source:
branches/2013/dev_LOCEAN_2013/DOC/TexFiles/Namelist/namtra_ldf
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8440
Last change on this file since 8440 was 4147, checked in by cetlod, 11 years ago | |
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File size: 1.9 KB |
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[3294] | 1 | !---------------------------------------------------------------------------------- |
2 | &namtra_ldf ! lateral diffusion scheme for tracers | |
3 | !---------------------------------------------------------------------------------- | |
4 | ! ! Operator type: | |
5 | ln_traldf_lap = .true. ! laplacian operator | |
6 | ln_traldf_bilap = .false. ! bilaplacian operator | |
[3296] | 7 | ! ! Direction of action: |
[3294] | 8 | ln_traldf_level = .false. ! iso-level |
[3296] | 9 | ln_traldf_hor = .false. ! horizontal (geopotential) (needs "key_ldfslp" when ln_sco=T) |
[3294] | 10 | ln_traldf_iso = .true. ! iso-neutral (needs "key_ldfslp") |
[3296] | 11 | ! ! Griffies parameters (all need "key_ldfslp") |
12 | ln_traldf_grif = .false. ! use griffies triads | |
13 | ln_traldf_gdia = .false. ! output griffies eddy velocities | |
14 | ln_triad_iso = .false. ! pure lateral mixing in ML | |
15 | ln_botmix_grif = .false. ! lateral mixing on bottom | |
[3294] | 16 | ! ! Coefficients |
[3296] | 17 | ! Eddy-induced (GM) advection always used with Griffies; otherwise needs "key_traldf_eiv" |
18 | ! Value rn_aeiv_0 is ignored unless = 0 with Held-Larichev spatially varying aeiv | |
19 | ! (key_traldf_c2d & key_traldf_eiv & key_orca_r2, _r1 or _r05) | |
[3294] | 20 | rn_aeiv_0 = 2000. ! eddy induced velocity coefficient [m2/s] |
[2540] | 21 | rn_aht_0 = 2000. ! horizontal eddy diffusivity for tracers [m2/s] |
22 | rn_ahtb_0 = 0. ! background eddy diffusivity for ldf_iso [m2/s] | |
[3294] | 23 | ! (normally=0; not used with Griffies) |
[4147] | 24 | rn_slpmax = 0.01 ! slope limit |
25 | rn_chsmag = 1. ! multiplicative factor in Smagorinsky diffusivity | |
26 | rn_smsh = 1. ! Smagorinsky diffusivity: = 0 - use only sheer | |
27 | rn_aht_m = 2000. ! upper limit or stability criteria for lateral eddy diffusivity (m2/s) | |
[2540] | 28 | / |
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