[3880] | 1 | SUBROUTINE SRTM_SETCOEF & |
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| 2 | & ( KIDIA , KFDIA , KLEV ,& |
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| 3 | & PAVEL , PTAVEL ,& |
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| 4 | & PCOLDRY , PWKL ,& |
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| 5 | & KLAYTROP,& |
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| 6 | & PCOLCH4 , PCOLCO2 , PCOLH2O , PCOLMOL , PCOLO2 , PCOLO3 ,& |
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| 7 | & PFORFAC , PFORFRAC , KINDFOR , PSELFFAC, PSELFFRAC, KINDSELF ,& |
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| 8 | & PFAC00 , PFAC01 , PFAC10 , PFAC11 ,& |
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| 9 | & KJP , KJT , KJT1 , PRMU0 & |
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| 10 | & ) |
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| 11 | |
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| 12 | ! J. Delamere, AER, Inc. (version 2.5, 02/04/01) |
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| 13 | |
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| 14 | ! Modifications: |
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| 15 | ! JJMorcrette 030224 rewritten / adapted to ECMWF F90 system |
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| 16 | ! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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| 17 | ! D.Salmond 31-Oct-2007 Vector version in the style of RRTM from Meteo France & NEC |
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| 18 | |
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| 19 | ! Purpose: For a given atmosphere, calculate the indices and |
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| 20 | ! fractions related to the pressure and temperature interpolations. |
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| 21 | |
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| 22 | USE PARKIND1 , ONLY : JPIM, JPRB |
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| 23 | USE YOMHOOK , ONLY : LHOOK, DR_HOOK |
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| 24 | USE YOESRTWN , ONLY : PREFLOG, TREF |
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| 25 | !! USE YOESWN , ONLY : NDBUG |
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| 26 | |
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| 27 | IMPLICIT NONE |
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| 28 | |
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| 29 | !-- Input arguments |
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| 30 | |
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| 31 | INTEGER(KIND=JPIM),INTENT(IN) :: KIDIA, KFDIA |
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| 32 | INTEGER(KIND=JPIM),INTENT(IN) :: KLEV |
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| 33 | REAL(KIND=JPRB) ,INTENT(IN) :: PAVEL(KIDIA:KFDIA,KLEV) |
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| 34 | REAL(KIND=JPRB) ,INTENT(IN) :: PTAVEL(KIDIA:KFDIA,KLEV) |
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| 35 | REAL(KIND=JPRB) ,INTENT(IN) :: PCOLDRY(KIDIA:KFDIA,KLEV) |
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| 36 | REAL(KIND=JPRB) ,INTENT(IN) :: PWKL(KIDIA:KFDIA,35,KLEV) |
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| 37 | INTEGER(KIND=JPIM),INTENT(OUT) :: KLAYTROP(KIDIA:KFDIA) |
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| 38 | REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLCH4(KIDIA:KFDIA,KLEV) |
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| 39 | REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLCO2(KIDIA:KFDIA,KLEV) |
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| 40 | REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLH2O(KIDIA:KFDIA,KLEV) |
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| 41 | REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLMOL(KIDIA:KFDIA,KLEV) |
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| 42 | REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLO2(KIDIA:KFDIA,KLEV) |
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| 43 | REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLO3(KIDIA:KFDIA,KLEV) |
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| 44 | REAL(KIND=JPRB) ,INTENT(OUT) :: PFORFAC(KIDIA:KFDIA,KLEV) |
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| 45 | REAL(KIND=JPRB) ,INTENT(OUT) :: PFORFRAC(KIDIA:KFDIA,KLEV) |
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| 46 | INTEGER(KIND=JPIM),INTENT(OUT) :: KINDFOR(KIDIA:KFDIA,KLEV) |
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| 47 | REAL(KIND=JPRB) ,INTENT(OUT) :: PSELFFAC(KIDIA:KFDIA,KLEV) |
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| 48 | REAL(KIND=JPRB) ,INTENT(OUT) :: PSELFFRAC(KIDIA:KFDIA,KLEV) |
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| 49 | INTEGER(KIND=JPIM),INTENT(OUT) :: KINDSELF(KIDIA:KFDIA,KLEV) |
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| 50 | REAL(KIND=JPRB) ,INTENT(OUT) :: PFAC00(KIDIA:KFDIA,KLEV) |
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| 51 | REAL(KIND=JPRB) ,INTENT(OUT) :: PFAC01(KIDIA:KFDIA,KLEV) |
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| 52 | REAL(KIND=JPRB) ,INTENT(OUT) :: PFAC10(KIDIA:KFDIA,KLEV) |
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| 53 | REAL(KIND=JPRB) ,INTENT(OUT) :: PFAC11(KIDIA:KFDIA,KLEV) |
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| 54 | INTEGER(KIND=JPIM),INTENT(OUT) :: KJP(KIDIA:KFDIA,KLEV) |
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| 55 | INTEGER(KIND=JPIM),INTENT(OUT) :: KJT(KIDIA:KFDIA,KLEV) |
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| 56 | INTEGER(KIND=JPIM),INTENT(OUT) :: KJT1(KIDIA:KFDIA,KLEV) |
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| 57 | REAL(KIND=JPRB) ,INTENT(IN) :: PRMU0(KIDIA:KFDIA) |
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| 58 | !-- Output arguments |
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| 59 | |
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| 60 | !-- local integers |
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| 61 | |
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| 62 | INTEGER(KIND=JPIM) :: I_NLAYERS, JK, JL, JP1 |
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| 63 | |
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| 64 | !-- local reals |
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| 65 | |
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| 66 | REAL(KIND=JPRB) :: Z_STPFAC, Z_PLOG |
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| 67 | REAL(KIND=JPRB) :: Z_FP, Z_FT, Z_FT1, Z_WATER, Z_SCALEFAC |
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| 68 | REAL(KIND=JPRB) :: Z_FACTOR, Z_CO2REG, Z_COMPFP |
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| 69 | !REAL(KIND=JPRB) :: Z_TBNDFRAC, Z_T0FRAC |
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| 70 | REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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| 71 | |
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| 72 | |
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| 73 | |
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| 74 | |
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| 75 | ASSOCIATE(NFLEVG=>KLEV) |
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| 76 | IF (LHOOK) CALL DR_HOOK('SRTM_SETCOEF',0,ZHOOK_HANDLE) |
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| 77 | |
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| 78 | Z_STPFAC = 296._JPRB/1013._JPRB |
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| 79 | I_NLAYERS = KLEV |
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| 80 | |
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| 81 | DO JL = KIDIA, KFDIA |
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| 82 | IF (PRMU0(JL) > 0.0_JPRB) THEN |
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| 83 | KLAYTROP(JL) = 0 |
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| 84 | ENDIF |
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| 85 | ENDDO |
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| 86 | |
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| 87 | DO JK = 1, I_NLAYERS |
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| 88 | DO JL = KIDIA, KFDIA |
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| 89 | IF (PRMU0(JL) > 0.0_JPRB) THEN |
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| 90 | ! Find the two reference pressures on either side of the |
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| 91 | ! layer pressure. Store them in JP and JP1. Store in FP the |
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| 92 | ! fraction of the difference (in ln(pressure)) between these |
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| 93 | ! two values that the layer pressure lies. |
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| 94 | |
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| 95 | Z_PLOG = LOG(PAVEL(JL,JK)) |
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| 96 | KJP(JL,JK) = INT(36._JPRB - 5._JPRB*(Z_PLOG+0.04_JPRB)) |
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| 97 | IF (KJP(JL,JK) < 1) THEN |
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| 98 | KJP(JL,JK) = 1 |
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| 99 | ELSEIF (KJP(JL,JK) > 58) THEN |
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| 100 | KJP(JL,JK) = 58 |
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| 101 | ENDIF |
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| 102 | JP1 = KJP(JL,JK) + 1 |
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| 103 | Z_FP = 5. * (PREFLOG(KJP(JL,JK)) - Z_PLOG) |
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| 104 | |
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| 105 | ! Determine, for each reference pressure (JP and JP1), which |
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| 106 | ! reference temperature (these are different for each |
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| 107 | ! reference pressure) is nearest the layer temperature but does |
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| 108 | ! not exceed it. Store these indices in JT and JT1, resp. |
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| 109 | ! Store in FT (resp. FT1) the fraction of the way between JT |
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| 110 | ! (JT1) and the next highest reference temperature that the |
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| 111 | ! layer temperature falls. |
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| 112 | |
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| 113 | KJT(JL,JK) = INT(3. + (PTAVEL(JL,JK)-TREF(KJP(JL,JK)))/15.) |
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| 114 | IF (KJT(JL,JK) < 1) THEN |
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| 115 | KJT(JL,JK) = 1 |
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| 116 | ELSEIF (KJT(JL,JK) > 4) THEN |
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| 117 | KJT(JL,JK) = 4 |
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| 118 | ENDIF |
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| 119 | Z_FT = ((PTAVEL(JL,JK)-TREF(KJP(JL,JK)))/15.) - REAL(KJT(JL,JK)-3) |
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| 120 | KJT1(JL,JK) = INT(3. + (PTAVEL(JL,JK)-TREF(JP1))/15.) |
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| 121 | IF (KJT1(JL,JK) < 1) THEN |
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| 122 | KJT1(JL,JK) = 1 |
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| 123 | ELSEIF (KJT1(JL,JK) > 4) THEN |
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| 124 | KJT1(JL,JK) = 4 |
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| 125 | ENDIF |
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| 126 | Z_FT1 = ((PTAVEL(JL,JK)-TREF(JP1))/15.) - REAL(KJT1(JL,JK)-3) |
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| 127 | |
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| 128 | Z_WATER = PWKL(JL,1,JK)/PCOLDRY(JL,JK) |
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| 129 | Z_SCALEFAC = PAVEL(JL,JK) * Z_STPFAC / PTAVEL(JL,JK) |
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| 130 | |
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| 131 | ! If the pressure is less than ~100mb, perform a different |
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| 132 | ! set of species interpolations. |
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| 133 | |
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| 134 | IF (Z_PLOG <= 4.56_JPRB) GO TO 5300 |
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| 135 | KLAYTROP(JL) = KLAYTROP(JL) + 1 |
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| 136 | |
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| 137 | ! Set up factors needed to separately include the water vapor |
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| 138 | ! foreign-continuum in the calculation of absorption coefficient. |
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| 139 | |
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| 140 | PFORFAC(JL,JK) = Z_SCALEFAC / (1.+Z_WATER) |
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| 141 | Z_FACTOR = (332.0-PTAVEL(JL,JK))/36.0 |
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| 142 | KINDFOR(JL,JK) = MIN(2, MAX(1, INT(Z_FACTOR))) |
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| 143 | PFORFRAC(JL,JK) = Z_FACTOR - REAL(KINDFOR(JL,JK)) |
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| 144 | |
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| 145 | ! Set up factors needed to separately include the water vapor |
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| 146 | ! self-continuum in the calculation of absorption coefficient. |
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| 147 | |
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| 148 | PSELFFAC(JL,JK) = Z_WATER * PFORFAC(JL,JK) |
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| 149 | Z_FACTOR = (PTAVEL(JL,JK)-188.0)/7.2 |
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| 150 | KINDSELF(JL,JK) = MIN(9, MAX(1, INT(Z_FACTOR)-7)) |
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| 151 | PSELFFRAC(JL,JK) = Z_FACTOR - REAL(KINDSELF(JL,JK) + 7) |
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| 152 | |
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| 153 | ! Calculate needed column amounts. |
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| 154 | |
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| 155 | PCOLH2O(JL,JK) = 1.E-20 * PWKL(JL,1,JK) |
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| 156 | PCOLCO2(JL,JK) = 1.E-20 * PWKL(JL,2,JK) |
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| 157 | PCOLO3(JL,JK) = 1.E-20 * PWKL(JL,3,JK) |
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| 158 | ! COLO3(LAY) = 0. |
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| 159 | ! COLO3(LAY) = colo3(lay)/1.16 |
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| 160 | PCOLCH4(JL,JK) = 1.E-20 * PWKL(JL,6,JK) |
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| 161 | PCOLO2(JL,JK) = 1.E-20 * PWKL(JL,7,JK) |
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| 162 | PCOLMOL(JL,JK) = 1.E-20 * PCOLDRY(JL,JK) + PCOLH2O(JL,JK) |
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| 163 | ! colco2(lay) = 0. |
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| 164 | ! colo3(lay) = 0. |
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| 165 | ! colch4(lay) = 0. |
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| 166 | ! colo2(lay) = 0. |
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| 167 | ! colmol(lay) = 0. |
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| 168 | IF (PCOLCO2(JL,JK) == 0.) PCOLCO2(JL,JK) = 1.E-32 * PCOLDRY(JL,JK) |
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| 169 | IF (PCOLCH4(JL,JK) == 0.) PCOLCH4(JL,JK) = 1.E-32 * PCOLDRY(JL,JK) |
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| 170 | IF (PCOLO2(JL,JK) == 0.) PCOLO2(JL,JK) = 1.E-32 * PCOLDRY(JL,JK) |
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| 171 | ! Using E = 1334.2 cm-1. |
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| 172 | Z_CO2REG = 3.55E-24 * PCOLDRY(JL,JK) |
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| 173 | GO TO 5400 |
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| 174 | |
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| 175 | ! Above LAYTROP. |
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| 176 | 5300 CONTINUE |
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| 177 | |
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| 178 | ! Set up factors needed to separately include the water vapor |
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| 179 | ! foreign-continuum in the calculation of absorption coefficient. |
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| 180 | |
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| 181 | PFORFAC(JL,JK) = Z_SCALEFAC / (1.+Z_WATER) |
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| 182 | Z_FACTOR = (PTAVEL(JL,JK)-188.0)/36.0 |
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| 183 | KINDFOR(JL,JK) = 3 |
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| 184 | PFORFRAC(JL,JK) = Z_FACTOR - 1.0 |
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| 185 | |
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| 186 | ! Calculate needed column amounts. |
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| 187 | |
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| 188 | PCOLH2O(JL,JK) = 1.E-20 * PWKL(JL,1,JK) |
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| 189 | PCOLCO2(JL,JK) = 1.E-20 * PWKL(JL,2,JK) |
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| 190 | PCOLO3(JL,JK) = 1.E-20 * PWKL(JL,3,JK) |
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| 191 | PCOLCH4(JL,JK) = 1.E-20 * PWKL(JL,6,JK) |
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| 192 | PCOLO2(JL,JK) = 1.E-20 * PWKL(JL,7,JK) |
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| 193 | PCOLMOL(JL,JK) = 1.E-20 * PCOLDRY(JL,JK) + PCOLH2O(JL,JK) |
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| 194 | IF (PCOLCO2(JL,JK) == 0.) PCOLCO2(JL,JK) = 1.E-32 * PCOLDRY(JL,JK) |
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| 195 | IF (PCOLCH4(JL,JK) == 0.) PCOLCH4(JL,JK) = 1.E-32 * PCOLDRY(JL,JK) |
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| 196 | IF (PCOLO2(JL,JK) == 0.) PCOLO2(JL,JK) = 1.E-32 * PCOLDRY(JL,JK) |
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| 197 | Z_CO2REG = 3.55E-24 * PCOLDRY(JL,JK) |
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| 198 | |
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| 199 | PSELFFAC(JL,JK) =0.0_JPRB |
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| 200 | PSELFFRAC(JL,JK)=0.0_JPRB |
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| 201 | KINDSELF(JL,JK) = 0 |
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| 202 | |
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| 203 | 5400 CONTINUE |
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| 204 | |
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| 205 | ! We have now isolated the layer ln pressure and temperature, |
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| 206 | ! between two reference pressures and two reference temperatures |
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| 207 | ! (for each reference pressure). We multiply the pressure |
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| 208 | ! fraction FP with the appropriate temperature fractions to get |
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| 209 | ! the factors that will be needed for the interpolation that yields |
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| 210 | ! the optical depths (performed in routines TAUGBn for band n). |
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| 211 | |
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| 212 | Z_COMPFP = 1. - Z_FP |
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| 213 | PFAC10(JL,JK) = Z_COMPFP * Z_FT |
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| 214 | PFAC00(JL,JK) = Z_COMPFP * (1. - Z_FT) |
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| 215 | PFAC11(JL,JK) = Z_FP * Z_FT1 |
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| 216 | PFAC01(JL,JK) = Z_FP * (1. - Z_FT1) |
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| 217 | |
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| 218 | ! IF (NDBUG.LE.3) THEN |
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| 219 | ! print 9000,LAY,LAYTROP,JP(LAY),JT(LAY),JT1(LAY),TAVEL(LAY) & |
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| 220 | ! &,FAC00(LAY),FAC01(LAY),FAC10(LAY),FAC11(LAY) & |
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| 221 | ! &,COLMOL(LAY),COLCH4(LAY),COLCO2(LAY),COLH2O(LAY) & |
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| 222 | ! &,COLO2(LAY),COLO3(LAY),SELFFAC(LAY),SELFFRAC(LAY) & |
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| 223 | ! &,FORFAC(LAY),FORFRAC(LAY),INDSELF(LAY),INDFOR(LAY) |
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| 224 | 9000 format(1x,2I3,3I4,F6.1,4F7.2,12E9.2,2I5) |
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| 225 | ! ENDIF |
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| 226 | |
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| 227 | ENDIF |
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| 228 | ENDDO |
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| 229 | ENDDO |
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| 230 | |
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| 231 | !----------------------------------------------------------------------- |
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| 232 | IF (LHOOK) CALL DR_HOOK('SRTM_SETCOEF',1,ZHOOK_HANDLE) |
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| 233 | END ASSOCIATE |
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| 234 | END SUBROUTINE SRTM_SETCOEF |
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