| 1 | !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 2 | !! SI3 configuration namelist: Overwrites SHARED/namelist_ice_ref |
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| 3 | !! 1 - Generic parameters (nampar) |
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| 4 | !! 2 - Ice thickness discretization (namitd) |
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| 5 | !! 3 - Ice dynamics (namdyn) |
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| 6 | !! 4 - Ice ridging/rafting (namdyn_rdgrft) |
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| 7 | !! 5 - Ice rheology (namdyn_rhg) |
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| 8 | !! 6 - Ice advection (namdyn_adv) |
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| 9 | !! 7 - Ice surface boundary conditions (namsbc) |
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| 10 | !! 8 - Ice thermodynamics (namthd) |
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| 11 | !! 9 - Ice heat diffusion (namthd_zdf) |
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| 12 | !! 10 - Ice lateral melting (namthd_da) |
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| 13 | !! 11 - Ice growth in open water (namthd_do) |
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| 14 | !! 12 - Ice salinity (namthd_sal) |
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| 15 | !! 13 - Ice melt ponds (namthd_pnd) |
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| 16 | !! 14 - Ice initialization (namini) |
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| 17 | !! 15 - Ice/snow albedos (namalb) |
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| 18 | !! 16 - Ice diagnostics (namdia) |
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| 19 | !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 20 | ! |
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| 21 | !------------------------------------------------------------------------------ |
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| 22 | &nampar ! Generic parameters |
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| 23 | !------------------------------------------------------------------------------ |
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| 24 | jpl = 10 ! number of ice categories |
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| 25 | nlay_i = 5 ! number of ice layers |
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| 26 | nlay_s = 5 ! number of snw layers |
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| 27 | / |
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| 28 | !------------------------------------------------------------------------------ |
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| 29 | &namitd ! Ice discretization |
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| 30 | !------------------------------------------------------------------------------ |
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| 31 | ln_cat_hfn = .true. ! ice categories are defined by a function following rn_himean**(-0.05) |
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| 32 | rn_himean = 2.0 ! expected domain-average ice thickness (m) |
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| 33 | rn_himin = 0.01 ! minimum ice thickness (m) used in remapping |
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| 34 | / |
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| 35 | !------------------------------------------------------------------------------ |
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| 36 | &namdyn ! Ice dynamics |
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| 37 | !------------------------------------------------------------------------------ |
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| 38 | ln_landfast_L16 = .true. ! landfast: parameterization from Lemieux 2016 |
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| 39 | / |
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| 40 | !------------------------------------------------------------------------------ |
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| 41 | &namdyn_rdgrft ! Ice ridging/rafting |
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| 42 | !------------------------------------------------------------------------------ |
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| 43 | / |
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| 44 | !------------------------------------------------------------------------------ |
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| 45 | &namdyn_rhg ! Ice rheology |
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| 46 | !------------------------------------------------------------------------------ |
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| 47 | / |
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| 48 | !------------------------------------------------------------------------------ |
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| 49 | &namdyn_adv ! Ice advection |
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| 50 | !------------------------------------------------------------------------------ |
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| 51 | ln_adv_Pra = .false. ! Advection scheme (Prather) |
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| 52 | ln_adv_UMx = .true. ! Advection scheme (Ultimate-Macho) |
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| 53 | nn_UMx = 5 ! order of the scheme for UMx (1-5 ; 20=centered 2nd order) |
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| 54 | / |
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| 55 | !------------------------------------------------------------------------------ |
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| 56 | &namsbc ! Ice surface boundary conditions |
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| 57 | !------------------------------------------------------------------------------ |
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| 58 | nn_snwfra = 0 ! calculate the fraction of ice covered by snow (for zdf and albedo) |
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| 59 | ! = 0 fraction = 1 (if snow) or 0 (if no snow) |
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| 60 | ! = 1 fraction = 1-exp(-0.2*rhos*hsnw) [MetO formulation] |
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| 61 | ! = 2 fraction = hsnw / (hsnw+0.02) [CICE formulation] |
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| 62 | nn_qtrice = 0 ! Solar flux transmitted thru the surface scattering layer: |
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| 63 | ! = 0 Grenfell and Maykut 1977 (depends on cloudiness and is 0 when there is snow) |
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| 64 | ! = 1 Lebrun 2019 (equals 0.3 anytime with different melting/dry snw conductivities) |
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| 65 | / |
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| 66 | !------------------------------------------------------------------------------ |
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| 67 | &namthd ! Ice thermodynamics |
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| 68 | !------------------------------------------------------------------------------ |
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| 69 | / |
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| 70 | !------------------------------------------------------------------------------ |
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| 71 | &namthd_zdf ! Ice heat diffusion |
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| 72 | !------------------------------------------------------------------------------ |
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| 73 | / |
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| 74 | !------------------------------------------------------------------------------ |
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| 75 | &namthd_da ! Ice lateral melting |
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| 76 | !------------------------------------------------------------------------------ |
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| 77 | / |
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| 78 | !------------------------------------------------------------------------------ |
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| 79 | &namthd_do ! Ice growth in open water |
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| 80 | !------------------------------------------------------------------------------ |
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| 81 | rn_hinew = 0.02 ! thickness for new ice formation in open water (m), must be larger than rn_himin |
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| 82 | ln_frazil = .true. ! Frazil ice parameterization (ice collection as a function of wind) |
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| 83 | / |
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| 84 | !------------------------------------------------------------------------------ |
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| 85 | &namthd_sal ! Ice salinity |
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| 86 | !------------------------------------------------------------------------------ |
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| 87 | / |
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| 88 | !------------------------------------------------------------------------------ |
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| 89 | &namthd_pnd ! Melt ponds |
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| 90 | !------------------------------------------------------------------------------ |
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| 91 | ln_pnd = .false. ! activate melt ponds or not |
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| 92 | ln_pnd_LEV = .false. ! activate level ice melt ponds |
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| 93 | / |
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| 94 | |
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| 95 | !------------------------------------------------------------------------------ |
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| 96 | &namini ! Ice initialization |
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| 97 | !------------------------------------------------------------------------------ |
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| 98 | ln_iceini = .true. ! activate ice initialization (T) or not (F) |
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| 99 | rn_thres_sst = 0.5 ! max delta temp. above Tfreeze with initial ice = (sst - tfreeze) |
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| 100 | rn_hts_ini_n = 0.1 ! initial real snow thickness (m), North |
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| 101 | rn_hti_ini_n = 1.0 ! initial real ice thickness (m), North |
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| 102 | rn_ati_ini_n = 0.9 ! initial ice concentration (-), North |
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| 103 | rn_smi_ini_n = 6.0 ! initial ice salinity (g/kg), North |
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| 104 | rn_tmi_ini_n = 267. ! initial ice/snw temperature (K), North |
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| 105 | / |
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| 106 | !------------------------------------------------------------------------------ |
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| 107 | &namalb ! albedo parameters |
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| 108 | !------------------------------------------------------------------------------ |
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| 109 | / |
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| 110 | !------------------------------------------------------------------------------ |
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| 111 | &namdia ! Diagnostics |
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| 112 | !------------------------------------------------------------------------------ |
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| 113 | / |
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