1 | MODULE diaar5 |
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2 | !!====================================================================== |
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3 | !! *** MODULE diaar5 *** |
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4 | !! AR5 diagnostics |
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5 | !!====================================================================== |
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6 | !! History : 3.2 ! 2009-11 (S. Masson) Original code |
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7 | !!---------------------------------------------------------------------- |
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8 | #if defined key_diaar5 |
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9 | !!---------------------------------------------------------------------- |
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10 | !! 'key_diaar5' : activate ar5 diagnotics |
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11 | !!---------------------------------------------------------------------- |
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12 | !! exa_mpl : liste of module subroutine (caution, never use the |
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13 | !! exa_mpl_init : name of the module for a routine) |
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14 | !! exa_mpl_stp : Please try to use 3 letter block for routine names |
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15 | !!---------------------------------------------------------------------- |
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16 | USE oce ! ocean dynamics and active tracers |
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17 | USE dom_oce ! ocean space and time domain |
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18 | USE eosbn2 ! equation of state (eos_bn2 routine) |
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19 | USE lib_mpp ! distribued memory computing library |
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20 | USE iom ! I/O manager library |
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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 dia_ar5 ! routine called in step.F90 module |
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26 | |
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27 | LOGICAL, PUBLIC, PARAMETER :: lk_diaar5 = .TRUE. ! coupled flag |
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28 | |
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29 | REAL(wp) :: vol0 ! ocean volume (interior domain) |
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30 | REAL(wp) :: area_tot ! total ocean surface (interior domain) |
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31 | REAL(wp), DIMENSION(jpi,jpj ) :: area ! cell surface (interior domain) |
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32 | REAL(wp), DIMENSION(jpi,jpj ) :: thick0 ! ocean thickness (interior domain) |
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33 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: sn0 ! initial salinity |
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34 | |
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35 | !! * Substitutions |
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36 | # include "domzgr_substitute.h90" |
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37 | !!---------------------------------------------------------------------- |
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38 | !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) |
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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 | SUBROUTINE dia_ar5( kt ) |
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46 | !!---------------------------------------------------------------------- |
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47 | !! *** ROUTINE dia_ar5 *** |
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48 | !! |
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49 | !! ** Purpose : Brief description of the routine |
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50 | !! |
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51 | !! ** Method : description of the methodoloy used to achieve the |
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52 | !! objectives of the routine. Be as clear as possible! |
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53 | !! |
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54 | !! ** Action : - first action (share memory array/varible modified |
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55 | !! in this routine |
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56 | !! - second action ..... |
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57 | !! - ..... |
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58 | !! |
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59 | !! References : Author et al., Short_name_review, Year |
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60 | !! Give references if exist otherwise suppress these lines |
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61 | !!---------------------------------------------------------------------- |
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62 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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63 | !! |
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64 | INTEGER :: ji, jj, jk ! dummy loop arguments |
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65 | REAL(wp) :: zvolssh, zvol, zssh_steric, zztmp, zarho, ztemp, zsal, zmass |
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66 | REAL(wp), DIMENSION(jpi,jpj ) :: zarea_ssh, zbotpres |
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67 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zrhd, zrhop |
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68 | !!-------------------------------------------------------------------- |
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69 | |
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70 | IF( kt == nit000 ) CALL dia_ar5_init ! Initialization (first time-step only) |
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71 | |
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72 | CALL iom_put( 'cellthc', fse3t(:,:,:) ) |
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73 | |
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74 | zarea_ssh(:,:) = area(:,:) * sshn(:,:) |
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75 | |
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76 | ! ! total volume of liquid seawater |
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77 | zvolssh = SUM( zarea_ssh(:,:) ) |
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78 | IF( lk_mpp ) CALL mpp_sum( zvolssh ) |
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79 | zvol = vol0 + zvolssh |
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80 | |
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81 | CALL iom_put( 'voltot', zvol ) |
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82 | CALL iom_put( 'sshtot', zvolssh / area_tot ) |
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83 | |
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84 | ! ! thermosteric ssh |
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85 | CALL eos( tn, sn0, zrhd ) ! now in situ density using initial salinity |
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86 | ! |
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87 | zbotpres(:,:) = 0.e0 ! no atmospheric surface pressure, levitating sea-ice |
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88 | DO jk = 1, jpkm1 |
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89 | zbotpres(:,:) = zbotpres(:,:) + fse3t(:,:,jk) * zrhd(:,:,jk) |
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90 | END DO |
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91 | IF( .NOT. lk_vvl ) zbotpres(:,:) = zbotpres(:,:) + sshn(:,:) * zrhd(:,:,1) |
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92 | ! |
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93 | zarho = SUM( area(:,:) * zbotpres(:,:) ) |
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94 | IF( lk_mpp ) CALL mpp_sum( zarho ) |
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95 | zssh_steric = - zarho / area_tot |
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96 | CALL iom_put( 'sshthster', zssh_steric ) |
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97 | |
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98 | ! ! steric sea surface height |
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99 | CALL eos( tn, sn, zrhd, zrhop ) ! now in situ and potential density |
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100 | zrhop(:,:,jpk) = 0.e0 |
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101 | CALL iom_put( 'rhop', zrhop ) |
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102 | ! |
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103 | zbotpres(:,:) = 0.e0 ! no atmospheric surface pressure, levitating sea-ice |
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104 | DO jk = 1, jpkm1 |
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105 | zbotpres(:,:) = zbotpres(:,:) + fse3t(:,:,jk) * zrhd(:,:,jk) |
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106 | END DO |
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107 | IF( .NOT. lk_vvl ) zbotpres(:,:) = zbotpres(:,:) + sshn(:,:) * zrhd(:,:,1) |
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108 | ! |
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109 | zarho = SUM( area(:,:) * zbotpres(:,:) ) |
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110 | IF( lk_mpp ) CALL mpp_sum( zarho ) |
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111 | zssh_steric = - zarho / area_tot |
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112 | CALL iom_put( 'sshsteric', zssh_steric ) |
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113 | |
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114 | ! ! ocean bottom pressure |
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115 | zztmp = rau0 * grav * 1.e-4 ! recover pressure from pressure anomaly and cover to dbar = 1.e4 Pa |
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116 | zbotpres(:,:) = zztmp * ( zbotpres(:,:) + sshn(:,:) + thick0(:,:) ) |
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117 | CALL iom_put( 'botpres', zbotpres ) |
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118 | |
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119 | ! ! Mean density anomalie, temperature and salinity |
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120 | ztemp = 0.e0 |
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121 | zsal = 0.e0 |
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122 | DO jk = 1, jpkm1 |
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123 | DO jj = 1, jpj |
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124 | DO ji = 1, jpi |
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125 | zztmp = area(ji,jj) * fse3t(ji,jj,jk) |
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126 | ztemp = ztemp + zztmp * tn (ji,jj,jk) |
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127 | zsal = zsal + zztmp * sn (ji,jj,jk) |
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128 | END DO |
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129 | END DO |
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130 | END DO |
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131 | IF( .NOT. lk_vvl ) THEN |
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132 | ztemp = ztemp + SUM( zarea_ssh(:,:) * tn (:,:,1) ) |
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133 | zsal = zsal + SUM( zarea_ssh(:,:) * sn (:,:,1) ) |
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134 | ENDIF |
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135 | IF( lk_mpp ) THEN |
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136 | CALL mpp_sum( ztemp ) |
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137 | CALL mpp_sum( zsal ) |
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138 | END IF |
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139 | ! |
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140 | zmass = rau0 * ( zarho + zvol ) ! total mass of liquid seawater |
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141 | ztemp = ztemp / zvol ! potential temperature in liquid seawater |
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142 | zsal = zsal / zvol ! Salinity of liquid seawater |
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143 | ! |
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144 | CALL iom_put( 'masstot', zmass ) |
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145 | CALL iom_put( 'temptot', ztemp ) |
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146 | CALL iom_put( 'saltot' , zsal ) |
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147 | ! |
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148 | END SUBROUTINE dia_ar5 |
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149 | |
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150 | |
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151 | SUBROUTINE dia_ar5_init |
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152 | !!---------------------------------------------------------------------- |
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153 | !! *** ROUTINE dia_ar5_init *** |
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154 | !! |
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155 | !! ** Purpose : initialization of .... |
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156 | !! |
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157 | !! ** Method : blah blah blah ... |
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158 | !! |
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159 | !! ** input : Namlist namexa |
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160 | !! |
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161 | !! ** Action : ... |
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162 | !!---------------------------------------------------------------------- |
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163 | INTEGER :: inum |
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164 | INTEGER :: ik |
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165 | INTEGER :: ji, jj, jk ! dummy loop indices |
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166 | REAL(wp) :: zztmp |
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167 | REAL(wp), DIMENSION(jpi,jpj,jpk, 2) :: zsaldta ! Jan/Dec levitus salinity |
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168 | !!---------------------------------------------------------------------- |
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169 | ! |
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170 | area(:,:) = e1t(:,:) * e2t(:,:) * tmask_i(:,:) |
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171 | |
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172 | area_tot = SUM( area(:,:) ) ; IF( lk_mpp ) CALL mpp_sum( area_tot ) |
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173 | |
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174 | vol0 = 0.e0 |
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175 | thick0(:,:) = 0.e0 |
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176 | DO jk = 1, jpkm1 |
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177 | vol0 = vol0 + SUM( area (:,:) * tmask(:,:,jk) * fse3t_0(:,:,jk) ) |
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178 | thick0(:,:) = thick0(:,:) + tmask_i(:,:) * tmask(:,:,jk) * fse3t_0(:,:,jk) |
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179 | END DO |
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180 | IF( lk_mpp ) CALL mpp_sum( vol0 ) |
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181 | |
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182 | CALL iom_open ( 'data_1m_salinity_nomask', inum ) |
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183 | CALL iom_get ( inum, jpdom_data, 'vosaline', zsaldta(:,:,:,1), 1 ) |
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184 | CALL iom_get ( inum, jpdom_data, 'vosaline', zsaldta(:,:,:,2), 12 ) |
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185 | CALL iom_close( inum ) |
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186 | sn0(:,:,:) = 0.5 * ( zsaldta(:,:,:,1) + zsaldta(:,:,:,2) ) |
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187 | sn0(:,:,:) = sn0(:,:,:)*tmask(:,:,:) |
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188 | IF( ln_zps ) THEN ! z-coord. partial steps |
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189 | DO jj = 1, jpj ! interpolation of salinity at the last ocean level (i.e. the partial step) |
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190 | DO ji = 1, jpi |
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191 | ik = mbathy(ji,jj) - 1 |
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192 | IF( ik > 2 ) THEN |
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193 | zztmp = ( gdept_0(ik) - fsdept_0(ji,jj,ik) ) / ( gdept_0(ik) - gdept_0(ik-1) ) |
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194 | sn0(ji,jj,ik) = (1.-zztmp) * sn0(ji,jj,ik) + zztmp * sn0(ji,jj,ik-1) |
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195 | ENDIF |
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196 | END DO |
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197 | END DO |
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198 | ENDIF |
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199 | ! |
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200 | END SUBROUTINE dia_ar5_init |
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201 | |
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202 | #else |
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203 | !!---------------------------------------------------------------------- |
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204 | !! Default option : NO diaar5 |
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205 | !!---------------------------------------------------------------------- |
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206 | |
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207 | LOGICAL, PUBLIC, PARAMETER :: lk_diaar5 = .FALSE. ! coupled flag |
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208 | |
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209 | CONTAINS |
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210 | |
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211 | SUBROUTINE dia_ar5( kt ) ! Empty routine |
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212 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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213 | WRITE(*,*) 'dia_ar5: You should not have seen this print! error?', kt |
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214 | END SUBROUTINE dia_ar5 |
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215 | #endif |
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216 | |
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217 | !!====================================================================== |
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218 | END MODULE diaar5 |
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