoplankton components alone --> 
     424   <field id="CMIP6_intppnitrate"  field_ref="INTPNEW"         /> <!-- P1 (mol m-2 s-1) net_primary_mole_productivity_of_biomass_expressed_as_carbon_due_to_nitrate_utilization : Vertically integrated primary (organic carbon) production by phytoplankton based on nitrate uptake alone --> 
     425   <field id="CMIP6_intpppico"     field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) net_primary_mole_productivity_of_biomass_expressed_as_carbon_by_picophytoplankton : "Production of carbon" means the production of biomass expressed as the mass of carbon which it contains. Net primary production is the excess of gross primary production (rate of synthesis of biomass from inorganic precursors) by autotrophs ("producers"), for example, photosynthesis in plants or phytoplankton, over the rate at which the autotrophs themselves respire some of this biomass. "Productivity" means production per unit area. Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are autotrophic prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis. The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. --> 
     426   <field id="CMIP6_limfecalc"     field_ref="dummy_XY"         /> <!-- P1 (1) iron_growth_limitation_of_calcareous_phytoplankton : "Calcareous phytoplankton" are phytoplankton that produce calcite. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Iron growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability. --> 
     427   <field id="CMIP6_limfediat"     field_ref="LDFeSFC"         /> <!-- P1 (1) iron_growth_limitation_of_diatoms : Diatoms are phytoplankton with an external skeleton made of silica. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Iron growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability. --> 
     428   <field id="CMIP6_limfediaz"     field_ref="dummy_XY"         /> <!-- P1 (1) iron_growth_limitation_of_diazotrophs : In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Iron growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability. --> 
     429   <field id="CMIP6_limfemisc"     field_ref="LNFeSFC"         /> <!-- P1 (1) iron_growth_limitation_of_miscellaneous_phytoplankton : Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Miscellaneous phytoplankton" are all those phytoplankton that are not diatoms, diazotrophs, calcareous phytoplankton, picophytoplankton or other separately named components of the phytoplankton population. "Iron growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability. --> 
     430   <field id="CMIP6_limfepico"     field_ref="dummy_XY"         /> <!-- P1 (1) iron_growth_limitation_of_picophytoplankton : Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Iron growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability. --> 
     431   <field id="CMIP6_limirrcalc"    field_ref="dummy_XY"         /> <!-- P1 (1) growth_limitation_of_calcareous_phytoplankton_due_to_solar_irradiance : "Calcareous phytoplankton" are phytoplankton that produce calcite.  Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "Irradiance" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. "Growth limitation due to solar irradiance" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance. --> 
     432   <field id="CMIP6_limirrdiat"    field_ref="LDlightSFC"         /> <!-- P1 (1) growth_limitation_of_diatoms_due_to_solar_irradiance : Diatoms are phytoplankton with an external skeleton made of silica. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "Irradiance" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. "Growth limitation due to solar irradiance" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance. --> 
     433   <field id="CMIP6_limirrdiaz"    field_ref="dummy_XY"         /> <!-- P1 (1) growth_limitation_of_diazotrophs_due_to_solar_irradiance : In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "Irradiance" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. "Growth limitation due to solar irradiance" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance. --> 
     434   <field id="CMIP6_limirrmisc"    field_ref="LNlightSFC"         /> <!-- P1 (1) growth_limitation_of_miscellaneous_phytoplankton_due_to_solar_irradiance : Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Miscellaneous phytoplankton" are all those phytoplankton that are not diatoms, diazotrophs, calcareous phytoplankton, picophytoplankton or other separately named components of the phytoplankton population. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "Irradiance" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. "Growth limitation due to solar irradiance" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance. --> 
     435   <field id="CMIP6_limirrpico"    field_ref="dummy_XY"         /> <!-- P1 (1) growth_limitation_of_picophytoplankton_due_to_solar_irradiance : Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "Irradiance" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. "Growth limitation due to solar irradiance" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance. --> 
     436   <field id="CMIP6_limncalc"      field_ref="dummy_XY"         /> <!-- P1 (1) nitrogen_growth_limitation_of_calcareous_phytoplankton : "Calcareous phytoplankton" are phytoplankton that produce calcite. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Nitrogen growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability. --> 
     437   <field id="CMIP6_limndiat"      field_ref="LDnutSFC"         /> <!-- P1 (1) nitrogen_growth_limitation_of_diatoms : Diatoms are phytoplankton with an external skeleton made of silica. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Nitrogen growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability. --> 
     438   <field id="CMIP6_limndiaz"      field_ref="dummy_XY"         /> <!-- P1 (1) nitrogen_growth_limitation_of_diazotrophs : In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Nitrogen growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability. --> 
     439   <field id="CMIP6_limnmisc"      field_ref="LNnutSFC"         /> <!-- P1 (1) nitrogen_growth_limitation_of_miscellaneous_phytoplankton : Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Miscellaneous phytoplankton" are all those phytoplankton that are not diatoms, diazotrophs, calcareous phytoplankton, picophytoplankton or other separately named components of the phytoplankton population. "Nitrogen growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability. --> 
     440   <field id="CMIP6_limnpico"      field_ref="dummy_XY"         /> <!-- P1 (1) nitrogen_growth_limitation_of_picophytoplankton : Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. "Nitrogen growth limitation" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability. --> 
     441   <field id="CMIP6_nh4"           field_ref="NH4_E3T"    expr="@NH4_E3T / @e3t * 1e-3" > NH4_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_ammonium_in_sea_water : Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y. --> 
     442   <field id="CMIP6_nh4os"         field_ref="NH4SFC_E3T" expr="@NH4SFC_E3T / @E3TSFC * 1e-3" > NH4SFC_E3T / E3TSFC * 1e-3 </field>  <!-- P2 (mol m-3) mole_concentration_of_ammonium_in_sea_water : Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y. --> 
     443   <field id="CMIP6_no3"           field_ref="NO3_E3T"    expr="@NO3_E3T / @e3t * 1e-3" > NO3_E3T / @e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_nitrate_in_sea_water : Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y. --> 
     444   <field id="CMIP6_no3os"         field_ref="NO3SFC_E3T" expr="@NO3SFC_E3T / @E3TSFC * 1e-3" > NO3SFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_nitrate_in_sea_water : Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y. --> 
     445   <field id="CMIP6_o2"            field_ref="O2_E3T"     expr="@O2_E3T / @e3t * 1e-3"  > O2_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_dissolved_molecular_oxygen_in_sea_water : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. --> 
     446   <field id="CMIP6_o2min"         field_ref="O2MIN"            />  <!-- P1 (mol m-3) mole_concentration_of_dissolved_molecular_oxygen_in_sea_water_at_shallowest_local_minimum_in_vertical_profile : 'Mole concentration' means number of moles per unit volume, also called "molarity", and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The concentration of any chemical species, whether particulate or dissolved, may vary with depth in the ocean.  A depth profile may go through one or more local minima in concentration. The mole_concentration_of_molecular_oxygen_in_sea_water_at_shallowest_local_minimum_in_vertical_profile is the mole concentration of oxygen at the local minimum in the concentration profile that occurs closest to the sea surface. --> 
     447   <field id="CMIP6_o2os"          field_ref="O2SFC_E3T"  expr="@O2SFC_E3T / @E3TSFC * 1e-3" >  O2SFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_dissolved_molecular_oxygen_in_sea_water : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. --> 
     448   <field id="CMIP6_o2sat"         field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_dissolved_molecular_oxygen_in_sea_water_at_saturation : "Mole concentration at saturation" means the mole concentration in a saturated solution. Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". --> 
     449   <field id="CMIP6_o2satos"       field_ref="dummy_XY"         /> <!-- P1 (mol m-3) mole_concentration_of_dissolved_molecular_oxygen_in_sea_water_at_saturation : "Mole concentration at saturation" means the mole concentration in a saturated solution. Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". --> 
     450   <field id="CMIP6_ocfriver"      field_ref="dummy_XY"         /> <!-- P3 (mol m-2 s-1) tendency_of_ocean_mole_content_of_organic_carbon_due_to_runoff_and_sediment_dissolution : Organic Carbon supply to ocean through runoff (separate from gas exchange) --> 
     451   <field id="CMIP6_parag"         field_ref="dummy_XYO"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_aragonite_expressed_as_carbon_in_sea_water_due_to_biological_production : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  "tendency_of_X" means derivative of X with respect to time.  Aragonite is a mineral that is a polymorph of calcium carbonate. The chemical formula of aragonite is CaCO3. Standard names also exist for calcite, another polymorph of calcium carbonate. --> 
     452   <field id="CMIP6_pbfe"          field_ref="PFeN" > this + PFeD </field>  <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_iron_in_sea_water_due_to_biological_production : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  "tendency_of_X" means derivative of X with respect to time. --> 
     453   <field id="CMIP6_pbsi"          field_ref="PBSi"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_silicon_in_sea_water_due_to_biological_production : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  "tendency_of_X" means derivative of X with respect to time. --> 
     454   <field id="CMIP6_pcalc"         field_ref="PCAL"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_calcite_expressed_as_carbon_in_sea_water_due_to_biological_production : 'Mole concentration' means number of moles per unit volume, also called"molarity", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The phrase 'expressed_as' is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  "tendency_of_X" means derivative of X with respect to time.  Calcite is a mineral that is a polymorph of calcium carbonate. Thechemical formula of calcite is CaCO3. Standard names also exist for aragonite, another polymorph of calcium carbonate. --> 
     455   <field id="CMIP6_ph"            field_ref="PH"        /> <!-- P1 (1) sea_water_ph_reported_on_total_scale : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1. --> 
     456   <field id="CMIP6_phabio"        field_ref="dummy_XYO"        /> <!-- P1 (1) sea_water_ph_abiotic_analogue_reported_on_total_scale : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1 (abiotic component).. --> 
     457   <field id="CMIP6_phabioos"      field_ref="dummy_XY"         /> <!-- P2 (1) sea_water_ph_abiotic_analogue_reported_on_total_scale : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1. --> 
     458   <field id="CMIP6_phnat"         field_ref="dummy_XYO"        /> <!-- P1 (1) sea_water_ph_natural_analogue_reported_on_total_scale : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1 (natural component). --> 
     459   <field id="CMIP6_phnatos"       field_ref="dummy_XY"         /> <!-- P2 (1) sea_water_ph_natural_analogue_reported_on_total_scale : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1. --> 
     460   <field id="CMIP6_phos"          field_ref="PHSFC"         /> <!-- P1 (1) sea_water_ph_reported_on_total_scale : negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1. --> 
    449461   <field id="CMIP6_phyc"          field_ref="PHY_E3T"  expr="@PHY_E3T / @e3t * 1e-3 + @PHY2_E3T / @e3t * 1e-3" > PHY_E3T / e3t * 1e-3 + PHY2_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_carbon_in_sea_water : sum of phytoplankton carbon component concentrations.  In most (all?) cases this is the sum of phycdiat and phycmisc (i.e., "Diatom Carbon Concentration" and "Non-Diatom Phytoplankton Carbon Concentration" --> 
    450462   <field id="CMIP6_phycalc"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_calcareous_phytoplankton_expressed_as_carbon_in_sea_water : carbon concentration from calcareous (calcite-producing) phytoplankton component alone --> 
    451    <field id="CMIP6_phycos"        field_ref="PHYSFC_E3T" expr="@PHYSFC_E3T / @E3TSFC * 1e-3 + @PHY2SFC_E3T / @E3TSFC * 1e-3" > PHYSFC_E3T / E3TSFC * 1e-3 + PHY2SFC_E3T / E3TSFC * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_carbon_in_sea_water : sum of phytoplankton organic carbon component concentrations at the sea surface --> 
     463   <field id="CMIP6_phycalcos"     field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_calcareous_phytoplankton_expressed_as_carbon_in_sea_water : carbon concentration from calcareous (calcite-producing) phytoplankton component alone --> 
     464   <field id="CMIP6_phycos"        field_ref="PHYSFC_E3T" expr="@PHYSFC_E3T / @E3TSFC * 1e-3 + @PHY2SFC_E3T / @E3TSFC * 1e-3" > PHYSFC_E3T / E3TSFC * 1e-3 + PHY2SFC_E3T / E3TSFC * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_carbon_in_sea_water : sum of phytoplankton carbon component concentrations.  In most (all?) cases this is the sum of phycdiat and phycmisc (i.e., "Diatom Carbon Concentration" and "Non-Diatom Phytoplankton Carbon Concentration" --> 
    452465   <field id="CMIP6_phydiat"       field_ref="PHY2_E3T"   expr="@PHY2_E3T / @e3t * 1e-3" > PHY2_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_diatoms_expressed_as_carbon_in_sea_water : carbon from the diatom phytoplankton component concentration alone --> 
    453    <field id="CMIP6_phydiaz"       field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_diazotrophs_expressed_as_carbon_in_sea_water : carbon concentration from the diazotrophic phytoplankton component alone --> 
    454    <field id="CMIP6_phyfe"         field_ref="NFe_E3T"  expr="@NFe_E3T / @e3t * 1e-3 + @DFe_E3T / @e3t * 1e-3" > NFe_E3T / e3t * 1e-3 + DFe_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_iron_in_sea_water : sum of phytoplankton iron component concentrations --> 
    455    <field id="CMIP6_phyfeos"       field_ref="NFeSFC_E3T" expr="@NFeSFC_E3T / @E3TSFC * 1e-3 + @DFeSFC_E3T / @E3TSFC * 1e-3"  > NFeSFC_E3T / E3TSFC * 1e-3 + DFeSFC_E3T / E3TSFC * 1e-3 </field> <!-- P3 (mol m-3) phyfeos : sum of phytoplankton iron component concentrations --> 
    456    <field id="CMIP6_phymisc"       field_ref="PHY_E3T"   expr="@PHY_E3T / @e3t * 1e-3"  > PHY_E3T / e3t * 1e-3  </field> <!-- P2 (mol m-3) mole_concentration_of_miscellaneous_phytoplankton_expressed_as_carbon_in_sea_water : carbon concentration from additional phytoplankton component alone --> 
    457    <field id="CMIP6_phyn"          field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_nitrogen_in_sea_water : sum of phytoplankton nitrogen component concentrations --> 
    458    <field id="CMIP6_phynos"        field_ref="dummy_XY"        /> <!-- P3 (mol m-3) phynos : sum of phytoplankton nitrogen component concentrations --> 
     466   <field id="CMIP6_phydiatos"     field_ref="PHY2SFC_E3T"   expr="@PHY2SFC_E3T / @E3TSFC * 1e-3" > PHY2SFC_E3T / E3TSFC * 1e-3 </field>  <!-- P2 (mol m-3) mole_concentration_of_diatoms_expressed_as_carbon_in_sea_water : carbon from the diatom phytoplankton component concentration alone --> 
     467   <field id="CMIP6_phydiaz"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_diazotrophs_expressed_as_carbon_in_sea_water : carbon concentration from the diazotrophic phytoplankton component alone --> 
     468   <field id="CMIP6_phydiazos"     field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_diazotrophs_expressed_as_carbon_in_sea_water : carbon concentration from the diazotrophic phytoplankton component alone --> 
     469   <field id="CMIP6_phyfe"         field_ref="NFe_E3T"  expr="@NFe_E3T / @e3t * 1e-3 + @DFe_E3T / @e3t * 1e-3" > NFe_E3T / e3t * 1e-3 + DFe_E3T / e3t * 1e-3 </field>  <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_iron_in_sea_water : sum of phytoplankton iron component concentrations --> 
     470   <field id="CMIP6_phyfeos"       field_ref="NFeSFC_E3T" expr="@NFeSFC_E3T / @E3TSFC * 1e-3 + @DFeSFC_E3T / @E3TSFC * 1e-3"  > NFeSFC_E3T / E3TSFC * 1e-3 + DFeSFC_E3T / E3TSFC * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_iron_in_sea_water : sum of phytoplankton iron component concentrations --> 
     471   <field id="CMIP6_phymisc"       field_ref="PHY_E3T"   expr="@PHY_E3T / @e3t * 1e-3" > PHY_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_miscellaneous_phytoplankton_expressed_as_carbon_in_sea_water : carbon concentration from additional phytoplankton component alone --> 
     472   <field id="CMIP6_phymiscos"     field_ref="PHYSFC_E3T"   expr="@PHYSFC_E3T / @E3TSFC * 1e-3" > PHYSFC_E3T / E3TSFC * 1e-3 </field>  <!-- P2 (mol m-3) mole_concentration_of_miscellaneous_phytoplankton_expressed_as_carbon_in_sea_water : carbon concentration from additional phytoplankton component alone --> 
     473   <field id="CMIP6_phyn"          field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_nitrogen_in_sea_water : sum of phytoplankton nitrogen component concentrations --> 
     474   <field id="CMIP6_phynos"        field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_nitrogen_in_sea_water : sum of phytoplankton nitrogen component concentrations --> 
    459475   <field id="CMIP6_phyp"          field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_phosphorus_in_sea_water : sum of phytoplankton phosphorus components --> 
    460    <field id="CMIP6_phypico"       field_ref="dummy_XY"        /> <!-- P1 (mol m-3) mole_concentration_of_picophytoplankton_expressed_as_carbon_in_sea_water : carbon concentration from the picophytoplankton (<2 um) component alone --> 
    461    <field id="CMIP6_phypos"        field_ref="dummy_XYO"        /> <!-- P3 (mol m-3) phypos : sum of phytoplankton phosphorus components --> 
     476   <field id="CMIP6_phypico"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_picophytoplankton_expressed_as_carbon_in_sea_water : carbon concentration from the picophytoplankton (<2 um) component alone --> 
     477   <field id="CMIP6_phypicoos"     field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_picophytoplankton_expressed_as_carbon_in_sea_water : carbon concentration from the picophytoplankton (<2 um) component alone --> 
     478   <field id="CMIP6_phypos"        field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_phosphorus_in_sea_water : sum of phytoplankton phosphorus components --> 
    462479   <field id="CMIP6_physi"         field_ref="DSi_E3T"  expr="@DSi_E3T / @e3t * 1e-3" >  DSi_E3T / e3t * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_silicon_in_sea_water : sum of phytoplankton silica component concentrations --> 
    463    <field id="CMIP6_physios"       field_ref="DSiSFC_E3T" expr="@DSiSFC_E3T / @E3TSFC * 1e-3" >  DSiSFC_E3T / E3TSFC * 1e-3 </field> <!-- P3 (mol m-3) physios : sum of phytoplankton silica component concentrations --> 
    464    <field id="CMIP6_pnitrate"      field_ref="TPNEW"            /> <!-- P2 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_nitrate_utilization : Primary (organic carbon) production by phytoplankton due to nitrate uptake alone --> 
    465    <field id="CMIP6_po4"           field_ref="PO4_E3T" expr="@PO4_E3T / @e3t * 1e-3" >  PO4_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_phosphate_in_sea_water : Dissolved Phosphate Concentration --> 
    466    <field id="CMIP6_poc"           field_ref="POC_E3T" expr="@POC_E3T / @e3t * 1e-3 + @GOC_E3T / @e3t * 1e-3" >  POC_E3T / e3t * 1e-3 + GOC_E3T / e3t * 1e-3 </field> <!-- (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water : sum of particulate organic carbon component concentrations --> 
    467    <field id="CMIP6_pocos"         field_ref="POCSFC_E3T" expr="@POCSFC_E3T / @E3TSFC * 1e-3 + @GOCSFC_E3T / @E3TSFC * 1e-3" > POCSFC_E3T / E3TSFC * 1e-3 + GOCSFC_E3T / E3TSFC * 1e-3 </field> <!-- (mol m-3) pocos : sum of Surface particulate organic carbon component concentrations --> 
    468    <field id="CMIP6_pon"           field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_nitrogen_in_sea_water : sum of particulate organic nitrogen component concentrations --> 
    469    <field id="CMIP6_ponos"         field_ref="dummy_XY"        /> <!-- P3 (mol m-3) ponos : sum of particulate organic nitrogen component concentrations --> 
    470    <field id="CMIP6_pop"           field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_phosphorus_in_sea_water : sum of particulate organic phosphorus component concentrations --> 
    471    <field id="CMIP6_popos"         field_ref="dummy_XY"        /> <!-- P3 (mol m-3) popos : sum of particulate organic phosphorus component concentrations --> 
    472    <field id="CMIP6_pp"            field_ref="TPP"              /> <!-- P2 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production : total primary (organic carbon) production by phytoplankton --> 
    473    <field id="CMIP6_ppcalc"        field_ref="dummy_XYO"        /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_calcareous_phytoplankton : Primary (organic carbon) production by the calcite-producing phytoplankton component alone --> 
    474    <field id="CMIP6_ppdiat"        field_ref="PPPHY2"           /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_diatoms : Primary (organic carbon) production by the diatom component alone --> 
     480   <field id="CMIP6_physios"       field_ref="DSiSFC_E3T" expr="@DSiSFC_E3T / @E3TSFC * 1e-3" >  DSiSFC_E3T / E3TSFC * 1e-3 </field>   <!-- P2 (mol m-3) mole_concentration_of_phytoplankton_expressed_as_silicon_in_sea_water : sum of phytoplankton silica component concentrations --> 
     481   <field id="CMIP6_pnitrate"      field_ref="TPNEW"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_nitrate_utilization : Primary (organic carbon) production by phytoplankton due to nitrate uptake alone --> 
     482   <field id="CMIP6_po4"           field_ref="PO4_E3T" expr="@PO4_E3T / @e3t * 1e-3" >  PO4_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_phosphorus_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". "Dissolved inorganic phosphorus" means the sum of all inorganic phosphorus in solution (including phosphate, hydrogen phosphate, dihydrogen phosphate, and phosphoric acid). --> 
     483   <field id="CMIP6_po4os"         field_ref="PO4SFC_E3T" expr="@PO4SFC_E3T / @E3TSFC * 1e-3" >  PO4SFC_E3T / E3TSFC * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_phosphorus_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". "Dissolved inorganic phosphorus" means the sum of all inorganic phosphorus in solution (including phosphate, hydrogen phosphate, dihydrogen phosphate, and phosphoric acid). --> 
     484   <field id="CMIP6_pon"           field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_nitrogen_in_sea_water : sum of particulate organic nitrogen component concentrations --> 
     485   <field id="CMIP6_ponos"         field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_nitrogen_in_sea_water : sum of particulate organic nitrogen component concentrations --> 
     486   <field id="CMIP6_pop"           field_ref="dummy_XYO"        /> <!-- P2 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_phosphorus_in_sea_water : sum of particulate organic phosphorus component concentrations --> 
     487   <field id="CMIP6_popos"         field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_particulate_organic_matter_expressed_as_phosphorus_in_sea_water : sum of particulate organic phosphorus component concentrations --> 
     488   <field id="CMIP6_pp"            field_ref="TPP"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production : total primary (organic carbon) production by phytoplankton --> 
     489   <field id="CMIP6_ppcalc"        field_ref="dummy_XYO"        /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_calcareous_phytoplankton : Primary (organic carbon) production by calcareous phytoplankton components alone --> 
     490   <field id="CMIP6_ppdiat"        field_ref="PPPHY2"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_diatoms : Primary (organic carbon) production by diatom phytoplankton components alone --> 
    475491   <field id="CMIP6_ppdiaz"        field_ref="dummy_XYO"        /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_diazotrophs : Primary (organic carbon) production by the diazotrophic phytoplankton component alone --> 
    476    <field id="CMIP6_ppmisc"        field_ref="PPPHY"            /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_miscellaneous_phytoplankton : Primary (organic carbon) production by other phytoplankton components alone --> 
     492   <field id="CMIP6_ppmisc"        field_ref="PPPHY"        /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_miscellaneous_phytoplankton : Primary (organic carbon) production by other phytoplankton components alone --> 
     493   <field id="CMIP6_ppos"          field_ref="TPPSFC"         /> <!-- P1 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production : total primary (organic carbon) production by phytoplankton --> 
    477494   <field id="CMIP6_pppico"        field_ref="dummy_XYO"        /> <!-- P3 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_net_primary_production_by_picophytoplankton : Primary (organic carbon) production by the picophytoplankton (<2 um) component alone --> 
    478    <field id="CMIP6_remoc"         field_ref="REMIN"            /> <!-- P2 (mol m-3 s-1) remoc : Remineralization of Organic Carbon --> 
    479    <field id="CMIP6_si"            field_ref="Si_E3T"  expr="@Si_E3T / @e3t * 1e-3" >  Si_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_silicate_in_sea_water : Total Dissolved Inorganic Silicon Concentration --> 
    480    <field id="CMIP6_sios"          field_ref="SiSFC_E3T" expr="@SiSFC_E3T / @E3TSFC * 1e-3" >  SiSFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) sios : Surface Total Dissolved Inorganic Silicon Concentration --> 
    481    <field id="CMIP6_spco2"         field_ref="pCO2sea"   >  this * 0.101325  </field>  <!-- P1 (Pa) surface_partial_pressure_of_carbon_dioxide_in_sea_water : Surface Aqueous Partial Pressure of CO2 --> 
    482    <field id="CMIP6_spco2abio"     field_ref="dummy_XY"         /> <!-- P1 (Pa) spco2abio : Abiotic Surface Aqueous Partial Pressure of CO2 --> 
    483    <field id="CMIP6_spco2nat"      field_ref="dummy_XY"         /> <!-- P1 (Pa) spco2nat : Natural Surface Aqueous Partial Pressure of CO2 --> 
    484    <field id="CMIP6_talk"          field_ref="Alkalini_E3T" expr="@Alkalini_E3T / @e3t * 1e-3" > Alkalini_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) sea_water_alkalinity_expressed_as_mole_equivalent : total alkalinity equivalent concentration (including carbonate, nitrogen, silicate, and borate components) --> 
    485    <field id="CMIP6_talknat"       field_ref="dummy_XYO"         /> <!-- P1 (mol m-3) talknat : total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2 --> 
    486    <field id="CMIP6_talknatos"     field_ref="dummy_XYO"         /> <!-- P1 (mol m-3) talknatos : total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2 --> 
    487    <field id="CMIP6_zmeso"         field_ref="ZOO2_E3T" expr="@ZOO2_E3T / @e3t * 1e-3" > ZOO2_E3T / e3t * 1e-3 </field>  <!-- P2 (mol m-3) mole_concentration_of_mesozooplankton_expressed_as_carbon_in_sea_water : carbon  concentration from mesozooplankton (20-200 um) component alone --> 
    488    <field id="CMIP6_zmicro"        field_ref="ZOO_E3T"  expr="@ZOO_E3T / @e3t * 1e-3"  > ZOO_E3T / e3t * 1e-3   </field> <!-- P1 (mol m-3) mole_concentration_of_microzooplankton_expressed_as_carbon_in_sea_water : carbon  concentration from the microzooplankton (<20 um) component alone --> 
    489    <field id="CMIP6_zmisc"         field_ref="dummy_XYO"        /> <!-- P3 (mol m-3) mole_concentration_of_miscellaneous_zooplankton_expressed_as_carbon_in_sea_water : carbon from additional zooplankton component concentrations alone (e.g. Micro, meso).  Since the models all have different numbers of components, this variable has been included to provide a check for intercomparison between models since some phytoplankton groups are supersets. --> 
    490    <field id="CMIP6_zo2min"        field_ref="ZO2MIN"           /> <!-- P1 (m) depth_at_shallowest_local_minimum_in_vertical_profile_of_mole_concentration_of_dissolved_molecular_oxygen_in_sea_water : Depth of vertical minimum concentration of dissolved oxygen gas (if two, then the shallower) --> 
    491    <field id="CMIP6_zooc"          field_ref="ZOO_E3T" expr="@ZOO_E3T / @e3t * 1e-3 + @ZOO2_E3T / @e3t * 1e-3" > ZOO_E3T / e3t * 1e-3 + ZOO2_E3T / e3t * 1e-3   </field> <!-- P1 (mol m-3) mole_concentration_of_zooplankton_expressed_as_carbon_in_sea_water : sum of zooplankton carbon component concentrations --> 
    492     <field id="CMIP6_zsatarag"      field_ref="dummy_XYO"        /> <!-- P1 (m) minimum_depth_of_aragonite_undersaturation_in_sea_water : Depth of aragonite saturation horizon (0 if undersaturated at all depths, "missing" if supersaturated at all depths; if multiple horizons exist, the shallowest should be taken). --> 
    493    <field id="CMIP6_zsatcalc"      field_ref="dummy_XYO"           /> <!-- P1 (m) minimum_depth_of_calcite_undersaturation_in_sea_water : Depth of calcite saturation horizon (0 if undersaturated at all depths, and missing saturated through whole depth; if two or more horizons exist, then the shallowest is reported) --> 
     495   <field id="CMIP6_remoc"         field_ref="REMIN"        /> <!-- P2 (mol m-3 s-1) tendency_of_mole_concentration_of_particulate_organic_matter_expressed_as_carbon_in_sea_water_due_to_remineralization : "tendency_of_X" means derivative of X with respect to time. Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. Remineralization is the degradation of organic matter into inorganic forms of carbon, nitrogen, phosphorus and other micronutrients, which consumes oxygen and releases energy. --> 
     496   <field id="CMIP6_si"            field_ref="Si_E3T"  expr="@Si_E3T / @e3t * 1e-3" >  Si_E3T / e3t * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_silicon_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". "Dissolved inorganic silicon" means the sum of all inorganic silicon in solution (including silicic acid and its first dissociated anion SiO(OH)3-). --> 
     497   <field id="CMIP6_sios"          field_ref="SiSFC_E3T" expr="@SiSFC_E3T / @E3TSFC * 1e-3" >  SiSFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) mole_concentration_of_dissolved_inorganic_silicon_in_sea_water : Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". "Dissolved inorganic silicon" means the sum of all inorganic silicon in solution (including silicic acid and its first dissociated anion SiO(OH)3-). --> 
     498   <field id="CMIP6_spco2"         field_ref="pCO2sea"   >  this * 0.101325  </field> <!-- P1 (Pa) surface_partial_pressure_of_carbon_dioxide_in_sea_water : The surface called "surface" means the lower boundary of the atmosphere. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The chemical formula for carbon dioxide is CO2. --> 
     499   <field id="CMIP6_spco2abio"     field_ref="dummy_XY"         /> <!-- P1 (Pa) surface_carbon_dioxide_abiotic_analogue_partial_pressure_difference_between_sea_water_and_air : The surface called "surface" means the lower boundary of the atmosphere. The chemical formula for carbon dioxide is CO2. In ocean biogeochemistry models, an "abiotic analogue" is used to simulate the effect on a modelled variable when biological effects on ocean carbon concentration and alkalinity are ignored. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure difference between sea water and air is positive when the partial pressure of the dissolved gas in sea water is greater than the partial pressure in air. --> 
     500   <field id="CMIP6_spco2nat"      field_ref="dummy_XY"         /> <!-- P1 (Pa) surface_carbon_dioxide_natural_analogue_partial_pressure_difference_between_sea_water_and_air : The surface called "surface" means the lower boundary of the atmosphere. The chemical formula for carbon dioxide is CO2. In ocean biogeochemistry models, a "natural analogue" is used to simulate the effect on a modelled variable of imposing preindustrial atmospheric carbon dioxide concentrations, even when the model as a whole may be subjected to varying forcings. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure difference between sea water and air is positive when the partial pressure of the dissolved gas in sea water is greater than the partial pressure in air. --> 
     501   <field id="CMIP6_talk"          field_ref="Alkalini_E3T" expr="@Alkalini_E3T / @e3t * 1e-3" > Alkalini_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) sea_water_alkalinity_expressed_as_mole_equivalent : total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) --> 
     502   <field id="CMIP6_talknat"       field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) sea_water_alkalinity_natural_analogue_expressed_as_mole_equivalent : total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2 --> 
     503   <field id="CMIP6_talknatos"     field_ref="dummy_XY"         /> <!-- P1 (mol m-3) sea_water_alkalinity_natural_analogue_expressed_as_mole_equivalent : total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2 --> 
     504   <field id="CMIP6_talkos"          field_ref="AlkaliniSFC_E3T" expr="@AlkaliniSFC_E3T / @E3TSFC * 1e-3" > AlkaliniSFC_E3T / E3TSFC * 1e-3 </field> <!-- P1 (mol m-3) sea_water_alkalinity_expressed_as_mole_equivalent : total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) --> 
     505   <field id="CMIP6_zmeso"         field_ref="ZOO2_E3T" expr="@ZOO2_E3T / @e3t * 1e-3" > ZOO2_E3T / e3t * 1e-3 </field>  <!-- P1 (mol m-3) mole_concentration_of_mesozooplankton_expressed_as_carbon_in_sea_water : carbon  concentration from mesozooplankton (20-200 um) component alone --> 
     506   <field id="CMIP6_zmesoos"       field_ref="ZOO2SFC_E3T" expr="@ZOO2SFC_E3T / @E3TSFC * 1e-3" > ZOO2SFC_E3T / E3TSFC * 1e-3 </field>   <!-- P2 (mol m-3) mole_concentration_of_mesozooplankton_expressed_as_carbon_in_sea_water : carbon  concentration from mesozooplankton (20-200 um) component alone --> 
     507   <field id="CMIP6_zmicro"        field_ref="ZOO_E3T" expr="@ZOO_E3T / @e3t * 1e-3" > ZOO_E3T / e3t * 1e-3 </field>   <!-- P1 (mol m-3) mole_concentration_of_microzooplankton_expressed_as_carbon_in_sea_water : carbon  concentration from the microzooplankton (<20 um) component alone --> 
     508   <field id="CMIP6_zmicroos"      field_ref="ZOOSFC_E3T" expr="@ZOOSFC_E3T / @E3TSFC * 1e-3" > ZOOSFC_E3T / E3TSFC * 1e-3 </field> <!-- P2 (mol m-3) mole_concentration_of_microzooplankton_expressed_as_carbon_in_sea_water : carbon  concentration from the microzooplankton (<20 um) component alone --> 
     509   <field id="CMIP6_zmisc"         field_ref="dummy_XYO"        /> <!-- P1 (mol m-3) mole_concentration_of_miscellaneous_zooplankton_expressed_as_carbon_in_sea_water : carbon from additional zooplankton component concentrations alone (e.g. Micro, meso).  Since the models all have different numbers of components, this variable has been included to provide a check for intercomparison between models since some phytoplankton groups are supersets. --> 
     510   <field id="CMIP6_zmiscos"       field_ref="dummy_XY"         /> <!-- P2 (mol m-3) mole_concentration_of_miscellaneous_zooplankton_expressed_as_carbon_in_sea_water : carbon from additional zooplankton component concentrations alone (e.g. Micro, meso).  Since the models all have different numbers of components, this variable has been included to provide a check for intercomparison between models since some phytoplankton groups are supersets. --> 
     511   <field id="CMIP6_zo2min"        field_ref="ZO2MIN"         /> <!-- P1 (m) depth_at_shallowest_local_minimum_in_vertical_profile_of_mole_concentration_of_dissolved_molecular_oxygen_in_sea_water : Depth of vertical minimum concentration of dissolved oxygen gas (if two, then the shallower) --> 
     512   <field id="CMIP6_zooc"          field_ref="ZOO_E3T" expr="@ZOO_E3T / @e3t * 1e-3 + @ZOO2_E3T / @e3t * 1e-3" > ZOO_E3T / e3t * 1e-3 + ZOO2_E3T / e3t * 1e-3   </field>  <!-- P1 (mol m-3) mole_concentration_of_zooplankton_expressed_as_carbon_in_sea_water : sum of zooplankton carbon component concentrations --> 
     513   <field id="CMIP6_zoocos"        field_ref="ZOOSFC_E3T" expr="@ZOOSFC_E3T / @E3TSFC * 1e-3 + @ZOO2SFC_E3T / @E3TSFC * 1e-3" > ZOOSFC_E3T / E3TSFC * 1e-3 + ZOO2SFC_E3T / E3TSFC * 1e-3   </field>  <!-- P2 (mol m-3) mole_concentration_of_zooplankton_expressed_as_carbon_in_sea_water : sum of zooplankton carbon component concentrations --> 
     514   <field id="CMIP6_zsatarag"      field_ref="dummy_XY"         /> <!-- P1 (m) minimum_depth_of_aragonite_undersaturation_in_sea_water : Depth of aragonite saturation horizon (0 if < surface, "missing"  if > bottom, if two, then the shallower) --> 
     515   <field id="CMIP6_zsatcalc"      field_ref="dummy_XY"         /> <!-- P1 (m) minimum_depth_of_calcite_undersaturation_in_sea_water : Depth of calcite saturation horizon (0 if < surface, "missing" if > bottom, if two, then the shallower) --> 
     516 
    494517</field_group> 
    495518</field_definition> 
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