/[MITgcm]/MITgcm_contrib/jscott/pkg_atm2d/calc_zonal_means.F
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Revision 1.1 - (hide annotations) (download)
Fri Aug 11 18:55:49 2006 UTC (19 years, 4 months ago) by jscott
Branch: MAIN
new 2d atm package

1 jscott 1.1 #include "ctrparam.h"
2     #include "ATM2D_OPTIONS.h"
3    
4     C !INTERFACE:
5     SUBROUTINE CALC_ZONAL_MEANS(doAll,myThid )
6     C *==========================================================*
7     C | Calculate zonal mean ocean quantities (at a specific |
8     c | point in time) |
9     C *==========================================================*
10     IMPLICIT NONE
11    
12     C === Global Atmosphere Variables ===
13     #include "ATMSIZE.h"
14     #include "AGRID.COM"
15    
16     C === Global Ocean Variables ===
17     #include "SIZE.h"
18     #include "GRID.h"
19     #include "EEPARAMS.h"
20    
21     C === Global SeaIce Variables ===
22     #include "THSICE_VARS.h"
23    
24     C === Atmos/Ocean/Seaice Interface Variables ===
25     #include "ATM2D_VARS.h"
26    
27     C !INPUT/OUTPUT PARAMETERS:
28     C === Routine arguments ===
29     C myThid - Thread no. that called this routine.
30     LOGICAL doAll !if false, only vars changed after atm step
31     INTEGER myThid
32    
33     C LOCAL VARIABLES:
34     _RL mWgt
35     INTEGER i,j,j_atm
36    
37     DO j_atm=1,jm0
38     IF (doAll) THEN
39     ctocn(j_atm)=0. _d 0
40     cfice(j_atm)=0. _d 0
41     cco2flux(j_atm)=0. _d 0
42     ENDIF
43     ctice(j_atm)=0. _d 0
44     csAlb(j_atm)=0. _d 0
45     ENDDO
46    
47     DO j=1,sNy
48     DO i=1,sNx
49    
50     IF (maskC(i,j,1,1,1).EQ.1.) THEN
51    
52     IF (doAll) THEN
53     ctocn(atm_oc_ind(j))= ctocn(atm_oc_ind(j)) +
54     & sstFromOcn(i,j) * rA(i,j,1,1) *
55     & (1. _d 0-iceMask(i,j,1,1))*atm_oc_wgt(j)
56     cfice(atm_oc_ind(j))=cfice(atm_oc_ind(j)) +
57     & rA(i,j,1,1)*iceMask(i,j,1,1)*atm_oc_wgt(j)
58     cco2flux(atm_oc_ind(j))=cco2flux(atm_oc_ind(j)) +
59     & fluxCO2(i,j)*rA(i,j,1,1)*atm_oc_wgt(j)
60     ENDIF
61     ctice(atm_oc_ind(j))=ctice(atm_oc_ind(j)) + Tsrf(i,j,1,1)
62     & *rA(i,j,1,1)*iceMask(i,j,1,1)*atm_oc_wgt(j)
63     csAlb(atm_oc_ind(j))=csAlb(atm_oc_ind(j)) + siceAlb(i,j,1,1)
64     & *rA(i,j,1,1)*iceMask(i,j,1,1)*atm_oc_wgt(j)
65    
66     IF (atm_oc_wgt(j).LT.1. _d 0) THEN
67     mWgt= 1. _d 0-atm_oc_wgt(j)
68     IF (doAll) THEN
69     ctocn(atm_oc_ind(j)+1)= ctocn(atm_oc_ind(j)+1) +
70     & sstFromOcn(i,j) * rA(i,j,1,1) *
71     & (1. _d 0-iceMask(i,j,1,1))*mWgt
72     cfice(atm_oc_ind(j)+1)= cfice(atm_oc_ind(j)+1) +
73     & rA(i,j,1,1)*iceMask(i,j,1,1)*mWgt
74     cco2flux(atm_oc_ind(j)+1)= cco2flux(atm_oc_ind(j)+1) +
75     & fluxCO2(i,j)*rA(i,j,1,1)*mWgt
76     ENDIF
77     ctice(atm_oc_ind(j)+1)= ctice(atm_oc_ind(j)+1) +
78     & Tsrf(i,j,1,1)*rA(i,j,1,1)*iceMask(i,j,1,1)*mWgt
79     csAlb(atm_oc_ind(j)+1)= csAlb(atm_oc_ind(j)+1) +
80     & siceAlb(i,j,1,1)*rA(i,j,1,1)*iceMask(i,j,1,1)*mWgt
81     ENDIF
82    
83     ENDIF
84    
85     ENDDO
86     ENDDO
87    
88     DO j_atm=2,jm0-1
89    
90     IF (ocnArea(j_atm).GT.1. _d -32) THEN
91    
92     IF (doAll)THEN
93     cfice(j_atm)= cfice(j_atm)/ocnArea(j_atm)
94     cco2flux(j_atm)= cco2flux(j_atm)/ocnArea(j_atm)
95     ENDIF
96     IF (cfice(j_atm).GT.1. _d -32) THEN
97     ctice(j_atm)= ctice(j_atm)/ocnArea(j_atm)/cfice(j_atm)
98     csAlb(j_atm)= csAlb(j_atm)/ocnArea(j_atm)/cfice(j_atm)
99     ENDIF
100    
101     IF ((1. _d 0-cfice(j_atm).GT.1. _d -32).AND.doAll)
102     & ctocn(j_atm)= ctocn(j_atm)/ocnArea(j_atm)
103     & /(1. _d 0-cfice(j_atm))
104    
105     ENDIF
106    
107     C At present, keeping separate variables in AGRID.COM and ATM2D_VARS.h
108    
109     IF (doALL) THEN
110     mmsst(j_atm)= ctocn(j_atm)
111     mmfice(j_atm)= cfice(j_atm)
112     mmco2flux(j_atm)= cco2flux(j_atm)
113     ENDIF
114     mmtice(j_atm)= ctice(j_atm)
115     mmsAlb(j_atm)= csAlb(j_atm)
116    
117     ENDDO
118    
119     C Copy data to atmosphere polar points
120     IF (doALL) THEN
121     mmsst(1)= ctocn(2)
122     mmsst(jm0)= ctocn(jm0-1)
123     mmfice(1)= cfice(2)
124     mmfice(jm0)= cfice(jm0-1)
125     mmco2flux(1)= cco2flux(2)
126     mmco2flux(jm0)= cco2flux(jm0-1)
127     ENDIF
128     mmtice(1)= ctice(2)
129     mmtice(jm0)= ctice(jm0-1)
130     mmsAlb(1)= csAlb(2)
131     mmsAlb(jm0)= csAlb(jm0-1)
132    
133     RETURN
134     END

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