/[MITgcm]/MITgcm_contrib/jscott/pkg_atm2d/calc_zonal_means.F
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Contents of /MITgcm_contrib/jscott/pkg_atm2d/calc_zonal_means.F

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Revision 1.1 - (show annotations) (download)
Fri Aug 11 18:55:49 2006 UTC (19 years, 4 months ago) by jscott
Branch: MAIN
new 2d atm package

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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