SUBROUTINE LWVN & & ( KIDIA, KFDIA, KLON , KLEV , KUAER,& & PABCU, PDBSL, PGA , PGB,& & PADJD, PADJU, PCNTRB, PDBDT, PDWFSU & & ) !**** *LWVN* - L.W., VERTICAL INTEGRATION, NEARBY LAYERS ! PURPOSE. ! -------- ! CARRIES OUT THE VERTICAL INTEGRATION ON NEARBY LAYERS ! TO GIVE LONGWAVE FLUXES OR RADIANCES !** INTERFACE. ! ---------- ! EXPLICIT ARGUMENTS : ! -------------------- ! ==== INPUTS === ! PABCU : (KLON,NUA,3*KLEV+1) ; ABSORBER AMOUNTS ! PDBSL : (KLON,KLEV*2) ; SUB-LAYER PLANCK FUNCTION GRADIENT ! PGA, PGB ; PADE APPROXIMANTS ! ==== OUTPUTS === ! PADJ.. : (KLON,KLEV+1) ; CONTRIBUTION OF ADJACENT LAYERS ! PCNTRB : (KLON,KLEV+1,KLEV+1); CLEAR-SKY ENERGY EXCHANGE MATRIX ! PDBDT : (KLON,NUA,KLEV) ; LAYER PLANCK FUNCTION GRADIENT ! PDWFSU : (KLON,NSIL) ; SPECTRAL DOWNWARD FLUX AT SURFACE ! IMPLICIT ARGUMENTS : NONE ! -------------------- ! METHOD. ! ------- ! 1. PERFORMS THE VERTICAL INTEGRATION CORRESPONDING TO THE ! CONTRIBUTIONS OF THE ADJACENT LAYERS USING A GAUSSIAN QUADRATURE ! EXTERNALS. ! ---------- ! *LWTT* ! REFERENCE. ! ---------- ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS ! AUTHOR. ! ------- ! JEAN-JACQUES MORCRETTE *ECMWF* ! MODIFICATIONS. ! -------------- ! ORIGINAL : 89-07-14 ! JJ Morcrette 97-04-18 Revised Continuum + Surf.Emissiv. ! M.Hamrud 01-Oct-2003 CY28 Cleaning !----------------------------------------------------------------------- USE PARKIND1 ,ONLY : JPIM ,JPRB USE YOMHOOK ,ONLY : LHOOK, DR_HOOK USE YOELW , ONLY : NSIL ,NIPD ,NTRA ,NUA ,& & NG1 ,NG1P1 ,WG1 IMPLICIT NONE INTEGER(KIND=JPIM),INTENT(IN) :: KLON INTEGER(KIND=JPIM),INTENT(IN) :: KLEV INTEGER(KIND=JPIM),INTENT(IN) :: KIDIA INTEGER(KIND=JPIM),INTENT(IN) :: KFDIA INTEGER(KIND=JPIM),INTENT(IN) :: KUAER REAL(KIND=JPRB) ,INTENT(IN) :: PABCU(KLON,NUA,3*KLEV+1) REAL(KIND=JPRB) ,INTENT(IN) :: PDBSL(KLON,NSIL,KLEV*2) REAL(KIND=JPRB) ,INTENT(IN) :: PGA(KLON,NIPD,2,KLEV) REAL(KIND=JPRB) ,INTENT(IN) :: PGB(KLON,NIPD,2,KLEV) REAL(KIND=JPRB) ,INTENT(OUT) :: PADJD(KLON,KLEV+1) REAL(KIND=JPRB) ,INTENT(OUT) :: PADJU(KLON,KLEV+1) REAL(KIND=JPRB) ,INTENT(OUT) :: PCNTRB(KLON,KLEV+1,KLEV+1) REAL(KIND=JPRB) ,INTENT(OUT) :: PDBDT(KLON,NSIL,KLEV) REAL(KIND=JPRB) ,INTENT(INOUT) :: PDWFSU(KLON,NSIL) !----------------------------------------------------------------------- !* 0.1 ARGUMENTS ! --------- !----------------------------------------------------------------------- ! ------------ REAL(KIND=JPRB) :: ZTT(KLON,NTRA), ZTT1(KLON,NTRA), ZTT2(KLON,NTRA), ZUU(KLON,NUA) INTEGER(KIND=JPIM) :: IBS, IDD, IM12, IMU, IND, INU, IXD, IXU,& & JA, JG, JK, JK1, JK2, JL, JNU REAL(KIND=JPRB) :: ZWTR, ZWTR1, ZWTR2, ZWTR3, ZWTR4, ZWTR5, ZWTR6 REAL(KIND=JPRB) :: ZHOOK_HANDLE #include "lwtt.intfb.h" !----------------------------------------------------------------------- !* 1. INITIALIZATION ! -------------- !* 1.1 INITIALIZE LAYER CONTRIBUTIONS ! ------------------------------ IF (LHOOK) CALL DR_HOOK('LWVN',0,ZHOOK_HANDLE) DO JK = 1 , KLEV+1 DO JL = KIDIA,KFDIA PADJD(JL,JK) = 0.0_JPRB PADJU(JL,JK) = 0.0_JPRB ENDDO ENDDO !* 1.2 INITIALIZE TRANSMISSION FUNCTIONS ! --------------------------------- DO JA = 1 , NTRA DO JL = KIDIA,KFDIA ZTT (JL,JA) = 1.0_JPRB ZTT1(JL,JA) = 1.0_JPRB ZTT2(JL,JA) = 1.0_JPRB ENDDO ENDDO DO JA = 1 , NUA DO JL = KIDIA,KFDIA ZUU(JL,JA) = 0.0_JPRB ENDDO ENDDO ! ------------------------------------------------------------------ !* 2. VERTICAL INTEGRATION ! -------------------- !* 2.1 CONTRIBUTION FROM ADJACENT LAYERS ! --------------------------------- DO JK = 1 , KLEV !* 2.1.1 DOWNWARD LAYERS ! --------------- IM12 = 2 * (JK - 1) IND = (JK - 1) * NG1P1 + 1 IXD = IND INU = JK * NG1P1 + 1 IXU = IND DO JG = 1 , NG1 IBS = IM12 + JG IDD = IXD + JG DO JA = 1 , KUAER DO JL = KIDIA,KFDIA ZUU(JL,JA) = PABCU(JL,JA,IND) - PABCU(JL,JA,IDD) ENDDO ENDDO CALL LWTT & & ( KIDIA , KFDIA , KLON,& & PGA(1,1,1,JK), PGB(1,1,1,JK),& & ZUU , ZTT & & ) DO JL = KIDIA,KFDIA ZWTR1=PDBSL(JL,1,IBS)*ZTT(JL,1) *ZTT(JL,10) ZWTR2=PDBSL(JL,2,IBS)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11) ZWTR3=PDBSL(JL,3,IBS)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12) ZWTR4=PDBSL(JL,4,IBS)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13) ZWTR5=PDBSL(JL,5,IBS)*ZTT(JL,3) *ZTT(JL,14) ZWTR6=PDBSL(JL,6,IBS)*ZTT(JL,6) *ZTT(JL,15) ZWTR=ZWTR1+ZWTR2+ZWTR3+ZWTR4+ZWTR5+ZWTR6 PADJD(JL,JK) = PADJD(JL,JK) + ZWTR * WG1(JG) IF (JK == 1) THEN PDWFSU(JL,1)=PDWFSU(JL,1)+WG1(JG)*ZWTR1 PDWFSU(JL,2)=PDWFSU(JL,2)+WG1(JG)*ZWTR2 PDWFSU(JL,3)=PDWFSU(JL,3)+WG1(JG)*ZWTR3 PDWFSU(JL,4)=PDWFSU(JL,4)+WG1(JG)*ZWTR4 PDWFSU(JL,5)=PDWFSU(JL,5)+WG1(JG)*ZWTR5 PDWFSU(JL,6)=PDWFSU(JL,6)+WG1(JG)*ZWTR6 ENDIF ENDDO !* 2.1.2 UPWARD LAYERS ! ------------- IMU = IXU + JG DO JA = 1 , KUAER DO JL = KIDIA,KFDIA ZUU(JL,JA) = PABCU(JL,JA,IMU) - PABCU(JL,JA,INU) ENDDO ENDDO CALL LWTT & & ( KIDIA , KFDIA , KLON,& & PGA(1,1,1,JK), PGB(1,1,1,JK),& & ZUU , ZTT & & ) DO JL = KIDIA,KFDIA ZWTR=PDBSL(JL,1,IBS)*ZTT(JL,1) *ZTT(JL,10)& & +PDBSL(JL,2,IBS)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11)& & +PDBSL(JL,3,IBS)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12)& & +PDBSL(JL,4,IBS)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13)& & +PDBSL(JL,5,IBS)*ZTT(JL,3) *ZTT(JL,14)& & +PDBSL(JL,6,IBS)*ZTT(JL,6) *ZTT(JL,15) PADJU(JL,JK+1) = PADJU(JL,JK+1) + ZWTR * WG1(JG) ENDDO ENDDO DO JL = KIDIA,KFDIA PCNTRB(JL,JK,JK+1) = PADJD(JL,JK) PCNTRB(JL,JK+1,JK) = PADJU(JL,JK+1) PCNTRB(JL,JK ,JK) = 0.0_JPRB ENDDO ENDDO DO JK = 1 , KLEV JK2 = 2 * JK JK1 = JK2 - 1 DO JNU = 1 , NSIL DO JL = KIDIA,KFDIA PDBDT(JL,JNU,JK) = PDBSL(JL,JNU,JK1) + PDBSL(JL,JNU,JK2) ENDDO ENDDO ENDDO !----------------------------------------------------------------------- IF (LHOOK) CALL DR_HOOK('LWVN',1,ZHOOK_HANDLE) END SUBROUTINE LWVN