[4045] | 1 | MODULE limdiahsb |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE limdia_hsb *** |
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| 4 | !! LIM-3 sea ice model : diagnostics of ice model |
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| 5 | !!====================================================================== |
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| 6 | !! History : 3.4 ! 2012-10 (C. Rousset) 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_dia_hsb : computation and output of the time evolution of keys variables |
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| 13 | !! lim_dia_hsb_init : initialization and namelist read |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | USE ice ! LIM-3: sea-ice variable |
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| 16 | USE par_ice ! LIM-3: ice parameters |
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| 17 | USE dom_ice ! LIM-3: sea-ice domain |
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| 18 | USE dom_oce ! ocean domain |
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| 19 | USE sbc_oce ! surface boundary condition: ocean fields |
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| 20 | USE daymod ! model calendar |
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| 21 | USE phycst ! physical constant |
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| 22 | USE in_out_manager ! I/O manager |
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| 23 | USE lib_mpp ! MPP library |
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| 24 | USE timing ! preformance summary |
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| 25 | USE iom ! I/O manager |
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| 26 | USE lib_fortran ! glob_sum |
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| 27 | USE limrst ! ice restart |
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| 28 | |
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| 29 | IMPLICIT NONE |
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| 30 | PRIVATE |
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| 31 | |
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| 32 | PUBLIC lim_diahsb ! routine called by ice_step.F90 |
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| 33 | !!PUBLIC lim_diahsb_init ! routine called by ice_init.F90 |
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| 34 | !!PUBLIC lim_diahsb_rst ! routine called by ice_init.F90 |
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| 35 | |
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| 36 | REAL(wp), SAVE :: frc_sal, frc_vol ! global forcing trends |
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| 37 | REAL(wp), SAVE :: bg_grpme ! global ice growth+melt trends |
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| 38 | REAL(wp) :: epsi06 = 1.e-6_wp ! small number |
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| 39 | REAL(wp) :: epsi03 = 1.e-3_wp ! small number |
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| 40 | |
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| 41 | |
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| 42 | !! * Substitutions |
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| 43 | # include "vectopt_loop_substitute.h90" |
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| 44 | |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | !! NEMO/OPA 3.4 , NEMO Consortium (2012) |
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| 47 | !! $Id: limdiahsb.F90 3294 2012-10-18 16:44:18Z rblod $ |
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| 48 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 49 | !!---------------------------------------------------------------------- |
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| 50 | |
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| 51 | CONTAINS |
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| 52 | |
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| 53 | SUBROUTINE lim_diahsb |
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| 54 | !!--------------------------------------------------------------------------- |
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| 55 | !! *** ROUTINE lim_diahsb *** |
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| 56 | !! |
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| 57 | !! ** Purpose: Compute the ice global heat content, salt content and volume conservation |
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| 58 | !! |
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| 59 | !! ** Method : - Compute the deviation of heat content, salt content and volume |
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| 60 | !! at the current time step from their values at nit000 |
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| 61 | !! - Compute the contribution of forcing and remove it from these deviations |
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| 62 | !! |
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| 63 | !!--------------------------------------------------------------------------- |
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| 64 | !! |
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| 65 | REAL(wp) :: zbg_ivo, zbg_svo, zbg_are, zbg_sal ,zbg_tem ,zbg_ihc ,zbg_shc |
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| 66 | REAL(wp) :: zbg_sfx, zbg_emp, zbg_sfx_bri, zbg_sfx_thd, zbg_sfx_res, zbg_sfx_mec |
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| 67 | REAL(wp) :: z_frc_vol, z_frc_sal, z_bg_grpme |
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| 68 | REAL(wp) :: zdeltat, z1_area ! - - |
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| 69 | !!--------------------------------------------------------------------------- |
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| 70 | IF( nn_timing == 1 ) CALL timing_start('lim_diahsb') |
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| 71 | |
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| 72 | IF( numit == nstart ) CALL lim_diahsb_init |
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| 73 | |
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| 74 | ! 1/area |
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| 75 | z1_area = 1.0 / MAX( glob_sum( area(:,:) * tms(:,:) ),epsi06 ) |
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| 76 | ! ----------------------- ! |
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| 77 | ! 1 - Content variations ! |
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| 78 | ! ----------------------- ! |
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| 79 | zbg_ivo = glob_sum( vt_i(:,:) * area(:,:) * tms(:,:) ) ! volume ice |
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| 80 | zbg_svo = glob_sum( vt_s(:,:) * area(:,:) * tms(:,:) ) ! volume snow |
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| 81 | zbg_are = glob_sum( at_i(:,:) * area(:,:) * tms(:,:) ) ! area |
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| 82 | zbg_sal = glob_sum( SUM(smv_i(:,:,:),dim=3) * area(:,:) * tms(:,:) ) ! mean salt content |
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| 83 | zbg_tem = glob_sum( (tm_i(:,:)-rtt) * vt_i(:,:) * area(:,:) * tms(:,:) ) ! mean temp content |
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| 84 | |
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| 85 | !zbg_ihc = glob_sum( et_i(:,:) * area(:,:) * tms(:,:) ) / MAX( zbg_ivo,epsi06 ) ! ice heat content |
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| 86 | !zbg_shc = glob_sum( et_s(:,:) * area(:,:) * tms(:,:) ) / MAX( zbg_svo,epsi06 ) ! snow heat content |
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| 87 | |
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| 88 | zbg_ihc = glob_sum( et_i(:,:) ) ! ice heat content [10^9 J] |
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| 89 | zbg_shc = glob_sum( et_s(:,:) ) ! snow heat content [10^9 J] |
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| 90 | |
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| 91 | zbg_sfx = glob_sum( sfx(:,:) * area(:,:) * tms(:,:) ) * z1_area |
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| 92 | zbg_emp = glob_sum( emp(:,:) * area(:,:) * tms(:,:) ) * z1_area |
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| 93 | zbg_sfx_bri = glob_sum( sfx_bri(:,:) * area(:,:) * tms(:,:) ) * z1_area |
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| 94 | zbg_sfx_thd = glob_sum( sfx_thd(:,:) * area(:,:) * tms(:,:) ) * z1_area |
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| 95 | zbg_sfx_res = glob_sum( sfx_res(:,:) * area(:,:) * tms(:,:) ) * z1_area |
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| 96 | zbg_sfx_mec = glob_sum( sfx_mec(:,:) * area(:,:) * tms(:,:) ) * z1_area |
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| 97 | |
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| 98 | ! --------------------------------------------- ! |
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| 99 | ! 2 - Trends due to forcing and ice growth/melt ! |
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| 100 | ! --------------------------------------------- ! |
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| 101 | z_frc_vol = ( 1.e0 / rau0 ) * glob_sum( - emp(:,:) * area(:,:) * tms(:,:) ) ! volume fluxes |
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| 102 | z_frc_sal = ( 1.e0 / rau0 ) * glob_sum( sfx(:,:) * area(:,:) * tms(:,:) ) ! salt fluxes |
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| 103 | z_bg_grpme = glob_sum( ( diag_bot_gr(:,:) + diag_lat_gr(:,:) + diag_sni_gr(:,:) + diag_dyn_gr(:,:) + & |
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| 104 | & diag_bot_me(:,:) + diag_sur_me(:,:) + diag_res_pr(:,:) ) * area(:,:) * tms(:,:) ) ! volume fluxes |
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| 105 | ! |
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| 106 | frc_vol = frc_vol + z_frc_vol * rdt_ice |
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| 107 | frc_sal = frc_sal + z_frc_sal * rdt_ice |
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| 108 | bg_grpme = bg_grpme + z_bg_grpme * rdt_ice |
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| 109 | |
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| 110 | ! difference |
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| 111 | !frc_vol = zbg_ivo - frc_vol |
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| 112 | !frc_sal = zbg_sal - frc_sal |
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| 113 | |
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| 114 | ! ----------------------- ! |
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| 115 | ! 3 - Diagnostics writing ! |
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| 116 | ! ----------------------- ! |
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| 117 | !zdeltat = 1.e0 / ( ( kt - nit000 + 1 ) * rdt_ice ) |
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| 118 | ! |
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| 119 | CALL iom_put( 'ibgvoltot',zbg_ivo * rhoic / rau0 * 1.e-9 ) ! m3 (equivalent liquid) |
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| 120 | CALL iom_put( 'sbgvoltot',zbg_svo * rhosn / rau0 * 1.e-9 ) ! m3 (equivalent liquid) |
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| 121 | CALL iom_put( 'ibgarea',zbg_are * 1.e-6 ) |
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| 122 | CALL iom_put( 'ibgsaline',zbg_sal / MAX( zbg_ivo,epsi03 ) ) |
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| 123 | CALL iom_put( 'ibgtemper',zbg_tem / MAX( zbg_ivo,epsi03 ) ) |
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| 124 | CALL iom_put( 'ibgheatco',zbg_ihc ) ! 10^9 J |
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| 125 | CALL iom_put( 'ibgsaltco',zbg_sal * rhoic / rau0 * 1.e-9 ) ! psu*km3 |
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| 126 | CALL iom_put( 'sbgheatco',zbg_shc ) ! 10^9 J |
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| 127 | CALL iom_put( 'ibgfrcemp',frc_vol * 1.e-9 ) !vol - forcing : km3 (equivalent liquid) |
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| 128 | CALL iom_put( 'ibgfrcsfx',frc_sal * 1.e-9 ) !sal - forcing : psu*km3 |
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| 129 | CALL iom_put( 'ibgsfx',zbg_sfx *rday) |
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| 130 | CALL iom_put( 'ibgemp',zbg_emp *rday) |
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| 131 | CALL iom_put( 'ibgsfxbri',zbg_sfx_bri *rday) |
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| 132 | CALL iom_put( 'ibgsfxthd',zbg_sfx_thd *rday) |
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| 133 | CALL iom_put( 'ibgsfxres',zbg_sfx_res *rday) |
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| 134 | CALL iom_put( 'ibgsfxmec',zbg_sfx_mec *rday) |
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| 135 | CALL iom_put( 'ibggrpme',bg_grpme * rhoic / rau0 * 1.e-9 ) ! km3 (equivalent liquid) |
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| 136 | ! |
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| 137 | IF( lrst_ice ) CALL lim_diahsb_rst( numit, 'WRITE' ) |
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| 138 | ! |
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| 139 | IF( nn_timing == 1 ) CALL timing_stop('lim_diahsb') |
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| 140 | ! |
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| 141 | END SUBROUTINE lim_diahsb |
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| 142 | |
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| 143 | |
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| 144 | SUBROUTINE lim_diahsb_init |
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| 145 | !!--------------------------------------------------------------------------- |
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| 146 | !! *** ROUTINE lim_diahsb_init *** |
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| 147 | !! |
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| 148 | !! ** Purpose: Initialization for the heat salt volume budgets |
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| 149 | !! |
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| 150 | !! ** Method : Compute initial heat content, salt content and volume |
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| 151 | !! |
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| 152 | !! ** Action : - Compute initial heat content, salt content and volume |
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| 153 | !! - Initialize forcing trends |
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| 154 | !! - Compute coefficients for conversion |
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| 155 | !!--------------------------------------------------------------------------- |
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| 156 | INTEGER :: jk ! dummy loop indice |
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| 157 | INTEGER :: ierror ! local integer |
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| 158 | !! |
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| 159 | !!NAMELIST/namicehsb/ blabla |
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| 160 | !!---------------------------------------------------------------------- |
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| 161 | ! |
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| 162 | !!REWIND ( numnam_ice ) ! Read Namelist namicehsb |
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| 163 | !!READ ( numnam_ice, namicehsb ) |
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| 164 | ! |
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| 165 | IF(lwp) THEN ! Control print |
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| 166 | WRITE(numout,*) |
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| 167 | WRITE(numout,*) 'lim_diahsb_init : check the heat and salt budgets' |
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| 168 | WRITE(numout,*) '~~~~~~~~~~~~' |
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| 169 | ENDIF |
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| 170 | |
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| 171 | ! ---------------------------------- ! |
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| 172 | ! 2 - initial conservation variables ! |
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| 173 | ! ---------------------------------- ! |
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| 174 | !frc_vol = 0._wp ! volume trend due to forcing |
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| 175 | !frc_sal = 0._wp ! salt content - - - - |
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| 176 | !bg_grpme = 0._wp ! ice growth + melt volume trend |
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| 177 | ! |
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| 178 | CALL lim_diahsb_rst( nstart, 'READ' ) !* read or initialize all required files |
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| 179 | ! |
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| 180 | END SUBROUTINE lim_diahsb_init |
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| 181 | |
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| 182 | SUBROUTINE lim_diahsb_rst( kt, cdrw ) |
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| 183 | !!--------------------------------------------------------------------- |
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| 184 | !! *** ROUTINE limdia_rst *** |
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| 185 | !! |
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| 186 | !! ** Purpose : Read or write DIA file in restart file |
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| 187 | !! |
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| 188 | !! ** Method : use of IOM library |
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| 189 | !!---------------------------------------------------------------------- |
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| 190 | INTEGER , INTENT(in) :: kt ! ice time-step |
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| 191 | CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
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| 192 | ! |
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| 193 | INTEGER :: id1, id2, id3 ! local integers |
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| 194 | !!---------------------------------------------------------------------- |
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| 195 | ! |
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| 196 | IF( TRIM(cdrw) == 'READ' ) THEN ! Read/initialise |
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| 197 | IF( ln_rstart ) THEN !* Read the restart file |
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| 198 | id1 = iom_varid( numrir, 'frc_vol' , ldstop = .TRUE. ) |
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| 199 | ! |
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| 200 | CALL iom_get( numrir, 'frc_vol', frc_vol ) |
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| 201 | CALL iom_get( numrir, 'frc_sal', frc_sal ) |
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| 202 | CALL iom_get( numrir, 'bg_grpme', bg_grpme ) |
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| 203 | ELSE |
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| 204 | frc_vol = 0._wp |
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| 205 | frc_sal = 0._wp |
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| 206 | bg_grpme = 0._wp |
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| 207 | ENDIF |
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| 208 | |
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| 209 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN ! Create restart file |
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| 210 | ! ! ------------------- |
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| 211 | IF(lwp) WRITE(numout,*) '---- limdia-rst ----' |
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| 212 | CALL iom_rstput( kt, nitrst, numriw, 'frc_vol' , frc_vol ) |
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| 213 | CALL iom_rstput( kt, nitrst, numriw, 'frc_sal' , frc_sal ) |
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| 214 | CALL iom_rstput( kt, nitrst, numriw, 'bg_grpme' , bg_grpme ) |
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| 215 | ! |
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| 216 | ENDIF |
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| 217 | ! |
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| 218 | END SUBROUTINE lim_diahsb_rst |
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| 219 | |
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| 220 | #else |
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| 221 | !!---------------------------------------------------------------------- |
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| 222 | !! Default option : Empty module NO LIM sea-ice model |
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| 223 | !!---------------------------------------------------------------------- |
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| 224 | CONTAINS |
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| 225 | SUBROUTINE lim_diahsb ! Empty routine |
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| 226 | END SUBROUTINE lim_diahsb |
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| 227 | #endif |
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| 228 | !!====================================================================== |
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| 229 | END MODULE limdiahsb |
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