[4045] | 1 | MODULE limupdate2 |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE limupdate2 *** |
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| 4 | !! LIM-3 : Update of sea-ice global variables at the end of the time step |
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| 5 | !!====================================================================== |
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| 6 | !! History : 3.0 ! 2006-04 (M. Vancoppenolle) Original code |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | #if defined key_lim3 |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! 'key_lim3' LIM3 sea-ice model |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! lim_update2 : computes update of sea-ice global variables from trend terms |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | USE limrhg ! ice rheology |
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| 15 | |
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| 16 | USE dom_oce |
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| 17 | USE oce ! dynamics and tracers variables |
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| 18 | USE in_out_manager |
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| 19 | USE sbc_oce ! Surface boundary condition: ocean fields |
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| 20 | USE sbc_ice ! Surface boundary condition: ice fields |
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| 21 | USE dom_ice |
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| 22 | USE phycst ! physical constants |
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| 23 | USE ice |
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| 24 | USE limdyn |
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| 25 | USE limtrp |
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| 26 | USE limthd |
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| 27 | USE limsbc |
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| 28 | USE limdiahsb |
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| 29 | USE limwri |
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| 30 | USE limrst |
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| 31 | USE thd_ice ! LIM thermodynamic sea-ice variables |
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| 32 | USE par_ice |
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| 33 | USE limitd_th |
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| 34 | USE limitd_me |
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| 35 | USE limvar |
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| 36 | USE prtctl ! Print control |
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| 37 | USE lbclnk ! lateral boundary condition - MPP exchanges |
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| 38 | USE wrk_nemo ! work arrays |
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| 39 | USE lib_fortran ! glob_sum |
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[4072] | 40 | USE timing ! Timing |
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[4045] | 41 | |
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| 42 | IMPLICIT NONE |
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| 43 | PRIVATE |
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| 44 | |
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| 45 | PUBLIC lim_update2 ! routine called by ice_step |
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| 46 | |
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| 47 | REAL(wp) :: epsi10 = 1.e-10_wp ! - - |
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| 48 | REAL(wp) :: rzero = 0._wp ! - - |
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| 49 | REAL(wp) :: rone = 1._wp ! - - |
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| 50 | |
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| 51 | !! * Substitutions |
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| 52 | # include "vectopt_loop_substitute.h90" |
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| 53 | !!---------------------------------------------------------------------- |
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| 54 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) |
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| 55 | !! $Id: limupdate.F90 3294 2012-01-28 16:44:18Z rblod $ |
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| 56 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 57 | !!---------------------------------------------------------------------- |
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| 58 | CONTAINS |
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| 59 | |
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| 60 | SUBROUTINE lim_update2 |
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| 61 | !!------------------------------------------------------------------- |
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| 62 | !! *** ROUTINE lim_update2 *** |
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| 63 | !! |
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| 64 | !! ** Purpose : Computes update of sea-ice global variables at |
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| 65 | !! the end of the time step. |
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| 66 | !! Address pathological cases |
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| 67 | !! This place is very important |
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| 68 | !! |
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| 69 | !! ** Method : |
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| 70 | !! Ice speed from ice dynamics |
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| 71 | !! Ice thickness, Snow thickness, Temperatures, Lead fraction |
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| 72 | !! from advection and ice thermodynamics |
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| 73 | !! |
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| 74 | !! ** Action : - |
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| 75 | !!--------------------------------------------------------------------- |
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| 76 | INTEGER :: ji, jj, jk, jl, jm ! dummy loop indices |
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| 77 | INTEGER :: jbnd1, jbnd2 |
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| 78 | INTEGER :: i_ice_switch |
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| 79 | INTEGER :: ind_im, layer ! indices for internal melt |
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| 80 | REAL(wp) :: zweight, zesum, zhimax, z_da_i |
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| 81 | REAL(wp) :: zinda, zindb, zindsn, zindic |
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| 82 | REAL(wp) :: zindg, zh, zdvres, zviold2 |
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| 83 | REAL(wp) :: zbigvalue, zvsold2, z_da_ex |
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| 84 | REAL(wp) :: z_prescr_hi, zat_i_old, ztmelts, ze_s |
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| 85 | |
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| 86 | INTEGER , POINTER, DIMENSION(:,:,:) :: internal_melt |
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| 87 | REAL(wp), POINTER, DIMENSION(:) :: zthick0, zqm0 ! thickness of the layers and heat contents for |
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| 88 | REAL(wp) :: zchk_v_i, zchk_smv, zchk_fs, zchk_fw, zchk_v_i_b, zchk_smv_b, zchk_fs_b, zchk_fw_b ! Check conservation (C Rousset) |
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| 89 | REAL(wp) :: zchk_vmin, zchk_amin, zchk_amax ! Check errors (C Rousset) |
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| 90 | ! mass and salt flux (clem) |
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| 91 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zviold, zvsold, zsmvold ! old ice volume... |
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| 92 | !!------------------------------------------------------------------- |
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[4072] | 93 | IF( nn_timing == 1 ) CALL timing_start('limupdate2') |
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[4045] | 94 | |
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| 95 | CALL wrk_alloc( jpi,jpj,jpl, internal_melt ) ! integer |
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| 96 | CALL wrk_alloc( jkmax, zthick0, zqm0 ) |
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| 97 | |
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| 98 | CALL wrk_alloc( jpi,jpj,jpl,zviold, zvsold, zsmvold ) ! clem |
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| 99 | |
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[4333] | 100 | !---------------------------------------------------------------------------------------- |
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| 101 | ! 1. Computation of trend terms |
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| 102 | !---------------------------------------------------------------------------------------- |
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| 103 | !- Trend terms |
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| 104 | d_a_i_thd(:,:,:) = a_i(:,:,:) - old_a_i(:,:,:) |
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| 105 | d_v_s_thd(:,:,:) = v_s(:,:,:) - old_v_s(:,:,:) |
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| 106 | d_v_i_thd(:,:,:) = v_i(:,:,:) - old_v_i(:,:,:) |
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| 107 | d_e_s_thd(:,:,:,:) = e_s(:,:,:,:) - old_e_s(:,:,:,:) |
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| 108 | d_e_i_thd(:,:,:,:) = e_i(:,:,:,:) - old_e_i(:,:,:,:) |
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| 109 | !?? d_oa_i_thd(:,:,:) = oa_i (:,:,:) - old_oa_i (:,:,:) |
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| 110 | d_smv_i_thd(:,:,:) = 0._wp |
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| 111 | IF( num_sal == 2 ) d_smv_i_thd(:,:,:) = smv_i(:,:,:) - old_smv_i(:,:,:) |
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| 112 | ! diag only (clem) |
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| 113 | dv_dt_thd(:,:,:) = d_v_i_thd(:,:,:) * r1_rdtice * rday |
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[4045] | 114 | |
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| 115 | ! mass and salt flux init (clem) |
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| 116 | zviold(:,:,:) = v_i(:,:,:) |
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| 117 | zvsold(:,:,:) = v_s(:,:,:) |
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| 118 | zsmvold(:,:,:) = smv_i(:,:,:) |
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| 119 | |
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| 120 | ! ------------------------------- |
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| 121 | !- check conservation (C Rousset) |
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| 122 | IF (ln_limdiahsb) THEN |
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| 123 | zchk_v_i_b = glob_sum( SUM( v_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) |
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| 124 | zchk_smv_b = glob_sum( SUM( smv_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) |
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| 125 | zchk_fw_b = glob_sum( rdm_ice(:,:) * area(:,:) * tms(:,:) ) |
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| 126 | zchk_fs_b = glob_sum( ( sfx_bri(:,:) + sfx_thd(:,:) + sfx_res(:,:) + sfx_mec(:,:) ) * area(:,:) * tms(:,:) ) |
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| 127 | ENDIF |
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| 128 | !- check conservation (C Rousset) |
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| 129 | ! ------------------------------- |
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| 130 | |
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| 131 | CALL lim_var_glo2eqv |
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| 132 | |
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| 133 | !-------------------------------------- |
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| 134 | ! 2. Review of all pathological cases |
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| 135 | !-------------------------------------- |
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[4333] | 136 | |
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| 137 | ! clem: useless now |
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[4045] | 138 | !------------------------------------------- |
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| 139 | ! 2.1) Advection of ice in an ice-free cell |
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| 140 | !------------------------------------------- |
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| 141 | ! should be removed since it is treated after dynamics now |
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[4333] | 142 | ! zhimax = 5._wp |
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| 143 | ! ! first category |
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| 144 | ! DO jj = 1, jpj |
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| 145 | ! DO ji = 1, jpi |
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| 146 | ! !--- the thickness of such an ice is often out of bounds |
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| 147 | ! !--- thus we recompute a new area while conserving ice volume |
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| 148 | ! zat_i_old = SUM( old_a_i(ji,jj,:) ) |
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| 149 | ! zindb = MAX( 0._wp, SIGN( 1._wp, ABS( d_a_i_thd(ji,jj,1) ) - epsi10 ) ) |
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| 150 | ! IF ( ( ABS( d_v_i_thd(ji,jj,1) ) / MAX( ABS( d_a_i_thd(ji,jj,1) ),epsi10 ) * zindb .GT. zhimax ) & |
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| 151 | ! & .AND. ( ( v_i(ji,jj,1) / MAX( a_i(ji,jj,1), epsi10 ) * zindb ) .GT. zhimax ) & |
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| 152 | ! & .AND. ( zat_i_old .LT. 1.e-6 ) ) THEN ! new line |
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| 153 | ! ht_i(ji,jj,1) = hi_max(1) * 0.5_wp |
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| 154 | ! a_i (ji,jj,1) = v_i(ji,jj,1) / ht_i(ji,jj,1) |
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| 155 | ! ENDIF |
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| 156 | ! END DO |
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| 157 | ! END DO |
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[4045] | 158 | |
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[4333] | 159 | ! zhimax = 20._wp |
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| 160 | ! ! other categories |
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| 161 | ! DO jl = 2, jpl |
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| 162 | ! jm = ice_types(jl) |
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| 163 | ! DO jj = 1, jpj |
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| 164 | ! DO ji = 1, jpi |
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| 165 | ! zindb = MAX( rzero, SIGN( rone, ABS( d_a_i_thd(ji,jj,jl)) - epsi10 ) ) |
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| 166 | ! ! this correction is very tricky... sometimes, advection gets wrong i don't know why |
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| 167 | ! ! it makes problems when the advected volume and concentration do not seem to be |
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| 168 | ! ! related with each other |
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| 169 | ! ! the new thickness is sometimes very big! |
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| 170 | ! ! and sometimes d_a_i_trp and d_v_i_trp have different sign |
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| 171 | ! ! which of course is plausible |
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| 172 | ! ! but fuck! it fucks everything up :) |
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| 173 | ! IF ( ( ABS( d_v_i_thd(ji,jj,jl) ) / MAX( ABS( d_a_i_thd(ji,jj,jl) ), epsi10 ) * zindb .GT. zhimax ) & |
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| 174 | ! & .AND. ( v_i(ji,jj,jl) / MAX( a_i(ji,jj,jl), epsi10 ) * zindb ) .GT. zhimax ) THEN |
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| 175 | ! ht_i(ji,jj,jl) = ( hi_max_typ(jl-ice_cat_bounds(jm,1),jm) + hi_max_typ(jl-ice_cat_bounds(jm,1)+1,jm) ) * 0.5_wp |
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| 176 | ! a_i (ji,jj,jl) = v_i(ji,jj,jl) / ht_i(ji,jj,jl) |
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| 177 | ! ENDIF |
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| 178 | ! END DO ! ji |
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| 179 | ! END DO !jj |
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| 180 | ! END DO !jl |
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[4045] | 181 | |
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| 182 | at_i(:,:) = 0._wp |
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| 183 | DO jl = 1, jpl |
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| 184 | at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
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| 185 | END DO |
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| 186 | |
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| 187 | !---------------------------------------------------- |
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| 188 | ! 2.2) Rebin categories with thickness out of bounds |
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| 189 | !---------------------------------------------------- |
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| 190 | DO jm = 1, jpm |
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| 191 | jbnd1 = ice_cat_bounds(jm,1) |
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| 192 | jbnd2 = ice_cat_bounds(jm,2) |
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| 193 | IF (ice_ncat_types(jm) .GT. 1 ) CALL lim_itd_th_reb(jbnd1, jbnd2, jm) |
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| 194 | END DO |
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| 195 | |
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| 196 | !--------------------------------- |
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| 197 | ! 2.3) Melt of an internal layer |
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| 198 | !--------------------------------- |
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| 199 | internal_melt(:,:,:) = 0 |
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| 200 | |
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| 201 | DO jl = 1, jpl |
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| 202 | DO jk = 1, nlay_i |
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| 203 | DO jj = 1, jpj |
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| 204 | DO ji = 1, jpi |
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| 205 | ztmelts = - tmut * s_i(ji,jj,jk,jl) + rtt |
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| 206 | IF ( ( ( e_i(ji,jj,jk,jl) .LE. 0.0 ) .OR. ( t_i(ji,jj,jk,jl) .GE. ztmelts ) ) & |
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| 207 | & .AND. ( v_i(ji,jj,jl) .GT. 0.0 ) .AND. ( a_i(ji,jj,jl) .GT. 0.0 ) ) THEN |
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| 208 | internal_melt(ji,jj,jl) = 1 |
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| 209 | ENDIF |
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| 210 | END DO ! ji |
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| 211 | END DO ! jj |
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| 212 | END DO !jk |
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| 213 | END DO !jl |
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| 214 | |
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| 215 | DO jl = 1, jpl |
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| 216 | DO jj = 1, jpj |
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| 217 | DO ji = 1, jpi |
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| 218 | IF( internal_melt(ji,jj,jl) == 1 ) THEN |
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| 219 | ! initial ice thickness |
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| 220 | !----------------------- |
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| 221 | ht_i(ji,jj,jl) = v_i(ji,jj,jl) / a_i(ji,jj,jl) |
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| 222 | |
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| 223 | ! reduce ice thickness |
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| 224 | !----------------------- |
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| 225 | ind_im = 0 |
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| 226 | zesum = 0.0 |
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| 227 | DO jk = 1, nlay_i |
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| 228 | ztmelts = - tmut * s_i(ji,jj,jk,jl) + rtt |
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| 229 | IF ( ( e_i(ji,jj,jk,jl) .LE. 0.0 ) .OR. ( t_i(ji,jj,jk,jl) .GE. ztmelts ) ) ind_im = ind_im + 1 |
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| 230 | zesum = zesum + e_i(ji,jj,jk,jl) |
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| 231 | END DO |
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| 232 | ht_i(ji,jj,jl) = ht_i(ji,jj,jl) - REAL(ind_im)*ht_i(ji,jj,jl) / REAL(nlay_i) |
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| 233 | v_i(ji,jj,jl) = ht_i(ji,jj,jl) * a_i(ji,jj,jl) |
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| 234 | |
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| 235 | !CLEM |
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| 236 | zdvres = REAL(ind_im)*ht_i(ji,jj,jl) / REAL(nlay_i) * a_i(ji,jj,jl) |
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| 237 | !rdm_ice(ji,jj) = rdm_ice(ji,jj) - zdvres * rhoic |
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| 238 | !sfx_res(ji,jj) = sfx_res(ji,jj) + sm_i(ji,jj,jl) * ( rhoic * zdvres / rdt_ice ) |
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| 239 | |
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| 240 | ! redistribute heat |
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| 241 | !----------------------- |
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| 242 | ! old thicknesses and enthalpies |
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| 243 | ind_im = 0 |
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| 244 | DO jk = 1, nlay_i |
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| 245 | ztmelts = - tmut * s_i(ji,jj,jk,jl) + rtt |
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| 246 | IF ( ( e_i(ji,jj,jk,jl) .GT. 0.0 ) .AND. & |
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| 247 | ( t_i(ji,jj,jk,jl) .LT. ztmelts ) ) THEN |
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| 248 | ind_im = ind_im + 1 |
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| 249 | zthick0(ind_im) = ht_i(ji,jj,jl) * REAL(ind_im / nlay_i) |
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| 250 | zqm0 (ind_im) = MAX( e_i(ji,jj,jk,jl) , 0.0 ) |
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| 251 | ENDIF |
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| 252 | END DO |
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| 253 | |
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| 254 | ! Redistributing energy on the new grid |
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| 255 | IF ( ind_im .GT. 0 ) THEN |
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| 256 | |
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| 257 | DO jk = 1, nlay_i |
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| 258 | e_i(ji,jj,jk,jl) = 0.0 |
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| 259 | DO layer = 1, ind_im |
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| 260 | zweight = MAX ( & |
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| 261 | MIN( ht_i(ji,jj,jl) * REAL(layer/ind_im) , ht_i(ji,jj,jl) * REAL(jk / nlay_i) ) - & |
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| 262 | MAX( ht_i(ji,jj,jl) * REAL((layer-1)/ind_im) , ht_i(ji,jj,jl) * REAL((jk-1) / nlay_i) ) , 0.0 ) & |
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| 263 | / ( ht_i(ji,jj,jl) / REAL(ind_im) ) |
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| 264 | |
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| 265 | e_i(ji,jj,jk,jl) = e_i(ji,jj,jk,jl) + zweight*zqm0(layer) |
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| 266 | END DO !layer |
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| 267 | END DO ! jk |
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| 268 | |
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| 269 | zesum = 0.0 |
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| 270 | DO jk = 1, nlay_i |
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| 271 | zesum = zesum + e_i(ji,jj,jk,jl) |
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| 272 | END DO |
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| 273 | |
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| 274 | ELSE ! ind_im .EQ. 0, total melt |
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| 275 | e_i(ji,jj,jk,jl) = 0.0 |
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| 276 | ENDIF |
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| 277 | |
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| 278 | ENDIF ! internal_melt |
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| 279 | |
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| 280 | END DO ! ji |
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| 281 | END DO !jj |
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| 282 | END DO !jl |
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| 283 | |
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| 284 | internal_melt(:,:,:) = 0 |
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| 285 | |
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| 286 | |
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| 287 | ! Melt of snow |
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| 288 | !-------------- |
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| 289 | DO jl = 1, jpl |
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| 290 | DO jj = 1, jpj |
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| 291 | DO ji = 1, jpi |
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| 292 | ! snow energy of melting |
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[4333] | 293 | zinda = MAX( 0._wp, SIGN( 1._wp, v_s(ji,jj,jl) - epsi10 ) ) |
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| 294 | ze_s = zinda * e_s(ji,jj,1,jl) * unit_fac / area(ji,jj) / MAX( v_s(ji,jj,jl), epsi10 ) ! snow energy of melting |
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[4045] | 295 | |
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| 296 | ! If snow energy of melting smaller then Lf |
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| 297 | ! Then all snow melts and meltwater, heat go to the ocean |
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| 298 | IF ( ze_s .LE. rhosn * lfus ) internal_melt(ji,jj,jl) = 1 |
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| 299 | |
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| 300 | END DO |
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| 301 | END DO |
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| 302 | END DO |
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| 303 | |
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| 304 | DO jl = 1, jpl |
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| 305 | DO jj = 1, jpj |
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| 306 | DO ji = 1, jpi |
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| 307 | IF ( internal_melt(ji,jj,jl) == 1 ) THEN |
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| 308 | zdvres = v_s(ji,jj,jl) |
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| 309 | ! release heat |
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| 310 | fheat_res(ji,jj) = fheat_res(ji,jj) + ze_s * zdvres / rdt_ice |
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| 311 | ! release mass |
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| 312 | !rdm_snw(ji,jj) = rdm_snw(ji,jj) - zdvres * rhosn |
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| 313 | ! |
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| 314 | v_s(ji,jj,jl) = 0.0 |
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| 315 | e_s(ji,jj,1,jl) = 0.0 |
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| 316 | ENDIF |
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| 317 | END DO |
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| 318 | END DO |
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| 319 | END DO |
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| 320 | |
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| 321 | zbigvalue = 1.0e+20 |
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| 322 | DO jl = 1, jpl |
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| 323 | DO jj = 1, jpj |
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| 324 | DO ji = 1, jpi |
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| 325 | |
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| 326 | !switches |
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[4333] | 327 | zindb = MAX( rzero, SIGN( rone, a_i(ji,jj,jl) - epsi10 ) ) |
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[4045] | 328 | !switch = 1 if a_i > 1e-06 and 0 if not |
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[4333] | 329 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - epsi10 ) ) !=1 if hs > 1e-10 and 0 if not |
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| 330 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - epsi10 ) ) !=1 if hi > 1e-10 and 0 if not |
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[4045] | 331 | ! bug fix 25 avril 2007 |
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| 332 | zindb = zindb*zindic |
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| 333 | |
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| 334 | !--- 2.3 Correction to ice age |
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| 335 | !------------------------------ |
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| 336 | ! IF ((o_i(ji,jj,jl)-1.0)*rday.gt.(rdt_ice*float(numit))) THEN |
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| 337 | ! o_i(ji,jj,jl) = rdt_ice*FLOAT(numit)/rday |
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| 338 | ! ENDIF |
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| 339 | IF ((oa_i(ji,jj,jl)-1.0)*rday.gt.(rdt_ice*numit*a_i(ji,jj,jl))) THEN |
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| 340 | oa_i(ji,jj,jl) = rdt_ice*numit/rday*a_i(ji,jj,jl) |
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| 341 | ENDIF |
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| 342 | oa_i(ji,jj,jl) = zindb*zindic*oa_i(ji,jj,jl) |
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| 343 | |
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| 344 | !--- 2.4 Correction to snow thickness |
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| 345 | !------------------------------------- |
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| 346 | zdvres = (zindsn * zindb - 1._wp) * v_s(ji,jj,jl) |
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| 347 | v_s(ji,jj,jl) = v_s(ji,jj,jl) + zdvres |
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| 348 | |
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| 349 | !rdm_snw(ji,jj) = rdm_snw(ji,jj) + zdvres * rhosn |
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| 350 | |
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| 351 | !--- 2.5 Correction to ice thickness |
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| 352 | !------------------------------------- |
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| 353 | zdvres = (zindb - 1._wp) * v_i(ji,jj,jl) |
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| 354 | v_i(ji,jj,jl) = v_i(ji,jj,jl) + zdvres |
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| 355 | |
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| 356 | !rdm_ice(ji,jj) = rdm_ice(ji,jj) + zdvres * rhoic |
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| 357 | !sfx_res(ji,jj) = sfx_res(ji,jj) - sm_i(ji,jj,jl) * ( rhoic * zdvres / rdt_ice ) |
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| 358 | |
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| 359 | !--- 2.6 Snow is transformed into ice if the original ice cover disappears |
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| 360 | !---------------------------------------------------------------------------- |
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| 361 | zindg = tms(ji,jj) * MAX( 0._wp, SIGN( 1._wp, -v_i(ji,jj,jl) ) ) |
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| 362 | zdvres = zindg * rhosn * v_s(ji,jj,jl) / rau0 |
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| 363 | v_i(ji,jj,jl) = v_i(ji,jj,jl) + zdvres |
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| 364 | |
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| 365 | zdvres = zindsn*zindb * ( - zindg * v_s(ji,jj,jl) + zindg * v_i(ji,jj,jl) * ( rau0 - rhoic ) / rhosn ) |
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| 366 | v_s(ji,jj,jl) = v_s(ji,jj,jl) + zdvres |
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| 367 | |
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| 368 | !--- 2.7 Correction to ice concentrations |
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| 369 | !-------------------------------------------- |
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| 370 | a_i(ji,jj,jl) = zindb * a_i(ji,jj,jl) |
---|
| 371 | |
---|
| 372 | !------------------------- |
---|
| 373 | ! 2.8) Snow heat content |
---|
| 374 | !------------------------- |
---|
| 375 | e_s(ji,jj,1,jl) = zindsn * ( MIN ( MAX ( 0.0, e_s(ji,jj,1,jl) ), zbigvalue ) ) |
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| 376 | |
---|
| 377 | END DO ! ji |
---|
| 378 | END DO ! jj |
---|
| 379 | END DO ! jl |
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| 380 | |
---|
| 381 | !------------------------ |
---|
| 382 | ! 2.9) Ice heat content |
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| 383 | !------------------------ |
---|
| 384 | |
---|
| 385 | DO jl = 1, jpl |
---|
| 386 | DO jk = 1, nlay_i |
---|
| 387 | DO jj = 1, jpj |
---|
| 388 | DO ji = 1, jpi |
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[4333] | 389 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - epsi10 ) ) |
---|
[4045] | 390 | e_i(ji,jj,jk,jl)= zindic * ( MIN ( MAX ( 0.0, e_i(ji,jj,jk,jl) ), zbigvalue ) ) |
---|
| 391 | END DO ! ji |
---|
| 392 | END DO ! jj |
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| 393 | END DO !jk |
---|
| 394 | END DO !jl |
---|
| 395 | |
---|
| 396 | |
---|
| 397 | DO jm = 1, jpm |
---|
| 398 | DO jj = 1, jpj |
---|
| 399 | DO ji = 1, jpi |
---|
| 400 | jl = ice_cat_bounds(jm,1) |
---|
| 401 | !--- 2.12 Constrain the thickness of the smallest category above 5 cm |
---|
| 402 | !---------------------------------------------------------------------- |
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[4333] | 403 | zindb = MAX( rzero, SIGN( rone, a_i(ji,jj,jl) - epsi10 ) ) |
---|
| 404 | ht_i(ji,jj,jl) = zindb*v_i(ji,jj,jl)/MAX(a_i(ji,jj,jl), epsi10) |
---|
| 405 | zh = MAX( rone , zindb * hiclim / MAX( ht_i(ji,jj,jl) , epsi10 ) ) |
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[4045] | 406 | ht_s(ji,jj,jl) = ht_s(ji,jj,jl)* zh |
---|
| 407 | ht_i(ji,jj,jl) = ht_i(ji,jj,jl)* zh |
---|
| 408 | a_i (ji,jj,jl) = a_i(ji,jj,jl) / zh |
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| 409 | !CLEM |
---|
| 410 | v_i (ji,jj,jl) = a_i(ji,jj,jl) * ht_i(ji,jj,jl) |
---|
| 411 | v_s (ji,jj,jl) = a_i(ji,jj,jl) * ht_s(ji,jj,jl) |
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| 412 | END DO !ji |
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| 413 | END DO !jj |
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| 414 | END DO !jm |
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| 415 | |
---|
| 416 | at_i(:,:) = 0.0 |
---|
| 417 | DO jl = 1, jpl |
---|
| 418 | at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
---|
| 419 | END DO |
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| 420 | |
---|
| 421 | !--- 2.13 ice concentration should not exceed amax |
---|
| 422 | ! (it should not be the case) |
---|
| 423 | !----------------------------------------------------- |
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| 424 | DO jj = 1, jpj |
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| 425 | DO ji = 1, jpi |
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| 426 | z_da_ex = MAX( at_i(ji,jj) - amax , 0.0 ) |
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[4333] | 427 | zindb = MAX( rzero, SIGN( rone, at_i(ji,jj) - epsi10 ) ) |
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[4045] | 428 | DO jl = 1, jpl |
---|
[4333] | 429 | z_da_i = a_i(ji,jj,jl) * z_da_ex / MAX( at_i(ji,jj), epsi10 ) * zindb |
---|
[4045] | 430 | a_i(ji,jj,jl) = MAX( 0._wp, a_i(ji,jj,jl) - z_da_i ) |
---|
| 431 | ! |
---|
[4333] | 432 | zinda = MAX( rzero, SIGN( rone, a_i(ji,jj,jl) - epsi10 ) ) |
---|
| 433 | ht_i(ji,jj,jl) = v_i(ji,jj,jl) / MAX( a_i(ji,jj,jl), epsi10 ) * zinda |
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[4045] | 434 | !v_i(ji,jj,jl) = ht_i(ji,jj,jl) * a_i(ji,jj,jl) ! makes ice shrinken but should not be used |
---|
| 435 | END DO |
---|
| 436 | END DO |
---|
| 437 | END DO |
---|
| 438 | at_i(:,:) = 0.0 |
---|
| 439 | DO jl = 1, jpl |
---|
| 440 | at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
---|
| 441 | END DO |
---|
| 442 | |
---|
| 443 | ! Final thickness distribution rebinning |
---|
| 444 | ! -------------------------------------- |
---|
| 445 | DO jm = 1, jpm |
---|
| 446 | jbnd1 = ice_cat_bounds(jm,1) |
---|
| 447 | jbnd2 = ice_cat_bounds(jm,2) |
---|
| 448 | IF (ice_ncat_types(jm) .GT. 1 ) CALL lim_itd_th_reb(jbnd1, jbnd2, jm) |
---|
| 449 | IF (ice_ncat_types(jm) .EQ. 1 ) THEN |
---|
| 450 | ENDIF |
---|
| 451 | END DO |
---|
| 452 | |
---|
| 453 | !--------------------- |
---|
| 454 | ! 2.11) Ice salinity |
---|
| 455 | !--------------------- |
---|
[4099] | 456 | ! clem correct bug on smv_i |
---|
| 457 | smv_i(:,:,:) = sm_i(:,:,:) * v_i(:,:,:) |
---|
| 458 | |
---|
[4045] | 459 | IF ( num_sal == 2 ) THEN ! general case |
---|
| 460 | DO jl = 1, jpl |
---|
| 461 | !DO jk = 1, nlay_i |
---|
| 462 | DO jj = 1, jpj |
---|
| 463 | DO ji = 1, jpi |
---|
| 464 | ! salinity stays in bounds |
---|
[4099] | 465 | !clem smv_i(ji,jj,jl) = MAX(MIN((rhoic-rhosn)/rhoic*sss_m(ji,jj),smv_i(ji,jj,jl)),0.1 * v_i(ji,jj,jl) ) |
---|
| 466 | smv_i(ji,jj,jl) = MAX( MIN( s_i_max * v_i(ji,jj,jl), smv_i(ji,jj,jl) ), s_i_min * v_i(ji,jj,jl) ) |
---|
[4333] | 467 | i_ice_switch = 1._wp - MAX( 0._wp, SIGN( 1._wp, -v_i(ji,jj,jl) ) ) |
---|
| 468 | smv_i(ji,jj,jl) = i_ice_switch * smv_i(ji,jj,jl) !+ s_i_min * ( 1._wp - i_ice_switch ) * v_i(ji,jj,jl) |
---|
[4045] | 469 | END DO ! ji |
---|
| 470 | END DO ! jj |
---|
| 471 | !END DO !jk |
---|
| 472 | END DO !jl |
---|
| 473 | ENDIF |
---|
| 474 | |
---|
| 475 | ! ------------------- |
---|
| 476 | at_i(:,:) = a_i(:,:,1) |
---|
| 477 | DO jl = 2, jpl |
---|
| 478 | at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
---|
| 479 | END DO |
---|
| 480 | |
---|
| 481 | !------------------------------------------------------------------------------ |
---|
| 482 | ! 2) Corrections to avoid wrong values | |
---|
| 483 | !------------------------------------------------------------------------------ |
---|
| 484 | ! Ice drift |
---|
| 485 | !------------ |
---|
| 486 | DO jj = 2, jpjm1 |
---|
[4072] | 487 | DO ji = 2, jpim1 |
---|
[4045] | 488 | IF ( at_i(ji,jj) .EQ. 0.0 ) THEN ! what to do if there is no ice |
---|
| 489 | IF ( at_i(ji+1,jj) .EQ. 0.0 ) u_ice(ji,jj) = 0.0 ! right side |
---|
| 490 | IF ( at_i(ji-1,jj) .EQ. 0.0 ) u_ice(ji-1,jj) = 0.0 ! left side |
---|
| 491 | IF ( at_i(ji,jj+1) .EQ. 0.0 ) v_ice(ji,jj) = 0.0 ! upper side |
---|
| 492 | IF ( at_i(ji,jj-1) .EQ. 0.0 ) v_ice(ji,jj-1) = 0.0 ! bottom side |
---|
| 493 | ENDIF |
---|
| 494 | END DO |
---|
| 495 | END DO |
---|
[4072] | 496 | !lateral boundary conditions |
---|
| 497 | CALL lbc_lnk( u_ice(:,:), 'U', -1. ) |
---|
| 498 | CALL lbc_lnk( v_ice(:,:), 'V', -1. ) |
---|
[4045] | 499 | !mask velocities |
---|
| 500 | u_ice(:,:) = u_ice(:,:) * tmu(:,:) |
---|
| 501 | v_ice(:,:) = v_ice(:,:) * tmv(:,:) |
---|
| 502 | |
---|
| 503 | !-------------------------------- |
---|
| 504 | ! Update mass/salt fluxes (clem) |
---|
| 505 | !-------------------------------- |
---|
| 506 | DO jl = 1, jpl |
---|
| 507 | DO jj = 1, jpj |
---|
| 508 | DO ji = 1, jpi |
---|
| 509 | diag_res_pr(ji,jj) = diag_res_pr(ji,jj) + ( v_i(ji,jj,jl) - zviold(ji,jj,jl) ) / rdt_ice |
---|
| 510 | rdm_ice(ji,jj) = rdm_ice(ji,jj) + ( v_i(ji,jj,jl) - zviold(ji,jj,jl) ) * rhoic |
---|
| 511 | rdm_snw(ji,jj) = rdm_snw(ji,jj) + ( v_s(ji,jj,jl) - zvsold(ji,jj,jl) ) * rhosn |
---|
| 512 | sfx_res(ji,jj) = sfx_res(ji,jj) - ( smv_i(ji,jj,jl) - zsmvold(ji,jj,jl) ) * rhoic / rdt_ice |
---|
| 513 | END DO |
---|
| 514 | END DO |
---|
| 515 | END DO |
---|
| 516 | |
---|
| 517 | ! ------------------------------- |
---|
| 518 | !- check conservation (C Rousset) |
---|
| 519 | IF (ln_limdiahsb) THEN |
---|
| 520 | |
---|
| 521 | zchk_fs = glob_sum( ( sfx_bri(:,:) + sfx_thd(:,:) + sfx_res(:,:) + sfx_mec(:,:) ) * area(:,:) * tms(:,:) ) - zchk_fs_b |
---|
| 522 | zchk_fw = glob_sum( rdm_ice(:,:) * area(:,:) * tms(:,:) ) - zchk_fw_b |
---|
| 523 | |
---|
| 524 | zchk_v_i = ( glob_sum( SUM( v_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) - zchk_v_i_b - ( zchk_fw / rhoic ) ) * r1_rdtice |
---|
| 525 | zchk_smv = ( glob_sum( SUM( smv_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) - zchk_smv_b ) * r1_rdtice + ( zchk_fs / rhoic ) |
---|
| 526 | |
---|
| 527 | zchk_vmin = glob_min(v_i) |
---|
| 528 | zchk_amax = glob_max(SUM(a_i,dim=3)) |
---|
| 529 | zchk_amin = glob_min(a_i) |
---|
| 530 | |
---|
| 531 | IF(lwp) THEN |
---|
| 532 | IF ( ABS( zchk_v_i ) > 1.e-5 ) WRITE(numout,*) 'violation volume [m3/day] (limupdate2) = ',(zchk_v_i * rday) |
---|
| 533 | IF ( ABS( zchk_smv ) > 1.e-4 ) WRITE(numout,*) 'violation saline [psu*m3/day] (limupdate2) = ',(zchk_smv * rday) |
---|
| 534 | IF ( zchk_vmin < 0. ) WRITE(numout,*) 'violation v_i<0 [mm] (limupdate2) = ',(zchk_vmin * 1.e-3) |
---|
| 535 | IF ( zchk_amax > amax+epsi10 ) WRITE(numout,*) 'violation a_i>amax (limupdate2) = ',zchk_amax |
---|
| 536 | IF ( zchk_amin < 0. ) WRITE(numout,*) 'violation a_i<0 (limupdate2) = ',zchk_amin |
---|
| 537 | ENDIF |
---|
| 538 | ENDIF |
---|
| 539 | !- check conservation (C Rousset) |
---|
| 540 | ! ------------------------------- |
---|
| 541 | |
---|
| 542 | IF(ln_ctl) THEN ! Control print |
---|
| 543 | CALL prt_ctl_info(' ') |
---|
| 544 | CALL prt_ctl_info(' - Cell values : ') |
---|
| 545 | CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') |
---|
| 546 | CALL prt_ctl(tab2d_1=area , clinfo1=' lim_update2 : cell area :') |
---|
| 547 | CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_update2 : at_i :') |
---|
| 548 | CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_update2 : vt_i :') |
---|
| 549 | CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_update2 : vt_s :') |
---|
| 550 | CALL prt_ctl(tab2d_1=strength , clinfo1=' lim_update2 : strength :') |
---|
| 551 | CALL prt_ctl(tab2d_1=u_ice , clinfo1=' lim_update2 : u_ice :', tab2d_2=v_ice , clinfo2=' v_ice :') |
---|
| 552 | CALL prt_ctl(tab2d_1=old_u_ice , clinfo1=' lim_update2 : old_u_ice :', tab2d_2=old_v_ice , clinfo2=' old_v_ice :') |
---|
| 553 | |
---|
| 554 | DO jl = 1, jpl |
---|
| 555 | CALL prt_ctl_info(' ') |
---|
| 556 | CALL prt_ctl_info(' - Category : ', ivar1=jl) |
---|
| 557 | CALL prt_ctl_info(' ~~~~~~~~~~') |
---|
| 558 | CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_update2 : ht_i : ') |
---|
| 559 | CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_update2 : ht_s : ') |
---|
| 560 | CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_update2 : t_su : ') |
---|
| 561 | CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_update2 : t_snow : ') |
---|
| 562 | CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_update2 : sm_i : ') |
---|
| 563 | CALL prt_ctl(tab2d_1=o_i (:,:,jl) , clinfo1= ' lim_update2 : o_i : ') |
---|
| 564 | CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_update2 : a_i : ') |
---|
| 565 | CALL prt_ctl(tab2d_1=old_a_i (:,:,jl) , clinfo1= ' lim_update2 : old_a_i : ') |
---|
| 566 | CALL prt_ctl(tab2d_1=d_a_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_a_i_thd : ') |
---|
| 567 | CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_update2 : v_i : ') |
---|
| 568 | CALL prt_ctl(tab2d_1=old_v_i (:,:,jl) , clinfo1= ' lim_update2 : old_v_i : ') |
---|
| 569 | CALL prt_ctl(tab2d_1=d_v_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_v_i_thd : ') |
---|
| 570 | CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_update2 : v_s : ') |
---|
| 571 | CALL prt_ctl(tab2d_1=old_v_s (:,:,jl) , clinfo1= ' lim_update2 : old_v_s : ') |
---|
| 572 | CALL prt_ctl(tab2d_1=d_v_s_thd (:,:,jl) , clinfo1= ' lim_update2 : d_v_s_thd : ') |
---|
| 573 | CALL prt_ctl(tab2d_1=e_i (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : e_i1 : ') |
---|
| 574 | CALL prt_ctl(tab2d_1=old_e_i (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : old_e_i1 : ') |
---|
| 575 | CALL prt_ctl(tab2d_1=d_e_i_thd (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : de_i1_thd : ') |
---|
| 576 | CALL prt_ctl(tab2d_1=e_i (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : e_i2 : ') |
---|
| 577 | CALL prt_ctl(tab2d_1=old_e_i (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : old_e_i2 : ') |
---|
| 578 | CALL prt_ctl(tab2d_1=d_e_i_thd (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : de_i2_thd : ') |
---|
| 579 | CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_update2 : e_snow : ') |
---|
| 580 | CALL prt_ctl(tab2d_1=old_e_s (:,:,1,jl) , clinfo1= ' lim_update2 : old_e_snow : ') |
---|
| 581 | CALL prt_ctl(tab2d_1=d_e_s_thd (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : d_e_s_thd : ') |
---|
| 582 | CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_update2 : smv_i : ') |
---|
| 583 | CALL prt_ctl(tab2d_1=old_smv_i (:,:,jl) , clinfo1= ' lim_update2 : old_smv_i : ') |
---|
| 584 | CALL prt_ctl(tab2d_1=d_smv_i_thd(:,:,jl) , clinfo1= ' lim_update2 : d_smv_i_thd : ') |
---|
| 585 | CALL prt_ctl(tab2d_1=oa_i (:,:,jl) , clinfo1= ' lim_update2 : oa_i : ') |
---|
| 586 | CALL prt_ctl(tab2d_1=old_oa_i (:,:,jl) , clinfo1= ' lim_update2 : old_oa_i : ') |
---|
| 587 | CALL prt_ctl(tab2d_1=d_oa_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_oa_i_thd : ') |
---|
| 588 | |
---|
| 589 | DO jk = 1, nlay_i |
---|
| 590 | CALL prt_ctl_info(' - Layer : ', ivar1=jk) |
---|
| 591 | CALL prt_ctl(tab2d_1=t_i(:,:,jk,jl) , clinfo1= ' lim_update2 : t_i : ') |
---|
| 592 | END DO |
---|
| 593 | END DO |
---|
| 594 | |
---|
| 595 | CALL prt_ctl_info(' ') |
---|
| 596 | CALL prt_ctl_info(' - Heat / FW fluxes : ') |
---|
| 597 | CALL prt_ctl_info(' ~~~~~~~~~~~~~~~~~~ ') |
---|
| 598 | CALL prt_ctl(tab2d_1=fmmec , clinfo1= ' lim_update2 : fmmec : ', tab2d_2=fhmec , clinfo2= ' fhmec : ') |
---|
| 599 | CALL prt_ctl(tab2d_1=sst_m , clinfo1= ' lim_update2 : sst : ', tab2d_2=sss_m , clinfo2= ' sss : ') |
---|
| 600 | CALL prt_ctl(tab2d_1=fhbri , clinfo1= ' lim_update2 : fhbri : ', tab2d_2=fheat_mec , clinfo2= ' fheat_mec : ') |
---|
| 601 | |
---|
| 602 | CALL prt_ctl_info(' ') |
---|
| 603 | CALL prt_ctl_info(' - Stresses : ') |
---|
| 604 | CALL prt_ctl_info(' ~~~~~~~~~~ ') |
---|
| 605 | CALL prt_ctl(tab2d_1=utau , clinfo1= ' lim_update2 : utau : ', tab2d_2=vtau , clinfo2= ' vtau : ') |
---|
| 606 | CALL prt_ctl(tab2d_1=utau_ice , clinfo1= ' lim_update2 : utau_ice : ', tab2d_2=vtau_ice , clinfo2= ' vtau_ice : ') |
---|
| 607 | CALL prt_ctl(tab2d_1=u_oce , clinfo1= ' lim_update2 : u_oce : ', tab2d_2=v_oce , clinfo2= ' v_oce : ') |
---|
| 608 | ENDIF |
---|
| 609 | |
---|
| 610 | CALL wrk_dealloc( jpi,jpj,jpl, internal_melt ) ! integer |
---|
| 611 | CALL wrk_dealloc( jkmax, zthick0, zqm0 ) |
---|
| 612 | |
---|
| 613 | CALL wrk_dealloc( jpi,jpj,jpl,zviold, zvsold, zsmvold ) ! clem |
---|
| 614 | |
---|
[4072] | 615 | IF( nn_timing == 1 ) CALL timing_stop('limupdate2') |
---|
[4045] | 616 | END SUBROUTINE lim_update2 |
---|
| 617 | #else |
---|
| 618 | !!---------------------------------------------------------------------- |
---|
| 619 | !! Default option Empty Module No sea-ice model |
---|
| 620 | !!---------------------------------------------------------------------- |
---|
| 621 | CONTAINS |
---|
| 622 | SUBROUTINE lim_update2 ! Empty routine |
---|
| 623 | END SUBROUTINE lim_update2 |
---|
| 624 | |
---|
| 625 | #endif |
---|
| 626 | |
---|
| 627 | END MODULE limupdate2 |
---|