1 | !!----------------------------------------------------------------- |
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2 | !! |
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3 | !! ROUTINE trcini.pisces.h90 |
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4 | !! ************************ |
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5 | !! |
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6 | !! PURPOSE : |
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7 | !! --------- |
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8 | !! Initialisation of PISCES biological and chemical variables |
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9 | !! |
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10 | !! INPUT : |
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11 | !! ----- |
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12 | !! common |
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13 | !! all the common defined in opa |
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14 | !! |
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15 | !! |
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16 | !! OUTPUT : : no |
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17 | !! ------ |
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18 | !! |
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19 | !! EXTERNAL : |
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20 | !! ---------- |
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21 | !! p4zche |
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22 | !! |
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23 | !! MODIFICATIONS: |
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24 | !! -------------- |
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25 | !! original : 1988-07 E. MAIER-REIMER MPI HAMBURG |
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26 | !! additions : 1999-10 O. Aumont and C. Le Quere |
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27 | !! additions : 2002 O. Aumont (PISCES) |
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28 | !! 03-2005 O. Aumont and A. El Moussaoui F90 |
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29 | !!--------------------------------------------------------------------- |
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30 | !! local declarations |
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31 | !! ================== |
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32 | INTEGER :: ichl,iband,mo |
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33 | INTEGER , PARAMETER :: jpmois = 12, & |
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34 | jpan = 1 |
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35 | |
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36 | REAL(wp) :: xtoto,expide,denitide,ztra |
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37 | REAL(wp) , DIMENSION (jpi,jpj) :: riverdoc,river,ndepo |
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38 | CHARACTER (len=34) :: clname |
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39 | |
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40 | INTEGER :: ipi,ipj,ipk,itime |
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41 | INTEGER , DIMENSION (jpmois) :: istep |
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42 | INTEGER , DIMENSION (jpan) :: istep0 |
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43 | REAL(wp) :: zsecond, zdate0 |
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44 | REAL(wp) , DIMENSION (jpi,jpj) :: zlon,zlat |
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45 | REAL(wp), DIMENSION (jpk) :: zlev |
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46 | INTEGER :: numriv,numdust,numbath,numdep |
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47 | |
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48 | !! 1. initialization |
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49 | !! ----------------- |
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50 | |
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51 | !! computation of the record length for direct access FILE |
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52 | !! this length depend of 512 for the t3d machine |
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53 | !! |
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54 | rfact = rdttra(1) * float(ndttrc) |
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55 | rfactr = 1./rfact |
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56 | IF(lwp) WRITE(numout,*) ' Tracer time step=',rfact,' rdt=',rdt |
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57 | rfact2= rfact / float(nrdttrc) |
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58 | rfact2r = 1./rfact2 |
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59 | IF(lwp) write(numout,*) ' Biology time step=',rfact2 |
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60 | |
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61 | !! INITIALISE DUST INPUT FROM ATMOSPHERE |
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62 | !! ------------------------------------- |
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63 | |
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64 | IF (bdustfer) THEN |
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65 | clname='dust.orca.nc' |
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66 | CALL flinopen(clname,mig(1),nlci,mjg(1),nlcj,.false.,ipi,ipj,0 & |
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67 | & ,zlon,zlat,zlev,itime,istep,zdate0,zsecond,numdust) |
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68 | CALL flinget(numdust,'dust',jpidta,jpjdta,0,jpmois,1, & |
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69 | & 12,mig(1),nlci,mjg(1),nlcj,dustmo(1:nlci,1:nlcj,:) ) |
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70 | CALL flinclo(numdust) |
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71 | |
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72 | ! Extra-halo initialization in MPP |
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73 | IF( lk_mpp ) THEN |
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74 | DO ji = nlci+1, jpi |
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75 | dustmo(ji,:,:) = dustmo(1,:,:) |
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76 | ENDDO |
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77 | DO jj = nlcj+1, jpj |
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78 | dustmo(:,jj,:)=dustmo(:,1,:) |
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79 | ENDDO |
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80 | ENDIF |
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81 | ELSE |
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82 | dustmo(:,:,:)=0. |
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83 | ENDIF |
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84 | |
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85 | !! INITIALISE THE NUTRIENT INPUT BY RIVERS |
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86 | !! --------------------------------------- |
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87 | |
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88 | IF (briver) THEN |
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89 | clname='river.orca.nc' |
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90 | CALL flinopen(clname,mig(1),nlci,mjg(1),nlcj,.false.,ipi,ipj,0 & |
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91 | & ,zlon,zlat,zlev,itime,istep0,zdate0,zsecond,numriv) |
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92 | CALL flinget(numriv,'riverdic',jpidta,jpjdta,0,jpan,1, & |
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93 | & 1,mig(1),nlci,mjg(1),nlcj,river(1:nlci,1:nlcj) ) |
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94 | CALL flinget(numriv,'riverdoc',jpidta,jpjdta,0,jpan,1, & |
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95 | & 1,mig(1),nlci,mjg(1),nlcj,riverdoc(1:nlci,1:nlcj) ) |
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96 | CALL flinclo(numriv) |
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97 | |
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98 | ! Extra-halo initialization in MPP |
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99 | IF( lk_mpp ) THEN |
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100 | DO ji = nlci+1, jpi |
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101 | river(ji,:) = river(1,:) |
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102 | riverdoc(ji,:) = riverdoc(1,:) |
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103 | ENDDO |
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104 | DO jj = nlcj+1, jpj |
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105 | river(:,jj)=river(:,1) |
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106 | riverdoc(:,jj) = riverdoc(:,1) |
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107 | ENDDO |
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108 | ENDIF |
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109 | |
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110 | ELSE |
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111 | river(:,:)=0. |
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112 | riverdoc(:,:)=0. |
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113 | endif |
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114 | |
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115 | !! INITIALISE THE N INPUT BY DUST |
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116 | !! --------------------------------------- |
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117 | |
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118 | IF (bndepo) THEN |
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119 | clname='ndeposition.orca.nc' |
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120 | CALL flinopen(clname,mig(1),nlci,mjg(1),nlcj,.false.,ipi,ipj,0 & |
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121 | & ,zlon,zlat,zlev,itime,istep0,zdate0,zsecond,numdep) |
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122 | CALL flinget(numdep,'ndep',jpidta,jpjdta,0,jpan,1, & |
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123 | & 1,mig(1),nlci,mjg(1),nlcj,ndepo(1:nlci,1:nlcj) ) |
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124 | CALL flinclo(numdep) |
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125 | |
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126 | ! Extra-halo initialization in MPP |
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127 | IF( lk_mpp ) THEN |
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128 | DO ji = nlci+1, jpi |
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129 | ndepo(ji,:) = ndepo(1,:) |
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130 | ENDDO |
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131 | DO jj = nlcj+1, jpj |
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132 | ndepo(:,jj)=ndepo(:,1) |
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133 | ENDDO |
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134 | ENDIF |
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135 | |
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136 | ELSE |
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137 | ndepo(:,:)=0. |
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138 | ENDIF |
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139 | |
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140 | !! Computation of the coastal mask. |
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141 | !! Computation of an island mask to enhance coastal supply |
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142 | !! of iron |
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143 | !! ------------------------------------------------------- |
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144 | |
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145 | IF (bsedinput) THEN |
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146 | clname='bathy.orca.nc' |
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147 | CALL flinopen(clname,mig(1),nlci,mjg(1),nlcj,.false.,ipi,ipj,ipk & |
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148 | & ,zlon,zlat,zlev,itime,istep0,zdate0,zsecond,numbath) |
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149 | CALL flinget(numbath,'bathy',jpidta,jpjdta,jpk,jpan,1, & |
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150 | & 1,mig(1),nlci,mjg(1),nlcj,cmask(1:nlci,1:nlcj,1:jpk) ) |
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151 | CALL flinclo(numbath) |
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152 | |
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153 | ! Extra-halo initialization in MPP |
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154 | IF( lk_mpp ) THEN |
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155 | DO ji = nlci+1, jpi |
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156 | cmask(ji,:,:) = cmask(1,:,:) |
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157 | ENDDO |
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158 | DO jj = nlcj+1, jpj |
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159 | cmask(:,jj,:)=cmask(:,1,:) |
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160 | ENDDO |
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161 | ENDIF |
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162 | |
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163 | DO jk = 1, jpk |
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164 | DO jj = 1, jpj |
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165 | DO ji = 1, jpi |
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166 | expide=min(8.,(fsdept(ji,jj,jk)/500.)**(-1.5)) |
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167 | denitide=-0.9543+0.7662*log(expide)-0.235*log(expide)**2 |
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168 | cmask(ji,jj,jk)=cmask(ji,jj,jk)*exp(denitide)/0.6858 |
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169 | END DO |
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170 | END DO |
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171 | END DO |
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172 | |
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173 | ELSE |
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174 | cmask(:,:,:)=0. |
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175 | ENDIF |
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176 | |
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177 | !! Computation of the total atmospheric supply of Si |
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178 | !! ------------------------------------------------- |
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179 | |
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180 | sumdepsi=0. |
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181 | DO mo=1,12 |
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182 | DO jj=2,jpjm1 |
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183 | DO ji=2,jpim1 |
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184 | sumdepsi=sumdepsi+dustmo(ji,jj,mo)/(12.*rmoss)*8.8 & |
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185 | *0.075/28.1*e1t(ji,jj)*e2t(ji,jj)*tmask(ji,jj,1) |
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186 | END DO |
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187 | END DO |
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188 | END DO |
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189 | |
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190 | IF( lk_mpp ) CALL mpp_sum( sumdepsi ) ! sum over the global domain |
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191 | |
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192 | !! COMPUTATION OF THE N/P RELEASE DUE TO COASTAL RIVERS |
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193 | !! COMPUTATION OF THE Si RELEASE DUE TO COASTAL RIVERS |
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194 | !! --------------------------------------------------- |
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195 | |
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196 | DO jj=1,jpj |
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197 | DO ji=1,jpi |
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198 | cotdep(ji,jj,1)=river(ji,jj)*1E9/(12.*raass & |
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199 | *e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,1)+rtrn)*tmask(ji,jj,1) |
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200 | po4dep(ji,jj,1)=(river(ji,jj)+riverdoc(ji,jj))*1E9 & |
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201 | /(31.6*raass*e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,1)+rtrn) & |
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202 | *tmask(ji,jj,1) |
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203 | nitdep(ji,jj,1)=7.6*ndepo(ji,jj)*tmask(ji,jj,1)/(14E6*raass & |
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204 | *fse3t(ji,jj,1)+rtrn) |
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205 | END DO |
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206 | END DO |
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207 | |
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208 | rivpo4input=0. |
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209 | rivalkinput=0. |
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210 | rivnitinput=0. |
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211 | DO jj=2,jpjm1 |
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212 | DO ji=2,jpim1 |
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213 | rivpo4input=rivpo4input+po4dep(ji,jj,1)*(e1t(ji,jj)*e2t(ji,jj) & |
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214 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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215 | rivalkinput=rivalkinput+cotdep(ji,jj,1)*(e1t(ji,jj)*e2t(ji,jj) & |
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216 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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217 | rivnitinput=rivnitinput+nitdep(ji,jj,1)*(e1t(ji,jj)*e2t(ji,jj) & |
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218 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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219 | END DO |
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220 | END DO |
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221 | |
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222 | IF( lk_mpp ) THEN |
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223 | CALL mpp_sum( rivpo4input ) ! sum over the global domain |
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224 | CALL mpp_sum( rivalkinput ) ! sum over the global domain |
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225 | CALL mpp_sum( rivnitinput ) ! sum over the global domain |
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226 | ENDIF |
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227 | |
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228 | |
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229 | !! Coastal supply of iron |
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230 | !! ---------------------- |
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231 | |
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232 | DO jk=1,jpkm1 |
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233 | ironsed(:,:,jk)=sedfeinput*cmask(:,:,jk) & |
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234 | /(fse3t(:,:,jk)*rjjss) |
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235 | END DO |
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236 | !!---------------------------------------------------------------------- |
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237 | !! |
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238 | !! Initialize biological variables |
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239 | !! |
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240 | !!---------------------------------------------------------------------- |
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241 | |
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242 | spocri = 0.003 |
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243 | jkopt = 14 |
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244 | |
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245 | !! Set biological ratios |
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246 | !! --------------------- |
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247 | |
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248 | rno3 = (16.+2.)/122. |
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249 | po4r = 1./122. |
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250 | o2ut = 172./122. |
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251 | o2nit = 32./122. |
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252 | rdenit = 97.6/16. |
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253 | o2ut = 140./122. |
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254 | |
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255 | !!---------------------------------------------------------------------- |
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256 | !! |
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257 | !! Initialize chemical variables |
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258 | !! |
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259 | !!---------------------------------------------------------------------- |
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260 | |
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261 | !! set pre-industrial atmospheric [co2] (ppm) and o2/n2 ratio |
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262 | !! ---------------------------------------------------------- |
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263 | |
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264 | atcox = 0.20946 |
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265 | |
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266 | !! Set lower/upper limits for temperature and salinity |
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267 | !! --------------------------------------------------- |
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268 | |
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269 | salchl = 1./1.80655 |
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270 | calcon = 1.03E-2 |
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271 | |
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272 | !! Set coefficients for apparent solubility equilibrium |
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273 | !! of calcite (Ingle, 1800, eq. 6) |
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274 | !! ---------------------------------------------------- |
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275 | |
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276 | akcc1 = -34.452 |
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277 | akcc2 = -39.866 |
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278 | akcc3 = 110.21 |
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279 | akcc4 = -7.5752E-6 |
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280 | |
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281 | |
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282 | !! Set coefficients for seawater pressure correction |
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283 | !! ------------------------------------------------- |
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284 | |
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285 | devk1 = 24.2 |
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286 | devk2 = 16.4 |
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287 | devkb = 27.5 |
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288 | devk1t = 0.085 |
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289 | devk2t = 0.04 |
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290 | devkbt = 0.095 |
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291 | |
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292 | devkst = 0.23 |
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293 | devks = 35.4 |
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294 | |
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295 | !! Set universal gas constants |
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296 | !! --------------------------- |
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297 | |
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298 | rgas = 83.143 |
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299 | oxyco = 1./22.4144 |
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300 | |
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301 | !! Set boron constants |
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302 | !! ------------------- |
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303 | |
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304 | bor1 = 0.00023 |
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305 | bor2 = 1./10.82 |
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306 | |
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307 | !! Set volumetric solubility constants for co2 in ml/l (Weiss, 1974) |
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308 | !! ----------------------------------------------------------------- |
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309 | |
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310 | c00 = -58.0931 |
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311 | c01 = 90.5069 |
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312 | c02 = 22.2940 |
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313 | c03 = 0.027766 |
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314 | c04 = -0.025888 |
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315 | c05 = 0.0050578 |
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316 | |
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317 | !! Set coeff. for 1. dissoc. of carbonic acid (Edmond and Gieskes, 1970) |
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318 | !! --------------------------------------------------------------------- |
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319 | |
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320 | c10 = -2307.1266 |
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321 | c11 = 2.83655 |
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322 | c12 = -1.5529413 |
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323 | c13 = -4.0484 |
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324 | c14 = -0.20760841 |
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325 | c15 = 0.08468345 |
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326 | c16 = -0.00654208 |
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327 | c17 = -0.001005 |
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328 | |
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329 | !! Set coeff. for 2. dissoc. of carbonic acid (Edmond and Gieskes, 1970) |
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330 | !! --------------------------------------------------------------------- |
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331 | |
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332 | c20 = -3351.6106 |
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333 | c21 = -9.226508 |
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334 | c22 = -0.2005743 |
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335 | c23 = -23.9722 |
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336 | c24 = -0.106901773 |
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337 | c25 = 0.1130822 |
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338 | c26 = -0.00846934 |
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339 | c27 = -0.001005 |
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340 | |
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341 | !! Set coeff. for 1. dissoc. of boric acid (Edmond and Gieskes, 1970) |
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342 | !! ------------------------------------------------------------------ |
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343 | |
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344 | cb0 = -8966.90 |
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345 | cb1 = -2890.53 |
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346 | cb2 = -77.942 |
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347 | cb3 = 1.728 |
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348 | cb4 = -0.0996 |
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349 | cb5 = 148.0248 |
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350 | cb6 = 137.1942 |
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351 | cb7 = 1.62142 |
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352 | cb8 = -24.4344 |
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353 | cb9 = -25.085 |
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354 | cb10 = -0.2474 |
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355 | cb11 = 0.053105 |
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356 | |
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357 | !! Set coeff. for dissoc. of water (Dickson and Riley, 1979, |
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358 | !! eq. 7, coefficient cw2 corrected from 0.9415 to 0.09415 |
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359 | !! after pers. commun. to B. Bacastow, 1988) |
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360 | !! --------------------------------------------------------- |
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361 | |
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362 | cw0 = -13847.26 |
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363 | cw1 = 148.9652 |
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364 | cw2 = -23.6521 |
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365 | cw3 = 118.67 |
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366 | cw4 = -5.977 |
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367 | cw5 = 1.0495 |
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368 | cw6 = -0.01615 |
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369 | |
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370 | !! Set volumetric solubility constants for o2 in ml/l (Weiss, 1970) |
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371 | !! ---------------------------------------------------------------- |
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372 | |
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373 | ox0 = -58.3877 |
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374 | ox1 = 85.8079 |
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375 | ox2 = 23.8439 |
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376 | ox3 = -0.034892 |
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377 | ox4 = 0.015568 |
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378 | ox5 = -0.0019387 |
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379 | |
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380 | !! FROM THE NEW BIOOPTIC MODEL PROPOSED JM ANDRE, WE READ HERE |
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381 | !! A PRECOMPUTED ARRAY CORRESPONDING TO THE ATTENUATION COEFFICIENT |
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382 | |
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383 | open(49,file='kRGB61.txt',form='formatted') |
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384 | do ichl=1,61 |
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385 | READ(49,*) xtoto,(xkrgb(iband,ichl),iband = 1,3) |
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386 | end do |
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387 | close(49) |
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388 | |
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389 | #if defined key_off_degrad |
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390 | |
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391 | !! Read volume for degraded regions (DEGINIT) |
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392 | !! ------------------------------------------ |
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393 | |
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394 | # if defined key_vpp |
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395 | CALL READ3S(902,facvol,jpi,jpj,jpk) |
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396 | # else |
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397 | READ (902) facvol |
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398 | # endif |
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399 | #endif |
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400 | |
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401 | |
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402 | !! Call p4zche to initialize the chemical constants |
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403 | !! ------------------------------------------------ |
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404 | |
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405 | CALL p4zche |
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406 | |
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407 | IF(lwp) WRITE(numout,*) ' Initialisation of PISCES done' |
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