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C $Header: /u/gcmpack/MITgcm_contrib/atnguyen/code_21Dec2012_saltplume/salt_plume_apply.F,v 1.6 2014/05/02 06:09:11 atn Exp $ |
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C $Name: $ |
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|
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#include "SALT_PLUME_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: SALT_PLUME_APPLY |
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C !INTERFACE: |
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SUBROUTINE SALT_PLUME_APPLY( |
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I trIdentity, bi, bj, |
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I recip_hFac_arg, |
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I tracer,trApplyFlag, |
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U trStar, |
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I myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE SALT_PLUME_APPLY |
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C | o Apply the salt_pume-transport to tracer field |
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C *==========================================================* |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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|
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C === Global variables === |
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#include "SIZE.h" |
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#include "GRID.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "DYNVARS.h" |
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#include "SALT_PLUME.h" |
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#ifdef ALLOW_GENERIC_ADVDIFF |
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# include "GAD.h" |
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#endif |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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C trIdentity :: tracer identification number |
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C bi,bj :: Tile indices |
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C recip_drF :: Reciprol of cell thickness |
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C recip_hFac_arg :: Reciprol of cell open-depth factor |
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C tracer :: tracer field at current time (input) |
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C trApplyFlag:: [0]=update saltplume forcing T/S terms |
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C :: [1]=update gTr tendency |
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C trStar :: future tracer field (modified) |
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C myTime :: Current time in simulation |
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C myIter :: Current time-step number |
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C myThid :: my Thread Id. number |
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|
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INTEGER trIdentity, trApplyFlag |
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INTEGER bi, bj |
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_RS recip_hFac_arg(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL tracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL trStar (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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|
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_RL myTime |
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INTEGER myIter, myThid |
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|
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#ifdef ALLOW_SALT_PLUME |
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#ifdef SALT_PLUME_VOLUME |
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|
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C !LOCAL VARIABLES: |
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C === Local variables === |
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C msgBuf :: Informational/error message buffer |
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C plumetend :: forcing terms [W/m2 or kg/m2/s*psu] |
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C work :: working array |
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C CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER i, j, k |
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INTEGER upward |
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LOGICAL onOffFlag |
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_RL gTr_Surf2kLev, gTr_Below2kLev, gTr_kLev2Above, |
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& dSPvolBelow2kLev, gTr_totSurf2Below, |
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& SurfVal, SEAICE_Tfrz, ConvertFac, recip_ConvertFac |
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integer kp1, Nrp1 |
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_RL plumetend(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL work(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr+1) |
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|
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#ifdef ALLOW_DIAGNOSTICS |
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CHARACTER*8 diagName |
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CHARACTER*4 diagSufx |
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LOGICAL doDiagSPtend |
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C- Functions: |
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LOGICAL DIAGNOSTICS_IS_ON |
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EXTERNAL DIAGNOSTICS_IS_ON |
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#ifdef ALLOW_GENERIC_ADVDIFF |
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CHARACTER*5 GAD_DIAG_SUFX |
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EXTERNAL GAD_DIAG_SUFX |
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#endif /* ALLOW_GENERIC_ADVDIFF */ |
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#endif /* ALLOW_DIAGNOSTICS */ |
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|
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CEOP |
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|
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IF ( trApplyFlag.LT.0 .OR. trApplyFlag.GT.1) THEN |
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STOP 'S/R SALT_PLUME_APPLY: incorrect setting of trApplyFlag!' |
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ELSE |
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|
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SEAICE_Tfrz = -1.96 _d 0 |
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|
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onOffFlag = .FALSE. |
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#ifdef ALLOW_GENERIC_ADVDIFF |
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IF ( trIdentity.EQ.GAD_TEMPERATURE ) onOffFlag = .TRUE. |
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IF ( trIdentity.EQ.GAD_SALINITY ) onOffFlag = .TRUE. |
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#endif |
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IF ( onOffFlag ) THEN |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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c upward = rkSign*NINT(-gravitySign) |
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upward = 1 |
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IF (usingZCoords) upward = -1 |
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|
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IF ( trIdentity.EQ.1 ) THEN |
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SurfVal = SEAICE_Tfrz |
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ConvertFac = HeatCapacity_Cp*rhoConst |
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recip_ConvertFac = recip_Cp*mass2rUnit |
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#ifdef ALLOW_DIAGNOSTICS |
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IF ( useDiagnostics ) diagSufx = '_TH ' |
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#endif /* ALLOW_DIAGNOSTICS */ |
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ENDIF |
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IF ( trIdentity.EQ.2 ) THEN |
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SurfVal = SPbrineSconst |
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ConvertFac = rhoConst |
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recip_ConvertFac = mass2rUnit |
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#ifdef ALLOW_DIAGNOSTICS |
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IF ( useDiagnostics ) diagSufx = '_SLT' |
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#endif /* ALLOW_DIAGNOSTICS */ |
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ENDIF |
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|
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#ifdef ALLOW_DIAGNOSTICS |
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doDiagSPtend = .FALSE. |
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diagName = 'SPtd' |
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IF ( useDiagnostics ) THEN |
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C-- Set diagnostic suffix for the current tracer |
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#ifdef ALLOW_GENERIC_ADVDIFF |
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diagSufx = GAD_DIAG_SUFX( trIdentity, myThid ) |
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#endif /* ALLOW_GENERIC_ADVDIFF */ |
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diagName = 'SPtd'//diagSufx |
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doDiagSPtend = DIAGNOSTICS_IS_ON(diagName,myThid) |
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C WRITE(msgBuf,'(3A)') 'diagSufx,diagName: ', |
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C & diagSufx,diagName |
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C CALL PRINT_MESSAGE(msgBuf,standardMessageUnit, |
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C & SQUEEZE_RIGHT, myThid ) |
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ENDIF |
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#endif /* ALLOW_DIAGNOSTICS */ |
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|
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C-- initializing: |
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Nrp1=Nr+1 |
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DO k=1,Nr |
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DO j=1,OLy |
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DO i=1,OLx |
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plumetend(i,j,k) = 0. _d 0 |
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work(i,j,k) = tracer(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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DO j=1,OLy |
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DO i=1,OLx |
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work(i,j,Nrp1) = 0. _d 0 |
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ENDDO |
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ENDDO |
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C----------------- |
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|
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Catn: After discussion with JM, it's cleaner to remove the negative |
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c buoyancy associated with saltplumeflux from the surface lev |
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c here instead of inside salt_plume_forcing_surf.F and |
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c kpp_forcing_surf.F: |
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|
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DO k=Nr,1,-1 |
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kp1=k+1 |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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C IF(trIdentity.EQ.GAD_SALINITY) SurfVal=SPbrineSalt(i,j,bi,bj) |
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Catn: m/s*[degC,psu] |
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gTr_totSurf2Below = SPbrineVolFlux(i,j,bi,bj)*SurfVal |
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C |
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dSPvolBelow2kLev = -dSPvolkLev2Above(i,j,kp1,bi,bj) |
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gTr_Surf2kLev = dSPvolSurf2kLev(i,j,k,bi,bj) * SurfVal |
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gTr_Below2kLev= dSPvolBelow2kLev * work(i,j,kp1) |
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Catn: gTr_kLev2Above works even for kLev=1 because this is how much |
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C volume of original [salinity,heat] associated with [SSS,SST] |
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C was replaced by same volume of brine [salt,heat(from SEAICE_Tfrz)]. |
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C Note: by design, dSPvolkLev2Above already is negative |
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gTr_kLev2Above= dSPvolkLev2Above(i,j,k,bi,bj) * work(i,j,k) |
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|
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C salt: [m/s * psu * kg/m3] = [kg/s/m2 psu] = unit of saltPlumeFlux |
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C theta:[m/s * kg/m3 * J/kg/degC * degC] = [W/m2] |
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plumetend(i,j,k) = ConvertFac * |
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& ( gTr_Surf2kLev + gTr_Below2kLev + gTr_kLev2Above ) |
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IF(k.EQ.1) THEN |
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plumetend(i,j,k) = plumetend(i,j,k) |
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& - ConvertFac*gTr_totSurf2Below |
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ENDIF |
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|
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IF(trApplyFlag.EQ.0) THEN |
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Catn: report T/S SPforcing[T,S] related to saltplumeflux for kpp |
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C and return zero to do_oceanic_phys.F; unit: [g/m2/s or W/m2] |
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trStar(i,j,k,bi,bj) = 0. _d 0 |
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IF (trIdentity.EQ.GAD_SALINITY) THEN |
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SPforcingS(i,j,k,bi,bj)=plumetend(i,j,k) |
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ENDIF |
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IF (trIdentity.EQ.GAD_TEMPERATURE) THEN |
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SPforcingT(i,j,k,bi,bj)=plumetend(i,j,k) |
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ENDIF |
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ELSE |
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Catn: updating tendency gTr (gS,gT); unit: [psu/s or degC/s] |
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trStar(i,j,k,bi,bj)=trStar(i,j,k,bi,bj)+plumetend(i,j,k) |
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& *recip_drF(k)*recip_hFac_arg(i,j,k,bi,bj) |
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& *recip_ConvertFac |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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#ifdef ALLOW_DIAGNOSTICS |
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IF ( doDiagSPtend ) |
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& CALL DIAGNOSTICS_FILL(plumetend, diagName, 0,Nr,2,bi,bj,myThid) |
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#endif /* ALLOW_DIAGNOSTICS */ |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C-- end if on-off-flag |
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ENDIF |
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C-- end trApplyFlag |
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ENDIF |
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|
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#endif /* SALT_PLUME_VOLUME */ |
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#endif /* ALLOW_SALT_PLUME */ |
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|
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RETURN |
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END |
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