/[MITgcm]/MITgcm/pkg/ptracers/ptracers_write_checkpoint.F
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Contents of /MITgcm/pkg/ptracers/ptracers_write_checkpoint.F

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Revision 1.1 - (show annotations) (download)
Mon Mar 4 19:01:29 2002 UTC (22 years, 1 month ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint46b_post, checkpoint48f_post, checkpoint46k_post, checkpoint47j_post, checkpoint48d_pre, branch-exfmods-tag, checkpoint47e_post, checkpoint44h_pre, checkpoint47i_post, checkpoint48i_post, checkpoint46j_post, checkpoint47f_post, checkpoint48d_post, checkpoint47c_post, checkpoint50c_post, checkpoint47d_post, checkpoint45a_post, checkpoint47a_post, checkpoint46c_post, checkpoint46f_post, checkpoint46a_post, checkpoint48a_post, checkpoint46n_post, checkpoint46d_pre, checkpoint48e_post, checkpoint46e_post, checkpoint45b_post, checkpoint48h_post, checkpoint50c_pre, checkpoint44g_post, checkpoint46h_pre, checkpoint45c_post, checkpoint44h_post, checkpoint46l_post, checkpoint46e_pre, checkpoint50d_pre, checkpoint46j_pre, checkpoint46b_pre, checkpoint45d_post, checkpoint47h_post, checkpoint48c_post, checkpoint50b_pre, checkpoint46, checkpoint44f_post, checkpoint48, checkpoint49, checkpoint47b_post, checkpoint48g_post, checkpoint46l_pre, checkpoint50, checkpoint46m_post, checkpoint46g_pre, checkpoint47g_post, checkpoint46a_pre, checkpoint46d_post, checkpoint48b_post, checkpoint50b_post, checkpoint46g_post, checkpoint50a_post, checkpoint46c_pre, checkpoint47d_pre, checkpoint48c_pre, checkpoint46i_post, checkpoint47, checkpoint45, checkpoint46h_post
Branch point for: branch-exfmods-curt 
Added PTRACERS package

This allows an arbitrary number of passive tracers to be integrated
forward simultaneously with the dynamicaly model.
 + Implemented so far:
    - basic forward algorithm (time-stepping, advection, diffusion, convection)
    - I/O and checkpointing
    - GM/Redi  *but*  using the GM/Redi coefficient of Salt
 + Not implemented so far:
    - KPP
    - OBCS
 + No specific example supplied (yet) but global_ocean.90x40x15 has the
   necessary data.ptracer file. Simply use -enable=ptracers and uncomment
   line in data.pkg. PTRACER01 then reproduces Salt exactly.
 + This package is disabled by default since it increases storage.
1 C $Header: $
2 C $Name: $
3
4 #include "PTRACERS_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: PTRACERS_WRITE_CHECKPOINT
8
9 C !INTERFACE: ==========================================================
10 SUBROUTINE PTRACERS_WRITE_CHECKPOINT( suff,myIter,myTime,myThid )
11
12 C !DESCRIPTION:
13 C Writes current state of passive tracers to a pickup file
14
15 C !USES: ===============================================================
16 IMPLICIT NONE
17 #include "SIZE.h"
18 #include "EEPARAMS.h"
19 #include "PARAMS.h"
20 #include "PTRACERS.h"
21
22 C !INPUT PARAMETERS: ===================================================
23 C suff :: suffix for pickup file (eg. ckptA or 0000000010)
24 C myIter :: time-step number
25 C myTime :: model time
26 C myThid :: thread number
27 CHARACTER*(*) suff
28 INTEGER myIter
29 _RL myTime
30 INTEGER myThid
31
32 C !OUTPUT PARAMETERS: ==================================================
33 C none
34
35 #ifdef ALLOW_PTRACERS
36
37 C !LOCAL VARIABLES: ====================================================
38 C iTracer :: loop indices
39 C iRec :: record number
40 C fn :: character buffer for creating filename
41 C prec :: precision of pickup files
42 C lgf :: flag to write "global" files
43 INTEGER iTracer,prec,iRec
44 CHARACTER*(MAX_LEN_MBUF) fn
45 LOGICAL lgf
46 CEOP
47
48 WRITE(fn,'(A,A)') 'pickup_ptracers.',suff
49 prec = precFloat64
50 lgf = globalFiles
51
52 C Write fields as consecutive records
53 DO iTracer=1,PTRACERS_num
54 iRec = iTracer
55 CALL MDSWRITEFIELD(fn,prec,lgf,'RL',Nr,
56 & pTracer(1-Olx,1-Oly,1,1,1,iTracer),iRec,myIter,myThid)
57 ENDDO
58
59 C Write historical tendancies as consecutive records
60 DO iTracer=1,PTRACERS_num
61 iRec = iTracer + PTRACERS_num
62 CALL MDSWRITEFIELD(fn,prec,lgf,'RL',Nr,
63 & gPtr(1-Olx,1-Oly,1,1,1,iTracer),iRec,myIter,myThid)
64 ENDDO
65 DO iTracer=1,PTRACERS_num
66 iRec = iTracer + PTRACERS_num*2
67 CALL MDSWRITEFIELD(fn,prec,lgf,'RL',Nr,
68 & gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),iRec,myIter,myThid)
69 ENDDO
70
71 #endif /* ALLOW_PTRACERS */
72
73 RETURN
74 END
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