New URL for NEMO forge!   http://forge.nemo-ocean.eu

Since March 2022 along with NEMO 4.2 release, the code development moved to a self-hosted GitLab.
This present forge is now archived and remained online for history.
namzdf_tke in branches/2015/dev_r5836_NOC3_vvl_by_default/DOC/TexFiles/Namelist – NEMO

source: branches/2015/dev_r5836_NOC3_vvl_by_default/DOC/TexFiles/Namelist/namzdf_tke @ 6040

Last change on this file since 6040 was 6040, checked in by gm, 8 years ago

#1613: vvl by default : start to update the DOC for change in vvl, LDF and solvers

File size: 2.3 KB
RevLine 
[2282]1!-----------------------------------------------------------------------
2&namzdf_tke    !   turbulent eddy kinetic dependent vertical diffusion  ("key_zdftke")
3!-----------------------------------------------------------------------
4   rn_ediff    =   0.1     !  coef. for vertical eddy coef. (avt=rn_ediff*mxl*sqrt(e) )
5   rn_ediss    =   0.7     !  coef. of the Kolmogoroff dissipation
[2376]6   rn_ebb      =  67.83    !  coef. of the surface input of tke (=67.83 suggested when ln_mxl0=T)
[2282]7   rn_emin     =   1.e-6   !  minimum value of tke [m2/s2]
8   rn_emin0    =   1.e-4   !  surface minimum value of tke [m2/s2]
[4147]9   rn_bshear   =   1.e-20  ! background shear (>0) currently a numerical threshold (do not change it)
[2282]10   nn_mxl      =   2       !  mixing length: = 0 bounded by the distance to surface and bottom
11                           !                 = 1 bounded by the local vertical scale factor
12                           !                 = 2 first vertical derivative of mixing length bounded by 1
[2376]13                           !                 = 3 as =2 with distinct disspipative an mixing length scale
[2282]14   nn_pdl      =   1       !  Prandtl number function of richarson number (=1, avt=pdl(Ri)*avm) or not (=0, avt=avm)
[2376]15   ln_mxl0     = .true.    !  surface mixing length scale = F(wind stress) (T) or not (F)
16   rn_mxl0     =   0.04    !  surface  buoyancy lenght scale minimum value
17   ln_lc       = .true.    !  Langmuir cell parameterisation (Axell 2002)
18   rn_lc       =   0.15    !  coef. associated to Langmuir cells
[2540]19   nn_etau     =   1       !  penetration of tke below the mixed layer (ML) due to internal & intertial waves
[2376]20                           !        = 0 no penetration
21                           !        = 1 add a tke source below the ML
22                           !        = 2 add a tke source just at the base of the ML
[6040]23                           !        = 3 as = 1 applied on HF part of the stress    ("key_oasis3")
[2376]24   rn_efr      =   0.05    !  fraction of surface tke value which penetrates below the ML (nn_etau=1 or 2)
25   nn_htau     =   1       !  type of exponential decrease of tke penetration below the ML
[2282]26                           !        = 0  constant 10 m length scale
[2376]27                           !        = 1  0.5m at the equator to 30m poleward of 40 degrees
[2540]28/
Note: See TracBrowser for help on using the repository browser.