1 | MODULE trcdta |
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2 | !!====================================================================== |
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3 | !! *** MODULE trcdta *** |
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4 | !! TOP : reads passive tracer data |
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5 | !!===================================================================== |
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6 | !! History : 1.0 ! 2002-04 (O. Aumont) original code |
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7 | !! - ! 2004-03 (C. Ethe) module |
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8 | !! - ! 2005-03 (O. Aumont, A. El Moussaoui) F90 |
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9 | !!---------------------------------------------------------------------- |
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10 | #if defined key_top && defined key_dtatrc |
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11 | !!---------------------------------------------------------------------- |
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12 | !! 'key_top' and 'key_dtatrc' TOP model + passive tracer data |
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13 | !!---------------------------------------------------------------------- |
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14 | !! trc_dta : read ocean passive tracer data |
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15 | !!---------------------------------------------------------------------- |
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16 | USE oce_trc |
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17 | USE par_trc |
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18 | USE trc |
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19 | USE lib_print |
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20 | USE iom |
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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 | PUBLIC trc_dta ! called in trcini.F90 and trcdmp.F90 |
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26 | |
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27 | LOGICAL , PUBLIC, PARAMETER :: lk_dtatrc = .TRUE. !: temperature data flag |
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28 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk,jptra) :: trdta !: tracer data at given time-step |
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29 | |
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30 | REAL(wp), DIMENSION(jpi,jpj,jpk,jptra,2) :: tracdta ! tracer data at two consecutive times |
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31 | INTEGER , DIMENSION(jptra) :: nlectr !: switch for reading once |
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32 | INTEGER , DIMENSION(jptra) :: ntrc1 !: number of first month when reading 12 monthly value |
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33 | INTEGER , DIMENSION(jptra) :: ntrc2 !: number of second month when reading 12 monthly value |
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34 | |
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35 | !! * Substitutions |
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36 | # include "top_substitute.h90" |
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37 | !!---------------------------------------------------------------------- |
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38 | !! NEMO/TOP 1.0 , LOCEAN-IPSL (2005) |
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39 | !! $Id$ |
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40 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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41 | !!---------------------------------------------------------------------- |
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42 | |
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43 | CONTAINS |
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44 | |
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45 | !!---------------------------------------------------------------------- |
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46 | !! Default case NetCDF file |
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47 | !!---------------------------------------------------------------------- |
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48 | |
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49 | SUBROUTINE trc_dta( kt ) |
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50 | !!---------------------------------------------------------------------- |
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51 | !! *** ROUTINE trc_dta *** |
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52 | !! |
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53 | !! ** Purpose : Reads passive tracer data (Levitus monthly data) |
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54 | !! |
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55 | !! ** Method : Read on unit numtr the interpolated tracer concentra- |
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56 | !! tion onto the global grid. Data begin at january. |
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57 | !! The value is centered at the middle of month. |
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58 | !! In the opa model, kt=1 agree with january 1. |
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59 | !! At each time step, a linear interpolation is applied between |
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60 | !! two monthly values. |
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61 | !!---------------------------------------------------------------------- |
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62 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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63 | !! |
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64 | CHARACTER (len=39) :: clname(jptra) |
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65 | INTEGER, PARAMETER :: & |
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66 | jpmonth = 12 ! number of months |
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67 | INTEGER :: ji, jj, jn, jl |
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68 | INTEGER :: imois, iman, i15, ik ! temporary integers |
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69 | REAL(wp) :: zxy, zl |
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70 | !!---------------------------------------------------------------------- |
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71 | |
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72 | DO jn = 1, jptra |
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73 | |
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74 | IF( lutini(jn) ) THEN |
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75 | |
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76 | IF ( kt == nittrc000 ) THEN |
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77 | !! 3D tracer data |
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78 | IF(lwp)WRITE(numout,*) |
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79 | IF(lwp)WRITE(numout,*) ' dta_trc: reading tracer' |
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80 | IF(lwp)WRITE(numout,*) ' data file ', jn, ctrcnm(jn) |
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81 | IF(lwp)WRITE(numout,*) |
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82 | nlectr(jn) = 0 |
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83 | ENDIF |
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84 | ! Initialization |
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85 | iman = jpmonth |
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86 | i15 = nday / 16 |
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87 | imois = nmonth + i15 -1 |
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88 | IF( imois == 0 ) imois = iman |
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89 | |
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90 | |
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91 | ! First call kt=nit000 |
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92 | ! -------------------- |
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93 | |
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94 | IF ( kt == nittrc000 .AND. nlectr(jn) == 0 ) THEN |
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95 | ntrc1(jn) = 0 |
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96 | IF(lwp) WRITE(numout,*) ' trc_dta : Levitus tracer data monthly fields' |
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97 | ! open file |
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98 | # if defined key_pisces |
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99 | clname(jn) = 'data_1m_'//TRIM(ctrcnm(jn))//'_nomask' |
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100 | # else |
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101 | clname(jn) = TRIM(ctrcnm(jn)) |
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102 | # endif |
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103 | CALL iom_open ( clname(jn), numtr(jn) ) |
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104 | |
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105 | ENDIF |
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106 | |
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107 | # if defined key_pisces |
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108 | ! Read montly file |
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109 | IF( ( kt == nittrc000 .AND. nlectr(jn) == 0) .OR. imois /= ntrc1(jn) ) THEN |
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110 | nlectr(jn) = 1 |
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111 | |
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112 | ! Calendar computation |
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113 | |
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114 | ! ntrc1 number of the first file record used in the simulation |
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115 | ! ntrc2 number of the last file record |
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116 | |
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117 | ntrc1(jn) = imois |
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118 | ntrc2(jn) = ntrc1(jn) + 1 |
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119 | ntrc1(jn) = MOD( ntrc1(jn), iman ) |
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120 | IF ( ntrc1(jn) == 0 ) ntrc1(jn) = iman |
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121 | ntrc2(jn) = MOD( ntrc2(jn), iman ) |
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122 | IF ( ntrc2(jn) == 0 ) ntrc2(jn) = iman |
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123 | IF(lwp) WRITE(numout,*) 'first record file used ntrc1 ', ntrc1(jn) |
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124 | IF(lwp) WRITE(numout,*) 'last record file used ntrc2 ', ntrc2(jn) |
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125 | |
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126 | ! Read montly passive tracer data Levitus |
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127 | |
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128 | CALL iom_get ( numtr(jn), jpdom_data, ctrcnm(jn), tracdta(:,:,:,jn,1), ntrc1(jn) ) |
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129 | CALL iom_get ( numtr(jn), jpdom_data, ctrcnm(jn), tracdta(:,:,:,jn,2), ntrc2(jn) ) |
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130 | |
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131 | IF(lwp) THEN |
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132 | WRITE(numout,*) |
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133 | WRITE(numout,*) ' read tracer data ', ctrcnm(jn),' ok' |
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134 | WRITE(numout,*) |
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135 | ENDIF |
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136 | |
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137 | ! Apply Mask |
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138 | DO jl = 1, 2 |
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139 | tracdta(:,:,: ,jn,jl) = tracdta(:,:,:,jn,jl) * tmask(:,:,:) |
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140 | tracdta(:,:,jpk,jn,jl) = 0. |
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141 | IF( ln_zps ) THEN ! z-coord. with partial steps |
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142 | DO jj = 1, jpj ! interpolation of temperature at the last level |
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143 | DO ji = 1, jpi |
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144 | ik = mbathy(ji,jj) - 1 |
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145 | IF( ik > 2 ) THEN |
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146 | zl = ( gdept_0(ik) - fsdept_0(ji,jj,ik) ) / ( gdept_0(ik) - gdept_0(ik-1) ) |
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147 | tracdta(ji,jj,ik,jn,jl) = (1.-zl) * tracdta(ji,jj,ik ,jn,jl) & |
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148 | & + zl * tracdta(ji,jj,ik-1,jn,jl) |
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149 | ENDIF |
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150 | END DO |
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151 | END DO |
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152 | ENDIF |
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153 | |
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154 | END DO |
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155 | |
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156 | ENDIF |
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157 | |
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158 | IF(lwp) THEN |
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159 | WRITE(numout,*) ctrcnm(jn), 'Levitus month ', ntrc1(jn), ntrc2(jn) |
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160 | WRITE(numout,*) |
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161 | WRITE(numout,*) ' Levitus month = ', ntrc1(jn), ' level = 1' |
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162 | CALL prihre( tracdta(1,1,1,jn,1), jpi, jpj, 1, jpi, 20, 1 & |
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163 | & ,jpj, 20, 1., numout ) |
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164 | WRITE(numout,*) ' Levitus month = ', ntrc1(jn), ' level = ',jpk/2 |
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165 | CALL prihre( tracdta(1,1,jpk/2,jn,1), jpi, jpj, 1, jpi, & |
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166 | & 20, 1, jpj, 20, 1., numout ) |
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167 | WRITE(numout,*) ' Levitus month = ',ntrc1(jn),' level = ',jpkm1 |
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168 | CALL prihre( tracdta(1,1,jpkm1,jn,1), jpi, jpj, 1, jpi, & |
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169 | & 20, 1, jpj, 20, 1., numout ) |
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170 | ENDIF |
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171 | |
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172 | ! At every time step compute temperature data |
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173 | zxy = FLOAT( nday + 15 - 30 * i15 ) / 30. |
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174 | trdta(:,:,:,jn) = ( 1. - zxy ) * tracdta(:,:,:,jn,1) & |
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175 | & + zxy * tracdta(:,:,:,jn,2) |
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176 | |
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177 | IF( jn == jpno3 ) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 7.6e-6 |
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178 | IF( jn == jpdic ) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.0e-6 |
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179 | IF( jn == jptal ) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.0e-6 |
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180 | IF( jn == jpoxy ) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 44.6e-6 |
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181 | IF( jn == jpsil ) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.0e-6 |
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182 | IF( jn == jppo4 ) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 122.0e-6 |
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183 | |
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184 | ! Close the file |
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185 | ! -------------- |
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186 | |
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187 | IF( kt == nitend ) CALL iom_close( numtr(jn) ) |
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188 | |
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189 | # else |
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190 | ! Read init file only |
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191 | IF( kt == nittrc000 ) THEN |
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192 | ntrc1(jn) = 1 |
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193 | CALL iom_get ( numtr(jn), jpdom_data, ctrcnm(jn), trdta(:,:,:,jn), ntrc1(jn) ) |
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194 | trdta(:,:,:,jn) = trdta(:,:,:,jn) * tmask(:,:,:) |
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195 | CALL iom_close ( numtr(jn) ) |
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196 | ENDIF |
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197 | # endif |
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198 | |
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199 | ENDIF |
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200 | |
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201 | END DO |
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202 | ! |
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203 | END SUBROUTINE trc_dta |
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204 | |
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205 | #else |
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206 | !!---------------------------------------------------------------------- |
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207 | !! Dummy module NO 3D passive tracer data |
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208 | !!---------------------------------------------------------------------- |
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209 | LOGICAL , PUBLIC, PARAMETER :: lk_dtatrc = .FALSE. !: temperature data flag |
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210 | CONTAINS |
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211 | SUBROUTINE trc_dta( kt ) ! Empty routine |
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212 | WRITE(*,*) 'trc_dta: You should not have seen this print! error?', kt |
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213 | END SUBROUTINE trc_dta |
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214 | #endif |
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215 | |
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216 | !!====================================================================== |
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217 | END MODULE trcdta |
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