--- MITgcm/model/src/dynamics.F 1998/08/20 19:26:40 1.29 +++ MITgcm/model/src/dynamics.F 1998/08/20 20:05:01 1.30 @@ -1,4 +1,4 @@ -C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/model/src/dynamics.F,v 1.29 1998/08/20 19:26:40 cnh Exp $ +C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/model/src/dynamics.F,v 1.30 1998/08/20 20:05:01 cnh Exp $ #include "CPP_OPTIONS.h" @@ -38,11 +38,11 @@ C == Local variables C xA, yA - Per block temporaries holding face areas -C uTrans, vTrans, wTrans - Per block temporaries holding flow transport -C wVel o uTrans: Zonal transport +C uTrans, vTrans, rTrans - Per block temporaries holding flow transport +C rVel o uTrans: Zonal transport C o vTrans: Meridional transport -C o wTrans: Vertical transport -C o wVel: Vertical velocity at upper and lower +C o rTrans: Vertical transport +C o rVel: Vertical velocity at upper and lower C cell faces. C maskC,maskUp o maskC: land/water mask for tracer cells C o maskUp: land/water mask for W points @@ -64,48 +64,55 @@ C buoyK, buoyKM1 - Buoyancy at current level and level above. C phiHyd - Hydrostatic part of the potential phi. C In z coords phiHyd is the hydrostatic pressure anomaly -C In p coords phiHyd is the geopotential surface height anomaly. -C etaSurfX, etaSurfY - Holds surface elevation gradient in X and Y. -C iMin, iMax - Ranges and sub-block indices on which calculations -C jMin, jMax are applied. +C In p coords phiHyd is the geopotential surface height +C anomaly. +C etaSurfX, - Holds surface elevation gradient in X and Y. +C etaSurfY +C K13, K23, K33 - Non-zero elements of small-angle approximation +C diffusion tensor. +C KapGM - Spatially varying Visbeck et. al mixing coeff. +C KappaRT, - Total diffusion in vertical for T and S. +C KappaRS ( background + spatially varying, isopycnal term). +C iMin, iMax - Ranges and sub-block indices on which calculations +C jMin, jMax are applied. C bi, bj -C k, kUp, kDown, kM1 - Index for layer above and below. kUp and kDown -C are switched with layer to be the appropriate index -C into fVerTerm - _RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL rVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) - _RS maskC (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RS maskUp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL aTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL xTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL cTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL mTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL pTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL fZon (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL fMer (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL fVerT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) - _RL fVerS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) - _RL fVerU (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) - _RL fVerV (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) - _RL phiHyd(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) - _RL rhokm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL rhokp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL rhok (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL buoyKM1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL buoyK (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL rhotmp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) +C k, kUp, - Index for layer above and below. kUp and kDown +C kDown, kM1 are switched with layer to be the appropriate index +C into fVerTerm + _RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL uTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL vTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL rTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL rVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) + _RS maskC (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RS maskUp (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL aTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL xTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL cTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL mTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL pTerm (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL fZon (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL fMer (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL fVerT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) + _RL fVerS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) + _RL fVerU (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) + _RL fVerV (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) + _RL phiHyd (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) + _RL rhokm1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL rhokp1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL rhok (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL buoyKM1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL buoyK (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL rhotmp (1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL etaSurfX(1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL etaSurfY(1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL K13 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) - _RL K23 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) - _RL K33 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) - _RL KapGM (1-OLx:sNx+OLx,1-OLy:sNy+OLy) - _RL KappaZT(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nz) - _RL KappaZS(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nz) + _RL K13 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) + _RL K23 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) + _RL K33 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) + _RL KapGM (1-OLx:sNx+OLx,1-OLy:sNy+OLy) + _RL KappaZT (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nz) + _RL KappaZS (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nz) INTEGER iMin, iMax INTEGER jMin, jMax @@ -179,18 +186,18 @@ fMer(i,j) = 0. _d 0 DO K=1,nZ pH (i,j,k) = 0. _d 0 - K13(i,j,k) = 0. _d 0 - K23(i,j,k) = 0. _d 0 - K33(i,j,k) = 0. _d 0 + K13(i,j,k) = 0. _d 0 + K23(i,j,k) = 0. _d 0 + K33(i,j,k) = 0. _d 0 KappaZT(i,j,k) = 0. _d 0 ENDDO - rhokm1(i,j) = 0. _d 0 - rhok (i,j) = 0. _d 0 - rhokp1(i,j) = 0. _d 0 - rhotmp(i,j) = 0. _d 0 + rhoKM1 (i,j) = 0. _d 0 + rhok (i,j) = 0. _d 0 + rhoKP1 (i,j) = 0. _d 0 + rhoTMP (i,j) = 0. _d 0 buoyKM1(i,j) = 0. _d 0 buoyK (i,j) = 0. _d 0 - maskC (i,j) = 0. _d 0 + maskC (i,j) = 0. _d 0 ENDDO ENDDO @@ -203,19 +210,19 @@ rTrans(i,j) = 0. _d 0 rVel (i,j,1) = 0. _d 0 rVel (i,j,2) = 0. _d 0 - fVerT(i,j,1) = 0. _d 0 - fVerT(i,j,2) = 0. _d 0 - fVerS(i,j,1) = 0. _d 0 - fVerS(i,j,2) = 0. _d 0 - fVerU(i,j,1) = 0. _d 0 - fVerU(i,j,2) = 0. _d 0 - fVerV(i,j,1) = 0. _d 0 - fVerV(i,j,2) = 0. _d 0 + fVerT (i,j,1) = 0. _d 0 + fVerT (i,j,2) = 0. _d 0 + fVerS (i,j,1) = 0. _d 0 + fVerS (i,j,2) = 0. _d 0 + fVerU (i,j,1) = 0. _d 0 + fVerU (i,j,2) = 0. _d 0 + fVerV (i,j,1) = 0. _d 0 + fVerV (i,j,2) = 0. _d 0 phiHyd(i,j,1) = 0. _d 0 - K13(i,j,1) = 0. _d 0 - K23(i,j,1) = 0. _d 0 - K33(i,j,1) = 0. _d 0 - KapGM(i,j) = GMkbackground + K13 (i,j,1) = 0. _d 0 + K23 (i,j,1) = 0. _d 0 + K33 (i,j,1) = 0. _d 0 + KapGM (i,j) = GMkbackground ENDDO ENDDO @@ -232,17 +239,16 @@ I bi,bj,iMin,iMax,jMin,jMax, O etaSurfX,etaSurfY, I myThid) - C-- Update fields in top level according to tendency terms CALL CORRECTION_STEP( - I bi,bj,iMin,iMax,jMin,jMax,K,etaSurfX,etaSurfY,myTime,myThid) - + I bi,bj,iMin,iMax,jMin,jMax,K, + I etaSurfX,etaSurfY,myTime,myThid) IF ( .NOT. BOTTOM_LAYER ) THEN C-- Update fields in layer below according to tendency terms CALL CORRECTION_STEP( - I bi,bj,iMin,iMax,jMin,jMax,K+1,etaSurfX,etaSurfY,myTime,myThid) + I bi,bj,iMin,iMax,jMin,jMax,K+1, + I etaSurfX,etaSurfY,myTime,myThid) ENDIF - C-- Density of 1st level (below W(1)) reference to level 1 CALL FIND_RHO( I bi, bj, iMin, iMax, jMin, jMax, K, K, eosType, @@ -250,9 +256,8 @@ I myThid ) IF ( .NOT. BOTTOM_LAYER ) THEN - C-- Check static stability with layer below -C and mix as needed. +C-- and mix as needed. CALL FIND_RHO( I bi, bj, iMin, iMax, jMin, jMax, K+1, K, eosType, O rhoKp1, @@ -260,20 +265,17 @@ CALL CONVECT( I bi,bj,iMin,iMax,jMin,jMax,K+1,rhoKm1,rhoKp1, I myTime,myIter,myThid) - C-- Recompute density after mixing CALL FIND_RHO( I bi, bj, iMin, iMax, jMin, jMax, K, K, eosType, O rhoKm1, I myThid ) ENDIF - C-- Calculate buoyancy CALL CALC_BUOY( I bi,bj,iMin,iMax,jMin,jMax,K,rhoKm1, O buoyKm1, I myThid ) - C-- Integrate hydrostatic balance for pH with BC of pH(z=0)=0 CALL CALC_PHI_HYD( I bi,bj,iMin,iMax,jMin,jMax,K,buoyKm1,buoyKm1, @@ -281,20 +283,18 @@ I myThid ) DO K=2,Nz - BOTTOM_LAYER = K .EQ. Nz IF ( .NOT. BOTTOM_LAYER ) THEN C-- Update fields in layer below according to tendency terms CALL CORRECTION_STEP( - I bi,bj,iMin,iMax,jMin,jMax,K+1,etaSurfX,etaSurfY,myTime,myThid) + I bi,bj,iMin,iMax,jMin,jMax,K+1, + I etaSurfX,etaSurfY,myTime,myThid) ENDIF - C-- Density of K level (below W(K)) reference to K level CALL FIND_RHO( I bi, bj, iMin, iMax, jMin, jMax, K, K, eosType, O rhoK, I myThid ) - IF ( .NOT. BOTTOM_LAYER ) THEN C-- Check static stability with layer below and mix as needed. C-- Density of K+1 level (below W(K+1)) reference to K level. @@ -311,38 +311,36 @@ O rhoK, I myThid ) ENDIF - C-- Calculate buoyancy CALL CALC_BUOY( I bi,bj,iMin,iMax,jMin,jMax,K,rhoK, O buoyK, I myThid ) - C-- Integrate hydrostatic balance for pH with BC of pH(z=0)=0 CALL CALC_PHI_HYD( - I bi,bj,iMin,iMax,jMin,jMax,K,buoyKm1,buoyK, - U phiHyd, - I myThid ) + I bi,bj,iMin,iMax,jMin,jMax,K,buoyKm1,buoyK, + U phiHyd, + I myThid ) C-- Calculate iso-neutral slopes for the GM/Redi parameterisation CALL FIND_RHO( - I bi, bj, iMin, iMax, jMin, jMax, K-1, K, eosType, - O rhoTmp, - I myThid ) + I bi, bj, iMin, iMax, jMin, jMax, K-1, K, eosType, + O rhoTmp, + I myThid ) CALL CALC_ISOSLOPES( - I bi, bj, iMin, iMax, jMin, jMax, K, - I rhoKm1, rhoK, rhotmp, - O K13, K23, K33, KapGM, - I myThid ) + I bi, bj, iMin, iMax, jMin, jMax, K, + I rhoKm1, rhoK, rhotmp, + O K13, K23, K33, KapGM, + I myThid ) DO J=jMin,jMax DO I=iMin,iMax rhoKm1 (I,J) = rhoK(I,J) buoyKm1(I,J) = buoyK(I,J) ENDDO ENDDO - ENDDO ! K DO K = Nz, 1, -1 + kM1 =max(1,k-1) ! Points to level above k (=k-1) kUp =1+MOD(k+1,2) ! Cycles through 1,2 to point to layer above kDown=1+MOD(k,2) ! Cycles through 2,1 to point to current layer @@ -354,52 +352,47 @@ C-- Get temporary terms used by tendency routines CALL CALC_COMMON_FACTORS ( I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown, - O xA,yA,uTrans,vTrans,wTrans,wVel,maskC,maskUp, + O xA,yA,uTrans,vTrans,rTrans,rVel,maskC,maskUp, I myThid) - C-- Calculate the total vertical diffusivity CALL CALC_DIFFUSIVITY( I bi,bj,iMin,iMax,jMin,jMax,K, I maskC,maskUp,KapGM,K33, O KappaZT,KappaZS, I myThid) - C-- Calculate accelerations in the momentum equations IF ( momStepping ) THEN CALL CALC_MOM_RHS( I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown, - I xA,yA,uTrans,vTrans,wTrans,wVel,maskC, + I xA,yA,uTrans,vTrans,rTrans,rVel,maskC, I phiHyd, U aTerm,xTerm,cTerm,mTerm,pTerm, U fZon, fMer, fVerU, fVerV, I myThid) ENDIF - C-- Calculate active tracer tendencies IF ( tempStepping ) THEN CALL CALC_GT( I bi,bj,iMin,iMax,jMin,jMax, k,kM1,kUp,kDown, - I xA,yA,uTrans,vTrans,wTrans,maskUp,maskC, - I K13,K23,KappaZT,KapGM, + I xA,yA,uTrans,vTrans,rTrans,maskUp,maskC, + I K13,K23,KappaRT,KapGM, U aTerm,xTerm,fZon,fMer,fVerT, I myThid) ENDIF IF ( saltStepping ) THEN CALL CALC_GS( I bi,bj,iMin,iMax,jMin,jMax, k,kM1,kUp,kDown, - I xA,yA,uTrans,vTrans,wTrans,maskUp,maskC, - I K13,K23,KappaZS,KapGM, + I xA,yA,uTrans,vTrans,rTrans,maskUp,maskC, + I K13,K23,KappaRS,KapGM, U aTerm,xTerm,fZon,fMer,fVerS, I myThid) ENDIF - C-- Prediction step (step forward all model variables) CALL TIMESTEP( I bi,bj,iMin,iMax,jMin,jMax,K, I myThid) - C-- Diagnose barotropic divergence of predicted fields - CALL DIV_G( + CALL CALC_DIV_G( I bi,bj,iMin,iMax,jMin,jMax,K, I xA,yA, I myThid) @@ -409,7 +402,7 @@ IF (taveFreq.GT.0.) THEN CALL DO_TIME_AVERAGES( I myTime, myIter, bi, bj, K, kUp, kDown, - I K13, K23, wVel, KapGM, + I K13, K23, rVel, KapGM, I myThid ) ENDIF #endif @@ -432,12 +425,12 @@ C & maxval(uVel(1:sNx,1:sNy,1,:,:),mask=uVel(1:sNx,1:sNy,1,:,:).NE.0.) C write(0,*) 'dynamics: V ',minval(vVel(1:sNx,1:sNy,1,:,:),mask=vVel(1:sNx,1:sNy,1,:,:).NE.0.), C & maxval(vVel(1:sNx,1:sNy,1,:,:),mask=vVel(1:sNx,1:sNy,1,:,:).NE.0.) -C write(0,*) 'dynamics: wVel(1) ', -C & minval(wVel(1:sNx,1:sNy,1),mask=wVel(1:sNx,1:sNy,1).NE.0.), -C & maxval(wVel(1:sNx,1:sNy,1),mask=wVel(1:sNx,1:sNy,1).NE.0.) -C write(0,*) 'dynamics: wVel(2) ', -C & minval(wVel(1:sNx,1:sNy,2),mask=wVel(1:sNx,1:sNy,2).NE.0.), -C & maxval(wVel(1:sNx,1:sNy,2),mask=wVel(1:sNx,1:sNy,2).NE.0.) +C write(0,*) 'dynamics: rVel(1) ', +C & minval(rVel(1:sNx,1:sNy,1),mask=rVel(1:sNx,1:sNy,1).NE.0.), +C & maxval(rVel(1:sNx,1:sNy,1),mask=rVel(1:sNx,1:sNy,1).NE.0.) +C write(0,*) 'dynamics: rVel(2) ', +C & minval(rVel(1:sNx,1:sNy,2),mask=rVel(1:sNx,1:sNy,2).NE.0.), +C & maxval(rVel(1:sNx,1:sNy,2),mask=rVel(1:sNx,1:sNy,2).NE.0.) cblk write(0,*) 'dynamics: K13',minval(K13(1:sNx,1:sNy,:)), cblk & maxval(K13(1:sNx,1:sNy,:)) cblk write(0,*) 'dynamics: K23',minval(K23(1:sNx,1:sNy,:)),