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