1 | !********************************************************************** |
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2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
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3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
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4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
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5 | ! * |
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6 | ! This file is part of FLEXPART. * |
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7 | ! * |
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8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
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9 | ! it under the terms of the GNU General Public License as published by* |
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10 | ! the Free Software Foundation, either version 3 of the License, or * |
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11 | ! (at your option) any later version. * |
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12 | ! * |
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13 | ! FLEXPART is distributed in the hope that it will be useful, * |
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14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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16 | ! GNU General Public License for more details. * |
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17 | ! * |
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18 | ! You should have received a copy of the GNU General Public License * |
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19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
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20 | !********************************************************************** |
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21 | |
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22 | program flexpart |
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23 | |
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24 | !***************************************************************************** |
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25 | ! * |
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26 | ! This is the Lagrangian Particle Dispersion Model FLEXPART. * |
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27 | ! The main program manages the reading of model run specifications, etc. * |
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28 | ! All actual computing is done within subroutine timemanager. * |
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29 | ! * |
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30 | ! Author: A. Stohl * |
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31 | ! * |
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32 | ! 18 May 1996 * |
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33 | ! * |
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34 | !***************************************************************************** |
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35 | ! * |
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36 | ! Variables: * |
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37 | ! * |
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38 | ! Constants: * |
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39 | ! * |
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40 | !***************************************************************************** |
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41 | |
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42 | use point_mod |
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43 | use par_mod |
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44 | use com_mod |
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45 | use conv_mod |
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46 | |
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47 | implicit none |
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48 | |
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49 | integer :: i,j,ix,jy,inest |
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50 | integer :: idummy = -320 |
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51 | ! character(len=256) :: pathfile, flexversion, arg2 |
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52 | |
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53 | |
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54 | ! Generate a large number of random numbers |
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55 | !****************************************** |
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56 | |
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57 | do i=1,maxrand-1,2 |
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58 | call gasdev1(idummy,rannumb(i),rannumb(i+1)) |
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59 | end do |
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60 | call gasdev1(idummy,rannumb(maxrand),rannumb(maxrand-1)) |
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61 | |
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62 | ! |
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63 | flexversion='Version 9.1.6.2 (Build 2013-09-04)' |
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64 | !verbosity=0 |
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65 | ! Read the pathnames where input/output files are stored |
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66 | !******************************************************* |
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67 | |
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68 | select case (iargc()) |
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69 | case (2) |
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70 | call getarg(1,arg1) |
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71 | pathfile=arg1 |
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72 | call getarg(2,arg2) |
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73 | if (trim(arg2).eq.'-v') then |
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74 | print*, 'verbose mode: additional information will be displayed' |
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75 | verbosity=1 |
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76 | endif |
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77 | case (1) |
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78 | call getarg(1,arg1) |
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79 | pathfile=arg1 |
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80 | if (trim(arg1).eq.'-i') then |
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81 | write(*,*) trim(flexversion) !add a function with more info |
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82 | stop |
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83 | endif |
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84 | if (trim(arg1).eq.'-v') then |
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85 | print*, 'verbose mode: additional information will be displayed' |
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86 | verbosity=1 |
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87 | write(pathfile,'(a11)') './pathnames' |
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88 | endif |
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89 | case (0) |
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90 | write(pathfile,'(a11)') './pathnames' |
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91 | end select |
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92 | |
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93 | ! Print the GPL License statement |
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94 | !******************************************************* |
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95 | ! print*,'Welcome to FLEXPART Version 9.1 (Build 20121029)' |
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96 | print*,'Welcome to FLEXPART', trim(flexversion) |
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97 | print*,'FLEXPART is free software released under the GNU Genera'// & |
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98 | 'l Public License.' |
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99 | |
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100 | |
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101 | call readpaths(pathfile) |
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102 | |
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103 | if (verbosity.eq.1) then |
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104 | print*,'length(4)',length(4) |
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105 | !count=0,count_rate=1000 |
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106 | CALL SYSTEM_CLOCK(count_clock0, count_rate, count_max) |
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107 | !WRITE(*,*) 'SYSTEM_CLOCK',count, count_rate, count_max |
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108 | WRITE(*,*) 'SYSTEM_CLOCK, count_clock0', count_clock0 |
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109 | WRITE(*,*) 'SYSTEM_CLOCK, count_rate', count_rate |
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110 | WRITE(*,*) 'SYSTEM_CLOCK, count_max', count_max |
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111 | endif |
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112 | |
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113 | |
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114 | ! Read the user specifications for the current model run |
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115 | !******************************************************* |
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116 | |
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117 | call readcommand |
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118 | |
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119 | |
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120 | ! Read the age classes to be used |
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121 | !******************************** |
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122 | |
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123 | call readageclasses |
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124 | |
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125 | |
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126 | ! Read, which wind fields are available within the modelling period |
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127 | !****************************************************************** |
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128 | |
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129 | call readavailable |
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130 | |
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131 | |
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132 | ! Read the model grid specifications, |
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133 | ! both for the mother domain and eventual nests |
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134 | !********************************************** |
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135 | |
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136 | call gridcheck |
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137 | call gridcheck_nests |
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138 | |
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139 | |
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140 | ! Read the output grid specifications |
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141 | !************************************ |
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142 | |
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143 | call readoutgrid |
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144 | if (nested_output.eq.1) call readoutgrid_nest |
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145 | |
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146 | |
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147 | ! Read the receptor points for which extra concentrations are to be calculated |
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148 | !***************************************************************************** |
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149 | |
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150 | call readreceptors |
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151 | if (verbosity.eq.1) then |
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152 | print*,'readreceptors' |
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153 | endif |
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154 | |
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155 | ! Read the physico-chemical species property table |
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156 | !************************************************* |
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157 | !SEC: now only needed SPECIES are read in readreleases.f |
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158 | !call readspecies |
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159 | |
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160 | |
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161 | ! Read the landuse inventory |
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162 | !*************************** |
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163 | |
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164 | if (verbosity.eq.1) then |
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165 | print*,'readlanduse' |
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166 | endif |
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167 | call readlanduse |
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168 | |
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169 | |
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170 | ! Assign fractional cover of landuse classes to each ECMWF grid point |
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171 | !******************************************************************** |
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172 | |
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173 | if (verbosity.eq.1) then |
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174 | print*,'assignland' |
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175 | endif |
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176 | call assignland |
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177 | |
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178 | |
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179 | |
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180 | ! Read the coordinates of the release locations |
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181 | !********************************************** |
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182 | |
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183 | if (verbosity.eq.1) then |
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184 | print*,'readreleases' |
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185 | endif |
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186 | call readreleases |
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187 | |
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188 | ! Read and compute surface resistances to dry deposition of gases |
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189 | !**************************************************************** |
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190 | |
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191 | if (verbosity.eq.1) then |
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192 | print*,'readdepo' |
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193 | endif |
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194 | call readdepo |
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195 | |
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196 | |
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197 | ! Convert the release point coordinates from geografical to grid coordinates |
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198 | !*************************************************************************** |
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199 | |
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200 | if (verbosity.eq.1) then |
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201 | print*,'coordtrafo' |
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202 | endif |
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203 | call coordtrafo |
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204 | |
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205 | |
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206 | ! Initialize all particles to non-existent |
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207 | !***************************************** |
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208 | |
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209 | if (verbosity.eq.1) then |
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210 | print*,'Initialize all particles to non-existent' |
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211 | endif |
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212 | do j=1,maxpart |
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213 | itra1(j)=-999999999 |
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214 | end do |
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215 | |
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216 | ! For continuation of previous run, read in particle positions |
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217 | !************************************************************* |
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218 | |
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219 | if (ipin.eq.1) then |
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220 | if (verbosity.eq.1) then |
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221 | print*,'readpartpositions' |
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222 | endif |
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223 | call readpartpositions |
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224 | else |
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225 | numpart=0 |
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226 | numparticlecount=0 |
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227 | endif |
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228 | |
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229 | |
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230 | ! Calculate volume, surface area, etc., of all output grid cells |
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231 | ! Allocate fluxes and OHfield if necessary |
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232 | !*************************************************************** |
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233 | |
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234 | call outgrid_init |
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235 | if (nested_output.eq.1) call outgrid_init_nest |
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236 | |
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237 | |
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238 | ! Read the OH field |
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239 | !****************** |
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240 | |
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241 | if (OHREA.eqv..TRUE.) & |
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242 | call readOHfield |
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243 | |
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244 | ! Write basic information on the simulation to a file "header" |
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245 | ! and open files that are to be kept open throughout the simulation |
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246 | !****************************************************************** |
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247 | |
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248 | call writeheader |
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249 | call writeheader_txt |
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250 | !if (nested_output.eq.1) call writeheader_nest |
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251 | if (nested_output.eq.1.and.surf_only.ne.1) call writeheader_nest |
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252 | if (nested_output.eq.1.and.surf_only.eq.1) call writeheader_nest_surf |
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253 | if (nested_output.ne.1.and.surf_only.eq.1) call writeheader_surf |
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254 | |
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255 | |
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256 | |
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257 | !open(unitdates,file=path(2)(1:length(2))//'dates') |
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258 | call openreceptors |
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259 | if ((iout.eq.4).or.(iout.eq.5)) call openouttraj |
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260 | |
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261 | |
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262 | ! Releases can only start and end at discrete times (multiples of lsynctime) |
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263 | !*************************************************************************** |
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264 | |
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265 | do i=1,numpoint |
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266 | ireleasestart(i)=nint(real(ireleasestart(i))/ & |
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267 | real(lsynctime))*lsynctime |
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268 | ireleaseend(i)=nint(real(ireleaseend(i))/ & |
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269 | real(lsynctime))*lsynctime |
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270 | end do |
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271 | |
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272 | |
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273 | ! Initialize cloud-base mass fluxes for the convection scheme |
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274 | !************************************************************ |
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275 | |
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276 | do jy=0,nymin1 |
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277 | do ix=0,nxmin1 |
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278 | cbaseflux(ix,jy)=0. |
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279 | end do |
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280 | end do |
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281 | do inest=1,numbnests |
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282 | do jy=0,nyn(inest)-1 |
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283 | do ix=0,nxn(inest)-1 |
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284 | cbasefluxn(ix,jy,inest)=0. |
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285 | end do |
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286 | end do |
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287 | end do |
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288 | |
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289 | |
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290 | ! Calculate particle trajectories |
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291 | !******************************** |
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292 | if (verbosity.eq.1) then |
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293 | print*,'call timemanager' |
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294 | CALL SYSTEM_CLOCK(count_clock, count_rate, count_max) |
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295 | WRITE(*,*) 'SYSTEM_CLOCK',(count_clock - count_clock0)/count_rate !, count_rate, count_max |
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296 | endif |
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297 | call timemanager |
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298 | |
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299 | |
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300 | write(*,*) 'CONGRATULATIONS: YOU HAVE SUCCESSFULLY COMPLETED A FLE& |
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301 | &XPART MODEL RUN!' |
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302 | |
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303 | end program flexpart |
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