SUBROUTINE SRTM_CLDPROP & & ( KLEV, K_ICLDATM, K_INFLAG, K_ICEFLAG, K_LIQFLAG, K_NSTR,& & P_CLDFRAC, P_CLDDAT1, P_CLDDAT2, P_CLDDAT3, P_CLDDAT4, P_CLDDATMOM,& & P_TAUCLDORIG, P_TAUCLOUD, P_SSACLOUD, P_XMOM & & ) ! path: $Source: /storm/rc1/cvsroot/rc/rrtm_sw/src/cldprop_sw.f,v $ ! author: $Author: jdelamer $ ! revision: $Revision: 2.6 $ ! created: $Date: 2002/04/04 18:29:47 $ ! PURPOSE: COMPUTE THE CLOUD OPTICAL DEPTH(S) FOR EACH CLOUDY ! LAYER. NOTE: ONLY INFLAG = 0 AND INFLAG=2/LIQFLAG=1, ! ICEFLAG=3 ! (HU & STAMNES, Q. FU) ARE IMPLEMENTED. USE PARKIND1 ,ONLY : JPIM ,JPRB USE YOMHOOK ,ONLY : LHOOK, DR_HOOK USE PARSRTM , ONLY : JPLAY, JPBAND, JPB1, JPB2 USE YOESRTOP, ONLY : EXTLIQ1, SSALIQ1, ASYLIQ1 & & , EXTICE3, SSAICE3, ASYICE3, FDLICE3 & & , FDELTA , EXTCOICE, SSACOICE, GICE, FORWICE & & , EXTCOLIQ, SSACOLIQ, GLIQ, FORWLIQ ! ------------------------------------------------------------------ IMPLICIT NONE !-- real arguments INTEGER(KIND=JPIM),INTENT(IN) :: KLEV INTEGER(KIND=JPIM),INTENT(OUT) :: K_ICLDATM INTEGER(KIND=JPIM),INTENT(IN) :: K_INFLAG INTEGER(KIND=JPIM),INTENT(IN) :: K_ICEFLAG INTEGER(KIND=JPIM),INTENT(IN) :: K_LIQFLAG INTEGER(KIND=JPIM),INTENT(IN) :: K_NSTR REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDFRAC(JPLAY) REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDAT1(JPLAY) REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDAT2(JPLAY) REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDAT3(JPLAY) REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDAT4(JPLAY) REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDATMOM(0:16,JPLAY) REAL(KIND=JPRB) ,INTENT(INOUT) :: P_TAUCLDORIG(JPLAY,JPBAND) REAL(KIND=JPRB) ,INTENT(INOUT) :: P_TAUCLOUD(JPLAY,JPBAND) REAL(KIND=JPRB) ,INTENT(OUT) :: P_SSACLOUD(JPLAY,JPBAND) REAL(KIND=JPRB) ,INTENT(OUT) :: P_XMOM(0:16,JPLAY,JPBAND) !-- integer arguments !-- real locals REAL(KIND=JPRB) :: Z_EPS REAL(KIND=JPRB) :: Z_TAUCLDORIG_A, Z_FFP, Z_FFP1, Z_FFPSSA, Z_SSACLOUD_A, Z_TAUCLOUD_A REAL(KIND=JPRB) :: Z_CWP, Z_FICE, Z_RADICE, Z_FACTOR, Z_FINT, Z_FLIQ, Z_RADLIQ REAL(KIND=JPRB) :: Z_TAUICEORIG, Z_SCATICE, Z_SSAICE, Z_TAUICE & & , Z_TAULIQORIG, Z_SCATLIQ, Z_SSALIQ, Z_TAULIQ !-- integer locals INTEGER(KIND=JPIM) :: I_NCBANDS, I_NLAYERS INTEGER(KIND=JPIM) :: IB, IB1, IB2, I_LAY, ISTR , INDEX INTEGER(KIND=JPIM) :: I_NDBUG REAL(KIND=JPRB) :: ZHOOK_HANDLE ! INCLUDE 'param.f' ! COMMON /CONTROL/ IAER, NSTR, IOUT, ISTART, IEND, ICLD ! COMMON /PROFILE/ NLAYERS,PAVEL(MXLAY),TAVEL(MXLAY), ! & PZ(0:MXLAY),TZ(0:MXLAY) ! COMMON /CLOUDIN/ INFLAG,CLDDAT1(MXLAY),CLDDAT2(MXLAY), ! & ICEFLAG,LIQFLAG,CLDDAT3(MXLAY),CLDDAT4(MXLAY), ! & CLDDATMOM(0:16,MXLAY) ! COMMON /CLOUDDAT/ NCBANDS,CLDFRAC(MXLAY), ! & TAUCLOUD(MXLAY,NBANDS),SSACLOUD(MXLAY,NBANDS), ! & XMOM(0:16,MXLAY,NBANDS),TAUCLDORIG(MXLAY,NBANDS) ! COMMON /HVERSN/ HVRRTM,HVRRTR,HVRATM,HVRSET,HVRTAU, ! * HVDUM1(4),HVRUTL,HVREXT, ! * HVRD1M,HVRR1M,HVREPK,HVRLPK,HVRAER,HVRBKA, ! * HVRBKB,HVRCLD,HVRDIS,HVRLAM,HVRPAR ! CHARACTER*15 HVRRTM,HVRRTR,HVRATM,HVRSET,HVRTAU, ! * HVDUM1,HVRUTL,HVREXT, ! * HVRD1M,HVRR1M,HVREPK,HVRLPK,HVRAER,HVRBKA, ! * HVRBKB,HVRCLD,HVRDIS,HVRLAM,HVRPAR ! DIMENSION ABSICE0(2), ABSICE1(2,5), ABSICE2(40,16) ! DIMENSION ABSLIQ1(58,16) ! DIMENSION ABSCOICE(NBANDS), ABSCOLIQ(NBANDS) ! DIMENSION EXTCOLIQ(NBANDS),SSACOLIQ(NBANDS),GLIQ(NBANDS) ! DIMENSION EXTCOICE(NBANDS),SSACOICE(NBANDS),GICE(NBANDS) ! DIMENSION FORWLIQ(NBANDS),FORWICE(NBANDS) ! Added for SW ! DIMENSION EXTLIQ1(58,NBANDS), SSALIQ1(58,NBANDS), ! & ASYLIQ1(58,NBANDS) ! DIMENSION EXTICE3(27,NBANDS), SSAICE3(27,NBANDS), ! & ASYICE3(27,NBANDS),FDLICE3(28,NBANDS) ! DIMENSION FDELTA(NBANDS) !DATA EPS /1.E-6/ ! HVRCLD = '$Revision: 2.6 $' IF (LHOOK) CALL DR_HOOK('SRTM_CLDPROP',0,ZHOOK_HANDLE) Z_EPS = 1.E-06_JPRB I_NDBUG = 3 K_ICLDATM = 0 I_NCBANDS = 29 I_NLAYERS = KLEV IB1 = JPB1 IB2 = JPB2 IF (I_NDBUG <= 2) THEN print *,'cldprop before loop K_INFLAG, K_ICEFLAG, K_LIQFLAG:',K_INFLAG,K_ICEFLAG,K_LIQFLAG,IB1,IB2 ENDIF DO I_LAY = 1, I_NLAYERS IF (P_CLDFRAC(I_LAY) >= Z_EPS) THEN K_ICLDATM = 1 IF (I_NDBUG <= 2) THEN print 9101,I_LAY,K_ICLDATM,P_CLDFRAC(I_LAY),P_CLDDAT1(I_LAY),P_CLDDAT2(I_LAY),P_CLDDAT3(I_LAY)& & ,P_CLDDAT4(I_LAY),(P_CLDDATMOM(ISTR,I_LAY),ISTR=0,K_NSTR) 9101 format(1x,'Cld :',2I3,f7.4,7E12.5) ENDIF ! Ice clouds and water clouds combined. IF (K_INFLAG == 0) THEN Z_TAUCLDORIG_A = P_CLDDAT1(I_LAY) Z_FFP = P_CLDDATMOM(K_NSTR,I_LAY) Z_FFP1 = 1.0 - Z_FFP Z_FFPSSA = 1.0 - Z_FFP * P_CLDDAT2(I_LAY) Z_SSACLOUD_A = Z_FFP1*P_CLDDAT2(I_LAY)/Z_FFPSSA Z_TAUCLOUD_A = Z_FFPSSA*Z_TAUCLDORIG_A ! DO IB = 16,NBANDS DO IB = IB1 , IB2 P_TAUCLDORIG(I_LAY,IB) = Z_TAUCLDORIG_A P_SSACLOUD(I_LAY,IB) = Z_SSACLOUD_A P_TAUCLOUD(I_LAY,IB) = Z_TAUCLOUD_A DO ISTR = 0,K_NSTR P_XMOM(ISTR,I_LAY,IB) = (P_CLDDATMOM(ISTR,I_LAY) - Z_FFP)/ & & (Z_FFP1) ENDDO ENDDO ! Separate treatement of ice clouds and water clouds. ELSEIF(K_INFLAG == 2) THEN Z_CWP = P_CLDDAT1(I_LAY) Z_FICE = P_CLDDAT2(I_LAY) Z_RADICE = P_CLDDAT3(I_LAY) IF (I_NDBUG <= 1) THEN print 9102,I_LAY,Z_CWP,Z_FICE,Z_RADICE 9102 format(1x,'A',I3,3E13.6) ENDIF ! Calculation of absorption coefficients due to ice clouds. IF (Z_FICE == 0.0) THEN ! NCBANDS = 29 ! DO IB = 16, NCBANDS DO IB = IB1 , IB2 EXTCOICE(IB) = 0.0_JPRB SSACOICE(IB) = 1.0_JPRB GICE(IB) = 1.0_JPRB FORWICE(IB) = 0.0_JPRB IF (I_NDBUG <= 1) THEN print 9103,I_LAY,Z_FICE,Z_CWP,Z_RADICE,IB,EXTCOICE(IB),SSACOICE(IB),GICE(IB),FORWICE(IB) 9103 format(1x,'B',I3,F6.3,2E13.6,I3,4E12.5) ENDIF ENDDO ELSEIF (K_ICEFLAG == 3) THEN IF (Z_RADICE < 10.0 .OR. Z_RADICE > 140.0) STOP 'ICE EFFECTIVE SIZE OUT OF BOUNDS' ! NCBANDS = 29 Z_FACTOR = (Z_RADICE - 5._JPRB)/5._JPRB INDEX = INT(Z_FACTOR) IF (INDEX == 27) INDEX = 26 Z_FINT = Z_FACTOR - REAL(INDEX) ! DO IB=16,NCBANDS DO IB = IB1 , IB2 EXTCOICE(IB) = Z_FICE * (EXTICE3(INDEX,IB) + Z_FINT * & & (EXTICE3(INDEX+1,IB) - EXTICE3(INDEX,IB))) SSACOICE(IB) = SSAICE3(INDEX,IB) + Z_FINT * & & (SSAICE3(INDEX+1,IB) - SSAICE3(INDEX,IB)) GICE(IB) = ASYICE3(INDEX,IB) + Z_FINT * & & (ASYICE3(INDEX+1,IB) - ASYICE3(INDEX,IB)) FDELTA(IB) = FDLICE3(INDEX,IB) + Z_FINT * & & (FDLICE3(INDEX+1,IB) - FDLICE3(INDEX,IB)) if (fdelta(ib) < 0.0) STOP 'FDELTA LESS THAN 0.0' if (fdelta(ib) > 1.0) STOP 'FDELTA GT THAN 1.0' FORWICE(IB) = FDELTA(IB) + 0.5 / SSACOICE(IB) ! See Fu 1996 p. 2067 IF (FORWICE(IB) > GICE(IB)) FORWICE(IB) = GICE(IB) ! Check to ensure all calculated quantities are within physical limits. if (extcoice(ib) < 0.0_JPRB) STOP 'ICE EXTINCTION LESS THAN 0.0' if (ssacoice(ib) > 1.0_JPRB) STOP 'ICE SSA GRTR THAN 1.0' if (ssacoice(ib) < 0.0_JPRB) STOP 'ICE SSA LESS THAN 0.0' if (gice(ib) > 1.0_JPRB) STOP 'ICE ASYM GRTR THAN 1.0' if (gice(ib) < 0.0_JPRB) STOP 'ICE ASYM LESS THAN 0.0' IF (I_NDBUG <= 1) THEN print 9104,I_LAY,Z_FICE,Z_CWP,Z_RADICE,IB,EXTCOICE(IB),SSACOICE(IB),GICE(IB),FORWICE(IB),FDELTA(IB) 9104 format(1x,'C',I3,F5.3,2E13.6,I3,5E12.5) ENDIF ENDDO ENDIF print *,'end of ice computations for I_LAY=',I_LAY ! Calculation of absorption coefficients due to water clouds. Z_FLIQ = 1. - Z_FICE IF (Z_FLIQ == 0.0) THEN ! NCBANDS = 29 ! DO IB = 16, NCBANDS DO IB = IB1 , IB2 EXTCOLIQ(IB) = 0.0 SSACOLIQ(IB) = 1.0 GLIQ(IB) = 1.0 FORWLIQ(IB) = 0.0 IF (I_NDBUG <= 1) THEN print 9105,I_LAY,Z_FLIQ,Z_CWP,IB,EXTCOLIQ(IB),SSACOLIQ(IB),GLIQ(IB),FORWLIQ(IB) 9105 format(1x,'D',I3,F5.3,1E13.6,I3,4E12.5) ENDIF ENDDO ELSEIF (K_LIQFLAG == 1) THEN Z_RADLIQ = P_CLDDAT4(I_LAY) IF (Z_RADLIQ < 1.5 .OR. Z_RADLIQ > 60.) STOP 'LIQUID EFFECTIVE RADIUS OUT OF BOUNDS' INDEX = INT(Z_RADLIQ - 1.5) IF (INDEX == 0) INDEX = 1 IF (INDEX == 58) INDEX = 57 Z_FINT = Z_RADLIQ - 1.5 - REAL(INDEX) ! NCBANDS = 29 ! DO IB = 16, NCBANDS DO IB = IB1 , IB2 EXTCOLIQ(IB) = Z_FLIQ * (EXTLIQ1(INDEX,IB) + Z_FINT * & & (EXTLIQ1(INDEX+1,IB) - (EXTLIQ1(INDEX,IB)))) SSACOLIQ(IB) = SSALIQ1(INDEX,IB) + Z_FINT * & & (SSALIQ1(INDEX+1,IB) - SSALIQ1(INDEX,IB)) GLIQ(IB) = ASYLIQ1(INDEX,IB) + Z_FINT * & & (ASYLIQ1(INDEX+1,IB) - ASYLIQ1(INDEX,IB)) FORWLIQ(IB) = GLIQ(IB)**K_NSTR ! Check to ensure all calculated quantities are within physical limits. if (extcoliq(ib) < 0.0_JPRB) STOP 'LIQUID EXTINCTION LESS THAN 0.0' if (ssacoliq(ib) > 1.0_JPRB) STOP 'LIQUID SSA GRTR THAN 1.0' if (ssacoliq(ib) < 0.0_JPRB) STOP 'LIQUID SSA LESS THAN 0.0' if (gliq(ib) > 1.0_JPRB) STOP 'LIQUID ASYM GRTR THAN 1.0' if (gliq(ib) < 0.0_JPRB) STOP 'LIQUID ASYM LESS THAN 0.0' IF (I_NDBUG <= 1) THEN print 9106,I_LAY,Z_FLIQ,Z_CWP,Z_RADLIQ,IB,EXTCOLIQ(IB),SSACOLIQ(IB),GLIQ(IB),FORWLIQ(IB) 9106 format(1x,'E',I3,F5.3,2E13.6,I3,5E12.5) ENDIF ENDDO ENDIF IF (I_NDBUG <= 1) THEN print *,'end of liquid water computations for I_LAY=',I_LAY ENDIF ! DO IB = 16, NCBANDS DO IB = IB1 , IB2 Z_TAULIQORIG = Z_CWP * EXTCOLIQ(IB) Z_TAUICEORIG = Z_CWP * EXTCOICE(IB) P_TAUCLDORIG(I_LAY,IB) = Z_TAULIQORIG + Z_TAUICEORIG IF (I_NDBUG <= 1) THEN print 9107,IB,Z_TAULIQORIG,Z_TAUICEORIG,P_TAUCLDORIG(I_LAY,IB),Z_CWP & & ,EXTCOLIQ(IB),EXTCOICE(IB),SSACOLIQ(IB),SSACOICE(IB) & & ,FORWLIQ(IB),FORWICE(IB) 9107 format(1x,'F',I3,10E12.5) ENDIF Z_SSALIQ = SSACOLIQ(IB) * (1. - FORWLIQ(IB)) / & & (1. - FORWLIQ(IB) * SSACOLIQ(IB)) Z_TAULIQ = (1. - FORWLIQ(IB) * SSACOLIQ(IB)) * & & Z_TAULIQORIG Z_SSAICE = SSACOICE(IB) * (1. - FORWICE(IB)) / & & (1. - FORWICE(IB) * SSACOICE(IB)) Z_TAUICE = (1. - FORWICE(IB) * SSACOICE(IB)) * & & Z_TAUICEORIG Z_SCATLIQ = Z_SSALIQ * Z_TAULIQ Z_SCATICE = Z_SSAICE * Z_TAUICE P_TAUCLOUD(I_LAY,IB) = Z_TAULIQ + Z_TAUICE P_SSACLOUD(I_LAY,IB) = (Z_SCATLIQ + Z_SCATICE) / & & P_TAUCLOUD(I_LAY,IB) P_XMOM(0,I_LAY,IB) = 1.0 IF (I_NDBUG <= 1) THEN print 9108,IB,Z_TAULIQORIG,Z_TAUICEORIG,Z_SSALIQ,Z_TAULIQ,Z_SCATLIQ,Z_SSAICE,Z_TAUICE,Z_SCATICE 9108 format(1x,'G',I3,8E13.6) ENDIF DO ISTR = 1, K_NSTR !This commented code is the standard method for delta-m scaling. In accordance ! with the 1996 Fu paper, equation A.3, the moments for ice were calculated ! as in the uncommented code. ! XMOM(ISTR,LAY,IB) = (SCATLIQ * & ! & (GLIQ(IB)**ISTR - FORWLIQ(IB)) / & ! & (1. - FORWLIQ(IB)) & ! & + SCATICE * & ! & (GICE(IB)**ISTR - FORWICE(IB)) / & ! & (1. - FORWICE(IB)))/(SCATLIQ + SCATICE) P_XMOM(ISTR,I_LAY,IB) = (1.0/(Z_SCATLIQ+Z_SCATICE))* & & (Z_SCATLIQ*(GLIQ(IB)**ISTR - FORWLIQ(IB)) / & & (1. - FORWLIQ(IB)) & & + Z_SCATICE * & & ((gice(ib)-forwice(ib))/(1.0-forwice(ib)))**ISTR) ENDDO ENDDO ENDIF ENDIF ENDDO IF (I_NDBUG <= 1) THEN print *,'about to leave SRTM_CLDPROP' ENDIF !----------------------------------------------------------------------- IF (LHOOK) CALL DR_HOOK('SRTM_CLDPROP',1,ZHOOK_HANDLE) END SUBROUTINE SRTM_CLDPROP