1 | MODULE p5zlim |
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2 | !!====================================================================== |
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3 | !! *** MODULE p5zlim *** |
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4 | !! TOP : PISCES with variable stoichiometry |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2004 (O. Aumont) Original code |
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7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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8 | !! 3.4 ! 2011-04 (O. Aumont, C. Ethe) Limitation for iron modelled in quota |
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9 | !! 3.6 ! 2015-05 (O. Aumont) PISCES quota |
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10 | !!---------------------------------------------------------------------- |
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11 | !! p5z_lim : Compute the nutrients limitation terms |
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12 | !! p5z_lim_init : Read the namelist |
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13 | !!---------------------------------------------------------------------- |
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14 | USE oce_trc ! Shared ocean-passive tracers variables |
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15 | USE trc ! Tracers defined |
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16 | USE p4zlim |
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17 | USE sms_pisces ! PISCES variables |
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18 | USE iom ! I/O manager |
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19 | |
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20 | IMPLICIT NONE |
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21 | PRIVATE |
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22 | |
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23 | PUBLIC p5z_lim |
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24 | PUBLIC p5z_lim_init |
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25 | PUBLIC p5z_lim_alloc |
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26 | |
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27 | !! * Shared module variables |
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28 | REAL(wp), PUBLIC :: concpno3 !: NO3, PO4 half saturation |
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29 | REAL(wp), PUBLIC :: concpnh4 !: NH4 half saturation for phyto |
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30 | REAL(wp), PUBLIC :: concnpo4 !: NH4 half saturation for diatoms |
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31 | REAL(wp), PUBLIC :: concppo4 !: NH4 half saturation for diatoms |
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32 | REAL(wp), PUBLIC :: concdpo4 !: NH4 half saturation for diatoms |
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33 | REAL(wp), PUBLIC :: concpfer !: Iron half saturation for nanophyto |
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34 | REAL(wp), PUBLIC :: concbpo4 !: PO4 half saturation for bacteria |
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35 | REAL(wp), PUBLIC :: xsizepic !: Minimum size criteria for diatoms |
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36 | REAL(wp), PUBLIC :: xsizerp !: Size ratio for nanophytoplankton |
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37 | REAL(wp), PUBLIC :: qfnopt !: optimal Fe quota for nanophyto |
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38 | REAL(wp), PUBLIC :: qfpopt !: optimal Fe quota for nanophyto |
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39 | REAL(wp), PUBLIC :: qfdopt !: optimal Fe quota for diatoms |
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40 | REAL(wp), PUBLIC :: qnnmin !: optimal Fe quota for diatoms |
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41 | REAL(wp), PUBLIC :: qnnmax !: optimal Fe quota for diatoms |
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42 | REAL(wp), PUBLIC :: qpnmin !: optimal Fe quota for diatoms |
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43 | REAL(wp), PUBLIC :: qpnmax !: optimal Fe quota for diatoms |
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44 | REAL(wp), PUBLIC :: qnpmin !: optimal Fe quota for diatoms |
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45 | REAL(wp), PUBLIC :: qnpmax !: optimal Fe quota for diatoms |
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46 | REAL(wp), PUBLIC :: qppmin !: optimal Fe quota for diatoms |
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47 | REAL(wp), PUBLIC :: qppmax !: optimal Fe quota for diatoms |
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48 | REAL(wp), PUBLIC :: qndmin !: optimal Fe quota for diatoms |
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49 | REAL(wp), PUBLIC :: qndmax !: optimal Fe quota for diatoms |
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50 | REAL(wp), PUBLIC :: qpdmin !: optimal Fe quota for diatoms |
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51 | REAL(wp), PUBLIC :: qpdmax !: optimal Fe quota for diatoms |
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52 | REAL(wp), PUBLIC :: qfnmax !: optimal Fe quota for diatoms |
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53 | REAL(wp), PUBLIC :: qfpmax !: optimal Fe quota for diatoms |
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54 | REAL(wp), PUBLIC :: qfdmax !: optimal Fe quota for diatoms |
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55 | REAL(wp), PUBLIC :: zpsinh4 |
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56 | REAL(wp), PUBLIC :: zpsino3 |
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57 | REAL(wp), PUBLIC :: zpsiuptk |
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58 | |
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59 | !!* Allometric variations of the quotas |
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60 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqnnmin !: ??? |
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61 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqnnmax !: ??? |
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62 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqpnmin !: ??? |
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63 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqpnmax !: ??? |
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64 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqnpmin !: ??? |
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65 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqnpmax !: ??? |
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66 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqppmin !: ??? |
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67 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqppmax !: ??? |
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68 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqndmin !: ??? |
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69 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqndmax !: ??? |
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70 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqpdmin !: ??? |
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71 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqpdmax !: ??? |
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72 | |
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73 | !!* Phytoplankton limitation terms |
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74 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpicono3 !: ??? |
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75 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpiconh4 !: ??? |
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76 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpicopo4 !: ??? |
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77 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanodop !: ??? |
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78 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpicodop !: ??? |
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79 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatdop !: ??? |
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80 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanofer !: ??? |
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81 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpicofer !: ??? |
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82 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatfer !: ??? |
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83 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimpic !: ??? |
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84 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimpfe !: ??? |
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85 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: fvnuptk |
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86 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: fvpuptk |
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87 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: fvduptk |
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88 | |
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89 | ! Coefficient for iron limitation |
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90 | REAL(wp) :: xcoef1 = 0.00167 / 55.85 |
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91 | REAL(wp) :: xcoef2 = 1.21E-5 * 14. / 55.85 / 7.625 * 0.5 * 1.5 |
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92 | REAL(wp) :: xcoef3 = 1.15E-4 * 14. / 55.85 / 7.625 * 0.5 |
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93 | !! * Substitutions |
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94 | # include "do_loop_substitute.h90" |
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95 | !!---------------------------------------------------------------------- |
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96 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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97 | !! $Id: p5zlim.F90 10070 2018-08-28 14:30:54Z nicolasmartin $ |
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98 | !! Software governed by the CeCILL license (see ./LICENSE) |
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99 | !!---------------------------------------------------------------------- |
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100 | |
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101 | CONTAINS |
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102 | |
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103 | SUBROUTINE p5z_lim( kt, knt, Kbb, Kmm ) |
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104 | !!--------------------------------------------------------------------- |
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105 | !! *** ROUTINE p5z_lim *** |
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106 | !! |
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107 | !! ** Purpose : Compute the co-limitations by the various nutrients |
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108 | !! for the various phytoplankton species |
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109 | !! |
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110 | !! ** Method : - ??? |
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111 | !!--------------------------------------------------------------------- |
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112 | ! |
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113 | INTEGER, INTENT(in) :: kt, knt |
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114 | INTEGER, INTENT(in) :: Kbb, Kmm ! time level indices |
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115 | ! |
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116 | INTEGER :: ji, jj, jk |
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117 | REAL(wp) :: zlim1, zlim2, zlim3, zlim4, zno3, zferlim |
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118 | REAL(wp) :: z1_trndia, z1_trnpic, z1_trnphy, ztem1, ztem2, zetot1 |
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119 | REAL(wp) :: zratio, zration, zratiof, znutlim, zfalim |
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120 | REAL(wp) :: zconc1d, zconc1dnh4, zconc0n, zconc0nnh4, zconc0npo4, zconc0dpo4 |
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121 | REAL(wp) :: zconc0p, zconc0pnh4, zconc0ppo4, zconcpfe, zconcnfe, zconcdfe |
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122 | REAL(wp) :: fanano, fananop, fananof, fadiat, fadiatp, fadiatf |
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123 | REAL(wp) :: fapico, fapicop, fapicof |
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124 | REAL(wp) :: zrpho, zrass, zcoef, zfuptk, zratchl |
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125 | REAL(wp) :: zfvn, zfvp, zfvf, zsizen, zsizep, zsized, znanochl, zpicochl, zdiatchl |
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126 | REAL(wp) :: zqfemn, zqfemp, zqfemd, zbactno3, zbactnh4 |
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127 | !!--------------------------------------------------------------------- |
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128 | ! |
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129 | IF( ln_timing ) CALL timing_start('p5z_lim') |
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130 | ! |
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131 | zratchl = 6.0 |
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132 | ! |
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133 | DO_3D_11_11( 1, jpkm1 ) |
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134 | ! |
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135 | ! Tuning of the iron concentration to a minimum level that is set to the detection limit |
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136 | !------------------------------------- |
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137 | zno3 = tr(ji,jj,jk,jpno3,Kbb) / 40.e-6 |
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138 | zferlim = MAX( 3e-11 * zno3 * zno3, 5e-12 ) |
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139 | zferlim = MIN( zferlim, 7e-11 ) |
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140 | tr(ji,jj,jk,jpfer,Kbb) = MAX( tr(ji,jj,jk,jpfer,Kbb), zferlim ) |
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141 | |
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142 | ! Computation of the mean relative size of each community |
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143 | ! ------------------------------------------------------- |
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144 | z1_trnphy = 1. / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) |
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145 | z1_trnpic = 1. / ( tr(ji,jj,jk,jppic,Kbb) + rtrn ) |
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146 | z1_trndia = 1. / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
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147 | znanochl = tr(ji,jj,jk,jpnch,Kbb) * z1_trnphy |
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148 | zpicochl = tr(ji,jj,jk,jppch,Kbb) * z1_trnpic |
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149 | zdiatchl = tr(ji,jj,jk,jpdch,Kbb) * z1_trndia |
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150 | |
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151 | ! Computation of a variable Ks for iron on diatoms taking into account |
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152 | ! that increasing biomass is made of generally bigger cells |
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153 | !------------------------------------------------ |
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154 | zsized = sized(ji,jj,jk)**0.81 |
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155 | zconcdfe = concdfer * zsized |
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156 | zconc1d = concdno3 * zsized |
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157 | zconc1dnh4 = concdnh4 * zsized |
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158 | zconc0dpo4 = concdpo4 * zsized |
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159 | |
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160 | zsizep = 1. |
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161 | zconcpfe = concpfer * zsizep |
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162 | zconc0p = concpno3 * zsizep |
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163 | zconc0pnh4 = concpnh4 * zsizep |
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164 | zconc0ppo4 = concppo4 * zsizep |
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165 | |
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166 | zsizen = 1. |
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167 | zconcnfe = concnfer * zsizen |
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168 | zconc0n = concnno3 * zsizen |
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169 | zconc0nnh4 = concnnh4 * zsizen |
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170 | zconc0npo4 = concnpo4 * zsizen |
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171 | |
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172 | ! Allometric variations of the minimum and maximum quotas |
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173 | ! From Talmy et al. (2014) and Maranon et al. (2013) |
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174 | ! ------------------------------------------------------- |
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175 | xqnnmin(ji,jj,jk) = qnnmin |
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176 | xqnnmax(ji,jj,jk) = qnnmax |
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177 | xqndmin(ji,jj,jk) = qndmin * sized(ji,jj,jk)**(-0.27) |
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178 | xqndmax(ji,jj,jk) = qndmax |
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179 | xqnpmin(ji,jj,jk) = qnpmin |
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180 | xqnpmax(ji,jj,jk) = qnpmax |
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181 | |
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182 | ! Computation of the optimal allocation parameters |
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183 | ! Based on the different papers by Pahlow et al., and Smith et al. |
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184 | ! ----------------------------------------------------------------- |
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185 | znutlim = MAX( tr(ji,jj,jk,jpnh4,Kbb) / zconc0nnh4, & |
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186 | & tr(ji,jj,jk,jpno3,Kbb) / zconc0n) |
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187 | fanano = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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188 | znutlim = tr(ji,jj,jk,jppo4,Kbb) / zconc0npo4 |
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189 | fananop = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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190 | znutlim = biron(ji,jj,jk) / zconcnfe |
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191 | fananof = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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192 | znutlim = MAX( tr(ji,jj,jk,jpnh4,Kbb) / zconc0pnh4, & |
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193 | & tr(ji,jj,jk,jpno3,Kbb) / zconc0p) |
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194 | fapico = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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195 | znutlim = tr(ji,jj,jk,jppo4,Kbb) / zconc0ppo4 |
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196 | fapicop = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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197 | znutlim = biron(ji,jj,jk) / zconcpfe |
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198 | fapicof = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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199 | znutlim = MAX( tr(ji,jj,jk,jpnh4,Kbb) / zconc1dnh4, & |
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200 | & tr(ji,jj,jk,jpno3,Kbb) / zconc1d ) |
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201 | fadiat = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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202 | znutlim = tr(ji,jj,jk,jppo4,Kbb) / zconc0dpo4 |
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203 | fadiatp = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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204 | znutlim = biron(ji,jj,jk) / zconcdfe |
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205 | fadiatf = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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206 | ! |
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207 | ! Michaelis-Menten Limitation term for nutrients Small bacteria |
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208 | ! ------------------------------------------------------------- |
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209 | zbactnh4 = tr(ji,jj,jk,jpnh4,Kbb) / ( concbnh4 + tr(ji,jj,jk,jpnh4,Kbb) ) |
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210 | zbactno3 = tr(ji,jj,jk,jpno3,Kbb) / ( concbno3 + tr(ji,jj,jk,jpno3,Kbb) ) * (1. - zbactnh4) |
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211 | ! |
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212 | zlim1 = zbactno3 + zbactnh4 |
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213 | zlim2 = tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + concbpo4) |
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214 | zlim3 = biron(ji,jj,jk) / ( concbfe + biron(ji,jj,jk) ) |
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215 | zlim4 = tr(ji,jj,jk,jpdoc,Kbb) / ( xkdoc + tr(ji,jj,jk,jpdoc,Kbb) ) |
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216 | xlimbacl(ji,jj,jk) = MIN( zlim1, zlim2, zlim3 ) |
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217 | xlimbac (ji,jj,jk) = xlimbacl(ji,jj,jk) * zlim4 |
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218 | ! |
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219 | ! Michaelis-Menten Limitation term for nutrients Small flagellates |
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220 | ! ----------------------------------------------- |
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221 | zfalim = (1.-fanano) / fanano |
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222 | xnanonh4(ji,jj,jk) = (1. - fanano) * tr(ji,jj,jk,jpnh4,Kbb) / ( zfalim * zconc0nnh4 + tr(ji,jj,jk,jpnh4,Kbb) ) |
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223 | xnanono3(ji,jj,jk) = (1. - fanano) * tr(ji,jj,jk,jpno3,Kbb) / ( zfalim * zconc0n + tr(ji,jj,jk,jpno3,Kbb) ) & |
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224 | & * (1. - xnanonh4(ji,jj,jk)) |
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225 | ! |
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226 | zfalim = (1.-fananop) / fananop |
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227 | xnanopo4(ji,jj,jk) = (1. - fananop) * tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + zfalim * zconc0npo4 ) |
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228 | xnanodop(ji,jj,jk) = tr(ji,jj,jk,jpdop,Kbb) / ( tr(ji,jj,jk,jpdop,Kbb) + xkdoc ) & |
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229 | & * ( 1.0 - xnanopo4(ji,jj,jk) ) |
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230 | xnanodop(ji,jj,jk) = 0. |
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231 | ! |
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232 | zfalim = (1.-fananof) / fananof |
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233 | xnanofer(ji,jj,jk) = (1. - fananof) * biron(ji,jj,jk) / ( biron(ji,jj,jk) + zfalim * zconcnfe ) |
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234 | ! |
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235 | zratiof = tr(ji,jj,jk,jpnfe,Kbb) * z1_trnphy |
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236 | zqfemn = xcoef1 * znanochl + xcoef2 + xcoef3 * xnanono3(ji,jj,jk) |
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237 | ! |
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238 | zration = tr(ji,jj,jk,jpnph,Kbb) * z1_trnphy |
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239 | zration = MIN(xqnnmax(ji,jj,jk), MAX( 2. * xqnnmin(ji,jj,jk), zration )) |
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240 | fvnuptk(ji,jj,jk) = 1. / zpsiuptk * rno3 * 2. * xqnnmin(ji,jj,jk) / (zration + rtrn) & |
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241 | & * MAX(0., (1. - zratchl * znanochl / 12. ) ) |
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242 | ! |
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243 | zlim1 = max(0., (zration - 2. * xqnnmin(ji,jj,jk) ) & |
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244 | & / (xqnnmax(ji,jj,jk) - 2. * xqnnmin(ji,jj,jk) ) ) * xqnnmax(ji,jj,jk) & |
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245 | & / (zration + rtrn) |
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246 | zlim3 = MAX( 0.,( zratiof - zqfemn ) / qfnopt ) |
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247 | xlimnfe(ji,jj,jk) = MIN( 1., zlim3 ) |
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248 | xlimphy(ji,jj,jk) = MIN( 1., zlim1, zlim3 ) |
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249 | ! |
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250 | ! Michaelis-Menten Limitation term for nutrients picophytoplankton |
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251 | ! ---------------------------------------------------------------- |
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252 | zfalim = (1.-fapico) / fapico |
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253 | xpiconh4(ji,jj,jk) = (1. - fapico) * tr(ji,jj,jk,jpnh4,Kbb) / ( zfalim * zconc0pnh4 + tr(ji,jj,jk,jpnh4,Kbb) ) |
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254 | xpicono3(ji,jj,jk) = (1. - fapico) * tr(ji,jj,jk,jpno3,Kbb) / ( zfalim * zconc0p + tr(ji,jj,jk,jpno3,Kbb) ) & |
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255 | & * (1. - xpiconh4(ji,jj,jk)) |
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256 | ! |
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257 | zfalim = (1.-fapicop) / fapicop |
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258 | xpicopo4(ji,jj,jk) = (1. - fapicop) * tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + zfalim * zconc0ppo4 ) |
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259 | xpicodop(ji,jj,jk) = tr(ji,jj,jk,jpdop,Kbb) / ( tr(ji,jj,jk,jpdop,Kbb) + xkdoc ) & |
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260 | & * ( 1.0 - xpicopo4(ji,jj,jk) ) |
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261 | xpicodop(ji,jj,jk) = 0. |
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262 | ! |
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263 | zfalim = (1.-fapicof) / fapicof |
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264 | xpicofer(ji,jj,jk) = (1. - fapicof) * biron(ji,jj,jk) / ( biron(ji,jj,jk) + zfalim * zconcpfe ) |
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265 | ! |
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266 | zratiof = tr(ji,jj,jk,jppfe,Kbb) * z1_trnpic |
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267 | zqfemp = xcoef1 * zpicochl + xcoef2 + xcoef3 * xpicono3(ji,jj,jk) |
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268 | ! |
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269 | zration = tr(ji,jj,jk,jpnpi,Kbb) * z1_trnpic |
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270 | zration = MIN(xqnpmax(ji,jj,jk), MAX( 2. * xqnpmin(ji,jj,jk), zration )) |
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271 | fvpuptk(ji,jj,jk) = 1. / zpsiuptk * rno3 * 2. * xqnpmin(ji,jj,jk) / (zration + rtrn) & |
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272 | & * MAX(0., (1. - zratchl * zpicochl / 12. ) ) |
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273 | ! |
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274 | zlim1 = max(0., (zration - 2. * xqnpmin(ji,jj,jk) ) & |
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275 | & / (xqnpmax(ji,jj,jk) - 2. * xqnpmin(ji,jj,jk) ) ) * xqnpmax(ji,jj,jk) & |
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276 | & / (zration + rtrn) |
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277 | zlim3 = MAX( 0.,( zratiof - zqfemp ) / qfpopt ) |
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278 | xlimpfe(ji,jj,jk) = MIN( 1., zlim3 ) |
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279 | xlimpic(ji,jj,jk) = MIN( 1., zlim1, zlim3 ) |
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280 | ! |
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281 | ! Michaelis-Menten Limitation term for nutrients Diatoms |
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282 | ! ------------------------------------------------------ |
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283 | zfalim = (1.-fadiat) / fadiat |
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284 | xdiatnh4(ji,jj,jk) = (1. - fadiat) * tr(ji,jj,jk,jpnh4,Kbb) / ( zfalim * zconc1dnh4 + tr(ji,jj,jk,jpnh4,Kbb) ) |
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285 | xdiatno3(ji,jj,jk) = (1. - fadiat) * tr(ji,jj,jk,jpno3,Kbb) / ( zfalim * zconc1d + tr(ji,jj,jk,jpno3,Kbb) ) & |
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286 | & * (1. - xdiatnh4(ji,jj,jk)) |
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287 | ! |
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288 | zfalim = (1.-fadiatp) / fadiatp |
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289 | xdiatpo4(ji,jj,jk) = (1. - fadiatp) * tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + zfalim * zconc0dpo4 ) |
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290 | xdiatdop(ji,jj,jk) = tr(ji,jj,jk,jpdop,Kbb) / ( tr(ji,jj,jk,jpdop,Kbb) + xkdoc ) & |
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291 | & * ( 1.0 - xdiatpo4(ji,jj,jk) ) |
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292 | xdiatdop(ji,jj,jk) = 0. |
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293 | ! |
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294 | zfalim = (1.-fadiatf) / fadiatf |
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295 | xdiatfer(ji,jj,jk) = (1. - fadiatf) * biron(ji,jj,jk) / ( biron(ji,jj,jk) + zfalim * zconcdfe ) |
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296 | ! |
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297 | zratiof = tr(ji,jj,jk,jpdfe,Kbb) * z1_trndia |
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298 | zqfemd = xcoef1 * zdiatchl + xcoef2 + xcoef3 * xdiatno3(ji,jj,jk) |
---|
299 | ! |
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300 | zration = tr(ji,jj,jk,jpndi,Kbb) * z1_trndia |
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301 | zration = MIN(xqndmax(ji,jj,jk), MAX( 2. * xqndmin(ji,jj,jk), zration )) |
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302 | fvduptk(ji,jj,jk) = 1. / zpsiuptk * rno3 * 2. * xqndmin(ji,jj,jk) / (zration + rtrn) & |
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303 | & * MAX(0., (1. - zratchl * zdiatchl / 12. ) ) |
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304 | ! |
---|
305 | zlim1 = max(0., (zration - 2. * xqndmin(ji,jj,jk) ) & |
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306 | & / (xqndmax(ji,jj,jk) - 2. * xqndmin(ji,jj,jk) ) ) & |
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307 | & * xqndmax(ji,jj,jk) / (zration + rtrn) |
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308 | zlim3 = tr(ji,jj,jk,jpsil,Kbb) / ( tr(ji,jj,jk,jpsil,Kbb) + xksi(ji,jj) ) |
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309 | zlim4 = MAX( 0., ( zratiof - zqfemd ) / qfdopt ) |
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310 | xlimdfe(ji,jj,jk) = MIN( 1., zlim4 ) |
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311 | xlimdia(ji,jj,jk) = MIN( 1., zlim1, zlim3, zlim4 ) |
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312 | xlimsi(ji,jj,jk) = MIN( zlim1, zlim4 ) |
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313 | END_3D |
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314 | ! |
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315 | ! Compute the phosphorus quota values. It is based on Litchmann et al., 2004 and Daines et al, 2013. |
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316 | ! The relative contribution of three fonctional pools are computed: light harvesting apparatus, |
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317 | ! nutrient uptake pool and assembly machinery. DNA is assumed to represent 1% of the dry mass of |
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318 | ! phytoplankton (see Daines et al., 2013). |
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319 | ! -------------------------------------------------------------------------------------------------- |
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320 | DO_3D_11_11( 1, jpkm1 ) |
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321 | ! Size estimation of nanophytoplankton |
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322 | ! ------------------------------------ |
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323 | zfvn = 2. * fvnuptk(ji,jj,jk) |
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324 | sizen(ji,jj,jk) = MAX(1., MIN(xsizern, 1.0 / ( MAX(rtrn, zfvn) ) ) ) |
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325 | |
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326 | ! N/P ratio of nanophytoplankton |
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327 | ! ------------------------------ |
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328 | zfuptk = 0.23 * zfvn |
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329 | zrpho = 2.24 * tr(ji,jj,jk,jpnch,Kbb) / ( tr(ji,jj,jk,jpnph,Kbb) * rno3 * 15. + rtrn ) |
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330 | zrass = 1. - 0.2 - zrpho - zfuptk |
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331 | xqpnmax(ji,jj,jk) = ( zfuptk + zrpho ) * 0.0128 * 16. + zrass * 1./ 7.2 * 16. |
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332 | xqpnmax(ji,jj,jk) = xqpnmax(ji,jj,jk) * tr(ji,jj,jk,jpnph,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) + 0.13 |
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333 | xqpnmin(ji,jj,jk) = 0.13 + 0.23 * 0.0128 * 16. |
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334 | |
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335 | ! Size estimation of picophytoplankton |
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336 | ! ------------------------------------ |
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337 | zfvn = 2. * fvpuptk(ji,jj,jk) |
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338 | sizep(ji,jj,jk) = MAX(1., MIN(xsizerp, 1.0 / ( MAX(rtrn, zfvn) ) ) ) |
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339 | |
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340 | ! N/P ratio of picophytoplankton |
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341 | ! ------------------------------ |
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342 | zfuptk = 0.35 * zfvn |
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343 | zrpho = 2.24 * tr(ji,jj,jk,jppch,Kbb) / ( tr(ji,jj,jk,jpnpi,Kbb) * rno3 * 15. + rtrn ) |
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344 | zrass = 1. - 0.4 - zrpho - zfuptk |
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345 | xqppmax(ji,jj,jk) = (zrpho + zfuptk) * 0.0128 * 16. + zrass * 1./ 9. * 16. |
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346 | xqppmax(ji,jj,jk) = xqppmax(ji,jj,jk) * tr(ji,jj,jk,jpnpi,Kbb) / ( tr(ji,jj,jk,jppic,Kbb) + rtrn ) + 0.13 |
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347 | xqppmin(ji,jj,jk) = 0.13 |
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348 | |
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349 | ! Size estimation of diatoms |
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350 | ! -------------------------- |
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351 | zfvn = 2. * fvduptk(ji,jj,jk) |
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352 | sized(ji,jj,jk) = MAX(1., MIN(xsizerd, 1.0 / ( MAX(rtrn, zfvn) ) ) ) |
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353 | zcoef = tr(ji,jj,jk,jpdia,Kbb) - MIN(xsizedia, tr(ji,jj,jk,jpdia,Kbb) ) |
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354 | sized(ji,jj,jk) = 1. + xsizerd * zcoef *1E6 / ( 1. + zcoef * 1E6 ) |
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355 | |
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356 | ! N/P ratio of diatoms |
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357 | ! -------------------- |
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358 | zfuptk = 0.2 * zfvn |
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359 | zrpho = 2.24 * tr(ji,jj,jk,jpdch,Kbb) / ( tr(ji,jj,jk,jpndi,Kbb) * rno3 * 15. + rtrn ) |
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360 | zrass = 1. - 0.2 - zrpho - zfuptk |
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361 | xqpdmax(ji,jj,jk) = ( zfuptk + zrpho ) * 0.0128 * 16. + zrass * 1./ 7.2 * 16. |
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362 | xqpdmax(ji,jj,jk) = xqpdmax(ji,jj,jk) * tr(ji,jj,jk,jpndi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) + 0.13 |
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363 | xqpdmin(ji,jj,jk) = 0.13 + 0.2 * 0.0128 * 16. |
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364 | |
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365 | END_3D |
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366 | |
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367 | ! Compute the fraction of nanophytoplankton that is made of calcifiers |
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368 | ! -------------------------------------------------------------------- |
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369 | DO_3D_11_11( 1, jpkm1 ) |
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370 | zlim1 = tr(ji,jj,jk,jpnh4,Kbb) / ( tr(ji,jj,jk,jpnh4,Kbb) + concnnh4 ) + tr(ji,jj,jk,jpno3,Kbb) & |
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371 | & / ( tr(ji,jj,jk,jpno3,Kbb) + concnno3 ) * ( 1.0 - tr(ji,jj,jk,jpnh4,Kbb) & |
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372 | & / ( tr(ji,jj,jk,jpnh4,Kbb) + concnnh4 ) ) |
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373 | zlim2 = tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + concnpo4 ) |
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374 | zlim3 = tr(ji,jj,jk,jpfer,Kbb) / ( tr(ji,jj,jk,jpfer,Kbb) + 5.E-11 ) |
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375 | ztem1 = MAX( 0., ts(ji,jj,jk,jp_tem,Kmm) ) |
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376 | ztem2 = ts(ji,jj,jk,jp_tem,Kmm) - 10. |
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377 | zetot1 = MAX( 0., etot(ji,jj,jk) - 1.) / ( 4. + etot(ji,jj,jk) ) * 20. / ( 20. + etot(ji,jj,jk) ) |
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378 | |
---|
379 | ! xfracal(ji,jj,jk) = caco3r * MIN( zlim1, zlim2, zlim3 ) & |
---|
380 | xfracal(ji,jj,jk) = caco3r & |
---|
381 | & * ztem1 / ( 1. + ztem1 ) * MAX( 1., tr(ji,jj,jk,jpphy,Kbb)*1E6 ) & |
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382 | & * ( 1. + EXP(-ztem2 * ztem2 / 25. ) ) & |
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383 | & * zetot1 * MIN( 1., 50. / ( hmld(ji,jj) + rtrn ) ) |
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384 | xfracal(ji,jj,jk) = MAX( 0.02, MIN( 0.8 , xfracal(ji,jj,jk) ) ) |
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385 | END_3D |
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386 | ! |
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387 | DO_3D_11_11( 1, jpkm1 ) |
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388 | ! denitrification factor computed from O2 levels |
---|
389 | nitrfac(ji,jj,jk) = MAX( 0.e0, 0.4 * ( 6.e-6 - tr(ji,jj,jk,jpoxy,Kbb) ) & |
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390 | & / ( oxymin + tr(ji,jj,jk,jpoxy,Kbb) ) ) |
---|
391 | nitrfac(ji,jj,jk) = MIN( 1., nitrfac(ji,jj,jk) ) |
---|
392 | END_3D |
---|
393 | ! |
---|
394 | IF( lk_iomput .AND. knt == nrdttrc ) THEN ! save output diagnostics |
---|
395 | CALL iom_put( "xfracal", xfracal(:,:,:) * tmask(:,:,:) ) ! euphotic layer deptht |
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396 | CALL iom_put( "LNnut" , xlimphy(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
---|
397 | CALL iom_put( "LPnut" , xlimpic(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
---|
398 | CALL iom_put( "LDnut" , xlimdia(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
---|
399 | CALL iom_put( "LNFe" , xlimnfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
400 | CALL iom_put( "LPFe" , xlimpfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
401 | CALL iom_put( "LDFe" , xlimdfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
402 | CALL iom_put( "SIZEN" , sizen (:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
403 | CALL iom_put( "SIZEP" , sizep (:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
404 | CALL iom_put( "SIZED" , sized (:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
405 | ENDIF |
---|
406 | ! |
---|
407 | IF( ln_timing ) CALL timing_stop('p5z_lim') |
---|
408 | ! |
---|
409 | END SUBROUTINE p5z_lim |
---|
410 | |
---|
411 | |
---|
412 | SUBROUTINE p5z_lim_init |
---|
413 | !!---------------------------------------------------------------------- |
---|
414 | !! *** ROUTINE p5z_lim_init *** |
---|
415 | !! |
---|
416 | !! ** Purpose : Initialization of nutrient limitation parameters |
---|
417 | !! |
---|
418 | !! ** Method : Read the nampislim and nampisquota namelists and check |
---|
419 | !! the parameters called at the first timestep (nittrc000) |
---|
420 | !! |
---|
421 | !! ** input : Namelist nampislim |
---|
422 | !! |
---|
423 | !!---------------------------------------------------------------------- |
---|
424 | INTEGER :: ios ! Local integer output status for namelist read |
---|
425 | !! |
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426 | NAMELIST/namp5zlim/ concnno3, concpno3, concdno3, concnnh4, concpnh4, concdnh4, & |
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427 | & concnfer, concpfer, concdfer, concbfe, concnpo4, concppo4, & |
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428 | & concdpo4, concbno3, concbnh4, concbpo4, xsizedia, xsizepic, & |
---|
429 | & xsizephy, xsizern, xsizerp, xsizerd, xksi1, xksi2, xkdoc, & |
---|
430 | & caco3r, oxymin |
---|
431 | ! |
---|
432 | NAMELIST/namp5zquota/ qnnmin, qnnmax, qpnmin, qpnmax, qnpmin, qnpmax, qppmin, & |
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433 | & qppmax, qndmin, qndmax, qpdmin, qpdmax, qfnmax, qfpmax, qfdmax, & |
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434 | & qfnopt, qfpopt, qfdopt |
---|
435 | !!---------------------------------------------------------------------- |
---|
436 | ! |
---|
437 | READ ( numnatp_ref, namp5zlim, IOSTAT = ios, ERR = 901) |
---|
438 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampislim in reference namelist' ) |
---|
439 | ! |
---|
440 | READ ( numnatp_cfg, namp5zlim, IOSTAT = ios, ERR = 902 ) |
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441 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampislim in configuration namelist' ) |
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442 | IF(lwm) WRITE ( numonp, namp5zlim ) |
---|
443 | ! |
---|
444 | IF(lwp) THEN ! control print |
---|
445 | WRITE(numout,*) ' ' |
---|
446 | WRITE(numout,*) ' Namelist parameters for nutrient limitations, namp5zlim' |
---|
447 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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448 | WRITE(numout,*) ' mean rainratio caco3r = ', caco3r |
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449 | WRITE(numout,*) ' NO3 half saturation of nanophyto concnno3 = ', concnno3 |
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450 | WRITE(numout,*) ' NO3 half saturation of picophyto concpno3 = ', concpno3 |
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451 | WRITE(numout,*) ' NO3 half saturation of diatoms concdno3 = ', concdno3 |
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452 | WRITE(numout,*) ' NH4 half saturation for phyto concnnh4 = ', concnnh4 |
---|
453 | WRITE(numout,*) ' NH4 half saturation for pico concpnh4 = ', concpnh4 |
---|
454 | WRITE(numout,*) ' NH4 half saturation for diatoms concdnh4 = ', concdnh4 |
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455 | WRITE(numout,*) ' PO4 half saturation for phyto concnpo4 = ', concnpo4 |
---|
456 | WRITE(numout,*) ' PO4 half saturation for pico concppo4 = ', concppo4 |
---|
457 | WRITE(numout,*) ' PO4 half saturation for diatoms concdpo4 = ', concdpo4 |
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458 | WRITE(numout,*) ' half saturation constant for Si uptake xksi1 = ', xksi1 |
---|
459 | WRITE(numout,*) ' half saturation constant for Si/C xksi2 = ', xksi2 |
---|
460 | WRITE(numout,*) ' half-sat. of DOC remineralization xkdoc = ', xkdoc |
---|
461 | WRITE(numout,*) ' Iron half saturation for nanophyto concnfer = ', concnfer |
---|
462 | WRITE(numout,*) ' Iron half saturation for picophyto concpfer = ', concpfer |
---|
463 | WRITE(numout,*) ' Iron half saturation for diatoms concdfer = ', concdfer |
---|
464 | WRITE(numout,*) ' size ratio for nanophytoplankton xsizern = ', xsizern |
---|
465 | WRITE(numout,*) ' size ratio for picophytoplankton xsizerp = ', xsizerp |
---|
466 | WRITE(numout,*) ' size ratio for diatoms xsizerd = ', xsizerd |
---|
467 | WRITE(numout,*) ' NO3 half saturation of bacteria concbno3 = ', concbno3 |
---|
468 | WRITE(numout,*) ' NH4 half saturation for bacteria concbnh4 = ', concbnh4 |
---|
469 | WRITE(numout,*) ' Minimum size criteria for diatoms xsizedia = ', xsizedia |
---|
470 | WRITE(numout,*) ' Minimum size criteria for picophyto xsizepic = ', xsizepic |
---|
471 | WRITE(numout,*) ' Minimum size criteria for nanophyto xsizephy = ', xsizephy |
---|
472 | WRITE(numout,*) ' Fe half saturation for bacteria concbfe = ', concbfe |
---|
473 | WRITE(numout,*) ' halk saturation constant for anoxia oxymin =' , oxymin |
---|
474 | ENDIF |
---|
475 | |
---|
476 | READ ( numnatp_ref, namp5zquota, IOSTAT = ios, ERR = 903) |
---|
477 | 903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisquota in reference namelist' ) |
---|
478 | ! |
---|
479 | READ ( numnatp_cfg, namp5zquota, IOSTAT = ios, ERR = 904 ) |
---|
480 | 904 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampisquota in configuration namelist' ) |
---|
481 | IF(lwm) WRITE ( numonp, namp5zquota ) |
---|
482 | ! |
---|
483 | IF(lwp) THEN ! control print |
---|
484 | WRITE(numout,*) ' ' |
---|
485 | WRITE(numout,*) ' Namelist parameters for nutrient limitations, namp5zquota' |
---|
486 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
487 | WRITE(numout,*) ' optimal Fe quota for nano. qfnopt = ', qfnopt |
---|
488 | WRITE(numout,*) ' optimal Fe quota for pico. qfpopt = ', qfpopt |
---|
489 | WRITE(numout,*) ' Optimal Fe quota for diatoms qfdopt = ', qfdopt |
---|
490 | WRITE(numout,*) ' Minimal N quota for nano qnnmin = ', qnnmin |
---|
491 | WRITE(numout,*) ' Maximal N quota for nano qnnmax = ', qnnmax |
---|
492 | WRITE(numout,*) ' Minimal P quota for nano qpnmin = ', qpnmin |
---|
493 | WRITE(numout,*) ' Maximal P quota for nano qpnmax = ', qpnmax |
---|
494 | WRITE(numout,*) ' Minimal N quota for pico qnpmin = ', qnpmin |
---|
495 | WRITE(numout,*) ' Maximal N quota for pico qnpmax = ', qnpmax |
---|
496 | WRITE(numout,*) ' Minimal P quota for pico qppmin = ', qppmin |
---|
497 | WRITE(numout,*) ' Maximal P quota for pico qppmax = ', qppmax |
---|
498 | WRITE(numout,*) ' Minimal N quota for diatoms qndmin = ', qndmin |
---|
499 | WRITE(numout,*) ' Maximal N quota for diatoms qndmax = ', qndmax |
---|
500 | WRITE(numout,*) ' Minimal P quota for diatoms qpdmin = ', qpdmin |
---|
501 | WRITE(numout,*) ' Maximal P quota for diatoms qpdmax = ', qpdmax |
---|
502 | WRITE(numout,*) ' Maximal Fe quota for nanophyto. qfnmax = ', qfnmax |
---|
503 | WRITE(numout,*) ' Maximal Fe quota for picophyto. qfpmax = ', qfpmax |
---|
504 | WRITE(numout,*) ' Maximal Fe quota for diatoms qfdmax = ', qfdmax |
---|
505 | ENDIF |
---|
506 | ! |
---|
507 | zpsino3 = 2.3 * rno3 |
---|
508 | zpsinh4 = 1.8 * rno3 |
---|
509 | zpsiuptk = 2.3 * rno3 |
---|
510 | ! |
---|
511 | nitrfac(:,:,jpk) = 0._wp |
---|
512 | xfracal(:,:,jpk) = 0._wp |
---|
513 | xlimphy(:,:,jpk) = 0._wp |
---|
514 | xlimpic(:,:,jpk) = 0._wp |
---|
515 | xlimdia(:,:,jpk) = 0._wp |
---|
516 | xlimnfe(:,:,jpk) = 0._wp |
---|
517 | xlimpfe(:,:,jpk) = 0._wp |
---|
518 | xlimdfe(:,:,jpk) = 0._wp |
---|
519 | sizen (:,:,jpk) = 0._wp |
---|
520 | sizep (:,:,jpk) = 0._wp |
---|
521 | sized (:,:,jpk) = 0._wp |
---|
522 | ! |
---|
523 | END SUBROUTINE p5z_lim_init |
---|
524 | |
---|
525 | |
---|
526 | INTEGER FUNCTION p5z_lim_alloc() |
---|
527 | !!---------------------------------------------------------------------- |
---|
528 | !! *** ROUTINE p5z_lim_alloc *** |
---|
529 | !!---------------------------------------------------------------------- |
---|
530 | USE lib_mpp , ONLY: ctl_stop |
---|
531 | INTEGER :: ierr(2) ! Local variables |
---|
532 | !!---------------------------------------------------------------------- |
---|
533 | ierr(:) = 0 |
---|
534 | ! |
---|
535 | !* Biological arrays for phytoplankton growth |
---|
536 | ALLOCATE( xpicono3(jpi,jpj,jpk), xpiconh4(jpi,jpj,jpk), & |
---|
537 | & xpicopo4(jpi,jpj,jpk), xpicodop(jpi,jpj,jpk), & |
---|
538 | & xnanodop(jpi,jpj,jpk), xdiatdop(jpi,jpj,jpk), & |
---|
539 | & xnanofer(jpi,jpj,jpk), xdiatfer(jpi,jpj,jpk), & |
---|
540 | & xpicofer(jpi,jpj,jpk), xlimpfe (jpi,jpj,jpk), & |
---|
541 | & fvnuptk (jpi,jpj,jpk), fvduptk (jpi,jpj,jpk), & |
---|
542 | & fvpuptk (jpi,jpj,jpk), xlimpic (jpi,jpj,jpk), STAT=ierr(1) ) |
---|
543 | ! |
---|
544 | !* Minimum/maximum quotas of phytoplankton |
---|
545 | ALLOCATE( xqnnmin (jpi,jpj,jpk), xqnnmax(jpi,jpj,jpk), & |
---|
546 | & xqpnmin (jpi,jpj,jpk), xqpnmax(jpi,jpj,jpk), & |
---|
547 | & xqnpmin (jpi,jpj,jpk), xqnpmax(jpi,jpj,jpk), & |
---|
548 | & xqppmin (jpi,jpj,jpk), xqppmax(jpi,jpj,jpk), & |
---|
549 | & xqndmin (jpi,jpj,jpk), xqndmax(jpi,jpj,jpk), & |
---|
550 | & xqpdmin (jpi,jpj,jpk), xqpdmax(jpi,jpj,jpk), STAT=ierr(2) ) |
---|
551 | ! |
---|
552 | p5z_lim_alloc = MAXVAL( ierr ) |
---|
553 | ! |
---|
554 | IF( p5z_lim_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p5z_lim_alloc : failed to allocate arrays.' ) |
---|
555 | ! |
---|
556 | END FUNCTION p5z_lim_alloc |
---|
557 | !!====================================================================== |
---|
558 | END MODULE p5zlim |
---|