1 | ! |
---|
2 | ! $Header$ |
---|
3 | ! |
---|
4 | SUBROUTINE aeropt(pplay, paprs, t_seri, msulfate, RHcl, |
---|
5 | . tau_ae, piz_ae, cg_ae, ai ) |
---|
6 | c |
---|
7 | USE dimphy |
---|
8 | IMPLICIT none |
---|
9 | c |
---|
10 | c |
---|
11 | c |
---|
12 | cym#include "dimensions.h" |
---|
13 | cym#include "dimphy.h" |
---|
14 | #include "YOMCST.h" |
---|
15 | c |
---|
16 | c Arguments: |
---|
17 | c |
---|
18 | REAL, INTENT(in) :: paprs(klon,klev+1) |
---|
19 | REAL, INTENT(in) :: pplay(klon,klev), t_seri(klon,klev) |
---|
20 | REAL, INTENT(in) :: msulfate(klon,klev) ! masse sulfate ug SO4/m3 [ug/m^3] |
---|
21 | REAL, INTENT(in) :: RHcl(klon,klev) ! humidite relative ciel clair |
---|
22 | REAL, INTENT(out) :: tau_ae(klon,klev,2) ! epaisseur optique aerosol |
---|
23 | REAL, INTENT(out) :: piz_ae(klon,klev,2) ! single scattering albedo aerosol |
---|
24 | REAL, INTENT(out) :: cg_ae(klon,klev,2) ! asymmetry parameter aerosol |
---|
25 | REAL, INTENT(out) :: ai(klon) ! POLDER aerosol index |
---|
26 | c |
---|
27 | c Local |
---|
28 | c |
---|
29 | INTEGER i, k, inu |
---|
30 | INTEGER RH_num, nbre_RH |
---|
31 | PARAMETER (nbre_RH=12) |
---|
32 | REAL RH_tab(nbre_RH) |
---|
33 | REAL RH_MAX, DELTA, rh |
---|
34 | PARAMETER (RH_MAX=95.) |
---|
35 | DATA RH_tab/0.,10.,20.,30.,40.,50.,60.,70.,80.,85.,90.,95./ |
---|
36 | REAL zrho, zdz |
---|
37 | REAL taue670(klon) ! epaisseur optique aerosol absorption 550 nm |
---|
38 | REAL taue865(klon) ! epaisseur optique aerosol extinction 865 nm |
---|
39 | REAL alpha_aer_sulfate(nbre_RH,5) !--unit m2/g SO4 |
---|
40 | REAL alphasulfate |
---|
41 | c |
---|
42 | c Proprietes optiques |
---|
43 | c |
---|
44 | REAL alpha_aer(nbre_RH,2) !--unit m2/g SO4 |
---|
45 | REAL cg_aer(nbre_RH,2) |
---|
46 | DATA alpha_aer/.500130E+01, .500130E+01, .500130E+01, |
---|
47 | . .500130E+01, .500130E+01, .616710E+01, |
---|
48 | . .826850E+01, .107687E+02, .136976E+02, |
---|
49 | . .162972E+02, .211690E+02, .354833E+02, |
---|
50 | . .139460E+01, .139460E+01, .139460E+01, |
---|
51 | . .139460E+01, .139460E+01, .173910E+01, |
---|
52 | . .244380E+01, .332320E+01, .440120E+01, |
---|
53 | . .539570E+01, .734580E+01, .136038E+02 / |
---|
54 | DATA cg_aer/.619800E+00, .619800E+00, .619800E+00, |
---|
55 | . .619800E+00, .619800E+00, .662700E+00, |
---|
56 | . .682100E+00, .698500E+00, .712500E+00, |
---|
57 | . .721800E+00, .734600E+00, .755800E+00, |
---|
58 | . .545600E+00, .545600E+00, .545600E+00, |
---|
59 | . .545600E+00, .545600E+00, .583700E+00, |
---|
60 | . .607100E+00, .627700E+00, .645800E+00, |
---|
61 | . .658400E+00, .676500E+00, .708500E+00 / |
---|
62 | DATA alpha_aer_sulfate/ |
---|
63 | . 4.910,4.910,4.910,4.910,6.547,7.373, |
---|
64 | . 8.373,9.788,12.167,14.256,17.924,28.433, |
---|
65 | . 1.453,1.453,1.453,1.453,2.003,2.321, |
---|
66 | . 2.711,3.282,4.287,5.210,6.914,12.305, |
---|
67 | . 4.308,4.308,4.308,4.308,5.753,6.521, |
---|
68 | . 7.449,8.772,11.014,12.999,16.518,26.772, |
---|
69 | . 3.265,3.265,3.265,3.265,4.388,5.016, |
---|
70 | . 5.775,6.868,8.745,10.429,13.457,22.538, |
---|
71 | . 2.116,2.116,2.116,2.116,2.882,3.330, |
---|
72 | . 3.876,4.670,6.059,7.327,9.650,16.883/ |
---|
73 | c |
---|
74 | DO i=1, klon |
---|
75 | taue670(i)=0.0 |
---|
76 | taue865(i)=0.0 |
---|
77 | ENDDO |
---|
78 | c |
---|
79 | DO k=1, klev |
---|
80 | DO i=1, klon |
---|
81 | if (t_seri(i,k).eq.0) write (*,*) 'aeropt T ',i,k,t_seri(i,k) |
---|
82 | if (pplay(i,k).eq.0) write (*,*) 'aeropt p ',i,k,pplay(i,k) |
---|
83 | zrho=pplay(i,k)/t_seri(i,k)/RD ! kg/m3 |
---|
84 | zdz=(paprs(i,k)-paprs(i,k+1))/zrho/RG ! m |
---|
85 | rh=MIN(RHcl(i,k)*100.,RH_MAX) |
---|
86 | RH_num = INT( rh/10. + 1.) |
---|
87 | IF (rh.LT.0.) STOP 'aeropt: RH < 0 not possible' |
---|
88 | IF (rh.gt.85.) RH_num=10 |
---|
89 | IF (rh.gt.90.) RH_num=11 |
---|
90 | DELTA=(rh-RH_tab(RH_num))/(RH_tab(RH_num+1)-RH_tab(RH_num)) |
---|
91 | c |
---|
92 | inu=1 |
---|
93 | tau_ae(i,k,inu)=alpha_aer(RH_num,inu) + |
---|
94 | . DELTA*(alpha_aer(RH_num+1,inu)-alpha_aer(RH_num,inu)) |
---|
95 | tau_ae(i,k,inu)=tau_ae(i,k,inu)*msulfate(i,k)*zdz*1.e-6 |
---|
96 | piz_ae(i,k,inu)=1.0 |
---|
97 | cg_ae(i,k,inu)=cg_aer(RH_num,inu) + |
---|
98 | . DELTA*(cg_aer(RH_num+1,inu)-cg_aer(RH_num,inu)) |
---|
99 | c |
---|
100 | inu=2 |
---|
101 | tau_ae(i,k,inu)=alpha_aer(RH_num,inu) + |
---|
102 | . DELTA*(alpha_aer(RH_num+1,inu)-alpha_aer(RH_num,inu)) |
---|
103 | tau_ae(i,k,inu)=tau_ae(i,k,inu)*msulfate(i,k)*zdz*1.e-6 |
---|
104 | piz_ae(i,k,inu)=1.0 |
---|
105 | cg_ae(i,k,inu)=cg_aer(RH_num,inu) + |
---|
106 | . DELTA*(cg_aer(RH_num+1,inu)-cg_aer(RH_num,inu)) |
---|
107 | cjq |
---|
108 | cjq for aerosol index |
---|
109 | c |
---|
110 | alphasulfate=alpha_aer_sulfate(RH_num,4) + |
---|
111 | . DELTA*(alpha_aer_sulfate(RH_num+1,4)- |
---|
112 | . alpha_aer_sulfate(RH_num,4)) !--m2/g |
---|
113 | c |
---|
114 | taue670(i)=taue670(i)+ |
---|
115 | . alphasulfate*msulfate(i,k)*zdz*1.e-6 |
---|
116 | c |
---|
117 | alphasulfate=alpha_aer_sulfate(RH_num,5) + |
---|
118 | . DELTA*(alpha_aer_sulfate(RH_num+1,5)- |
---|
119 | . alpha_aer_sulfate(RH_num,5)) !--m2/g |
---|
120 | c |
---|
121 | taue865(i)=taue865(i)+ |
---|
122 | . alphasulfate*msulfate(i,k)*zdz*1.e-6 |
---|
123 | |
---|
124 | ENDDO |
---|
125 | ENDDO |
---|
126 | c |
---|
127 | DO i=1, klon |
---|
128 | ai(i)=(-log(MAX(taue670(i),0.0001)/ |
---|
129 | . MAX(taue865(i),0.0001))/log(670./865.)) * |
---|
130 | . taue865(i) |
---|
131 | ENDDO |
---|
132 | c |
---|
133 | RETURN |
---|
134 | END |
---|