[3990] | 1 | SUBROUTINE LWVD & |
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| 2 | &( KIDIA, KFDIA, KLON , KLEV , KTRAER & |
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| 3 | &, PABCU, PDBDT & |
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| 4 | &, PGA , PGB & |
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| 5 | &, PCNTRB, PDISD, PDISU, PDWFSU & |
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| 6 | &) |
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| 7 | |
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| 8 | !**** *LWVD* - L.W., VERTICAL INTEGRATION, DISTANT LAYERS |
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| 9 | |
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| 10 | ! PURPOSE. |
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| 11 | ! -------- |
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| 12 | ! CARRIES OUT THE VERTICAL INTEGRATION ON THE DISTANT LAYERS |
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| 13 | |
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| 14 | !** INTERFACE. |
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| 15 | ! ---------- |
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| 16 | |
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| 17 | ! EXPLICIT ARGUMENTS : |
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| 18 | ! -------------------- |
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| 19 | ! ==== INPUTS === |
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| 20 | ! PABCU : (KLON,NUA,3*KLEV+1) ; ABSORBER AMOUNTS |
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| 21 | ! PDBDT : (KLON,KLEV) ; LAYER PLANCK FUNCTION GRADIENT |
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| 22 | ! PGA, PGB ; PADE APPROXIMANTS |
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| 23 | ! ==== OUTPUTS === |
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| 24 | ! PCNTRB : (KLON,KLEV+1,KLEV+1); ENERGY EXCHANGE MATRIX |
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| 25 | ! PDIS.. : (KLON,KLEV+1) ; CONTRIBUTION BY DISTANT LAYERS |
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| 26 | ! PDWFSU : (KLON,NSIL) ; SPECTRAL DOWNWARD FLUX AT SURFACE |
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| 27 | |
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| 28 | ! IMPLICIT ARGUMENTS : NONE |
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| 29 | ! -------------------- |
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| 30 | |
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| 31 | ! METHOD. |
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| 32 | ! ------- |
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| 33 | |
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| 34 | ! 1. PERFORMS THE VERTICAL INTEGRATION CORRESPONDING TO THE |
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| 35 | ! CONTRIBUTIONS OF THE DISTANT LAYERS USING TRAPEZOIDAL RULE |
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| 36 | |
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| 37 | ! EXTERNALS. |
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| 38 | ! ---------- |
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| 39 | |
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| 40 | ! *LWTT* |
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| 41 | |
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| 42 | ! REFERENCE. |
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| 43 | ! ---------- |
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| 44 | |
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| 45 | ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
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| 46 | ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
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| 47 | |
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| 48 | ! AUTHOR. |
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| 49 | ! ------- |
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| 50 | ! JEAN-JACQUES MORCRETTE *ECMWF* |
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| 51 | |
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| 52 | ! MODIFICATIONS. |
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| 53 | ! -------------- |
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| 54 | ! ORIGINAL : 89-07-14 |
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| 55 | ! JJ Morcrette 97-04-18 Revised continuum + Surf. Emissiv. |
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| 56 | !----------------------------------------------------------------------- |
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| 57 | |
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| 58 | #include "tsmbkind.h" |
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| 59 | |
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| 60 | USE YOELW , ONLY : NSIL ,NIPD ,NTRA ,NUA ,NG1P1 |
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| 61 | |
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| 62 | |
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| 63 | IMPLICIT NONE |
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| 64 | |
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| 65 | |
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| 66 | ! DUMMY INTEGER SCALARS |
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| 67 | INTEGER_M :: KFDIA |
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| 68 | INTEGER_M :: KIDIA |
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| 69 | INTEGER_M :: KLEV |
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| 70 | INTEGER_M :: KLON |
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| 71 | INTEGER_M :: KTRAER |
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| 72 | |
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| 73 | |
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| 74 | |
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| 75 | !----------------------------------------------------------------------- |
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| 76 | |
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| 77 | !* 0.1 ARGUMENTS |
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| 78 | ! --------- |
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| 79 | |
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| 80 | |
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| 81 | REAL_B :: PABCU(KLON,NUA,3*KLEV+1)& |
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| 82 | &, PDBDT(KLON,NSIL,KLEV)& |
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| 83 | &, PGA(KLON,NIPD,2,KLEV) , PGB(KLON,NIPD,2,KLEV) |
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| 84 | |
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| 85 | REAL_B :: PCNTRB(KLON,KLEV+1,KLEV+1)& |
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| 86 | &, PDISD(KLON,KLEV+1) , PDISU(KLON,KLEV+1)& |
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| 87 | &, PDWFSU(KLON,NSIL) |
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| 88 | |
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| 89 | !----------------------------------------------------------------------- |
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| 90 | |
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| 91 | !* 0.2 LOCAL ARRAYS |
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| 92 | ! ------------ |
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| 93 | |
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| 94 | REAL_B :: ZTT(KLON,NTRA), ZTT1(KLON,NTRA), ZTT2(KLON,NTRA) |
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| 95 | |
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| 96 | ! LOCAL INTEGER SCALARS |
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| 97 | INTEGER_M :: IJKL, IKD1, IKD2, IKJ, IKJP1, IKM1, IKN,& |
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| 98 | &IKP1, IKU1, IKU2, ITT, JA, JK, JKJ, JL, JLK |
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| 99 | |
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| 100 | ! LOCAL REAL SCALARS |
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| 101 | REAL_B :: ZWW, ZWW1, ZWW2, ZWW3, ZWW4, ZWW5, ZWW6 |
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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 | !* 1. INITIALIZATION |
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| 107 | ! -------------- |
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| 108 | |
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| 109 | !* 1.1 INITIALIZE LAYER CONTRIBUTIONS |
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| 110 | ! ------------------------------ |
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| 111 | |
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| 112 | DO JK = 1, KLEV+1 |
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| 113 | DO JL = KIDIA,KFDIA |
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| 114 | PDISD(JL,JK) = _ZERO_ |
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| 115 | PDISU(JL,JK) = _ZERO_ |
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| 116 | ENDDO |
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| 117 | ENDDO |
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| 118 | |
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| 119 | !* 1.2 INITIALIZE TRANSMISSION FUNCTIONS |
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| 120 | ! --------------------------------- |
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| 121 | |
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| 122 | DO JA = 1, NTRA |
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| 123 | DO JL = KIDIA,KFDIA |
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| 124 | ZTT (JL,JA) = _ONE_ |
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| 125 | ZTT1(JL,JA) = _ONE_ |
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| 126 | ZTT2(JL,JA) = _ONE_ |
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| 127 | ENDDO |
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| 128 | ENDDO |
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| 129 | |
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| 130 | ! ------------------------------------------------------------------ |
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| 131 | |
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| 132 | !* 2. VERTICAL INTEGRATION |
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| 133 | ! -------------------- |
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| 134 | |
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| 135 | |
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| 136 | !* 2.2 CONTRIBUTION FROM DISTANT LAYERS |
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| 137 | ! --------------------------------- |
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| 138 | |
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| 139 | |
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| 140 | !* 2.2.1 DISTANT AND ABOVE LAYERS |
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| 141 | ! ------------------------ |
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| 142 | |
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| 143 | |
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| 144 | !* 2.2.2 FIRST UPPER LEVEL |
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| 145 | ! ----------------- |
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| 146 | |
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| 147 | DO JK = 1 , KLEV-1 |
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| 148 | IKP1=JK+1 |
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| 149 | IKN=(JK-1)*NG1P1+1 |
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| 150 | IKD1= JK *NG1P1+1 |
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| 151 | |
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| 152 | CALL LWTTM & |
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| 153 | &( KIDIA , KFDIA , KLON & |
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| 154 | &, PGA(1,1,1,JK) , PGB(1,1,1,JK)& |
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| 155 | &, PABCU(1,1,IKN), PABCU(1,1,IKD1), ZTT1 & |
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| 156 | &) |
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| 157 | |
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| 158 | |
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| 159 | |
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| 160 | !* 2.2.3 HIGHER UP |
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| 161 | ! --------- |
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| 162 | |
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| 163 | ITT=1 |
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| 164 | DO JKJ=IKP1,KLEV |
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| 165 | IF(ITT == 1) THEN |
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| 166 | ITT=2 |
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| 167 | ELSE |
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| 168 | ITT=1 |
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| 169 | ENDIF |
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| 170 | IKJP1=JKJ+1 |
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| 171 | IKD2= JKJ *NG1P1+1 |
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| 172 | |
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| 173 | IF(ITT == 1) THEN |
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| 174 | CALL LWTTM & |
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| 175 | &( KIDIA , KFDIA , KLON & |
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| 176 | &, PGA(1,1,1,JKJ), PGB(1,1,1,JKJ)& |
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| 177 | &, PABCU(1,1,IKN), PABCU(1,1,IKD2), ZTT1 & |
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| 178 | &) |
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| 179 | |
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| 180 | |
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| 181 | ELSE |
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| 182 | CALL LWTTM & |
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| 183 | &( KIDIA , KFDIA , KLON & |
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| 184 | &, PGA(1,1,1,JKJ), PGB(1,1,1,JKJ)& |
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| 185 | &, PABCU(1,1,IKN), PABCU(1,1,IKD2), ZTT2 & |
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| 186 | &) |
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| 187 | |
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| 188 | |
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| 189 | ENDIF |
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| 190 | |
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| 191 | DO JA = 1, KTRAER |
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| 192 | DO JL = KIDIA,KFDIA |
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| 193 | ZTT(JL,JA) = (ZTT1(JL,JA)+ZTT2(JL,JA))*_HALF_ |
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| 194 | ENDDO |
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| 195 | ENDDO |
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| 196 | |
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| 197 | DO JL = KIDIA,KFDIA |
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| 198 | ZWW1=PDBDT(JL,1,JKJ)*ZTT(JL,1) *ZTT(JL,10) |
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| 199 | ZWW2=PDBDT(JL,2,JKJ)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11) |
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| 200 | ZWW3=PDBDT(JL,3,JKJ)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12) |
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| 201 | ZWW4=PDBDT(JL,4,JKJ)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13) |
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| 202 | ZWW5=PDBDT(JL,5,JKJ)*ZTT(JL,3) *ZTT(JL,14) |
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| 203 | ZWW6=PDBDT(JL,6,JKJ)*ZTT(JL,6) *ZTT(JL,15) |
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| 204 | ZWW=ZWW1+ZWW2+ZWW3+ZWW4+ZWW5+ZWW6 |
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| 205 | PDISD(JL,JK)=PDISD(JL,JK)+ZWW |
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| 206 | PCNTRB(JL,JK,IKJP1)=ZWW |
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| 207 | IF (JK == 1) THEN |
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| 208 | PDWFSU(JL,1)=PDWFSU(JL,1)+ZWW1 |
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| 209 | PDWFSU(JL,2)=PDWFSU(JL,2)+ZWW2 |
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| 210 | PDWFSU(JL,3)=PDWFSU(JL,3)+ZWW3 |
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| 211 | PDWFSU(JL,4)=PDWFSU(JL,4)+ZWW4 |
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| 212 | PDWFSU(JL,5)=PDWFSU(JL,5)+ZWW5 |
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| 213 | PDWFSU(JL,6)=PDWFSU(JL,6)+ZWW6 |
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| 214 | ENDIF |
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| 215 | ENDDO |
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| 216 | |
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| 217 | |
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| 218 | ENDDO |
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| 219 | ENDDO |
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| 220 | |
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| 221 | |
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| 222 | !* 2.2.4 DISTANT AND BELOW LAYERS |
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| 223 | ! ------------------------ |
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| 224 | |
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| 225 | |
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| 226 | !* 2.2.5 FIRST LOWER LEVEL |
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| 227 | ! ----------------- |
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| 228 | |
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| 229 | DO JK=3,KLEV+1 |
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| 230 | IKN=(JK-1)*NG1P1+1 |
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| 231 | IKM1=JK-1 |
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| 232 | IKJ=JK-2 |
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| 233 | IKU1= IKJ *NG1P1+1 |
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| 234 | |
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| 235 | |
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| 236 | CALL LWTTM & |
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| 237 | &( KIDIA , KFDIA , KLON & |
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| 238 | &, PGA(1,1,1,IKJ) , PGB(1,1,1,IKJ)& |
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| 239 | &, PABCU(1,1,IKU1), PABCU(1,1,IKN), ZTT1 & |
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| 240 | &) |
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| 241 | |
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| 242 | |
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| 243 | |
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| 244 | |
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| 245 | !* 2.2.6 DOWN BELOW |
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| 246 | ! ---------- |
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| 247 | |
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| 248 | ITT=1 |
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| 249 | DO JLK=1,IKJ |
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| 250 | IF(ITT == 1) THEN |
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| 251 | ITT=2 |
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| 252 | ELSE |
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| 253 | ITT=1 |
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| 254 | ENDIF |
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| 255 | IJKL=IKM1-JLK |
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| 256 | IKU2=(IJKL-1)*NG1P1+1 |
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| 257 | |
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| 258 | |
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| 259 | IF(ITT == 1) THEN |
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| 260 | CALL LWTTM & |
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| 261 | &( KIDIA , KFDIA , KLON & |
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| 262 | &, PGA(1,1,1,IJKL), PGB(1,1,1,IJKL)& |
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| 263 | &, PABCU(1,1,IKU2), PABCU(1,1,IKN) , ZTT1 & |
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| 264 | &) |
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| 265 | |
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| 266 | |
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| 267 | ELSE |
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| 268 | CALL LWTTM & |
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| 269 | &( KIDIA , KFDIA , KLON & |
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| 270 | &, PGA(1,1,1,IJKL), PGB(1,1,1,IJKL)& |
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| 271 | &, PABCU(1,1,IKU2), PABCU(1,1,IKN) , ZTT2 & |
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| 272 | &) |
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| 273 | |
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| 274 | |
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| 275 | ENDIF |
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| 276 | |
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| 277 | DO JA = 1, KTRAER |
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| 278 | DO JL = KIDIA,KFDIA |
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| 279 | ZTT(JL,JA) = (ZTT1(JL,JA)+ZTT2(JL,JA))*_HALF_ |
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| 280 | ENDDO |
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| 281 | ENDDO |
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| 282 | |
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| 283 | DO JL = KIDIA,KFDIA |
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| 284 | ZWW=PDBDT(JL,1,IJKL)*ZTT(JL,1) *ZTT(JL,10)& |
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| 285 | &+PDBDT(JL,2,IJKL)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11)& |
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| 286 | &+PDBDT(JL,3,IJKL)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12)& |
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| 287 | &+PDBDT(JL,4,IJKL)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13)& |
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| 288 | &+PDBDT(JL,5,IJKL)*ZTT(JL,3) *ZTT(JL,14)& |
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| 289 | &+PDBDT(JL,6,IJKL)*ZTT(JL,6) *ZTT(JL,15) |
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| 290 | PDISU(JL,JK)=PDISU(JL,JK)+ZWW |
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| 291 | PCNTRB(JL,JK,IJKL)=ZWW |
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| 292 | ENDDO |
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| 293 | |
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| 294 | |
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| 295 | ENDDO |
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| 296 | ENDDO |
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| 297 | |
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| 298 | ! ------------------------------------------------------------------ |
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| 299 | |
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| 300 | RETURN |
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| 301 | END SUBROUTINE LWVD |
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