Changeset 10115 for NEMO/branches/2018/dev_r5003_MERCATOR6_CRS/NEMOGCM/CONFIG/SHARED/namelist_ice_lim3_ref

Timestamp:

2018-09-12T15:59:13+02:00 (6 years ago)

Author:

cbricaud

Message:

phase 3.6 coarsening branch with nemo_3.6_rev9192

File:

• NEMO/branches/2018/dev_r5003_MERCATOR6_CRS/NEMOGCM/CONFIG/SHARED/namelist_ice_lim3_ref (modified) (2 diffs, 1 prop)

NEMO/branches/2018/dev_r5003_MERCATOR6_CRS/NEMOGCM/CONFIG/SHARED/namelist_ice_lim3_ref

@@ -69 +69 @@
    rn_relast      =    0.333       !  ratio of elastic timescale to ice time step: Telast = dt_ice * rn_relast 
                                    !     advised value: 1/3 (rn_nevp=120) or 1/9 (rn_nevp=300)
-   nn_ahi0        =    2           !  horizontal diffusivity computation
-                                   !     0: use rn_ahi0_ref
-                                   !     1: use rn_ahi0_ref x mean grid cell length / ( 2deg mean grid cell length )
-                                   !     2: use rn_ahi0_ref x grid cell length      / ( 2deg mean grid cell length )
-   rn_ahi0_ref    = 350.0          !  horizontal sea ice diffusivity (m2/s) 
-                                   !     if nn_ahi0 > 0, rn_ahi0_ref is the reference value at a nominal 2 deg resolution
 /
 !------------------------------------------------------------------------------
 &namicehdf     !   Ice horizontal diffusion
 !------------------------------------------------------------------------------
+   nn_ahi0        =    -1          !  horizontal diffusivity computation
+                                   !    -1: no diffusion (bypass limhdf)
+                                   !     0: use rn_ahi0_ref
+                                   !     1: use rn_ahi0_ref x mean grid cell length / ( 2deg mean grid cell length )
+                                   !     2: use rn_ahi0_ref x grid cell length      / ( 2deg mean grid cell length )
+   rn_ahi0_ref    = 350.0          !  horizontal sea ice diffusivity (m2/s)
+                                   !     if nn_ahi0 > 0, rn_ahi0_ref is the reference value at a nominal 2 deg resolution
    nn_convfrq     = 5              !  convergence check frequency of the Crant-Nicholson scheme (perf. optimization)
 /
@@ -98 +99 @@
                                    !     0: k = k0 + beta.S/T (Untersteiner, 1964)
                                    !     1: k = k0 + beta1.S/T - beta2.T (Pringle et al., 2007)
+   rn_cdsn     = 0.31              !  thermal conductivity of the snow (0.31 W/m/K, Maykut and Untersteiner, 1971)
+                                   !  Obs: 0.1-0.5 (Lecomte et al, JAMES 2013)
    nn_monocat  = 0                 !  virtual ITD mono-category parameterizations (1, jpl = 1 only) or not (0)
                                    !     2: simple piling instead of ridging --- temporary option