/[MITgcm]/MITgcm/pkg/generic_advdiff/gad_calc_rhs.F
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revision 1.17 by jmc, Sun Jan 26 21:08:36 2003 UTC revision 1.27 by jmc, Fri Sep 24 16:52:44 2004 UTC
# Line 9  C !ROUTINE: GAD_CALC_RHS Line 9  C !ROUTINE: GAD_CALC_RHS
9  C !INTERFACE: ==========================================================  C !INTERFACE: ==========================================================
10        SUBROUTINE GAD_CALC_RHS(        SUBROUTINE GAD_CALC_RHS(
11       I           bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown,       I           bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown,
12       I           xA,yA,uTrans,vTrans,rTrans,maskUp,       I           xA,yA,uTrans,vTrans,rTrans,rTransKp1,maskUp,
13         I           uVel, vVel, wVel,
14       I           diffKh, diffK4, KappaRT, Tracer,       I           diffKh, diffK4, KappaRT, Tracer,
15       I           tracerIdentity, advectionScheme, calcAdvection,       I           tracerIdentity, advectionScheme, vertAdvecScheme,
16         I           calcAdvection, implicitAdvection,
17       U           fVerT, gTracer,       U           fVerT, gTracer,
18       I           myThid )       I           myTime, myIter, myThid )
19    
20  C !DESCRIPTION:  C !DESCRIPTION:
21  C Calculates the tendancy of a tracer due to advection and diffusion.  C Calculates the tendancy of a tracer due to advection and diffusion.
# Line 40  C !USES: =============================== Line 42  C !USES: ===============================
42  #include "EEPARAMS.h"  #include "EEPARAMS.h"
43  #include "PARAMS.h"  #include "PARAMS.h"
44  #include "GRID.h"  #include "GRID.h"
 #include "DYNVARS.h"  
45  #include "SURFACE.h"  #include "SURFACE.h"
46  #include "GAD.h"  #include "GAD.h"
47    
# Line 50  C !USES: =============================== Line 51  C !USES: ===============================
51  #endif /* ALLOW_AUTODIFF_TAMC */  #endif /* ALLOW_AUTODIFF_TAMC */
52    
53  C !INPUT PARAMETERS: ===================================================  C !INPUT PARAMETERS: ===================================================
54  C  bi,bj                :: tile indices  C bi,bj            :: tile indices
55  C  iMin,iMax,jMin,jMax  :: loop range for called routines  C iMin,iMax        :: loop range for called routines
56  C  kup                  :: index into 2 1/2D array, toggles between 1 and 2  C jMin,jMax        :: loop range for called routines
57  C  kdown                :: index into 2 1/2D array, toggles between 2 and 1  C kup              :: index into 2 1/2D array, toggles between 1|2
58  C  kp1                  :: =k+1 for k<Nr, =Nr for k=Nr  C kdown            :: index into 2 1/2D array, toggles between 2|1
59  C  xA,yA                :: areas of X and Y face of tracer cells  C kp1              :: =k+1 for k<Nr, =Nr for k=Nr
60  C  uTrans,vTrans,rTrans :: 2-D arrays of volume transports at U,V and W points  C xA,yA            :: areas of X and Y face of tracer cells
61  C  maskUp               :: 2-D array for mask at W points  C uTrans,vTrans    :: 2-D arrays of volume transports at U,V points
62  C  diffKh               :: horizontal diffusion coefficient  C rTrans           :: 2-D arrays of volume transports at W points
63  C  diffK4               :: bi-harmonic diffusion coefficient  C rTransKp1        :: 2-D array of volume trans at W pts, interf k+1
64  C  KappaRT              :: 3-D array for vertical diffusion coefficient  C maskUp           :: 2-D array for mask at W points
65  C  Tracer               :: tracer field  C uVel,vVel,wVel   :: 3 components of the velcity field (3-D array)
66  C  tracerIdentity       :: identifier for the tracer (required only for KPP)  C diffKh           :: horizontal diffusion coefficient
67  C  advectionScheme      :: advection scheme to use  C diffK4           :: bi-harmonic diffusion coefficient
68  C  calcAdvection        :: =False if Advec terms computed with multiDim scheme  C KappaRT          :: 3-D array for vertical diffusion coefficient
69  C  myThid               :: thread number  C Tracer           :: tracer field
70    C tracerIdentity   :: tracer identifier (required for KPP,GM)
71    C advectionScheme  :: advection scheme to use (Horizontal plane)
72    C vertAdvecScheme  :: advection scheme to use (Vertical direction)
73    C calcAdvection    :: =False if Advec computed with multiDim scheme
74    C implicitAdvection:: =True if vertical Advec computed implicitly
75    C myTime           :: current time
76    C myIter           :: iteration number
77    C myThid           :: thread number
78        INTEGER bi,bj,iMin,iMax,jMin,jMax        INTEGER bi,bj,iMin,iMax,jMin,jMax
79        INTEGER k,kUp,kDown,kM1        INTEGER k,kUp,kDown,kM1
80        _RS xA    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RS xA    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
# Line 73  C  myThid               :: thread number Line 82  C  myThid               :: thread number
82        _RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
83        _RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
84        _RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
85          _RL rTransKp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
86        _RS maskUp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RS maskUp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
87          _RL uVel  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
88          _RL vVel  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
89          _RL wVel  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
90        _RL diffKh, diffK4        _RL diffKh, diffK4
91        _RL KappaRT(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)        _RL KappaRT(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
92        _RL Tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)        _RL Tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
93        INTEGER tracerIdentity        INTEGER tracerIdentity
94        INTEGER advectionScheme        INTEGER advectionScheme, vertAdvecScheme
95        LOGICAL calcAdvection        LOGICAL calcAdvection
96        INTEGER myThid        LOGICAL implicitAdvection
97          _RL     myTime
98          INTEGER myIter, myThid
99    
100  C !OUTPUT PARAMETERS: ==================================================  C !OUTPUT PARAMETERS: ==================================================
101  C  gTracer              :: tendancy array  C gTracer          :: tendancy array
102  C  fVerT                :: 2 1/2D arrays for vertical advective flux  C fVerT            :: 2 1/2D arrays for vertical advective flux
103        _RL gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)        _RL gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
104        _RL fVerT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2)        _RL fVerT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2)
105    
106  C !LOCAL VARIABLES: ====================================================  C !LOCAL VARIABLES: ====================================================
107  C  i,j                  :: loop indices  C i,j              :: loop indices
108  C  df4                  :: used for storing del^2 T for bi-harmonic term  C df4              :: used for storing del^2 T for bi-harmonic term
109  C  fZon                 :: zonal flux  C fZon             :: zonal flux
110  C  fmer                 :: meridional flux  C fmer             :: meridional flux
111  C  af                   :: advective flux  C af               :: advective flux
112  C  df                   :: diffusive flux  C df               :: diffusive flux
113  C  localT               :: local copy of tracer field  C localT           :: local copy of tracer field
114        INTEGER i,j        INTEGER i,j
115        _RL df4   (1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL df4   (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
116        _RL fZon  (1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL fZon  (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
# Line 103  C  localT               :: local copy of Line 118  C  localT               :: local copy of
118        _RL af    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL af    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
119        _RL df    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL df    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
120        _RL localT(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL localT(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
121          _RL advFac, rAdvFac
122  CEOP  CEOP
123    
124  #ifdef ALLOW_AUTODIFF_TAMC  #ifdef ALLOW_AUTODIFF_TAMC
# Line 111  C--   the kDown is still required Line 127  C--   the kDown is still required
127        fVerT(1,1,kDown) = fVerT(1,1,kDown)        fVerT(1,1,kDown) = fVerT(1,1,kDown)
128  #endif  #endif
129    
130          advFac  = 0. _d 0
131          IF (calcAdvection) advFac = 1. _d 0
132          rAdvFac = rkFac*advFac
133          IF (implicitAdvection) rAdvFac = 0. _d 0
134    
135        DO j=1-OLy,sNy+OLy        DO j=1-OLy,sNy+OLy
136         DO i=1-OLx,sNx+OLx         DO i=1-OLx,sNx+OLx
137          fZon(i,j)      = 0. _d 0          fZon(i,j)      = 0. _d 0
# Line 118  C--   the kDown is still required Line 139  C--   the kDown is still required
139          fVerT(i,j,kUp) = 0. _d 0          fVerT(i,j,kUp) = 0. _d 0
140          df(i,j)        = 0. _d 0          df(i,j)        = 0. _d 0
141          df4(i,j)       = 0. _d 0          df4(i,j)       = 0. _d 0
         localT(i,j)    = 0. _d 0  
142         ENDDO         ENDDO
143        ENDDO        ENDDO
144    
# Line 131  C--   Make local copy of tracer array Line 151  C--   Make local copy of tracer array
151    
152  C--   Unless we have already calculated the advection terms we initialize  C--   Unless we have already calculated the advection terms we initialize
153  C     the tendency to zero.  C     the tendency to zero.
154        IF (calcAdvection) THEN  C     <== now done earlier at the beginning of thermodynamics.
155         DO j=1-Oly,sNy+Oly  c     IF (calcAdvection) THEN
156          DO i=1-Olx,sNx+Olx  c      DO j=1-Oly,sNy+Oly
157           gTracer(i,j,k,bi,bj)=0. _d 0  c       DO i=1-Olx,sNx+Olx
158          ENDDO  c        gTracer(i,j,k,bi,bj)=0. _d 0
159         ENDDO  c       ENDDO
160        ENDIF  c      ENDDO
161    c     ENDIF
162    
163  C--   Pre-calculate del^2 T if bi-harmonic coefficient is non-zero  C--   Pre-calculate del^2 T if bi-harmonic coefficient is non-zero
164        IF (diffK4 .NE. 0.) THEN        IF (diffK4 .NE. 0.) THEN
# Line 158  C-    Advective flux in X Line 179  C-    Advective flux in X
179        IF (advectionScheme.EQ.ENUM_CENTERED_2ND) THEN        IF (advectionScheme.EQ.ENUM_CENTERED_2ND) THEN
180         CALL GAD_C2_ADV_X(bi,bj,k,uTrans,localT,af,myThid)         CALL GAD_C2_ADV_X(bi,bj,k,uTrans,localT,af,myThid)
181        ELSEIF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN        ELSEIF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN
182         CALL GAD_FLUXLIMIT_ADV_X(         CALL GAD_FLUXLIMIT_ADV_X( bi,bj,k, deltaTtracer,
183       &      bi,bj,k,deltaTtracer,uTrans,uVel,localT,af,myThid)       I          uTrans, uVel, maskW(1-Olx,1-Oly,k,bi,bj), localT,
184         O          af, myThid )
185        ELSEIF (advectionScheme.EQ.ENUM_UPWIND_3RD ) THEN        ELSEIF (advectionScheme.EQ.ENUM_UPWIND_3RD ) THEN
186         CALL GAD_U3_ADV_X(bi,bj,k,uTrans,localT,af,myThid)         CALL GAD_U3_ADV_X(bi,bj,k,uTrans,localT,af,myThid)
187        ELSEIF (advectionScheme.EQ.ENUM_CENTERED_4TH) THEN        ELSEIF (advectionScheme.EQ.ENUM_CENTERED_4TH) THEN
188         CALL GAD_C4_ADV_X(bi,bj,k,uTrans,localT,af,myThid)         CALL GAD_C4_ADV_X(bi,bj,k,uTrans,localT,af,myThid)
189        ELSEIF (advectionScheme.EQ.ENUM_DST3 ) THEN        ELSEIF (advectionScheme.EQ.ENUM_DST3 ) THEN
190         CALL GAD_DST3_ADV_X(         CALL GAD_DST3_ADV_X( bi,bj,k, deltaTtracer,
191       &       bi,bj,k,deltaTtracer,uTrans,uVel,localT,af,myThid)       I          uTrans, uVel, maskW(1-Olx,1-Oly,k,bi,bj), localT,
192         O          af, myThid )
193        ELSEIF (advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN        ELSEIF (advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN
194         CALL GAD_DST3FL_ADV_X(         CALL GAD_DST3FL_ADV_X( bi,bj,k, deltaTtracer,
195       &       bi,bj,k,deltaTtracer,uTrans,uVel,localT,af,myThid)       I          uTrans, uVel, maskW(1-Olx,1-Oly,k,bi,bj), localT,
196         O          af, myThid )
197        ELSE        ELSE
198         STOP 'GAD_CALC_RHS: Bad advectionScheme (X)'         STOP 'GAD_CALC_RHS: Bad advectionScheme (X)'
199        ENDIF        ENDIF
# Line 230  C-    Advective flux in Y Line 254  C-    Advective flux in Y
254        IF (advectionScheme.EQ.ENUM_CENTERED_2ND) THEN        IF (advectionScheme.EQ.ENUM_CENTERED_2ND) THEN
255         CALL GAD_C2_ADV_Y(bi,bj,k,vTrans,localT,af,myThid)         CALL GAD_C2_ADV_Y(bi,bj,k,vTrans,localT,af,myThid)
256        ELSEIF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN        ELSEIF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN
257         CALL GAD_FLUXLIMIT_ADV_Y(         CALL GAD_FLUXLIMIT_ADV_Y( bi,bj,k, deltaTtracer,
258       &       bi,bj,k,deltaTtracer,vTrans,vVel,localT,af,myThid)       I          vTrans, vVel, maskS(1-Olx,1-Oly,k,bi,bj), localT,
259         O          af, myThid )
260        ELSEIF (advectionScheme.EQ.ENUM_UPWIND_3RD ) THEN        ELSEIF (advectionScheme.EQ.ENUM_UPWIND_3RD ) THEN
261         CALL GAD_U3_ADV_Y(bi,bj,k,vTrans,localT,af,myThid)         CALL GAD_U3_ADV_Y(bi,bj,k,vTrans,localT,af,myThid)
262        ELSEIF (advectionScheme.EQ.ENUM_CENTERED_4TH) THEN        ELSEIF (advectionScheme.EQ.ENUM_CENTERED_4TH) THEN
263         CALL GAD_C4_ADV_Y(bi,bj,k,vTrans,localT,af,myThid)         CALL GAD_C4_ADV_Y(bi,bj,k,vTrans,localT,af,myThid)
264        ELSEIF (advectionScheme.EQ.ENUM_DST3 ) THEN        ELSEIF (advectionScheme.EQ.ENUM_DST3 ) THEN
265         CALL GAD_DST3_ADV_Y(         CALL GAD_DST3_ADV_Y( bi,bj,k, deltaTtracer,
266       &       bi,bj,k,deltaTtracer,vTrans,vVel,localT,af,myThid)       I          vTrans, vVel, maskS(1-Olx,1-Oly,k,bi,bj), localT,
267         O          af, myThid )
268        ELSEIF (advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN        ELSEIF (advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN
269         CALL GAD_DST3FL_ADV_Y(         CALL GAD_DST3FL_ADV_Y( bi,bj,k, deltaTtracer,
270       &       bi,bj,k,deltaTtracer,vTrans,vVel,localT,af,myThid)       I          vTrans, vVel, maskS(1-Olx,1-Oly,k,bi,bj), localT,
271         O          af, myThid )
272        ELSE        ELSE
273         STOP 'GAD_CALC_RHS: Bad advectionScheme (Y)'         STOP 'GAD_CALC_RHS: Bad advectionScheme (Y)'
274        ENDIF        ENDIF
# Line 290  C-    Bi-harmonic flux in Y Line 317  C-    Bi-harmonic flux in Y
317         ENDDO         ENDDO
318        ENDIF        ENDIF
319    
 #ifdef NONLIN_FRSURF  
 C--   Compute vertical flux fVerT(kDown) at interface k+1 (between k & k+1):  
       IF ( calcAdvection .AND. K.EQ.Nr .AND.  
      &     useRealFreshWaterFlux .AND.  
      &     buoyancyRelation .EQ. 'OCEANICP' ) THEN    
        DO j=1-Oly,sNy+Oly  
         DO i=1-Olx,sNx+Olx  
          fVerT(i,j,kDown) = convertEmP2rUnit*PmEpR(i,j,bi,bj)  
      &     *rA(i,j,bi,bj)*maskC(i,j,k,bi,bj)*Tracer(i,j,k,bi,bj)  
         ENDDO  
        ENDDO  
       ENDIF  
 #endif /* NONLIN_FRSURF */  
   
320  C--   Compute vertical flux fVerT(kUp) at interface k (between k-1 & k):  C--   Compute vertical flux fVerT(kUp) at interface k (between k-1 & k):
321  C-    Advective flux in R  C-    Advective flux in R
322        IF (calcAdvection) THEN  #ifdef ALLOW_AIM
323  C     Note: wVel needs to be masked  C- a hack to prevent Water-Vapor vert.transport into the stratospheric level Nr
324        IF (K.GE.2) THEN        IF (calcAdvection .AND. .NOT.implicitAdvection .AND. K.GE.2 .AND.
325         &     (.NOT.useAIM .OR.tracerIdentity.NE.GAD_SALINITY .OR.K.LT.Nr)
326         &   ) THEN
327    #else
328          IF (calcAdvection .AND. .NOT.implicitAdvection .AND. K.GE.2) THEN
329    #endif
330  C-    Compute vertical advective flux in the interior:  C-    Compute vertical advective flux in the interior:
331         IF (advectionScheme.EQ.ENUM_CENTERED_2ND) THEN         IF (vertAdvecScheme.EQ.ENUM_CENTERED_2ND) THEN
332          CALL GAD_C2_ADV_R(bi,bj,k,rTrans,tracer,af,myThid)          CALL GAD_C2_ADV_R(bi,bj,k,rTrans,tracer,af,myThid)
333         ELSEIF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN         ELSEIF (vertAdvecScheme.EQ.ENUM_FLUX_LIMIT) THEN
334          CALL GAD_FLUXLIMIT_ADV_R(          CALL GAD_FLUXLIMIT_ADV_R(
335       &       bi,bj,k,deltaTtracer,rTrans,wVel,tracer,af,myThid)       &       bi,bj,k,deltaTtracer,rTrans,wVel,tracer,af,myThid)
336         ELSEIF (advectionScheme.EQ.ENUM_UPWIND_3RD ) THEN         ELSEIF (vertAdvecScheme.EQ.ENUM_UPWIND_3RD ) THEN
337          CALL GAD_U3_ADV_R(bi,bj,k,rTrans,tracer,af,myThid)          CALL GAD_U3_ADV_R(bi,bj,k,rTrans,tracer,af,myThid)
338         ELSEIF (advectionScheme.EQ.ENUM_CENTERED_4TH) THEN         ELSEIF (vertAdvecScheme.EQ.ENUM_CENTERED_4TH) THEN
339          CALL GAD_C4_ADV_R(bi,bj,k,rTrans,tracer,af,myThid)          CALL GAD_C4_ADV_R(bi,bj,k,rTrans,tracer,af,myThid)
340         ELSEIF (advectionScheme.EQ.ENUM_DST3 ) THEN         ELSEIF (vertAdvecScheme.EQ.ENUM_DST3 ) THEN
341          CALL GAD_DST3_ADV_R(          CALL GAD_DST3_ADV_R(
342       &       bi,bj,k,deltaTtracer,rTrans,wVel,tracer,af,myThid)       &       bi,bj,k,deltaTtracer,rTrans,wVel,tracer,af,myThid)
343         ELSEIF (advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN         ELSEIF (vertAdvecScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN
344          CALL GAD_DST3FL_ADV_R(          CALL GAD_DST3FL_ADV_R(
345       &       bi,bj,k,deltaTtracer,rTrans,wVel,tracer,af,myThid)       &       bi,bj,k,deltaTtracer,rTrans,wVel,tracer,af,myThid)
346         ELSE         ELSE
347          STOP 'GAD_CALC_RHS: Bad advectionScheme (R)'          STOP 'GAD_CALC_RHS: Bad vertAdvecScheme (R)'
348         ENDIF         ENDIF
349  C-    Surface "correction" term at k>1 :  C-     add the advective flux to fVerT
350         DO j=1-Oly,sNy+Oly         DO j=1-Oly,sNy+Oly
351          DO i=1-Olx,sNx+Olx          DO i=1-Olx,sNx+Olx
352           af(i,j) = af(i,j)           fVerT(i,j,kUp) = fVerT(i,j,kUp) + af(i,j)
      &           + (maskC(i,j,k,bi,bj)-maskC(i,j,k-1,bi,bj))*  
      &             rTrans(i,j)*Tracer(i,j,k,bi,bj)  
353          ENDDO          ENDDO
        ENDDO  
       ELSE  
 C-    Surface "correction" term at k=1 :  
        DO j=1-Oly,sNy+Oly  
         DO i=1-Olx,sNx+Olx  
          af(i,j) = rTrans(i,j)*Tracer(i,j,k,bi,bj)  
         ENDDO  
        ENDDO  
       ENDIF  
 C-    add the advective flux to fVerT  
       DO j=1-Oly,sNy+Oly  
        DO i=1-Olx,sNx+Olx  
         fVerT(i,j,kUp) = fVerT(i,j,kUp) + af(i,j)  
354         ENDDO         ENDDO
       ENDDO  
355        ENDIF        ENDIF
356    
357  C-    Diffusive flux in R  C-    Diffusive flux in R
# Line 402  C *note* should update KPP_TRANSPORT_T t Line 404  C *note* should update KPP_TRANSPORT_T t
404       I     iMin,iMax,jMin,jMax,bi,bj,k,km1,       I     iMin,iMax,jMin,jMax,bi,bj,k,km1,
405       I     KappaRT,       I     KappaRT,
406       U     df )       U     df )
407    #ifdef ALLOW_PTRACERS
408           ELSEIF (tracerIdentity .GE. GAD_TR1) THEN
409            CALL KPP_TRANSPORT_PTR(
410         I     iMin,iMax,jMin,jMax,bi,bj,k,km1,
411         I     tracerIdentity-GAD_TR1+1,KappaRT,
412         U     df )
413    #endif
414         ELSE         ELSE
415            PRINT*,'invalid tracer indentity: ', tracerIdentity
416          STOP 'GAD_CALC_RHS: Ooops'          STOP 'GAD_CALC_RHS: Ooops'
417         ENDIF         ENDIF
418         DO j=1-Oly,sNy+Oly         DO j=1-Oly,sNy+Oly
# Line 417  C--   Divergence of fluxes Line 427  C--   Divergence of fluxes
427        DO j=1-Oly,sNy+Oly-1        DO j=1-Oly,sNy+Oly-1
428         DO i=1-Olx,sNx+Olx-1         DO i=1-Olx,sNx+Olx-1
429          gTracer(i,j,k,bi,bj)=gTracer(i,j,k,bi,bj)          gTracer(i,j,k,bi,bj)=gTracer(i,j,k,bi,bj)
430       &   -_recip_hFacC(i,j,k,bi,bj)*recip_drF(k)       &   -_recip_hFacC(i,j,k,bi,bj)*recip_drF(k)*recip_rA(i,j,bi,bj)
431       &    *recip_rA(i,j,bi,bj)       &   *( (fZon(i+1,j)-fZon(i,j))
432       &    *(       &     +(fMer(i,j+1)-fMer(i,j))
433       &    +( fZon(i+1,j)-fZon(i,j) )       &     +(fVerT(i,j,kUp)-fVerT(i,j,kDown))*rkFac
434       &    +( fMer(i,j+1)-fMer(i,j) )       &     -localT(i,j)*( (uTrans(i+1,j)-uTrans(i,j))
435       &    +( fVerT(i,j,kUp)-fVerT(i,j,kDown) )*rkFac       &                   +(vTrans(i,j+1)-vTrans(i,j))
436         &                   +(rTrans(i,j)-rTransKp1(i,j))*rAdvFac
437         &                  )*advFac
438       &    )       &    )
439         ENDDO         ENDDO
440        ENDDO        ENDDO
441    
442  #ifdef NONLIN_FRSURF  #ifdef ALLOW_DEBUG
443  C-- account for 3.D divergence of the flow in rStar coordinate:        IF ( debugLevel .GE. debLevB
444        IF (calcAdvection .AND. select_rStar.GT.0) THEN       &   .AND. k.EQ.2 .AND. myIter.EQ.1+nIter0
445         DO j=1-Oly,sNy+Oly-1       &   .AND. nPx.EQ.1 .AND. nPy.EQ.1
446          DO i=1-Olx,sNx+Olx-1       &   .AND. useCubedSphereExchange ) THEN
447           gTracer(i,j,k,bi,bj) = gTracer(i,j,k,bi,bj)          CALL DEBUG_CS_CORNER_UV( ' fZon,fMer from GAD_CALC_RHS',
448       &     - (rStarExpC(i,j,bi,bj) - 1. _d 0)/deltaTfreesurf       &             fZon,fMer, k, standardMessageUnit,bi,bj,myThid )
      &       *tracer(i,j,k,bi,bj)*maskC(i,j,k,bi,bj)  
         ENDDO  
        ENDDO  
449        ENDIF        ENDIF
450        IF (calcAdvection .AND. select_rStar.LT.0) THEN  #endif /* ALLOW_DEBUG */
451         DO j=1-Oly,sNy+Oly-1  
         DO i=1-Olx,sNx+Olx-1  
          gTracer(i,j,k,bi,bj) = gTracer(i,j,k,bi,bj)  
      &     - rStarDhCDt(i,j,bi,bj)  
      &       *tracer(i,j,k,bi,bj)*maskC(i,j,k,bi,bj)  
         ENDDO  
        ENDDO  
       ENDIF  
 #endif /* NONLIN_FRSURF */  
         
   
452        RETURN        RETURN
453        END        END
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