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SUBROUTINE SRTM_SETCOEF & |
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& ( KLEV , KNMOL ,& |
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& PAVEL , PTAVEL , PZ , PTZ , PTBOUND ,& |
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& PCOLDRY , PWKL ,& |
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& KLAYTROP, KLAYSWTCH, KLAYLOW ,& |
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& PCO2MULT, PCOLCH4 , PCOLCO2 , PCOLH2O , PCOLMOL , PCOLN2O , PCOLO2 , PCOLO3 ,& |
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& PFORFAC , PFORFRAC , KINDFOR , PSELFFAC, PSELFFRAC, KINDSELF ,& |
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& PFAC00 , PFAC01 , PFAC10 , PFAC11 ,& |
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& KJP , KJT , KJT1 & |
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& ) |
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! J. Delamere, AER, Inc. (version 2.5, 02/04/01) |
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! Modifications: |
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! JJMorcrette 030224 rewritten / adapted to ECMWF F90 system |
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! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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! Purpose: For a given atmosphere, calculate the indices and |
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! fractions related to the pressure and temperature interpolations. |
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USE PARKIND1 ,ONLY : JPIM ,JPRB |
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USE YOMHOOK ,ONLY : LHOOK, DR_HOOK |
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USE PARSRTM , ONLY : JPLAY |
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USE YOESRTWN, ONLY : PREFLOG, TREF |
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!! USE YOESWN , ONLY : NDBUG |
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IMPLICIT NONE |
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!-- Input arguments |
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INTEGER(KIND=JPIM),INTENT(IN) :: KLEV |
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INTEGER(KIND=JPIM) :: KNMOL ! Argument NOT used |
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REAL(KIND=JPRB) ,INTENT(IN) :: PAVEL(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(IN) :: PTAVEL(JPLAY) |
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REAL(KIND=JPRB) :: PZ(0:JPLAY) ! Argument NOT used |
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REAL(KIND=JPRB) ,INTENT(IN) :: PTZ(0:JPLAY) |
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REAL(KIND=JPRB) ,INTENT(IN) :: PTBOUND |
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REAL(KIND=JPRB) ,INTENT(IN) :: PCOLDRY(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(IN) :: PWKL(35,JPLAY) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KLAYTROP |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KLAYSWTCH |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KLAYLOW |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCO2MULT(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLCH4(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLCO2(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLH2O(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLMOL(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLN2O(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLO2(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCOLO3(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PFORFAC(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PFORFRAC(JPLAY) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KINDFOR(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PSELFFAC(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PSELFFRAC(JPLAY) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KINDSELF(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PFAC00(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PFAC01(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PFAC10(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PFAC11(JPLAY) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KJP(JPLAY) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KJT(JPLAY) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KJT1(JPLAY) |
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!-- Output arguments |
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!-- local integers |
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INTEGER(KIND=JPIM) :: I_NLAYERS, INDBOUND, INDLEV0, JK |
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INTEGER(KIND=JPIM) :: JP1 |
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!-- local reals |
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REAL(KIND=JPRB) :: Z_STPFAC, Z_TBNDFRAC, Z_T0FRAC, Z_PLOG, Z_FP, Z_FT, Z_FT1, Z_WATER, Z_SCALEFAC |
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REAL(KIND=JPRB) :: Z_FACTOR, Z_CO2REG, Z_COMPFP |
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REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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IF (LHOOK) CALL DR_HOOK('SRTM_SETCOEF',0,ZHOOK_HANDLE) |
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I_NLAYERS = KLEV |
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Z_STPFAC = 296._JPRB/1013._JPRB |
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INDBOUND = PTBOUND - 159._JPRB |
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Z_TBNDFRAC = PTBOUND - INT(PTBOUND) |
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INDLEV0 = PTZ(0) - 159._JPRB |
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Z_T0FRAC = PTZ(0) - INT(PTZ(0)) |
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KLAYTROP = 0 |
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KLAYSWTCH = 0 |
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KLAYLOW = 0 |
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!IF (NDBUG.LE.3) THEN |
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! print *,'-------- Computed in SETCOEF --------' |
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! print 8990 |
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8990 format(18x,' T PFAC00, 01, 10, 11 PCO2MULT MOL & |
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& CH4 CO2 H2O N2O O2 O3 SFAC & |
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& SFRAC FFAC FFRAC ISLF IFOR') |
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!END IF |
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DO JK = 1, I_NLAYERS |
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! Find the two reference pressures on either side of the |
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! layer pressure. Store them in JP and JP1. Store in FP the |
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! fraction of the difference (in ln(pressure)) between these |
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! two values that the layer pressure lies. |
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Z_PLOG = LOG(PAVEL(JK)) |
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KJP(JK) = INT(36. - 5*(Z_PLOG+0.04)) |
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IF (KJP(JK) < 1) THEN |
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KJP(JK) = 1 |
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ELSEIF (KJP(JK) > 58) THEN |
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KJP(JK) = 58 |
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ENDIF |
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JP1 = KJP(JK) + 1 |
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Z_FP = 5. * (PREFLOG(KJP(JK)) - Z_PLOG) |
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! Determine, for each reference pressure (JP and JP1), which |
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! reference temperature (these are different for each |
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! reference pressure) is nearest the layer temperature but does |
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! not exceed it. Store these indices in JT and JT1, resp. |
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! Store in FT (resp. FT1) the fraction of the way between JT |
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! (JT1) and the next highest reference temperature that the |
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! layer temperature falls. |
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KJT(JK) = INT(3. + (PTAVEL(JK)-TREF(KJP(JK)))/15.) |
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IF (KJT(JK) < 1) THEN |
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KJT(JK) = 1 |
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ELSEIF (KJT(JK) > 4) THEN |
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KJT(JK) = 4 |
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ENDIF |
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Z_FT = ((PTAVEL(JK)-TREF(KJP(JK)))/15.) - REAL(KJT(JK)-3) |
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KJT1(JK) = INT(3. + (PTAVEL(JK)-TREF(JP1))/15.) |
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IF (KJT1(JK) < 1) THEN |
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KJT1(JK) = 1 |
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ELSEIF (KJT1(JK) > 4) THEN |
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KJT1(JK) = 4 |
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ENDIF |
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Z_FT1 = ((PTAVEL(JK)-TREF(JP1))/15.) - REAL(KJT1(JK)-3) |
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Z_WATER = PWKL(1,JK)/PCOLDRY(JK) |
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Z_SCALEFAC = PAVEL(JK) * Z_STPFAC / PTAVEL(JK) |
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! If the pressure is less than ~100mb, perform a different |
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! set of species interpolations. |
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IF (Z_PLOG <= 4.56) GO TO 5300 |
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KLAYTROP = KLAYTROP + 1 |
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IF (Z_PLOG >= 6.62) KLAYLOW = KLAYLOW + 1 |
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! Set up factors needed to separately include the water vapor |
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! foreign-continuum in the calculation of absorption coefficient. |
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PFORFAC(JK) = Z_SCALEFAC / (1.+Z_WATER) |
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Z_FACTOR = (332.0-PTAVEL(JK))/36.0 |
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KINDFOR(JK) = MIN(2, MAX(1, INT(Z_FACTOR))) |
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PFORFRAC(JK) = Z_FACTOR - REAL(KINDFOR(JK)) |
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! Set up factors needed to separately include the water vapor |
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! self-continuum in the calculation of absorption coefficient. |
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PSELFFAC(JK) = Z_WATER * PFORFAC(JK) |
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Z_FACTOR = (PTAVEL(JK)-188.0)/7.2 |
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KINDSELF(JK) = MIN(9, MAX(1, INT(Z_FACTOR)-7)) |
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PSELFFRAC(JK) = Z_FACTOR - REAL(KINDSELF(JK) + 7) |
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! Calculate needed column amounts. |
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PCOLH2O(JK) = 1.E-20 * PWKL(1,JK) |
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PCOLCO2(JK) = 1.E-20 * PWKL(2,JK) |
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PCOLO3(JK) = 1.E-20 * PWKL(3,JK) |
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! COLO3(LAY) = 0. |
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! COLO3(LAY) = colo3(lay)/1.16 |
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PCOLN2O(JK) = 1.E-20 * PWKL(4,JK) |
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PCOLCH4(JK) = 1.E-20 * PWKL(6,JK) |
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PCOLO2(JK) = 1.E-20 * PWKL(7,JK) |
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PCOLMOL(JK) = 1.E-20 * PCOLDRY(JK) + PCOLH2O(JK) |
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! colco2(lay) = 0. |
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! colo3(lay) = 0. |
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! coln2o(lay) = 0. |
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! colch4(lay) = 0. |
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! colo2(lay) = 0. |
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! colmol(lay) = 0. |
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IF (PCOLCO2(JK) == 0.) PCOLCO2(JK) = 1.E-32 * PCOLDRY(JK) |
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IF (PCOLN2O(JK) == 0.) PCOLN2O(JK) = 1.E-32 * PCOLDRY(JK) |
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IF (PCOLCH4(JK) == 0.) PCOLCH4(JK) = 1.E-32 * PCOLDRY(JK) |
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IF (PCOLO2(JK) == 0.) PCOLO2(JK) = 1.E-32 * PCOLDRY(JK) |
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! Using E = 1334.2 cm-1. |
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Z_CO2REG = 3.55E-24 * PCOLDRY(JK) |
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PCO2MULT(JK)= (PCOLCO2(JK) - Z_CO2REG) * & |
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& 272.63*EXP(-1919.4/PTAVEL(JK))/(8.7604E-4*PTAVEL(JK)) |
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GO TO 5400 |
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! Above LAYTROP. |
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5300 CONTINUE |
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! Set up factors needed to separately include the water vapor |
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! foreign-continuum in the calculation of absorption coefficient. |
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PFORFAC(JK) = Z_SCALEFAC / (1.+Z_WATER) |
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Z_FACTOR = (PTAVEL(JK)-188.0)/36.0 |
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KINDFOR(JK) = 3 |
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PFORFRAC(JK) = Z_FACTOR - 1.0 |
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! Calculate needed column amounts. |
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PCOLH2O(JK) = 1.E-20 * PWKL(1,JK) |
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PCOLCO2(JK) = 1.E-20 * PWKL(2,JK) |
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PCOLO3(JK) = 1.E-20 * PWKL(3,JK) |
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PCOLN2O(JK) = 1.E-20 * PWKL(4,JK) |
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PCOLCH4(JK) = 1.E-20 * PWKL(6,JK) |
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PCOLO2(JK) = 1.E-20 * PWKL(7,JK) |
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PCOLMOL(JK) = 1.E-20 * PCOLDRY(JK) + PCOLH2O(JK) |
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IF (PCOLCO2(JK) == 0.) PCOLCO2(JK) = 1.E-32 * PCOLDRY(JK) |
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IF (PCOLN2O(JK) == 0.) PCOLN2O(JK) = 1.E-32 * PCOLDRY(JK) |
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IF (PCOLCH4(JK) == 0.) PCOLCH4(JK) = 1.E-32 * PCOLDRY(JK) |
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IF (PCOLO2(JK) == 0.) PCOLO2(JK) = 1.E-32 * PCOLDRY(JK) |
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Z_CO2REG = 3.55E-24 * PCOLDRY(JK) |
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PCO2MULT(JK)= (PCOLCO2(JK) - Z_CO2REG) * & |
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& 272.63*EXP(-1919.4/PTAVEL(JK))/(8.7604E-4*PTAVEL(JK)) |
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PSELFFAC(JK) =0.0_JPRB |
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PSELFFRAC(JK)=0.0_JPRB |
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KINDSELF(JK) = 0 |
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5400 CONTINUE |
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! We have now isolated the layer ln pressure and temperature, |
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! between two reference pressures and two reference temperatures |
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! (for each reference pressure). We multiply the pressure |
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! fraction FP with the appropriate temperature fractions to get |
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! the factors that will be needed for the interpolation that yields |
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! the optical depths (performed in routines TAUGBn for band n). |
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Z_COMPFP = 1. - Z_FP |
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PFAC10(JK) = Z_COMPFP * Z_FT |
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PFAC00(JK) = Z_COMPFP * (1. - Z_FT) |
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PFAC11(JK) = Z_FP * Z_FT1 |
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PFAC01(JK) = Z_FP * (1. - Z_FT1) |
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! IF (NDBUG.LE.3) THEN |
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! print 9000,LAY,LAYTROP,JP(LAY),JT(LAY),JT1(LAY),TAVEL(LAY) & |
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! &,FAC00(LAY),FAC01(LAY),FAC10(LAY),FAC11(LAY) & |
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! &,CO2MULT(LAY),COLMOL(LAY),COLCH4(LAY),COLCO2(LAY),COLH2O(LAY) & |
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! &,COLN2O(LAY),COLO2(LAY),COLO3(LAY),SELFFAC(LAY),SELFFRAC(LAY) & |
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! &,FORFAC(LAY),FORFRAC(LAY),INDSELF(LAY),INDFOR(LAY) |
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9000 format(1x,2I3,3I4,F6.1,4F7.2,12E9.2,2I5) |
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! END IF |
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ENDDO |
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!----------------------------------------------------------------------- |
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IF (LHOOK) CALL DR_HOOK('SRTM_SETCOEF',1,ZHOOK_HANDLE) |
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END SUBROUTINE SRTM_SETCOEF |
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