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SUBROUTINE SRTM_CLDPROP & |
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& ( KLEV, K_ICLDATM, K_INFLAG, K_ICEFLAG, K_LIQFLAG, K_NSTR,& |
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& P_CLDFRAC, P_CLDDAT1, P_CLDDAT2, P_CLDDAT3, P_CLDDAT4, P_CLDDATMOM,& |
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& P_TAUCLDORIG, P_TAUCLOUD, P_SSACLOUD, P_XMOM & |
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& ) |
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! path: $Source: /storm/rc1/cvsroot/rc/rrtm_sw/src/cldprop_sw.f,v $ |
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! author: $Author: jdelamer $ |
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! revision: $Revision: 2.6 $ |
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! created: $Date: 2002/04/04 18:29:47 $ |
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! PURPOSE: COMPUTE THE CLOUD OPTICAL DEPTH(S) FOR EACH CLOUDY |
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! LAYER. NOTE: ONLY INFLAG = 0 AND INFLAG=2/LIQFLAG=1, |
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! ICEFLAG=3 |
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! (HU & STAMNES, Q. FU) ARE IMPLEMENTED. |
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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, JPBAND, JPB1, JPB2 |
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USE YOESRTOP, ONLY : EXTLIQ1, SSALIQ1, ASYLIQ1 & |
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& , EXTICE3, SSAICE3, ASYICE3, FDLICE3 & |
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& , FDELTA , EXTCOICE, SSACOICE, GICE, FORWICE & |
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& , EXTCOLIQ, SSACOLIQ, GLIQ, FORWLIQ |
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! ------------------------------------------------------------------ |
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IMPLICIT NONE |
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!-- real arguments |
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INTEGER(KIND=JPIM),INTENT(IN) :: KLEV |
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INTEGER(KIND=JPIM),INTENT(OUT) :: K_ICLDATM |
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INTEGER(KIND=JPIM),INTENT(IN) :: K_INFLAG |
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INTEGER(KIND=JPIM),INTENT(IN) :: K_ICEFLAG |
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INTEGER(KIND=JPIM),INTENT(IN) :: K_LIQFLAG |
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INTEGER(KIND=JPIM),INTENT(IN) :: K_NSTR |
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REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDFRAC(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDAT1(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDAT2(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDAT3(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDAT4(JPLAY) |
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REAL(KIND=JPRB) ,INTENT(IN) :: P_CLDDATMOM(0:16,JPLAY) |
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REAL(KIND=JPRB) ,INTENT(INOUT) :: P_TAUCLDORIG(JPLAY,JPBAND) |
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REAL(KIND=JPRB) ,INTENT(INOUT) :: P_TAUCLOUD(JPLAY,JPBAND) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: P_SSACLOUD(JPLAY,JPBAND) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: P_XMOM(0:16,JPLAY,JPBAND) |
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!-- integer arguments |
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!-- real locals |
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REAL(KIND=JPRB) :: Z_EPS |
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REAL(KIND=JPRB) :: Z_TAUCLDORIG_A, Z_FFP, Z_FFP1, Z_FFPSSA, Z_SSACLOUD_A, Z_TAUCLOUD_A |
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REAL(KIND=JPRB) :: Z_CWP, Z_FICE, Z_RADICE, Z_FACTOR, Z_FINT, Z_FLIQ, Z_RADLIQ |
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REAL(KIND=JPRB) :: Z_TAUICEORIG, Z_SCATICE, Z_SSAICE, Z_TAUICE & |
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& , Z_TAULIQORIG, Z_SCATLIQ, Z_SSALIQ, Z_TAULIQ |
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!-- integer locals |
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INTEGER(KIND=JPIM) :: I_NCBANDS, I_NLAYERS |
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INTEGER(KIND=JPIM) :: IB, IB1, IB2, I_LAY, ISTR , INDEX |
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INTEGER(KIND=JPIM) :: I_NDBUG |
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REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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! INCLUDE 'param.f' |
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! COMMON /CONTROL/ IAER, NSTR, IOUT, ISTART, IEND, ICLD |
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! COMMON /PROFILE/ NLAYERS,PAVEL(MXLAY),TAVEL(MXLAY), |
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! & PZ(0:MXLAY),TZ(0:MXLAY) |
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! COMMON /CLOUDIN/ INFLAG,CLDDAT1(MXLAY),CLDDAT2(MXLAY), |
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! & ICEFLAG,LIQFLAG,CLDDAT3(MXLAY),CLDDAT4(MXLAY), |
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! & CLDDATMOM(0:16,MXLAY) |
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! COMMON /CLOUDDAT/ NCBANDS,CLDFRAC(MXLAY), |
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! & TAUCLOUD(MXLAY,NBANDS),SSACLOUD(MXLAY,NBANDS), |
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! & XMOM(0:16,MXLAY,NBANDS),TAUCLDORIG(MXLAY,NBANDS) |
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! COMMON /HVERSN/ HVRRTM,HVRRTR,HVRATM,HVRSET,HVRTAU, |
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! * HVDUM1(4),HVRUTL,HVREXT, |
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! * HVRD1M,HVRR1M,HVREPK,HVRLPK,HVRAER,HVRBKA, |
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! * HVRBKB,HVRCLD,HVRDIS,HVRLAM,HVRPAR |
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! CHARACTER*15 HVRRTM,HVRRTR,HVRATM,HVRSET,HVRTAU, |
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! * HVDUM1,HVRUTL,HVREXT, |
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! * HVRD1M,HVRR1M,HVREPK,HVRLPK,HVRAER,HVRBKA, |
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! * HVRBKB,HVRCLD,HVRDIS,HVRLAM,HVRPAR |
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! DIMENSION ABSICE0(2), ABSICE1(2,5), ABSICE2(40,16) |
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! DIMENSION ABSLIQ1(58,16) |
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! DIMENSION ABSCOICE(NBANDS), ABSCOLIQ(NBANDS) |
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! DIMENSION EXTCOLIQ(NBANDS),SSACOLIQ(NBANDS),GLIQ(NBANDS) |
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! DIMENSION EXTCOICE(NBANDS),SSACOICE(NBANDS),GICE(NBANDS) |
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! DIMENSION FORWLIQ(NBANDS),FORWICE(NBANDS) |
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! Added for SW |
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! DIMENSION EXTLIQ1(58,NBANDS), SSALIQ1(58,NBANDS), |
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! & ASYLIQ1(58,NBANDS) |
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! DIMENSION EXTICE3(27,NBANDS), SSAICE3(27,NBANDS), |
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! & ASYICE3(27,NBANDS),FDLICE3(28,NBANDS) |
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! DIMENSION FDELTA(NBANDS) |
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!DATA EPS /1.E-6/ |
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! HVRCLD = '$Revision: 2.6 $' |
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IF (LHOOK) CALL DR_HOOK('SRTM_CLDPROP',0,ZHOOK_HANDLE) |
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Z_EPS = 1.E-06_JPRB |
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I_NDBUG = 3 |
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K_ICLDATM = 0 |
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I_NCBANDS = 29 |
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I_NLAYERS = KLEV |
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IB1 = JPB1 |
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IB2 = JPB2 |
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IF (I_NDBUG <= 2) THEN |
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print *,'cldprop before loop K_INFLAG, K_ICEFLAG, K_LIQFLAG:',K_INFLAG,K_ICEFLAG,K_LIQFLAG,IB1,IB2 |
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ENDIF |
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DO I_LAY = 1, I_NLAYERS |
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IF (P_CLDFRAC(I_LAY) >= Z_EPS) THEN |
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K_ICLDATM = 1 |
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IF (I_NDBUG <= 2) THEN |
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print 9101,I_LAY,K_ICLDATM,P_CLDFRAC(I_LAY),P_CLDDAT1(I_LAY),P_CLDDAT2(I_LAY),P_CLDDAT3(I_LAY)& |
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& ,P_CLDDAT4(I_LAY),(P_CLDDATMOM(ISTR,I_LAY),ISTR=0,K_NSTR) |
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9101 format(1x,'Cld :',2I3,f7.4,7E12.5) |
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ENDIF |
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! Ice clouds and water clouds combined. |
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IF (K_INFLAG == 0) THEN |
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Z_TAUCLDORIG_A = P_CLDDAT1(I_LAY) |
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Z_FFP = P_CLDDATMOM(K_NSTR,I_LAY) |
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Z_FFP1 = 1.0 - Z_FFP |
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Z_FFPSSA = 1.0 - Z_FFP * P_CLDDAT2(I_LAY) |
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Z_SSACLOUD_A = Z_FFP1*P_CLDDAT2(I_LAY)/Z_FFPSSA |
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Z_TAUCLOUD_A = Z_FFPSSA*Z_TAUCLDORIG_A |
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! DO IB = 16,NBANDS |
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DO IB = IB1 , IB2 |
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P_TAUCLDORIG(I_LAY,IB) = Z_TAUCLDORIG_A |
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P_SSACLOUD(I_LAY,IB) = Z_SSACLOUD_A |
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P_TAUCLOUD(I_LAY,IB) = Z_TAUCLOUD_A |
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DO ISTR = 0,K_NSTR |
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P_XMOM(ISTR,I_LAY,IB) = (P_CLDDATMOM(ISTR,I_LAY) - Z_FFP)/ & |
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& (Z_FFP1) |
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ENDDO |
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ENDDO |
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! Separate treatement of ice clouds and water clouds. |
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ELSEIF(K_INFLAG == 2) THEN |
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Z_CWP = P_CLDDAT1(I_LAY) |
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Z_FICE = P_CLDDAT2(I_LAY) |
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Z_RADICE = P_CLDDAT3(I_LAY) |
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IF (I_NDBUG <= 1) THEN |
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print 9102,I_LAY,Z_CWP,Z_FICE,Z_RADICE |
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9102 format(1x,'A',I3,3E13.6) |
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ENDIF |
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! Calculation of absorption coefficients due to ice clouds. |
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IF (Z_FICE == 0.0) THEN |
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! NCBANDS = 29 |
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! DO IB = 16, NCBANDS |
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DO IB = IB1 , IB2 |
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EXTCOICE(IB) = 0.0_JPRB |
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SSACOICE(IB) = 1.0_JPRB |
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GICE(IB) = 1.0_JPRB |
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FORWICE(IB) = 0.0_JPRB |
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IF (I_NDBUG <= 1) THEN |
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print 9103,I_LAY,Z_FICE,Z_CWP,Z_RADICE,IB,EXTCOICE(IB),SSACOICE(IB),GICE(IB),FORWICE(IB) |
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9103 format(1x,'B',I3,F6.3,2E13.6,I3,4E12.5) |
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ENDIF |
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ENDDO |
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ELSEIF (K_ICEFLAG == 3) THEN |
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IF (Z_RADICE < 10.0 .OR. Z_RADICE > 140.0) STOP 'ICE EFFECTIVE SIZE OUT OF BOUNDS' |
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! NCBANDS = 29 |
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Z_FACTOR = (Z_RADICE - 5._JPRB)/5._JPRB |
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INDEX = INT(Z_FACTOR) |
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IF (INDEX == 27) INDEX = 26 |
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Z_FINT = Z_FACTOR - REAL(INDEX) |
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! DO IB=16,NCBANDS |
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DO IB = IB1 , IB2 |
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EXTCOICE(IB) = Z_FICE * (EXTICE3(INDEX,IB) + Z_FINT * & |
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& (EXTICE3(INDEX+1,IB) - EXTICE3(INDEX,IB))) |
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SSACOICE(IB) = SSAICE3(INDEX,IB) + Z_FINT * & |
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& (SSAICE3(INDEX+1,IB) - SSAICE3(INDEX,IB)) |
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GICE(IB) = ASYICE3(INDEX,IB) + Z_FINT * & |
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& (ASYICE3(INDEX+1,IB) - ASYICE3(INDEX,IB)) |
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FDELTA(IB) = FDLICE3(INDEX,IB) + Z_FINT * & |
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& (FDLICE3(INDEX+1,IB) - FDLICE3(INDEX,IB)) |
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if (fdelta(ib) < 0.0) STOP 'FDELTA LESS THAN 0.0' |
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if (fdelta(ib) > 1.0) STOP 'FDELTA GT THAN 1.0' |
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FORWICE(IB) = FDELTA(IB) + 0.5 / SSACOICE(IB) |
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! See Fu 1996 p. 2067 |
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IF (FORWICE(IB) > GICE(IB)) FORWICE(IB) = GICE(IB) |
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! Check to ensure all calculated quantities are within physical limits. |
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if (extcoice(ib) < 0.0_JPRB) STOP 'ICE EXTINCTION LESS THAN 0.0' |
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if (ssacoice(ib) > 1.0_JPRB) STOP 'ICE SSA GRTR THAN 1.0' |
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if (ssacoice(ib) < 0.0_JPRB) STOP 'ICE SSA LESS THAN 0.0' |
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if (gice(ib) > 1.0_JPRB) STOP 'ICE ASYM GRTR THAN 1.0' |
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if (gice(ib) < 0.0_JPRB) STOP 'ICE ASYM LESS THAN 0.0' |
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IF (I_NDBUG <= 1) THEN |
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print 9104,I_LAY,Z_FICE,Z_CWP,Z_RADICE,IB,EXTCOICE(IB),SSACOICE(IB),GICE(IB),FORWICE(IB),FDELTA(IB) |
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9104 format(1x,'C',I3,F5.3,2E13.6,I3,5E12.5) |
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ENDIF |
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ENDDO |
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ENDIF |
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print *,'end of ice computations for I_LAY=',I_LAY |
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! Calculation of absorption coefficients due to water clouds. |
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Z_FLIQ = 1. - Z_FICE |
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IF (Z_FLIQ == 0.0) THEN |
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! NCBANDS = 29 |
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! DO IB = 16, NCBANDS |
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DO IB = IB1 , IB2 |
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EXTCOLIQ(IB) = 0.0 |
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SSACOLIQ(IB) = 1.0 |
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GLIQ(IB) = 1.0 |
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FORWLIQ(IB) = 0.0 |
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IF (I_NDBUG <= 1) THEN |
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print 9105,I_LAY,Z_FLIQ,Z_CWP,IB,EXTCOLIQ(IB),SSACOLIQ(IB),GLIQ(IB),FORWLIQ(IB) |
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9105 format(1x,'D',I3,F5.3,1E13.6,I3,4E12.5) |
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ENDIF |
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ENDDO |
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ELSEIF (K_LIQFLAG == 1) THEN |
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Z_RADLIQ = P_CLDDAT4(I_LAY) |
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IF (Z_RADLIQ < 1.5 .OR. Z_RADLIQ > 60.) STOP 'LIQUID EFFECTIVE RADIUS OUT OF BOUNDS' |
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INDEX = INT(Z_RADLIQ - 1.5) |
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IF (INDEX == 0) INDEX = 1 |
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IF (INDEX == 58) INDEX = 57 |
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Z_FINT = Z_RADLIQ - 1.5 - REAL(INDEX) |
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! NCBANDS = 29 |
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! DO IB = 16, NCBANDS |
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DO IB = IB1 , IB2 |
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EXTCOLIQ(IB) = Z_FLIQ * (EXTLIQ1(INDEX,IB) + Z_FINT * & |
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& (EXTLIQ1(INDEX+1,IB) - (EXTLIQ1(INDEX,IB)))) |
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SSACOLIQ(IB) = SSALIQ1(INDEX,IB) + Z_FINT * & |
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& (SSALIQ1(INDEX+1,IB) - SSALIQ1(INDEX,IB)) |
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GLIQ(IB) = ASYLIQ1(INDEX,IB) + Z_FINT * & |
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& (ASYLIQ1(INDEX+1,IB) - ASYLIQ1(INDEX,IB)) |
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FORWLIQ(IB) = GLIQ(IB)**K_NSTR |
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! Check to ensure all calculated quantities are within physical limits. |
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if (extcoliq(ib) < 0.0_JPRB) STOP 'LIQUID EXTINCTION LESS THAN 0.0' |
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if (ssacoliq(ib) > 1.0_JPRB) STOP 'LIQUID SSA GRTR THAN 1.0' |
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if (ssacoliq(ib) < 0.0_JPRB) STOP 'LIQUID SSA LESS THAN 0.0' |
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if (gliq(ib) > 1.0_JPRB) STOP 'LIQUID ASYM GRTR THAN 1.0' |
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if (gliq(ib) < 0.0_JPRB) STOP 'LIQUID ASYM LESS THAN 0.0' |
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263 |
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IF (I_NDBUG <= 1) THEN |
264 |
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print 9106,I_LAY,Z_FLIQ,Z_CWP,Z_RADLIQ,IB,EXTCOLIQ(IB),SSACOLIQ(IB),GLIQ(IB),FORWLIQ(IB) |
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9106 format(1x,'E',I3,F5.3,2E13.6,I3,5E12.5) |
266 |
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ENDIF |
267 |
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268 |
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ENDDO |
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ENDIF |
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271 |
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IF (I_NDBUG <= 1) THEN |
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print *,'end of liquid water computations for I_LAY=',I_LAY |
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ENDIF |
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! DO IB = 16, NCBANDS |
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DO IB = IB1 , IB2 |
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Z_TAULIQORIG = Z_CWP * EXTCOLIQ(IB) |
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Z_TAUICEORIG = Z_CWP * EXTCOICE(IB) |
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P_TAUCLDORIG(I_LAY,IB) = Z_TAULIQORIG + Z_TAUICEORIG |
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281 |
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IF (I_NDBUG <= 1) THEN |
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print 9107,IB,Z_TAULIQORIG,Z_TAUICEORIG,P_TAUCLDORIG(I_LAY,IB),Z_CWP & |
283 |
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& ,EXTCOLIQ(IB),EXTCOICE(IB),SSACOLIQ(IB),SSACOICE(IB) & |
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& ,FORWLIQ(IB),FORWICE(IB) |
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9107 format(1x,'F',I3,10E12.5) |
286 |
|
|
ENDIF |
287 |
|
|
|
288 |
|
|
Z_SSALIQ = SSACOLIQ(IB) * (1. - FORWLIQ(IB)) / & |
289 |
|
|
& (1. - FORWLIQ(IB) * SSACOLIQ(IB)) |
290 |
|
|
Z_TAULIQ = (1. - FORWLIQ(IB) * SSACOLIQ(IB)) * & |
291 |
|
|
& Z_TAULIQORIG |
292 |
|
|
Z_SSAICE = SSACOICE(IB) * (1. - FORWICE(IB)) / & |
293 |
|
|
& (1. - FORWICE(IB) * SSACOICE(IB)) |
294 |
|
|
Z_TAUICE = (1. - FORWICE(IB) * SSACOICE(IB)) * & |
295 |
|
|
& Z_TAUICEORIG |
296 |
|
|
Z_SCATLIQ = Z_SSALIQ * Z_TAULIQ |
297 |
|
|
Z_SCATICE = Z_SSAICE * Z_TAUICE |
298 |
|
|
P_TAUCLOUD(I_LAY,IB) = Z_TAULIQ + Z_TAUICE |
299 |
|
|
P_SSACLOUD(I_LAY,IB) = (Z_SCATLIQ + Z_SCATICE) / & |
300 |
|
|
& P_TAUCLOUD(I_LAY,IB) |
301 |
|
|
P_XMOM(0,I_LAY,IB) = 1.0 |
302 |
|
|
|
303 |
|
|
IF (I_NDBUG <= 1) THEN |
304 |
|
|
print 9108,IB,Z_TAULIQORIG,Z_TAUICEORIG,Z_SSALIQ,Z_TAULIQ,Z_SCATLIQ,Z_SSAICE,Z_TAUICE,Z_SCATICE |
305 |
|
|
9108 format(1x,'G',I3,8E13.6) |
306 |
|
|
ENDIF |
307 |
|
|
|
308 |
|
|
DO ISTR = 1, K_NSTR |
309 |
|
|
!This commented code is the standard method for delta-m scaling. In accordance |
310 |
|
|
! with the 1996 Fu paper, equation A.3, the moments for ice were calculated |
311 |
|
|
! as in the uncommented code. |
312 |
|
|
! XMOM(ISTR,LAY,IB) = (SCATLIQ * & |
313 |
|
|
! & (GLIQ(IB)**ISTR - FORWLIQ(IB)) / & |
314 |
|
|
! & (1. - FORWLIQ(IB)) & |
315 |
|
|
! & + SCATICE * & |
316 |
|
|
! & (GICE(IB)**ISTR - FORWICE(IB)) / & |
317 |
|
|
! & (1. - FORWICE(IB)))/(SCATLIQ + SCATICE) |
318 |
|
|
|
319 |
|
|
P_XMOM(ISTR,I_LAY,IB) = (1.0/(Z_SCATLIQ+Z_SCATICE))* & |
320 |
|
|
& (Z_SCATLIQ*(GLIQ(IB)**ISTR - FORWLIQ(IB)) / & |
321 |
|
|
& (1. - FORWLIQ(IB)) & |
322 |
|
|
& + Z_SCATICE * & |
323 |
|
|
& ((gice(ib)-forwice(ib))/(1.0-forwice(ib)))**ISTR) |
324 |
|
|
ENDDO |
325 |
|
|
ENDDO |
326 |
|
|
|
327 |
|
|
ENDIF |
328 |
|
|
|
329 |
|
|
ENDIF |
330 |
|
|
|
331 |
|
|
ENDDO |
332 |
|
|
|
333 |
|
|
IF (I_NDBUG <= 1) THEN |
334 |
|
|
print *,'about to leave SRTM_CLDPROP' |
335 |
|
|
ENDIF |
336 |
|
|
|
337 |
|
|
!----------------------------------------------------------------------- |
338 |
|
|
IF (LHOOK) CALL DR_HOOK('SRTM_CLDPROP',1,ZHOOK_HANDLE) |
339 |
|
|
END SUBROUTINE SRTM_CLDPROP |
340 |
|
|
|