[8426] | 1 | MODULE icecor |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE icecor *** |
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[8534] | 4 | !! ESIM : Corrections on sea-ice variables at the end of the time step |
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[8426] | 5 | !!====================================================================== |
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| 6 | !! History : 3.0 ! 2006-04 (M. Vancoppenolle) Original code |
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| 7 | !! 3.5 ! 2014-06 (C. Rousset) Complete rewriting/cleaning |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_lim3 |
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| 10 | !!---------------------------------------------------------------------- |
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[8534] | 11 | !! 'key_lim3' ESIM sea-ice model |
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[8426] | 12 | !!---------------------------------------------------------------------- |
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[8534] | 13 | !! ice_cor : corrections on sea-ice variables |
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[8426] | 14 | !!---------------------------------------------------------------------- |
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[8486] | 15 | USE dom_oce ! ocean domain |
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| 16 | USE phycst ! physical constants |
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| 17 | USE ice ! sea-ice: variable |
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| 18 | USE ice1D ! sea-ice: thermodynamic sea-ice variables |
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| 19 | USE iceitd ! sea-ice: rebining |
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| 20 | USE icevar ! sea-ice: operations |
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| 21 | USE icectl ! sea-ice: control prints |
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[8426] | 22 | ! |
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[8486] | 23 | USE in_out_manager ! I/O manager |
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[8534] | 24 | USE iom ! I/O manager library |
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[8486] | 25 | USE lib_mpp ! MPP library |
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[8534] | 26 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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| 27 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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[8486] | 28 | USE timing ! Timing |
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[8426] | 29 | |
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| 30 | IMPLICIT NONE |
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| 31 | PRIVATE |
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| 32 | |
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[8486] | 33 | PUBLIC ice_cor ! called by icestp.F90 |
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[8426] | 34 | |
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| 35 | !! * Substitutions |
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| 36 | # include "vectopt_loop_substitute.h90" |
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| 37 | !!---------------------------------------------------------------------- |
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[8486] | 38 | !! NEMO/ICE 4.0 , NEMO Consortium (2017) |
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[8426] | 39 | !! $Id: icecor.F90 8378 2017-07-26 13:55:59Z clem $ |
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| 40 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 41 | !!---------------------------------------------------------------------- |
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| 42 | CONTAINS |
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| 43 | |
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[8486] | 44 | SUBROUTINE ice_cor( kt, kn ) |
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| 45 | !!---------------------------------------------------------------------- |
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[8426] | 46 | !! *** ROUTINE ice_cor *** |
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| 47 | !! |
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[8486] | 48 | !! ** Purpose : Computes corrections on sea-ice global variables at |
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[8534] | 49 | !! the end of the dynamics (kn=1) and thermodynamics (kn=2) |
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[8486] | 50 | !!---------------------------------------------------------------------- |
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[8426] | 51 | INTEGER, INTENT(in) :: kt ! number of iteration |
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| 52 | INTEGER, INTENT(in) :: kn ! 1 = after dyn ; 2 = after thermo |
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[8486] | 53 | ! |
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[8426] | 54 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
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[8517] | 55 | REAL(wp) :: zsal, zzc |
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[8498] | 56 | REAL(wp), DIMENSION(jpi,jpj) :: zafx ! concentration trends diag |
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[8486] | 57 | !!---------------------------------------------------------------------- |
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[8517] | 58 | ! controls |
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| 59 | IF( nn_timing == 1 ) CALL timing_start('icecor') ! timing |
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| 60 | IF( ln_icediachk ) CALL ice_cons_hsm(0, 'icecor', rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft) ! conservation |
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[8486] | 61 | ! |
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[8426] | 62 | IF( kt == nit000 .AND. lwp .AND. kn == 2 ) THEN |
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| 63 | WRITE(numout,*) |
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[8512] | 64 | WRITE(numout,*) 'ice_cor: correct sea ice variables if out of bounds ' |
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| 65 | WRITE(numout,*) '~~~~~~~' |
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[8426] | 66 | ENDIF |
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[8486] | 67 | ! |
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[8498] | 68 | IF( kn == 2 ) THEN |
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[8486] | 69 | ! !----------------------------------------------------- |
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[8498] | 70 | ! ! thickness of the smallest category above himin ! |
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| 71 | ! !----------------------------------------------------- |
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[8563] | 72 | WHERE( a_i(:,:,1) >= epsi20 ) ; h_i(:,:,1) = v_i (:,:,1) / a_i(:,:,1) |
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| 73 | ELSEWHERE ; h_i(:,:,1) = 0._wp |
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[8498] | 74 | END WHERE |
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[8563] | 75 | WHERE( h_i(:,:,1) < rn_himin ) a_i(:,:,1) = a_i (:,:,1) * h_i(:,:,1) / rn_himin |
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[8486] | 76 | ! |
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| 77 | ENDIF |
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| 78 | ! !----------------------------------------------------- |
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[8498] | 79 | ! ! ice concentration should not exceed amax ! |
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| 80 | ! !----------------------------------------------------- |
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| 81 | at_i(:,:) = SUM( a_i(:,:,:), dim=3 ) |
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[8426] | 82 | DO jl = 1, jpl |
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[8498] | 83 | WHERE( at_i(:,:) > rn_amax_2d(:,:) ) a_i(:,:,jl) = a_i(:,:,jl) * rn_amax_2d(:,:) / at_i(:,:) |
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[8426] | 84 | END DO |
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| 85 | |
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[8486] | 86 | ! !----------------------------------------------------- |
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[8514] | 87 | IF ( nn_icesal == 2 ) THEN ! salinity must stay in bounds [Simin,Simax] ! |
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[8486] | 88 | ! !----------------------------------------------------- |
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| 89 | zzc = rhoic * r1_rdtice |
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[8498] | 90 | DO jl = 1, jpl |
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[8426] | 91 | DO jj = 1, jpj |
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| 92 | DO ji = 1, jpi |
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[8564] | 93 | zsal = sv_i(ji,jj,jl) |
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| 94 | sv_i(ji,jj,jl) = MIN( MAX( rn_simin*v_i(ji,jj,jl) , sv_i(ji,jj,jl) ) , rn_simax*v_i(ji,jj,jl) ) |
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| 95 | sfx_res(ji,jj) = sfx_res(ji,jj) - ( sv_i(ji,jj,jl) - zsal ) * zzc ! associated salt flux |
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[8426] | 96 | END DO |
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| 97 | END DO |
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| 98 | END DO |
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| 99 | ENDIF |
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| 100 | |
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[8486] | 101 | ! !----------------------------------------------------- |
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| 102 | ! ! Rebin categories with thickness out of bounds ! |
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| 103 | ! !----------------------------------------------------- |
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[8512] | 104 | IF ( jpl > 1 ) CALL ice_itd_reb( kt ) |
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[8426] | 105 | |
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[8486] | 106 | ! !----------------------------------------------------- |
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| 107 | CALL ice_var_zapsmall ! Zap small values ! |
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| 108 | ! !----------------------------------------------------- |
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[8426] | 109 | |
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[8486] | 110 | ! !----------------------------------------------------- |
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| 111 | IF( kn == 2 ) THEN ! Ice drift case: Corrections to avoid wrong values ! |
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| 112 | DO jj = 2, jpjm1 !----------------------------------------------------- |
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[8426] | 113 | DO ji = 2, jpim1 |
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[8486] | 114 | IF ( at_i(ji,jj) == 0._wp ) THEN ! what to do if there is no ice |
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| 115 | IF ( at_i(ji+1,jj) == 0._wp ) u_ice(ji ,jj) = 0._wp ! right side |
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| 116 | IF ( at_i(ji-1,jj) == 0._wp ) u_ice(ji-1,jj) = 0._wp ! left side |
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| 117 | IF ( at_i(ji,jj+1) == 0._wp ) v_ice(ji,jj ) = 0._wp ! upper side |
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| 118 | IF ( at_i(ji,jj-1) == 0._wp ) v_ice(ji,jj-1) = 0._wp ! bottom side |
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[8426] | 119 | ENDIF |
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| 120 | END DO |
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| 121 | END DO |
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[8486] | 122 | CALL lbc_lnk_multi( u_ice, 'U', -1., v_ice, 'V', -1. ) ! lateral boundary conditions |
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[8426] | 123 | ENDIF |
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[8486] | 124 | |
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| 125 | !!gm I guess the trends are only out on demand |
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| 126 | !! So please, only do this is it exite an iom_use of on a these variables |
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| 127 | !! furthermore, only allocate the diag_ arrays in this case |
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| 128 | !! and do the iom_put here so that it is only a local allocation |
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| 129 | !!gm |
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| 130 | ! !----------------------------------------------------- |
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| 131 | SELECT CASE( kn ) ! Diagnostics ! |
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| 132 | ! !----------------------------------------------------- |
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| 133 | CASE( 1 ) !--- dyn trend diagnostics |
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| 134 | ! |
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| 135 | !!gm here I think the number of ice cat is too small to use a SUM instruction... |
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[8426] | 136 | DO jj = 1, jpj |
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| 137 | DO ji = 1, jpi |
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[8486] | 138 | ! ! heat content variation (W.m-2) |
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| 139 | diag_heat(ji,jj) = - ( SUM( e_i(ji,jj,1:nlay_i,:) - e_i_b(ji,jj,1:nlay_i,:) ) & |
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| 140 | & + SUM( e_s(ji,jj,1:nlay_s,:) - e_s_b(ji,jj,1:nlay_s,:) ) ) * r1_rdtice |
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| 141 | ! ! salt, volume |
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[8564] | 142 | diag_sice(ji,jj) = SUM( sv_i(ji,jj,:) - sv_i_b(ji,jj,:) ) * rhoic * r1_rdtice |
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| 143 | diag_vice(ji,jj) = SUM( v_i (ji,jj,:) - v_i_b (ji,jj,:) ) * rhoic * r1_rdtice |
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| 144 | diag_vsnw(ji,jj) = SUM( v_s (ji,jj,:) - v_s_b (ji,jj,:) ) * rhosn * r1_rdtice |
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[8426] | 145 | END DO |
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| 146 | END DO |
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[8498] | 147 | ! ! concentration tendency (dynamics) |
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| 148 | zafx (:,:) = SUM( a_i(:,:,:) - a_i_b(:,:,:), dim=3 ) * r1_rdtice |
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| 149 | afx_tot(:,:) = zafx(:,:) |
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| 150 | IF( iom_use('afxdyn') ) CALL iom_put( 'afxdyn' , zafx(:,:) ) |
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[8486] | 151 | ! |
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| 152 | CASE( 2 ) !--- thermo trend diagnostics & ice aging |
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| 153 | ! |
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[8498] | 154 | oa_i(:,:,:) = oa_i(:,:,:) + a_i(:,:,:) * rdt_ice ! ice natural aging incrementation |
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[8486] | 155 | ! |
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| 156 | !!gm here I think the number of ice cat is too small to use a SUM instruction... |
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[8426] | 157 | DO jj = 1, jpj |
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| 158 | DO ji = 1, jpi |
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[8486] | 159 | ! ! heat content variation (W.m-2) |
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| 160 | diag_heat(ji,jj) = diag_heat(ji,jj) - ( SUM( e_i(ji,jj,1:nlay_i,:) - e_i_b(ji,jj,1:nlay_i,:) ) & |
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| 161 | & + SUM( e_s(ji,jj,1:nlay_s,:) - e_s_b(ji,jj,1:nlay_s,:) ) ) * r1_rdtice |
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| 162 | ! ! salt, volume |
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[8564] | 163 | diag_sice(ji,jj) = diag_sice(ji,jj) + SUM( sv_i(ji,jj,:) - sv_i_b(ji,jj,:) ) * rhoic * r1_rdtice |
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| 164 | diag_vice(ji,jj) = diag_vice(ji,jj) + SUM( v_i (ji,jj,:) - v_i_b (ji,jj,:) ) * rhoic * r1_rdtice |
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| 165 | diag_vsnw(ji,jj) = diag_vsnw(ji,jj) + SUM( v_s (ji,jj,:) - v_s_b (ji,jj,:) ) * rhosn * r1_rdtice |
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[8426] | 166 | END DO |
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| 167 | END DO |
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[8498] | 168 | ! ! concentration tendency (total + thermo) |
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| 169 | zafx (:,:) = SUM( a_i(:,:,:) - a_i_b(:,:,:), dim=3 ) * r1_rdtice |
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| 170 | afx_tot(:,:) = afx_tot(:,:) + zafx(:,:) |
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| 171 | IF( iom_use('afxthd') ) CALL iom_put( 'afxthd' , zafx(:,:) ) |
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| 172 | IF( iom_use('afxtot') ) CALL iom_put( 'afxtot' , afx_tot(:,:) ) |
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[8486] | 173 | ! |
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| 174 | END SELECT |
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| 175 | ! |
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[8517] | 176 | ! controls |
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| 177 | IF( ln_icediachk ) CALL ice_cons_hsm(1, 'icecor', rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft) ! conservation |
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| 178 | IF( ln_ctl ) CALL ice_prt3D ('icecor') ! prints |
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| 179 | IF( ln_icectl .AND. kn == 2 ) CALL ice_prt( kt, iiceprt, jiceprt, 2, ' - Final state - ' ) ! prints |
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| 180 | IF( nn_timing == 1 ) CALL timing_stop ('icecor') ! timing |
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[8486] | 181 | ! |
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[8426] | 182 | END SUBROUTINE ice_cor |
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| 183 | |
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[8486] | 184 | #else |
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| 185 | !!---------------------------------------------------------------------- |
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[8534] | 186 | !! Default option Dummy module NO ESIM sea-ice model |
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[8486] | 187 | !!---------------------------------------------------------------------- |
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[8426] | 188 | #endif |
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| 189 | |
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[8486] | 190 | !!====================================================================== |
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[8426] | 191 | END MODULE icecor |
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