!******************************************************************************* SUBROUTINE RRTM_TAUMOL8 (KIDIA,KFDIA,KLEV,P_TAU,P_WX,& & P_TAUAERL,P_FAC00,P_FAC01,P_FAC10,P_FAC11,P_FORFAC,P_FORFRAC,K_INDFOR,K_JP,K_JT,K_JT1,& & P_COLH2O,P_COLO3,P_COLN2O,P_COLCO2,P_COLDRY,K_LAYTROP,P_SELFFAC,P_SELFFRAC,K_INDSELF,PFRAC, & & PMINORFRAC,KINDMINOR) ! BAND 8: 1080-1180 cm-1 (low (i.e.>~300mb) - H2O; high - O3) ! AUTHOR. ! ------- ! JJMorcrette, ECMWF ! MODIFICATIONS. ! -------------- ! M.Hamrud 01-Oct-2003 CY28 Cleaning ! NEC 25-Oct-2007 Optimisations ! JJMorcrette 20110613 flexible number of g-points ! ABozzo 201306 updated to rrtmg v4.85 ! band 8: 1080-1180 cm-1 (low key - h2o; low minor - co2,o3,n2o) ! (high key - o3; high minor - co2, n2o) ! --------------------------------------------------------------------------- USE PARKIND1 ,ONLY : JPIM ,JPRB USE YOMHOOK ,ONLY : LHOOK, DR_HOOK, JPHOOK USE PARRRTM , ONLY : JPBAND ,JPXSEC USE YOERRTM , ONLY : JPGPT ,NG8 ,NGS7 USE YOERRTWN , ONLY : NSPA ,NSPB USE YOERRTA8 , ONLY : ABSA ,ABSB ,FRACREFA, FRACREFB,SELFREF,KA_MCO2 ,KB_MCO2 ,& & KA_MN2O , KB_MN2O,KA_MO3,CFC12 ,CFC22ADJ,FORREF USE YOERRTRF, ONLY : CHI_MLS IMPLICIT NONE INTEGER(KIND=JPIM),INTENT(IN) :: KIDIA INTEGER(KIND=JPIM),INTENT(IN) :: KFDIA INTEGER(KIND=JPIM),INTENT(IN) :: KLEV REAL(KIND=JPRB) ,INTENT(OUT) :: P_TAU(KIDIA:KFDIA,JPGPT,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_WX(KIDIA:KFDIA,JPXSEC,KLEV) ! Amount of trace gases REAL(KIND=JPRB) ,INTENT(IN) :: P_TAUAERL(KIDIA:KFDIA,KLEV,JPBAND) REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC00(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC01(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC10(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_FAC11(KIDIA:KFDIA,KLEV) INTEGER(KIND=JPIM),INTENT(IN) :: K_JP(KIDIA:KFDIA,KLEV) INTEGER(KIND=JPIM),INTENT(IN) :: K_JT(KIDIA:KFDIA,KLEV) INTEGER(KIND=JPIM),INTENT(IN) :: K_JT1(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_COLH2O(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_COLO3(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_COLN2O(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_COLCO2(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_COLDRY(KIDIA:KFDIA,KLEV) INTEGER(KIND=JPIM),INTENT(IN) :: K_LAYTROP(KIDIA:KFDIA) REAL(KIND=JPRB) ,INTENT(IN) :: P_SELFFAC(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_SELFFRAC(KIDIA:KFDIA,KLEV) INTEGER(KIND=JPIM),INTENT(IN) :: K_INDSELF(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(OUT) :: PFRAC(KIDIA:KFDIA,JPGPT,KLEV) INTEGER(KIND=JPIM),INTENT(IN) :: K_INDFOR(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_FORFRAC(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: P_FORFAC(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: PMINORFRAC(KIDIA:KFDIA,KLEV) INTEGER(KIND=JPIM),INTENT(IN) :: KINDMINOR(KIDIA:KFDIA,KLEV) ! --------------------------------------------------------------------------- INTEGER(KIND=JPIM) :: IND0(KLEV),IND1(KLEV),INDS(KLEV),INDF(KLEV),INDM(KLEV) INTEGER(KIND=JPIM) :: IG, JLAY INTEGER(KIND=JPIM) :: JLON REAL(KIND=JPRB) :: ZCHI_CO2, ZRATCO2, ZADJFAC, ZADJCOLCO2(KIDIA:KFDIA,KLEV) REAL(KIND=JPRB) :: ZTAUFOR,ZTAUSELF, ZABSO3, ZABSCO2, ZABSN2O REAL(KIND=JPHOOK) :: ZHOOK_HANDLE ! Minor gas mapping level: ! lower - co2, p = 1053.63 mb, t = 294.2 k ! lower - o3, p = 317.348 mb, t = 240.77 k ! lower - n2o, p = 706.2720 mb, t= 278.94 k ! lower - cfc12,cfc11 ! upper - co2, p = 35.1632 mb, t = 223.28 k ! upper - n2o, p = 8.716e-2 mb, t = 226.03 k ! Compute the optical depth by interpolating in ln(pressure) and ! temperature, and appropriate species. Below laytrop, the water vapor ! self-continuum and foreign continuum is interpolated (in temperature) ! separately. ASSOCIATE(NFLEVG=>KLEV) IF (LHOOK) CALL DR_HOOK('RRTM_TAUMOL8',0,ZHOOK_HANDLE) DO JLAY = 1, KLEV DO JLON = KIDIA, KFDIA IF (JLAY <= K_LAYTROP(JLON)) THEN ! In atmospheres where the amount of CO2 is too great to be considered ! a minor species, adjust the column amount of CO2 by an empirical factor ! to obtain the proper contribution. ZCHI_CO2 = P_COLCO2(JLON,JLAY)/P_COLDRY(JLON,JLAY) ZRATCO2 = 1.E20_JPRB*ZCHI_CO2/CHI_MLS(2,K_JP(JLON,JLAY)+1) IF (ZRATCO2 > 3.0_JPRB) THEN ZADJFAC = 2.0_JPRB+(ZRATCO2-2.0_JPRB)**0.65_JPRB ZADJCOLCO2(JLON,JLAY) = ZADJFAC*CHI_MLS(2,K_JP(JLON,JLAY)+1)*P_COLDRY(JLON,JLAY)*1.E-20_JPRB ELSE ZADJCOLCO2(JLON,JLAY) = P_COLCO2(JLON,JLAY) ENDIF IND0(JLAY) = ((K_JP(JLON,JLAY)-1)*5+(K_JT(JLON,JLAY)-1))*NSPA(8) + 1 IND1(JLAY) = (K_JP(JLON,JLAY)*5+(K_JT1(JLON,JLAY)-1))*NSPA(8) + 1 INDS(JLAY) = K_INDSELF(JLON,JLAY) INDF(JLAY) = K_INDFOR(JLON,JLAY) INDM(JLAY) = KINDMINOR(JLON,JLAY) !-- DS_000515 !CDIR UNROLL=NG8 DO IG = 1, NG8 !-- DS_000515 ZTAUSELF = P_SELFFAC(JLON,JLAY)* (SELFREF(INDS(JLAY),IG) + P_SELFFRAC(JLON,JLAY) * & & (SELFREF(INDS(JLAY)+1,IG) - SELFREF(INDS(JLAY),IG))) ZTAUFOR = P_FORFAC(JLON,JLAY) * (FORREF(INDF(JLAY),IG) + P_FORFRAC(JLON,JLAY) * & & (FORREF(INDF(JLAY)+1,IG) - FORREF(INDF(JLAY),IG))) ZABSCO2 = (KA_MCO2(INDM(JLAY),IG) + PMINORFRAC(JLON,JLAY) * & & (KA_MCO2(INDM(JLAY)+1,IG) - KA_MCO2(INDM(JLAY),IG))) ZABSO3 = (KA_MO3(INDM(JLAY),IG) + PMINORFRAC(JLON,JLAY) * & & (KA_MO3(INDM(JLAY)+1,IG) - KA_MO3(INDM(JLAY),IG))) ZABSN2O = (KA_MN2O(INDM(JLAY),IG) + PMINORFRAC(JLON,JLAY) * & & (KA_MN2O(INDM(JLAY)+1,IG) - KA_MN2O(INDM(JLAY),IG))) P_TAU(JLON,NGS7+IG,JLAY) = P_COLH2O(JLON,JLAY) *& & (P_FAC00(JLON,JLAY) * ABSA(IND0(JLAY) ,IG) +& & P_FAC10(JLON,JLAY) * ABSA(IND0(JLAY)+1,IG) +& & P_FAC01(JLON,JLAY) * ABSA(IND1(JLAY) ,IG) +& & P_FAC11(JLON,JLAY) * ABSA(IND1(JLAY)+1,IG)) & & + ZTAUSELF + ZTAUFOR & & + ZADJCOLCO2(JLON,JLAY)*ZABSCO2 & & + P_COLO3(JLON,JLAY)*ZABSO3 & & + P_COLN2O(JLON,JLAY)*ZABSN2O & & + P_WX(JLON,3,JLAY) * CFC12(IG)& & + P_WX(JLON,4,JLAY) * CFC22ADJ(IG)& & + P_TAUAERL(JLON,JLAY,8) PFRAC(JLON,NGS7+IG,JLAY) = FRACREFA(IG) ENDDO ENDIF IF (JLAY > K_LAYTROP(JLON)) THEN ! In atmospheres where the amount of CO2 is too great to be considered ! a minor species, adjust the column amount of CO2 by an empirical factor ! to obtain the proper contribution. ZCHI_CO2 = P_COLCO2(JLON,JLAY)/P_COLDRY(JLON,JLAY) ZRATCO2 = 1.E20_JPRB*ZCHI_CO2/CHI_MLS(2,K_JP(JLON,JLAY)+1) IF (ZRATCO2 > 3.0_JPRB) THEN ZADJFAC = 2.0_JPRB+(ZRATCO2-2.0_JPRB)**0.65_JPRB ZADJCOLCO2(JLON,JLAY) = ZADJFAC*CHI_MLS(2,K_JP(JLON,JLAY)+1)*P_COLDRY(JLON,JLAY)*1.E-20_JPRB ELSE ZADJCOLCO2(JLON,JLAY) = P_COLCO2(JLON,JLAY) ENDIF IND0(JLAY) = ((K_JP(JLON,JLAY)-13)*5+(K_JT(JLON,JLAY)-1))*NSPB(8) + 1 IND1(JLAY) = ((K_JP(JLON,JLAY)-12)*5+(K_JT1(JLON,JLAY)-1))*NSPB(8) + 1 INDM(JLAY) = KINDMINOR(JLON,JLAY) !-- JJM_000517 !CDIR UNROLL=NG8 DO IG = 1, NG8 !-- JJM_000517 ZABSCO2 = (KB_MCO2(INDM(JLAY),IG) + PMINORFRAC(JLON,JLAY) * & & (KB_MCO2(INDM(JLAY)+1,IG) - KB_MCO2(INDM(JLAY),IG))) ZABSN2O = (KB_MN2O(INDM(JLAY),IG) + PMINORFRAC(JLON,JLAY) * & & (KB_MN2O(INDM(JLAY)+1,IG) - KB_MN2O(INDM(JLAY),IG))) P_TAU(JLON,NGS7+IG,JLAY) = P_COLO3(JLON,JLAY) *& & (P_FAC00(JLON,JLAY) * ABSB(IND0(JLAY) ,IG) +& & P_FAC10(JLON,JLAY) * ABSB(IND0(JLAY)+1,IG) +& & P_FAC01(JLON,JLAY) * ABSB(IND1(JLAY) ,IG) +& & P_FAC11(JLON,JLAY) * ABSB(IND1(JLAY)+1,IG)) & & + ZADJCOLCO2(JLON,JLAY)*ZABSCO2 & & + P_COLN2O(JLON,JLAY)*ZABSN2O & & + P_WX(JLON,3,JLAY) * CFC12(IG)& & + P_WX(JLON,4,JLAY) * CFC22ADJ(IG)& & + P_TAUAERL(JLON,JLAY,8) PFRAC(JLON,NGS7+IG,JLAY) = FRACREFB(IG) ENDDO ENDIF ENDDO ENDDO IF (LHOOK) CALL DR_HOOK('RRTM_TAUMOL8',1,ZHOOK_HANDLE) END ASSOCIATE END SUBROUTINE RRTM_TAUMOL8