C $Header: /u/gcmpack/MITgcm/pkg/bling/bling_carbonate_init.F,v 1.2 2016/09/12 20:00:28 mmazloff Exp $
C $Name: $
#include "BLING_OPTIONS.h"
#include "PTRACERS_OPTIONS.h"
CBOP
subroutine BLING_CARBONATE_INIT( myThid )
C ==========================================================
C | subroutine bling_carbonate_init
C | o Calculate first guess of pH
C | Adapted from pkg/dic/dic_surfforcing_init.F
C ==========================================================
implicit none
C === Global variables ===
#include "SIZE.h"
#include "DYNVARS.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
#include "FFIELDS.h"
#include "BLING_VARS.h"
#include "PTRACERS_SIZE.h"
#include "PTRACERS_PARAMS.h"
#include "PTRACERS_FIELDS.h"
#include "BLING_LOAD.h"
C === Routine arguments ===
C myThid :: thread Id. number
INTEGER myThid
#ifdef ALLOW_BLING
C === Local variables ===
INTEGER i,j, k, it
INTEGER intimeP, intime0, intime1
_RL aWght, bWght, co3dummy
C Number of iterations for pCO2 solvers...
C Solubility relation coefficients
C local variables for carbon chem
INTEGER iMin,iMax,jMin,jMax, bi, bj
_RL alktmp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
_RL phostmp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
_RL sitmp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
_RL thetatmp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
_RL salttmp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
_RL dictmp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
INTEGER iprt,jprt
LOGICAL pH_isLoaded
CEOP
IF ( periodicExternalForcing ) THEN
c read in silica field
CALL LEF_ZERO( silica0,myThid )
CALL LEF_ZERO( silica1,myThid )
C-- Now calculate whether it is time to update the forcing arrays
CALL GET_PERIODIC_INTERVAL(
O intimeP, intime0, intime1, bWght, aWght,
I externForcingCycle, externForcingPeriod,
I deltaTclock, startTime, myThid )
_BARRIER
_BEGIN_MASTER(myThid)
WRITE(standardMessageUnit,'(A,I10,A,2(2I5,A))')
& ' BLING_SURFFORCING_INIT, it=', nIter0,
& ' : Reading new data, i0,i1=', intime0, intime1
_END_MASTER(myThid)
IF ( BLING_silicaFile .NE. ' ' ) THEN
CALL READ_REC_XY_RS( BLING_silicaFile,silica0,intime0,
& nIter0,myThid )
CALL READ_REC_XY_RS( BLING_silicaFile,silica1,intime1,
& nIter0,myThid )
ENDIF
#ifdef ALLOW_OFFLINE
IF ( useOffLine ) THEN
CALL OFFLINE_FIELDS_LOAD( startTime, nIter0, myThid )
ENDIF
#endif
_EXCH_XY_RS(silica0, myThid )
_EXCH_XY_RS(silica1, myThid )
IF ( BLING_silicaFile .NE. ' ' ) THEN
DO bj = myByLo(myThid), myByHi(myThid)
DO bi = myBxLo(myThid), myBxHi(myThid)
DO j=1-Oly,sNy+Oly
DO i=1-Olx,sNx+Olx
SILICA(i,j,bi,bj)= bWght*silica0(i,j,bi,bj)
& + aWght*silica1(i,j,bi,bj)
ENDDO
ENDDO
ENDDO
ENDDO
ENDIF
c end periodicExternalForcing
ENDIF
C =================================================================
jMin=1
jMax=sNy
iMin=1
iMax=sNx
DO k=1,Nr
DO bj=myByLo(myThid),myByHi(myThid)
DO bi=myBxLo(myThid),myBxHi(myThid)
DO j=1-OLy,sNy+OLy
DO i=1-Olx,sNx+OLx
pH(i,j,k,bi,bj) = 8. _d 0
ENDDO
ENDDO
ENDDO
ENDDO
ENDDO
DO bj=myByLo(myThid),myByHi(myThid)
DO bi=myBxLo(myThid),myBxHi(myThid)
DO j=1-OLy,sNy+OLy
DO i=1-OLx,sNx+OLx
ak0(i,j,bi,bj)=0. _d 0
ak1(i,j,bi,bj)=0. _d 0
ak2(i,j,bi,bj)=0. _d 0
akw(i,j,bi,bj)=0. _d 0
akb(i,j,bi,bj)=0. _d 0
akf(i,j,bi,bj)=0. _d 0
ak1p(i,j,bi,bj)=0. _d 0
ak2p(i,j,bi,bj)=0. _d 0
ak3p(i,j,bi,bj)=0. _d 0
aksi(i,j,bi,bj)=0. _d 0
fugf(i,j,bi,bj)=0. _d 0
ff(i,j,bi,bj)=0. _d 0
ft(i,j,bi,bj)=0. _d 0
st(i,j,bi,bj)=0. _d 0
bt(i,j,bi,bj)=0. _d 0
ENDDO
ENDDO
ENDDO
ENDDO
pH_isLoaded = .FALSE.
IF ( nIter0.GT.PTRACERS_Iter0 .OR.
& (nIter0.EQ.PTRACERS_Iter0 .AND. pickupSuff.NE.' ')
& ) THEN
C Read pH from a pickup file if needed
CALL BLING_READ_PICKUP(
O pH_isLoaded,
I nIter0, myThid )
ENDIF
DO bj=myByLo(myThid),myByHi(myThid)
DO bi=myBxLo(myThid),myBxHi(myThid)
C determine inorganic carbon chem coefficients
IF ( .NOT.pH_isLoaded ) THEN
C set guess of pH for first step here
DO k=1,Nr
DO j=jMin,jMax
DO i=iMin,iMax
alktmp(i,j) = PTRACER(i,j,k,bi,bj,2)
& * maskC(i,j,k,bi,bj)
phostmp(i,j)= PTRACER(i,j,k,bi,bj,5)
& * maskC(i,j,k,bi,bj)
C FOR NON-INTERACTIVE Si
IF ( k.eq.1 ) THEN
sitmp(i,j) = Silica(i,j,bi,bj) * maskC(i,j,k,bi,bj)
ELSE
sitmp(i,j) = 0.03 * maskC(i,j,k,bi,bj)
ENDIF
dictmp(i,j) = PTRACER(i,j,k,bi,bj,1)
& * maskC(i,j,k,bi,bj)
thetatmp(i,j) = theta(i,j,k,bi,bj)
salttmp(i,j) = salt(i,j,k,bi,bj)
ENDDO
ENDDO
CALL CARBON_COEFFS_PRESSURE_DEP(
I thetatmp,salttmp,
I bi,bj,iMin,iMax,jMin,jMax,k,myThid)
C====================================================================
c first approximation
DO j=jMin,jMax
DO i=iMin,iMax
IF ( maskC(i,j,k,bi,bj) .NE. 0. _d 0) THEN
DO it=1,10
CALL CALC_PCO2_APPROX(
I thetatmp(i,j),salttmp(i,j),
I dictmp(i,j), phostmp(i,j),
I sitmp(i,j),alktmp(i,j),
I ak1(i,j,bi,bj),ak2(i,j,bi,bj),
I ak1p(i,j,bi,bj),ak2p(i,j,bi,bj),ak3p(i,j,bi,bj),
I aks(i,j,bi,bj),akb(i,j,bi,bj),akw(i,j,bi,bj),
I aksi(i,j,bi,bj),akf(i,j,bi,bj),
I ak0(i,j,bi,bj), fugf(i,j,bi,bj),
I ff(i,j,bi,bj),
I bt(i,j,bi,bj),st(i,j,bi,bj),ft(i,j,bi,bj),
U pH(i,j,k,bi,bj),pCO2(i,j,bi,bj),co3dummy,
I i,j,k,bi,bj, it , myThid )
ENDDO
ENDIF
ENDDO
ENDDO
ENDDO
ENDIF
C end bi,bj loops
ENDDO
ENDDO
#endif /* ALLOW_BLING */
RETURN
END