MODULE p4zsms !!====================================================================== !! *** MODULE p4zsms *** !! TOP : PISCES Source Minus Sink manager !!====================================================================== !! History : 1.0 ! 2004-03 (O. Aumont) Original code !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 !!---------------------------------------------------------------------- !! p4z_sms : Time loop of passive tracers sms !!---------------------------------------------------------------------- USE oce_trc ! shared variables between ocean and passive tracers USE trc ! passive tracers common variables USE trcdta ! USE sms_pisces ! PISCES Source Minus Sink variables USE p4zbio ! Biological model USE p4zche ! Chemical model USE p4zlys ! Calcite saturation USE p4zflx ! Gas exchange USE p4zsbc ! External source of nutrients USE p4zsed ! Sedimentation USE p4zint ! time interpolation USE p4zrem ! remineralisation USE iom ! I/O manager USE trd_oce ! Ocean trends variables USE trdtrc ! TOP trends variables USE sedmodel ! Sediment model USE prtctl_trc ! print control for debugging IMPLICIT NONE PRIVATE PUBLIC p4z_sms_init ! called in p4zsms.F90 PUBLIC p4z_sms ! called in p4zsms.F90 INTEGER :: numco2, numnut, numnit ! logical unit for co2 budget REAL(wp) :: alkbudget, no3budget, silbudget, ferbudget, po4budget REAL(wp) :: xfact1, xfact2, xfact3 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnegtr ! Array used to indicate negative tracer values !!---------------------------------------------------------------------- !! NEMO/TOP 4.0 , NEMO Consortium (2018) !! $Id$ !! Software governed by the CeCILL license (see ./LICENSE) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE p4z_sms( kt ) !!--------------------------------------------------------------------- !! *** ROUTINE p4z_sms *** !! !! ** Purpose : Managment of the call to Biological sources and sinks !! routines of PISCES bio-model !! !! ** Method : - at each new day ... !! - several calls of bio and sed ??? !! - ... !!--------------------------------------------------------------------- ! INTEGER, INTENT( in ) :: kt ! ocean time-step index !! INTEGER :: ji, jj, jk, jnt, jn, jl REAL(wp) :: ztra CHARACTER (len=25) :: charout !!--------------------------------------------------------------------- ! IF( ln_timing ) CALL timing_start('p4z_sms') ! IF( kt == nittrc000 ) THEN ! ALLOCATE( xnegtr(jpi,jpj,jpk) ) ! IF( .NOT. ln_rsttr ) THEN CALL p4z_che ! initialize the chemical constants CALL ahini_for_at(hi) ! set PH at kt=nit000 ELSE CALL p4z_rst( nittrc000, 'READ' ) !* read or initialize all required fields ENDIF ! ENDIF ! IF( ln_pisdmp .AND. MOD( kt - nn_dttrc, nn_pisdmp ) == 0 ) CALL p4z_dmp( kt ) ! Relaxation of some tracers ! rfact = r2dttrc ! IF( ( ln_top_euler .AND. kt == nittrc000 ) .OR. ( .NOT.ln_top_euler .AND. kt <= nittrc000 + nn_dttrc ) ) THEN rfactr = 1. / rfact rfact2 = rfact / REAL( nrdttrc, wp ) rfact2r = 1. / rfact2 xstep = rfact2 / rday ! Time step duration for biology IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' Passive Tracer time step rfact = ', rfact, ' rdt = ', rdt IF(lwp) write(numout,*) ' PISCES Biology time step rfact2 = ', rfact2 IF(lwp) WRITE(numout,*) ENDIF IF( ( neuler == 0 .AND. kt == nittrc000 ) .OR. ln_top_euler ) THEN DO jn = jp_pcs0, jp_pcs1 ! SMS on tracer without Asselin time-filter trb(:,:,:,jn) = trn(:,:,:,jn) END DO ENDIF ! IF( ll_sbc ) CALL p4z_sbc( kt ) ! external sources of nutrients ! #if ! defined key_sed_off CALL p4z_che ! computation of chemical constants CALL p4z_int( kt ) ! computation of various rates for biogeochemistry ! DO jnt = 1, nrdttrc ! Potential time splitting if requested ! CALL p4z_bio( kt, jnt ) ! Biology CALL p4z_lys( kt, jnt ) ! Compute CaCO3 saturation CALL p4z_sed( kt, jnt ) ! Surface and Bottom boundary conditions CALL p4z_flx( kt, jnt ) ! Compute surface fluxes ! xnegtr(:,:,:) = 1.e0 DO jn = jp_pcs0, jp_pcs1 DO jk = 1, jpk DO jj = 1, jpj DO ji = 1, jpi IF( ( trb(ji,jj,jk,jn) + tra(ji,jj,jk,jn) ) < 0.e0 ) THEN ztra = ABS( trb(ji,jj,jk,jn) ) / ( ABS( tra(ji,jj,jk,jn) ) + rtrn ) xnegtr(ji,jj,jk) = MIN( xnegtr(ji,jj,jk), ztra ) ENDIF END DO END DO END DO END DO ! ! where at least 1 tracer concentration becomes negative ! ! DO jn = jp_pcs0, jp_pcs1 trb(:,:,:,jn) = trb(:,:,:,jn) + xnegtr(:,:,:) * tra(:,:,:,jn) END DO ! DO jn = jp_pcs0, jp_pcs1 tra(:,:,:,jn) = 0._wp END DO ! IF( ln_top_euler ) THEN DO jn = jp_pcs0, jp_pcs1 trn(:,:,:,jn) = trb(:,:,:,jn) END DO ENDIF END DO ! IF( l_trdtrc ) THEN DO jn = jp_pcs0, jp_pcs1 CALL trd_trc( tra(:,:,:,jn), jn, jptra_sms, kt ) ! save trends END DO END IF #endif ! IF( ln_sediment ) THEN ! CALL sed_model( kt ) ! Main program of Sediment model ! IF( ln_top_euler ) THEN DO jn = jp_pcs0, jp_pcs1 trn(:,:,:,jn) = trb(:,:,:,jn) END DO ENDIF ! ENDIF ! IF( lrst_trc ) CALL p4z_rst( kt, 'WRITE' ) !* Write PISCES informations in restart file ! IF( lk_iomput .OR. ln_check_mass ) CALL p4z_chk_mass( kt ) ! Mass conservation checking IF( lwm .AND. kt == nittrc000 ) CALL FLUSH( numonp ) ! flush output namelist PISCES ! IF( ln_timing ) CALL timing_stop('p4z_sms') ! END SUBROUTINE p4z_sms SUBROUTINE p4z_sms_init !!---------------------------------------------------------------------- !! *** p4z_sms_init *** !! !! ** Purpose : read PISCES namelist !! !! ** input : file 'namelist.trc.s' containing the following !! namelist: natext, natbio, natsms !!---------------------------------------------------------------------- INTEGER :: ios ! Local integer output status for namelist read !! NAMELIST/nampisbio/ nrdttrc, wsbio, xkmort, ferat3, wsbio2, wsbio2max, wsbio2scale, & & wfep, ldocp, ldocz, lthet, & & no3rat3, po4rat3 ! NAMELIST/nampisdmp/ ln_pisdmp, nn_pisdmp NAMELIST/nampismass/ ln_check_mass !!---------------------------------------------------------------------- ! IF(lwp) THEN WRITE(numout,*) WRITE(numout,*) 'p4z_sms_init : PISCES initialization' WRITE(numout,*) '~~~~~~~~~~~~' ENDIF REWIND( numnatp_ref ) ! Namelist nampisbio in reference namelist : Pisces variables READ ( numnatp_ref, nampisbio, IOSTAT = ios, ERR = 901) 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisbio in reference namelist', lwp ) REWIND( numnatp_cfg ) ! Namelist nampisbio in configuration namelist : Pisces variables READ ( numnatp_cfg, nampisbio, IOSTAT = ios, ERR = 902 ) 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampisbio in configuration namelist', lwp ) IF(lwm) WRITE( numonp, nampisbio ) ! IF(lwp) THEN ! control print WRITE(numout,*) ' Namelist : nampisbio' WRITE(numout,*) ' frequency for the biology nrdttrc =', nrdttrc WRITE(numout,*) ' POC sinking speed wsbio =', wsbio WRITE(numout,*) ' half saturation constant for mortality xkmort =', xkmort IF( ln_p5z ) THEN WRITE(numout,*) ' N/C in zooplankton no3rat3 =', no3rat3 WRITE(numout,*) ' P/C in zooplankton po4rat3 =', po4rat3 ENDIF WRITE(numout,*) ' Fe/C in zooplankton ferat3 =', ferat3 WRITE(numout,*) ' Big particles sinking speed wsbio2 =', wsbio2 WRITE(numout,*) ' Big particles maximum sinking speed wsbio2max =', wsbio2max WRITE(numout,*) ' Big particles sinking speed length scale wsbio2scale =', wsbio2scale IF( ln_ligand ) THEN WRITE(numout,*) ' FeP sinking speed wfep =', wfep IF( ln_p4z ) THEN WRITE(numout,*) ' Phyto ligand production per unit doc ldocp =', ldocp WRITE(numout,*) ' Zoo ligand production per unit doc ldocz =', ldocz WRITE(numout,*) ' Proportional loss of ligands due to Fe uptake lthet =', lthet ENDIF ENDIF ENDIF REWIND( numnatp_ref ) ! Namelist nampisdmp in reference namelist : Pisces damping READ ( numnatp_ref, nampisdmp, IOSTAT = ios, ERR = 905) 905 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisdmp in reference namelist', lwp ) REWIND( numnatp_cfg ) ! Namelist nampisdmp in configuration namelist : Pisces damping READ ( numnatp_cfg, nampisdmp, IOSTAT = ios, ERR = 906 ) 906 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampisdmp in configuration namelist', lwp ) IF(lwm) WRITE( numonp, nampisdmp ) ! IF(lwp) THEN ! control print WRITE(numout,*) WRITE(numout,*) ' Namelist : nampisdmp --- relaxation to GLODAP' WRITE(numout,*) ' Relaxation of tracer to glodap mean value ln_pisdmp =', ln_pisdmp WRITE(numout,*) ' Frequency of Relaxation nn_pisdmp =', nn_pisdmp ENDIF REWIND( numnatp_ref ) ! Namelist nampismass in reference namelist : Pisces mass conservation check READ ( numnatp_ref, nampismass, IOSTAT = ios, ERR = 907) 907 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampismass in reference namelist', lwp ) REWIND( numnatp_cfg ) ! Namelist nampismass in configuration namelist : Pisces mass conservation check READ ( numnatp_cfg, nampismass, IOSTAT = ios, ERR = 908 ) 908 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampismass in configuration namelist', lwp ) IF(lwm) WRITE( numonp, nampismass ) IF(lwp) THEN ! control print WRITE(numout,*) WRITE(numout,*) ' Namelist : nampismass --- mass conservation checking' WRITE(numout,*) ' Flag to check mass conservation of NO3/Si/TALK ln_check_mass = ', ln_check_mass ENDIF ! END SUBROUTINE p4z_sms_init SUBROUTINE p4z_rst( kt, cdrw ) !!--------------------------------------------------------------------- !! *** ROUTINE p4z_rst *** !! !! ** Purpose : Read or write variables in restart file: !! !! WRITE(READ) mode: !! kt : number of time step since the begining of the experiment at the !! end of the current(previous) run !!--------------------------------------------------------------------- INTEGER , INTENT(in) :: kt ! ocean time-step CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag !!--------------------------------------------------------------------- ! IF( TRIM(cdrw) == 'READ' ) THEN ! IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' p4z_rst : Read specific variables from pisces model ' IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~' ! IF( iom_varid( numrtr, 'PH', ldstop = .FALSE. ) > 0 ) THEN CALL iom_get( numrtr, jpdom_autoglo, 'PH' , hi(:,:,:) ) ELSE CALL p4z_che ! initialize the chemical constants CALL ahini_for_at(hi) ENDIF CALL iom_get( numrtr, jpdom_autoglo, 'Silicalim', xksi(:,:) ) IF( iom_varid( numrtr, 'Silicamax', ldstop = .FALSE. ) > 0 ) THEN CALL iom_get( numrtr, jpdom_autoglo, 'Silicamax' , xksimax(:,:) ) ELSE xksimax(:,:) = xksi(:,:) ENDIF ! IF( iom_varid( numrtr, 'tcflxcum', ldstop = .FALSE. ) > 0 ) THEN ! cumulative total flux of carbon CALL iom_get( numrtr, 'tcflxcum' , t_oce_co2_flx_cum ) ELSE t_oce_co2_flx_cum = 0._wp ENDIF ! IF( ln_p5z ) THEN IF( iom_varid( numrtr, 'sized', ldstop = .FALSE. ) > 0 ) THEN CALL iom_get( numrtr, jpdom_autoglo, 'sizep' , sizep(:,:,:) ) CALL iom_get( numrtr, jpdom_autoglo, 'sizen' , sizen(:,:,:) ) CALL iom_get( numrtr, jpdom_autoglo, 'sized' , sized(:,:,:) ) ELSE sizep(:,:,:) = 1. sizen(:,:,:) = 1. sized(:,:,:) = 1. ENDIF ENDIF ! ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN IF( kt == nitrst ) THEN IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) 'p4z_rst : write pisces restart file kt =', kt IF(lwp) WRITE(numout,*) '~~~~~~~' ENDIF CALL iom_rstput( kt, nitrst, numrtw, 'PH', hi(:,:,:) ) CALL iom_rstput( kt, nitrst, numrtw, 'Silicalim', xksi(:,:) ) CALL iom_rstput( kt, nitrst, numrtw, 'Silicamax', xksimax(:,:) ) CALL iom_rstput( kt, nitrst, numrtw, 'tcflxcum', t_oce_co2_flx_cum ) IF( ln_p5z ) THEN CALL iom_rstput( kt, nitrst, numrtw, 'sizep', sizep(:,:,:) ) CALL iom_rstput( kt, nitrst, numrtw, 'sizen', sizen(:,:,:) ) CALL iom_rstput( kt, nitrst, numrtw, 'sized', sized(:,:,:) ) ENDIF ENDIF ! END SUBROUTINE p4z_rst SUBROUTINE p4z_dmp( kt ) !!---------------------------------------------------------------------- !! *** p4z_dmp *** !! !! ** purpose : Relaxation of some tracers !!---------------------------------------------------------------------- ! INTEGER, INTENT( in ) :: kt ! time step ! REAL(wp) :: alkmean = 2426. ! mean value of alkalinity ( Glodap ; for Goyet 2391. ) REAL(wp) :: po4mean = 2.165 ! mean value of phosphates REAL(wp) :: no3mean = 30.90 ! mean value of nitrate REAL(wp) :: silmean = 91.51 ! mean value of silicate ! REAL(wp) :: zarea, zalksumn, zpo4sumn, zno3sumn, zsilsumn REAL(wp) :: zalksumb, zpo4sumb, zno3sumb, zsilsumb !!--------------------------------------------------------------------- IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' p4z_dmp : Restoring of nutrients at time-step kt = ', kt IF(lwp) WRITE(numout,*) IF( cn_cfg == "ORCA" .OR. cn_cfg == "orca") THEN IF( .NOT. lk_c1d ) THEN ! ORCA configuration (not 1D) ! ! ! --------------------------- ! ! set total alkalinity, phosphate, nitrate & silicate zarea = 1._wp / glob_sum( 'p4zsms', cvol(:,:,:) ) * 1e6 zalksumn = glob_sum( 'p4zsms', trn(:,:,:,jptal) * cvol(:,:,:) ) * zarea zpo4sumn = glob_sum( 'p4zsms', trn(:,:,:,jppo4) * cvol(:,:,:) ) * zarea * po4r zno3sumn = glob_sum( 'p4zsms', trn(:,:,:,jpno3) * cvol(:,:,:) ) * zarea * rno3 zsilsumn = glob_sum( 'p4zsms', trn(:,:,:,jpsil) * cvol(:,:,:) ) * zarea IF(lwp) WRITE(numout,*) ' TALKN mean : ', zalksumn trn(:,:,:,jptal) = trn(:,:,:,jptal) * alkmean / zalksumn IF(lwp) WRITE(numout,*) ' PO4N mean : ', zpo4sumn trn(:,:,:,jppo4) = trn(:,:,:,jppo4) * po4mean / zpo4sumn IF(lwp) WRITE(numout,*) ' NO3N mean : ', zno3sumn trn(:,:,:,jpno3) = trn(:,:,:,jpno3) * no3mean / zno3sumn IF(lwp) WRITE(numout,*) ' SiO3N mean : ', zsilsumn trn(:,:,:,jpsil) = MIN( 400.e-6,trn(:,:,:,jpsil) * silmean / zsilsumn ) ! ! IF( .NOT. ln_top_euler ) THEN zalksumb = glob_sum( 'p4zsms', trb(:,:,:,jptal) * cvol(:,:,:) ) * zarea zpo4sumb = glob_sum( 'p4zsms', trb(:,:,:,jppo4) * cvol(:,:,:) ) * zarea * po4r zno3sumb = glob_sum( 'p4zsms', trb(:,:,:,jpno3) * cvol(:,:,:) ) * zarea * rno3 zsilsumb = glob_sum( 'p4zsms', trb(:,:,:,jpsil) * cvol(:,:,:) ) * zarea IF(lwp) WRITE(numout,*) ' ' IF(lwp) WRITE(numout,*) ' TALKB mean : ', zalksumb trb(:,:,:,jptal) = trb(:,:,:,jptal) * alkmean / zalksumb IF(lwp) WRITE(numout,*) ' PO4B mean : ', zpo4sumb trb(:,:,:,jppo4) = trb(:,:,:,jppo4) * po4mean / zpo4sumb IF(lwp) WRITE(numout,*) ' NO3B mean : ', zno3sumb trb(:,:,:,jpno3) = trb(:,:,:,jpno3) * no3mean / zno3sumb IF(lwp) WRITE(numout,*) ' SiO3B mean : ', zsilsumb trb(:,:,:,jpsil) = MIN( 400.e-6,trb(:,:,:,jpsil) * silmean / zsilsumb ) ENDIF ENDIF ! ENDIF ! END SUBROUTINE p4z_dmp SUBROUTINE p4z_chk_mass( kt ) !!---------------------------------------------------------------------- !! *** ROUTINE p4z_chk_mass *** !! !! ** Purpose : Mass conservation check !! !!--------------------------------------------------------------------- INTEGER, INTENT( in ) :: kt ! ocean time-step index REAL(wp) :: zrdenittot, zsdenittot, znitrpottot CHARACTER(LEN=100) :: cltxt INTEGER :: jk REAL(wp), DIMENSION(jpi,jpj,jpk) :: zwork !!---------------------------------------------------------------------- ! IF( kt == nittrc000 ) THEN xfact1 = rfact2r * 12. / 1.e15 * ryyss ! conversion molC/kt --> PgC/yr xfact2 = 1.e+3 * rno3 * 14. / 1.e12 * ryyss ! conversion molC/l/s ----> TgN/m3/yr xfact3 = 1.e+3 * rfact2r * rno3 ! conversion molC/l/kt ----> molN/m3/s IF( ln_check_mass .AND. lwp) THEN ! Open budget file of NO3, ALK, Si, Fer CALL ctl_opn( numco2, 'carbon.budget' , 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea ) CALL ctl_opn( numnut, 'nutrient.budget', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea ) CALL ctl_opn( numnit, 'nitrogen.budget', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea ) cltxt='time-step Alkalinity Nitrate Phosphorus Silicate Iron' IF( lwp ) WRITE(numnut,*) TRIM(cltxt) IF( lwp ) WRITE(numnut,*) ENDIF ENDIF IF( iom_use( "pno3tot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN ! Compute the budget of NO3, ALK, Si, Fer IF( ln_p4z ) THEN zwork(:,:,:) = trn(:,:,:,jpno3) + trn(:,:,:,jpnh4) & & + trn(:,:,:,jpphy) + trn(:,:,:,jpdia) & & + trn(:,:,:,jppoc) + trn(:,:,:,jpgoc) + trn(:,:,:,jpdoc) & & + trn(:,:,:,jpzoo) + trn(:,:,:,jpmes) ELSE zwork(:,:,:) = trn(:,:,:,jpno3) + trn(:,:,:,jpnh4) + trn(:,:,:,jpnph) & & + trn(:,:,:,jpndi) + trn(:,:,:,jpnpi) & & + trn(:,:,:,jppon) + trn(:,:,:,jpgon) + trn(:,:,:,jpdon) & & + ( trn(:,:,:,jpzoo) + trn(:,:,:,jpmes) ) * no3rat3 ENDIF ! no3budget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) ) no3budget = no3budget / areatot CALL iom_put( "pno3tot", no3budget ) ENDIF ! IF( iom_use( "ppo4tot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN IF( ln_p4z ) THEN zwork(:,:,:) = trn(:,:,:,jppo4) & & + trn(:,:,:,jpphy) + trn(:,:,:,jpdia) & & + trn(:,:,:,jppoc) + trn(:,:,:,jpgoc) + trn(:,:,:,jpdoc) & & + trn(:,:,:,jpzoo) + trn(:,:,:,jpmes) ELSE zwork(:,:,:) = trn(:,:,:,jppo4) + trn(:,:,:,jppph) & & + trn(:,:,:,jppdi) + trn(:,:,:,jpppi) & & + trn(:,:,:,jppop) + trn(:,:,:,jpgop) + trn(:,:,:,jpdop) & & + ( trn(:,:,:,jpzoo) + trn(:,:,:,jpmes) ) * po4rat3 ENDIF ! po4budget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) ) po4budget = po4budget / areatot CALL iom_put( "ppo4tot", po4budget ) ENDIF ! IF( iom_use( "psiltot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN zwork(:,:,:) = trn(:,:,:,jpsil) + trn(:,:,:,jpgsi) + trn(:,:,:,jpdsi) ! silbudget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) ) silbudget = silbudget / areatot CALL iom_put( "psiltot", silbudget ) ENDIF ! IF( iom_use( "palktot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN zwork(:,:,:) = trn(:,:,:,jpno3) * rno3 + trn(:,:,:,jptal) + trn(:,:,:,jpcal) * 2. ! alkbudget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) ) ! alkbudget = alkbudget / areatot CALL iom_put( "palktot", alkbudget ) ENDIF ! IF( iom_use( "pfertot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN zwork(:,:,:) = trn(:,:,:,jpfer) + trn(:,:,:,jpnfe) + trn(:,:,:,jpdfe) & & + trn(:,:,:,jpbfe) + trn(:,:,:,jpsfe) & & + ( trn(:,:,:,jpzoo) + trn(:,:,:,jpmes) ) * ferat3 IF( ln_ligand) zwork(:,:,:) = zwork(:,:,:) + trn(:,:,:,jpfep) ! ferbudget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) ) ferbudget = ferbudget / areatot CALL iom_put( "pfertot", ferbudget ) ENDIF ! ! Global budget of N SMS : denitrification in the water column and in the sediment ! nitrogen fixation by the diazotrophs ! -------------------------------------------------------------------------------- IF( iom_use( "tnfix" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN znitrpottot = glob_sum ( 'p4zsms', nitrpot(:,:,:) * nitrfix * cvol(:,:,:) ) CALL iom_put( "tnfix" , znitrpottot * xfact3 ) ! Global nitrogen fixation molC/l to molN/m3 ENDIF ! IF( iom_use( "tdenit" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN zrdenittot = glob_sum ( 'p4zsms', denitr(:,:,:) * rdenit * xnegtr(:,:,:) * cvol(:,:,:) ) zsdenittot = glob_sum ( 'p4zsms', sdenit(:,:) * e1e2t(:,:) * tmask(:,:,1) ) CALL iom_put( "tdenit" , ( zrdenittot + zsdenittot ) * xfact3 ) ! Total denitrification molC/l to molN/m3 ENDIF ! IF( ln_check_mass .AND. kt == nitend ) THEN ! Compute the budget of NO3, ALK, Si, Fer t_atm_co2_flx = t_atm_co2_flx / glob_sum( 'p4zsms', e1e2t(:,:) ) t_oce_co2_flx = t_oce_co2_flx * xfact1 * (-1 ) tpp = tpp * 1000. * xfact1 t_oce_co2_exp = t_oce_co2_exp * 1000. * xfact1 IF( lwp ) WRITE(numco2,9000) ndastp, t_atm_co2_flx, t_oce_co2_flx, tpp, t_oce_co2_exp IF( lwp ) WRITE(numnut,9100) ndastp, alkbudget * 1.e+06, & & no3budget * rno3 * 1.e+06, & & po4budget * po4r * 1.e+06, & & silbudget * 1.e+06, & & ferbudget * 1.e+09 ! IF( lwp ) WRITE(numnit,9200) ndastp, znitrpottot * xfact2 , & & zrdenittot * xfact2 , & & zsdenittot * xfact2 ENDIF ! 9000 FORMAT(i8,f10.5,e18.10,f10.5,f10.5) 9100 FORMAT(i8,5e18.10) 9200 FORMAT(i8,3f10.5) ! END SUBROUTINE p4z_chk_mass !!====================================================================== END MODULE p4zsms