C $Header: /u/gcmpack/MITgcm/pkg/dic/dic_surfforcing_init.F,v 1.37 2015/01/11 20:02:41 jmc Exp $ C $Name: $ #include "DIC_OPTIONS.h" #include "PTRACERS_OPTIONS.h" CBOP C !ROUTINE: DIC_SURFFORCING_INIT C !INTERFACE: ========================================================== SUBROUTINE DIC_SURFFORCING_INIT( I myThid) C !DESCRIPTION: C Calculate first guess of pH C !USES: =============================================================== IMPLICIT NONE #include "SIZE.h" #include "DYNVARS.h" #include "EEPARAMS.h" #include "PARAMS.h" #include "GRID.h" #include "FFIELDS.h" #include "DIC_VARS.h" #include "PTRACERS_SIZE.h" #include "PTRACERS_PARAMS.h" #include "PTRACERS_FIELDS.h" #include "DIC_LOAD.h" C !INPUT PARAMETERS: =================================================== C myThid :: thread number INTEGER myThid #ifdef ALLOW_DIC C !LOCAL VARIABLES: ==================================================== INTEGER i,j, kLev, 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 surfalk(1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL surfphos(1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL surfsi(1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL surftemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL surfsalt(1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL surfdic(1-OLx:sNx+OLx,1-OLy:sNy+OLy) INTEGER iprt,jprt LOGICAL pH_isLoaded CEOP cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc kLev=1 CALL DIC_INI_ATMOS( startTime, nIter0, myThid ) ccccccccccccccccccccccccccccccccccccccccc 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))') & ' DIC_SURFFORCING_INIT, it=', nIter0, & ' : Reading new data, i0,i1=', intime0, intime1 _END_MASTER(myThid) IF ( DIC_silicaFile .NE. ' ' ) THEN CALL READ_REC_XY_RS( DIC_silicaFile,silica0,intime0, & nIter0,myThid ) CALL READ_REC_XY_RS( DIC_silicaFile,silica1,intime1, & nIter0,myThid ) ENDIF c#ifdef ALLOW_OFFLINE C-- This call has been moved to S/R OFFLINE_INIT_VARIA c IF ( useOffLine ) THEN c CALL OFFLINE_FIELDS_LOAD( startTime, nIter0, myThid ) c ENDIF c#endif _EXCH_XY_RS(silica0, myThid ) _EXCH_XY_RS(silica1, myThid ) IF ( DIC_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 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,bi,bj) = 8. _d 0 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 DIC_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 DO j=jMin,jMax DO i=iMin,iMax #ifdef DIC_BIOTIC #ifdef DIC_BOUNDS surfalk(i,j) = max(0.4 _d 0, & min(10. _d 0,PTRACER(i,j,kLev,bi,bj,2))) & * maskC(i,j,kLev,bi,bj) surfphos(i,j) = max(1.0 _d -11, & min(1. _d -1,PTRACER(i,j,kLev,bi,bj,3))) & * maskC(i,j,kLev,bi,bj) #else surfalk(i,j) = PTRACER(i,j,kLev,bi,bj,2) & * maskC(i,j,kLev,bi,bj) surfphos(i,j)= PTRACER(i,j,kLev,bi,bj,3) & * maskC(i,j,kLev,bi,bj) #endif #else surfalk(i,j) = 2.366595 _d 0 *salt(i,j,kLev,bi,bj)/35. _d 0 & * maskC(i,j,kLev,bi,bj) surfphos(i,j)= 5.1225 _d -4 * maskC(i,j,kLev,bi,bj) #endif C FOR NON-INTERACTIVE Si surfsi(i,j) = Silica(i,j,bi,bj) * maskC(i,j,kLev,bi,bj) #ifdef DIC_BOUNDS surftemp(i,j) = max(-4. _d 0, & min(50. _d 0, theta(i,j,kLev,bi,bj))) surfsalt(i,j) = max(4. _d 0, & min(50. _d 0, salt(i,j,kLev,bi,bj))) surfdic(i,j) = max(0.4 _d 0, & min(10. _d 0, PTRACER(i,j,kLev,bi,bj,1))) #else surftemp(i,j) = theta(i,j,kLev,bi,bj) surfsalt(i,j) = salt(i,j,kLev,bi,bj) surfdic(i,j) = PTRACER(i,j,kLev,bi,bj,1) & * maskC(i,j,kLev,bi,bj) #endif ENDDO ENDDO CALL CARBON_COEFFS( I surftemp,surfsalt, I bi,bj,iMin,iMax,jMin,jMax,myThid) C==================================================================== IF ( .NOT.pH_isLoaded ) THEN C set guess of pH for first step here WRITE(standardMessageUnit,*) 'QQ: pCO2 approximation method' c first approximation C$TAF LOOP = parallel DO j=jMin,jMax C$TAF LOOP = parallel DO i=iMin,iMax IF ( maskC(i,j,kLev,bi,bj) .NE. 0. _d 0) THEN C$TAF init dic_surf = static, 10 DO it=1,10 C$TAF STORE pH(i,j,bi,bj) = dic_surf C$TAF STORE surfalk(i,j), surfphos(i,j), surfsi(i,j) = dic_surf CALL CALC_PCO2_APPROX( I surftemp(i,j),surfsalt(i,j), I surfdic(i,j), surfphos(i,j), I surfsi(i,j),surfalk(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,bi,bj),pCO2(i,j,bi,bj),co3dummy, I i,j,kLev,bi,bj, it , myThid ) ENDDO ENDIF ENDDO ENDDO iprt = MIN(20,sNx) jprt = MIN(20,sNy) WRITE(standardMessageUnit,*) 'QQ first guess pH', & pH(iprt,jprt,bi,bj), & theta(iprt,jprt,1,bi,bj), salt(iprt,jprt,1,bi,bj), & surfdic(iprt,jprt), surfphos(iprt,jprt), & surfsi(iprt,jprt),surfalk(iprt,jprt) ENDIF C end bi,bj loops ENDDO ENDDO #endif /* ALLOW_DIC */ RETURN END