1 | SUBROUTINE ice_bio_sms(nlay_i,kideb,kiut) |
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2 | ! |
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3 | !-----------------------------------------------------------------------------! |
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4 | ! *** ice_bio_sms *** |
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5 | ! Biological sources minus sinks |
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6 | ! (c) Martin Vancoppenolle, LOCEAN, October 2012 |
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7 | ! |
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8 | ! version : source_3.03 |
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9 | ! status : in permanent revision :-) |
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10 | ! |
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11 | !=============================================================================! |
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12 | ! |
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13 | INCLUDE 'type.com' |
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14 | INCLUDE 'para.com' |
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15 | INCLUDE 'const.com' |
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16 | INCLUDE 'ice.com' |
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17 | INCLUDE 'thermo.com' |
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18 | INCLUDE 'bio.com' |
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19 | |
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20 | INTEGER, DIMENSION(3) :: |
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21 | & zindex |
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22 | |
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23 | REAL, DIMENSION(nlay_bio) :: |
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24 | & zek, |
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25 | & zlim_nut |
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26 | |
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27 | LOGICAL :: |
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28 | & ln_write_bio |
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29 | |
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30 | ln_write_bio = .TRUE. |
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31 | zeps = 1.0e-14 |
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32 | ji = 1 |
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33 | |
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34 | ! |
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35 | !=============================================================================! |
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36 | ! |
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37 | !-----------------------------------------------------------------------------! |
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38 | ! 1) Control prints |
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39 | !-----------------------------------------------------------------------------! |
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40 | ! |
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41 | IF ( ln_write_bio ) THEN |
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42 | |
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43 | WRITE(numout,*) |
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44 | WRITE(numout,*) ' ** ice_bio_sms : ' |
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45 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~ ' |
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46 | WRITE(numout,*) |
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47 | |
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48 | CALL ice_brine |
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49 | |
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50 | WRITE(numout,*) ' Initial tracer values ' |
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51 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~ ' |
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52 | |
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53 | DO jn = 1, ntra_bio |
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54 | IF ( flag_active(jn) ) THEN |
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55 | WRITE(numout,*) ' Tracer : ', biotr_i_nam(jn) |
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56 | WRITE(numout,*) ' cbu_i_bio: ', ( cbu_i_bio(jn,layer), |
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57 | & layer = 1, nlay_bio ) |
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58 | ENDIF ! flag_active |
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59 | END DO ! jn |
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60 | |
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61 | WRITE(numout,*) |
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62 | WRITE(numout,*) ' Parameters ' |
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63 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~ ' |
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64 | WRITE(numout,*) ' si_c : ', si_c |
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65 | WRITE(numout,*) ' no3_c : ', no3_c |
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66 | WRITE(numout,*) ' po4_c : ', po4_c |
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67 | WRITE(numout,*) ' mumax_bio : ', mumax_bio |
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68 | WRITE(numout,*) ' klys_bio : ', klys_bio |
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69 | WRITE(numout,*) ' khs_si_bio: ', khs_si_bio |
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70 | WRITE(numout,*) ' ek_bio : ', ek_bio |
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71 | WRITE(numout,*) ' astar_alg : ', astar_alg |
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72 | WRITE(numout,*) ' rg_bio : ', rg_bio |
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73 | WRITE(numout,*) ' nn_lim_sal: ', nn_lim_sal |
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74 | WRITE(numout,*) ' lim_sal_wid :', lim_sal_wid |
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75 | WRITE(numout,*) ' lim_sal_smax:', lim_sal_smax |
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76 | WRITE(numout,*) |
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77 | |
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78 | ENDIF ! ln_write_bio |
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79 | ! |
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80 | !-----------------------------------------------------------------------------! |
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81 | ! 2) Source Minus Sink terms |
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82 | !-----------------------------------------------------------------------------! |
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83 | ! |
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84 | |
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85 | ! Reference of the upper layer |
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86 | IF ( ( c_grid .EQ. 'SL' ) .OR. ( c_grid .EQ. 'BA' ) ) THEN |
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87 | |
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88 | lim_dsi(:) = 0.; lim_no3(:) = 0.; lim_po4(:) = 0. |
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89 | lim_lig(:) = 0.; lim_tem(:) = 0.; lim_sal(:) = 0. |
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90 | lys_bio(:) = 0.; rem_bio(:) = 0.; syn_bio(:) = 0. |
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91 | rsp_bio(:) = 0.; exu_bio(:) = 0. |
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92 | |
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93 | lim_dsi(nlay_bio) = 1.; lim_no3(nlay_bio) = 1. |
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94 | lim_po4(nlay_bio) = 1. |
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95 | lim_lig(nlay_bio) = 1.; lim_tem(nlay_bio) = 1. |
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96 | lim_sal(nlay_bio) = 1. |
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97 | |
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98 | ELSE |
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99 | |
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100 | lim_dsi(:) = 1.; lim_no3(:) = 1.; lim_po4(:) = 1. |
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101 | lim_lig(:) = 1.; lim_tem(:) = 1.; lim_sal(:) = 1. |
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102 | lys_bio(:) = 0.; rem_bio(:) = 0.; syn_bio(:) = 0. |
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103 | rsp_bio(:) = 0.; exu_bio(:) = 0. |
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104 | |
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105 | ENDIF |
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106 | |
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107 | !------------------------------------------------------------------------ |
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108 | ! 2.1 Limitation factors |
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109 | !------------------------------------------------------------------------ |
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110 | |
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111 | ! 2.1.1 Nutrients & temperature |
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112 | !-------------------------------- |
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113 | DO layer = layer_00, nlay_bio |
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114 | |
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115 | IF ( ln_lim_dsi ) ! DSi limitation |
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116 | & lim_dsi(layer) = c_i_bio(1,layer) |
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117 | & / ( khs_si_bio + c_i_bio(1,layer) ) |
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118 | |
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119 | IF ( ln_lim_no3 ) ! NO3 limitation |
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120 | & lim_no3(layer) = c_i_bio(2,layer) |
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121 | & / ( khs_n_bio + c_i_bio(2,layer) ) |
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122 | |
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123 | IF ( ln_lim_po4 ) ! PO4 limitation |
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124 | & lim_po4(layer) = c_i_bio(3,layer) |
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125 | & / ( khs_p_bio + c_i_bio(3,layer) ) |
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126 | |
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127 | IF ( ln_lim_dsi .OR. ln_lim_no3 .OR. ln_lim_po4 ) ! Nut limitation |
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128 | ! & zlim_nut(layer) = lim_dsi(layer) * lim_no3(layer) |
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129 | ! & * lim_po4(layer) |
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130 | & zlim_nut(layer) = MIN ( lim_dsi(layer) , lim_no3(layer) |
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131 | & , lim_po4(layer) ) |
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132 | |
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133 | IF ( ln_lim_tem ) ! Temperature factor |
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134 | & lim_tem(layer) = EXP( rg_bio * tc_bio(layer) ) |
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135 | |
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136 | END DO ! layer |
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137 | |
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138 | ! 2.1.2 Brine salinity |
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139 | !---------------------- |
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140 | IF ( ln_lim_sal ) THEN |
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141 | |
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142 | SELECT CASE ( nn_lim_sal ) |
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143 | |
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144 | CASE (1) ! Arrigo and Sullivan (1992) |
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145 | |
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146 | DO layer = layer_00, nlay_bio |
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147 | zarg = 2.16 - 8.30e-5 * sbr_bio(layer)**2.11 |
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148 | & - 0.55 * LOG( sbr_bio(layer) ) |
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149 | lim_sal(layer) = EXP ( - zarg * zarg ) |
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150 | END DO |
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151 | |
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152 | CASE (2) ! Simple Gaussian ( Martouf and Grozny, 2010 ) |
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153 | |
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154 | DO layer = layer_00, nlay_bio |
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155 | zarg = ( sbr_bio(layer) - lim_sal_smax ) / lim_sal_wid |
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156 | lim_sal(layer) = EXP( - zarg * zarg ) |
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157 | END DO |
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158 | |
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159 | END SELECT |
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160 | |
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161 | ENDIF ! ln_lim_sal |
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162 | |
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163 | ! 2.1.3 Light |
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164 | !------------- |
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165 | IF ( ln_lim_lig ) THEN |
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166 | |
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167 | SELECT CASE ( nn_phs ) |
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168 | |
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169 | CASE (1) ! prescribed Ek |
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170 | |
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171 | zek(:) = ek_bio |
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172 | chlC_bio(:) = chla_c |
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173 | |
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174 | CASE (2) ! Ek depends on chla/C |
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175 | |
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176 | zek(:) = mumax_bio / ( alpha_bio * chla_c ) |
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177 | chlC_bio(:) = chla_c |
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178 | |
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179 | CASE (3) ! full account for limitation factors |
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180 | |
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181 | zek(:) = mumax_bio * lim_tem(:) * lim_sal(:) |
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182 | & * zlim_nut(:) / ( alpha_bio * chla_c ) |
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183 | chlC_bio(:) = chla_c |
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184 | |
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185 | CASE (4) ! varying chl-a carbon ratio |
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186 | |
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187 | zthmin = 0.01 ! min |
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188 | zthmax = 0.05 ! max |
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189 | |
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190 | DO layer = layer_00, nlay_bio |
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191 | chlC_bio (layer) = ( zthmax - ( zthmax - zthmin ) * |
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192 | & MIN( par_bio(layer) / Estar, 1.0 ) ) * zlim_nut(layer) |
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193 | END DO |
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194 | |
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195 | zek(:) = mumax_bio * lim_tem(:) * lim_sal(:) |
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196 | & * zlim_nut(:) / ( alpha_bio * chlC_bio(:) ) |
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197 | |
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198 | END SELECT |
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199 | |
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200 | DO layer = layer_00, nlay_bio ! Jassby & Platt 76 formulation |
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201 | lim_lig(layer) = TANH ( par_bio(layer) / zek(layer) ) |
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202 | END DO |
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203 | |
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204 | WRITE(numout,*) |
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205 | WRITE(numout,*) ' lim_lig : ', ( lim_lig(layer), |
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206 | & layer = layer_00, nlay_bio ) |
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207 | WRITE(numout,*) ' zlim_nut: ', ( zlim_nut(layer), |
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208 | & layer = layer_00, nlay_bio ) |
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209 | WRITE(numout,*) ' par_bio : ', ( par_bio(layer), |
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210 | & layer = layer_00, nlay_bio ) |
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211 | WRITE(numout,*) ' zek : ', ( zek(layer) , |
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212 | & layer = layer_00, nlay_bio ) |
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213 | WRITE(numout,*) ' chlC_bio: ', ( chlC_bio(layer), |
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214 | & layer = layer_00, nlay_bio ) |
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215 | WRITE(numout,*) |
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216 | |
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217 | ENDIF ! ln_lim_lig |
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218 | |
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219 | IF ( .NOT. ln_lim_lig ) chlC_bio(:) = chla_c |
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220 | |
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221 | !------------------------------------------------------------------------ |
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222 | ! 2.2 Loss & remineralization |
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223 | !------------------------------------------------------------------------ |
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224 | |
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225 | ! Exudation is zero |
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226 | exu_bio(:) = 0.0 |
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227 | |
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228 | DO layer = layer_00, nlay_bio |
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229 | |
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230 | ! Respiration (NP, NPDr) |
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231 | ! IF ( ln_rsp ) ... |
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232 | rsp_bio(layer) = krsp_bio * cbu_i_bio(jn_aoc,layer) * |
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233 | & lim_tem(layer) |
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234 | |
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235 | ! Lysis (NP, NPDr) |
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236 | IF ( ln_lys ) THEN |
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237 | |
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238 | IF ( nn_lys .GE. 1 ) ! no T-dependence |
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239 | & lys_bio(layer) = klys_bio * cbu_i_bio(jn_aoc,layer) |
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240 | |
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241 | IF ( nn_lys .EQ. 2 ) ! T-dependence |
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242 | & lys_bio(layer) = lys_bio(layer) * lim_tem(layer) |
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243 | |
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244 | ENDIF |
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245 | |
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246 | END DO |
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247 | |
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248 | ! Remineralization |
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249 | IF ( ln_rem ) THEN |
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250 | |
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251 | SELECT CASE ( nn_bio_opt ) |
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252 | |
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253 | CASE(0) ! NP |
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254 | |
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255 | rem_bio(layer_00:nlay_bio) = frem_bio * |
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256 | & lys_bio(layer_00:nlay_bio) |
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257 | |
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258 | CASE(1) ! NPDr |
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259 | |
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260 | IF ( nn_rem .GE. 1 ) ! no T-dependence |
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261 | & rem_bio(layer_00:nlay_bio) = krem_bio * |
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262 | & cbu_i_bio(jn_eoc,layer_00:nlay_bio) |
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263 | |
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264 | |
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265 | IF ( nn_rem .EQ. 2 ) ! T-dependence |
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266 | & rem_bio(layer_00:nlay_bio) = rem_bio(layer_00:nlay_bio) * |
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267 | & EXP( rg_bac * tc_bio(layer_00:nlay_bio) ) |
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268 | |
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269 | END SELECT |
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270 | |
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271 | ENDIF |
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272 | |
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273 | |
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274 | !------------------------------------------------------------------------ |
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275 | ! 2.3 Diatom Synthesis |
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276 | !------------------------------------------------------------------------ |
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277 | |
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278 | DO layer = layer_00, nlay_bio |
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279 | |
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280 | IF ( ln_syn ) THEN |
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281 | ! raw synthesis (in s-1) |
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282 | z_syn = mumax_bio |
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283 | & * lim_tem(layer) * lim_sal(layer) * lim_lig(layer) |
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284 | & * zlim_nut(layer) |
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285 | |
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286 | ! preclude excessive growth if insufficient nutrient stock |
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287 | zsyn1 = z_syn * cbu_i_bio(jn_aoc,layer) ! normal carbon production rate (mmolC/m3/s) |
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288 | zsyn2 = zsyn1; zsyn3 = zsyn1; zsyn4 = zsyn1 |
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289 | |
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290 | IF ( ln_lim_dsi ) ! prevent exhaustion of Si |
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291 | & zsyn2 = cbu_i_bio(jn_dsi,layer) / ddtb / si_c - zeps |
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292 | |
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293 | IF ( ln_lim_no3 ) ! prevent exhaustion of N |
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294 | & zsyn3 = cbu_i_bio(jn_din,layer) / ddtb / no3_c - zeps |
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295 | |
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296 | IF ( ln_lim_po4 ) ! prevent exhaustion of P |
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297 | & zsyn4 = cbu_i_bio(jn_dip,layer) / ddtb / po4_c - zeps |
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298 | |
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299 | ! nutrient stock-limited PP rate |
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300 | syn_bio(layer) = MIN( zsyn1, zsyn2, zsyn3, zsyn4 ) |
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301 | |
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302 | ELSE ! ln_syn is .FALSE. |
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303 | ! PP is prescribed to zero everywhere |
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304 | ! except in the bottom layer |
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305 | ! where it equals pp_presc |
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306 | ! if sun is shining |
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307 | |
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308 | IF ( ( layer .EQ. nlay_bio ) .AND. ( fsolgb(ji) .GT. 5.0 ) ) |
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309 | & syn_bio(layer) = pp_presc |
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310 | |
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311 | ENDIF ! ln_syn |
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312 | |
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313 | |
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314 | END DO ! layer |
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315 | |
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316 | !------------------------------------------------------------------------ |
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317 | ! 2.4 Update reservoirs |
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318 | !------------------------------------------------------------------------ |
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319 | |
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320 | DO layer = layer_00, nlay_bio |
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321 | |
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322 | ! DSi uptake |
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323 | zd_dsi1 = si_c * ( rem_bio(layer) + |
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324 | & rsp_bio(layer) - syn_bio(layer) ) * ddtb |
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325 | zd_dsi2 = - cbu_i_bio(jn_dsi,layer) ! Maximum DSi uptake |
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326 | zd_dsi = MAX ( zd_dsi1, zd_dsi2 ) |
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327 | |
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328 | ! NO3 uptake |
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329 | zd_no31 = no3_c * ( rem_bio(layer) + |
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330 | & rsp_bio(layer) - syn_bio(layer) ) * ddtb |
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331 | zd_no32 = - cbu_i_bio(jn_din,layer) ! Max NO3 uptake |
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332 | zd_no3 = MAX ( zd_no31, zd_no32 ) |
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333 | |
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334 | ! update PO4 |
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335 | zd_po41 = po4_c * ( rem_bio(layer) + |
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336 | & rsp_bio(layer) - syn_bio(layer) ) * ddtb |
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337 | zd_po42 = - cbu_i_bio(jn_dip,layer) ! Max PO4 uptake |
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338 | zd_po4 = MAX ( zd_po41, zd_po42 ) |
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339 | |
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340 | ! update algae |
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341 | zd_daf1 = ( syn_bio(layer) - lys_bio(layer) - |
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342 | & rsp_bio(layer) - exu_bio(layer) ) * ddtb |
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343 | zd_daf2 = - cbu_i_bio(jn_aoc,layer) ! Max algal carbon loss |
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344 | zd_daf = MAX ( zd_daf1, zd_daf2 ) |
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345 | |
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346 | ! update detritus |
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347 | IF ( nn_bio_opt .GE. 1 ) THEN |
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348 | zd_eoc1 = ( lys_bio(layer) + exu_bio(layer) - |
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349 | & rem_bio(layer) ) * ddtb |
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350 | zd_eoc2 = - cbu_i_bio(jn_eoc,layer) ! Max detrital carbon loss |
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351 | zd_eoc = MAX( zd_eoc1, zd_eoc2 ) |
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352 | ENDIF |
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353 | |
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354 | cbu_i_bio(jn_dsi,layer) = cbu_i_bio(jn_dsi,layer) + zd_dsi |
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355 | cbu_i_bio(jn_din,layer) = cbu_i_bio(jn_din,layer) + zd_no3 |
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356 | cbu_i_bio(jn_dip,layer) = cbu_i_bio(jn_dip,layer) + zd_po4 |
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357 | cbu_i_bio(jn_aoc,layer) = cbu_i_bio(jn_aoc,layer) + zd_daf |
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358 | |
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359 | IF ( nn_bio_opt .GE. 1 ) |
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360 | & cbu_i_bio(jn_eoc,layer) = cbu_i_bio(jn_eoc,layer) + zd_eoc |
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361 | |
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362 | IF ( ln_write_bio ) THEN |
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363 | |
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364 | WRITE(numout,*) ' Terms for layer: ', layer |
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365 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~ ' |
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366 | WRITE(numout,*) ' syn_bio : ', syn_bio(layer) |
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367 | WRITE(numout,*) ' lys_bio : ', lys_bio(layer) |
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368 | WRITE(numout,*) ' rem_bio : ', rem_bio(layer) |
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369 | WRITE(numout,*) ' exu_bio : ', exu_bio(layer) |
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370 | WRITE(numout,*) ' rsp_bio : ', rsp_bio(layer) |
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371 | WRITE(numout,*) ' lim_dsi : ', lim_dsi(layer) |
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372 | WRITE(numout,*) ' lim_no3 : ', lim_no3(layer) |
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373 | WRITE(numout,*) ' lim_po4 : ', lim_po4(layer) |
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374 | WRITE(numout,*) ' lim_lig : ', lim_lig(layer) |
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375 | WRITE(numout,*) ' lim_tem : ', lim_tem(layer) |
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376 | WRITE(numout,*) ' lim_sal : ', lim_sal(layer) |
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377 | WRITE(numout,*) |
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378 | WRITE(numout,*) ' tc_bio : ', tc_bio(layer) |
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379 | WRITE(numout,*) ' sbr_bio : ', sbr_bio(layer) |
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380 | WRITE(numout,*) ' par_bio : ', par_bio(layer) |
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381 | WRITE(numout,*) |
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382 | WRITE(numout,*) ' zd_dsi : ', zd_dsi |
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383 | WRITE(numout,*) ' zd_no3 : ', zd_no3 |
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384 | WRITE(numout,*) ' zd_po4 : ', zd_po4 |
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385 | WRITE(numout,*) ' zd_daf : ', zd_daf |
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386 | WRITE(numout,*) ' zd_eoc : ', zd_eoc |
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387 | WRITE(numout,*) |
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388 | WRITE(numout,*) ' dSi : ', cbu_i_bio(jn_dsi,layer) |
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389 | WRITE(numout,*) ' dIN : ', cbu_i_bio(jn_din,layer) |
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390 | WRITE(numout,*) ' dIP : ', cbu_i_bio(jn_dip,layer) |
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391 | WRITE(numout,*) ' AoC : ', cbu_i_bio(jn_aoc,layer) |
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392 | WRITE(numout,*) ' eoC : ', cbu_i_bio(jn_eoc,layer) |
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393 | WRITE(numout,*) |
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394 | |
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395 | ENDIF ! ln_write_bio |
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396 | |
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397 | END DO ! layer |
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398 | |
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399 | !------------------------------------------------------------------------ |
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400 | ! 2.5 Update DIC, Alk and Oxy |
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401 | !------------------------------------------------------------------------ |
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402 | |
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403 | DO layer = layer_00, nlay_bio |
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404 | |
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405 | zncp = - syn_bio(layer) + rsp_bio(layer) + rem_bio(layer) |
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406 | |
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407 | IF ( ln_carbon .AND. flag_active(jn_dic) |
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408 | & .AND. flag_active(jn_alk) ) THEN |
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409 | |
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410 | zd_dic1 = - zncp * ddtb |
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411 | zd_dic2 = - cbu_i_bio(jn_dic,layer) |
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412 | zd_dic = MAX( zd_dic1 , zd_dic2 ) |
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413 | |
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414 | zd_alk1 = no3_c * zncp * ddtb |
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415 | zd_alk2 = - cbu_i_bio(jn_alk,layer) |
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416 | zd_alk = MAX( zd_alk1 , zd_alk2 ) |
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417 | |
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418 | cbu_i_bio(jn_dic,layer) = cbu_i_bio(jn_dic,layer) + zd_dic |
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419 | cbu_i_bio(jn_alk,layer) = cbu_i_bio(jn_alk,layer) + zd_alk |
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420 | |
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421 | IF ( ln_write_bio ) THEN |
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422 | WRITE(numout,*) ' DIC : ', cbu_i_bio(jn_dic,layer) |
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423 | WRITE(numout,*) ' Alk : ', cbu_i_bio(jn_alk,layer) |
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424 | ENDIF |
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425 | |
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426 | ENDIF |
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427 | |
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428 | IF ( flag_active(jn_oxy) ) THEN |
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429 | |
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430 | zd_oxy1 = oxy_c * zncp * ddtb |
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431 | zd_oxy2 = - cbu_i_bio(jn_oxy,layer) |
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432 | zd_oxy = MAX( zd_oxy1, zd_oxy2 ) |
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433 | |
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434 | cbu_i_bio(jn_oxy,layer) = cbu_i_bio(jn_oxy,layer) + zd_oxy |
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435 | |
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436 | IF ( ln_write_bio ) THEN |
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437 | WRITE(numout,*) ' Oxy : ', cbu_i_bio(jn_oxy,layer) |
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438 | ENDIF |
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439 | |
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440 | ENDIF |
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441 | |
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442 | END DO |
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443 | |
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444 | ! |
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445 | !------------------------------------------------------------------------------! |
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446 | ! X) End of the routine |
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447 | !------------------------------------------------------------------------------! |
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448 | ! |
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449 | WRITE(numout,*) |
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450 | WRITE(numout,*) ' *** After biological sources and sinks *** ' |
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451 | WRITE(numout,*) ' model output ' |
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452 | DO jn = 1, ntra_bio |
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453 | IF ( flag_active(jn) ) THEN |
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454 | WRITE(numout,*) ' biotr_i_nam : ', biotr_i_nam(jn) |
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455 | WRITE(numout,*) ' cbu_i_bio : ', ( cbu_i_bio(jn, jk), jk = 1, |
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456 | & nlay_bio ) |
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457 | ENDIF |
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458 | END DO |
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459 | WRITE(numout,*) |
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460 | |
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461 | WRITE(numout,*) |
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462 | WRITE(numout,*) ' End of ice_bio_sms ' |
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463 | WRITE(numout,*) '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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464 | |
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465 | |
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466 | !==============================================================================| |
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467 | ! Fin de la routine ice_bio_sms |
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468 | WRITE(numout,*) |
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469 | |
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470 | END |
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