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 | #if defined key_pisces |
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12 | !!---------------------------------------------------------------------- |
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13 | !! 'key_pisces' PISCES bio-model |
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14 | !!---------------------------------------------------------------------- |
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15 | !! p4z_sed : Compute loss of organic matter in the sediments |
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16 | !!---------------------------------------------------------------------- |
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17 | USE oce_trc ! shared variables between ocean and passive tracers |
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18 | USE trc ! passive tracers common variables |
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19 | USE sms_pisces ! PISCES Source Minus Sink variables |
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20 | USE p4zsink ! vertical flux of particulate matter due to sinking |
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21 | USE p4zopt ! optical model |
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22 | USE p4zlim ! Co-limitations of differents nutrients |
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23 | USE p4zrem ! Remineralisation of organic matter |
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24 | USE p4zsbc ! External source of nutrients |
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25 | USE p4zint ! interpolation and computation of various fields |
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26 | USE iom ! I/O manager |
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27 | USE prtctl_trc ! print control for debugging |
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28 | |
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29 | IMPLICIT NONE |
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30 | PRIVATE |
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31 | |
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32 | PUBLIC p4z_sed |
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33 | |
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34 | !! * Module variables |
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35 | REAL(wp) :: ryyss !: number of seconds per year |
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36 | REAL(wp) :: r1_ryyss !: inverse of ryyss |
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37 | REAL(wp) :: rmtss !: number of seconds per month |
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38 | REAL(wp) :: r1_rday !: inverse of rday |
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39 | |
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40 | |
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41 | !!* Substitution |
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42 | # include "top_substitute.h90" |
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43 | !!---------------------------------------------------------------------- |
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44 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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45 | !! $Header:$ |
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46 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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47 | !!---------------------------------------------------------------------- |
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48 | CONTAINS |
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49 | |
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50 | SUBROUTINE p4z_sed( kt, jnt ) |
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51 | !!--------------------------------------------------------------------- |
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52 | !! *** ROUTINE p4z_sed *** |
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53 | !! |
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54 | !! ** Purpose : Compute loss of organic matter in the sediments. This |
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55 | !! is by no way a sediment model. The loss is simply |
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56 | !! computed to balance the inout from rivers and dust |
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57 | !! |
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58 | !! ** Method : - ??? |
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59 | !!--------------------------------------------------------------------- |
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60 | ! |
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61 | INTEGER, INTENT(in) :: kt, jnt ! ocean time step |
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62 | INTEGER :: ji, jj, jk, ikt |
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63 | #if ! defined key_sed |
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64 | REAL(wp) :: zsumsedsi, zsumsedpo4, zsumsedcal |
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65 | REAL(wp) :: zrivalk, zrivsil, zrivno3 |
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66 | #endif |
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67 | REAL(wp) :: zwflux, zfminus, zfplus |
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68 | REAL(wp) :: zlim, zfact, zfactcal |
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69 | REAL(wp) :: zo2, zno3, zflx, zpdenit, z1pdenit |
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70 | REAL(wp) :: zsiloss, zcaloss, zwsbio3, zwsbio4, zwscal, zdep, zwstpoc |
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71 | REAL(wp) :: ztrfer, ztrpo4, zwdust |
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72 | CHARACTER (len=25) :: charout |
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73 | REAL(wp), POINTER, DIMENSION(:,: ) :: zpdep, zsidep, zwork1, zwork2, zwork3, zwork4 |
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74 | REAL(wp), POINTER, DIMENSION(:,: ) :: zdenit2d, zironice |
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75 | REAL(wp), POINTER, DIMENSION(:,:,:) :: znitrpot, zirondep |
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76 | !!--------------------------------------------------------------------- |
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77 | ! |
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78 | IF( nn_timing == 1 ) CALL timing_start('p4z_sed') |
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79 | ! |
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80 | IF( kt == nit000 .AND. jnt == 1 ) THEN |
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81 | ryyss = nyear_len(1) * rday ! number of seconds per year and per month |
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82 | rmtss = ryyss / raamo |
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83 | r1_rday = 1. / rday |
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84 | r1_ryyss = 1. / ryyss |
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85 | ENDIF |
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86 | ! |
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87 | ! Allocate temporary workspace |
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88 | CALL wrk_alloc( jpi, jpj, zdenit2d, zwork1, zwork2, zwork3, zwork4 ) |
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89 | CALL wrk_alloc( jpi, jpj, jpk, znitrpot ) |
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90 | zdenit2d(:,:) = 0.e0 |
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91 | |
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92 | ! Iron input/uptake due to sea ice : Crude parameterization based on Lancelot et al. |
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93 | ! ---------------------------------------------------- |
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94 | IF( ln_ironice ) THEN |
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95 | ! |
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96 | CALL wrk_alloc( jpi, jpj, zironice ) |
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97 | ! |
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98 | DO jj = 1, jpj |
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99 | DO ji = 1, jpi |
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100 | zdep = rfact2 / fse3t(ji,jj,1) |
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101 | zwflux = ( emps(ji,jj) - emp(ji,jj) ) & |
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102 | & * tsn(ji,jj,1,jp_sal) / ( tsn(ji,jj,1,jp_sal) - 6.0 ) / 1000. |
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103 | zfminus = MIN( 0., -zwflux ) * trn(ji,jj,1,jpfer) * zdep |
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104 | zfplus = MAX( 0., -zwflux ) * 10E-9 * zdep |
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105 | zironice(ji,jj) = zfplus + zfminus |
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106 | END DO |
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107 | END DO |
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108 | ! |
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109 | trn(:,:,1,jpfer) = trn(:,:,1,jpfer) + zironice(:,:) |
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110 | ! |
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111 | IF( ln_diatrc .AND. lk_iomput .AND. jnt == nrdttrc ) & |
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112 | & CALL iom_put( "Ironice", zironice(:,:) * 1.e+3 * rfact2r * fse3t(:,:,1) * tmask(:,:,1) ) ! iron flux from ice |
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113 | CALL wrk_dealloc( jpi, jpj, zironice ) |
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114 | ! |
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115 | ENDIF |
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116 | |
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117 | ! Add the external input of nutrients from dust deposition |
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118 | ! ---------------------------------------------------------- |
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119 | IF( ln_dust ) THEN |
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120 | ! |
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121 | CALL wrk_alloc( jpi, jpj, zpdep, zsidep ) |
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122 | CALL wrk_alloc( jpi, jpj, jpk, zirondep ) |
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123 | ! ! Iron and Si deposition at the surface |
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124 | IF( ln_solub ) THEN |
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125 | zirondep(:,:,1) = solub(:,:) * dust(:,:) * rfact2 / fse3t(:,:,1) / ( 55.85 * rmtss ) + 3.e-10 * r1_ryyss |
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126 | ELSE |
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127 | zirondep(:,:,1) = dustsolub * dust(:,:) * rfact2 / fse3t(:,:,1) / ( 55.85 * rmtss ) + 3.e-10 * r1_ryyss |
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128 | ENDIF |
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129 | zsidep(:,:) = 8.8 * 0.075 * dust(:,:) * rfact2 / fse3t(:,:,1) / ( 28.1 * rmtss ) |
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130 | zpdep (:,:) = 0.1 * 0.021 * dust(:,:) * rfact2 / fse3t(:,:,1) / ( 31. * rmtss ) |
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131 | ! ! Iron solubilization of particles in the water column |
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132 | zwdust = 0.005 / ( wdust * 55.85 * 30.42 ) / ( 45. * rday ) |
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133 | DO jk = 2, jpkm1 |
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134 | zirondep(:,:,jk) = dust(:,:) * zwdust * rfact2 * EXP( -fsdept(:,:,jk) / 1000. ) |
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135 | END DO |
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136 | ! ! Iron solubilization of particles in the water column |
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137 | trn(:,:,1,jppo4) = trn(:,:,1,jppo4) + zpdep (:,:) |
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138 | trn(:,:,1,jpsil) = trn(:,:,1,jpsil) + zsidep (:,:) |
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139 | trn(:,:,:,jpfer) = trn(:,:,:,jpfer) + zirondep(:,:,:) |
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140 | ! |
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141 | IF( ln_diatrc ) THEN |
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142 | zfact = 1.e+3 * rfact2r |
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143 | IF( lk_iomput .AND. jnt == nrdttrc ) THEN |
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144 | CALL iom_put( "Irondep", zirondep(:,:,1) * zfact * fse3t(:,:,1) * tmask(:,:,1) ) ! surface downward dust depo of iron |
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145 | CALL iom_put( "pdust" , dust(:,:) / ( wdust * 30.42 * 0.035 ) * tmask(:,:,1) ) ! dust concentration at surface |
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146 | ELSE |
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147 | trc2d(:,:,jp_pcs0_2d + 11) = zirondep(:,:,1) * zfact * fse3t(:,:,1) * tmask(:,:,1) |
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148 | ENDIF |
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149 | ENDIF |
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150 | CALL wrk_dealloc( jpi, jpj, zpdep, zsidep ) |
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151 | CALL wrk_dealloc( jpi, jpj, jpk, zirondep ) |
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152 | ! |
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153 | ENDIF |
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154 | |
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155 | ! Add the external input of nutrients from river |
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156 | ! ---------------------------------------------------------- |
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157 | IF( ln_river ) THEN |
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158 | trn(:,:,1,jppo4) = trn(:,:,1,jppo4) + rivdip(:,:) * rfact2 |
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159 | trn(:,:,1,jpno3) = trn(:,:,1,jpno3) + rivdin(:,:) * rfact2 |
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160 | trn(:,:,1,jpfer) = trn(:,:,1,jpfer) + rivdic(:,:) * 5.e-5 * rfact2 |
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161 | trn(:,:,1,jpsil) = trn(:,:,1,jpsil) + rivdsi(:,:) * rfact2 |
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162 | trn(:,:,1,jpdic) = trn(:,:,1,jpdic) + rivdic(:,:) * rfact2 |
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163 | trn(:,:,1,jptal) = trn(:,:,1,jptal) + ( rivalk(:,:) - rno3 * rivdin(:,:) ) * rfact2 |
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164 | ENDIF |
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165 | |
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166 | ! Add the external input of nutrients from nitrogen deposition |
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167 | ! ---------------------------------------------------------- |
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168 | IF( ln_ndepo ) THEN |
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169 | trn(:,:,1,jpno3) = trn(:,:,1,jpno3) + nitdep(:,:) * rfact2 |
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170 | trn(:,:,1,jptal) = trn(:,:,1,jptal) - rno3 * nitdep(:,:) * rfact2 |
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171 | ENDIF |
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172 | |
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173 | ! Add the external input of iron from sediment mobilization |
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174 | ! ------------------------------------------------------ |
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175 | IF( ln_ironsed ) THEN |
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176 | trn(:,:,:,jpfer) = trn(:,:,:,jpfer) + ironsed(:,:,:) * rfact2 |
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177 | ! |
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178 | IF( ln_diatrc .AND. lk_iomput .AND. jnt == nrdttrc ) & |
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179 | & CALL iom_put( "Ironsed", ironsed(:,:,:) * 1.e+3 * tmask(:,:,:) ) ! iron inputs from sediments |
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180 | ENDIF |
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181 | |
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182 | ! Add the external input of iron from hydrothermal vents |
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183 | ! ------------------------------------------------------ |
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184 | IF( ln_hydrofe ) THEN |
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185 | trn(:,:,:,jpfer) = trn(:,:,:,jpfer) + hydrofe(:,:,:) * rfact2 |
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186 | ! |
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187 | IF( ln_diatrc .AND. lk_iomput .AND. jnt == nrdttrc ) & |
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188 | & CALL iom_put( "HYDR", hydrofe(:,:,:) * 1.e+3 * tmask(:,:,:) ) ! hydrothermal iron input |
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189 | ENDIF |
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190 | |
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191 | #if ! defined key_sed |
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192 | ! Computation of the sediment denitrification proportion: The metamodel from midlleburg (2006) is being used |
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193 | ! ------------------------------------------------------- |
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194 | DO jj = 1, jpj |
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195 | DO ji = 1, jpi |
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196 | IF( tmask(ji,jj,1) == 1 ) THEN |
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197 | ikt = mbkt(ji,jj) |
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198 | # if defined key_kriest |
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199 | zflx = trn(ji,jj,ikt,jppoc) * wsbio3(ji,jj,ikt) * 1E3 * 1E6 / 1E4 |
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200 | # else |
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201 | zflx = ( trn(ji,jj,ikt,jpgoc) * wsbio4(ji,jj,ikt) & |
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202 | & + trn(ji,jj,ikt,jppoc) * wsbio3(ji,jj,ikt) ) * 1E3 * 1E6 / 1E4 |
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203 | #endif |
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204 | zflx = LOG10( MAX( 1E-3, zflx ) ) |
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205 | zo2 = LOG10( MAX( 10. , trn(ji,jj,ikt,jpoxy) * 1E6 ) ) |
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206 | zno3 = LOG10( MAX( 1. , trn(ji,jj,ikt,jpno3) * 1E6 * rno3 ) ) |
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207 | zdep = LOG10( fsdepw(ji,jj,ikt+1) ) |
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208 | zdenit2d(ji,jj) = -2.2567 - 1.185 * zflx - 0.221 * zflx**2 - 0.3995 * zno3 * zo2 + 1.25 * zno3 & |
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209 | & + 0.4721 * zo2 - 0.0996 * zdep + 0.4256 * zflx * zo2 |
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210 | zdenit2d(ji,jj) = 10.0**( zdenit2d(ji,jj) ) |
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211 | ENDIF |
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212 | END DO |
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213 | END DO |
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214 | ! Loss of biogenic silicon, Caco3 organic carbon in the sediments. |
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215 | ! First, the total loss is computed. |
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216 | ! The factor for calcite comes from the alkalinity effect |
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217 | ! ------------------------------------------------------------- |
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218 | DO jj = 1, jpj |
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219 | DO ji = 1, jpi |
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220 | ikt = mbkt(ji,jj) |
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221 | # if defined key_kriest |
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222 | zwork1(ji,jj) = trn(ji,jj,ikt,jpgsi) * wscal (ji,jj,ikt) |
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223 | zwork2(ji,jj) = trn(ji,jj,ikt,jppoc) * wsbio3(ji,jj,ikt) |
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224 | # else |
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225 | zwork1(ji,jj) = trn(ji,jj,ikt,jpgsi) * wsbio4(ji,jj,ikt) |
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226 | zwork2(ji,jj) = trn(ji,jj,ikt,jpgoc) * wsbio4(ji,jj,ikt) + trn(ji,jj,ikt,jppoc) * wsbio3(ji,jj,ikt) |
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227 | # endif |
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228 | ! For calcite, burial efficiency is made a function of saturation |
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229 | zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) |
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230 | zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) |
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231 | zwork3(ji,jj) = trn(ji,jj,ikt,jpcal) * wscal (ji,jj,ikt) * 2.e0 * zfactcal |
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232 | END DO |
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233 | END DO |
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234 | zsumsedsi = glob_sum( zwork1(:,:) * e1e2t(:,:) ) * r1_rday |
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235 | zsumsedpo4 = glob_sum( zwork2(:,:) * e1e2t(:,:) ) * r1_rday |
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236 | zsumsedcal = glob_sum( zwork3(:,:) * e1e2t(:,:) ) * r1_rday |
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237 | #endif |
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238 | |
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239 | ! THEN this loss is scaled at each bottom grid cell for |
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240 | ! equilibrating the total budget of silica in the ocean. |
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241 | ! Thus, the amount of silica lost in the sediments equal |
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242 | ! the supply at the surface (dust+rivers) |
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243 | ! ------------------------------------------------------ |
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244 | #if ! defined key_sed |
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245 | zrivsil = 1._wp - ( sumdepsi + rivdsiinput * r1_ryyss ) / zsumsedsi |
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246 | zrivno3 = 1._wp - ( rivdininput * r1_ryyss ) / zsumsedpo4 |
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247 | #endif |
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248 | |
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249 | DO jj = 1, jpj |
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250 | DO ji = 1, jpi |
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251 | ikt = mbkt(ji,jj) |
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252 | zdep = xstep / fse3t(ji,jj,ikt) |
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253 | zwsbio4 = wsbio4(ji,jj,ikt) * zdep |
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254 | zwscal = wscal (ji,jj,ikt) * zdep |
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255 | # if defined key_kriest |
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256 | zsiloss = trn(ji,jj,ikt,jpgsi) * zwsbio4 |
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257 | # else |
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258 | zsiloss = trn(ji,jj,ikt,jpgsi) * zwscal |
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259 | # endif |
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260 | zcaloss = trn(ji,jj,ikt,jpcal) * zwscal |
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261 | ! |
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262 | trn(ji,jj,ikt,jpgsi) = trn(ji,jj,ikt,jpgsi) - zsiloss |
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263 | trn(ji,jj,ikt,jpcal) = trn(ji,jj,ikt,jpcal) - zcaloss |
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264 | #if ! defined key_sed |
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265 | trn(ji,jj,ikt,jpsil) = trn(ji,jj,ikt,jpsil) + zsiloss * zrivsil |
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266 | zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) |
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267 | zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) |
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268 | zrivalk = 1._wp - ( rivalkinput * r1_ryyss ) * zfactcal / zsumsedcal |
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269 | trn(ji,jj,ikt,jptal) = trn(ji,jj,ikt,jptal) + zcaloss * zrivalk * 2.0 |
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270 | trn(ji,jj,ikt,jpdic) = trn(ji,jj,ikt,jpdic) + zcaloss * zrivalk |
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271 | #endif |
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272 | END DO |
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273 | END DO |
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274 | |
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275 | DO jj = 1, jpj |
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276 | DO ji = 1, jpi |
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277 | ikt = mbkt(ji,jj) |
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278 | zdep = xstep / fse3t(ji,jj,ikt) |
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279 | zwsbio4 = wsbio4(ji,jj,ikt) * zdep |
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280 | zwsbio3 = wsbio3(ji,jj,ikt) * zdep |
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281 | # if ! defined key_kriest |
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282 | trn(ji,jj,ikt,jpgoc) = trn(ji,jj,ikt,jpgoc) - trn(ji,jj,ikt,jpgoc) * zwsbio4 |
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283 | trn(ji,jj,ikt,jppoc) = trn(ji,jj,ikt,jppoc) - trn(ji,jj,ikt,jppoc) * zwsbio3 |
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284 | trn(ji,jj,ikt,jpbfe) = trn(ji,jj,ikt,jpbfe) - trn(ji,jj,ikt,jpbfe) * zwsbio4 |
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285 | trn(ji,jj,ikt,jpsfe) = trn(ji,jj,ikt,jpsfe) - trn(ji,jj,ikt,jpsfe) * zwsbio3 |
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286 | zwstpoc = trn(ji,jj,ikt,jpgoc) * zwsbio4 + trn(ji,jj,ikt,jppoc) * zwsbio3 |
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287 | # else |
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288 | trn(ji,jj,ikt,jpnum) = trn(ji,jj,ikt,jpnum) - trn(ji,jj,ikt,jpnum) * zwsbio4 |
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289 | trn(ji,jj,ikt,jppoc) = trn(ji,jj,ikt,jppoc) - trn(ji,jj,ikt,jppoc) * zwsbio3 |
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290 | trn(ji,jj,ikt,jpsfe) = trn(ji,jj,ikt,jpsfe) - trn(ji,jj,ikt,jpsfe) * zwsbio3 |
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291 | zwstpoc = trn(ji,jj,ikt,jppoc) * zwsbio3 |
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292 | # endif |
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293 | |
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294 | #if ! defined key_sed |
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295 | zpdenit = MIN( ( trn(ji,jj,ikt,jpno3) - rtrn ) / rdenit, zdenit2d(ji,jj) * zwstpoc * zrivno3 ) |
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296 | z1pdenit = zwstpoc * zrivno3 - zpdenit |
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297 | trn(ji,jj,ikt,jpdoc) = trn(ji,jj,ikt,jpdoc) + z1pdenit |
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298 | trn(ji,jj,ikt,jppo4) = trn(ji,jj,ikt,jppo4) + zpdenit |
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299 | trn(ji,jj,ikt,jpnh4) = trn(ji,jj,ikt,jpnh4) + zpdenit |
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300 | trn(ji,jj,ikt,jpno3) = trn(ji,jj,ikt,jpno3) - rdenit * zpdenit |
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301 | trn(ji,jj,ikt,jptal) = trn(ji,jj,ikt,jptal) + rno3 * ( 1. + rdenit ) * zpdenit |
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302 | trn(ji,jj,ikt,jpdic) = trn(ji,jj,ikt,jpdic) + zpdenit |
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303 | zwork4(ji,jj) = rdenit * zpdenit * fse3t(ji,jj,ikt) |
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304 | #endif |
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305 | END DO |
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306 | END DO |
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307 | |
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308 | ! Nitrogen fixation process |
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309 | !----------------------------------- |
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310 | DO jk = 1, jpkm1 |
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311 | DO jj = 1, jpj |
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312 | DO ji = 1, jpi |
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313 | ! ! Potential nitrogen fixation dependant on temperature and iron |
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314 | zlim = ( 1.- xnanono3(ji,jj,jk) - xnanonh4(ji,jj,jk) ) |
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315 | IF( zlim <= 0.2 ) zlim = 0.01 |
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316 | #if defined key_degrad |
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317 | zfact = zlim * rfact2 * facvol(ji,jj,jk) |
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318 | #else |
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319 | zfact = zlim * rfact2 |
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320 | #endif |
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321 | ztrfer = biron(ji,jj,jk) / ( concfediaz + biron(ji,jj,jk) ) |
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322 | ztrpo4 = trn (ji,jj,jk,jppo4) / ( concnnh4 + trn (ji,jj,jk,jppo4) ) |
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323 | znitrpot(ji,jj,jk) = MAX( 0.e0, ( 0.6 * tgfunc(ji,jj,jk) - 2.15 ) * r1_rday ) & |
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324 | & * zfact * MIN( ztrfer, ztrpo4 ) * ( 1.- EXP( -etot(ji,jj,jk) / diazolight ) ) |
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325 | END DO |
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326 | END DO |
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327 | END DO |
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328 | |
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329 | ! Nitrogen change due to nitrogen fixation |
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330 | ! ---------------------------------------- |
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331 | DO jk = 1, jpkm1 |
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332 | DO jj = 1, jpj |
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333 | DO ji = 1, jpi |
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334 | zfact = znitrpot(ji,jj,jk) * nitrfix |
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335 | trn(ji,jj,jk,jpnh4) = trn(ji,jj,jk,jpnh4) + zfact |
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336 | trn(ji,jj,jk,jptal) = trn(ji,jj,jk,jptal) + rno3 * zfact |
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337 | trn(ji,jj,jk,jpoxy) = trn(ji,jj,jk,jpoxy) + o2nit * zfact |
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338 | trn(ji,jj,jk,jppo4) = trn(ji,jj,jk,jppo4) + 30. / 46. * zfact |
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339 | END DO |
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340 | END DO |
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341 | END DO |
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342 | ! |
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343 | IF( ln_diatrc ) THEN |
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344 | zfact = 1.e+3 * rfact2r |
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345 | IF( lk_iomput .AND. jnt == nrdttrc ) THEN |
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346 | CALL iom_put( "Nfix" , znitrpot(:,:,:) * nitrfix * rno3 * zfact * tmask(:,:,:) ) ! nitrogen fixation |
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347 | CALL iom_put( "Sdenit", zwork4(:,:) * rno3 * zfact * tmask(:,:,1) ) ! Nitrate reduction in the sediments |
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348 | ELSE |
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349 | trc2d(:,:,jp_pcs0_2d + 12) = znitrpot(:,:,1) * nitrfix * zfact * fse3t(:,:,1) * tmask(:,:,1) |
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350 | ENDIF |
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351 | ENDIF |
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352 | ! |
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353 | IF(ln_ctl) THEN ! print mean trends (USEd for debugging) |
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354 | WRITE(charout, fmt="('sed ')") |
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355 | CALL prt_ctl_trc_info(charout) |
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356 | CALL prt_ctl_trc(tab4d=trn, mask=tmask, clinfo=ctrcnm) |
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357 | ENDIF |
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358 | ! |
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359 | CALL wrk_dealloc( jpi, jpj, zdenit2d, zwork1, zwork2, zwork3, zwork4 ) |
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360 | CALL wrk_dealloc( jpi, jpj, jpk, znitrpot ) |
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361 | ! |
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362 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sed') |
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363 | ! |
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364 | END SUBROUTINE p4z_sed |
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365 | |
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366 | #else |
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367 | !!====================================================================== |
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368 | !! Dummy module : No PISCES bio-model |
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369 | !!====================================================================== |
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370 | CONTAINS |
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371 | SUBROUTINE p4z_sed ! Empty routine |
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372 | END SUBROUTINE p4z_sed |
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373 | #endif |
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374 | |
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375 | !!====================================================================== |
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376 | END MODULE p4zsed |
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