/[MITgcm]/MITgcm/model/src/dynamics.F
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revision 1.2 by cnh, Fri Apr 24 02:05:40 1998 UTC revision 1.6 by adcroft, Wed May 20 21:29:31 1998 UTC
# Line 25  C     == Global variables === Line 25  C     == Global variables ===
25  #include "SIZE.h"  #include "SIZE.h"
26  #include "EEPARAMS.h"  #include "EEPARAMS.h"
27  #include "CG2D.h"  #include "CG2D.h"
28    #include "PARAMS.h"
29    #include "DYNVARS.h"
30    
31  C     == Routine arguments ==  C     == Routine arguments ==
32  C     myThid - Thread number for this instance of the routine.  C     myThid - Thread number for this instance of the routine.
# Line 76  C                          into fVerTerm Line 78  C                          into fVerTerm
78        _RL fVerU (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2)        _RL fVerU (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2)
79        _RL fVerV (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2)        _RL fVerV (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2)
80        _RL pH    (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz)        _RL pH    (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz)
81          _RL rhokm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
82          _RL rhokp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
83          _RL pSurfX(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
84          _RL pSurfY(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
85          _RL K13   (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz)
86          _RL K23   (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz)
87          _RL K33   (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz)
88          _RL KapGM (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
89        INTEGER iMin, iMax        INTEGER iMin, iMax
90        INTEGER jMin, jMax        INTEGER jMin, jMax
91        INTEGER bi, bj        INTEGER bi, bj
# Line 89  C     point numbers. This prevents spuri Line 99  C     point numbers. This prevents spuri
99  C     uninitialised but inert locations.  C     uninitialised but inert locations.
100        DO j=1-OLy,sNy+OLy        DO j=1-OLy,sNy+OLy
101         DO i=1-OLx,sNx+OLx         DO i=1-OLx,sNx+OLx
102          xA(i,j)      = 0.*1. _d 37          xA(i,j)      = 0. _d 0
103          yA(i,j)      = 0.*1. _d 37          yA(i,j)      = 0. _d 0
104          uTrans(i,j)  = 0.*1. _d 37          uTrans(i,j)  = 0. _d 0
105          vTrans(i,j)  = 0.*1. _d 37          vTrans(i,j)  = 0. _d 0
106          aTerm(i,j)   = 0.*1. _d 37          aTerm(i,j)   = 0. _d 0
107          xTerm(i,j)   = 0.*1. _d 37          xTerm(i,j)   = 0. _d 0
108          cTerm(i,j)   = 0.*1. _d 37          cTerm(i,j)   = 0. _d 0
109          mTerm(i,j)   = 0.*1. _d 37          mTerm(i,j)   = 0. _d 0
110          pTerm(i,j)   = 0.*1. _d 37          pTerm(i,j)   = 0. _d 0
111          fZon(i,j)    = 0.*1. _d 37          fZon(i,j)    = 0. _d 0
112          fMer(i,j)    = 0.*1. _d 37          fMer(i,j)    = 0. _d 0
113          DO K=1,nZ          DO K=1,nZ
114           pH (i,j,k)  = 0.*1. _d 37           pH (i,j,k)  = 0. _d 0
115             K13(i,j,k) = 0. _d 0
116             K23(i,j,k) = 0. _d 0
117             K33(i,j,k) = 0. _d 0
118          ENDDO          ENDDO
119            rhokm1(i,j)  = 0. _d 0
120            rhokp1(i,j)  = 0. _d 0
121         ENDDO         ENDDO
122        ENDDO        ENDDO
123  C--   Set up work arrays that need valid initial values  C--   Set up work arrays that need valid initial values
# Line 123  C--   Set up work arrays that need valid Line 138  C--   Set up work arrays that need valid
138        DO bj=myByLo(myThid),myByHi(myThid)        DO bj=myByLo(myThid),myByHi(myThid)
139         DO bi=myBxLo(myThid),myBxHi(myThid)         DO bi=myBxLo(myThid),myBxHi(myThid)
140    
141    C--   Boundary condition on hydrostatic pressure is pH(z=0)=0
142            DO j=1-OLy,sNy+OLy
143             DO i=1-OLx,sNx+OLx
144              pH(i,j,1) = 0. _d 0
145              K13(i,j,1) = 0. _d 0
146              K23(i,j,1) = 0. _d 0
147              K33(i,j,1) = 0. _d 0
148              KapGM(i,j) = 0. _d 0
149             ENDDO
150            ENDDO
151    
152          iMin = 1-OLx+1          iMin = 1-OLx+1
153          iMax = sNx+OLx          iMax = sNx+OLx
154          jMin = 1-OLy+1          jMin = 1-OLy+1
155          jMax = sNy+OLy          jMax = sNy+OLy
156    
157  C--     Update fields according to tendency terms  C--     Calculate gradient of surface pressure
158            CALL GRAD_PSURF(
159         I       bi,bj,iMin,iMax,jMin,jMax,
160         O       pSurfX,pSurfY,
161         I       myThid)
162    
163    C--     Update fields in top level according to tendency terms
164          CALL TIMESTEP(          CALL TIMESTEP(
165       I       bi,bj,iMin,iMax,jMin,jMax,myThid)       I       bi,bj,iMin,iMax,jMin,jMax,1,pSurfX,pSurfY,myThid)
166    
167  C--     Calculate rho with the appropriate equation of state  C Density of 1st level (below W(1)) reference to level 1
168          CALL FIND_RHO(           CALL FIND_RHO(
169       I       bi,bj,iMin,iMax,jMin,jMax,myThid)       I      bi, bj, iMin, iMax, jMin, jMax, 1, 1, 'LINEAR',
170         O      rhoKm1,
171         I      myThid )
172    C--     Integrate hydrostatic balance for pH with BC of pH(z=0)=0
173             CALL CALC_PH(
174         I       bi,bj,iMin,iMax,jMin,jMax,1,rhoKm1,rhoKm1,
175         U       pH,
176         I       myThid )
177    
178            DO K=2,Nz
179    C--     Update fields in Kth level according to tendency terms
180            CALL TIMESTEP(
181         I       bi,bj,iMin,iMax,jMin,jMax,K,pSurfX,pSurfY,myThid)
182    C Density of K-1 level (above W(K)) reference to K level
183             CALL FIND_RHO(
184         I      bi, bj, iMin, iMax, jMin, jMax,  K-1, K, 'LINEAR',
185         O      rhoKm1,
186         I      myThid )
187    C Density of K level (below W(K)) reference to K level
188             CALL FIND_RHO(
189         I      bi, bj, iMin, iMax, jMin, jMax,  K, K, 'LINEAR',
190         O      rhoKp1,
191         I      myThid )
192    C--     Calculate iso-neutral slopes for the GM/Redi parameterisation
193             CALL CALC_ISOSLOPES(
194         I             bi, bj, iMin, iMax, jMin, jMax, K,
195         I             rhoKm1, rhoKp1,
196         O             K13, K23, K33, KapGM,
197         I             myThid )
198  C--     Calculate static stability and mix where convectively unstable  C--     Calculate static stability and mix where convectively unstable
199          CALL CONVECT(           CALL CONVECT(
200       I       bi,bj,iMin,iMax,jMin,jMax,myThid)       I       bi,bj,iMin,iMax,jMin,jMax,K,rhoKm1,rhoKp1,myThid)
201    C Density of K-1 level (above W(K)) reference to K-1 level
202             CALL FIND_RHO(
203         I      bi, bj, iMin, iMax, jMin, jMax,  K-1, K-1, 'LINEAR',
204         O      rhoKm1,
205         I      myThid )
206    C Density of K level (below W(K)) referenced to K level
207             CALL FIND_RHO(
208         I      bi, bj, iMin, iMax, jMin, jMax,  K, K, 'LINEAR',
209         O      rhoKp1,
210         I      myThid )
211  C--     Integrate hydrostatic balance for pH with BC of pH(z=0)=0  C--     Integrate hydrostatic balance for pH with BC of pH(z=0)=0
212          CALL CALC_PH(           CALL CALC_PH(
213       I       bi,bj,iMin,iMax,jMin,jMax,       I       bi,bj,iMin,iMax,jMin,jMax,K,rhoKm1,rhoKp1,
214       O       pH,       U       pH,
215       I       myThid )       I       myThid )
216    
217            ENDDO ! K
218    
219          DO K = Nz, 1, -1          DO K = Nz, 1, -1
220           kM1  =max(1,k-1)   ! Points to level above k (=k-1)           kM1  =max(1,k-1)   ! Points to level above k (=k-1)
221           kUp  =1+MOD(k+1,2) ! Cycles through 1,2 to point to layer above           kUp  =1+MOD(k+1,2) ! Cycles through 1,2 to point to layer above
# Line 174  C--      Calculate active tracer tendenc Line 244  C--      Calculate active tracer tendenc
244           CALL CALC_GT(           CALL CALC_GT(
245       I        bi,bj,iMin,iMax,jMin,jMax, k,kM1,kUp,kDown,       I        bi,bj,iMin,iMax,jMin,jMax, k,kM1,kUp,kDown,
246       I        xA,yA,uTrans,vTrans,wTrans,maskUp,       I        xA,yA,uTrans,vTrans,wTrans,maskUp,
247         I        K13,K23,K33,KapGM,
248       U        aTerm,xTerm,fZon,fMer,fVerT,       U        aTerm,xTerm,fZon,fMer,fVerT,
249       I        myThid)       I        myThid)
250  Cdbg     CALL CALC_GS(  Cdbg     CALL CALC_GS(
251  Cdbg I        bi,bj,iMin,iMax,jMin,jMax, k,kM1,kUp,kDown,  Cdbg I        bi,bj,iMin,iMax,jMin,jMax, k,kM1,kUp,kDown,
252  Cdbg I        xA,yA,uTrans,vTrans,wTrans,maskUp,  Cdbg I        xA,yA,uTrans,vTrans,wTrans,maskUp,
253    Cdbg I        K13,K23,K33,KapGM,
254  Cdbg U        aTerm,xTerm,fZon,fMer,fVerS,  Cdbg U        aTerm,xTerm,fZon,fMer,fVerS,
255  Cdbg I        myThid)  Cdbg I        myThid)
256    
257          ENDDO          ENDDO ! K
258    
259         ENDDO         ENDDO
260        ENDDO        ENDDO
261    
262    !dbg  write(0,*) 'dynamics: pS',minval(cg2d_x),maxval(cg2d_x)
263    !dbg  write(0,*) 'dynamics: U',minval(uVel(1:sNx,1:sNy,:,:,:)),
264    !dbg &                         maxval(uVel(1:sNx,1:sNy,:,:,:))
265    !dbg  write(0,*) 'dynamics: V',minval(vVel(1:sNx,1:sNy,:,:,:)),
266    !dbg &                         maxval(vVel(1:sNx,1:sNy,:,:,:))
267    !dbg  write(0,*) 'dynamics: gT',minval(gT(1:sNx,1:sNy,:,:,:)),
268    !dbg &                         maxval(gT(1:sNx,1:sNy,:,:,:))
269    !dbg  write(0,*) 'dynamics: T',minval(Theta(1:sNx,1:sNy,:,:,:)),
270    !dbg &                         maxval(Theta(1:sNx,1:sNy,:,:,:))
271    !dbg  write(0,*) 'dynamics: pH',minval(pH/(Gravity*Rhonil)),
272    !dbg &                          maxval(pH/(Gravity*Rhonil))
273    
274        RETURN        RETURN
275        END        END
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