| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/dic/bio_export.F,v 1.24 2008/04/09 22:13:15 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "DIC_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: BIO_EXPORT |
| 8 |
|
| 9 |
C !INTERFACE: ========================================================== |
| 10 |
SUBROUTINE BIO_EXPORT( PTR_PO4 , |
| 11 |
#ifdef ALLOW_FE |
| 12 |
I PTR_FE, |
| 13 |
#endif |
| 14 |
I bioac, |
| 15 |
I bi,bj,imin,imax,jmin,jmax, |
| 16 |
I myIter,myTime,myThid) |
| 17 |
|
| 18 |
c !DESCRIPTION: |
| 19 |
C Calculate biological activity and export |
| 20 |
|
| 21 |
C !USES: =============================================================== |
| 22 |
IMPLICIT NONE |
| 23 |
#include "SIZE.h" |
| 24 |
#include "DYNVARS.h" |
| 25 |
#include "EEPARAMS.h" |
| 26 |
#include "PARAMS.h" |
| 27 |
#include "GRID.h" |
| 28 |
#include "DIC_VARS.h" |
| 29 |
#ifdef USE_QSW |
| 30 |
#include "FFIELDS.h" |
| 31 |
#endif |
| 32 |
|
| 33 |
C !INPUT PARAMETERS: =================================================== |
| 34 |
C myThid :: thread number |
| 35 |
C myIter :: current timestep |
| 36 |
C myTime :: current time |
| 37 |
C PTR_PO4 :: phosphate tracer field |
| 38 |
C PTR_FE :: iron tracer field |
| 39 |
INTEGER myIter |
| 40 |
_RL myTime |
| 41 |
INTEGER myThid |
| 42 |
_RL PTR_PO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 43 |
#ifdef ALLOW_FE |
| 44 |
_RL PTR_FE(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 45 |
#endif |
| 46 |
INTEGER imin, imax, jmin, jmax, bi, bj |
| 47 |
|
| 48 |
|
| 49 |
C !OUTPUT PARAMETERS: ================================================== |
| 50 |
C bioac :: biological productivity (will be split |
| 51 |
C between export and dissolved pool) |
| 52 |
_RL bioac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nR) |
| 53 |
|
| 54 |
#if (defined ALLOW_PTRACERS && defined DIC_BIOTIC) |
| 55 |
|
| 56 |
C !LOCAL VARIABLES: ==================================================== |
| 57 |
C i,j,k :: loop indices |
| 58 |
INTEGER I,J,k |
| 59 |
_RL sfac (1-OLy:sNy+OLy) |
| 60 |
_RL lit (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 61 |
_RL atten |
| 62 |
_RL nutlimit |
| 63 |
_RL tmppo4 |
| 64 |
#ifdef ALLOW_FE |
| 65 |
_RL tmpfe |
| 66 |
#endif |
| 67 |
#ifdef AD_SAFE |
| 68 |
_RL thx, thy, theps, thaux |
| 69 |
#endif |
| 70 |
CEOP |
| 71 |
|
| 72 |
|
| 73 |
#ifndef READ_PAR |
| 74 |
#ifndef USE_QSW |
| 75 |
CALL INSOL(myTime,sfac,bi,bj,myThid) |
| 76 |
#endif |
| 77 |
#endif |
| 78 |
DO j=jmin,jmax |
| 79 |
DO i=imin,imax |
| 80 |
cph: following init assumes nlev=nr |
| 81 |
cph: set in dic_init_fixed.F (ALLOW_AUTODIFF) |
| 82 |
C$TAF INIT bio_export = static, nr |
| 83 |
C FORTRAN-77 dynamic memory uses adstore adresto |
| 84 |
CRG C$TAF INIT bio_export = memory |
| 85 |
#ifdef READ_PAR |
| 86 |
lit(i,j)=PAR(i,j,bi,bj) |
| 87 |
#elif (defined USE_QSW) |
| 88 |
lit(i,j)=-parfrac*Qsw(i,j,bi,bj)*maskC(i,j,1,bi,bj) |
| 89 |
#else |
| 90 |
lit(i,j)=sfac(j) |
| 91 |
#endif |
| 92 |
|
| 93 |
IF ( .NOT. QSW_underice ) THEN |
| 94 |
c if using Qsw but not seaice/thsice or coupled, then |
| 95 |
c ice fraction needs to be taken into account |
| 96 |
lit(i,j)=lit(i,j)*(1. _d 0 - FIce(i,j,bi,bj)) |
| 97 |
ENDIF |
| 98 |
ENDDO |
| 99 |
ENDDO |
| 100 |
c |
| 101 |
DO k=1,nlev |
| 102 |
DO j=jmin,jmax |
| 103 |
DO i=imin,imax |
| 104 |
C$TAF STORE lit(i,j) = bio_export |
| 105 |
atten=(k0*drF(k)*hFacC(i,j,k,bi,bj)*.5 _d 0) |
| 106 |
if (k.gt.1) atten=atten+(k0*drF(k-1) |
| 107 |
& *hFacC(i,j,k-1,bi,bj)*.5 _d 0) |
| 108 |
lit(i,j)=lit(i,j)*exp(-atten) |
| 109 |
#ifndef TARGET_NEC_SX |
| 110 |
C this statement breaks vectorization and causes a dramatic |
| 111 |
C performance drop on vector computers |
| 112 |
IF (lit(i,j).LT.0. _d 0.OR.lit(i,j).GT.350. _d 0) THEN |
| 113 |
print*,'QQ lit',i,j,lit(i,j) |
| 114 |
ENDIF |
| 115 |
#endif |
| 116 |
|
| 117 |
#ifdef DIC_NO_NEG |
| 118 |
tmppo4=max(0. _d 0, PTR_PO4(i,j,k)) |
| 119 |
lit(i,j)=max(0. _d 0,lit(i,j)) |
| 120 |
#else |
| 121 |
tmppo4=PTR_PO4(i,j,k) |
| 122 |
#endif |
| 123 |
|
| 124 |
#ifdef ALLOW_FE |
| 125 |
#ifdef DIC_NO_NEG |
| 126 |
tmpfe=max(0. _d 0,PTR_FE(i,j,k)) |
| 127 |
#else |
| 128 |
tmpfe=PTR_FE(i,j,k) |
| 129 |
#endif |
| 130 |
#ifdef AD_SAFE |
| 131 |
thx = tmppo4/(tmppo4+KPO4) |
| 132 |
thy = tmpfe/(tmpfe+KFE) |
| 133 |
c thx = PTR_PO4(i,j,k)/(PTR_PO4(i,j,k)+KPO4) |
| 134 |
c thy = PTR_FE(i,j,k)/(PTR_FE(i,j,k)+KFE) |
| 135 |
c theps = 1. _d -6 |
| 136 |
c thaux = tanh( (thx-thy)/theps ) |
| 137 |
thaux = tanh( (thx-thy)*1. _d 6 ) |
| 138 |
nutlimit= ( 1. _d 0 - thaux ) * thx * 0.5 _d 0 |
| 139 |
& + ( 1. _d 0 + thaux ) * thy * 0.5 _d 0 |
| 140 |
#else |
| 141 |
nutlimit=min( tmppo4/(tmppo4+KPO4),tmpfe/(tmpfe+KFE) ) |
| 142 |
#endif |
| 143 |
#else |
| 144 |
nutlimit= tmppo4/(tmppo4+KPO4) |
| 145 |
#endif |
| 146 |
|
| 147 |
bioac(i,j,k)=alpha(i,j,bi,bj)* |
| 148 |
& lit(i,j)/(lit(i,j)+lit0)*maskC(i,j,k,bi,bj)* |
| 149 |
& nutlimit |
| 150 |
ENDDO |
| 151 |
ENDDO |
| 152 |
ENDDO |
| 153 |
c |
| 154 |
#endif /* definded ALLOW_PTRACERS && defined DIC_BIOTIC */ |
| 155 |
RETURN |
| 156 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph