1 | |
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2 | CCC $Header$ |
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3 | CCC TOP 1.0 , LOCEAN-IPSL (2005) |
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4 | C This software is governed by CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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5 | C --------------------------------------------------------------------------- |
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6 | CDIR$ LIST |
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7 | SUBROUTINE p4zopt |
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8 | #if defined key_passivetrc && defined key_trc_pisces |
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9 | CCC--------------------------------------------------------------------- |
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10 | CCC |
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11 | CCC ROUTINE p4zopt : PISCES MODEL |
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12 | CCC ***************************** |
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13 | CCC |
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14 | CCC PURPOSE : |
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15 | CCC --------- |
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16 | CCC Compute the light availability in the water column |
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17 | CCC depending on the depth and the chlorophyll concentration |
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18 | CCC |
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19 | CC INPUT : |
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20 | CC ----- |
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21 | CC argument |
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22 | CC None |
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23 | CC common |
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24 | CC all the common defined in opa |
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25 | CC |
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26 | CC |
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27 | CC OUTPUT : : no |
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28 | CC ------ |
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29 | CC |
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30 | CC MODIFICATIONS: |
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31 | CC -------------- |
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32 | CC original : O. Aumont (2004) |
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33 | CC---------------------------------------------------------------------- |
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34 | CC parameters and commons |
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35 | CC ====================== |
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36 | CDIR$ NOLIST |
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37 | USE oce_trc |
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38 | USE trp_trc |
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39 | USE sms |
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40 | IMPLICIT NONE |
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41 | #include "domzgr_substitute.h90" |
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42 | CDIR$ LIST |
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43 | CC---------------------------------------------------------------------- |
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44 | CC local declarations |
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45 | CC ================== |
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46 | INTEGER ji, jj, jk, mrgb |
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47 | REAL xchl,ekg(jpi,jpj,jpk),ekr(jpi,jpj,jpk),ekb(jpi,jpj,jpk) |
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48 | REAL parlux,e1(jpi,jpj,jpk),e2(jpi,jpj,jpk),e3(jpi,jpj,jpk) |
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49 | REAL zdepmoy(jpi,jpj),etmp(jpi,jpj) |
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50 | REAL zrlight,zblight,zglight |
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51 | REAL zrlight1,zblight1,zglight1 |
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52 | REAL e3lum(jpi,jpj,jpk),e4lum(jpi,jpj,jpk) |
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53 | REAL e5lum(jpi,jpj,jpk),e6lum(jpi,jpj,jpk) |
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54 | C |
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55 | C Initialisation of variables used to compute PAR |
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56 | C ----------------------------------------------- |
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57 | C |
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58 | e1 = 0. |
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59 | e2 = 0. |
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60 | e3 = 0. |
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61 | etot = 0. |
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62 | parlux = 0.43/3. |
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63 | |
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64 | IF (ln_qsr_sms) THEN |
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65 | C |
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66 | C IF activated, computation of the qsr for the dynamics |
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67 | C ----------------------------------------------------- |
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68 | C |
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69 | e3lum=0. |
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70 | e4lum=0. |
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71 | e5lum=0. |
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72 | e6lum=0. |
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73 | ENDIF |
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74 | |
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75 | DO jk=1,jpkm1 |
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76 | DO jj=1,jpj |
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77 | DO ji=1,jpi |
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78 | C |
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79 | C Separation in three light bands: red, green, blue |
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80 | C ------------------------------------------------- |
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81 | C |
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82 | xchl=(trn(ji,jj,jk,jpnch)+trn(ji,jj,jk,jpdch)+rtrn)*1.E6 |
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83 | xchl=max(0.03,xchl) |
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84 | xchl=min(10.,xchl) |
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85 | |
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86 | mrgb = int(41+20.*log10(xchl)+rtrn) |
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87 | |
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88 | ekb(ji,jj,jk)=xkrgb(1,mrgb) |
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89 | ekg(ji,jj,jk)=xkrgb(2,mrgb) |
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90 | ekr(ji,jj,jk)=xkrgb(3,mrgb) |
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91 | C |
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92 | END DO |
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93 | END DO |
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94 | END DO |
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95 | C |
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96 | DO jj = 1,jpj |
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97 | DO ji = 1,jpi |
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98 | C |
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99 | C Separation in three light bands: red, green, blue |
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100 | C ------------------------------------------------- |
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101 | C |
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102 | zblight=0.5*ekb(ji,jj,1)*fse3t(ji,jj,1) |
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103 | zglight=0.5*ekg(ji,jj,1)*fse3t(ji,jj,1) |
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104 | zrlight=0.5*ekr(ji,jj,1)*fse3t(ji,jj,1) |
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105 | C |
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106 | e1(ji,jj,1) = parlux*qsr(ji,jj)*exp(-zblight) |
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107 | e2(ji,jj,1) = parlux*qsr(ji,jj)*exp(-zglight) |
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108 | e3(ji,jj,1) = parlux*qsr(ji,jj)*exp(-zrlight) |
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109 | C |
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110 | END DO |
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111 | END DO |
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112 | |
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113 | DO jk = 2,jpkm1 |
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114 | DO jj = 1,jpj |
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115 | DO ji = 1,jpi |
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116 | C |
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117 | C Separation in three light bands: red, green, blue |
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118 | C ------------------------------------------------- |
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119 | C |
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120 | zblight=0.5*(ekb(ji,jj,jk-1)*fse3t(ji,jj,jk-1) |
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121 | & +ekb(ji,jj,jk)*fse3t(ji,jj,jk)) |
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122 | zglight=0.5*(ekg(ji,jj,jk-1)*fse3t(ji,jj,jk-1) |
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123 | & +ekg(ji,jj,jk)*fse3t(ji,jj,jk)) |
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124 | zrlight=0.5*(ekr(ji,jj,jk-1)*fse3t(ji,jj,jk-1) |
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125 | & +ekr(ji,jj,jk)*fse3t(ji,jj,jk)) |
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126 | C |
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127 | e1(ji,jj,jk) = e1(ji,jj,jk-1)*exp(-zblight) |
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128 | e2(ji,jj,jk) = e2(ji,jj,jk-1)*exp(-zglight) |
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129 | e3(ji,jj,jk) = e3(ji,jj,jk-1)*exp(-zrlight) |
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130 | C |
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131 | END DO |
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132 | END DO |
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133 | END DO |
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134 | C |
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135 | etot(:,:,:) = e1(:,:,:)+e2(:,:,:)+e3(:,:,:) |
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136 | |
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137 | IF (ln_qsr_sms) THEN |
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138 | C |
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139 | C In the following, the vertical attenuation of qsr for the |
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140 | C dynamics is computed |
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141 | C --------------------------------------------------------- |
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142 | C |
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143 | DO jj = 1,jpj |
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144 | DO ji = 1,jpi |
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145 | C |
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146 | C Separation in three light bands: red, green, blue |
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147 | C ------------------------------------------------- |
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148 | C |
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149 | zblight=0.5*ekb(ji,jj,1)*fse3t(ji,jj,1) |
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150 | zglight=0.5*ekg(ji,jj,1)*fse3t(ji,jj,1) |
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151 | zrlight=0.5*ekr(ji,jj,1)*fse3t(ji,jj,1) |
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152 | C |
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153 | e3lum(ji,jj,1) = parlux*qsr(ji,jj) |
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154 | e4lum(ji,jj,1) = parlux*qsr(ji,jj) |
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155 | e5lum(ji,jj,1) = parlux*qsr(ji,jj) |
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156 | e6lum(ji,jj,1) = (1.-3.*parlux)*qsr(ji,jj) |
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157 | C |
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158 | END DO |
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159 | END DO |
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160 | |
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161 | DO jk = 2,jpkm1 |
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162 | DO jj = 1,jpj |
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163 | DO ji = 1,jpi |
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164 | C |
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165 | C Separation in three light bands: red, green, blue |
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166 | C ------------------------------------------------- |
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167 | C |
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168 | zblight1=ekb(ji,jj,jk-1)*fse3t(ji,jj,jk-1) |
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169 | zglight1=ekg(ji,jj,jk-1)*fse3t(ji,jj,jk-1) |
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170 | zrlight1=ekr(ji,jj,jk-1)*fse3t(ji,jj,jk-1) |
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171 | |
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172 | e3lum(ji,jj,jk) = e3lum(ji,jj,jk-1)*exp(-zblight) |
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173 | e4lum(ji,jj,jk) = e4lum(ji,jj,jk-1)*exp(-zglight) |
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174 | e5lum(ji,jj,jk) = e5lum(ji,jj,jk-1)*exp(-zrlight) |
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175 | e6lum(ji,jj,jk) = e6lum(ji,jj,jk-1) |
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176 | & *exp(-fse3t(ji,jj,jk-1)/xsi1) |
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177 | C |
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178 | END DO |
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179 | END DO |
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180 | END DO |
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181 | |
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182 | etot3(:,:,:)=e3lum(:,:,:)+e4lum(:,:,:)+e5lum(:,:,:) |
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183 | & +e6lum(:,:,:) |
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184 | |
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185 | ENDIF |
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186 | C |
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187 | C Computation of the euphotic depth |
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188 | C --------------------------------- |
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189 | C |
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190 | zmeu(:,:) = 300. |
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191 | |
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192 | DO jk = 2,jpkm1 |
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193 | DO jj = 1,jpj |
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194 | DO ji = 1,jpi |
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195 | IF (etot(ji,jj,jk).GE.0.0043*qsr(ji,jj)) THEN |
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196 | zmeu(ji,jj) = fsdepw(ji,jj,jk+1) |
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197 | ENDIF |
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198 | END DO |
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199 | END DO |
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200 | END DO |
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201 | C |
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202 | zmeu(:,:)=min(300.,zmeu(:,:)) |
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203 | C |
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204 | C Computation of the mean light over the mixed layer depth |
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205 | C -------------------------------------------------------- |
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206 | C |
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207 | zdepmoy = 0 |
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208 | etmp = 0. |
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209 | emoy = 0. |
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210 | |
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211 | DO jk = 1,jpkm1 |
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212 | DO jj = 1,jpj |
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213 | DO ji = 1,jpi |
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214 | if (fsdepw(ji,jj,jk+1).le.hmld(ji,jj)) then |
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215 | etmp(ji,jj) = etmp(ji,jj)+etot(ji,jj,jk)*fse3t(ji,jj,jk) |
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216 | zdepmoy(ji,jj)=zdepmoy(ji,jj)+fse3t(ji,jj,jk) |
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217 | endif |
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218 | END DO |
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219 | END DO |
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220 | END DO |
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221 | |
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222 | emoy(:,:,:) = etot(:,:,:) |
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223 | |
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224 | DO jk = 1,jpkm1 |
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225 | DO jj = 1,jpj |
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226 | DO ji = 1,jpi |
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227 | IF (fsdepw(ji,jj,jk+1).LE.hmld(ji,jj)) THEN |
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228 | emoy(ji,jj,jk) = etmp(ji,jj)/(zdepmoy(ji,jj)+rtrn) |
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229 | ENDIF |
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230 | END DO |
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231 | END DO |
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232 | END DO |
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233 | |
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234 | # if defined key_trc_diaadd |
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235 | trc2d(:,:,11) = zmeu(:,:) |
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236 | # endif |
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237 | C |
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238 | #endif |
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239 | RETURN |
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240 | END |
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