/[MITgcm]/MITgcm/pkg/ptracers/ptracers_integrate.F
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Revision 1.32 - (hide annotations) (download)
Sun Jun 18 23:24:51 2006 UTC (17 years, 11 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint59, checkpoint58y_post, checkpoint58t_post, checkpoint58m_post, checkpoint58w_post, checkpoint58o_post, checkpoint58p_post, checkpoint58q_post, checkpoint58r_post, checkpoint58n_post, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint59c, checkpoint59b, checkpoint58k_post, checkpoint58v_post, checkpoint58l_post, checkpoint58x_post, checkpoint58u_post, checkpoint58s_post
Changes since 1.31: +27 -22 lines
make a local copy of velocity to pass (like u,v,r_Trans) to tracer advection S/R

1 jmc 1.32 C $Header: /u/gcmpack/MITgcm/pkg/ptracers/ptracers_integrate.F,v 1.31 2006/04/04 14:52:43 heimbach 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 jmc 1.15 #include "PTRACERS_SIZE.h"
29 adcroft 1.1 #include "PTRACERS.h"
30     #include "GAD.h"
31 heimbach 1.31 #ifdef ALLOW_AUTODIFF_TAMC
32     # include "tamc.h"
33     # include "tamc_keys.h"
34     #endif
35 adcroft 1.1
36     C !INPUT PARAMETERS: ===================================================
37     C bi,bj :: tile indices
38     C k :: vertical level number
39     C xA :: face area at U points in level k
40     C yA :: face area at V points in level k
41 jmc 1.32 C maskUp :: mask for vertical transport
42     C uFld,vFld,wFld :: Local copy of velocity field (3 components)
43 adcroft 1.1 C uTrans :: zonal transport in level k
44     C vTrans :: meridional transport in level k
45 jmc 1.13 C rTrans :: vertical volume transport at interface k
46     C rTransKp1 :: vertical volume transport at interface k+1
47 jmc 1.32 C KappaRtr :: vertical diffusion of passive tracers, interf k
48 jmc 1.12 C rFlx :: vertical flux
49 jmc 1.32 C myTime :: model time
50 adcroft 1.1 C myIter :: time-step number
51     C myThid :: thread number
52     INTEGER bi,bj,k
53     _RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
54     _RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
55 jmc 1.32 _RS maskUp (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
56     _RL uFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
57     _RL vFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
58     _RL wFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
59 adcroft 1.1 _RL uTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
60     _RL vTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
61     _RL rTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
62 jmc 1.13 _RL rTransKp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
63 jmc 1.19 _RL KappaRtr(1-Olx:sNx+Olx,1-Oly:sNy+Oly,PTRACERS_num)
64 jmc 1.32 _RL rFlx (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2,PTRACERS_num)
65     _RL myTime
66 adcroft 1.1 INTEGER myIter
67     INTEGER myThid
68    
69     C !OUTPUT PARAMETERS: ==================================================
70     C none
71    
72     #ifdef ALLOW_PTRACERS
73    
74     C !LOCAL VARIABLES: ====================================================
75 jmc 1.27 C iTracer :: tracer index
76 adcroft 1.1 C iMin,iMax,jMin,jMax :: loop ranges
77     C kUp,kDown :: toggle indices for even/odd level fluxes
78     C km1 :: =min(1,k-1)
79 dimitri 1.8 C GAD_TR :: passive tracer id (GAD_TR1+iTracer-1)
80 jmc 1.27 INTEGER iTracer
81 adcroft 1.1 INTEGER iMin,iMax,jMin,jMax
82     INTEGER kUp,kDown,km1
83 dimitri 1.8 INTEGER GAD_TR
84 jmc 1.3 LOGICAL calcAdvection
85 jmc 1.23 INTEGER iterNb
86 adcroft 1.1 CEOP
87    
88 heimbach 1.31 C Loop ranges for daughter routines
89     iMin = 1-OLx+2
90     iMax = sNx+OLx-1
91     jMin = 1-OLy+2
92     jMax = sNy+OLy-1
93 jmc 1.32
94 heimbach 1.31 km1 = MAX(1,k-1)
95     kUp = 1+MOD(k+1,2)
96     kDown= 1+MOD(k,2)
97    
98 adcroft 1.1 C Loop over tracers
99     DO iTracer=1,PTRACERS_numInUse
100    
101 heimbach 1.31 #ifdef ALLOW_AUTODIFF_TAMC
102     act0 = iTracer - 1
103     max0 = PTRACERS_num
104     act1 = bi - myBxLo(myThid)
105     max1 = myBxHi(myThid) - myBxLo(myThid) + 1
106     act2 = bj - myByLo(myThid)
107     max2 = myByHi(myThid) - myByLo(myThid) + 1
108     act3 = myThid - 1
109     max3 = nTx*nTy
110     act4 = ikey_dynamics - 1
111     iptrkey = (act0 + 1)
112     & + act1*max0
113     & + act2*max0*max1
114     & + act3*max0*max1*max2
115     & + act4*max0*max1*max2*max3
116     kkey = (iptrkey-1)*Nr + k
117     #endif /* ALLOW_AUTODIFF_TAMC */
118    
119     #ifdef ALLOW_AUTODIFF_TAMC
120     rFlx(1,1,kDown,iTracer) = rFlx(1,1,kDown,iTracer)
121     c
122     CADJ STORE ptracer(:,:,k,bi,bj,iTracer)
123     CADJ & = comlev1_bibj_k_ptracers, key=kkey, byte=isbyte
124     CADJ STORE gPtrnm1(:,:,k,bi,bj,iTracer)
125     CADJ & = comlev1_bibj_k_ptracers, key=kkey, byte=isbyte
126     #endif /* ALLOW_AUTODIFF_TAMC */
127 jmc 1.32
128 adcroft 1.1 C Calculate active tracer tendencies (gPtr) due to internal processes
129     C (advection, [explicit] diffusion, parameterizations,...)
130 jmc 1.3 calcAdvection = .NOT.multiDimAdvection
131     & .OR. PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_2ND
132     & .OR. PTRACERS_advScheme(iTracer).EQ.ENUM_UPWIND_3RD
133     & .OR. PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_4TH
134 dimitri 1.8 GAD_TR = GAD_TR1 + iTracer - 1
135 jmc 1.13 CALL GAD_CALC_RHS(
136     I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown,
137 jmc 1.32 I xA, yA, maskUp, uFld, vFld, wFld,
138     I uTrans, vTrans, rTrans, rTransKp1,
139 jmc 1.13 I PTRACERS_diffKh(iTracer),
140     I PTRACERS_diffK4(iTracer),
141 jmc 1.19 I KappaRtr(1-Olx,1-Oly,iTracer),
142 jmc 1.29 I gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),
143 jmc 1.26 I pTracer(1-Olx,1-Oly,1,1,1,iTracer),
144 jmc 1.13 I GAD_TR,
145     I PTRACERS_advScheme(iTracer),
146 jmc 1.14 I PTRACERS_advScheme(iTracer),
147 jmc 1.22 I calcAdvection, PTRACERS_ImplVertAdv(iTracer),
148 jmc 1.29 I .FALSE.,
149 jmc 1.13 U rFlx(1-Olx,1-Oly,1,iTracer),
150     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
151 jmc 1.17 I myTime, myIter, myThid )
152 adcroft 1.1
153     C External forcing term(s)
154 jmc 1.30 IF ( tracForcingOutAB.NE.1 )
155 jmc 1.3 & CALL PTRACERS_FORCING(
156 mlosch 1.21 I bi,bj,iMin,iMax,jMin,jMax,k,iTracer,
157 heimbach 1.11 U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
158 jmc 1.16 I surfaceForcingPtr(1-Olx,1-Oly,1,1,iTracer),
159 heimbach 1.11 I myIter,myTime,myThid)
160 adcroft 1.1
161 jmc 1.27 C If using Adams-Bashforth II, then extrapolate tendencies
162 spk 1.24 C gPtr is now the tracer tendency for explicit advection/diffusion
163 adcroft 1.1 IF ( PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_2ND
164     & .OR.PTRACERS_advScheme(iTracer).EQ.ENUM_UPWIND_3RD
165     & .OR.PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_4TH ) THEN
166 spk 1.24 #ifdef ALLOW_MATRIX
167 jmc 1.32 C If matrix is being computed, block call to S/R ADAMS_BASHFORTH2 to
168     C prevent gPtr from being replaced by the average of gPtr and gPtrNm1.
169 spk 1.24 IF (.NOT.useMATRIX) THEN
170 jmc 1.32 #endif
171 jmc 1.23 iterNb = myIter
172     IF (staggerTimeStep) iterNb = myIter - 1
173 adcroft 1.1 CALL ADAMS_BASHFORTH2(
174     I bi,bj,K,
175     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
176     U gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),
177 jmc 1.23 I iterNb, myThid )
178 spk 1.24 #ifdef ALLOW_MATRIX
179     ENDIF
180 jmc 1.32 #endif
181 adcroft 1.1 ENDIF
182 jmc 1.3
183     C External forcing term(s)
184 jmc 1.30 IF ( tracForcingOutAB.EQ.1 )
185 jmc 1.3 & CALL PTRACERS_FORCING(
186 mlosch 1.21 I bi,bj,iMin,iMax,jMin,jMax,k,iTracer,
187 heimbach 1.11 U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
188 jmc 1.16 I surfaceForcingPtr(1-Olx,1-Oly,1,1,iTracer),
189 heimbach 1.11 I myIter,myTime,myThid)
190 adcroft 1.1
191     #ifdef NONLIN_FRSURF
192     C Account for change in level thickness
193     IF (nonlinFreeSurf.GT.0) THEN
194     CALL FREESURF_RESCALE_G(
195     I bi,bj,K,
196     U gPtr(1-Olx,1-Oly,1,1,1,iTracer),
197 jmc 1.4 I myThid )
198     IF ( PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_2ND
199     & .OR.PTRACERS_advScheme(iTracer).EQ.ENUM_UPWIND_3RD
200     & .OR.PTRACERS_advScheme(iTracer).EQ.ENUM_CENTERED_4TH )
201     & CALL FREESURF_RESCALE_G(
202     I bi,bj,K,
203     U gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),
204 adcroft 1.1 I myThid )
205     ENDIF
206     #endif /* NONLIN_FRSURF */
207    
208     C Integrate forward in time, storing in gPtr: G=T+dt*G
209     CALL TIMESTEP_TRACER(
210     I bi,bj,iMin,iMax,jMin,jMax,k,
211     I PTRACERS_advScheme(iTracer),
212     I pTracer(1-Olx,1-Oly,1,1,1,iTracer),
213     I gPtr(1-Olx,1-Oly,1,1,1,iTracer),
214     I myIter,myThid )
215    
216 mlosch 1.25 #ifdef ALLOW_OBCS
217     C Apply open boundary conditions
218     IF (useOBCS) THEN
219 jmc 1.32 CALL OBCS_APPLY_PTRACER(
220     I bi, bj, k, iTracer,
221 mlosch 1.25 U gPtr(1-Olx,1-Oly,k,bi,bj,iTracer),
222     I myThid )
223     END IF
224     #endif /* ALLOW_OBCS */
225 adcroft 1.1 C end of tracer loop
226     ENDDO
227    
228     #endif /* ALLOW_PTRACERS */
229    
230     RETURN
231     END

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