-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathchandrav.f
175 lines (152 loc) · 5.55 KB
/
chandrav.f
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
ccccc6ccc1ccccccccc2ccccccccc3ccccccccc4ccccccccc5ccccccccc6ccccccccc7cc
subroutine chandrav (ib, xlam, xlamb, xlame, fband, fb,
$ omega, gass, bext, omch, gch, bch)
c **********************************************************************************
c Created by Alf Kirkevåg.
c **********************************************************************************
c Here Chandrasekhar averaged optical parameters are calculated
c for the wavelength bands, ibm (each covering several iband's)
implicit none
integer i, iband, ib, ibm, ibmb, ibme
real xlam(31), xlamb(31), xlame(31), fband(31), omega(31),
$ gass(31), bext(31), omch(16), gch(16), bch(16), fb(16)
if(ib.eq.31) then
c initialize spectral optical parameters
do ibm = 1, 9
omch(ibm) = 0.0
gch(ibm) = 0.0
bch(ibm) = 0.0
enddo
c Chandrasekhar averaging band 1' (iband=1-2: 0.2 - 0.263 um)
ibm =1
ibmb=1
ibme=2
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 2' (iband=3-5: 0.263 - 0.345 um)
ibm =2
ibmb=3
ibme=5
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 3' (iband=6-9: 0.345 - 0.442 um)
ibm =3
ibmb=6
ibme=9
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 4' (iband=10-13: 0.442 - 0.625 um)
ibm =4
ibmb=10
ibme=13
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 5' (iband=14-17: 0.625 - 0.778 um)
ibm =5
ibmb=14
ibme=17
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 6' (iband=18-21: 0.778 - 1.242 um)
ibm =6
ibmb=18
ibme=21
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Band 7' (iband=22: 1.242 - 1.299 um) no Chandrasekhar averaging needed...
c ibm =7
c ibmb=22
c ibme=22
c call chsub (ibm, ibmb, ibme, fb, fband,
c $ omega, gass, bext, omch, gch, bch)
omch(7) = omega(22)
gch(7) = gass(22)
bch(7) = bext(22)
c Chandrasekhar averaging band 8' (iband=23-24: 1.299 - 1.626 um)
ibm =8
ibmb=23
ibme=24
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 9' (iband=25-26: 1.626 - 1.942 um)
ibm =9
ibmb=25
ibme=26
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c*****************************************************************
elseif(ib.eq.19) then
c initialize spectral optical parameters
c do ibm = 1, 4
do ibm = 1, 16
omch(ibm) = 0.0
gch(ibm) = 0.0
bch(ibm) = 0.0
enddo
c Chandrasekhar averaging the last band (28.571-100um):
ibm =16
ibmb=16
ibme=19
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c*****************************************************************
elseif(ib.eq.29) then
c initialize spectral optical parameters
do ibm = 8, 12
omch(ibm) = 0.0
gch(ibm) = 0.0
bch(ibm) = 0.0
enddo
c Chandrasekhar averaging band 8' (0.35-0.64um):
ibm =8
ibmb=8
ibme=12
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 10' (0.69-1.19um):
ibm =10
ibmb=14
ibme=19
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 11' (1.19-2.38um):
ibm =11
ibmb=20
ibme=25
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
c Chandrasekhar averaging band 12' (2.38-4.0um):
ibm =12
ibmb=26
ibme=29
call chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
endif ! ib = 29 or 31
return
end
c*************************************************************************
c Here the Chandrasekhar averaging itself is carried out (weighting
c of optical properties with the spectrally resolved TOA irradiance).
subroutine chsub (ibm, ibmb, ibme, fb, fband,
$ omega, gass, bext, omch, gch, bch)
implicit none
integer iband, ibm, ibmb, ibme
real fband(31), omega(31), gass(31), bext(31)
real fb(16), omch(16), gch(16), bch(16)
do iband = ibmb, ibme
omch(ibm)=omch(ibm)+omega(iband)*fband(iband)
gch(ibm) =gch(ibm) +gass(iband)*fband(iband)
bch(ibm) =bch(ibm) +bext(iband)*fband(iband)
c write(123,*) 'i, fband, om=', iband, fband(iband), omega(iband)
c write(*,*) 'i, fband, om=', iband, fband(iband), omega(iband)
enddo
omch(ibm)=omch(ibm)/fb(ibm)
gch(ibm) =gch(ibm)/fb(ibm)
bch(ibm) =bch(ibm)/fb(ibm)
c write(124,*) 'ibm, omch =', ibm, omch(ibm)
c write(125,*) 'ibm, gch =', ibm, gch(ibm)
c write(126,*) 'ibm, bch =', ibm, bch(ibm)
c write(127,*) 'i, fb =', ibm, fb(ibm)
c write(*,*) 'i, fb, bch =', ibm, fb(ibm), bch(ibm)
return
end