1 | !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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2 | !! NEMO/LIM-3 : Ice configuration namelist. Overwrites SHARED/namelist_ice_lim3_ref |
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3 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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4 | |
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5 | !----------------------------------------------------------------------- |
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6 | &namicerun ! Share parameters for dynamics/advection/thermo |
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7 | !----------------------------------------------------------------------- |
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8 | cn_icerst_in = "restart_ice_in" ! suffix of ice restart name (input) |
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9 | rn_amax_n = 0.997 ! maximum tolerated ice concentration NH |
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10 | rn_amax_s = 0.950 ! maximum tolerated ice concentration SH |
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11 | ln_limdiahsb = .false. ! check the heat and salt budgets (T) or not (F) |
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12 | ln_limndg = .true. ! activate sea ice nudging (T) or not (F) !!AS |
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13 | ln_limdiaout = .true. ! output the heat and salt budgets (T) or not (F) |
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14 | / |
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15 | !----------------------------------------------------------------------- |
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16 | &namiceini ! ice initialisation |
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17 | !----------------------------------------------------------------------- |
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18 | / |
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19 | !----------------------------------------------------------------------- |
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20 | &namicendg ! Sea ice nudging ! 06/2019 - Vladimir Lapin (06/2019) |
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21 | !----------------------------------------------------------------------- |
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22 | ! ! filename ! freq ! variable name ! time ! clim ! year or ! weights ! rot ! mask |
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23 | ! ! ! ! ! interp ! ! monthly ! filename ! pair ! filename |
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24 | !---------------------------------------------------------------------------------------------------------------------------------------- |
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25 | sn_sic = 'sic_restore_data' , -1. , 'siconc' , .true. , .true. , 'yearly' , '' , '' , '' |
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26 | sn_sit = 'sit_restore_data' , -1. , 'THICKNESS_SEAICE' , .true. , .true. , 'yearly' , '' , '' , '' |
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27 | sn_msk = 'mask_si_restore' , -12. , 'mask' , .false. , .true. , 'yearly' , '' , '' , '' |
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28 | ! |
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29 | cn_dir = './' ! root directory for the location of the target files |
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30 | nn_icendg = 1 ! add nudging fluxes based on SIC (=1), SIC and SIT (=2), or no restoring (=0) |
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31 | nn_sstdmp = 0 ! add extra heat fluxes to qns_oce which relax SST to freezing point and prevent new ice formation term (=1); do nothing (=0) |
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32 | rn_dqdt_mlt = 1200. ! nudging coeff for creating ice (oce-ice flux) [W/m3] |
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33 | rn_dqdt_frz = 1200. ! nudging coeff for melting ice (atm-ice flux) [W/m3] |
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34 | rn_ndg_thld = 0.01 ! nudging activation threshold based on SIC, nudging is ON if |sic_model - sic_target| > rn_ndg_thld |
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35 | nn_msk = 0 ! add a mask to the sea ice nudging scheme (=1) or not (=0) |
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36 | ! sn_msk can be empty if nn_msk = 0 |
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37 | / |
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38 | !----------------------------------------------------------------------- |
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39 | &namicedyn ! ice dynamic |
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40 | !----------------------------------------------------------------------- |
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41 | / |
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42 | !------------------------------------------------------------------------------ |
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43 | &namicehdf ! Ice horizontal diffusion |
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44 | !------------------------------------------------------------------------------ |
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45 | / |
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46 | !----------------------------------------------------------------------- |
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47 | &namicethd ! ice thermodynamic |
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48 | !----------------------------------------------------------------------- |
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49 | rn_cdsn = 0.50 ! thermal conductivity of the snow (0.31 W/m/K, Maykut and Untersteiner, 1971) |
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50 | ! Obs: 0.1-0.5 (Lecomte et al, JAMES 2013) |
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51 | / |
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52 | !----------------------------------------------------------------------- |
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53 | &namicesal ! ice salinity |
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54 | !----------------------------------------------------------------------- |
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55 | / |
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56 | !----------------------------------------------------------------------- |
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57 | &namiceitdme ! parameters for mechanical redistribution of ice |
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58 | !----------------------------------------------------------------------- |
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59 | rn_astar = 0.03 ! exponential measure of ridging ice fraction (nn_partfun = 1) |
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60 | rn_hstar = 25.0 ! determines the maximum thickness of ridged ice (m) (Hibler, 1980) |
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61 | / |
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62 | !----------------------------------------------------------------------- |
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63 | &namicedia ! ice diagnostics |
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64 | !----------------------------------------------------------------------- |
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65 | / |
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66 | !------------------------------------------------------------------------------ |
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67 | &namiceitd ! Ice discretization |
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68 | !------------------------------------------------------------------------------ |
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69 | rn_himax_bot = 99. ! max ice thickness in the last category jpl |
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70 | / |
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