1 | MODULE trcdta |
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2 | !!====================================================================== |
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3 | !! *** MODULE trcdta *** |
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4 | !! Ocean data : reads passive tracer data |
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5 | !!===================================================================== |
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6 | !! TOP 1.0, LOCEAN-IPSL (2005) |
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7 | !! $Header$ |
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8 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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9 | !!---------------------------------------------------------------------- |
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10 | |
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11 | #if defined key_passivetrc && defined key_trc_dta |
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12 | !!---------------------------------------------------------------------- |
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13 | !! 'key_trc_dta' 3D tracer data field |
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14 | !!---------------------------------------------------------------------- |
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15 | !! dta_trc : read ocean passive tracer data |
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16 | !!---------------------------------------------------------------------- |
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17 | !! * Modules used |
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18 | USE oce_trc |
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19 | USE trc |
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20 | USE par_sms |
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21 | USE lib_print |
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22 | |
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23 | IMPLICIT NONE |
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24 | PRIVATE |
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25 | |
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26 | !! * Routine accessibility |
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27 | PUBLIC dta_trc ! called by trcdtr.F90 and trcdmp.F90 |
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28 | |
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29 | !! * Shared module variables |
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30 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk,jptra) :: & !: |
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31 | trdta !: tracer data at given time-step |
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32 | |
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33 | !! * Module variables |
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34 | REAL(wp), DIMENSION(jpi,jpj,jpk,jptra,2) :: & |
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35 | tracdta ! tracer data at two consecutive times |
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36 | INTEGER , DIMENSION(jptra) :: & |
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37 | nlectr , & !!: switch for reading once |
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38 | ntrc1 , & !!: number of first month when reading 12 monthly value |
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39 | ntrc2 !!: number of second month when reading 12 monthly value |
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40 | |
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41 | !! * Substitutions |
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42 | # include "passivetrc_substitute.h90" |
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43 | |
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44 | !!---------------------------------------------------------------------- |
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45 | !! OPA 9.0 , LODYC-IPSL (2003) |
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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 case NetCDF file |
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52 | !!---------------------------------------------------------------------- |
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53 | |
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54 | SUBROUTINE dta_trc( kt ) |
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55 | !!---------------------------------------------------------------------- |
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56 | !! *** ROUTINE dta_trc *** |
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57 | !! |
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58 | !! ** Purpose : Reads passive tracer data (Levitus monthly data) |
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59 | !! |
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60 | !! ** Method : Read on unit numtr the interpolated tracer concentra- |
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61 | !! tion onto the global grid. Data begin at january. |
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62 | !! The value is centered at the middle of month. |
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63 | !! In the opa model, kt=1 agree with january 1. |
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64 | !! At each time step, a linear interpolation is applied between |
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65 | !! two monthly values. |
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66 | !! |
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67 | !! History : |
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68 | !! 8.2 ! 02-04 (O. Aumont) Original code |
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69 | !! 9.0 ! 04-03 (C. Ethe) |
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70 | !! 9.0 ! 05-03 (O. Aumont and A. El Moussaoui) F90 |
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71 | !!---------------------------------------------------------------------- |
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72 | !! * Modules used |
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73 | USE ioipsl |
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74 | |
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75 | !! * Arguments |
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76 | !! * Arguments |
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77 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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78 | |
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79 | !! * Local declarations |
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80 | INTEGER :: ji, jj, jn, jl |
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81 | INTEGER, PARAMETER :: & |
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82 | jpmois = 12 ! number of months |
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83 | |
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84 | INTEGER :: & |
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85 | imois, iman, i15, itime, ik, & ! temporary integers |
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86 | ipi, ipj, ipk ! " " |
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87 | INTEGER :: istep(jpmois) |
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88 | CHARACTER (len=39) :: clname(jptra) |
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89 | REAL(wp), DIMENSION (jpi,jpj) :: zlon, zlat |
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90 | REAL(wp), DIMENSION (jpk) :: zlev |
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91 | REAL(wp) :: zdate0, zxy, zl |
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92 | !!---------------------------------------------------------------------- |
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93 | |
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94 | DO jn = 1, jptra |
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95 | |
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96 | IF( lutini(jn) ) THEN |
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97 | |
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98 | IF ( kt == nit000 ) THEN |
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99 | !! 3D tracer data |
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100 | IF(lwp)WRITE(numout,*) |
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101 | IF(lwp)WRITE(numout,*) ' dta_trc: reading tracer' |
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102 | IF(lwp)WRITE(numout,*) ' data file ', jn, ctrcnm(jn) |
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103 | IF(lwp)WRITE(numout,*) |
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104 | nlectr(jn) = 0 |
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105 | ENDIF |
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106 | ! Initialization |
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107 | iman = jpmois |
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108 | i15 = nday/16 |
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109 | imois = nmonth + i15 -1 |
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110 | IF( imois == 0 ) imois = iman |
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111 | itime = jpmois |
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112 | ipi = jpiglo |
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113 | ipj = jpjglo |
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114 | ipk = jpk |
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115 | |
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116 | ! First call kt=nit000 |
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117 | ! -------------------- |
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118 | |
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119 | IF ( kt == nit000 .AND. nlectr(jn) == 0 ) THEN |
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120 | ntrc1(jn) = 0 |
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121 | IF(lwp) THEN |
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122 | WRITE(numout,*) |
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123 | WRITE(numout,*) ' Tracer data fields' |
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124 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~' |
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125 | WRITE(numout,*) ' NetCDF FORMAT' |
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126 | WRITE(numout,*) |
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127 | ENDIF |
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128 | |
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129 | ! open file |
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130 | #if defined key_trc_pisces |
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131 | clname(jn) = 'LEVITUS_'//ctrcnm(jn) |
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132 | #else |
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133 | itime=1 |
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134 | clname(jn) = ctrcnm(jn) |
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135 | #endif |
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136 | CALL flinopen(TRIM(clname(jn)),mig(1),nlci,mjg(1),nlcj, & |
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137 | .FALSE.,ipi,ipj,ipk,zlon,zlat,zlev,itime, & |
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138 | istep,zdate0,rdt,numtr(jn) ) |
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139 | |
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140 | #if defined key_trc_pisces |
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141 | ! title, dimensions and tests |
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142 | IF( itime /= jpmois ) THEN |
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143 | IF(lwp) THEN |
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144 | WRITE(numout,*) ' ' |
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145 | WRITE(numout,*) 'problem with time coordinates' |
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146 | WRITE(numout,*) ' itime ',itime,' jpmois ',jpmois |
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147 | ENDIF |
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148 | STOP 'dta_trc' |
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149 | ENDIF |
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150 | #endif |
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151 | |
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152 | IF( ipi /= jpidta .OR. ipj /= jpjdta .OR. ipk /= jpk ) THEN |
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153 | IF(lwp) THEN |
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154 | WRITE(numout,*) ' ' |
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155 | WRITE(numout,*) 'problem with dimensions' |
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156 | WRITE(numout,*) ' ipi ',ipi,' jpidta ',jpidta |
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157 | WRITE(numout,*) ' ipj ',ipj,' jpjdta ',jpjdta |
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158 | WRITE(numout,*) ' ipk ',ipk,' jpk ',jpk |
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159 | ENDIF |
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160 | STOP 'dta_trc' |
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161 | ENDIF |
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162 | IF(lwp)WRITE(numout,*) itime,istep(1),zdate0,rdt,numtr(jn) |
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163 | trdta(:,:,:,jn) = 0. |
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164 | |
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165 | ENDIF |
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166 | |
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167 | #if defined key_trc_pisces |
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168 | ! Read montly file |
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169 | IF( ( kt == nit000 .AND. nlectr(jn) == 0) & |
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170 | .OR. imois /= ntrc1(jn) ) THEN |
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171 | nlectr(jn) = 1 |
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172 | |
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173 | ! Calendar computation |
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174 | |
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175 | ! ntrc1 number of the first file record used in the simulation |
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176 | ! ntrc2 number of the last file record |
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177 | |
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178 | ntrc1(jn) = imois |
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179 | ntrc2(jn) = ntrc1(jn) + 1 |
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180 | ntrc1(jn) = MOD( ntrc1(jn), iman ) |
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181 | IF ( ntrc1(jn) == 0 ) ntrc1(jn) = iman |
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182 | ntrc2(jn) = MOD( ntrc2(jn), iman ) |
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183 | IF ( ntrc2(jn) == 0 ) ntrc2(jn) = iman |
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184 | IF(lwp) WRITE(numout,*) 'first record file used ntrc1 ', ntrc1(jn) |
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185 | IF(lwp) WRITE(numout,*) 'last record file used ntrc2 ', ntrc2(jn) |
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186 | |
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187 | ! Read montly passive tracer data Levitus |
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188 | |
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189 | CALL flinget( numtr(jn),ctrcnm(jn),jpidta,jpjdta,jpk, & |
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190 | jpmois,ntrc1(jn),ntrc1(jn),mig(1),nlci,mjg(1),nlcj, & |
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191 | tracdta(1:nlci,1:nlcj,1:jpk,jn,1) ) |
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192 | |
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193 | CALL flinget( numtr(jn),ctrcnm(jn),jpidta,jpjdta,jpk, & |
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194 | jpmois,ntrc2(jn),ntrc2(jn),mig(1),nlci,mjg(1),nlcj, & |
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195 | tracdta(1:nlci,1:nlcj,1:jpk,jn,2) ) |
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196 | |
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197 | IF(lwp) THEN |
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198 | WRITE(numout,*) |
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199 | WRITE(numout,*) ' read tracer data ', ctrcnm(jn),' ok' |
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200 | WRITE(numout,*) |
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201 | ENDIF |
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202 | |
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203 | ! Apply Mask |
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204 | DO jl = 1, 2 |
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205 | tracdta(:,:,: ,jn,jl) = tracdta(:,:,:,jn,jl) * tmask(:,:,:) |
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206 | tracdta(:,:,jpk,jn,jl) = 0. |
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207 | IF( lk_zps ) THEN ! z-coord. with partial steps |
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208 | DO jj = 1, jpj ! interpolation of temperature at the last level |
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209 | DO ji = 1, jpi |
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210 | ik = mbathy(ji,jj) - 1 |
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211 | IF( ik > 2 ) THEN |
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212 | zl = ( gdept(ik) - fsdept(ji,jj,ik) ) / ( gdept(ik) - gdept(ik-1) ) |
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213 | tracdta(ji,jj,ik,jn,jl) = (1.-zl) * tracdta(ji,jj,ik,jn,jl) + zl * tracdta(ji,jj,ik-1,jn,jl) |
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214 | ENDIF |
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215 | END DO |
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216 | END DO |
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217 | ENDIF |
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218 | |
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219 | END DO |
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220 | |
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221 | ENDIF |
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222 | |
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223 | IF(lwp) THEN |
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224 | WRITE(numout,*) ctrcnm(jn), 'Levitus month ', ntrc1(jn), & |
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225 | ntrc2(jn) |
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226 | WRITE(numout,*) |
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227 | WRITE(numout,*) ' Levitus month = ', ntrc1(jn), & |
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228 | ' level = 1' |
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229 | CALL prihre( tracdta(1,1,1,jn,1), jpi, jpj, 1, jpi, 20, 1 & |
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230 | ,jpj, 20, 1., numout ) |
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231 | WRITE(numout,*) ' Levitus month = ', ntrc1(jn), & |
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232 | ' level = ',jpk/2 |
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233 | CALL prihre( tracdta(1,1,jpk/2,jn,1), jpi, jpj, 1, jpi, & |
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234 | 20, 1, jpj, 20, 1., numout ) |
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235 | WRITE(numout,*) ' Levitus month = ',ntrc1(jn) & |
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236 | ,' level = ',jpkm1 |
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237 | CALL prihre( tracdta(1,1,jpkm1,jn,1), jpi, jpj, 1, jpi, & |
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238 | 20, 1, jpj, 20, 1., numout ) |
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239 | ENDIF |
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240 | |
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241 | ! At every time step compute temperature data |
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242 | |
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243 | zxy = FLOAT( nday + 15 - 30 * i15 ) / 30. |
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244 | trdta(:,:,:,jn)= ( 1. - zxy ) * tracdta(:,:,:,jn,1) & |
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245 | + zxy * tracdta(:,:,:,jn,2) |
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246 | |
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247 | IF( jn == jpno3) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 7.6E-6 |
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248 | IF( jn == jpdic) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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249 | IF( jn == jptal) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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250 | IF( jn == jpoxy) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 44.6E-6 |
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251 | IF( jn == jpsil) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 1.E-6 |
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252 | IF( jn == jppo4) trdta(:,:,:,jn) = trdta(:,:,:,jn) * 122.E-6 |
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253 | #else |
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254 | ! Read init file only |
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255 | IF( kt == nit000 ) THEN |
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256 | CALL flinget( numtr(jn),ctrcnm(jn),jpidta,jpjdta,jpk, & |
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257 | 1,1,1,mig(1),nlci,mjg(1),nlcj, & |
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258 | trdta(1:nlci,1:nlcj,1:jpk,jn) ) |
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259 | trdta(:,:,:,jn)=trdta(:,:,:,jn)*tmask(:,:,:) |
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260 | ENDIF |
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261 | #endif |
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262 | |
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263 | ENDIF |
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264 | |
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265 | END DO |
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266 | |
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267 | END SUBROUTINE dta_trc |
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268 | |
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269 | #else |
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270 | |
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271 | !!---------------------------------------------------------------------- |
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272 | !! Default case NO 3D passive tracer data field |
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273 | !!---------------------------------------------------------------------- |
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274 | CONTAINS |
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275 | SUBROUTINE dta_trc( kt ) ! Empty routine |
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276 | WRITE(*,*) 'dta_trc: You should not have seen this print! error?', kt |
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277 | END SUBROUTINE dta_trc |
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278 | |
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279 | #endif |
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280 | |
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281 | END MODULE trcdta |
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