1 | MODULE domrea |
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2 | !!====================================================================== |
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3 | !! *** MODULE domrea *** |
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4 | !! Ocean initialization : read the ocean domain meshmask file(s) |
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5 | !!====================================================================== |
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6 | |
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7 | !!---------------------------------------------------------------------- |
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8 | !! dom_rea : read mesh and mask file(s) |
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9 | !! nmsh = 1 : mesh_mask file |
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10 | !! = 2 : mesh and mask file |
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11 | !! = 3 : mesh_hgr, mesh_zgr and mask |
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12 | !!---------------------------------------------------------------------- |
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13 | USE dom_oce ! ocean space and time domain |
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14 | USE dommsk ! domain: masks |
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15 | USE lbclnk ! |
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16 | USE in_out_manager ! I/O manager |
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17 | |
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18 | IMPLICIT NONE |
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19 | PRIVATE |
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20 | |
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21 | PUBLIC dom_rea ! routine called by inidom.F90 |
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22 | !!---------------------------------------------------------------------- |
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23 | !! NEMO/OFF 3.3 , NEMO Consortium (2010) |
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24 | !! $Id$ |
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25 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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26 | !!---------------------------------------------------------------------- |
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27 | |
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28 | CONTAINS |
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29 | |
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30 | #if defined key_mpp_mpi && defined key_dimgout |
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31 | !!---------------------------------------------------------------------- |
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32 | !! 'key_mpp_mpi' OR |
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33 | !! 'key_dimgout' : each processor makes its own direct access file |
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34 | !! use build_nc_meshmask off line to retrieve |
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35 | !! a ioipsl compliant meshmask file |
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36 | !!---------------------------------------------------------------------- |
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37 | # include "domrea_dimg.h90" |
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38 | |
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39 | #else |
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40 | !!---------------------------------------------------------------------- |
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41 | !! Default option : NetCDF file |
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42 | !!---------------------------------------------------------------------- |
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43 | |
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44 | SUBROUTINE dom_rea |
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45 | !!---------------------------------------------------------------------- |
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46 | !! *** ROUTINE dom_rea *** |
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47 | !! |
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48 | !! ** Purpose : Read the NetCDF file(s) which contain(s) all the |
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49 | !! ocean domain informations (mesh and mask arrays). This (these) |
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50 | !! file(s) is (are) used for visualisation (SAXO software) and |
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51 | !! diagnostic computation. |
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52 | !! |
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53 | !! ** Method : Read in a file all the arrays generated in routines |
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54 | !! domhgr, domzgr, and dommsk. Note: the file contain depends on |
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55 | !! the vertical coord. used (z-coord, partial steps, s-coord) |
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56 | !! nmsh = 1 : 'mesh_mask.nc' file |
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57 | !! = 2 : 'mesh.nc' and mask.nc' files |
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58 | !! = 3 : 'mesh_hgr.nc', 'mesh_zgr.nc' and |
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59 | !! 'mask.nc' files |
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60 | !! For huge size domain, use option 2 or 3 depending on your |
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61 | !! vertical coordinate. |
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62 | !! |
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63 | !! ** input file : |
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64 | !! meshmask.nc : domain size, horizontal grid-point position, |
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65 | !! masks, depth and vertical scale factors |
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66 | !!---------------------------------------------------------------------- |
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67 | USE iom |
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68 | !! |
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69 | INTEGER :: ji, jj, jk ! dummy loop indices |
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70 | INTEGER :: ik, inum0 , inum1 , inum2 , inum3 , inum4 ! local integers |
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71 | REAL(wp) :: zrefdep ! local real |
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72 | REAL(wp), DIMENSION(jpi,jpj) :: zmbk ! 2D workspace |
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73 | !!---------------------------------------------------------------------- |
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74 | |
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75 | IF(lwp) WRITE(numout,*) |
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76 | IF(lwp) WRITE(numout,*) 'dom_rea : read NetCDF mesh and mask information file(s)' |
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77 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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78 | |
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79 | zmbk(:,:) = 0._wp |
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80 | |
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81 | SELECT CASE (nmsh) |
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82 | ! ! ============================ |
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83 | CASE ( 1 ) ! create 'mesh_mask.nc' file |
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84 | ! ! ============================ |
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85 | |
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86 | IF(lwp) WRITE(numout,*) ' one file in "mesh_mask.nc" ' |
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87 | CALL iom_open( 'mesh_mask', inum0 ) |
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88 | |
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89 | inum2 = inum0 ! put all the informations |
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90 | inum3 = inum0 ! in unit inum0 |
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91 | inum4 = inum0 |
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92 | |
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93 | ! ! ============================ |
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94 | CASE ( 2 ) ! create 'mesh.nc' and |
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95 | ! ! 'mask.nc' files |
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96 | ! ! ============================ |
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97 | |
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98 | IF(lwp) WRITE(numout,*) ' two files in "mesh.nc" and "mask.nc" ' |
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99 | CALL iom_open( 'mesh', inum1 ) |
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100 | CALL iom_open( 'mask', inum2 ) |
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101 | |
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102 | inum3 = inum1 ! put mesh informations |
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103 | inum4 = inum1 ! in unit inum1 |
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104 | |
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105 | ! ! ============================ |
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106 | CASE ( 3 ) ! create 'mesh_hgr.nc' |
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107 | ! ! 'mesh_zgr.nc' and |
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108 | ! ! 'mask.nc' files |
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109 | ! ! ============================ |
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110 | |
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111 | IF(lwp) WRITE(numout,*) ' three files in "mesh_hgr.nc" , "mesh_zgr.nc" and "mask.nc" ' |
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112 | CALL iom_open( 'mesh_hgr', inum3 ) ! create 'mesh_hgr.nc' |
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113 | CALL iom_open( 'mesh_zgr', inum4 ) ! create 'mesh_zgr.nc' |
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114 | CALL iom_open( 'mask' , inum2 ) ! create 'mask.nc' |
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115 | |
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116 | END SELECT |
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117 | |
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118 | ! ! masks (inum2) |
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119 | CALL iom_get( inum2, jpdom_data, 'tmask', tmask ) |
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120 | CALL iom_get( inum2, jpdom_data, 'umask', umask ) |
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121 | CALL iom_get( inum2, jpdom_data, 'vmask', vmask ) |
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122 | CALL iom_get( inum2, jpdom_data, 'fmask', fmask ) |
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123 | |
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124 | #if defined key_c1d |
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125 | ! set umask and vmask equal tmask in 1D configuration |
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126 | IF(lwp) WRITE(numout,*) |
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127 | IF(lwp) WRITE(numout,*) '********** 1D configuration : set umask and vmask equal tmask ********' |
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128 | IF(lwp) WRITE(numout,*) '********** ********' |
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129 | |
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130 | umask(:,:,:) = tmask(:,:,:) |
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131 | vmask(:,:,:) = tmask(:,:,:) |
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132 | #endif |
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133 | |
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134 | #if defined key_degrad |
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135 | CALL iom_get( inum2, jpdom_data, 'facvolt', facvol ) |
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136 | #endif |
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137 | |
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138 | ! ! horizontal mesh (inum3) |
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139 | CALL iom_get( inum3, jpdom_data, 'glamt', glamt ) |
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140 | CALL iom_get( inum3, jpdom_data, 'glamu', glamu ) |
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141 | CALL iom_get( inum3, jpdom_data, 'glamv', glamv ) |
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142 | CALL iom_get( inum3, jpdom_data, 'glamf', glamf ) |
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143 | |
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144 | CALL iom_get( inum3, jpdom_data, 'gphit', gphit ) |
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145 | CALL iom_get( inum3, jpdom_data, 'gphiu', gphiu ) |
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146 | CALL iom_get( inum3, jpdom_data, 'gphiv', gphiv ) |
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147 | CALL iom_get( inum3, jpdom_data, 'gphif', gphif ) |
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148 | |
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149 | CALL iom_get( inum3, jpdom_data, 'e1t', e1t ) |
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150 | CALL iom_get( inum3, jpdom_data, 'e1u', e1u ) |
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151 | CALL iom_get( inum3, jpdom_data, 'e1v', e1v ) |
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152 | |
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153 | CALL iom_get( inum3, jpdom_data, 'e2t', e2t ) |
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154 | CALL iom_get( inum3, jpdom_data, 'e2u', e2u ) |
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155 | CALL iom_get( inum3, jpdom_data, 'e2v', e2v ) |
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156 | |
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157 | CALL iom_get( inum3, jpdom_data, 'ff', ff ) |
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158 | |
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159 | CALL iom_get( inum4, jpdom_data, 'mbathy', zmbk ) |
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160 | |
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161 | ! |
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162 | mbkt(:,:) = MAX( zmbk(:,:) * tmask(:,:,1), 1._wp ) ! bottom k-index of T-level (=1 over land) |
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163 | ! |
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164 | DO jj = 1, jpjm1 ! bottom k-index of u- (v-) level |
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165 | DO ji = 1, jpim1 |
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166 | mbku(ji,jj) = MIN( mbkt(ji+1,jj ) , mbkt(ji,jj) ) |
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167 | mbkv(ji,jj) = MIN( mbkt(ji ,jj+1) , mbkt(ji,jj) ) |
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168 | END DO |
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169 | END DO |
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170 | ! converte into REAL to use lbc_lnk ; impose a min value of 1 as a zero can be set in lbclnk |
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171 | zmbk(:,:) = REAL( mbku(:,:), wp ) ; CALL lbc_lnk(zmbk,'U',1.) ; mbku (:,:) = MAX( INT( zmbk(:,:) ), 1 ) |
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172 | zmbk(:,:) = REAL( mbkv(:,:), wp ) ; CALL lbc_lnk(zmbk,'V',1.) ; mbkv (:,:) = MAX( INT( zmbk(:,:) ), 1 ) |
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173 | ! ! bottom k-index of W-level = mbkt+1 |
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174 | ! |
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175 | IF( ln_sco ) THEN ! s-coordinate |
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176 | CALL iom_get( inum4, jpdom_data, 'hbatt', hbatt ) |
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177 | CALL iom_get( inum4, jpdom_data, 'hbatu', hbatu ) |
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178 | CALL iom_get( inum4, jpdom_data, 'hbatv', hbatv ) |
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179 | CALL iom_get( inum4, jpdom_data, 'hbatf', hbatf ) |
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180 | |
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181 | CALL iom_get( inum4, jpdom_unknown, 'gsigt', gsigt ) ! scaling coef. |
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182 | CALL iom_get( inum4, jpdom_unknown, 'gsigw', gsigw ) |
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183 | CALL iom_get( inum4, jpdom_unknown, 'gsi3w', gsi3w ) |
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184 | CALL iom_get( inum4, jpdom_unknown, 'esigt', esigt ) |
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185 | CALL iom_get( inum4, jpdom_unknown, 'esigw', esigw ) |
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186 | |
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187 | CALL iom_get( inum4, jpdom_data, 'e3t', e3t ) ! scale factors |
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188 | CALL iom_get( inum4, jpdom_data, 'e3u', e3u ) |
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189 | CALL iom_get( inum4, jpdom_data, 'e3v', e3v ) |
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190 | CALL iom_get( inum4, jpdom_data, 'e3w', e3w ) |
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191 | |
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192 | CALL iom_get( inum4, jpdom_unknown, 'gdept_0', gdept_0 ) ! depth |
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193 | CALL iom_get( inum4, jpdom_unknown, 'gdepw_0', gdepw_0 ) |
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194 | ENDIF |
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195 | |
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196 | |
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197 | IF( ln_zps ) THEN |
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198 | ! Vertical coordinates and scales factors |
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199 | CALL iom_get( inum4, jpdom_unknown, 'gdept_0', gdept_0 ) ! depth |
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200 | CALL iom_get( inum4, jpdom_unknown, 'gdepw_0', gdepw_0 ) |
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201 | CALL iom_get( inum4, jpdom_unknown, 'e3t_0' , e3t_0 ) |
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202 | CALL iom_get( inum4, jpdom_unknown, 'e3w_0' , e3w_0 ) |
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203 | ! z-coordinate - partial steps |
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204 | IF( nmsh <= 6 ) THEN ! ! 3D vertical scale factors |
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205 | CALL iom_get( inum4, jpdom_data, 'e3t', e3t ) ! scale factors |
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206 | CALL iom_get( inum4, jpdom_data, 'e3u', e3u ) |
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207 | CALL iom_get( inum4, jpdom_data, 'e3v', e3v ) |
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208 | CALL iom_get( inum4, jpdom_data, 'e3w', e3w ) |
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209 | ELSE ! ! 2D bottom scale factors |
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210 | CALL iom_get( inum4, jpdom_data, 'e3t_ps', e3tp ) |
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211 | CALL iom_get( inum4, jpdom_data, 'e3w_ps', e3wp ) |
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212 | END IF |
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213 | |
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214 | IF( iom_varid( inum4, 'gdept', ldstop = .FALSE. ) > 0 ) THEN |
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215 | CALL iom_get( inum4, jpdom_data, 'gdept', gdept ) ! scale factors |
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216 | CALL iom_get( inum4, jpdom_data, 'gdepw', gdepw ) |
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217 | ELSE ! ! 2D bottom depth |
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218 | CALL iom_get( inum4, jpdom_data, 'hdept', hdept ) ! depth |
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219 | CALL iom_get( inum4, jpdom_data, 'hdepw', hdepw ) |
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220 | |
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221 | DO jk = 1,jpk |
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222 | gdept(:,:,jk) = gdept_0(jk) |
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223 | gdepw(:,:,jk) = gdepw_0(jk) |
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224 | ENDDO |
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225 | |
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226 | DO jj = 1, jpj |
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227 | DO ji = 1, jpi |
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228 | ik = mbkt(ji,jj) |
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229 | ! ocean point only |
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230 | IF( ik > 0 ) THEN |
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231 | ! max ocean level case |
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232 | gdepw(ji,jj,ik+1) = hdepw(ji,jj) |
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233 | gdept(ji,jj,ik ) = hdept(ji,jj) |
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234 | gdept(ji,jj,ik+1) = gdept(ji,jj,ik) + e3t(ji,jj,ik) |
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235 | ENDIF |
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236 | END DO |
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237 | END DO |
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238 | |
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239 | ENDIF |
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240 | |
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241 | ENDIF |
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242 | |
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243 | IF( ln_zco ) THEN |
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244 | ! Vertical coordinates and scales factors |
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245 | CALL iom_get( inum4, jpdom_unknown, 'gdept_0', gdept_0 ) ! depth |
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246 | CALL iom_get( inum4, jpdom_unknown, 'gdepw_0', gdepw_0 ) |
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247 | CALL iom_get( inum4, jpdom_unknown, 'e3t_0' , e3t_0 ) |
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248 | CALL iom_get( inum4, jpdom_unknown, 'e3w_0' , e3w_0 ) |
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249 | ENDIF |
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250 | |
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251 | !!gm BUG in s-coordinate this does not work! |
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252 | ! deepest/shallowest W level Above/Below ~10m |
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253 | zrefdep = 10._wp - ( 0.1_wp * MINVAL(e3w_0) ) ! ref. depth with tolerance (10% of minimum layer thickness) |
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254 | nlb10 = MINLOC( gdepw_0, mask = gdepw_0 > zrefdep, dim = 1 ) ! shallowest W level Below ~10m |
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255 | nla10 = nlb10 - 1 ! deepest W level Above ~10m |
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256 | !!gm end bug |
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257 | |
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258 | ! Control printing : Grid informations (if not restart) |
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259 | ! ---------------- |
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260 | |
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261 | IF(lwp .AND. .NOT.ln_rstart ) THEN |
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262 | WRITE(numout,*) |
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263 | WRITE(numout,*) ' longitude and e1 scale factors' |
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264 | WRITE(numout,*) ' ------------------------------' |
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265 | WRITE(numout,9300) ( ji, glamt(ji,1), glamu(ji,1), & |
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266 | glamv(ji,1), glamf(ji,1), & |
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267 | e1t(ji,1), e1u(ji,1), & |
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268 | e1v(ji,1), ji = 1, jpi,10) |
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269 | 9300 FORMAT( 1x, i4, f8.2,1x, f8.2,1x, f8.2,1x, f8.2, 1x, & |
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270 | f19.10, 1x, f19.10, 1x, f19.10 ) |
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271 | |
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272 | WRITE(numout,*) |
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273 | WRITE(numout,*) ' latitude and e2 scale factors' |
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274 | WRITE(numout,*) ' -----------------------------' |
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275 | WRITE(numout,9300) ( jj, gphit(1,jj), gphiu(1,jj), & |
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276 | & gphiv(1,jj), gphif(1,jj), & |
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277 | & e2t (1,jj), e2u (1,jj), & |
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278 | & e2v (1,jj), jj = 1, jpj, 10 ) |
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279 | ENDIF |
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280 | |
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281 | |
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282 | IF( nprint == 1 .AND. lwp ) THEN |
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283 | WRITE(numout,*) ' e1u e2u ' |
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284 | CALL prihre( e1u,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
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285 | CALL prihre( e2u,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
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286 | WRITE(numout,*) ' e1v e2v ' |
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287 | CALL prihre( e1v,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
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288 | CALL prihre( e2v,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
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289 | ENDIF |
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290 | |
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291 | IF(lwp) THEN |
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292 | WRITE(numout,*) |
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293 | WRITE(numout,*) ' Reference z-coordinate depth and scale factors:' |
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294 | WRITE(numout, "(9x,' level gdept gdepw e3t e3w ')" ) |
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295 | WRITE(numout, "(10x, i4, 4f9.2)" ) ( jk, gdept_0(jk), gdepw_0(jk), e3t_0(jk), e3w_0(jk), jk = 1, jpk ) |
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296 | ENDIF |
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297 | |
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298 | DO jk = 1, jpk |
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299 | IF( e3w_0 (jk) <= 0._wp .OR. e3t_0 (jk) <= 0._wp ) CALL ctl_stop( ' e3w_0 or e3t_0 =< 0 ' ) |
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300 | IF( gdepw_0(jk) < 0._wp .OR. gdept_0(jk) < 0._wp ) CALL ctl_stop( ' gdepw_0 or gdept_0 < 0 ' ) |
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301 | END DO |
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302 | ! ! ============================ |
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303 | ! ! close the files |
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304 | ! ! ============================ |
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305 | SELECT CASE ( nmsh ) |
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306 | CASE ( 1 ) |
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307 | CALL iom_close( inum0 ) |
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308 | CASE ( 2 ) |
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309 | CALL iom_close( inum1 ) |
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310 | CALL iom_close( inum2 ) |
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311 | CASE ( 3 ) |
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312 | CALL iom_close( inum2 ) |
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313 | CALL iom_close( inum3 ) |
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314 | CALL iom_close( inum4 ) |
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315 | END SELECT |
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316 | ! |
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317 | END SUBROUTINE dom_rea |
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318 | |
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319 | #endif |
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320 | |
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321 | !!====================================================================== |
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322 | END MODULE domrea |
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