Changeset 2375 for branches/nemo_v3_3_beta/NEMOGCM/CONFIG/ORCA2_LIM/EXP00/namelist

Timestamp:

2010-11-11T15:32:35+01:00 (13 years ago)

Author:

gm

Message:

v3.3beta: zdftke namelist simplification associated with an update of DOC

File:

• branches/nemo_v3_3_beta/NEMOGCM/CONFIG/ORCA2_LIM/EXP00/namelist (modified) (1 diff)

branches/nemo_v3_3_beta/NEMOGCM/CONFIG/ORCA2_LIM/EXP00/namelist

@@ -589 +589 @@
    rn_ediff    =   0.1     !  coef. for vertical eddy coef. (avt=rn_ediff*mxl*sqrt(e) )
    rn_ediss    =   0.7     !  coef. of the Kolmogoroff dissipation
-   rn_ebb      =  60.      !  coef. of the surface input of tke
+   rn_ebb      =  67.83    !  coef. of the surface input of tke (=67.83 suggested when ln_mxl0=T)
    rn_emin     =   1.e-6   !  minimum value of tke [m2/s2]
    rn_emin0    =   1.e-4   !  surface minimum value of tke [m2/s2]
-   rn_bshear   =   1.e-20  !  background shear (>0)
    nn_mxl      =   2       !  mixing length: = 0 bounded by the distance to surface and bottom
                            !                 = 1 bounded by the local vertical scale factor
                            !                 = 2 first vertical derivative of mixing length bounded by 1
-                           !                 = 3 same criteria as case 2 but applied in a different way
+                           !                 = 3 as =2 with distinct disspipative an mixing length scale
    nn_pdl      =   1       !  Prandtl number function of richarson number (=1, avt=pdl(Ri)*avm) or not (=0, avt=avm)
-   ln_mxl0     = .false.   !  mixing length scale surface value as function of wind stress (T) or not (F)
-   rn_lmin     =   0.001   !  interior buoyancy lenght scale minimum value
-   rn_lmin0    =   0.01    !  surface  buoyancy lenght scale minimum value
-   nn_etau     =   0       !  exponentially deceasing penetration of tke due to internal & intertial waves
-                           !        = 0 no penetration ( O(2 km) resolution)
-                           !        = 1 additional tke source (rn_efr * en)
-                           !        = 2 additional tke source (rn_efr * en) applied only at the base of the mixed layer
-                           !        = 3 additional tke source (HF contribution: mean of stress module - module of mean stress)
-   nn_htau     =   1       !  type of exponential decrease of tke penetration
+   ln_mxl0     = .true.    !  surface mixing length scale = F(wind stress) (T) or not (F)
+   rn_mxl0     =   0.04    !  surface  buoyancy lenght scale minimum value
+   ln_lc       = .true.    !  Langmuir cell parameterisation (Axell 2002)
+   rn_lc       =   0.15    !  coef. associated to Langmuir cells
+   nn_etau     =   1       !  penetration of tke below the mixed layer (ML) due to internal & intertial waves
+                           !        = 0 no penetration
+                           !        = 1 add a tke source below the ML
+                           !        = 2 add a tke source just at the base of the ML
+                           !        = 3 as = 1 applied on HF part of the stress    ("key_coupled")
+   rn_efr      =   0.05    !  fraction of surface tke value which penetrates below the ML (nn_etau=1 or 2)
+   nn_htau     =   1       !  type of exponential decrease of tke penetration below the ML
                            !        = 0  constant 10 m length scale
-                           !        = 1  0.5m at the equator to 30m at high latitudes
-                           !        = 2  30 meters constant depth penetration
-                           !  otion used only if nn_etau = 1 or 2: 
-   rn_efr      =   0.05    !     fraction of surface tke value which penetrates inside the ocean
-                           !  otion used only if nn_etau = 3:
-   rn_addhft   =  -1.e-3   !     add offset   applied to the "mean of stress module - module of mean stress" (always kept > 0)
-   rn_sclhft   =   1.      !     scale factor applied to the "mean of stress module - module of mean stress"
-   ln_lc       = .false.   !  Langmuir cell parameterisation
-   rn_lc       =   0.15    !  coef. associated to Langmuir cells
+                           !        = 1  0.5m at the equator to 30m poleward of 40 degrees
 /
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