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MODULE p2zbio
!!======================================================================
!! *** MODULE p2zbio ***
!! TOP : LOBSTER
!!======================================================================
!! History : - ! 1999-07 (M. Levy) Original code
!! - ! 2000-12 (E. Kestenare) assign a parameter to name individual tracers
!! - ! 2001-03 (M. Levy) LNO3 + dia2d
!! 2.0 ! 2007-12 (C. Deltel, G. Madec) F90
!!----------------------------------------------------------------------
!! p2z_bio :
!!----------------------------------------------------------------------
USE oce_trc !
USE trc !
USE sms_pisces !
USE p2zopt !
USE trd_oce !
USE trdtrc !
!
USE lbclnk !
USE prtctl ! Print control for debbuging
USE iom !
IMPLICIT NONE
PRIVATE
PUBLIC p2z_bio ! called in ???
PUBLIC p2z_bio_init ! called in ???
REAL(wp) :: tmumax ! maximal phytoplankton growth rate [s-1]
REAL(wp) :: rgamma ! phytoplankton exudation fraction [%]
REAL(wp) :: fphylab ! NH4 fraction of phytoplankton exsudation
REAL(wp) :: tmminp ! minimal phytoplancton mortality rate [0.05/86400 s-1=20 days]
REAL(wp) :: aki ! light photosynthesis half saturation constant[W/m2]
!
REAL(wp) :: akno3 ! nitrate limitation half-saturation value [mmol/m3]
REAL(wp) :: aknh4 ! ammonium limitation half-saturation value [mmol/m3]
REAL(wp) :: taunn ! nitrification rate [s-1]
REAL(wp) :: psinut ! inhibition of nitrate uptake by ammonium
!
REAL(wp) :: taudn ! detritus breakdown rate [0.1/86400 s-1=10 days]
REAL(wp) :: fdetlab ! NH4 fraction of detritus dissolution
!
REAL(wp) :: taudomn ! DOM breakdown rate [s-1]
! ! slow remineralization rate of semi-labile dom to nh4 (1 month)
!
REAL(wp) :: rppz ! ivlev coeff for zoo mortality
REAL(wp) :: taus ! specific zooplankton maximal grazing rate [s-1]
! ! 0.75/86400 s-1=8.680555E-6 1/86400 = 1.15e-5
REAL(wp) :: aks ! half-saturation constant for total zooplankton grazing [mmolN.m-3]
REAL(wp) :: rpnaz ! non-assimilated phytoplankton by zooplancton [%]
REAL(wp) :: rdnaz ! non-assimilated detritus by zooplankton [%]
REAL(wp) :: tauzn ! zooplancton specific excretion rate [0.1/86400 s-1=10 days]
REAL(wp) :: tmminz ! minimal zooplankton mortality rate [(mmolN/m3)-1 d-1]
REAL(wp) :: fzoolab ! NH4 fraction of zooplankton excretion
REAL(wp) :: fdbod ! zooplankton mortality fraction that goes to detritus
!! * Substitutions
# include "do_loop_substitute.h90"
# include "domzgr_substitute.h90"
!!----------------------------------------------------------------------
!! NEMO/TOP 4.0 , NEMO Consortium (2018)
!! $Id: p2zbio.F90 14433 2021-02-11 08:06:49Z smasson $
!! Software governed by the CeCILL license (see ./LICENSE)
!!----------------------------------------------------------------------
CONTAINS
SUBROUTINE p2z_bio( kt, Kmm, Krhs )
!!---------------------------------------------------------------------
!! *** ROUTINE p2z_bio ***
!!
!! ** Purpose : compute the now trend due to biogeochemical processes
!! and add it to the general trend of passive tracers equations
!!
!! ** Method : each now biological flux is calculated in function of now
!! concentrations of tracers.
!! depending on the tracer, these fluxes are sources or sinks.
!! the total of the sources and sinks for each tracer
!! is added to the general trend.
!!
!! tr(Krhs) = tr(Krhs) + zf...tr(Krhs) - zftra...
!! | |
!! | |
!! source sink
!!
!!---------------------------------------------------------------------
INTEGER, INTENT( in ) :: kt ! ocean time-step index
INTEGER, INTENT( in ) :: Kmm, Krhs ! time level indices
!
INTEGER :: ji, jj, jk, jl
REAL(wp) :: zdet, zzoo, zphy, zno3, znh4, zdom ! now concentrations
REAL(wp) :: zlno3, zlnh4, zle, zlt ! limitation terms for phyto
REAL(wp) :: zno3phy, znh4phy, zphynh4, zphydom
REAL(wp) :: zphydet, zphyzoo, zdetzoo
REAL(wp) :: zzoonh4, zzoodom, zzoodet, zdetnh4, zdetdom
REAL(wp) :: znh4no3, zdomnh4, zppz, zpdz, zpppz, zppdz, zfood
REAL(wp) :: zfilpz, zfildz, zphya, zzooa, zno3a
REAL(wp) :: znh4a, zdeta, zdoma, zzoobod, zboddet, zdomaju
REAL(wp) :: ze3t
REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zw2d
REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: zw3d
CHARACTER (len=25) :: charout
!!---------------------------------------------------------------------
!
IF( ln_timing ) CALL timing_start('p2z_bio')
!
IF( lk_iomput ) ALLOCATE( zw2d(jpi,jpj,17), zw3d(jpi,jpj,jpk,3) )
IF( kt == nittrc000 ) THEN
IF(lwp) WRITE(numout,*)
IF(lwp) WRITE(numout,*) ' p2z_bio: LOBSTER bio-model'
IF(lwp) WRITE(numout,*) ' ~~~~~~~'
ENDIF
xksi(:,:) = 0.e0 ! zooplakton closure ( fbod)
IF( lk_iomput ) THEN
zw2d (:,:,:) = 0._wp
zw3d(:,:,:,:) = 0._wp
ENDIF
! ! -------------------------- !
DO jk = 1, jpkbm1 ! Upper ocean (bio-layers) !
! ! -------------------------- !
DO_2D( 0, 0, 0, 0 )
! trophic variables( det, zoo, phy, no3, nh4, dom)
! ------------------------------------------------
! negative trophic variables DO not contribute to the fluxes
zdet = MAX( 0.e0, tr(ji,jj,jk,jpdet,Kmm) )
zzoo = MAX( 0.e0, tr(ji,jj,jk,jpzoo,Kmm) )
zphy = MAX( 0.e0, tr(ji,jj,jk,jpphy,Kmm) )
zno3 = MAX( 0.e0, tr(ji,jj,jk,jpno3,Kmm) )
znh4 = MAX( 0.e0, tr(ji,jj,jk,jpnh4,Kmm) )
zdom = MAX( 0.e0, tr(ji,jj,jk,jpdom,Kmm) )
! Limitations
zlt = 1.
zle = 1. - EXP( -etot(ji,jj,jk) / aki / zlt )
! psinut,akno3,aknh4 added by asklod AS Kremeur 2005-03
zlno3 = zno3 * EXP( -psinut * znh4 ) / ( akno3 + zno3 )
zlnh4 = znh4 / (znh4+aknh4)
! sinks and sources
! phytoplankton production and exsudation
zno3phy = tmumax * zle * zlt * zlno3 * zphy
znh4phy = tmumax * zle * zlt * zlnh4 * zphy
! fphylab added by asklod AS Kremeur 2005-03
zphydom = rgamma * (1 - fphylab) * (zno3phy + znh4phy)
zphynh4 = rgamma * fphylab * (zno3phy + znh4phy)
! zooplankton production
! preferences
zppz = rppz
zpdz = 1. - rppz
zpppz = ( zppz * zphy ) / ( ( zppz * zphy + zpdz * zdet ) + 1.e-13 )
zppdz = ( zpdz * zdet ) / ( ( zppz * zphy + zpdz * zdet ) + 1.e-13 )
zfood = zpppz * zphy + zppdz * zdet
! filtration
zfilpz = taus * zpppz / (aks + zfood)
zfildz = taus * zppdz / (aks + zfood)
! grazing
zphyzoo = zfilpz * zphy * zzoo
zdetzoo = zfildz * zdet * zzoo
! fecal pellets production
zzoodet = rpnaz * zphyzoo + rdnaz * zdetzoo
! zooplankton liquide excretion
zzoonh4 = tauzn * fzoolab * zzoo
zzoodom = tauzn * (1 - fzoolab) * zzoo
! mortality
! phytoplankton mortality
zphydet = tmminp * zphy
! zooplankton mortality
! closure : flux grazing is redistributed below level jpkbio
zzoobod = tmminz * zzoo * zzoo
xksi(ji,jj) = xksi(ji,jj) + (1-fdbod) * zzoobod * e3t(ji,jj,jk,Kmm)
zboddet = fdbod * zzoobod
! detritus and dom breakdown
zdetnh4 = taudn * fdetlab * zdet
zdetdom = taudn * (1 - fdetlab) * zdet
zdomnh4 = taudomn * zdom
! flux added to express how the excess of nitrogen from
! PHY, ZOO and DET to DOM goes directly to NH4 (flux of ajustment)
zdomaju = (1 - redf/reddom) * (zphydom + zzoodom + zdetdom)
! Nitrification
znh4no3 = taunn * znh4
! determination of trends
! total trend for each biological tracer
zphya = zno3phy + znh4phy - zphynh4 - zphydom - zphyzoo - zphydet
zzooa = zphyzoo + zdetzoo - zzoodet - zzoodom - zzoonh4 - zzoobod
zno3a = - zno3phy + znh4no3
znh4a = - znh4phy - znh4no3 + zphynh4 + zzoonh4 + zdomnh4 + zdetnh4 + zdomaju
zdeta = zphydet + zzoodet - zdetzoo - zdetnh4 - zdetdom + zboddet
zdoma = zphydom + zzoodom + zdetdom - zdomnh4 - zdomaju
! tracer flux at totox-point added to the general trend
tr(ji,jj,jk,jpdet,Krhs) = tr(ji,jj,jk,jpdet,Krhs) + zdeta
tr(ji,jj,jk,jpzoo,Krhs) = tr(ji,jj,jk,jpzoo,Krhs) + zzooa
tr(ji,jj,jk,jpphy,Krhs) = tr(ji,jj,jk,jpphy,Krhs) + zphya
tr(ji,jj,jk,jpno3,Krhs) = tr(ji,jj,jk,jpno3,Krhs) + zno3a
tr(ji,jj,jk,jpnh4,Krhs) = tr(ji,jj,jk,jpnh4,Krhs) + znh4a
tr(ji,jj,jk,jpdom,Krhs) = tr(ji,jj,jk,jpdom,Krhs) + zdoma
IF( lk_iomput ) THEN
! convert fluxes in per day
ze3t = e3t(ji,jj,jk,Kmm) * 86400._wp
zw2d(ji,jj,1) = zw2d(ji,jj,1) + zno3phy * ze3t
zw2d(ji,jj,2) = zw2d(ji,jj,2) + znh4phy * ze3t
zw2d(ji,jj,3) = zw2d(ji,jj,3) + zphydom * ze3t
zw2d(ji,jj,4) = zw2d(ji,jj,4) + zphynh4 * ze3t
zw2d(ji,jj,5) = zw2d(ji,jj,5) + zphyzoo * ze3t
zw2d(ji,jj,6) = zw2d(ji,jj,6) + zphydet * ze3t
zw2d(ji,jj,7) = zw2d(ji,jj,7) + zdetzoo * ze3t
zw2d(ji,jj,8) = zw2d(ji,jj,8) + zzoodet * ze3t
zw2d(ji,jj,9) = zw2d(ji,jj,9) + zzoobod * ze3t
zw2d(ji,jj,10) = zw2d(ji,jj,10) + zzoonh4 * ze3t
zw2d(ji,jj,11) = zw2d(ji,jj,11) + zzoodom * ze3t
zw2d(ji,jj,12) = zw2d(ji,jj,12) + znh4no3 * ze3t
zw2d(ji,jj,13) = zw2d(ji,jj,13) + zdomnh4 * ze3t
zw2d(ji,jj,14) = zw2d(ji,jj,14) + zdetnh4 * ze3t
zw2d(ji,jj,15) = zw2d(ji,jj,15) + ( zno3phy + znh4phy - zphynh4 - zphydom - zphyzoo - zphydet ) * ze3t
zw2d(ji,jj,16) = zw2d(ji,jj,16) + ( zphyzoo + zdetzoo - zzoodet - zzoobod - zzoonh4 - zzoodom ) * ze3t
zw2d(ji,jj,17) = zw2d(ji,jj,17) + zdetdom * ze3t
!
zw3d(ji,jj,jk,1) = zno3phy * 86400
zw3d(ji,jj,jk,2) = znh4phy * 86400
zw3d(ji,jj,jk,3) = znh4no3 * 86400
!
ENDIF
END_2D
END DO
! ! -------------------------- !
DO jk = jpkb, jpkm1 ! Upper ocean (bio-layers) !
! ! -------------------------- !
DO_2D( 0, 0, 0, 0 )
! remineralisation of all quantities towards nitrate
! trophic variables( det, zoo, phy, no3, nh4, dom)
! negative trophic variables DO not contribute to the fluxes
zdet = MAX( 0.e0, tr(ji,jj,jk,jpdet,Kmm) )
zzoo = MAX( 0.e0, tr(ji,jj,jk,jpzoo,Kmm) )
zphy = MAX( 0.e0, tr(ji,jj,jk,jpphy,Kmm) )
zno3 = MAX( 0.e0, tr(ji,jj,jk,jpno3,Kmm) )
znh4 = MAX( 0.e0, tr(ji,jj,jk,jpnh4,Kmm) )
zdom = MAX( 0.e0, tr(ji,jj,jk,jpdom,Kmm) )
! Limitations
zlt = 0.e0
zle = 0.e0
zlno3 = 0.e0
zlnh4 = 0.e0
! sinks and sources
! phytoplankton production and exsudation
zno3phy = 0.e0
znh4phy = 0.e0
zphydom = 0.e0
zphynh4 = 0.e0
! zooplankton production
zphyzoo = 0.e0 ! grazing
zdetzoo = 0.e0
zzoodet = 0.e0 ! fecal pellets production
zzoonh4 = tauzn * fzoolab * zzoo ! zooplankton liquide excretion
zzoodom = tauzn * (1 - fzoolab) * zzoo
! mortality
zphydet = tmminp * zphy ! phytoplankton mortality
zzoobod = 0.e0 ! zooplankton mortality
zboddet = 0.e0 ! closure : flux fbod is redistributed below level jpkbio
! detritus and dom breakdown
zdetnh4 = taudn * fdetlab * zdet
zdetdom = taudn * (1 - fdetlab) * zdet
zdomnh4 = taudomn * zdom
zdomaju = (1 - redf/reddom) * (zphydom + zzoodom + zdetdom)
! Nitrification
znh4no3 = taunn * znh4
! determination of trends
! total trend for each biological tracer
zphya = zno3phy + znh4phy - zphynh4 - zphydom - zphyzoo - zphydet
zzooa = zphyzoo + zdetzoo - zzoodet - zzoodom - zzoonh4 - zzoobod
zno3a = - zno3phy + znh4no3
znh4a = - znh4phy - znh4no3 + zphynh4 + zzoonh4 + zdomnh4 + zdetnh4 + zdomaju
zdeta = zphydet + zzoodet - zdetzoo - zdetnh4 - zdetdom + zboddet
zdoma = zphydom + zzoodom + zdetdom - zdomnh4 - zdomaju
! tracer flux at totox-point added to the general trend
tr(ji,jj,jk,jpdet,Krhs) = tr(ji,jj,jk,jpdet,Krhs) + zdeta
tr(ji,jj,jk,jpzoo,Krhs) = tr(ji,jj,jk,jpzoo,Krhs) + zzooa
tr(ji,jj,jk,jpphy,Krhs) = tr(ji,jj,jk,jpphy,Krhs) + zphya
tr(ji,jj,jk,jpno3,Krhs) = tr(ji,jj,jk,jpno3,Krhs) + zno3a
tr(ji,jj,jk,jpnh4,Krhs) = tr(ji,jj,jk,jpnh4,Krhs) + znh4a
tr(ji,jj,jk,jpdom,Krhs) = tr(ji,jj,jk,jpdom,Krhs) + zdoma
!
IF( lk_iomput ) THEN ! convert fluxes in per day
ze3t = e3t(ji,jj,jk,Kmm) * 86400._wp
zw2d(ji,jj,1) = zw2d(ji,jj,1) + zno3phy * ze3t
zw2d(ji,jj,2) = zw2d(ji,jj,2) + znh4phy * ze3t
zw2d(ji,jj,3) = zw2d(ji,jj,3) + zphydom * ze3t
zw2d(ji,jj,4) = zw2d(ji,jj,4) + zphynh4 * ze3t
zw2d(ji,jj,5) = zw2d(ji,jj,5) + zphyzoo * ze3t
zw2d(ji,jj,6) = zw2d(ji,jj,6) + zphydet * ze3t
zw2d(ji,jj,7) = zw2d(ji,jj,7) + zdetzoo * ze3t
zw2d(ji,jj,8) = zw2d(ji,jj,8) + zzoodet * ze3t
zw2d(ji,jj,9) = zw2d(ji,jj,9) + zzoobod * ze3t
zw2d(ji,jj,10) = zw2d(ji,jj,10) + zzoonh4 * ze3t
zw2d(ji,jj,11) = zw2d(ji,jj,11) + zzoodom * ze3t
zw2d(ji,jj,12) = zw2d(ji,jj,12) + znh4no3 * ze3t
zw2d(ji,jj,13) = zw2d(ji,jj,13) + zdomnh4 * ze3t
zw2d(ji,jj,14) = zw2d(ji,jj,14) + zdetnh4 * ze3t
zw2d(ji,jj,15) = zw2d(ji,jj,15) + ( zno3phy + znh4phy - zphynh4 - zphydom - zphyzoo - zphydet ) * ze3t
zw2d(ji,jj,16) = zw2d(ji,jj,16) + ( zphyzoo + zdetzoo - zzoodet - zzoobod - zzoonh4 - zzoodom ) * ze3t
zw2d(ji,jj,17) = zw2d(ji,jj,17) + zdetdom * ze3t
!
zw3d(ji,jj,jk,1) = zno3phy * 86400._wp
zw3d(ji,jj,jk,2) = znh4phy * 86400._wp
zw3d(ji,jj,jk,3) = znh4no3 * 86400._wp
!
ENDIF
END_2D
END DO
!
IF( lk_iomput ) THEN
CALL lbc_lnk( 'p2zbio', zw2d(:,:,:),'T', 1.0_wp )
CALL lbc_lnk( 'p2zbio', zw3d(:,:,:,1),'T', 1.0_wp, zw3d(:,:,:,2),'T', 1.0_wp, zw3d(:,:,:,3),'T', 1.0_wp )
! Save diagnostics
CALL iom_put( "TNO3PHY", zw2d(:,:,1) )
CALL iom_put( "TNH4PHY", zw2d(:,:,2) )
CALL iom_put( "TPHYDOM", zw2d(:,:,3) )
CALL iom_put( "TPHYNH4", zw2d(:,:,4) )
CALL iom_put( "TPHYZOO", zw2d(:,:,5) )
CALL iom_put( "TPHYDET", zw2d(:,:,6) )
CALL iom_put( "TDETZOO", zw2d(:,:,7) )
CALL iom_put( "TZOODET", zw2d(:,:,8) )
CALL iom_put( "TZOOBOD", zw2d(:,:,9) )
CALL iom_put( "TZOONH4", zw2d(:,:,10) )
CALL iom_put( "TZOODOM", zw2d(:,:,11) )
CALL iom_put( "TNH4NO3", zw2d(:,:,12) )
CALL iom_put( "TDOMNH4", zw2d(:,:,13) )
CALL iom_put( "TDETNH4", zw2d(:,:,14) )
CALL iom_put( "TPHYTOT", zw2d(:,:,15) )
CALL iom_put( "TZOOTOT", zw2d(:,:,16) )
!
CALL iom_put( "FNO3PHY", zw3d(:,:,:,1) )
CALL iom_put( "FNH4PHY", zw3d(:,:,:,2) )
CALL iom_put( "FNH4NO3", zw3d(:,:,:,3) )
!
ENDIF
IF(sn_cfctl%l_prttrc) THEN ! print mean trends (used for debugging)
WRITE(charout, FMT="('bio')")
CALL prt_ctl_info( charout, cdcomp = 'top' )
CALL prt_ctl(tab4d_1=tr(:,:,:,:,Krhs), mask1=tmask, clinfo=ctrcnm)
ENDIF
!
IF( lk_iomput ) DEALLOCATE( zw2d, zw3d )
!
IF( ln_timing ) CALL timing_stop('p2z_bio')
!
END SUBROUTINE p2z_bio
SUBROUTINE p2z_bio_init
!!----------------------------------------------------------------------
!! *** ROUTINE p2z_bio_init ***
!!
!! ** Purpose : biological parameters
!!
!! ** Method : Read namelist and check the parameters
!!
!!----------------------------------------------------------------------
INTEGER :: ios ! Local integer
!!
NAMELIST/namlobphy/ tmumax, rgamma, fphylab, tmminp, aki
NAMELIST/namlobnut/ akno3, aknh4, taunn, psinut
NAMELIST/namlobzoo/ rppz, taus, aks, rpnaz, rdnaz, tauzn, fzoolab, fdbod, tmminz
NAMELIST/namlobdet/ taudn, fdetlab
NAMELIST/namlobdom/ taudomn
!!----------------------------------------------------------------------
!
IF(lwp) WRITE(numout,*)
IF(lwp) WRITE(numout,*) ' p2z_bio_init : LOBSTER bio-model initialization'
IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~'
!
READ ( numnatp_ref, namlobphy, IOSTAT = ios, ERR = 901)
901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlobphy in reference namelist' )
READ ( numnatp_cfg, namlobphy, IOSTAT = ios, ERR = 902 )
902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namlobphy in configuration namelist' )
IF(lwm) WRITE ( numonp, namlobphy )
!
IF(lwp) THEN
WRITE(numout,*) ' Namelist namlobphy'
WRITE(numout,*) ' phyto max growth rate tmumax =', 86400 * tmumax, ' d'
WRITE(numout,*) ' phytoplankton exudation fraction rgamma =', rgamma
WRITE(numout,*) ' NH4 fraction of phytoplankton exsudation fphylab =', fphylab
WRITE(numout,*) ' minimal phyto mortality rate tmminp =', 86400 * tmminp
WRITE(numout,*) ' light hlaf saturation constant aki =', aki
ENDIF
READ ( numnatp_ref, namlobnut, IOSTAT = ios, ERR = 903)
903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlobnut in reference namelist' )
READ ( numnatp_cfg, namlobnut, IOSTAT = ios, ERR = 904 )
904 IF( ios > 0 ) CALL ctl_nam ( ios , 'namlobnut in configuration namelist' )
IF(lwm) WRITE ( numonp, namlobnut )
IF(lwp) THEN
WRITE(numout,*)
WRITE(numout,*) ' Namelist namlobnut'
WRITE(numout,*) ' half-saturation nutrient for no3 uptake akno3 =', akno3
WRITE(numout,*) ' half-saturation nutrient for nh4 uptake aknh4 =', aknh4
WRITE(numout,*) ' nitrification rate taunn =', taunn
WRITE(numout,*) ' inhibition of no3 uptake by nh4 psinut =', psinut
ENDIF
READ ( numnatp_ref, namlobzoo, IOSTAT = ios, ERR = 905)
905 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlobzoo in reference namelist' )
READ ( numnatp_cfg, namlobzoo, IOSTAT = ios, ERR = 906 )
906 IF( ios > 0 ) CALL ctl_nam ( ios , 'namlobzoo in configuration namelist' )
IF(lwm) WRITE ( numonp, namlobzoo )
IF(lwp) THEN
WRITE(numout,*)
WRITE(numout,*) ' Namelist namlobzoo'
WRITE(numout,*) ' zoo preference for phyto rppz =', rppz
WRITE(numout,*) ' maximal zoo grazing rate taus =', 86400 * taus, ' d'
WRITE(numout,*) ' half saturation constant for zoo food aks =', aks
WRITE(numout,*) ' non-assimilated phyto by zoo rpnaz =', rpnaz
WRITE(numout,*) ' non-assimilated detritus by zoo rdnaz =', rdnaz
WRITE(numout,*) ' zoo specific excretion rate tauzn =', 86400 * tauzn
WRITE(numout,*) ' minimal zoo mortality rate tmminz =', 86400 * tmminz
WRITE(numout,*) ' NH4 fraction of zooplankton excretion fzoolab =', fzoolab
WRITE(numout,*) ' Zooplankton mortality fraction that goes to detritus fdbod =', fdbod
ENDIF
READ ( numnatp_ref, namlobdet, IOSTAT = ios, ERR = 907)
907 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlobdet in reference namelist' )
READ ( numnatp_cfg, namlobdet, IOSTAT = ios, ERR = 908 )
908 IF( ios > 0 ) CALL ctl_nam ( ios , 'namlobdet in configuration namelist' )
IF(lwm) WRITE ( numonp, namlobdet )
IF(lwp) THEN
WRITE(numout,*)
WRITE(numout,*) ' Namelist namlobdet'
WRITE(numout,*) ' detrital breakdown rate taudn =', 86400 * taudn , ' d'
WRITE(numout,*) ' NH4 fraction of detritus dissolution fdetlab =', fdetlab
ENDIF
READ ( numnatp_ref, namlobdom, IOSTAT = ios, ERR = 909)
909 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlobdom in reference namelist' )
READ ( numnatp_cfg, namlobdom, IOSTAT = ios, ERR = 910 )
910 IF( ios > 0 ) CALL ctl_nam ( ios , 'namlobdom in configuration namelist' )
IF(lwm) WRITE ( numonp, namlobdom )
IF(lwp) THEN
WRITE(numout,*)
WRITE(numout,*) ' Namelist namlobdom'
WRITE(numout,*) ' DOM breakdown rate taudomn =', 86400 * taudn , ' d'
ENDIF
!
END SUBROUTINE p2z_bio_init
!!======================================================================
END MODULE p2zbio