1 | MODULE limtrp |
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2 | !!====================================================================== |
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3 | !! *** MODULE limtrp *** |
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4 | !! LIM transport ice model : sea-ice advection/diffusion |
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5 | !!====================================================================== |
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6 | #if defined key_lim3 |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_lim3' LIM3 sea-ice model |
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9 | !!---------------------------------------------------------------------- |
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10 | !! lim_trp : advection/diffusion process of sea ice |
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11 | !! lim_trp_init : initialization and namelist read |
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12 | !!---------------------------------------------------------------------- |
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13 | !! * Modules used |
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14 | USE phycst |
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15 | USE dom_oce |
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16 | USE daymod |
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17 | USE in_out_manager ! I/O manager |
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18 | USE ice_oce ! ice variables |
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19 | USE sbc_oce ! Surface boundary condition: ocean fields |
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20 | USE dom_ice |
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21 | USE ice |
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22 | USE iceini |
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23 | USE limistate |
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24 | USE limadv |
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25 | USE limhdf |
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26 | USE lbclnk |
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27 | USE lib_mpp |
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28 | USE par_ice |
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29 | USE prtctl ! Print control |
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30 | |
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31 | IMPLICIT NONE |
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32 | PRIVATE |
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33 | |
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34 | !! * Routine accessibility |
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35 | PUBLIC lim_trp ! called by ice_step |
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36 | |
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37 | !! * Shared module variables |
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38 | REAL(wp), PUBLIC :: & !: |
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39 | bound = 0.e0 !: boundary condit. (0.0 no-slip, 1.0 free-slip) |
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40 | |
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41 | !! * Module variables |
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42 | REAL(wp) :: & ! constant values |
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43 | epsi06 = 1.e-06 , & |
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44 | epsi03 = 1.e-03 , & |
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45 | epsi16 = 1.e-16 , & |
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46 | rzero = 0.e0 , & |
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47 | rone = 1.e0 , & |
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48 | zeps10 = 1.e-10 |
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49 | |
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50 | !! * Substitution |
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51 | # include "vectopt_loop_substitute.h90" |
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52 | !!---------------------------------------------------------------------- |
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53 | !! LIM 3.0, UCL-ASTR-LOCEAN-IPSL (2008) |
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54 | !! $Id$ |
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55 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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56 | !!---------------------------------------------------------------------- |
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57 | |
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58 | CONTAINS |
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59 | |
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60 | SUBROUTINE lim_trp( kt ) |
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61 | !!------------------------------------------------------------------- |
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62 | !! *** ROUTINE lim_trp *** |
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63 | !! |
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64 | !! ** purpose : advection/diffusion process of sea ice |
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65 | !! |
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66 | !! ** method : variables included in the process are scalar, |
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67 | !! other values are considered as second order. |
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68 | !! For advection, a second order Prather scheme is used. |
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69 | !! |
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70 | !! ** action : |
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71 | !! |
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72 | !! History : |
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73 | !! 1.0 ! 00-01 (M.A. Morales Maqueda, H. Goosse, and T. Fichefet) Original code |
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74 | !! ! 01-05 (G. Madec, R. Hordoir) opa norm |
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75 | !! 2.0 ! 04-01 (G. Madec, C. Ethe) F90, mpp |
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76 | !! 3.0 ! 05-11 (M. Vancoppenolle) Multi-layer sea ice, salinity variations |
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77 | !!--------------------------------------------------------------------- |
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78 | INTEGER, INTENT(in) :: kt ! number of iteration |
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79 | !! * Local Variables |
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80 | INTEGER :: ji, jj, jk, jl, layer, & ! dummy loop indices |
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81 | initad ! number of sub-timestep for the advection |
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82 | INTEGER :: ji_maxu, ji_maxv, jj_maxu, jj_maxv |
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83 | |
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84 | REAL(wp) :: & |
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85 | zindb , & |
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86 | zindsn , & |
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87 | zindic , & |
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88 | zusvosn, & |
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89 | zusvoic, & |
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90 | zvbord , & |
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91 | zcfl , & |
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92 | zusnit , & |
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93 | zrtt, zsal, zage, & |
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94 | zbigval, ze, & |
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95 | zmaxu, zmaxv |
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96 | |
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97 | REAL(wp), DIMENSION(jpi,jpj) :: & ! temporary workspace |
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98 | zui_u , zvi_v , zsm , & |
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99 | zs0at, zs0ow |
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100 | |
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101 | REAL(wp), DIMENSION(jpi,jpj,jpl):: & ! temporary workspace |
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102 | zs0ice, zs0sn, zs0a , & |
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103 | zs0c0 , & |
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104 | zs0sm , zs0oi |
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105 | |
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106 | ! MHE Multilayer heat content |
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107 | REAL(wp), DIMENSION(jpi,jpj,jkmax,jpl) :: & ! temporary workspace |
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108 | zs0e |
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109 | |
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110 | !--------------------------------------------------------------------- |
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111 | |
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112 | IF( numit == nstart ) CALL lim_trp_init ! Initialization (first time-step only) |
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113 | |
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114 | zsm(:,:) = area(:,:) |
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115 | |
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116 | IF( ln_limdyn ) THEN |
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117 | IF( kt == nit000 .AND. lwp ) THEN |
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118 | WRITE(numout,*) ' lim_trp : Ice Advection' |
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119 | WRITE(numout,*) ' ~~~~~~~' |
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120 | ENDIF |
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121 | |
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122 | !-----------------------------------------------------------------------------! |
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123 | ! 1) CFL Test |
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124 | !-----------------------------------------------------------------------------! |
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125 | |
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126 | !------------------------------------------ |
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127 | ! ice velocities at ocean U- and V-points |
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128 | !------------------------------------------ |
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129 | |
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130 | ! zvbord factor between 1 and 2 to take into account slip or no-slip boundary conditions. |
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131 | zvbord = 1.0 + ( 1.0 - bound ) |
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132 | DO jj = 1, jpjm1 |
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133 | DO ji = 1, fs_jpim1 |
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134 | zui_u(ji,jj) = u_ice(ji,jj) |
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135 | zvi_v(ji,jj) = v_ice(ji,jj) |
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136 | END DO |
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137 | END DO |
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138 | |
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139 | ! Lateral boundary conditions |
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140 | CALL lbc_lnk( zui_u, 'U', -1. ) |
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141 | CALL lbc_lnk( zvi_v, 'V', -1. ) |
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142 | |
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143 | !------------------------- |
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144 | ! CFL test for stability |
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145 | !------------------------- |
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146 | |
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147 | zcfl = 0.e0 |
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148 | zcfl = MAX( zcfl, MAXVAL( ABS( zui_u(1:jpim1, : ) ) * rdt_ice / e1u(1:jpim1, : ) ) ) |
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149 | zcfl = MAX( zcfl, MAXVAL( ABS( zvi_v( : ,1:jpjm1) ) * rdt_ice / e2v( : ,1:jpjm1) ) ) |
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150 | |
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151 | zmaxu = 0.0 |
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152 | zmaxv = 0.0 |
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153 | DO ji = 1, jpim1 |
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154 | DO jj = 1, jpjm1 |
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155 | IF ( (ABS(zui_u(ji,jj)) .GT. zmaxu) ) THEN |
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156 | zmaxu = MAX(zui_u(ji,jj), zmaxu ) |
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157 | ji_maxu = ji |
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158 | jj_maxu = jj |
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159 | ENDIF |
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160 | IF ( (ABS(zvi_v(ji,jj)) .GT. zmaxv) ) THEN |
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161 | zmaxv = MAX(zvi_v(ji,jj), zmaxv ) |
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162 | ji_maxv = ji |
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163 | jj_maxv = jj |
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164 | ENDIF |
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165 | END DO |
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166 | END DO |
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167 | |
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168 | IF (lk_mpp ) CALL mpp_max(zcfl) |
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169 | |
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170 | IF ( zcfl > 0.5 .AND. lwp ) & |
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171 | WRITE(numout,*) 'lim_trp : violation of cfl criterion the ',nday,'th day, cfl = ',zcfl |
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172 | |
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173 | !-----------------------------------------------------------------------------! |
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174 | ! 2) Computation of transported fields |
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175 | !-----------------------------------------------------------------------------! |
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176 | |
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177 | !------------------------------------------------------ |
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178 | ! 1.1) Snow vol, ice vol, salt and age contents, area |
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179 | !------------------------------------------------------ |
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180 | |
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181 | zs0ow (:,:) = ato_i(:,:) * area(:,:) ! Open water area |
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182 | DO jl = 1, jpl !sum over thickness categories |
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183 | ! area -> is the unmasked and masked area of T-grid cell |
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184 | zs0sn (:,:,jl) = v_s(:,:,jl) * area(:,:) ! Snow volume. |
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185 | zs0ice(:,:,jl) = v_i(:,:,jl) * area(:,:) ! Ice volume. |
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186 | zs0a (:,:,jl) = a_i(:,:,jl) * area(:,:) ! Ice area |
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187 | zs0sm (:,:,jl) = smv_i(:,:,jl) * area(:,:) ! Salt content |
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188 | zs0oi (:,:,jl) = oa_i (:,:,jl) * area(:,:) ! Age content |
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189 | |
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190 | !---------------------------------- |
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191 | ! 1.2) Ice and snow heat contents |
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192 | !---------------------------------- |
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193 | |
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194 | zs0c0 (:,:,jl) = e_s(:,:,1,jl) ! Snow heat cont. |
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195 | DO jk = 1, nlay_i |
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196 | zs0e(:,:,jk,jl) = e_i(:,:,jk,jl) ! Ice heat content |
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197 | END DO |
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198 | END DO |
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199 | |
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200 | !-----------------------------------------------------------------------------! |
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201 | ! 3) Advection of Ice fields |
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202 | !-----------------------------------------------------------------------------! |
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203 | |
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204 | ! If ice drift field is too fast, use an appropriate time step for advection. |
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205 | initad = 1 + INT( MAX( rzero, SIGN( rone, zcfl-0.5 ) ) ) |
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206 | zusnit = 1.0 / REAL( initad ) |
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207 | |
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208 | IF ( MOD( nday , 2 ) == 0) THEN |
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209 | DO jk = 1,initad |
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210 | !--- ice open water area |
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211 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0ow(:,:) , sxopw(:,:) , & |
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212 | sxxopw(:,:), syopw(:,:) , & |
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213 | syyopw(:,:), sxopw(:,:) ) |
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214 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0ow(:,:) , sxopw (:,:) , & |
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215 | sxxopw(:,:), syopw (:,:) , & |
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216 | syyopw(:,:), sxyopw(:,:) ) |
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217 | DO jl = 1, jpl |
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218 | !--- ice volume --- |
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219 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0ice(:,:,jl) , sxice (:,:,jl) , & |
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220 | sxxice(:,:,jl) , syice (:,:,jl) , & |
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221 | syyice(:,:,jl) , sxyice(:,:,jl) ) |
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222 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0ice(:,:,jl) , sxice (:,:,jl) , & |
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223 | sxxice(:,:,jl) , syice (:,:,jl) , & |
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224 | syyice(:,:,jl) , sxyice(:,:,jl) ) |
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225 | !--- snow volume --- |
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226 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0sn (:,:,jl) , sxsn (:,:,jl) , & |
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227 | sxxsn (:,:,jl) , sysn (:,:,jl) , & |
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228 | syysn (:,:,jl) , sxysn (:,:,jl) ) |
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229 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0sn (:,:,jl) , sxsn (:,:,jl) , & |
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230 | sxxsn (:,:,jl) , sysn (:,:,jl) , & |
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231 | syysn (:,:,jl) , sxysn (:,:,jl) ) |
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232 | !--- ice salinity --- |
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233 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0sm (:,:,jl) , sxsal (:,:,jl) , & |
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234 | sxxsal(:,:,jl) , sysal (:,:,jl) , & |
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235 | syysal(:,:,jl) , sxysal(:,:,jl) ) |
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236 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0sm (:,:,jl) , sxsal (:,:,jl) , & |
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237 | sxxsal(:,:,jl) , sysal (:,:,jl) , & |
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238 | syysal(:,:,jl) , sxysal(:,:,jl) ) |
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239 | !--- ice age --- |
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240 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0oi (:,:,jl) , sxage (:,:,jl) , & |
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241 | sxxage(:,:,jl) , syage (:,:,jl) , & |
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242 | syyage(:,:,jl) , sxyage(:,:,jl) ) |
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243 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0oi (:,:,jl) , sxage (:,:,jl) , & |
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244 | sxxage(:,:,jl) , syage (:,:,jl) , & |
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245 | syyage(:,:,jl) , sxyage(:,:,jl) ) |
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246 | !--- ice concentrations --- |
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247 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0a (:,:,jl) , sxa (:,:,jl) , & |
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248 | sxxa (:,:,jl) , sya (:,:,jl) , & |
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249 | syya (:,:,jl) , sxya (:,:,jl) ) |
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250 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0a (:,:,jl) , sxa (:,:,jl) , & |
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251 | sxxa (:,:,jl) , sya (:,:,jl) , & |
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252 | syya (:,:,jl) , sxya (:,:,jl) ) |
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253 | !--- ice / snow thermal energetic contents --- |
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254 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0c0 (:,:,jl) , sxc0 (:,:,jl) , & |
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255 | sxxc0 (:,:,jl) , syc0 (:,:,jl) , & |
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256 | syyc0 (:,:,jl) , sxyc0 (:,:,jl) ) |
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257 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0c0 (:,:,jl) , sxc0 (:,:,jl) , & |
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258 | sxxc0 (:,:,jl) , syc0 (:,:,jl) , & |
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259 | syyc0 (:,:,jl) , sxyc0 (:,:,jl) ) |
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260 | DO layer = 1, nlay_i |
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261 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, & |
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262 | zs0e(:,:,layer,jl) , sxe (:,:,layer,jl) , & |
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263 | sxxe(:,:,layer,jl) , sye (:,:,layer,jl) , & |
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264 | syye(:,:,layer,jl) , sxye(:,:,layer,jl) ) |
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265 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, & |
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266 | zs0e(:,:,layer,jl) , sxe (:,:,layer,jl) , & |
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267 | sxxe(:,:,layer,jl) , sye (:,:,layer,jl) , & |
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268 | syye(:,:,layer,jl) , sxye(:,:,layer,jl) ) |
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269 | END DO |
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270 | END DO |
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271 | END DO |
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272 | ELSE |
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273 | DO jk = 1, initad |
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274 | !--- ice volume --- |
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275 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0ow (:,:) , sxopw (:,:) , & |
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276 | sxxopw(:,:) , syopw (:,:) , & |
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277 | syyopw(:,:) , sxyopw(:,:) ) |
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278 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0ow (:,:) , sxopw (:,:) , & |
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279 | sxxopw(:,:) , syopw (:,:) , & |
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280 | syyopw(:,:) , sxyopw(:,:) ) |
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281 | DO jl = 1, jpl |
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282 | !--- ice volume --- |
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283 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0ice(:,:,jl) , sxice (:,:,jl) , & |
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284 | sxxice(:,:,jl) , syice (:,:,jl) , & |
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285 | syyice(:,:,jl) , sxyice(:,:,jl) ) |
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286 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0ice(:,:,jl) , sxice (:,:,jl) , & |
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287 | sxxice(:,:,jl) , syice (:,:,jl) , & |
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288 | syyice(:,:,jl) , sxyice(:,:,jl) ) |
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289 | !--- snow volume --- |
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290 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0sn (:,:,jl) , sxsn (:,:,jl) , & |
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291 | sxxsn (:,:,jl) , sysn (:,:,jl) , & |
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292 | syysn (:,:,jl) , sxysn (:,:,jl) ) |
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293 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0sn (:,:,jl) , sxsn (:,:,jl) , & |
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294 | sxxsn (:,:,jl) , sysn (:,:,jl) , & |
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295 | syysn (:,:,jl) , sxysn (:,:,jl) ) |
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296 | !--- ice salinity --- |
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297 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0sm (:,:,jl) , sxsal (:,:,jl) , & |
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298 | sxxsal(:,:,jl) , sysal (:,:,jl) , & |
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299 | syysal(:,:,jl) , sxysal(:,:,jl) ) |
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300 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0sm (:,:,jl) , sxsal (:,:,jl) , & |
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301 | sxxsal(:,:,jl) , sysal (:,:,jl) , & |
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302 | syysal(:,:,jl) , sxysal(:,:,jl) ) |
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303 | !--- ice age --- |
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304 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0oi (:,:,jl) , sxage (:,:,jl) , & |
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305 | sxxage(:,:,jl) , syage (:,:,jl) , & |
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306 | syyage(:,:,jl) , sxyage(:,:,jl) ) |
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307 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0oi (:,:,jl) , sxage (:,:,jl) , & |
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308 | sxxage(:,:,jl) , syage (:,:,jl) , & |
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309 | syyage(:,:,jl) , sxyage(:,:,jl) ) |
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310 | !--- ice concentration --- |
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311 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0a (:,:,jl) , sxa (:,:,jl) , & |
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312 | sxxa (:,:,jl) , sya (:,:,jl) , & |
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313 | syya (:,:,jl) , sxya (:,:,jl) ) |
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314 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0a (:,:,jl) , sxa (:,:,jl) , & |
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315 | sxxa (:,:,jl) , sya (:,:,jl) , & |
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316 | syya (:,:,jl) , sxya (:,:,jl) ) |
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317 | !--- ice / snow thermal energetic contents --- |
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318 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0c0 (:,:,jl) , sxc0 (:,:,jl) , & |
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319 | sxxc0 (:,:,jl) , syc0 (:,:,jl) , & |
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320 | syyc0 (:,:,jl) , sxyc0 (:,:,jl) ) |
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321 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0c0 (:,:,jl) , sxc0 (:,:,jl) , & |
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322 | sxxc0 (:,:,jl) , syc0 (:,:,jl) , & |
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323 | syyc0 (:,:,jl) , sxyc0 (:,:,jl) ) |
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324 | DO layer = 1, nlay_i |
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325 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0e(:,:,layer,jl) , & |
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326 | sxe (:,:,layer,jl) , sxxe (:,:,layer,jl) , sye (:,:,layer,jl) , & |
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327 | syye (:,:,layer,jl), sxye (:,:,layer,jl) ) |
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328 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0e(:,:,layer,jl) , & |
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329 | sxe (:,:,layer,jl) , sxxe (:,:,layer,jl) , sye (:,:,layer,jl) , & |
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330 | syye (:,:,layer,jl), sxye (:,:,layer,jl) ) |
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331 | END DO |
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332 | |
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333 | END DO |
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334 | END DO |
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335 | ENDIF |
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336 | |
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337 | !------------------------------------------- |
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338 | ! Recover the properties from their contents |
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339 | !------------------------------------------- |
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340 | |
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341 | zs0ow (:,:) = zs0ow(:,:) / area(:,:) |
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342 | DO jl = 1, jpl |
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343 | zs0ice(:,:,jl) = zs0ice(:,:,jl) / area(:,:) |
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344 | zs0sn (:,:,jl) = zs0sn (:,:,jl) / area(:,:) |
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345 | zs0sm (:,:,jl) = zs0sm (:,:,jl) / area(:,:) |
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346 | zs0oi (:,:,jl) = zs0oi (:,:,jl) / area(:,:) |
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347 | zs0a (:,:,jl) = zs0a (:,:,jl) / area(:,:) |
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348 | zs0c0 (:,:,jl) = zs0c0 (:,:,jl) / area(:,:) |
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349 | DO jk = 1, nlay_i |
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350 | zs0e(:,:,jk,jl) = zs0e(:,:,jk,jl) / area(:,:) |
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351 | END DO |
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352 | END DO |
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353 | |
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354 | !------------------------------------------------------------------------------! |
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355 | ! 4) Diffusion of Ice fields |
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356 | !------------------------------------------------------------------------------! |
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357 | |
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358 | !------------------------------------ |
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359 | ! 4.1) diffusion of open water area |
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360 | !------------------------------------ |
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361 | |
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362 | ! Compute total ice fraction |
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363 | zs0at(:,:) = 0.0 |
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364 | DO jl = 1, jpl |
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365 | DO jj = 1, jpj |
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366 | DO ji = 1, jpi |
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367 | zs0at (ji,jj) = zs0at(ji,jj) + zs0a(ji,jj,jl) ! |
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368 | END DO |
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369 | END DO |
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370 | END DO |
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371 | |
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372 | ! Masked eddy diffusivity coefficient at ocean U- and V-points |
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373 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
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374 | DO ji = 1 , fs_jpim1 ! vector opt. |
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375 | pahu(ji,jj) = ( 1.0 - MAX( rzero, SIGN( rone, -zs0at(ji ,jj) ) ) ) & |
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376 | & * ( 1.0 - MAX( rzero, SIGN( rone, -zs0at(ji+1,jj) ) ) ) * ahiu(ji,jj) |
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377 | pahv(ji,jj) = ( 1.0 - MAX( rzero, SIGN( rone, -zs0at(ji,jj ) ) ) ) & |
---|
378 | & * ( 1.0 - MAX( rzero, SIGN( rone,- zs0at(ji,jj+1) ) ) ) * ahiv(ji,jj) |
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379 | END DO !jj |
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380 | END DO ! ji |
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381 | |
---|
382 | ! Diffusion |
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383 | CALL lim_hdf( zs0ow (:,:) ) |
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384 | |
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385 | !---------------------------------------- |
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386 | ! 4.2) Diffusion of other ice variables |
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387 | !---------------------------------------- |
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388 | DO jl = 1, jpl |
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389 | |
---|
390 | ! Masked eddy diffusivity coefficient at ocean U- and V-points |
---|
391 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
---|
392 | DO ji = 1 , fs_jpim1 ! vector opt. |
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393 | pahu(ji,jj) = ( 1.0 - MAX( rzero, SIGN( rone, -zs0a(ji ,jj,jl) ) ) ) & |
---|
394 | & * ( 1.0 - MAX( rzero, SIGN( rone, -zs0a(ji+1,jj,jl) ) ) ) * ahiu(ji,jj) |
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395 | pahv(ji,jj) = ( 1.0 - MAX( rzero, SIGN( rone, -zs0a(ji,jj,jl ) ) ) ) & |
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396 | & * ( 1.0 - MAX( rzero, SIGN( rone,- zs0a(ji,jj+1,jl) ) ) ) * ahiv(ji,jj) |
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397 | END DO !jj |
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398 | END DO ! ji |
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399 | |
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400 | CALL lim_hdf( zs0ice (:,:,jl) ) |
---|
401 | CALL lim_hdf( zs0sn (:,:,jl) ) |
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402 | CALL lim_hdf( zs0sm (:,:,jl) ) |
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403 | CALL lim_hdf( zs0oi (:,:,jl) ) |
---|
404 | CALL lim_hdf( zs0a (:,:,jl) ) |
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405 | CALL lim_hdf( zs0c0 (:,:,jl) ) |
---|
406 | DO jk = 1, nlay_i |
---|
407 | CALL lim_hdf( zs0e (:,:,jk,jl) ) |
---|
408 | END DO ! jk |
---|
409 | END DO !jl |
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410 | |
---|
411 | !----------------------------------------- |
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412 | ! 4.3) Remultiply everything by ice area |
---|
413 | !----------------------------------------- |
---|
414 | zs0ow(:,:) = MAX(rzero, zs0ow(:,:) * area(:,:) ) |
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415 | DO jl = 1, jpl |
---|
416 | zs0ice(:,:,jl) = MAX( rzero, zs0ice(:,:,jl) * area(:,:) ) !!bug: est-ce utile |
---|
417 | zs0sn (:,:,jl) = MAX( rzero, zs0sn (:,:,jl) * area(:,:) ) !!bug: cf /area juste apres |
---|
418 | zs0sm (:,:,jl) = MAX( rzero, zs0sm (:,:,jl) * area(:,:) ) !!bug: cf /area juste apres |
---|
419 | zs0oi (:,:,jl) = MAX( rzero, zs0oi (:,:,jl) * area(:,:) ) |
---|
420 | zs0a (:,:,jl) = MAX( rzero, zs0a (:,:,jl) * area(:,:) ) !! suppress both change le resultat |
---|
421 | zs0c0 (:,:,jl) = MAX( rzero, zs0c0 (:,:,jl) * area(:,:) ) |
---|
422 | DO jk = 1, nlay_i |
---|
423 | zs0e(:,:,jk,jl) = MAX( rzero, zs0e (:,:,jk,jl) * area(:,:) ) |
---|
424 | END DO ! jk |
---|
425 | END DO ! jl |
---|
426 | |
---|
427 | !------------------------------------------------------------------------------! |
---|
428 | ! 5) Update and limit ice properties after transport |
---|
429 | !------------------------------------------------------------------------------! |
---|
430 | |
---|
431 | !-------------------------------------------------- |
---|
432 | ! 5.1) Recover mean values over the grid squares. |
---|
433 | !-------------------------------------------------- |
---|
434 | |
---|
435 | DO jl = 1, jpl |
---|
436 | DO jk = 1, nlay_i |
---|
437 | DO jj = 1, jpj |
---|
438 | DO ji = 1, jpi |
---|
439 | zs0e (ji,jj,jk,jl) = & |
---|
440 | MAX( rzero, zs0e (ji,jj,jk,jl) / area(ji,jj) ) |
---|
441 | END DO |
---|
442 | END DO |
---|
443 | END DO |
---|
444 | END DO |
---|
445 | |
---|
446 | DO jj = 1, jpj |
---|
447 | DO ji = 1, jpi |
---|
448 | zs0ow (ji,jj) = MAX( rzero, zs0ow (ji,jj) / area(ji,jj) ) |
---|
449 | END DO |
---|
450 | END DO |
---|
451 | |
---|
452 | zs0at(:,:) = 0.0 |
---|
453 | DO jl = 1, jpl |
---|
454 | DO jj = 1, jpj |
---|
455 | DO ji = 1, jpi |
---|
456 | zs0sn (ji,jj,jl) = MAX( rzero, zs0sn (ji,jj,jl)/area(ji,jj) ) |
---|
457 | zs0ice(ji,jj,jl) = MAX( rzero, zs0ice(ji,jj,jl)/area(ji,jj) ) |
---|
458 | zs0sm (ji,jj,jl) = MAX( rzero, zs0sm (ji,jj,jl)/area(ji,jj) ) |
---|
459 | zs0oi (ji,jj,jl) = MAX( rzero, zs0oi (ji,jj,jl)/area(ji,jj) ) |
---|
460 | zs0a (ji,jj,jl) = MAX( rzero, zs0a (ji,jj,jl)/area(ji,jj) ) |
---|
461 | zs0c0 (ji,jj,jl) = MAX( rzero, zs0c0 (ji,jj,jl)/area(ji,jj) ) |
---|
462 | zs0at (ji,jj) = zs0at(ji,jj) + zs0a(ji,jj,jl) |
---|
463 | END DO |
---|
464 | END DO |
---|
465 | END DO |
---|
466 | |
---|
467 | !--------------------------------------------------------- |
---|
468 | ! 5.2) Snow thickness, Ice thickness, Ice concentrations |
---|
469 | !--------------------------------------------------------- |
---|
470 | |
---|
471 | DO jj = 1, jpj |
---|
472 | DO ji = 1, jpi |
---|
473 | zindb = MAX( 0.0 , SIGN( 1.0, zs0at(ji,jj) - zeps10) ) |
---|
474 | zs0ow(ji,jj) = (1.0 - zindb) + zindb*MAX( zs0ow(ji,jj), 0.00 ) |
---|
475 | ato_i(ji,jj) = zs0ow(ji,jj) |
---|
476 | END DO |
---|
477 | END DO |
---|
478 | |
---|
479 | ! Remove very small areas |
---|
480 | DO jl = 1, jpl |
---|
481 | DO jj = 1, jpj |
---|
482 | DO ji = 1, jpi |
---|
483 | zindb = MAX( 0.0 , SIGN( 1.0, zs0a(ji,jj,jl) - zeps10) ) |
---|
484 | |
---|
485 | zs0a(ji,jj,jl) = zindb * MIN( zs0a(ji,jj,jl), 0.99 ) |
---|
486 | v_s(ji,jj,jl) = zindb * zs0sn (ji,jj,jl) |
---|
487 | v_i(ji,jj,jl) = zindb * zs0ice(ji,jj,jl) |
---|
488 | |
---|
489 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - zeps10 ) ) |
---|
490 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
---|
491 | zindb = MAX( zindsn, zindic ) |
---|
492 | zs0a (ji,jj,jl) = zindb * zs0a(ji,jj,jl) !ice concentration |
---|
493 | a_i (ji,jj,jl) = zs0a(ji,jj,jl) |
---|
494 | v_s (ji,jj,jl) = zindsn * v_s(ji,jj,jl) |
---|
495 | v_i (ji,jj,jl) = zindic * v_i(ji,jj,jl) |
---|
496 | END DO |
---|
497 | END DO |
---|
498 | END DO |
---|
499 | |
---|
500 | DO jj = 1, jpj |
---|
501 | DO ji = 1, jpi |
---|
502 | zs0at(ji,jj) = SUM( zs0a(ji,jj,1:jpl) ) |
---|
503 | END DO |
---|
504 | END DO |
---|
505 | |
---|
506 | !---------------------- |
---|
507 | ! 5.3) Ice properties |
---|
508 | !---------------------- |
---|
509 | |
---|
510 | zbigval = 1.0d+13 |
---|
511 | |
---|
512 | DO jl = 1, jpl |
---|
513 | DO jj = 1, jpj |
---|
514 | DO ji = 1, jpi |
---|
515 | |
---|
516 | ! Switches and dummy variables |
---|
517 | zusvosn = 1.0/MAX( v_s(ji,jj,jl) , epsi16 ) |
---|
518 | zusvoic = 1.0/MAX( v_i(ji,jj,jl) , epsi16 ) |
---|
519 | zrtt = 173.15 * rone |
---|
520 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - zeps10 ) ) |
---|
521 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
---|
522 | zindb = MAX( zindsn, zindic ) |
---|
523 | |
---|
524 | ! Ice salinity and age |
---|
525 | zsal = MAX( MIN( (rhoic-rhosn)/rhoic*sss_m(ji,jj) , & |
---|
526 | zusvoic * zs0sm(ji,jj,jl) ), s_i_min ) * & |
---|
527 | v_i(ji,jj,jl) |
---|
528 | IF ( ( num_sal .EQ. 2 ) .OR. ( num_sal .EQ. 4 ) ) & |
---|
529 | smv_i(ji,jj,jl) = zindic*zsal + (1.0-zindic)*0.0 |
---|
530 | |
---|
531 | zage = MAX( MIN( zbigval, zs0oi(ji,jj,jl) / & |
---|
532 | MAX( a_i(ji,jj,jl), epsi16 ) ), 0.0 ) * & |
---|
533 | a_i(ji,jj,jl) |
---|
534 | oa_i (ji,jj,jl) = zindic*zage |
---|
535 | |
---|
536 | ! Snow heat content |
---|
537 | ze = MIN( MAX( 0.0, zs0c0(ji,jj,jl)*area(ji,jj) ), zbigval ) |
---|
538 | e_s(ji,jj,1,jl) = zindsn * ze + (1.0 - zindsn) * 0.0 |
---|
539 | |
---|
540 | END DO !ji |
---|
541 | END DO !jj |
---|
542 | END DO ! jl |
---|
543 | |
---|
544 | DO jl = 1, jpl |
---|
545 | DO jk = 1, nlay_i |
---|
546 | DO jj = 1, jpj |
---|
547 | DO ji = 1, jpi |
---|
548 | ! Ice heat content |
---|
549 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
---|
550 | ze = MIN( MAX( 0.0, zs0e(ji,jj,jk,jl)*area(ji,jj) ), zbigval ) |
---|
551 | e_i(ji,jj,jk,jl) = zindic * ze + ( 1.0 - zindic ) * 0.0 |
---|
552 | END DO !ji |
---|
553 | END DO ! jj |
---|
554 | END DO ! jk |
---|
555 | END DO ! jl |
---|
556 | |
---|
557 | ENDIF |
---|
558 | |
---|
559 | IF(ln_ctl) THEN ! Control print |
---|
560 | CALL prt_ctl_info(' ') |
---|
561 | CALL prt_ctl_info(' - Cell values : ') |
---|
562 | CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') |
---|
563 | CALL prt_ctl(tab2d_1=area , clinfo1=' lim_trp : cell area :') |
---|
564 | CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_trp : at_i :') |
---|
565 | CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_trp : vt_i :') |
---|
566 | CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_trp : vt_s :') |
---|
567 | DO jl = 1, jpl |
---|
568 | CALL prt_ctl_info(' ') |
---|
569 | CALL prt_ctl_info(' - Category : ', ivar1=jl) |
---|
570 | CALL prt_ctl_info(' ~~~~~~~~~~') |
---|
571 | CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_trp : a_i : ') |
---|
572 | CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_trp : ht_i : ') |
---|
573 | CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_trp : ht_s : ') |
---|
574 | CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_trp : v_i : ') |
---|
575 | CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_trp : v_s : ') |
---|
576 | CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_trp : e_s : ') |
---|
577 | CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_trp : t_su : ') |
---|
578 | CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_trp : t_snow : ') |
---|
579 | CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_trp : sm_i : ') |
---|
580 | CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_trp : smv_i : ') |
---|
581 | DO jk = 1, nlay_i |
---|
582 | CALL prt_ctl_info(' ') |
---|
583 | CALL prt_ctl_info(' - Layer : ', ivar1=jk) |
---|
584 | CALL prt_ctl_info(' ~~~~~~~') |
---|
585 | CALL prt_ctl(tab2d_1=t_i(:,:,jk,jl) , clinfo1= ' lim_trp : t_i : ') |
---|
586 | CALL prt_ctl(tab2d_1=e_i(:,:,jk,jl) , clinfo1= ' lim_trp : e_i : ') |
---|
587 | END DO |
---|
588 | END DO |
---|
589 | ENDIF |
---|
590 | |
---|
591 | END SUBROUTINE lim_trp |
---|
592 | |
---|
593 | |
---|
594 | SUBROUTINE lim_trp_init |
---|
595 | !!------------------------------------------------------------------- |
---|
596 | !! *** ROUTINE lim_trp_init *** |
---|
597 | !! |
---|
598 | !! ** Purpose : initialization of ice advection parameters |
---|
599 | !! |
---|
600 | !! ** Method : Read the namicetrp namelist and check the parameter |
---|
601 | !! values called at the first timestep (nit000) |
---|
602 | !! |
---|
603 | !! ** input : Namelist namicetrp |
---|
604 | !! |
---|
605 | !! history : |
---|
606 | !! 2.0 ! 03-08 (C. Ethe) Original code |
---|
607 | !!------------------------------------------------------------------- |
---|
608 | NAMELIST/namicetrp/ bound |
---|
609 | !!------------------------------------------------------------------- |
---|
610 | |
---|
611 | ! Read Namelist namicetrp |
---|
612 | REWIND ( numnam_ice ) |
---|
613 | READ ( numnam_ice , namicetrp ) |
---|
614 | IF(lwp) THEN |
---|
615 | WRITE(numout,*) |
---|
616 | WRITE(numout,*) 'lim_trp_init : Ice parameters for advection ' |
---|
617 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
618 | WRITE(numout,*) ' boundary conditions (0.0 no-slip, 1.0 free-slip) bound = ', bound |
---|
619 | WRITE(numout,*) |
---|
620 | ENDIF |
---|
621 | |
---|
622 | END SUBROUTINE lim_trp_init |
---|
623 | |
---|
624 | #else |
---|
625 | !!---------------------------------------------------------------------- |
---|
626 | !! Default option Empty Module No sea-ice model |
---|
627 | !!---------------------------------------------------------------------- |
---|
628 | CONTAINS |
---|
629 | SUBROUTINE lim_trp ! Empty routine |
---|
630 | END SUBROUTINE lim_trp |
---|
631 | #endif |
---|
632 | |
---|
633 | !!====================================================================== |
---|
634 | END MODULE limtrp |
---|