1 | MODULE p4zsed |
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2 | !!====================================================================== |
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3 | !! *** MODULE p4sed *** |
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4 | !! TOP : PISCES Compute loss of organic matter in the sediments |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2004-03 (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 ! 2011-06 (C. Ethe) USE of fldread |
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9 | !! 3.5 ! 2012-07 (O. Aumont) improvment of river input of nutrients |
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10 | !!---------------------------------------------------------------------- |
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11 | !! p4z_sed : Compute loss of organic matter in the sediments |
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12 | !!---------------------------------------------------------------------- |
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13 | USE oce_trc ! shared variables between ocean and passive tracers |
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14 | USE trc ! passive tracers common variables |
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15 | USE sms_pisces ! PISCES Source Minus Sink variables |
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16 | USE p4zlim ! Co-limitations of differents nutrients |
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17 | USE p4zint ! interpolation and computation of various fields |
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18 | USE sed ! Sediment module |
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19 | USE iom ! I/O manager |
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20 | USE prtctl_trc ! print control for debugging |
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21 | |
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22 | IMPLICIT NONE |
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23 | PRIVATE |
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24 | |
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25 | PUBLIC p4z_sed |
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26 | PUBLIC p4z_sed_init |
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27 | PUBLIC p4z_sed_alloc |
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28 | |
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29 | REAL(wp), PUBLIC :: nitrfix !: Nitrogen fixation rate |
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30 | REAL(wp), PUBLIC :: diazolight !: Nitrogen fixation sensitivty to light |
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31 | REAL(wp), PUBLIC :: concfediaz !: Fe half-saturation Cste for diazotrophs |
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32 | |
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33 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: nitrpot !: Nitrogen fixation |
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34 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,: ) :: sdenit !: Nitrate reduction in the sediments |
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35 | ! |
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36 | REAL(wp), SAVE :: r1_rday |
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37 | REAL(wp), SAVE :: sedsilfrac, sedcalfrac |
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38 | |
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39 | !!---------------------------------------------------------------------- |
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40 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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41 | !! $Id$ |
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42 | !! Software governed by the CeCILL license (see ./LICENSE) |
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43 | !!---------------------------------------------------------------------- |
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44 | CONTAINS |
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45 | |
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46 | SUBROUTINE p4z_sed( kt, knt, Kbb, Kmm, Krhs ) |
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47 | !!--------------------------------------------------------------------- |
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48 | !! *** ROUTINE p4z_sed *** |
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49 | !! |
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50 | !! ** Purpose : Compute loss of organic matter in the sediments. This |
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51 | !! is by no way a sediment model. The loss is simply |
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52 | !! computed to balance the inout from rivers and dust |
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53 | !! |
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54 | !! ** Method : - ??? |
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55 | !!--------------------------------------------------------------------- |
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56 | ! |
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57 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
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58 | INTEGER, INTENT(in) :: Kbb, Kmm, Krhs ! time level indices |
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59 | INTEGER :: ji, jj, jk, ikt |
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60 | REAL(wp) :: zrivalk, zrivsil, zrivno3 |
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61 | REAL(wp) :: zlim, zfact, zfactcal |
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62 | REAL(wp) :: zo2, zno3, zflx, zpdenit, z1pdenit, zolimit |
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63 | REAL(wp) :: zsiloss, zcaloss, zws3, zws4, zwsc, zdep |
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64 | REAL(wp) :: zwstpoc, zwstpon, zwstpop |
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65 | REAL(wp) :: ztrfer, ztrpo4s, ztrdp, zwdust, zmudia, ztemp |
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66 | REAL(wp) :: xdiano3, xdianh4 |
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67 | ! |
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68 | CHARACTER (len=25) :: charout |
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69 | REAL(wp), DIMENSION(jpi,jpj ) :: zdenit2d, zbureff, zwork |
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70 | REAL(wp), DIMENSION(jpi,jpj ) :: zwsbio3, zwsbio4 |
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71 | REAL(wp), DIMENSION(jpi,jpj ) :: zsedcal, zsedsi, zsedc |
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72 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zsoufer, zlight |
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73 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: ztrpo4, ztrdop, zirondep, zpdep |
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74 | !!--------------------------------------------------------------------- |
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75 | ! |
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76 | IF( ln_timing ) CALL timing_start('p4z_sed') |
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77 | ! |
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78 | |
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79 | ! Allocate temporary workspace |
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80 | ALLOCATE( ztrpo4(jpi,jpj,jpk) ) |
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81 | IF( ln_p5z ) ALLOCATE( ztrdop(jpi,jpj,jpk) ) |
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82 | |
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83 | zdenit2d(:,:) = 0.e0 |
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84 | zbureff (:,:) = 0.e0 |
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85 | zwork (:,:) = 0.e0 |
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86 | zsedsi (:,:) = 0.e0 |
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87 | zsedcal (:,:) = 0.e0 |
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88 | zsedc (:,:) = 0.e0 |
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89 | |
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90 | IF( .NOT.lk_sed ) THEN |
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91 | ! OA: Warning, the following part is necessary to avoid CFL problems above the sediments |
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92 | ! -------------------------------------------------------------------- |
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93 | DO jj = 1, jpj |
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94 | DO ji = 1, jpi |
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95 | ikt = mbkt(ji,jj) |
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96 | zdep = e3t(ji,jj,ikt,Kmm) / xstep |
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97 | zwsbio4(ji,jj) = MIN( 0.99 * zdep, wsbio4(ji,jj,ikt) ) |
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98 | zwsbio3(ji,jj) = MIN( 0.99 * zdep, wsbio3(ji,jj,ikt) ) |
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99 | END DO |
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100 | END DO |
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101 | |
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102 | ! Computation of the sediment denitrification proportion: The metamodel from midlleburg (2006) is being used |
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103 | ! Computation of the fraction of organic matter that is permanently buried from Dunne's model |
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104 | ! ------------------------------------------------------- |
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105 | DO jj = 1, jpj |
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106 | DO ji = 1, jpi |
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107 | IF( tmask(ji,jj,1) == 1 ) THEN |
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108 | ikt = mbkt(ji,jj) |
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109 | zflx = ( tr(ji,jj,ikt,jpgoc,Kbb) * zwsbio4(ji,jj) & |
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110 | & + tr(ji,jj,ikt,jppoc,Kbb) * zwsbio3(ji,jj) ) * 1E3 * 1E6 / 1E4 |
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111 | zflx = LOG10( MAX( 1E-3, zflx ) ) |
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112 | zo2 = LOG10( MAX( 10. , tr(ji,jj,ikt,jpoxy,Kbb) * 1E6 ) ) |
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113 | zno3 = LOG10( MAX( 1. , tr(ji,jj,ikt,jpno3,Kbb) * 1E6 * rno3 ) ) |
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114 | zdep = LOG10( gdepw(ji,jj,ikt+1,Kmm) ) |
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115 | zdenit2d(ji,jj) = -2.2567 - 1.185 * zflx - 0.221 * zflx**2 - 0.3995 * zno3 * zo2 + 1.25 * zno3 & |
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116 | & + 0.4721 * zo2 - 0.0996 * zdep + 0.4256 * zflx * zo2 |
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117 | zdenit2d(ji,jj) = 10.0**( zdenit2d(ji,jj) ) |
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118 | ! |
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119 | zflx = ( tr(ji,jj,ikt,jpgoc,Kbb) * zwsbio4(ji,jj) & |
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120 | & + tr(ji,jj,ikt,jppoc,Kbb) * zwsbio3(ji,jj) ) * 1E6 |
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121 | zbureff(ji,jj) = 0.013 + 0.53 * zflx**2 / ( 7.0 + zflx )**2 |
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122 | ENDIF |
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123 | END DO |
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124 | END DO |
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125 | ! |
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126 | ENDIF |
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127 | |
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128 | ! This loss is scaled at each bottom grid cell for equilibrating the total budget of silica in the ocean. |
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129 | ! Thus, the amount of silica lost in the sediments equal the supply at the surface (dust+rivers) |
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130 | ! ------------------------------------------------------ |
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131 | IF( .NOT.lk_sed ) zrivsil = 1._wp - sedsilfrac |
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132 | |
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133 | DO jj = 1, jpj |
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134 | DO ji = 1, jpi |
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135 | ikt = mbkt(ji,jj) |
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136 | zdep = xstep / e3t(ji,jj,ikt,Kmm) |
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137 | zwsc = zwsbio4(ji,jj) * zdep |
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138 | zsiloss = tr(ji,jj,ikt,jpgsi,Kbb) * zwsc |
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139 | zcaloss = tr(ji,jj,ikt,jpcal,Kbb) * zwsc |
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140 | ! |
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141 | tr(ji,jj,ikt,jpgsi,Krhs) = tr(ji,jj,ikt,jpgsi,Krhs) - zsiloss |
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142 | tr(ji,jj,ikt,jpcal,Krhs) = tr(ji,jj,ikt,jpcal,Krhs) - zcaloss |
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143 | END DO |
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144 | END DO |
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145 | ! |
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146 | IF( .NOT.lk_sed ) THEN |
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147 | DO jj = 1, jpj |
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148 | DO ji = 1, jpi |
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149 | ikt = mbkt(ji,jj) |
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150 | zdep = xstep / e3t(ji,jj,ikt,Kmm) |
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151 | zwsc = zwsbio4(ji,jj) * zdep |
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152 | zsiloss = tr(ji,jj,ikt,jpgsi,Kbb) * zwsc |
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153 | zcaloss = tr(ji,jj,ikt,jpcal,Kbb) * zwsc |
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154 | tr(ji,jj,ikt,jpsil,Krhs) = tr(ji,jj,ikt,jpsil,Krhs) + zsiloss * zrivsil |
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155 | ! |
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156 | zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) |
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157 | zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) |
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158 | zrivalk = sedcalfrac * zfactcal |
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159 | tr(ji,jj,ikt,jptal,Krhs) = tr(ji,jj,ikt,jptal,Krhs) + zcaloss * zrivalk * 2.0 |
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160 | tr(ji,jj,ikt,jpdic,Krhs) = tr(ji,jj,ikt,jpdic,Krhs) + zcaloss * zrivalk |
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161 | zsedcal(ji,jj) = (1.0 - zrivalk) * zcaloss * e3t(ji,jj,ikt,Kmm) |
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162 | zsedsi (ji,jj) = (1.0 - zrivsil) * zsiloss * e3t(ji,jj,ikt,Kmm) |
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163 | END DO |
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164 | END DO |
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165 | ENDIF |
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166 | ! |
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167 | DO jj = 1, jpj |
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168 | DO ji = 1, jpi |
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169 | ikt = mbkt(ji,jj) |
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170 | zdep = xstep / e3t(ji,jj,ikt,Kmm) |
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171 | zws4 = zwsbio4(ji,jj) * zdep |
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172 | zws3 = zwsbio3(ji,jj) * zdep |
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173 | tr(ji,jj,ikt,jpgoc,Krhs) = tr(ji,jj,ikt,jpgoc,Krhs) - tr(ji,jj,ikt,jpgoc,Kbb) * zws4 |
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174 | tr(ji,jj,ikt,jppoc,Krhs) = tr(ji,jj,ikt,jppoc,Krhs) - tr(ji,jj,ikt,jppoc,Kbb) * zws3 |
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175 | tr(ji,jj,ikt,jpbfe,Krhs) = tr(ji,jj,ikt,jpbfe,Krhs) - tr(ji,jj,ikt,jpbfe,Kbb) * zws4 |
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176 | tr(ji,jj,ikt,jpsfe,Krhs) = tr(ji,jj,ikt,jpsfe,Krhs) - tr(ji,jj,ikt,jpsfe,Kbb) * zws3 |
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177 | END DO |
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178 | END DO |
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179 | ! |
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180 | IF( ln_p5z ) THEN |
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181 | DO jj = 1, jpj |
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182 | DO ji = 1, jpi |
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183 | ikt = mbkt(ji,jj) |
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184 | zdep = xstep / e3t(ji,jj,ikt,Kmm) |
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185 | zws4 = zwsbio4(ji,jj) * zdep |
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186 | zws3 = zwsbio3(ji,jj) * zdep |
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187 | tr(ji,jj,ikt,jpgon,Krhs) = tr(ji,jj,ikt,jpgon,Krhs) - tr(ji,jj,ikt,jpgon,Kbb) * zws4 |
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188 | tr(ji,jj,ikt,jppon,Krhs) = tr(ji,jj,ikt,jppon,Krhs) - tr(ji,jj,ikt,jppon,Kbb) * zws3 |
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189 | tr(ji,jj,ikt,jpgop,Krhs) = tr(ji,jj,ikt,jpgop,Krhs) - tr(ji,jj,ikt,jpgop,Kbb) * zws4 |
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190 | tr(ji,jj,ikt,jppop,Krhs) = tr(ji,jj,ikt,jppop,Krhs) - tr(ji,jj,ikt,jppop,Kbb) * zws3 |
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191 | END DO |
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192 | END DO |
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193 | ENDIF |
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194 | |
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195 | IF( .NOT.lk_sed ) THEN |
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196 | ! The 0.5 factor in zpdenit is to avoid negative NO3 concentration after |
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197 | ! denitrification in the sediments. Not very clever, but simpliest option. |
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198 | DO jj = 1, jpj |
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199 | DO ji = 1, jpi |
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200 | ikt = mbkt(ji,jj) |
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201 | zdep = xstep / e3t(ji,jj,ikt,Kmm) |
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202 | zws4 = zwsbio4(ji,jj) * zdep |
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203 | zws3 = zwsbio3(ji,jj) * zdep |
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204 | zrivno3 = 1. - zbureff(ji,jj) |
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205 | zwstpoc = tr(ji,jj,ikt,jpgoc,Kbb) * zws4 + tr(ji,jj,ikt,jppoc,Kbb) * zws3 |
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206 | zpdenit = MIN( 0.5 * ( tr(ji,jj,ikt,jpno3,Kbb) - rtrn ) / rdenit, zdenit2d(ji,jj) * zwstpoc * zrivno3 ) |
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207 | z1pdenit = zwstpoc * zrivno3 - zpdenit |
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208 | zolimit = MIN( ( tr(ji,jj,ikt,jpoxy,Kbb) - rtrn ) / o2ut, z1pdenit * ( 1.- nitrfac(ji,jj,ikt) ) ) |
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209 | tr(ji,jj,ikt,jpdoc,Krhs) = tr(ji,jj,ikt,jpdoc,Krhs) + z1pdenit - zolimit |
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210 | tr(ji,jj,ikt,jppo4,Krhs) = tr(ji,jj,ikt,jppo4,Krhs) + zpdenit + zolimit |
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211 | tr(ji,jj,ikt,jpnh4,Krhs) = tr(ji,jj,ikt,jpnh4,Krhs) + zpdenit + zolimit |
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212 | tr(ji,jj,ikt,jpno3,Krhs) = tr(ji,jj,ikt,jpno3,Krhs) - rdenit * zpdenit |
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213 | tr(ji,jj,ikt,jpoxy,Krhs) = tr(ji,jj,ikt,jpoxy,Krhs) - zolimit * o2ut |
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214 | tr(ji,jj,ikt,jptal,Krhs) = tr(ji,jj,ikt,jptal,Krhs) + rno3 * (zolimit + (1.+rdenit) * zpdenit ) |
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215 | tr(ji,jj,ikt,jpdic,Krhs) = tr(ji,jj,ikt,jpdic,Krhs) + zpdenit + zolimit |
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216 | sdenit(ji,jj) = rdenit * zpdenit * e3t(ji,jj,ikt,Kmm) |
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217 | zsedc(ji,jj) = (1. - zrivno3) * zwstpoc * e3t(ji,jj,ikt,Kmm) |
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218 | IF( ln_p5z ) THEN |
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219 | zwstpop = tr(ji,jj,ikt,jpgop,Kbb) * zws4 + tr(ji,jj,ikt,jppop,Kbb) * zws3 |
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220 | zwstpon = tr(ji,jj,ikt,jpgon,Kbb) * zws4 + tr(ji,jj,ikt,jppon,Kbb) * zws3 |
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221 | tr(ji,jj,ikt,jpdon,Krhs) = tr(ji,jj,ikt,jpdon,Krhs) + ( z1pdenit - zolimit ) * zwstpon / (zwstpoc + rtrn) |
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222 | tr(ji,jj,ikt,jpdop,Krhs) = tr(ji,jj,ikt,jpdop,Krhs) + ( z1pdenit - zolimit ) * zwstpop / (zwstpoc + rtrn) |
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223 | ENDIF |
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224 | END DO |
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225 | END DO |
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226 | ENDIF |
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227 | |
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228 | |
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229 | ! Nitrogen fixation process |
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230 | ! Small source iron from particulate inorganic iron |
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231 | !----------------------------------- |
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232 | DO jk = 1, jpkm1 |
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233 | zlight (:,:,jk) = ( 1.- EXP( -etot_ndcy(:,:,jk) / diazolight ) ) * ( 1. - fr_i(:,:) ) |
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234 | zsoufer(:,:,jk) = zlight(:,:,jk) * 2E-11 / ( 2E-11 + biron(:,:,jk) ) |
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235 | ENDDO |
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236 | IF( ln_p4z ) THEN |
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237 | DO jk = 1, jpkm1 |
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238 | DO jj = 1, jpj |
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239 | DO ji = 1, jpi |
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240 | ! ! Potential nitrogen fixation dependant on temperature and iron |
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241 | ztemp = ts(ji,jj,jk,jp_tem,Kmm) |
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242 | zmudia = MAX( 0.,-0.001096*ztemp**2 + 0.057*ztemp -0.637 ) * 7.625 |
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243 | ! Potential nitrogen fixation dependant on temperature and iron |
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244 | xdianh4 = tr(ji,jj,jk,jpnh4,Kbb) / ( concnnh4 + tr(ji,jj,jk,jpnh4,Kbb) ) |
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245 | xdiano3 = tr(ji,jj,jk,jpno3,Kbb) / ( concnno3 + tr(ji,jj,jk,jpno3,Kbb) ) * (1. - xdianh4) |
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246 | zlim = ( 1.- xdiano3 - xdianh4 ) |
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247 | IF( zlim <= 0.1 ) zlim = 0.01 |
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248 | zfact = zlim * rfact2 |
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249 | ztrfer = biron(ji,jj,jk) / ( concfediaz + biron(ji,jj,jk) ) |
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250 | ztrpo4(ji,jj,jk) = tr(ji,jj,jk,jppo4,Kbb) / ( 1E-6 + tr(ji,jj,jk,jppo4,Kbb) ) |
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251 | ztrdp = ztrpo4(ji,jj,jk) |
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252 | nitrpot(ji,jj,jk) = zmudia * r1_rday * zfact * MIN( ztrfer, ztrdp ) * zlight(ji,jj,jk) |
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253 | END DO |
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254 | END DO |
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255 | END DO |
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256 | ELSE ! p5z |
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257 | DO jk = 1, jpkm1 |
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258 | DO jj = 1, jpj |
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259 | DO ji = 1, jpi |
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260 | ! ! Potential nitrogen fixation dependant on temperature and iron |
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261 | ztemp = ts(ji,jj,jk,jp_tem,Kmm) |
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262 | zmudia = MAX( 0.,-0.001096*ztemp**2 + 0.057*ztemp -0.637 ) * 7.625 |
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263 | ! Potential nitrogen fixation dependant on temperature and iron |
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264 | xdianh4 = tr(ji,jj,jk,jpnh4,Kbb) / ( concnnh4 + tr(ji,jj,jk,jpnh4,Kbb) ) |
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265 | xdiano3 = tr(ji,jj,jk,jpno3,Kbb) / ( concnno3 + tr(ji,jj,jk,jpno3,Kbb) ) * (1. - xdianh4) |
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266 | zlim = ( 1.- xdiano3 - xdianh4 ) |
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267 | IF( zlim <= 0.1 ) zlim = 0.01 |
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268 | zfact = zlim * rfact2 |
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269 | ztrfer = biron(ji,jj,jk) / ( concfediaz + biron(ji,jj,jk) ) |
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270 | ztrpo4(ji,jj,jk) = tr(ji,jj,jk,jppo4,Kbb) / ( 1E-6 + tr(ji,jj,jk,jppo4,Kbb) ) |
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271 | ztrdop(ji,jj,jk) = tr(ji,jj,jk,jpdop,Kbb) / ( 1E-6 + tr(ji,jj,jk,jpdop,Kbb) ) * (1. - ztrpo4(ji,jj,jk)) |
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272 | ztrdp = ztrpo4(ji,jj,jk) + ztrdop(ji,jj,jk) |
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273 | nitrpot(ji,jj,jk) = zmudia * r1_rday * zfact * MIN( ztrfer, ztrdp ) * zlight(ji,jj,jk) |
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274 | END DO |
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275 | END DO |
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276 | END DO |
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277 | ENDIF |
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278 | |
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279 | ! Nitrogen change due to nitrogen fixation |
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280 | ! ---------------------------------------- |
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281 | IF( ln_p4z ) THEN |
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282 | DO jk = 1, jpkm1 |
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283 | DO jj = 1, jpj |
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284 | DO ji = 1, jpi |
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285 | zfact = nitrpot(ji,jj,jk) * nitrfix |
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286 | tr(ji,jj,jk,jpnh4,Krhs) = tr(ji,jj,jk,jpnh4,Krhs) + zfact / 3.0 |
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287 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) + rno3 * zfact / 3.0 |
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288 | tr(ji,jj,jk,jppo4,Krhs) = tr(ji,jj,jk,jppo4,Krhs) - zfact * 2.0 / 3.0 |
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289 | tr(ji,jj,jk,jpdoc,Krhs) = tr(ji,jj,jk,jpdoc,Krhs) + zfact * 1.0 / 3.0 |
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290 | tr(ji,jj,jk,jppoc,Krhs) = tr(ji,jj,jk,jppoc,Krhs) + zfact * 1.0 / 3.0 * 2.0 / 3.0 |
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291 | tr(ji,jj,jk,jpgoc,Krhs) = tr(ji,jj,jk,jpgoc,Krhs) + zfact * 1.0 / 3.0 * 1.0 / 3.0 |
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292 | tr(ji,jj,jk,jpoxy,Krhs) = tr(ji,jj,jk,jpoxy,Krhs) + ( o2ut + o2nit ) * zfact * 2.0 / 3.0 + o2nit * zfact / 3.0 |
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293 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) - 30E-6 * zfact * 1.0 / 3.0 |
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294 | tr(ji,jj,jk,jpsfe,Krhs) = tr(ji,jj,jk,jpsfe,Krhs) + 30E-6 * zfact * 1.0 / 3.0 * 2.0 / 3.0 |
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295 | tr(ji,jj,jk,jpbfe,Krhs) = tr(ji,jj,jk,jpbfe,Krhs) + 30E-6 * zfact * 1.0 / 3.0 * 1.0 / 3.0 |
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296 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) + 0.002 * 4E-10 * zsoufer(ji,jj,jk) * rfact2 / rday |
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297 | tr(ji,jj,jk,jppo4,Krhs) = tr(ji,jj,jk,jppo4,Krhs) + concdnh4 / ( concdnh4 + tr(ji,jj,jk,jppo4,Kbb) ) & |
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298 | & * 0.001 * tr(ji,jj,jk,jpdoc,Kbb) * xstep |
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299 | END DO |
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300 | END DO |
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301 | END DO |
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302 | ELSE ! p5z |
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303 | DO jk = 1, jpkm1 |
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304 | DO jj = 1, jpj |
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305 | DO ji = 1, jpi |
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306 | zfact = nitrpot(ji,jj,jk) * nitrfix |
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307 | tr(ji,jj,jk,jpnh4,Krhs) = tr(ji,jj,jk,jpnh4,Krhs) + zfact / 3.0 |
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308 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) + rno3 * zfact / 3.0 |
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309 | tr(ji,jj,jk,jppo4,Krhs) = tr(ji,jj,jk,jppo4,Krhs) - 16.0 / 46.0 * zfact * ( 1.0 - 1.0 / 3.0 ) & |
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310 | & * ztrpo4(ji,jj,jk) / (ztrpo4(ji,jj,jk) + ztrdop(ji,jj,jk) + rtrn) |
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311 | tr(ji,jj,jk,jpdon,Krhs) = tr(ji,jj,jk,jpdon,Krhs) + zfact * 1.0 / 3.0 |
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312 | tr(ji,jj,jk,jpdoc,Krhs) = tr(ji,jj,jk,jpdoc,Krhs) + zfact * 1.0 / 3.0 |
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313 | tr(ji,jj,jk,jpdop,Krhs) = tr(ji,jj,jk,jpdop,Krhs) + 16.0 / 46.0 * zfact / 3.0 & |
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314 | & - 16.0 / 46.0 * zfact * ztrdop(ji,jj,jk) & |
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315 | & / (ztrpo4(ji,jj,jk) + ztrdop(ji,jj,jk) + rtrn) |
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316 | tr(ji,jj,jk,jppoc,Krhs) = tr(ji,jj,jk,jppoc,Krhs) + zfact * 1.0 / 3.0 * 2.0 / 3.0 |
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317 | tr(ji,jj,jk,jppon,Krhs) = tr(ji,jj,jk,jppon,Krhs) + zfact * 1.0 / 3.0 * 2.0 /3.0 |
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318 | tr(ji,jj,jk,jppop,Krhs) = tr(ji,jj,jk,jppop,Krhs) + 16.0 / 46.0 * zfact * 1.0 / 3.0 * 2.0 /3.0 |
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319 | tr(ji,jj,jk,jpgoc,Krhs) = tr(ji,jj,jk,jpgoc,Krhs) + zfact * 1.0 / 3.0 * 1.0 / 3.0 |
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320 | tr(ji,jj,jk,jpgon,Krhs) = tr(ji,jj,jk,jpgon,Krhs) + zfact * 1.0 / 3.0 * 1.0 /3.0 |
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321 | tr(ji,jj,jk,jpgop,Krhs) = tr(ji,jj,jk,jpgop,Krhs) + 16.0 / 46.0 * zfact * 1.0 / 3.0 * 1.0 /3.0 |
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322 | tr(ji,jj,jk,jpoxy,Krhs) = tr(ji,jj,jk,jpoxy,Krhs) + ( o2ut + o2nit ) * zfact * 2.0 / 3.0 + o2nit * zfact / 3.0 |
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323 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) - 30E-6 * zfact * 1.0 / 3.0 |
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324 | tr(ji,jj,jk,jpsfe,Krhs) = tr(ji,jj,jk,jpsfe,Krhs) + 30E-6 * zfact * 1.0 / 3.0 * 2.0 / 3.0 |
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325 | tr(ji,jj,jk,jpbfe,Krhs) = tr(ji,jj,jk,jpbfe,Krhs) + 30E-6 * zfact * 1.0 / 3.0 * 1.0 / 3.0 |
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326 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) + 0.002 * 4E-10 * zsoufer(ji,jj,jk) * rfact2 / rday |
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327 | END DO |
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328 | END DO |
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329 | END DO |
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330 | ! |
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331 | ENDIF |
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332 | |
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333 | IF( lk_iomput ) THEN |
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334 | IF( knt == nrdttrc ) THEN |
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335 | zfact = 1.e+3 * rfact2r ! conversion from molC/l/kt to molN/m3/s |
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336 | IF( iom_use("Nfix" ) ) CALL iom_put( "Nfix", nitrpot(:,:,:) * nitrfix * rno3 * zfact * tmask(:,:,:) ) ! nitrogen fixation |
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337 | IF( iom_use("INTNFIX") ) THEN ! nitrogen fixation rate in ocean ( vertically integrated ) |
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338 | zwork(:,:) = 0. |
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339 | DO jk = 1, jpkm1 |
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340 | zwork(:,:) = zwork(:,:) + nitrpot(:,:,jk) * nitrfix * rno3 * zfact * e3t(:,:,jk,Kmm) * tmask(:,:,jk) |
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341 | ENDDO |
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342 | CALL iom_put( "INTNFIX" , zwork ) |
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343 | ENDIF |
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344 | IF( iom_use("SedCal" ) ) CALL iom_put( "SedCal", zsedcal(:,:) * zfact ) |
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345 | IF( iom_use("SedSi" ) ) CALL iom_put( "SedSi", zsedsi (:,:) * zfact ) |
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346 | IF( iom_use("SedC" ) ) CALL iom_put( "SedC", zsedc (:,:) * zfact ) |
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347 | IF( iom_use("Sdenit" ) ) CALL iom_put( "Sdenit", sdenit (:,:) * zfact * rno3 ) |
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348 | ENDIF |
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349 | ENDIF |
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350 | ! |
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351 | IF(ln_ctl) THEN ! print mean trends (USEd for debugging) |
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352 | WRITE(charout, fmt="('sed ')") |
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353 | CALL prt_ctl_trc_info(charout) |
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354 | CALL prt_ctl_trc(tab4d=tr(:,:,:,:,Krhs), mask=tmask, clinfo=ctrcnm) |
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355 | ENDIF |
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356 | ! |
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357 | IF( ln_p5z ) DEALLOCATE( ztrpo4, ztrdop ) |
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358 | ! |
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359 | IF( ln_timing ) CALL timing_stop('p4z_sed') |
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360 | ! |
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361 | END SUBROUTINE p4z_sed |
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362 | |
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363 | SUBROUTINE p4z_sed_init |
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364 | !!---------------------------------------------------------------------- |
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365 | !! *** routine p4z_sed_init *** |
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366 | !! |
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367 | !! ** purpose : initialization of some parameters |
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368 | !! |
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369 | !!---------------------------------------------------------------------- |
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370 | !!---------------------------------------------------------------------- |
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371 | INTEGER :: ji, jj, jk, jm |
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372 | INTEGER :: ios ! Local integer output status for namelist read |
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373 | ! |
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374 | !! |
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375 | NAMELIST/nampissed/ nitrfix, diazolight, concfediaz |
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376 | !!---------------------------------------------------------------------- |
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377 | ! |
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378 | IF(lwp) THEN |
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379 | WRITE(numout,*) |
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380 | WRITE(numout,*) 'p4z_sed_init : initialization of sediment mobilisation ' |
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381 | WRITE(numout,*) '~~~~~~~~~~~~ ' |
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382 | ENDIF |
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383 | ! !* set file information |
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384 | READ ( numnatp_ref, nampissed, IOSTAT = ios, ERR = 901) |
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385 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampissed in reference namelist' ) |
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386 | READ ( numnatp_cfg, nampissed, IOSTAT = ios, ERR = 902 ) |
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387 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampissed in configuration namelist' ) |
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388 | IF(lwm) WRITE ( numonp, nampissed ) |
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389 | |
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390 | IF(lwp) THEN |
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391 | WRITE(numout,*) ' Namelist : nampissed ' |
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392 | WRITE(numout,*) ' nitrogen fixation rate nitrfix = ', nitrfix |
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393 | WRITE(numout,*) ' nitrogen fixation sensitivty to light diazolight = ', diazolight |
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394 | WRITE(numout,*) ' Fe half-saturation cste for diazotrophs concfediaz = ', concfediaz |
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395 | ENDIF |
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396 | ! |
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397 | r1_rday = 1. / rday |
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398 | ! |
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399 | sedsilfrac = 0.03 ! percentage of silica loss in the sediments |
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400 | sedcalfrac = 0.6 ! percentage of calcite loss in the sediments |
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401 | ! |
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402 | lk_sed = ln_sediment .AND. ln_sed_2way |
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403 | ! |
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404 | END SUBROUTINE p4z_sed_init |
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405 | |
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406 | INTEGER FUNCTION p4z_sed_alloc() |
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407 | !!---------------------------------------------------------------------- |
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408 | !! *** ROUTINE p4z_sed_alloc *** |
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409 | !!---------------------------------------------------------------------- |
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410 | ALLOCATE( nitrpot(jpi,jpj,jpk), sdenit(jpi,jpj), STAT=p4z_sed_alloc ) |
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411 | ! |
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412 | IF( p4z_sed_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p4z_sed_alloc: failed to allocate arrays' ) |
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413 | ! |
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414 | END FUNCTION p4z_sed_alloc |
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415 | |
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416 | !!====================================================================== |
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417 | END MODULE p4zsed |
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