MODULE seddta !!====================================================================== !! *** MODULE seddta *** !! Sediment data : read sediment input data from a file !!===================================================================== !! * Modules used USE sed USE sedarr USE sedini USE phycst, ONLY : rday USE iom USE lib_mpp ! distribued memory computing library IMPLICIT NONE PRIVATE !! * Routine accessibility PUBLIC sed_dta ! !! * Module variables REAL(wp) :: conv2 ! [kg/m2/month]-->[g/cm2/s] ( 1 month has 30 days ) !! * Substitutions # include "do_loop_substitute.h90" # include "domzgr_substitute.h90" CONTAINS !!--------------------------------------------------------------------------- !! sed_dta : read the NetCDF data file in online version using module iom !!--------------------------------------------------------------------------- SUBROUTINE sed_dta( kt, Kbb, Kmm ) !!---------------------------------------------------------------------- !! *** ROUTINE sed_dta *** !! !! ** Purpose : Reads data from a netcdf file and !! initialization of rain and pore water (k=1) components !! !! !! History : !! ! 04-10 (N. Emprin, M. Gehlen ) Original code !! ! 06-04 (C. Ethe) Re-organization ; Use of iom !!---------------------------------------------------------------------- !! Arguments INTEGER, INTENT( in ) :: kt ! time-step INTEGER, INTENT( in ) :: Kbb, Kmm ! time level indices !! * Local declarations INTEGER :: ji, jj, js, jw, ikt REAL(wp), DIMENSION(jpoce) :: zdtap, zdtag REAL(wp), DIMENSION(jpi,jpj) :: zwsbio4, zwsbio3, zddust REAL(wp) :: zf0, zf1, zf2, zkapp, zratio, zdep REAL(wp) :: zzf0, zf0s, zf0b, zzf1, zf1s, zf1b, zzf2, zf2s, zf2b !---------------------------------------------------------------------- ! Initialization of sediment variable ! Spatial dimension is merged, and unity converted if needed !------------------------------------------------------------- IF( ln_timing ) CALL timing_start('sed_dta') IF (lwp) THEN WRITE(numsed,*) WRITE(numsed,*) ' sed_dta : Bottom layer fields' WRITE(numsed,*) ' ~~~~~~' WRITE(numsed,*) ' Data from SMS model' WRITE(numsed,*) ENDIF ! open file IF( kt == nitsed000 ) THEN IF (lwp) WRITE(numsed,*) ' sed_dta : Sediment fields' dtsed = rDt_trc conv2 = 1.0e+3 / 1.0e+4 ENDIF ! Initialization of temporaries arrays zdtap(:) = 0. zdtag(:) = 0. zddust(:,:) = 0.0 ! reading variables IF (lwp) WRITE(numsed,*) IF (lwp) WRITE(numsed,*) ' sed_dta : Bottom layer fields at time kt = ', kt ! reading variables ! ! Sinking speeds of detritus is increased with depth as shown ! by data and from the coagulation theory ! ----------------------------------------------------------- IF (ln_sediment_offline) THEN DO_2D( 0, 0, 0, 0 ) ikt = mbkt(ji,jj) zwsbio4(ji,jj) = wsbio2 / rday zwsbio3(ji,jj) = wsbio / rday END_2D ELSE DO_2D( 0, 0, 0, 0 ) ikt = mbkt(ji,jj) zdep = e3t(ji,jj,ikt,Kmm) / rDt_trc zwsbio4(ji,jj) = MIN( 0.99 * zdep, wsbio4(ji,jj,ikt) / rday ) zwsbio3(ji,jj) = MIN( 0.99 * zdep, wsbio3(ji,jj,ikt) / rday ) END_2D ENDIF trc_data(:,:,:) = 0. DO_2D( 0, 0, 0, 0 ) ikt = mbkt(ji,jj) IF ( tmask(ji,jj,ikt) == 1.0 ) THEN trc_data(ji,jj,jwsil) = tr(ji,jj,ikt,jpsil,Kbb) trc_data(ji,jj,jwoxy) = tr(ji,jj,ikt,jpoxy,Kbb) trc_data(ji,jj,jwdic) = tr(ji,jj,ikt,jpdic,Kbb) trc_data(ji,jj,jwno3) = tr(ji,jj,ikt,jpno3,Kbb) * redNo3 / redC trc_data(ji,jj,jwpo4) = tr(ji,jj,ikt,jppo4,Kbb) / redC trc_data(ji,jj,jwalk) = tr(ji,jj,ikt,jptal,Kbb) trc_data(ji,jj,jwnh4) = tr(ji,jj,ikt,jpnh4,Kbb) * redNo3 / redC trc_data(ji,jj,jwh2s) = 0.0 trc_data(ji,jj,jwso4) = 0.14 * ts(ji,jj,ikt,jp_sal,Kmm) / 1.80655 / 96.062 trc_data(ji,jj,jwfe2) = tr(ji,jj,ikt,jpfer,Kbb) trc_data(ji,jj,jwlgw) = 1E-9 trc_data(ji,jj,12 ) = MIN(tr(ji,jj,ikt,jpgsi,Kbb), 1E-4) * zwsbio4(ji,jj) * 1E3 trc_data(ji,jj,13 ) = MIN(tr(ji,jj,ikt,jppoc,Kbb), 1E-4) * zwsbio3(ji,jj) * 1E3 trc_data(ji,jj,14 ) = MIN(tr(ji,jj,ikt,jpgoc,Kbb), 1E-4) * zwsbio4(ji,jj) * 1E3 trc_data(ji,jj,15) = MIN(tr(ji,jj,ikt,jpcal,Kbb), 1E-4) * zwsbio4(ji,jj) * 1E3 trc_data(ji,jj,16) = ts(ji,jj,ikt,jp_tem,Kmm) trc_data(ji,jj,17) = ts(ji,jj,ikt,jp_sal,Kmm) trc_data(ji,jj,18 ) = ( tr(ji,jj,ikt,jpsfe,Kbb) * zwsbio3(ji,jj) + tr(ji,jj,ikt,jpbfe,Kbb) & & * zwsbio4(ji,jj) ) * 1E3 / ( trc_data(ji,jj,13 ) + trc_data(ji,jj,14 ) + rtrn ) trc_data(ji,jj,18 ) = MIN(1E-3, trc_data(ji,jj,18 ) ) ENDIF END_2D ! Pore water initial concentration [mol/l] in k=1 !------------------------------------------------- DO jw = 1, jpwat CALL pack_arr ( jpoce, pwcp_dta(1:jpoce,jw), trc_data(1:jpi,1:jpj,jw), iarroce(1:jpoce) ) END DO ! Solid components : !----------------------- ! Sinking fluxes for OPAL in mol.m-2.s-1 ; conversion in mol.cm-2.s-1 CALL pack_arr ( jpoce, rainrm_dta(1:jpoce,jsopal), trc_data(1:jpi,1:jpj,12), iarroce(1:jpoce) ) rainrm_dta(1:jpoce,jsopal) = rainrm_dta(1:jpoce,jsopal) * 1e-4 ! Sinking fluxes for POC in mol.m-2.s-1 ; conversion in mol.cm-2.s-1 CALL pack_arr ( jpoce, zdtap(1:jpoce), trc_data(1:jpi,1:jpj,13) , iarroce(1:jpoce) ) CALL pack_arr ( jpoce, zdtag(1:jpoce), trc_data(1:jpi,1:jpj,14) , iarroce(1:jpoce) ) DO ji = 1, jpoce zzf2 = 2E-2 zzf1 = 0.3 zzf0 = 1.0 - zzf1 - zzf2 zf0s = zzf0 zf1s = zzf1 zf2s = 1.0 - zf1s - zf0s zf0b = zzf0 zf1b = zzf1 zf2b = 1.0 - zf1b - zf0b rainrm_dta(ji,jspoc) = ( zdtap(ji) * zf0s + zdtag(ji) * zf0b ) * 1e-4 rainrm_dta(ji,jspos) = ( zdtap(ji) * zf1s + zdtag(ji) * zf1b ) * 1e-4 rainrm_dta(ji,jspor) = ( zdtap(ji) * zf2s + zdtag(ji) * zf2b ) * 1e-4 END DO ! Sinking fluxes for Calcite in mol.m-2.s-1 ; conversion in mol.cm-2.s-1 CALL pack_arr ( jpoce, rainrm_dta(1:jpoce,jscal), trc_data(1:jpi,1:jpj,15), iarroce(1:jpoce) ) rainrm_dta(1:jpoce,jscal) = rainrm_dta(1:jpoce,jscal) * 1e-4 ! vector temperature [°C] and salinity CALL pack_arr ( jpoce, temp(1:jpoce), trc_data(1:jpi,1:jpj,16), iarroce(1:jpoce) ) CALL pack_arr ( jpoce, salt(1:jpoce), trc_data(1:jpi,1:jpj,17), iarroce(1:jpoce) ) ! Clay rain rate in [mol/(cm**2.s)] ! inputs data in [kg.m-2.sec-1] ---> 1e+3/(1e+4) [g.cm-2.s-1] ! divided after by molecular weight g.mol-1 CALL pack_arr ( jpoce, rainrm_dta(1:jpoce,jsclay), dust(1:jpi,1:jpj), iarroce(1:jpoce) ) rainrm_dta(1:jpoce,jsclay) = rainrm_dta(1:jpoce,jsclay) * conv2 / mol_wgt(jsclay) & & + wacc(1:jpoce) * por1(2) * dens_sol(jsclay) / mol_wgt(jsclay) / ( rday * 365.0 ) rainrm_dta(1:jpoce,jsfeo) = rainrm_dta(1:jpoce,jsclay) * mol_wgt(jsclay) / mol_wgt(jsfeo) * 0.035 * 0.5 rainrm_dta(1:jpoce,jsclay) = rainrm_dta(1:jpoce,jsclay) * ( 1.0 - 0.035 * 0.5 ) CALL unpack_arr ( jpoce, zddust(1:jpi,1:jpj), iarroce(1:jpoce), wacc(1:jpoce) ) zddust(:,:) = dust(:,:) + zddust(:,:) / ( rday * 365.0 ) * por1(2) * dens_sol(jsclay) / conv2 ! rainrm_dta(1:jpoce,jsclay) = 1.0E-4 * conv2 / mol_wgt(jsclay) ! Iron monosulphide rain rates. Set to 0 rainrm_dta(1:jpoce,jsfes) = 0. ! Fe/C ratio in sinking particles that fall to the sediments CALL pack_arr ( jpoce, fecratio(1:jpoce), trc_data(1:jpi,1:jpj,18), iarroce(1:jpoce) ) ! sediment pore water at 1st layer (k=1) pwcp(1:jpoce,1,1:jpwat) = pwcp_dta(1:jpoce,1:jpwat) ! Calculation of raintg of each sol. comp.: rainrm in [g/(cm**2.s)] DO js = 1, jpsol rainrg(1:jpoce,js) = rainrm_dta(1:jpoce,js) * mol_wgt(js) ENDDO ! computation of dzdep = total thickness of solid material rained [cm] in each cell dzdep(:) = 0. DO js = 1, jpsol dzdep(1:jpoce) = dzdep(1:jpoce) + rainrg(1:jpoce,js) * dtsed / ( dens_sol(js) * por1(2) ) END DO IF( lk_iomput ) THEN IF( iom_use("sflxclay" ) ) CALL iom_put( "sflxclay", zddust(:,:) * 1E3 / 1.E4 ) IF( iom_use("sflxcal" ) ) CALL iom_put( "sflxcal", trc_data(:,:,15) / 1.E4 ) IF( iom_use("sflxbsi" ) ) CALL iom_put( "sflxbsi", trc_data(:,:,12) / 1.E4 ) IF( iom_use("sflxpoc" ) ) CALL iom_put( "sflxpoc", ( trc_data(:,:,13) + trc_data(:,:,14) ) / 1.E4 ) ENDIF IF( ln_timing ) CALL timing_stop('sed_dta') END SUBROUTINE sed_dta END MODULE seddta