1 | SUBROUTINE LWVN & |
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2 | &( KIDIA, KFDIA, KLON , KLEV , KUAER & |
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3 | &, PABCU, PDBSL, PGA , PGB & |
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4 | &, PADJD, PADJU, PCNTRB, PDBDT, PDWFSU & |
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5 | &) |
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6 | |
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7 | !**** *LWVN* - L.W., VERTICAL INTEGRATION, NEARBY LAYERS |
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8 | |
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9 | ! PURPOSE. |
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10 | ! -------- |
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11 | ! CARRIES OUT THE VERTICAL INTEGRATION ON NEARBY LAYERS |
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12 | ! TO GIVE LONGWAVE FLUXES OR RADIANCES |
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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 | ! PDBSL : (KLON,KLEV*2) ; SUB-LAYER PLANCK FUNCTION GRADIENT |
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22 | ! PGA, PGB ; PADE APPROXIMANTS |
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23 | ! ==== OUTPUTS === |
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24 | ! PADJ.. : (KLON,KLEV+1) ; CONTRIBUTION OF ADJACENT LAYERS |
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25 | ! PCNTRB : (KLON,KLEV+1,KLEV+1); CLEAR-SKY ENERGY EXCHANGE MATRIX |
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26 | ! PDBDT : (KLON,NUA,KLEV) ; LAYER PLANCK FUNCTION GRADIENT |
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27 | ! PDWFSU : (KLON,NSIL) ; SPECTRAL DOWNWARD FLUX AT SURFACE |
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28 | |
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29 | ! IMPLICIT ARGUMENTS : NONE |
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30 | ! -------------------- |
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31 | |
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32 | ! METHOD. |
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33 | ! ------- |
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34 | |
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35 | ! 1. PERFORMS THE VERTICAL INTEGRATION CORRESPONDING TO THE |
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36 | ! CONTRIBUTIONS OF THE ADJACENT LAYERS USING A GAUSSIAN QUADRATURE |
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37 | |
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38 | ! EXTERNALS. |
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39 | ! ---------- |
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40 | |
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41 | ! *LWTT* |
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42 | |
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43 | ! REFERENCE. |
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44 | ! ---------- |
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45 | |
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46 | ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
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47 | ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
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48 | |
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49 | ! AUTHOR. |
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50 | ! ------- |
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51 | ! JEAN-JACQUES MORCRETTE *ECMWF* |
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52 | |
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53 | ! MODIFICATIONS. |
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54 | ! -------------- |
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55 | ! ORIGINAL : 89-07-14 |
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56 | ! JJ Morcrette 97-04-18 Revised Continuum + Surf.Emissiv. |
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57 | !----------------------------------------------------------------------- |
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58 | |
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59 | #include "tsmbkind.h" |
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60 | |
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61 | USE YOELW , ONLY : NSIL ,NIPD ,NTRA ,NUA ,& |
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62 | &NG1 ,NG1P1 ,WG1 |
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63 | |
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64 | |
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65 | IMPLICIT NONE |
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66 | |
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67 | |
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68 | ! DUMMY INTEGER SCALARS |
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69 | INTEGER_M :: KFDIA |
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70 | INTEGER_M :: KIDIA |
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71 | INTEGER_M :: KLEV |
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72 | INTEGER_M :: KLON |
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73 | INTEGER_M :: KUAER |
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74 | |
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75 | |
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76 | |
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77 | !----------------------------------------------------------------------- |
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78 | |
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79 | !* 0.1 ARGUMENTS |
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80 | ! --------- |
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81 | |
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82 | |
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83 | REAL_B :: PABCU(KLON,NUA,3*KLEV+1)& |
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84 | &, PDBSL(KLON,NSIL,KLEV*2)& |
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85 | &, PGA(KLON,NIPD,2,KLEV) , PGB(KLON,NIPD,2,KLEV) |
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86 | |
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87 | REAL_B :: PADJD(KLON,KLEV+1) , PADJU(KLON,KLEV+1)& |
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88 | &, PCNTRB(KLON,KLEV+1,KLEV+1)& |
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89 | &, PDBDT(KLON,NSIL,KLEV) , PDWFSU(KLON,NSIL) |
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90 | |
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91 | !----------------------------------------------------------------------- |
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92 | |
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93 | !* 0.2 LOCAL ARRAYS |
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94 | ! ------------ |
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95 | |
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96 | REAL_B :: ZTT(KLON,NTRA), ZTT1(KLON,NTRA), ZTT2(KLON,NTRA), ZUU(KLON,NUA) |
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97 | |
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98 | ! LOCAL INTEGER SCALARS |
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99 | INTEGER_M :: IBS, IDD, IM12, IMU, IND, INU, IXD, IXU,& |
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100 | &JA, JG, JK, JK1, JK2, JL, JNU |
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101 | |
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102 | ! LOCAL REAL SCALARS |
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103 | REAL_B :: ZWTR, ZWTR1, ZWTR2, ZWTR3, ZWTR4, ZWTR5, ZWTR6 |
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104 | |
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105 | |
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106 | !----------------------------------------------------------------------- |
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107 | |
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108 | !* 1. INITIALIZATION |
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109 | ! -------------- |
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110 | |
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111 | !* 1.1 INITIALIZE LAYER CONTRIBUTIONS |
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112 | ! ------------------------------ |
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113 | |
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114 | DO JK = 1 , KLEV+1 |
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115 | DO JL = KIDIA,KFDIA |
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116 | PADJD(JL,JK) = _ZERO_ |
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117 | PADJU(JL,JK) = _ZERO_ |
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118 | ENDDO |
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119 | ENDDO |
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120 | |
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121 | !* 1.2 INITIALIZE TRANSMISSION FUNCTIONS |
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122 | ! --------------------------------- |
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123 | |
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124 | DO JA = 1 , NTRA |
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125 | DO JL = KIDIA,KFDIA |
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126 | ZTT (JL,JA) = _ONE_ |
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127 | ZTT1(JL,JA) = _ONE_ |
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128 | ZTT2(JL,JA) = _ONE_ |
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129 | ENDDO |
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130 | ENDDO |
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131 | |
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132 | DO JA = 1 , NUA |
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133 | DO JL = KIDIA,KFDIA |
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134 | ZUU(JL,JA) = _ZERO_ |
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135 | ENDDO |
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136 | ENDDO |
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137 | |
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138 | ! ------------------------------------------------------------------ |
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139 | |
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140 | !* 2. VERTICAL INTEGRATION |
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141 | ! -------------------- |
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142 | |
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143 | |
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144 | !* 2.1 CONTRIBUTION FROM ADJACENT LAYERS |
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145 | ! --------------------------------- |
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146 | |
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147 | DO JK = 1 , KLEV |
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148 | |
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149 | !* 2.1.1 DOWNWARD LAYERS |
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150 | ! --------------- |
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151 | |
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152 | IM12 = 2 * (JK - 1) |
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153 | IND = (JK - 1) * NG1P1 + 1 |
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154 | IXD = IND |
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155 | INU = JK * NG1P1 + 1 |
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156 | IXU = IND |
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157 | |
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158 | DO JG = 1 , NG1 |
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159 | IBS = IM12 + JG |
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160 | IDD = IXD + JG |
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161 | |
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162 | DO JA = 1 , KUAER |
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163 | DO JL = KIDIA,KFDIA |
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164 | ZUU(JL,JA) = PABCU(JL,JA,IND) - PABCU(JL,JA,IDD) |
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165 | ENDDO |
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166 | ENDDO |
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167 | |
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168 | |
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169 | CALL LWTT & |
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170 | &( KIDIA , KFDIA , KLON & |
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171 | &, PGA(1,1,1,JK), PGB(1,1,1,JK)& |
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172 | &, ZUU , ZTT & |
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173 | &) |
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174 | |
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175 | DO JL = KIDIA,KFDIA |
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176 | ZWTR1=PDBSL(JL,1,IBS)*ZTT(JL,1) *ZTT(JL,10) |
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177 | ZWTR2=PDBSL(JL,2,IBS)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11) |
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178 | ZWTR3=PDBSL(JL,3,IBS)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12) |
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179 | ZWTR4=PDBSL(JL,4,IBS)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13) |
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180 | ZWTR5=PDBSL(JL,5,IBS)*ZTT(JL,3) *ZTT(JL,14) |
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181 | ZWTR6=PDBSL(JL,6,IBS)*ZTT(JL,6) *ZTT(JL,15) |
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182 | ZWTR=ZWTR1+ZWTR2+ZWTR3+ZWTR4+ZWTR5+ZWTR6 |
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183 | PADJD(JL,JK) = PADJD(JL,JK) + ZWTR * WG1(JG) |
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184 | IF (JK == 1) THEN |
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185 | PDWFSU(JL,1)=PDWFSU(JL,1)+WG1(JG)*ZWTR1 |
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186 | PDWFSU(JL,2)=PDWFSU(JL,2)+WG1(JG)*ZWTR2 |
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187 | PDWFSU(JL,3)=PDWFSU(JL,3)+WG1(JG)*ZWTR3 |
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188 | PDWFSU(JL,4)=PDWFSU(JL,4)+WG1(JG)*ZWTR4 |
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189 | PDWFSU(JL,5)=PDWFSU(JL,5)+WG1(JG)*ZWTR5 |
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190 | PDWFSU(JL,6)=PDWFSU(JL,6)+WG1(JG)*ZWTR6 |
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191 | ENDIF |
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192 | ENDDO |
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193 | |
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194 | !* 2.1.2 UPWARD LAYERS |
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195 | ! ------------- |
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196 | |
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197 | IMU = IXU + JG |
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198 | DO JA = 1 , KUAER |
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199 | DO JL = KIDIA,KFDIA |
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200 | ZUU(JL,JA) = PABCU(JL,JA,IMU) - PABCU(JL,JA,INU) |
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201 | ENDDO |
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202 | ENDDO |
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203 | |
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204 | |
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205 | CALL LWTT & |
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206 | &( KIDIA , KFDIA , KLON & |
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207 | &, PGA(1,1,1,JK), PGB(1,1,1,JK)& |
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208 | &, ZUU , ZTT & |
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209 | &) |
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210 | |
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211 | DO JL = KIDIA,KFDIA |
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212 | ZWTR=PDBSL(JL,1,IBS)*ZTT(JL,1) *ZTT(JL,10)& |
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213 | &+PDBSL(JL,2,IBS)*ZTT(JL,2)*ZTT(JL,7)*ZTT(JL,11)& |
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214 | &+PDBSL(JL,3,IBS)*ZTT(JL,4)*ZTT(JL,8)*ZTT(JL,12)& |
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215 | &+PDBSL(JL,4,IBS)*ZTT(JL,5)*ZTT(JL,9)*ZTT(JL,13)& |
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216 | &+PDBSL(JL,5,IBS)*ZTT(JL,3) *ZTT(JL,14)& |
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217 | &+PDBSL(JL,6,IBS)*ZTT(JL,6) *ZTT(JL,15) |
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218 | PADJU(JL,JK+1) = PADJU(JL,JK+1) + ZWTR * WG1(JG) |
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219 | ENDDO |
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220 | |
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221 | ENDDO |
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222 | |
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223 | DO JL = KIDIA,KFDIA |
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224 | PCNTRB(JL,JK,JK+1) = PADJD(JL,JK) |
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225 | PCNTRB(JL,JK+1,JK) = PADJU(JL,JK+1) |
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226 | PCNTRB(JL,JK ,JK) = _ZERO_ |
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227 | ENDDO |
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228 | |
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229 | ENDDO |
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230 | |
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231 | DO JK = 1 , KLEV |
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232 | JK2 = 2 * JK |
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233 | JK1 = JK2 - 1 |
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234 | |
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235 | DO JNU = 1 , NSIL |
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236 | DO JL = KIDIA,KFDIA |
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237 | PDBDT(JL,JNU,JK) = PDBSL(JL,JNU,JK1) + PDBSL(JL,JNU,JK2) |
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238 | ENDDO |
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239 | ENDDO |
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240 | ENDDO |
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241 | |
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242 | !----------------------------------------------------------------------- |
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243 | |
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244 | RETURN |
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245 | END SUBROUTINE LWVN |
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