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C $Header: /u/gcmpack/MITgcm_contrib/darwin2/pkg/quota/quota_forcing.F,v 1.2 2012/07/02 09:47:43 benw Exp $ |
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C $Name: $ |
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|
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#include "CPP_OPTIONS.h" |
| 5 |
#include "PTRACERS_OPTIONS.h" |
| 6 |
#include "DARWIN_OPTIONS.h" |
| 7 |
|
| 8 |
#ifdef ALLOW_PTRACERS |
| 9 |
#ifdef ALLOW_DARWIN |
| 10 |
#ifdef ALLOW_QUOTA |
| 11 |
|
| 12 |
c============================================================= |
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c subroutine quota_forcing |
| 14 |
c step forward bio-chemical tracers in time |
| 15 |
C============================================================== |
| 16 |
SUBROUTINE QUOTA_FORCING( |
| 17 |
U Ptr, |
| 18 |
I bi,bj,imin,imax,jmin,jmax, |
| 19 |
I myTime,myIter,myThid) |
| 20 |
#include "SIZE.h" |
| 21 |
#include "EEPARAMS.h" |
| 22 |
#include "PARAMS.h" |
| 23 |
#include "GRID.h" |
| 24 |
#include "PTRACERS_SIZE.h" |
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#include "PTRACERS_PARAMS.h" |
| 26 |
#include "GCHEM.h" |
| 27 |
#include "QUOTA_SIZE.h" |
| 28 |
#include "QUOTA.h" |
| 29 |
#include "DARWIN_IO.h" |
| 30 |
#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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|
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C === Global variables === |
| 36 |
c tracers |
| 37 |
_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 |
| 42 |
|
| 43 |
C============== Local variables ============================================ |
| 44 |
c biomodel tracer arrays |
| 45 |
_RL nutrient(iimax) |
| 46 |
_RL biomass(iomax,npmax) |
| 47 |
_RL orgmat(iomax-iChl,komax) |
| 48 |
#ifdef FQUOTA |
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c iron partitioning |
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_RL freefe(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 51 |
_RL freefu |
| 52 |
_RL inputFel |
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#endif |
| 54 |
c upstream arrays for sinking/swimming |
| 55 |
_RL bioabove(iomax,npmax) |
| 56 |
_RL biobelow(iomax,npmax) |
| 57 |
_RL orgabove(iomax-iChl,komax) |
| 58 |
c some working variables |
| 59 |
_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 |
| 66 |
_RL runtim ! time from tracer initialization |
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c |
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#ifdef ALLOW_DIAGNOSTICS |
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COJ for diagnostics |
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_RL PParr(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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#ifdef ALLOW_TIMEAVE |
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#ifdef QUOTA_DIAG_LIMIT |
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_RL Nlim(npmax) |
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_RL Flim(npmax) |
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_RL Ilim(npmax) |
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_RL Tlim |
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#endif |
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#endif |
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c |
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|
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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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|
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INTEGER bottom |
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INTEGER surface |
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INTEGER i,j,k,it,itmp,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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|
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c |
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c-------------------------------------------------- |
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c initialise variables |
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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 ALLOW_DIAGNOSTICS |
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COJ for diagnostics |
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PParr(i,j,k) = 0. _d 0 |
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#endif |
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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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|
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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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|
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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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|
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C................................................................. |
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C................................................................. |
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|
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|
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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 - for non-grazers) |
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do io=1,iomax |
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do jp=1,npmax |
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if (io.ne.iChlo.or.pft(jp).ne.6) then ! no grazer chlorophyll |
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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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else ! if grazer, fill chl biomass with zeros |
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biomass(io,jp) = 0. _d 0 |
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endif |
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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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|
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|
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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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|
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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) |
| 278 |
c |
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c Physical variables |
| 280 |
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 |
| 284 |
#ifdef FQUOTA |
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freefu = max(freefe(i,j,k),0. _d 0) |
| 286 |
if (k.eq.1) then |
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inputFel = inputFe(i,j,bi,bj) |
| 288 |
else |
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inputFel = 0. _d 0 |
| 290 |
endif |
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#endif |
| 292 |
c Layer thickness |
| 293 |
dzlocal = drF(k)*HFacC(i,j,k,bi,bj) |
| 294 |
c |
| 295 |
c set bottom=1.0 if the layer below is not ocean |
| 296 |
ktmp=min(nR,k+1) |
| 297 |
if(hFacC(i,j,ktmp,bi,bj).eq.0. _d 0.or.k.eq.Nr) then |
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bottom = 1 |
| 299 |
else |
| 300 |
bottom = 0 |
| 301 |
endif |
| 302 |
if (k.eq.1) then |
| 303 |
surface = 1 |
| 304 |
else |
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surface = 0 |
| 306 |
endif |
| 307 |
|
| 308 |
c set other arguments to zero |
| 309 |
debug=0 |
| 310 |
|
| 311 |
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, |
| 320 |
I bioabove, biobelow, |
| 321 |
I orgabove, |
| 322 |
#ifdef FQUOTA |
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I freefu, inputFel, |
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#endif |
| 325 |
#ifdef ALLOW_TIMEAVE |
| 326 |
#ifdef QUOTA_DIAG_LIMIT |
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O Nlim, Flim, Ilim, Tlim, |
| 328 |
#endif |
| 329 |
#endif |
| 330 |
I PARlocal, Tlocal, Slocal, |
| 331 |
I bottom, surface, dzlocal, |
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O dbiomass, dorgmat, dnutrient, |
| 333 |
I debug, |
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I runtim, |
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I MyThid) |
| 336 |
c --------------------------------------------------------------------- |
| 337 |
#ifdef FQUOTA |
| 338 |
#ifdef IRON_SED_SOURCE |
| 339 |
c only above minimum depth (continental shelf) |
| 340 |
if (rF(k).lt.depthfesed) then |
| 341 |
c only if bottom layer |
| 342 |
if (HFacC(i,j,k+1,bi,bj).eq.0. _d 0) then |
| 343 |
#ifdef IRON_SED_SOURCE_VARIABLE |
| 344 |
c calculate sink of POC into bottom layer |
| 345 |
tmp=orgsink(2)*orgabove(iCarb,2)/dzlocal |
| 346 |
c convert to dPOCl |
| 347 |
dnutrient(iFeT) = dnutrient(iFeT) |
| 348 |
& + fesedflux_pcm*tmp |
| 349 |
#else |
| 350 |
dnutrient(iFeT) = dnutrient(iFeT) |
| 351 |
& + fesedflux/(drF(k)*hFacC(i,j,k,bi,bj)) |
| 352 |
#endif |
| 353 |
endif |
| 354 |
endif |
| 355 |
#endif |
| 356 |
#endif |
| 357 |
c --------------------------------------------------------------------- |
| 358 |
c save un-updated biomass as layer above |
| 359 |
do io=1,iomax |
| 360 |
do jp=1,npmax |
| 361 |
bioabove(io,jp)=biomass(io,jp) |
| 362 |
enddo |
| 363 |
if (io.ne.iChlo) then |
| 364 |
do ko=1,komax |
| 365 |
orgabove(io,ko)=orgmat(io,ko) |
| 366 |
enddo |
| 367 |
endif |
| 368 |
enddo |
| 369 |
c --------------------------------------------------------------------- |
| 370 |
c now update main tracer arrays |
| 371 |
c for timestep dtplankton |
| 372 |
dtplankton = dTtracerLev(k)/float(nsubtime) |
| 373 |
cccccccccccccccccccccccccccccccccccccccccccccccccccc |
| 374 |
place = 0 |
| 375 |
cccccccccccccccccccccccccccccccccccccccccccccccccccc |
| 376 |
c Inorganic nutrients |
| 377 |
do ii=1,iimax |
| 378 |
place = place + 1 |
| 379 |
Ptr(i,j,k,bi,bj,place) = Ptr(i,j,k,bi,bj,place) |
| 380 |
& + dtplankton*dnutrient(ii) |
| 381 |
enddo ! ii |
| 382 |
cccccccccccccccccccccccccccccccccccccccccccccccccccc |
| 383 |
c Biomass |
| 384 |
do io=1,iomax |
| 385 |
do jp=1,npmax |
| 386 |
if (io.ne.iChlo.or.pft(jp).ne.6) then ! if not a grazer |
| 387 |
place = place + 1 |
| 388 |
Ptr(i,j,k,bi,bj,place) = Ptr(i,j,k,bi,bj,place) |
| 389 |
& + dtplankton*dbiomass(io,jp) |
| 390 |
if (pft(jp).eq.6.and.io.eq.iChlo) then |
| 391 |
Ptr(i,j,k,bi,bj,place) = 0. _d 0 |
| 392 |
endif |
| 393 |
endif |
| 394 |
enddo ! jp |
| 395 |
enddo ! io |
| 396 |
ccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
| 397 |
c Organic matter |
| 398 |
do io=1,iomax-iChl |
| 399 |
do ko=1,komax |
| 400 |
if (ko.ne.1.or.io.ne.iSili) then |
| 401 |
place = place + 1 |
| 402 |
Ptr(i,j,k,bi,bj,place) = Ptr(i,j,k,bi,bj,place) |
| 403 |
& + dtplankton*dorgmat(io,ko) |
| 404 |
endif |
| 405 |
enddo ! ko |
| 406 |
enddo ! io |
| 407 |
ccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
| 408 |
c |
| 409 |
#ifdef ALLOW_DIAGNOSTICS |
| 410 |
COJ for diagnostics |
| 411 |
PParr(i,j,k) = PP |
| 412 |
#endif /* ALLOW_DIAGNOSTICS */ |
| 413 |
|
| 414 |
#ifdef ALLOW_TIMEAVE |
| 415 |
PPave(i,j,k,bi,bj) = PPave(i,j,k,bi,bj) |
| 416 |
& + PP * dtplankton |
| 417 |
PARave(i,j,k,bi,bj) = PARave(i,j,k,bi,bj) |
| 418 |
& + PARlocal * dtplankton |
| 419 |
c |
| 420 |
#ifdef QUOTA_DIAG_LIMIT |
| 421 |
do jp=1,npmax |
| 422 |
Nlimave(i,j,k,bi,bj,jp) = Nlimave(i,j,k,bi,bj,jp) |
| 423 |
& + Nlim(jp) * dtplankton |
| 424 |
Flimave(i,j,k,bi,bj,jp) = Flimave(i,j,k,bi,bj,jp) |
| 425 |
& + Flim(jp) * dtplankton |
| 426 |
Ilimave(i,j,k,bi,bj,jp) = Ilimave(i,j,k,bi,bj,jp) |
| 427 |
& + Ilim(jp) * dtplankton |
| 428 |
enddo |
| 429 |
Tlimave(i,j,k,bi,bj) = Tlimave(i,j,k,bi,bj) |
| 430 |
& + Tlim * dtplankton |
| 431 |
#endif |
| 432 |
#endif |
| 433 |
endif |
| 434 |
c end if hFac>0 |
| 435 |
enddo ! k |
| 436 |
c end layer loop |
| 437 |
c |
| 438 |
ENDDO ! i |
| 439 |
ENDDO ! j |
| 440 |
c |
| 441 |
c |
| 442 |
COJ fill diagnostics |
| 443 |
#ifdef ALLOW_DIAGNOSTICS |
| 444 |
IF ( useDiagnostics ) THEN |
| 445 |
diagname = 'PP ' |
| 446 |
CALL DIAGNOSTICS_FILL( PParr(1-Olx,1-Oly,1), diagname, |
| 447 |
& 0,Nr,2,bi,bj,myThid ) |
| 448 |
ENDIF |
| 449 |
#endif |
| 450 |
COJ |
| 451 |
|
| 452 |
#ifdef FQUOTA |
| 453 |
c determine iron partitioning - solve for free iron |
| 454 |
call darwin_fe_chem(bi,bj,iMin,iMax,jMin,jMax, |
| 455 |
& Ptr(1-OLx,1-OLy,1,bi,bj,iFeT), freefe, |
| 456 |
& myIter, mythid) |
| 457 |
#endif |
| 458 |
|
| 459 |
c |
| 460 |
#ifdef ALLOW_TIMEAVE |
| 461 |
c save averages |
| 462 |
dar_timeave(bi,bj) = dar_timeave(bi,bj) + dtplankton |
| 463 |
#endif |
| 464 |
c |
| 465 |
c ----------------------------------------------------- |
| 466 |
ENDDO ! it |
| 467 |
c ----------------------------------------------------- |
| 468 |
c end of bio-chemical time loop |
| 469 |
c |
| 470 |
RETURN |
| 471 |
END |
| 472 |
|
| 473 |
#endif /*ALLOW_QUOTA*/ |
| 474 |
#endif /*ALLOW_DARWIN*/ |
| 475 |
#endif /*ALLOW_PTRACERS*/ |
| 476 |
|
| 477 |
C============================================================================ |
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