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 limdia |
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29 | USE limdiahsb |
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30 | USE limwri |
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31 | USE limrst |
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32 | USE thd_ice ! LIM thermodynamic sea-ice variables |
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33 | USE par_ice |
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34 | USE limitd_th |
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35 | USE limitd_me |
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36 | USE limvar |
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37 | USE prtctl ! Print control |
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38 | USE lbclnk ! lateral boundary condition - MPP exchanges |
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39 | USE wrk_nemo ! work arrays |
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40 | USE lib_fortran ! glob_sum |
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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) :: epsi06 = 1.e-06_wp ! module constants |
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48 | REAL(wp) :: epsi04 = 1.e-04_wp ! - - |
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49 | REAL(wp) :: epsi10 = 1.e-10_wp ! - - |
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50 | REAL(wp) :: epsi16 = 1.e-16_wp ! - - |
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51 | REAL(wp) :: epsi20 = 1.e-20_wp ! - - |
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52 | REAL(wp) :: rzero = 0._wp ! - - |
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53 | REAL(wp) :: rone = 1._wp ! - - |
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54 | |
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55 | !! * Substitutions |
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56 | # include "vectopt_loop_substitute.h90" |
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57 | !!---------------------------------------------------------------------- |
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58 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) |
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59 | !! $Id: limupdate.F90 3294 2012-01-28 16:44:18Z rblod $ |
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60 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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61 | !!---------------------------------------------------------------------- |
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62 | CONTAINS |
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63 | |
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64 | SUBROUTINE lim_update2 |
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65 | !!------------------------------------------------------------------- |
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66 | !! *** ROUTINE lim_update2 *** |
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67 | !! |
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68 | !! ** Purpose : Computes update of sea-ice global variables at |
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69 | !! the end of the time step. |
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70 | !! Address pathological cases |
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71 | !! This place is very important |
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72 | !! |
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73 | !! ** Method : |
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74 | !! Ice speed from ice dynamics |
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75 | !! Ice thickness, Snow thickness, Temperatures, Lead fraction |
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76 | !! from advection and ice thermodynamics |
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77 | !! |
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78 | !! ** Action : - |
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79 | !!--------------------------------------------------------------------- |
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80 | INTEGER :: ji, jj, jk, jl, jm ! dummy loop indices |
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81 | INTEGER :: jbnd1, jbnd2 |
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82 | INTEGER :: i_ice_switch |
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83 | INTEGER :: ind_im, layer ! indices for internal melt |
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84 | REAL(wp) :: zweight, zesum, zhimax, z_da_i |
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85 | REAL(wp) :: zinda, zindb, zindsn, zindic |
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86 | REAL(wp) :: zindg, zh, zdvres, zviold2 |
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87 | REAL(wp) :: zbigvalue, zvsold2, z_da_ex |
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88 | REAL(wp) :: z_prescr_hi, zat_i_old, ztmelts, ze_s |
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89 | |
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90 | INTEGER , POINTER, DIMENSION(:,:,:) :: internal_melt |
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91 | REAL(wp), POINTER, DIMENSION(:) :: zthick0, zqm0 ! thickness of the layers and heat contents for |
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92 | 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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93 | REAL(wp) :: zchk_vmin, zchk_amin, zchk_amax ! Check errors (C Rousset) |
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94 | ! mass and salt flux (clem) |
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95 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zviold, zvsold, zsmvold ! old ice volume... |
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96 | !!------------------------------------------------------------------- |
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97 | |
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98 | CALL wrk_alloc( jpi,jpj,jpl, internal_melt ) ! integer |
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99 | CALL wrk_alloc( jkmax, zthick0, zqm0 ) |
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100 | |
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101 | CALL wrk_alloc( jpi,jpj,jpl,zviold, zvsold, zsmvold ) ! clem |
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102 | |
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103 | !------------------------------------------------------------------------------ |
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104 | ! 1. Update of Global variables | |
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105 | !------------------------------------------------------------------------------ |
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106 | |
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107 | !----------------------------- |
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108 | ! Update ice and snow volumes |
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109 | !----------------------------- |
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110 | DO jl = 1, jpl |
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111 | v_i(:,:,jl) = v_i(:,:,jl) + d_v_i_thd(:,:,jl) |
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112 | v_s(:,:,jl) = v_s(:,:,jl) + d_v_s_thd(:,:,jl) |
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113 | END DO |
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114 | |
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115 | !--------------------------------------------- |
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116 | ! Ice concentration and ice heat content |
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117 | !--------------------------------------------- |
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118 | a_i (:,:,:) = a_i (:,:,:) + d_a_i_thd(:,:,:) |
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119 | e_i(:,:,:,:) = e_i(:,:,:,:) + d_e_i_thd(:,:,:,:) |
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120 | |
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121 | !------------------------------ |
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122 | ! Snow temperature and ice age |
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123 | !------------------------------ |
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124 | e_s (:,:,:,:) = e_s (:,:,:,:) + d_e_s_thd (:,:,:,:) |
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125 | oa_i(:,:,:) = oa_i(:,:,:) + d_oa_i_thd(:,:,:) |
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126 | |
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127 | !-------------- |
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128 | ! Ice salinity |
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129 | !-------------- |
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130 | IF( num_sal == 2 .OR. num_sal == 4 ) THEN ! general case |
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131 | smv_i(:,:,:) = smv_i(:,:,:) + d_smv_i_thd(:,:,:) |
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132 | ENDIF |
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133 | |
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134 | ! mass and salt flux init (clem) |
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135 | zviold(:,:,:) = v_i(:,:,:) |
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136 | zvsold(:,:,:) = v_s(:,:,:) |
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137 | zsmvold(:,:,:) = smv_i(:,:,:) |
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138 | |
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139 | ! ------------------------------- |
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140 | !- check conservation (C Rousset) |
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141 | IF (ln_limdiahsb) THEN |
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142 | zchk_v_i_b = glob_sum( SUM( v_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) |
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143 | zchk_smv_b = glob_sum( SUM( smv_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) |
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144 | zchk_fw_b = glob_sum( rdmicif(:,:) * area(:,:) * tms(:,:) ) |
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145 | zchk_fs_b = glob_sum( ( fsbri(:,:) + fseqv(:,:) + fsalt_res(:,:) + fsalt_rpo(:,:) ) * area(:,:) * tms(:,:) ) |
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146 | ENDIF |
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147 | !- check conservation (C Rousset) |
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148 | ! ------------------------------- |
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149 | |
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150 | CALL lim_var_glo2eqv |
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151 | |
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152 | !--------------------------------- |
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153 | ! Classify the pathological cases |
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154 | !--------------------------------- |
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155 | ! (1) v_i (new) > 0; d_v_i_thd + v_i(old) > 0 (easy case) |
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156 | ! (2) v_i (new) > 0; d_v_i_thd + v_i(old) = 0 (total thermodynamic ablation) |
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157 | ! (3) v_i (new) < 0; d_v_i_thd + v_i(old) > 0 (combined total ablation) |
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158 | ! (4) v_i (new) < 0; d_v_i_thd + v_i(old) = 0 (total thermodynamic ablation |
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159 | ! with negative advection, very pathological ) |
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160 | ! |
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161 | DO jl = 1, jpl |
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162 | DO jj = 1, jpj |
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163 | DO ji = 1, jpi |
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164 | patho_case(ji,jj,jl) = 1 |
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165 | IF( v_i(ji,jj,jl) .GE. 0.0 ) THEN |
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166 | IF ( old_v_i(ji,jj,jl) + d_v_i_thd(ji,jj,jl) .LT. epsi10 ) THEN |
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167 | patho_case(ji,jj,jl) = 2 |
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168 | ENDIF |
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169 | ELSE |
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170 | patho_case(ji,jj,jl) = 3 |
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171 | IF( old_v_i(ji,jj,jl) + d_v_i_thd(ji,jj,jl) .LT. epsi10 ) THEN |
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172 | patho_case(ji,jj,jl) = 4 |
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173 | ENDIF |
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174 | ENDIF |
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175 | END DO |
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176 | END DO |
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177 | END DO |
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178 | |
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179 | !-------------------------------------- |
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180 | ! 2. Review of all pathological cases |
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181 | !-------------------------------------- |
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182 | !------------------------------------------- |
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183 | ! 2.1) Advection of ice in an ice-free cell |
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184 | !------------------------------------------- |
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185 | ! should be removed since it is treated after dynamics now |
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186 | |
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187 | ! !IF( ln_nicep ) THEN |
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188 | ! WRITE(numout,*) ' limupdate2 - before h correction ' |
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189 | ! WRITE(numout,*) ' a_i : ', a_i(12, 44, 1:jpl) |
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190 | ! WRITE(numout,*) ' at_i : ', at_i(12,44) |
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191 | ! WRITE(numout,*) ' v_i : ', v_i(12, 44, 1:jpl) |
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192 | ! WRITE(numout,*) ' ht_i : ', ht_i(12, 44, 1:jpl) |
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193 | ! !ENDIF |
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194 | |
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195 | zhimax = 1._wp |
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196 | ! first category |
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197 | DO jj = 1, jpj |
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198 | DO ji = 1, jpi |
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199 | !--- the thickness of such an ice is often out of bounds |
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200 | !--- thus we recompute a new area while conserving ice volume |
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201 | zat_i_old = SUM( old_a_i(ji,jj,:) ) |
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202 | zindb = MAX( 0._wp, SIGN( 1._wp, ABS( d_a_i_thd(ji,jj,1)) - epsi10 ) ) |
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203 | 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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204 | .AND.( ( v_i(ji,jj,1)/MAX(a_i(ji,jj,1),epsi10)*zindb) .GT. zhimax ) & |
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205 | .AND.( zat_i_old .LT. 1.e-6 ) ) THEN ! new line |
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206 | ht_i(ji,jj,1) = hi_max(1) / 2.0 |
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207 | a_i (ji,jj,1) = v_i(ji,jj,1) / ht_i(ji,jj,1) |
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208 | ENDIF |
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209 | END DO |
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210 | END DO |
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211 | |
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212 | ! !IF( ln_nicep ) THEN |
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213 | ! at_i(:,:) = 0._wp |
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214 | ! DO jl = 1, jpl |
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215 | ! at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
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216 | ! END DO |
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217 | ! WRITE(numout,*) ' limupdate2 - after h correction 1 ' |
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218 | ! WRITE(numout,*) ' a_i : ', a_i(12, 44, 1:jpl) |
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219 | ! WRITE(numout,*) ' at_i : ', at_i(12,44) |
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220 | ! WRITE(numout,*) ' v_i : ', v_i(12, 44, 1:jpl) |
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221 | ! WRITE(numout,*) ' ht_i : ', ht_i(12, 44, 1:jpl) |
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222 | ! !ENDIF |
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223 | ! |
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224 | zhimax = 10._wp |
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225 | ! other categories |
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226 | DO jl = 2, jpl |
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227 | jm = ice_types(jl) |
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228 | DO jj = 1, jpj |
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229 | DO ji = 1, jpi |
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230 | zindb = MAX( rzero, SIGN( rone, ABS(d_a_i_thd(ji,jj,jl)) - epsi10 ) ) |
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231 | ! this correction is very tricky... sometimes, advection gets wrong i don't know why |
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232 | ! it makes problems when the advected volume and concentration do not seem to be |
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233 | ! related with each other |
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234 | ! the new thickness is sometimes very big! |
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235 | ! and sometimes d_a_i_trp and d_v_i_trp have different sign |
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236 | ! which of course is plausible |
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237 | ! but fuck! it fucks everything up :) |
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238 | 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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239 | .AND.(v_i(ji,jj,jl)/MAX(a_i(ji,jj,jl),epsi10)*zindb) .GT. zhimax ) THEN |
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240 | 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) ) / 2.0 |
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241 | a_i (ji,jj,jl) = v_i(ji,jj,jl) / ht_i(ji,jj,jl) |
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242 | ENDIF |
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243 | END DO ! ji |
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244 | END DO !jj |
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245 | END DO !jl |
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246 | |
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247 | at_i(:,:) = 0._wp |
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248 | DO jl = 1, jpl |
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249 | at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
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250 | END DO |
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251 | |
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252 | ! !IF( ln_nicep ) THEN |
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253 | ! WRITE(numout,*) ' limupdate2 - after h correction 2 ' |
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254 | ! WRITE(numout,*) ' a_i : ', a_i(12, 44, 1:jpl) |
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255 | ! WRITE(numout,*) ' at_i : ', at_i(12,44) |
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256 | ! WRITE(numout,*) ' v_i : ', v_i(12, 44, 1:jpl) |
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257 | ! WRITE(numout,*) ' ht_i : ', ht_i(12, 44, 1:jpl) |
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258 | ! !ENDIF |
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259 | |
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260 | !---------------------------------------------------- |
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261 | ! 2.2) Rebin categories with thickness out of bounds |
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262 | !---------------------------------------------------- |
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263 | DO jm = 1, jpm |
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264 | jbnd1 = ice_cat_bounds(jm,1) |
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265 | jbnd2 = ice_cat_bounds(jm,2) |
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266 | IF (ice_ncat_types(jm) .GT. 1 ) CALL lim_itd_th_reb(jbnd1, jbnd2, jm) |
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267 | END DO |
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268 | |
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269 | !--------------------------------- |
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270 | ! 2.3) Melt of an internal layer |
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271 | !--------------------------------- |
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272 | internal_melt(:,:,:) = 0 |
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273 | |
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274 | DO jl = 1, jpl |
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275 | DO jk = 1, nlay_i |
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276 | DO jj = 1, jpj |
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277 | DO ji = 1, jpi |
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278 | ztmelts = - tmut * s_i(ji,jj,jk,jl) + rtt |
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279 | IF ( ( ( e_i(ji,jj,jk,jl) .LE. 0.0 ) .OR. ( t_i(ji,jj,jk,jl) .GE. ztmelts ) ) & |
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280 | & .AND. ( v_i(ji,jj,jl) .GT. 0.0 ) .AND. ( a_i(ji,jj,jl) .GT. 0.0 ) ) THEN |
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281 | internal_melt(ji,jj,jl) = 1 |
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282 | ENDIF |
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283 | END DO ! ji |
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284 | END DO ! jj |
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285 | END DO !jk |
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286 | END DO !jl |
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287 | |
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288 | DO jl = 1, jpl |
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289 | DO jj = 1, jpj |
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290 | DO ji = 1, jpi |
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291 | IF( internal_melt(ji,jj,jl) == 1 ) THEN |
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292 | ! initial ice thickness |
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293 | !----------------------- |
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294 | ht_i(ji,jj,jl) = v_i(ji,jj,jl) / a_i(ji,jj,jl) |
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295 | |
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296 | ! reduce ice thickness |
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297 | !----------------------- |
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298 | ind_im = 0 |
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299 | zesum = 0.0 |
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300 | DO jk = 1, nlay_i |
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301 | ztmelts = - tmut * s_i(ji,jj,jk,jl) + rtt |
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302 | 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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303 | zesum = zesum + e_i(ji,jj,jk,jl) |
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304 | END DO |
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305 | IF (ind_im .LT. nlay_i ) THEN |
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306 | smv_i(ji,jj,jl) = smv_i(ji,jj,jl) / 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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307 | ENDIF |
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308 | 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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309 | v_i(ji,jj,jl) = ht_i(ji,jj,jl) * a_i(ji,jj,jl) |
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310 | |
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311 | !CLEM |
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312 | zdvres = REAL(ind_im)*ht_i(ji,jj,jl) / REAL(nlay_i) * a_i(ji,jj,jl) |
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313 | !rdmicif(ji,jj) = rdmicif(ji,jj) - zdvres * rhoic |
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314 | !fsalt_res(ji,jj) = fsalt_res(ji,jj) + sm_i(ji,jj,jl) * ( rhoic * zdvres / rdt_ice ) |
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315 | |
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316 | ! redistribute heat |
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317 | !----------------------- |
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318 | ! old thicknesses and enthalpies |
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319 | ind_im = 0 |
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320 | DO jk = 1, nlay_i |
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321 | ztmelts = - tmut * s_i(ji,jj,jk,jl) + rtt |
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322 | IF ( ( e_i(ji,jj,jk,jl) .GT. 0.0 ) .AND. & |
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323 | ( t_i(ji,jj,jk,jl) .LT. ztmelts ) ) THEN |
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324 | ind_im = ind_im + 1 |
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325 | zthick0(ind_im) = ht_i(ji,jj,jl) * REAL(ind_im / nlay_i) |
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326 | zqm0 (ind_im) = MAX( e_i(ji,jj,jk,jl) , 0.0 ) |
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327 | ENDIF |
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328 | END DO |
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329 | |
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330 | ! Redistributing energy on the new grid |
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331 | IF ( ind_im .GT. 0 ) THEN |
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332 | |
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333 | DO jk = 1, nlay_i |
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334 | e_i(ji,jj,jk,jl) = 0.0 |
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335 | DO layer = 1, ind_im |
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336 | zweight = MAX ( & |
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337 | MIN( ht_i(ji,jj,jl) * REAL(layer/ind_im) , ht_i(ji,jj,jl) * REAL(jk / nlay_i) ) - & |
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338 | 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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339 | / ( ht_i(ji,jj,jl) / REAL(ind_im) ) |
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340 | |
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341 | e_i(ji,jj,jk,jl) = e_i(ji,jj,jk,jl) + zweight*zqm0(layer) |
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342 | END DO !layer |
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343 | END DO ! jk |
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344 | |
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345 | zesum = 0.0 |
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346 | DO jk = 1, nlay_i |
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347 | zesum = zesum + e_i(ji,jj,jk,jl) |
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348 | END DO |
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349 | |
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350 | ELSE ! ind_im .EQ. 0, total melt |
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351 | e_i(ji,jj,jk,jl) = 0.0 |
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352 | ENDIF |
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353 | |
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354 | ENDIF ! internal_melt |
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355 | |
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356 | END DO ! ji |
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357 | END DO !jj |
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358 | END DO !jl |
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359 | |
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360 | internal_melt(:,:,:) = 0 |
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361 | |
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362 | |
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363 | ! Melt of snow |
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364 | !-------------- |
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365 | DO jl = 1, jpl |
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366 | DO jj = 1, jpj |
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367 | DO ji = 1, jpi |
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368 | ! snow energy of melting |
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369 | ze_s = e_s(ji,jj,1,jl) * unit_fac / area(ji,jj) / MAX( v_s(ji,jj,jl), 1.0e-6 ) ! snow energy of melting |
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370 | |
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371 | ! If snow energy of melting smaller then Lf |
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372 | ! Then all snow melts and meltwater, heat go to the ocean |
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373 | IF ( ze_s .LE. rhosn * lfus ) internal_melt(ji,jj,jl) = 1 |
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374 | |
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375 | END DO |
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376 | END DO |
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377 | END DO |
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378 | |
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379 | DO jl = 1, jpl |
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380 | DO jj = 1, jpj |
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381 | DO ji = 1, jpi |
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382 | IF ( internal_melt(ji,jj,jl) == 1 ) THEN |
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383 | zdvres = v_s(ji,jj,jl) |
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384 | ! release heat |
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385 | fheat_res(ji,jj) = fheat_res(ji,jj) + ze_s * zdvres / rdt_ice |
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386 | ! release mass |
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387 | !rdmsnif(ji,jj) = rdmsnif(ji,jj) - zdvres * rhosn |
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388 | ! |
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389 | v_s(ji,jj,jl) = 0.0 |
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390 | e_s(ji,jj,1,jl) = 0.0 |
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391 | ENDIF |
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392 | END DO |
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393 | END DO |
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394 | END DO |
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395 | |
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396 | zbigvalue = 1.0e+20 |
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397 | DO jl = 1, jpl |
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398 | DO jj = 1, jpj |
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399 | DO ji = 1, jpi |
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400 | |
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401 | !switches |
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402 | zindb = MAX( rzero, SIGN( rone, a_i(ji,jj,jl) - epsi06 ) ) |
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403 | !switch = 1 if a_i > 1e-06 and 0 if not |
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404 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - epsi06 ) ) !=1 if hs > 1e-6 and 0 if not |
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405 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - epsi04 ) ) !=1 if hi > 1e-3 and 0 if not |
---|
406 | ! bug fix 25 avril 2007 |
---|
407 | zindb = zindb*zindic |
---|
408 | |
---|
409 | !--- 2.3 Correction to ice age |
---|
410 | !------------------------------ |
---|
411 | ! IF ((o_i(ji,jj,jl)-1.0)*86400.0.gt.(rdt_ice*float(numit))) THEN |
---|
412 | ! o_i(ji,jj,jl) = rdt_ice*FLOAT(numit)/86400.0 |
---|
413 | ! ENDIF |
---|
414 | IF ((oa_i(ji,jj,jl)-1.0)*86400.0.gt.(rdt_ice*numit*a_i(ji,jj,jl))) THEN |
---|
415 | oa_i(ji,jj,jl) = rdt_ice*numit/86400.0*a_i(ji,jj,jl) |
---|
416 | ENDIF |
---|
417 | oa_i(ji,jj,jl) = zindb*zindic*oa_i(ji,jj,jl) |
---|
418 | |
---|
419 | !--- 2.4 Correction to snow thickness |
---|
420 | !------------------------------------- |
---|
421 | zdvres = (zindsn * zindb - 1._wp) * v_s(ji,jj,jl) |
---|
422 | v_s(ji,jj,jl) = v_s(ji,jj,jl) + zdvres |
---|
423 | |
---|
424 | !rdmsnif(ji,jj) = rdmsnif(ji,jj) + zdvres * rhosn |
---|
425 | |
---|
426 | !--- 2.5 Correction to ice thickness |
---|
427 | !------------------------------------- |
---|
428 | zdvres = (zindb - 1._wp) * v_i(ji,jj,jl) |
---|
429 | v_i(ji,jj,jl) = v_i(ji,jj,jl) + zdvres |
---|
430 | |
---|
431 | !rdmicif(ji,jj) = rdmicif(ji,jj) + zdvres * rhoic |
---|
432 | !fsalt_res(ji,jj) = fsalt_res(ji,jj) - sm_i(ji,jj,jl) * ( rhoic * zdvres / rdt_ice ) |
---|
433 | |
---|
434 | !--- 2.6 Snow is transformed into ice if the original ice cover disappears |
---|
435 | !---------------------------------------------------------------------------- |
---|
436 | zindg = tms(ji,jj) * MAX( 0._wp, SIGN( 1._wp, -v_i(ji,jj,jl) ) ) |
---|
437 | zdvres = zindg * rhosn * v_s(ji,jj,jl) / rau0 |
---|
438 | v_i(ji,jj,jl) = v_i(ji,jj,jl) + zdvres |
---|
439 | |
---|
440 | zdvres = zindsn*zindb * ( - zindg * v_s(ji,jj,jl) + zindg * v_i(ji,jj,jl) * ( rau0 - rhoic ) / rhosn ) |
---|
441 | v_s(ji,jj,jl) = v_s(ji,jj,jl) + zdvres |
---|
442 | |
---|
443 | !--- 2.7 Correction to ice concentrations |
---|
444 | !-------------------------------------------- |
---|
445 | !clem a_i(ji,jj,jl) = zindb * MAX(zindsn, zindic) * MAX( a_i(ji,jj,jl), epsi06 ) |
---|
446 | a_i(ji,jj,jl) = zindb * a_i(ji,jj,jl) |
---|
447 | |
---|
448 | !------------------------- |
---|
449 | ! 2.8) Snow heat content |
---|
450 | !------------------------- |
---|
451 | e_s(ji,jj,1,jl) = zindsn * ( MIN ( MAX ( 0.0, e_s(ji,jj,1,jl) ), zbigvalue ) ) |
---|
452 | |
---|
453 | END DO ! ji |
---|
454 | END DO ! jj |
---|
455 | END DO ! jl |
---|
456 | |
---|
457 | !------------------------ |
---|
458 | ! 2.9) Ice heat content |
---|
459 | !------------------------ |
---|
460 | |
---|
461 | DO jl = 1, jpl |
---|
462 | DO jk = 1, nlay_i |
---|
463 | DO jj = 1, jpj |
---|
464 | DO ji = 1, jpi |
---|
465 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - epsi04 ) ) |
---|
466 | e_i(ji,jj,jk,jl)= zindic * ( MIN ( MAX ( 0.0, e_i(ji,jj,jk,jl) ), zbigvalue ) ) |
---|
467 | END DO ! ji |
---|
468 | END DO ! jj |
---|
469 | END DO !jk |
---|
470 | END DO !jl |
---|
471 | |
---|
472 | |
---|
473 | DO jm = 1, jpm |
---|
474 | DO jj = 1, jpj |
---|
475 | DO ji = 1, jpi |
---|
476 | jl = ice_cat_bounds(jm,1) |
---|
477 | !--- 2.12 Constrain the thickness of the smallest category above 5 cm |
---|
478 | !---------------------------------------------------------------------- |
---|
479 | zindb = MAX( rzero, SIGN( rone, a_i(ji,jj,jl) - epsi06 ) ) |
---|
480 | ht_i(ji,jj,jl) = zindb*v_i(ji,jj,jl)/MAX(a_i(ji,jj,jl), epsi06) |
---|
481 | zh = MAX( rone , zindb * hiclim / MAX( ht_i(ji,jj,jl) , epsi20 ) ) |
---|
482 | ht_s(ji,jj,jl) = ht_s(ji,jj,jl)* zh |
---|
483 | ht_i(ji,jj,jl) = ht_i(ji,jj,jl)* zh |
---|
484 | a_i (ji,jj,jl) = a_i(ji,jj,jl) / zh |
---|
485 | !CLEM |
---|
486 | v_i (ji,jj,jl) = a_i(ji,jj,jl) * ht_i(ji,jj,jl) |
---|
487 | v_s (ji,jj,jl) = a_i(ji,jj,jl) * ht_s(ji,jj,jl) |
---|
488 | END DO !ji |
---|
489 | END DO !jj |
---|
490 | END DO !jm |
---|
491 | |
---|
492 | at_i(:,:) = 0.0 |
---|
493 | DO jl = 1, jpl |
---|
494 | at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
---|
495 | END DO |
---|
496 | |
---|
497 | !--- 2.13 ice concentration should not exceed amax |
---|
498 | ! (it should not be the case) |
---|
499 | !----------------------------------------------------- |
---|
500 | DO jj = 1, jpj |
---|
501 | DO ji = 1, jpi |
---|
502 | z_da_ex = MAX( at_i(ji,jj) - amax , 0.0 ) |
---|
503 | zindb = MAX( rzero, SIGN( rone, at_i(ji,jj) - epsi06 ) ) |
---|
504 | DO jl = 1, jpl |
---|
505 | z_da_i = a_i(ji,jj,jl) * z_da_ex / MAX( at_i(ji,jj), epsi06 ) * zindb |
---|
506 | a_i(ji,jj,jl) = MAX( 0._wp, a_i(ji,jj,jl) - z_da_i ) |
---|
507 | ! |
---|
508 | zinda = MAX( rzero, SIGN( rone, a_i(ji,jj,jl) - epsi06 ) ) |
---|
509 | ht_i(ji,jj,jl) = v_i(ji,jj,jl) / MAX( a_i(ji,jj,jl), epsi06 ) * zinda |
---|
510 | !v_i(ji,jj,jl) = ht_i(ji,jj,jl) * a_i(ji,jj,jl) ! makes ice shrinken but should not be used |
---|
511 | END DO |
---|
512 | END DO |
---|
513 | END DO |
---|
514 | at_i(:,:) = 0.0 |
---|
515 | DO jl = 1, jpl |
---|
516 | at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
---|
517 | END DO |
---|
518 | |
---|
519 | ! Final thickness distribution rebinning |
---|
520 | ! -------------------------------------- |
---|
521 | DO jm = 1, jpm |
---|
522 | jbnd1 = ice_cat_bounds(jm,1) |
---|
523 | jbnd2 = ice_cat_bounds(jm,2) |
---|
524 | IF (ice_ncat_types(jm) .GT. 1 ) CALL lim_itd_th_reb(jbnd1, jbnd2, jm) |
---|
525 | IF (ice_ncat_types(jm) .EQ. 1 ) THEN |
---|
526 | ENDIF |
---|
527 | END DO |
---|
528 | |
---|
529 | !--------------------- |
---|
530 | ! 2.11) Ice salinity |
---|
531 | !--------------------- |
---|
532 | !clem@bug: smv_i should be updated too: smv_i(:,:,:) = smv_i(:,:,:) + sm_i(:,:,:) * ( v_i(:,:,:) - zviold(:,:,:) ) |
---|
533 | IF ( ( num_sal .EQ. 2 ) .OR. ( num_sal .EQ. 4 ) ) THEN ! general case |
---|
534 | DO jl = 1, jpl |
---|
535 | !DO jk = 1, nlay_i |
---|
536 | DO jj = 1, jpj |
---|
537 | DO ji = 1, jpi |
---|
538 | ! salinity stays in bounds |
---|
539 | 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) ) |
---|
540 | i_ice_switch = 1.0-MAX(0.0,SIGN(1.0,-v_i(ji,jj,jl) + epsi20)) |
---|
541 | smv_i(ji,jj,jl) = i_ice_switch*smv_i(ji,jj,jl) + 0.1*(1.0-i_ice_switch)*v_i(ji,jj,jl) |
---|
542 | END DO ! ji |
---|
543 | END DO ! jj |
---|
544 | !END DO !jk |
---|
545 | END DO !jl |
---|
546 | ENDIF |
---|
547 | |
---|
548 | ! ------------------- |
---|
549 | at_i(:,:) = a_i(:,:,1) |
---|
550 | DO jl = 2, jpl |
---|
551 | at_i(:,:) = a_i(:,:,jl) + at_i(:,:) |
---|
552 | END DO |
---|
553 | |
---|
554 | !------------------------------------------------------------------------------ |
---|
555 | ! 2) Corrections to avoid wrong values | |
---|
556 | !------------------------------------------------------------------------------ |
---|
557 | ! Ice drift |
---|
558 | !------------ |
---|
559 | DO jj = 2, jpjm1 |
---|
560 | DO ji = fs_2, fs_jpim1 |
---|
561 | IF ( at_i(ji,jj) .EQ. 0.0 ) THEN ! what to do if there is no ice |
---|
562 | IF ( at_i(ji+1,jj) .EQ. 0.0 ) u_ice(ji,jj) = 0.0 ! right side |
---|
563 | IF ( at_i(ji-1,jj) .EQ. 0.0 ) u_ice(ji-1,jj) = 0.0 ! left side |
---|
564 | IF ( at_i(ji,jj+1) .EQ. 0.0 ) v_ice(ji,jj) = 0.0 ! upper side |
---|
565 | IF ( at_i(ji,jj-1) .EQ. 0.0 ) v_ice(ji,jj-1) = 0.0 ! bottom side |
---|
566 | ENDIF |
---|
567 | END DO |
---|
568 | END DO |
---|
569 | !mask velocities |
---|
570 | u_ice(:,:) = u_ice(:,:) * tmu(:,:) |
---|
571 | v_ice(:,:) = v_ice(:,:) * tmv(:,:) |
---|
572 | !lateral boundary conditions |
---|
573 | CALL lbc_lnk( u_ice(:,:), 'U', -1. ) |
---|
574 | CALL lbc_lnk( v_ice(:,:), 'V', -1. ) |
---|
575 | |
---|
576 | !-------------------------------- |
---|
577 | ! Update mass/salt fluxes (clem) |
---|
578 | !-------------------------------- |
---|
579 | DO jl = 1, jpl |
---|
580 | DO jj = 1, jpj |
---|
581 | DO ji = 1, jpi |
---|
582 | diag_res_pr(ji,jj) = diag_res_pr(ji,jj) + ( v_i(ji,jj,jl) - zviold(ji,jj,jl) ) / rdt_ice |
---|
583 | rdmicif(ji,jj) = rdmicif(ji,jj) + ( v_i(ji,jj,jl) - zviold(ji,jj,jl) ) * rhoic |
---|
584 | rdmsnif(ji,jj) = rdmsnif(ji,jj) + ( v_s(ji,jj,jl) - zvsold(ji,jj,jl) ) * rhosn |
---|
585 | fsalt_res(ji,jj) = fsalt_res(ji,jj) - ( smv_i(ji,jj,jl) - zsmvold(ji,jj,jl) ) * rhoic / rdt_ice |
---|
586 | END DO |
---|
587 | END DO |
---|
588 | END DO |
---|
589 | |
---|
590 | ! ------------------------------- |
---|
591 | !- check conservation (C Rousset) |
---|
592 | IF (ln_limdiahsb) THEN |
---|
593 | zchk_fs = glob_sum( ( fsbri(:,:) + fseqv(:,:) + fsalt_res(:,:) + fsalt_rpo(:,:) ) * area(:,:) * tms(:,:) ) - zchk_fs_b |
---|
594 | zchk_fw = glob_sum( rdmicif(:,:) * area(:,:) * tms(:,:) ) - zchk_fw_b |
---|
595 | |
---|
596 | zchk_v_i = ( glob_sum( SUM( v_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) - zchk_v_i_b - ( zchk_fw / rhoic ) ) / rdt_ice |
---|
597 | zchk_smv = ( glob_sum( SUM( smv_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) - zchk_smv_b ) / rdt_ice + ( zchk_fs / rhoic ) |
---|
598 | |
---|
599 | zchk_vmin = glob_min(v_i) |
---|
600 | zchk_amax = glob_max(SUM(a_i,dim=3)) |
---|
601 | zchk_amin = glob_min(a_i) |
---|
602 | |
---|
603 | IF(lwp) THEN |
---|
604 | IF ( ABS( zchk_v_i ) > 1.e-5 ) WRITE(numout,*) 'violation volume [m3/day] (limupdate2) = ',(zchk_v_i * 86400.) |
---|
605 | IF ( ABS( zchk_smv ) > 1.e-4 ) WRITE(numout,*) 'violation saline [psu*m3/day] (limupdate2) = ',(zchk_smv * 86400.) |
---|
606 | IF ( zchk_vmin < 0. ) WRITE(numout,*) 'violation v_i<0 [mm] (limupdate2) = ',(zchk_vmin * 1.e-3) |
---|
607 | IF ( zchk_amax > amax+epsi10 ) WRITE(numout,*) 'violation a_i>amax (limupdate2) = ',zchk_amax |
---|
608 | IF ( zchk_amin < 0. ) WRITE(numout,*) 'violation a_i<0 (limupdate2) = ',zchk_amin |
---|
609 | ENDIF |
---|
610 | ENDIF |
---|
611 | !- check conservation (C Rousset) |
---|
612 | ! ------------------------------- |
---|
613 | |
---|
614 | IF(ln_ctl) THEN ! Control print |
---|
615 | CALL prt_ctl_info(' ') |
---|
616 | CALL prt_ctl_info(' - Cell values : ') |
---|
617 | CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') |
---|
618 | CALL prt_ctl(tab2d_1=area , clinfo1=' lim_update2 : cell area :') |
---|
619 | CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_update2 : at_i :') |
---|
620 | CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_update2 : vt_i :') |
---|
621 | CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_update2 : vt_s :') |
---|
622 | CALL prt_ctl(tab2d_1=strength , clinfo1=' lim_update2 : strength :') |
---|
623 | CALL prt_ctl(tab2d_1=u_ice , clinfo1=' lim_update2 : u_ice :', tab2d_2=v_ice , clinfo2=' v_ice :') |
---|
624 | CALL prt_ctl(tab2d_1=old_u_ice , clinfo1=' lim_update2 : old_u_ice :', tab2d_2=old_v_ice , clinfo2=' old_v_ice :') |
---|
625 | |
---|
626 | DO jl = 1, jpl |
---|
627 | CALL prt_ctl_info(' ') |
---|
628 | CALL prt_ctl_info(' - Category : ', ivar1=jl) |
---|
629 | CALL prt_ctl_info(' ~~~~~~~~~~') |
---|
630 | CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_update2 : ht_i : ') |
---|
631 | CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_update2 : ht_s : ') |
---|
632 | CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_update2 : t_su : ') |
---|
633 | CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_update2 : t_snow : ') |
---|
634 | CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_update2 : sm_i : ') |
---|
635 | CALL prt_ctl(tab2d_1=o_i (:,:,jl) , clinfo1= ' lim_update2 : o_i : ') |
---|
636 | CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_update2 : a_i : ') |
---|
637 | CALL prt_ctl(tab2d_1=old_a_i (:,:,jl) , clinfo1= ' lim_update2 : old_a_i : ') |
---|
638 | CALL prt_ctl(tab2d_1=d_a_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_a_i_thd : ') |
---|
639 | CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_update2 : v_i : ') |
---|
640 | CALL prt_ctl(tab2d_1=old_v_i (:,:,jl) , clinfo1= ' lim_update2 : old_v_i : ') |
---|
641 | CALL prt_ctl(tab2d_1=d_v_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_v_i_thd : ') |
---|
642 | CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_update2 : v_s : ') |
---|
643 | CALL prt_ctl(tab2d_1=old_v_s (:,:,jl) , clinfo1= ' lim_update2 : old_v_s : ') |
---|
644 | CALL prt_ctl(tab2d_1=d_v_s_thd (:,:,jl) , clinfo1= ' lim_update2 : d_v_s_thd : ') |
---|
645 | CALL prt_ctl(tab2d_1=e_i (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : e_i1 : ') |
---|
646 | CALL prt_ctl(tab2d_1=old_e_i (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : old_e_i1 : ') |
---|
647 | CALL prt_ctl(tab2d_1=d_e_i_thd (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : de_i1_thd : ') |
---|
648 | CALL prt_ctl(tab2d_1=e_i (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : e_i2 : ') |
---|
649 | CALL prt_ctl(tab2d_1=old_e_i (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : old_e_i2 : ') |
---|
650 | CALL prt_ctl(tab2d_1=d_e_i_thd (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : de_i2_thd : ') |
---|
651 | CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_update2 : e_snow : ') |
---|
652 | CALL prt_ctl(tab2d_1=old_e_s (:,:,1,jl) , clinfo1= ' lim_update2 : old_e_snow : ') |
---|
653 | CALL prt_ctl(tab2d_1=d_e_s_thd (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : d_e_s_thd : ') |
---|
654 | CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_update2 : smv_i : ') |
---|
655 | CALL prt_ctl(tab2d_1=old_smv_i (:,:,jl) , clinfo1= ' lim_update2 : old_smv_i : ') |
---|
656 | CALL prt_ctl(tab2d_1=d_smv_i_thd(:,:,jl) , clinfo1= ' lim_update2 : d_smv_i_thd : ') |
---|
657 | CALL prt_ctl(tab2d_1=oa_i (:,:,jl) , clinfo1= ' lim_update2 : oa_i : ') |
---|
658 | CALL prt_ctl(tab2d_1=old_oa_i (:,:,jl) , clinfo1= ' lim_update2 : old_oa_i : ') |
---|
659 | CALL prt_ctl(tab2d_1=d_oa_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_oa_i_thd : ') |
---|
660 | CALL prt_ctl(tab2d_1=REAL(patho_case(:,:,jl)) , clinfo1= ' lim_update2 : Path. case : ') |
---|
661 | |
---|
662 | DO jk = 1, nlay_i |
---|
663 | CALL prt_ctl_info(' - Layer : ', ivar1=jk) |
---|
664 | CALL prt_ctl(tab2d_1=t_i(:,:,jk,jl) , clinfo1= ' lim_update2 : t_i : ') |
---|
665 | END DO |
---|
666 | END DO |
---|
667 | |
---|
668 | CALL prt_ctl_info(' ') |
---|
669 | CALL prt_ctl_info(' - Heat / FW fluxes : ') |
---|
670 | CALL prt_ctl_info(' ~~~~~~~~~~~~~~~~~~ ') |
---|
671 | CALL prt_ctl(tab2d_1=fmmec , clinfo1= ' lim_update2 : fmmec : ', tab2d_2=fhmec , clinfo2= ' fhmec : ') |
---|
672 | CALL prt_ctl(tab2d_1=sst_m , clinfo1= ' lim_update2 : sst : ', tab2d_2=sss_m , clinfo2= ' sss : ') |
---|
673 | CALL prt_ctl(tab2d_1=fhbri , clinfo1= ' lim_update2 : fhbri : ', tab2d_2=fheat_rpo , clinfo2= ' fheat_rpo : ') |
---|
674 | |
---|
675 | CALL prt_ctl_info(' ') |
---|
676 | CALL prt_ctl_info(' - Stresses : ') |
---|
677 | CALL prt_ctl_info(' ~~~~~~~~~~ ') |
---|
678 | CALL prt_ctl(tab2d_1=utau , clinfo1= ' lim_update2 : utau : ', tab2d_2=vtau , clinfo2= ' vtau : ') |
---|
679 | CALL prt_ctl(tab2d_1=utau_ice , clinfo1= ' lim_update2 : utau_ice : ', tab2d_2=vtau_ice , clinfo2= ' vtau_ice : ') |
---|
680 | CALL prt_ctl(tab2d_1=u_oce , clinfo1= ' lim_update2 : u_oce : ', tab2d_2=v_oce , clinfo2= ' v_oce : ') |
---|
681 | ENDIF |
---|
682 | |
---|
683 | CALL wrk_dealloc( jpi,jpj,jpl, internal_melt ) ! integer |
---|
684 | CALL wrk_dealloc( jkmax, zthick0, zqm0 ) |
---|
685 | |
---|
686 | CALL wrk_dealloc( jpi,jpj,jpl,zviold, zvsold, zsmvold ) ! clem |
---|
687 | |
---|
688 | END SUBROUTINE lim_update2 |
---|
689 | #else |
---|
690 | !!---------------------------------------------------------------------- |
---|
691 | !! Default option Empty Module No sea-ice model |
---|
692 | !!---------------------------------------------------------------------- |
---|
693 | CONTAINS |
---|
694 | SUBROUTINE lim_update2 ! Empty routine |
---|
695 | END SUBROUTINE lim_update2 |
---|
696 | |
---|
697 | #endif |
---|
698 | |
---|
699 | END MODULE limupdate2 |
---|