| 1 | SUBROUTINE LWBV & |
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| 2 | & ( KIDIA, KFDIA, KLON , KLEV , KMODE,& |
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| 3 | & PDT0 , PEMIS, PEMIW,& |
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| 4 | & PTL , PTAVE,& |
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| 5 | & PEMIT, PFLUC,& |
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| 6 | & PABCU, PBINT, PBSUI, PCNTRB & |
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| 7 | & ) |
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| 8 | |
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| 9 | !**** *LWBV* - COMPUTE PLANCK FUNC., PERF. VERT. INTEGRATION |
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| 10 | |
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| 11 | ! PURPOSE. |
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| 12 | ! -------- |
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| 13 | ! TO COMPUTE THE PLANCK FUNCTION AND PERFORM THE |
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| 14 | ! VERTICAL INTEGRATION. SPLIT OUT FROM LW FOR MEMORY |
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| 15 | ! SAVING |
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| 16 | |
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| 17 | !** INTERFACE. |
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| 18 | ! ---------- |
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| 19 | |
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| 20 | ! *LWVB* IS CALLED FROM *LW* |
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| 21 | |
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| 22 | ! EXPLICIT ARGUMENTS : |
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| 23 | ! -------------------- |
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| 24 | ! PDT0 : (KLON) ; SURFACE TEMPERATURE DISCONTINUITY |
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| 25 | ! PEMIS : (KLON) ; SURFACE LW EMISSIVITY |
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| 26 | ! PEMIW : (KLON) ; SURFACE LW WINDOW EMISSIVITY |
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| 27 | ! PTAVE : (KLON,KLEV) ; TEMPERATURE |
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| 28 | ! PTL : (KLON,KLEV+1) ; HALF LEVEL TEMPERATURE |
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| 29 | ! ==== OUTPUTS === |
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| 30 | ! PABCU : |
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| 31 | ! PBINT : |
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| 32 | ! PBSUI : |
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| 33 | ! PCNTRB : |
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| 34 | ! PCOLC : |
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| 35 | ! PEMIT : |
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| 36 | ! PFLUC : |
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| 37 | |
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| 38 | ! IMPLICIT ARGUMENTS : NONE |
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| 39 | ! -------------------- |
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| 40 | |
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| 41 | ! METHOD. |
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| 42 | ! ------- |
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| 43 | |
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| 44 | ! 1. COMPUTES THE PLANCK FUNCTIONS ON THE INTERFACES AND THE |
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| 45 | ! GRADIENT OF PLANCK FUNCTIONS IN THE LAYERS. |
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| 46 | ! 2. PERFORMS THE VERTICAL INTEGRATION DISTINGUISHING THE CON- |
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| 47 | ! TRIBUTIONS OF THE ADJACENT AND DISTANT LAYERS AND THOSE FROM THE |
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| 48 | ! BOUNDARIES. |
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| 49 | ! 3. COMPUTES THE CLEAR-SKY COOLING RATES. |
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| 50 | |
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| 51 | ! EXTERNALS. |
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| 52 | ! ---------- |
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| 53 | |
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| 54 | ! *LWB*, *LWV* |
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| 55 | |
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| 56 | ! REFERENCE. |
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| 57 | ! ---------- |
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| 58 | |
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| 59 | ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
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| 60 | ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
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| 61 | |
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| 62 | ! AUTHOR. |
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| 63 | ! ------- |
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| 64 | ! JEAN-JACQUES MORCRETTE *ECMWF* |
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| 65 | |
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| 66 | ! MODIFICATIONS. |
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| 67 | ! -------------- |
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| 68 | ! ORIGINAL : 89-07-14 |
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| 69 | ! MODIFICATION : 93-10-15 M.HAMRUD (SPLIT OUT FROM LW TO SAVE |
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| 70 | ! MEMORY) |
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| 71 | ! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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| 72 | !----------------------------------------------------------------------- |
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| 73 | |
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| 74 | USE PARKIND1 ,ONLY : JPIM ,JPRB |
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| 75 | USE YOMHOOK ,ONLY : LHOOK, DR_HOOK |
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| 76 | |
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| 77 | USE YOELW , ONLY : NSIL ,NIPD ,NUA |
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| 78 | USE YOERDU , ONLY : NUAER ,NTRAER |
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| 79 | |
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| 80 | IMPLICIT NONE |
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| 81 | |
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| 82 | INTEGER(KIND=JPIM),INTENT(IN) :: KLON |
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| 83 | INTEGER(KIND=JPIM),INTENT(IN) :: KLEV |
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| 84 | INTEGER(KIND=JPIM),INTENT(IN) :: KIDIA |
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| 85 | INTEGER(KIND=JPIM),INTENT(IN) :: KFDIA |
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| 86 | INTEGER(KIND=JPIM),INTENT(IN) :: KMODE |
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| 87 | REAL(KIND=JPRB) ,INTENT(IN) :: PDT0(KLON) |
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| 88 | REAL(KIND=JPRB) ,INTENT(IN) :: PEMIS(KLON) |
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| 89 | REAL(KIND=JPRB) ,INTENT(IN) :: PEMIW(KLON) |
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| 90 | REAL(KIND=JPRB) ,INTENT(IN) :: PTL(KLON,KLEV+1) |
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| 91 | REAL(KIND=JPRB) ,INTENT(IN) :: PTAVE(KLON,KLEV) |
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| 92 | REAL(KIND=JPRB) ,INTENT(OUT) :: PEMIT(KLON) |
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| 93 | REAL(KIND=JPRB) ,INTENT(OUT) :: PFLUC(KLON,2,KLEV+1) |
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| 94 | REAL(KIND=JPRB) ,INTENT(IN) :: PABCU(KLON,NUA,3*KLEV+1) |
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| 95 | REAL(KIND=JPRB) ,INTENT(INOUT) :: PBINT(KLON,KLEV+1) |
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| 96 | REAL(KIND=JPRB) ,INTENT(OUT) :: PBSUI(KLON) |
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| 97 | REAL(KIND=JPRB) ,INTENT(OUT) :: PCNTRB(KLON,KLEV+1,KLEV+1) |
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| 98 | !----------------------------------------------------------------------- |
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| 99 | |
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| 100 | !* 0.1 ARGUMENTS |
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| 101 | ! --------- |
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| 102 | |
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| 103 | !------------------------------------------------------------------------- |
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| 104 | |
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| 105 | ! ------------ |
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| 106 | REAL(KIND=JPRB) ::& |
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| 107 | & ZB(KLON,NSIL,KLEV+1), ZBSUR(KLON,NSIL) , ZBTOP(KLON,NSIL)& |
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| 108 | & , ZDBSL(KLON,NSIL,KLEV*2)& |
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| 109 | & , ZGA(KLON,NIPD,2,KLEV) , ZGB(KLON,NIPD,2,KLEV)& |
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| 110 | & , ZGASUR(KLON,NIPD,2) , ZGBSUR(KLON,NIPD,2)& |
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| 111 | & , ZGATOP(KLON,NIPD,2) , ZGBTOP(KLON,NIPD,2) |
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| 112 | |
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| 113 | INTEGER(KIND=JPIM) :: JL, JLW |
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| 114 | REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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| 115 | |
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| 116 | #include "lwb.intfb.h" |
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| 117 | #include "lwv.intfb.h" |
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| 118 | |
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| 119 | ! ------------------------------------------------------------------ |
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| 120 | |
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| 121 | !* 2. COMPUTES PLANCK FUNCTIONS |
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| 122 | ! ------------------------- |
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| 123 | |
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| 124 | IF (LHOOK) CALL DR_HOOK('LWBV',0,ZHOOK_HANDLE) |
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| 125 | print *,'LWBV: avant LWB' |
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| 126 | CALL LWB & |
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| 127 | & ( KIDIA, KFDIA, KLON , KLEV , KMODE,& |
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| 128 | & PDT0 , PTAVE, PTL,& |
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| 129 | & ZB , PBINT, ZBSUR , ZBTOP , ZDBSL,& |
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| 130 | & ZGA , ZGB , ZGASUR, ZGBSUR, ZGATOP, ZGBTOP & |
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| 131 | & ) |
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| 132 | |
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| 133 | ! ------------------------------------------------------------------ |
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| 134 | |
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| 135 | !* 3. PERFORMS THE VERTICAL INTEGRATION |
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| 136 | ! --------------------------------- |
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| 137 | |
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| 138 | CALL LWV & |
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| 139 | & ( KIDIA , KFDIA, KLON , KLEV,& |
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| 140 | & NUAER , NTRAER,& |
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| 141 | & PABCU , ZB , PBINT , ZBSUR , ZBTOP , ZDBSL,& |
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| 142 | & PEMIS , PEMIW,& |
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| 143 | & ZGA , ZGB , ZGASUR, ZGBSUR, ZGATOP, ZGBTOP,& |
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| 144 | & PCNTRB, PFLUC & |
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| 145 | & ) |
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| 146 | |
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| 147 | DO JL=KIDIA,KFDIA |
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| 148 | PEMIT(JL)=0.0_JPRB |
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| 149 | PBSUI(JL)=0.0_JPRB |
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| 150 | ENDDO |
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| 151 | DO JLW=1,NSIL |
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| 152 | DO JL=KIDIA,KFDIA |
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| 153 | PBSUI(JL)=PBSUI(JL)+ZBSUR(JL,JLW) |
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| 154 | IF (JLW >= 3.AND. JLW <= 4) THEN |
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| 155 | PEMIT(JL)=PEMIT(JL)+ZBSUR(JL,JLW)*PEMIW(JL) |
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| 156 | ELSE |
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| 157 | PEMIT(JL)=PEMIT(JL)+ZBSUR(JL,JLW)*PEMIS(JL) |
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| 158 | ENDIF |
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| 159 | ENDDO |
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| 160 | ENDDO |
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| 161 | DO JL=KIDIA,KFDIA |
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| 162 | PEMIT(JL)=PEMIT(JL)/PBSUI(JL) |
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| 163 | ENDDO |
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| 164 | |
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| 165 | ! ------------------------------------------------------------------ |
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| 166 | |
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| 167 | IF (LHOOK) CALL DR_HOOK('LWBV',1,ZHOOK_HANDLE) |
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| 168 | END SUBROUTINE LWBV |
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