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C $Header: /u/gcmpack/MITgcm/model/src/calc_3d_diffusivity.F,v 1.6 2007/04/05 22:51:48 dimitri Exp $ |
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C $Name: $ |
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|
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: CALC_3D_DIFFUSIVITY |
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C !INTERFACE: |
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SUBROUTINE CALC_3D_DIFFUSIVITY( |
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I bi,bj,iMin,iMax,jMin,jMax, |
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I trIdentity, trUseGMRedi, trUseKPP, |
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O KappaRTr, |
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I myThid) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE CALC_3D_DIFFUSIVITY |
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C | o Calculate net (3D) vertical diffusivity for 1 tracer |
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C *==========================================================* |
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C | Combines spatially varying diffusion coefficients from |
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C | KPP and/or GM and/or convective stability test. |
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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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C == GLobal variables == |
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#include "SIZE.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 "GRID.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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#ifdef ALLOW_PTRACERS |
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#include "PTRACERS_SIZE.h" |
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#include "PTRACERS.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 bi, bj :: tile indices |
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C iMin,iMax :: Range of points for which calculation is performed. |
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C jMin,jMax :: Range of points for which calculation is performed. |
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C trIdentity :: tracer identifier |
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C trUseGMRedi:: this tracer use GM-Redi |
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C trUseKPP :: this tracer use KPP |
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C myThid :: Instance number for this innvocation of CALC_3D_DIFFUSIVITY |
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C KappaRTr :: Net diffusivity for this tracer (trIdentity) |
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INTEGER bi,bj,iMin,iMax,jMin,jMax |
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INTEGER trIdentity |
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LOGICAL trUseGMRedi, trUseKPP |
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_RL KappaRTr(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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INTEGER myThid |
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|
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#ifdef ALLOW_GENERIC_ADVDIFF |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C i, j, k :: Loop counters |
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C iTr :: passive tracer index |
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C msgBuf :: message buffer |
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INTEGER i,j,k |
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_RL KbryanLewis79, KbryanLewisHL, KbryanLewisEQ |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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#ifdef ALLOW_PTRACERS |
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INTEGER iTr |
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#endif |
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CEOP |
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|
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IF ( trIdentity.EQ.GAD_TEMPERATURE) THEN |
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|
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DO k = 1,Nr |
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KbryanLewisHL=diffKrBL79surf+(diffKrBL79deep-diffKrBL79surf) |
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& *( atan( -( rF(k)-diffKrBL79Ho )/diffKrBL79scl )/PI+0.5 _d 0) |
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KbryanLewisEQ=diffKrBLEQsurf+(diffKrBLEQdeep-diffKrBLEQsurf) |
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& *( atan( -( rF(k)-diffKrBLEQHo )/diffKrBLEQscl )/PI+0.5 _d 0) |
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DO j = 1-Oly,sNy+Oly |
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IF ( abs(YC(i,j,bi,bj)) .GT. KbryanLewisLatTransition ) THEN |
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KbryanLewis79 = KbryanLewisHL |
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ELSE |
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KbryanLewis79 = KbryanLewisHL-(KbryanLewisHL-KbryanLewisEQ)* |
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& (1+cos(YC(i,j,bi,bj)*pi/KbryanLewisLatTransition)) / 2 |
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ENDIF |
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DO i = 1-Olx,sNx+Olx |
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KappaRTr(i,j,k) = |
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& IVDConvCount(i,j,k,bi,bj)*ivdc_kappa |
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#if (defined ALLOW_3D_DIFFKR || \ |
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(defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL))) |
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& + diffKr(i,j,k,bi,bj) |
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#else |
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& + diffKrNrT(k) |
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#endif |
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& + KbryanLewis79 |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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ELSEIF ( trIdentity.EQ.GAD_SALINITY) THEN |
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|
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DO k = 1,Nr |
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KbryanLewisHL=diffKrBL79surf+(diffKrBL79deep-diffKrBL79surf) |
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& *( atan( -( rF(k)-diffKrBL79Ho )/diffKrBL79scl )/PI+0.5 _d 0) |
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KbryanLewisEQ=diffKrBLEQsurf+(diffKrBLEQdeep-diffKrBLEQsurf) |
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& *( atan( -( rF(k)-diffKrBLEQHo )/diffKrBLEQscl )/PI+0.5 _d 0) |
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DO j = 1-Oly, sNy+Oly |
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IF ( abs(YC(i,j,bi,bj)) .GT. KbryanLewisLatTransition ) THEN |
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KbryanLewis79 = KbryanLewisHL |
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ELSE |
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KbryanLewis79 = KbryanLewisHL-(KbryanLewisHL-KbryanLewisEQ)* |
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& (1+cos(YC(i,j,bi,bj)*pi/KbryanLewisLatTransition)) / 2 |
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ENDIF |
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DO i = 1-Olx, sNx+Olx |
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KappaRTr(i,j,k) = |
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& IVDConvCount(i,j,k,bi,bj)*ivdc_kappa |
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#if (defined ALLOW_3D_DIFFKR || \ |
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(defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL))) |
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& + diffKr(i,j,k,bi,bj) |
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#else |
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& + diffKrNrS(k) |
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#endif |
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& + KbryanLewis79 |
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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_PTRACERS |
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ELSEIF ( trIdentity.GE.GAD_TR1 |
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& .AND. trIdentity.LT.GAD_TR1+PTRACERS_numInUse) THEN |
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|
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iTr = trIdentity - GAD_TR1 + 1 |
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DO k = 1,Nr |
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KbryanLewisHL=diffKrBL79surf+(diffKrBL79deep-diffKrBL79surf) |
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& *( atan( -( rF(k)-diffKrBL79Ho )/diffKrBL79scl )/PI+0.5 _d 0) |
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KbryanLewisEQ=diffKrBLEQsurf+(diffKrBLEQdeep-diffKrBLEQsurf) |
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& *( atan( -( rF(k)-diffKrBLEQHo )/diffKrBLEQscl )/PI+0.5 _d 0) |
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DO j = 1-Oly, sNy+Oly |
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IF ( abs(YC(i,j,bi,bj)) .GT. KbryanLewisLatTransition ) THEN |
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KbryanLewis79 = KbryanLewisHL |
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ELSE |
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KbryanLewis79 = KbryanLewisHL-(KbryanLewisHL-KbryanLewisEQ)* |
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& (1+cos(YC(i,j,bi,bj)*pi/KbryanLewisLatTransition)) / 2 |
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ENDIF |
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DO i = 1-Olx, sNx+Olx |
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KappaRTr(i,j,k) = |
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& IVDConvCount(i,j,k,bi,bj)*ivdc_kappa |
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#if (defined ALLOW_3D_DIFFKR || \ |
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(defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL))) |
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& + diffKr(i,j,k,bi,bj) |
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#else |
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& + PTRACERS_diffKrNr(k,iTr) |
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#endif |
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& + KbryanLewis79 |
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ENDDO |
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ENDDO |
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ENDDO |
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#endif /* ALLOW_PTRACERS */ |
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|
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ELSE |
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WRITE(msgBuf,'(A,I4)') |
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& ' CALC_3D_DIFFUSIVITY: Invalid tracer Id: ',trIdentity |
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CALL PRINT_ERROR(msgBuf, myThid) |
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STOP 'ABNORMAL END: S/R CALC_3D_DIFFUSIVITY' |
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ENDIF |
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|
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C-- Add physical pacakge contributions: |
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|
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#ifdef ALLOW_GMREDI |
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IF (trUseGMRedi) THEN |
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CALL GMREDI_CALC_DIFF( |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
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U KappaRTr, |
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I myThid) |
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ENDIF |
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#endif |
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|
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#ifdef ALLOW_KPP |
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IF (trUseKPP) THEN |
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IF (trIdentity.EQ.GAD_TEMPERATURE) THEN |
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CALL KPP_CALC_DIFF_T( |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
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U KappaRTr, |
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I myThid) |
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ELSE |
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CALL KPP_CALC_DIFF_S( |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
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U KappaRTr, |
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I myThid) |
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ENDIF |
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ENDIF |
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#endif |
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|
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#ifdef ALLOW_PP81 |
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IF (usePP81) THEN |
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CALL PP81_CALC_DIFF( |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
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U KappaRTr, |
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I myThid) |
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ENDIF |
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#endif |
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|
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#ifdef ALLOW_MY82 |
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IF (useMY82) THEN |
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CALL MY82_CALC_DIFF( |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
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U KappaRTr, |
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I myThid) |
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ENDIF |
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#endif |
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|
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#ifdef ALLOW_GGL90 |
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IF (useGGL90) THEN |
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CALL GGL90_CALC_DIFF( |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
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O KappaRTr, |
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I myThid) |
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ENDIF |
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#endif |
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|
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C- Apply mask to vertical diffusivity |
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C jmc: don't have the impression that masking is needed |
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C but could be removed later if it's the case. |
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c DO j = 1-Oly, sNy+Oly |
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c DO i = 1-Olx, sNx+Olx |
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c KappaRTr(i,j,k) = maskUp(i,j)*KappaRTr(i,j,k) |
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c ENDDO |
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c ENDDO |
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|
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#endif /* ALLOW_GENERIC_ADVDIFF */ |
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|
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RETURN |
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END |
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