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C $Header: $ |
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C $Name: $ |
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#include "CPP_OPTIONS.h" |
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|
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SUBROUTINE CALC_GW( |
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I myThid) |
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C /==========================================================\ |
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C | S/R CALC_GW | |
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C \==========================================================/ |
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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 "DYNVARS.h" |
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#include "FFIELDS.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "CG2D.h" |
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#include "GW.h" |
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#include "CG3D.h" |
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|
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C == Routine arguments == |
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C myThid - Instance number for this innvocation of CALC_GW |
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INTEGER myThid |
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|
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#ifdef ALLOW_NONHYDROSTATIC |
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|
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C == Local variables == |
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INTEGER bi,bj,iMin,iMax,jMin,jMax |
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_RL aF (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vF (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL v4F(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL cF (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL mT (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL pF (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL fZon (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL fMer (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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|
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_RL flx_NS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL flx_EW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL flx_Dn(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL flx_Up(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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C I,J,K - Loop counters |
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INTEGER i,j,k, kP1, kUp |
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_RL wOverride |
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_RS hFacROpen |
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_RS hFacRClosed |
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_RL ab15,ab05 |
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_RL tmp_VbarZ, tmp_UbarZ, tmp_WbarZ |
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|
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_RL Half |
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PARAMETER(Half=0.5D0) |
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|
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#define I0 1 |
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#define In sNx |
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#define J0 1 |
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#define Jn sNy |
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|
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C Adams-Bashforth timestepping weights |
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ab15=1.5+abeps |
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ab05=-0.5-abeps |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO K=1,Nr |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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gW(i,j,k,bi,bj) = 0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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C Catch barotropic mode |
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IF ( Nr .LT. 2 ) RETURN |
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|
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C For each tile |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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|
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C Boundaries condition at top |
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DO J=J0,Jn |
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DO I=I0,In |
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Flx_Dn(I,J,bi,bj)=0. |
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ENDDO |
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ENDDO |
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|
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C Sweep down column |
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DO K=2,Nr |
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Kp1=K+1 |
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wOverRide=1. |
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if (K.EQ.Nr) then |
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Kp1=Nr |
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wOverRide=0. |
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endif |
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C Flux on Southern face |
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DO J=J0,Jn+1 |
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DO I=I0,In |
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tmp_VbarZ=Half*( |
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& _hFacS(I,J,K-1,bi,bj)*vVel( I ,J,K-1,bi,bj) |
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& +_hFacS(I,J, K ,bi,bj)*vVel( I ,J, K ,bi,bj)) |
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Flx_NS(I,J,bi,bj)= |
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& tmp_VbarZ*Half*(wVel(I,J,K,bi,bj)+wVel(I,J-1,K,bi,bj)) |
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& -viscAh*_recip_dyC(I,J,bi,bj)*( |
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& wVel(I,J,K,bi,bj)-wVel(I,J-1,K,bi,bj) ) |
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ENDDO |
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ENDDO |
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C Flux on Western face |
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DO J=J0,Jn |
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DO I=I0,In+1 |
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tmp_UbarZ=Half*( |
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& _hFacW(I,J,K-1,bi,bj)*uVel( I ,J,K-1,bi,bj) |
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& +_hFacW(I,J, K ,bi,bj)*uVel( I ,J, K ,bi,bj)) |
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Flx_EW(I,J,bi,bj)= |
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& tmp_UbarZ*Half*(wVel(I,J,K,bi,bj)+wVel(I-1,J,K,bi,bj)) |
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& -viscAh*_recip_dxC(I,J,bi,bj)*( |
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& wVel(I,J,K,bi,bj)-wVel(I-1,J,K,bi,bj) ) |
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ENDDO |
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ENDDO |
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C Flux on Lower face |
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DO J=J0,Jn |
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DO I=I0,In |
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Flx_Up(I,J,bi,bj)=Flx_Dn(I,J,bi,bj) |
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tmp_WbarZ=Half*(wVel(I,J,K,bi,bj)+wVel(I,J,Kp1,bi,bj)) |
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Flx_Dn(I,J,bi,bj)= |
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& tmp_WbarZ*tmp_WbarZ |
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& -viscAr*recip_drF(K)*( wVel(I,J,K,bi,bj) |
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& -wOverRide*wVel(I,J,Kp1,bi,bj) ) |
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ENDDO |
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ENDDO |
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C Divergence of fluxes |
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DO J=J0,Jn |
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DO I=I0,In |
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gW(I,J,K,bi,bj) = 0. |
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& -( |
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& +_recip_dxF(I,J,bi,bj)*( |
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& Flx_EW(I+1,J,bi,bj)-Flx_EW(I,J,bi,bj) ) |
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& +_recip_dyF(I,J,bi,bj)*( |
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& Flx_NS(I,J+1,bi,bj)-Flx_NS(I,J,bi,bj) ) |
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& +recip_drC(K) *( |
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& Flx_Up(I,J,bi,bj) -Flx_Dn(I,J,bi,bj) ) |
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& ) |
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caja * recip_hFacU(I,J,K,bi,bj) |
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caja NOTE: This should be included |
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caja but we need an hFacUW (above U points) |
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caja and an hFacUS (above V points) too... |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO K=2,Nr |
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DO j=J0,Jn |
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DO i=I0,In |
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wVel(i,j,k,bi,bj) = wVel(i,j,k,bi,bj) |
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& +deltatMom*( ab15*gW(i,j,k,bi,bj) |
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& +ab05*gWNM1(i,j,k,bi,bj) ) |
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IF (hFacC(I,J,K,bi,bj).EQ.0.) wVel(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO K=1,Nr |
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DO j=J0,Jn |
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DO i=I0,In |
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gWNM1(i,j,k,bi,bj) = gW(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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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_OBCS |
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IF (useOBCS) THEN |
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C-- This call is aesthetic: it makes the W field |
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C consistent with the OBs but this has no algorithmic |
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C impact. This is purely for diagnostic purposes. |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO K=1,Nr |
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CALL OBCS_APPLY_W( bi, bj, K, wVel, myThid ) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS */ |
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|
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#endif /* ALLOW_NONHYDROSTATIC */ |
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|
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RETURN |
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END |
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