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stephd |
1.21 |
C $Header: /u/gcmpack/MITgcm/pkg/dic/bio_export.F,v 1.20 2007/12/05 16:52:32 dfer Exp $ |
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jmc |
1.15 |
C $Name: $ |
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edhill |
1.3 |
#include "DIC_OPTIONS.h" |
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stephd |
1.1 |
#include "GCHEM_OPTIONS.h" |
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stephd |
1.5 |
CBOP |
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C !ROUTINE: BIO_EXPORT |
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C !INTERFACE: ========================================================== |
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jmc |
1.15 |
SUBROUTINE BIO_EXPORT( PTR_PO4 , |
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stephd |
1.1 |
#ifdef ALLOW_FE |
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jmc |
1.15 |
I PTR_FE, |
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#endif |
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stephd |
1.1 |
I bioac, |
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I bi,bj,imin,imax,jmin,jmax, |
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I myIter,myTime,myThid) |
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stephd |
1.5 |
c !DESCRIPTION: |
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jmc |
1.15 |
C Calculate biological activity and export |
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stephd |
1.5 |
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C !USES: =============================================================== |
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stephd |
1.1 |
IMPLICIT NONE |
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#include "SIZE.h" |
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#include "DYNVARS.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 "DIC_ABIOTIC.h" |
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#include "DIC_BIOTIC.h" |
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stephd |
1.12 |
#ifdef USE_QSW |
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stephd |
1.11 |
#include "FFIELDS.h" |
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#endif |
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stephd |
1.1 |
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stephd |
1.5 |
C !INPUT PARAMETERS: =================================================== |
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C myThid :: thread number |
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C myIter :: current timestep |
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C myTime :: current time |
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C PTR_PO4 :: phosphate tracer field |
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C PTR_FE :: iron tracer field |
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stephd |
1.1 |
INTEGER myIter |
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_RL myTime |
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INTEGER myThid |
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_RL PTR_PO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#ifdef ALLOW_FE |
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_RL PTR_FE(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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stephd |
1.5 |
INTEGER imin, imax, jmin, jmax, bi, bj |
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C !OUTPUT PARAMETERS: ================================================== |
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C bioac :: biological productivity (will be split |
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C between export and dissolved pool) |
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stephd |
1.1 |
_RL bioac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nR) |
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#ifdef ALLOW_PTRACERS |
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#ifdef DIC_BIOTIC |
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stephd |
1.5 |
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C !LOCAL VARIABLES: ==================================================== |
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C i,j,k :: loop indices |
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stephd |
1.1 |
INTEGER I,J,k |
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stephd |
1.5 |
_RL sfac(1-OLy:sNy+OLy) |
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_RL lit, atten |
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stephd |
1.10 |
_RL nutlimit |
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stephd |
1.21 |
_RL tmpfe, tmppo4 |
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stephd |
1.10 |
#ifdef AD_SAFE |
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_RL thx, thy, theps |
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#endif |
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stephd |
1.5 |
CEOP |
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stephd |
1.10 |
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stephd |
1.8 |
#ifndef READ_PAR |
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stephd |
1.12 |
#ifndef USE_QSW |
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stephd |
1.1 |
call insol(myTime,sfac,bj) |
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stephd |
1.8 |
#endif |
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stephd |
1.11 |
#endif |
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stephd |
1.9 |
DO j=jmin,jmax |
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DO i=imin,imax |
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stephd |
1.2 |
C Fortran-90 |
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CRG C$TAF INIT bio_export = static, nlev |
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C FORTRAN-77 dynamic memory uses adstore adresto |
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CRG C$TAF INIT bio_export = memory |
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C FORTRAN-77 with know max of nlev |
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C$TAF INIT bio_export = static, 10 |
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stephd |
1.8 |
#ifdef READ_PAR |
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lit=PAR(i,j,bi,bj) |
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dfer |
1.20 |
#elif (defined USE_QSW) |
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stephd |
1.13 |
lit=-parfrac*Qsw(i,j,bi,bj)*maskC(i,j,1,bi,bj) |
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stephd |
1.11 |
#else |
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stephd |
1.1 |
lit=sfac(j) |
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stephd |
1.8 |
#endif |
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stephd |
1.18 |
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dfer |
1.20 |
IF ( .NOT. QSW_underice ) THEN |
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c if using Qsw but not seaice/thsice or coupled, then |
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c ice fraction needs to be taken into account |
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stephd |
1.19 |
lit=lit*(1. _d 0 - FIce(i,j,bi,bj)) |
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dfer |
1.20 |
ENDIF |
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stephd |
1.19 |
c |
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stephd |
1.1 |
DO k=1,nlev |
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stephd |
1.2 |
C$TAF STORE lit = bio_export |
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dfer |
1.17 |
atten=(k0*drF(k)*hFacC(i,j,k,bi,bj)*.5 _d 0) |
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stephd |
1.7 |
if (k.gt.1) atten=atten+(k0*drF(k-1) |
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dfer |
1.17 |
& *hFacC(i,j,k-1,bi,bj)*.5 _d 0) |
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dfer |
1.14 |
lit=lit*exp(-atten) |
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dfer |
1.17 |
IF (lit.LT.0. _d 0.OR.lit.GT.350. _d 0) THEN |
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stephd |
1.1 |
print*,'QQ lit', lit |
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dfer |
1.17 |
ENDIF |
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stephd |
1.10 |
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stephd |
1.21 |
#ifdef DIC_NO_NEG |
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tmppo4=max(0. _d 0, PTR_PO4(i,j,k)) |
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lit=max(0. _d 0,lit) |
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#else |
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tmppo4=PTR_PO4(i,j,k) |
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#endif |
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stephd |
1.1 |
#ifdef ALLOW_FE |
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stephd |
1.21 |
#ifdef DIC_NO_NEG |
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tmpfe=max(0. _d 0,PTR_FE(i,j,k)) |
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#else |
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tmpfe=PTR_FE(i,j,k) |
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#endif |
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stephd |
1.10 |
#ifdef AD_SAFE |
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stephd |
1.21 |
thx = tmppo4/(tmppo4+KPO4) |
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thy = tmpfe/(tmpfe+KFE) |
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c thx = PTR_PO4(i,j,k)/(PTR_PO4(i,j,k)+KPO4) |
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c thy = PTR_FE(i,j,k)/(PTR_FE(i,j,k)+KFE) |
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dfer |
1.17 |
theps = 1. _d -6 |
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nutlimit= ( 1. _d 0 - tanh((thx-thy)/theps) ) * thx/2. _d 0 |
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& +( 1. _d 0 + tanh((thx-thy)/theps) ) * thy/2. _d 0 |
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stephd |
1.5 |
#else |
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stephd |
1.21 |
nutlimit= min(tmppo4/(tmppo4+KPO4), |
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& tmpfe/(tmpfe+KFE) ) |
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stephd |
1.1 |
#endif |
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stephd |
1.10 |
#else |
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stephd |
1.21 |
nutlimit= tmppo4/(tmppo4+KPO4) |
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stephd |
1.10 |
#endif |
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bioac(i,j,k)=alpha(i,j,bi,bj)* |
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& lit/(lit+lit0)*maskC(i,j,k,bi,bj)* |
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& nutlimit |
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stephd |
1.1 |
ENDDO |
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ENDDO |
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ENDDO |
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c |
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#endif |
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#endif |
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RETURN |
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END |
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