1 | !!---------------------------------------------------------------------- |
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2 | !! *** flx_coupled.h90 *** |
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3 | !!---------------------------------------------------------------------- |
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4 | !! flx : define the thermohaline fluxes for the ocean in |
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5 | !! coupled ocean/atmosphere case without sea-ice |
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6 | !!---------------------------------------------------------------------- |
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7 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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8 | !! $Header$ |
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9 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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10 | !!---------------------------------------------------------------------- |
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11 | |
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12 | CONTAINS |
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13 | |
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14 | SUBROUTINE flx ( kt ) |
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15 | !!--------------------------------------------------------------------- |
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16 | !! *** ROUTINE flx *** |
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17 | !! |
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18 | !! ** Purpose : provide the thermohaline fluxes (heat and freshwater) |
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19 | !! to the ocean at each time step. |
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20 | !! |
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21 | !! ** Method : Read fluxes from a coupled Atmospheric model |
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22 | !! |
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23 | !! References : The OASIS User Guide, Version 2.0, CERFACS/TR 95/46 |
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24 | !! |
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25 | !! History : |
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26 | !! ! 92-06 (L.Terray) Original code |
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27 | !! 8.0 ! 96-11 (E.Guilyardi) |
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28 | !! ! 98-04 (M.A Foujols, S. Valcke, M. Imbard) OASIS2.2 |
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29 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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30 | !!---------------------------------------------------------------------- |
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31 | !! CAUTION : not checked for MPP : J.M.M |
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32 | !!---------------------------------------------------------------------- |
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33 | !! * Modules used |
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34 | USE ioipsl ! NetCDF IPSL library |
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35 | USE cpl_oce ! coupled ocean-atmosphere variables |
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36 | USE flxrnf ! ocean runoffs |
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37 | |
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38 | !! * arguments |
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39 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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40 | |
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41 | !! * Local declarations |
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42 | INTEGER :: ji, jj, jf |
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43 | INTEGER :: itm1, isize, iflag |
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44 | ! INTEGER :: icpliter |
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45 | INTEGER :: info, inuread, index |
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46 | |
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47 | REAL(wp) :: zfacflx,zfacwat |
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48 | REAL(wp), DIMENSION(jpidta,jpjdta) :: & |
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49 | znsolc , zqsrc , & ! ??? |
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50 | zrunoff , zec , & ! |
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51 | zqsrice , zqsrwat , & ! |
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52 | znsolice, znsolwat, & ! |
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53 | znsicedt, zevice , & ! |
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54 | zevwat , zpliq , & ! |
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55 | zpsol , zruncot , & ! |
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56 | zrunriv |
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57 | |
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58 | ! Addition for SIPC CASE |
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59 | ! CHARACTER (len=3) :: clmodinf ! Header or not |
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60 | ! CHARACTER (len=3) :: cljobnam_r ! Experiment name in the field brick, if any |
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61 | INTEGER infos(3) ! infos in the field brick, if any |
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62 | !!--------------------------------------------------------------------- |
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63 | |
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64 | |
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65 | ! Initialization |
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66 | ! -------------- |
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67 | |
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68 | isize = jpiglo * jpjglo |
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69 | itm1 = ( kt - nit000 + 1 ) - 1 |
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70 | |
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71 | ! caution, I presume that you have good UNIT system from coupler to OPA |
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72 | ! that is : |
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73 | ! watt/m2 for znsolc and zqsrc |
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74 | ! kg/m2/s for evaporation, precipitation and runoff |
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75 | |
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76 | zfacflx = 1. |
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77 | zfacwat = 1. |
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78 | |
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79 | |
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80 | ! Test if we couple at the current timestep |
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81 | ! ----------------------------------------- |
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82 | |
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83 | IF( MOD( kt, nexco ) == 1 ) THEN |
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84 | |
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85 | ! Test what kind of message passing we are using |
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86 | |
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87 | IF(lwp) WRITE(numout,*) |
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88 | IF(lwp) WRITE(numout,*)'FLX: Read fields from CPL, itm1=',itm1 |
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89 | IF(lwp) WRITE(numout,*) |
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90 | CALL FLUSH (numout) |
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91 | |
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92 | IF( cchan == 'PIPE' ) THEN |
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93 | ! pipe mode |
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94 | |
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95 | ! UNIT number for fields |
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96 | |
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97 | inuread = 99 |
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98 | |
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99 | ! exchanges from to atmosphere=CPL to ocean |
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100 | |
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101 | DO jf = 1, nflxc2o |
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102 | ! CALL PIPE_Model_Recv(cpl_readflx(jf), icpliter, numout) |
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103 | OPEN (inuread, FILE=cpl_f_readflx(jf), FORM='UNFORMATTED') |
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104 | IF(jf == 1) CALL locread(cpl_readflx(jf),znsolc ,isize,inuread,iflag,numout) |
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105 | IF(jf == 2) CALL locread(cpl_readflx(jf),zqsrc ,isize,inuread,iflag,numout) |
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106 | IF(jf == 3) CALL locread(cpl_readflx(jf),zec ,isize,inuread,iflag,numout) |
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107 | IF(jf == 4) CALL locread(cpl_readflx(jf),zrunoff,isize,inuread,iflag,numout) |
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108 | CLOSE (inuread) |
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109 | END DO |
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110 | |
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111 | ELSE IF( cchan == 'SIPC' ) THEN |
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112 | ! SIPC mode |
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113 | |
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114 | ! Define IF a header must be encapsulated within the field brick : |
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115 | clmodinf = 'NOT' ! as $MODINFO in namcouple |
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116 | |
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117 | ! reading of input field non solar flux SONSHLDO |
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118 | index = 1 |
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119 | ! CALL SIPC_Read_Model(index, isize, clmodinf, cljobnam_r, infos, znsolc ) |
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120 | |
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121 | ! reading of input field solar heat flux SOSHFLDO |
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122 | index = 2 |
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123 | ! CALL SIPC_Read_Model(index, isize, clmodinf, cljobnam_r, infos, zqsrc ) |
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124 | |
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125 | ! reading of input field water flux SOWAFLDO |
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126 | index = 3 |
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127 | ! CALL SIPC_Read_Model(index, isize, clmodinf, cljobnam_r, infos, zec ) |
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128 | |
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129 | ! reading of input field runoff SORUNOFF |
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130 | index = 4 |
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131 | ! CALL SIPC_Read_Model(index, isize, clmodinf, cljobnam_r, infos, zrunoff) |
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132 | |
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133 | ELSE IF( cchan == 'CLIM' ) THEN |
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134 | ! CLIM mode |
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135 | IF(lwp) WRITE (numout,*) 'Reading flux from coupler ' |
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136 | ! exchanges from atmosphere=CPL to ocean |
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137 | DO jf = 1, nflxc2o |
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138 | IF(jf == 1) CALL CLIM_Import (cpl_readflx(jf),itm1,zqsrice ,info) |
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139 | IF(jf == 2) CALL CLIM_Import (cpl_readflx(jf),itm1,zqsrwat ,info) |
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140 | IF(jf == 3) CALL CLIM_Import (cpl_readflx(jf),itm1,znsolice,info) |
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141 | IF(jf == 4) CALL CLIM_Import (cpl_readflx(jf),itm1,znsolwat,info) |
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142 | IF(jf == 5) CALL CLIM_Import (cpl_readflx(jf),itm1,znsicedt,info) |
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143 | IF(jf == 6) CALL CLIM_Import (cpl_readflx(jf),itm1,zevice ,info) |
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144 | IF(jf == 7) CALL CLIM_Import (cpl_readflx(jf),itm1,zevwat ,info) |
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145 | IF(jf == 8) CALL CLIM_Import (cpl_readflx(jf),itm1,zpliq ,info) |
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146 | IF(jf == 9) CALL CLIM_Import (cpl_readflx(jf),itm1,zpsol ,info) |
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147 | IF(jf == 10) CALL CLIM_Import (cpl_readflx(jf),itm1,zruncot ,info) |
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148 | IF(jf == 11) CALL CLIM_Import (cpl_readflx(jf),itm1,zrunriv ,info) |
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149 | IF( info /= CLIM_Ok ) THEN |
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150 | IF(lwp) WRITE(numout,*)'Pb in reading ', cpl_readflx(jf), jf |
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151 | IF(lwp) WRITE(numout,*)'Couplage itm1 is = ',itm1 |
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152 | IF(lwp) WRITE(numout,*)'CLIM error code is = ', info |
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153 | IF(lwp) WRITE(numout,*)'STOP in Flx' |
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154 | CALL abort('flx.coupled.h') |
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155 | ENDIF |
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156 | END DO |
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157 | ENDIF |
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158 | |
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159 | ! copy in the subdomain |
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160 | |
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161 | DO jj = 1, nlcj |
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162 | DO ji = 1, nlci |
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163 | |
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164 | ! qc = total flux add znsolc and zqsrc |
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165 | |
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166 | ! water fluxes input : P-E |
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167 | |
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168 | ! caution, I presume that you have the good UNIT system for OPA |
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169 | ! that is : |
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170 | ! watt/m2 for znsolc and zqsrc |
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171 | ! mm/sec for evaporation, precipitation and runoff |
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172 | ! to give ec and runoff in mm/day |
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173 | |
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174 | qc (ji,jj) = zfacflx * tmask(ji,jj,1) * ( znsolwat( mig(ji), mjg(jj) ) & |
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175 | & + zqsrwat ( mig(ji), mjg(jj) ) ) |
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176 | qsrc (ji,jj) = zfacflx * tmask(ji,jj,1) * zqsrwat ( mig(ji), mjg(jj) ) |
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177 | ec (ji,jj) = zfacwat * tmask(ji,jj,1) * ( - ABS( zevwat ( mig(ji), mjg(jj) ) ) & |
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178 | & + ABS( zpliq ( mig(ji), mjg(jj) ) ) & |
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179 | & + ABS( zpsol ( mig(ji), mjg(jj) ) ) ) |
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180 | runoff(ji,jj) = zfacwat * tmask(ji,jj,1) * ABS( zruncot ( mig(ji), mjg(jj) ) & |
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181 | & + zrunriv ( mig(ji), mjg(jj) ) ) |
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182 | END DO |
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183 | END DO |
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184 | |
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185 | ENDIF |
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186 | |
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187 | END SUBROUTINE flx |
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