source: LMDZ6/branches/LMDZ_ECRad/libf/phylmd/ecrad/ifsrrtm/srtm_taumol18.F90 @ 4999

Last change on this file since 4999 was 4728, checked in by idelkadi, 11 months ago

Update of ecrad in the LMDZ_ECRad branch of LMDZ:

  • version 1.6.1 of ecrad
  • files are no longer grouped in the same ecrad directory.
  • the structure of ecrad offline is preserved to facilitate updating in LMDZ
  • cfg.bld modified to take into account the new added subdirectories.
  • the interface routines and those added in ecrad are moved to the phylmd directory
File size: 7.3 KB
Line 
1SUBROUTINE SRTM_TAUMOL18 &
2 & ( KIDIA   , KFDIA    , 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    , PRMU0   &
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
14! Modifications
15!        M.Hamrud      01-Oct-2003 CY28 Cleaning
16
17!     JJMorcrette 2003-02-24 adapted to ECMWF environment
18!        D.Salmond  31-Oct-2007 Vector version in the style of RRTM from Meteo France & NEC
19!     JJMorcrette 20110610 Flexible configuration for number of g-points
20
21USE PARKIND1 , ONLY : JPIM, JPRB
22USE YOMHOOK  , ONLY : LHOOK, DR_HOOK, JPHOOK
23USE PARSRTM  , ONLY : JPG
24USE YOESRTM  , ONLY : NG18
25USE YOESRTA18, ONLY : ABSA, ABSB, FORREFC, SELFREFC, SFLUXREFC, RAYL, LAYREFFR, STRRAT 
26USE YOESRTWN , ONLY : NSPA, NSPB
27
28IMPLICIT NONE
29
30!-- Output
31INTEGER(KIND=JPIM),INTENT(IN)    :: KIDIA, KFDIA
32INTEGER(KIND=JPIM),INTENT(IN)    :: KLEV
33REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC00(KIDIA:KFDIA,KLEV)
34REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC01(KIDIA:KFDIA,KLEV)
35REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC10(KIDIA:KFDIA,KLEV)
36REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC11(KIDIA:KFDIA,KLEV)
37INTEGER(KIND=JPIM),INTENT(IN)    :: K_JP(KIDIA:KFDIA,KLEV)
38INTEGER(KIND=JPIM),INTENT(IN)    :: K_JT(KIDIA:KFDIA,KLEV)
39INTEGER(KIND=JPIM),INTENT(IN)    :: K_JT1(KIDIA:KFDIA,KLEV)
40REAL(KIND=JPRB)   ,INTENT(IN)    :: P_ONEMINUS(KIDIA:KFDIA)
41REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLH2O(KIDIA:KFDIA,KLEV)
42REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLCH4(KIDIA:KFDIA,KLEV)
43REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLMOL(KIDIA:KFDIA,KLEV)
44INTEGER(KIND=JPIM),INTENT(IN)    :: K_LAYTROP(KIDIA:KFDIA)
45REAL(KIND=JPRB)   ,INTENT(IN)    :: P_SELFFAC(KIDIA:KFDIA,KLEV)
46REAL(KIND=JPRB)   ,INTENT(IN)    :: P_SELFFRAC(KIDIA:KFDIA,KLEV)
47INTEGER(KIND=JPIM),INTENT(IN)    :: K_INDSELF(KIDIA:KFDIA,KLEV)
48REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FORFAC(KIDIA:KFDIA,KLEV)
49REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FORFRAC(KIDIA:KFDIA,KLEV)
50INTEGER(KIND=JPIM),INTENT(IN)    :: K_INDFOR(KIDIA:KFDIA,KLEV)
51
52REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_SFLUXZEN(KIDIA:KFDIA,JPG)
53REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_TAUG(KIDIA:KFDIA,KLEV,JPG)
54REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_TAUR(KIDIA:KFDIA,KLEV,JPG)
55REAL(KIND=JPRB)   ,INTENT(IN)    :: PRMU0(KIDIA:KFDIA)
56!- from INTFAC     
57!- from INTIND
58!- from PRECISE             
59!- from PROFDATA             
60!- from SELF             
61INTEGER(KIND=JPIM) :: IG, IND0, IND1, INDS, INDF, JS, I_LAY, I_LAYSOLFR(KIDIA:KFDIA), I_NLAYERS, IPLON
62
63INTEGER(KIND=JPIM) :: I_LAY_NEXT
64
65REAL(KIND=JPRB) :: Z_FAC000, Z_FAC001, Z_FAC010, Z_FAC011, Z_FAC100, Z_FAC101,&
66 & Z_FAC110, Z_FAC111, Z_FS, Z_SPECCOMB, Z_SPECMULT, Z_SPECPARM, &
67 & Z_TAURAY 
68REAL(KIND=JPHOOK) :: ZHOOK_HANDLE
69
70IF (LHOOK) CALL DR_HOOK('SRTM_TAUMOL18',0,ZHOOK_HANDLE)
71I_NLAYERS = KLEV
72
73!     Compute the optical depth by interpolating in ln(pressure),
74!     temperature, and appropriate species.  Below LAYTROP, the water
75!     vapor self-continuum is interpolated (in temperature) separately. 
76
77I_LAYSOLFR(KIDIA:KFDIA) = K_LAYTROP(KIDIA:KFDIA)
78
79DO I_LAY = 1, I_NLAYERS
80  I_LAY_NEXT = MIN(I_NLAYERS, I_LAY+1)
81  DO IPLON = KIDIA, KFDIA
82    IF (PRMU0(IPLON) > 0.0_JPRB) THEN
83      IF (I_LAY <= K_LAYTROP(IPLON)) THEN
84        IF (K_JP(IPLON,I_LAY) < LAYREFFR .AND. K_JP(IPLON,I_LAY_NEXT) >= LAYREFFR) &
85         & I_LAYSOLFR(IPLON) = MIN(I_LAY+1,K_LAYTROP(IPLON)) 
86        Z_SPECCOMB = P_COLH2O(IPLON,I_LAY) + STRRAT*P_COLCH4(IPLON,I_LAY)
87        Z_SPECPARM = P_COLH2O(IPLON,I_LAY)/Z_SPECCOMB
88        IF (Z_SPECPARM >= P_ONEMINUS(IPLON)) Z_SPECPARM = P_ONEMINUS(IPLON)
89        Z_SPECMULT = 8.*(Z_SPECPARM)
90        JS = 1 + INT(Z_SPECMULT)
91        Z_FS = MOD(Z_SPECMULT, 1.0_JPRB )
92        ! Z_FAC000 = (1. - Z_FS) * P_FAC00(I_LAY)
93        ! Z_FAC010 = (1. - Z_FS) * P_FAC10(I_LAY)
94        ! Z_FAC100 = Z_FS * P_FAC00(I_LAY)
95        ! Z_FAC110 = Z_FS * P_FAC10(I_LAY)
96        ! Z_FAC001 = (1. - Z_FS) * P_FAC01(I_LAY)
97        ! Z_FAC011 = (1. - Z_FS) * P_FAC11(I_LAY)
98        ! Z_FAC101 = Z_FS * P_FAC01(I_LAY)
99        ! Z_FAC111 = Z_FS * P_FAC11(I_LAY)
100        IND0 = ((K_JP(IPLON,I_LAY)-1)*5+(K_JT(IPLON,I_LAY)-1))*NSPA(18) + JS
101        IND1 = (K_JP(IPLON,I_LAY)*5+(K_JT1(IPLON,I_LAY)-1))*NSPA(18) + JS
102        INDS = K_INDSELF(IPLON,I_LAY)
103        INDF = K_INDFOR(IPLON,I_LAY)
104        Z_TAURAY = P_COLMOL(IPLON,I_LAY) * RAYL
105
106        !  DO IG = 1, NG(18)
107!CDIR UNROLL=NG18
108        DO IG = 1, NG18
109          P_TAUG(IPLON,I_LAY,IG) = Z_SPECCOMB * &
110           !    & (Z_FAC000 * ABSA(IND0,IG) + &
111           !    & Z_FAC100 * ABSA(IND0+1,IG) + &
112           !    & Z_FAC010 * ABSA(IND0+9,IG) + &
113           !    & Z_FAC110 * ABSA(IND0+10,IG) + &
114           !    & Z_FAC001 * ABSA(IND1,IG) + &
115           !    & Z_FAC101 * ABSA(IND1+1,IG) + &
116           !    & Z_FAC011 * ABSA(IND1+9,IG) + &
117           !    & Z_FAC111 * ABSA(IND1+10,IG)) + &
118           & (&
119           & (1. - Z_FS) * ( ABSA(IND0,IG) * P_FAC00(IPLON,I_LAY) + &
120           &                 ABSA(IND0+9,IG) * P_FAC10(IPLON,I_LAY) + &
121           &                 ABSA(IND1,IG) * P_FAC01(IPLON,I_LAY) + &
122           &                 ABSA(IND1+9,IG) * P_FAC11(IPLON,I_LAY) ) + &
123           & Z_FS        * ( ABSA(IND0+1,IG) * P_FAC00(IPLON,I_LAY) + &
124           &                 ABSA(IND0+10,IG) * P_FAC10(IPLON,I_LAY) + &
125           &                 ABSA(IND1+1,IG) * P_FAC01(IPLON,I_LAY) + &
126           &                 ABSA(IND1+10,IG) * P_FAC11(IPLON,I_LAY) ) &
127           & ) + &
128           & P_COLH2O(IPLON,I_LAY) * &
129           & (P_SELFFAC(IPLON,I_LAY) * (SELFREFC(INDS,IG) + &
130           & P_SELFFRAC(IPLON,I_LAY) * &
131           & (SELFREFC(INDS+1,IG) - SELFREFC(INDS,IG))) + &
132           & P_FORFAC(IPLON,I_LAY) * (FORREFC(INDF,IG) + &
133           & P_FORFRAC(IPLON,I_LAY) * &
134           & (FORREFC(INDF+1,IG) - FORREFC(INDF,IG))))   
135          !     &           + TAURAY
136          !    SSA(LAY,IG) = TAURAY/TAUG(LAY,IG)
137          IF (I_LAY == I_LAYSOLFR(IPLON)) P_SFLUXZEN(IPLON,IG) = SFLUXREFC(IG,JS)  &
138           & + Z_FS * (SFLUXREFC(IG,JS+1) - SFLUXREFC(IG,JS)) 
139          P_TAUR(IPLON,I_LAY,IG) = Z_TAURAY
140        ENDDO
141      ENDIF
142    ENDIF
143  ENDDO
144ENDDO
145
146DO I_LAY = 1, I_NLAYERS
147  DO IPLON = KIDIA, KFDIA
148    IF (PRMU0(IPLON) > 0.0_JPRB) THEN
149      IF (I_LAY >= K_LAYTROP(IPLON)+1) THEN
150        IND0 = ((K_JP(IPLON,I_LAY)-13)*5+(K_JT(IPLON,I_LAY)-1))*NSPB(18) + 1
151        IND1 = ((K_JP(IPLON,I_LAY)-12)*5+(K_JT1(IPLON,I_LAY)-1))*NSPB(18) + 1
152        Z_TAURAY = P_COLMOL(IPLON,I_LAY) * RAYL
153
154        !  DO IG = 1, NG(18)
155!CDIR UNROLL=NG18
156        DO IG = 1, NG18
157          P_TAUG(IPLON,I_LAY,IG) = P_COLCH4(IPLON,I_LAY) * &
158           & (P_FAC00(IPLON,I_LAY) * ABSB(IND0,IG) + &
159           & P_FAC10(IPLON,I_LAY) * ABSB(IND0+1,IG) + &
160           & P_FAC01(IPLON,I_LAY) * ABSB(IND1,IG) +       &
161           & P_FAC11(IPLON,I_LAY) * ABSB(IND1+1,IG))   
162          !     &           + TAURAY
163          !    SSA(LAY,IG) = TAURAY/TAUG(LAY,IG)
164          P_TAUR(IPLON,I_LAY,IG) = Z_TAURAY
165        ENDDO
166      ENDIF
167    ENDIF
168  ENDDO
169ENDDO
170
171!-----------------------------------------------------------------------
172IF (LHOOK) CALL DR_HOOK('SRTM_TAUMOL18',1,ZHOOK_HANDLE)
173
174END SUBROUTINE SRTM_TAUMOL18
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