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jahn |
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C $Header: /u/gcmpack/MITgcm_contrib/darwin/pkg/darwin/darwin_forcing.F,v 1.16 2009/03/10 20:44:30 stephd Exp $ |
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C $Name: $ |
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#include "CPP_OPTIONS.h" |
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#include "PTRACERS_OPTIONS.h" |
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#include "DARWIN_OPTIONS.h" |
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#ifdef ALLOW_PTRACERS |
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#ifdef ALLOW_DARWIN |
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#ifdef ALLOW_QUOTA |
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c============================================================= |
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c subroutine quota_forcing |
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c step forward bio-chemical tracers in time |
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C============================================================== |
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SUBROUTINE QUOTA_FORCING( |
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U Ptr, |
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I bi,bj,imin,imax,jmin,jmax, |
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I myTime,myIter,myThid) |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "PTRACERS_SIZE.h" |
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#include "PTRACERS_PARAMS.h" |
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#include "GCHEM.h" |
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#include "QUOTA_SIZE.h" |
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#include "QUOTA.h" |
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#include "DARWIN_IO.h" |
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#include "DYNVARS.h" |
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#ifdef USE_QSW |
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#include "FFIELDS.h" |
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#endif |
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C === Global variables === |
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c tracers |
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_RL Ptr(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy,nDarwin) |
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INTEGER bi,bj,imin,imax,jmin,jmax |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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C============== Local variables ============================================ |
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c biomodel tracer arrays |
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_RL nutrient(iimax) |
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_RL biomass(iomax,npmax) |
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_RL orgmat(iomax-iChl,komax) |
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#ifdef FQUOTA |
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c iron partitioning |
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_RL freefe(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL freefu |
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_RL inputFel |
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#endif |
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c upstream arrays for sinking/swimming |
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_RL bioabove(iomax,npmax) |
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_RL biobelow(iomax,npmax) |
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_RL orgabove(iomax-iChl,komax) |
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c some working variables |
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_RL sumpy |
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_RL sumpyup |
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c light variables |
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_RL PAR(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL sfac(1-OLy:sNy+OLy) |
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_RL atten,lite |
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_RL newtime ! for sub-timestepping |
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_RL runtim ! time from tracer initialization |
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#ifdef DAR_DIAG_DIVER |
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_RL Diver1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL Diver2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL Diver3(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL Diver4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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c |
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c some local variables |
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_RL Tlocal |
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_RL Slocal |
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_RL PARlocal |
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_RL dzlocal |
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_RL dtplankton |
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_RL PP |
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c local tendencies |
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_RL dbiomass(iomax,npmax) |
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_RL dorgmat(iomax-iChl,komax) |
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_RL dnutrient(iimax) |
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_RL tmp |
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INTEGER bottom |
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INTEGER surface |
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INTEGER i,j,k,it, ktmp |
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INTEGER ii,io,jp,ko, jp2, jpsave |
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INTEGER place |
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INTEGER debug |
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CHARACTER*8 diagname |
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c |
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c-------------------------------------------------- |
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c initialise vatriables |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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do k=1,Nr |
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#ifdef FQUOTA |
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freefe(i,j,k) = 0.0 _d 0 |
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# endif |
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PAR(i,j,k) = 0.0 _d 0 |
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#ifdef DAR_DIAG_DIVER |
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Diver1(i,j,k) = 0.0 _d 0 |
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Diver2(i,j,k) = 0.0 _d 0 |
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Diver3(i,j,k) = 0.0 _d 0 |
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Diver4(i,j,k) = 0.0 _d 0 |
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#endif |
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c |
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enddo !k |
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ENDDO !i |
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ENDDO !j |
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c |
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c bio-chemical time loop |
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c-------------------------------------------------- |
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DO it=1,nsubtime |
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c ------------------------------------------------- |
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COJ cannot use dfloat because of adjoint |
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COJ division will be double precision anyway because of dTtracerLev |
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newtime=myTime-dTtracerLev(1)+ |
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& float(it)*dTtracerLev(1)/float(nsubtime) |
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c print*,'it ',it,newtime,nsubtime,myTime |
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runtim=myTime-float(PTRACERS_Iter0)*dTtracerLev(1) |
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#ifdef FQUOTA |
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c determine iron partitioning - solve for free iron |
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call darwin_fe_chem(bi,bj,iMin,iMax,jMin,jMax, |
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& Ptr(1-OLx,1-OLy,1,bi,bj,iFeT), freefe, |
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& myIter, mythid) |
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#endif |
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c find light in each grid cell |
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c --------------------------- |
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c determine incident light |
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#ifndef READ_PAR |
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#ifdef USE_QSW |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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sur_par(i,j,bi,bj)=-parfrac*Qsw(i,j,bi,bj)* |
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& parconv*maskC(i,j,1,bi,bj) |
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ENDDO |
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ENDDO |
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#else |
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DO j=1-OLy,sNy+OLy |
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sfac(j)=0. _d 0 |
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ENDDO |
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call darwin_insol(newTime,sfac,bj) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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sur_par(i,j,bi,bj)=sfac(j)*maskC(i,j,1,bi,bj)/86400. _d 6 |
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c if (i.eq.1.and.j.ge.1.and.j.le.sNy) |
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c & write(24,*) sur_par(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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#endif |
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#endif |
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C................................................................. |
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C................................................................. |
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DO j=1,sNy |
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DO i=1,sNx |
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c surface PAR |
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c take ice coverage into account |
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#if (defined (ALLOW_SEAICE) && defined (USE_QSW)) |
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COJ ice coverage already taken into account by seaice package |
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lite=sur_par(i,j,bi,bj) |
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#else |
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#if (defined (ALLOW_SEAICE) && defined (USE_QSW)) |
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c if using Qsw and seaice, then ice fraction is already |
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c taken into account |
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lite=sur_par(i,j,bi,bj) |
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#else |
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lite=sur_par(i,j,bi,bj)*(1. _d 0-fice(i,j,bi,bj)) |
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#endif |
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#endif |
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atten = 0. _d 0 |
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sumpy = 0. _d 0 |
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c |
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c FOR EACH LAYER ... |
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do k= 1, NR |
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if (HFacC(i,j,k,bi,bj).gt.0. _d 0) then |
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c --------------------------------------------------------------------- |
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c benw |
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c |
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c Fetch biomodel variables from ptr (ptracers) |
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c (making sure they are .ge. 0 - brute force) |
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c |
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c (set biomodel tendencies to zero, at the same time) |
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c |
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c ********************************************************************* |
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place = 0 |
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c Inorganic Nutrients |
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do ii=1,iimax |
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place = place + 1 |
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c ambient nutrients for each element (1 to iimax) |
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nutrient(ii) = max(Ptr(i,j,k,bi,bj,place),0. _d 0) |
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dnutrient(ii) = 0. _d 0 |
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enddo ! ii |
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c ********************************************************************* |
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c Unicellular biomass (including chlorophyll biomass) |
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do io=1,iomax |
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do jp=1,npmax |
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place = place + 1 |
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biomass(io,jp) = max(Ptr(i,j,k,bi,bj,place),0. _d 0) |
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! biomasses above current layer for sinking |
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if (k.eq.1) then |
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bioabove(io,jp)=0. _d 0 |
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endif |
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! biomasses below current layer for swimming |
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if (k.eq.Nr) then |
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biobelow(io,jp)=0. _d 0 |
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elseif (hFacC(i,j,k+1,bi,bj).eq.0. _d 0) then |
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biobelow(io,jp)=0. _d 0 |
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else |
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biobelow(io,jp)=max(Ptr(i,j,k+1,bi,bj,place),0. _d 0) |
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endif |
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! initialise biomass rate of change |
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dbiomass(io,jp) = 0. _d 0 |
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enddo ! jp |
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enddo |
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c ********************************************************************* |
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c Organic matter |
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do io=1,iomax-iChl |
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do ko=1,komax |
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c mass of element x for all OM classes |
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place = place + 1 |
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orgmat(io,ko) = max(Ptr(i,j,k,bi,bj,place),0. _d 0) |
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! biomasses above current layer for sinking |
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if (k.eq.1) then |
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orgabove(io,ko) = 0. _d 0 |
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endif |
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#ifdef SQUOTA |
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if (ko.and.1.and.io.eq.iSili) then |
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place = place - 1 |
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orgmat(iSili,1) = 0. _d 0 |
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orgabove(iSili,1) = 0. _d 0 |
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endif |
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#endif |
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dorgmat(io,ko) = 0. _d 0 |
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enddo ! ko |
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enddo ! io |
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c ********************************************************************* |
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c |
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c --------------------------------------------------------------------- |
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c find local light for level k |
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sumpyup = sumpy |
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sumpy = 0. _d 0 |
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do jp=1,npmax |
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#ifndef GEIDER |
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! sum nitrogen biomass |
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sumpy = sumpy + biomass(iNitr,jp) |
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#else |
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! sum chlorophyll |
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sumpy = sumpy + biomass(iChlo,jp) |
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#endif |
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enddo |
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atten= atten + (k_w + k_chl*sumpy)*5. _d -1*drF(k) |
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if (k.gt.1)then |
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atten = atten + (k_w+k_chl*sumpyup)*5. _d -1*drF(k-1) |
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endif |
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PAR(i,j,k) = lite*exp(-atten) |
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c |
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c Physical variables |
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PARlocal = PAR(i,j,k) |
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Tlocal = theta(i,j,k,bi,bj) |
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Slocal = salt(i,j,k,bi,bj) |
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c Free Iron |
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#ifdef FQUOTA |
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freefu = max(freefe(i,j,k),0. _d 0) |
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if (k.eq.1) then |
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inputFel = inputFe(i,j,bi,bj) |
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else |
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inputFel = 0. _d 0 |
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endif |
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#endif |
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c Layer thickness |
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dzlocal = drF(k)*HFacC(i,j,k,bi,bj) |
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c |
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c set bottom=1.0 if the layer below is not ocean |
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ktmp=min(nR,k+1) |
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if(hFacC(i,j,ktmp,bi,bj).eq.0. _d 0.or.k.eq.Nr) then |
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bottom = 1 |
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else |
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bottom = 0 |
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endif |
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if (k.eq.1) then |
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surface = 1 |
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else |
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surface = 0 |
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endif |
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c set other arguments to zero |
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debug=0 |
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if (debug.eq.7) print*,'Inorganic nutrients',nutrient |
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if (debug.eq.7) print*,'Plankton biomass', biomass |
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if (debug.eq.7) print*,'Organic nutrients',orgmat |
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if (debug.eq.8) print*,'k, PARlocal, dzlocal', |
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& k,PARlocal,dzlocal |
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c --------------------------------------------------------------------- |
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CALL QUOTA_PLANKTON( |
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I biomass, orgmat, nutrient, |
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O PP, |
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I bioabove, biobelow, |
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I orgabove, |
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#ifdef FQUOTA |
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I freefu, inputFel, |
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#endif |
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I PARlocal, Tlocal, Slocal, |
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I bottom, surface, dzlocal, |
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O dbiomass, dorgmat, dnutrient, |
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I debug, |
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I runtim, |
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I MyThid) |
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c --------------------------------------------------------------------- |
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c save un-updated biomass as layer above |
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do io=1,iomax |
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do jp=1,npmax |
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bioabove(io,jp)=biomass(io,jp) |
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enddo |
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if (io.ne.iChlo) then |
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do ko=1,komax |
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orgabove(io,ko)=orgmat(io,ko) |
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enddo |
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endif |
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enddo |
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c --------------------------------------------------------------------- |
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c now update main tracer arrays |
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c for timestep dtplankton |
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dtplankton = dTtracerLev(k)/float(nsubtime) |
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cccccccccccccccccccccccccccccccccccccccccccccccccccc |
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place = 0 |
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cccccccccccccccccccccccccccccccccccccccccccccccccccc |
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c Inorganic nutrients |
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do ii=1,iimax |
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place = place + 1 |
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Ptr(i,j,k,bi,bj,place) = Ptr(i,j,k,bi,bj,place) |
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& + dtplankton*dnutrient(ii) |
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enddo ! ii |
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cccccccccccccccccccccccccccccccccccccccccccccccccccc |
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c Biomass |
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do io=1,iomax |
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do jp=1,npmax |
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place = place + 1 |
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Ptr(i,j,k,bi,bj,place) = Ptr(i,j,k,bi,bj,place) |
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& + dtplankton*dbiomass(io,jp) |
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if (pft(jp).eq.6.and.io.eq.iChlo) then |
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Ptr(i,j,k,bi,bj,place) = 0. _d 0 |
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endif |
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enddo ! jp |
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enddo ! io |
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ccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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c Organic matter |
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do io=1,iomax-iChl |
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do ko=1,komax |
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if (ko.ne.1.or.io.ne.iSili) then |
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place = place + 1 |
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Ptr(i,j,k,bi,bj,place) = Ptr(i,j,k,bi,bj,place) |
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& + dtplankton*dorgmat(io,ko) |
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endif |
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enddo ! ko |
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enddo ! io |
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ccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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c |
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PPave(i,j,k,bi,bj) = PPave(i,j,k,bi,bj)+ |
375 |
|
|
& PP*dtplankton |
376 |
|
|
PARave(i,j,k,bi,bj) = PARave(i,j,k,bi,bj)+ |
377 |
|
|
& PARlocal * dtplankton |
378 |
|
|
c |
379 |
|
|
#ifdef ALLOW_TIMEAVE |
380 |
|
|
c |
381 |
|
|
#ifdef DAR_DIAG_DIVER |
382 |
|
|
Diver1ave(i,j,k,bi,bj)=Diver1ave(i,j,k,bi,bj)+ |
383 |
|
|
& Diver1(i,j,k)*dtplankton |
384 |
|
|
Diver2ave(i,j,k,bi,bj)=Diver2ave(i,j,k,bi,bj)+ |
385 |
|
|
& Diver2(i,j,k)*dtplankton |
386 |
|
|
Diver3ave(i,j,k,bi,bj)=Diver3ave(i,j,k,bi,bj)+ |
387 |
|
|
& Diver3(i,j,k)*dtplankton |
388 |
|
|
Diver4ave(i,j,k,bi,bj)=Diver4ave(i,j,k,bi,bj)+ |
389 |
|
|
& Diver4(i,j,k)*dtplankton |
390 |
|
|
#endif |
391 |
|
|
#endif |
392 |
|
|
endif |
393 |
|
|
c end if hFac>0 |
394 |
|
|
enddo ! k |
395 |
|
|
c end layer loop |
396 |
|
|
c |
397 |
|
|
ENDDO ! i |
398 |
|
|
ENDDO ! j |
399 |
|
|
c |
400 |
|
|
c |
401 |
|
|
COJ fill diagnostics |
402 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
403 |
|
|
IF ( useDiagnostics ) THEN |
404 |
|
|
diagname = ' ' |
405 |
|
|
do jp=1,npmax |
406 |
|
|
WRITE(diagname,'(A8)') 'dCHL',jp,' ' |
407 |
|
|
CALL DIAGNOSTICS_FILL |
408 |
|
|
& (dCHLarr(1-Olx,1-Oly,1,jp),diagname,0,Nr,2,bi,bj,myThid) |
409 |
|
|
do ii=1,iimax |
410 |
|
|
WRITE(diagname,'(A8)') 'PP',ii,jp,' ' |
411 |
|
|
CALL DIAGNOSTICS_FILL |
412 |
|
|
& (PParr(1-Olx,1-Oly,1,ii,jp),diagname,0,Nr,2,bi,bj,myThid) |
413 |
|
|
enddo |
414 |
|
|
enddo |
415 |
|
|
c |
416 |
|
|
WRITE(diagname,'(A8)') 'PAR ' |
417 |
|
|
CALL DIAGNOSTICS_FILL( PAR(1-Olx,1-Oly,1), diagname, |
418 |
|
|
& 0,Nr,2,bi,bj,myThid ) |
419 |
|
|
#ifdef DAR_DIAG_DIVER |
420 |
|
|
WRITE(diagname,'(A8)') 'Diver1 ' |
421 |
|
|
CALL DIAGNOSTICS_FILL( Diver1(1-Olx,1-Oly,1), diagname, |
422 |
|
|
& 0,Nr,2,bi,bj,myThid ) |
423 |
|
|
WRITE(diagname,'(A8)') 'Diver2 ' |
424 |
|
|
CALL DIAGNOSTICS_FILL( Diver2(1-Olx,1-Oly,1), diagname, |
425 |
|
|
& 0,Nr,2,bi,bj,myThid ) |
426 |
|
|
WRITE(diagname,'(A8)') 'Diver3 ' |
427 |
|
|
CALL DIAGNOSTICS_FILL( Diver3(1-Olx,1-Oly,1), diagname, |
428 |
|
|
& 0,Nr,2,bi,bj,myThid ) |
429 |
|
|
WRITE(diagname,'(A8)') 'Diver4 ' |
430 |
|
|
CALL DIAGNOSTICS_FILL( Diver4(1-Olx,1-Oly,1), diagname, |
431 |
|
|
& 0,Nr,2,bi,bj,myThid ) |
432 |
|
|
#endif |
433 |
|
|
ENDIF |
434 |
|
|
#endif |
435 |
|
|
COJ |
436 |
|
|
|
437 |
|
|
#ifdef FQUOTA |
438 |
|
|
c determine iron partitioning - solve for free iron |
439 |
|
|
call darwin_fe_chem(bi,bj,iMin,iMax,jMin,jMax, |
440 |
|
|
& Ptr(1-OLx,1-OLy,1,bi,bj,iFeT), freefe, |
441 |
|
|
& myIter, mythid) |
442 |
|
|
#endif |
443 |
|
|
|
444 |
|
|
c |
445 |
|
|
#ifdef ALLOW_TIMEAVE |
446 |
|
|
c save averages |
447 |
|
|
do k=1,nR |
448 |
|
|
dar_timeave(bi,bj,k) = dar_timeave(bi,bj,k) |
449 |
|
|
& + dtplankton |
450 |
|
|
enddo |
451 |
|
|
#endif |
452 |
|
|
c |
453 |
|
|
c ----------------------------------------------------- |
454 |
|
|
ENDDO ! it |
455 |
|
|
c ----------------------------------------------------- |
456 |
|
|
c end of bio-chemical time loop |
457 |
|
|
c |
458 |
|
|
RETURN |
459 |
|
|
END |
460 |
|
|
|
461 |
|
|
#endif /*ALLOW_QUOTA*/ |
462 |
|
|
#endif /*ALLOW_DARWIN*/ |
463 |
|
|
#endif /*ALLOW_PTRACERS*/ |
464 |
|
|
|
465 |
|
|
C============================================================================ |