/[MITgcm]/MITgcm/pkg/ptracers/ptracers_integrate.F
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Revision 1.40 - (hide annotations) (download)
Sun Nov 14 23:32:15 2010 UTC (13 years, 6 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint62q, checkpoint62p, checkpoint62o
Changes since 1.39: +1 -10 lines
always call OBCS_APLY_PTRACER from ptracers_implicit.F (and remove
 the previous call from ptracers_integrate.F)

1 jmc 1.40 C $Header: /u/gcmpack/MITgcm/pkg/ptracers/ptracers_integrate.F,v 1.39 2010/01/12 23:55:56 jahn 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 jmc 1.32 I bi,bj,k,
12     I xA, yA, maskUp, uFld, vFld, wFld,
13     I uTrans, vTrans, rTrans, rTransKp1,
14     I KappaRtr,
15     U rFlx,
16     I myTime,myIter,myThid )
17 adcroft 1.1
18     C !DESCRIPTION:
19 jmc 1.26 C Calculates tendency for passive tracers and integrates forward
20 adcroft 1.1 C in time.
21    
22     C !USES: ===============================================================
23     IMPLICIT NONE
24     #include "SIZE.h"
25     #include "EEPARAMS.h"
26 adcroft 1.5 #include "PARAMS.h"
27 jmc 1.13 #include "DYNVARS.h"
28 jahn 1.38 #ifdef ALLOW_LONGSTEP
29     #include "LONGSTEP_PARAMS.h"
30     #endif
31 jmc 1.15 #include "PTRACERS_SIZE.h"
32 jmc 1.35 #include "PTRACERS_PARAMS.h"
33 jmc 1.36 #include "PTRACERS_RESTART.h"
34 jmc 1.35 #include "PTRACERS_FIELDS.h"
35 adcroft 1.1 #include "GAD.h"
36 heimbach 1.31 #ifdef ALLOW_AUTODIFF_TAMC
37     # include "tamc.h"
38     # include "tamc_keys.h"
39     #endif
40 adcroft 1.1
41     C !INPUT PARAMETERS: ===================================================
42     C bi,bj :: tile indices
43     C k :: vertical level number
44     C xA :: face area at U points in level k
45     C yA :: face area at V points in level k
46 jmc 1.32 C maskUp :: mask for vertical transport
47     C uFld,vFld,wFld :: Local copy of velocity field (3 components)
48 adcroft 1.1 C uTrans :: zonal transport in level k
49     C vTrans :: meridional transport in level k
50 jmc 1.13 C rTrans :: vertical volume transport at interface k
51     C rTransKp1 :: vertical volume transport at interface k+1
52 jmc 1.36 C KappaRtr :: vertical diffusion of passive tracers, interf k
53     C rFlx :: vertical flux
54 jmc 1.32 C myTime :: model time
55 adcroft 1.1 C myIter :: time-step number
56     C myThid :: thread number
57     INTEGER bi,bj,k
58     _RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
59     _RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
60 jmc 1.32 _RS maskUp (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
61     _RL uFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
62     _RL vFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
63     _RL wFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
64 adcroft 1.1 _RL uTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
65     _RL vTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
66     _RL rTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
67 jmc 1.13 _RL rTransKp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
68 jmc 1.19 _RL KappaRtr(1-Olx:sNx+Olx,1-Oly:sNy+Oly,PTRACERS_num)
69 jmc 1.32 _RL rFlx (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2,PTRACERS_num)
70     _RL myTime
71 adcroft 1.1 INTEGER myIter
72     INTEGER myThid
73    
74     C !OUTPUT PARAMETERS: ==================================================
75     C none
76    
77     #ifdef ALLOW_PTRACERS
78    
79     C !LOCAL VARIABLES: ====================================================
80 jmc 1.27 C iTracer :: tracer index
81 adcroft 1.1 C iMin,iMax,jMin,jMax :: loop ranges
82     C kUp,kDown :: toggle indices for even/odd level fluxes
83     C km1 :: =min(1,k-1)
84 dimitri 1.8 C GAD_TR :: passive tracer id (GAD_TR1+iTracer-1)
85 jmc 1.27 INTEGER iTracer
86 adcroft 1.1 INTEGER iMin,iMax,jMin,jMax
87     INTEGER kUp,kDown,km1
88 dimitri 1.8 INTEGER GAD_TR
89 jmc 1.3 LOGICAL calcAdvection
90 jmc 1.36 INTEGER iterNb
91 adcroft 1.1 CEOP
92    
93 heimbach 1.31 C Loop ranges for daughter routines
94     iMin = 1-OLx+2
95     iMax = sNx+OLx-1
96     jMin = 1-OLy+2
97     jMax = sNy+OLy-1
98 jmc 1.32
99 heimbach 1.31 km1 = MAX(1,k-1)
100     kUp = 1+MOD(k+1,2)
101     kDown= 1+MOD(k,2)
102    
103 adcroft 1.1 C Loop over tracers
104     DO iTracer=1,PTRACERS_numInUse
105    
106 heimbach 1.31 #ifdef ALLOW_AUTODIFF_TAMC
107     act0 = iTracer - 1
108     max0 = PTRACERS_num
109     act1 = bi - myBxLo(myThid)
110     max1 = myBxHi(myThid) - myBxLo(myThid) + 1
111     act2 = bj - myByLo(myThid)
112     max2 = myByHi(myThid) - myByLo(myThid) + 1
113     act3 = myThid - 1
114     max3 = nTx*nTy
115     act4 = ikey_dynamics - 1
116     iptrkey = (act0 + 1)
117     & + act1*max0
118     & + act2*max0*max1
119     & + act3*max0*max1*max2
120     & + act4*max0*max1*max2*max3
121     kkey = (iptrkey-1)*Nr + k
122     #endif /* ALLOW_AUTODIFF_TAMC */
123    
124     #ifdef ALLOW_AUTODIFF_TAMC
125     rFlx(1,1,kDown,iTracer) = rFlx(1,1,kDown,iTracer)
126     c
127 jmc 1.35 CADJ STORE pTracer(:,:,k,bi,bj,iTracer)
128 heimbach 1.31 CADJ & = comlev1_bibj_k_ptracers, key=kkey, byte=isbyte
129 jmc 1.35 CADJ STORE gpTrNm1(:,:,k,bi,bj,iTracer)
130 heimbach 1.31 CADJ & = comlev1_bibj_k_ptracers, key=kkey, byte=isbyte
131     #endif /* ALLOW_AUTODIFF_TAMC */
132 jmc 1.32
133 adcroft 1.1 C Calculate active tracer tendencies (gPtr) due to internal processes
134     C (advection, [explicit] diffusion, parameterizations,...)
135 jmc 1.36 calcAdvection = .NOT.PTRACERS_MultiDimAdv(iTracer)
136 dimitri 1.8 GAD_TR = GAD_TR1 + iTracer - 1
137 jmc 1.13 CALL GAD_CALC_RHS(
138 jmc 1.36 I bi,bj,iMin,iMax,jMin,jMax,k,km1,kUp,kDown,
139 jmc 1.32 I xA, yA, maskUp, uFld, vFld, wFld,
140     I uTrans, vTrans, rTrans, rTransKp1,
141 jmc 1.13 I PTRACERS_diffKh(iTracer),
142     I PTRACERS_diffK4(iTracer),
143 jmc 1.19 I KappaRtr(1-Olx,1-Oly,iTracer),
144 jmc 1.35 I gpTrNm1(1-Olx,1-Oly,1,1,1,iTracer),
145 jmc 1.26 I pTracer(1-Olx,1-Oly,1,1,1,iTracer),
146 jahn 1.38 I PTRACERS_dTLev, GAD_TR,
147 jmc 1.13 I PTRACERS_advScheme(iTracer),
148 jmc 1.14 I PTRACERS_advScheme(iTracer),
149 jmc 1.22 I calcAdvection, PTRACERS_ImplVertAdv(iTracer),
150 jmc 1.29 I .FALSE.,
151 jmc 1.33 I PTRACERS_useGMRedi(iTracer),
152     I PTRACERS_useKPP(iTracer),
153 jmc 1.13 U rFlx(1-Olx,1-Oly,1,iTracer),
154     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
155 jmc 1.17 I myTime, myIter, myThid )
156 adcroft 1.1
157     C External forcing term(s)
158 jmc 1.30 IF ( tracForcingOutAB.NE.1 )
159 jmc 1.3 & CALL PTRACERS_FORCING(
160 mlosch 1.21 I bi,bj,iMin,iMax,jMin,jMax,k,iTracer,
161 heimbach 1.11 U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
162 jmc 1.35 I surfaceForcingPTr(1-Olx,1-Oly,1,1,iTracer),
163 heimbach 1.11 I myIter,myTime,myThid)
164 adcroft 1.1
165 jmc 1.27 C If using Adams-Bashforth II, then extrapolate tendencies
166 spk 1.24 C gPtr is now the tracer tendency for explicit advection/diffusion
167 jmc 1.36 IF ( PTRACERS_AdamsBashGtr(iTracer) ) THEN
168 spk 1.24 #ifdef ALLOW_MATRIX
169 jmc 1.32 C If matrix is being computed, block call to S/R ADAMS_BASHFORTH2 to
170 jmc 1.35 C prevent gPtr from being replaced by the average of gPtr and gpTrNm1.
171 spk 1.24 IF (.NOT.useMATRIX) THEN
172 jmc 1.32 #endif
173 jahn 1.38 C compute iter at beginning of ptracer time step
174     #ifdef ALLOW_LONGSTEP
175     iterNb = myIter - LS_nIter + 1
176 jahn 1.39 IF (LS_whenToSample.GE.2) iterNb = myIter - LS_nIter
177 jahn 1.38 #else
178 jmc 1.23 iterNb = myIter
179     IF (staggerTimeStep) iterNb = myIter - 1
180 jahn 1.38 #endif
181 adcroft 1.1 CALL ADAMS_BASHFORTH2(
182 jmc 1.36 I bi,bj,K,
183     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
184     U gpTrNm1(1-Olx,1-Oly,1,1,1,iTracer),
185     I PTRACERS_startAB(iTracer), iterNb, myThid )
186 spk 1.24 #ifdef ALLOW_MATRIX
187     ENDIF
188 jmc 1.32 #endif
189 adcroft 1.1 ENDIF
190 jmc 1.3
191     C External forcing term(s)
192 jmc 1.30 IF ( tracForcingOutAB.EQ.1 )
193 jmc 1.3 & CALL PTRACERS_FORCING(
194 mlosch 1.21 I bi,bj,iMin,iMax,jMin,jMax,k,iTracer,
195 heimbach 1.11 U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
196 jmc 1.35 I surfaceForcingPTr(1-Olx,1-Oly,1,1,iTracer),
197 heimbach 1.11 I myIter,myTime,myThid)
198 adcroft 1.1
199     #ifdef NONLIN_FRSURF
200     C Account for change in level thickness
201     IF (nonlinFreeSurf.GT.0) THEN
202     CALL FREESURF_RESCALE_G(
203     I bi,bj,K,
204     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
205 jmc 1.4 I myThid )
206 jmc 1.37 IF ( PTRACERS_AdamsBashGtr(iTracer) )
207 jmc 1.4 & CALL FREESURF_RESCALE_G(
208     I bi,bj,K,
209 jmc 1.35 U gpTrNm1(1-Olx,1-Oly,1,1,1,iTracer),
210 adcroft 1.1 I myThid )
211     ENDIF
212     #endif /* NONLIN_FRSURF */
213    
214     C Integrate forward in time, storing in gPtr: G=T+dt*G
215     CALL TIMESTEP_TRACER(
216     I bi,bj,iMin,iMax,jMin,jMax,k,
217     I PTRACERS_advScheme(iTracer),
218 jahn 1.38 I PTRACERS_dTLev(k),
219 adcroft 1.1 I pTracer(1-Olx,1-Oly,1,1,1,iTracer),
220     I gPtr(1-Olx,1-Oly,1,1,1,iTracer),
221     I myIter,myThid )
222    
223     C end of tracer loop
224     ENDDO
225    
226     #endif /* ALLOW_PTRACERS */
227    
228     RETURN
229     END

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