Index: CONFIG/UNIFORM/v6/IPSLESM6/GENERAL/PARAM/ping_orchidee.xml
===================================================================
--- CONFIG/UNIFORM/v6/IPSLESM6/GENERAL/PARAM/ping_orchidee.xml	(revision 3687)
+++ CONFIG/UNIFORM/v6/IPSLESM6/GENERAL/PARAM/ping_orchidee.xml	(revision 3758)
@@ -8,20 +8,26 @@
 <!--                                                                                                                      -->
 <!-- $HeadURL: svn://forge.ipsl.jussieu.fr/orchidee/trunk/ORCHIDEE/src_xml/CMIP6_ping_land.xml $                          -->
-<!-- $Date: 2017-10-18 18:33:19 +0200 (Wed, 18 Oct 2017) $                                                              -->
-<!-- $Revision: 4695 $                                                                                                    -->
+<!-- $Date: 2018-03-13 17:38:36 +0100 (Tue, 13 Mar 2018) $                                                              -->
+<!-- $Revision: 5091 $                                                                                                    -->
 <!-- ==================================================================================================================== -->
-<!-- Ping files generated by dr2xml 0.18 using Data Request 01.00.16 -->
+
+<!-- Ping files generated by dr2xml 0.27 using Data Request 01.00.21 -->
 <!-- lrealms= ['land'] -->
 <!-- exact= False -->
 <!--  listof_home_vars : None
  tierMax : 3
+ realms_per_context : {'lmdz': ['atmos', 'atmos land'], 'nemo': ['seaIce', 'ocean', 'ocean seaIce', 'ocnBgchem', 'seaIce ocean'], 'orchidee': ['land', 'landIce land', 'land landIce', 'landIce']}
  max_priority : 3
- mips : 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'])
+ max_file_size_in_floats : 20000000000.0
+ grid_choice : {'IPSL-CM6A-LR': 'LR'}
+ excluded_vars_file : None
+ sizes : {'LR': [20592, 79, 32768, 91, 30, 14, 128]}
+ ping_variables_prefix : CMIP6_
+ source_types : {'IPSL-CM6A-LR': 'AOGCM AER BGC'}
+ path_extra_tables : None
+ grid_policy : native
+ path_special_defs : None
+ 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'])}
  excluded_vars : []
- realms_per_context : {'lmdz': ['atmos', 'atmos land'], 'nemo': ['seaIce', 'ocean', 'ocean seaIce', 'ocnBgchem', 'seaIce ocean'], 'orchidee': ['land', 'landIce land', 'land landIce', 'landIce']}
- path_extra_tables : None
- excluded_vars_file : None
- ping_variables_prefix : CMIP6_
- path_special_defs : None
  orphan_variables : {}
 --> 
@@ -30,292 +36,295 @@
 <field_definition>
 <!-- for variables which realm equals one of _land-->
-   <field id="CMIP6_agesno_land"   field_ref="snowage_glob"     /> <!-- P1 (day) age_of_surface_snow : Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as missing data in regions free of snow on land. Warning: other snow-related fields ask for a 0 value when there is no snow, e.g. CMIP6_hfdsn and CMIP6_snd, we'll stick to this 0 value.-->
-   <field id="CMIP6_albc"          field_ref="vegalb_glob"      /> <!-- P1 (1.0) canopy_albedo : Canopy Albedo -->
-   <field id="CMIP6_albsn"         field_ref="albedo_snow"      /> <!-- P1 (1.0) snow_and_ice_albedo : Albedo of the snow-covered surface, averaged over the grid cell. -->
-   <field id="CMIP6_areacella"     field_ref="dummy_XY"         /> <!-- P1 (m2) cell_area : For atmospheres with more than 1 mesh (e.g., staggered grids), report areas that apply to surface vertical fluxes of energy. -->
-   <field id="CMIP6_areacellg"     field_ref="dummy_XY"         /> <!-- P1 (m2) cell_area : Area of the target grid (not the interpolated area of the source grid). -->
-   <field id="CMIP6_areacellr"     field_ref="dummy_XY"         /> <!-- P1 (m2) cell_area : For river routing model, if grid differs from the atmospheric grid. -->
-   <field id="CMIP6_ares"          field_ref="raero"            /> <!-- P1 (s m-1) aerodynamic_resistance : Aerodynamic resistance -->
-   <field id="CMIP6_baresoilFrac"  field_ref="baresoilFrac"     /> <!-- P2 (%) area_fraction : Percentage of entire grid cell  that is covered by bare soil. Warning: we do not include the bare soil fraction from the vegetated pft's. Note: Multiplied in sechiba by contfrac because we need entire grid-cell -->
-   <field id="CMIP6_burntFractionAll" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of grid cell burned due to all fires including natural and anthropogenic fires and those associated with anthropogenic land use change -->
-   <field id="CMIP6_c13Land"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2) total_land_c13 : Mass of 13C in all terrestrial carbon pools -->
-   <field id="CMIP6_c13Litter"     field_ref="dummy_XY"         /> <!-- P2 (kg m-2) litter_c13_content : Mass of 13C in Litter Pool -->
-   <field id="CMIP6_c13Soil"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2) soil_c13_content : Mass of 13C in Soil Pool -->
-   <field id="CMIP6_c13Veg"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2) vegetation_c13_content : Mass of 13C in Vegetation -->
-   <field id="CMIP6_c14Land"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2) total_land_c14 : Mass of 14C in all terrestrial carbon pools -->
-   <field id="CMIP6_c14Litter"     field_ref="dummy_XY"         /> <!-- P2 (kg m-2) litter_c14_content : Mass of 14C in Litter Pool -->
-   <field id="CMIP6_c14Soil"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2) soil_c14_content : Mass of 14C in Soil Pool -->
-   <field id="CMIP6_c14Veg"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2) vegetation_c14_content : Mass of 14C in Vegetation -->
-   <field id="CMIP6_c3PftFrac"     field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell  that is covered by C3 PFTs (including grass, crops, and trees). Warning: We will here take c3PftFrac from stomate_lpj but first it needs to be multiplied by contfrac in the code to be consistent with DR-->
-   <field id="CMIP6_c4PftFrac"     field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell  that is covered by C4 PFTs (including grass and crops). Warning: We will here take c4PftFrac from stomate_lpj but first it needs to be multiplied by contfrac in the code to be consistent with DR -->
-   <field id="CMIP6_cCwd"          field_ref="dummy_XY"         /> <!-- P1 (kg m-2) wood_debris_carbon_content : Carbon mass per unit area in woody debris (dead organic matter composed of coarse wood.  It is distinct from litter) Warning: variable not provided by ORCHIDEE.-->
-   <field id="CMIP6_cLand"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2) total_land_carbon : Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction. -->
-   <field id="CMIP6_cLeaf"         field_ref="cLeaf"            /> <!-- P1 (kg m-2) leaf_carbon_content : Carbon mass per unit area in leaves. -->
-   <field id="CMIP6_cLitter"       field_ref="cLitter"          /> <!-- P1 (kg m-2) litter_carbon_content : unset -->
-   <field id="CMIP6_cLitterAbove"  field_ref="cLitterAbove"     /> <!-- P1 (kg m-2) surface_litter_carbon_content : unset -->
-   <field id="CMIP6_cLitterBelow"  field_ref="cLitterBelow"     /> <!-- P1 (kg m-2) subsurface_litter_carbon_content : unset -->
-   <field id="CMIP6_cLitterCwd"    field_ref="dummy_XY"         /> <!-- P2 (kg m-2) litter_wood_debris_carbon_content : Carbon Mass in Coarse Woody Debris -->
-   <field id="CMIP6_cLitterGrass"  field_ref="dummy_XY"         /> <!-- P2 (kg m-2) litter_carbon_content : Carbon mass in litter on grass tiles -->
-   <field id="CMIP6_cLitterLut"    field_ref="dummy_XY"         /> <!-- P1 (kg m-2) litter_carbon_content : end of year values (not annual mean) -->
-   <field id="CMIP6_cLitterShrub"  field_ref="dummy_XY"         /> <!-- P2 (kg m-2) litter_carbon_content : Carbon mass in litter on shrub tiles -->
-   <field id="CMIP6_cLitterSubSurf" field_ref="dummy_XY"         /> <!-- P2 (kg m-2) subsurface_litter_carbon_content : sub-surface litter pool fed by root inputs. -->
-   <field id="CMIP6_cLitterSurf"   field_ref="dummy_XY"         /> <!-- P2 (kg m-2) surface_litter_carbon_content : Surface or near-surface litter pool fed by leaf and above-ground litterfall -->
-   <field id="CMIP6_cLitterTree"   field_ref="dummy_XY"         /> <!-- P2 (kg m-2) litter_carbon_content : Carbon mass in litter on tree tiles -->
-   <field id="CMIP6_cMisc"         field_ref="cMisc"            /> <!-- P2 (kg m-2) miscellaneous_living_matter_carbon_content : e.g., labile, fruits, reserves, etc. -->
-   <field id="CMIP6_cOther"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2) other_vegegtation_components_carbon_content : E.g. fruits, seeds, etc. -->
-   <field id="CMIP6_cProduct"      field_ref="cProduct"         /> <!-- P1 (kg m-2) carbon_content_of_products_of_anthropogenic_land_use_change : Carbon mass per unit area in that has been removed from the environment through  land use change. -->
-   <field id="CMIP6_cProductLut"   field_ref="dummy_XY"         /> <!-- P1 (kg m-2) carbon_content_in_wood_and_agricultural_products : anthropogenic pools associated with land use tiles into which harvests and cleared carbon are deposited before release into atmosphere PLUS any remaining anthropogenic pools that may be associated with lands which were converted into land use tiles during reported period . Does NOT include residue which is deposited into soil or litter; end of year values (not annual mean) -->
-   <field id="CMIP6_cRoot"         field_ref="cRoot"            /> <!-- P1 (kg m-2) root_carbon_content : Carbon mass per unit area in roots, including fine and coarse roots. -->
-   <field id="CMIP6_cSoil"         field_ref="cSoil"            /> <!-- P1 (kg m-2) soil_carbon_content : Carbon mass in the full depth of the soil model. -->
-   <field id="CMIP6_cSoilAbove1m"  field_ref="dummy_XY"         /> <!-- P1 (kg m-2) soil_carbon_content_above_1m_depth : Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction. -->
-   <field id="CMIP6_cSoilBelow1m"  field_ref="dummy_XY"         /> <!-- P1 (kg m-2) soil_carbon_content_below_1m_depth : Carbon Mass in Soil Pool below 1m Depth -->
-   <field id="CMIP6_cSoilFast"     field_ref="cSoilFast"        /> <!-- P1 (kg m-2) fast_soil_pool_carbon_content : Carbon mass per unit area in fast soil pool. Fast means a lifetime of less than 10 years for reference climate conditions (20th century) in the absence of water limitations. -->
-   <field id="CMIP6_cSoilGrass"    field_ref="dummy_XY"         /> <!-- P2 (kg m-2) soil_carbon_content : Carbon mass in soil on grass tiles -->
-   <field id="CMIP6_cSoilLevels"   field_ref="dummy_XY"         /> <!-- P2 (kg m-2) soil_carbon_content_on_model_levels : for models with vertically discretised soil carbon, report total soil carbon for each level -->
-   <field id="CMIP6_cSoilLut"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2) soil_carbon_content : end of year values (not annual mean) -->
-   <field id="CMIP6_cSoilMedium"   field_ref="cSoilMedium"      /> <!-- P1 (kg m-2) medium_soil_pool_carbon_content : Carbon mass per unit area in medium (rate) soil pool. Medium means a lifetime of more than than 10 years and less than 100 years for reference climate conditions (20th century) in the absence of water limitations. -->
-   <field id="CMIP6_cSoilPools"    field_ref="dummy_XY"         /> <!-- P2 (kg m-2) soil_carbon_content_by_pool : for models with multiple soil carbon pools, report each pool here. If models also have vertical discretaisation these should be aggregated -->
-   <field id="CMIP6_cSoilShrub"    field_ref="dummy_XY"         /> <!-- P2 (kg m-2) soil_carbon_content : Carbon mass in soil on shrub tiles -->
-   <field id="CMIP6_cSoilSlow"     field_ref="cSoilSlow"        /> <!-- P1 (kg m-2) slow_soil_pool_carbon_content : Carbon mass per unit area in slow soil pool. Slow means a lifetime of more than 100 years for reference climate (20th century) in the absence of water limitations. -->
-   <field id="CMIP6_cSoilTree"     field_ref="dummy_XY"         /> <!-- P2 (kg m-2) soil_carbon_content : Carbon mass in soil on tree tiles -->
-   <field id="CMIP6_cStem"         field_ref="dummy_XY"         /> <!-- P2 (kg m-2) stem_carbon_content : including sapwood and hardwood. -->
-   <field id="CMIP6_cTotFireLut"   field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) missing : Different from LMON this flux should include all fires occurring on the land use tile, including natural, man-made and deforestation fires -->
-   <field id="CMIP6_cVeg"          field_ref="cVeg"             /> <!-- P1 (kg m-2) vegetation_carbon_content : Carbon mass per unit area in vegetation. -->
-   <field id="CMIP6_cVegGrass"     field_ref="dummy_XY"         /> <!-- P2 (kg m-2) vegetation_carbon_content : Carbon mass in vegetation on grass tiles -->
-   <field id="CMIP6_cVegLut"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2) vegetation_carbon_content : end of year values (not annual mean) -->
-   <field id="CMIP6_cVegShrub"     field_ref="dummy_XY"         /> <!-- P2 (kg m-2) vegetation_carbon_content : Carbon mass in vegetation on shrub tiles -->
-   <field id="CMIP6_cVegTree"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2) vegetation_carbon_content : Carbon mass in vegetation on tree tiles -->
-   <field id="CMIP6_cWood"         field_ref="cWood"            /> <!-- P2 (kg m-2) wood_carbon_content : Carbon mass per unit area in wood, including sapwood and hardwood. -->
-   <field id="CMIP6_clayfrac"      field_ref="dummy_XYSo"       /> <!-- P1 (1.0) volume_fraction_of_clay_in_soil : Clay Fraction -->
-   <field id="CMIP6_cnc"           field_ref="dummy_XY"         /> <!-- P1 (%) vegetation_area_fraction : Canopy covered area percentage Warning: shall we take vegFrac or SUM(veget(2:))*100*contrfac ? -->
-   <field id="CMIP6_cropFrac"      field_ref="cropFrac"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell  that is covered by crop. Warning: Note: Multiplied in sechiba by contfrac because we need entire grid-cell-->
-   <field id="CMIP6_cropFracC3"    field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell covered by C3 crops -->
-   <field id="CMIP6_cropFracC4"    field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell covered by C4 crops -->
-   <field id="CMIP6_cw"            field_ref="qsintveg_tot"     /> <!-- P1 (kg m-2) canopy_water_amount : Total Canopy Water Storage -->
-   <field id="CMIP6_dcw"           field_ref="delintercept"     /> <!-- P1 (kg m-2) change_over_time_in_canopy_water_amount : Change in Interception Storage -->
-   <field id="CMIP6_dfr"           field_ref="dummy_XY"         /> <!-- P1 (m) depth_of_frozen_soil : Depth from surface to the first zero degree isotherm. Above this isotherm T < 0o, and below this line T > 0o. -->
-   <field id="CMIP6_dgw"           field_ref="delslowr"         /> <!-- P1 (kg m-2) change_over_time_in_groundwater : Change in Groundwater Warning: It can be either undef or delslowr. We take the second option for the moment. -->
-   <field id="CMIP6_dmlt"          field_ref="dummy_XY"         /> <!-- P1 (m) depth_of_subsurface_melting : Depth from surface to the zero degree isotherm. Above this isotherm T > 0o, and below this line T < 0o. -->
-   <field id="CMIP6_drivw"         field_ref="delriv"           /> <!-- P1 (kg m-2) change_over_time_in_river_water_amount : Change in River Storage Warning: we sum the stream and fast reservoir of the routing scheme. -->
-   <field id="CMIP6_dslw"          field_ref="delsoilmoist"     /> <!-- P1 (kg m-2) change_over_time_in_water_content_of_soil_layer : Change in soil moisture -->
-   <field id="CMIP6_dsn"           field_ref="delswe"           /> <!-- P1 (kg m-2) change_over_time_in_surface_snow_and_ice_amount : Change in snow water equivalent -->
-   <field id="CMIP6_dsw"           field_ref="delsurfwater"     /> <!-- P1 (kg m-2) change_over_time_in_surface_water_amount : Change in Surface Water Storage Warning: includes the fast reservoire-->
-   <field id="CMIP6_dtes"          field_ref="dummy_XY"         /> <!-- P1 (J m-2) change_over_time_in_thermal_energy_content_of_surface : Change in heat storage over the soil layer and the vegetation for which the energy balance is calculated, accumulated over the sampling time interval. -->
-   <field id="CMIP6_dtesn"         field_ref="del_snowheattot"  /> <!-- P1 (J m-2) change_over_time_in_thermal_energy_content_of_surface_snow_and_ice : Change in cold content over the snow layer for which the energy balance is calculated, accumulated over the sampling time interval. This should also include the energy contained in the liquid water in the snow pack.  Warning: Computed only for the layered scheme on vegetated and bare soil area -->
-   <field id="CMIP6_ec"            field_ref="evspsblveg"       /> <!-- P1 (kg m-2 s-1) liquid_water_evaporation_flux_from_canopy : Interception evaporation -->
-   <field id="CMIP6_eow"           field_ref="vevapflo"         /> <!-- P1 (kg m-2 s-1) liquid_water_evaporation_flux_from_open_water : Open Water Evaporation -->
-   <field id="CMIP6_es"            field_ref="vevapnu"          /> <!-- P1 (kg m-2 s-1) liquid_water_evaporation_flux_from_soil : Bare soil evaporation -->
-   <field id="CMIP6_esn"           field_ref="vevapsno"         /> <!-- P1 (kg m-2 s-1) liquid_water_evaporation_flux_from_surface_snow : Snow Evaporation -->
-   <field id="CMIP6_et"            field_ref="vevapp"           /> <!-- P1 (kg m-2 s-1) surface_evapotranspiration : Total Evapotranspiration -->
-   <field id="CMIP6_evspsblpot"    field_ref="evapot"           /> <!-- P1 (kg m-2 s-1) water_potential_evaporation_flux : at surface; potential flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation) -->
-   <field id="CMIP6_evspsblsoi"    field_ref="evspsblsoi"       /> <!-- P1 (kg m-2 s-1) water_evaporation_flux_from_soil : Water evaporation from soil (including sublimation). -->
-   <field id="CMIP6_evspsblveg"    field_ref="evspsblveg"       /> <!-- P1 (kg m-2 s-1) water_evaporation_flux_from_canopy : The canopy evaporation and sublimation (if present in model); may include dew formation as a negative flux.Warning: No sublimation here for Orchidee  -->
-   <field id="CMIP6_fAnthDisturb"  field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_anthrogpogenic_emission : will require some careful definition to make sure we capture everything - any human activity that releases carbon to the atmosphere instead of into product pool goes here. E.g. Deforestation fire, harvest assumed to decompose straight away, grazing... -->
-   <field id="CMIP6_fBNF"          field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) biological_nitrogen_fixation : biological nitrogen fixation -->
-   <field id="CMIP6_fCLandToOcean" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_ocean_from_rivers : leached carbon etc that goes into run off or river routing and finds its way into ocean should be reported here. -->
-   <field id="CMIP6_fDeforestToAtmos" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) surface_net_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_anthropogenic_land_use_change : When land use change results in deforestation of natural vegetation (trees or grasslands) then natural biomass is removed. The treatment of deforested biomass differs significantly across models, but it should be straight-forward to compare deforested biomass across models. -->
-   <field id="CMIP6_fDeforestToProduct" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) deforested_biomass_into_product_pool_due_to_anthorpogenic_land_use_change : When land use change results in deforestation of natural vegetation (trees or grasslands) then natural biomass is removed. The treatment of deforested biomass differs significantly across models, but it should be straight-forward to compare deforested biomass across models. -->
-   <field id="CMIP6_fFire"         field_ref="fFire"            /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_fires_excluding_anthropogenic_land_use_change : CO2 emissions (expressed as a carbon mass flux per unit area) from natural fires and human ignition fires as calculated by the fire module of the dynamic vegetation model, but excluding any CO2 flux from fire included in fLuc (CO2 Flux to Atmosphere from Land Use Change). -->
-   <field id="CMIP6_fFireAll"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) fire_CO2_emissions_from_all_sources : Only total fire emissions can be compared to observations. -->
-   <field id="CMIP6_fFireNat"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) fire_CO2_emissions_from_wildfire : CO2 emissions from natural fires -->
-   <field id="CMIP6_fGrazing"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_grazing : Carbon mass flux per unit area due to grazing on land Warning: variable not provided by ORCHIDEE.-->
-   <field id="CMIP6_fHarvest"      field_ref="fHarvest"         /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_crop_harvesting : Carbon mass flux per unit area due to crop harvesting -->
-   <field id="CMIP6_fHarvestToAtmos" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_crop_harvesting : any harvested carbon that is assumed to decompose immediately into the atmosphere is reported here -->
-   <field id="CMIP6_fHarvestToProduct" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) harvested_biomass_into_product_pool : be it food or wood harvest, any carbon that is subsequently stored is reported here -->
-   <field id="CMIP6_fLitterFire"   field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) fire_CO2_emissions_from_litter_carbon : Required for unambiguous separation of vegetation and soil + litter turnover times, since total fire flux draws from both sources -->
-   <field id="CMIP6_fLitterSoil"   field_ref="fLitterSoil"      /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_soil_from_litter : Carbon mass flux per unit area into soil from litter (dead plant material in or above the soil). -->
-   <field id="CMIP6_fLuc"          field_ref="fLuc"             /> <!-- P1 (kg m-2 s-1) surface_net_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_anthropogenic_land_use_change : Carbon mass flux per unit area into atmosphere due to human changes to land (excluding forest regrowth) accounting possibly for different time-scales related to fate of the wood, for example. -->
-   <field id="CMIP6_fLulccAtmLut"  field_ref="dummy_XY"         /> <!-- P1 (kg s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_direct_to_atmosphere_due_to_anthropogenic_land_use_land_cover_change : This annual mean flux refers to the transfer of carbon directly to the atmosphere due to any land-use or land-cover change activities.  Include carbon transferred due to deforestation or agricultural directly into atmosphere, and  emissions form anthropogenic pools into atmosphere -->
-   <field id="CMIP6_fLulccProductLut" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_wood_and_agricultural_product_pools_due_to_anthropogenic_land_use_or_land_cover_change : This annual mean flux refers to the transfer of carbon primarily through harvesting land use into anthropogenic product pools, e.g.,deforestation or wood harvestingfrom primary or secondary lands, food harvesting on croplands, harvesting (grazing) by animals on pastures. -->
-   <field id="CMIP6_fLulccResidueLut" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_soil_and_litter_due_to_anthropogenic_land_use_or_land_cover_change : This annual mean flux refers to the transfer of carbon into soil or litter pools due to any land use or land-cover change activities -->
-   <field id="CMIP6_fN2O"          field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) land_net_n2o_flux : Total land N2O flux -->
-   <field id="CMIP6_fNAnthDisturb" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) nitrogen_flux_into_atmos_due_to_direct_human_disturbance : will require some careful definition to make sure we capture everything - any human activity that releases nitrogen from land  instead of into product pool goes here. E.g. Deforestation fire, harvest assumed to decompose straight away, grazing... -->
-   <field id="CMIP6_fNLandToOcean" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) nitrogen_mass_flux_into_ocean_from_rivers : leached nitrogen etc that goes into run off or river routing and finds its way into ocean should be reported here. -->
-   <field id="CMIP6_fNLitterSoil"  field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) nitrogen_mass_flux_into_soil_from_litter : Total Nitrogen Mass Flux from Litter to Soil -->
-   <field id="CMIP6_fNOx"          field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) land_net_nox_flux : Total land NOx flux -->
-   <field id="CMIP6_fNProduct"     field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) nitrogen_mass_flux_to_product_pool_due_to_anthorpogenic_activity : When land use change results in deforestation of natural vegetation (trees or grasslands) then natural biomass is removed. The treatment of deforested biomass differs significantly across models, but it should be straight-forward to compare deforested biomass across models. -->
-   <field id="CMIP6_fNVegLitter"   field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) litter_nitrogen_flux : Total Nitrogen Mass Flux from Vegetation to Litter -->
-   <field id="CMIP6_fNVegSoil"     field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) nitrogen_mass_flux_into_soil_from_vegetation_excluding_litter : In some models part of nitrogen (e.g., root exudate) can go directly into the soil pool without entering litter. -->
-   <field id="CMIP6_fNdep"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) deposition_of_nitrogen_onto_land : Dry and Wet Deposition of Reactive Nitrogen onto Land -->
-   <field id="CMIP6_fNfert"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) fertiliser_of_nitrogen_onto_land : relative to total land area of a grid cell, not relative to agricultural area -->
-   <field id="CMIP6_fNgas"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) land_nitrogen_lost_to_atmosphere : Total Nitrogen lost to the atmosphere (sum of NHx, NOx, N2O, N2) -->
-   <field id="CMIP6_fNgasFire"     field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) land_nitrogen_lost_to_atmosphere_due_to_fire : Total N lost to the atmosphere (including NHx, NOx, N2O, N2) from fire. -->
-   <field id="CMIP6_fNgasNonFire"  field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) land_nitrogen_lost_to_atmosphere_not_due_to_fire : Total N lost to the atmosphere (including NHx, NOx, N2O, N2) from all processes except fire. -->
-   <field id="CMIP6_fNleach"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) land_nitrogen_lost_to_leaching : Total N loss to leaching or runoff (sum of ammonium, nitrite and nitrate) -->
-   <field id="CMIP6_fNloss"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) land_nitrogen_lost : Not all models split losses into gasesous and leaching -->
-   <field id="CMIP6_fNnetmin"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) net_nitrogen_mineralisation : Net nitrogen release from soil and litter as the outcome of nitrogen immobilisation and gross mineralisation -->
-   <field id="CMIP6_fNup"          field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) plant_nitrogen_uptake : total plant nitrogen uptake (sum of ammonium and nitrate), irrespective of the source of nitrogen -->
-   <field id="CMIP6_fProductDecomp" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) Carbon_flux_out_of_storage_product_pools_into_atmos : Decomposition out of Product Pools to CO2 in Atmosphere -->
-   <field id="CMIP6_fProductDecompLut" field_ref="dummy_XY"         /> <!-- P1 (kg s-1) tendency_of_atmospheric_mass_content_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_wood_and_agricultural_product_pool : If  a model has explicit anthropogenic product pools by land use tile -->
-   <field id="CMIP6_fVegFire"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) fire_CO2_emissions_from_vegetation_carbon : Required for unambiguous separation of vegetation and soil + litter turnover times, since total fire flux draws from both sources -->
-   <field id="CMIP6_fVegLitter"    field_ref="fVegLitter"       /> <!-- P1 (kg m-2 s-1) litter_carbon_flux : unset -->
-   <field id="CMIP6_fVegLitterMortality" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) mortality_litter_carbon_flux : needed to separate changing vegetation C turnover times resulting from changing allocation versus changing mortality -->
-   <field id="CMIP6_fVegLitterSenescence" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) senescence_litter_carbon_flux : needed to separate changing vegetation C turnover times resulting from changing allocation versus changing mortality -->
-   <field id="CMIP6_fVegSoil"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_soil_from_vegetation_excluding_litter : Carbon mass flux per unit area from vegetation directly into soil, without intermediate conversion to litter.  Warning: variable not provided by ORCHIDEE.-->
-   <field id="CMIP6_fVegSoilMortality" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) mortality_vegtosoil_carbon_flux : needed to separate changing vegetation C turnover times resulting from changing allocation versus changing mortality -->
-   <field id="CMIP6_fVegSoilSenescence" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) senescence_vegtosoil_carbon_flux : needed to separate changing vegetation C turnover times resulting from changing allocation versus changing mortality -->
-   <field id="CMIP6_fahLut"        field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_upward_heat_flux_due_to_anthropogenic_energy_consumption : Anthropogenic heat flux generated from non-renewable human primary energy consumption, including energy use by vehicles, commercial and residential buildings, industry, and power plants.  Primary energy refers to energy in natural resources, fossil and nonfossil, before conversion into other forms, such as electricity. -->
-   <field id="CMIP6_fldcapacity"   field_ref="dummy_XYSo"       /> <!-- P1 (%) missing : Field Capacity Warning: AD will do it in link with SPMIP -->
-   <field id="CMIP6_fracInLut"     field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : cumulative fractional transitions over the year; note that fraction should be reported as fraction of atmospheric grid cell -->
-   <field id="CMIP6_fracLut"       field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : end of year values (not annual mean); note that fraction should be reported as fraction of land grid cell (example: frac_lnd = 0.5, frac_ocn = 0.5, frac_crop_lnd = 0.2 (of land portion of grid cell), then frac_lut(crop) = 0.5*0.2 = 0.1) -->
-   <field id="CMIP6_fracOutLut"    field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : cumulative fractional transitions over the year; note that fraction should be reported as fraction of atmospheric grid cell -->
-   <field id="CMIP6_gpp"           field_ref="gpp_ipcc2"        /> <!-- P1 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : unset Warning: gpp_ipcc and GPP to be deleted in ORCHIDEE stompate_lpj because duplications.  -->
-   <field id="CMIP6_gppGrass"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : Total GPP of grass in the gridcell -->
-   <field id="CMIP6_gppLut"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : gross primary productivity on land use tile -->
-   <field id="CMIP6_gppShrub"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : Total GPP of shrubs in the gridcell -->
-   <field id="CMIP6_gppTree"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : Total GPP of trees in the gridcell -->
-   <field id="CMIP6_gppc13"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_c13 : Mass Flux of 13C out of Atmosphere due to Gross Primary Production on Land -->
-   <field id="CMIP6_gppc14"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_c14 : Mass Flux of 14C out of Atmosphere due to Gross Primary Production on Land -->
-   <field id="CMIP6_grassFrac"     field_ref="grassFrac"        /> <!-- P1 (%) area_fraction : Percentage of entire grid cell that is covered by natural grass. -->
-   <field id="CMIP6_grassFracC3"   field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Fraction of entire grid cell covered by C3 grass. -->
-   <field id="CMIP6_grassFracC4"   field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Fraction of entire grid cell covered by C4 grass. -->
-   <field id="CMIP6_hfdsn"         field_ref="snowflxtot"       /> <!-- P1 (W m-2) surface_downward_heat_flux_in_snow : the net downward heat flux from the atmosphere into the snow that lies on land divided by the land area in the grid cell; reported as 0.0 for snow-free land regions or where the land fraction is 0. -->
-   <field id="CMIP6_hflsLut"       field_ref="fluxlat"          /> <!-- P1 (W m-2) surface_upward_latent_heat_flux : latent heat flux on land use tile Warning: 'land use tile' seems to be all PFTs and no nobio, but fluxlat is for the whole grid cell. -->
-   <field id="CMIP6_hfssLut"       field_ref="fluxsens"         /> <!-- P1 (W m-2) surface_upward_sensible_heat_flux : sensible heat flux on land use tile Warning: 'land use tile' seems to be all PFTs and no nobio, but fluxsens is for the whole grid cell. -->
-   <field id="CMIP6_hussLut"       field_ref="q2m"              /> <!-- P1 (1.0) specific_humidity : Normally, the specific humidity should be reported at the 2 meter height -->
-   <field id="CMIP6_irrLut"        field_ref="dummy_XY"         /> <!-- P1 (kg s-1) surface_downward_water_flux_due_to_irrigation : Irrigation flux including any irrigation for crops, trees, pasture, or urban lawns -->
-   <field id="CMIP6_ksat"          field_ref="ksat"             /> <!-- P1 (1e-6 m s-1) missing : Saturated Hydraulic Conductivity -->
-   <field id="CMIP6_lai"           field_ref="lai_ipcc"         /> <!-- P1 (1.0) leaf_area_index : Leaf Area Index  Warning: here we take the average over the entire land fraction; not sure it's ok with the DataRequest comment "a ratio obtained by dividing the total upper leaf surface area of vegetation by the (horizontal) surface area of the land on which it grows." PC+JG : lai_ipcc and laimean are related to the same land fraction(note veget_max in stomate_lpj is not the same veget_max in sechiba!). We see other differencies between these output variables coming mainly from pft3 and some from 6,8,9,12. -->
-   <field id="CMIP6_laiLut"        field_ref="dummy_XY"         /> <!-- P1 (1.0) missing : Note that if tile does not model lai, for example, on the urban tile, then should be reported as missing value -->
-   <field id="CMIP6_landCoverFrac" field_ref="landCoverFrac"    /> <!-- P1 (%) area_fraction : Percentage of grid cell area occupied by different model vegetation/land cover categories. The categories may differ from model to model, depending on each model's subgrid land cover category definitions. Categories may include natural vegetation, anthropogenic vegetation, bare soil, lakes, urban areas, glaciers, etc. Sum of all should equal the fraction of the grid-cell that is land. Warning: Note: here not multiplying by contfrac according to DR -->
-   <field id="CMIP6_lwsnl"         field_ref="snowliqtot"       /> <!-- P1 (kg m-2) liquid_water_content_of_snow_layer : The total mass of liquid water contained interstitially within the whole depth of the snow layer of the land portion of a grid cell divided by the area of the land portion of the cell.  Warning: Computed only for the layered scheme on vegetated and bare soil area. Warning: Does the mention 'divided by the area of the land portion of the cell' means we have to multiply by contfrac? -->
-   <field id="CMIP6_mrfso"         field_ref="humtot_frozen"    /> <!-- P1 (kg m-2) soil_frozen_water_content : The mass per unit area (summed over all model layers) of frozen water.  Warning: To be calculated. -->
-   <field id="CMIP6_mrfsofr"       field_ref="profil_froz_hydro"/> <!-- P1 (1.0) mass_fraction_of_frozen_water_in_soil_moisture : Fraction of soil moisture mass in the solid phase in each user-defined soil layer (3D variable) -->
-   <field id="CMIP6_mrlqso"        field_ref="profil_liquid_hydro"    /> <!-- P1 (1.0) mass_fraction_of_unfrozen_water_in_soil_moisture : Fraction of soil moisture mass in the liquid phase in each user-defined soil layer (3D variable) -->
-   <field id="CMIP6_mrlso"         field_ref="humtot_liquid"    /> <!-- P1 (kg m-2) soil_liquid_water_content : the mass (summed over all all layers) of liquid water. -->
-   <field id="CMIP6_mrro"          field_ref="mrro"             /> <!-- P1 (kg m-2 s-1) runoff_flux : The total run-off (including drainage through the base of the soil model) per unit area leaving the land portion of the grid cell. -->
-   <field id="CMIP6_mrroLut"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) runoff_flux : the total runoff (including "drainage" through the base of the soil model) leaving the land use tile portion of the grid cell -->
-   <field id="CMIP6_mrrob"         field_ref="drainage"         /> <!-- P1 (kg m-2 s-1) subsurface_runoff_flux : Subsurface runoff -->
-   <field id="CMIP6_mrros"         field_ref="runoff"           /> <!-- P1 (kg m-2 s-1) surface_runoff_flux : The total surface run off leaving the land portion of the grid cell (excluding drainage through the base of the soil model). -->
-   <field id="CMIP6_mrsfl"         field_ref="soilmoist_frozen" /> <!-- P1 (kg m-2) frozen_moisture_content_of_soil_layer : in each soil layer, the mass of water in ice phase.  Reported as "missing" for grid cells occupied entirely by "sea" -->
-   <field id="CMIP6_mrsll"         field_ref="soilmoist_liquid" /> <!-- P1 (kg m-2) liquid_moisture_content_of_soil_layer : in each soil layer, the mass of water in liquid phase.  Reported as "missing" for grid cells occupied entirely by "sea" -->
-   <field id="CMIP6_mrso"          field_ref="humtot"           /> <!-- P1 (kg m-2) soil_moisture_content : the mass per unit area  (summed over all soil layers) of water in all phases. -->
-   <field id="CMIP6_mrsoLut"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2) soil_moisture_content : Total soil moisture -->
-   <field id="CMIP6_mrsofc"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2) soil_moisture_content_at_field_capacity : The bulk water content retained by the soil at -33 J/kg of suction pressure, expressed as mass per unit land area; report as missing where there is no land  Warning: AD will do it in link with SPMIP" -->
-   <field id="CMIP6_mrsol"         field_ref="soilmoist"        /> <!-- P1 (kg m-2) moisture_content_of_soil_layer : in each soil layer, the mass of water in all phases, including ice.  Reported as "missing" for grid cells occupied entirely by "sea" -->
-   <field id="CMIP6_mrsos"         field_ref="humtot_top"       /> <!-- P1 (kg m-2) moisture_content_of_soil_layer : The mass of water in all phases in the upper 10cm of the  soil layer. -->
-   <field id="CMIP6_mrsosLut"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2) moisture_content_of_soil_layer : the mass of water in all phases in a thin surface layer; integrate over uppermost 10cm -->
-   <field id="CMIP6_mrsow"         field_ref="mrsow"            /> <!-- P1 (1.0) volume_fraction_of_condensed_water_in_soil_at_field_capacity : Vertically integrated soil moisture divided by maximum allowable soil moisture above wilting point. Warning: weird mention to field capacity in the description, overlooked.  -->
-   <field id="CMIP6_mrtws"         field_ref="tws"              /> <!-- P2 (kg m-2) total_water_storage : Mass of water in all phases and in all components including soil, canopy, vegetation, ice sheets, rivers and ground water. Warning: this seems to be a duplication of CMIP6_tws  -->
-   <field id="CMIP6_nLand"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2) total_land_nitrogen : Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction. -->
-   <field id="CMIP6_nLeaf"         field_ref="dummy_XY"         /> <!-- P2 (kg m-2) leaf_nitrogen_content : Nitrogen Mass in Leaves -->
-   <field id="CMIP6_nLitter"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2) litter_nitrogen_content : Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction. -->
-   <field id="CMIP6_nLitterCwd"    field_ref="dummy_XY"         /> <!-- P2 (kg m-2) litter_wood_debris_nitrogen_content : Nitrogen Mass in Coarse Woody Debris -->
-   <field id="CMIP6_nLitterSubSurf" field_ref="dummy_XY"         /> <!-- P2 (kg m-2) subsurface_litter_nitrogen_content : Nitrogen Mass in below ground litter (non CWD) -->
-   <field id="CMIP6_nLitterSurf"   field_ref="dummy_XY"         /> <!-- P2 (kg m-2) surface_litter_nitrogen_content : Nitrogen Mass in above ground litter (non CWD) -->
-   <field id="CMIP6_nMineral"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2) mineral_soil_nitrogen_content : SUM of ammonium, nitrite, nitrate, etc over all soil layers -->
-   <field id="CMIP6_nMineralNH4"   field_ref="dummy_XY"         /> <!-- P2 (kg m-2) mineral_nh4_soil_nitrogen_content : SUM of ammonium over all soil layers -->
-   <field id="CMIP6_nMineralNO3"   field_ref="dummy_XY"         /> <!-- P2 (kg m-2) mineral_no3_soil_nitrogen_content : SUM of nitrate over all soil layers -->
-   <field id="CMIP6_nOther"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2) other_vegegtation_components_nitrogen_content : E.g. fruits, seeds, etc. -->
-   <field id="CMIP6_nProduct"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2) nitrogen_content_of_products_of_anthropogenic_land_use_change : Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction. -->
-   <field id="CMIP6_nRoot"         field_ref="dummy_XY"         /> <!-- P2 (kg m-2) root_nitrogen_content : including fine and coarse roots. -->
-   <field id="CMIP6_nSoil"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2) soil_nitrogen_content : Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction. -->
-   <field id="CMIP6_nStem"         field_ref="dummy_XY"         /> <!-- P2 (kg m-2) stem_nitrogen_content : including sapwood and hardwood. -->
-   <field id="CMIP6_nVeg"          field_ref="dummy_XY"         /> <!-- P1 (kg m-2) vegetation_nitrogen_content : Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction. -->
-   <field id="CMIP6_nbp"           field_ref="nbp"              /> <!-- P1 (kg m-2 s-1) surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes : This is the net mass flux of carbon from atmosphere into land, calculated as photosynthesis MINUS the sum of  plant and soil respiration, carbon fluxes from fire, harvest, grazing  and land use change. Positive flux is into the land. -->
-   <field id="CMIP6_necbLut"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes : Computed as npp minus heterotrophic respiration minus fire minus C leaching minus harvesting/clearing. Positive rate is into the land, negative rate is from the land.  Do not include fluxes from anthropogenic product pools to atmosphere -->
-   <field id="CMIP6_nep"           field_ref="nep"              /> <!-- P1 (kg m-2 s-1) surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes_excluding_anthropogenic_land_use_change : Natural flux of CO2 (expressed as a mass flux of carbon) from the atmosphere to the land calculated as the difference between uptake associated will photosynthesis and the release of CO2 from the sum of plant and soil respiration and fire.  Positive flux is into the land.  emissions from natural fires and human ignition fires as calculated by the fire module of the dynamic vegetation model, but excluding any CO2 flux from fire included in fLuc (CO2 Flux to Atmosphere from Land Use Change). -->
-   <field id="CMIP6_netAtmosLandC13Flux" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) net_atmos_to_land_C13_flux : Net Mass Flux of 13C between atmosphere and land (positive into land) as a result of all processes. -->
-   <field id="CMIP6_netAtmosLandC14Flux" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) net_atmos_to_land_C14_flux : Net Mass Flux of 14C between atmosphere and land (positive into land) as a result of all processes. -->
-   <field id="CMIP6_netAtmosLandCO2Flux" field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes : This flux should be reproducible by differencing the sum of all carbon pools (cVeg, cLitter, cSoil, and cProducts or equivalently cLand) from one time step to the next, except in the case of lateral transfer of carbon due to harvest, riverine transport of dissolved organic and/or inorganic carbon, or any other process (in which case the lateral_carbon_transfer_over_land term, see below, will be zero data). -->
-   <field id="CMIP6_npp"           field_ref="npp_ipcc"         /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : unset -->
-   <field id="CMIP6_nppGrass"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : Total NPP of grass in the gridcell -->
-   <field id="CMIP6_nppLeaf"       field_ref="nppLeaf"          /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_carbon_accumulated_in_leaves : This is the rate of carbon uptake by leaves due to NPP -->
-   <field id="CMIP6_nppLut"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : net primary productivity on land use tile -->
-   <field id="CMIP6_nppOther"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) net_primary_production_allocated_to_other : added for completeness with npp_root -->
-   <field id="CMIP6_nppRoot"       field_ref="nppRoot"          /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_carbon_accumulated_in_roots : This is the rate of carbon uptake by roots due to NPP -->
-   <field id="CMIP6_nppShrub"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : Total NPP of shrubs in the gridcell -->
-   <field id="CMIP6_nppStem"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) net_primary_production_allocated_to_stem : added for completeness with npp_root -->
-   <field id="CMIP6_nppTree"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : Total NPP of trees in the gridcell -->
-   <field id="CMIP6_nppWood"       field_ref="nppWood"          /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_carbon_accumulated_in_wood : This is the rate of carbon uptake by wood due to NPP -->
-   <field id="CMIP6_nudgincsm"     field_ref="nudgincsm"        /> <!-- P1 (kg m-2) nudging_increment_in_water_content_of_soil_layer : Nudging Increment of Water in Soil Moisture -->
-   <field id="CMIP6_nudgincswe"    field_ref="nudgincswe"       /> <!-- P1 (kg m-2) nudging_increment_in_surface_snow_and_ice_amount : Nudging Increment of Water in Snow -->
-   <field id="CMIP6_nwdFracLut"    field_ref="dummy_XY"         /> <!-- P1 (1) missing : fraction of land use tile tile that is non-woody vegetation ( e.g. herbaceous crops) -->
-   <field id="CMIP6_orog"          field_ref="dummy_XY"         /> <!-- P1 (m) surface_altitude : The surface called "surface" means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level. -->
-   <field id="CMIP6_pastureFrac"   field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell  that is covered by anthropogenic pasture. Warning: variable not provided by ORCHIDEE.  -->
-   <field id="CMIP6_pastureFracC3" field_ref="dummy_XY"         /> <!-- P2 (%) area_fraction : Percentage of entire grid cell covered by C3 pasture Warning: variable not provided by ORCHIDEE. -->
-   <field id="CMIP6_pastureFracC4" field_ref="dummy_XY"         /> <!-- P2 (%) area_fraction : Percentage of entire grid cell covered by C4 pasture Warning: variable not provided by ORCHIDEE. -->
-   <field id="CMIP6_pflw"          field_ref="dummy_XY"         /> <!-- P3 (kg m-2) liquid_water_content_of_permafrost_layer : *where land over land*, i.e., this is the total mass of liquid water contained within the permafrost layer within the land portion of a grid cell divided by the area of the land portion of the cell. -->
-   <field id="CMIP6_prveg"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) precipitation_flux_onto_canopy : The precipitation flux that is intercepted by the vegetation canopy (if present in model) before reaching the ground. -->
-   <field id="CMIP6_qgwr"          field_ref="drainage"         /> <!-- P1 (kg m-2 s-1) water_flux_from_soil_layer_to_groundwater : Groundwater recharge from soil layer  Warning: It can be either undef or drainage. We take the second option for the moment.  -->
-   <field id="CMIP6_rGrowth"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_upward_carbon_mass_flux_due_to_plant_respiration_for_biomass_growth : unset Warning: to be consistent with ra forumlation and output freq -->
-   <field id="CMIP6_rMaint"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_upward_carbon_mass_flux_due_to_plant_respiration_for_biomass_maintenance : unset Warning: to be consistent with ra forumlation and output freq -->
-   <field id="CMIP6_ra"            field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) plant_respiration_carbon_flux : Carbon mass flux per unit area into atmosphere due to autotrophic respiration on land (respiration by producers) [see rh for heterotrophic production] Warning:  Issue with duplicated variables resp_maint, resp_growth from sechiba and stomate but they are calculated differently. We here need the sechiba variable for 3h freq output. -->
-   <field id="CMIP6_raGrass"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) plant_respiration_carbon_flux : Total RA of grass in the gridcell -->
-   <field id="CMIP6_raLeaf"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) autotrophic_respiration_from_leaves : added for completeness with Ra_root -->
-   <field id="CMIP6_raLut"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) plant_respiration_carbon_flux : plant respiration on land use tile -->
-   <field id="CMIP6_raOther"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) autotrophic_respiration : added for completeness with Ra_root -->
-   <field id="CMIP6_raRoot"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) autotrophic_respiration_from_roots : Total autotrophic respiration from all belowground plant parts.  This has benchmarking value because the sum of Rh and root respiration can be compared to observations of total soil respiration. -->
-   <field id="CMIP6_raShrub"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) plant_respiration_carbon_flux : Total RA of shrubs in the gridcell -->
-   <field id="CMIP6_raStem"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) autotrophic_respiration_from_stem : added for completeness with Ra_root -->
-   <field id="CMIP6_raTree"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) plant_respiration_carbon_flux : Total RA of trees in the gridcell -->
-   <field id="CMIP6_rac13"         field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) plant_respiration_c13_flux : Mass Flux of 13C into Atmosphere due to Autotrophic (Plant) Respiration on Land -->
-   <field id="CMIP6_rac14"         field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) plant_respiration_c14_flux : Mass Flux of 14C into Atmosphere due to Autotrophic (Plant) Respiration on Land -->
-   <field id="CMIP6_residualFrac"  field_ref="residualFrac"     /> <!-- P1 (%) area_fraction : Percentage of entire grid cell  that is land and is covered by  neither vegetation nor bare-soil (e.g., urban, ice, lakes, etc.) -->
-   <field id="CMIP6_rh"            field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : Carbon mass flux per unit area into atmosphere due to heterotrophic respiration on land (respiration by consumers) Warning:  Issue with duplicated variables resp_hetero from sechiba and stomate but they are calculated differently. We here need the sechiba variable for 3h freq output. -->
-   <field id="CMIP6_rhGrass"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : Total RH of grass in the gridcell -->
-   <field id="CMIP6_rhLitter"      field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux_from_litter : Needed to calculate litter bulk turnover time. Includes respiration from CWD as well. -->
-   <field id="CMIP6_rhLut"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : soil heterotrophic respiration on land use tile -->
-   <field id="CMIP6_rhShrub"       field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : Total RH of shrubs in the gridcell -->
-   <field id="CMIP6_rhSoil"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux_from_soil : Needed to calculate soil bulk turnover time -->
-   <field id="CMIP6_rhTree"        field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : Total RH of trees in the gridcell -->
-   <field id="CMIP6_rhc13"         field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_c13_flux : Mass Flux of 13C into Atmosphere due to Heterotrophic Respiration on Land -->
-   <field id="CMIP6_rhc14"         field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_c14_flux : Mass Flux of 14C into Atmosphere due to Heterotrophic Respiration on Land -->
-   <field id="CMIP6_rivi"          field_ref="dummy_XY"         /> <!-- P1 (m3 s-1) water_flux_from_upstream : Inflow of River Water into Cell  Warning: Orchidee will not output this variable. -->
-   <field id="CMIP6_rivo"          field_ref="hydrographs"      /> <!-- P1 (m3 s-1) water_flux_to_downstream : Outflow of River Water from Cell -->
-   <field id="CMIP6_rlusLut"       field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_upwelling_longwave_flux_in_air : Surface Upwelling Longwave on Land Use Tile -->
-   <field id="CMIP6_rootd"         field_ref="zmaxh"            /> <!-- P1 (m) root_depth : report the maximum soil depth reachable by plant roots (if defined in model), i.e., the maximum soil depth from which they can extract moisture; report as *missing* where the land fraction is 0. -->
-   <field id="CMIP6_rootdsl"       field_ref="nroot"            /> <!-- P1 (kg m-3) missing : Root Distribution Warning: It's a relative root density per layer in Orchidee with no dimension.  -->
-   <field id="CMIP6_rsusLut"       field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_upwelling_shortwave_flux_in_air : Surface Upwelling Shortwave  on Land Use Tile -->
-   <field id="CMIP6_rzwc"          field_ref="humtot"           /> <!-- P1 (kg m-2) water_content_of_root_zone : Root zone soil moisture -->
-   <field id="CMIP6_sandfrac"      field_ref="dummy_XYSo"       /> <!-- P1 (1.0) missing : Sand Fraction -->
-   <field id="CMIP6_sftgif"        field_ref="dummy_XY"         /> <!-- P1 (%) land_ice_area_fraction : Fraction of grid cell covered by land ice (ice sheet, ice shelf, ice cap, glacier) -->
-   <field id="CMIP6_shrubFrac"     field_ref="dummy_XY"         /> <!-- P2 (%) area_fraction : Percentage of entire grid cell  that is covered by shrub. Warning: variable not provided by ORCHIDEE. -->
-   <field id="CMIP6_slthick"       field_ref="dlh"              /> <!-- P1 (m) missing : Thickness of Soil Layers -->
-   <field id="CMIP6_snc"           field_ref="frac_snow"        /> <!-- P1 (%) surface_snow_area_fraction : Fraction of each grid cell that is occupied by snow that rests on land portion of cell. -->
-   <field id="CMIP6_snd"           field_ref="snowdepth"         /> <!-- P1 (m) surface_snow_thickness : where land over land, this is computed as the mean thickness of snow in the land portion of the grid cell (averaging over the entire land portion, including the snow-free fraction).  Reported as 0.0 where the land fraction is 0. Warning: Computed and weigthed only for the layered scheme on vegetated and bare soil area. -->
-   <field id="CMIP6_snm_land"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_snow_melt_flux : The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land. Warning: Does the mention 'divided by the area of the land portion of the cell' means we have to multiply by contfrac? totmelt ? -->
-   <field id="CMIP6_snw"           field_ref="dummy_XY"         /> <!-- P3 (kg m-2) surface_snow_amount : The mass of surface snow on the land portion of the grid cell divided by the land area in the grid cell; reported as missing where the land fraction is 0; excludes snow on vegetation canopy or on sea ice.  Warning: This field is the same as the one above: CMIP6_snw. snow ? -->
-   <field id="CMIP6_sootsn"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2) soot_content_of_surface_snow : the entire land portion of the grid cell is considered, with snow soot content set to 0.0 in regions free of snow. Warning: not computed because the process is not present in ORCHIDEE. -->
-   <field id="CMIP6_sw"            field_ref="surfwater"        /> <!-- P1 (kg m-2) surface_water_amount_assuming_no_snow : Total liquid water storage, other than soil, snow or interception storage (i.e. lakes, river channel or depression storage). Warning: includes the fast reservoire   -->
-   <field id="CMIP6_sweLut"        field_ref="dummy_XY"         /> <!-- P1 (m) missing : snow water equivalent on land use tile  Warning: 'land use tile' seems to be all PFTs and no nobio. -->
-   <field id="CMIP6_tSoilPools"    field_ref="dummy_XY"         /> <!-- P2 (s-1) soil_carbon_turnover_rate_by_pool : defined as 1/(turnover time) for each soil pool. Use the same pools reported under cSoilPools -->
-   <field id="CMIP6_tasLut"        field_ref="dummy_XY"         /> <!-- P1 (K) air_temperature : near-surface air temperature (2m above displacement height, i.e. t_ref) on land use tile -->
-   <field id="CMIP6_tcs"           field_ref="dummy_XY"         /> <!-- P1 (K) canopy_temperature : Vegetation temperature, averaged over all vegetation types -->
-   <field id="CMIP6_tgs"           field_ref="dummy_XY"         /> <!-- P1 (K) surface_temperature : Surface bare soil temperature -->
-   <field id="CMIP6_tpf"           field_ref="dummy_XY"         /> <!-- P3 (m) permafrost_layer_thickness : The mean thickness of the permafrost layer in the land portion of the grid cell.  Reported as zero in permafrost-free regions. Warning: not yet computed but maybe doable following MICT -->
-   <field id="CMIP6_tran"          field_ref="tran"             /> <!-- P1 (kg m-2 s-1) transpiration_flux : Transpiration (may include dew formation as a negative flux). -->
-   <field id="CMIP6_treeFrac"      field_ref="treeFrac"          /> <!-- P2 (%) area_fraction : Percentage of entire grid cell  that is covered by trees. -->
-   <field id="CMIP6_treeFracBdlDcd" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : This is the fraction of the entire grid cell  that is covered by broadleaf deciduous trees. -->
-   <field id="CMIP6_treeFracBdlEvg" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : This is the fraction of the entire grid cell  that is covered by broadleaf evergreen trees. -->
-   <field id="CMIP6_treeFracNdlDcd" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : This is the fraction of the entire grid cell  that is covered by needleleaf deciduous trees. -->
-   <field id="CMIP6_treeFracNdlEvg" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : This is the fraction of the entire grid cell  that is covered by needleleaf evergreen trees. -->
-   <field id="CMIP6_treeFracPrimDec" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of the entire grid cell  that is covered by total primary deciduous trees.  Warning: We will here take the variable from stomate_lpj but first it needs to be multiplied by contfrac in the code to be consistent with DR -->
-   <field id="CMIP6_treeFracPrimEver" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell  that is covered by primary evergreen trees. Warning: We will here take the variable from stomate_lpj but first it needs to be multiplied by contfrac in the code to be consistent with DR -->
-   <field id="CMIP6_treeFracSecDec" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell  that is covered by secondary deciduous trees.  Warning: variable not provided by ORCHIDEE. -->
-   <field id="CMIP6_treeFracSecEver" field_ref="dummy_XY"         /> <!-- P1 (%) area_fraction : Percentage of entire grid cell  that is covered by secondary evergreen trees. Warning: variable not provided by ORCHIDEE. -->
-   <field id="CMIP6_tsl"           field_ref="ptn"               /> <!-- P1 (K) soil_temperature : Temperature of each soil layer. Reported as missing for grid cells with no land. -->
-   <field id="CMIP6_tslsi"         field_ref="dummy_XY"         /> <!-- P1 (K) surface_temperature : Surface temperature of all surfaces except open ocean. -->
-   <field id="CMIP6_tslsiLut"      field_ref="dummy_XY"         /> <!-- P1 (K) surface_temperature : Surface temperature (i.e. temperature at which long-wave radiation emitted) -->
-   <field id="CMIP6_tsn_land"      field_ref="dummy_XY"         /> <!-- P1 (K) temperature_in_surface_snow : This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land. Warning: Doable but painful with the two different snow schemes. -->
-   <field id="CMIP6_tsnl"          field_ref="snowtemp"         /> <!-- P1 (K) snow_temperature : Temperature in the snow pack present in the grid-cell. 3D variable for multi-layer snow schemes. Warning: Computed only for the layered scheme on vegetated and bare soil area.  -->
-   <field id="CMIP6_tws"           field_ref="tws"              /> <!-- P1 (kg m-2) canopy_and_surface_and_subsurface_water_amount : Terrestrial Water Storage -->
-   <field id="CMIP6_vegFrac"       field_ref="vegFrac"          /> <!-- P1 (%) area_fraction : fraction of grid cell that is covered by vegetation.This SHOULD be the sum of tree, grass, crop and shrub fractions. -->
-   <field id="CMIP6_vegHeight_land" field_ref="dummy_XY"         /> <!-- P1 (m) canopy_height : Vegetation height averaged over all vegetation types and over the vegetated fraction of a grid cell. -->
-   <field id="CMIP6_vegHeightCrop" field_ref="dummy_XY"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the crop fraction of a grid cell. -->
-   <field id="CMIP6_vegHeightGrass" field_ref="dummy_XY"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the grass fraction of a grid cell. -->
-   <field id="CMIP6_vegHeightPasture" field_ref="dummy_XY"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the pasture fraction of a grid cell. -->
-   <field id="CMIP6_vegHeightShrub" field_ref="dummy_XY"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the shrub fraction of a grid cell. -->
-   <field id="CMIP6_vegHeightTree" field_ref="dummy_XY"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the tree fraction of a grid cell. -->
-   <field id="CMIP6_wetlandCH4"    field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) wetland_methane_emissions : Grid averaged methane emissions from wetlands -->
-   <field id="CMIP6_wetlandCH4cons" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) wetland_methane_consumption : Grid Averaged Methane Consumption (Methanotrophy) from Wetlands -->
-   <field id="CMIP6_wetlandCH4prod" field_ref="dummy_XY"         /> <!-- P2 (kg m-2 s-1) wetland_methane_production : Grid averaged methane production (methanogenesis) from wetlands -->
-   <field id="CMIP6_wetlandFrac"   field_ref="dummy_XY"         /> <!-- P2 (%) wetland_fraction : Report only one year if specified fraction is used, or time series if values are determined dynamically. -->
-   <field id="CMIP6_wilt"          field_ref="dummy_XYSo"       /> <!-- P1 (%) missing : Wilting Point Warning: AD will do it in link with SPMIP -->
-   <field id="CMIP6_wtd"           field_ref="wtd"         /> <!-- P2 (m) depth_of_soil_moisture_saturation : Water table depth -->
-	<field id="CMIP6_ap" field_ref="dummy_hyb" /><!-- One of the hybrid coordinate arrays -->
-	<field id="CMIP6_ap_bnds" field_ref="dummy_hyb" /><!-- One of the hybrid coordinate arrays -->
-	<field id="CMIP6_b" field_ref="dummy_hyb" /><!-- One of the hybrid coordinate arrays -->
-	<field id="CMIP6_b_bnds" field_ref="dummy_hyb" /><!-- One of the hybrid coordinate arrays -->
+   <field id="CMIP6_agesno"        field_ref="snowage_glob"         /> <!-- P1 (day) age_of_surface_snow : age_of_surface_snow -->
+   <field id="CMIP6_agesno"        field_ref="snowage_glob"         /> <!-- P1 (day) age_of_surface_snow : When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as "missing in regions free of snow on land. -->
+   <field id="CMIP6_albc"          field_ref="vegalb_glob"         /> <!-- P1 (1) canopy_albedo : Canopy Albedo -->
+   <field id="CMIP6_albsn"         field_ref="albedo_snow"         /> <!-- P1 (1) snow_and_ice_albedo : Snow Albedo -->
+   <field id="CMIP6_areacella"     field_ref="areas"         /> <!-- P1 (m2) cell_area : Cell areas for any grid used to report atmospheric variables and any other variable using that grid (e.g., soil moisture content). 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). -->
+   <field id="CMIP6_areacellg"     field_ref="dummy_XY_not_provided"         /> <!-- P1 (m2) cell_area : Cell areas any grid used to report ice sheet variables. These cell areas should be defined to enable exact calculation of area integrals (e.g., of vertical fluxes of energy at the surface and top of the atmosphere) -->
+   <field id="CMIP6_areacellr"     field_ref="dummy_XY_not_provided"         /> <!-- P1 (m2) cell_area : Cell areas for any grid used to report river model variables (may be the same as for atmospheric variables). These cell areas should be defined to enable exact calculation of area integrals (e.g., of vertical fluxes of energy at the surface and top of the atmosphere). -->
+   <field id="CMIP6_ares"          field_ref="raero"         /> <!-- P1 (s m-1) aerodynamic_resistance : aerodynamic_resistance -->
+   <field id="CMIP6_baresoilFrac"  field_ref="baresoilFrac"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by bare soil. Warning: we do not include the bare soil fraction from the vegetated pft's. Note: Multiplied in sechiba by contfrac because we need entire grid-cell -->
+   <field id="CMIP6_burntFractionAll" field_ref="dummy_XY_not_provided"         /> <!-- P1 (%) area_fraction : Percentage of grid cell burned due to all fires including natural and anthropogenic fires and those associated with anthropogenic land use change -->
+   <field id="CMIP6_c13Land"       field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) total_land_c13 : Mass of 13C in all terrestrial carbon pools -->
+   <field id="CMIP6_c13Litter"     field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) litter_c13_content : Mass of 13C in Litter Pool -->
+   <field id="CMIP6_c13Soil"       field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) soil_c13_content : Mass of 13C in Soil Pool -->
+   <field id="CMIP6_c13Veg"        field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) vegetation_c13_content : Mass of 13C in Vegetation -->
+   <field id="CMIP6_c14Land"       field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) total_land_c14 : Mass of 14C in all terrestrial carbon pools -->
+   <field id="CMIP6_c14Litter"     field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) litter_c14_content : Mass of 14C in Litter Pool -->
+   <field id="CMIP6_c14Soil"       field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) soil_c14_content : Mass of 14C in Soil Pool -->
+   <field id="CMIP6_c14Veg"        field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) vegetation_c14_content : only requested for DECK HIST -->
+   <field id="CMIP6_c3PftFrac"     field_ref="c3PftFrac"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by C3 PFTs (including grass, crops, and trees). -->
+   <field id="CMIP6_c4PftFrac"     field_ref="c4PftFrac"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by C4 PFTs (including grass and crops). -->
+   <field id="CMIP6_cCwd"          field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) wood_debris_carbon_content : Carbon Mass in Coarse Woody Debris -->
+   <field id="CMIP6_cLand"         field_ref="cLand"         /> <!-- P1 (kg m-2) total_land_carbon : Total Carbon in All Terrestrial Carbon Pools -->
+   <field id="CMIP6_cLeaf"         field_ref="cLeaf"         /> <!-- P1 (kg m-2) leaf_carbon_content : Carbon Mass in Leaves -->
+   <field id="CMIP6_cLitter"       field_ref="cLitter"         /> <!-- P1 (kg m-2) litter_carbon_content : Carbon Mass in Litter Pool -->
+   <field id="CMIP6_cLitterAbove"  field_ref="cLitterAbove"         /> <!-- P1 (kg m-2) surface_litter_carbon_content : Carbon Mass in Above-Ground Litter -->
+   <field id="CMIP6_cLitterBelow"  field_ref="cLitterBelow"         /> <!-- P1 (kg m-2) subsurface_litter_carbon_content : Carbon Mass in Below-Ground Litter -->
+   <field id="CMIP6_cLitterCwd"    field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) litter_wood_debris_carbon_content : Carbon Mass in Coarse Woody Debris -->
+   <field id="CMIP6_cLitterGrass"  field_ref="cLitterGrass"         /> <!-- P2 (kg m-2) litter_carbon_content : Carbon mass in litter on grass tiles -->
+   <field id="CMIP6_cLitterLut"    field_ref="clitterlut" /> <!-- P1 (kg m-2) litter_carbon_content : carbon  in above and belowground litter pools on land use tiles -->
+   <field id="CMIP6_cLitterShrub"  field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) litter_carbon_content : Carbon mass in litter on shrub tiles -->
+   <field id="CMIP6_cLitterSubSurf" field_ref="cLitterBelow"         /> <!-- P2 (kg m-2) subsurface_litter_carbon_content : Carbon Mass in Below-Ground Litter Warning: Duplicate of CMIP6_cLitterBelow -->
+   <field id="CMIP6_cLitterSurf"   field_ref="cLitterAbove"         /> <!-- P2 (kg m-2) surface_litter_carbon_content : Carbon Mass in Above-Ground Litter Warning: Duplicate of CMIP6_cLitterAbove -->
+   <field id="CMIP6_cLitterTree"   field_ref="cLitterTree"         /> <!-- P2 (kg m-2) litter_carbon_content : Carbon mass in litter on tree tiles -->
+   <field id="CMIP6_cMisc"         field_ref="cMisc"         /> <!-- P2 (kg m-2) miscellaneous_living_matter_carbon_content : Carbon Mass in Other Living Compartments on Land -->
+   <field id="CMIP6_cOther"        field_ref="cOther"         /> <!-- P2 (kg m-2) other_vegegtation_components_carbon_content : Carbon Mass in Vegetation Components other than Leaves, Stems and Roots -->
+   <field id="CMIP6_cProduct"      field_ref="cProduct"         /> <!-- P1 (kg m-2) carbon_content_of_products_of_anthropogenic_land_use_change : Carbon Mass in Products of Land Use Change -->
+   <field id="CMIP6_cProductLut"   field_ref="cproductlut" /> <!-- P1 (kg m-2) carbon_content_in_wood_and_agricultural_products : wood and agricultural product pool carbon associated with land use tiles; examples of products include paper, cardboard, timber for construction, and crop harvest for food or fuel. -->
+   <field id="CMIP6_cRoot"         field_ref="cRoot"         /> <!-- P1 (kg m-2) root_carbon_content : including fine and coarse roots. -->
+   <field id="CMIP6_cSoil"         field_ref="cSoil"         /> <!-- P1 (kg m-2) soil_carbon_content : Carbon Mass in Soil Pool -->
+   <field id="CMIP6_cSoilAbove1m"  field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) soil_carbon_content : Carbon mass in soil pool above 1m depth -->
+   <field id="CMIP6_cSoilBelow1m"  field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) soil_carbon_content : Carbon Mass in Soil Pool below 1m Depth -->
+   <field id="CMIP6_cSoilFast"     field_ref="cSoilFast"         /> <!-- P1 (kg m-2) fast_soil_pool_carbon_content : fast is meant as lifetime of less than 10 years for  reference climate conditions (20 C, no water limitations). -->
+   <field id="CMIP6_cSoilGrass"    field_ref="cSoilGrass"         /> <!-- P2 (kg m-2) soil_carbon_content : Carbon mass in soil on grass tiles -->
+   <field id="CMIP6_cSoilLevels"   field_ref="dummy_XYSo_not_provided"       /> <!-- P2 (kg m-2) soil_carbon_content : Carbon mass in each model soil level (summed over all soil carbon pools in that level) -->
+   <field id="CMIP6_cSoilLut"      field_ref="csoillut" /> <!-- P1 (kg m-2) soil_carbon_content : carbon  in soil pool on land use tiles -->
+   <field id="CMIP6_cSoilMedium"   field_ref="cSoilMedium"         /> <!-- P1 (kg m-2) medium_soil_pool_carbon_content : medium is meant as lifetime of more than than 10 years and less than 100 years for  reference climate conditions (20 C, no water limitations) -->
+   <field id="CMIP6_cSoilPools"    field_ref="cSoilPools"/> <!-- P2 (kg m-2) soil_carbon_content_by_pool : Carbon mass in each model soil pool (summed over vertical levels) -->
+   <field id="CMIP6_cSoilShrub"    field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) soil_carbon_content : Carbon mass in soil on shrub tiles -->
+   <field id="CMIP6_cSoilSlow"     field_ref="cSoilSlow"         /> <!-- P1 (kg m-2) slow_soil_pool_carbon_content : fast is meant as lifetime of more than 100 years for  reference climate conditions (20 C, no water limitations) -->
+   <field id="CMIP6_cSoilTree"     field_ref="cSoilTree"         /> <!-- P2 (kg m-2) soil_carbon_content : Carbon mass in soil on tree tiles -->
+   <field id="CMIP6_cStem"         field_ref="cStem"         /> <!-- P2 (kg m-2) stem_carbon_content : Carbon Mass in Stem -->
+   <field id="CMIP6_cTotFireLut"   field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (kg m-2 s-1)  : Total carbon loss from natural and managed fire on land use tile, including deforestation fires -->
+   <field id="CMIP6_cVeg"          field_ref="cVeg"         /> <!-- P1 (kg m-2) vegetation_carbon_content : Carbon Mass in Vegetation -->
+   <field id="CMIP6_cVegGrass"     field_ref="cVegGrass"         /> <!-- P2 (kg m-2) vegetation_carbon_content : Carbon mass in vegetation on grass tiles -->
+   <field id="CMIP6_cVegLut"       field_ref="cveglut" /> <!-- P1 (kg m-2) vegetation_carbon_content : carbon in vegetation on land use tiles -->
+   <field id="CMIP6_cVegShrub"     field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) vegetation_carbon_content : Carbon mass in vegetation on shrub tiles -->
+   <field id="CMIP6_cVegTree"      field_ref="cVegTree"         /> <!-- P2 (kg m-2) vegetation_carbon_content : Carbon mass in vegetation on tree tiles -->
+   <field id="CMIP6_cWood"         field_ref="cWood"         /> <!-- P2 (kg m-2) wood_carbon_content : Carbon Mass in Wood -->
+   <field id="CMIP6_clayfrac"      field_ref="clayfraction"       /> <!-- P1 (1) volume_fraction_of_clay_in_soil : Clay Fraction -->
+   <field id="CMIP6_cnc"           field_ref="cnc"         /> <!-- P1 (%) vegetation_area_fraction : Canopy covered fraction Warning: fraction over total land -->
+   <field id="CMIP6_cropFrac"      field_ref="cropFrac"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by crop. Warning: Note: Multiplied in sechiba by contfrac because we need entire grid-cell -->
+   <field id="CMIP6_cropFracC3"    field_ref="cropFracC3"         /> <!-- P1 (%) area_fraction : Percentage Cover by C3 Crops -->
+   <field id="CMIP6_cropFracC4"    field_ref="cropFracC4"         /> <!-- P1 (%) area_fraction : Percentage Cover by C4 Crops -->
+   <field id="CMIP6_cw"            field_ref="qsintveg_tot"         /> <!-- P1 (kg m-2) canopy_water_amount : canopy_water_amount -->
+   <field id="CMIP6_dcw"           field_ref="delintercept"         /> <!-- P1 (kg m-2) change_over_time_in_canopy_water_amount : change_over_time_in_canopy_water_amount -->
+   <field id="CMIP6_dfr"           field_ref="dummy_XY_not_provided"         /> <!-- P1 (m) depth_of_frozen_soil : depth_of_frozen_soil -->
+   <field id="CMIP6_dgw"           field_ref="delslowr"         /> <!-- P1 (kg m-2) change_over_time_in_groundwater : change_over_time_in_groundwater Warning: It can be either undef or delslowr. We take the second option for the moment. -->
+   <field id="CMIP6_dmlt"          field_ref="dummy_XY_not_provided"         /> <!-- P1 (m) depth_of_subsurface_melting : depth_of_subsurface_melting -->
+   <field id="CMIP6_drivw"         field_ref="delriv"         /> <!-- P1 (kg m-2) change_over_time_in_river_water_amount : change_over_time_in_river_water_amount Warning: we sum the stream and fast reservoir of the routing scheme. -->
+   <field id="CMIP6_dslw"          field_ref="delsoilmoist"         /> <!-- P1 (kg m-2) change_over_time_in_water_content_of_soil_layer : change_over_time_in_water_content_of_soil_layer -->
+   <field id="CMIP6_dsn"           field_ref="delswe"         /> <!-- P1 (kg m-2) change_over_time_in_surface_snow_and_ice_amount : change_over_time_in_surface_snow_and_ice_amount -->
+   <field id="CMIP6_dsw"           field_ref="delsurfwater"         /> <!-- P1 (kg m-2) change_over_time_in_surface_water_amount : change_over_time_in_surface_water_amount Warning: includes the fast reservoire -->
+   <field id="CMIP6_dtes"          field_ref="dtes"         /> <!-- P1 (J m-2) change_over_time_in_thermal_energy_content_of_surface : Change in surface heat storage -->
+   <field id="CMIP6_dtesn"         field_ref="del_snowheattot"         /> <!-- P1 (J m-2) change_over_time_in_thermal_energy_content_of_surface_snow_and_ice : Change in snow/ice cold content Warning: Computed only for the layered scheme on vegetated and bare soil area -->
+   <field id="CMIP6_ec"            field_ref="evspsblveg"         /> <!-- P1 (kg m-2 s-1) liquid_water_evaporation_flux_from_canopy : liquid_water_evaporation_flux_from_canopy -->
+   <field id="CMIP6_eow"           field_ref="vevapflo"         /> <!-- P1 (kg m-2 s-1) liquid_water_evaporation_flux_from_open_water : liquid_water_evaporation_flux_from_open_water -->
+   <field id="CMIP6_es"            field_ref="vevapnu"         /> <!-- P1 (kg m-2 s-1) liquid_water_evaporation_flux_from_soil : liquid_water_evaporation_flux_from_soil -->
+   <field id="CMIP6_esn"           field_ref="vevapsno"         /> <!-- P1 (kg m-2 s-1) liquid_water_evaporation_flux_from_surface_snow : liquid_water_evaporation_flux_from_surface_snow -->
+   <field id="CMIP6_et"            field_ref="vevapp"         /> <!-- P1 (kg m-2 s-1) surface_evapotranspiration : surface_evapotranspiration -->
+   <field id="CMIP6_evspsblpot"    field_ref="evapot"         /> <!-- P1 (kg m-2 s-1) water_potential_evaporation_flux : Potential Evapotranspiration -->
+   <field id="CMIP6_evspsblsoi"    field_ref="evspsblsoi"         /> <!-- P1 (kg m-2 s-1) water_evaporation_flux_from_soil : includes sublimation. -->
+   <field id="CMIP6_evspsblveg"    field_ref="evspsblveg"         /> <!-- P1 (kg m-2 s-1) water_evaporation_flux_from_canopy : the canopy evaporation+sublimation (if present in model). Warning: No sublimation here for Orchidee -->
+   <field id="CMIP6_fAnthDisturb"  field_ref="fAnthDisturb"         /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_anthrogpogenic_emission : carbon mass flux into atmosphere due to any human activity -->
+   <field id="CMIP6_fBNF"          field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) biological_nitrogen_fixation : biological nitrogen fixation -->
+   <field id="CMIP6_fCLandToOcean" field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_ocean_from_rivers : Lateral transfer of carbon out of gridcell that eventually goes into ocean -->
+   <field id="CMIP6_fDeforestToAtmos" field_ref="fLuc"         /> <!-- P2 (kg m-2 s-1) surface_net_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_anthropogenic_land_use_change : Deforested biomass that goes into atmosphere as a result of anthropogenic land use change Warning : duplicate of variable fLuc -->
+   <field id="CMIP6_fDeforestToProduct" field_ref="fDeforestToProduct"         /> <!-- P1 (kg m-2 s-1) deforested_biomass_into_product_pool_due_to_anthorpogenic_land_use_change : Deforested biomass that goes into product pool as a result of anthropogenic land use change -->
+   <field id="CMIP6_fFire"         field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_fires_excluding_anthropogenic_land_use_change : CO2 emissions (expressed as a carbon mass flux) from natural fires + human ignition fires as calculated by the fire module of the DGVM, but excluding any CO2 flux from fire included in fLuc, defined below (CO2 Flux to Atmosphere from Land Use Change). -->
+   <field id="CMIP6_fFireAll"      field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) fire_CO2_emissions_from_all_sources : Carbon Mass Flux into Atmosphere due to CO2 emissions from Fire resulting from all sources including natural, anthropogenic and land use change. -->
+   <field id="CMIP6_fFireNat"      field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) fire_CO2_emissions_from_wildfire : Carbon Mass Flux into Atmosphere due to CO2 Emission from natural Fire -->
+   <field id="CMIP6_fGrazing"      field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_grazing : Carbon Mass Flux into Atmosphere due to Grazing on Land -->
+   <field id="CMIP6_fHarvest"      field_ref="fHarvest"         /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_crop_harvesting : Carbon Mass Flux into Atmosphere due to Crop Harvesting -->
+   <field id="CMIP6_fHarvestToAtmos" field_ref="fHarvest"         /> <!-- P2 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_crop_harvesting : Harvested biomass that goes straight into atmosphere Warning : Duplicate variable fHarvest -->
+   <field id="CMIP6_fHarvestToProduct" field_ref="fHarvestToProduct"         /> <!-- P1 (kg m-2 s-1) harvested_biomass_into_product_pool : Harvested biomass that goes into product pool -->
+   <field id="CMIP6_fLitterFire"   field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) fire_CO2_emissions_from_litter_carbon : Carbon Mass Flux from Litter, CWD or any non-living pool into Atmosphere due to CO2 Emission from all Fire -->
+   <field id="CMIP6_fLitterSoil"   field_ref="fLitterSoil"         /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_soil_from_litter : Total Carbon Mass Flux from Litter to Soil -->
+   <field id="CMIP6_fLuc"          field_ref="fLuc"         /> <!-- P1 (kg m-2 s-1) surface_net_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_anthropogenic_land_use_change : Net Carbon Mass Flux into Atmosphere due to Land Use Change -->
+   <field id="CMIP6_fLulccAtmLut"  field_ref="flulccatmlut" /> <!-- P1 (kg s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_direct_to_atmosphere_due_to_anthropogenic_land_use_land_cover_change : carbon transferred directly to atmosphere due to any land-use or land-cover change activities including deforestation or agricultural fire -->
+   <field id="CMIP6_fLulccProductLut" field_ref="flulccproductlut" /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_wood_and_agricultural_product_pools_due_to_anthropogenic_land_use_or_land_cover_change : carbon harvested due to land-use or land-cover change process that enters anthropogenic product pools on tile -->
+   <field id="CMIP6_fLulccResidueLut" field_ref="flulccresiduelut" /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_soil_and_litter_due_to_anthropogenic_land_use_or_land_cover_change : carbon transferred to soil or litter pools due to land-use or land-cover change processes on tile -->
+   <field id="CMIP6_fN2O"          field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) land_net_n2o_flux : Total land N2O flux -->
+   <field id="CMIP6_fNAnthDisturb" field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) nitrogen_flux_into_atmos_due_to_direct_human_disturbance : nitrogen mass flux out of land due to any human activity -->
+   <field id="CMIP6_fNLandToOcean" field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) nitrogen_mass_flux_into_ocean_from_rivers : Lateral transfer of nitrogen out of gridcell that eventually goes into ocean -->
+   <field id="CMIP6_fNLitterSoil"  field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) nitrogen_mass_flux_into_soil_from_litter : Total Nitrogen Mass Flux from Litter to Soil -->
+   <field id="CMIP6_fNOx"          field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) land_net_nox_flux : Total land NOx flux -->
+   <field id="CMIP6_fNProduct"     field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) nitrogen_mass_flux_to_product_pool_due_to_anthorpogenic_activity : Deforested or harvested biomass as a result of anthropogenic land use or change -->
+   <field id="CMIP6_fNVegLitter"   field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) litter_nitrogen_flux : Total Nitrogen Mass Flux from Vegetation to Litter -->
+   <field id="CMIP6_fNVegSoil"     field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) nitrogen_mass_flux_into_soil_from_vegetation_excluding_litter : Total Nitrogen Mass Flux from Vegetation Directly to Soil -->
+   <field id="CMIP6_fNdep"         field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) deposition_of_nitrogen_onto_land : Dry and Wet Deposition of Reactive Nitrogen onto Land -->
+   <field id="CMIP6_fNfert"        field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) fertiliser_of_nitrogen_onto_land : total N added for cropland fertilisation (artificial and manure) -->
+   <field id="CMIP6_fNgas"         field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) land_nitrogen_lost_to_atmosphere : Total Nitrogen lost to the atmosphere (sum of NHx, NOx, N2O, N2) -->
+   <field id="CMIP6_fNgasFire"     field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) land_nitrogen_lost_to_atmosphere_due_to_fire : Total N lost to the atmosphere (including NHx, NOx, N2O, N2) from fire. -->
+   <field id="CMIP6_fNgasNonFire"  field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) land_nitrogen_lost_to_atmosphere_not_due_to_fire : Total N lost to the atmosphere (including NHx, NOx, N2O, N2) from all processes except fire. -->
+   <field id="CMIP6_fNleach"       field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) land_nitrogen_lost_to_leaching : Total N loss to leaching or runoff (sum of ammonium, nitrite and nitrate) -->
+   <field id="CMIP6_fNloss"        field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) land_nitrogen_lost : Total N lost (including NHx, NOx, N2O, N2 and leaching) -->
+   <field id="CMIP6_fNnetmin"      field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) net_nitrogen_mineralisation : Net nitrogen release from soil and litter as the outcome of nitrogen immobilisation and gross mineralisation -->
+   <field id="CMIP6_fNup"          field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) plant_nitrogen_uptake : total plant nitrogen uptake (sum of ammonium and nitrate), irrespective of the source of nitrogen -->
+   <field id="CMIP6_fProductDecomp" field_ref="fProductDecomp"         /> <!-- P1 (kg m-2 s-1) Carbon_flux_out_of_storage_product_pools_into_atmos : decomposition out of product pools to CO2 in atmos Warning Duplicated variable with fDeforestToProduct -->
+   <field id="CMIP6_fProductDecompLut" field_ref="flulccatmlut" /> <!-- P1 (kg s-1) tendency_of_atmospheric_mass_content_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_wood_and_agricultural_product_pool : flux from wood and agricultural product pools on land use tile into atmosphere -->
+   <field id="CMIP6_fVegFire"      field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) fire_CO2_emissions_from_vegetation_carbon : Carbon Mass Flux from Vegetation into Atmosphere due to CO2 Emission from all Fire -->
+   <field id="CMIP6_fVegLitter"    field_ref="fVegLitter"         /> <!-- P1 (kg m-2 s-1) litter_carbon_flux : Total Carbon Mass Flux from Vegetation to Litter -->
+   <field id="CMIP6_fVegLitterMortality" field_ref="dummy_XY_not_provided"   /> <!-- P2 (kg m-2 s-1) mortality_litter_carbon_flux : Total Carbon Mass Flux from Vegetation to Litter as a Result of Mortality -->
+   <field id="CMIP6_fVegLitterSenescence" field_ref="dummy_XY_not_provided"  /> <!-- P2 (kg m-2 s-1) senescence_litter_carbon_flux : Total Carbon Mass Flux from Vegetation to Litter as a Result of Leaf, Branch, and Root Senescence -->
+   <field id="CMIP6_fVegSoil"      field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) carbon_mass_flux_into_soil_from_vegetation_excluding_litter : In some models part of carbon (e.g., root exudate) can go directly into the soil pool without entering litter. -->
+   <field id="CMIP6_fVegSoilMortality" field_ref="dummy_XY_not_provided"     /> <!-- P2 (kg m-2 s-1) mortality_vegtosoil_carbon_flux : Total Carbon Mass Flux from Vegetation to Soil as a result of mortality -->
+   <field id="CMIP6_fVegSoilSenescence" field_ref="dummy_XY_not_provided"    /> <!-- P2 (kg m-2 s-1) senescence_vegtosoil_carbon_flux : Total Carbon Mass Flux from Vegetation to Soil as a result of leaf, branch, and root senescence -->
+   <field id="CMIP6_fahLut"        field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (W m-2) surface_upward_heat_flux_due_to_anthropogenic_energy_consumption : Anthropogenic heat flux generated from non-renewable human primary energy consumption, including energy use by vehicles, commercial and residential buildings, industry, and power plants.  Primary energy refers to energy in natural resources, fossil and nonfossil, before conversion into other forms, such as electricity. -->
+   <field id="CMIP6_fldcapacity"   field_ref="fldcapacity"       /> <!-- P1 (%)  : Field Capacity Warning: Defined as wilt/saturation, may still evolve (AD) -->
+   <field id="CMIP6_fracInLut"     field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (%) area_fraction : annual gross fraction that was transferred into this tile from other land use tiles -->
+   <field id="CMIP6_fracLut"       field_ref="fraclut" /> <!-- P1 (%) area_fraction : fraction of grid cell for each land use tile -->
+   <field id="CMIP6_fracOutLut"    field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (%) area_fraction : annual gross fraction of land use tile  that was transferred into other land use tiles -->
+   <field id="CMIP6_gpp"           field_ref="gpp_ipcc2"         /> <!-- P1 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : only requested for DECK HIST, 1980-present -->
+   <field id="CMIP6_gppGrass"      field_ref="gppgrass"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : gross primary production on grass tiles -->
+   <field id="CMIP6_gppLut"        field_ref="gpplut" /> <!-- P1 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : gross primary productivity on land use tile -->
+   <field id="CMIP6_gppShrub"      field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : gross primary production on Shrub tiles -->
+   <field id="CMIP6_gppTree"       field_ref="gpptree"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_biomass_expressed_as_carbon : gross primary production on tree tiles -->
+   <field id="CMIP6_gppc13"        field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_c13 : Mass Flux of 13C out of Atmosphere due to Gross Primary Production on Land -->
+   <field id="CMIP6_gppc14"        field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) gross_primary_productivity_of_c14 : Mass Flux of 14C out of Atmosphere due to Gross Primary Production on Land -->
+   <field id="CMIP6_grassFrac"     field_ref="grassFrac"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell that is covered by natural grass. -->
+   <field id="CMIP6_grassFracC3"   field_ref="grassFracC3"         /> <!-- P1 (%) area_fraction : C3 grass Area Percentage -->
+   <field id="CMIP6_grassFracC4"   field_ref="grassFracC4"         /> <!-- P1 (%) area_fraction : C4 grass Area Percentage -->
+   <field id="CMIP6_hfdsn"         field_ref="snowflxtot"         /> <!-- P1 (W m-2) surface_downward_heat_flux_in_snow : the net downward heat flux from the atmosphere into the snow that lies on land divided by the land area in the grid cell; reported as missing for snow-free land regions or where the land fraction is 0. -->
+   <field id="CMIP6_hflsLut"       field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (W m-2) surface_upward_latent_heat_flux : latent heat flux on land use tile -->
+   <field id="CMIP6_hfssLut"       field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (W m-2) surface_upward_sensible_heat_flux : sensible heat flux on land use tile -->
+   <field id="CMIP6_hussLut"       field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (1) specific_humidity : near-surface specific humidity on land use tile -->
+   <field id="CMIP6_irrLut"        field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (kg s-1) surface_downward_water_flux_due_to_irrigation : Irrigation flux including any irrigation for crops, trees, pasture, or urban lawns -->
+   <field id="CMIP6_ksat"          field_ref="ksat"       /> <!-- P1 (1e-6 m s-1)  : Saturated Hydraulic Conductivity -->
+   <field id="CMIP6_lai"           field_ref="lai_ipcc"         /> <!-- P1 (1) leaf_area_index : a ratio obtained by dividing the total upper leaf surface area of vegetation by the (horizontal) surface area of the land on which it grows. Warning: here we take the average over the entire land fraction; not sure it's ok with the DataRequest comment "a ratio obtained by dividing the total upper leaf surface area of vegetation by the (horizontal) surface area of the land on which it grows." PC+JG : lai_ipcc and laimean are related to the same land fraction(note veget_max in stomate_lpj is not the same veget_max in sechiba!). We see other differencies between these output variables coming mainly from pft3 and some from 6,8,9,12. -->
+   <field id="CMIP6_laiLut"        field_ref="lailut" /> <!-- P1 (1)  : Leaf Area Index on Land Use Tile -->
+   <field id="CMIP6_landCoverFrac" field_ref="landCoverFrac" /> <!-- P1 (%) area_fraction : The categories may differ from model to model, depending on their  PFT definitions.   This may include natural PFTs, anthropogenic PFTs, bare soil, lakes, urban areas, etc.   Sum of all should equal the fraction of the grid-cell that is land. Warning: Note: here not multiplying by contfrac according to DR -->
+   <field id="CMIP6_lwsnl"         field_ref="snowliqtot"         /> <!-- P1 (kg m-2) liquid_water_content_of_snow_layer : where land over land: this is computed as the total mass of liquid water contained interstitially within the snow layer of the land portion of a grid cell divided by the area of the land portion of the cell. Warning: Computed only for the layered scheme on vegetated and bare soil area. -->
+   <field id="CMIP6_mrfso"         field_ref="humtot_frozen"         /> <!-- P1 (kg m-2) soil_frozen_water_content : the mass (summed over all all layers) of frozen water. Warning: To be calculated. -->
+   <field id="CMIP6_mrfsofr"       field_ref="profil_froz_hydro"       /> <!-- P1 (1) mass_fraction_of_frozen_water_in_soil_moisture : mass_fraction_of_frozen_water_in_soil_layer -->
+   <field id="CMIP6_mrlqso"        field_ref="profil_liquid_hydro"       /> <!-- P1 (1) mass_fraction_of_unfrozen_water_in_soil_moisture : mass_fraction_of_unfrozen_water_in_soil_layer -->
+   <field id="CMIP6_mrlso"         field_ref="humtot_liquid"         /> <!-- P1 (kg m-2) soil_liquid_water_content : Soil Liquid Water Content -->
+   <field id="CMIP6_mrro"          field_ref="mrro"         /> <!-- P1 (kg m-2 s-1) runoff_flux : the total runoff (including "drainage" through the base of the soil model) leaving the land portion of the grid cell divided by the land area in the grid cell, averaged over the 3-hour interval. -->
+   <field id="CMIP6_mrroLut"       field_ref="mrro_lut" /> <!-- P1 (kg m-2 s-1) runoff_flux : Total runoff from land use tile -->
+   <field id="CMIP6_mrrob"         field_ref="drainage"         /> <!-- P1 (kg m-2 s-1) subsurface_runoff_flux : subsurface_runoff_flux -->
+   <field id="CMIP6_mrros"         field_ref="runoff"         /> <!-- P1 (kg m-2 s-1) surface_runoff_flux : surface_runoff_flux -->
+   <field id="CMIP6_mrsfl"         field_ref="soilmoist_frozen"       /> <!-- P1 (kg m-2) frozen_moisture_content_of_soil_layer : Frozen water content of soil layer -->
+   <field id="CMIP6_mrsll"         field_ref="soilmoist_liquid"       /> <!-- P1 (kg m-2) liquid_moisture_content_of_soil_layer : Liquid water content of soil layer -->
+   <field id="CMIP6_mrso"          field_ref="humtot"         /> <!-- P1 (kg m-2) soil_moisture_content : the mass per unit area  (summed over all soil layers) of water in all phases. -->
+   <field id="CMIP6_mrsoLut"       field_ref="humtot_lut" /> <!-- P1 (kg m-2) soil_moisture_content : Total soil moisture -->
+   <field id="CMIP6_mrsofc"        field_ref="tmcfc"         /> <!-- P1 (kg m-2) soil_moisture_content_at_field_capacity : reported "where land": divide the total water holding capacity of all the soil in the grid cell by the land area in the grid cell;  reported as "missing" where the land fraction is 0. -->
+   <field id="CMIP6_mrsol"         field_ref="soilmoist"       /> <!-- P1 (kg m-2) moisture_content_of_soil_layer : Total water content of soil layer -->
+   <field id="CMIP6_mrsos"         field_ref="humtot_top"         /> <!-- P1 (kg m-2) moisture_content_of_soil_layer : the mass of water in all phases in a thin surface soil layer. -->
+   <field id="CMIP6_mrsosLut"      field_ref="humtot_top_lut" /> <!-- P1 (kg m-2) moisture_content_of_soil_layer : Moisture in Upper Portion of Soil Column of land use tile -->
+   <field id="CMIP6_mrsow"         field_ref="mrsow"         /> <!-- P1 (1) volume_fraction_of_condensed_water_in_soil_at_field_capacity : relative_soil_moisture_content_above_field_capacity Warning: weird mention to field capacity in the description, overlooked. -->
+   <field id="CMIP6_mrtws"         field_ref="tws"         /> <!-- P1 (kg m-2) total_water_storage : canopy_and_surface_and_subsurface_water_amount -->
+   <field id="CMIP6_nLand"         field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) total_land_nitrogen : Total nitrogen in all terrestrial nitrogen pools -->
+   <field id="CMIP6_nLeaf"         field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) leaf_nitrogen_content : Nitrogen Mass in Leaves -->
+   <field id="CMIP6_nLitter"       field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) litter_nitrogen_content : Nitrogen Mass in Litter Pool -->
+   <field id="CMIP6_nLitterCwd"    field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) litter_wood_debris_nitrogen_content : Nitrogen Mass in Coarse Woody Debris -->
+   <field id="CMIP6_nLitterSubSurf" field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) subsurface_litter_nitrogen_content : Nitrogen Mass in below ground litter (non CWD) -->
+   <field id="CMIP6_nLitterSurf"   field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) surface_litter_nitrogen_content : Nitrogen Mass in above ground litter (non CWD) -->
+   <field id="CMIP6_nMineral"      field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) mineral_soil_nitrogen_content : Mineral nitrogen in the soil -->
+   <field id="CMIP6_nMineralNH4"   field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) mineral_nh4_soil_nitrogen_content : Mineral ammonium in the soil -->
+   <field id="CMIP6_nMineralNO3"   field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) mineral_no3_soil_nitrogen_content : Mineral nitrate in the soil -->
+   <field id="CMIP6_nOther"        field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) other_vegegtation_components_nitrogen_content : Nitrogen mass in vegetation components other than leaves, stem and root -->
+   <field id="CMIP6_nProduct"      field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) nitrogen_content_of_products_of_anthropogenic_land_use_change : Nitrogen Mass in Products of Land Use Change -->
+   <field id="CMIP6_nRoot"         field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) root_nitrogen_content : Nitrogen Mass in Roots -->
+   <field id="CMIP6_nSoil"         field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) soil_nitrogen_content : Nitrogen Mass in Soil Pool -->
+   <field id="CMIP6_nStem"         field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2) stem_nitrogen_content : Nitrogen Mass in Stem -->
+   <field id="CMIP6_nVeg"          field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) vegetation_nitrogen_content : Nitrogen Mass in Vegetation -->
+   <field id="CMIP6_nbp"           field_ref="nbp"         /> <!-- P1 (kg m-2 s-1) surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes : This is the net mass flux of carbon between land and atmosphere calculated as photosynthesis MINUS the sum of  plant and soil respiration, carbonfluxes  from fire, harvest, grazing  and land use change. Positive flux  is into the land. -->
+   <field id="CMIP6_necbLut"       field_ref="necbLut" /> <!-- P1 (kg m-2 s-1) surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes : net rate of C accumulation (or loss) on land use tile -->
+   <field id="CMIP6_nep"           field_ref="nep"         /> <!-- P1 (kg m-2 s-1) surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes_excluding_anthropogenic_land_use_change : Net Ecosystem Exchange -->
+   <field id="CMIP6_netAtmosLandC13Flux" field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) net_atmos_to_land_C13_flux : Net Mass Flux of 13C between atmosphere and land (positive into land) as a result of all processes. -->
+   <field id="CMIP6_netAtmosLandC14Flux" field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) net_atmos_to_land_C14_flux : Net Mass Flux of 14C between atmosphere and land (positive into land) as a result of all processes. -->
+   <field id="CMIP6_netAtmosLandCO2Flux" field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2 s-1) surface_net_downward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_all_land_processes : Net flux of CO2 between atmosphere and land (positive into land) as a result of all processes. Warning: Could be done in Orchidee but not considered as a priority  -->
+   <field id="CMIP6_npp"           field_ref="npp_ipcc"         /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : Carbon Mass Flux out of Atmosphere due to Net Primary Production on Land -->
+   <field id="CMIP6_nppGrass"      field_ref="nppGrass"         /> <!-- P2 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : net primary production on grass tiles -->
+   <field id="CMIP6_nppLeaf"       field_ref="nppLeaf"         /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_carbon_accumulated_in_leaves : This is the rate of carbon uptake by leaves due to NPP -->
+   <field id="CMIP6_nppLut"        field_ref="npplut" /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : net primary productivity on land use tile -->
+   <field id="CMIP6_nppOther"      field_ref="nppOther"         /> <!-- P2 (kg m-2 s-1) net_primary_production_allocated_to_other : net primary production allcoated to other pools (not leaves stem or roots) -->
+   <field id="CMIP6_nppRoot"       field_ref="nppRoot"         /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_carbon_accumulated_in_roots : This is the rate of carbon uptake by roots due to NPP -->
+   <field id="CMIP6_nppShrub"      field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : net primary production on Shrub tiles -->
+   <field id="CMIP6_nppStem"       field_ref="nppStem"         /> <!-- P2 (kg m-2 s-1) net_primary_production_allocated_to_stem : net primary production allcoated to stem -->
+   <field id="CMIP6_nppTree"       field_ref="nppTree"         /> <!-- P2 (kg m-2 s-1) net_primary_productivity_of_biomass_expressed_as_carbon : net primary production on tree tiles -->
+   <field id="CMIP6_nppWood"       field_ref="nppWood"         /> <!-- P1 (kg m-2 s-1) net_primary_productivity_of_carbon_accumulated_in_wood : This is the rate of carbon uptake by wood due to NPP -->
+   <field id="CMIP6_nudgincsm"     field_ref="nudgincsm"         /> <!-- P1 (kg m-2) nudging_increment_in_water_content_of_soil_layer : nudging_increment_in_water_content_of_soil_layer -->
+   <field id="CMIP6_nudgincswe"    field_ref="nudgincswe"         /> <!-- P1 (kg m-2) nudging_increment_in_surface_snow_and_ice_amount : nudging_increment_in_surface_snow_and_ice_amount -->
+   <field id="CMIP6_nwdFracLut"    field_ref="nwdFraclut" /> <!-- P1 (%)  : fraction of land use tile tile that is non-woody vegetation ( e.g. herbaceous crops) -->
+   <field id="CMIP6_orog_ist"      field_ref="dummy_XY"         /> <!-- P1 (m) surface_altitude : Surface Altitude -->
+   <field id="CMIP6_orog_ist"      field_ref="dummy_XY"         /> <!-- P1 (m) surface_altitude : This is needed in case the ice sheet elevation changes in time -->
+   <field id="CMIP6_pastureFrac"   field_ref="dummy_XY_not_provided"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by anthropogenic pasture. -->
+   <field id="CMIP6_pastureFracC3" field_ref="dummy_XY_not_provided"         /> <!-- P2 (%) area_fraction : C3 Pasture Area Percentage -->
+   <field id="CMIP6_pastureFracC4" field_ref="dummy_XY_not_provided"         /> <!-- P2 (%) area_fraction : C4 Pasture Area Percentage -->
+   <field id="CMIP6_pflw"          field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) liquid_water_content_of_permafrost_layer : "where land over land", i.e., this is the total mass of liquid water contained within the permafrost layer within the land portion of a grid cell divided by the area of the land portion of the cell. -->
+   <field id="CMIP6_prveg"         field_ref="prveg"         /> <!-- P1 (kg m-2 s-1) precipitation_flux_onto_canopy : the precipitation flux that is intercepted by the vegetation canopy (if present in model) before reaching the ground. -->
+   <field id="CMIP6_qgwr"          field_ref="drainage"         /> <!-- P1 (kg m-2 s-1) water_flux_from_soil_layer_to_groundwater : water_flux_from_soil_layer_to_groundwater Warning: It can be either undef or drainage. We take the second option for the moment. -->
+   <field id="CMIP6_rGrowth"       field_ref="rGrowth_ipcc"         /> <!-- P1 (kg m-2 s-1) surface_upward_carbon_mass_flux_due_to_plant_respiration_for_biomass_growth : Carbon Mass Flux into Atmosphere due to Growth Autotrophic Respiration on Land Warning: Variable coming from stomate, can only be provided for daily or monthly output with Orchidee. -->
+   <field id="CMIP6_rMaint"        field_ref="rMaint_ipcc"         /> <!-- P1 (kg m-2 s-1) surface_upward_carbon_mass_flux_due_to_plant_respiration_for_biomass_maintenance : Carbon Mass Flux into Atmosphere due to Maintenance Autotrophic Respiration on Land Warning: Variable coming from stomate, can only be provided for daily or monthly output with Orchidee. -->
+   <field id="CMIP6_ra"            field_ref="ra"         /> <!-- P1 (kg m-2 s-1) plant_respiration_carbon_flux : only requested for DECK HIST, 1980-present Warning: Variable coming from stomate, can only be provided for daily or monthly output with Orchidee. -->
+   <field id="CMIP6_raGrass"       field_ref="raGrass"         /> <!-- P2 (kg m-2 s-1) plant_respiration_carbon_flux : autotrophic respiration on grass tiles -->
+   <field id="CMIP6_raLeaf"        field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) autotrophic_respiration_from_leaves : Total respiration from leaves -->
+   <field id="CMIP6_raLut"         field_ref="ralut" /> <!-- P1 (kg m-2 s-1) plant_respiration_carbon_flux : plant respiration on land use tile -->
+   <field id="CMIP6_raOther"       field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) autotrophic_respiration : Total respiration from other pools (not leaves stem or roots) -->
+   <field id="CMIP6_raRoot"        field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) autotrophic_respiration_from_roots : Total Respiration from Roots -->
+   <field id="CMIP6_raShrub"       field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) plant_respiration_carbon_flux : autotrophic respiration on Shrub tiles -->
+   <field id="CMIP6_raStem"        field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) autotrophic_respiration_from_stem : Total Respiration from Stem -->
+   <field id="CMIP6_raTree"        field_ref="raTree"         /> <!-- P2 (kg m-2 s-1) plant_respiration_carbon_flux : autotrophic respiration on tree tiles -->
+   <field id="CMIP6_rac13"         field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) plant_respiration_c13_flux : Mass Flux of 13C into Atmosphere due to Autotrophic (Plant) Respiration on Land -->
+   <field id="CMIP6_rac14"         field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) plant_respiration_c14_flux : Mass Flux of 14C into Atmosphere due to Autotrophic (Plant) Respiration on Land -->
+   <field id="CMIP6_residualFrac"  field_ref="residualFrac"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is land and is covered by "non-vegetation" and "non-bare-soil" (e.g., urban, ice, lakes, etc.) -->
+   <field id="CMIP6_rh"            field_ref="rh_ipcc2"         /> <!-- P1 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : Carbon Mass Flux into Atmosphere due to Heterotrophic Respiration on Land Warning:  Issue with duplicated variables resp_hetero from sechiba and stomate but they are calculated differently. We here need the sechiba variable for 3h freq output. -->
+   <field id="CMIP6_rhGrass"       field_ref="rhGrass"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : heterotrophic respiration on grass tiles -->
+   <field id="CMIP6_rhLitter"      field_ref="rhLitter"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux_from_litter : Carbon Mass Flux into Atmosphere due to Heterotrophic Respiration from Litter on Land -->
+   <field id="CMIP6_rhLut"         field_ref="rhlut" /> <!-- P1 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : soil heterotrophic respiration on land use tile -->
+   <field id="CMIP6_rhShrub"       field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : heterotrophic respiration on Shrub tiles -->
+   <field id="CMIP6_rhSoil"        field_ref="rhSoil"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux_from_soil : Carbon Mass Flux into Atmosphere due to Heterotrophic Respiration from Soil on Land -->
+   <field id="CMIP6_rhTree"        field_ref="rhTree"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_carbon_flux : heterotrophic respiration on tree tiles -->
+   <field id="CMIP6_rhc13"         field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_c13_flux : Mass Flux of 13C into Atmosphere due to Heterotrophic Respiration on Land -->
+   <field id="CMIP6_rhc14"         field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) heterotrophic_respiration_c14_flux : Mass Flux of 14C into Atmosphere due to Heterotrophic Respiration on Land -->
+   <field id="CMIP6_rivi"          field_ref="dummy_XY_not_provided"         /> <!-- P1 (m3 s-1) water_flux_from_upstream : water_flux_to_downstream -->
+   <field id="CMIP6_rivo"          field_ref="hydrographs"         /> <!-- P1 (m3 s-1) water_flux_to_downstream : water_flux_from_upstream -->
+   <field id="CMIP6_rlusLut"       field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (W m-2) surface_upwelling_longwave_flux_in_air : Surface Upwelling Longwave on Land Use Tile -->
+   <field id="CMIP6_rootd"         field_ref="zmaxh"         /> <!-- P1 (m) root_depth : report the maximum soil depth reachable by plant roots (if defined in model), i.e., the maximum soil depth from which they can extract moisture; report as "missing" where the land fraction is 0. -->
+   <field id="CMIP6_rootdsl"       field_ref="nroot"       /> <!-- P1 (kg m-3)  : Root Distribution Warning: It's a relative root density per layer in Orchidee with no dimension. -->
+   <field id="CMIP6_rsusLut"       field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (W m-2) surface_upwelling_shortwave_flux_in_air : Surface Upwelling Shortwave  on Land Use Tile -->
+   <field id="CMIP6_rzwc"          field_ref="humtot"         /> <!-- P1 (kg m-2) water_content_of_root_zone : water_content_of_root_zone -->
+   <field id="CMIP6_sandfrac"      field_ref="sandfraction"       /> <!-- P1 (1)  : Sand Fraction -->
+   <field id="CMIP6_sftgif"        field_ref="dummy_XY_not_provided"         /> <!-- P1 (%) land_ice_area_fraction : Fraction of Grid Cell Covered with Glacier -->
+   <field id="CMIP6_shrubFrac"     field_ref="dummy_XY_not_provided"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by shrub. -->
+   <field id="CMIP6_slthick"       field_ref="dlh"       /> <!-- P1 (m)  : Thickness of Soil Layers -->
+   <field id="CMIP6_snc"           field_ref="frac_snow"         /> <!-- P1 (%) surface_snow_area_fraction : Fraction of each grid cell that is occupied by snow that rests on land portion of cell. -->
+   <field id="CMIP6_snc_ist"       field_ref="dummy_ist"         /> <!-- P1 (%) surface_snow_area_fraction : quantity averaged over ice sheet  only, to avoid contamination from other surfaces (eg: permafrost) -->
+   <field id="CMIP6_snd"           field_ref="snowdepth"         /> <!-- P1 (m) surface_snow_thickness : where land over land, this is computed as the mean thickness of snow in the land portion of the grid cell (averaging over the entire land portion, including the snow-free fraction).  Reported as missing where the land fraction is 0. Warning: Computed and weigthed only for the layered scheme on vegetated and bare soil area. -->
+   <field id="CMIP6_snm_land"      field_ref="snowmelt"         /> <!-- P1 (kg m-2 s-1) surface_snow_melt_flux : Computed as the total surface melt water on the land portion of the grid cell divided by the land area in the grid cell; report as 0.0 for snow-free land regions; report as missing where the land fraction is 0. -->
+   <field id="CMIP6_snm_land"      field_ref="snowmelt"         /> <!-- P1 (kg m-2 s-1) surface_snow_melt_flux : surface_snow_and_ice_melt_flux -->
+   <field id="CMIP6_snm_ist"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) surface_snow_melt_flux : Surface Snow Melt -->
+   <field id="CMIP6_snw_land"      field_ref="snow"         /> <!-- P1 (kg m-2) surface_snow_amount : Computed as the mass of surface snow on the land portion of the grid cell divided by the land area in the grid cell; reported as missing where the land fraction is 0; excluded is snow on vegetation canopy or on sea ice. -->
+   <field id="CMIP6_snw_land"      field_ref="snow"         /> <!-- P1 (kg m-2) surface_snow_amount : the mass of surface snow on the land portion of the grid cell divided by the land area in the grid cell; reported as missing where the land fraction is 0; excludes snow on vegetation canopy or on sea ice. -->
+   <field id="CMIP6_sootsn"        field_ref="dummy_XY_not_provided"         /> <!-- P1 (kg m-2) soot_content_of_surface_snow : the entire land portion of the grid cell is considered, with snow soot content set to 0.0 in regions free of snow. -->
+   <field id="CMIP6_sw"            field_ref="surfwater"         /> <!-- P1 (kg m-2) surface_water_amount_assuming_no_snow : surface_water_amount_assuming_no_snow Warning: includes the fast reservoire -->
+   <field id="CMIP6_sweLut"        field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (m)  : snow water equivalent on land use tile -->
+   <field id="CMIP6_tSoilPools"    field_ref="tSoilPools"/> <!-- P2 (s-1) soil_carbon_turnover_rate_by_pool : turnover rate of each model soil carbon pool -->
+   <field id="CMIP6_tasLut"        field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (K) air_temperature : near-surface air temperature (2m above displacement height, i.e. t_ref) on land use tile -->
+   <field id="CMIP6_tcs"           field_ref="dummy_XY_not_provided"         /> <!-- P1 (K) canopy_temperature : Vegetation Canopy Temperature -->
+   <field id="CMIP6_tgs"           field_ref="dummy_XY_not_provided"         /> <!-- P1 (K) surface_temperature : Temperature of bare soil -->
+   <field id="CMIP6_tpf"           field_ref="dummy_XY_not_provided"         /> <!-- P1 (m) permafrost_layer_thickness : where land over land: This is the mean thickness of the permafrost layer in the land portion of the grid cell.  Reported as missing in permafrost-free regions. Warning: not yet computed but maybe doable following MICT -->
+   <field id="CMIP6_tran"          field_ref="tran"         /> <!-- P1 (kg m-2 s-1) transpiration_flux : Transpiration -->
+   <field id="CMIP6_treeFrac"      field_ref="treeFrac"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by trees. -->
+   <field id="CMIP6_treeFracBdlDcd" field_ref="treeFracBdlDcd"         /> <!-- P1 (%) area_fraction : Broadleaf deciduous tree fraction -->
+   <field id="CMIP6_treeFracBdlEvg" field_ref="treeFracBdlEvg"         /> <!-- P1 (%) area_fraction : Broadleaf evergreen tree fraction -->
+   <field id="CMIP6_treeFracNdlDcd" field_ref="treeFracNdlDcd"         /> <!-- P1 (%) area_fraction : Needleleaf deciduous tree fraction -->
+   <field id="CMIP6_treeFracNdlEvg" field_ref="treeFracNdlEvg"         /> <!-- P1 (%) area_fraction : Needleleaf evergreen tree fraction -->
+   <field id="CMIP6_treeFracPrimDec" field_ref="treeFracPrimDec"         /> <!-- P1 (%) area_fraction : This is the fraction of the entire grid cell  that is covered by "total primary deciduous trees." -->
+   <field id="CMIP6_treeFracPrimEver" field_ref="treeFracPrimEver"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by primary evergreen trees. -->
+   <field id="CMIP6_treeFracSecDec" field_ref="dummy_XY_not_provided"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by secondary deciduous trees. -->
+   <field id="CMIP6_treeFracSecEver" field_ref="dummy_XY_not_provided"         /> <!-- P1 (%) area_fraction : fraction of entire grid cell  that is covered by secondary evergreen trees. -->
+   <field id="CMIP6_tsl"           field_ref="ptn"       /> <!-- P1 (K) soil_temperature : Temperature of single near-surface soil layer.  Reported as "missing" for grid cells occupied entirely by "sea". -->
+   <field id="CMIP6_tslsi"         field_ref="temp_sol_new"         /> <!-- P1 (K) surface_temperature : Surface temperature of all surfaces except open ocean. -->
+   <field id="CMIP6_tslsiLut"      field_ref="dummy_XY_landUse_not_provided" /> <!-- P1 (K) surface_temperature : Surface Temperature on Landuse Tile -->
+   <field id="CMIP6_tsn_ist"       field_ref="dummy_XY"         /> <!-- P1 (K) temperature_in_surface_snow : quantity averaged over ice sheet (grounded ice sheet and floating ice shelf) only. Needed to analyse the impact of downscaling methods -->
+   <field id="CMIP6_tsn_ist"       field_ref="dummy_XY"         /> <!-- P1 (K) temperature_in_surface_snow : quantity averaged over ice sheet (grounded ice sheet and floating ice shelf) only. Needed to analyse the impact of downscaling methods -->
+   <field id="CMIP6_tsn_land"      field_ref="dummy_XY_not_provided"         /> <!-- P1 (K) temperature_in_surface_snow : This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as "missing in regions free of snow on land. Warning: Doable but painful with the two different snow schemes. -->
+   <field id="CMIP6_tsnl"          field_ref="snowtemp"       /> <!-- P1 (K) snow_temperature : Density-weighted average temperature of the snow in layers  (for models with 3D snow schemes) Warning: Computed only for the layered scheme on vegetated and bare soil area. -->
+   <field id="CMIP6_vegFrac"       field_ref="vegFrac"         /> <!-- P1 (%) area_fraction : Total vegetated fraction -->
+   <field id="CMIP6_vegHeight"     field_ref="dummy_XY_not_provided"         /> <!-- P1 (m) canopy_height : canopy height -->
+   <field id="CMIP6_vegHeightCrop" field_ref="dummy_XY_not_provided"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the crop fraction of a grid cell. -->
+   <field id="CMIP6_vegHeightGrass" field_ref="dummy_XY_not_provided"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the grass fraction of a grid cell. -->
+   <field id="CMIP6_vegHeightPasture" field_ref="dummy_XY_not_provided"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the pasture fraction of a grid cell. -->
+   <field id="CMIP6_vegHeightShrub" field_ref="dummy_XY_not_provided"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the shrub fraction of a grid cell. -->
+   <field id="CMIP6_vegHeightTree" field_ref="dummy_XY_not_provided"         /> <!-- P2 (m) canopy_height : Vegetation height averaged over the tree fraction of a grid cell. -->
+   <field id="CMIP6_wetlandCH4"    field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) wetland_methane_emissions : Grid averaged methane emissions from wetlands -->
+   <field id="CMIP6_wetlandCH4cons" field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) wetland_methane_consumption : Grid averaged methane consuption (methanotrophy) from wetlands -->
+   <field id="CMIP6_wetlandCH4prod" field_ref="dummy_XY_not_provided"         /> <!-- P2 (kg m-2 s-1) wetland_methane_production : Grid averaged methane production (methanogenesis) from wetlands -->
+   <field id="CMIP6_wetlandFrac"   field_ref="dummy_XY_not_provided"         /> <!-- P2 (%) wetland_fraction : Fraction of a grid cell covered by wetland. -->
+   <field id="CMIP6_wilt"          field_ref="wilt"       /> <!-- P1 (%)  : Wilting Point Warning: Defined as wilt/saturation, may still evolve (AD) -->
+   <field id="CMIP6_wtd"           field_ref="dummy_XY_not_provided"         /> <!-- P1 (m) depth_of_soil_moisture_saturation : depth_of_soil_moisture_saturation -->
 </field_definition>
 </context>
