Changeset 12890 for NEMO/branches/2020/r4.0-HEAD_r12713_clem_dan_fixcpl/cfgs/SHARED

Timestamp:

2020-05-07T16:11:23+02:00 (4 years ago)

Author:

clem

Message:

1) implement the optional nn_snwfra, i.e. the fraction of ice covered by sea ice. 2) change some namelists parameters names to avoid confusion. 3) correct a bug at ice initialization

File:

• NEMO/branches/2020/r4.0-HEAD_r12713_clem_dan_fixcpl/cfgs/SHARED/namelist_ice_ref (modified) (2 diffs)

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

@@ -56 +56 @@
    rn_ishlat        =   2.            !  lbc : free slip (0) ; partial slip (0-2) ; no slip (2) ; strong slip (>2)
    ln_landfast_L16  = .false.         !  landfast: parameterization from Lemieux 2016
-      rn_depfra     =   0.125         !        fraction of ocean depth that ice must reach to initiate landfast
+      rn_lf_depfra  =   0.125         !        fraction of ocean depth that ice must reach to initiate landfast
                                       !          recommended range: [0.1 ; 0.25]
-      rn_icebfr     =  15.            !        maximum bottom stress per unit volume [N/m3]
-      rn_lfrelax    =   1.e-5         !        relaxation time scale to reach static friction [s-1]
-      rn_tensile    =   0.05          !        isotropic tensile strength [0-0.5??]
+      rn_lf_bfr     =  15.            !        maximum bottom stress per unit volume [N/m3]
+      rn_lf_relax   =   1.e-5         !        relaxation time scale to reach static friction [s-1]
+      rn_lf_tensile =   0.05          !        isotropic tensile strength [0-0.5??]
 /
 !------------------------------------------------------------------------------
@@ -110 +110 @@
 !------------------------------------------------------------------------------
    rn_cio           =   5.0e-03       !  ice-ocean drag coefficient (-)
-   rn_blow_s        =   0.66          !  mesure of snow blowing into the leads
+   nn_snwfra        =   0             !  calculate the fraction of ice covered by snow (for zdf and albedo)
+                                      !     = 0  fraction = 1 (if snow) or 0 (if no snow)
+                                      !     = 1  fraction = 1-exp(-0.2*rhos*hsnw) [MetO formulation]
+                                      !     = 2  fraction = hsnw / (hsnw+0.02)    [CICE formulation]
+   rn_snwblow       =   0.66          !  mesure of snow blowing into the leads
                                       !     = 1 => no snow blowing, < 1 => some snow blowing
    nn_flxdist       =  -1             !  Redistribute heat flux over ice categories