MODULE p2zsed !!====================================================================== !! *** MODULE p2zsed *** !! TOP : PISCES Compute loss of organic matter in the sediments !!====================================================================== !! History : - ! 1995-06 (M. Levy) original code !! - ! 2000-12 (E. Kestenare) clean up !! 2.0 ! 2007-12 (C. Deltel, G. Madec) F90 + simplifications !!---------------------------------------------------------------------- #if defined key_pisces_reduced !!---------------------------------------------------------------------- !! 'key_pisces_reduced' LOBSTER bio-model !!---------------------------------------------------------------------- !! p2z_sed : Compute loss of organic matter in the sediments !!---------------------------------------------------------------------- USE oce_trc ! USE trc USE sms_pisces USE lbclnk USE trd_oce USE trdtrc USE iom USE prtctl_trc ! Print control for debbuging IMPLICIT NONE PRIVATE PUBLIC p2z_sed ! called in ??? PUBLIC p2z_sed_init ! called in ??? REAL(wp), PUBLIC :: sedlam !: time coefficient of POC remineralization in sediments REAL(wp), PUBLIC :: sedlostpoc ! mass of POC lost in sediments REAL(wp), PUBLIC :: vsed ! detritus sedimentation speed [m/s] REAL(wp), PUBLIC :: xhr ! coeff for martin''s remineralisation profile !!* Substitution # include "top_substitute.h90" !!---------------------------------------------------------------------- !! NEMO/TOP 3.3 , NEMO Consortium (2010) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE p2z_sed( kt ) !!--------------------------------------------------------------------- !! *** ROUTINE p2z_sed *** !! !! ** Purpose : compute the now trend due to the vertical sedimentation of !! detritus and add it to the general trend of detritus equations !! !! ** Method : this ROUTINE compute not exactly the advection but the !! transport term, i.e. dz(wt) and dz(ws)., dz(wtr) !! using an upstream scheme !! the now vertical advection of tracers is given by: !! dz(trn wn) = 1/bt dk+1( e1t e2t vsed (trn) ) !! add this trend now to the general trend of tracer (ta,sa,tra): !! tra = tra + dz(trn wn) !! !! IF 'key_diabio' is defined, the now vertical advection !! trend of passive tracers is saved for futher diagnostics. !!--------------------------------------------------------------------- !! INTEGER, INTENT( in ) :: kt ! ocean time-step index !! INTEGER :: ji, jj, jk, jl, ierr CHARACTER (len=25) :: charout REAL(wp), POINTER, DIMENSION(:,: ) :: zw2d REAL(wp), POINTER, DIMENSION(:,:,:) :: zwork, ztra, ztrbio !!--------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('p2z_sed') ! IF( kt == nittrc000 ) THEN IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' p2z_sed: LOBSTER sedimentation' IF(lwp) WRITE(numout,*) ' ~~~~~~~' ENDIF ! Allocate temporary workspace CALL wrk_alloc( jpi, jpj, jpk, zwork, ztra ) IF( l_trdtrc ) THEN CALL wrk_alloc( jpi, jpj, jpk, ztrbio ) ztrbio(:,:,:) = tra(:,:,:,jpdet) ENDIF ! sedimentation of detritus : upstream scheme ! -------------------------------------------- ! for detritus sedimentation only - jpdet zwork(:,:,1 ) = 0.e0 ! surface value set to zero zwork(:,:,jpk) = 0.e0 ! bottom value set to zero ! tracer flux at w-point: we use -vsed (downward flux) with simplification : no e1*e2 DO jk = 2, jpkm1 zwork(:,:,jk) = -vsed * trn(:,:,jk-1,jpdet) END DO ! tracer flux divergence at t-point added to the general trend DO jk = 1, jpkm1 DO jj = 1, jpj DO ji = 1, jpi ztra(ji,jj,jk) = - ( zwork(ji,jj,jk) - zwork(ji,jj,jk+1) ) / fse3t(ji,jj,jk) tra(ji,jj,jk,jpdet) = tra(ji,jj,jk,jpdet) + ztra(ji,jj,jk) END DO END DO END DO IF( lk_iomput ) THEN IF( iom_use( "TDETSED" ) ) THEN CALL wrk_alloc( jpi, jpj, zw2d ) zw2d(:,:) = ztra(:,:,1) * fse3t(:,:,1) * 86400. DO jk = 2, jpkm1 zw2d(:,:) = zw2d(:,:) + ztra(:,:,jk) * fse3t(:,:,jk) * 86400. END DO CALL iom_put( "TDETSED", zw2d ) CALL wrk_dealloc( jpi, jpj, zw2d ) ENDIF ELSE IF( ln_diatrc ) THEN CALL wrk_alloc( jpi, jpj, zw2d ) zw2d(:,:) = ztra(:,:,1) * fse3t(:,:,1) * 86400. DO jk = 2, jpkm1 zw2d(:,:) = zw2d(:,:) + ztra(:,:,jk) * fse3t(:,:,jk) * 86400. END DO trc2d(:,:,jp_pcs0_2d + 7) = zw2d(:,:) CALL wrk_dealloc( jpi, jpj, zw2d ) ENDIF ENDIF ! IF( ln_diabio .AND. .NOT. lk_iomput ) trbio(:,:,:,jp_pcs0_trd + 7) = ztra(:,:,:) CALL wrk_dealloc( jpi, jpj, jpk, zwork, ztra ) ! IF( l_trdtrc ) THEN ztrbio(:,:,:) = tra(:,:,:,jpdet) - ztrbio(:,:,:) jl = jp_pcs0_trd + 7 CALL trd_trc( ztrbio, jl, kt ) ! handle the trend CALL wrk_dealloc( jpi, jpj, jpk, ztrbio ) ENDIF IF(ln_ctl) THEN ! print mean trends (used for debugging) WRITE(charout, FMT="('sed')") CALL prt_ctl_trc_info(charout) CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) ENDIF ! IF( nn_timing == 1 ) CALL timing_stop('p2z_sed') ! END SUBROUTINE p2z_sed SUBROUTINE p2z_sed_init !!---------------------------------------------------------------------- !! *** ROUTINE p2z_sed_init *** !! !! ** Purpose : Parameters from aphotic layers to sediment !! !! ** Method : Read the namlobsed namelist and check the parameters !! !!---------------------------------------------------------------------- NAMELIST/namlobsed/ sedlam, sedlostpoc, vsed, xhr INTEGER :: ios ! Local integer output status for namelist read REWIND( numnatp_ref ) ! Namelist namlobsed in reference namelist : Lobster sediments READ ( numnatp_ref, namlobsed, IOSTAT = ios, ERR = 901) 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlosed in reference namelist', lwp ) REWIND( numnatp_cfg ) ! Namelist namlobsed in configuration namelist : Lobster sediments READ ( numnatp_cfg, namlobsed, IOSTAT = ios, ERR = 902 ) 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namlobsed in configuration namelist', lwp ) IF(lwm) WRITE ( numonp, namlobsed ) IF(lwp) THEN WRITE(numout,*) ' Namelist namlobsed' WRITE(numout,*) ' time coeff of POC in sediments sedlam =', sedlam WRITE(numout,*) ' Sediment geol loss for POC sedlostpoc=', sedlostpoc WRITE(numout,*) ' detritus sedimentation speed vsed =', 86400 * vsed , ' d' WRITE(numout,*) ' coeff for martin''s remineralistion xhr =', xhr WRITE(numout,*) ' ' ENDIF ! END SUBROUTINE p2z_sed_init #else !!====================================================================== !! Dummy module : No PISCES bio-model !!====================================================================== CONTAINS SUBROUTINE p2z_sed( kt ) ! Empty routine INTEGER, INTENT( in ) :: kt WRITE(*,*) 'p2z_sed: You should not have seen this print! error?', kt END SUBROUTINE p2z_sed #endif !!====================================================================== END MODULE p2zsed