1 | MODULE p4zlim |
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2 | !!====================================================================== |
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3 | !! *** MODULE p4zlim *** |
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4 | !! TOP : PISCES |
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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 | !!---------------------------------------------------------------------- |
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10 | !! p4z_lim : Compute the nutrients limitation terms |
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11 | !! p4z_lim_init : Read the namelist |
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12 | !!---------------------------------------------------------------------- |
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13 | USE oce_trc ! Shared ocean-passive tracers variables |
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14 | USE trc ! Tracers defined |
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15 | USE sms_pisces ! PISCES variables |
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16 | USE iom ! I/O manager |
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17 | |
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18 | IMPLICIT NONE |
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19 | PRIVATE |
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20 | |
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21 | PUBLIC p4z_lim |
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22 | PUBLIC p5z_lim |
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23 | PUBLIC p4z_lim_init |
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24 | PUBLIC p5z_lim_init |
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25 | PUBLIC p4z_lim_alloc |
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26 | |
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27 | !! * Shared module variables |
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28 | REAL(wp), PUBLIC :: concnno3 !: NO3, PO4 half saturation |
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29 | REAL(wp), PUBLIC :: concpno3 !: NO3, PO4 half saturation |
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30 | REAL(wp), PUBLIC :: concdno3 !: Phosphate half saturation for diatoms |
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31 | REAL(wp), PUBLIC :: concnnh4 !: NH4 half saturation for phyto |
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32 | REAL(wp), PUBLIC :: concpnh4 !: NH4 half saturation for phyto |
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33 | REAL(wp), PUBLIC :: concdnh4 !: NH4 half saturation for diatoms |
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34 | REAL(wp), PUBLIC :: concnpo4 !: NH4 half saturation for diatoms |
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35 | REAL(wp), PUBLIC :: concppo4 !: NH4 half saturation for diatoms |
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36 | REAL(wp), PUBLIC :: concdpo4 !: NH4 half saturation for diatoms |
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37 | REAL(wp), PUBLIC :: concnfer !: Iron half saturation for nanophyto |
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38 | REAL(wp), PUBLIC :: concpfer !: Iron half saturation for nanophyto |
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39 | REAL(wp), PUBLIC :: concdfer !: Iron half saturation for diatoms |
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40 | REAL(wp), PUBLIC :: concbno3 !: NO3 half saturation for bacteria |
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41 | REAL(wp), PUBLIC :: concbnh4 !: NH4 half saturation for bacteria |
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42 | REAL(wp), PUBLIC :: concbpo4 !: PO4 half saturation for bacteria |
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43 | REAL(wp), PUBLIC :: xsizedia !: Minimum size criteria for diatoms |
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44 | REAL(wp), PUBLIC :: xsizepic !: Minimum size criteria for diatoms |
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45 | REAL(wp), PUBLIC :: xsizephy !: Minimum size criteria for nanophyto |
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46 | REAL(wp), PUBLIC :: xsizern !: Size ratio for nanophytoplankton |
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47 | REAL(wp), PUBLIC :: xsizerp !: Size ratio for nanophytoplankton |
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48 | REAL(wp), PUBLIC :: xsizerd !: Size ratio for diatoms |
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49 | REAL(wp), PUBLIC :: xksi1 !: half saturation constant for Si uptake |
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50 | REAL(wp), PUBLIC :: xksi2 !: half saturation constant for Si/C |
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51 | REAL(wp), PUBLIC :: xkdoc !: 2nd half-sat. of DOC remineralization |
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52 | REAL(wp), PUBLIC :: concbfe !: Fe half saturation for bacteria |
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53 | REAL(wp), PUBLIC :: oxymin !: half saturation constant for anoxia |
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54 | REAL(wp), PUBLIC :: qfnopt !: optimal Fe quota for nanophyto |
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55 | REAL(wp), PUBLIC :: qfpopt !: optimal Fe quota for nanophyto |
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56 | REAL(wp), PUBLIC :: qfdopt !: optimal Fe quota for diatoms |
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57 | REAL(wp), PUBLIC :: qnnmin !: optimal Fe quota for diatoms |
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58 | REAL(wp), PUBLIC :: qnnmax !: optimal Fe quota for diatoms |
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59 | REAL(wp), PUBLIC :: qpnmin !: optimal Fe quota for diatoms |
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60 | REAL(wp), PUBLIC :: qpnmax !: optimal Fe quota for diatoms |
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61 | REAL(wp), PUBLIC :: qnpmin !: optimal Fe quota for diatoms |
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62 | REAL(wp), PUBLIC :: qnpmax !: optimal Fe quota for diatoms |
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63 | REAL(wp), PUBLIC :: qppmin !: optimal Fe quota for diatoms |
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64 | REAL(wp), PUBLIC :: qppmax !: optimal Fe quota for diatoms |
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65 | REAL(wp), PUBLIC :: qndmin !: optimal Fe quota for diatoms |
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66 | REAL(wp), PUBLIC :: qndmax !: optimal Fe quota for diatoms |
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67 | REAL(wp), PUBLIC :: qpdmin !: optimal Fe quota for diatoms |
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68 | REAL(wp), PUBLIC :: qpdmax !: optimal Fe quota for diatoms |
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69 | REAL(wp), PUBLIC :: qfnmax !: optimal Fe quota for diatoms |
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70 | REAL(wp), PUBLIC :: qfpmax !: optimal Fe quota for diatoms |
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71 | REAL(wp), PUBLIC :: qfdmax !: optimal Fe quota for diatoms |
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72 | REAL(wp), PUBLIC :: qnfelim !: optimal Fe quota for nanophyto |
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73 | REAL(wp), PUBLIC :: qdfelim !: optimal Fe quota for diatoms |
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74 | REAL(wp), PUBLIC :: caco3r !: mean rainratio |
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75 | REAL(wp), PUBLIC :: zpsinh4 |
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76 | REAL(wp), PUBLIC :: zpsino3 |
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77 | REAL(wp), PUBLIC :: zpsiuptk |
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78 | |
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79 | !!* Phytoplankton limitation terms |
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80 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanono3 !: ??? |
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81 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpicono3 !: ??? |
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82 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatno3 !: ??? |
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83 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanonh4 !: ??? |
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84 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpiconh4 !: ??? |
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85 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatnh4 !: ??? |
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86 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanopo4 !: ??? |
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87 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpicopo4 !: ??? |
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88 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatpo4 !: ??? |
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89 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanodop !: ??? |
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90 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpicodop !: ??? |
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91 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatdop !: ??? |
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92 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanofer !: ??? |
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93 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xpicofer !: ??? |
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94 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatfer !: ??? |
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95 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimphy !: ??? |
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96 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimpic !: ??? |
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97 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimdia !: ??? |
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98 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimnfe !: ??? |
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99 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimpfe !: ??? |
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100 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimdfe !: ??? |
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101 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimsi !: ??? |
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102 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimsi2 !: ??? |
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103 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimbac !: ?? |
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104 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimbacl !: ?? |
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105 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: concdfe !: ??? |
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106 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: concnfe !: ??? |
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107 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: fvnuptk |
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108 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: fvpuptk |
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109 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: fvduptk |
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110 | |
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111 | !!* Allometric variations of the quotas |
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112 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqnnmin !: ??? |
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113 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqnnmax !: ??? |
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114 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqpnmin !: ??? |
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115 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqpnmax !: ??? |
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116 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqnpmin !: ??? |
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117 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqnpmax !: ??? |
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118 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqppmin !: ??? |
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119 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqppmax !: ??? |
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120 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqndmin !: ??? |
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121 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqndmax !: ??? |
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122 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqpdmin !: ??? |
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123 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xqpdmax !: ? |
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124 | |
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125 | ! Coefficient for iron limitation |
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126 | REAL(wp) :: xcoef1 = 0.00167 / 55.85 |
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127 | REAL(wp) :: xcoef2 = 1.21E-5 * 14. / 55.85 / 7.625 * 0.5 * 1.5 |
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128 | REAL(wp) :: xcoef3 = 1.15E-4 * 14. / 55.85 / 7.625 * 0.5 |
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129 | |
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130 | !!---------------------------------------------------------------------- |
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131 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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132 | !! $Id: p4zlim.F90 3160 2011-11-20 14:27:18Z cetlod $ |
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133 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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134 | !!---------------------------------------------------------------------- |
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135 | |
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136 | CONTAINS |
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137 | |
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138 | SUBROUTINE p4z_lim( kt, knt ) |
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139 | !!--------------------------------------------------------------------- |
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140 | !! *** ROUTINE p4z_lim *** |
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141 | !! |
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142 | !! ** Purpose : Compute the co-limitations by the various nutrients |
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143 | !! for the various phytoplankton species |
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144 | !! |
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145 | !! ** Method : - ??? |
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146 | !!--------------------------------------------------------------------- |
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147 | ! |
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148 | INTEGER, INTENT(in) :: kt, knt |
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149 | ! |
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150 | INTEGER :: ji, jj, jk |
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151 | REAL(wp) :: zlim1, zlim2, zlim3, zlim4, zno3, zferlim |
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152 | REAL(wp) :: zconcd, zconcd2, zconcn, zconcn2 |
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153 | REAL(wp) :: z1_trbdia, z1_trbphy, ztem1, ztem2, zetot1, zetot2 |
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154 | REAL(wp) :: zdenom, zratio, zironmin |
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155 | REAL(wp) :: zconc1d, zconc1dnh4, zconc0n, zconc0nnh4 |
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156 | !!--------------------------------------------------------------------- |
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157 | ! |
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158 | IF( nn_timing == 1 ) CALL timing_start('p4z_lim') |
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159 | ! |
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160 | DO jk = 1, jpkm1 |
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161 | DO jj = 1, jpj |
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162 | DO ji = 1, jpi |
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163 | |
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164 | ! Tuning of the iron concentration to a minimum level that is set to the detection limit |
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165 | !------------------------------------- |
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166 | zno3 = trb(ji,jj,jk,jpno3) / 40.e-6 |
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167 | zferlim = MAX( 3e-11 * zno3 * zno3, 5e-12 ) |
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168 | zferlim = MIN( zferlim, 7e-11 ) |
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169 | trb(ji,jj,jk,jpfer) = MAX( trb(ji,jj,jk,jpfer), zferlim ) |
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170 | |
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171 | ! Computation of a variable Ks for iron on diatoms taking into account |
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172 | ! that increasing biomass is made of generally bigger cells |
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173 | !------------------------------------------------ |
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174 | zconcd = MAX( 0.e0 , trb(ji,jj,jk,jpdia) - xsizedia ) |
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175 | zconcd2 = trb(ji,jj,jk,jpdia) - zconcd |
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176 | zconcn = MAX( 0.e0 , trb(ji,jj,jk,jpphy) - xsizephy ) |
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177 | zconcn2 = trb(ji,jj,jk,jpphy) - zconcn |
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178 | z1_trbphy = 1. / ( trb(ji,jj,jk,jpphy) + rtrn ) |
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179 | z1_trbdia = 1. / ( trb(ji,jj,jk,jpdia) + rtrn ) |
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180 | |
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181 | concdfe(ji,jj,jk) = MAX( concdfer, ( zconcd2 * concdfer + concdfer * xsizerd * zconcd ) * z1_trbdia ) |
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182 | zconc1d = MAX( concdno3, ( zconcd2 * concdno3 + concdno3 * xsizerd * zconcd ) * z1_trbdia ) |
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183 | zconc1dnh4 = MAX( concdnh4, ( zconcd2 * concdnh4 + concdnh4 * xsizerd * zconcd ) * z1_trbdia ) |
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184 | |
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185 | concnfe(ji,jj,jk) = MAX( concnfer, ( zconcn2 * concnfer + concnfer * xsizern * zconcn ) * z1_trbphy ) |
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186 | zconc0n = MAX( concnno3, ( zconcn2 * concnno3 + concnno3 * xsizern * zconcn ) * z1_trbphy ) |
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187 | zconc0nnh4 = MAX( concnnh4, ( zconcn2 * concnnh4 + concnnh4 * xsizern * zconcn ) * z1_trbphy ) |
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188 | |
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189 | ! Michaelis-Menten Limitation term for nutrients Small bacteria |
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190 | ! ------------------------------------------------------------- |
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191 | zdenom = 1. / ( concbno3 * concbnh4 + concbnh4 * trb(ji,jj,jk,jpno3) + concbno3 * trb(ji,jj,jk,jpnh4) ) |
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192 | xnanono3(ji,jj,jk) = trb(ji,jj,jk,jpno3) * concbnh4 * zdenom |
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193 | xnanonh4(ji,jj,jk) = trb(ji,jj,jk,jpnh4) * concbno3 * zdenom |
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194 | ! |
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195 | zlim1 = xnanono3(ji,jj,jk) + xnanonh4(ji,jj,jk) |
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196 | zlim2 = trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + concbnh4 ) |
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197 | zlim3 = trb(ji,jj,jk,jpfer) / ( concbfe + trb(ji,jj,jk,jpfer) ) |
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198 | zlim4 = trb(ji,jj,jk,jpdoc) / ( xkdoc + trb(ji,jj,jk,jpdoc) ) |
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199 | xlimbacl(ji,jj,jk) = MIN( zlim1, zlim2, zlim3 ) |
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200 | xlimbac (ji,jj,jk) = MIN( zlim1, zlim2, zlim3 ) * zlim4 |
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201 | |
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202 | ! Michaelis-Menten Limitation term for nutrients Small flagellates |
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203 | ! ----------------------------------------------- |
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204 | zdenom = 1. / ( zconc0n * zconc0nnh4 + zconc0nnh4 * trb(ji,jj,jk,jpno3) + zconc0n * trb(ji,jj,jk,jpnh4) ) |
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205 | xnanono3(ji,jj,jk) = trb(ji,jj,jk,jpno3) * zconc0nnh4 * zdenom |
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206 | xnanonh4(ji,jj,jk) = trb(ji,jj,jk,jpnh4) * zconc0n * zdenom |
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207 | ! |
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208 | zlim1 = xnanono3(ji,jj,jk) + xnanonh4(ji,jj,jk) |
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209 | zlim2 = trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + zconc0nnh4 ) |
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210 | zratio = trb(ji,jj,jk,jpnfe) * z1_trbphy |
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211 | zironmin = xcoef1 * trb(ji,jj,jk,jpnch) * z1_trbphy + xcoef2 * zlim1 + xcoef3 * xnanono3(ji,jj,jk) |
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212 | zlim3 = MAX( 0.,( zratio - zironmin ) / qnfelim ) |
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213 | xnanopo4(ji,jj,jk) = zlim2 |
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214 | xlimnfe (ji,jj,jk) = MIN( 1., zlim3 ) |
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215 | xlimphy (ji,jj,jk) = MIN( zlim1, zlim2, zlim3 ) |
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216 | ! |
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217 | ! Michaelis-Menten Limitation term for nutrients Diatoms |
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218 | ! ---------------------------------------------- |
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219 | zdenom = 1. / ( zconc1d * zconc1dnh4 + zconc1dnh4 * trb(ji,jj,jk,jpno3) + zconc1d * trb(ji,jj,jk,jpnh4) ) |
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220 | xdiatno3(ji,jj,jk) = trb(ji,jj,jk,jpno3) * zconc1dnh4 * zdenom |
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221 | xdiatnh4(ji,jj,jk) = trb(ji,jj,jk,jpnh4) * zconc1d * zdenom |
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222 | ! |
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223 | zlim1 = xdiatno3(ji,jj,jk) + xdiatnh4(ji,jj,jk) |
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224 | zlim2 = trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + zconc1dnh4 ) |
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225 | zlim3 = trb(ji,jj,jk,jpsil) / ( trb(ji,jj,jk,jpsil) + xksi(ji,jj) ) |
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226 | zratio = trb(ji,jj,jk,jpdfe) * z1_trbdia |
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227 | zironmin = xcoef1 * trb(ji,jj,jk,jpdch) * z1_trbdia + xcoef2 * zlim1 + xcoef3 * xdiatno3(ji,jj,jk) |
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228 | zlim4 = MAX( 0., ( zratio - zironmin ) / qdfelim ) |
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229 | xdiatpo4(ji,jj,jk) = zlim2 |
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230 | xlimdfe (ji,jj,jk) = MIN( 1., zlim4 ) |
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231 | xlimdia (ji,jj,jk) = MIN( zlim1, zlim2, zlim3, zlim4 ) |
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232 | xlimsi (ji,jj,jk) = MIN( zlim1, zlim2, zlim4 ) |
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233 | END DO |
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234 | END DO |
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235 | END DO |
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236 | |
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237 | ! Compute the fraction of nanophytoplankton that is made of calcifiers |
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238 | ! -------------------------------------------------------------------- |
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239 | DO jk = 1, jpkm1 |
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240 | DO jj = 1, jpj |
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241 | DO ji = 1, jpi |
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242 | zlim1 = ( trb(ji,jj,jk,jpno3) * concnnh4 + trb(ji,jj,jk,jpnh4) * concnno3 ) & |
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243 | & / ( concnno3 * concnnh4 + concnnh4 * trb(ji,jj,jk,jpno3) + concnno3 * trb(ji,jj,jk,jpnh4) ) |
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244 | zlim2 = trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + concnnh4 ) |
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245 | zlim3 = trb(ji,jj,jk,jpfer) / ( trb(ji,jj,jk,jpfer) + 5.E-11 ) |
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246 | ztem1 = MAX( 0., tsn(ji,jj,jk,jp_tem) ) |
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247 | ztem2 = tsn(ji,jj,jk,jp_tem) - 10. |
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248 | zetot1 = MAX( 0., etot_ndcy(ji,jj,jk) - 1.) / ( 4. + etot_ndcy(ji,jj,jk) ) |
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249 | zetot2 = 30. / ( 30. + etot_ndcy(ji,jj,jk) ) |
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250 | |
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251 | xfracal(ji,jj,jk) = caco3r * MIN( zlim1, zlim2, zlim3 ) & |
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252 | & * ztem1 / ( 0.1 + ztem1 ) & |
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253 | & * MAX( 1., trb(ji,jj,jk,jpphy) * 1.e6 / 2. ) & |
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254 | & * zetot1 * zetot2 & |
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255 | & * ( 1. + EXP(-ztem2 * ztem2 / 25. ) ) & |
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256 | & * MIN( 1., 50. / ( hmld(ji,jj) + rtrn ) ) |
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257 | xfracal(ji,jj,jk) = MIN( 0.8 , xfracal(ji,jj,jk) ) |
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258 | xfracal(ji,jj,jk) = MAX( 0.02, xfracal(ji,jj,jk) ) |
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259 | END DO |
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260 | END DO |
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261 | END DO |
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262 | ! |
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263 | DO jk = 1, jpkm1 |
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264 | DO jj = 1, jpj |
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265 | DO ji = 1, jpi |
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266 | ! denitrification factor computed from O2 levels |
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267 | nitrfac(ji,jj,jk) = MAX( 0.e0, 0.4 * ( 6.e-6 - trb(ji,jj,jk,jpoxy) ) & |
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268 | & / ( oxymin + trb(ji,jj,jk,jpoxy) ) ) |
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269 | nitrfac(ji,jj,jk) = MIN( 1., nitrfac(ji,jj,jk) ) |
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270 | ! |
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271 | ! denitrification factor computed from NO3 levels |
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272 | nitrfac2(ji,jj,jk) = MAX( 0.e0, ( 1.E-6 - trb(ji,jj,jk,jpno3) ) & |
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273 | & / ( 1.E-6 + trb(ji,jj,jk,jpno3) ) ) |
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274 | nitrfac2(ji,jj,jk) = MIN( 1., nitrfac2(ji,jj,jk) ) |
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275 | END DO |
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276 | END DO |
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277 | END DO |
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278 | ! |
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279 | IF( lk_iomput .AND. knt == nrdttrc ) THEN ! save output diagnostics |
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280 | IF( iom_use( "xfracal" ) ) CALL iom_put( "xfracal", xfracal(:,:,:) * tmask(:,:,:) ) ! euphotic layer deptht |
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281 | IF( iom_use( "LNnut" ) ) CALL iom_put( "LNnut" , xlimphy(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
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282 | IF( iom_use( "LDnut" ) ) CALL iom_put( "LDnut" , xlimdia(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
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283 | IF( iom_use( "LNFe" ) ) CALL iom_put( "LNFe" , xlimnfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
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284 | IF( iom_use( "LDFe" ) ) CALL iom_put( "LDFe" , xlimdfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
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285 | ENDIF |
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286 | ! |
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287 | IF( nn_timing == 1 ) CALL timing_stop('p4z_lim') |
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288 | ! |
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289 | END SUBROUTINE p4z_lim |
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290 | |
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291 | |
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292 | SUBROUTINE p5z_lim( kt, knt ) |
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293 | !!--------------------------------------------------------------------- |
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294 | !! *** ROUTINE p5z_lim *** |
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295 | !! |
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296 | !! ** Purpose : Compute the co-limitations by the various nutrients |
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297 | !! for the various phytoplankton species |
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298 | !! |
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299 | !! ** Method : - ??? |
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300 | !!--------------------------------------------------------------------- |
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301 | ! |
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302 | INTEGER, INTENT(in) :: kt, knt |
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303 | ! |
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304 | INTEGER :: ji, jj, jk |
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305 | REAL(wp) :: zlim1, zlim2, zlim3, zlim4, zno3, zferlim |
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306 | REAL(wp) :: z1_trndia, z1_trnpic, z1_trnphy, ztem1, ztem2, zetot1 |
---|
307 | REAL(wp) :: zratio, zration, zratiof, znutlim, zfalim |
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308 | REAL(wp) :: zconc1d, zconc1dnh4, zconc0n, zconc0nnh4, zconc0npo4, zconc0dpo4 |
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309 | REAL(wp) :: zconc0p, zconc0pnh4, zconc0ppo4, zconcpfe, zconcnfe, zconcdfe |
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310 | REAL(wp) :: fanano, fananop, fananof, fadiat, fadiatp, fadiatf |
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311 | REAL(wp) :: fapico, fapicop, fapicof |
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312 | REAL(wp) :: zrpho, zrass, zcoef, zfuptk, zratchl |
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313 | REAL(wp) :: zfvn, zfvp, zfvf, zsizen, zsizep, zsized, znanochl, zpicochl, zdiatchl |
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314 | REAL(wp) :: zqfemn, zqfemp, zqfemd, zbactno3, zbactnh4 |
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315 | !!--------------------------------------------------------------------- |
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316 | ! |
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317 | !!--------------------------------------------------------------------- |
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318 | ! |
---|
319 | IF( nn_timing == 1 ) CALL timing_start('p5z_lim') |
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320 | ! |
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321 | zratchl = 6.0 |
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322 | ! |
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323 | DO jk = 1, jpkm1 |
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324 | DO jj = 1, jpj |
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325 | DO ji = 1, jpi |
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326 | ! |
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327 | ! Tuning of the iron concentration to a minimum level that is set to the detection limit |
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328 | !------------------------------------- |
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329 | zno3 = trb(ji,jj,jk,jpno3) / 40.e-6 |
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330 | zferlim = MAX( 3e-11 * zno3 * zno3, 5e-12 ) |
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331 | zferlim = MIN( zferlim, 7e-11 ) |
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332 | trb(ji,jj,jk,jpfer) = MAX( trb(ji,jj,jk,jpfer), zferlim ) |
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333 | |
---|
334 | ! Computation of the mean relative size of each community |
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335 | ! ------------------------------------------------------- |
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336 | z1_trnphy = 1. / ( trb(ji,jj,jk,jpphy) + rtrn ) |
---|
337 | z1_trnpic = 1. / ( trb(ji,jj,jk,jppic) + rtrn ) |
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338 | z1_trndia = 1. / ( trb(ji,jj,jk,jpdia) + rtrn ) |
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339 | znanochl = trb(ji,jj,jk,jpnch) * z1_trnphy |
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340 | zpicochl = trb(ji,jj,jk,jppch) * z1_trnpic |
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341 | zdiatchl = trb(ji,jj,jk,jpdch) * z1_trndia |
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342 | |
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343 | ! Computation of a variable Ks for iron on diatoms taking into account |
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344 | ! that increasing biomass is made of generally bigger cells |
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345 | !------------------------------------------------ |
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346 | zsized = sized(ji,jj,jk)**0.81 |
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347 | zconcdfe = concdfer * zsized |
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348 | zconc1d = concdno3 * zsized |
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349 | zconc1dnh4 = concdnh4 * zsized |
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350 | zconc0dpo4 = concdpo4 * zsized |
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351 | |
---|
352 | zsizep = 1. |
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353 | zconcpfe = concpfer * zsizep |
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354 | zconc0p = concpno3 * zsizep |
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355 | zconc0pnh4 = concpnh4 * zsizep |
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356 | zconc0ppo4 = concppo4 * zsizep |
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357 | |
---|
358 | zsizen = 1. |
---|
359 | zconcnfe = concnfer * zsizen |
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360 | zconc0n = concnno3 * zsizen |
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361 | zconc0nnh4 = concnnh4 * zsizen |
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362 | zconc0npo4 = concnpo4 * zsizen |
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363 | |
---|
364 | ! Allometric variations of the minimum and maximum quotas |
---|
365 | ! From Talmy et al. (2014) and Maranon et al. (2013) |
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366 | ! ------------------------------------------------------- |
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367 | xqnnmin(ji,jj,jk) = qnnmin |
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368 | xqnnmax(ji,jj,jk) = qnnmax |
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369 | xqndmin(ji,jj,jk) = qndmin * sized(ji,jj,jk)**(-0.27) |
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370 | xqndmax(ji,jj,jk) = qndmax |
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371 | xqnpmin(ji,jj,jk) = qnpmin |
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372 | xqnpmax(ji,jj,jk) = qnpmax |
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373 | |
---|
374 | ! Computation of the optimal allocation parameters |
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375 | ! Based on the different papers by Pahlow et al., and Smith et al. |
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376 | ! ----------------------------------------------------------------- |
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377 | znutlim = MAX( trb(ji,jj,jk,jpnh4) / zconc0nnh4, & |
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378 | & trb(ji,jj,jk,jpno3) / zconc0n) |
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379 | fanano = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
---|
380 | znutlim = trb(ji,jj,jk,jppo4) / zconc0npo4 |
---|
381 | fananop = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
---|
382 | znutlim = biron(ji,jj,jk) / zconcnfe |
---|
383 | fananof = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
---|
384 | znutlim = MAX( trb(ji,jj,jk,jpnh4) / zconc0pnh4, & |
---|
385 | & trb(ji,jj,jk,jpno3) / zconc0p) |
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386 | fapico = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
---|
387 | znutlim = trb(ji,jj,jk,jppo4) / zconc0ppo4 |
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388 | fapicop = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
---|
389 | znutlim = biron(ji,jj,jk) / zconcpfe |
---|
390 | fapicof = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
---|
391 | znutlim = MAX( trb(ji,jj,jk,jpnh4) / zconc1dnh4, & |
---|
392 | & trb(ji,jj,jk,jpno3) / zconc1d ) |
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393 | fadiat = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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394 | znutlim = trb(ji,jj,jk,jppo4) / zconc0dpo4 |
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395 | fadiatp = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
---|
396 | znutlim = biron(ji,jj,jk) / zconcdfe |
---|
397 | fadiatf = MAX(0.01, MIN(0.99, 1. / ( SQRT(znutlim) + 1.) ) ) |
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398 | ! |
---|
399 | ! Michaelis-Menten Limitation term for nutrients Small bacteria |
---|
400 | ! ------------------------------------------------------------- |
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401 | zbactnh4 = trb(ji,jj,jk,jpnh4) / ( concbnh4 + trb(ji,jj,jk,jpnh4) ) |
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402 | zbactno3 = trb(ji,jj,jk,jpno3) / ( concbno3 + trb(ji,jj,jk,jpno3) ) * (1. - zbactnh4) |
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403 | ! |
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404 | zlim1 = zbactno3 + zbactnh4 |
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405 | zlim2 = trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + concbpo4) |
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406 | zlim3 = biron(ji,jj,jk) / ( concbfe + biron(ji,jj,jk) ) |
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407 | zlim4 = trb(ji,jj,jk,jpdoc) / ( xkdoc + trb(ji,jj,jk,jpdoc) ) |
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408 | xlimbacl(ji,jj,jk) = MIN( zlim1, zlim2, zlim3 ) |
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409 | xlimbac (ji,jj,jk) = xlimbacl(ji,jj,jk) * zlim4 |
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410 | ! |
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411 | ! Michaelis-Menten Limitation term for nutrients Small flagellates |
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412 | ! ----------------------------------------------- |
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413 | zfalim = (1.-fanano) / fanano |
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414 | xnanonh4(ji,jj,jk) = (1. - fanano) * trb(ji,jj,jk,jpnh4) / ( zfalim * zconc0nnh4 + trb(ji,jj,jk,jpnh4) ) |
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415 | xnanono3(ji,jj,jk) = (1. - fanano) * trb(ji,jj,jk,jpno3) / ( zfalim * zconc0n + trb(ji,jj,jk,jpno3) ) & |
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416 | & * (1. - xnanonh4(ji,jj,jk)) |
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417 | ! |
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418 | zfalim = (1.-fananop) / fananop |
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419 | xnanopo4(ji,jj,jk) = (1. - fananop) * trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + zfalim * zconc0npo4 ) |
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420 | xnanodop(ji,jj,jk) = trb(ji,jj,jk,jpdop) / ( trb(ji,jj,jk,jpdop) + xkdoc ) & |
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421 | & * ( 1.0 - xnanopo4(ji,jj,jk) ) |
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422 | xnanodop(ji,jj,jk) = 0. |
---|
423 | ! |
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424 | zfalim = (1.-fananof) / fananof |
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425 | xnanofer(ji,jj,jk) = (1. - fananof) * biron(ji,jj,jk) / ( biron(ji,jj,jk) + zfalim * zconcnfe ) |
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426 | ! |
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427 | zratiof = trb(ji,jj,jk,jpnfe) * z1_trnphy |
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428 | zqfemn = xcoef1 * znanochl + xcoef2 + xcoef3 * xnanono3(ji,jj,jk) |
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429 | ! |
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430 | zration = trb(ji,jj,jk,jpnph) * z1_trnphy |
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431 | zration = MIN(xqnnmax(ji,jj,jk), MAX( 2. * xqnnmin(ji,jj,jk), zration )) |
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432 | fvnuptk(ji,jj,jk) = 1. / zpsiuptk * rno3 * 2. * xqnnmin(ji,jj,jk) / (zration + rtrn) & |
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433 | & * MAX(0., (1. - zratchl * znanochl / 12. ) ) |
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434 | ! |
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435 | zlim1 = max(0., (zration - 2. * xqnnmin(ji,jj,jk) ) & |
---|
436 | & / (xqnnmax(ji,jj,jk) - 2. * xqnnmin(ji,jj,jk) ) ) * xqnnmax(ji,jj,jk) & |
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437 | & / (zration + rtrn) |
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438 | zlim3 = MAX( 0.,( zratiof - zqfemn ) / qfnopt ) |
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439 | xlimnfe(ji,jj,jk) = MIN( 1., zlim3 ) |
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440 | xlimphy(ji,jj,jk) = MIN( 1., zlim1, zlim3 ) |
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441 | ! |
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442 | ! Michaelis-Menten Limitation term for nutrients picophytoplankton |
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443 | ! ---------------------------------------------------------------- |
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444 | zfalim = (1.-fapico) / fapico |
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445 | xpiconh4(ji,jj,jk) = (1. - fapico) * trb(ji,jj,jk,jpnh4) / ( zfalim * zconc0pnh4 + trb(ji,jj,jk,jpnh4) ) |
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446 | xpicono3(ji,jj,jk) = (1. - fapico) * trb(ji,jj,jk,jpno3) / ( zfalim * zconc0p + trb(ji,jj,jk,jpno3) ) & |
---|
447 | & * (1. - xpiconh4(ji,jj,jk)) |
---|
448 | ! |
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449 | zfalim = (1.-fapicop) / fapicop |
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450 | xpicopo4(ji,jj,jk) = (1. - fapicop) * trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + zfalim * zconc0ppo4 ) |
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451 | xpicodop(ji,jj,jk) = trb(ji,jj,jk,jpdop) / ( trb(ji,jj,jk,jpdop) + xkdoc ) & |
---|
452 | & * ( 1.0 - xpicopo4(ji,jj,jk) ) |
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453 | xpicodop(ji,jj,jk) = 0. |
---|
454 | ! |
---|
455 | zfalim = (1.-fapicof) / fapicof |
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456 | xpicofer(ji,jj,jk) = (1. - fapicof) * biron(ji,jj,jk) / ( biron(ji,jj,jk) + zfalim * zconcpfe ) |
---|
457 | ! |
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458 | zratiof = trb(ji,jj,jk,jppfe) * z1_trnpic |
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459 | zqfemp = xcoef1 * zpicochl + xcoef2 + xcoef3 * xpicono3(ji,jj,jk) |
---|
460 | ! |
---|
461 | zration = trb(ji,jj,jk,jpnpi) * z1_trnpic |
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462 | zration = MIN(xqnpmax(ji,jj,jk), MAX( 2. * xqnpmin(ji,jj,jk), zration )) |
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463 | fvpuptk(ji,jj,jk) = 1. / zpsiuptk * rno3 * 2. * xqnpmin(ji,jj,jk) / (zration + rtrn) & |
---|
464 | & * MAX(0., (1. - zratchl * zpicochl / 12. ) ) |
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465 | ! |
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466 | zlim1 = max(0., (zration - 2. * xqnpmin(ji,jj,jk) ) & |
---|
467 | & / (xqnpmax(ji,jj,jk) - 2. * xqnpmin(ji,jj,jk) ) ) * xqnpmax(ji,jj,jk) & |
---|
468 | & / (zration + rtrn) |
---|
469 | zlim3 = MAX( 0.,( zratiof - zqfemp ) / qfpopt ) |
---|
470 | xlimpfe(ji,jj,jk) = MIN( 1., zlim3 ) |
---|
471 | xlimpic(ji,jj,jk) = MIN( 1., zlim1, zlim3 ) |
---|
472 | ! |
---|
473 | ! Michaelis-Menten Limitation term for nutrients Diatoms |
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474 | ! ------------------------------------------------------ |
---|
475 | zfalim = (1.-fadiat) / fadiat |
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476 | xdiatnh4(ji,jj,jk) = (1. - fadiat) * trb(ji,jj,jk,jpnh4) / ( zfalim * zconc1dnh4 + trb(ji,jj,jk,jpnh4) ) |
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477 | xdiatno3(ji,jj,jk) = (1. - fadiat) * trb(ji,jj,jk,jpno3) / ( zfalim * zconc1d + trb(ji,jj,jk,jpno3) ) & |
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478 | & * (1. - xdiatnh4(ji,jj,jk)) |
---|
479 | ! |
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480 | zfalim = (1.-fadiatp) / fadiatp |
---|
481 | xdiatpo4(ji,jj,jk) = (1. - fadiatp) * trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + zfalim * zconc0dpo4 ) |
---|
482 | xdiatdop(ji,jj,jk) = trb(ji,jj,jk,jpdop) / ( trb(ji,jj,jk,jpdop) + xkdoc ) & |
---|
483 | & * ( 1.0 - xdiatpo4(ji,jj,jk) ) |
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484 | xdiatdop(ji,jj,jk) = 0. |
---|
485 | ! |
---|
486 | zfalim = (1.-fadiatf) / fadiatf |
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487 | xdiatfer(ji,jj,jk) = (1. - fadiatf) * biron(ji,jj,jk) / ( biron(ji,jj,jk) + zfalim * zconcdfe ) |
---|
488 | ! |
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489 | zratiof = trb(ji,jj,jk,jpdfe) * z1_trndia |
---|
490 | zqfemd = xcoef1 * zdiatchl + xcoef2 + xcoef3 * xdiatno3(ji,jj,jk) |
---|
491 | ! |
---|
492 | zration = trb(ji,jj,jk,jpndi) * z1_trndia |
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493 | zration = MIN(xqndmax(ji,jj,jk), MAX( 2. * xqndmin(ji,jj,jk), zration )) |
---|
494 | fvduptk(ji,jj,jk) = 1. / zpsiuptk * rno3 * 2. * xqndmin(ji,jj,jk) / (zration + rtrn) & |
---|
495 | & * MAX(0., (1. - zratchl * zdiatchl / 12. ) ) |
---|
496 | ! |
---|
497 | zlim1 = max(0., (zration - 2. * xqndmin(ji,jj,jk) ) & |
---|
498 | & / (xqndmax(ji,jj,jk) - 2. * xqndmin(ji,jj,jk) ) ) & |
---|
499 | & * xqndmax(ji,jj,jk) / (zration + rtrn) |
---|
500 | zlim3 = trb(ji,jj,jk,jpsil) / ( trb(ji,jj,jk,jpsil) + xksi(ji,jj) ) |
---|
501 | zlim4 = MAX( 0., ( zratiof - zqfemd ) / qfdopt ) |
---|
502 | xlimdfe(ji,jj,jk) = MIN( 1., zlim4 ) |
---|
503 | xlimdia(ji,jj,jk) = MIN( 1., zlim1, zlim3, zlim4 ) |
---|
504 | xlimsi(ji,jj,jk) = MIN( 1., zlim3, zlim4 ) |
---|
505 | xlimsi2(ji,jj,jk) = MIN( 1., zlim1, zlim4 ) |
---|
506 | END DO |
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507 | END DO |
---|
508 | END DO |
---|
509 | ! |
---|
510 | ! Compute the phosphorus quota values. It is based on Litchmann et al., 2004 and Daines et al, 2013. |
---|
511 | ! The relative contribution of three fonctional pools are computed: light harvesting apparatus, |
---|
512 | ! nutrient uptake pool and assembly machinery. DNA is assumed to represent 1% of the dry mass of |
---|
513 | ! phytoplankton (see Daines et al., 2013). |
---|
514 | ! -------------------------------------------------------------------------------------------------- |
---|
515 | DO jk = 1, jpkm1 |
---|
516 | DO jj = 1, jpj |
---|
517 | DO ji = 1, jpi |
---|
518 | ! Size estimation of nanophytoplankton |
---|
519 | ! ------------------------------------ |
---|
520 | zfvn = zpsiuptk / rno3 * fvnuptk(ji,jj,jk) |
---|
521 | sizen(ji,jj,jk) = MAX(1., MIN(xsizern, 1.0 / ( MAX(rtrn, zfvn) ) ) ) |
---|
522 | |
---|
523 | ! N/P ratio of nanophytoplankton |
---|
524 | ! ------------------------------ |
---|
525 | zfuptk = 0.23 * zfvn |
---|
526 | zrpho = 2.24 * trb(ji,jj,jk,jpnch) / ( trb(ji,jj,jk,jpnph) * rno3 * 15. + rtrn ) |
---|
527 | zrass = 1. - 0.2 - zrpho - zfuptk |
---|
528 | xqpnmax(ji,jj,jk) = ( zfuptk + zrpho ) * 0.0128 * 16. + zrass * 1./ 7.2 * 16. + 0.13 |
---|
529 | xqpnmax(ji,jj,jk) = xqpnmax(ji,jj,jk) * trb(ji,jj,jk,jpnph) / ( trb(ji,jj,jk,jpphy) + rtrn ) |
---|
530 | xqpnmin(ji,jj,jk) = qpnmin |
---|
531 | |
---|
532 | ! Size estimation of picophytoplankton |
---|
533 | ! ------------------------------------ |
---|
534 | zfvn = zpsiuptk / rno3 * fvpuptk(ji,jj,jk) |
---|
535 | sizep(ji,jj,jk) = MAX(1., MIN(xsizerp, 1.0 / ( MAX(rtrn, zfvn) ) ) ) |
---|
536 | |
---|
537 | ! N/P ratio of picophytoplankton |
---|
538 | ! ------------------------------ |
---|
539 | zfuptk = 0.35 * zfvn |
---|
540 | zrpho = 2.24 * trb(ji,jj,jk,jppch) / ( trb(ji,jj,jk,jpnpi) * rno3 * 15. + rtrn ) |
---|
541 | zrass = 1. - 0.4 - zrpho - zfuptk |
---|
542 | xqppmax(ji,jj,jk) = (zrpho + zfuptk) * 0.0128 * 16. + zrass * 1./ 10.9 * 16. + 0.13 |
---|
543 | xqppmax(ji,jj,jk) = xqppmax(ji,jj,jk) * trb(ji,jj,jk,jpnpi) / ( trb(ji,jj,jk,jppic) + rtrn ) |
---|
544 | xqppmin(ji,jj,jk) = qppmin |
---|
545 | |
---|
546 | ! Size estimation of diatoms |
---|
547 | ! -------------------------- |
---|
548 | zfvn = zpsiuptk / rno3 * fvduptk(ji,jj,jk) |
---|
549 | sized(ji,jj,jk) = MAX(1., MIN(xsizerd, 1.0 / ( MAX(rtrn, zfvn) ) ) ) |
---|
550 | ! zcoef = trb(ji,jj,jk,jpdia) - MIN(xsizedia, trb(ji,jj,jk,jpdia) ) |
---|
551 | ! sized(ji,jj,jk) = 1. + xsizerd * zcoef *1E6 / ( 1. + zcoef * 1E6 ) |
---|
552 | |
---|
553 | ! N/P ratio of diatoms |
---|
554 | ! -------------------- |
---|
555 | zfuptk = 0.2 * zfvn |
---|
556 | zrpho = 2.24 * trb(ji,jj,jk,jpdch) / ( trb(ji,jj,jk,jpndi) * rno3 * 15. + rtrn ) |
---|
557 | zrass = 1. - 0.2 - zrpho - zfuptk |
---|
558 | xqpdmax(ji,jj,jk) = ( zfuptk + zrpho ) * 0.0128 * 16. + zrass * 1./ 7.2 * 16. + 0.13 |
---|
559 | xqpdmax(ji,jj,jk) = xqpdmax(ji,jj,jk) * trb(ji,jj,jk,jpndi) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
---|
560 | xqpdmin(ji,jj,jk) = qpdmin * sized(ji,jj,jk)**(-0.27) |
---|
561 | |
---|
562 | END DO |
---|
563 | END DO |
---|
564 | END DO |
---|
565 | |
---|
566 | ! Compute the fraction of nanophytoplankton that is made of calcifiers |
---|
567 | ! -------------------------------------------------------------------- |
---|
568 | DO jk = 1, jpkm1 |
---|
569 | DO jj = 1, jpj |
---|
570 | DO ji = 1, jpi |
---|
571 | zlim1 = trb(ji,jj,jk,jpnh4) / ( trb(ji,jj,jk,jpnh4) + concnnh4 ) + trb(ji,jj,jk,jpno3) & |
---|
572 | & / ( trb(ji,jj,jk,jpno3) + concnno3 ) * ( 1.0 - trb(ji,jj,jk,jpnh4) & |
---|
573 | & / ( trb(ji,jj,jk,jpnh4) + concnnh4 ) ) |
---|
574 | zlim2 = trb(ji,jj,jk,jppo4) / ( trb(ji,jj,jk,jppo4) + concnpo4 ) |
---|
575 | zlim3 = trb(ji,jj,jk,jpfer) / ( trb(ji,jj,jk,jpfer) + 1.E-10 ) |
---|
576 | ztem1 = MAX( 0., tsn(ji,jj,jk,jp_tem) ) |
---|
577 | ztem2 = tsn(ji,jj,jk,jp_tem) - 10. |
---|
578 | zetot1 = MAX( 0., etot(ji,jj,jk) - 1.) / ( 4. + etot(ji,jj,jk) ) * 20. / ( 20. + etot(ji,jj,jk) ) |
---|
579 | |
---|
580 | ! xfracal(ji,jj,jk) = caco3r * MIN( zlim1, zlim2, zlim3 ) & |
---|
581 | xfracal(ji,jj,jk) = caco3r * xlimphy(ji,jj,jk) & |
---|
582 | & * ztem1 / ( 1. + ztem1 ) * MAX( 1., trb(ji,jj,jk,jpphy)*1E6 ) & |
---|
583 | & * ( 1. + EXP(-ztem2 * ztem2 / 25. ) ) & |
---|
584 | & * zetot1 * MIN( 1., 50. / ( hmld(ji,jj) + rtrn ) ) |
---|
585 | xfracal(ji,jj,jk) = MAX( 0.02, MIN( 0.8 , xfracal(ji,jj,jk) ) ) |
---|
586 | END DO |
---|
587 | END DO |
---|
588 | END DO |
---|
589 | ! |
---|
590 | DO jk = 1, jpkm1 |
---|
591 | DO jj = 1, jpj |
---|
592 | DO ji = 1, jpi |
---|
593 | ! denitrification factor computed from O2 levels |
---|
594 | nitrfac(ji,jj,jk) = MAX( 0.e0, 0.4 * ( 6.e-6 - trb(ji,jj,jk,jpoxy) ) & |
---|
595 | & / ( oxymin + trb(ji,jj,jk,jpoxy) ) ) |
---|
596 | nitrfac(ji,jj,jk) = MIN( 1., nitrfac(ji,jj,jk) ) |
---|
597 | END DO |
---|
598 | END DO |
---|
599 | END DO |
---|
600 | ! |
---|
601 | IF( lk_iomput .AND. knt == nrdttrc ) THEN ! save output diagnostics |
---|
602 | IF( iom_use( "xfracal" ) ) CALL iom_put( "xfracal", xfracal(:,:,:) * tmask(:,:,:) ) ! euphotic layer deptht |
---|
603 | IF( iom_use( "LNnut" ) ) CALL iom_put( "LNnut" , xlimphy(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
---|
604 | IF( iom_use( "LPnut" ) ) CALL iom_put( "LPnut" , xlimpic(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
---|
605 | IF( iom_use( "LDnut" ) ) CALL iom_put( "LDnut" , xlimdia(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
---|
606 | IF( iom_use( "LNFe" ) ) CALL iom_put( "LNFe" , xlimnfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
607 | IF( iom_use( "LPFe" ) ) CALL iom_put( "LPFe" , xlimpfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
608 | IF( iom_use( "LDFe" ) ) CALL iom_put( "LDFe" , xlimdfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
609 | IF( iom_use( "SIZEN" ) ) CALL iom_put( "SIZEN" , sizen(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
610 | IF( iom_use( "SIZEP" ) ) CALL iom_put( "SIZEP" , sizep(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
611 | IF( iom_use( "SIZED" ) ) CALL iom_put( "SIZED" , sized(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
---|
612 | ENDIF |
---|
613 | ! |
---|
614 | IF( nn_timing == 1 ) CALL timing_stop('p5z_lim') |
---|
615 | ! |
---|
616 | END SUBROUTINE p5z_lim |
---|
617 | |
---|
618 | SUBROUTINE p4z_lim_init |
---|
619 | |
---|
620 | !!---------------------------------------------------------------------- |
---|
621 | !! *** ROUTINE p4z_lim_init *** |
---|
622 | !! |
---|
623 | !! ** Purpose : Initialization of nutrient limitation parameters |
---|
624 | !! |
---|
625 | !! ** Method : Read the nampislim namelist and check the parameters |
---|
626 | !! called at the first timestep (nittrc000) |
---|
627 | !! |
---|
628 | !! ** input : Namelist nampislim |
---|
629 | !! |
---|
630 | !!---------------------------------------------------------------------- |
---|
631 | |
---|
632 | NAMELIST/namp4zlim/ concnno3, concdno3, concnnh4, concdnh4, concnfer, concdfer, concbfe, & |
---|
633 | & concbno3, concbnh4, xsizedia, xsizephy, xsizern, xsizerd, & |
---|
634 | & xksi1, xksi2, xkdoc, qnfelim, qdfelim, caco3r, oxymin |
---|
635 | INTEGER :: ios ! Local integer output status for namelist read |
---|
636 | |
---|
637 | REWIND( numnatp_ref ) ! Namelist nampislim in reference namelist : Pisces nutrient limitation parameters |
---|
638 | READ ( numnatp_ref, namp4zlim, IOSTAT = ios, ERR = 901) |
---|
639 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp4zlim in reference namelist', lwp ) |
---|
640 | |
---|
641 | REWIND( numnatp_cfg ) ! Namelist nampislim in configuration namelist : Pisces nutrient limitation parameters |
---|
642 | READ ( numnatp_cfg, namp4zlim, IOSTAT = ios, ERR = 902 ) |
---|
643 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp4zlim in configuration namelist', lwp ) |
---|
644 | IF(lwm) WRITE ( numonp, namp4zlim ) |
---|
645 | |
---|
646 | IF(lwp) THEN ! control print |
---|
647 | WRITE(numout,*) ' ' |
---|
648 | WRITE(numout,*) ' Namelist parameters for nutrient limitations, namp4zlim' |
---|
649 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
650 | WRITE(numout,*) ' mean rainratio caco3r = ', caco3r |
---|
651 | WRITE(numout,*) ' NO3 half saturation of nanophyto concnno3 = ', concnno3 |
---|
652 | WRITE(numout,*) ' NO3 half saturation of diatoms concdno3 = ', concdno3 |
---|
653 | WRITE(numout,*) ' NH4 half saturation for phyto concnnh4 = ', concnnh4 |
---|
654 | WRITE(numout,*) ' NH4 half saturation for diatoms concdnh4 = ', concdnh4 |
---|
655 | WRITE(numout,*) ' half saturation constant for Si uptake xksi1 = ', xksi1 |
---|
656 | WRITE(numout,*) ' half saturation constant for Si/C xksi2 = ', xksi2 |
---|
657 | WRITE(numout,*) ' half-sat. of DOC remineralization xkdoc = ', xkdoc |
---|
658 | WRITE(numout,*) ' Iron half saturation for nanophyto concnfer = ', concnfer |
---|
659 | WRITE(numout,*) ' Iron half saturation for diatoms concdfer = ', concdfer |
---|
660 | WRITE(numout,*) ' size ratio for nanophytoplankton xsizern = ', xsizern |
---|
661 | WRITE(numout,*) ' size ratio for diatoms xsizerd = ', xsizerd |
---|
662 | WRITE(numout,*) ' NO3 half saturation of bacteria concbno3 = ', concbno3 |
---|
663 | WRITE(numout,*) ' NH4 half saturation for bacteria concbnh4 = ', concbnh4 |
---|
664 | WRITE(numout,*) ' Minimum size criteria for diatoms xsizedia = ', xsizedia |
---|
665 | WRITE(numout,*) ' Minimum size criteria for nanophyto xsizephy = ', xsizephy |
---|
666 | WRITE(numout,*) ' Fe half saturation for bacteria concbfe = ', concbfe |
---|
667 | WRITE(numout,*) ' halk saturation constant for anoxia oxymin =' , oxymin |
---|
668 | WRITE(numout,*) ' optimal Fe quota for nano. qnfelim = ', qnfelim |
---|
669 | WRITE(numout,*) ' Optimal Fe quota for diatoms qdfelim = ', qdfelim |
---|
670 | ENDIF |
---|
671 | ! |
---|
672 | nitrfac (:,:,:) = 0._wp |
---|
673 | ! |
---|
674 | END SUBROUTINE p4z_lim_init |
---|
675 | |
---|
676 | SUBROUTINE p5z_lim_init |
---|
677 | |
---|
678 | !!---------------------------------------------------------------------- |
---|
679 | !! *** ROUTINE p5z_lim_init *** |
---|
680 | !! |
---|
681 | !! ** Purpose : Initialization of nutrient limitation parameters |
---|
682 | !! |
---|
683 | !! ** Method : Read the nampislim and nampisquota namelists and check |
---|
684 | !! the parameters called at the first timestep (nittrc000) |
---|
685 | !! |
---|
686 | !! ** input : Namelist nampislim |
---|
687 | !! |
---|
688 | !!---------------------------------------------------------------------- |
---|
689 | |
---|
690 | NAMELIST/namp5zlim/ concnno3, concpno3, concdno3, concnnh4, concpnh4, concdnh4, & |
---|
691 | & concnfer, concpfer, concdfer, concbfe, concnpo4, concppo4, & |
---|
692 | & concdpo4, concbno3, concbnh4, concbpo4, xsizedia, xsizepic, & |
---|
693 | & xsizephy, xsizern, xsizerp, xsizerd, xksi1, xksi2, xkdoc, & |
---|
694 | & caco3r, oxymin |
---|
695 | |
---|
696 | NAMELIST/namp5zquota/ qnnmin, qnnmax, qpnmin, qpnmax, qnpmin, qnpmax, qppmin, & |
---|
697 | & qppmax, qndmin, qndmax, qpdmin, qpdmax, qfnmax, qfpmax, qfdmax, & |
---|
698 | & qfnopt, qfpopt, qfdopt |
---|
699 | |
---|
700 | |
---|
701 | INTEGER :: ios ! Local integer output status for namelist read |
---|
702 | |
---|
703 | REWIND( numnatp_ref ) ! Namelist nampislim in reference namelist : Pisces nutrient limitation parameters |
---|
704 | READ ( numnatp_ref, namp5zlim, IOSTAT = ios, ERR = 901) |
---|
705 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampislim in reference namelist', lwp ) |
---|
706 | |
---|
707 | REWIND( numnatp_cfg ) ! Namelist nampislim in configuration namelist : Pisces nutrient limitation parameters |
---|
708 | READ ( numnatp_cfg, namp5zlim, IOSTAT = ios, ERR = 902 ) |
---|
709 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampislim in configuration namelist', lwp ) |
---|
710 | IF(lwm) WRITE ( numonp, namp5zlim ) |
---|
711 | |
---|
712 | IF(lwp) THEN ! control print |
---|
713 | WRITE(numout,*) ' ' |
---|
714 | WRITE(numout,*) ' Namelist parameters for nutrient limitations, namp5zlim' |
---|
715 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
716 | WRITE(numout,*) ' mean rainratio caco3r = ', caco3r |
---|
717 | WRITE(numout,*) ' NO3 half saturation of nanophyto concnno3 = ', concnno3 |
---|
718 | WRITE(numout,*) ' NO3 half saturation of picophyto concpno3 = ', concpno3 |
---|
719 | WRITE(numout,*) ' NO3 half saturation of diatoms concdno3 = ', concdno3 |
---|
720 | WRITE(numout,*) ' NH4 half saturation for phyto concnnh4 = ', concnnh4 |
---|
721 | WRITE(numout,*) ' NH4 half saturation for pico concpnh4 = ', concpnh4 |
---|
722 | WRITE(numout,*) ' NH4 half saturation for diatoms concdnh4 = ', concdnh4 |
---|
723 | WRITE(numout,*) ' PO4 half saturation for phyto concnpo4 = ', concnpo4 |
---|
724 | WRITE(numout,*) ' PO4 half saturation for pico concppo4 = ', concppo4 |
---|
725 | WRITE(numout,*) ' PO4 half saturation for diatoms concdpo4 = ', concdpo4 |
---|
726 | WRITE(numout,*) ' half saturation constant for Si uptake xksi1 = ', xksi1 |
---|
727 | WRITE(numout,*) ' half saturation constant for Si/C xksi2 = ', xksi2 |
---|
728 | WRITE(numout,*) ' half-sat. of DOC remineralization xkdoc = ', xkdoc |
---|
729 | WRITE(numout,*) ' Iron half saturation for nanophyto concnfer = ', concnfer |
---|
730 | WRITE(numout,*) ' Iron half saturation for picophyto concpfer = ', concpfer |
---|
731 | WRITE(numout,*) ' Iron half saturation for diatoms concdfer = ', concdfer |
---|
732 | WRITE(numout,*) ' size ratio for nanophytoplankton xsizern = ', xsizern |
---|
733 | WRITE(numout,*) ' size ratio for picophytoplankton xsizerp = ', xsizerp |
---|
734 | WRITE(numout,*) ' size ratio for diatoms xsizerd = ', xsizerd |
---|
735 | WRITE(numout,*) ' NO3 half saturation of bacteria concbno3 = ', concbno3 |
---|
736 | WRITE(numout,*) ' NH4 half saturation for bacteria concbnh4 = ', concbnh4 |
---|
737 | WRITE(numout,*) ' Minimum size criteria for diatoms xsizedia = ', xsizedia |
---|
738 | WRITE(numout,*) ' Minimum size criteria for picophyto xsizepic = ', xsizepic |
---|
739 | WRITE(numout,*) ' Minimum size criteria for nanophyto xsizephy = ', xsizephy |
---|
740 | WRITE(numout,*) ' Fe half saturation for bacteria concbfe = ', concbfe |
---|
741 | WRITE(numout,*) ' halk saturation constant for anoxia oxymin =' , oxymin |
---|
742 | ENDIF |
---|
743 | |
---|
744 | REWIND( numnatp_ref ) ! Namelist nampislim in reference namelist : Pisces nutrient limitation parameters |
---|
745 | READ ( numnatp_ref, namp5zquota, IOSTAT = ios, ERR = 903) |
---|
746 | 903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisquota in reference namelist', lwp ) |
---|
747 | |
---|
748 | REWIND( numnatp_cfg ) ! Namelist nampislim in configuration namelist : Pisces nutrient limitation parameters |
---|
749 | READ ( numnatp_cfg, namp5zquota, IOSTAT = ios, ERR = 904 ) |
---|
750 | 904 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisquota in configuration namelist', lwp ) |
---|
751 | IF(lwm) WRITE ( numonp, namp5zquota ) |
---|
752 | |
---|
753 | IF(lwp) THEN ! control print |
---|
754 | WRITE(numout,*) ' ' |
---|
755 | WRITE(numout,*) ' Namelist parameters for nutrient limitations, namp5zquota' |
---|
756 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
757 | WRITE(numout,*) ' optimal Fe quota for nano. qfnopt = ', qfnopt |
---|
758 | WRITE(numout,*) ' optimal Fe quota for pico. qfpopt = ', qfpopt |
---|
759 | WRITE(numout,*) ' Optimal Fe quota for diatoms qfdopt = ', qfdopt |
---|
760 | WRITE(numout,*) ' Minimal N quota for nano qnnmin = ', qnnmin |
---|
761 | WRITE(numout,*) ' Maximal N quota for nano qnnmax = ', qnnmax |
---|
762 | WRITE(numout,*) ' Minimal P quota for nano qpnmin = ', qpnmin |
---|
763 | WRITE(numout,*) ' Maximal P quota for nano qpnmax = ', qpnmax |
---|
764 | WRITE(numout,*) ' Minimal N quota for pico qnpmin = ', qnpmin |
---|
765 | WRITE(numout,*) ' Maximal N quota for pico qnpmax = ', qnpmax |
---|
766 | WRITE(numout,*) ' Minimal P quota for pico qppmin = ', qppmin |
---|
767 | WRITE(numout,*) ' Maximal P quota for pico qppmax = ', qppmax |
---|
768 | WRITE(numout,*) ' Minimal N quota for diatoms qndmin = ', qndmin |
---|
769 | WRITE(numout,*) ' Maximal N quota for diatoms qndmax = ', qndmax |
---|
770 | WRITE(numout,*) ' Minimal P quota for diatoms qpdmin = ', qpdmin |
---|
771 | WRITE(numout,*) ' Maximal P quota for diatoms qpdmax = ', qpdmax |
---|
772 | WRITE(numout,*) ' Maximal Fe quota for nanophyto. qfnmax = ', qfnmax |
---|
773 | WRITE(numout,*) ' Maximal Fe quota for picophyto. qfpmax = ', qfpmax |
---|
774 | WRITE(numout,*) ' Maximal Fe quota for diatoms qfdmax = ', qfdmax |
---|
775 | ENDIF |
---|
776 | |
---|
777 | zpsino3 = 2.3 * rno3 |
---|
778 | zpsinh4 = 1.8 * rno3 |
---|
779 | zpsiuptk = 2.3 * rno3 |
---|
780 | ! |
---|
781 | nitrfac (:,:,:) = 0._wp |
---|
782 | ! |
---|
783 | END SUBROUTINE p5z_lim_init |
---|
784 | |
---|
785 | INTEGER FUNCTION p4z_lim_alloc() |
---|
786 | !!---------------------------------------------------------------------- |
---|
787 | !! *** ROUTINE p5z_lim_alloc *** |
---|
788 | !!---------------------------------------------------------------------- |
---|
789 | USE lib_mpp , ONLY: ctl_warn |
---|
790 | INTEGER :: ierr(3) ! Local variables |
---|
791 | !!---------------------------------------------------------------------- |
---|
792 | ierr(:) = 0 |
---|
793 | |
---|
794 | !* Biological arrays for phytoplankton growth |
---|
795 | ALLOCATE( xnanono3(jpi,jpj,jpk), xdiatno3(jpi,jpj,jpk), & |
---|
796 | & xnanonh4(jpi,jpj,jpk), xdiatnh4(jpi,jpj,jpk), & |
---|
797 | & xnanopo4(jpi,jpj,jpk), xdiatpo4(jpi,jpj,jpk), & |
---|
798 | & xlimphy (jpi,jpj,jpk), xlimdia (jpi,jpj,jpk), & |
---|
799 | & xlimnfe (jpi,jpj,jpk), xlimdfe (jpi,jpj,jpk), & |
---|
800 | & xlimbac (jpi,jpj,jpk), xlimbacl(jpi,jpj,jpk), & |
---|
801 | & concnfe (jpi,jpj,jpk), concdfe (jpi,jpj,jpk), & |
---|
802 | & xlimsi (jpi,jpj,jpk), STAT=ierr(1) ) |
---|
803 | |
---|
804 | IF (ln_p5z) THEN |
---|
805 | !* Biological arrays for phytoplankton growth |
---|
806 | ALLOCATE( xpicono3(jpi,jpj,jpk), xpiconh4(jpi,jpj,jpk), & |
---|
807 | & xpicopo4(jpi,jpj,jpk), xpicodop(jpi,jpj,jpk), & |
---|
808 | & xnanodop(jpi,jpj,jpk), xdiatdop(jpi,jpj,jpk), & |
---|
809 | & xnanofer(jpi,jpj,jpk), xdiatfer(jpi,jpj,jpk), & |
---|
810 | & xpicofer(jpi,jpj,jpk), xlimpfe (jpi,jpj,jpk), & |
---|
811 | & fvnuptk (jpi,jpj,jpk), fvduptk (jpi,jpj,jpk), & |
---|
812 | & fvpuptk (jpi,jpj,jpk), xlimpic (jpi,jpj,jpk), & |
---|
813 | & xlimsi2 (jpi,jpj,jpk), STAT=ierr(2) ) |
---|
814 | |
---|
815 | !* Minimum/maximum quotas of phytoplankton |
---|
816 | ALLOCATE( xqnnmin (jpi,jpj,jpk), xqnnmax(jpi,jpj,jpk), & |
---|
817 | & xqpnmin (jpi,jpj,jpk), xqpnmax(jpi,jpj,jpk), & |
---|
818 | & xqnpmin (jpi,jpj,jpk), xqnpmax(jpi,jpj,jpk), & |
---|
819 | & xqppmin (jpi,jpj,jpk), xqppmax(jpi,jpj,jpk), & |
---|
820 | & xqndmin (jpi,jpj,jpk), xqndmax(jpi,jpj,jpk), & |
---|
821 | & xqpdmin (jpi,jpj,jpk), xqpdmax(jpi,jpj,jpk), STAT=ierr(3) ) |
---|
822 | ENDIF |
---|
823 | ! |
---|
824 | |
---|
825 | p4z_lim_alloc = MAXVAL( ierr ) |
---|
826 | ! |
---|
827 | IF( p4z_lim_alloc /= 0 ) CALL ctl_warn('p4z_lim_alloc : failed to allocate arrays.') |
---|
828 | ! |
---|
829 | END FUNCTION p4z_lim_alloc |
---|
830 | |
---|
831 | !!====================================================================== |
---|
832 | END MODULE p4zlim |
---|