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jmc |
1.20 |
C $Header: /u/gcmpack/MITgcm/model/src/calc_3d_diffusivity.F,v 1.19 2017/11/02 18:00:52 jmc Exp $ |
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jmc |
1.1 |
C $Name: $ |
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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CBOP |
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C !ROUTINE: CALC_3D_DIFFUSIVITY |
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jmc |
1.11 |
C !INTERFACE: |
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SUBROUTINE CALC_3D_DIFFUSIVITY( |
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jmc |
1.19 |
I bi, bj, iMin,iMax,jMin,jMax, |
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jmc |
1.1 |
I trIdentity, trUseGMRedi, trUseKPP, |
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O KappaRTr, |
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jmc |
1.19 |
I myThid ) |
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jmc |
1.1 |
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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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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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jmc |
1.3 |
#ifdef ALLOW_GENERIC_ADVDIFF |
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jmc |
1.1 |
#include "GAD.h" |
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jmc |
1.3 |
#endif |
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jmc |
1.1 |
#ifdef ALLOW_PTRACERS |
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#include "PTRACERS_SIZE.h" |
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jmc |
1.13 |
#include "PTRACERS_PARAMS.h" |
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jmc |
1.1 |
#endif |
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jahn |
1.15 |
#ifdef ALLOW_LONGSTEP |
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#include "LONGSTEP.h" |
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#endif |
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jmc |
1.1 |
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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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jmc |
1.18 |
_RL KappaRTr(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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jmc |
1.1 |
INTEGER myThid |
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jmc |
1.3 |
#ifdef ALLOW_GENERIC_ADVDIFF |
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jmc |
1.1 |
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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jmc |
1.11 |
_RL KbryanLewis79 |
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#ifdef ALLOW_BL79_LAT_VARY |
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_RL KbryanLewisEQ |
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#endif |
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jmc |
1.1 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
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jmc |
1.4 |
#ifdef ALLOW_PTRACERS |
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INTEGER iTr |
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#endif |
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jmc |
1.19 |
#ifndef EXCLUDE_PCELL_MIX_CODE |
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INTEGER km, mixSurf, mixBott |
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_RL pC_kFac |
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_RL tmpFac(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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#endif |
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jmc |
1.1 |
CEOP |
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dimitri |
1.10 |
IF ( .NOT. trUseKPP ) THEN |
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jmc |
1.1 |
DO k = 1,Nr |
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jmc |
1.8 |
KbryanLewis79=diffKrBL79surf+(diffKrBL79deep-diffKrBL79surf) |
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dimitri |
1.10 |
& *(atan(-(rF(k)-diffKrBL79Ho)/diffKrBL79scl)/PI+0.5 _d 0) |
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dimitri |
1.9 |
#ifdef ALLOW_BL79_LAT_VARY |
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KbryanLewisEQ=diffKrBLEQsurf+(diffKrBLEQdeep-diffKrBLEQsurf) |
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dimitri |
1.10 |
& *(atan(-(rF(k)-diffKrBLEQHo)/diffKrBLEQscl)/PI+0.5 _d 0) |
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dimitri |
1.9 |
#endif |
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jmc |
1.18 |
DO j = 1-OLy,sNy+OLy |
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DO i = 1-OLx,sNx+OLx |
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jahn |
1.15 |
#ifdef ALLOW_LONGSTEP |
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IF ( trIdentity .GE. GAD_TR1) THEN |
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KappaRTr(i,j,k) = |
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& LS_IVDConvCount(i,j,k,bi,bj)*ivdc_kappa |
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& + KbryanLewis79 |
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#ifdef ALLOW_BL79_LAT_VARY |
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& + (KbryanLewisEQ-KbryanLewis79)*BL79LatArray(i,j,bi,bj) |
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#endif |
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ELSE |
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#else |
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IF ( .TRUE. ) THEN |
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#endif /* ALLOW_LONGSTEP */ |
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KappaRTr(i,j,k) = |
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jmc |
1.1 |
& IVDConvCount(i,j,k,bi,bj)*ivdc_kappa |
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dimitri |
1.10 |
& + KbryanLewis79 |
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#ifdef ALLOW_BL79_LAT_VARY |
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& + (KbryanLewisEQ-KbryanLewis79)*BL79LatArray(i,j,bi,bj) |
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#endif |
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jahn |
1.15 |
ENDIF |
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dimitri |
1.10 |
ENDDO |
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ENDDO |
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ENDDO |
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IF ( trIdentity.EQ.GAD_TEMPERATURE ) THEN |
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DO k = 1,Nr |
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jmc |
1.18 |
DO j = 1-OLy,sNy+OLy |
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DO i = 1-OLx,sNx+OLx |
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jmc |
1.11 |
KappaRTr(i,j,k) = KappaRTr(i,j,k) |
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jmc |
1.17 |
#ifdef ALLOW_3D_DIFFKR |
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dimitri |
1.10 |
& + diffKr(i,j,k,bi,bj) |
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jmc |
1.1 |
#else |
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dimitri |
1.10 |
& + diffKrNrT(k) |
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dimitri |
1.9 |
#endif |
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dimitri |
1.10 |
ENDDO |
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jmc |
1.1 |
ENDDO |
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ENDDO |
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dimitri |
1.10 |
ELSEIF ( trIdentity.EQ.GAD_SALINITY) THEN |
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DO k = 1,Nr |
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jmc |
1.18 |
DO j = 1-OLy, sNy+OLy |
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DO i = 1-OLx, sNx+OLx |
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dimitri |
1.10 |
KappaRTr(i,j,k) = KappaRTr(i,j,k) |
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jmc |
1.17 |
#ifdef ALLOW_3D_DIFFKR |
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dimitri |
1.10 |
& + diffKr(i,j,k,bi,bj) |
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jmc |
1.1 |
#else |
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dimitri |
1.10 |
& + diffKrNrS(k) |
| 137 |
dimitri |
1.9 |
#endif |
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dimitri |
1.10 |
ENDDO |
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jmc |
1.1 |
ENDDO |
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ENDDO |
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#ifdef ALLOW_PTRACERS |
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jahn |
1.15 |
ELSEIF ( trIdentity.GE.GAD_TR1) THEN |
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jmc |
1.1 |
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dimitri |
1.10 |
iTr = trIdentity - GAD_TR1 + 1 |
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DO k = 1,Nr |
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jmc |
1.18 |
DO j = 1-OLy, sNy+OLy |
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DO i = 1-OLx, sNx+OLx |
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dimitri |
1.10 |
KappaRTr(i,j,k) = KappaRTr(i,j,k) |
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jmc |
1.17 |
#ifdef ALLOW_3D_DIFFKR |
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dimitri |
1.10 |
& + diffKr(i,j,k,bi,bj) |
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jmc |
1.1 |
#else |
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dimitri |
1.10 |
& + PTRACERS_diffKrNr(k,iTr) |
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dimitri |
1.9 |
#endif |
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dimitri |
1.10 |
ENDDO |
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jmc |
1.1 |
ENDDO |
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ENDDO |
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#endif /* ALLOW_PTRACERS */ |
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dimitri |
1.10 |
ELSE |
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jmc |
1.1 |
WRITE(msgBuf,'(A,I4)') |
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dimitri |
1.10 |
& ' CALC_3D_DIFFUSIVITY: Invalid tracer Id: ',trIdentity |
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jmc |
1.1 |
CALL PRINT_ERROR(msgBuf, myThid) |
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STOP 'ABNORMAL END: S/R CALC_3D_DIFFUSIVITY' |
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dimitri |
1.10 |
ENDIF |
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jmc |
1.1 |
ENDIF |
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C-- Add physical pacakge contributions: |
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#ifdef ALLOW_KPP |
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IF (trUseKPP) THEN |
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dimitri |
1.12 |
C-- Set vertical diffusivity contribution from KPP |
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jmc |
1.1 |
IF (trIdentity.EQ.GAD_TEMPERATURE) THEN |
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CALL KPP_CALC_DIFF_T( |
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jmc |
1.2 |
I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
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dimitri |
1.12 |
O KappaRTr, |
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jmc |
1.1 |
I myThid) |
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jahn |
1.15 |
ELSEIF (trIdentity.EQ.GAD_SALINITY) THEN |
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jmc |
1.1 |
CALL KPP_CALC_DIFF_S( |
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jmc |
1.2 |
I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
| 179 |
dimitri |
1.12 |
O KappaRTr, |
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jmc |
1.1 |
I myThid) |
| 181 |
jmc |
1.17 |
#ifdef ALLOW_PTRACERS |
| 182 |
jahn |
1.15 |
ELSEIF ( trIdentity.GE.GAD_TR1) THEN |
| 183 |
jmc |
1.17 |
iTr = trIdentity - GAD_TR1 + 1 |
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jahn |
1.15 |
CALL KPP_CALC_DIFF_Ptr( |
| 185 |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
| 186 |
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O KappaRTr, |
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jmc |
1.17 |
I iTr, myThid ) |
| 188 |
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#endif /* ALLOW_PTRACERS */ |
| 189 |
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ELSE |
| 190 |
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WRITE(msgBuf,'(A,I4)') |
| 191 |
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& ' CALC_3D_DIFFUSIVITY: Invalid tracer Id: ',trIdentity |
| 192 |
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CALL PRINT_ERROR( msgBuf, myThid ) |
| 193 |
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STOP 'ABNORMAL END: S/R CALC_3D_DIFFUSIVITY' |
| 194 |
jmc |
1.1 |
ENDIF |
| 195 |
dimitri |
1.10 |
ENDIF |
| 196 |
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#endif /* ALLOW_KPP */ |
| 197 |
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| 198 |
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#ifdef ALLOW_GMREDI |
| 199 |
jmc |
1.11 |
IF (trUseGMRedi) THEN |
| 200 |
dimitri |
1.10 |
CALL GMREDI_CALC_DIFF( |
| 201 |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
| 202 |
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U KappaRTr, |
| 203 |
dfer |
1.14 |
I trIdentity,myThid) |
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jmc |
1.1 |
ENDIF |
| 205 |
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#endif |
| 206 |
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| 207 |
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#ifdef ALLOW_PP81 |
| 208 |
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IF (usePP81) THEN |
| 209 |
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CALL PP81_CALC_DIFF( |
| 210 |
jmc |
1.2 |
I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
| 211 |
jmc |
1.1 |
U KappaRTr, |
| 212 |
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I myThid) |
| 213 |
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ENDIF |
| 214 |
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#endif |
| 215 |
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jmc |
1.18 |
#ifdef ALLOW_KL10 |
| 217 |
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IF (useKL10) THEN |
| 218 |
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CALL KL10_CALC_DIFF( |
| 219 |
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I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
| 220 |
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U KappaRTr, |
| 221 |
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I myThid) |
| 222 |
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ENDIF |
| 223 |
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#endif |
| 224 |
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| 225 |
jmc |
1.1 |
#ifdef ALLOW_MY82 |
| 226 |
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IF (useMY82) THEN |
| 227 |
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CALL MY82_CALC_DIFF( |
| 228 |
jmc |
1.2 |
I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
| 229 |
jmc |
1.1 |
U KappaRTr, |
| 230 |
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I myThid) |
| 231 |
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ENDIF |
| 232 |
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#endif |
| 233 |
jmc |
1.11 |
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| 234 |
jmc |
1.1 |
#ifdef ALLOW_GGL90 |
| 235 |
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IF (useGGL90) THEN |
| 236 |
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CALL GGL90_CALC_DIFF( |
| 237 |
jmc |
1.2 |
I bi,bj,iMin,iMax,jMin,jMax,0,Nr, |
| 238 |
jmc |
1.1 |
O KappaRTr, |
| 239 |
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I myThid) |
| 240 |
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ENDIF |
| 241 |
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#endif |
| 242 |
jmc |
1.11 |
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| 243 |
jmc |
1.19 |
#ifndef EXCLUDE_PCELL_MIX_CODE |
| 244 |
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IF ( interDiffKr_pCell ) THEN |
| 245 |
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C-- This is a hack: alter vertical diffusivity (instead of changing many S/R) |
| 246 |
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C in order to account for missing hFac in diffusion term |
| 247 |
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DO k = 2,Nr |
| 248 |
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km = k - 1 |
| 249 |
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C- account for true distance (including hFac) in vertical gradient |
| 250 |
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DO j = 2-OLy, sNy+OLy |
| 251 |
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DO i = 2-OLx, sNx+OLx |
| 252 |
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IF ( k.GT.kSurfC(i,j,bi,bj) .AND. |
| 253 |
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& k.LE.kLowC(i,j,bi,bj) ) THEN |
| 254 |
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KappaRTr(i,j,k) = KappaRTr(i,j,k) |
| 255 |
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& *twoRL/(hFacC(i,j,km,bi,bj)+hFacC(i,j,k,bi,bj)) |
| 256 |
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ENDIF |
| 257 |
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ENDDO |
| 258 |
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ENDDO |
| 259 |
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ENDDO |
| 260 |
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ENDIF |
| 261 |
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| 262 |
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IF ( pCellMix_select.GT.0 ) THEN |
| 263 |
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C-- This is a hack: alter vertical diffusivity (instead of changing many S/R) |
| 264 |
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C in order to to increase mixing for too thin surface/bottom partial cell |
| 265 |
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mixSurf = pCellMix_select/10 |
| 266 |
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mixBott = MOD(pCellMix_select,10) |
| 267 |
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DO k = 2,Nr |
| 268 |
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km = k - 1 |
| 269 |
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pC_kFac = 1. |
| 270 |
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IF ( pCellMix_delR.LT.drF(k) ) |
| 271 |
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& pC_kFac = pCellMix_delR*recip_drF(k) |
| 272 |
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| 273 |
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C- Increase KappaRTr above bottom level: |
| 274 |
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IF ( mixBott.GE.1 ) THEN |
| 275 |
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DO j = 2-OLy, sNy+OLy |
| 276 |
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DO i = 2-OLx, sNx+OLx |
| 277 |
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tmpFac(i,j) = 0. _d 0 |
| 278 |
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IF ( k.EQ.kLowC(i,j,bi,bj) .AND. |
| 279 |
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& k.GT.kSurfC(i,j,bi,bj) ) THEN |
| 280 |
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tmpFac(i,j) = pC_kFac*_recip_hFacC(i,j,k,bi,bj) |
| 281 |
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ENDIF |
| 282 |
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ENDDO |
| 283 |
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ENDDO |
| 284 |
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ENDIF |
| 285 |
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IF ( mixBott.EQ.2 ) THEN |
| 286 |
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DO j = 2-OLy, sNy+OLy |
| 287 |
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DO i = 2-OLx, sNx+OLx |
| 288 |
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tmpFac(i,j) = tmpFac(i,j)*tmpFac(i,j) |
| 289 |
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ENDDO |
| 290 |
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ENDDO |
| 291 |
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ELSEIF ( mixBott.EQ.3 ) THEN |
| 292 |
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DO j = 2-OLy, sNy+OLy |
| 293 |
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DO i = 2-OLx, sNx+OLx |
| 294 |
|
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tmpFac(i,j) = tmpFac(i,j)*tmpFac(i,j)*tmpFac(i,j) |
| 295 |
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ENDDO |
| 296 |
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ENDDO |
| 297 |
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ELSEIF ( mixBott.EQ.4 ) THEN |
| 298 |
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DO j = 2-OLy, sNy+OLy |
| 299 |
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DO i = 2-OLx, sNx+OLx |
| 300 |
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tmpFac(i,j) = tmpFac(i,j)*tmpFac(i,j) |
| 301 |
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& * tmpFac(i,j)*tmpFac(i,j) |
| 302 |
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ENDDO |
| 303 |
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ENDDO |
| 304 |
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ENDIF |
| 305 |
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IF ( mixBott.GE.1 ) THEN |
| 306 |
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C- increase mixing above bottom (by ~(1/hFac)^mixBott) if too thin p-cell |
| 307 |
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DO j = 2-OLy, sNy+OLy |
| 308 |
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DO i = 2-OLx, sNx+OLx |
| 309 |
|
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tmpFac(i,j) = MIN( tmpFac(i,j), pCellMix_maxFac ) |
| 310 |
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KappaRTr(i,j,k) = MAX( KappaRTr(i,j,k), |
| 311 |
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& pCellMix_diffKr(k)*tmpFac(i,j) ) |
| 312 |
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ENDDO |
| 313 |
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ENDDO |
| 314 |
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ENDIF |
| 315 |
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| 316 |
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pC_kFac = 1. |
| 317 |
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IF ( pCellMix_delR.LT.drF(km) ) |
| 318 |
|
|
& pC_kFac = pCellMix_delR*recip_drF(km) |
| 319 |
|
|
|
| 320 |
|
|
C- Increase KappaRTr below surface level: |
| 321 |
|
|
IF ( mixSurf.GE.1 ) THEN |
| 322 |
|
|
DO j = 2-OLy, sNy+OLy |
| 323 |
|
|
DO i = 2-OLx, sNx+OLx |
| 324 |
|
|
tmpFac(i,j) = 0. _d 0 |
| 325 |
|
|
IF ( km.EQ.kSurfC(i,j,bi,bj) .AND. |
| 326 |
|
|
& km.LT.kLowC(i,j,bi,bj) ) THEN |
| 327 |
jmc |
1.20 |
tmpFac(i,j) = pC_kFac*_recip_hFacC(i,j,km,bi,bj) |
| 328 |
jmc |
1.19 |
ENDIF |
| 329 |
|
|
ENDDO |
| 330 |
|
|
ENDDO |
| 331 |
|
|
ENDIF |
| 332 |
|
|
IF ( mixSurf.EQ.2 ) THEN |
| 333 |
|
|
DO j = 2-OLy, sNy+OLy |
| 334 |
|
|
DO i = 2-OLx, sNx+OLx |
| 335 |
|
|
tmpFac(i,j) = tmpFac(i,j)*tmpFac(i,j) |
| 336 |
|
|
ENDDO |
| 337 |
|
|
ENDDO |
| 338 |
|
|
ELSEIF ( mixSurf.EQ.3 ) THEN |
| 339 |
|
|
DO j = 2-OLy, sNy+OLy |
| 340 |
|
|
DO i = 2-OLx, sNx+OLx |
| 341 |
|
|
tmpFac(i,j) = tmpFac(i,j)*tmpFac(i,j)*tmpFac(i,j) |
| 342 |
|
|
ENDDO |
| 343 |
|
|
ENDDO |
| 344 |
|
|
ELSEIF ( mixSurf.EQ.4 ) THEN |
| 345 |
|
|
DO j = 2-OLy, sNy+OLy |
| 346 |
|
|
DO i = 2-OLx, sNx+OLx |
| 347 |
|
|
tmpFac(i,j) = tmpFac(i,j)*tmpFac(i,j) |
| 348 |
|
|
& * tmpFac(i,j)*tmpFac(i,j) |
| 349 |
|
|
ENDDO |
| 350 |
|
|
ENDDO |
| 351 |
|
|
ENDIF |
| 352 |
|
|
IF ( mixSurf.GE.1 ) THEN |
| 353 |
|
|
C- increase mixing below surface (by ~(1/hFac)^mixSurf) if too thin p-cell |
| 354 |
|
|
DO j = 2-OLy, sNy+OLy |
| 355 |
|
|
DO i = 2-OLx, sNx+OLx |
| 356 |
|
|
tmpFac(i,j) = MIN( tmpFac(i,j), pCellMix_maxFac ) |
| 357 |
|
|
KappaRTr(i,j,k) = MAX( KappaRTr(i,j,k), |
| 358 |
|
|
& pCellMix_diffKr(k)*tmpFac(i,j) ) |
| 359 |
|
|
ENDDO |
| 360 |
|
|
ENDDO |
| 361 |
|
|
ENDIF |
| 362 |
|
|
|
| 363 |
|
|
C-- end of k loop |
| 364 |
|
|
ENDDO |
| 365 |
|
|
ENDIF |
| 366 |
|
|
#endif /* ndef EXCLUDE_PCELL_MIX_CODE */ |
| 367 |
|
|
|
| 368 |
jmc |
1.11 |
C- Apply mask to vertical diffusivity |
| 369 |
jmc |
1.16 |
C jmc: do not have the impression that masking is needed |
| 370 |
|
|
C but could be removed later if it is the case. |
| 371 |
jmc |
1.18 |
c DO j = 1-OLy, sNy+OLy |
| 372 |
|
|
c DO i = 1-OLx, sNx+OLx |
| 373 |
jmc |
1.1 |
c KappaRTr(i,j,k) = maskUp(i,j)*KappaRTr(i,j,k) |
| 374 |
|
|
c ENDDO |
| 375 |
|
|
c ENDDO |
| 376 |
|
|
|
| 377 |
jmc |
1.3 |
#endif /* ALLOW_GENERIC_ADVDIFF */ |
| 378 |
|
|
|
| 379 |
jmc |
1.1 |
RETURN |
| 380 |
|
|
END |
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