C $Header: /u/gcmpack/MITgcm/pkg/gmredi/gmredi_rtransport.F,v 1.19 2014/09/09 22:34:06 jmc Exp $ C $Name: $ #include "GMREDI_OPTIONS.h" #ifdef ALLOW_AUTODIFF # include "AUTODIFF_OPTIONS.h" #endif C !ROUTINE: GMREDI_RTRANSPORT C !INTERFACE: SUBROUTINE GMREDI_RTRANSPORT( I trIdentity, bi, bj, k, I iMin, iMax, jMin, jMax, I Tracer, U df, I myThid ) C !DESCRIPTION: \bv C *==========================================================* C | o SUBROUTINE GMREDI_RTRANSPORT | C | Add vertical transport terms from GM/Redi | C | parameterization. | C *==========================================================* C \ev C !USES: IMPLICIT NONE C == GLobal variables == #include "SIZE.h" #include "EEPARAMS.h" #include "PARAMS.h" #include "GRID.h" #include "GMREDI.h" #include "GAD.h" #ifdef ALLOW_LONGSTEP #include "LONGSTEP.h" #endif #ifdef ALLOW_AUTODIFF_TAMC # include "tamc.h" # include "tamc_keys.h" # ifdef ALLOW_PTRACERS # include "PTRACERS_SIZE.h" # endif #endif /* ALLOW_AUTODIFF_TAMC */ C !INPUT/OUTPUT PARAMETERS: C trIdentity :: tracer Id number C bi, bj :: current tile indices C k :: current level index C iMin,iMax :: Range of 1rst index where results will be set C jMin,jMax :: Range of 2nd index where results will be set C Tracer :: 3D Tracer field C df :: Diffusive flux component work array. C myThid :: my Thread Id number INTEGER trIdentity INTEGER bi, bj, k INTEGER iMin, iMax, jMin, jMax _RL Tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) _RL df (1-OLx:sNx+OLx,1-OLy:sNy+OLy) INTEGER myThid CEOP #ifdef ALLOW_GMREDI C !LOCAL VARIABLES: C i, j :: Loop counters INTEGER i, j _RL dTdx (1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL dTdy (1-OLx:sNx+OLx,1-OLy:sNy+OLy) #ifdef GM_BOLUS_ADVEC _RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) #endif #ifdef ALLOW_AUTODIFF_TAMC act0 = trIdentity - 1 max0 = maxpass act1 = bi - myBxLo(myThid) max1 = myBxHi(myThid) - myBxLo(myThid) + 1 act2 = bj - myByLo(myThid) max2 = myByHi(myThid) - myByLo(myThid) + 1 act3 = myThid - 1 max3 = nTx*nTy act4 = ikey_dynamics - 1 igadkey = (act0 + 1) & + act1*max0 & + act2*max0*max1 & + act3*max0*max1*max2 & + act4*max0*max1*max2*max3 kkey = (igadkey-1)*Nr + k if (trIdentity.GT.maxpass) then print *, 'ph-pass gmredi_rtrans ', maxpass, trIdentity STOP 'maxpass seems smaller than trIdentity' endif #endif /* ALLOW_AUTODIFF_TAMC */ C Surface flux is zero IF ( useGMRedi .AND. k.GT.1 ) THEN C- Horizontal gradients interpolated to W points DO j=jMin,jMax DO i=iMin,iMax dTdx(i,j) = op5*( & +op5*(_maskW(i+1,j,k,bi,bj) & *_recip_dxC(i+1,j,bi,bj)* & (Tracer(i+1,j,k)-Tracer(i,j,k)) & +_maskW(i,j,k,bi,bj) & *_recip_dxC(i,j,bi,bj)* & (Tracer(i,j,k)-Tracer(i-1,j,k)) ) & +op5*(_maskW(i+1,j,k-1,bi,bj) & *_recip_dxC(i+1,j,bi,bj)* & (Tracer(i+1,j,k-1)-Tracer(i,j,k-1)) & +_maskW(i,j,k-1,bi,bj) & *_recip_dxC(i,j,bi,bj)* & (Tracer(i,j,k-1)-Tracer(i-1,j,k-1)) ) & ) dTdy(i,j) = op5*( & +op5*(_maskS(i,j,k,bi,bj) & *_recip_dyC(i,j,bi,bj)* & (Tracer(i,j,k)-Tracer(i,j-1,k)) & +_maskS(i,j+1,k,bi,bj) & *_recip_dyC(i,j+1,bi,bj)* & (Tracer(i,j+1,k)-Tracer(i,j,k)) ) & +op5*(_maskS(i,j,k-1,bi,bj) & *_recip_dyC(i,j,bi,bj)* & (Tracer(i,j,k-1)-Tracer(i,j-1,k-1)) & +_maskS(i,j+1,k-1,bi,bj) & *_recip_dyC(i,j+1,bi,bj)* & (Tracer(i,j+1,k-1)-Tracer(i,j,k-1)) ) & ) ENDDO ENDDO #ifdef GM_AUTODIFF_EXCESSIVE_STORE CADJ STORE dTdx(:,:) = CADJ & comlev1_gmredi_k_gad, key=kkey, byte=isbyte CADJ STORE dTdy(:,:) = CADJ & comlev1_gmredi_k_gad, key=kkey, byte=isbyte #endif C- Off-diagonal components of vertical flux #ifdef ALLOW_LONGSTEP IF ( trIdentity .GE. GAD_TR1 ) THEN DO j=jMin,jMax DO i=iMin,iMax df(i,j) = df(i,j) & - _rA(i,j,bi,bj)*maskInC(i,j,bi,bj) & *( LS_Kwx(i,j,k,bi,bj)*dTdx(i,j) & + LS_Kwy(i,j,k,bi,bj)*dTdy(i,j) ) ENDDO ENDDO ELSE #endif /* ALLOW_LONGSTEP */ DO j=jMin,jMax DO i=iMin,iMax df(i,j) = df(i,j) & - _rA(i,j,bi,bj)*maskInC(i,j,bi,bj) & *( Kwx(i,j,k,bi,bj)*dTdx(i,j) & + Kwy(i,j,k,bi,bj)*dTdy(i,j) ) ENDDO ENDDO #ifdef ALLOW_LONGSTEP ENDIF #endif /* ALLOW_LONGSTEP */ #ifdef GM_BOLUS_ADVEC IF (GM_AdvForm .AND. GM_AdvSeparate & .AND. .NOT.GM_InMomAsStress) THEN DO j=jMin,jMax DO i=iMin,iMax rTrans(i,j) = & dyG(i+1,j,bi,bj)*GM_PsiX(i+1,j,k,bi,bj) & -dyG( i ,j,bi,bj)*GM_PsiX( i ,j,k,bi,bj) & +dxG(i,j+1,bi,bj)*GM_PsiY(i,j+1,k,bi,bj) & -dxG(i, j ,bi,bj)*GM_PsiY(i, j ,k,bi,bj) ENDDO ENDDO #ifdef GM_AUTODIFF_EXCESSIVE_STORE CADJ STORE rtrans(:,:) = CADJ & comlev1_gmredi_k_gad, key=kkey, byte=isbyte #endif DO j=jMin,jMax DO i=iMin,iMax df(i,j) = df(i,j) & +rTrans(i,j)*op5 & *(Tracer(i,j,k)+Tracer(i,j,k-1)) & *maskInC(i,j,bi,bj) ENDDO ENDDO ENDIF #endif /* GM_BOLUS_ADVEC */ c IF (.NOT.implicitDiffusion) THEN C This vertical diffusion term is currently implemented C by adding the VisbeckK*Kwz diffusivity to KappaRT/S C See calc_diffusivity.F and calc_gt.F (calc_gs.F) c DO j=jMin,jMax c DO i=iMin,iMax c df(i,j) = df(i,j) - _rA(i,j,bi,bj) c & *maskUp(i,j)*VisbeckK(i,j,bi,bj)*Kwz(i,j,k,bi,bj) c & *recip_drC(k)*rkfac c & *(Tracer(i,j,k-1)-Tracer(i,j,k)) c & *maskInC(i,j,bi,bj) c ENDDO c ENDDO c ENDIF ENDIF #endif /* ALLOW_GMREDI */ RETURN END