| 1 | SUBROUTINE SRTM_TAUMOL28 & |
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| 2 | & ( KLEV,& |
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| 3 | & P_FAC00 , P_FAC01 , P_FAC10 , P_FAC11,& |
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| 4 | & K_JP , K_JT , K_JT1 , P_ONEMINUS,& |
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| 5 | & P_COLMOL , P_COLO2 , P_COLO3,& |
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| 6 | & K_LAYTROP,& |
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| 7 | & P_SFLUXZEN, P_TAUG , P_TAUR & |
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| 8 | & ) |
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| 9 | |
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| 10 | ! Written by Eli J. Mlawer, Atmospheric & Environmental Research. |
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| 11 | |
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| 12 | ! BAND 28: 38000-50000 cm-1 (low - O3,O2; high - O3,O2) |
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| 13 | |
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| 14 | ! Modifications |
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| 15 | ! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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| 16 | |
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| 17 | ! JJMorcrette 2003-02-24 adapted to ECMWF environment |
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| 18 | |
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| 19 | ! PARAMETER (MG=16, MXLAY=203, NBANDS=14) |
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| 20 | |
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| 21 | USE PARKIND1 ,ONLY : JPIM ,JPRB |
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| 22 | USE YOMHOOK ,ONLY : LHOOK, DR_HOOK |
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| 23 | |
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| 24 | USE PARSRTM , ONLY : JPLAY, JPG, NG28 |
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| 25 | USE YOESRTA28, ONLY : ABSA, ABSB & |
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| 26 | & , SFLUXREFC, RAYL & |
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| 27 | & , LAYREFFR, STRRAT |
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| 28 | USE YOESRTWN , ONLY : NSPA, NSPB |
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| 29 | |
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| 30 | IMPLICIT NONE |
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| 31 | |
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| 32 | !-- Output |
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| 33 | INTEGER(KIND=JPIM),INTENT(IN) :: KLEV |
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| 34 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC00(JPLAY) |
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| 35 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC01(JPLAY) |
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| 36 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC10(JPLAY) |
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| 37 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC11(JPLAY) |
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| 38 | INTEGER(KIND=JPIM),INTENT(IN) :: K_JP(JPLAY) |
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| 39 | INTEGER(KIND=JPIM),INTENT(IN) :: K_JT(JPLAY) |
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| 40 | INTEGER(KIND=JPIM),INTENT(IN) :: K_JT1(JPLAY) |
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| 41 | REAL(KIND=JPRB) ,INTENT(IN) :: P_ONEMINUS |
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| 42 | REAL(KIND=JPRB) ,INTENT(IN) :: P_COLMOL(JPLAY) |
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| 43 | REAL(KIND=JPRB) ,INTENT(IN) :: P_COLO2(JPLAY) |
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| 44 | REAL(KIND=JPRB) ,INTENT(IN) :: P_COLO3(JPLAY) |
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| 45 | INTEGER(KIND=JPIM),INTENT(IN) :: K_LAYTROP |
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| 46 | |
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| 47 | REAL(KIND=JPRB) ,INTENT(OUT) :: P_SFLUXZEN(JPG) |
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| 48 | REAL(KIND=JPRB) ,INTENT(OUT) :: P_TAUG(JPLAY,JPG) |
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| 49 | REAL(KIND=JPRB) ,INTENT(OUT) :: P_TAUR(JPLAY,JPG) |
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| 50 | !- from INTFAC |
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| 51 | !- from INTIND |
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| 52 | !- from PRECISE |
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| 53 | !- from PROFDATA |
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| 54 | !- from SELF |
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| 55 | INTEGER(KIND=JPIM) :: IG, IND0, IND1, JS, I_LAY, I_LAYSOLFR, I_NLAYERS |
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| 56 | |
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| 57 | REAL(KIND=JPRB) :: Z_FAC000, Z_FAC001, Z_FAC010, Z_FAC011, Z_FAC100, Z_FAC101,& |
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| 58 | & Z_FAC110, Z_FAC111, Z_FS, Z_SPECCOMB, Z_SPECMULT, Z_SPECPARM, & |
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| 59 | & Z_TAURAY |
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| 60 | REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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| 61 | |
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| 62 | IF (LHOOK) CALL DR_HOOK('SRTM_TAUMOL28',0,ZHOOK_HANDLE) |
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| 63 | I_NLAYERS = KLEV |
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| 64 | |
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| 65 | ! Compute the optical depth by interpolating in ln(pressure), |
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| 66 | ! temperature, and appropriate species. Below LAYTROP, the water |
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| 67 | ! vapor self-continuum is interpolated (in temperature) separately. |
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| 68 | |
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| 69 | DO I_LAY = 1, K_LAYTROP |
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| 70 | Z_SPECCOMB = P_COLO3(I_LAY) + STRRAT*P_COLO2(I_LAY) |
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| 71 | Z_SPECPARM = P_COLO3(I_LAY)/Z_SPECCOMB |
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| 72 | IF (Z_SPECPARM >= P_ONEMINUS) Z_SPECPARM = P_ONEMINUS |
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| 73 | Z_SPECMULT = 8.*(Z_SPECPARM) |
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| 74 | JS = 1 + INT(Z_SPECMULT) |
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| 75 | Z_FS = MOD(Z_SPECMULT, 1.0_JPRB ) |
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| 76 | ! Z_FAC000 = (1. - Z_FS) * P_FAC00(I_LAY) |
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| 77 | ! Z_FAC010 = (1. - Z_FS) * P_FAC10(I_LAY) |
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| 78 | ! Z_FAC100 = Z_FS * P_FAC00(I_LAY) |
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| 79 | ! Z_FAC110 = Z_FS * P_FAC10(I_LAY) |
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| 80 | ! Z_FAC001 = (1. - Z_FS) * P_FAC01(I_LAY) |
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| 81 | ! Z_FAC011 = (1. - Z_FS) * P_FAC11(I_LAY) |
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| 82 | ! Z_FAC101 = Z_FS * P_FAC01(I_LAY) |
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| 83 | ! Z_FAC111 = Z_FS * P_FAC11(I_LAY) |
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| 84 | IND0 = ((K_JP(I_LAY)-1)*5+(K_JT(I_LAY)-1))*NSPA(28) + JS |
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| 85 | IND1 = (K_JP(I_LAY)*5+(K_JT1(I_LAY)-1))*NSPA(28) + JS |
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| 86 | Z_TAURAY = P_COLMOL(I_LAY) * RAYL |
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| 87 | |
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| 88 | ! DO IG = 1, NG(28) |
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| 89 | DO IG = 1 , NG28 |
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| 90 | P_TAUG(I_LAY,IG) = Z_SPECCOMB * & |
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| 91 | ! & (Z_FAC000 * ABSA(IND0,IG) + & |
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| 92 | ! & Z_FAC100 * ABSA(IND0+1,IG) + & |
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| 93 | ! & Z_FAC010 * ABSA(IND0+9,IG) + & |
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| 94 | ! & Z_FAC110 * ABSA(IND0+10,IG) + & |
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| 95 | ! & Z_FAC001 * ABSA(IND1,IG) + & |
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| 96 | ! & Z_FAC101 * ABSA(IND1+1,IG) + & |
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| 97 | ! & Z_FAC011 * ABSA(IND1+9,IG) + & |
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| 98 | ! & Z_FAC111 * ABSA(IND1+10,IG)) |
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| 99 | & (& |
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| 100 | & (1. - Z_FS) * ( ABSA(IND0,IG) * P_FAC00(I_LAY) + & |
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| 101 | & ABSA(IND0+9,IG) * P_FAC10(I_LAY) + & |
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| 102 | & ABSA(IND1,IG) * P_FAC01(I_LAY) + & |
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| 103 | & ABSA(IND1+9,IG) * P_FAC11(I_LAY) ) + & |
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| 104 | & Z_FS * ( ABSA(IND0+1,IG) * P_FAC00(I_LAY) + & |
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| 105 | & ABSA(IND0+10,IG) * P_FAC10(I_LAY) + & |
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| 106 | & ABSA(IND1+1,IG) * P_FAC01(I_LAY) + & |
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| 107 | & ABSA(IND1+10,IG) * P_FAC11(I_LAY) ) & |
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| 108 | & ) |
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| 109 | ! & + TAURAY |
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| 110 | ! SSA(LAY,IG) = TAURAY/TAUG(LAY,IG) |
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| 111 | P_TAUR(I_LAY,IG) = Z_TAURAY |
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| 112 | ENDDO |
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| 113 | ENDDO |
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| 114 | |
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| 115 | I_LAYSOLFR = I_NLAYERS |
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| 116 | |
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| 117 | DO I_LAY = K_LAYTROP+1, I_NLAYERS |
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| 118 | IF (K_JP(I_LAY-1) < LAYREFFR .AND. K_JP(I_LAY) >= LAYREFFR) & |
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| 119 | & I_LAYSOLFR = I_LAY |
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| 120 | Z_SPECCOMB = P_COLO3(I_LAY) + STRRAT*P_COLO2(I_LAY) |
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| 121 | Z_SPECPARM = P_COLO3(I_LAY)/Z_SPECCOMB |
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| 122 | IF (Z_SPECPARM >= P_ONEMINUS) Z_SPECPARM = P_ONEMINUS |
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| 123 | Z_SPECMULT = 4.*(Z_SPECPARM) |
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| 124 | JS = 1 + INT(Z_SPECMULT) |
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| 125 | Z_FS = MOD(Z_SPECMULT, 1.0_JPRB ) |
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| 126 | ! Z_FAC000 = (1. - Z_FS) * P_FAC00(I_LAY) |
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| 127 | ! Z_FAC010 = (1. - Z_FS) * P_FAC10(I_LAY) |
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| 128 | ! Z_FAC100 = Z_FS * P_FAC00(I_LAY) |
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| 129 | ! Z_FAC110 = Z_FS * P_FAC10(I_LAY) |
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| 130 | ! Z_FAC001 = (1. - Z_FS) * P_FAC01(I_LAY) |
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| 131 | ! Z_FAC011 = (1. - Z_FS) * P_FAC11(I_LAY) |
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| 132 | ! Z_FAC101 = Z_FS * P_FAC01(I_LAY) |
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| 133 | ! Z_FAC111 = Z_FS * P_FAC11(I_LAY) |
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| 134 | IND0 = ((K_JP(I_LAY)-13)*5+(K_JT(I_LAY)-1))*NSPB(28) + JS |
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| 135 | IND1 = ((K_JP(I_LAY)-12)*5+(K_JT1(I_LAY)-1))*NSPB(28) + JS |
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| 136 | Z_TAURAY = P_COLMOL(I_LAY) * RAYL |
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| 137 | |
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| 138 | ! DO IG = 1, NG(28) |
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| 139 | DO IG = 1 , NG28 |
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| 140 | P_TAUG(I_LAY,IG) = Z_SPECCOMB * & |
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| 141 | ! & (Z_FAC000 * ABSB(IND0,IG) + & |
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| 142 | ! & Z_FAC100 * ABSB(IND0+1,IG) + & |
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| 143 | ! & Z_FAC010 * ABSB(IND0+5,IG) + & |
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| 144 | ! & Z_FAC110 * ABSB(IND0+6,IG) + & |
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| 145 | ! & Z_FAC001 * ABSB(IND1,IG) + & |
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| 146 | ! & Z_FAC101 * ABSB(IND1+1,IG) + & |
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| 147 | ! & Z_FAC011 * ABSB(IND1+5,IG) + & |
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| 148 | ! & Z_FAC111 * ABSB(IND1+6,IG)) |
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| 149 | & (& |
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| 150 | & (1. - Z_FS) * ( ABSB(IND0,IG) * P_FAC00(I_LAY) + & |
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| 151 | & ABSB(IND0+5,IG) * P_FAC10(I_LAY) + & |
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| 152 | & ABSB(IND1,IG) * P_FAC01(I_LAY) + & |
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| 153 | & ABSB(IND1+5,IG) * P_FAC11(I_LAY) ) + & |
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| 154 | & Z_FS * ( ABSB(IND0+1,IG) * P_FAC00(I_LAY) + & |
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| 155 | & ABSB(IND0+6,IG) * P_FAC10(I_LAY) + & |
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| 156 | & ABSB(IND1+1,IG) * P_FAC01(I_LAY) + & |
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| 157 | & ABSB(IND1+6,IG) * P_FAC11(I_LAY) ) & |
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| 158 | & ) |
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| 159 | ! & + TAURAY |
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| 160 | ! SSA(LAY,IG) = TAURAY/TAUG(LAY,IG) |
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| 161 | IF (I_LAY == I_LAYSOLFR) P_SFLUXZEN(IG) = SFLUXREFC(IG,JS) & |
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| 162 | & + Z_FS * (SFLUXREFC(IG,JS+1) - SFLUXREFC(IG,JS)) |
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| 163 | P_TAUR(I_LAY,IG) = Z_TAURAY |
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| 164 | ENDDO |
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| 165 | ENDDO |
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| 166 | |
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| 167 | !----------------------------------------------------------------------- |
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| 168 | IF (LHOOK) CALL DR_HOOK('SRTM_TAUMOL28',1,ZHOOK_HANDLE) |
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| 169 | END SUBROUTINE SRTM_TAUMOL28 |
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| 170 | |
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