Changeset 8046 for branches/UKMO/dev_r5518_GO6_package/NEMOGCM/CONFIG

Timestamp:

2017-05-19T12:07:10+02:00 (7 years ago)

Author:

davestorkey

Message:

UKMO/dev_r5518_GO6_package branch: Add extra option for freshwater input from ice shelves in coupled models.

File:

• branches/UKMO/dev_r5518_GO6_package/NEMOGCM/CONFIG/SHARED/namelist_ref (modified) (1 diff)

branches/UKMO/dev_r5518_GO6_package/NEMOGCM/CONFIG/SHARED/namelist_ref

@@ -378 +378 @@
    ln_usecplmask = .false.   !  use a coupling mask file to merge data received from several models
                              !   -> file cplmask.nc with the float variable called cplmask (jpi,jpj,nn_cplmodel)
-   ln_coupled_iceshelf_fluxes = .false. ! If true 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.
+   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).