1 |
SUBROUTINE SWCLR ( KNU |
SUBROUTINE swclr(knu, paer, flag_aer, tauae, pizae, cgae, palbp, pdsig, & |
2 |
S , PAER , flag_aer, tauae, pizae, cgae |
prayl, psec, pcgaz, ppizaz, pray1, pray2, prefz, prj, prk, prmu0, ptauaz, & |
3 |
S , PALBP , PDSIG , PRAYL , PSEC |
ptra1, ptra2) |
4 |
S , PCGAZ , PPIZAZ, PRAY1 , PRAY2 , PREFZ , PRJ |
USE dimens_m |
5 |
S , PRK , PRMU0 , PTAUAZ, PTRA1 , PTRA2 ) |
USE dimphy |
6 |
use dimens_m |
USE raddim |
7 |
use dimphy |
USE radepsi |
8 |
use raddim |
USE radopt |
9 |
use radepsi |
IMPLICIT NONE |
10 |
use radopt |
|
11 |
IMPLICIT none |
! ------------------------------------------------------------------ |
12 |
C |
! PURPOSE. |
13 |
C ------------------------------------------------------------------ |
! -------- |
14 |
C PURPOSE. |
! COMPUTES THE REFLECTIVITY AND TRANSMISSIVITY IN CASE OF |
15 |
C -------- |
! CLEAR-SKY COLUMN |
16 |
C COMPUTES THE REFLECTIVITY AND TRANSMISSIVITY IN CASE OF |
|
17 |
C CLEAR-SKY COLUMN |
! REFERENCE. |
18 |
C |
! ---------- |
19 |
C REFERENCE. |
|
20 |
C ---------- |
! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT |
21 |
C |
! DOCUMENTATION, AND FOUQUART AND BONNEL (1980) |
22 |
C SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT |
|
23 |
C DOCUMENTATION, AND FOUQUART AND BONNEL (1980) |
! AUTHOR. |
24 |
C |
! ------- |
25 |
C AUTHOR. |
! JEAN-JACQUES MORCRETTE *ECMWF* |
26 |
C ------- |
|
27 |
C JEAN-JACQUES MORCRETTE *ECMWF* |
! MODIFICATIONS. |
28 |
C |
! -------------- |
29 |
C MODIFICATIONS. |
! ORIGINAL : 94-11-15 |
30 |
C -------------- |
! ------------------------------------------------------------------ |
31 |
C ORIGINAL : 94-11-15 |
! * ARGUMENTS: |
32 |
C ------------------------------------------------------------------ |
|
33 |
C* ARGUMENTS: |
INTEGER knu |
34 |
C |
! -OB |
35 |
INTEGER KNU |
DOUBLE PRECISION flag_aer |
36 |
c-OB |
DOUBLE PRECISION tauae(kdlon, kflev, 2) |
37 |
double precision flag_aer |
DOUBLE PRECISION pizae(kdlon, kflev, 2) |
38 |
double precision tauae(kdlon,kflev,2) |
DOUBLE PRECISION cgae(kdlon, kflev, 2) |
39 |
double precision pizae(kdlon,kflev,2) |
DOUBLE PRECISION paer(kdlon, kflev, 5) |
40 |
double precision cgae(kdlon,kflev,2) |
DOUBLE PRECISION palbp(kdlon, 2) |
41 |
DOUBLE PRECISION PAER(KDLON,KFLEV,5) |
DOUBLE PRECISION pdsig(kdlon, kflev) |
42 |
DOUBLE PRECISION PALBP(KDLON,2) |
DOUBLE PRECISION prayl(kdlon) |
43 |
DOUBLE PRECISION PDSIG(KDLON,KFLEV) |
DOUBLE PRECISION psec(kdlon) |
44 |
DOUBLE PRECISION PRAYL(KDLON) |
|
45 |
DOUBLE PRECISION PSEC(KDLON) |
DOUBLE PRECISION pcgaz(kdlon, kflev) |
46 |
C |
DOUBLE PRECISION ppizaz(kdlon, kflev) |
47 |
DOUBLE PRECISION PCGAZ(KDLON,KFLEV) |
DOUBLE PRECISION pray1(kdlon, kflev+1) |
48 |
DOUBLE PRECISION PPIZAZ(KDLON,KFLEV) |
DOUBLE PRECISION pray2(kdlon, kflev+1) |
49 |
DOUBLE PRECISION PRAY1(KDLON,KFLEV+1) |
DOUBLE PRECISION prefz(kdlon, 2, kflev+1) |
50 |
DOUBLE PRECISION PRAY2(KDLON,KFLEV+1) |
DOUBLE PRECISION prj(kdlon, 6, kflev+1) |
51 |
DOUBLE PRECISION PREFZ(KDLON,2,KFLEV+1) |
DOUBLE PRECISION prk(kdlon, 6, kflev+1) |
52 |
DOUBLE PRECISION PRJ(KDLON,6,KFLEV+1) |
DOUBLE PRECISION prmu0(kdlon, kflev+1) |
53 |
DOUBLE PRECISION PRK(KDLON,6,KFLEV+1) |
DOUBLE PRECISION ptauaz(kdlon, kflev) |
54 |
DOUBLE PRECISION PRMU0(KDLON,KFLEV+1) |
DOUBLE PRECISION ptra1(kdlon, kflev+1) |
55 |
DOUBLE PRECISION PTAUAZ(KDLON,KFLEV) |
DOUBLE PRECISION ptra2(kdlon, kflev+1) |
56 |
DOUBLE PRECISION PTRA1(KDLON,KFLEV+1) |
|
57 |
DOUBLE PRECISION PTRA2(KDLON,KFLEV+1) |
! * LOCAL VARIABLES: |
58 |
C |
|
59 |
C* LOCAL VARIABLES: |
DOUBLE PRECISION zc0i(kdlon, kflev+1) |
60 |
C |
DOUBLE PRECISION zcle0(kdlon, kflev) |
61 |
DOUBLE PRECISION ZC0I(KDLON,KFLEV+1) |
DOUBLE PRECISION zclear(kdlon) |
62 |
DOUBLE PRECISION ZCLE0(KDLON,KFLEV) |
DOUBLE PRECISION zr21(kdlon) |
63 |
DOUBLE PRECISION ZCLEAR(KDLON) |
DOUBLE PRECISION zr23(kdlon) |
64 |
DOUBLE PRECISION ZR21(KDLON) |
DOUBLE PRECISION zss0(kdlon) |
65 |
DOUBLE PRECISION ZR23(KDLON) |
DOUBLE PRECISION zscat(kdlon) |
66 |
DOUBLE PRECISION ZSS0(KDLON) |
DOUBLE PRECISION ztr(kdlon, 2, kflev+1) |
67 |
DOUBLE PRECISION ZSCAT(KDLON) |
|
68 |
DOUBLE PRECISION ZTR(KDLON,2,KFLEV+1) |
INTEGER jl, jk, ja, jkl, jklp1, jaj, jkm1 |
69 |
C |
DOUBLE PRECISION ztray, zgar, zratio, zff, zfacoa, zcorae |
70 |
INTEGER jl, jk, ja, jae, jkl, jklp1, jaj, jkm1, in |
DOUBLE PRECISION zmue, zgap, zww, zto, zden, zmu1, zden1 |
71 |
DOUBLE PRECISION ZTRAY, ZGAR, ZRATIO, ZFF, ZFACOA, ZCORAE |
DOUBLE PRECISION zbmu0, zbmu1, zre11 |
72 |
DOUBLE PRECISION ZMUE, ZGAP, ZWW, ZTO, ZDEN, ZMU1, ZDEN1 |
|
73 |
DOUBLE PRECISION ZBMU0, ZBMU1, ZRE11 |
! ------------------------------------------------------------------ |
74 |
C |
|
75 |
C* Prescribed Data for Aerosols: |
! * 1. OPTICAL PARAMETERS FOR AEROSOLS AND RAYLEIGH |
76 |
C |
! -------------------------------------------- |
77 |
DOUBLE PRECISION TAUA(2,5), RPIZA(2,5), RCGA(2,5) |
|
78 |
SAVE TAUA, RPIZA, RCGA |
|
79 |
DATA ((TAUA(IN,JA),JA=1,5),IN=1,2) / |
DO jk = 1, kflev + 1 |
80 |
S .730719, .912819, .725059, .745405, .682188 , |
DO ja = 1, 6 |
81 |
S .730719, .912819, .725059, .745405, .682188 / |
DO jl = 1, kdlon |
82 |
DATA ((RPIZA(IN,JA),JA=1,5),IN=1,2) / |
prj(jl, ja, jk) = 0. |
83 |
S .872212, .982545, .623143, .944887, .997975 , |
prk(jl, ja, jk) = 0. |
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S .872212, .982545, .623143, .944887, .997975 / |
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DATA ((RCGA (IN,JA),JA=1,5),IN=1,2) / |
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S .647596, .739002, .580845, .662657, .624246 , |
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S .647596, .739002, .580845, .662657, .624246 / |
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C ------------------------------------------------------------------ |
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C |
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C* 1. OPTICAL PARAMETERS FOR AEROSOLS AND RAYLEIGH |
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C -------------------------------------------- |
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C |
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100 CONTINUE |
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C |
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DO 103 JK = 1 , KFLEV+1 |
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DO 102 JA = 1 , 6 |
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DO 101 JL = 1, KDLON |
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PRJ(JL,JA,JK) = 0. |
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PRK(JL,JA,JK) = 0. |
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101 CONTINUE |
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102 CONTINUE |
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103 CONTINUE |
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C |
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DO 108 JK = 1 , KFLEV |
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c-OB |
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c DO 104 JL = 1, KDLON |
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c PCGAZ(JL,JK) = 0. |
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c PPIZAZ(JL,JK) = 0. |
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c PTAUAZ(JL,JK) = 0. |
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c 104 CONTINUE |
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c-OB |
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c DO 106 JAE=1,5 |
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c DO 105 JL = 1, KDLON |
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c PTAUAZ(JL,JK)=PTAUAZ(JL,JK) |
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c S +PAER(JL,JK,JAE)*TAUA(KNU,JAE) |
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c PPIZAZ(JL,JK)=PPIZAZ(JL,JK)+PAER(JL,JK,JAE) |
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c S * TAUA(KNU,JAE)*RPIZA(KNU,JAE) |
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c PCGAZ(JL,JK) = PCGAZ(JL,JK) +PAER(JL,JK,JAE) |
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c S * TAUA(KNU,JAE)*RPIZA(KNU,JAE)*RCGA(KNU,JAE) |
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c 105 CONTINUE |
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c 106 CONTINUE |
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c-OB |
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DO 105 JL = 1, KDLON |
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PTAUAZ(JL,JK)=flag_aer * tauae(JL,JK,KNU) |
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PPIZAZ(JL,JK)=flag_aer * pizae(JL,JK,KNU) |
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PCGAZ (JL,JK)=flag_aer * cgae(JL,JK,KNU) |
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105 CONTINUE |
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C |
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IF (flag_aer.GT.0) THEN |
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c-OB |
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DO 107 JL = 1, KDLON |
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c PCGAZ(JL,JK)=PCGAZ(JL,JK)/PPIZAZ(JL,JK) |
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c PPIZAZ(JL,JK)=PPIZAZ(JL,JK)/PTAUAZ(JL,JK) |
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ZTRAY = PRAYL(JL) * PDSIG(JL,JK) |
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ZRATIO = ZTRAY / (ZTRAY + PTAUAZ(JL,JK)) |
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ZGAR = PCGAZ(JL,JK) |
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ZFF = ZGAR * ZGAR |
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PTAUAZ(JL,JK)=ZTRAY+PTAUAZ(JL,JK)*(1.-PPIZAZ(JL,JK)*ZFF) |
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PCGAZ(JL,JK) = ZGAR * (1. - ZRATIO) / (1. + ZGAR) |
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PPIZAZ(JL,JK) =ZRATIO+(1.-ZRATIO)*PPIZAZ(JL,JK)*(1.-ZFF) |
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S / (1. - PPIZAZ(JL,JK) * ZFF) |
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107 CONTINUE |
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ELSE |
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DO JL = 1, KDLON |
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ZTRAY = PRAYL(JL) * PDSIG(JL,JK) |
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PTAUAZ(JL,JK) = ZTRAY |
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PCGAZ(JL,JK) = 0. |
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PPIZAZ(JL,JK) = 1.-REPSCT |
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84 |
END DO |
END DO |
85 |
END IF ! check flag_aer |
END DO |
86 |
c 107 CONTINUE |
END DO |
87 |
c PRINT 9107,JK,((PAER(JL,JK,JAE),JAE=1,5) |
|
88 |
c $ ,PTAUAZ(JL,JK),PPIZAZ(JL,JK),PCGAZ(JL,JK),JL=1,KDLON) |
DO jk = 1, kflev |
89 |
c 9107 FORMAT(1X,'SWCLR_107',I3,8E12.5) |
DO jl = 1, kdlon |
90 |
C |
ptauaz(jl, jk) = flag_aer*tauae(jl, jk, knu) |
91 |
108 CONTINUE |
ppizaz(jl, jk) = flag_aer*pizae(jl, jk, knu) |
92 |
C |
pcgaz(jl, jk) = flag_aer*cgae(jl, jk, knu) |
93 |
C ------------------------------------------------------------------ |
END DO |
94 |
C |
|
95 |
C* 2. TOTAL EFFECTIVE CLOUDINESS ABOVE A GIVEN LEVEL |
IF (flag_aer>0) THEN |
96 |
C ---------------------------------------------- |
! -OB |
97 |
C |
DO jl = 1, kdlon |
98 |
200 CONTINUE |
! PCGAZ(JL,JK)=PCGAZ(JL,JK)/PPIZAZ(JL,JK) |
99 |
C |
! PPIZAZ(JL,JK)=PPIZAZ(JL,JK)/PTAUAZ(JL,JK) |
100 |
DO 201 JL = 1, KDLON |
ztray = prayl(jl)*pdsig(jl, jk) |
101 |
ZR23(JL) = 0. |
zratio = ztray/(ztray+ptauaz(jl,jk)) |
102 |
ZC0I(JL,KFLEV+1) = 0. |
zgar = pcgaz(jl, jk) |
103 |
ZCLEAR(JL) = 1. |
zff = zgar*zgar |
104 |
ZSCAT(JL) = 0. |
ptauaz(jl, jk) = ztray + ptauaz(jl, jk)*(1.-ppizaz(jl,jk)*zff) |
105 |
201 CONTINUE |
pcgaz(jl, jk) = zgar*(1.-zratio)/(1.+zgar) |
106 |
C |
ppizaz(jl, jk) = zratio + (1.-zratio)*ppizaz(jl, jk)*(1.-zff)/(1.- & |
107 |
JK = 1 |
ppizaz(jl,jk)*zff) |
108 |
JKL = KFLEV+1 - JK |
END DO |
109 |
JKLP1 = JKL + 1 |
ELSE |
110 |
DO 202 JL = 1, KDLON |
DO jl = 1, kdlon |
111 |
ZFACOA = 1. - PPIZAZ(JL,JKL)*PCGAZ(JL,JKL)*PCGAZ(JL,JKL) |
ztray = prayl(jl)*pdsig(jl, jk) |
112 |
ZCORAE = ZFACOA * PTAUAZ(JL,JKL) * PSEC(JL) |
ptauaz(jl, jk) = ztray |
113 |
ZR21(JL) = EXP(-ZCORAE ) |
pcgaz(jl, jk) = 0. |
114 |
ZSS0(JL) = 1.-ZR21(JL) |
ppizaz(jl, jk) = 1. - repsct |
115 |
ZCLE0(JL,JKL) = ZSS0(JL) |
END DO |
116 |
C |
END IF ! check flag_aer |
117 |
IF (NOVLP.EQ.1) THEN |
END DO |
118 |
c* maximum-random |
|
119 |
ZCLEAR(JL) = ZCLEAR(JL) |
! ------------------------------------------------------------------ |
120 |
S *(1.0-MAX(ZSS0(JL),ZSCAT(JL))) |
|
121 |
S /(1.0-MIN(ZSCAT(JL),1.-ZEPSEC)) |
! * 2. TOTAL EFFECTIVE CLOUDINESS ABOVE A GIVEN LEVEL |
122 |
ZC0I(JL,JKL) = 1.0 - ZCLEAR(JL) |
! ---------------------------------------------- |
123 |
ZSCAT(JL) = ZSS0(JL) |
|
124 |
ELSE IF (NOVLP.EQ.2) THEN |
|
125 |
C* maximum |
DO jl = 1, kdlon |
126 |
ZSCAT(JL) = MAX( ZSS0(JL) , ZSCAT(JL) ) |
zr23(jl) = 0. |
127 |
ZC0I(JL,JKL) = ZSCAT(JL) |
zc0i(jl, kflev+1) = 0. |
128 |
ELSE IF (NOVLP.EQ.3) THEN |
zclear(jl) = 1. |
129 |
c* random |
zscat(jl) = 0. |
130 |
ZCLEAR(JL)=ZCLEAR(JL)*(1.0-ZSS0(JL)) |
END DO |
131 |
ZSCAT(JL) = 1.0 - ZCLEAR(JL) |
|
132 |
ZC0I(JL,JKL) = ZSCAT(JL) |
jk = 1 |
133 |
END IF |
jkl = kflev + 1 - jk |
134 |
202 CONTINUE |
jklp1 = jkl + 1 |
135 |
C |
DO jl = 1, kdlon |
136 |
DO 205 JK = 2 , KFLEV |
zfacoa = 1. - ppizaz(jl, jkl)*pcgaz(jl, jkl)*pcgaz(jl, jkl) |
137 |
JKL = KFLEV+1 - JK |
zcorae = zfacoa*ptauaz(jl, jkl)*psec(jl) |
138 |
JKLP1 = JKL + 1 |
zr21(jl) = exp(-zcorae) |
139 |
DO 204 JL = 1, KDLON |
zss0(jl) = 1. - zr21(jl) |
140 |
ZFACOA = 1. - PPIZAZ(JL,JKL)*PCGAZ(JL,JKL)*PCGAZ(JL,JKL) |
zcle0(jl, jkl) = zss0(jl) |
141 |
ZCORAE = ZFACOA * PTAUAZ(JL,JKL) * PSEC(JL) |
|
142 |
ZR21(JL) = EXP(-ZCORAE ) |
IF (novlp==1) THEN |
143 |
ZSS0(JL) = 1.-ZR21(JL) |
! * maximum-random |
144 |
ZCLE0(JL,JKL) = ZSS0(JL) |
zclear(jl) = zclear(jl)*(1.0-max(zss0(jl),zscat(jl)))/ & |
145 |
c |
(1.0-min(zscat(jl),1.-zepsec)) |
146 |
IF (NOVLP.EQ.1) THEN |
zc0i(jl, jkl) = 1.0 - zclear(jl) |
147 |
c* maximum-random |
zscat(jl) = zss0(jl) |
148 |
ZCLEAR(JL) = ZCLEAR(JL) |
ELSE IF (novlp==2) THEN |
149 |
S *(1.0-MAX(ZSS0(JL),ZSCAT(JL))) |
! * maximum |
150 |
S /(1.0-MIN(ZSCAT(JL),1.-ZEPSEC)) |
zscat(jl) = max(zss0(jl), zscat(jl)) |
151 |
ZC0I(JL,JKL) = 1.0 - ZCLEAR(JL) |
zc0i(jl, jkl) = zscat(jl) |
152 |
ZSCAT(JL) = ZSS0(JL) |
ELSE IF (novlp==3) THEN |
153 |
ELSE IF (NOVLP.EQ.2) THEN |
! * random |
154 |
C* maximum |
zclear(jl) = zclear(jl)*(1.0-zss0(jl)) |
155 |
ZSCAT(JL) = MAX( ZSS0(JL) , ZSCAT(JL) ) |
zscat(jl) = 1.0 - zclear(jl) |
156 |
ZC0I(JL,JKL) = ZSCAT(JL) |
zc0i(jl, jkl) = zscat(jl) |
157 |
ELSE IF (NOVLP.EQ.3) THEN |
END IF |
158 |
c* random |
END DO |
159 |
ZCLEAR(JL)=ZCLEAR(JL)*(1.0-ZSS0(JL)) |
|
160 |
ZSCAT(JL) = 1.0 - ZCLEAR(JL) |
DO jk = 2, kflev |
161 |
ZC0I(JL,JKL) = ZSCAT(JL) |
jkl = kflev + 1 - jk |
162 |
END IF |
jklp1 = jkl + 1 |
163 |
204 CONTINUE |
DO jl = 1, kdlon |
164 |
205 CONTINUE |
zfacoa = 1. - ppizaz(jl, jkl)*pcgaz(jl, jkl)*pcgaz(jl, jkl) |
165 |
C |
zcorae = zfacoa*ptauaz(jl, jkl)*psec(jl) |
166 |
C ------------------------------------------------------------------ |
zr21(jl) = exp(-zcorae) |
167 |
C |
zss0(jl) = 1. - zr21(jl) |
168 |
C* 3. REFLECTIVITY/TRANSMISSIVITY FOR PURE SCATTERING |
zcle0(jl, jkl) = zss0(jl) |
169 |
C ----------------------------------------------- |
|
170 |
C |
IF (novlp==1) THEN |
171 |
300 CONTINUE |
! * maximum-random |
172 |
C |
zclear(jl) = zclear(jl)*(1.0-max(zss0(jl),zscat(jl)))/ & |
173 |
DO 301 JL = 1, KDLON |
(1.0-min(zscat(jl),1.-zepsec)) |
174 |
PRAY1(JL,KFLEV+1) = 0. |
zc0i(jl, jkl) = 1.0 - zclear(jl) |
175 |
PRAY2(JL,KFLEV+1) = 0. |
zscat(jl) = zss0(jl) |
176 |
PREFZ(JL,2,1) = PALBP(JL,KNU) |
ELSE IF (novlp==2) THEN |
177 |
PREFZ(JL,1,1) = PALBP(JL,KNU) |
! * maximum |
178 |
PTRA1(JL,KFLEV+1) = 1. |
zscat(jl) = max(zss0(jl), zscat(jl)) |
179 |
PTRA2(JL,KFLEV+1) = 1. |
zc0i(jl, jkl) = zscat(jl) |
180 |
301 CONTINUE |
ELSE IF (novlp==3) THEN |
181 |
C |
! * random |
182 |
DO 346 JK = 2 , KFLEV+1 |
zclear(jl) = zclear(jl)*(1.0-zss0(jl)) |
183 |
JKM1 = JK-1 |
zscat(jl) = 1.0 - zclear(jl) |
184 |
DO 342 JL = 1, KDLON |
zc0i(jl, jkl) = zscat(jl) |
|
C |
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C |
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C ------------------------------------------------------------------ |
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C |
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C* 3.1 EQUIVALENT ZENITH ANGLE |
|
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C ----------------------- |
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C |
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310 CONTINUE |
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C |
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ZMUE = (1.-ZC0I(JL,JK)) * PSEC(JL) |
|
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S + ZC0I(JL,JK) * 1.66 |
|
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PRMU0(JL,JK) = 1./ZMUE |
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C |
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C |
|
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C ------------------------------------------------------------------ |
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C |
|
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C* 3.2 REFLECT./TRANSMISSIVITY DUE TO RAYLEIGH AND AEROSOLS |
|
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C ---------------------------------------------------- |
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C |
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320 CONTINUE |
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C |
|
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ZGAP = PCGAZ(JL,JKM1) |
|
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ZBMU0 = 0.5 - 0.75 * ZGAP / ZMUE |
|
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ZWW = PPIZAZ(JL,JKM1) |
|
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ZTO = PTAUAZ(JL,JKM1) |
|
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ZDEN = 1. + (1. - ZWW + ZBMU0 * ZWW) * ZTO * ZMUE |
|
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S + (1-ZWW) * (1. - ZWW +2.*ZBMU0*ZWW)*ZTO*ZTO*ZMUE*ZMUE |
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PRAY1(JL,JKM1) = ZBMU0 * ZWW * ZTO * ZMUE / ZDEN |
|
|
PTRA1(JL,JKM1) = 1. / ZDEN |
|
|
C |
|
|
ZMU1 = 0.5 |
|
|
ZBMU1 = 0.5 - 0.75 * ZGAP * ZMU1 |
|
|
ZDEN1= 1. + (1. - ZWW + ZBMU1 * ZWW) * ZTO / ZMU1 |
|
|
S + (1-ZWW) * (1. - ZWW +2.*ZBMU1*ZWW)*ZTO*ZTO/ZMU1/ZMU1 |
|
|
PRAY2(JL,JKM1) = ZBMU1 * ZWW * ZTO / ZMU1 / ZDEN1 |
|
|
PTRA2(JL,JKM1) = 1. / ZDEN1 |
|
|
C |
|
|
C |
|
|
C |
|
|
PREFZ(JL,1,JK) = (PRAY1(JL,JKM1) |
|
|
S + PREFZ(JL,1,JKM1) * PTRA1(JL,JKM1) |
|
|
S * PTRA2(JL,JKM1) |
|
|
S / (1.-PRAY2(JL,JKM1)*PREFZ(JL,1,JKM1))) |
|
|
C |
|
|
ZTR(JL,1,JKM1) = (PTRA1(JL,JKM1) |
|
|
S / (1.-PRAY2(JL,JKM1)*PREFZ(JL,1,JKM1))) |
|
|
C |
|
|
PREFZ(JL,2,JK) = (PRAY1(JL,JKM1) |
|
|
S + PREFZ(JL,2,JKM1) * PTRA1(JL,JKM1) |
|
|
S * PTRA2(JL,JKM1) ) |
|
|
C |
|
|
ZTR(JL,2,JKM1) = PTRA1(JL,JKM1) |
|
|
C |
|
|
342 CONTINUE |
|
|
346 CONTINUE |
|
|
DO 347 JL = 1, KDLON |
|
|
ZMUE = (1.-ZC0I(JL,1))*PSEC(JL)+ZC0I(JL,1)*1.66 |
|
|
PRMU0(JL,1)=1./ZMUE |
|
|
347 CONTINUE |
|
|
C |
|
|
C |
|
|
C ------------------------------------------------------------------ |
|
|
C |
|
|
C* 3.5 REFLECT./TRANSMISSIVITY BETWEEN SURFACE AND LEVEL |
|
|
C ------------------------------------------------- |
|
|
C |
|
|
350 CONTINUE |
|
|
C |
|
|
IF (KNU.EQ.1) THEN |
|
|
JAJ = 2 |
|
|
DO 351 JL = 1, KDLON |
|
|
PRJ(JL,JAJ,KFLEV+1) = 1. |
|
|
PRK(JL,JAJ,KFLEV+1) = PREFZ(JL, 1,KFLEV+1) |
|
|
351 CONTINUE |
|
|
C |
|
|
DO 353 JK = 1 , KFLEV |
|
|
JKL = KFLEV+1 - JK |
|
|
JKLP1 = JKL + 1 |
|
|
DO 352 JL = 1, KDLON |
|
|
ZRE11= PRJ(JL,JAJ,JKLP1) * ZTR(JL, 1,JKL) |
|
|
PRJ(JL,JAJ,JKL) = ZRE11 |
|
|
PRK(JL,JAJ,JKL) = ZRE11 * PREFZ(JL, 1,JKL) |
|
|
352 CONTINUE |
|
|
353 CONTINUE |
|
|
354 CONTINUE |
|
|
C |
|
|
ELSE |
|
|
C |
|
|
DO 358 JAJ = 1 , 2 |
|
|
DO 355 JL = 1, KDLON |
|
|
PRJ(JL,JAJ,KFLEV+1) = 1. |
|
|
PRK(JL,JAJ,KFLEV+1) = PREFZ(JL,JAJ,KFLEV+1) |
|
|
355 CONTINUE |
|
|
C |
|
|
DO 357 JK = 1 , KFLEV |
|
|
JKL = KFLEV+1 - JK |
|
|
JKLP1 = JKL + 1 |
|
|
DO 356 JL = 1, KDLON |
|
|
ZRE11= PRJ(JL,JAJ,JKLP1) * ZTR(JL,JAJ,JKL) |
|
|
PRJ(JL,JAJ,JKL) = ZRE11 |
|
|
PRK(JL,JAJ,JKL) = ZRE11 * PREFZ(JL,JAJ,JKL) |
|
|
356 CONTINUE |
|
|
357 CONTINUE |
|
|
358 CONTINUE |
|
|
C |
|
185 |
END IF |
END IF |
186 |
C |
END DO |
187 |
C ------------------------------------------------------------------ |
END DO |
188 |
C |
|
189 |
RETURN |
! ------------------------------------------------------------------ |
190 |
END |
|
191 |
|
! * 3. REFLECTIVITY/TRANSMISSIVITY FOR PURE SCATTERING |
192 |
|
! ----------------------------------------------- |
193 |
|
|
194 |
|
|
195 |
|
DO jl = 1, kdlon |
196 |
|
pray1(jl, kflev+1) = 0. |
197 |
|
pray2(jl, kflev+1) = 0. |
198 |
|
prefz(jl, 2, 1) = palbp(jl, knu) |
199 |
|
prefz(jl, 1, 1) = palbp(jl, knu) |
200 |
|
ptra1(jl, kflev+1) = 1. |
201 |
|
ptra2(jl, kflev+1) = 1. |
202 |
|
END DO |
203 |
|
|
204 |
|
DO jk = 2, kflev + 1 |
205 |
|
jkm1 = jk - 1 |
206 |
|
DO jl = 1, kdlon |
207 |
|
|
208 |
|
|
209 |
|
! ------------------------------------------------------------------ |
210 |
|
|
211 |
|
! * 3.1 EQUIVALENT ZENITH ANGLE |
212 |
|
! ----------------------- |
213 |
|
|
214 |
|
|
215 |
|
zmue = (1.-zc0i(jl,jk))*psec(jl) + zc0i(jl, jk)*1.66 |
216 |
|
prmu0(jl, jk) = 1./zmue |
217 |
|
|
218 |
|
|
219 |
|
! ------------------------------------------------------------------ |
220 |
|
|
221 |
|
! * 3.2 REFLECT./TRANSMISSIVITY DUE TO RAYLEIGH AND AEROSOLS |
222 |
|
! ---------------------------------------------------- |
223 |
|
|
224 |
|
|
225 |
|
zgap = pcgaz(jl, jkm1) |
226 |
|
zbmu0 = 0.5 - 0.75*zgap/zmue |
227 |
|
zww = ppizaz(jl, jkm1) |
228 |
|
zto = ptauaz(jl, jkm1) |
229 |
|
zden = 1. + (1.-zww+zbmu0*zww)*zto*zmue + (1-zww)*(1.-zww+2.*zbmu0*zww) & |
230 |
|
*zto*zto*zmue*zmue |
231 |
|
pray1(jl, jkm1) = zbmu0*zww*zto*zmue/zden |
232 |
|
ptra1(jl, jkm1) = 1./zden |
233 |
|
|
234 |
|
zmu1 = 0.5 |
235 |
|
zbmu1 = 0.5 - 0.75*zgap*zmu1 |
236 |
|
zden1 = 1. + (1.-zww+zbmu1*zww)*zto/zmu1 + (1-zww)*(1.-zww+2.*zbmu1*zww & |
237 |
|
)*zto*zto/zmu1/zmu1 |
238 |
|
pray2(jl, jkm1) = zbmu1*zww*zto/zmu1/zden1 |
239 |
|
ptra2(jl, jkm1) = 1./zden1 |
240 |
|
|
241 |
|
|
242 |
|
|
243 |
|
prefz(jl, 1, jk) = (pray1(jl,jkm1)+prefz(jl,1,jkm1)*ptra1(jl,jkm1)* & |
244 |
|
ptra2(jl,jkm1)/(1.-pray2(jl,jkm1)*prefz(jl,1,jkm1))) |
245 |
|
|
246 |
|
ztr(jl, 1, jkm1) = (ptra1(jl,jkm1)/(1.-pray2(jl,jkm1)*prefz(jl,1, & |
247 |
|
jkm1))) |
248 |
|
|
249 |
|
prefz(jl, 2, jk) = (pray1(jl,jkm1)+prefz(jl,2,jkm1)*ptra1(jl,jkm1)* & |
250 |
|
ptra2(jl,jkm1)) |
251 |
|
|
252 |
|
ztr(jl, 2, jkm1) = ptra1(jl, jkm1) |
253 |
|
|
254 |
|
END DO |
255 |
|
END DO |
256 |
|
DO jl = 1, kdlon |
257 |
|
zmue = (1.-zc0i(jl,1))*psec(jl) + zc0i(jl, 1)*1.66 |
258 |
|
prmu0(jl, 1) = 1./zmue |
259 |
|
END DO |
260 |
|
|
261 |
|
|
262 |
|
! ------------------------------------------------------------------ |
263 |
|
|
264 |
|
! * 3.5 REFLECT./TRANSMISSIVITY BETWEEN SURFACE AND LEVEL |
265 |
|
! ------------------------------------------------- |
266 |
|
|
267 |
|
|
268 |
|
IF (knu==1) THEN |
269 |
|
jaj = 2 |
270 |
|
DO jl = 1, kdlon |
271 |
|
prj(jl, jaj, kflev+1) = 1. |
272 |
|
prk(jl, jaj, kflev+1) = prefz(jl, 1, kflev+1) |
273 |
|
END DO |
274 |
|
|
275 |
|
DO jk = 1, kflev |
276 |
|
jkl = kflev + 1 - jk |
277 |
|
jklp1 = jkl + 1 |
278 |
|
DO jl = 1, kdlon |
279 |
|
zre11 = prj(jl, jaj, jklp1)*ztr(jl, 1, jkl) |
280 |
|
prj(jl, jaj, jkl) = zre11 |
281 |
|
prk(jl, jaj, jkl) = zre11*prefz(jl, 1, jkl) |
282 |
|
END DO |
283 |
|
END DO |
284 |
|
|
285 |
|
ELSE |
286 |
|
|
287 |
|
DO jaj = 1, 2 |
288 |
|
DO jl = 1, kdlon |
289 |
|
prj(jl, jaj, kflev+1) = 1. |
290 |
|
prk(jl, jaj, kflev+1) = prefz(jl, jaj, kflev+1) |
291 |
|
END DO |
292 |
|
|
293 |
|
DO jk = 1, kflev |
294 |
|
jkl = kflev + 1 - jk |
295 |
|
jklp1 = jkl + 1 |
296 |
|
DO jl = 1, kdlon |
297 |
|
zre11 = prj(jl, jaj, jklp1)*ztr(jl, jaj, jkl) |
298 |
|
prj(jl, jaj, jkl) = zre11 |
299 |
|
prk(jl, jaj, jkl) = zre11*prefz(jl, jaj, jkl) |
300 |
|
END DO |
301 |
|
END DO |
302 |
|
END DO |
303 |
|
|
304 |
|
END IF |
305 |
|
|
306 |
|
! ------------------------------------------------------------------ |
307 |
|
|
308 |
|
RETURN |
309 |
|
END SUBROUTINE swclr |