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namtra_ldf in NEMO/branches/UKMO/NEMO4_beta_mirror/doc/namelists – NEMO

source: NEMO/branches/UKMO/NEMO4_beta_mirror/doc/namelists/namtra_ldf @ 10321

Last change on this file since 10321 was 10321, checked in by davestorkey, 5 years ago

UKMO/NEMO4_beta_mirror: Update to version 10279 of the trunk.

  • Property svn:mime-type set to text/x-fortran
File size: 2.3 KB
Line 
1!-----------------------------------------------------------------------
2&namtra_ldf    !   lateral diffusion scheme for tracers                 (default: NO selection)
3!-----------------------------------------------------------------------
4   !                       !  Operator type:
5   ln_traldf_OFF   = .false.   !  No explicit diffusion
6   ln_traldf_lap   = .false.   !    laplacian operator
7   ln_traldf_blp   = .false.   !  bilaplacian operator
8   !
9   !                       !  Direction of action:
10   ln_traldf_lev   = .false.   !  iso-level
11   ln_traldf_hor   = .false.   !  horizontal  (geopotential)
12   ln_traldf_iso   = .false.   !  iso-neutral (standard operator)
13   ln_traldf_triad = .false.   !  iso-neutral (triad    operator)
14   !
15   !                       !  iso-neutral options:       
16   ln_traldf_msc   = .false.   !  Method of Stabilizing Correction      (both operators)
17   rn_slpmax       =  0.01     !  slope limit                           (both operators)
18   ln_triad_iso    = .false.   !  pure horizontal mixing in ML              (triad only)
19   rn_sw_triad     = 1         !  =1 switching triad ; =0 all 4 triads used (triad only)
20   ln_botmix_triad = .false.   !  lateral mixing on bottom                  (triad only)
21   !
22   !                       !  Coefficients:
23   nn_aht_ijk_t    = 0         !  space/time variation of eddy coefficient:
24      !                             !   =-20 (=-30)    read in eddy_diffusivity_2D.nc (..._3D.nc) file
25      !                             !   =  0           constant
26      !                             !   = 10 F(k)      =ldf_c1d
27      !                             !   = 20 F(i,j)    =ldf_c2d
28      !                             !   = 21 F(i,j,t)  =Treguier et al. JPO 1997 formulation
29      !                             !   = 30 F(i,j,k)  =ldf_c2d * ldf_c1d
30      !                             !   = 31 F(i,j,k,t)=F(local velocity and grid-spacing)
31      !                        !  time invariant coefficients:  aht0 = 1/2  Ud*Ld   (lap case)
32      !                             !                           or   = 1/12 Ud*Ld^3 (blp case)
33      rn_Ud        = 0.01           !  lateral diffusive velocity [m/s] (nn_aht_ijk_t= 0, 10, 20, 30)
34      rn_Ld        = 200.e+3        !  lateral diffusive length   [m]   (nn_aht_ijk_t= 0, 10)
35/
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