/[MITgcm]/MITgcm/pkg/dic/tracer_meanarea.F
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Contents of /MITgcm/pkg/dic/tracer_meanarea.F

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Revision 1.7 - (show annotations) (download)
Sun Aug 13 22:10:25 2006 UTC (17 years, 10 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint58u_post, checkpoint58r_post, checkpoint58n_post, checkpoint58x_post, checkpoint58t_post, checkpoint58w_post, checkpoint58q_post, checkpoint59e, checkpoint59d, checkpoint59a, checkpoint59c, checkpoint59b, checkpoint59, checkpoint58o_post, checkpoint58y_post, checkpoint58v_post, checkpoint58s_post, checkpoint58p_post
Changes since 1.6: +18 -16 lines
no assumption regarding argument "gsm_tracer" being or not in common block

1 C $Header: $
2 C $Name: $
3
4 #include "DIC_OPTIONS.h"
5 c#include "GCHEM_OPTIONS.h"
6
7 C !INTERFACE: ==========================================================
8 SUBROUTINE TRACER_MEANAREA(myThid,tracer, kLev,
9 O gsm_tracer)
10
11 C !DESCRIPTION:
12 C Calculate surface means of tracer
13
14 C !USES: ===============================================================
15 IMPLICIT NONE
16 #include "SIZE.h"
17 #include "GRID.h"
18 c#include "DYNVARS.h"
19 #include "EEPARAMS.h"
20 #include "PARAMS.h"
21
22 C !INPUT PARAMETERS: ===================================================
23 C myThid :: thread number
24 INTEGER myThid
25 INTEGER kLev
26 _RL tracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
27
28 C !OUTPUT PARAMETERS: ===================================================
29 C gcm_tracer :: surface mean of tracer
30 _RL gsm_tracer
31
32 C !LOCAL VARIABLES: ====================================================
33 INTEGER i,j,bi,bj
34 _RL sumArea, sumTracer
35 CEOP
36
37 sumArea= 0. _d 0
38 sumTracer= 0. _d 0
39
40 DO bj=myByLo(myThid),myByHi(myThid)
41 DO bi=myBxLo(myThid),myBxHi(myThid)
42 DO j=1,sNy
43 DO i=1,sNx
44 sumArea=sumArea+
45 & rA(i,j,bi,bj)*maskC(i,j,kLev,bi,bj)
46 sumTracer=sumTracer+
47 & tracer(i,j,kLev,bi,bj)*rA(i,j,bi,bj)*
48 & maskC(i,j,kLev,bi,bj)
49 ENDDO
50 ENDDO
51 ENDDO
52 ENDDO
53 _GLOBAL_SUM_R8(sumTracer,myThid)
54 _GLOBAL_SUM_R8(sumArea,myThid)
55 gsm_tracer=sumTracer/sumArea
56
57 RETURN
58 END

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