Changeset 13249 for NEMO/branches/2020/r4.0-HEAD_r12713_clem_dan_fixcpl/cfgs/SHARED/namelist_ref

Timestamp:

2020-07-04T10:22:08+02:00 (4 years ago)

Author:

clem

Message:

merge with Jerome's branch NEMO_4.03_IODRAG

File:

• NEMO/branches/2020/r4.0-HEAD_r12713_clem_dan_fixcpl/cfgs/SHARED/namelist_ref (modified) (4 diffs)

NEMO/branches/2020/r4.0-HEAD_r12713_clem_dan_fixcpl/cfgs/SHARED/namelist_ref

@@ -681 +681 @@
    !
    ln_drgimp   = .true.    !  implicit top/bottom friction flag
+      ln_drgice_imp = .false. ! implicit ice-ocean drag
 /
 !-----------------------------------------------------------------------
@@ -1059 +1060 @@
                               !    = 0 no scaling under sea-ice
                               !    = 1 scaling with constant sea-ice thickness
-                              !    = 2  scaling with mean sea-ice thickness ( only with SI3 sea-ice model )
-                              !    = 3  scaling with maximum sea-ice thickness
+                              !    = 2 scaling with mean sea-ice thickness ( only with SI3 sea-ice model )
+                              !    = 3 scaling with maximum sea-ice thickness
       rn_mxlice   = 10.       ! max constant ice thickness value when scaling under sea-ice ( nn_mxlice=1)
    rn_mxl0     =   0.04    !  surface  buoyancy lenght scale minimum value
@@ -1074 +1075 @@
                               !        = 0  constant 10 m length scale
                               !        = 1  0.5m at the equator to 30m poleward of 40 degrees
-      rn_eice     =   4       !  below sea ice: =0 ON ; =4 OFF when ice fraction > 1/4   
+   nn_eice     =   1       !  attenutaion of langmuir & surface wave breaking under ice
+   !                       !           = 0 no impact of ice cover on langmuir & surface wave breaking
+   !                       !           = 1 weigthed by 1-TANH(10*fr_i)
+   !                       !           = 2 weighted by 1-fr_i
+   !                       !           = 3 weighted by 1-MIN(1,4*fr_i)   
 /
 !-----------------------------------------------------------------------
@@ -1087 +1092 @@
    rn_charn      = 70000.  !  Charnock constant for wb induced roughness length
    rn_hsro       =  0.02   !  Minimum surface roughness
+   rn_hsri       =  0.03   !  Ice-ocean roughness
    rn_frac_hs    =   1.3   !  Fraction of wave height as roughness (if nn_z0_met>1)
    nn_z0_met     =     2   !  Method for surface roughness computation (0/1/2/3)
-   !                             ! =3 requires ln_wave=T
+   !                       !     = 3 requires ln_wave=T
+   nn_z0_ice     =   1     !  attenutaion of surface wave breaking under ice
+   !                       !           = 0 no impact of ice cover
+   !                       !           = 1 roughness uses rn_hsri and is weigthed by 1-TANH(10*fr_i)
+   !                       !           = 2 roughness uses rn_hsri and is weighted by 1-fr_i
+   !                       !           = 3 roughness uses rn_hsri and is weighted by 1-MIN(1,4*fr_i)
    nn_bc_surf    =     1   !  surface condition (0/1=Dir/Neum)
    nn_bc_bot     =     1   !  bottom condition (0/1=Dir/Neum)