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SUBROUTINE LWVD(KUAER,KTRAER |
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S , PABCU,PDBDT |
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R , PGA,PGB |
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S , PCNTRB,PDISD,PDISU) |
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use dimens_m |
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use dimphy |
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use raddim |
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use raddimlw |
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IMPLICIT none |
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C |
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C----------------------------------------------------------------------- |
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C PURPOSE. |
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C -------- |
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C CARRIES OUT THE VERTICAL INTEGRATION ON THE DISTANT LAYERS |
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C |
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C METHOD. |
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C ------- |
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C |
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C 1. PERFORMS THE VERTICAL INTEGRATION CORRESPONDING TO THE |
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C CONTRIBUTIONS OF THE DISTANT LAYERS USING TRAPEZOIDAL RULE |
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C |
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C REFERENCE. |
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C ---------- |
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C |
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C SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
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C ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
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C |
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C AUTHOR. |
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C ------- |
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C JEAN-JACQUES MORCRETTE *ECMWF* |
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C |
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C MODIFICATIONS. |
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C -------------- |
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C ORIGINAL : 89-07-14 |
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C----------------------------------------------------------------------- |
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C* ARGUMENTS: |
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C |
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INTEGER KUAER,KTRAER |
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C |
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REAL*8 PABCU(KDLON,NUA,3*KFLEV+1) ! ABSORBER AMOUNTS |
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REAL*8 PDBDT(KDLON,Ninter,KFLEV) ! LAYER PLANCK FUNCTION GRADIENT |
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REAL*8 PGA(KDLON,8,2,KFLEV) ! PADE APPROXIMANTS |
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REAL*8 PGB(KDLON,8,2,KFLEV) ! PADE APPROXIMANTS |
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C |
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REAL*8 PCNTRB(KDLON,KFLEV+1,KFLEV+1) ! ENERGY EXCHANGE MATRIX |
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REAL*8 PDISD(KDLON,KFLEV+1) ! CONTRIBUTION BY DISTANT LAYERS |
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REAL*8 PDISU(KDLON,KFLEV+1) ! CONTRIBUTION BY DISTANT LAYERS |
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C |
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C* LOCAL VARIABLES: |
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C |
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REAL*8 ZGLAYD(KDLON) |
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REAL*8 ZGLAYU(KDLON) |
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REAL*8 ZTT(KDLON,NTRA) |
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REAL*8 ZTT1(KDLON,NTRA) |
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REAL*8 ZTT2(KDLON,NTRA) |
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C |
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INTEGER jl, jk, ja, ikp1, ikn, ikd1, jkj, ikd2 |
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INTEGER ikjp1, ikm1, ikj, jlk, iku1, ijkl, iku2 |
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INTEGER ind1, ind2, ind3, ind4, itt |
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REAL*8 zww, zdzxdg, zdzxmg |
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C |
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C* 1. INITIALIZATION |
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C -------------- |
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C |
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100 CONTINUE |
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C |
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C* 1.1 INITIALIZE LAYER CONTRIBUTIONS |
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C ------------------------------ |
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C |
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110 CONTINUE |
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C |
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DO 112 JK = 1, KFLEV+1 |
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DO 111 JL = 1, KDLON |
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PDISD(JL,JK) = 0. |
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PDISU(JL,JK) = 0. |
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111 CONTINUE |
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112 CONTINUE |
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C |
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C* 1.2 INITIALIZE TRANSMISSION FUNCTIONS |
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C --------------------------------- |
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C |
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120 CONTINUE |
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C |
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C |
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DO 122 JA = 1, NTRA |
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DO 121 JL = 1, KDLON |
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ZTT (JL,JA) = 1.0 |
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ZTT1(JL,JA) = 1.0 |
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ZTT2(JL,JA) = 1.0 |
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121 CONTINUE |
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122 CONTINUE |
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C |
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C ------------------------------------------------------------------ |
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C |
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C* 2. VERTICAL INTEGRATION |
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C -------------------- |
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C |
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200 CONTINUE |
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C |
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IND1=0 |
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IND3=0 |
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IND4=1 |
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IND2=1 |
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C |
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C |
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C* 2.2 CONTRIBUTION FROM DISTANT LAYERS |
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C --------------------------------- |
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C |
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220 CONTINUE |
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C |
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C |
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C* 2.2.1 DISTANT AND ABOVE LAYERS |
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C ------------------------ |
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C |
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2210 CONTINUE |
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C |
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C |
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C |
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C* 2.2.2 FIRST UPPER LEVEL |
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C ----------------- |
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C |
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2220 CONTINUE |
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C |
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DO 225 JK = 1 , KFLEV-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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C |
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CALL LWTTM(PGA(1,1,1,JK), PGB(1,1,1,JK) |
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2 , PABCU(1,1,IKN),PABCU(1,1,IKD1),ZTT1) |
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C |
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C |
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C |
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C* 2.2.3 HIGHER UP |
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C --------- |
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C |
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2230 CONTINUE |
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C |
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ITT=1 |
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DO 224 JKJ=IKP1,KFLEV |
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IF(ITT.EQ.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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C |
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IF(ITT.EQ.1) THEN |
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CALL LWTTM(PGA(1,1,1,JKJ),PGB(1,1,1,JKJ) |
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2 , PABCU(1,1,IKN),PABCU(1,1,IKD2),ZTT1) |
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ELSE |
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CALL LWTTM(PGA(1,1,1,JKJ),PGB(1,1,1,JKJ) |
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2 , PABCU(1,1,IKN),PABCU(1,1,IKD2),ZTT2) |
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ENDIF |
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C |
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DO 2235 JA = 1, KTRAER |
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DO 2234 JL = 1, KDLON |
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ZTT(JL,JA) = (ZTT1(JL,JA)+ZTT2(JL,JA))*0.5 |
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2234 CONTINUE |
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2235 CONTINUE |
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C |
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DO 2236 JL = 1, KDLON |
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ZWW=PDBDT(JL,1,JKJ)*ZTT(JL,1) *ZTT(JL,10) |
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S +PDBDT(JL,2,JKJ)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11) |
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S +PDBDT(JL,3,JKJ)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12) |
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S +PDBDT(JL,4,JKJ)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13) |
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S +PDBDT(JL,5,JKJ)*ZTT(JL,3) *ZTT(JL,14) |
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S +PDBDT(JL,6,JKJ)*ZTT(JL,6) *ZTT(JL,15) |
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ZGLAYD(JL)=ZWW |
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ZDZXDG=ZGLAYD(JL) |
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PDISD(JL,JK)=PDISD(JL,JK)+ZDZXDG |
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PCNTRB(JL,JK,IKJP1)=ZDZXDG |
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2236 CONTINUE |
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C |
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C |
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224 CONTINUE |
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225 CONTINUE |
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C |
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C |
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C* 2.2.4 DISTANT AND BELOW LAYERS |
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C ------------------------ |
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C |
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2240 CONTINUE |
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C |
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C |
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C |
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C* 2.2.5 FIRST LOWER LEVEL |
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C ----------------- |
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C |
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2250 CONTINUE |
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C |
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DO 228 JK=3,KFLEV+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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C |
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C |
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CALL LWTTM(PGA(1,1,1,IKJ),PGB(1,1,1,IKJ) |
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2 , PABCU(1,1,IKU1),PABCU(1,1,IKN),ZTT1) |
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C |
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C |
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C |
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C* 2.2.6 DOWN BELOW |
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C ---------- |
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C |
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2260 CONTINUE |
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C |
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ITT=1 |
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DO 227 JLK=1,IKJ |
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IF(ITT.EQ.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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C |
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C |
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IF(ITT.EQ.1) THEN |
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CALL LWTTM(PGA(1,1,1,IJKL),PGB(1,1,1,IJKL) |
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2 , PABCU(1,1,IKU2),PABCU(1,1,IKN),ZTT1) |
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ELSE |
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CALL LWTTM(PGA(1,1,1,IJKL),PGB(1,1,1,IJKL) |
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2 , PABCU(1,1,IKU2),PABCU(1,1,IKN),ZTT2) |
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ENDIF |
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C |
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DO 2265 JA = 1, KTRAER |
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DO 2264 JL = 1, KDLON |
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ZTT(JL,JA) = (ZTT1(JL,JA)+ZTT2(JL,JA))*0.5 |
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2264 CONTINUE |
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2265 CONTINUE |
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C |
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DO 2266 JL = 1, KDLON |
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ZWW=PDBDT(JL,1,IJKL)*ZTT(JL,1) *ZTT(JL,10) |
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S +PDBDT(JL,2,IJKL)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11) |
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S +PDBDT(JL,3,IJKL)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12) |
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S +PDBDT(JL,4,IJKL)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13) |
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S +PDBDT(JL,5,IJKL)*ZTT(JL,3) *ZTT(JL,14) |
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S +PDBDT(JL,6,IJKL)*ZTT(JL,6) *ZTT(JL,15) |
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ZGLAYU(JL)=ZWW |
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ZDZXMG=ZGLAYU(JL) |
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PDISU(JL,JK)=PDISU(JL,JK)+ZDZXMG |
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PCNTRB(JL,JK,IJKL)=ZDZXMG |
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2266 CONTINUE |
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C |
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C |
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227 CONTINUE |
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228 CONTINUE |
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C |
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RETURN |
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END |
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