| 1 | SUBROUTINE SWCLR & |
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| 2 | & ( KIDIA , KFDIA , KLON , KLEV , KAER , KNU,& |
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| 3 | & PAER , PALBP , PDSIG , PRAYL , PSEC,& |
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| 4 | & PCGAZ , PPIZAZ, PRAY1 , PRAY2 , PREFZ , PRJ,& |
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| 5 | & PRK , PRMU0 , PTAUAZ, PTRA1 , PTRA2 , PTRCLR, & |
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| 6 | !++MODIFCODE |
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| 7 | & LDDUST,PPIZA_DST, PCGA_DST, PTAU_DST ) |
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| 8 | !--MODIFCODE |
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| 9 | |
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| 10 | !**** *SWCLR* - CLEAR-SKY COLUMN COMPUTATIONS |
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| 11 | |
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| 12 | ! PURPOSE. |
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| 13 | ! -------- |
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| 14 | ! COMPUTES THE REFLECTIVITY AND TRANSMISSIVITY IN CASE OF |
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| 15 | ! CLEAR-SKY COLUMN |
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| 16 | |
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| 17 | !** INTERFACE. |
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| 18 | ! ---------- |
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| 19 | |
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| 20 | ! *SWCLR* IS CALLED EITHER FROM *SW1S* |
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| 21 | ! OR FROM *SWNI* |
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| 22 | |
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| 23 | ! IMPLICIT ARGUMENTS : |
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| 24 | ! -------------------- |
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| 25 | |
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| 26 | ! ==== INPUTS === |
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| 27 | ! ==== OUTPUTS === |
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| 28 | |
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| 29 | ! METHOD. |
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| 30 | ! ------- |
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| 31 | |
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| 32 | ! EXTERNALS. |
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| 33 | ! ---------- |
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| 34 | |
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| 35 | ! NONE |
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| 36 | |
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| 37 | ! REFERENCE. |
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| 38 | ! ---------- |
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| 39 | |
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| 40 | ! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT |
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| 41 | ! DOCUMENTATION, AND FOUQUART AND BONNEL (1980) |
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| 42 | |
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| 43 | ! AUTHOR. |
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| 44 | ! ------- |
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| 45 | ! JEAN-JACQUES MORCRETTE *ECMWF* |
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| 46 | |
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| 47 | ! MODIFICATIONS. |
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| 48 | ! -------------- |
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| 49 | ! ORIGINAL : 94-11-15 |
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| 50 | ! Modified : 96-03-19 JJM-PhD (loop 107 in absence of aerosols) |
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| 51 | ! JJMorcrette 990128 : sunshine duration |
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| 52 | ! JJMorcrette 990128 : sunshine duration |
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| 53 | ! 99-05-25 JJMorcrette Revised aerosols |
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| 54 | ! JJMorcrette 001218 : 6 spectral intervals |
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| 55 | ! 03-10-10 Deborah Salmond and Marta Janiskova Optimisation |
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| 56 | ! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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| 57 | ! A.Grini (Meteo-France: 2005-11-10) |
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| 58 | ! Y.Seity 05-10-10 : add add 3 optional arg. for dust SW properties |
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| 59 | ! Y.Seity 06-09-09 : add modset from O.Thouron (MesoNH) under NOVLP tests |
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| 60 | ! O.Boucher fev.2014: modification sur les aerosols pour utiliser les variables DST |
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| 61 | ! ------------------------------------------------------------------ |
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| 62 | |
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| 63 | USE PARKIND1 ,ONLY : JPIM ,JPRB |
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| 64 | USE YOMHOOK ,ONLY : LHOOK, DR_HOOK |
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| 65 | |
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| 66 | USE YOESW , ONLY : RTAUA ,RPIZA ,RCGA |
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| 67 | !USE YOERAD , ONLY : NOVLP ,NSW |
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| 68 | ! NSW mis dans .def MPL 20140211 |
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| 69 | USE YOERAD , ONLY : NOVLP |
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| 70 | USE YOERDI , ONLY : REPCLC |
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| 71 | USE YOERDU , ONLY : REPSCT |
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| 72 | |
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| 73 | IMPLICIT NONE |
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| 74 | INCLUDE "clesphys.h" |
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| 75 | |
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| 76 | INTEGER(KIND=JPIM),INTENT(IN) :: KLON |
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| 77 | INTEGER(KIND=JPIM),INTENT(IN) :: KLEV |
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| 78 | INTEGER(KIND=JPIM),INTENT(IN) :: KIDIA |
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| 79 | INTEGER(KIND=JPIM),INTENT(IN) :: KFDIA |
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| 80 | INTEGER(KIND=JPIM),INTENT(IN) :: KAER |
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| 81 | INTEGER(KIND=JPIM),INTENT(IN) :: KNU |
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| 82 | REAL(KIND=JPRB) ,INTENT(IN) :: PAER(KLON,6,KLEV) |
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| 83 | REAL(KIND=JPRB) ,INTENT(IN) :: PALBP(KLON,NSW) |
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| 84 | REAL(KIND=JPRB) ,INTENT(IN) :: PDSIG(KLON,KLEV) |
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| 85 | REAL(KIND=JPRB) ,INTENT(IN) :: PRAYL(KLON) |
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| 86 | REAL(KIND=JPRB) ,INTENT(IN) :: PSEC(KLON) |
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| 87 | !++MODIFCODE |
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| 88 | LOGICAL ,INTENT(IN) :: LDDUST ! flag for DUST |
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| 89 | REAL(KIND=JPRB) ,INTENT(IN) :: PPIZA_DST(KLON,KLEV) |
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| 90 | REAL(KIND=JPRB) ,INTENT(IN) :: PCGA_DST(KLON,KLEV) |
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| 91 | REAL(KIND=JPRB) ,INTENT(IN) :: PTAU_DST(KLON,KLEV) |
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| 92 | !--MODIFCODE |
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| 93 | REAL(KIND=JPRB) ,INTENT(OUT) :: PCGAZ(KLON,KLEV) |
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| 94 | REAL(KIND=JPRB) ,INTENT(OUT) :: PPIZAZ(KLON,KLEV) |
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| 95 | REAL(KIND=JPRB) ,INTENT(OUT) :: PRAY1(KLON,KLEV+1) |
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| 96 | REAL(KIND=JPRB) ,INTENT(OUT) :: PRAY2(KLON,KLEV+1) |
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| 97 | REAL(KIND=JPRB) ,INTENT(OUT) :: PREFZ(KLON,2,KLEV+1) |
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| 98 | REAL(KIND=JPRB) ,INTENT(OUT) :: PRJ(KLON,6,KLEV+1) |
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| 99 | REAL(KIND=JPRB) ,INTENT(OUT) :: PRK(KLON,6,KLEV+1) |
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| 100 | REAL(KIND=JPRB) ,INTENT(OUT) :: PRMU0(KLON,KLEV+1) |
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| 101 | REAL(KIND=JPRB) ,INTENT(OUT) :: PTAUAZ(KLON,KLEV) |
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| 102 | REAL(KIND=JPRB) ,INTENT(OUT) :: PTRA1(KLON,KLEV+1) |
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| 103 | REAL(KIND=JPRB) ,INTENT(OUT) :: PTRA2(KLON,KLEV+1) |
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| 104 | REAL(KIND=JPRB) ,INTENT(OUT) :: PTRCLR(KLON) |
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| 105 | ! ------------------------------------------------------------------ |
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| 106 | |
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| 107 | !* 0.1 ARGUMENTS |
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| 108 | ! --------- |
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| 109 | |
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| 110 | ! ------------------------------------------------------------------ |
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| 111 | |
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| 112 | ! ------------ |
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| 113 | |
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| 114 | REAL(KIND=JPRB) :: ZC0I(KLON,KLEV+1)& |
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| 115 | & , ZCLE0(KLON,KLEV), ZCLEAR(KLON) & |
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| 116 | & , ZR21(KLON)& |
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| 117 | & , ZR23(KLON) , ZSS0(KLON) , ZSCAT(KLON)& |
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| 118 | & , ZTR(KLON,2,KLEV+1) |
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| 119 | |
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| 120 | INTEGER(KIND=JPIM) :: IKL, JA, JAE, JAJ, JK, JKL, JKLP1, JKM1, JL, INU1 |
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| 121 | |
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| 122 | REAL(KIND=JPRB) :: ZBMU0, ZBMU1, ZCORAE, ZDEN, ZDEN1, ZFACOA,& |
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| 123 | & ZFF, ZGAP, ZGAR, ZMU1, ZMUE, ZRATIO, ZRE11, & |
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| 124 | & ZTO, ZTRAY, ZWW, ZDENB |
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| 125 | REAL(KIND=JPRB) :: ZRR,ZMU0,ZI2MU1,ZIMU1,ZIDEN,ZIDEN1 |
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| 126 | REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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| 127 | !++MODIFCODE |
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| 128 | REAL(KIND=JPRB) ::ZFACOA_NEW(KLON,KLEV) |
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| 129 | !--MODIFCODE |
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| 130 | |
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| 131 | |
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| 132 | ! ------------------------------------------------------------------ |
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| 133 | |
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| 134 | !* 1. OPTICAL PARAMETERS FOR AEROSOLS AND RAYLEIGH |
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| 135 | ! -------------------------------------------- |
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| 136 | |
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| 137 | IF (LHOOK) CALL DR_HOOK('SWCLR',0,ZHOOK_HANDLE) |
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| 138 | DO JK = 1 , KLEV+1 |
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| 139 | DO JA = 1 , 6 |
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| 140 | DO JL = KIDIA,KFDIA |
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| 141 | PRJ(JL,JA,JK) = 0.0_JPRB |
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| 142 | PRK(JL,JA,JK) = 0.0_JPRB |
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| 143 | ENDDO |
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| 144 | ENDDO |
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| 145 | ENDDO |
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| 146 | |
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| 147 | ! ------ NB: 'PAER' AEROSOLS ARE ENTERED FROM TOP TO BOTTOM |
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| 148 | |
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| 149 | DO JK = 1 , KLEV |
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| 150 | IKL=KLEV+1-JK |
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| 151 | DO JL = KIDIA,KFDIA |
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| 152 | PCGAZ(JL,JK) = 0.0_JPRB |
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| 153 | PPIZAZ(JL,JK) = 0.0_JPRB |
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| 154 | PTAUAZ(JL,JK) = 0.0_JPRB |
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| 155 | ZFACOA_NEW(JL,JK) = 0.0_JPRB |
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| 156 | ENDDO |
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| 157 | |
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| 158 | !++MODIFCODE |
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| 159 | !--OB on fait passer les aerosols LMDZ dans la variable DST |
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| 160 | IF(NOVLP < 5)THEN !ECMWF VERSION |
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| 161 | ! DO JAE=1,6 |
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| 162 | DO JL = KIDIA,KFDIA |
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| 163 | ! PTAUAZ(JL,JK)=PTAUAZ(JL,JK)+PAER(JL,JAE,IKL)*RTAUA(KNU,JAE) |
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| 164 | PTAUAZ(JL,JK)=PTAU_DST(JL,IKL) |
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| 165 | ! PPIZAZ(JL,JK)=PPIZAZ(JL,JK)+PAER(JL,JAE,IKL)& |
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| 166 | ! & * RTAUA(KNU,JAE)*RPIZA(KNU,JAE) |
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| 167 | PPIZAZ(JL,JK)=PTAU_DST(JL,IKL)*PPIZA_DST(JL,IKL) |
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| 168 | ! PCGAZ(JL,JK) = PCGAZ(JL,JK) +PAER(JL,JAE,IKL)& |
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| 169 | ! & * RTAUA(KNU,JAE)*RPIZA(KNU,JAE)*RCGA(KNU,JAE) |
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| 170 | PCGAZ(JL,JK)=PTAU_DST(JL,IKL)*PPIZA_DST(JL,IKL)*PCGA_DST(JL,IKL) |
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| 171 | ENDDO |
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| 172 | ! ENDDO |
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| 173 | ELSE ! MESONH VERSION |
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| 174 | !--OB on utilise directement les aerosols LMDZ |
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| 175 | ! DO JAE=1,6 |
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| 176 | DO JL = KIDIA,KFDIA |
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| 177 | !Special optical properties for dust |
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| 178 | ! IF (LDDUST.AND.(JAE==3)) THEN |
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| 179 | !Ponderation of aerosol optical properties:first step |
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| 180 | !ti |
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| 181 | ! PTAUAZ(JL,JK)=PTAUAZ(JL,JK) + PAER(JL,JAE,IKL) * PTAUREL_DST(JL,IKL) |
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| 182 | PTAUAZ(JL,JK)= PTAU_DST(JL,IKL) |
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| 183 | !wi*ti |
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| 184 | ! PPIZAZ(JL,JK)=PPIZAZ(JL,JK) + PAER(JL,JAE,IKL) & |
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| 185 | ! & *PTAUREL_DST(JL,IKL)*PPIZA_DST(JL,IKL) |
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| 186 | PPIZAZ(JL,JK)=PTAU_DST(JL,IKL)*PPIZA_DST(JL,IKL) |
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| 187 | !wi*ti*gi |
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| 188 | ! PCGAZ(JL,JK) = PCGAZ(JL,JK) + PAER(JL,JAE,IKL) & |
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| 189 | ! & *PTAUREL_DST(JL,IKL)*PPIZA_DST(JL,IKL)*PCGA_DST(JL,IKL) |
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| 190 | PCGAZ(JL,JK) = PTAU_DST(JL,IKL)*PPIZA_DST(JL,IKL)*PCGA_DST(JL,IKL) |
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| 191 | !wi*ti*(gi**2) |
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| 192 | ! ZFACOA_NEW(JL,JK)= ZFACOA_NEW(JL,JK)+PAER(JL, JAE, IKL)& |
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| 193 | ! & *PTAUREL_DST(JL,IKL) *PPIZA_DST(JL,IKL)*PCGA_DST(JL,IKL)*& |
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| 194 | ! & PCGA_DST(JL,IKL) |
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| 195 | ZFACOA_NEW(JL,JK)= ZFACOA_NEW(JL,JK)+& |
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| 196 | & PTAU_DST(JL,IKL) *PPIZA_DST(JL,IKL)*PCGA_DST(JL,IKL)*& |
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| 197 | & PCGA_DST(JL,IKL) |
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| 198 | ! ELSE |
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| 199 | !Ponderation of aerosol optical properties:first step |
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| 200 | !ti |
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| 201 | ! PTAUAZ(JL,JK)=PTAUAZ(JL,JK)+PAER(JL, JAE, IKL)*RTAUA(KNU,JAE) |
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| 202 | !wi*ti |
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| 203 | ! PPIZAZ(JL,JK)=PPIZAZ(JL,JK)+PAER(JL, JAE, IKL)& |
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| 204 | ! &* RTAUA(KNU,JAE)*RPIZA(KNU,JAE) |
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| 205 | !wi*ti*gi |
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| 206 | ! PCGAZ(JL,JK) = PCGAZ(JL,JK) +PAER(JL, JAE, IKL)& |
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| 207 | ! &* RTAUA(KNU,JAE)*RPIZA(KNU,JAE)*RCGA(KNU,JAE) |
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| 208 | !wi*ti*(gi**2) |
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| 209 | ! ZFACOA_NEW(JL,JK)= ZFACOA_NEW(JL,JK)+PAER(JL, JAE, IKL)& |
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| 210 | ! &* RTAUA(KNU,JAE)*RPIZA(KNU,JAE)*RCGA(KNU,JAE)*RCGA(KNU,JAE) |
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| 211 | ! ENDIF |
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| 212 | ENDDO |
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| 213 | ! ENDDO |
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| 214 | ENDIF |
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| 215 | !--MODIFCODE |
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| 216 | |
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| 217 | !++MODIFCODE |
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| 218 | IF (NOVLP < 5) then !ECMWF VERSION |
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| 219 | DO JL = KIDIA,KFDIA |
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| 220 | IF (KAER /= 0) THEN |
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| 221 | PCGAZ(JL,JK)=PCGAZ(JL,JK)/PPIZAZ(JL,JK) |
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| 222 | PPIZAZ(JL,JK)=PPIZAZ(JL,JK)/PTAUAZ(JL,JK) |
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| 223 | !!!! wrong ZRATIO = ZTRAY / (ZTRAY + PTAUAZ(JL,JK)) |
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| 224 | !-- |
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| 225 | ZGAR = PCGAZ(JL,JK) |
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| 226 | ZFF = ZGAR * ZGAR |
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| 227 | |
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| 228 | !-- bug-fix: ZRATIO must be defined from the transformed value of optical thickness |
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| 229 | ! MPLFH : ZTRAY N'EST PAS INITIALISE !!!!! A REVOIR (MPL) |
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| 230 | ZTRAY= PRAYL(JL) * PDSIG(JL,JK) |
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| 231 | ! print *,'>>>>>>> swclr: ZTRAY ',ZTRAY |
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| 232 | ZDENB = ZTRAY + PTAUAZ(JL,JK)*(1.0_JPRB-PPIZAZ(JL,JK)*ZFF) |
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| 233 | ZRATIO=ZTRAY/ZDENB |
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| 234 | !-- |
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| 235 | PTAUAZ(JL,JK)=ZTRAY+PTAUAZ(JL,JK)*(1.0_JPRB-PPIZAZ(JL,JK)*ZFF) |
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| 236 | PCGAZ(JL,JK) = ZGAR * (1.0_JPRB - ZRATIO) / (1.0_JPRB + ZGAR) |
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| 237 | PPIZAZ(JL,JK) =ZRATIO+(1.0_JPRB-ZRATIO)*PPIZAZ(JL,JK)*(1.0_JPRB-ZFF)& |
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| 238 | & / (1.0_JPRB - PPIZAZ(JL,JK) * ZFF) |
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| 239 | ELSE |
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| 240 | ZTRAY = PRAYL(JL) * PDSIG(JL,JK) |
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| 241 | PTAUAZ(JL,JK) = ZTRAY |
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| 242 | PCGAZ(JL,JK) = 0.0_JPRB |
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| 243 | PPIZAZ(JL,JK) = 1.0_JPRB-REPSCT |
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| 244 | ENDIF |
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| 245 | ENDDO |
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| 246 | ELSE !MESONH VERSION |
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| 247 | DO JL = KIDIA,KFDIA |
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| 248 | IF (KAER /= 0) THEN |
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| 249 | ZTRAY = PRAYL(JL) * PDSIG(JL,JK) |
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| 250 | ZRATIO =PPIZAZ(JL,JK)+ZTRAY |
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| 251 | !Ponderation G**2 |
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| 252 | ZFACOA_NEW(JL,JK)= ZFACOA_NEW(JL,JK)/ZRATIO |
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| 253 | !Ponderation w |
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| 254 | PPIZAZ(JL,JK)=ZRATIO/(PTAUAZ(JL,JK)+ZTRAY) |
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| 255 | !Ponderation g |
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| 256 | PCGAZ(JL,JK)=PCGAZ(JL,JK)/ZRATIO |
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| 257 | !Ponderation+delta-modified parameters tau |
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| 258 | PTAUAZ(JL,JK)=(ZTRAY+PTAUAZ(JL,JK))*& |
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| 259 | & (1.0_JPRB-PPIZAZ(JL,JK)*ZFACOA_NEW(JL,JK)) |
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| 260 | !delta-modified parameters w |
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| 261 | PPIZAZ(JL,JK)=PPIZAZ(JL,JK)*(1.0_JPRB-ZFACOA_NEW(JL,JK))/& |
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| 262 | & (1.0_JPRB-ZFACOA_NEW(JL,JK)*PPIZAZ(JL,JK)) |
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| 263 | !delta-modified parameters g |
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| 264 | PCGAZ(JL,JK)=PCGAZ(JL,JK)/(1.0_JPRB+PCGAZ(JL,JK)) |
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| 265 | |
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| 266 | ELSE |
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| 267 | ZTRAY = PRAYL(JL) * PDSIG(JL,JK) |
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| 268 | ZFACOA_NEW(JL,JK)= 0.0_JPRB |
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| 269 | PTAUAZ(JL,JK) = ZTRAY |
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| 270 | PCGAZ(JL,JK) = 0.0_JPRB |
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| 271 | PPIZAZ(JL,JK) = 1.0_JPRB-REPSCT |
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| 272 | ENDIF |
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| 273 | ENDDO |
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| 274 | ENDIF |
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| 275 | !--MODIFCODE |
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| 276 | |
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| 277 | ENDDO |
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| 278 | |
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| 279 | ! ------------------------------------------------------------------ |
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| 280 | |
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| 281 | !* 2. TOTAL EFFECTIVE CLOUDINESS ABOVE A GIVEN LEVEL |
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| 282 | ! ---------------------------------------------- |
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| 283 | |
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| 284 | DO JL = KIDIA,KFDIA |
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| 285 | ZR23(JL) = 0.0_JPRB |
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| 286 | ZC0I(JL,KLEV+1) = 0.0_JPRB |
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| 287 | ZCLEAR(JL) = 1.0_JPRB |
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| 288 | ZSCAT(JL) = 0.0_JPRB |
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| 289 | ENDDO |
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| 290 | |
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| 291 | JK = 1 |
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| 292 | JKL = KLEV+1 - JK |
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| 293 | JKLP1 = JKL + 1 |
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| 294 | DO JL = KIDIA,KFDIA |
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| 295 | !++MODIFCODE |
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| 296 | IF (NOVLP >= 5) THEN |
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| 297 | ZFACOA = PTAUAZ(JL,JK) |
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| 298 | ZCORAE = ZFACOA * PSEC(JL) |
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| 299 | ELSE |
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| 300 | ZFACOA = 1.0_JPRB - PPIZAZ(JL,JKL)*PCGAZ(JL,JKL)*PCGAZ(JL,JKL) |
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| 301 | ZCORAE = ZFACOA * PTAUAZ(JL,JKL) * PSEC(JL) |
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| 302 | ENDIF |
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| 303 | !--MODIFCODE |
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| 304 | ZR21(JL) = EXP(-ZCORAE ) |
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| 305 | ZSS0(JL) = 1.0_JPRB-ZR21(JL) |
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| 306 | ZCLE0(JL,JKL) = ZSS0(JL) |
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| 307 | |
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| 308 | IF (NOVLP == 1 .OR. NOVLP == 4) THEN |
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| 309 | !* maximum-random |
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| 310 | ZCLEAR(JL) = ZCLEAR(JL)& |
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| 311 | & *(1.0_JPRB-MAX(ZSS0(JL),ZSCAT(JL)))& |
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| 312 | & /(1.0_JPRB-MIN(ZSCAT(JL),1.0_JPRB-REPCLC)) |
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| 313 | ZC0I(JL,JKL) = 1.0_JPRB - ZCLEAR(JL) |
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| 314 | ZSCAT(JL) = ZSS0(JL) |
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| 315 | ELSEIF (NOVLP == 2) THEN |
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| 316 | !* maximum |
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| 317 | ZSCAT(JL) = MAX( ZSS0(JL) , ZSCAT(JL) ) |
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| 318 | ZC0I(JL,JKL) = ZSCAT(JL) |
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| 319 | !++MODIFCODE |
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| 320 | ELSEIF ((NOVLP == 3).OR.(NOVLP >= 5)) THEN |
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| 321 | !--MODIFCODE |
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| 322 | !* random |
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| 323 | ZCLEAR(JL)=ZCLEAR(JL)*(1.0_JPRB-ZSS0(JL)) |
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| 324 | ZSCAT(JL) = 1.0_JPRB - ZCLEAR(JL) |
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| 325 | ZC0I(JL,JKL) = ZSCAT(JL) |
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| 326 | ENDIF |
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| 327 | ENDDO |
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| 328 | |
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| 329 | DO JK = 2 , KLEV |
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| 330 | JKL = KLEV+1 - JK |
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| 331 | JKLP1 = JKL + 1 |
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| 332 | DO JL = KIDIA,KFDIA |
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| 333 | !++MODIFCODE |
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| 334 | IF (NOVLP >= 5) THEN |
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| 335 | ZFACOA = PTAUAZ(JL,JK) |
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| 336 | ZCORAE = ZFACOA * PSEC(JL) |
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| 337 | ELSE |
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| 338 | ZFACOA = 1.0_JPRB - PPIZAZ(JL,JKL)*PCGAZ(JL,JKL)*PCGAZ(JL,JKL) |
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| 339 | ZCORAE = ZFACOA * PTAUAZ(JL,JKL) * PSEC(JL) |
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| 340 | ENDIF |
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| 341 | !--MODIFCODE |
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| 342 | ZR21(JL) = EXP(-ZCORAE ) |
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| 343 | ZSS0(JL) = 1.0_JPRB-ZR21(JL) |
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| 344 | ZCLE0(JL,JKL) = ZSS0(JL) |
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| 345 | |
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| 346 | IF (NOVLP == 1 .OR. NOVLP == 4) THEN |
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| 347 | !* maximum-random |
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| 348 | ZCLEAR(JL) = ZCLEAR(JL)& |
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| 349 | & *(1.0_JPRB-MAX(ZSS0(JL),ZSCAT(JL)))& |
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| 350 | & /(1.0_JPRB-MIN(ZSCAT(JL),1.0_JPRB-REPCLC)) |
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| 351 | ZC0I(JL,JKL) = 1.0_JPRB - ZCLEAR(JL) |
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| 352 | ZSCAT(JL) = ZSS0(JL) |
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| 353 | ELSEIF (NOVLP == 2) THEN |
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| 354 | !* maximum |
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| 355 | ZSCAT(JL) = MAX( ZSS0(JL) , ZSCAT(JL) ) |
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| 356 | ZC0I(JL,JKL) = ZSCAT(JL) |
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| 357 | !++MODIFCODE |
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| 358 | ELSEIF ((NOVLP == 3).OR.(NOVLP >= 5)) THEN |
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| 359 | !--MODIFCODE |
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| 360 | !* random |
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| 361 | ZCLEAR(JL)=ZCLEAR(JL)*(1.0_JPRB-ZSS0(JL)) |
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| 362 | ZSCAT(JL) = 1.0_JPRB - ZCLEAR(JL) |
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| 363 | ZC0I(JL,JKL) = ZSCAT(JL) |
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| 364 | ENDIF |
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| 365 | ENDDO |
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| 366 | ENDDO |
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| 367 | |
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| 368 | ! ------------------------------------------------------------------ |
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| 369 | |
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| 370 | !* 3. REFLECTIVITY/TRANSMISSIVITY FOR PURE SCATTERING |
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| 371 | ! ----------------------------------------------- |
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| 372 | |
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| 373 | DO JL = KIDIA,KFDIA |
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| 374 | PRAY1(JL,KLEV+1) = 0.0_JPRB |
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| 375 | PRAY2(JL,KLEV+1) = 0.0_JPRB |
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| 376 | PREFZ(JL,2,1) = PALBP(JL,KNU) |
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| 377 | PREFZ(JL,1,1) = PALBP(JL,KNU) |
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| 378 | PTRA1(JL,KLEV+1) = 1.0_JPRB |
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| 379 | PTRA2(JL,KLEV+1) = 1.0_JPRB |
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| 380 | ENDDO |
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| 381 | |
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| 382 | DO JK = 2 , KLEV+1 |
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| 383 | JKM1 = JK-1 |
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| 384 | DO JL = KIDIA,KFDIA |
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| 385 | |
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| 386 | ! ------------------------------------------------------------------ |
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| 387 | |
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| 388 | !* 3.1 EQUIVALENT ZENITH ANGLE |
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| 389 | ! ----------------------- |
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| 390 | |
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| 391 | ZMUE = (1.0_JPRB-ZC0I(JL,JK)) * PSEC(JL)+ ZC0I(JL,JK) * 1.66_JPRB |
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| 392 | PRMU0(JL,JK) = 1.0_JPRB/ZMUE |
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| 393 | ZMU0=PRMU0(JL,JK) |
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| 394 | |
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| 395 | ! ------------------------------------------------------------------ |
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| 396 | |
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| 397 | !* 3.2 REFLECT./TRANSMISSIVITY DUE TO RAYLEIGH AND AEROSOLS |
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| 398 | ! ---------------------------------------------------- |
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| 399 | |
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| 400 | ZGAP = PCGAZ(JL,JKM1) |
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| 401 | ZBMU0 = 0.5_JPRB - 0.75_JPRB * ZGAP *ZMU0 |
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| 402 | ZWW = PPIZAZ(JL,JKM1) |
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| 403 | ZTO = PTAUAZ(JL,JKM1) |
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| 404 | ZDEN = 1.0_JPRB + (1.0_JPRB - ZWW + ZBMU0 * ZWW) * ZTO * ZMUE & |
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| 405 | & + (1-ZWW) * (1.0_JPRB - ZWW +2.0_JPRB*ZBMU0*ZWW)*ZTO*ZTO*ZMUE*ZMUE |
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| 406 | ZIDEN=1.0_JPRB / ZDEN |
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| 407 | PRAY1(JL,JKM1) = ZBMU0 * ZWW * ZTO * ZMUE * ZIDEN |
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| 408 | PTRA1(JL,JKM1) = ZIDEN |
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| 409 | |
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| 410 | ZMU1 = 0.5_JPRB |
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| 411 | ZIMU1=2.0_JPRB |
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| 412 | ZI2MU1=4.0_JPRB |
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| 413 | ZBMU1 = 0.5_JPRB - 0.75_JPRB * ZGAP * ZMU1 |
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| 414 | ZDEN1= 1.0_JPRB + (1.0_JPRB - ZWW + ZBMU1 * ZWW) * ZTO * ZIMU1 & |
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| 415 | & + (1-ZWW) * (1.0_JPRB - ZWW +2.0_JPRB*ZBMU1*ZWW)*ZTO*ZTO*ZI2MU1 |
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| 416 | ZIDEN1=1.0_JPRB / ZDEN1 |
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| 417 | PRAY2(JL,JKM1) = ZBMU1 * ZWW * ZTO * ZIMU1 *ZIDEN1 |
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| 418 | PTRA2(JL,JKM1) = ZIDEN1 |
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| 419 | |
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| 420 | ZRR=1.0_JPRB/(1.0_JPRB-PRAY2(JL,JKM1)*PREFZ(JL,1,JKM1)) |
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| 421 | PREFZ(JL,1,JK) = PRAY1(JL,JKM1)& |
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| 422 | & + PREFZ(JL,1,JKM1) * PTRA1(JL,JKM1)& |
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| 423 | & * PTRA2(JL,JKM1)& |
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| 424 | & *ZRR |
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| 425 | |
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| 426 | ZTR(JL,1,JKM1) = PTRA1(JL,JKM1)& |
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| 427 | & *ZRR |
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| 428 | |
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| 429 | PREFZ(JL,2,JK) = PRAY1(JL,JKM1)& |
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| 430 | & + PREFZ(JL,2,JKM1) * PTRA1(JL,JKM1)& |
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| 431 | & * PTRA2(JL,JKM1) |
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| 432 | |
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| 433 | ZTR(JL,2,JKM1) = PTRA1(JL,JKM1) |
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| 434 | |
|---|
| 435 | ENDDO |
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| 436 | ENDDO |
|---|
| 437 | DO JL = KIDIA,KFDIA |
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| 438 | ZMUE = (1.0_JPRB-ZC0I(JL,1))*PSEC(JL)+ZC0I(JL,1)*1.66_JPRB |
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| 439 | PRMU0(JL,1)=1.0_JPRB/ZMUE |
|---|
| 440 | PTRCLR(JL)=1.0_JPRB-ZC0I(JL,1) |
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| 441 | ENDDO |
|---|
| 442 | |
|---|
| 443 | ! ------------------------------------------------------------------ |
|---|
| 444 | |
|---|
| 445 | !* 3.5 REFLECT./TRANSMISSIVITY BETWEEN SURFACE AND LEVEL |
|---|
| 446 | ! ------------------------------------------------- |
|---|
| 447 | |
|---|
| 448 | IF (NSW <= 4) THEN |
|---|
| 449 | INU1=1 |
|---|
| 450 | ELSEIF (NSW == 6) THEN |
|---|
| 451 | INU1=3 |
|---|
| 452 | ENDIF |
|---|
| 453 | |
|---|
| 454 | IF (KNU <= INU1) THEN |
|---|
| 455 | JAJ = 2 |
|---|
| 456 | DO JL = KIDIA,KFDIA |
|---|
| 457 | PRJ(JL,JAJ,KLEV+1) = 1.0_JPRB |
|---|
| 458 | PRK(JL,JAJ,KLEV+1) = PREFZ(JL, 1,KLEV+1) |
|---|
| 459 | ENDDO |
|---|
| 460 | |
|---|
| 461 | DO JK = 1 , KLEV |
|---|
| 462 | JKL = KLEV+1 - JK |
|---|
| 463 | JKLP1 = JKL + 1 |
|---|
| 464 | DO JL = KIDIA,KFDIA |
|---|
| 465 | ZRE11= PRJ(JL,JAJ,JKLP1) * ZTR(JL, 1,JKL) |
|---|
| 466 | PRJ(JL,JAJ,JKL) = ZRE11 |
|---|
| 467 | PRK(JL,JAJ,JKL) = ZRE11 * PREFZ(JL, 1,JKL) |
|---|
| 468 | ENDDO |
|---|
| 469 | ENDDO |
|---|
| 470 | |
|---|
| 471 | ELSE |
|---|
| 472 | |
|---|
| 473 | DO JAJ = 1 , 2 |
|---|
| 474 | DO JL = KIDIA,KFDIA |
|---|
| 475 | PRJ(JL,JAJ,KLEV+1) = 1.0_JPRB |
|---|
| 476 | PRK(JL,JAJ,KLEV+1) = PREFZ(JL,JAJ,KLEV+1) |
|---|
| 477 | ENDDO |
|---|
| 478 | |
|---|
| 479 | DO JK = 1 , KLEV |
|---|
| 480 | JKL = KLEV+1 - JK |
|---|
| 481 | JKLP1 = JKL + 1 |
|---|
| 482 | DO JL = KIDIA,KFDIA |
|---|
| 483 | ZRE11= PRJ(JL,JAJ,JKLP1) * ZTR(JL,JAJ,JKL) |
|---|
| 484 | PRJ(JL,JAJ,JKL) = ZRE11 |
|---|
| 485 | PRK(JL,JAJ,JKL) = ZRE11 * PREFZ(JL,JAJ,JKL) |
|---|
| 486 | ENDDO |
|---|
| 487 | ENDDO |
|---|
| 488 | ENDDO |
|---|
| 489 | |
|---|
| 490 | ENDIF |
|---|
| 491 | |
|---|
| 492 | ! ------------------------------------------------------------------ |
|---|
| 493 | |
|---|
| 494 | IF (LHOOK) CALL DR_HOOK('SWCLR',1,ZHOOK_HANDLE) |
|---|
| 495 | END SUBROUTINE SWCLR |
|---|
