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 | !----------------------------------------------------------------------- |
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72 | |
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73 | #include "tsmbkind.h" |
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74 | |
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75 | USE YOELW , ONLY : NSIL ,NIPD ,NUA |
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76 | USE YOERDU , ONLY : NUAER ,NTRAER |
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77 | |
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78 | |
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79 | IMPLICIT NONE |
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80 | |
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81 | |
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82 | ! DUMMY INTEGER SCALARS |
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83 | INTEGER_M :: KFDIA |
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84 | INTEGER_M :: KIDIA |
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85 | INTEGER_M :: KLEV |
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86 | INTEGER_M :: KLON |
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87 | INTEGER_M :: KMODE |
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88 | |
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89 | |
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90 | |
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91 | !----------------------------------------------------------------------- |
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92 | |
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93 | !* 0.1 ARGUMENTS |
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94 | ! --------- |
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95 | |
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96 | REAL_B :: PDT0(KLON)& |
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97 | &, PEMIS(KLON) , PEMIW(KLON)& |
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98 | &, PTL(KLON,KLEV+1) , PTAVE(KLON,KLEV) |
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99 | |
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100 | REAL_B :: PABCU(KLON,NUA,3*KLEV+1)& |
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101 | &, PBINT(KLON,KLEV+1) , PBSUI(KLON)& |
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102 | &, PCNTRB(KLON,KLEV+1,KLEV+1)& |
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103 | &, PEMIT(KLON)& |
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104 | &, PFLUC(KLON,2,KLEV+1) |
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105 | |
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106 | !------------------------------------------------------------------------- |
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107 | |
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108 | !* 0.2 LOCAL ARRAYS |
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109 | ! ------------ |
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110 | REAL_B ::& |
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111 | &ZB(KLON,NSIL,KLEV+1), ZBSUR(KLON,NSIL) , ZBTOP(KLON,NSIL)& |
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112 | &, ZDBSL(KLON,NSIL,KLEV*2)& |
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113 | &, ZGA(KLON,NIPD,2,KLEV) , ZGB(KLON,NIPD,2,KLEV)& |
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114 | &, ZGASUR(KLON,NIPD,2) , ZGBSUR(KLON,NIPD,2)& |
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115 | &, ZGATOP(KLON,NIPD,2) , ZGBTOP(KLON,NIPD,2) |
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116 | |
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117 | ! LOCAL INTEGER SCALARS |
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118 | INTEGER_M :: JL, JLW |
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119 | |
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120 | |
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121 | ! ------------------------------------------------------------------ |
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122 | |
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123 | !* 2. COMPUTES PLANCK FUNCTIONS |
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124 | ! ------------------------- |
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125 | |
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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)=_ZERO_ |
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149 | PBSUI(JL)=_ZERO_ |
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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 | RETURN |
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168 | END SUBROUTINE LWBV |
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