[825] | 1 | MODULE ice |
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[2528] | 2 | !!====================================================================== |
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[9019] | 3 | !! *** MODULE ice *** |
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| 4 | !! sea-ice: ice variables defined in memory |
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| 5 | !!====================================================================== |
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[9604] | 6 | !! History : 3.0 ! 2008-03 (M. Vancoppenolle) Original code |
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| 7 | !! 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
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[2528] | 8 | !!---------------------------------------------------------------------- |
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[9570] | 9 | #if defined key_si3 |
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[825] | 10 | !!---------------------------------------------------------------------- |
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[9570] | 11 | !! 'key_si3' SI3 sea-ice model |
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[825] | 12 | !!---------------------------------------------------------------------- |
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[3625] | 13 | USE in_out_manager ! I/O manager |
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| 14 | USE lib_mpp ! MPP library |
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[825] | 15 | |
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| 16 | IMPLICIT NONE |
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| 17 | PRIVATE |
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[2528] | 18 | |
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[9019] | 19 | PUBLIC ice_alloc ! called by icestp.F90 |
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[2715] | 20 | |
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[834] | 21 | !!====================================================================== |
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| 22 | !! | |
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[2528] | 23 | !! I C E S T A T E V A R I A B L E S | |
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[834] | 24 | !! | |
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| 25 | !! Introduction : | |
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| 26 | !! -------------- | |
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| 27 | !! Every ice-covered grid cell is characterized by a series of state | |
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| 28 | !! variables. To account for unresolved spatial variability in ice | |
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| 29 | !! thickness, the ice cover in divided in ice thickness categories. | |
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| 30 | !! | |
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| 31 | !! Sea ice state variables depend on the ice thickness category | |
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| 32 | !! | |
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| 33 | !! Those variables are divided into two groups | |
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| 34 | !! * Extensive (or global) variables. | |
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| 35 | !! These are the variables that are transported by all means | |
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| 36 | !! * Intensive (or equivalent) variables. | |
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| 37 | !! These are the variables that are either physically more | |
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| 38 | !! meaningful and/or used in ice thermodynamics | |
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| 39 | !! | |
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| 40 | !! List of ice state variables : | |
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| 41 | !! ----------------------------- | |
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| 42 | !! | |
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| 43 | !!-------------|-------------|---------------------------------|-------| |
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| 44 | !! name in | name in | meaning | units | |
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| 45 | !! 2D routines | 1D routines | | | |
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| 46 | !!-------------|-------------|---------------------------------|-------| |
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| 47 | !! | |
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| 48 | !! ******************************************************************* | |
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| 49 | !! *** Dynamical variables (prognostic) *** | |
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| 50 | !! ******************************************************************* | |
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| 51 | !! | |
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| 52 | !! u_ice | - | Comp. U of the ice velocity | m/s | |
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| 53 | !! v_ice | - | Comp. V of the ice velocity | m/s | |
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| 54 | !! | |
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| 55 | !! ******************************************************************* | |
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| 56 | !! *** Category dependent state variables (prognostic) *** | |
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| 57 | !! ******************************************************************* | |
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| 58 | !! | |
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| 59 | !! ** Global variables | |
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| 60 | !!-------------|-------------|---------------------------------|-------| |
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[4872] | 61 | !! a_i | a_i_1d | Ice concentration | | |
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[834] | 62 | !! v_i | - | Ice volume per unit area | m | |
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| 63 | !! v_s | - | Snow volume per unit area | m | |
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[9019] | 64 | !! sv_i | - | Sea ice salt content | ppt.m | |
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| 65 | !! oa_i ! - ! Sea ice areal age content | s | |
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[5123] | 66 | !! e_i ! - ! Ice enthalpy | J/m2 | |
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[9019] | 67 | !! - ! e_i_1d ! Ice enthalpy per unit vol. | J/m3 | |
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[5123] | 68 | !! e_s ! - ! Snow enthalpy | J/m2 | |
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[9019] | 69 | !! - ! e_s_1d ! Snow enthalpy per unit vol. | J/m3 | |
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[834] | 70 | !! | |
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| 71 | !!-------------|-------------|---------------------------------|-------| |
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| 72 | !! | |
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| 73 | !! ** Equivalent variables | |
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| 74 | !!-------------|-------------|---------------------------------|-------| |
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| 75 | !! | |
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[9019] | 76 | !! h_i | h_i_1d | Ice thickness | m | |
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| 77 | !! h_s ! h_s_1d | Snow depth | m | |
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| 78 | !! s_i ! s_i_1d | Sea ice bulk salinity ! ppt | |
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| 79 | !! sz_i ! sz_i_1d | Sea ice salinity profile ! ppt | |
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| 80 | !! o_i ! - | Sea ice Age ! s | |
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[4872] | 81 | !! t_i ! t_i_1d | Sea ice temperature ! K | |
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| 82 | !! t_s ! t_s_1d | Snow temperature ! K | |
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| 83 | !! t_su ! t_su_1d | Sea ice surface temperature ! K | |
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[834] | 84 | !! | |
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| 85 | !! notes: the ice model only sees a bulk (i.e., vertically averaged) | |
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| 86 | !! salinity, except in thermodynamic computations, for which | |
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| 87 | !! the salinity profile is computed as a function of bulk | |
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| 88 | !! salinity | |
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| 89 | !! | |
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| 90 | !! the sea ice surface temperature is not associated to any | |
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| 91 | !! heat content. Therefore, it is not a state variable and | |
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| 92 | !! does not have to be advected. Nevertheless, it has to be | |
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| 93 | !! computed to determine whether the ice is melting or not | |
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| 94 | !! | |
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| 95 | !! ******************************************************************* | |
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| 96 | !! *** Category-summed state variables (diagnostic) *** | |
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| 97 | !! ******************************************************************* | |
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[4872] | 98 | !! at_i | at_i_1d | Total ice concentration | | |
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[834] | 99 | !! vt_i | - | Total ice vol. per unit area | m | |
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| 100 | !! vt_s | - | Total snow vol. per unit ar. | m | |
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[9019] | 101 | !! sm_i | - | Mean sea ice salinity | ppt | |
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[834] | 102 | !! tm_i | - | Mean sea ice temperature | K | |
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[9433] | 103 | !! tm_s | - | Mean snow temperature | K | |
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[5123] | 104 | !! et_i ! - ! Total ice enthalpy | J/m2 | |
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| 105 | !! et_s ! - ! Total snow enthalpy | J/m2 | |
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[7646] | 106 | !! bv_i ! - ! relative brine volume | ??? | |
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[834] | 107 | !!===================================================================== |
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[825] | 108 | |
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[9019] | 109 | !!---------------------------------------------------------------------- |
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[825] | 110 | !! * Share Module variables |
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[9019] | 111 | !!---------------------------------------------------------------------- |
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| 112 | ! !!** ice-generic parameters namelist (nampar) ** |
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| 113 | INTEGER , PUBLIC :: jpl !: number of ice categories |
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| 114 | INTEGER , PUBLIC :: nlay_i !: number of ice layers |
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| 115 | INTEGER , PUBLIC :: nlay_s !: number of snow layers |
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[9076] | 116 | INTEGER , PUBLIC :: nn_virtual_itd !: virtual ITD mono-category parameterizations (1-3) or not (0) |
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[9019] | 117 | LOGICAL , PUBLIC :: ln_icedyn !: flag for ice dynamics (T) or not (F) |
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| 118 | LOGICAL , PUBLIC :: ln_icethd !: flag for ice thermo (T) or not (F) |
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| 119 | REAL(wp) , PUBLIC :: rn_amax_n !: maximum ice concentration Northern hemisphere |
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| 120 | REAL(wp) , PUBLIC :: rn_amax_s !: maximum ice concentration Southern hemisphere |
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| 121 | CHARACTER(len=256), PUBLIC :: cn_icerst_in !: suffix of ice restart name (input) |
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| 122 | CHARACTER(len=256), PUBLIC :: cn_icerst_out !: suffix of ice restart name (output) |
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| 123 | CHARACTER(len=256), PUBLIC :: cn_icerst_indir !: ice restart input directory |
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| 124 | CHARACTER(len=256), PUBLIC :: cn_icerst_outdir !: ice restart output directory |
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[1465] | 125 | |
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[9019] | 126 | ! !!** ice-itd namelist (namitd) ** |
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| 127 | REAL(wp), PUBLIC :: rn_himin !: minimum ice thickness |
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[7646] | 128 | |
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[9019] | 129 | ! !!** ice-dynamics namelist (namdyn) ** |
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| 130 | REAL(wp), PUBLIC :: rn_ishlat !: lateral boundary condition for sea-ice |
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| 131 | LOGICAL , PUBLIC :: ln_landfast !: landfast ice parameterization (T or F) |
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| 132 | REAL(wp), PUBLIC :: rn_gamma !: fraction of ocean depth that ice must reach to initiate landfast ice |
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| 133 | REAL(wp), PUBLIC :: rn_icebfr !: maximum bottom stress per unit area of contact (landfast ice) |
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| 134 | REAL(wp), PUBLIC :: rn_lfrelax !: relaxation time scale (s-1) to reach static friction (landfast ice) |
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| 135 | ! |
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| 136 | ! !!** ice-rheology namelist (namrhg) ** |
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| 137 | LOGICAL , PUBLIC :: ln_aEVP !: using adaptive EVP (T or F) |
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[5123] | 138 | REAL(wp), PUBLIC :: rn_creepl !: creep limit : has to be under 1.0e-9 |
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| 139 | REAL(wp), PUBLIC :: rn_ecc !: eccentricity of the elliptical yield curve |
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[7646] | 140 | INTEGER , PUBLIC :: nn_nevp !: number of iterations for subcycling |
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[5123] | 141 | REAL(wp), PUBLIC :: rn_relast !: ratio => telast/rdt_ice (1/3 or 1/9 depending on nb of subcycling nevp) |
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[9019] | 142 | ! |
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| 143 | ! !!** ice-surface forcing namelist (namforcing) ** |
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| 144 | ! -- icethd_dh -- ! |
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| 145 | REAL(wp), PUBLIC :: rn_blow_s !: coef. for partitioning of snowfall between leads and sea ice |
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| 146 | ! -- icethd -- ! |
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| 147 | REAL(wp), PUBLIC :: rn_cio !: drag coefficient for oceanic stress |
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| 148 | INTEGER , PUBLIC :: nn_flxdist !: Redistribute heat flux over ice categories |
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| 149 | ! ! =-1 Do nothing (needs N(cat) fluxes) |
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| 150 | ! ! = 0 Average N(cat) fluxes then apply the average over the N(cat) ice |
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| 151 | ! ! = 1 Average N(cat) fluxes then redistribute over the N(cat) ice using T-ice and albedo sensitivity |
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| 152 | ! ! = 2 Redistribute a single flux over categories |
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| 153 | INTEGER , PUBLIC :: nice_jules !: Choice of jules coupling |
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| 154 | INTEGER , PUBLIC, PARAMETER :: np_jules_OFF = 0 !: no Jules coupling (ice thermodynamics forced via qsr and qns) |
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| 155 | INTEGER , PUBLIC, PARAMETER :: np_jules_EMULE = 1 !: emulated Jules coupling via icethd_zdf.F90 (BL99) (1st round compute qcn and qsr_tr, 2nd round use it) |
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| 156 | INTEGER , PUBLIC, PARAMETER :: np_jules_ACTIVE = 2 !: active Jules coupling (SM0L) (compute qcn and qsr_tr via sbcblk.F90 or sbccpl.F90) |
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[5123] | 157 | |
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[9019] | 158 | ! !!** ice-vertical diffusion namelist (namthd_zdf) ** |
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| 159 | LOGICAL , PUBLIC :: ln_cndi_U64 !: thermal conductivity: Untersteiner (1964) |
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| 160 | LOGICAL , PUBLIC :: ln_cndi_P07 !: thermal conductivity: Pringle et al (2007) |
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[7646] | 161 | REAL(wp), PUBLIC :: rn_kappa_i !: coef. for the extinction of radiation Grenfell et al. (2006) [1/m] |
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[9019] | 162 | REAL(wp), PUBLIC :: rn_cnd_s !: thermal conductivity of the snow [W/m/K] |
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[7646] | 163 | |
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[9019] | 164 | ! !!** ice-salinity namelist (namthd_sal) ** |
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[7646] | 165 | INTEGER , PUBLIC :: nn_icesal !: salinity configuration used in the model |
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| 166 | ! ! 1 - constant salinity in both space and time |
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| 167 | ! ! 2 - prognostic salinity (s(z,t)) |
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| 168 | ! ! 3 - salinity profile, constant in time |
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| 169 | REAL(wp), PUBLIC :: rn_icesal !: bulk salinity (ppt) in case of constant salinity |
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| 170 | REAL(wp), PUBLIC :: rn_simax !: maximum ice salinity [PSU] |
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| 171 | REAL(wp), PUBLIC :: rn_simin !: minimum ice salinity [PSU] |
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[825] | 172 | |
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[9019] | 173 | ! !!** ice-ponds namelist (namthd_pnd) |
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| 174 | LOGICAL , PUBLIC :: ln_pnd_H12 !: Melt ponds scheme from Holland et al 2012 |
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| 175 | LOGICAL , PUBLIC :: ln_pnd_fwb !: melt ponds store freshwater |
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| 176 | LOGICAL , PUBLIC :: ln_pnd_CST !: Melt ponds scheme with constant fraction and depth |
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| 177 | REAL(wp), PUBLIC :: rn_apnd !: prescribed pond fraction (0<rn_apnd<1) |
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| 178 | REAL(wp), PUBLIC :: rn_hpnd !: prescribed pond depth (0<rn_hpnd<1) |
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| 179 | LOGICAL , PUBLIC :: ln_pnd_alb !: melt ponds affect albedo |
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[825] | 180 | |
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[9019] | 181 | ! !!** ice-diagnostics namelist (namdia) ** |
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| 182 | LOGICAL , PUBLIC :: ln_icediachk !: flag for ice diag (T) or not (F) |
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| 183 | LOGICAL , PUBLIC :: ln_icediahsb !: flag for ice diag (T) or not (F) |
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| 184 | LOGICAL , PUBLIC :: ln_icectl !: flag for sea-ice points output (T) or not (F) |
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| 185 | INTEGER , PUBLIC :: iiceprt !: debug i-point |
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| 186 | INTEGER , PUBLIC :: jiceprt !: debug j-point |
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| 187 | |
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[7646] | 188 | ! !!** some other parameters |
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[9019] | 189 | INTEGER , PUBLIC :: kt_ice !: iteration number |
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[7646] | 190 | REAL(wp), PUBLIC :: rdt_ice !: ice time step |
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| 191 | REAL(wp), PUBLIC :: r1_rdtice !: = 1. / rdt_ice |
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[5123] | 192 | REAL(wp), PUBLIC :: r1_nlay_i !: 1 / nlay_i |
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| 193 | REAL(wp), PUBLIC :: r1_nlay_s !: 1 / nlay_s |
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[7646] | 194 | REAL(wp), PUBLIC :: rswitch !: switch for the presence of ice (1) or not (0) |
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[9019] | 195 | REAL(wp), PUBLIC :: rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft !: conservation diagnostics |
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| 196 | REAL(wp), PUBLIC, PARAMETER :: epsi06 = 1.e-06_wp !: small number |
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| 197 | REAL(wp), PUBLIC, PARAMETER :: epsi10 = 1.e-10_wp !: small number |
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| 198 | REAL(wp), PUBLIC, PARAMETER :: epsi20 = 1.e-20_wp !: small number |
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[4990] | 199 | |
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[9019] | 200 | |
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[7646] | 201 | ! !!** define arrays |
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[9019] | 202 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: u_oce,v_oce !: surface ocean velocity used in ice dynamics |
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| 203 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ht_i_new !: ice collection thickness accreted in leads |
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[7646] | 204 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: strength !: ice strength |
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[2715] | 205 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: stress1_i, stress2_i, stress12_i !: 1st, 2nd & diagonal stress tensor element |
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[7646] | 206 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: delta_i !: ice rheology elta factor (Flato & Hibler 95) [s-1] |
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[9604] | 207 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: divu_i !: Divergence of the velocity field [s-1] |
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| 208 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: shear_i !: Shear of the velocity field [s-1] |
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[2715] | 209 | ! |
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| 210 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: t_bo !: Sea-Ice bottom temperature [Kelvin] |
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[4688] | 211 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qlead !: heat balance of the lead (or of the open ocean) |
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| 212 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fhtur !: net downward heat flux from the ice to the ocean |
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| 213 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fhld !: heat flux from the lead used for bottom melting |
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| 214 | |
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[9604] | 215 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_snw !: snow-ocean mass exchange [kg.m-2.s-1] |
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[9019] | 216 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_snw_sni !: snow ice growth component of wfx_snw [kg.m-2.s-1] |
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[9604] | 217 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_snw_sum !: surface melt component of wfx_snw [kg.m-2.s-1] |
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| 218 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_pnd !: melt pond-ocean mass exchange [kg.m-2.s-1] |
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| 219 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_spr !: snow precipitation on ice [kg.m-2.s-1] |
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| 220 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sub !: sublimation of snow/ice [kg.m-2.s-1] |
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| 221 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_snw_sub !: snow sublimation [kg.m-2.s-1] |
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| 222 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_ice_sub !: ice sublimation [kg.m-2.s-1] |
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[4688] | 223 | |
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[9604] | 224 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_snw_dyn !: dynamical component of wfx_snw [kg.m-2.s-1] |
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[9019] | 225 | |
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[7646] | 226 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_ice !: ice-ocean mass exchange [kg.m-2.s-1] |
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| 227 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sni !: snow ice growth component of wfx_ice [kg.m-2.s-1] |
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| 228 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_opw !: lateral ice growth component of wfx_ice [kg.m-2.s-1] |
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| 229 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_bog !: bottom ice growth component of wfx_ice [kg.m-2.s-1] |
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| 230 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_dyn !: dynamical ice growth component of wfx_ice [kg.m-2.s-1] |
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| 231 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_bom !: bottom melt component of wfx_ice [kg.m-2.s-1] |
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| 232 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sum !: surface melt component of wfx_ice [kg.m-2.s-1] |
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| 233 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_lam !: lateral melt component of wfx_ice [kg.m-2.s-1] |
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| 234 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_res !: residual component of wfx_ice [kg.m-2.s-1] |
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[4688] | 235 | |
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[9604] | 236 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: afx_tot !: ice concentration tendency (total) [s-1] |
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[5123] | 237 | |
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[4688] | 238 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_bog !: salt flux due to ice growth/melt [PSU/m2/s] |
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| 239 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_bom !: salt flux due to ice growth/melt [PSU/m2/s] |
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[7646] | 240 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_lam !: salt flux due to ice growth/melt [PSU/m2/s] |
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[4688] | 241 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_sum !: salt flux due to ice growth/melt [PSU/m2/s] |
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| 242 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_sni !: salt flux due to ice growth/melt [PSU/m2/s] |
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| 243 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_opw !: salt flux due to ice growth/melt [PSU/m2/s] |
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[3625] | 244 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_bri !: salt flux due to brine rejection [PSU/m2/s] |
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[4688] | 245 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_dyn !: salt flux due to porous ridged ice formation [PSU/m2/s] |
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[3625] | 246 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_res !: residual salt flux due to correction of ice thickness [PSU/m2/s] |
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[825] | 247 | |
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[6416] | 248 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_sub !: salt flux due to ice sublimation |
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[4688] | 249 | |
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[9604] | 250 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_bog !: total heat flux causing bottom ice growth [W.m-2] |
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| 251 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_bom !: total heat flux causing bottom ice melt [W.m-2] |
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| 252 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_sum !: total heat flux causing surface ice melt [W.m-2] |
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| 253 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_opw !: total heat flux causing open water ice formation [W.m-2] |
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| 254 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_dif !: total heat flux causing Temp change in the ice [W.m-2] |
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| 255 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_snw !: heat flux for snow melt [W.m-2] |
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[6416] | 256 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_err_dif !: heat flux remaining due to change in non-solar flux [W.m-2] |
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[9604] | 257 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_err_rem !: heat flux error after heat remapping [W.m-2] |
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| 258 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_in !: heat flux available for thermo transformations [W.m-2] |
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[6416] | 259 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_out !: heat flux remaining at the end of thermo transformations [W.m-2] |
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[9604] | 260 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_err_sub !: mass flux error after sublimation [kg.m-2.s-1] |
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[6416] | 261 | |
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[4688] | 262 | ! heat flux associated with ice-atmosphere mass exchange |
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[9604] | 263 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_sub !: heat flux for sublimation [W.m-2] |
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[6416] | 264 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_spr !: heat flux of the snow precipitation [W.m-2] |
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[4688] | 265 | |
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| 266 | ! heat flux associated with ice-ocean mass exchange |
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[9019] | 267 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_thd !: ice-ocean heat flux from thermo processes (icethd_dh) [W.m-2] |
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| 268 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_dyn !: ice-ocean heat flux from ridging [W.m-2] |
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[6416] | 269 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_res !: residual heat flux due to correction of ice thickness [W.m-2] |
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[4688] | 270 | |
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[7646] | 271 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rn_amax_2d !: maximum ice concentration 2d array |
---|
| 272 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ftr_ice !: transmitted solar radiation under ice |
---|
[9019] | 273 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: t1_ice !: temperature of the first layer (Jules coupling) [K] |
---|
| 274 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: cnd_ice !: effective conductivity at the top of ice/snow (Jules coupling) [W.m-2.K-1] |
---|
[4688] | 275 | |
---|
[9019] | 276 | !!---------------------------------------------------------------------- |
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[834] | 277 | !! * Ice global state variables |
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[9019] | 278 | !!---------------------------------------------------------------------- |
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[834] | 279 | !! Variables defined for each ice category |
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[9019] | 280 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: h_i !: Ice thickness (m) |
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[7646] | 281 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: a_i !: Ice fractional areas (concentration) |
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| 282 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: v_i !: Ice volume per unit area (m) |
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| 283 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: v_s !: Snow volume per unit area(m) |
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[9019] | 284 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: h_s !: Snow thickness (m) |
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[7646] | 285 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: t_su !: Sea-Ice Surface Temperature (K) |
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[9019] | 286 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: s_i !: Sea-Ice Bulk salinity (ppt) |
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| 287 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sv_i !: Sea-Ice Bulk salinity times volume per area (ppt.m) |
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| 288 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: o_i !: Sea-Ice Age (s) |
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| 289 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: oa_i !: Sea-Ice Age times ice area (s) |
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[7646] | 290 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: bv_i !: brine volume |
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[825] | 291 | |
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[2715] | 292 | !! Variables summed over all categories, or associated to all the ice in a single grid cell |
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[7646] | 293 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: u_ice, v_ice !: components of the ice velocity (m/s) |
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| 294 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: vt_i , vt_s !: ice and snow total volume per unit area (m) |
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| 295 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: at_i !: ice total fractional area (ice concentration) |
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| 296 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ato_i !: =1-at_i ; total open water fractional area |
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| 297 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: et_i , et_s !: ice and snow total heat content |
---|
| 298 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: tm_i !: mean ice temperature over all categories |
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[9433] | 299 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: tm_s !: mean snw temperature over all categories |
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[7646] | 300 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: bvm_i !: brine volume averaged over all categories |
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[9019] | 301 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sm_i !: mean sea ice salinity averaged over all categories [PSU] |
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[7646] | 302 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: tm_su !: mean surface temperature over all categories |
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[9019] | 303 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hm_i !: mean ice thickness over all categories |
---|
| 304 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hm_s !: mean snow thickness over all categories |
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[7646] | 305 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: om_i !: mean ice age over all categories |
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| 306 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: tau_icebfr !: ice friction with bathy (landfast param activated) |
---|
[825] | 307 | |
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[9019] | 308 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: t_s !: Snow temperatures [K] |
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| 309 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: e_s !: Snow enthalpy [J/m2] |
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| 310 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: t_i !: ice temperatures [K] |
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| 311 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: e_i !: ice enthalpy [J/m2] |
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| 312 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sz_i !: ice salinity [PSU] |
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[825] | 313 | |
---|
[9019] | 314 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: a_ip !: melt pond fraction per grid cell area |
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| 315 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: v_ip !: melt pond volume per grid cell area [m] |
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| 316 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: a_ip_frac !: melt pond volume per ice area |
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| 317 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: h_ip !: melt pond thickness [m] |
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[825] | 318 | |
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[9019] | 319 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: at_ip !: total melt pond fraction |
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| 320 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: vt_ip !: total melt pond volume per unit area [m] |
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| 321 | |
---|
| 322 | !!---------------------------------------------------------------------- |
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[834] | 323 | !! * Old values of global variables |
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[9019] | 324 | !!---------------------------------------------------------------------- |
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| 325 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: v_s_b, v_i_b, h_s_b, h_i_b !: snow and ice volumes/thickness |
---|
| 326 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: a_i_b, sv_i_b, oa_i_b !: |
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| 327 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: e_s_b !: snow heat content |
---|
| 328 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: e_i_b !: ice temperatures |
---|
| 329 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: u_ice_b, v_ice_b !: ice velocity |
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| 330 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: at_i_b !: ice concentration (total) |
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[5123] | 331 | |
---|
[9019] | 332 | !!---------------------------------------------------------------------- |
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[834] | 333 | !! * Ice thickness distribution variables |
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[9019] | 334 | !!---------------------------------------------------------------------- |
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| 335 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: hi_max !: Boundary of ice thickness categories in thickness space |
---|
| 336 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: hi_mean !: Mean ice thickness in catgories |
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[4147] | 337 | ! |
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[9019] | 338 | !!---------------------------------------------------------------------- |
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[834] | 339 | !! * Ice diagnostics |
---|
[9019] | 340 | !!---------------------------------------------------------------------- |
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[5123] | 341 | ! thd refers to changes induced by thermodynamics |
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| 342 | ! trp '' '' '' advection (transport of ice) |
---|
[7646] | 343 | ! |
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[9019] | 344 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_trp_vi !: transport of ice volume |
---|
| 345 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_trp_vs !: transport of snw volume |
---|
| 346 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_trp_ei !: transport of ice enthalpy (W/m2) |
---|
| 347 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_trp_es !: transport of snw enthalpy (W/m2) |
---|
| 348 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_trp_sv !: transport of salt content |
---|
[4688] | 349 | ! |
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[9019] | 350 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_heat !: snw/ice heat content variation [W/m2] |
---|
| 351 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_sice !: ice salt content variation [] |
---|
| 352 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_vice !: ice volume variation [m/s] |
---|
| 353 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_vsnw !: snw volume variation [m/s] |
---|
| 354 | |
---|
[4688] | 355 | ! |
---|
[2715] | 356 | !!---------------------------------------------------------------------- |
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[9019] | 357 | !! * SIMIP extra diagnostics |
---|
| 358 | !!---------------------------------------------------------------------- |
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| 359 | ! Extra sea ice diagnostics to address the data request |
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| 360 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: t_si !: Temperature at Snow-ice interface (K) |
---|
| 361 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: tm_si !: mean temperature at the snow-ice interface (K) |
---|
| 362 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_fc_bo !: Bottom conduction flux (W/m2) |
---|
| 363 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_fc_su !: Surface conduction flux (W/m2) |
---|
| 364 | |
---|
| 365 | ! |
---|
| 366 | !!---------------------------------------------------------------------- |
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[9598] | 367 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
---|
[2715] | 368 | !! $Id$ |
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[9598] | 369 | !! Software governed by the CeCILL licence (./LICENSE) |
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[2715] | 370 | !!---------------------------------------------------------------------- |
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| 371 | CONTAINS |
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| 372 | |
---|
| 373 | FUNCTION ice_alloc() |
---|
| 374 | !!----------------------------------------------------------------- |
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[7813] | 375 | !! *** Routine ice_alloc *** |
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[2715] | 376 | !!----------------------------------------------------------------- |
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| 377 | INTEGER :: ice_alloc |
---|
| 378 | ! |
---|
[9604] | 379 | INTEGER :: ierr(15), ii |
---|
[2715] | 380 | !!----------------------------------------------------------------- |
---|
| 381 | ierr(:) = 0 |
---|
| 382 | |
---|
| 383 | ii = 1 |
---|
[9604] | 384 | ALLOCATE( u_oce (jpi,jpj) , v_oce (jpi,jpj) , ht_i_new (jpi,jpj) , strength(jpi,jpj) , & |
---|
| 385 | & stress1_i(jpi,jpj) , stress2_i(jpi,jpj) , stress12_i(jpi,jpj) , & |
---|
| 386 | & delta_i (jpi,jpj) , divu_i (jpi,jpj) , shear_i (jpi,jpj) , STAT=ierr(ii) ) |
---|
[2715] | 387 | |
---|
| 388 | ii = ii + 1 |
---|
[9019] | 389 | ALLOCATE( t_bo (jpi,jpj) , wfx_snw_sni(jpi,jpj) , & |
---|
| 390 | & wfx_snw(jpi,jpj) , wfx_snw_dyn(jpi,jpj) , wfx_snw_sum(jpi,jpj) , wfx_snw_sub(jpi,jpj) , & |
---|
| 391 | & wfx_ice(jpi,jpj) , wfx_sub (jpi,jpj) , wfx_ice_sub(jpi,jpj) , wfx_lam (jpi,jpj) , & |
---|
[9604] | 392 | & wfx_pnd(jpi,jpj) , & |
---|
| 393 | & wfx_bog(jpi,jpj) , wfx_dyn(jpi,jpj) , wfx_bom(jpi,jpj) , wfx_sum(jpi,jpj) , & |
---|
| 394 | & wfx_res(jpi,jpj) , wfx_sni(jpi,jpj) , wfx_opw(jpi,jpj) , wfx_spr(jpi,jpj) , & |
---|
| 395 | & afx_tot(jpi,jpj) , rn_amax_2d(jpi,jpj), & |
---|
| 396 | & fhtur (jpi,jpj) , qlead (jpi,jpj) , & |
---|
[7646] | 397 | & sfx_res(jpi,jpj) , sfx_bri(jpi,jpj) , sfx_dyn(jpi,jpj) , sfx_sub(jpi,jpj) , sfx_lam(jpi,jpj) , & |
---|
| 398 | & sfx_bog(jpi,jpj) , sfx_bom(jpi,jpj) , sfx_sum(jpi,jpj) , sfx_sni(jpi,jpj) , sfx_opw(jpi,jpj) , & |
---|
[9604] | 399 | & hfx_res(jpi,jpj) , hfx_snw(jpi,jpj) , hfx_sub(jpi,jpj) , & |
---|
[7646] | 400 | & hfx_in (jpi,jpj) , hfx_out(jpi,jpj) , fhld (jpi,jpj) , & |
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| 401 | & hfx_sum(jpi,jpj) , hfx_bom(jpi,jpj) , hfx_bog(jpi,jpj) , hfx_dif(jpi,jpj) , & |
---|
| 402 | & hfx_opw(jpi,jpj) , hfx_thd(jpi,jpj) , hfx_dyn(jpi,jpj) , hfx_spr(jpi,jpj) , & |
---|
| 403 | & hfx_err_dif(jpi,jpj) , hfx_err_rem(jpi,jpj) , wfx_err_sub(jpi,jpj) , STAT=ierr(ii) ) |
---|
[2715] | 404 | |
---|
| 405 | ! * Ice global state variables |
---|
| 406 | ii = ii + 1 |
---|
[9604] | 407 | ALLOCATE( ftr_ice(jpi,jpj,jpl) , cnd_ice(jpi,jpj,jpl) , t1_ice(jpi,jpj,jpl) , & |
---|
| 408 | & h_i (jpi,jpj,jpl) , a_i (jpi,jpj,jpl) , v_i (jpi,jpj,jpl) , & |
---|
| 409 | & v_s (jpi,jpj,jpl) , h_s (jpi,jpj,jpl) , t_su (jpi,jpj,jpl) , & |
---|
| 410 | & s_i (jpi,jpj,jpl) , sv_i (jpi,jpj,jpl) , o_i (jpi,jpj,jpl) , & |
---|
| 411 | & oa_i (jpi,jpj,jpl) , bv_i (jpi,jpj,jpl) , STAT=ierr(ii) ) |
---|
| 412 | |
---|
[2715] | 413 | ii = ii + 1 |
---|
[9604] | 414 | ALLOCATE( u_ice(jpi,jpj) , v_ice(jpi,jpj) , & |
---|
| 415 | & vt_i (jpi,jpj) , vt_s (jpi,jpj) , at_i(jpi,jpj) , ato_i(jpi,jpj) , & |
---|
| 416 | & et_i (jpi,jpj) , et_s (jpi,jpj) , tm_i(jpi,jpj) , tm_s (jpi,jpj) , & |
---|
| 417 | & sm_i (jpi,jpj) , tm_su(jpi,jpj) , hm_i(jpi,jpj) , hm_s (jpi,jpj) , & |
---|
| 418 | & om_i (jpi,jpj) , bvm_i(jpi,jpj) , tau_icebfr(jpi,jpj) , STAT=ierr(ii) ) |
---|
| 419 | |
---|
[2715] | 420 | ii = ii + 1 |
---|
[5123] | 421 | ALLOCATE( t_s(jpi,jpj,nlay_s,jpl) , e_s(jpi,jpj,nlay_s,jpl) , STAT=ierr(ii) ) |
---|
[9604] | 422 | |
---|
[2715] | 423 | ii = ii + 1 |
---|
[9019] | 424 | ALLOCATE( t_i(jpi,jpj,nlay_i,jpl) , e_i(jpi,jpj,nlay_i,jpl) , sz_i(jpi,jpj,nlay_i,jpl) , STAT=ierr(ii) ) |
---|
[2715] | 425 | |
---|
| 426 | ii = ii + 1 |
---|
[9019] | 427 | ALLOCATE( a_ip(jpi,jpj,jpl) , v_ip(jpi,jpj,jpl) , a_ip_frac(jpi,jpj,jpl) , h_ip(jpi,jpj,jpl) , STAT = ierr(ii) ) |
---|
[9604] | 428 | |
---|
[2715] | 429 | ii = ii + 1 |
---|
[9019] | 430 | ALLOCATE( at_ip(jpi,jpj) , vt_ip(jpi,jpj) , STAT = ierr(ii) ) |
---|
[2715] | 431 | |
---|
| 432 | ! * Old values of global variables |
---|
| 433 | ii = ii + 1 |
---|
[9604] | 434 | ALLOCATE( v_s_b (jpi,jpj,jpl) , v_i_b (jpi,jpj,jpl) , h_s_b(jpi,jpj,jpl) , h_i_b(jpi,jpj,jpl) , & |
---|
| 435 | & a_i_b (jpi,jpj,jpl) , sv_i_b(jpi,jpj,jpl) , e_i_b(jpi,jpj,nlay_i,jpl) , e_s_b(jpi,jpj,nlay_s,jpl) , & |
---|
| 436 | & oa_i_b(jpi,jpj,jpl) , STAT=ierr(ii) ) |
---|
| 437 | |
---|
[7646] | 438 | ii = ii + 1 |
---|
| 439 | ALLOCATE( u_ice_b(jpi,jpj) , v_ice_b(jpi,jpj) , at_i_b(jpi,jpj) , STAT=ierr(ii) ) |
---|
[2715] | 440 | |
---|
| 441 | ! * Ice thickness distribution variables |
---|
| 442 | ii = ii + 1 |
---|
[4869] | 443 | ALLOCATE( hi_max(0:jpl), hi_mean(jpl), STAT=ierr(ii) ) |
---|
[2715] | 444 | |
---|
| 445 | ! * Ice diagnostics |
---|
| 446 | ii = ii + 1 |
---|
[7646] | 447 | ALLOCATE( diag_trp_vi(jpi,jpj) , diag_trp_vs (jpi,jpj) , diag_trp_ei(jpi,jpj), & |
---|
[9019] | 448 | & diag_trp_es(jpi,jpj) , diag_trp_sv (jpi,jpj) , diag_heat (jpi,jpj), & |
---|
| 449 | & diag_sice (jpi,jpj) , diag_vice (jpi,jpj) , diag_vsnw (jpi,jpj), STAT=ierr(ii) ) |
---|
[2715] | 450 | |
---|
[9019] | 451 | ! * SIMIP diagnostics |
---|
| 452 | ii = ii + 1 |
---|
| 453 | ALLOCATE( t_si (jpi,jpj,jpl) , tm_si(jpi,jpj) , diag_fc_bo(jpi,jpj) , diag_fc_su(jpi,jpj) , STAT = ierr(ii) ) |
---|
| 454 | |
---|
[2715] | 455 | ice_alloc = MAXVAL( ierr(:) ) |
---|
[7646] | 456 | IF( ice_alloc /= 0 ) CALL ctl_warn('ice_alloc: failed to allocate arrays.') |
---|
[2715] | 457 | ! |
---|
| 458 | END FUNCTION ice_alloc |
---|
| 459 | |
---|
[825] | 460 | #else |
---|
| 461 | !!---------------------------------------------------------------------- |
---|
[9570] | 462 | !! Default option Empty module NO SI3 sea-ice model |
---|
[825] | 463 | !!---------------------------------------------------------------------- |
---|
| 464 | #endif |
---|
| 465 | |
---|
| 466 | !!====================================================================== |
---|
| 467 | END MODULE ice |
---|