[3880] | 1 | !---------------------------------------------------------------------------- |
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| 2 | SUBROUTINE RRTM_TAUMOL15 (KIDIA,KFDIA,KLEV,P_TAU,& |
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| 3 | & P_TAUAERL,P_FAC00,P_FAC01,P_FAC10,P_FAC11,P_FORFAC,P_FORFRAC,K_INDFOR,K_JP,K_JT,K_JT1,P_ONEMINUS,& |
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| 4 | & P_COLH2O,P_COLCO2,P_COLN2O,K_LAYTROP,P_SELFFAC,P_SELFFRAC,K_INDSELF,PFRAC, & |
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| 5 | & PRAT_N2OCO2, PRAT_N2OCO2_1,PMINORFRAC,KINDMINOR,PSCALEMINOR,PCOLBRD) |
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| 6 | |
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| 7 | ! BAND 15: 2380-2600 cm-1 (low - N2O,CO2; high - nothing) |
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| 8 | |
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| 9 | ! AUTHOR. |
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| 10 | ! ------- |
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| 11 | ! JJMorcrette, ECMWF |
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| 12 | |
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| 13 | ! MODIFICATIONS. |
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| 14 | ! -------------- |
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| 15 | ! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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| 16 | ! NEC 25-Oct-2007 Optimisations |
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| 17 | ! JJMorcrette 20110613 flexible number of g-points |
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| 18 | ! ABozzo 2001306 updated to rrtmg v4.85 |
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| 19 | ! band 15: 2380-2600 cm-1 (low - n2o,co2; low minor - n2) |
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| 20 | ! (high - nothing) |
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| 21 | ! --------------------------------------------------------------------------- |
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| 22 | |
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| 23 | USE PARKIND1 ,ONLY : JPIM ,JPRB |
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| 24 | USE YOMHOOK ,ONLY : LHOOK, DR_HOOK |
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| 25 | |
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| 26 | USE PARRRTM , ONLY : JPBAND |
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| 27 | USE YOERRTM , ONLY : JPGPT ,NGS14 ,NG15 |
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| 28 | USE YOERRTWN , ONLY : NSPA |
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| 29 | USE YOERRTA15, ONLY : ABSA ,KA_MN2,FRACREFA,SELFREF,FORREF |
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| 30 | USE YOERRTRF, ONLY : CHI_MLS |
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| 31 | |
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| 32 | IMPLICIT NONE |
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| 33 | |
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| 34 | INTEGER(KIND=JPIM),INTENT(IN) :: KIDIA |
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| 35 | INTEGER(KIND=JPIM),INTENT(IN) :: KFDIA |
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| 36 | INTEGER(KIND=JPIM),INTENT(IN) :: KLEV |
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| 37 | REAL(KIND=JPRB) ,INTENT(OUT) :: P_TAU(KIDIA:KFDIA,JPGPT,KLEV) |
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| 38 | REAL(KIND=JPRB) ,INTENT(IN) :: P_TAUAERL(KIDIA:KFDIA,KLEV,JPBAND) |
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| 39 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC00(KIDIA:KFDIA,KLEV) |
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| 40 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC01(KIDIA:KFDIA,KLEV) |
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| 41 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC10(KIDIA:KFDIA,KLEV) |
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| 42 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC11(KIDIA:KFDIA,KLEV) |
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| 43 | INTEGER(KIND=JPIM),INTENT(IN) :: K_JP(KIDIA:KFDIA,KLEV) |
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| 44 | INTEGER(KIND=JPIM),INTENT(IN) :: K_JT(KIDIA:KFDIA,KLEV) |
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| 45 | INTEGER(KIND=JPIM),INTENT(IN) :: K_JT1(KIDIA:KFDIA,KLEV) |
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| 46 | REAL(KIND=JPRB) ,INTENT(IN) :: P_ONEMINUS |
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| 47 | REAL(KIND=JPRB) ,INTENT(IN) :: P_COLH2O(KIDIA:KFDIA,KLEV) |
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| 48 | REAL(KIND=JPRB) ,INTENT(IN) :: P_COLCO2(KIDIA:KFDIA,KLEV) |
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| 49 | REAL(KIND=JPRB) ,INTENT(IN) :: P_COLN2O(KIDIA:KFDIA,KLEV) |
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| 50 | INTEGER(KIND=JPIM),INTENT(IN) :: K_LAYTROP(KIDIA:KFDIA) |
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| 51 | REAL(KIND=JPRB) ,INTENT(IN) :: P_SELFFAC(KIDIA:KFDIA,KLEV) |
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| 52 | REAL(KIND=JPRB) ,INTENT(IN) :: P_SELFFRAC(KIDIA:KFDIA,KLEV) |
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| 53 | INTEGER(KIND=JPIM),INTENT(IN) :: K_INDSELF(KIDIA:KFDIA,KLEV) |
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| 54 | REAL(KIND=JPRB) ,INTENT(OUT) :: PFRAC(KIDIA:KFDIA,JPGPT,KLEV) |
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| 55 | |
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| 56 | REAL(KIND=JPRB) ,INTENT(IN) :: PRAT_N2OCO2(KIDIA:KFDIA,KLEV) |
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| 57 | REAL(KIND=JPRB) ,INTENT(IN) :: PRAT_N2OCO2_1(KIDIA:KFDIA,KLEV) |
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| 58 | INTEGER(KIND=JPIM),INTENT(IN) :: K_INDFOR(KIDIA:KFDIA,KLEV) |
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| 59 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FORFAC(KIDIA:KFDIA,KLEV) |
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| 60 | REAL(KIND=JPRB) ,INTENT(IN) :: P_FORFRAC(KIDIA:KFDIA,KLEV) |
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| 61 | REAL(KIND=JPRB) ,INTENT(IN) :: PMINORFRAC(KIDIA:KFDIA,KLEV) |
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| 62 | INTEGER(KIND=JPIM),INTENT(IN) :: KINDMINOR(KIDIA:KFDIA,KLEV) |
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| 63 | REAL(KIND=JPRB) ,INTENT(IN) :: PSCALEMINOR(KIDIA:KFDIA,KLEV) |
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| 64 | REAL(KIND=JPRB) ,INTENT(IN) :: PCOLBRD(KIDIA:KFDIA,KLEV) |
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| 65 | ! --------------------------------------------------------------------------- |
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| 66 | |
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| 67 | INTEGER(KIND=JPIM) :: IG, IND0, IND1, INDS,INDF,INDM, JS,JS1,JPL,JMN2, JLAY |
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| 68 | INTEGER(KIND=JPIM) :: JLON |
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| 69 | REAL(KIND=JPRB) :: ZREFRAT_PLANCK_A, ZREFRAT_M_A |
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| 70 | REAL(KIND=JPRB) :: ZTAUFOR,ZTAUSELF,ZTAU_MAJOR,ZTAU_MAJOR1, ZN2M1, ZN2M2, ZTAUN2,ZSCALEN2 |
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| 71 | REAL(KIND=JPRB) :: Z_FAC000, Z_FAC100, Z_FAC200,& |
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| 72 | & Z_FAC010, Z_FAC110, Z_FAC210, & |
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| 73 | & Z_FAC001, Z_FAC101, Z_FAC201, & |
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| 74 | & Z_FAC011, Z_FAC111, Z_FAC211 |
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| 75 | REAL(KIND=JPRB) :: ZP, ZP4, ZFK0, ZFK1, ZFK2 |
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| 76 | |
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| 77 | REAL(KIND=JPRB) :: Z_FS, Z_SPECMULT, Z_SPECPARM,Z_SPECCOMB, & |
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| 78 | & Z_FS1, Z_SPECMULT1, Z_SPECPARM1,Z_SPECCOMB1, & |
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| 79 | & Z_FMN2, Z_SPECMULT_MN2, Z_SPECPARM_MN2,Z_SPECCOMB_MN2, & |
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| 80 | & Z_FPL, Z_SPECMULT_PLANCK, Z_SPECPARM_PLANCK,Z_SPECCOMB_PLANCK |
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| 81 | REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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| 82 | ! --------------------------------------------------------------------------- |
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| 83 | ! Minor gas mapping level : |
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| 84 | ! Lower - Nitrogen Continuum, P = 1053., T = 294. |
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| 85 | |
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| 86 | ! Calculate reference ratio to be used in calculation of Planck |
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| 87 | ! fraction in lower atmosphere. |
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| 88 | ! P = 1053. mb (Level 1) |
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| 89 | Zrefrat_planck_a = chi_mls(4,1)/chi_mls(2,1) |
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| 90 | |
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| 91 | ! P = 1053. |
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| 92 | Zrefrat_m_a = chi_mls(4,1)/chi_mls(2,1) |
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| 93 | |
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| 94 | ! Compute the optical depth by interpolating in ln(pressure), |
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| 95 | ! temperature, and appropriate species. Below laytrop, the water |
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| 96 | ! vapor self-continuum and foreign continuum is interpolated |
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| 97 | ! (in temperature) separately. |
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| 98 | |
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| 99 | ASSOCIATE(NFLEVG=>KLEV) |
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| 100 | IF (LHOOK) CALL DR_HOOK('RRTM_TAUMOL15',0,ZHOOK_HANDLE) |
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| 101 | |
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| 102 | DO JLAY = 1, KLEV |
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| 103 | DO JLON = KIDIA, KFDIA |
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| 104 | IF (JLAY <= K_LAYTROP(JLON)) THEN |
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| 105 | |
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| 106 | Z_SPECCOMB = P_COLN2O(JLON,JLAY) + PRAT_N2OCO2(JLON,JLAY)*P_COLCO2(JLON,JLAY) |
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| 107 | Z_SPECPARM = P_COLN2O(JLON,JLAY)/Z_SPECCOMB |
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| 108 | Z_SPECPARM = MIN(Z_SPECPARM,P_ONEMINUS) |
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| 109 | Z_SPECMULT = 8._JPRB*(Z_SPECPARM) |
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| 110 | JS = 1 + INT(Z_SPECMULT) |
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| 111 | Z_FS = MOD(Z_SPECMULT,1.0_JPRB) |
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| 112 | |
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| 113 | Z_SPECCOMB1 = P_COLN2O(JLON,JLAY) + PRAT_N2OCO2_1(JLON,JLAY)*P_COLCO2(JLON,JLAY) |
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| 114 | Z_SPECPARM1 = P_COLN2O(JLON,JLAY)/Z_SPECCOMB1 |
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| 115 | IF (Z_SPECPARM1 >= P_ONEMINUS) Z_SPECPARM1 = P_ONEMINUS |
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| 116 | Z_SPECMULT1 = 8._JPRB*(Z_SPECPARM1) |
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| 117 | JS1 = 1 + INT(Z_SPECMULT1) |
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| 118 | Z_FS1 = MOD(Z_SPECMULT1,1.0_JPRB) |
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| 119 | |
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| 120 | Z_SPECCOMB_MN2 = P_COLN2O(JLON,JLAY) + ZREFRAT_M_A*P_COLCO2(JLON,JLAY) |
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| 121 | Z_SPECPARM_MN2 = P_COLN2O(JLON,JLAY)/Z_SPECCOMB_MN2 |
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| 122 | IF (Z_SPECPARM_MN2 >= P_ONEMINUS) Z_SPECPARM_MN2 = P_ONEMINUS |
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| 123 | Z_SPECMULT_MN2 = 8._JPRB*Z_SPECPARM_MN2 |
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| 124 | JMN2 = 1 + INT(Z_SPECMULT_MN2) |
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| 125 | Z_FMN2 = MOD(Z_SPECMULT_MN2,1.0_JPRB) |
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| 126 | |
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| 127 | Z_SPECCOMB_PLANCK = P_COLN2O(JLON,JLAY)+ZREFRAT_PLANCK_A*P_COLCO2(JLON,JLAY) |
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| 128 | Z_SPECPARM_PLANCK = P_COLN2O(JLON,JLAY)/Z_SPECCOMB_PLANCK |
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| 129 | IF (Z_SPECPARM_PLANCK >= P_ONEMINUS) Z_SPECPARM_PLANCK=P_ONEMINUS |
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| 130 | Z_SPECMULT_PLANCK = 8._JPRB*Z_SPECPARM_PLANCK |
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| 131 | JPL= 1 + INT(Z_SPECMULT_PLANCK) |
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| 132 | Z_FPL = MOD(Z_SPECMULT_PLANCK,1.0_JPRB) |
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| 133 | |
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| 134 | IND0 = ((K_JP(JLON,JLAY)-1)*5+(K_JT(JLON,JLAY)-1))*NSPA(15) + JS |
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| 135 | IND1 = (K_JP(JLON,JLAY)*5+(K_JT1(JLON,JLAY)-1))*NSPA(15) + JS1 |
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| 136 | INDS = K_INDSELF(JLON,JLAY) |
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| 137 | INDF = K_INDFOR(JLON,JLAY) |
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| 138 | INDM = KINDMINOR(JLON,JLAY) |
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| 139 | |
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| 140 | ZSCALEN2 = PCOLBRD(JLON,JLAY)*PSCALEMINOR(JLON,JLAY) |
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| 141 | |
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| 142 | IF (Z_SPECPARM < 0.125_JPRB) THEN |
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| 143 | ZP = Z_FS - 1 |
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| 144 | ZP4 = ZP**4 |
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| 145 | ZFK0 = ZP4 |
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| 146 | ZFK1 = 1 - ZP - 2.0_JPRB*ZP4 |
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| 147 | ZFK2 = ZP + ZP4 |
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| 148 | Z_FAC000 = ZFK0*P_FAC00(JLON,JLAY) |
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| 149 | Z_FAC100 = ZFK1*P_FAC00(JLON,JLAY) |
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| 150 | Z_FAC200 = ZFK2*P_FAC00(JLON,JLAY) |
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| 151 | Z_FAC010 = ZFK0*P_FAC10(JLON,JLAY) |
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| 152 | Z_FAC110 = ZFK1*P_FAC10(JLON,JLAY) |
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| 153 | Z_FAC210 = ZFK2*P_FAC10(JLON,JLAY) |
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| 154 | ELSEIF (Z_SPECPARM > 0.875_JPRB) THEN |
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| 155 | ZP = -Z_FS |
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| 156 | ZP4 = ZP**4 |
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| 157 | ZFK0 = ZP4 |
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| 158 | ZFK1 = 1 - ZP - 2.0_JPRB*ZP4 |
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| 159 | ZFK2 = ZP + ZP4 |
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| 160 | Z_FAC000 = ZFK0*P_FAC00(JLON,JLAY) |
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| 161 | Z_FAC100 = ZFK1*P_FAC00(JLON,JLAY) |
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| 162 | Z_FAC200 = ZFK2*P_FAC00(JLON,JLAY) |
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| 163 | Z_FAC010 = ZFK0*P_FAC10(JLON,JLAY) |
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| 164 | Z_FAC110 = ZFK1*P_FAC10(JLON,JLAY) |
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| 165 | Z_FAC210 = ZFK2*P_FAC10(JLON,JLAY) |
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| 166 | ELSE |
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| 167 | Z_FAC000 = (1._JPRB - Z_FS) * P_FAC00(JLON,JLAY) |
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| 168 | Z_FAC010 = (1._JPRB - Z_FS) * P_FAC10(JLON,JLAY) |
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| 169 | Z_FAC100 = Z_FS * P_FAC00(JLON,JLAY) |
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| 170 | Z_FAC110 = Z_FS * P_FAC10(JLON,JLAY) |
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| 171 | ENDIF |
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| 172 | IF (Z_SPECPARM1 < 0.125_JPRB) THEN |
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| 173 | ZP = Z_FS1 - 1 |
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| 174 | ZP4 = ZP**4 |
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| 175 | ZFK0 = ZP4 |
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| 176 | ZFK1 = 1 - ZP - 2.0_JPRB*ZP4 |
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| 177 | ZFK2 = ZP + ZP4 |
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| 178 | Z_FAC001 = ZFK0*P_FAC01(JLON,JLAY) |
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| 179 | Z_FAC101 = ZFK1*P_FAC01(JLON,JLAY) |
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| 180 | Z_FAC201 = ZFK2*P_FAC01(JLON,JLAY) |
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| 181 | Z_FAC011 = ZFK0*P_FAC11(JLON,JLAY) |
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| 182 | Z_FAC111 = ZFK1*P_FAC11(JLON,JLAY) |
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| 183 | Z_FAC211 = ZFK2*P_FAC11(JLON,JLAY) |
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| 184 | ELSEIF (Z_SPECPARM1 > 0.875_JPRB) THEN |
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| 185 | ZP = -Z_FS1 |
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| 186 | ZP4 = ZP**4 |
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| 187 | ZFK0 = ZP4 |
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| 188 | ZFK1 = 1 - ZP - 2.0_JPRB*ZP4 |
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| 189 | ZFK2 = ZP + ZP4 |
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| 190 | Z_FAC001 = ZFK0*P_FAC01(JLON,JLAY) |
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| 191 | Z_FAC101 = ZFK1*P_FAC01(JLON,JLAY) |
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| 192 | Z_FAC201 = ZFK2*P_FAC01(JLON,JLAY) |
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| 193 | Z_FAC011 = ZFK0*P_FAC11(JLON,JLAY) |
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| 194 | Z_FAC111 = ZFK1*P_FAC11(JLON,JLAY) |
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| 195 | Z_FAC211 = ZFK2*P_FAC11(JLON,JLAY) |
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| 196 | ELSE |
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| 197 | Z_FAC001 = (1._JPRB - Z_FS1) * P_FAC01(JLON,JLAY) |
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| 198 | Z_FAC011 = (1._JPRB - Z_FS1) * P_FAC11(JLON,JLAY) |
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| 199 | Z_FAC101 = Z_FS1 * P_FAC01(JLON,JLAY) |
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| 200 | Z_FAC111 = Z_FS1 * P_FAC11(JLON,JLAY) |
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| 201 | ENDIF |
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| 202 | |
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| 203 | |
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| 204 | !-- DS_990714 |
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| 205 | !-- jjm20110728 re-establishing the loop instead of specified IG to allow a flexible number of NG15 |
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| 206 | DO IG = 1, NG15 |
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| 207 | ZTAUSELF = P_SELFFAC(JLON,JLAY)* (SELFREF(INDS,IG) + P_SELFFRAC(JLON,JLAY) * & |
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| 208 | & (SELFREF(INDS+1,IG) - SELFREF(INDS,IG))) |
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| 209 | ZTAUFOR = P_FORFAC(JLON,JLAY) * (FORREF(INDF,IG) + P_FORFRAC(JLON,JLAY) * & |
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| 210 | & (FORREF(INDF+1,IG) - FORREF(INDF,IG))) |
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| 211 | ZN2M1 = KA_MN2(JMN2,INDM,IG) + Z_FMN2 * & |
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| 212 | & (KA_MN2(JMN2+1,INDM,IG) - KA_MN2(JMN2,INDM,IG)) |
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| 213 | ZN2M2 = KA_MN2(JMN2,INDM+1,IG) + Z_FMN2 * & |
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| 214 | & (KA_MN2(JMN2+1,INDM+1,IG) - KA_MN2(JMN2,INDM+1,IG)) |
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| 215 | ZTAUN2 = ZSCALEN2 * (ZN2M1 + PMINORFRAC(JLON,JLAY) * (ZN2M2 - ZN2M1)) |
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| 216 | |
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| 217 | IF (Z_SPECPARM < 0.125_JPRB) THEN |
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| 218 | ZTAU_MAJOR = Z_SPECCOMB * & |
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| 219 | & (Z_FAC000 * ABSA(IND0,IG) + & |
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| 220 | & Z_FAC100 * ABSA(IND0+1,IG) + & |
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| 221 | & Z_FAC200 * ABSA(IND0+2,IG) + & |
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| 222 | & Z_FAC010 * ABSA(IND0+9,IG) + & |
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| 223 | & Z_FAC110 * ABSA(IND0+10,IG) + & |
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| 224 | & Z_FAC210 * ABSA(IND0+11,IG)) |
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| 225 | ELSEIF (Z_SPECPARM > 0.875_JPRB) THEN |
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| 226 | ZTAU_MAJOR = Z_SPECCOMB * & |
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| 227 | & (Z_FAC200 * ABSA(IND0-1,IG) + & |
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| 228 | & Z_FAC100 * ABSA(IND0,IG) + & |
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| 229 | & Z_FAC000 * ABSA(IND0+1,IG) + & |
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| 230 | & Z_FAC210 * ABSA(IND0+8,IG) + & |
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| 231 | & Z_FAC110 * ABSA(IND0+9,IG) + & |
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| 232 | & Z_FAC010 * ABSA(IND0+10,IG)) |
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| 233 | ELSE |
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| 234 | ZTAU_MAJOR = Z_SPECCOMB * & |
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| 235 | & (Z_FAC000 * ABSA(IND0,IG) + & |
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| 236 | & Z_FAC100 * ABSA(IND0+1,IG) + & |
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| 237 | & Z_FAC010 * ABSA(IND0+9,IG) + & |
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| 238 | & Z_FAC110 * ABSA(IND0+10,IG)) |
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| 239 | ENDIF |
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| 240 | |
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| 241 | IF (Z_SPECPARM1 < 0.125_JPRB) THEN |
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| 242 | ZTAU_MAJOR1 = Z_SPECCOMB1 * & |
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| 243 | & (Z_FAC001 * ABSA(IND1,IG) + & |
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| 244 | & Z_FAC101 * ABSA(IND1+1,IG) + & |
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| 245 | & Z_FAC201 * ABSA(IND1+2,IG) + & |
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| 246 | & Z_FAC011 * ABSA(IND1+9,IG) + & |
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| 247 | & Z_FAC111 * ABSA(IND1+10,IG) + & |
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| 248 | & Z_FAC211 * ABSA(IND1+11,IG)) |
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| 249 | ELSEIF (Z_SPECPARM1 > 0.875_JPRB) THEN |
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| 250 | ZTAU_MAJOR1 = Z_SPECCOMB1 * & |
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| 251 | & (Z_FAC201 * ABSA(IND1-1,IG) + & |
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| 252 | & Z_FAC101 * ABSA(IND1,IG) + & |
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| 253 | & Z_FAC001 * ABSA(IND1+1,IG) + & |
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| 254 | & Z_FAC211 * ABSA(IND1+8,IG) + & |
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| 255 | & Z_FAC111 * ABSA(IND1+9,IG) + & |
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| 256 | & Z_FAC011 * ABSA(IND1+10,IG)) |
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| 257 | ELSE |
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| 258 | ZTAU_MAJOR1 = Z_SPECCOMB1 * & |
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| 259 | & (Z_FAC001 * ABSA(IND1,IG) + & |
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| 260 | & Z_FAC101 * ABSA(IND1+1,IG) + & |
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| 261 | & Z_FAC011 * ABSA(IND1+9,IG) + & |
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| 262 | & Z_FAC111 * ABSA(IND1+10,IG)) |
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| 263 | ENDIF |
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| 264 | |
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| 265 | |
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| 266 | P_TAU(JLON,NGS14+IG,JLAY) = ZTAU_MAJOR + ZTAU_MAJOR1 & |
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| 267 | & + ZTAUSELF + ZTAUFOR + ZTAUN2 & |
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| 268 | & + P_TAUAERL(JLON,JLAY,15) |
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| 269 | PFRAC(JLON,NGS14+IG,JLAY) = FRACREFA(IG,JPL) + Z_FPL * & |
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| 270 | & (FRACREFA(IG,JPL+1) - FRACREFA(IG,JPL)) |
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| 271 | ENDDO |
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| 272 | !-- jjm20110728 |
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| 273 | !-- DS_990714 |
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| 274 | ENDIF |
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| 275 | |
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| 276 | IF (JLAY > K_LAYTROP(JLON)) THEN |
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| 277 | DO IG = 1, NG15 |
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| 278 | !-- jjm20110728 re-establishing the loop instead of specified IG to allow a flexible number of NG15 |
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| 279 | !-- DS_990714 |
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| 280 | P_TAU(JLON,NGS14+IG,JLAY) = P_TAUAERL(JLON,JLAY,15) |
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| 281 | PFRAC(JLON,NGS14+IG,JLAY) = 0.0_JPRB |
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| 282 | ENDDO |
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| 283 | !-- jjm20110728 |
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| 284 | !-- DS_990714 |
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| 285 | ENDIF |
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| 286 | ENDDO |
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| 287 | ENDDO |
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| 288 | |
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| 289 | IF (LHOOK) CALL DR_HOOK('RRTM_TAUMOL15',1,ZHOOK_HANDLE) |
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| 290 | |
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| 291 | END ASSOCIATE |
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| 292 | END SUBROUTINE RRTM_TAUMOL15 |
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