Changeset 13872 for NEMO/branches/2020/dev_r13787_OSMOSIS_IMMERSE/cfgs/SHARED/namelist_ref

Timestamp:

2020-11-25T13:58:07+01:00 (3 years ago)

Author:

acc

Message:

Branch dev_r13787_OSMOSIS_IMMERSE. Complete first stage port. With these changes ORCA2_ICE_PISCES, SETTE test will run with ln_zdfosm true (instead of ln_zdftke/ln_zdfevd). Standard tests are unaltered

File:

• NEMO/branches/2020/dev_r13787_OSMOSIS_IMMERSE/cfgs/SHARED/namelist_ref (modified) (2 diffs)

NEMO/branches/2020/dev_r13787_OSMOSIS_IMMERSE/cfgs/SHARED/namelist_ref

@@ -1198 +1198 @@
 &namzdf_osm    !   OSM vertical diffusion                               (ln_zdfosm =T)
 !-----------------------------------------------------------------------
-   ln_use_osm_la = .false.      !  Use namelist  rn_osm_la
+   ln_use_osm_la = .false.     !  Use   rn_osm_la
    rn_osm_la     = 0.3         !  Turbulent Langmuir number
-   rn_osm_dstokes     = 5.     !  Depth scale of Stokes drift (m)
+   rn_zdfosm_adjust_sd = 1.0   ! Stokes drift reduction factor
+   rn_osm_hblfrac = 0.1        ! specify top part of hbl for nn_osm_wave = 3 or 4
+   rn_osm_bl_thresh   = 5.e-5      !Threshold buoyancy for deepening of OSBL base
    nn_ave = 0                  ! choice of horizontal averaging on avt, avmu, avmv
    ln_dia_osm = .true.         ! output OSMOSIS-OBL variables
@@ -1208 +1210 @@
    rn_difri  =  0.005          ! max Ri# diffusivity at Ri_g = 0 (m^2/s)
    ln_convmix  = .true.        ! Use convective instability mixing below BL
-   rn_difconv = 1.             ! diffusivity when unstable below BL  (m2/s)
+   rn_difconv = 1. !0.01 !1.             ! diffusivity when unstable below BL  (m2/s)
+   rn_osm_dstokes     = 5.     !  Depth scale of Stokes drift (m)
    nn_osm_wave = 0             ! Method used to calculate Stokes drift
       !                        !  = 2: Use ECMWF wave fields
       !                        !  = 1: Pierson Moskowitz wave spectrum
       !                        !  = 0: Constant La# = 0.3
-/
+   nn_osm_SD_reduce = 0        ! Method used to get active Stokes drift from surface value
+      !                        !  = 0: No reduction
+                               !  = 1: use SD avged over top 10% hbl
+                               !  = 2:use surface value of SD fit to slope at rn_osm_hblfrac*hbl below surface
+   ln_zdfosm_ice_shelter = .true.  ! reduce surface SD and depth scale under ice
+   ln_osm_mle = .false.        !  Use integrated FK-OSM model
+/
+!-----------------------------------------------------------------------
+&namosm_mle    !   mixed layer eddy parametrisation (Fox-Kemper)       (default: OFF)
+!-----------------------------------------------------------------------
+   rn_osm_mle_ce       = 0.06      ! magnitude of the MLE (typical value: 0.06 to 0.08)
+   nn_osm_mle          = 0         ! MLE type: =0 standard Fox-Kemper ; =1 new formulation
+   rn_osm_mle_lf       = 5.e+3     ! typical scale of mixed layer front (meters)                      (case rn_osm_mle=0)
+   rn_osm_mle_time     = 172800.   ! time scale for mixing momentum across the mixed layer (seconds)  (case rn_osm_mle=0)
+   rn_osm_mle_lat      = 20.       ! reference latitude (degrees) of MLE coef.                        (case rn_mle=1)
+   rn_osm_mle_rho_c =    0.01      ! delta rho criterion used to calculate MLD for FK
+   rn_osm_mle_thresh  = 0.0005     ! delta b criterion used for FK MLE criterion
+   rn_osm_mle_tau     = 172800.    ! time scale for FK-OSM (seconds)  (case rn_osm_mle=0)
+   ln_osm_hmle_limit   = .false.   ! limit hmle to rn_osm_hmle_limit*hbl
+   rn_osm_hmle_limit   = 1.2
+   /
 !-----------------------------------------------------------------------
 &namzdf_iwm    !    internal wave-driven mixing parameterization        (ln_zdfiwm =T)