1 | MODULE dtasal |
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2 | !!====================================================================== |
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3 | !! *** MODULE dtasal *** |
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4 | !! Ocean data : read ocean salinity data from monthly atlas data |
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5 | !!===================================================================== |
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6 | #if defined key_dtasal || defined key_esopa |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_dtasal' salinity data |
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9 | !!---------------------------------------------------------------------- |
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10 | !! dta_sal : read ocean salinity data |
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11 | !!---------------------------------------------------------------------- |
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12 | !! * Modules used |
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13 | USE oce ! ocean dynamics and tracers |
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14 | USE dom_oce ! ocean space and time domain |
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15 | USE in_out_manager ! I/O manager |
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16 | USE phycst ! physical constants |
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17 | USE daymod ! calendar |
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18 | #if defined key_orca_lev10 |
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19 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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20 | #endif |
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21 | |
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22 | IMPLICIT NONE |
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23 | PRIVATE |
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24 | |
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25 | !! * Routine accessibility |
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26 | PUBLIC dta_sal ! called by step.F90 and inidta.F90 |
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27 | |
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28 | !! * Shared module variables |
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29 | LOGICAL , PUBLIC, PARAMETER :: lk_dtasal = .TRUE. !: salinity data flag |
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30 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: |
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31 | s_dta !: salinity data at given time-step |
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32 | |
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33 | !! * Module variables |
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34 | INTEGER :: & |
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35 | numsdt, & !: logical unit for data salinity |
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36 | nsal1, nsal2 ! first and second record used |
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37 | REAL(wp), DIMENSION(jpi,jpj,jpk,2) :: & |
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38 | saldta ! salinity data at two consecutive times |
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39 | |
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40 | !! * Substitutions |
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41 | # include "domzgr_substitute.h90" |
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42 | !!---------------------------------------------------------------------- |
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43 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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44 | !! $Header$ |
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45 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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46 | !!---------------------------------------------------------------------- |
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47 | |
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48 | CONTAINS |
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49 | |
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50 | !!---------------------------------------------------------------------- |
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51 | !! Default option: NetCDF file |
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52 | !!---------------------------------------------------------------------- |
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53 | |
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54 | SUBROUTINE dta_sal( kt ) |
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55 | !!---------------------------------------------------------------------- |
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56 | !! *** ROUTINE dta_sal *** |
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57 | !! |
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58 | !! ** Purpose : Reads monthly salinity data |
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59 | !! |
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60 | !! ** Method : - Read on unit numsdt the monthly salinity data interpo- |
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61 | !! lated onto the model grid. |
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62 | !! - At each time step, a linear interpolation is applied |
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63 | !! between two monthly values. |
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64 | !! |
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65 | !! History : |
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66 | !! ! 91-03 () Original code |
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67 | !! ! 92-07 (M. Imbard) |
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68 | !! 9.0 ! 02-06 (G. Madec) F90: Free form and module |
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69 | !!---------------------------------------------------------------------- |
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70 | !! * Modules used |
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71 | USE iom |
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72 | |
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73 | !! * Arguments |
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74 | INTEGER, INTENT(in) :: kt ! ocean time step |
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75 | |
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76 | !! * Local declarations |
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77 | |
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78 | INTEGER :: ji, jj, jk, jl, jkk ! dummy loop indicies |
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79 | INTEGER :: & |
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80 | imois, iman, i15, ik ! temporary integers |
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81 | # if defined key_tradmp |
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82 | INTEGER :: & |
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83 | il0, il1, ii0, ii1, ij0, ij1 ! temporary integers |
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84 | # endif |
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85 | REAL(wp) :: zxy, zl |
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86 | #if defined key_orca_lev10 |
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87 | REAL(wp), DIMENSION(jpi,jpj,jpkdta,2) :: zsal |
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88 | INTEGER :: ikr, ikw, ikt, jjk |
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89 | REAL(wp) :: zfac |
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90 | #endif |
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91 | REAL(wp), DIMENSION(jpk,2) :: & |
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92 | zsaldta ! auxiliary array for interpolation |
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93 | !!---------------------------------------------------------------------- |
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94 | |
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95 | ! 0. Initialization |
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96 | ! ----------------- |
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97 | |
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98 | iman = INT( raamo ) |
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99 | !!! better but change the results i15 = INT( 2*FLOAT( nday ) / ( FLOAT( nobis(nmonth) ) + 0.5 ) ) |
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100 | i15 = nday / 16 |
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101 | imois = nmonth + i15 - 1 |
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102 | IF( imois == 0 ) imois = iman |
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103 | |
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104 | ! 1. First call kt=nit000 |
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105 | ! ----------------------- |
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106 | |
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107 | IF( kt == nit000 ) THEN |
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108 | |
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109 | nsal1 = 0 ! initializations |
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110 | IF(lwp) WRITE(numout,*) ' dta_sal : monthly salinity data in NetCDF file' |
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111 | CALL iom_open ( 'data_1m_salinity_nomask', numsdt ) |
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112 | |
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113 | ENDIF |
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114 | |
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115 | |
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116 | ! 2. Read monthly file |
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117 | ! ------------------- |
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118 | |
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119 | IF( kt == nit000 .OR. imois /= nsal1 ) THEN |
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120 | |
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121 | ! 2.1 Calendar computation |
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122 | |
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123 | nsal1 = imois ! first file record used |
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124 | nsal2 = nsal1 + 1 ! last file record used |
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125 | nsal1 = MOD( nsal1, iman ) |
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126 | IF( nsal1 == 0 ) nsal1 = iman |
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127 | nsal2 = MOD( nsal2, iman ) |
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128 | IF( nsal2 == 0 ) nsal2 = iman |
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129 | IF(lwp) WRITE(numout,*) 'first record file used nsal1 ', nsal1 |
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130 | IF(lwp) WRITE(numout,*) 'last record file used nsal2 ', nsal2 |
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131 | |
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132 | ! 2.3 Read monthly salinity data Levitus |
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133 | |
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134 | #if defined key_orca_lev10 |
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135 | if (lk_zps) stop |
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136 | zsal(:,:,:,:) = 0. |
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137 | CALL iom_get (numsdt,jpdom_data,'vosaline',zsal(:,:,:,1),nsal1) |
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138 | CALL iom_get (numsdt,jpdom_data,'vosaline',zsal(:,:,:,2),nsal2) |
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139 | #else |
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140 | CALL iom_get (numsdt,jpdom_data,'vosaline',saldta(:,:,:,1),nsal1) |
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141 | CALL iom_get (numsdt,jpdom_data,'vosaline',saldta(:,:,:,2),nsal2) |
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142 | #endif |
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143 | |
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144 | IF(lwp) THEN |
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145 | WRITE(numout,*) |
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146 | WRITE(numout,*) ' read Levitus salinity ok' |
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147 | WRITE(numout,*) |
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148 | ENDIF |
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149 | |
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150 | #if defined key_tradmp |
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151 | IF( cp_cfg == "orca" .AND. jp_cfg == 2 ) THEN |
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152 | |
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153 | ! ! ======================= |
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154 | ! ! ORCA_R2 configuration |
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155 | ! ! ======================= |
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156 | ij0 = 101 ; ij1 = 109 |
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157 | ii0 = 141 ; ii1 = 155 |
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158 | DO jj = mj0(ij0), mj1(ij1) ! Reduced salinity in the Alboran Sea |
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159 | DO ji = mi0(ii0), mi1(ii1) |
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160 | #if defined key_orca_lev10 |
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161 | zsal (ji,jj,13:13,:) = zsal (ji,jj,13:13,:) - 0.15 |
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162 | zsal (ji,jj,14:15,:) = zsal (ji,jj,14:15,:) - 0.25 |
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163 | zsal (ji,jj,16:17,:) = zsal (ji,jj,16:17,:) - 0.30 |
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164 | zsal (ji,jj,18:25,:) = zsal (ji,jj,18:25,:) - 0.35 |
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165 | #else |
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166 | saldta(ji,jj,13:13,:) = saldta(ji,jj,13:13,:) - 0.15 |
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167 | saldta(ji,jj,14:15,:) = saldta(ji,jj,14:15,:) - 0.25 |
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168 | saldta(ji,jj,16:17,:) = saldta(ji,jj,16:17,:) - 0.30 |
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169 | saldta(ji,jj,18:25,:) = saldta(ji,jj,18:25,:) - 0.35 |
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170 | #endif |
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171 | END DO |
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172 | END DO |
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173 | IF( n_cla == 1 ) THEN |
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174 | ! ! New salinity profile at Gibraltar |
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175 | il0 = 138 ; il1 = 138 |
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176 | ij0 = 101 ; ij1 = 101 |
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177 | ii0 = 139 ; ii1 = 139 |
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178 | #if defined key_orca_lev10 |
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179 | zsal ( mi0(ii0):mi1(ii1), mj0(ij0):mj1(ij1) , : , : ) = & |
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180 | & zsal ( mi0(il0):mi1(il1) , mj0(ij0):mj1(ij1) , : , : ) |
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181 | #else |
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182 | saldta( mi0(ii0):mi1(ii1), mj0(ij0):mj1(ij1) , : , : ) = & |
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183 | & saldta( mi0(il0):mi1(il1) , mj0(ij0):mj1(ij1) , : , : ) |
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184 | #endif |
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185 | ij0 = 101 ; ij1 = 101 |
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186 | #if defined key_orca_lev10 |
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187 | zsal ( mi0(ii0):mi1(ii1), mj0(ij0):mj1(ij1) , : , : ) = & |
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188 | & zsal ( mi0(il0):mi1(il1) , mj0(ij0):mj1(ij1) , : , : ) |
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189 | #else |
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190 | saldta( mi0(ii0):mi1(ii1), mj0(ij0):mj1(ij1) , : , : ) = & |
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191 | & saldta( mi0(il0):mi1(il1) , mj0(ij0):mj1(ij1) , : , : ) |
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192 | #endif |
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193 | il0 = 138 ; il1 = 138 |
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194 | ij0 = 101 ; ij1 = 102 |
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195 | ii0 = 139 ; ii1 = 139 |
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196 | DO jl = mi0(il0), mi1(il1) ! New salinity profile at Gibraltar |
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197 | DO jj = mj0(ij0), mj1(ij1) |
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198 | DO ji = mi0(ii0), mi1(ii1) |
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199 | #if defined key_orca_lev10 |
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200 | zsal (ji,jj,:,:) = zsal (jl,jj,:,:) |
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201 | #else |
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202 | saldta(ji,jj,:,:) = saldta(jl,jj,:,:) |
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203 | #endif |
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204 | END DO |
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205 | END DO |
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206 | END DO |
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207 | |
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208 | il0 = 164 ; il1 = 164 |
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209 | ij0 = 88 ; ij1 = 88 |
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210 | ii0 = 161 ; ii1 = 163 |
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211 | DO jl = mi0(il0), mi1(il1) ! New salinity profile at Bab el Mandeb |
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212 | DO jj = mj0(ij0), mj1(ij1) |
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213 | DO ji = mi0(ii0), mi1(ii1) |
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214 | #if defined key_orca_lev10 |
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215 | zsal (ji,jj,:,:) = zsal (jl,jj,:,:) |
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216 | #else |
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217 | saldta(ji,jj,:,:) = saldta(jl,jj,:,:) |
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218 | #endif |
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219 | END DO |
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220 | END DO |
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221 | ij0 = 87 ; ij1 = 87 |
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222 | DO jj = mj0(ij0), mj1(ij1) |
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223 | DO ji = mi0(ii0), mi1(ii1) |
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224 | #if defined key_orca_lev10 |
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225 | zsal (ji,jj,:,:) = zsal (jl,jj,:,:) |
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226 | #else |
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227 | saldta(ji,jj,:,:) = saldta(jl,jj,:,:) |
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228 | #endif |
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229 | END DO |
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230 | END DO |
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231 | END DO |
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232 | |
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233 | ENDIF |
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234 | |
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235 | ENDIF |
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236 | #endif |
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237 | |
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238 | #if defined key_orca_lev10 |
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239 | ! interpolate from 31 to 301 level the zsal field result in saldta |
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240 | DO jl = 1, 2 |
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241 | DO jjk = 1, 5 |
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242 | saldta(:,:,jjk,jl) = zsal(:,:,1,jl) |
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243 | ENDDO |
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244 | DO jk = 1, jpk - 20, 10 |
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245 | ikr = INT( jk / 10 ) + 1 |
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246 | ikw = (ikr-1) * 10 + 1 |
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247 | ikt = ikw + 5 |
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248 | DO jjk = ikt , ikt + 9 |
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249 | zfac = ( gdept(jjk) - gdepw(ikt) ) / ( gdepw(ikt+10) - gdepw(ikt) ) |
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250 | saldta(:,:,jjk,jl) = zsal(:,:,ikr,jl) + ( zsal(:,:,ikr+1,jl) - zsal(:,:,ikr,jl) ) * zfac |
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251 | END DO |
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252 | END DO |
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253 | DO jjk = jpk-5, jpk |
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254 | saldta(:,:,jjk,jl) = zsal(:,:,jpkdta-1,jl) |
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255 | END DO |
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256 | ! fill the overlap areas |
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257 | CALL lbc_lnk (saldta(:,:,:,jl),'Z',-999.,'no0') |
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258 | END DO |
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259 | |
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260 | #endif |
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261 | |
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262 | IF( ln_sco ) THEN |
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263 | DO jl = 1, 2 |
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264 | DO jj = 1, jpj ! interpolation of salinites |
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265 | DO ji = 1, jpi |
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266 | DO jk = 1, jpk |
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267 | zl=fsdept(ji,jj,jk) |
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268 | IF(zl < gdept_0(1)) zsaldta(jk,jl) = saldta(ji,jj,1,jl) |
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269 | IF(zl > gdept_0(jpk)) zsaldta(jk,jl) = saldta(ji,jj,jpkm1,jl) |
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270 | DO jkk = 1, jpkm1 |
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271 | IF((zl-gdept_0(jkk))*(zl-gdept_0(jkk+1)).le.0.0) THEN |
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272 | zsaldta(jk,jl) = saldta(ji,jj,jkk,jl) & |
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273 | & + (zl-gdept_0(jkk))/(gdept_0(jkk+1)-gdept_0(jkk)) & |
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274 | & *(saldta(ji,jj,jkk+1,jl) - saldta(ji,jj,jkk,jl)) |
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275 | ENDIF |
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276 | END DO |
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277 | END DO |
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278 | DO jk = 1, jpkm1 |
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279 | saldta(ji,jj,jk,jl) = zsaldta(jk,jl) |
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280 | END DO |
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281 | saldta(ji,jj,jpk,jl) = 0.0 |
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282 | END DO |
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283 | END DO |
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284 | END DO |
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285 | |
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286 | IF(lwp) WRITE(numout,*) |
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287 | IF(lwp) WRITE(numout,*) ' Levitus salinity data interpolated to s-coordinate' |
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288 | IF(lwp) WRITE(numout,*) |
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289 | |
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290 | ELSE |
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291 | ! ! Mask |
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292 | DO jl = 1, 2 |
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293 | saldta(:,:,:,jl) = saldta(:,:,:,jl)*tmask(:,:,:) |
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294 | saldta(:,:,jpk,jl) = 0. |
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295 | IF( ln_zps ) THEN ! z-coord. partial steps |
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296 | DO jj = 1, jpj ! interpolation of salinity at the last ocean level (i.e. the partial step) |
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297 | DO ji = 1, jpi |
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298 | ik = mbathy(ji,jj) - 1 |
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299 | IF( ik > 2 ) THEN |
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300 | zl = ( gdept_0(ik) - fsdept(ji,jj,ik) ) / ( gdept_0(ik) - gdept_0(ik-1) ) |
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301 | saldta(ji,jj,ik,jl) = (1.-zl) * saldta(ji,jj,ik,jl) +zl * saldta(ji,jj,ik-1,jl) |
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302 | ENDIF |
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303 | END DO |
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304 | END DO |
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305 | ENDIF |
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306 | END DO |
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307 | ENDIF |
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308 | |
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309 | |
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310 | IF(lwp) THEN |
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311 | WRITE(numout,*)' salinity Levitus month ',nsal1,nsal2 |
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312 | WRITE(numout,*) |
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313 | WRITE(numout,*) ' Levitus month = ',nsal1,' level = 1' |
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314 | CALL prihre(saldta(:,:,1,1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) |
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315 | WRITE(numout,*) ' Levitus month = ',nsal1,' level = ',jpk/2 |
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316 | CALL prihre(saldta(:,:,jpk/2,1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) |
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317 | WRITE(numout,*) ' Levitus month = ',nsal1,' level = ',jpkm1 |
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318 | CALL prihre(saldta(:,:,jpkm1,1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) |
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319 | ENDIF |
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320 | ENDIF |
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321 | |
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322 | |
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323 | ! 3. At every time step compute salinity data |
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324 | ! ------------------------------------------- |
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325 | |
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326 | zxy = FLOAT(nday + 15 - 30*i15)/30. |
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327 | s_dta(:,:,:) = ( 1.- zxy ) * saldta(:,:,:,1) + zxy * saldta(:,:,:,2) |
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328 | |
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329 | ! Close the file |
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330 | ! -------------- |
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331 | |
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332 | IF( kt == nitend ) CALL iom_close (numsdt) |
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333 | |
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334 | END SUBROUTINE dta_sal |
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335 | |
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336 | #else |
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337 | !!---------------------------------------------------------------------- |
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338 | !! Default option: NO salinity data |
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339 | !!---------------------------------------------------------------------- |
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340 | LOGICAL , PUBLIC, PARAMETER :: lk_dtasal = .FALSE. !: salinity data flag |
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341 | CONTAINS |
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342 | SUBROUTINE dta_sal( kt ) ! Empty routine |
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343 | WRITE(*,*) 'dta_sal: You should not have seen this print! error?', kt |
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344 | END SUBROUTINE dta_sal |
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345 | #endif |
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346 | !!====================================================================== |
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347 | END MODULE dtasal |
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