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SUBROUTINE LWVD & |
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& ( KIDIA, KFDIA, KLON , KLEV , KTRAER,& |
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& PABCU, PDBDT,& |
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& PGA , PGB,& |
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& PCNTRB, PDISD, PDISU, PDWFSU & |
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& ) |
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!**** *LWVD* - L.W., VERTICAL INTEGRATION, DISTANT LAYERS |
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! PURPOSE. |
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! -------- |
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! CARRIES OUT THE VERTICAL INTEGRATION ON THE DISTANT LAYERS |
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!** INTERFACE. |
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! ---------- |
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! EXPLICIT ARGUMENTS : |
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! -------------------- |
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! ==== INPUTS === |
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! PABCU : (KLON,NUA,3*KLEV+1) ; ABSORBER AMOUNTS |
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! PDBDT : (KLON,KLEV) ; LAYER PLANCK FUNCTION GRADIENT |
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! PGA, PGB ; PADE APPROXIMANTS |
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! ==== OUTPUTS === |
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! PCNTRB : (KLON,KLEV+1,KLEV+1); ENERGY EXCHANGE MATRIX |
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! PDIS.. : (KLON,KLEV+1) ; CONTRIBUTION BY DISTANT LAYERS |
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! PDWFSU : (KLON,NSIL) ; SPECTRAL DOWNWARD FLUX AT SURFACE |
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! IMPLICIT ARGUMENTS : NONE |
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! -------------------- |
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! METHOD. |
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! ------- |
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! 1. PERFORMS THE VERTICAL INTEGRATION CORRESPONDING TO THE |
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! CONTRIBUTIONS OF THE DISTANT LAYERS USING TRAPEZOIDAL RULE |
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! EXTERNALS. |
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! ---------- |
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! *LWTT* |
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! REFERENCE. |
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! ---------- |
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! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
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! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
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! AUTHOR. |
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! ------- |
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! JEAN-JACQUES MORCRETTE *ECMWF* |
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! MODIFICATIONS. |
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! -------------- |
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! ORIGINAL : 89-07-14 |
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! JJ Morcrette 97-04-18 Revised continuum + Surf. Emissiv. |
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! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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!----------------------------------------------------------------------- |
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USE PARKIND1 ,ONLY : JPIM ,JPRB |
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USE YOMHOOK ,ONLY : LHOOK, DR_HOOK |
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USE YOELW , ONLY : NSIL ,NIPD ,NTRA ,NUA ,NG1P1 |
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IMPLICIT NONE |
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INTEGER(KIND=JPIM),INTENT(IN) :: KLON |
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INTEGER(KIND=JPIM),INTENT(IN) :: KLEV |
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INTEGER(KIND=JPIM),INTENT(IN) :: KIDIA |
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INTEGER(KIND=JPIM),INTENT(IN) :: KFDIA |
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INTEGER(KIND=JPIM),INTENT(IN) :: KTRAER |
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REAL(KIND=JPRB) ,INTENT(IN) :: PABCU(KLON,NUA,3*KLEV+1) |
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REAL(KIND=JPRB) ,INTENT(IN) :: PDBDT(KLON,NSIL,KLEV) |
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REAL(KIND=JPRB) ,INTENT(IN) :: PGA(KLON,NIPD,2,KLEV) |
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REAL(KIND=JPRB) ,INTENT(IN) :: PGB(KLON,NIPD,2,KLEV) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PCNTRB(KLON,KLEV+1,KLEV+1) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PDISD(KLON,KLEV+1) |
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REAL(KIND=JPRB) ,INTENT(OUT) :: PDISU(KLON,KLEV+1) |
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REAL(KIND=JPRB) ,INTENT(INOUT) :: PDWFSU(KLON,NSIL) |
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!----------------------------------------------------------------------- |
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!* 0.1 ARGUMENTS |
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! --------- |
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!----------------------------------------------------------------------- |
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! ------------ |
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REAL(KIND=JPRB) :: ZTT(KLON,NTRA), ZTT1(KLON,NTRA), ZTT2(KLON,NTRA) |
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INTEGER(KIND=JPIM) :: IJKL, IKD1, IKD2, IKJ, IKJP1, IKM1, IKN,& |
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& IKP1, IKU1, IKU2, ITT, JA, JK, JKJ, JL, JLK |
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REAL(KIND=JPRB) :: ZWW, ZWW1, ZWW2, ZWW3, ZWW4, ZWW5, ZWW6 |
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REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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#include "lwttm.intfb.h" |
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!----------------------------------------------------------------------- |
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!* 1. INITIALIZATION |
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! -------------- |
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!* 1.1 INITIALIZE LAYER CONTRIBUTIONS |
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! ------------------------------ |
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IF (LHOOK) CALL DR_HOOK('LWVD',0,ZHOOK_HANDLE) |
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DO JK = 1, KLEV+1 |
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DO JL = KIDIA,KFDIA |
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PDISD(JL,JK) = 0.0_JPRB |
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PDISU(JL,JK) = 0.0_JPRB |
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ENDDO |
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ENDDO |
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!* 1.2 INITIALIZE TRANSMISSION FUNCTIONS |
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! --------------------------------- |
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DO JA = 1, NTRA |
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DO JL = KIDIA,KFDIA |
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ZTT (JL,JA) = 1.0_JPRB |
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ZTT1(JL,JA) = 1.0_JPRB |
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ZTT2(JL,JA) = 1.0_JPRB |
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ENDDO |
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ENDDO |
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! ------------------------------------------------------------------ |
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!* 2. VERTICAL INTEGRATION |
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! -------------------- |
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!* 2.2 CONTRIBUTION FROM DISTANT LAYERS |
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! --------------------------------- |
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!* 2.2.1 DISTANT AND ABOVE LAYERS |
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! ------------------------ |
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!* 2.2.2 FIRST UPPER LEVEL |
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! ----------------- |
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DO JK = 1 , KLEV-1 |
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IKP1=JK+1 |
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IKN=(JK-1)*NG1P1+1 |
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IKD1= JK *NG1P1+1 |
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CALL LWTTM & |
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& ( KIDIA , KFDIA , KLON,& |
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& PGA(1,1,1,JK) , PGB(1,1,1,JK),& |
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& PABCU(1,1,IKN), PABCU(1,1,IKD1), ZTT1 & |
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& ) |
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!* 2.2.3 HIGHER UP |
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! --------- |
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ITT=1 |
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DO JKJ=IKP1,KLEV |
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IF(ITT == 1) THEN |
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ITT=2 |
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ELSE |
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ITT=1 |
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ENDIF |
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IKJP1=JKJ+1 |
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IKD2= JKJ *NG1P1+1 |
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IF(ITT == 1) THEN |
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CALL LWTTM & |
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& ( KIDIA , KFDIA , KLON,& |
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& PGA(1,1,1,JKJ), PGB(1,1,1,JKJ),& |
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& PABCU(1,1,IKN), PABCU(1,1,IKD2), ZTT1 & |
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& ) |
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ELSE |
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CALL LWTTM & |
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& ( KIDIA , KFDIA , KLON,& |
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& PGA(1,1,1,JKJ), PGB(1,1,1,JKJ),& |
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& PABCU(1,1,IKN), PABCU(1,1,IKD2), ZTT2 & |
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& ) |
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ENDIF |
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DO JA = 1, KTRAER |
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DO JL = KIDIA,KFDIA |
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ZTT(JL,JA) = (ZTT1(JL,JA)+ZTT2(JL,JA))*0.5_JPRB |
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ENDDO |
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ENDDO |
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DO JL = KIDIA,KFDIA |
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ZWW1=PDBDT(JL,1,JKJ)*ZTT(JL,1) *ZTT(JL,10) |
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ZWW2=PDBDT(JL,2,JKJ)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11) |
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ZWW3=PDBDT(JL,3,JKJ)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12) |
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ZWW4=PDBDT(JL,4,JKJ)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13) |
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ZWW5=PDBDT(JL,5,JKJ)*ZTT(JL,3) *ZTT(JL,14) |
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ZWW6=PDBDT(JL,6,JKJ)*ZTT(JL,6) *ZTT(JL,15) |
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ZWW=ZWW1+ZWW2+ZWW3+ZWW4+ZWW5+ZWW6 |
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PDISD(JL,JK)=PDISD(JL,JK)+ZWW |
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PCNTRB(JL,JK,IKJP1)=ZWW |
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IF (JK == 1) THEN |
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PDWFSU(JL,1)=PDWFSU(JL,1)+ZWW1 |
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PDWFSU(JL,2)=PDWFSU(JL,2)+ZWW2 |
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PDWFSU(JL,3)=PDWFSU(JL,3)+ZWW3 |
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PDWFSU(JL,4)=PDWFSU(JL,4)+ZWW4 |
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PDWFSU(JL,5)=PDWFSU(JL,5)+ZWW5 |
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PDWFSU(JL,6)=PDWFSU(JL,6)+ZWW6 |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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!* 2.2.4 DISTANT AND BELOW LAYERS |
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! ------------------------ |
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!* 2.2.5 FIRST LOWER LEVEL |
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! ----------------- |
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DO JK=3,KLEV+1 |
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IKN=(JK-1)*NG1P1+1 |
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IKM1=JK-1 |
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IKJ=JK-2 |
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IKU1= IKJ *NG1P1+1 |
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CALL LWTTM & |
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& ( KIDIA , KFDIA , KLON,& |
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& PGA(1,1,1,IKJ) , PGB(1,1,1,IKJ),& |
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& PABCU(1,1,IKU1), PABCU(1,1,IKN), ZTT1 & |
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& ) |
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!* 2.2.6 DOWN BELOW |
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! ---------- |
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ITT=1 |
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DO JLK=1,IKJ |
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IF(ITT == 1) THEN |
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ITT=2 |
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ELSE |
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ITT=1 |
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ENDIF |
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IJKL=IKM1-JLK |
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IKU2=(IJKL-1)*NG1P1+1 |
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IF(ITT == 1) THEN |
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CALL LWTTM & |
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& ( KIDIA , KFDIA , KLON,& |
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& PGA(1,1,1,IJKL), PGB(1,1,1,IJKL),& |
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& PABCU(1,1,IKU2), PABCU(1,1,IKN) , ZTT1 & |
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& ) |
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ELSE |
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CALL LWTTM & |
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& ( KIDIA , KFDIA , KLON,& |
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& PGA(1,1,1,IJKL), PGB(1,1,1,IJKL),& |
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& PABCU(1,1,IKU2), PABCU(1,1,IKN) , ZTT2 & |
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& ) |
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ENDIF |
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DO JA = 1, KTRAER |
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DO JL = KIDIA,KFDIA |
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ZTT(JL,JA) = (ZTT1(JL,JA)+ZTT2(JL,JA))*0.5_JPRB |
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ENDDO |
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ENDDO |
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DO JL = KIDIA,KFDIA |
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ZWW=PDBDT(JL,1,IJKL)*ZTT(JL,1) *ZTT(JL,10)& |
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& +PDBDT(JL,2,IJKL)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11)& |
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& +PDBDT(JL,3,IJKL)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12)& |
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& +PDBDT(JL,4,IJKL)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13)& |
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& +PDBDT(JL,5,IJKL)*ZTT(JL,3) *ZTT(JL,14)& |
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& +PDBDT(JL,6,IJKL)*ZTT(JL,6) *ZTT(JL,15) |
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PDISU(JL,JK)=PDISU(JL,JK)+ZWW |
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PCNTRB(JL,JK,IJKL)=ZWW |
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ENDDO |
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ENDDO |
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ENDDO |
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! ------------------------------------------------------------------ |
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IF (LHOOK) CALL DR_HOOK('LWVD',1,ZHOOK_HANDLE) |
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END SUBROUTINE LWVD |