source:
branches/2017/dev_merge_2017/DOC/Namelists/namtra_ldf
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9105
Last change on this file since 9105 was 9019, checked in by timgraham, 7 years ago | |
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File size: 2.0 KB |
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[6140] | 1 | !----------------------------------------------------------------------- |
[9019] | 2 | &namtra_ldf ! lateral diffusion scheme for tracers (default: NO selection) |
[6140] | 3 | !----------------------------------------------------------------------- |
[3294] | 4 | ! ! Operator type: |
[9019] | 5 | ln_traldf_NONE = .false. ! No explicit diffusion |
[6140] | 6 | ln_traldf_lap = .false. ! laplacian operator |
7 | ln_traldf_blp = .false. ! bilaplacian operator | |
[6997] | 8 | ! |
[3296] | 9 | ! ! Direction of action: |
[6140] | 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] | |
[2540] | 33 | / |
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