1 | MODULE plankton_mod |
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2 | !!====================================================================== |
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3 | !! *** MODULE plankton_mod *** |
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4 | !! Calculate the carbon chemistry for the whole ocean |
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5 | !!====================================================================== |
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6 | !! History : |
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7 | !! - ! 2017-04 (M. Stringer) Code taken from trcbio_medusa.F90 |
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8 | !!---------------------------------------------------------------------- |
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9 | #if defined key_medusa |
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10 | !!---------------------------------------------------------------------- |
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11 | !! MEDUSA bio-model |
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12 | !!---------------------------------------------------------------------- |
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13 | |
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14 | IMPLICIT NONE |
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15 | PRIVATE |
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16 | |
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17 | PUBLIC plankton ! Called in trcbio_medusa.F90 |
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18 | |
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19 | !!---------------------------------------------------------------------- |
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20 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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21 | !! $Id$ |
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22 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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23 | !!---------------------------------------------------------------------- |
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24 | |
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25 | CONTAINS |
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26 | |
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27 | SUBROUTINE plankton( jk ) |
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28 | !!------------------------------------------------------------------- |
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29 | !! *** ROUTINE plankton *** |
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30 | !! This called from TRC_BIO_MEDUSA and |
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31 | !! - Calculates phytoplankton growth |
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32 | !! - Zooplankton grazing |
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33 | !! - Plankton losses |
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34 | !!------------------------------------------------------------------- |
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35 | USE bio_medusa_mod, ONLY: fdpd, fdpd2, fdpds, fdpds2, & |
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36 | fdpn, fdpn2, fdzme, fdzme2, & |
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37 | fdzmi, fdzmi2, fsdiss, fsin, & |
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38 | fdep1, fprn, fprd, & |
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39 | fgmepd, fgmepn, fgmipn, & |
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40 | zphd, zphn, zpds, zzme, zzmi |
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41 | USE dom_oce, ONLY: e3t_0, e3t_n, gdepw_0, gdepw_n, tmask |
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42 | USE par_kind, ONLY: wp |
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43 | USE par_oce, ONLY: jpim1, jpjm1 |
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44 | USE phytoplankton_mod, ONLY: phytoplankton |
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45 | USE sms_medusa, ONLY: jmpd, jmpn, jmzme, jmzmi, & |
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46 | ln_foam_medusa, & |
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47 | pgrow_avg, ploss_avg, phyt_avg, & |
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48 | xkphd, xkphn, xkzme, xkzmi, & |
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49 | xmetapd, xmetapn, xmetazme, xmetazmi, & |
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50 | xmpd, xmpn, xmzme, xmzmi, xsdiss |
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51 | USE zdfmxl, ONLY: hmld |
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52 | USE zooplankton_mod, ONLY: zooplankton |
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53 | |
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54 | !!* Substitution |
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55 | # include "domzgr_substitute.h90" |
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56 | |
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57 | !! Level |
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58 | INTEGER, INTENT( in ) :: jk |
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59 | |
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60 | INTEGER :: ji, jj |
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61 | |
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62 | REAL(wp) :: fq0 |
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63 | |
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64 | !!------------------------------------------------------------------- |
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65 | !! Calculate phytoplankton growth |
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66 | !!------------------------------------------------------------------- |
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67 | CALL phytoplankton( jk ) |
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68 | |
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69 | !!------------------------------------------------------------------- |
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70 | !! Calculate zooplankton grazing |
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71 | !!------------------------------------------------------------------- |
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72 | CALL zooplankton( jk ) |
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73 | |
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74 | !!------------------------------------------------------------------- |
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75 | !! Miscellaneous plankton losses |
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76 | !!------------------------------------------------------------------- |
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77 | DO jj = 2,jpjm1 |
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78 | DO ji = 2,jpim1 |
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79 | !! OPEN wet point IF..THEN loop |
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80 | if (tmask(ji,jj,jk) == 1) then |
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81 | !!---------------------------------------------------------- |
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82 | !! Plankton metabolic losses |
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83 | !! Linear loss processes assumed to be metabolic in origin |
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84 | !!---------------------------------------------------------- |
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85 | !! |
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86 | fdpn2(ji,jj) = xmetapn * zphn(ji,jj) |
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87 | fdpd2(ji,jj) = xmetapd * zphd(ji,jj) |
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88 | fdpds2(ji,jj) = xmetapd * zpds(ji,jj) |
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89 | fdzmi2(ji,jj) = xmetazmi * zzmi(ji,jj) |
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90 | fdzme2(ji,jj) = xmetazme * zzme(ji,jj) |
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91 | ENDIF |
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92 | ENDDO |
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93 | ENDDO |
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94 | |
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95 | DO jj = 2,jpjm1 |
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96 | DO ji = 2,jpim1 |
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97 | if (tmask(ji,jj,jk) == 1) then |
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98 | !!---------------------------------------------------------- |
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99 | !! Plankton mortality losses |
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100 | !! EKP (26/02/09): phytoplankton hyperbolic mortality term |
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101 | !! introduced |
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102 | !! to improve performance in gyres |
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103 | !!---------------------------------------------------------- |
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104 | !! |
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105 | !! non-diatom phytoplankton |
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106 | !! linear |
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107 | if (jmpn.eq.1) fdpn(ji,jj) = xmpn * zphn(ji,jj) |
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108 | !! quadratic |
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109 | if (jmpn.eq.2) fdpn(ji,jj) = xmpn * zphn(ji,jj) * zphn(ji,jj) |
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110 | !! hyperbolic |
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111 | if (jmpn.eq.3) fdpn(ji,jj) = xmpn * zphn(ji,jj) * & |
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112 | (zphn(ji,jj) / & |
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113 | (xkphn + zphn(ji,jj))) |
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114 | !! sigmoid |
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115 | if (jmpn.eq.4) fdpn(ji,jj) = xmpn * zphn(ji,jj) * & |
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116 | ((zphn(ji,jj) * zphn(ji,jj)) / & |
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117 | (xkphn + (zphn(ji,jj) * & |
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118 | zphn(ji,jj)))) |
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119 | ENDIF |
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120 | ENDDO |
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121 | ENDDO |
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122 | |
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123 | DO jj = 2,jpjm1 |
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124 | DO ji = 2,jpim1 |
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125 | if (tmask(ji,jj,jk) == 1) then |
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126 | !! |
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127 | !! diatom phytoplankton |
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128 | !! linear |
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129 | if (jmpd.eq.1) fdpd(ji,jj) = xmpd * zphd(ji,jj) |
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130 | !! quadratic |
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131 | if (jmpd.eq.2) fdpd(ji,jj) = xmpd * zphd(ji,jj) * zphd(ji,jj) |
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132 | !! hyperbolic |
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133 | if (jmpd.eq.3) fdpd(ji,jj) = xmpd * zphd(ji,jj) * & |
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134 | (zphd(ji,jj) / (xkphd + & |
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135 | zphd(ji,jj))) |
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136 | !! sigmoid |
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137 | if (jmpd.eq.4) fdpd(ji,jj) = xmpd * zphd(ji,jj) * & |
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138 | ((zphd(ji,jj) * zphd(ji,jj)) / & |
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139 | (xkphd + (zphd(ji,jj) * & |
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140 | zphd(ji,jj)))) |
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141 | fdpds(ji,jj) = fdpd(ji,jj) * fsin(ji,jj) |
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142 | ENDIF |
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143 | ENDDO |
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144 | ENDDO |
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145 | |
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146 | DO jj = 2,jpjm1 |
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147 | DO ji = 2,jpim1 |
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148 | if (tmask(ji,jj,jk) == 1) then |
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149 | !! |
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150 | !! microzooplankton |
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151 | !! linear |
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152 | if (jmzmi.eq.1) fdzmi(ji,jj) = xmzmi * zzmi(ji,jj) |
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153 | !! quadratic |
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154 | if (jmzmi.eq.2) fdzmi(ji,jj) = xmzmi * zzmi(ji,jj) * & |
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155 | zzmi(ji,jj) |
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156 | !! hyperbolic |
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157 | if (jmzmi.eq.3) fdzmi(ji,jj) = xmzmi * zzmi(ji,jj) * & |
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158 | (zzmi(ji,jj) / (xkzmi + & |
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159 | zzmi(ji,jj))) |
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160 | !! sigmoid |
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161 | if (jmzmi.eq.4) fdzmi(ji,jj) = xmzmi * zzmi(ji,jj) * & |
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162 | ((zzmi(ji,jj) * zzmi(ji,jj)) / (xkzmi + (zzmi(ji,jj) * & |
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163 | zzmi(ji,jj)))) |
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164 | ENDIF |
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165 | ENDDO |
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166 | ENDDO |
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167 | |
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168 | DO jj = 2,jpjm1 |
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169 | DO ji = 2,jpim1 |
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170 | if (tmask(ji,jj,jk) == 1) then |
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171 | !! |
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172 | !! mesozooplankton |
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173 | !! linear |
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174 | if (jmzme.eq.1) fdzme(ji,jj) = xmzme * zzme(ji,jj) |
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175 | !! quadratic |
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176 | if (jmzme.eq.2) fdzme(ji,jj) = xmzme * zzme(ji,jj) * & |
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177 | zzme(ji,jj) |
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178 | !! hyperbolic |
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179 | if (jmzme.eq.3) fdzme(ji,jj) = xmzme * zzme(ji,jj) * & |
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180 | (zzme(ji,jj) / (xkzme + & |
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181 | zzme(ji,jj))) |
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182 | !! sigmoid |
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183 | if (jmzme.eq.4) fdzme(ji,jj) = xmzme * zzme(ji,jj) * & |
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184 | ((zzme(ji,jj) * zzme(ji,jj)) / & |
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185 | (xkzme + (zzme(ji,jj) * & |
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186 | zzme(ji,jj)))) |
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187 | ENDIF |
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188 | ENDDO |
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189 | ENDDO |
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190 | |
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191 | !! diatom frustule dissolution. This section is moved from just |
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192 | !! below CALL to iron_chem_scav in trcbio_medusa.F90 - marc 9/5/17 |
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193 | DO jj = 2,jpjm1 |
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194 | DO ji = 2,jpim1 |
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195 | IF (tmask(ji,jj,jk) == 1) THEN |
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196 | fsdiss(ji,jj) = xsdiss * zpds(ji,jj) |
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197 | ENDIF |
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198 | ENDDO |
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199 | ENDDO |
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200 | |
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201 | IF ( ln_foam_medusa ) THEN |
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202 | !! Mixed layer averages for ocean colour assimilation |
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203 | !! |
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204 | DO jj = 2,jpjm1 |
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205 | DO ji = 2,jpim1 |
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206 | IF (tmask(ji,jj,jk) == 1) THEN |
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207 | if (fdep1(ji,jj).le.hmld(ji,jj)) then |
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208 | !! this level is entirely in the mixed layer |
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209 | fq0 = 1.0 |
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210 | elseif (fsdepw(ji,jj,jk).ge.hmld(ji,jj)) then |
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211 | !! this level is entirely below the mixed layer |
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212 | fq0 = 0.0 |
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213 | else |
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214 | !! this level straddles the mixed layer |
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215 | fq0 = (hmld(ji,jj) - fsdepw(ji,jj,jk)) / fse3t(ji,jj,jk) |
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216 | endif |
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217 | !! |
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218 | pgrow_avg(ji,jj) = pgrow_avg(ji,jj) + & |
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219 | (((fprn(ji,jj) * zphn(ji,jj)) + & |
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220 | (fprd(ji,jj) * zphd(ji,jj)) ) * & |
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221 | fse3t(ji,jj,jk) * fq0) |
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222 | ploss_avg(ji,jj) = ploss_avg(ji,jj) + & |
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223 | ((fgmepd(ji,jj) + fdpd(ji,jj) + & |
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224 | fdpd2(ji,jj) + & |
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225 | fgmepn(ji,jj) + fdpn(ji,jj) + & |
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226 | fdpn2(ji,jj) + fgmipn(ji,jj) ) * & |
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227 | fse3t(ji,jj,jk) * fq0) |
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228 | phyt_avg(ji,jj) = phyt_avg(ji,jj) + & |
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229 | ((zphn(ji,jj) + zphd(ji,jj)) * & |
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230 | fse3t(ji,jj,jk) * fq0) |
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231 | ENDIF |
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232 | ENDDO |
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233 | ENDDO |
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234 | ENDIF |
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235 | |
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236 | END SUBROUTINE plankton |
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237 | |
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238 | #else |
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239 | !!====================================================================== |
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240 | !! Dummy module : No MEDUSA bio-model |
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241 | !!====================================================================== |
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242 | CONTAINS |
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243 | SUBROUTINE plankton( ) ! Empty routine |
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244 | WRITE(*,*) 'plankton: You should not have seen this print! error?' |
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245 | END SUBROUTINE plankton |
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246 | #endif |
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247 | |
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248 | !!====================================================================== |
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249 | END MODULE plankton_mod |
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