/[MITgcm]/MITgcm/pkg/ptracers/ptracers_integrate.F
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Revision 1.31 - (hide annotations) (download)
Tue Apr 4 14:52:43 2006 UTC (18 years, 1 month ago) by heimbach
Branch: MAIN
CVS Tags: checkpoint58f_post, checkpoint58d_post, checkpoint58e_post, checkpoint58g_post, checkpoint58h_post, checkpoint58j_post, checkpoint58i_post
Changes since 1.30: +42 -11 lines
Fix ptracers adjoint
o avoid extensive recomputatations
o fix missing re-init. of gptr (missed by TAF)

1 heimbach 1.31 C $Header: /u/gcmpack/MITgcm/pkg/ptracers/ptracers_integrate.F,v 1.30 2006/03/07 15:28:39 jmc Exp $
2 adcroft 1.2 C $Name: $
3 adcroft 1.1
4     #include "PTRACERS_OPTIONS.h"
5    
6     CBOP
7 heimbach 1.7 C !ROUTINE: PTRACERS_INTEGRATE
8 adcroft 1.1
9     C !INTERFACE: ==========================================================
10 heimbach 1.7 SUBROUTINE PTRACERS_INTEGRATE(
11 adcroft 1.1 I bi,bj,k,
12 jmc 1.13 I xA,yA,uTrans,vTrans,rTrans,
13     I rTransKp1,maskUp,
14 heimbach 1.11 X rFlx,KappaRtr,
15 adcroft 1.1 I myIter,myTime,myThid )
16    
17     C !DESCRIPTION:
18 jmc 1.26 C Calculates tendency for passive tracers and integrates forward
19 adcroft 1.1 C in time.
20    
21     C !USES: ===============================================================
22     IMPLICIT NONE
23     #include "SIZE.h"
24     #include "EEPARAMS.h"
25 adcroft 1.5 #include "PARAMS.h"
26 jmc 1.13 #include "DYNVARS.h"
27 jmc 1.15 #include "PTRACERS_SIZE.h"
28 adcroft 1.1 #include "PTRACERS.h"
29     #include "GAD.h"
30 heimbach 1.31 #ifdef ALLOW_AUTODIFF_TAMC
31     # include "tamc.h"
32     # include "tamc_keys.h"
33     #endif
34 adcroft 1.1
35     C !INPUT PARAMETERS: ===================================================
36     C bi,bj :: tile indices
37     C k :: vertical level number
38     C xA :: face area at U points in level k
39     C yA :: face area at V points in level k
40     C uTrans :: zonal transport in level k
41     C vTrans :: meridional transport in level k
42 jmc 1.13 C rTrans :: vertical volume transport at interface k
43     C rTransKp1 :: vertical volume transport at interface k+1
44 adcroft 1.1 C maskUp :: mask for vertical transport
45 jmc 1.12 C rFlx :: vertical flux
46 jmc 1.18 C KappaRtr :: vertical diffusion of passive tracers, interf k
47 adcroft 1.1 C myIter :: time-step number
48     C myTime :: model time
49     C myThid :: thread number
50     INTEGER bi,bj,k
51     _RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
52     _RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
53     _RL uTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
54     _RL vTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
55     _RL rTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
56 jmc 1.13 _RL rTransKp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
57 adcroft 1.1 _RS maskUp (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
58 jmc 1.12 _RL rFlx(1-OLx:sNx+OLx,1-OLy:sNy+OLy,2,PTRACERS_num)
59 jmc 1.19 _RL KappaRtr(1-Olx:sNx+Olx,1-Oly:sNy+Oly,PTRACERS_num)
60 adcroft 1.1 INTEGER myIter
61     _RL myTime
62     INTEGER myThid
63    
64     C !OUTPUT PARAMETERS: ==================================================
65     C none
66    
67     #ifdef ALLOW_PTRACERS
68    
69     C !LOCAL VARIABLES: ====================================================
70 jmc 1.27 C iTracer :: tracer index
71 adcroft 1.1 C iMin,iMax,jMin,jMax :: loop ranges
72     C kUp,kDown :: toggle indices for even/odd level fluxes
73     C km1 :: =min(1,k-1)
74 dimitri 1.8 C GAD_TR :: passive tracer id (GAD_TR1+iTracer-1)
75 jmc 1.27 INTEGER iTracer
76 adcroft 1.1 INTEGER iMin,iMax,jMin,jMax
77     INTEGER kUp,kDown,km1
78 dimitri 1.8 INTEGER GAD_TR
79 jmc 1.3 LOGICAL calcAdvection
80 jmc 1.23 INTEGER iterNb
81 adcroft 1.1 CEOP
82    
83 heimbach 1.31 C Loop ranges for daughter routines
84     iMin = 1-OLx+2
85     iMax = sNx+OLx-1
86     jMin = 1-OLy+2
87     jMax = sNy+OLy-1
88    
89     km1 = MAX(1,k-1)
90     kUp = 1+MOD(k+1,2)
91     kDown= 1+MOD(k,2)
92    
93 adcroft 1.1 C Loop over tracers
94     DO iTracer=1,PTRACERS_numInUse
95    
96 heimbach 1.31 #ifdef ALLOW_AUTODIFF_TAMC
97     act0 = iTracer - 1
98     max0 = PTRACERS_num
99     act1 = bi - myBxLo(myThid)
100     max1 = myBxHi(myThid) - myBxLo(myThid) + 1
101     act2 = bj - myByLo(myThid)
102     max2 = myByHi(myThid) - myByLo(myThid) + 1
103     act3 = myThid - 1
104     max3 = nTx*nTy
105     act4 = ikey_dynamics - 1
106     iptrkey = (act0 + 1)
107     & + act1*max0
108     & + act2*max0*max1
109     & + act3*max0*max1*max2
110     & + act4*max0*max1*max2*max3
111     kkey = (iptrkey-1)*Nr + k
112     #endif /* ALLOW_AUTODIFF_TAMC */
113    
114     #ifdef ALLOW_AUTODIFF_TAMC
115     rFlx(1,1,kDown,iTracer) = rFlx(1,1,kDown,iTracer)
116     c
117     CADJ STORE ptracer(:,:,k,bi,bj,iTracer)
118     CADJ & = comlev1_bibj_k_ptracers, key=kkey, byte=isbyte
119     CADJ STORE gPtrnm1(:,:,k,bi,bj,iTracer)
120     CADJ & = comlev1_bibj_k_ptracers, key=kkey, byte=isbyte
121     #endif /* ALLOW_AUTODIFF_TAMC */
122    
123 adcroft 1.1 C Calculate active tracer tendencies (gPtr) due to internal processes
124     C (advection, [explicit] diffusion, parameterizations,...)
125 jmc 1.3 calcAdvection = .NOT.multiDimAdvection
126     & .OR. PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_2ND
127     & .OR. PTRACERS_advScheme(iTracer).EQ.ENUM_UPWIND_3RD
128     & .OR. PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_4TH
129 dimitri 1.8 GAD_TR = GAD_TR1 + iTracer - 1
130 jmc 1.13 CALL GAD_CALC_RHS(
131     I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown,
132     I xA,yA,uTrans,vTrans,rTrans,rTransKp1,maskUp,
133     I uVel, vVel, wVel,
134     I PTRACERS_diffKh(iTracer),
135     I PTRACERS_diffK4(iTracer),
136 jmc 1.19 I KappaRtr(1-Olx,1-Oly,iTracer),
137 jmc 1.29 I gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),
138 jmc 1.26 I pTracer(1-Olx,1-Oly,1,1,1,iTracer),
139 jmc 1.13 I GAD_TR,
140     I PTRACERS_advScheme(iTracer),
141 jmc 1.14 I PTRACERS_advScheme(iTracer),
142 jmc 1.22 I calcAdvection, PTRACERS_ImplVertAdv(iTracer),
143 jmc 1.29 I .FALSE.,
144 jmc 1.13 U rFlx(1-Olx,1-Oly,1,iTracer),
145     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
146 jmc 1.17 I myTime, myIter, myThid )
147 adcroft 1.1
148     C External forcing term(s)
149 jmc 1.30 IF ( tracForcingOutAB.NE.1 )
150 jmc 1.3 & CALL PTRACERS_FORCING(
151 mlosch 1.21 I bi,bj,iMin,iMax,jMin,jMax,k,iTracer,
152 heimbach 1.11 U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
153 jmc 1.16 I surfaceForcingPtr(1-Olx,1-Oly,1,1,iTracer),
154 heimbach 1.11 I myIter,myTime,myThid)
155 adcroft 1.1
156 jmc 1.27 C If using Adams-Bashforth II, then extrapolate tendencies
157 spk 1.24 C gPtr is now the tracer tendency for explicit advection/diffusion
158 adcroft 1.1 IF ( PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_2ND
159     & .OR.PTRACERS_advScheme(iTracer).EQ.ENUM_UPWIND_3RD
160     & .OR.PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_4TH ) THEN
161 spk 1.24 #ifdef ALLOW_MATRIX
162     C If matrix is being computed, block call to S/R ADAMS_BASHFORTH2 to
163     C prevent gPtr from being replaced by the average of gPtr and gPtrNm1.
164     IF (.NOT.useMATRIX) THEN
165     #endif
166 jmc 1.23 iterNb = myIter
167     IF (staggerTimeStep) iterNb = myIter - 1
168 adcroft 1.1 CALL ADAMS_BASHFORTH2(
169     I bi,bj,K,
170     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
171     U gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),
172 jmc 1.23 I iterNb, myThid )
173 spk 1.24 #ifdef ALLOW_MATRIX
174     ENDIF
175     #endif
176 adcroft 1.1 ENDIF
177 jmc 1.3
178     C External forcing term(s)
179 jmc 1.30 IF ( tracForcingOutAB.EQ.1 )
180 jmc 1.3 & CALL PTRACERS_FORCING(
181 mlosch 1.21 I bi,bj,iMin,iMax,jMin,jMax,k,iTracer,
182 heimbach 1.11 U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
183 jmc 1.16 I surfaceForcingPtr(1-Olx,1-Oly,1,1,iTracer),
184 heimbach 1.11 I myIter,myTime,myThid)
185 adcroft 1.1
186     #ifdef NONLIN_FRSURF
187     C Account for change in level thickness
188     IF (nonlinFreeSurf.GT.0) THEN
189     CALL FREESURF_RESCALE_G(
190     I bi,bj,K,
191     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
192 jmc 1.4 I myThid )
193     IF ( PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_2ND
194     & .OR.PTRACERS_advScheme(iTracer).EQ.ENUM_UPWIND_3RD
195     & .OR.PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_4TH )
196     & CALL FREESURF_RESCALE_G(
197     I bi,bj,K,
198     U gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),
199 adcroft 1.1 I myThid )
200     ENDIF
201     #endif /* NONLIN_FRSURF */
202    
203     C Integrate forward in time, storing in gPtr: G=T+dt*G
204     CALL TIMESTEP_TRACER(
205     I bi,bj,iMin,iMax,jMin,jMax,k,
206     I PTRACERS_advScheme(iTracer),
207     I pTracer(1-Olx,1-Oly,1,1,1,iTracer),
208     I gPtr(1-Olx,1-Oly,1,1,1,iTracer),
209     I myIter,myThid )
210    
211 mlosch 1.25 #ifdef ALLOW_OBCS
212     C Apply open boundary conditions
213     IF (useOBCS) THEN
214     CALL OBCS_APPLY_PTRACER(
215     I bi, bj, k, iTracer,
216     U gPtr(1-Olx,1-Oly,k,bi,bj,iTracer),
217     I myThid )
218     END IF
219     #endif /* ALLOW_OBCS */
220 adcroft 1.1 C end of tracer loop
221     ENDDO
222    
223     #endif /* ALLOW_PTRACERS */
224    
225     RETURN
226     END

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