[8321] | 1 | MODULE icestp |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE icestp *** |
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| 4 | !! Surface module : update the ocean surface boundary condition over ice |
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[8534] | 5 | !! covered area using ESIM sea-ice model |
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[8321] | 6 | !!===================================================================== |
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| 7 | !! History : 2.0 ! 2006-12 (M. Vancoppenolle) Original code |
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| 8 | !! 3.0 ! 2008-02 (C. Talandier) Surface module from icestp.F90 |
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[8411] | 9 | !! - ! 2008-04 (G. Madec) sltyle and ice_ctl routine |
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[8321] | 10 | !! 3.3 ! 2010-11 (G. Madec) ice-ocean stress always computed at each ocean time-step |
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| 11 | !! 3.4 ! 2011-01 (A Porter) dynamical allocation |
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[8426] | 12 | !! - ! 2012-10 (C. Rousset) add ice_dia |
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[8321] | 13 | !! 3.6 ! 2014-07 (M. Vancoppenolle, G. Madec, O. Marti) revise coupled interface |
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| 14 | !! 4.0 ! 2016-06 (L. Brodeau) new unified bulk routine (based on AeroBulk) |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | #if defined key_lim3 |
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| 17 | !!---------------------------------------------------------------------- |
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[8534] | 18 | !! 'key_lim3' ESIM sea-ice model |
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[8321] | 19 | !!---------------------------------------------------------------------- |
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[8534] | 20 | !! ice_stp : sea-ice model time-stepping and update ocean SBC over ice-covered area |
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| 21 | !! ice_init : initialize sea-ice |
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[8321] | 22 | !!---------------------------------------------------------------------- |
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[8486] | 23 | USE oce ! ocean dynamics and tracers |
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| 24 | USE dom_oce ! ocean space and time domain |
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| 25 | USE c1d ! 1D vertical configuration |
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| 26 | USE ice ! sea-ice: variables |
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| 27 | USE ice1D ! sea-ice: thermodynamical 1D variables |
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[8321] | 28 | ! |
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[8534] | 29 | USE phycst ! Define parameters for the routines |
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| 30 | USE eosbn2 ! equation of state |
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[8486] | 31 | USE sbc_oce ! Surface boundary condition: ocean fields |
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| 32 | USE sbc_ice ! Surface boundary condition: ice fields |
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[8534] | 33 | ! |
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[8486] | 34 | USE iceforcing ! sea-ice: Surface boundary condition !!gm why not icesbc module name |
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[8516] | 35 | USE icedyn ! sea-ice: dynamics |
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[8486] | 36 | USE icethd ! sea-ice: thermodynamics |
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[8534] | 37 | USE icecor ! sea-ice: corrections |
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[8486] | 38 | USE iceupdate ! sea-ice: sea surface boundary condition update |
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| 39 | USE icedia ! sea-ice: budget diagnostics |
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| 40 | USE icewri ! sea-ice: outputs |
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| 41 | USE icerst ! sea-ice: restarts |
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| 42 | USE icevar ! sea-ice: operations |
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| 43 | USE icectl ! sea-ice: control |
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[8514] | 44 | USE iceistate ! sea-ice: initial state |
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[8505] | 45 | USE iceitd ! sea-ice: remapping thickness distribution |
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| 46 | USE icealb ! sea-ice: albedo |
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[8321] | 47 | ! |
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[8486] | 48 | USE bdy_oce , ONLY : ln_bdy ! flag for bdy |
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| 49 | USE bdyice ! unstructured open boundary data for sea-ice |
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[8321] | 50 | # if defined key_agrif |
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| 51 | USE agrif_ice |
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| 52 | USE agrif_lim3_update |
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| 53 | USE agrif_lim3_interp |
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| 54 | # endif |
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[8486] | 55 | ! |
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| 56 | USE in_out_manager ! I/O manager |
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| 57 | USE iom ! I/O manager library |
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| 58 | USE lib_mpp ! MPP library |
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[8534] | 59 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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[8486] | 60 | USE timing ! Timing |
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[8534] | 61 | USE prtctl ! Print control |
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[8321] | 62 | |
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| 63 | IMPLICIT NONE |
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| 64 | PRIVATE |
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| 65 | |
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[8486] | 66 | PUBLIC ice_stp ! called by sbcmod.F90 |
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| 67 | PUBLIC ice_init ! called by sbcmod.F90 |
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[8321] | 68 | |
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| 69 | !! * Substitutions |
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| 70 | # include "vectopt_loop_substitute.h90" |
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| 71 | !!---------------------------------------------------------------------- |
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[8486] | 72 | !! NEMO/ICE 4.0 , NEMO Consortium (2017) |
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[8321] | 73 | !! $Id: icestp.F90 8319 2017-07-11 15:00:44Z clem $ |
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| 74 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 75 | !!---------------------------------------------------------------------- |
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| 76 | CONTAINS |
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| 77 | |
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| 78 | SUBROUTINE ice_stp( kt, ksbc ) |
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| 79 | !!--------------------------------------------------------------------- |
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| 80 | !! *** ROUTINE ice_stp *** |
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| 81 | !! |
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[8486] | 82 | !! ** Purpose : sea-ice model time-stepping and update ocean surface |
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| 83 | !! boundary condition over ice-covered area |
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[8321] | 84 | !! |
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| 85 | !! ** Method : ice model time stepping |
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| 86 | !! - call the ice dynamics routine |
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| 87 | !! - call the ice advection/diffusion routine |
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| 88 | !! - call the ice thermodynamics routine |
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| 89 | !! - call the routine that computes mass and |
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| 90 | !! heat fluxes at the ice/ocean interface |
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| 91 | !! - save the outputs |
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| 92 | !! - save the outputs for restart when necessary |
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| 93 | !! |
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| 94 | !! ** Action : - time evolution of the LIM sea-ice model |
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| 95 | !! - update all sbc variables below sea-ice: |
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| 96 | !! utau, vtau, taum, wndm, qns , qsr, emp , sfx |
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| 97 | !!--------------------------------------------------------------------- |
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| 98 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[8486] | 99 | INTEGER, INTENT(in) :: ksbc ! flux formulation (user defined, bulk, or Pure Coupled) |
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| 100 | ! |
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| 101 | INTEGER :: jl ! dummy loop index |
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[8321] | 102 | !!---------------------------------------------------------------------- |
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[8486] | 103 | ! |
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[8321] | 104 | IF( nn_timing == 1 ) CALL timing_start('ice_stp') |
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[8486] | 105 | ! |
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| 106 | ! !-----------------------! |
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| 107 | IF( MOD( kt-1, nn_fsbc ) == 0 ) THEN ! --- Ice time step --- ! |
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| 108 | ! !-----------------------! |
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[8892] | 109 | !meaning |
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[8498] | 110 | kt_ice = kt ! -- Ice model time step |
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[8486] | 111 | ! |
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[8321] | 112 | # if defined key_agrif |
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| 113 | IF( .NOT. Agrif_Root() ) lim_nbstep = MOD( lim_nbstep, Agrif_irhot() * Agrif_Parent(nn_fsbc) / nn_fsbc ) + 1 |
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| 114 | # endif |
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[8498] | 115 | u_oce(:,:) = ssu_m(:,:) ! -- mean surface ocean current |
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| 116 | v_oce(:,:) = ssv_m(:,:) |
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| 117 | ! |
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[8892] | 118 | write(numout,*) "RSRH ice_stp 00 before eos_stp ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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| 119 | write(numout,*) "RSRH ice_stp 00 qns,sfx,emp before eos_stp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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[8498] | 120 | CALL eos_fzp( sss_m(:,:) , t_bo(:,:) ) ! -- freezing temperature [Kelvin] (set to rt0 over land) |
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[8321] | 121 | t_bo(:,:) = ( t_bo(:,:) + rt0 ) * tmask(:,:,1) + rt0 * ( 1._wp - tmask(:,:,1) ) |
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| 122 | ! |
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[8498] | 123 | CALL store_fields ! -- Store now ice values |
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[8486] | 124 | ! |
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[8321] | 125 | !------------------------------------------------! |
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| 126 | ! --- Dynamical coupling with the atmosphere --- ! |
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| 127 | !------------------------------------------------! |
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[8486] | 128 | ! It provides the following fields used in sea ice model: |
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[8404] | 129 | ! utau_ice, vtau_ice = surface ice stress [N/m2] |
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[8486] | 130 | !------------------------------------------------! |
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[8562] | 131 | CALL ice_forcing_tau( kt, ksbc, utau_ice, vtau_ice ) |
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[8486] | 132 | !-------------------------------------! |
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| 133 | ! --- ice dynamics and advection --- ! |
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| 134 | !-------------------------------------! |
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[8531] | 135 | CALL diag_set0 ! set diag of mass, heat and salt fluxes to 0 |
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[8486] | 136 | CALL ice_rst_opn( kt ) ! Open Ice restart file (if necessary) |
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[8321] | 137 | ! |
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[8892] | 138 | write(numout,*) "RSRH ice_stp 00 before ice_dyn ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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| 139 | write(numout,*) "RSRH ice_stp 00 qns,sfx,emp before ice_dyn ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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[8562] | 140 | IF( ln_icedyn .AND. .NOT.lk_c1d ) & |
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| 141 | & CALL ice_dyn( kt ) ! -- Ice dynamics |
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[8892] | 142 | write(numout,*) "RSRH ice_stp 00 after ice_dyn ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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| 143 | write(numout,*) "RSRH ice_stp 00 qns,sfx,emp aft ice_dyn ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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[8486] | 144 | ! |
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| 145 | ! !== lateral boundary conditions ==! |
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[8321] | 146 | #if defined key_agrif |
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[8562] | 147 | IF( .NOT. Agrif_Root() ) CALL agrif_interp_lim3('T') ! -- AGRIF |
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[8321] | 148 | #endif |
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[8562] | 149 | IF( ln_icethd .AND. ln_bdy ) CALL bdy_ice( kt ) ! -- bdy ice thermo |
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[8486] | 150 | ! |
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| 151 | ! |
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| 152 | ! !== previous lead fraction and ice volume for flux calculations |
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[8892] | 153 | write(numout,*) "RSRH ice_stp 00 be4 glo2eqv ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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| 154 | write(numout,*) "RSRH ice_stp 00 qns,sfx,emp b4 glo2eqv ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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[8563] | 155 | CALL ice_var_glo2eqv ! h_i and h_s for ice albedo calculation |
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[8892] | 156 | write(numout,*) "RSRH ice_stp 00 be4 ice_var_agg ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8486] | 157 | CALL ice_var_agg(1) ! at_i for coupling |
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[8892] | 158 | write(numout,*) "RSRH ice_stp 00 qns,sfx,emp b4 store_filds ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 159 | write(numout,*) "RSRH ice_stp 00 be4 store_filds ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8498] | 160 | CALL store_fields ! Store now ice values |
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[8321] | 161 | |
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| 162 | !------------------------------------------------------! |
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| 163 | ! --- Thermodynamical coupling with the atmosphere --- ! |
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| 164 | !------------------------------------------------------! |
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[8404] | 165 | ! It provides the following fields used in sea ice model: |
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[8486] | 166 | ! emp_oce , emp_ice = E-P over ocean and sea ice [Kg/m2/s] |
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| 167 | ! sprecip = solid precipitation [Kg/m2/s] |
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| 168 | ! evap_ice = sublimation [Kg/m2/s] |
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| 169 | ! qsr_tot , qns_tot = solar & non solar heat flux (total) [W/m2] |
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| 170 | ! qsr_ice , qns_ice = solar & non solar heat flux over ice [W/m2] |
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| 171 | ! dqns_ice = non solar heat sensistivity [W/m2] |
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| 172 | ! qemp_oce, qemp_ice, = sensible heat (associated with evap & precip) [W/m2] |
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| 173 | ! qprec_ice, qevap_ice |
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| 174 | !------------------------------------------------------! |
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[8892] | 175 | write(numout,*) "RSRH ice_stp 00 qns,sfx,emp before forc ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 176 | write(numout,*) "RSRH ice_stp 00 be4 forc ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8562] | 177 | CALL ice_forcing_flx( kt, ksbc ) |
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[8321] | 178 | !----------------------------! |
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| 179 | ! --- ice thermodynamics --- ! |
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| 180 | !----------------------------! |
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[8892] | 181 | write(numout,*) "RSRH ice_stp 00 qns,sfx,emp before thd ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 182 | write(numout,*) "RSRH ice_stp 00 be4 thd", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8562] | 183 | IF( ln_icethd ) CALL ice_thd( kt ) ! -- Ice thermodynamics |
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| 184 | ! |
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[8892] | 185 | write(numout,*) "RSRH ice_stp 00 qns,sfx,emp before icecor ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 186 | write(numout,*) "RSRH ice_stp 00 before icecor ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8562] | 187 | ! |
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| 188 | IF( ln_icethd ) CALL ice_cor( kt , 2 ) ! -- Corrections |
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[8892] | 189 | write(numout,*) "RSRH ice_stp AA qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 190 | write(numout,*) "RSRH ice_stp AA ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8321] | 191 | # if defined key_agrif |
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[8562] | 192 | IF( .NOT. Agrif_Root() ) CALL agrif_update_lim3( kt ) |
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[8321] | 193 | # endif |
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[8562] | 194 | CALL ice_var_glo2eqv ! necessary calls (at least for coupling) |
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[8892] | 195 | write(numout,*) "RSRH ice_stp BB qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 196 | write(numout,*) "RSRH ice_stp BB ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8562] | 197 | CALL ice_var_agg( 2 ) ! necessary calls (at least for coupling) |
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[8892] | 198 | write(numout,*) "RSRH ice_stp CC qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 199 | write(numout,*) "RSRH ice_stp CC ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8562] | 200 | ! |
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[8321] | 201 | !! clem: one should switch the calculation of the fluxes onto the parent grid but the following calls do not work |
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| 202 | !! moreover it should only be called at the update frequency (as in agrif_lim3_update.F90) |
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| 203 | !!# if defined key_agrif |
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[8562] | 204 | !! IF( .NOT. Agrif_Root() ) CALL Agrif_ChildGrid_To_ParentGrid() |
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[8321] | 205 | !!# endif |
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[8562] | 206 | CALL ice_update_flx( kt ) ! -- Update ocean surface mass, heat and salt fluxes |
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[8892] | 207 | write(numout,*) "RSRH ice_stp DD qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 208 | write(numout,*) "RSRH ice_stp DD ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8321] | 209 | !!# if defined key_agrif |
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[8562] | 210 | !! IF( .NOT. Agrif_Root() ) CALL Agrif_ParentGrid_To_ChildGrid() |
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[8321] | 211 | !!# endif |
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[8562] | 212 | IF( ln_icediahsb ) CALL ice_dia( kt ) ! -- Diagnostics outputs |
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[8892] | 213 | write(numout,*) "RSRH ice_stp EE qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 214 | write(numout,*) "RSRH ice_stp EE ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8321] | 215 | ! |
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[8562] | 216 | CALL ice_wri( kt ) ! -- Ice outputs |
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[8892] | 217 | write(numout,*) "RSRH ice_stp FF qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 218 | write(numout,*) "RSRH ice_stp FF ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8321] | 219 | ! |
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[8562] | 220 | IF( lrst_ice ) CALL ice_rst_write( kt ) ! -- Ice restart file |
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[8892] | 221 | write(numout,*) "RSRH ice_stp HH qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 222 | write(numout,*) "RSRH ice_stp HH ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8321] | 223 | ! |
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[8562] | 224 | IF( ln_icectl ) CALL ice_ctl( kt ) ! -- alerts in case of model crash |
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[8892] | 225 | write(numout,*) "RSRH ice_stp II qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 226 | write(numout,*) "RSRH ice_stp II ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8321] | 227 | ! |
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| 228 | ENDIF ! End sea-ice time step only |
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| 229 | |
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| 230 | !-------------------------! |
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| 231 | ! --- Ocean time step --- ! |
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| 232 | !-------------------------! |
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[8562] | 233 | IF( ln_icedyn ) CALL ice_update_tau( kt, ub(:,:,1), vb(:,:,1) ) ! -- update surface ocean stresses |
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[8892] | 234 | write(numout,*) "RSRH ice_stp JJ qns,sfx,emp ", kt , glob_sum(qns(:,:)), glob_sum(sfx(:,:)),glob_sum(emp(:,:)) ; flush(numout) |
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| 235 | write(numout,*) "RSRH ice_stp JJ ", kt , glob_sum(ssv_m(:,:)), glob_sum(v_ice(:,:)),glob_sum(ssu_m(:,:)), glob_sum(u_ice(:,:)) ; flush(numout) |
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[8321] | 236 | !!gm remark, the ocean-ice stress is not saved in ice diag call above ..... find a solution!!! |
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| 237 | ! |
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[8562] | 238 | IF( nn_timing == 1 ) CALL timing_stop('ice_stp') |
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[8321] | 239 | ! |
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| 240 | END SUBROUTINE ice_stp |
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| 241 | |
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| 242 | |
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| 243 | SUBROUTINE ice_init |
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| 244 | !!---------------------------------------------------------------------- |
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| 245 | !! *** ROUTINE ice_init *** |
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| 246 | !! |
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[8534] | 247 | !! ** purpose : Initialize sea-ice parameters |
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[8321] | 248 | !!---------------------------------------------------------------------- |
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| 249 | INTEGER :: ji, jj, ierr |
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| 250 | !!---------------------------------------------------------------------- |
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| 251 | IF(lwp) WRITE(numout,*) |
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[8514] | 252 | IF(lwp) WRITE(numout,*) 'ice_init: Arrays allocation & Initialization off all routines & init state' |
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| 253 | IF(lwp) WRITE(numout,*) '~~~~~~~~' |
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[8321] | 254 | ! |
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| 255 | ! ! Open the reference and configuration namelist files and namelist output file |
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| 256 | CALL ctl_opn( numnam_ice_ref, 'namelist_ice_ref', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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| 257 | CALL ctl_opn( numnam_ice_cfg, 'namelist_ice_cfg', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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| 258 | IF(lwm) CALL ctl_opn( numoni, 'output.namelist.ice', 'UNKNOWN', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, 1 ) |
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| 259 | ! |
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[8531] | 260 | CALL par_init ! set some ice run parameters |
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[8321] | 261 | ! |
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[8324] | 262 | ! ! Allocate the ice arrays (sbc_ice already allocated in sbc_init) |
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[8321] | 263 | ierr = ice_alloc () ! ice variables |
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[8331] | 264 | ierr = ierr + sbc_ice_alloc () ! surface forcing |
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[8420] | 265 | ierr = ierr + ice1D_alloc () ! thermodynamics |
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[8321] | 266 | ! |
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| 267 | IF( lk_mpp ) CALL mpp_sum( ierr ) |
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| 268 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'ice_init : unable to allocate ice arrays') |
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| 269 | ! |
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| 270 | CALL ice_itd_init ! ice thickness distribution initialization |
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| 271 | ! |
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[8752] | 272 | IF( ln_icethd ) THEN |
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| 273 | CALL ice_thd_init ! set ice thermodynics parameters (clem: important to call it first for melt ponds) |
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| 274 | ENDIF |
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[8321] | 275 | ! ! Initial sea-ice state |
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| 276 | IF( .NOT. ln_rstart ) THEN ! start from rest: sea-ice deduced from sst |
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[8515] | 277 | CALL ice_istate_init |
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[8514] | 278 | CALL ice_istate |
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[8321] | 279 | ELSE ! start from a restart file |
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[8413] | 280 | CALL ice_rst_read |
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[8321] | 281 | ENDIF |
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[8534] | 282 | CALL ice_var_glo2eqv |
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[8424] | 283 | CALL ice_var_agg(2) |
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[8321] | 284 | ! |
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[8531] | 285 | CALL ice_forcing_init ! set ice-ocean and ice-atm. coupling parameters |
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| 286 | ! |
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[8518] | 287 | IF( ln_icedyn ) THEN |
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| 288 | CALL ice_dyn_init ! set ice dynamics parameters |
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| 289 | ENDIF |
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[8531] | 290 | ! |
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[8517] | 291 | CALL ice_update_init ! ice surface boundary condition |
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[8321] | 292 | ! |
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[8517] | 293 | CALL ice_alb_init ! ice surface albedo |
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[8321] | 294 | ! |
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[8517] | 295 | CALL ice_dia_init ! initialization for diags |
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[8505] | 296 | ! |
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[8771] | 297 | fr_i (:,:) = at_i(:,:) ! initialisation of sea-ice fraction |
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| 298 | tn_ice (:,:,:) = t_su(:,:,:) ! initialisation of surface temp for coupled simu |
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[8321] | 299 | ! |
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[8517] | 300 | ! ! set max concentration in both hemispheres |
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[8515] | 301 | WHERE( gphit(:,:) > 0._wp ) ; rn_amax_2d(:,:) = rn_amax_n ! NH |
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| 302 | ELSEWHERE ; rn_amax_2d(:,:) = rn_amax_s ! SH |
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| 303 | END WHERE |
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[8518] | 304 | |
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| 305 | IF( ln_rstart ) CALL iom_close( numrir ) ! close input ice restart file |
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[8321] | 306 | ! |
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| 307 | END SUBROUTINE ice_init |
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| 308 | |
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| 309 | |
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[8531] | 310 | SUBROUTINE par_init |
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[8321] | 311 | !!------------------------------------------------------------------- |
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[8531] | 312 | !! *** ROUTINE par_init *** |
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[8321] | 313 | !! |
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[8534] | 314 | !! ** Purpose : Definition generic parameters for ice model |
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[8321] | 315 | !! |
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[8534] | 316 | !! ** Method : Read namelist and check the parameter |
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[8517] | 317 | !! values called at the first timestep (nit000) |
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[8321] | 318 | !! |
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[8531] | 319 | !! ** input : Namelist nampar |
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[8321] | 320 | !!------------------------------------------------------------------- |
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| 321 | INTEGER :: ios ! Local integer output status for namelist read |
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[8531] | 322 | NAMELIST/nampar/ jpl, nlay_i, nlay_s, nn_monocat, ln_icedyn, ln_icethd, rn_amax_n, rn_amax_s, & |
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| 323 | & cn_icerst_in, cn_icerst_indir, cn_icerst_out, cn_icerst_outdir |
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[8321] | 324 | !!------------------------------------------------------------------- |
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| 325 | ! |
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[8531] | 326 | REWIND( numnam_ice_ref ) ! Namelist nampar in reference namelist : Parameters for ice |
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| 327 | READ ( numnam_ice_ref, nampar, IOSTAT = ios, ERR = 901) |
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| 328 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampar in reference namelist', lwp ) |
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[8321] | 329 | |
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[8531] | 330 | REWIND( numnam_ice_cfg ) ! Namelist nampar in configuration namelist : Parameters for ice |
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| 331 | READ ( numnam_ice_cfg, nampar, IOSTAT = ios, ERR = 902 ) |
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| 332 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampar in configuration namelist', lwp ) |
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| 333 | IF(lwm) WRITE ( numoni, nampar ) |
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[8321] | 334 | ! |
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[8486] | 335 | IF(lwp) THEN ! control print |
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[8321] | 336 | WRITE(numout,*) |
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[8531] | 337 | WRITE(numout,*) 'par_init: ice parameters shared among all the routines' |
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| 338 | WRITE(numout,*) ' ~~~~~~~' |
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| 339 | WRITE(numout,*) ' Namelist nampar: ' |
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[8486] | 340 | WRITE(numout,*) ' number of ice categories jpl = ', jpl |
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| 341 | WRITE(numout,*) ' number of ice layers nlay_i = ', nlay_i |
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| 342 | WRITE(numout,*) ' number of snow layers nlay_s = ', nlay_s |
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| 343 | WRITE(numout,*) ' virtual ITD mono-category param (1-4) or not (0) nn_monocat = ', nn_monocat |
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[8531] | 344 | WRITE(numout,*) ' Ice dynamics (T) or not (F) ln_icedyn = ', ln_icedyn |
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| 345 | WRITE(numout,*) ' Ice thermodynamics (T) or not (F) ln_icethd = ', ln_icethd |
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[8486] | 346 | WRITE(numout,*) ' maximum ice concentration for NH = ', rn_amax_n |
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| 347 | WRITE(numout,*) ' maximum ice concentration for SH = ', rn_amax_s |
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[8321] | 348 | ENDIF |
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| 349 | ! |
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[8517] | 350 | ! !--- check consistency |
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[8486] | 351 | IF ( jpl > 1 .AND. nn_monocat == 1 ) THEN |
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[8321] | 352 | nn_monocat = 0 |
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| 353 | IF(lwp) WRITE(numout,*) |
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| 354 | IF(lwp) WRITE(numout,*) ' nn_monocat forced to 0 as jpl>1, i.e. multi-category case is chosen' |
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| 355 | ENDIF |
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[8752] | 356 | ! IF ( jpl == 1 .AND. nn_monocat == 0 ) THEN |
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| 357 | ! CALL ctl_stop( 'STOP', 'par_init : if jpl=1 then nn_monocat should be between 1 and 4' ) |
---|
| 358 | ! ENDIF |
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[8321] | 359 | ! |
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[8531] | 360 | IF( ln_bdy .AND. ln_icediachk ) CALL ctl_warn('par_init: online conservation check does not work with BDY') |
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[8321] | 361 | ! |
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[8517] | 362 | rdt_ice = REAL(nn_fsbc) * rdt !--- sea-ice timestep and inverse |
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[8486] | 363 | r1_rdtice = 1._wp / rdt_ice |
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[8517] | 364 | IF( lwp ) WRITE(numout,*) ' ice timestep rdt_ice = ', rdt_ice |
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[8321] | 365 | ! |
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[8517] | 366 | r1_nlay_i = 1._wp / REAL( nlay_i, wp ) !--- inverse of nlay_i and nlay_s |
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[8486] | 367 | r1_nlay_s = 1._wp / REAL( nlay_s, wp ) |
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| 368 | ! |
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[8531] | 369 | END SUBROUTINE par_init |
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[8321] | 370 | |
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| 371 | |
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[8498] | 372 | SUBROUTINE store_fields |
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[8321] | 373 | !!---------------------------------------------------------------------- |
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[8498] | 374 | !! *** ROUTINE store_fields *** |
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[8321] | 375 | !! |
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| 376 | !! ** purpose : store ice variables at "before" time step |
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| 377 | !!---------------------------------------------------------------------- |
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[8360] | 378 | INTEGER :: ji, jj, jl ! dummy loop index |
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| 379 | !!---------------------------------------------------------------------- |
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[8321] | 380 | ! |
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[8564] | 381 | a_i_b (:,:,:) = a_i (:,:,:) ! ice area |
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| 382 | v_i_b (:,:,:) = v_i (:,:,:) ! ice volume |
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| 383 | v_s_b (:,:,:) = v_s (:,:,:) ! snow volume |
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| 384 | sv_i_b(:,:,:) = sv_i(:,:,:) ! salt content |
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| 385 | oa_i_b(:,:,:) = oa_i(:,:,:) ! areal age content |
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| 386 | e_s_b (:,:,:,:) = e_s (:,:,:,:) ! snow thermal energy |
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| 387 | e_i_b (:,:,:,:) = e_i (:,:,:,:) ! ice thermal energy |
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[8515] | 388 | WHERE( a_i_b(:,:,:) >= epsi20 ) |
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[8563] | 389 | h_i_b(:,:,:) = v_i_b (:,:,:) / a_i_b(:,:,:) ! ice thickness |
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| 390 | h_s_b(:,:,:) = v_s_b (:,:,:) / a_i_b(:,:,:) ! snw thickness |
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[8515] | 391 | ELSEWHERE |
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[8563] | 392 | h_i_b(:,:,:) = 0._wp |
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| 393 | h_s_b(:,:,:) = 0._wp |
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[8515] | 394 | END WHERE |
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[8321] | 395 | |
---|
[8360] | 396 | ! ice velocities & total concentration |
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[8892] | 397 | |
---|
| 398 | |
---|
| 399 | write(numout,*) "RSRH store_fields a_i_b sum", glob_sum(a_i_b(:,:,:));flush(numout) |
---|
| 400 | |
---|
[8515] | 401 | at_i_b(:,:) = SUM( a_i_b(:,:,:), dim=3 ) |
---|
| 402 | u_ice_b(:,:) = u_ice(:,:) |
---|
| 403 | v_ice_b(:,:) = v_ice(:,:) |
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[8486] | 404 | ! |
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[8498] | 405 | END SUBROUTINE store_fields |
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[8321] | 406 | |
---|
| 407 | |
---|
[8531] | 408 | SUBROUTINE diag_set0 |
---|
[8321] | 409 | !!---------------------------------------------------------------------- |
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[8531] | 410 | !! *** ROUTINE diag_set0 *** |
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[8321] | 411 | !! |
---|
| 412 | !! ** purpose : set ice-ocean and ice-atm. fluxes to zeros at the beggining |
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| 413 | !! of the time step |
---|
| 414 | !!---------------------------------------------------------------------- |
---|
[8360] | 415 | INTEGER :: ji, jj ! dummy loop index |
---|
| 416 | !!---------------------------------------------------------------------- |
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[8515] | 417 | sfx (:,:) = 0._wp ; |
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| 418 | sfx_bri(:,:) = 0._wp ; sfx_lam(:,:) = 0._wp |
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| 419 | sfx_sni(:,:) = 0._wp ; sfx_opw(:,:) = 0._wp |
---|
| 420 | sfx_bog(:,:) = 0._wp ; sfx_dyn(:,:) = 0._wp |
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| 421 | sfx_bom(:,:) = 0._wp ; sfx_sum(:,:) = 0._wp |
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| 422 | sfx_res(:,:) = 0._wp ; sfx_sub(:,:) = 0._wp |
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| 423 | ! |
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| 424 | wfx_snw(:,:) = 0._wp ; wfx_ice(:,:) = 0._wp |
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| 425 | wfx_sni(:,:) = 0._wp ; wfx_opw(:,:) = 0._wp |
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| 426 | wfx_bog(:,:) = 0._wp ; wfx_dyn(:,:) = 0._wp |
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| 427 | wfx_bom(:,:) = 0._wp ; wfx_sum(:,:) = 0._wp |
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| 428 | wfx_res(:,:) = 0._wp ; wfx_sub(:,:) = 0._wp |
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| 429 | wfx_spr(:,:) = 0._wp ; wfx_lam(:,:) = 0._wp |
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| 430 | wfx_snw_dyn(:,:) = 0._wp ; wfx_snw_sum(:,:) = 0._wp |
---|
| 431 | wfx_snw_sub(:,:) = 0._wp ; wfx_ice_sub(:,:) = 0._wp |
---|
| 432 | wfx_snw_sni(:,:) = 0._wp |
---|
| 433 | wfx_pnd(:,:) = 0._wp |
---|
| 434 | |
---|
| 435 | hfx_thd(:,:) = 0._wp ; |
---|
| 436 | hfx_snw(:,:) = 0._wp ; hfx_opw(:,:) = 0._wp |
---|
| 437 | hfx_bog(:,:) = 0._wp ; hfx_dyn(:,:) = 0._wp |
---|
| 438 | hfx_bom(:,:) = 0._wp ; hfx_sum(:,:) = 0._wp |
---|
| 439 | hfx_res(:,:) = 0._wp ; hfx_sub(:,:) = 0._wp |
---|
| 440 | hfx_spr(:,:) = 0._wp ; hfx_dif(:,:) = 0._wp |
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[8518] | 441 | hfx_err_rem(:,:) = 0._wp |
---|
[8515] | 442 | hfx_err_dif(:,:) = 0._wp |
---|
| 443 | wfx_err_sub(:,:) = 0._wp |
---|
| 444 | ! |
---|
| 445 | afx_tot(:,:) = 0._wp ; |
---|
| 446 | ! |
---|
[8564] | 447 | diag_heat(:,:) = 0._wp ; diag_sice(:,:) = 0._wp |
---|
[8515] | 448 | diag_vice(:,:) = 0._wp ; diag_vsnw(:,:) = 0._wp |
---|
| 449 | |
---|
| 450 | ! SIMIP diagnostics |
---|
| 451 | diag_fc_bo(:,:) = 0._wp ; diag_fc_su(:,:) = 0._wp |
---|
| 452 | |
---|
| 453 | tau_icebfr(:,:) = 0._wp; ! landfast ice param only (clem: important to keep the init here) |
---|
[8782] | 454 | cnd_ice(:,:,:) = 0._wp ! initialisation of the effective conductivity at the top of ice/snow (Jules coupling) |
---|
[8321] | 455 | |
---|
[8531] | 456 | END SUBROUTINE diag_set0 |
---|
[8321] | 457 | |
---|
| 458 | #else |
---|
| 459 | !!---------------------------------------------------------------------- |
---|
[8534] | 460 | !! Default option Dummy module NO ESIM sea-ice model |
---|
[8321] | 461 | !!---------------------------------------------------------------------- |
---|
| 462 | CONTAINS |
---|
| 463 | SUBROUTINE ice_stp ( kt, ksbc ) ! Dummy routine |
---|
| 464 | INTEGER, INTENT(in) :: kt, ksbc |
---|
| 465 | WRITE(*,*) 'ice_stp: You should not have seen this print! error?', kt |
---|
| 466 | END SUBROUTINE ice_stp |
---|
| 467 | SUBROUTINE ice_init ! Dummy routine |
---|
| 468 | END SUBROUTINE ice_init |
---|
| 469 | #endif |
---|
| 470 | |
---|
| 471 | !!====================================================================== |
---|
| 472 | END MODULE icestp |
---|