[935] | 1 | MODULE p4zrem |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zrem *** |
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| 4 | !! TOP : PISCES Compute remineralization/scavenging of organic compounds |
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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 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_pisces |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_top' and TOP models |
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| 12 | !! 'key_pisces' PISCES bio-model |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! p4z_rem : Compute remineralization/scavenging of organic compounds |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE trc |
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| 17 | USE oce_trc ! |
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[1073] | 18 | USE sms_pisces ! |
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[935] | 19 | USE prtctl_trc |
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| 20 | USE p4zint |
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| 21 | USE p4zopt |
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| 22 | USE p4zmeso |
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| 23 | USE p4zprod |
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| 24 | USE p4zche |
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| 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | PRIVATE |
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| 28 | |
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[2104] | 29 | PUBLIC p4z_rem ! called in p4zbio.F90 |
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| 30 | PUBLIC p4z_rem_init ! called in trcsms_pisces.F90 |
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[935] | 31 | |
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| 32 | !! * Shared module variables |
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[1073] | 33 | REAL(wp), PUBLIC :: & |
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| 34 | xremik = 0.3_wp , & !: |
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| 35 | xremip = 0.025_wp , & !: |
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| 36 | nitrif = 0.05_wp , & !: |
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| 37 | xsirem = 0.015_wp , & !: |
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| 38 | xlam1 = 0.005_wp , & !: |
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| 39 | oxymin = 1.e-6_wp !: |
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| 40 | |
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[935] | 41 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: |
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| 42 | & denitr !: denitrification array |
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| 43 | |
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| 44 | |
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| 45 | !!* Substitution |
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[1953] | 46 | # include "top_substitute.h90" |
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[935] | 47 | !!---------------------------------------------------------------------- |
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| 48 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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[1152] | 49 | !! $Id$ |
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[935] | 50 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 51 | !!---------------------------------------------------------------------- |
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| 52 | |
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| 53 | CONTAINS |
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| 54 | |
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[2104] | 55 | SUBROUTINE p4z_rem( kt ) |
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[935] | 56 | !!--------------------------------------------------------------------- |
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| 57 | !! *** ROUTINE p4z_rem *** |
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| 58 | !! |
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| 59 | !! ** Purpose : Compute remineralization/scavenging of organic compounds |
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| 60 | !! |
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| 61 | !! ** Method : - ??? |
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| 62 | !!--------------------------------------------------------------------- |
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[2104] | 63 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[935] | 64 | INTEGER :: ji, jj, jk |
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| 65 | REAL(wp) :: zremip, zremik , zlam1b |
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| 66 | REAL(wp) :: zkeq , zfeequi, zsiremin |
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[2104] | 67 | REAL(wp) :: zsatur, zsatur1, zsatur2, zsatur22, znusil |
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| 68 | REAL(wp) :: ztem1, ztem2 |
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[1255] | 69 | REAL(wp) :: zbactfer, zorem, zorem2, zofer |
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| 70 | REAL(wp) :: zosil, zdenom1, zscave, zaggdfe |
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| 71 | #if ! defined key_kriest |
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| 72 | REAL(wp) :: zofer2, zdenom, zdenom2 |
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| 73 | #endif |
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[2104] | 74 | REAL(wp) :: zlamfac, zonitr, zstep |
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[935] | 75 | REAL(wp), DIMENSION(jpi,jpj) :: ztempbac |
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| 76 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zdepbac, zfesatur, zolimi |
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| 77 | CHARACTER (len=25) :: charout |
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| 78 | |
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| 79 | !!--------------------------------------------------------------------- |
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| 80 | |
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| 81 | |
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[1744] | 82 | ! Initialisation of temprary arrys |
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| 83 | zdepbac (:,:,:) = 0.0 |
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| 84 | zfesatur(:,:,:) = 0.0 |
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| 85 | zolimi (:,:,:) = 0.0 |
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| 86 | ztempbac(:,:) = 0.0 |
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[935] | 87 | |
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[2104] | 88 | ! Computation of the mean phytoplankton concentration as |
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| 89 | ! a crude estimate of the bacterial biomass |
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| 90 | ! -------------------------------------------------- |
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[935] | 91 | |
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| 92 | DO jk = 1, jpkm1 |
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| 93 | DO jj = 1, jpj |
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| 94 | DO ji = 1, jpi |
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| 95 | IF( fsdept(ji,jj,jk) < 120. ) THEN |
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| 96 | zdepbac(ji,jj,jk) = MIN( 0.7 * ( trn(ji,jj,jk,jpzoo) + 2.* trn(ji,jj,jk,jpmes) ), 4.e-6 ) |
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| 97 | ztempbac(ji,jj) = zdepbac(ji,jj,jk) |
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| 98 | ELSE |
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| 99 | zdepbac(ji,jj,jk) = MIN( 1., 120./ fsdept(ji,jj,jk) ) * ztempbac(ji,jj) |
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| 100 | ENDIF |
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| 101 | END DO |
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| 102 | END DO |
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| 103 | END DO |
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| 104 | |
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| 105 | DO jk = 1, jpkm1 |
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| 106 | DO jj = 1, jpj |
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| 107 | DO ji = 1, jpi |
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[2104] | 108 | ! denitrification factor computed from O2 levels |
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[935] | 109 | nitrfac(ji,jj,jk) = MAX( 0.e0, 0.4 * ( 6.e-6 - trn(ji,jj,jk,jpoxy) ) & |
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| 110 | & / ( oxymin + trn(ji,jj,jk,jpoxy) ) ) |
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[2104] | 111 | nitrfac(ji,jj,jk) = MIN( 1., nitrfac(ji,jj,jk) ) |
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[935] | 112 | END DO |
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| 113 | END DO |
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| 114 | END DO |
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| 115 | |
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| 116 | DO jk = 1, jpkm1 |
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| 117 | DO jj = 1, jpj |
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| 118 | DO ji = 1, jpi |
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[2038] | 119 | # if defined key_degrad |
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[2104] | 120 | zstep = xstep * facvol(ji,jj,jk) |
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| 121 | # else |
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| 122 | zstep = xstep |
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[935] | 123 | # endif |
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[2104] | 124 | ! DOC ammonification. Depends on depth, phytoplankton biomass |
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| 125 | ! and a limitation term which is supposed to be a parameterization |
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| 126 | ! of the bacterial activity. |
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| 127 | zremik = xremik * zstep / 1.e-6 * xlimbac(ji,jj,jk) * zdepbac(ji,jj,jk) |
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[1744] | 128 | zremik = MAX( zremik, 5.5e-4 * xstep ) |
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[935] | 129 | |
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[2104] | 130 | ! Ammonification in oxic waters with oxygen consumption |
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| 131 | ! ----------------------------------------------------- |
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[935] | 132 | zolimi(ji,jj,jk) = MIN( ( trn(ji,jj,jk,jpoxy) - rtrn ) / o2ut, & |
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| 133 | & zremik * ( 1.- nitrfac(ji,jj,jk) ) * trn(ji,jj,jk,jpdoc) ) |
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| 134 | |
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[2104] | 135 | ! Ammonification in suboxic waters with denitrification |
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| 136 | ! ------------------------------------------------------- |
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[935] | 137 | denitr(ji,jj,jk) = MIN( ( trn(ji,jj,jk,jpno3) - rtrn ) / rdenit, & |
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| 138 | & zremik * nitrfac(ji,jj,jk) * trn(ji,jj,jk,jpdoc) ) |
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| 139 | END DO |
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| 140 | END DO |
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| 141 | END DO |
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| 142 | |
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[1744] | 143 | DO jk = 1, jpkm1 |
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| 144 | DO jj = 1, jpj |
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| 145 | DO ji = 1, jpi |
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| 146 | zolimi (ji,jj,jk) = MAX( 0.e0, zolimi (ji,jj,jk) ) |
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| 147 | denitr (ji,jj,jk) = MAX( 0.e0, denitr (ji,jj,jk) ) |
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| 148 | END DO |
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| 149 | END DO |
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| 150 | END DO |
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[935] | 151 | |
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| 152 | DO jk = 1, jpkm1 |
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| 153 | DO jj = 1, jpj |
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| 154 | DO ji = 1, jpi |
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[2038] | 155 | # if defined key_degrad |
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[2104] | 156 | zstep = xstep * facvol(ji,jj,jk) |
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| 157 | # else |
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| 158 | zstep = xstep |
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[935] | 159 | # endif |
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[2104] | 160 | ! NH4 nitrification to NO3. Ceased for oxygen concentrations |
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| 161 | ! below 2 umol/L. Inhibited at strong light |
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| 162 | ! ---------------------------------------------------------- |
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| 163 | zonitr = nitrif * zstep * trn(ji,jj,jk,jpnh4) / ( 1.+ emoy(ji,jj,jk) ) * ( 1.- nitrfac(ji,jj,jk) ) |
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[935] | 164 | |
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[2104] | 165 | ! Update of the tracers trends |
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| 166 | ! ---------------------------- |
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[935] | 167 | |
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[2104] | 168 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) - zonitr |
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| 169 | tra(ji,jj,jk,jpno3) = tra(ji,jj,jk,jpno3) + zonitr |
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| 170 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) - o2nit * zonitr |
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| 171 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) - rno3 * zonitr |
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[935] | 172 | |
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| 173 | END DO |
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| 174 | END DO |
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| 175 | END DO |
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| 176 | |
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| 177 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 178 | WRITE(charout, FMT="('rem1')") |
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| 179 | CALL prt_ctl_trc_info(charout) |
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| 180 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 181 | ENDIF |
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| 182 | |
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| 183 | DO jk = 1, jpkm1 |
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| 184 | DO jj = 1, jpj |
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| 185 | DO ji = 1, jpi |
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| 186 | |
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[2104] | 187 | ! Bacterial uptake of iron. No iron is available in DOC. So |
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| 188 | ! Bacteries are obliged to take up iron from the water. Some |
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| 189 | ! studies (especially at Papa) have shown this uptake to be significant |
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| 190 | ! ---------------------------------------------------------- |
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[935] | 191 | zbactfer = 15.e-6 * rfact2 * 4.* 0.4 * prmax(ji,jj,jk) & |
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[2104] | 192 | & * ( xlimphy(ji,jj,jk) * zdepbac(ji,jj,jk)) & |
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| 193 | & * ( xlimphy(ji,jj,jk) * zdepbac(ji,jj,jk)) & |
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[935] | 194 | & / ( xkgraz2 + zdepbac(ji,jj,jk) ) & |
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| 195 | & * ( 0.5 + SIGN( 0.5, trn(ji,jj,jk,jpfer) -2.e-11 ) ) |
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| 196 | |
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| 197 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) - zbactfer |
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| 198 | #if defined key_kriest |
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| 199 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + zbactfer |
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| 200 | #else |
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| 201 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + zbactfer |
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| 202 | #endif |
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| 203 | END DO |
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| 204 | END DO |
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| 205 | END DO |
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| 206 | |
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| 207 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 208 | WRITE(charout, FMT="('rem2')") |
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| 209 | CALL prt_ctl_trc_info(charout) |
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| 210 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 211 | ENDIF |
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| 212 | |
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| 213 | DO jk = 1, jpkm1 |
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| 214 | DO jj = 1, jpj |
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| 215 | DO ji = 1, jpi |
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[2038] | 216 | # if defined key_degrad |
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[2104] | 217 | zstep = xstep * facvol(ji,jj,jk) |
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| 218 | # else |
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| 219 | zstep = xstep |
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[935] | 220 | # endif |
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[2104] | 221 | ! POC disaggregation by turbulence and bacterial activity. |
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| 222 | ! ------------------------------------------------------------- |
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| 223 | zremip = xremip * zstep * tgfunc(ji,jj,jk) * ( 1.- 0.5 * nitrfac(ji,jj,jk) ) |
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[935] | 224 | |
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[2104] | 225 | ! POC disaggregation rate is reduced in anoxic zone as shown by |
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| 226 | ! sediment traps data. In oxic area, the exponent of the martin s |
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| 227 | ! law is around -0.87. In anoxic zone, it is around -0.35. This |
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| 228 | ! means a disaggregation constant about 0.5 the value in oxic zones |
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| 229 | ! ----------------------------------------------------------------- |
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[935] | 230 | zorem = zremip * trn(ji,jj,jk,jppoc) |
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| 231 | zofer = zremip * trn(ji,jj,jk,jpsfe) |
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| 232 | #if ! defined key_kriest |
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| 233 | zorem2 = zremip * trn(ji,jj,jk,jpgoc) |
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| 234 | zofer2 = zremip * trn(ji,jj,jk,jpbfe) |
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| 235 | #else |
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| 236 | zorem2 = zremip * trn(ji,jj,jk,jpnum) |
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| 237 | #endif |
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| 238 | |
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[2104] | 239 | ! Update the appropriate tracers trends |
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| 240 | ! ------------------------------------- |
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[935] | 241 | |
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| 242 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zorem |
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| 243 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + zofer |
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| 244 | #if defined key_kriest |
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| 245 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) - zorem |
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| 246 | tra(ji,jj,jk,jpnum) = tra(ji,jj,jk,jpnum) - zorem2 |
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| 247 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) - zofer |
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| 248 | #else |
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| 249 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) + zorem2 - zorem |
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| 250 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) - zorem2 |
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| 251 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + zofer2 - zofer |
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| 252 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) - zofer2 |
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| 253 | #endif |
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| 254 | |
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| 255 | END DO |
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| 256 | END DO |
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| 257 | END DO |
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| 258 | |
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| 259 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 260 | WRITE(charout, FMT="('rem3')") |
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| 261 | CALL prt_ctl_trc_info(charout) |
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| 262 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 263 | ENDIF |
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| 264 | |
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| 265 | DO jk = 1, jpkm1 |
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| 266 | DO jj = 1, jpj |
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| 267 | DO ji = 1, jpi |
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[2104] | 268 | # if defined key_degrad |
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| 269 | zstep = xstep * facvol(ji,jj,jk) |
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[935] | 270 | # else |
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[2104] | 271 | zstep = xstep |
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| 272 | # endif |
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| 273 | ! Remineralization rate of BSi depedant on T and saturation |
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| 274 | ! --------------------------------------------------------- |
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| 275 | zsatur = ( sio3eq(ji,jj,jk) - trn(ji,jj,jk,jpsil) ) / ( sio3eq(ji,jj,jk) + rtrn ) |
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| 276 | zsatur = MAX( rtrn, zsatur ) |
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| 277 | ztem1 = ( 1. + tsn(ji,jj,jk,jp_tem) / 15.) |
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| 278 | ztem2 = ( 1. + tsn(ji,jj,jk,jp_tem) / 400.) |
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| 279 | zsatur1 = zsatur * ztem1 |
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| 280 | zsatur2 = zsatur * ztem2 * ztem2 * ztem2 * ztem2 |
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| 281 | zsatur22 = zsatur2 * zsatur2 |
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| 282 | znusil = 0.225 * zsatur1 + 0.775 * zsatur22 * zsatur22 * zsatur22 * zsatur22 * zsatur2 |
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| 283 | zsiremin = xsirem * zstep * znusil |
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| 284 | zosil = zsiremin * trn(ji,jj,jk,jpdsi) |
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[935] | 285 | |
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| 286 | tra(ji,jj,jk,jpdsi) = tra(ji,jj,jk,jpdsi) - zosil |
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| 287 | tra(ji,jj,jk,jpsil) = tra(ji,jj,jk,jpsil) + zosil |
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| 288 | ! |
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| 289 | END DO |
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| 290 | END DO |
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| 291 | END DO |
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| 292 | |
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| 293 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 294 | WRITE(charout, FMT="('rem4')") |
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| 295 | CALL prt_ctl_trc_info(charout) |
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| 296 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 297 | ENDIF |
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| 298 | |
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| 299 | zfesatur(:,:,:) = 0.6e-9 |
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| 300 | !CDIR NOVERRCHK |
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| 301 | DO jk = 1, jpkm1 |
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| 302 | !CDIR NOVERRCHK |
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| 303 | DO jj = 1, jpj |
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| 304 | !CDIR NOVERRCHK |
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| 305 | DO ji = 1, jpi |
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[2104] | 306 | # if defined key_degrad |
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| 307 | zstep = xstep * facvol(ji,jj,jk) |
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| 308 | # else |
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| 309 | zstep = xstep |
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| 310 | # endif |
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| 311 | ! Compute de different ratios for scavenging of iron |
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| 312 | ! -------------------------------------------------- |
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[935] | 313 | |
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| 314 | #if defined key_kriest |
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[2104] | 315 | zdenom1 = trn(ji,jj,jk,jppoc) / & |
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[935] | 316 | & ( trn(ji,jj,jk,jppoc) + trn(ji,jj,jk,jpdsi) + trn(ji,jj,jk,jpcal) + rtrn ) |
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| 317 | #else |
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[2104] | 318 | zdenom = 1. / ( trn(ji,jj,jk,jppoc) + trn(ji,jj,jk,jpgoc) & |
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[935] | 319 | & + trn(ji,jj,jk,jpdsi) + trn(ji,jj,jk,jpcal) + rtrn ) |
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| 320 | |
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[2104] | 321 | zdenom1 = trn(ji,jj,jk,jppoc) * zdenom |
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| 322 | zdenom2 = trn(ji,jj,jk,jpgoc) * zdenom |
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[935] | 323 | #endif |
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[2104] | 324 | ! scavenging rate of iron. this scavenging rate depends on the load in particles |
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| 325 | ! on which they are adsorbed. The parameterization has been taken from studies on Th |
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| 326 | ! ------------------------------------------------------------ |
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[935] | 327 | zkeq = fekeq(ji,jj,jk) |
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| 328 | zfeequi = ( -( 1. + zfesatur(ji,jj,jk) * zkeq - zkeq * trn(ji,jj,jk,jpfer) ) & |
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| 329 | & + SQRT( ( 1. + zfesatur(ji,jj,jk) * zkeq - zkeq * trn(ji,jj,jk,jpfer) )**2 & |
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| 330 | & + 4. * trn(ji,jj,jk,jpfer) * zkeq) ) / ( 2. * zkeq ) |
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| 331 | |
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| 332 | #if defined key_kriest |
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| 333 | zlam1b = 3.e-5 + xlam1 * ( trn(ji,jj,jk,jppoc) & |
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| 334 | & + trn(ji,jj,jk,jpcal) + trn(ji,jj,jk,jpdsi) ) * 1.e6 |
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| 335 | #else |
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| 336 | zlam1b = 3.e-5 + xlam1 * ( trn(ji,jj,jk,jppoc) + trn(ji,jj,jk,jpgoc) & |
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| 337 | & + trn(ji,jj,jk,jpcal) + trn(ji,jj,jk,jpdsi) ) * 1.e6 |
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| 338 | #endif |
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[2104] | 339 | zscave = zfeequi * zlam1b * zstep |
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[935] | 340 | |
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[2104] | 341 | ! Increased scavenging for very high iron concentrations |
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| 342 | ! found near the coasts due to increased lithogenic particles |
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| 343 | ! and let s say it unknown processes (precipitation, ...) |
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| 344 | ! ----------------------------------------------------------- |
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[935] | 345 | zlamfac = MAX( 0.e0, ( gphit(ji,jj) + 55.) / 30. ) |
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| 346 | zlamfac = MIN( 1. , zlamfac ) |
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| 347 | #if ! defined key_kriest |
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| 348 | zlam1b = ( 80.* ( trn(ji,jj,jk,jpdoc) + 35.e-6 ) & |
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| 349 | & + 698.* trn(ji,jj,jk,jppoc) + 1.05e4 * trn(ji,jj,jk,jpgoc) ) & |
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| 350 | & * xdiss(ji,jj,jk) + 1E-4 * (1.-zlamfac) & |
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| 351 | & + xlam1 * MAX( 0.e0, ( trn(ji,jj,jk,jpfer) * 1.e9 - 1.) ) |
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| 352 | #else |
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| 353 | zlam1b = ( 80.* (trn(ji,jj,jk,jpdoc) + 35E-6) & |
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| 354 | & + 698.* trn(ji,jj,jk,jppoc) ) & |
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| 355 | & * xdiss(ji,jj,jk) + 1E-4 * (1.-zlamfac) & |
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| 356 | & + xlam1 * MAX( 0.e0, ( trn(ji,jj,jk,jpfer) * 1.e9 - 1.) ) |
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| 357 | #endif |
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| 358 | |
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[2104] | 359 | zaggdfe = zlam1b * zstep * 0.5 * ( trn(ji,jj,jk,jpfer) - zfeequi ) |
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[935] | 360 | |
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| 361 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) - zscave - zaggdfe |
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| 362 | |
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| 363 | #if defined key_kriest |
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| 364 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + zscave * zdenom1 |
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| 365 | #else |
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| 366 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + zscave * zdenom1 |
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| 367 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + zscave * zdenom2 |
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| 368 | #endif |
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| 369 | |
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| 370 | END DO |
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| 371 | END DO |
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| 372 | END DO |
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| 373 | ! |
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| 374 | |
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| 375 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 376 | WRITE(charout, FMT="('rem5')") |
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| 377 | CALL prt_ctl_trc_info(charout) |
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| 378 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 379 | ENDIF |
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| 380 | |
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[2104] | 381 | ! Update the arrays TRA which contain the biological sources and sinks |
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| 382 | ! -------------------------------------------------------------------- |
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[935] | 383 | |
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| 384 | DO jk = 1, jpkm1 |
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| 385 | tra(:,:,jk,jppo4) = tra(:,:,jk,jppo4) + zolimi(:,:,jk) + denitr(:,:,jk) |
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| 386 | tra(:,:,jk,jpnh4) = tra(:,:,jk,jpnh4) + zolimi(:,:,jk) + denitr(:,:,jk) |
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| 387 | tra(:,:,jk,jpno3) = tra(:,:,jk,jpno3) - denitr(:,:,jk) * rdenit |
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| 388 | tra(:,:,jk,jpdoc) = tra(:,:,jk,jpdoc) - zolimi(:,:,jk) - denitr(:,:,jk) |
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| 389 | tra(:,:,jk,jpoxy) = tra(:,:,jk,jpoxy) - zolimi(:,:,jk) * o2ut |
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| 390 | tra(:,:,jk,jpdic) = tra(:,:,jk,jpdic) + zolimi(:,:,jk) + denitr(:,:,jk) |
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| 391 | tra(:,:,jk,jptal) = tra(:,:,jk,jptal) + denitr(:,:,jk) * rno3 * rdenit |
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| 392 | END DO |
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| 393 | |
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| 394 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 395 | WRITE(charout, FMT="('rem6')") |
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| 396 | CALL prt_ctl_trc_info(charout) |
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| 397 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 398 | ENDIF |
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| 399 | |
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| 400 | END SUBROUTINE p4z_rem |
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| 401 | |
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| 402 | SUBROUTINE p4z_rem_init |
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| 403 | |
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| 404 | !!---------------------------------------------------------------------- |
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| 405 | !! *** ROUTINE p4z_rem_init *** |
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| 406 | !! |
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| 407 | !! ** Purpose : Initialization of remineralization parameters |
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| 408 | !! |
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[1119] | 409 | !! ** Method : Read the nampisrem namelist and check the parameters |
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[2148] | 410 | !! called at the first timestep |
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[935] | 411 | !! |
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[1119] | 412 | !! ** input : Namelist nampisrem |
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[935] | 413 | !! |
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| 414 | !!---------------------------------------------------------------------- |
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| 415 | |
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[1119] | 416 | NAMELIST/nampisrem/ xremik, xremip, nitrif, xsirem, xlam1, oxymin |
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[935] | 417 | |
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| 418 | REWIND( numnat ) ! read numnat |
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[1119] | 419 | READ ( numnat, nampisrem ) |
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[935] | 420 | |
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| 421 | IF(lwp) THEN ! control print |
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| 422 | WRITE(numout,*) ' ' |
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[1119] | 423 | WRITE(numout,*) ' Namelist parameters for remineralization, nampisrem' |
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[935] | 424 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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| 425 | WRITE(numout,*) ' remineralisation rate of POC xremip =', xremip |
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| 426 | WRITE(numout,*) ' remineralization rate of DOC xremik =', xremik |
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| 427 | WRITE(numout,*) ' remineralization rate of Si xsirem =', xsirem |
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| 428 | WRITE(numout,*) ' scavenging rate of Iron xlam1 =', xlam1 |
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| 429 | WRITE(numout,*) ' NH4 nitrification rate nitrif =', nitrif |
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| 430 | WRITE(numout,*) ' halk saturation constant for anoxia oxymin =', oxymin |
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| 431 | ENDIF |
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| 432 | |
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[2104] | 433 | nitrfac(:,:,:) = 0.0 |
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| 434 | denitr (:,:,:) = 0.0 |
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| 435 | |
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[935] | 436 | END SUBROUTINE p4z_rem_init |
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| 437 | |
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| 438 | #else |
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| 439 | !!====================================================================== |
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| 440 | !! Dummy module : No PISCES bio-model |
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| 441 | !!====================================================================== |
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| 442 | CONTAINS |
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| 443 | SUBROUTINE p4z_rem ! Empty routine |
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| 444 | END SUBROUTINE p4z_rem |
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| 445 | #endif |
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| 446 | |
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| 447 | !!====================================================================== |
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| 448 | END MODULE p4zrem |
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