source: LMDZ6/trunk/libf/phylmdiso/rrtm/srtm_taumol18.F90 @ 3927

Last change on this file since 3927 was 3927, checked in by Laurent Fairhead, 3 years ago

Initial import of the physics wih isotopes from Camille Risi
CR
File size: 5.5 KB
Line 
1SUBROUTINE SRTM_TAUMOL18 &
2 & ( KLEV,&
3 & P_FAC00   , P_FAC01  , P_FAC10   , P_FAC11,&
4 & K_JP      , K_JT     , K_JT1     , P_ONEMINUS,&
5 & P_COLH2O  , P_COLCH4 , P_COLMOL,&
6 & K_LAYTROP , P_SELFFAC, P_SELFFRAC, K_INDSELF  , P_FORFAC, P_FORFRAC, K_INDFOR,&
7 & P_SFLUXZEN, P_TAUG   , P_TAUR    &
8 & ) 
9
10!     Written by Eli J. Mlawer, Atmospheric & Environmental Research.
11
12!     BAND 18:  4000-4650 cm-1 (low - H2O,CH4; high - CH4)
13
14USE PARKIND1  ,ONLY : JPIM     ,JPRB
15USE YOMHOOK   ,ONLY : LHOOK,   DR_HOOK
16
17USE PARSRTM  , ONLY : JPLAY, JPG, NG18
18USE YOESRTA18, ONLY : ABSA, ABSB, FORREFC, SELFREFC &
19 & , SFLUXREFC, RAYL &
20 & , LAYREFFR, STRRAT 
21USE YOESRTWN , ONLY : NSPA, NSPB
22
23IMPLICIT NONE
24
25!-- Output
26INTEGER(KIND=JPIM),INTENT(IN)    :: KLEV
27REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC00(JPLAY)
28REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC01(JPLAY)
29REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC10(JPLAY)
30REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC11(JPLAY)
31INTEGER(KIND=JPIM),INTENT(IN)    :: K_JP(JPLAY)
32INTEGER(KIND=JPIM),INTENT(IN)    :: K_JT(JPLAY)
33INTEGER(KIND=JPIM),INTENT(IN)    :: K_JT1(JPLAY)
34REAL(KIND=JPRB)   ,INTENT(IN)    :: P_ONEMINUS
35REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLH2O(JPLAY)
36REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLCH4(JPLAY)
37REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLMOL(JPLAY)
38INTEGER(KIND=JPIM),INTENT(IN)    :: K_LAYTROP
39REAL(KIND=JPRB)   ,INTENT(IN)    :: P_SELFFAC(JPLAY)
40REAL(KIND=JPRB)   ,INTENT(IN)    :: P_SELFFRAC(JPLAY)
41INTEGER(KIND=JPIM),INTENT(IN)    :: K_INDSELF(JPLAY)
42REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FORFAC(JPLAY)
43REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FORFRAC(JPLAY)
44INTEGER(KIND=JPIM),INTENT(IN)    :: K_INDFOR(JPLAY)
45 
46REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_SFLUXZEN(JPG)
47REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_TAUG(JPLAY,JPG)
48REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_TAUR(JPLAY,JPG)
49!- from INTFAC     
50!- from INTIND
51!- from PRECISE             
52!- from PROFDATA             
53!- from SELF             
54INTEGER(KIND=JPIM) :: IG, IND0, IND1, INDS, INDF, JS, I_LAY, I_LAYSOLFR, I_NLAYERS
55
56REAL(KIND=JPRB) :: Z_FAC000, Z_FAC001, Z_FAC010, Z_FAC011, Z_FAC100, Z_FAC101,&
57 & Z_FAC110, Z_FAC111, Z_FS, Z_SPECCOMB, Z_SPECMULT, Z_SPECPARM, &
58 & Z_TAURAY 
59REAL(KIND=JPRB) :: ZHOOK_HANDLE
60
61IF (LHOOK) CALL DR_HOOK('SRTM_TAUMOL18',0,ZHOOK_HANDLE)
62I_NLAYERS = KLEV
63
64!     Compute the optical depth by interpolating in ln(pressure),
65!     temperature, and appropriate species.  Below LAYTROP, the water
66!     vapor self-continuum is interpolated (in temperature) separately. 
67
68I_LAYSOLFR = K_LAYTROP
69     
70DO I_LAY = 1, K_LAYTROP
71  IF (K_JP(I_LAY) < LAYREFFR .AND. K_JP(I_LAY+1) >= LAYREFFR) &
72   & I_LAYSOLFR = MIN(I_LAY+1,K_LAYTROP) 
73  Z_SPECCOMB = P_COLH2O(I_LAY) + STRRAT*P_COLCH4(I_LAY)
74  Z_SPECPARM = P_COLH2O(I_LAY)/Z_SPECCOMB
75  IF (Z_SPECPARM >= P_ONEMINUS) Z_SPECPARM = P_ONEMINUS
76  Z_SPECMULT = 8.*(Z_SPECPARM)
77  JS = 1 + INT(Z_SPECMULT)
78  Z_FS = MOD(Z_SPECMULT, 1.0_JPRB )
79! Z_FAC000 = (1. - Z_FS) * P_FAC00(I_LAY)
80! Z_FAC010 = (1. - Z_FS) * P_FAC10(I_LAY)
81! Z_FAC100 = Z_FS * P_FAC00(I_LAY)
82! Z_FAC110 = Z_FS * P_FAC10(I_LAY)
83! Z_FAC001 = (1. - Z_FS) * P_FAC01(I_LAY)
84! Z_FAC011 = (1. - Z_FS) * P_FAC11(I_LAY)
85! Z_FAC101 = Z_FS * P_FAC01(I_LAY)
86! Z_FAC111 = Z_FS * P_FAC11(I_LAY)
87  IND0 = ((K_JP(I_LAY)-1)*5+(K_JT(I_LAY)-1))*NSPA(18) + JS
88  IND1 = (K_JP(I_LAY)*5+(K_JT1(I_LAY)-1))*NSPA(18) + JS
89  INDS = K_INDSELF(I_LAY)
90  INDF = K_INDFOR(I_LAY)
91  Z_TAURAY = P_COLMOL(I_LAY) * RAYL
92
93!  DO IG = 1, NG(18)
94  DO IG = 1, NG18
95    P_TAUG(I_LAY,IG) = Z_SPECCOMB * &
96!    & (Z_FAC000 * ABSA(IND0,IG) + &
97!    & Z_FAC100 * ABSA(IND0+1,IG) + &
98!    & Z_FAC010 * ABSA(IND0+9,IG) + &
99!    & Z_FAC110 * ABSA(IND0+10,IG) + &
100!    & Z_FAC001 * ABSA(IND1,IG) + &
101!    & Z_FAC101 * ABSA(IND1+1,IG) + &
102!    & Z_FAC011 * ABSA(IND1+9,IG) + &
103!    & Z_FAC111 * ABSA(IND1+10,IG)) + &
104     & (&
105     & (1. - Z_FS) * ( ABSA(IND0,IG) * P_FAC00(I_LAY) + &
106     &                 ABSA(IND0+9,IG) * P_FAC10(I_LAY) + &
107     &                 ABSA(IND1,IG) * P_FAC01(I_LAY) + &
108     &                 ABSA(IND1+9,IG) * P_FAC11(I_LAY) ) + &
109     & Z_FS        * ( ABSA(IND0+1,IG) * P_FAC00(I_LAY) + &
110     &                 ABSA(IND0+10,IG) * P_FAC10(I_LAY) + &
111     &                 ABSA(IND1+1,IG) * P_FAC01(I_LAY) + &
112     &                 ABSA(IND1+10,IG) * P_FAC11(I_LAY) ) &
113     & ) + &
114     & P_COLH2O(I_LAY) * &
115     & (P_SELFFAC(I_LAY) * (SELFREFC(INDS,IG) + &
116     & P_SELFFRAC(I_LAY) * &
117     & (SELFREFC(INDS+1,IG) - SELFREFC(INDS,IG))) + &
118     & P_FORFAC(I_LAY) * (FORREFC(INDF,IG) + &
119     & P_FORFRAC(I_LAY) * &
120     & (FORREFC(INDF+1,IG) - FORREFC(INDF,IG))))   
121!     &           + TAURAY
122!    SSA(LAY,IG) = TAURAY/TAUG(LAY,IG)
123    IF (I_LAY == I_LAYSOLFR) P_SFLUXZEN(IG) = SFLUXREFC(IG,JS)  &
124     & + Z_FS * (SFLUXREFC(IG,JS+1) - SFLUXREFC(IG,JS)) 
125    P_TAUR(I_LAY,IG) = Z_TAURAY
126  ENDDO
127ENDDO
128
129DO I_LAY = K_LAYTROP+1, I_NLAYERS
130  IND0 = ((K_JP(I_LAY)-13)*5+(K_JT(I_LAY)-1))*NSPB(18) + 1
131  IND1 = ((K_JP(I_LAY)-12)*5+(K_JT1(I_LAY)-1))*NSPB(18) + 1
132  Z_TAURAY = P_COLMOL(I_LAY) * RAYL
133
134!  DO IG = 1, NG(18)
135  DO IG = 1, NG18
136    P_TAUG(I_LAY,IG) = P_COLCH4(I_LAY) * &
137     & (P_FAC00(I_LAY) * ABSB(IND0,IG) + &
138     & P_FAC10(I_LAY) * ABSB(IND0+1,IG) + &
139     & P_FAC01(I_LAY) * ABSB(IND1,IG) +       &
140     & P_FAC11(I_LAY) * ABSB(IND1+1,IG))   
141!     &           + TAURAY
142!    SSA(LAY,IG) = TAURAY/TAUG(LAY,IG)
143    P_TAUR(I_LAY,IG) = Z_TAURAY
144  ENDDO
145ENDDO
146
147!-----------------------------------------------------------------------
148IF (LHOOK) CALL DR_HOOK('SRTM_TAUMOL18',1,ZHOOK_HANDLE)
149END SUBROUTINE SRTM_TAUMOL18
150
Note: See TracBrowser for help on using the repository browser.