1 |
guez |
81 |
SUBROUTINE sw1s(knu, paer, flag_aer, tauae, pizae, cgae, palbd, palbp, pcg, & |
2 |
|
|
pcld, pclear, pcldsw, pdsig, pomega, poz, prmu, psec, ptau, pud, pfd, & |
3 |
|
|
pfu) |
4 |
|
|
USE dimens_m |
5 |
|
|
USE dimphy |
6 |
|
|
USE raddim |
7 |
|
|
IMPLICIT NONE |
8 |
|
|
|
9 |
|
|
! ------------------------------------------------------------------ |
10 |
|
|
! PURPOSE. |
11 |
|
|
! -------- |
12 |
|
|
|
13 |
|
|
! THIS ROUTINE COMPUTES THE SHORTWAVE RADIATION FLUXES IN TWO |
14 |
|
|
! SPECTRAL INTERVALS FOLLOWING FOUQUART AND BONNEL (1980). |
15 |
|
|
|
16 |
|
|
! METHOD. |
17 |
|
|
! ------- |
18 |
|
|
|
19 |
|
|
! 1. COMPUTES UPWARD AND DOWNWARD FLUXES CORRESPONDING TO |
20 |
|
|
! CONTINUUM SCATTERING |
21 |
|
|
! 2. MULTIPLY BY OZONE TRANSMISSION FUNCTION |
22 |
|
|
|
23 |
|
|
! REFERENCE. |
24 |
|
|
! ---------- |
25 |
|
|
|
26 |
|
|
! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT |
27 |
|
|
! DOCUMENTATION, AND FOUQUART AND BONNEL (1980) |
28 |
|
|
|
29 |
|
|
! AUTHOR. |
30 |
|
|
! ------- |
31 |
|
|
! JEAN-JACQUES MORCRETTE *ECMWF* |
32 |
|
|
|
33 |
|
|
! MODIFICATIONS. |
34 |
|
|
! -------------- |
35 |
|
|
! ORIGINAL : 89-07-14 |
36 |
|
|
! 94-11-15 J.-J. MORCRETTE DIRECT/DIFFUSE ALBEDO |
37 |
|
|
! ------------------------------------------------------------------ |
38 |
|
|
|
39 |
|
|
! * ARGUMENTS: |
40 |
|
|
|
41 |
|
|
INTEGER knu |
42 |
|
|
! -OB |
43 |
|
|
DOUBLE PRECISION flag_aer |
44 |
|
|
DOUBLE PRECISION tauae(kdlon, kflev, 2) |
45 |
|
|
DOUBLE PRECISION pizae(kdlon, kflev, 2) |
46 |
|
|
DOUBLE PRECISION cgae(kdlon, kflev, 2) |
47 |
|
|
DOUBLE PRECISION paer(kdlon, kflev, 5) |
48 |
|
|
DOUBLE PRECISION palbd(kdlon, 2) |
49 |
|
|
DOUBLE PRECISION palbp(kdlon, 2) |
50 |
|
|
DOUBLE PRECISION pcg(kdlon, 2, kflev) |
51 |
|
|
DOUBLE PRECISION pcld(kdlon, kflev) |
52 |
|
|
DOUBLE PRECISION pcldsw(kdlon, kflev) |
53 |
|
|
DOUBLE PRECISION pclear(kdlon) |
54 |
|
|
DOUBLE PRECISION pdsig(kdlon, kflev) |
55 |
|
|
DOUBLE PRECISION pomega(kdlon, 2, kflev) |
56 |
|
|
DOUBLE PRECISION poz(kdlon, kflev) |
57 |
|
|
DOUBLE PRECISION prmu(kdlon) |
58 |
|
|
DOUBLE PRECISION psec(kdlon) |
59 |
|
|
DOUBLE PRECISION ptau(kdlon, 2, kflev) |
60 |
|
|
DOUBLE PRECISION pud(kdlon, 5, kflev+1) |
61 |
|
|
|
62 |
|
|
DOUBLE PRECISION pfd(kdlon, kflev+1) |
63 |
|
|
DOUBLE PRECISION pfu(kdlon, kflev+1) |
64 |
|
|
|
65 |
|
|
! * LOCAL VARIABLES: |
66 |
|
|
|
67 |
|
|
INTEGER iind(4) |
68 |
|
|
|
69 |
|
|
DOUBLE PRECISION zcgaz(kdlon, kflev) |
70 |
|
|
DOUBLE PRECISION zdiff(kdlon) |
71 |
|
|
DOUBLE PRECISION zdirf(kdlon) |
72 |
|
|
DOUBLE PRECISION zpizaz(kdlon, kflev) |
73 |
|
|
DOUBLE PRECISION zrayl(kdlon) |
74 |
|
|
DOUBLE PRECISION zray1(kdlon, kflev+1) |
75 |
|
|
DOUBLE PRECISION zray2(kdlon, kflev+1) |
76 |
|
|
DOUBLE PRECISION zrefz(kdlon, 2, kflev+1) |
77 |
|
|
DOUBLE PRECISION zrj(kdlon, 6, kflev+1) |
78 |
|
|
DOUBLE PRECISION zrj0(kdlon, 6, kflev+1) |
79 |
|
|
DOUBLE PRECISION zrk(kdlon, 6, kflev+1) |
80 |
|
|
DOUBLE PRECISION zrk0(kdlon, 6, kflev+1) |
81 |
|
|
DOUBLE PRECISION zrmue(kdlon, kflev+1) |
82 |
|
|
DOUBLE PRECISION zrmu0(kdlon, kflev+1) |
83 |
|
|
DOUBLE PRECISION zr(kdlon, 4) |
84 |
|
|
DOUBLE PRECISION ztauaz(kdlon, kflev) |
85 |
|
|
DOUBLE PRECISION ztra1(kdlon, kflev+1) |
86 |
|
|
DOUBLE PRECISION ztra2(kdlon, kflev+1) |
87 |
|
|
DOUBLE PRECISION zw(kdlon, 4) |
88 |
|
|
|
89 |
|
|
INTEGER jl, jk, k, jaj, ikm1, ikl |
90 |
|
|
|
91 |
|
|
! Prescribed Data: |
92 |
|
|
|
93 |
|
|
DOUBLE PRECISION rsun(2) |
94 |
|
|
SAVE rsun |
95 |
|
|
DOUBLE PRECISION rray(2, 6) |
96 |
|
|
SAVE rray |
97 |
|
|
DATA rsun(1)/0.441676/ |
98 |
|
|
DATA rsun(2)/0.558324/ |
99 |
|
|
DATA (rray(1,k), k=1, 6)/.428937E-01, .890743E+00, -.288555E+01, & |
100 |
|
|
.522744E+01, -.469173E+01, .161645E+01/ |
101 |
|
|
DATA (rray(2,k), k=1, 6)/.697200E-02, .173297E-01, -.850903E-01, & |
102 |
|
|
.248261E+00, -.302031E+00, .129662E+00/ |
103 |
|
|
! ------------------------------------------------------------------ |
104 |
|
|
|
105 |
|
|
! * 1. FIRST SPECTRAL INTERVAL (0.25-0.68 MICRON) |
106 |
|
|
! ----------------------- ------------------ |
107 |
|
|
|
108 |
|
|
|
109 |
|
|
|
110 |
|
|
! * 1.1 OPTICAL THICKNESS FOR RAYLEIGH SCATTERING |
111 |
|
|
! ----------------------------------------- |
112 |
|
|
|
113 |
|
|
|
114 |
|
|
DO jl = 1, kdlon |
115 |
|
|
zrayl(jl) = rray(knu, 1) + prmu(jl)*(rray(knu,2)+prmu(jl)*(rray(knu, & |
116 |
|
|
3)+prmu(jl)*(rray(knu,4)+prmu(jl)*(rray(knu,5)+prmu(jl)*rray(knu,6))))) |
117 |
|
|
END DO |
118 |
|
|
|
119 |
|
|
|
120 |
|
|
! ------------------------------------------------------------------ |
121 |
|
|
|
122 |
|
|
! * 2. CONTINUUM SCATTERING CALCULATIONS |
123 |
|
|
! --------------------------------- |
124 |
|
|
|
125 |
|
|
|
126 |
|
|
! * 2.1 CLEAR-SKY FRACTION OF THE COLUMN |
127 |
|
|
! -------------------------------- |
128 |
|
|
|
129 |
|
|
|
130 |
|
|
CALL swclr(knu, paer, flag_aer, tauae, pizae, cgae, palbp, pdsig, zrayl, & |
131 |
|
|
psec, zcgaz, zpizaz, zray1, zray2, zrefz, zrj0, zrk0, zrmu0, ztauaz, & |
132 |
|
|
ztra1, ztra2) |
133 |
|
|
|
134 |
|
|
|
135 |
|
|
! * 2.2 CLOUDY FRACTION OF THE COLUMN |
136 |
|
|
! ----------------------------- |
137 |
|
|
|
138 |
|
|
|
139 |
|
|
CALL swr(knu, palbd, pcg, pcld, pdsig, pomega, zrayl, psec, ptau, zcgaz, & |
140 |
|
|
zpizaz, zray1, zray2, zrefz, zrj, zrk, zrmue, ztauaz, ztra1, ztra2) |
141 |
|
|
|
142 |
|
|
|
143 |
|
|
! ------------------------------------------------------------------ |
144 |
|
|
|
145 |
|
|
! * 3. OZONE ABSORPTION |
146 |
|
|
! ---------------- |
147 |
|
|
|
148 |
|
|
|
149 |
|
|
iind(1) = 1 |
150 |
|
|
iind(2) = 3 |
151 |
|
|
iind(3) = 1 |
152 |
|
|
iind(4) = 3 |
153 |
|
|
|
154 |
|
|
|
155 |
|
|
! * 3.1 DOWNWARD FLUXES |
156 |
|
|
! --------------- |
157 |
|
|
|
158 |
|
|
|
159 |
|
|
jaj = 2 |
160 |
|
|
|
161 |
|
|
DO jl = 1, kdlon |
162 |
|
|
zw(jl, 1) = 0. |
163 |
|
|
zw(jl, 2) = 0. |
164 |
|
|
zw(jl, 3) = 0. |
165 |
|
|
zw(jl, 4) = 0. |
166 |
|
|
pfd(jl, kflev+1) = ((1.-pclear(jl))*zrj(jl,jaj,kflev+1)+pclear(jl)*zrj0( & |
167 |
|
|
jl,jaj,kflev+1))*rsun(knu) |
168 |
|
|
END DO |
169 |
|
|
DO jk = 1, kflev |
170 |
|
|
ikl = kflev + 1 - jk |
171 |
|
|
DO jl = 1, kdlon |
172 |
|
|
zw(jl, 1) = zw(jl, 1) + pud(jl, 1, ikl)/zrmue(jl, ikl) |
173 |
|
|
zw(jl, 2) = zw(jl, 2) + poz(jl, ikl)/zrmue(jl, ikl) |
174 |
|
|
zw(jl, 3) = zw(jl, 3) + pud(jl, 1, ikl)/zrmu0(jl, ikl) |
175 |
|
|
zw(jl, 4) = zw(jl, 4) + poz(jl, ikl)/zrmu0(jl, ikl) |
176 |
|
|
END DO |
177 |
|
|
|
178 |
|
|
CALL swtt1(knu, 4, iind, zw, zr) |
179 |
|
|
|
180 |
|
|
DO jl = 1, kdlon |
181 |
|
|
zdiff(jl) = zr(jl, 1)*zr(jl, 2)*zrj(jl, jaj, ikl) |
182 |
|
|
zdirf(jl) = zr(jl, 3)*zr(jl, 4)*zrj0(jl, jaj, ikl) |
183 |
|
|
pfd(jl, ikl) = ((1.-pclear(jl))*zdiff(jl)+pclear(jl)*zdirf(jl))* & |
184 |
|
|
rsun(knu) |
185 |
|
|
END DO |
186 |
|
|
END DO |
187 |
|
|
|
188 |
|
|
|
189 |
|
|
! * 3.2 UPWARD FLUXES |
190 |
|
|
! ------------- |
191 |
|
|
|
192 |
|
|
|
193 |
|
|
DO jl = 1, kdlon |
194 |
|
|
pfu(jl, 1) = ((1.-pclear(jl))*zdiff(jl)*palbd(jl,knu)+pclear(jl)*zdirf(jl & |
195 |
|
|
)*palbp(jl,knu))*rsun(knu) |
196 |
|
|
END DO |
197 |
|
|
|
198 |
|
|
DO jk = 2, kflev + 1 |
199 |
|
|
ikm1 = jk - 1 |
200 |
|
|
DO jl = 1, kdlon |
201 |
|
|
zw(jl, 1) = zw(jl, 1) + pud(jl, 1, ikm1)*1.66 |
202 |
|
|
zw(jl, 2) = zw(jl, 2) + poz(jl, ikm1)*1.66 |
203 |
|
|
zw(jl, 3) = zw(jl, 3) + pud(jl, 1, ikm1)*1.66 |
204 |
|
|
zw(jl, 4) = zw(jl, 4) + poz(jl, ikm1)*1.66 |
205 |
|
|
END DO |
206 |
|
|
|
207 |
|
|
CALL swtt1(knu, 4, iind, zw, zr) |
208 |
|
|
|
209 |
|
|
DO jl = 1, kdlon |
210 |
|
|
zdiff(jl) = zr(jl, 1)*zr(jl, 2)*zrk(jl, jaj, jk) |
211 |
|
|
zdirf(jl) = zr(jl, 3)*zr(jl, 4)*zrk0(jl, jaj, jk) |
212 |
|
|
pfu(jl, jk) = ((1.-pclear(jl))*zdiff(jl)+pclear(jl)*zdirf(jl))* & |
213 |
|
|
rsun(knu) |
214 |
|
|
END DO |
215 |
|
|
END DO |
216 |
|
|
|
217 |
|
|
! ------------------------------------------------------------------ |
218 |
|
|
|
219 |
|
|
RETURN |
220 |
|
|
END SUBROUTINE sw1s |