Changeset 15662 for NEMO/branches/UKMO/NEMO_4.0.4_GO8_paquage_branch/cfgs/SHARED

Timestamp:

2022-01-19T19:47:22+01:00 (2 years ago)

Author:

jpalmier

Message:

6th and 7th merge : fix a ip and icesheet-river coupling

Location:

NEMO/branches/UKMO/NEMO_4.0.4_GO8_paquage_branch/cfgs/SHARED

Files:

• field_def_nemo-oce.xml (modified) (1 diff)
• namelist_ref (modified) (3 diffs)

NEMO/branches/UKMO/NEMO_4.0.4_GO8_paquage_branch/cfgs/SHARED/field_def_nemo-oce.xml

@@ -332 +332 @@
 
           <!-- * variable related to ice shelf forcing * -->
+          <field id="berg_calve"   long_name="Iceberg calving"                               unit="kg/m2/s"  /> 
           <field id="fwfisf"       long_name="Ice shelf melting"                             unit="kg/m2/s"  />
           <field id="fwfisf3d"     long_name="Ice shelf melting"                             unit="kg/m2/s"  grid_ref="grid_T_3D" />

NEMO/branches/UKMO/NEMO_4.0.4_GO8_paquage_branch/cfgs/SHARED/namelist_ref

@@ -293 +293 @@
    ln_scale_ice_flux = .false. !  use ice fluxes that are already "ice weighted" ( i.e. multiplied ice concentration)
    nn_cats_cpl       =     5   !  Number of sea ice categories over which coupling is to be carried out (if not 1)
+   nn_coupled_iceshelf_fluxes = 0 ! =0 : total freshwater input from iceberg calving and ice shelf basal melting 
+                                  ! taken from climatologies used (no action in coupling routines).
+                                  ! =1 :  use rate of change of mass of Greenland and Antarctic icesheets to set the 
+                                  ! combined magnitude of the iceberg calving and iceshelf melting freshwater fluxes.
+                                  ! =2 :  specify constant freshwater inputs in this namelist to set the combined
+                                  ! magnitude of iceberg calving and iceshelf melting freshwater fluxes.
+   ln_iceshelf_init_atmos     = .true.  ! If true force ocean to initialise icesheet masses from atmospheric values rather than
+                                        ! from values in ocean restart file. 
+   rn_greenland_total_fw_flux   = 0.0  ! Constant total rate of freshwater input (kg/s) for Greenland (if nn_coupled_iceshelf_fluxes=2) 
+   rn_greenland_calving_fraction = 0.5  ! Set fraction of total freshwater flux for iceberg calving - remainder goes to iceshelf melting.
+   rn_antarctica_total_fw_flux  = 0.0  ! Constant total rate of freshwater input (kg/s) for Antarctica (if nn_coupled_iceshelf_fluxes=2)
+   rn_antarctica_calving_fraction = 0.5 ! Set fraction of total freshwater flux for iceberg calving - remainder goes to iceshelf melting.
+   rn_iceshelf_fluxes_tolerance = 1e-6  ! Fractional threshold for detecting differences in icesheet masses (must be positive definite).
+
    !_____________!__________________________!____________!_____________!______________________!________!
    !             !        description       !  multiple  !    vector   !       vector         ! vector !
@@ -319 +333 @@
    sn_rcv_emp    =   'conservative'         ,    'no'    ,     ''      ,         ''           ,   ''
    sn_rcv_rnf    =   'coupled'              ,    'no'    ,     ''      ,         ''           ,   ''
+   sn_rcv_antm   =   'none'                 ,    'no'    ,     ''      ,         ''           ,   ''
+   sn_rcv_grnm   =   'none'                 ,    'no'    ,     ''      ,         ''           ,   ''
    sn_rcv_cal    =   'coupled'              ,    'no'    ,     ''      ,         ''           ,   ''
    sn_rcv_co2    =   'coupled'              ,    'no'    ,     ''      ,         ''           ,   ''
@@ -419 +435 @@
       rn_dep_max  = 150.      !  depth over which runoffs is spread ( ln_rnf_depth_ini = .true )
       nn_rnf_depth_file = 0   !  create (=1) a runoff depth file or not (=0)
-   ln_rnf_icb  = .false.   !  read in iceberg flux from a file (fill sn_i_rnf if .true.)
+   ln_rnf_icb  = .false.    !  read in iceberg flux from a file (fill sn_i_rnf if .true.)
+   ln_icb_mass  = .false.   ! Scale iceberg flux to match mass flux from atmosphere model
 
    cn_dir      = './'      !  root directory for the runoff data location