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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