source:
NEMO/trunk/doc/namelists/namtra_ldf
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9596
| Last change on this file since 9596 was 9355, checked in by nicolasmartin, 6 years ago | |
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| 1 | !----------------------------------------------------------------------- |
| 2 | &namtra_ldf ! lateral diffusion scheme for tracers (default: NO selection) |
| 3 | !----------------------------------------------------------------------- |
| 4 | ! ! Operator type: |
| 5 | ln_traldf_NONE = .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 coef |
| 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 | rn_aht_0 = 2000. ! lateral eddy diffusivity (lap. operator) [m2/s] |
| 32 | rn_bht_0 = 1.e+12 ! lateral eddy diffusivity (bilap. operator) [m4/s] |
| 33 | / |
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