/[MITgcm]/MITgcm/pkg/ptracers/ptracers_advection.F
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Annotation of /MITgcm/pkg/ptracers/ptracers_advection.F

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Revision 1.12 - (hide annotations) (download)
Thu May 8 19:50:08 2008 UTC (16 years ago) by jahn
Branch: MAIN
Changes since 1.11: +22 -1 lines
add second-order moment advection schemes (80 and 81);
this uses a dynamically allocated internal state data structure
(#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
and requires a fortran 90 compiler

1 jahn 1.12 C $Header: /u/gcmpack/MITgcm/verification/tutorial_advection_in_gyre/code/ptracers_advection.F,v 1.1 2008/01/28 20:09:08 jahn Exp $
2 jmc 1.2 C $Name: $
3 adcroft 1.1
4     #include "PTRACERS_OPTIONS.h"
5 jahn 1.12 #include "GAD_OPTIONS.h"
6 adcroft 1.1
7     CBOP
8     C !ROUTINE: PTRACERS_ADVECTION
9    
10     C !INTERFACE: ==========================================================
11     SUBROUTINE PTRACERS_ADVECTION( bi,bj,myIter,myTime,myThid )
12    
13     C !DESCRIPTION:
14 jmc 1.9 C Calculates tendency for passive tracers and integrates forward
15 adcroft 1.1 C in time.
16    
17     C !USES: ===============================================================
18 jahn 1.12 #include "PTRACERS_MOD.h"
19 adcroft 1.1 IMPLICIT NONE
20     #include "SIZE.h"
21     #include "EEPARAMS.h"
22 jmc 1.2 #include "PARAMS.h"
23     #include "DYNVARS.h"
24 jmc 1.5 #include "PTRACERS_SIZE.h"
25 jmc 1.10 #include "PTRACERS_PARAMS.h"
26     #include "PTRACERS_FIELDS.h"
27 adcroft 1.1 #include "GAD.h"
28 heimbach 1.8 #ifdef ALLOW_AUTODIFF_TAMC
29     # include "tamc.h"
30     # include "tamc_keys.h"
31     #endif
32 adcroft 1.1
33     C !INPUT PARAMETERS: ===================================================
34     C bi,bj :: tile indices
35     C myIter :: time-step number
36     C myTime :: model time
37     C myThid :: thread number
38     INTEGER bi,bj
39     INTEGER myIter
40     _RL myTime
41     INTEGER myThid
42    
43     C !OUTPUT PARAMETERS: ==================================================
44     C none
45    
46     #ifdef ALLOW_PTRACERS
47    
48     C !LOCAL VARIABLES: ====================================================
49     C i,j,k,bi,bj,iTracer :: loop indices
50     C iMin,iMax,jMin,jMax :: loop ranges
51     C kUp,kDown :: toggle indices for even/odd level fluxes
52     C km1 :: =min(1,k-1)
53 jmc 1.11 C rFlx :: vertical flux
54 adcroft 1.1 INTEGER iTracer
55     CEOP
56    
57     C Loop over tracers
58     DO iTracer=1,PTRACERS_numInUse
59    
60 heimbach 1.8 #ifdef ALLOW_AUTODIFF_TAMC
61     act0 = iTracer - 1
62     max0 = PTRACERS_num
63     act1 = bi - myBxLo(myThid)
64     max1 = myBxHi(myThid) - myBxLo(myThid) + 1
65     act2 = bj - myByLo(myThid)
66     max2 = myByHi(myThid) - myByLo(myThid) + 1
67     act3 = myThid - 1
68     max3 = nTx*nTy
69     act4 = ikey_dynamics - 1
70     iptrkey = (act0 + 1)
71     & + act1*max0
72     & + act2*max0*max1
73     & + act3*max0*max1*max2
74     & + act4*max0*max1*max2*max3
75     #endif /* ALLOW_AUTODIFF_TAMC */
76    
77     #ifdef ALLOW_AUTODIFF_TAMC
78 jmc 1.10 CADJ STORE pTracer(:,:,:,bi,bj,iTracer)
79 heimbach 1.8 CADJ & = comlev1_bibj_ptracers, key=iptrkey, byte=isbyte
80     #endif /* ALLOW_AUTODIFF_TAMC */
81 jmc 1.9
82 jahn 1.12 #if defined(GAD_ALLOW_SOM_ADVECT) && defined(PTRACERS_ALLOW_DYN_STATE)
83     IF ( PTRACERS_SOM_Advection(iTracer) ) THEN
84     #ifdef ALLOW_DEBUG
85     IF ( debugLevel .GE. debLevB )
86     & CALL DEBUG_CALL('GAD_SOM_ADVECT',myThid)
87     #endif
88     CALL GAD_SOM_ADVECT(
89     I PTRACERS_ImplVertAdv(iTracer),
90     I PTRACERS_advScheme(iTracer),
91     I PTRACERS_advScheme(iTracer),
92     I GAD_TR1+iTracer-1,
93     I uVel, vVel, wVel,
94     I pTracer(1-Olx,1-Oly,1,1,1,iTracer),
95     U _Ptracers_som(1-Olx,1-Oly,1,1,1,1,iTracer),
96     O gPtr(1-Olx,1-Oly,1,1,1,iTracer),
97     I bi,bj,myTime,myIter,myThid)
98     ELSEIF ( PTRACERS_MultiDimAdv(iTracer) ) THEN
99     #else /* GAD_ALLOW_SOM_ADVECT && PTRACERS_ALLOW_DYN_STATE */
100 jmc 1.11 IF ( PTRACERS_MultiDimAdv(iTracer) ) THEN
101 jahn 1.12 #endif /* GAD_ALLOW_SOM_ADVECT && PTRACERS_ALLOW_DYN_STATE */
102 jmc 1.2 CALL GAD_ADVECTION(
103 jmc 1.6 I PTRACERS_ImplVertAdv(iTracer),
104 adcroft 1.1 I PTRACERS_advScheme(iTracer),
105 jmc 1.3 I PTRACERS_advScheme(iTracer),
106 mlosch 1.7 I GAD_TR1+iTracer-1,
107 jmc 1.2 I uVel, vVel, wVel,
108     I pTracer(1-Olx,1-Oly,1,1,1,iTracer),
109     O gPtr(1-Olx,1-Oly,1,1,1,iTracer),
110     I bi,bj,myTime,myIter,myThid)
111 adcroft 1.1 ENDIF
112    
113    
114     C end of tracer loop
115     ENDDO
116    
117     #endif /* ALLOW_PTRACERS */
118    
119     RETURN
120     END

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