Changeset 6416 for trunk/NEMOGCM/CONFIG

Timestamp:

2016-04-01T14:22:17+02:00 (8 years ago)

Author:

clem

Message:

phase trunk with new additions on LIM3 from 3.6 stable (r6398 r6399 and r6400)

Location:

trunk/NEMOGCM/CONFIG/SHARED

Files:

• field_def.xml (modified) (3 diffs)
• namelist_ice_lim3_ref (modified) (2 diffs)
• namelist_ref (modified) (1 diff)

trunk/NEMOGCM/CONFIG/SHARED/field_def.xml

@@ -183 +183 @@
          <field id="empmr"        long_name="Net Upward Water Flux"                standard_name="water_flux_out_of_sea_ice_and_sea_water"                              unit="kg/m2/s"   />
          <field id="empbmr"       long_name="Net Upward Water Flux at pre. tstep"  standard_name="water_flux_out_of_sea_ice_and_sea_water"                              unit="kg/m2/s"   />
+         <field id="emp_oce"      long_name="Evap minus Precip over ocean"         standard_name="evap_minus_precip_over_sea_water"                                     unit="kg/m2/s"   />
+         <field id="emp_ice"      long_name="Evap minus Precip over ice"           standard_name="evap_minus_precip_over_sea_ice"                                       unit="kg/m2/s"   />
          <field id="saltflx"      long_name="Downward salt flux"                                                                                                        unit="1e-3/m2/s" />
          <field id="fmmflx"       long_name="Water flux due to freezing/melting"                                                                                        unit="kg/m2/s"   />
@@ -289 +291 @@
          <field id="micesalt"     long_name="Mean ice salinity"                                                                                                               unit="1e-3"         />
          <field id="miceage"      long_name="Mean ice age"                                                                                                                    unit="years"        />
+         <field id="alb_ice"      long_name="Mean albedo over sea ice"                                                                                                        unit=""             />
+         <field id="albedo"       long_name="Mean albedo over sea ice and ocean"                                                                                              unit=""             />
 
          <field id="iceage_cat"   long_name="Ice age for categories"                                       unit="days"   axis_ref="ncatice" />
@@ -339 +343 @@
          <field id="vfxsub"       long_name="snw sublimation"                                              unit="m/day"   />
          <field id="vfxspr"       long_name="snw precipitation on ice"                                     unit="m/day"   />
+         <field id="vfxthin"      long_name="daily thermo ice prod. for thin ice(<20cm) + open water"      unit="m/day"   />
 
          <field id="afxtot"       long_name="area tendency (total)"                                        unit="day-1"   />

trunk/NEMOGCM/CONFIG/SHARED/namelist_ice_lim3_ref

@@ -21 +21 @@
    cn_icerst_outdir = "."          !  directory in which to write output ice restarts
    ln_limdyn     = .true.          !  ice dynamics (T) or thermodynamics only (F)
-   rn_amax_n     = 0.999           !  maximum tolerated ice concentration (NH)
-   rn_amax_s     = 0.999           !  maximum tolerated ice concentration (SH)
+   rn_amax_n     = 0.999           !  maximum tolerated ice concentration NH
+   rn_amax_s     = 0.999           !  maximum tolerated ice concentration SH
    ln_limdiahsb  = .false.         !  check the heat and salt budgets (T) or not (F)
    ln_limdiaout  = .true.          !  output the heat and salt budgets (T) or not (F)
@@ -86 +86 @@
    rn_hnewice  = 0.1               !  thickness for new ice formation in open water (m)
    ln_frazil   = .false.           !  use frazil ice collection thickness as a function of wind (T) or not (F)
-   rn_maxfrazb = 0.0               !  maximum fraction of frazil ice collecting at the ice base
+   rn_maxfrazb = 1.0               !  maximum fraction of frazil ice collecting at the ice base
    rn_vfrazb   = 0.417             !  thresold drift speed for frazil ice collecting at the ice bottom (m/s)
    rn_Cfrazb   = 5.0               !  squeezing coefficient for frazil ice collecting at the ice bottom

trunk/NEMOGCM/CONFIG/SHARED/namelist_ref

@@ -516 +516 @@
 &namsbc_alb    !   albedo parameters
 !-----------------------------------------------------------------------
-   rn_cloud    =    0.06   !  cloud correction to snow and ice albedo
-   rn_albice   =    0.53   !  albedo of melting ice in the arctic and antarctic
-   rn_alphd    =    0.80   !  coefficients for linear interpolation used to
-   rn_alphc    =    0.65   !  compute albedo between two extremes values
-   rn_alphdi   =    0.72   !  (Pyane, 1972)
+   nn_ice_alb  =    0   !  parameterization of ice/snow albedo
+                        !     0: Shine & Henderson-Sellers (JGR 1985)
+                        !     1: "home made" based on Brandt et al. (J. Climate 2005)
+                        !                         and Grenfell & Perovich (JGR 2004)
+   rn_albice   =  0.53  !  albedo of bare puddled ice (values from 0.49 to 0.58)
+                        !     0.53 (default) => if nn_ice_alb=0
+                        !     0.50 (default) => if nn_ice_alb=1
 /
 !-----------------------------------------------------------------------