| [2089] | 1 | SUBROUTINE OLW & |
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| 2 | & ( KIDIA, KFDIA , KLON , KLEV & |
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| 3 | & , PCCO2, PCLDLD, PCLDLU & |
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| 4 | & , PDP , PDT0 , PEMIS & |
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| 5 | & , PAPH , PQOF , PTH & |
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| 6 | & , PAER , PT , PVIEW , PWV & |
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| 7 | & , PCOLR, PCOLC , PFLUX, PFLUC & |
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| 8 | & ) |
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| 9 | ! |
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| 10 | !**** *LW* - ORGANIZES THE LONGWAVE CALCULATIONS |
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| 11 | ! |
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| 12 | ! PURPOSE. |
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| 13 | ! -------- |
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| 14 | ! DEPENDING ON KMODE, COMPUTES LONGWAVE FLUXES AND/OR |
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| 15 | ! RADIANCES |
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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 | ! *LW* IS CALLED FROM *RADLSW* |
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| 21 | ! |
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| 22 | ! EXPLICIT ARGUMENTS : |
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| 23 | ! -------------------- |
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| 24 | ! PAER : (KLON,KLEV,6) ; OPTICAL THICKNESS OF THE AEROSOLS |
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| 25 | ! PCCO2 : ; CONCENTRATION IN CO2 (PA/PA) |
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| 26 | ! PCLDLD : (KLON,KLEV) ; DOWNWARD EFFECTIVE FRACTIONAL COVER |
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| 27 | ! PCLDLU : (KLON,KLEV) ; UPWARD EFFECTIVE FRACTIONAL COVER |
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| 28 | ! PDP : (KLON,KLEV) ; LAYER PRESSURE THICKNESS |
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| 29 | ! PDT0 : (KLON) ; SURFACE TEMPERATURE DISCONTINUITY |
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| 30 | ! PEMIS : (KLON) ; SURFACE EMISSIVITY |
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| 31 | ! PAPH : (KLON,KLEV+1) ; HALF LEVEL PRESSURE |
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| 32 | ! PQOF : (KLON,KLEV) ; CONCENTRATION IN OZONE (PA/PA) |
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| 33 | ! PT : (KLON,KLEV) ; TEMPERATURE |
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| 34 | ! PTH : (KLON,KLEV+1) ; HALF LEVEL TEMPERATURE |
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| 35 | ! PVIEW : (KLON) ; COSECANT OF VIEWING ANGLE |
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| 36 | ! PWV : (KLON,KLEV) ; SPECIFIC HUMIDITY (PA/PA) |
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| 37 | ! ==== OUTPUTS === |
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| 38 | ! IF KMODE = 0, 1, 2 |
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| 39 | ! PFLUX(KLON,2,KLEV) ; RADIATIVE FLUXES : |
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| 40 | ! 1 ==> UPWARD FLUX TOTAL |
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| 41 | ! 2 ==> DOWNWARD FLUX TOTAL |
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| 42 | ! PFLUC(KLON,2,KLEV) ; RADIATIVE FLUXES CLEAR SKY: |
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| 43 | ! 1 ==> UPWARD FLUX TOTAL |
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| 44 | ! 2 ==> DOWNWARD FLUX TOTAL |
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| 45 | ! PCOLR(KLON,KLEV) ; LONG-WAVE TENDENCY |
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| 46 | ! PCOLC(KLON,KLEV) ; LONG-WAVE TENDENCY CLEAR SKY |
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| 47 | ! |
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| 48 | ! IMPLICIT ARGUMENTS : NONE |
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| 49 | ! -------------------- |
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| 50 | ! |
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| 51 | ! METHOD. |
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| 52 | ! ------- |
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| 53 | ! |
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| 54 | ! 1. COMPUTES THE PRESSURE AND TEMPERATURE WEIGHTED AMOUNTS OF |
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| 55 | ! ABSORBERS. |
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| 56 | ! 2. COMPUTES THE PLANCK FUNCTIONS ON THE INTERFACES AND THE |
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| 57 | ! GRADIENT OF PLANCK FUNCTIONS IN THE LAYERS. |
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| 58 | ! 3. PERFORMS THE VERTICAL INTEGRATION DISTINGUISHING THE CON- |
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| 59 | ! TRIBUTIONS OF THE ADJACENT AND DISTANT LAYERS AND THOSE FROM THE |
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| 60 | ! BOUNDARIES. |
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| 61 | ! 4. COMPUTES THE CLEAR-SKY DOWNWARD AND UPWARD EMISSIVITIES. |
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| 62 | ! 5. INTRODUCES THE EFFECTS OF THE CLOUDS ON THE FLUXES. |
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| 63 | ! |
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| 64 | ! EXTERNALS. |
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| 65 | ! ---------- |
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| 66 | ! |
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| 67 | ! *LWU*, *LWBV*, *LWC* |
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| 68 | ! |
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| 69 | ! REFERENCE. |
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| 70 | ! ---------- |
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| 71 | ! |
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| 72 | ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
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| 73 | ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
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| 74 | ! |
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| 75 | ! AUTHOR. |
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| 76 | ! ------- |
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| 77 | ! JEAN-JACQUES MORCRETTE *ECMWF* |
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| 78 | ! |
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| 79 | ! MODIFICATIONS. |
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| 80 | ! -------------- |
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| 81 | ! ORIGINAL : 89-07-14 |
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| 82 | !----------------------------------------------------------------------- |
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| 83 | |
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| 84 | #include "tsmbkind.h" |
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| 85 | |
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| 86 | USE YOEOLW , ONLY : NUA |
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| 87 | USE YOERDU , ONLY : RCDAY |
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| 88 | USE YOEDBUG , ONLY : LDEBUG |
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| 89 | |
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| 90 | |
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| 91 | IMPLICIT NONE |
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| 92 | |
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| 93 | ! DUMMY INTEGER SCALARS |
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| 94 | INTEGER_M :: KFDIA |
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| 95 | INTEGER_M :: KIDIA |
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| 96 | INTEGER_M :: KLEV |
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| 97 | INTEGER_M :: KLON |
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| 98 | |
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| 99 | ! DUMMY REAL SCALARS |
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| 100 | REAL_B :: PCCO2, ZDFNET |
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| 101 | |
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| 102 | !----------------------------------------------------------------------- |
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| 103 | ! |
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| 104 | !* 0.1 ARGUMENTS |
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| 105 | ! --------- |
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| 106 | ! |
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| 107 | REAL_B :: PCLDLD(KLON,KLEV) , PCLDLU(KLON,KLEV) & |
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| 108 | & , PDP(KLON,KLEV) , PDT0(KLON) & |
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| 109 | & , PEMIS(KLON) , PAPH(KLON,KLEV+1) & |
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| 110 | & , PQOF(KLON,KLEV) , PTH(KLON,KLEV+1) & |
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| 111 | & , PAER(KLON,KLEV,6), PT(KLON,KLEV) & |
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| 112 | & , PVIEW(KLON) , PWV(KLON,KLEV) |
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| 113 | ! |
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| 114 | REAL_B :: PCOLR(KLON,KLEV) , PCOLC(KLON,KLEV) & |
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| 115 | & , PFLUX(KLON,2,KLEV+1), PFLUC(KLON,2,KLEV+1) |
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| 116 | ! |
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| 117 | !------------------------------------------------------------------------- |
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| 118 | ! |
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| 119 | !* 0.2 LOCAL ARRAYS |
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| 120 | ! ------------ |
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| 121 | REAL_B :: ZABCU(KLON,NUA,3*KLEV+1) & |
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| 122 | & , ZBINT(KLON,KLEV+1) & |
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| 123 | & , ZBSUI(KLON) & |
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| 124 | & , ZCNTRB(KLON,KLEV+1,KLEV+1) & |
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| 125 | & , ZFDN(KLON,KLEV+1) & |
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| 126 | & , ZFUP(KLON,KLEV+1) |
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| 127 | |
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| 128 | ! LOCAL INTEGER SCALARS |
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| 129 | INTEGER_M :: JK, JKL, JL, ILIM, IUA, KLEVT, JK1, JK2 |
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| 130 | |
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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 | !* 1. INITIALIZATION |
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| 136 | ! -------------- |
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| 137 | ! |
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| 138 | ! ------------------------------------------------------------------ |
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| 139 | ! |
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| 140 | !* 1.1 COMPUTES ABSORBER AMOUNTS |
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| 141 | ! ------------------------- |
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| 142 | ! |
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| 143 | |
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| 144 | CALL OLWU ( KIDIA, KFDIA, KLON, KLEV & |
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| 145 | & , PAER, PCCO2, PDP, PAPH, PQOF, PT, PVIEW, PWV & |
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| 146 | & , ZABCU ) |
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| 147 | |
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| 148 | ! |
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| 149 | ! ------------------------------------------------------------------ |
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| 150 | ! |
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| 151 | !* 2. COMPUTES PLANCK FUNCTIONS |
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| 152 | ! ------------------------- |
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| 153 | ! PERFORMS THE VERTICAL INTEGRATION |
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| 154 | ! --------------------------------- |
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| 155 | |
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| 156 | DO JK1=1,KLEV+1 |
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| 157 | DO JK2=1,KLEV+1 |
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| 158 | DO JL=KIDIA,KFDIA |
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| 159 | ZCNTRB(JL,JK1,JK2)=0. |
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| 160 | END DO |
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| 161 | END DO |
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| 162 | END DO |
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| 163 | ! |
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| 164 | CALL OLWBV( KIDIA,KFDIA,KLON,KLEV & |
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| 165 | & , PDP,PDT0,PEMIS,PTH & |
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| 166 | & , PT & |
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| 167 | & , PCOLC,PFLUC & |
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| 168 | & , ZABCU,ZBINT,ZBSUI,ZCNTRB,ZFDN,ZFUP) |
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| 169 | |
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| 170 | ! ------------------------------------------------------------------ |
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| 171 | ! |
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| 172 | !* 4. INTRODUCES THE EFFECTS OF CLOUDS |
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| 173 | ! -------------------------------- |
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| 174 | ! |
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| 175 | CALL OLWC ( KIDIA,KFDIA,KLON,KLEV & |
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| 176 | & , ZBINT,ZBSUI,PCLDLD,PCLDLU,ZCNTRB,PEMIS,ZFDN,ZFUP & |
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| 177 | & , PFLUX ) |
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| 178 | ! |
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| 179 | DO JKL = 1 , KLEV |
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| 180 | JK = KLEV+1 - JKL |
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| 181 | |
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| 182 | DO JL = KIDIA,KFDIA |
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| 183 | ZDFNET = PFLUX(JL,1,JK+1) + PFLUX(JL,2,JK+1) & |
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| 184 | & -PFLUX(JL,1,JK ) - PFLUX(JL,2,JK ) |
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| 185 | PCOLR(JL,JK) = RCDAY * ZDFNET / PDP(JL,JKL) |
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| 186 | |
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| 187 | ZDFNET = PFLUC(JL,1,JK+1) + PFLUC(JL,2,JK+1) & |
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| 188 | & -PFLUC(JL,1,JK ) - PFLUC(JL,2,JK ) |
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| 189 | PCOLC(JL,JK) = RCDAY * ZDFNET / PDP(JL,JKL) |
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| 190 | END DO |
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| 191 | |
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| 192 | END DO |
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| 193 | ! |
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| 194 | ! ------------------------------------------------------------------ |
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| 195 | ! |
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| 196 | RETURN |
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| 197 | END SUBROUTINE OLW |
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