| 1 | MODULE p4zrem |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zrem *** |
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| 4 | !! TOP : PISCES Compute remineralization/dissolution 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 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Quota model for iron |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | #if defined key_pisces |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! 'key_top' and TOP models |
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| 13 | !! 'key_pisces' PISCES bio-model |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | !! p4z_rem : Compute remineralization/dissolution of organic compounds |
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| 16 | !! p4z_rem_init : Initialisation of parameters for remineralisation |
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| 17 | !! p4z_rem_alloc : Allocate remineralisation variables |
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| 18 | !!---------------------------------------------------------------------- |
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| 19 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 20 | USE trc ! passive tracers common variables |
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| 21 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 22 | USE p4zopt ! optical model |
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| 23 | USE p4zche ! chemical model |
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| 24 | USE p4zprod ! Growth rate of the 2 phyto groups |
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| 25 | USE p4zmeso ! Sources and sinks of mesozooplankton |
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| 26 | USE p4zint ! interpolation and computation of various fields |
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| 27 | USE p4zlim |
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| 28 | USE prtctl_trc ! print control for debugging |
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| 29 | USE iom ! I/O manager |
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| 30 | |
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| 31 | |
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| 32 | IMPLICIT NONE |
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| 33 | PRIVATE |
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| 34 | |
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| 35 | PUBLIC p4z_rem ! called in p4zbio.F90 |
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| 36 | PUBLIC p4z_rem_init ! called in trcsms_pisces.F90 |
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| 37 | PUBLIC p4z_rem_alloc |
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| 38 | |
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| 39 | !! * Shared module variables |
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| 40 | REAL(wp), PUBLIC :: xremik !: remineralisation rate of POC |
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| 41 | REAL(wp), PUBLIC :: xremip !: remineralisation rate of DOC |
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| 42 | REAL(wp), PUBLIC :: nitrif !: NH4 nitrification rate |
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| 43 | REAL(wp), PUBLIC :: xsirem !: remineralisation rate of POC |
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| 44 | REAL(wp), PUBLIC :: xsiremlab !: fast remineralisation rate of POC |
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| 45 | REAL(wp), PUBLIC :: xsilab !: fraction of labile biogenic silica |
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| 46 | REAL(wp), PUBLIC :: oxymin !: halk saturation constant for anoxia |
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| 47 | |
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| 48 | |
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| 49 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: denitr !: denitrification array |
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| 50 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: denitnh4 !: - - - - - |
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| 51 | |
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| 52 | !! * Substitutions |
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| 53 | # include "domzgr_substitute.h90" |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 56 | !! $Id: p4zrem.F90 3160 2011-11-20 14:27:18Z cetlod $ |
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| 57 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 58 | !!---------------------------------------------------------------------- |
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| 59 | CONTAINS |
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| 60 | |
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| 61 | SUBROUTINE p4z_rem( kt, knt ) |
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| 62 | !!--------------------------------------------------------------------- |
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| 63 | !! *** ROUTINE p4z_rem *** |
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| 64 | !! |
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| 65 | !! ** Purpose : Compute remineralization/scavenging of organic compounds |
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| 66 | !! |
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| 67 | !! ** Method : - ??? |
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| 68 | !!--------------------------------------------------------------------- |
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| 69 | ! |
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| 70 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
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| 71 | ! |
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| 72 | INTEGER :: ji, jj, jk |
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| 73 | REAL(wp) :: zremip, zremik, zsiremin |
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| 74 | REAL(wp) :: zsatur, zsatur2, znusil, znusil2, zdep, zdepmin, zfactdep |
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| 75 | REAL(wp) :: zbactfer, zorem, zorem2, zofer, zolimit |
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| 76 | REAL(wp) :: zosil, ztem |
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| 77 | #if ! defined key_kriest |
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| 78 | REAL(wp) :: zofer2 |
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| 79 | #endif |
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| 80 | REAL(wp) :: zonitr, zstep, zfact |
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| 81 | CHARACTER (len=25) :: charout |
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| 82 | REAL(wp), POINTER, DIMENSION(:,: ) :: ztempbac |
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| 83 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zdepbac, zolimi, zdepprod, zw3d |
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| 84 | !!--------------------------------------------------------------------- |
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| 85 | ! |
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| 86 | IF( nn_timing == 1 ) CALL timing_start('p4z_rem') |
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| 87 | ! |
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| 88 | ! Allocate temporary workspace |
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| 89 | CALL wrk_alloc( jpi, jpj, ztempbac ) |
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| 90 | CALL wrk_alloc( jpi, jpj, jpk, zdepbac, zdepprod, zolimi ) |
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| 91 | |
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| 92 | ! Initialisation of temprary arrys |
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| 93 | zdepprod(:,:,:) = 1._wp |
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| 94 | ztempbac(:,:) = 0._wp |
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| 95 | |
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| 96 | ! Computation of the mean phytoplankton concentration as |
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| 97 | ! a crude estimate of the bacterial biomass |
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| 98 | ! this parameterization has been deduced from a model version |
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| 99 | ! that was modeling explicitely bacteria |
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| 100 | ! ------------------------------------------------------- |
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| 101 | DO jk = 1, jpkm1 |
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| 102 | DO jj = 1, jpj |
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| 103 | DO ji = 1, jpi |
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| 104 | zdep = MAX( hmld(ji,jj), heup(ji,jj) ) |
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| 105 | IF( fsdept(ji,jj,jk) < zdep ) THEN |
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| 106 | zdepbac(ji,jj,jk) = MIN( 0.7 * ( trb(ji,jj,jk,jpzoo) + 2.* trb(ji,jj,jk,jpmes) ), 4.e-6 ) |
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| 107 | ztempbac(ji,jj) = zdepbac(ji,jj,jk) |
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| 108 | ELSE |
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| 109 | zdepmin = MIN( 1., zdep / fsdept(ji,jj,jk) ) |
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| 110 | zdepbac (ji,jj,jk) = zdepmin**0.683 * ztempbac(ji,jj) |
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| 111 | zdepprod(ji,jj,jk) = zdepmin**0.273 |
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| 112 | ENDIF |
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| 113 | END DO |
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| 114 | END DO |
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| 115 | END DO |
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| 116 | |
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| 117 | DO jk = 1, jpkm1 |
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| 118 | DO jj = 1, jpj |
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| 119 | DO ji = 1, jpi |
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| 120 | ! denitrification factor computed from O2 levels |
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| 121 | nitrfac(ji,jj,jk) = MAX( 0.e0, 0.4 * ( 6.e-6 - trb(ji,jj,jk,jpoxy) ) & |
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| 122 | & / ( oxymin + trb(ji,jj,jk,jpoxy) ) ) |
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| 123 | nitrfac(ji,jj,jk) = MIN( 1., nitrfac(ji,jj,jk) ) |
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| 124 | END DO |
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| 125 | END DO |
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| 126 | END DO |
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| 127 | |
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| 128 | DO jk = 1, jpkm1 |
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| 129 | DO jj = 1, jpj |
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| 130 | DO ji = 1, jpi |
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| 131 | zstep = xstep |
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| 132 | # if defined key_degrad |
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| 133 | zstep = zstep * facvol(ji,jj,jk) |
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| 134 | # endif |
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| 135 | ! DOC ammonification. Depends on depth, phytoplankton biomass |
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| 136 | ! and a limitation term which is supposed to be a parameterization |
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| 137 | ! of the bacterial activity. |
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| 138 | zremik = xremik * zstep / 1.e-6 * xlimbac(ji,jj,jk) * zdepbac(ji,jj,jk) |
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| 139 | zremik = MAX( zremik, 2.74e-4 * xstep ) |
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| 140 | ! Ammonification in oxic waters with oxygen consumption |
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| 141 | ! ----------------------------------------------------- |
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| 142 | zolimit = zremik * ( 1.- nitrfac(ji,jj,jk) ) * trb(ji,jj,jk,jpdoc) |
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| 143 | zolimi(ji,jj,jk) = MIN( ( trb(ji,jj,jk,jpoxy) - rtrn ) / o2ut, zolimit ) |
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| 144 | ! Ammonification in suboxic waters with denitrification |
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| 145 | ! ------------------------------------------------------- |
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| 146 | denitr(ji,jj,jk) = MIN( ( trb(ji,jj,jk,jpno3) - rtrn ) / rdenit, & |
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| 147 | & zremik * nitrfac(ji,jj,jk) * trb(ji,jj,jk,jpdoc) ) |
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| 148 | ! |
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| 149 | zolimi (ji,jj,jk) = MAX( 0.e0, zolimi (ji,jj,jk) ) |
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| 150 | denitr (ji,jj,jk) = MAX( 0.e0, denitr (ji,jj,jk) ) |
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| 151 | ! |
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| 152 | END DO |
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| 153 | END DO |
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| 154 | END DO |
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| 155 | |
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| 156 | |
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| 157 | DO jk = 1, jpkm1 |
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| 158 | DO jj = 1, jpj |
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| 159 | DO ji = 1, jpi |
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| 160 | zstep = xstep |
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| 161 | # if defined key_degrad |
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| 162 | zstep = zstep * facvol(ji,jj,jk) |
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| 163 | # endif |
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| 164 | ! NH4 nitrification to NO3. Ceased for oxygen concentrations |
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| 165 | ! below 2 umol/L. Inhibited at strong light |
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| 166 | ! ---------------------------------------------------------- |
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| 167 | zonitr =nitrif * zstep * trb(ji,jj,jk,jpnh4) / ( 1.+ emoy(ji,jj,jk) ) * ( 1.- nitrfac(ji,jj,jk) ) |
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| 168 | denitnh4(ji,jj,jk) = nitrif * zstep * trb(ji,jj,jk,jpnh4) * nitrfac(ji,jj,jk) |
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| 169 | ! Update of the tracers trends |
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| 170 | ! ---------------------------- |
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| 171 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) - zonitr - denitnh4(ji,jj,jk) |
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| 172 | tra(ji,jj,jk,jpno3) = tra(ji,jj,jk,jpno3) + zonitr - rdenita * denitnh4(ji,jj,jk) |
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| 173 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) - o2nit * zonitr |
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| 174 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) - 2 * rno3 * zonitr + rno3 * ( rdenita - 1. ) * denitnh4(ji,jj,jk) |
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| 175 | END DO |
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| 176 | END DO |
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| 177 | END DO |
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| 178 | |
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| 179 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 180 | WRITE(charout, FMT="('rem1')") |
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| 181 | CALL prt_ctl_trc_info(charout) |
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| 182 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 183 | ENDIF |
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| 184 | |
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| 185 | DO jk = 1, jpkm1 |
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| 186 | DO jj = 1, jpj |
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| 187 | DO ji = 1, jpi |
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| 188 | |
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| 189 | ! Bacterial uptake of iron. No iron is available in DOC. So |
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| 190 | ! Bacteries are obliged to take up iron from the water. Some |
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| 191 | ! studies (especially at Papa) have shown this uptake to be significant |
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| 192 | ! ---------------------------------------------------------- |
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| 193 | zbactfer = 10.e-6 * rfact2 * prmax(ji,jj,jk) * xlimbacl(ji,jj,jk) & |
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| 194 | & * trb(ji,jj,jk,jpfer) / ( 2.5E-10 + trb(ji,jj,jk,jpfer) ) & |
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| 195 | & * zdepprod(ji,jj,jk) * zdepbac(ji,jj,jk) |
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| 196 | #if defined key_kriest |
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| 197 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) - zbactfer*0.05 |
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| 198 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + zbactfer*0.05 |
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| 199 | #else |
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| 200 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) - zbactfer*0.16 |
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| 201 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + zbactfer*0.12 |
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| 202 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + zbactfer*0.04 |
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| 203 | #endif |
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| 204 | END DO |
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| 205 | END DO |
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| 206 | END DO |
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| 207 | |
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| 208 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 209 | WRITE(charout, FMT="('rem2')") |
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| 210 | CALL prt_ctl_trc_info(charout) |
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| 211 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 212 | ENDIF |
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| 213 | |
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| 214 | DO jk = 1, jpkm1 |
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| 215 | DO jj = 1, jpj |
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| 216 | DO ji = 1, jpi |
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| 217 | zstep = xstep |
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| 218 | # if defined key_degrad |
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| 219 | zstep = zstep * facvol(ji,jj,jk) |
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| 220 | # endif |
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| 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.- 0.55 * nitrfac(ji,jj,jk) ) |
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| 224 | |
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| 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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| 230 | zorem = zremip * trb(ji,jj,jk,jppoc) |
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| 231 | zofer = zremip * trb(ji,jj,jk,jpsfe) |
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| 232 | #if ! defined key_kriest |
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| 233 | zorem2 = zremip * trb(ji,jj,jk,jpgoc) |
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| 234 | zofer2 = zremip * trb(ji,jj,jk,jpbfe) |
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| 235 | #else |
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| 236 | zorem2 = zremip * trb(ji,jj,jk,jpnum) |
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| 237 | #endif |
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| 238 | |
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| 239 | ! Update the appropriate tracers trends |
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| 240 | ! ------------------------------------- |
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| 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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| 268 | zstep = xstep |
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| 269 | # if defined key_degrad |
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| 270 | zstep = zstep * facvol(ji,jj,jk) |
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| 271 | # endif |
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| 272 | ! Remineralization rate of BSi depedant on T and saturation |
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| 273 | ! --------------------------------------------------------- |
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| 274 | zsatur = ( sio3eq(ji,jj,jk) - trb(ji,jj,jk,jpsil) ) / ( sio3eq(ji,jj,jk) + rtrn ) |
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| 275 | zsatur = MAX( rtrn, zsatur ) |
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| 276 | zsatur2 = ( 1. + tsn(ji,jj,jk,jp_tem) / 400.)**37 |
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| 277 | znusil = 0.225 * ( 1. + tsn(ji,jj,jk,jp_tem) / 15.) * zsatur + 0.775 * zsatur2 * zsatur**9.25 |
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| 278 | znusil2 = 0.225 * ( 1. + tsn(ji,jj,1,jp_tem) / 15.) + 0.775 * zsatur2 |
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| 279 | |
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| 280 | ! Two classes of BSi are considered : a labile fraction and |
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| 281 | ! a more refractory one. The ratio between both fractions is |
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| 282 | ! constant and specified in the namelist. |
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| 283 | ! ---------------------------------------------------------- |
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| 284 | zdep = MAX( hmld(ji,jj), heup(ji,jj) ) |
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| 285 | zdep = MAX( 0., fsdept(ji,jj,jk) - zdep ) |
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| 286 | ztem = MAX( tsn(ji,jj,1,jp_tem), 0. ) |
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| 287 | zfactdep = xsilab * EXP(-( xsiremlab - xsirem ) * znusil2 * zdep / wsbio2 ) * ztem / ( ztem + 10. ) |
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| 288 | zsiremin = ( xsiremlab * zfactdep + xsirem * ( 1. - zfactdep ) ) * zstep * znusil |
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| 289 | zosil = zsiremin * trb(ji,jj,jk,jpgsi) |
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| 290 | ! |
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| 291 | tra(ji,jj,jk,jpgsi) = tra(ji,jj,jk,jpgsi) - zosil |
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| 292 | tra(ji,jj,jk,jpsil) = tra(ji,jj,jk,jpsil) + zosil |
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| 293 | ! |
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| 294 | END DO |
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| 295 | END DO |
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| 296 | END DO |
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| 297 | |
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| 298 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 299 | WRITE(charout, FMT="('rem4')") |
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| 300 | CALL prt_ctl_trc_info(charout) |
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| 301 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 302 | ENDIF |
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| 303 | |
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| 304 | ! Update the arrays TRA which contain the biological sources and sinks |
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| 305 | ! -------------------------------------------------------------------- |
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| 306 | |
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| 307 | DO jk = 1, jpkm1 |
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| 308 | tra(:,:,jk,jppo4) = tra(:,:,jk,jppo4) + zolimi (:,:,jk) + denitr(:,:,jk) |
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| 309 | tra(:,:,jk,jpnh4) = tra(:,:,jk,jpnh4) + zolimi (:,:,jk) + denitr(:,:,jk) |
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| 310 | tra(:,:,jk,jpno3) = tra(:,:,jk,jpno3) - denitr (:,:,jk) * rdenit |
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| 311 | tra(:,:,jk,jpdoc) = tra(:,:,jk,jpdoc) - zolimi (:,:,jk) - denitr(:,:,jk) |
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| 312 | tra(:,:,jk,jpoxy) = tra(:,:,jk,jpoxy) - zolimi (:,:,jk) * o2ut |
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| 313 | tra(:,:,jk,jpdic) = tra(:,:,jk,jpdic) + zolimi (:,:,jk) + denitr(:,:,jk) |
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| 314 | tra(:,:,jk,jptal) = tra(:,:,jk,jptal) + rno3 * ( zolimi(:,:,jk) + ( rdenit + 1.) * denitr(:,:,jk) ) |
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| 315 | END DO |
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| 316 | |
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| 317 | IF( knt == nrdttrc ) THEN |
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| 318 | CALL wrk_alloc( jpi, jpj, jpk, zw3d ) |
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| 319 | zfact = 1.e+3 * rfact2r ! conversion from mol/l/kt to mol/m3/s |
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| 320 | ! |
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| 321 | IF( iom_use( "REMIN" ) ) THEN |
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| 322 | zw3d(:,:,:) = zolimi(:,:,:) * tmask(:,:,:) * zfact ! Remineralisation rate |
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| 323 | CALL iom_put( "REMIN" , zw3d ) |
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| 324 | ENDIF |
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| 325 | IF( iom_use( "DENIT" ) ) THEN |
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| 326 | zw3d(:,:,:) = denitr(:,:,:) * rdenit * rno3 * tmask(:,:,:) * zfact ! Denitrification |
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| 327 | CALL iom_put( "DENIT" , zw3d ) |
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| 328 | ENDIF |
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| 329 | ! |
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| 330 | CALL wrk_dealloc( jpi, jpj, jpk, zw3d ) |
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| 331 | ENDIF |
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| 332 | |
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| 333 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 334 | WRITE(charout, FMT="('rem6')") |
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| 335 | CALL prt_ctl_trc_info(charout) |
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| 336 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 337 | ENDIF |
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| 338 | ! |
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| 339 | CALL wrk_dealloc( jpi, jpj, ztempbac ) |
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| 340 | CALL wrk_dealloc( jpi, jpj, jpk, zdepbac, zdepprod, zolimi ) |
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| 341 | ! |
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| 342 | IF( nn_timing == 1 ) CALL timing_stop('p4z_rem') |
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| 343 | ! |
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| 344 | END SUBROUTINE p4z_rem |
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| 345 | |
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| 346 | |
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| 347 | SUBROUTINE p4z_rem_init |
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| 348 | !!---------------------------------------------------------------------- |
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| 349 | !! *** ROUTINE p4z_rem_init *** |
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| 350 | !! |
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| 351 | !! ** Purpose : Initialization of remineralization parameters |
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| 352 | !! |
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| 353 | !! ** Method : Read the nampisrem namelist and check the parameters |
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| 354 | !! called at the first timestep |
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| 355 | !! |
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| 356 | !! ** input : Namelist nampisrem |
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| 357 | !! |
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| 358 | !!---------------------------------------------------------------------- |
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| 359 | NAMELIST/nampisrem/ xremik, xremip, nitrif, xsirem, xsiremlab, xsilab, & |
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| 360 | & oxymin |
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| 361 | INTEGER :: ios ! Local integer output status for namelist read |
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| 362 | |
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| 363 | REWIND( numnatp_ref ) ! Namelist nampisrem in reference namelist : Pisces remineralization |
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| 364 | READ ( numnatp_ref, nampisrem, IOSTAT = ios, ERR = 901) |
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| 365 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisrem in reference namelist', lwp ) |
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| 366 | |
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| 367 | REWIND( numnatp_cfg ) ! Namelist nampisrem in configuration namelist : Pisces remineralization |
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| 368 | READ ( numnatp_cfg, nampisrem, IOSTAT = ios, ERR = 902 ) |
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| 369 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisrem in configuration namelist', lwp ) |
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| 370 | IF(lwm) WRITE ( numonp, nampisrem ) |
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| 371 | |
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| 372 | IF(lwp) THEN ! control print |
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| 373 | WRITE(numout,*) ' ' |
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| 374 | WRITE(numout,*) ' Namelist parameters for remineralization, nampisrem' |
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| 375 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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| 376 | WRITE(numout,*) ' remineralisation rate of POC xremip =', xremip |
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| 377 | WRITE(numout,*) ' remineralization rate of DOC xremik =', xremik |
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| 378 | WRITE(numout,*) ' remineralization rate of Si xsirem =', xsirem |
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| 379 | WRITE(numout,*) ' fast remineralization rate of Si xsiremlab =', xsiremlab |
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| 380 | WRITE(numout,*) ' fraction of labile biogenic silica xsilab =', xsilab |
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| 381 | WRITE(numout,*) ' NH4 nitrification rate nitrif =', nitrif |
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| 382 | WRITE(numout,*) ' halk saturation constant for anoxia oxymin =', oxymin |
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| 383 | ENDIF |
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| 384 | ! |
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| 385 | nitrfac (:,:,:) = 0._wp |
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| 386 | denitr (:,:,:) = 0._wp |
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| 387 | denitnh4(:,:,:) = 0._wp |
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| 388 | ! |
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| 389 | END SUBROUTINE p4z_rem_init |
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| 390 | |
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| 391 | |
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| 392 | INTEGER FUNCTION p4z_rem_alloc() |
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| 393 | !!---------------------------------------------------------------------- |
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| 394 | !! *** ROUTINE p4z_rem_alloc *** |
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| 395 | !!---------------------------------------------------------------------- |
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| 396 | ALLOCATE( denitr(jpi,jpj,jpk), denitnh4(jpi,jpj,jpk), STAT=p4z_rem_alloc ) |
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| 397 | ! |
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| 398 | IF( p4z_rem_alloc /= 0 ) CALL ctl_warn('p4z_rem_alloc: failed to allocate arrays') |
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| 399 | ! |
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| 400 | END FUNCTION p4z_rem_alloc |
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| 401 | |
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| 402 | #else |
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| 403 | !!====================================================================== |
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| 404 | !! Dummy module : No PISCES bio-model |
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| 405 | !!====================================================================== |
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| 406 | CONTAINS |
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| 407 | SUBROUTINE p4z_rem ! Empty routine |
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| 408 | END SUBROUTINE p4z_rem |
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| 409 | #endif |
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| 410 | |
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| 411 | !!====================================================================== |
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| 412 | END MODULE p4zrem |
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