1 |
C $Header: /u/gcmpack/MITgcm/pkg/ebm/ebm_zonalmean.F,v 1.1 2004/05/14 21:10:34 heimbach Exp $ |
2 |
C $Name: $ |
3 |
|
4 |
#include "EBM_OPTIONS.h" |
5 |
|
6 |
SUBROUTINE EBM_ZONALMEAN( myTime, myIter, myThid ) |
7 |
C |==========================================================| |
8 |
C | S/R CALCULATE ZONAL MEAN TEMPERATURE | |
9 |
C |==========================================================| |
10 |
|
11 |
IMPLICIT NONE |
12 |
|
13 |
C === Global variables === |
14 |
#include "SIZE.h" |
15 |
#include "EEPARAMS.h" |
16 |
#include "PARAMS.h" |
17 |
#include "DYNVARS.h" |
18 |
#include "GRID.h" |
19 |
#ifdef ALLOW_EBM |
20 |
# include "EBM.h" |
21 |
#endif |
22 |
|
23 |
C === Routine arguments === |
24 |
C myThid - Instance number for this innvocation |
25 |
INTEGER myThid |
26 |
INTEGER myIter |
27 |
_RL myTime |
28 |
|
29 |
CEndOfInterface |
30 |
C == Local variables == |
31 |
C I, J, K - Loop counters |
32 |
C CountX_tile - number of ocean points in each latitude band on each tile |
33 |
C maskC - Land/Ocean mask |
34 |
C ZonalMean_tile - zonal temperature average on each tile |
35 |
|
36 |
#ifdef ALLOW_EBM |
37 |
|
38 |
INTEGER i, j, k, bi, bj |
39 |
_RL CountX_tile(1-OLy:sNy+OLy,nSx,nSy) |
40 |
_RL ZonalMean_tile(1-OLy:sNy+OLy, nSx, nSy) |
41 |
|
42 |
C-- Top layer only |
43 |
k = 1 |
44 |
|
45 |
c-- Initialise |
46 |
DO bj=myByLo(myThid),myByHi(myThid) |
47 |
DO j=1-OLy,sNy+OLy |
48 |
ZonalMeanSST(j,bj) = 0.0 |
49 |
CountX(j,bj) = 0.0 |
50 |
ENDDO |
51 |
ENDDO |
52 |
|
53 |
C-- Calculate the zonal mean |
54 |
DO bj=myByLo(myThid),myByHi(myThid) |
55 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
56 |
DO j = 1-OLy, sNy+OLy |
57 |
CountX_tile(j,bi,bj) = 0.0 |
58 |
ZonalMean_tile(j,bi,bj) = 0.0 |
59 |
DO i=1,sNx |
60 |
ZonalMean_tile(j,bi,bj) = ZonalMean_tile(j,bi,bj) + |
61 |
& theta(i,j,k,bi,bj) |
62 |
CountX_tile(j,bi,bj) = CountX_tile(j,bi,bj) + |
63 |
& maskC(i,j,k,bi,bj) |
64 |
ENDDO |
65 |
ENDDO |
66 |
ZonalMeanSST(j,bj) = ZonalMeanSST(j,bj) + |
67 |
& ZonalMean_tile(j,bi,bj) |
68 |
CountX(j,bj) = CountX(j,bj) + CountX_tile(j,bi,bj) |
69 |
ENDDO |
70 |
ENDDO |
71 |
|
72 |
DO bj=myByLo(myThid),myByHi(myThid) |
73 |
DO j=1-OLy,sNy+OLy |
74 |
_GLOBAL_SUM_R8( CountX(j,bj), myThid ) |
75 |
_GLOBAL_SUM_R8( ZonalMeanSST(j,bj), myThid ) |
76 |
IF ( CountX(j,bj) .GT. 0.0) THEN |
77 |
ZonalMeanSST(j,bj) = ZonalMeanSST(j,bj)/CountX(j,bj) |
78 |
ENDIF |
79 |
ENDDO |
80 |
ENDDO |
81 |
|
82 |
#endif /* ALLOW_EBM */ |
83 |
|
84 |
RETURN |
85 |
END |
86 |
|
87 |
|
88 |
|