1 | !*********************************************************************** |
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2 | !* Copyright 2012,2013 * |
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3 | !* Jerome Brioude, Delia Arnold, Andreas Stohl, Wayne Angevine, * |
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4 | !* John Burkhart, Massimo Cassiani, Adam Dingwell, Richard C Easter, Sabine Eckhardt,* |
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5 | !* Stephanie Evan, Jerome D Fast, Don Morton, Ignacio Pisso, * |
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6 | !* Petra Seibert, Gerard Wotawa, Caroline Forster, Harald Sodemann, * |
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7 | !* * |
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8 | !* This file is part of FLEXPART WRF * |
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9 | !* * |
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10 | !* FLEXPART is free software: you can redistribute it and/or modify * |
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11 | !* it under the terms of the GNU General Public License as published by* |
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12 | !* the Free Software Foundation, either version 3 of the License, or * |
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13 | !* (at your option) any later version. * |
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14 | !* * |
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15 | !* FLEXPART is distributed in the hope that it will be useful, * |
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16 | !* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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17 | !* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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18 | !* GNU General Public License for more details. * |
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19 | !* * |
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20 | !* You should have received a copy of the GNU General Public License * |
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21 | !* along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
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22 | !*********************************************************************** |
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23 | program flexwrf_mpi |
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24 | ! |
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25 | !******************************************************************************* |
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26 | ! * |
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27 | ! This is the Lagrangian Particle Dispersion Model FLEXPART_WRF. * |
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28 | ! * |
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29 | ! FLEXPART uses met. files from the ECMWF model (in grib format), * |
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30 | ! and its internal computational grid is latitude-longitude. * |
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31 | ! * |
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32 | ! FLEXPART_WRF uses met. files from the WRF model (in NetCDF format), * |
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33 | ! and its internal computational grid is the WRF x-y grid. * |
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34 | ! * |
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35 | ! The main program manages the reading of model run specifications, etc. * |
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36 | ! All actual computing is done within subroutine timemanager. * |
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37 | ! * |
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38 | ! Author: A. Stohl * |
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39 | ! 18 May 1996 * |
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40 | ! * |
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41 | ! Nov 2005, R. Easter - Added the above comments and changed * |
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42 | ! the program name to "flexpart_wrf" * |
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43 | ! * |
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44 | ! Feb 2012, J Brioude- modify the name of the pilt_wrf model from PNLL * |
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45 | ! to flexwrf. |
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46 | ! start doing versions * |
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47 | ! input information should be put in flexwr.input * |
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48 | ! Mar 2012, J Brioude: Hybrid parallelization of v74. everything converted * |
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49 | ! in fortran 90, based on version 90.1 of the main stream * |
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50 | ! version of FLEXPART. * |
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51 | ! Jun 2012, J Brioude: Add tests on arguments to the flexwrf input file. * |
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52 | !******************************************************************************* |
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53 | ! * |
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54 | ! Variables: * |
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55 | ! * |
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56 | ! Constants: * |
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57 | ! * |
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58 | !******************************************************************************* |
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59 | |
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60 | |
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61 | use point_mod |
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62 | use par_mod |
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63 | use com_mod |
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64 | use conv_mod |
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65 | |
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66 | !-- modules below added by mc for parallel random generaiton using teh RANLUX |
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67 | !and Mersenne-Twister generator |
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68 | use luxury |
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69 | use mt_stream |
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70 | implicit none |
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71 | |
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72 | include 'mpif.h' |
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73 | |
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74 | integer :: i,j,ix,jy,inest,ii |
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75 | ! integer :: MPI_COMM_WORLD |
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76 | integer :: idummy |
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77 | integer :: inext,inextp,ma(55),iff |
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78 | integer, dimension(MPI_STATUS_SIZE) :: status |
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79 | integer :: myid,ntasks,ierr,islave |
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80 | ! ,len2 |
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81 | ! character(len=200) :: inputname |
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82 | real, external :: ran3 ! added by mc to use RAN3 using the original JB random number system |
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83 | integer, allocatable :: seed(:) ! here and below further variable used by the MT generator |
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84 | integer(4) :: iseed = 73519232 |
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85 | integer :: id |
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86 | type (mt_state) :: mts (0: MAX_STREAM) |
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87 | character :: nummpi_id*2 !for test on pc |
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88 | |
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89 | ! integer, parameter :: master=0, mstgtag1=11, msgtag2=12 |
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90 | |
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91 | |
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92 | ! if (myid.eq.0) then |
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93 | !let's comment the line above to let each node reading and making the same |
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94 | !thing. |
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95 | |
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96 | ! save inext,inextp,ma,iff |
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97 | iff=0 |
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98 | ! print*,'before 1' |
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99 | call MPI_INIT( ierr ) |
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100 | call MPI_COMM_RANK ( MPI_COMM_WORLD, myid, ierr ) |
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101 | call MPI_COMM_SIZE ( MPI_COMM_WORLD, ntasks, ierr ) |
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102 | |
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103 | ! print*,'after 1' |
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104 | |
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105 | print*,'MPI id',myid |
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106 | ! Generate a large number of random numbers |
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107 | ! write(*,9100) 'degrees longitude,latitude', |
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108 | ! + 'degrees longitude,latitude' |
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109 | ! else |
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110 | ! write(*,9100) 'grid-meters', 'grid-meters' |
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111 | ! endif |
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112 | !9100 format( ' x,y coordinates in input files must be in ', a / |
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113 | ! + ' x,y coordinates in output files will be in ', a / ) |
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114 | |
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115 | |
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116 | if (command_argument_count().eq.0) then |
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117 | print*,'the input file used is flexwrf.input in the ' // & |
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118 | 'local folder of the executable' |
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119 | inputname='flexwrf.input' |
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120 | endif |
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121 | if (command_argument_count().gt.0) then |
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122 | call get_command_argument(1,inputname,len2,ierr) |
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123 | print*,'the input file used is ' // inputname |
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124 | endif |
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125 | ! Generate a large number of random numbers |
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126 | !****************************************** |
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127 | if (newrandomgen.eq.0) then |
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128 | idummy = -320-(myid*4049) |
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129 | ! idummy = -320 |
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130 | do j=1,maxomp |
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131 | do i=1,maxrand-1,2 |
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132 | ii=i+(j-1)*maxrand |
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133 | call gasdev1(idummy,rannumb(ii),rannumb(ii+1),inext,inextp,ma,iff) |
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134 | enddo |
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135 | enddo |
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136 | ii=maxrand*maxomp |
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137 | call gasdev1(idummy,rannumb(ii),rannumb(ii-1),inext,inextp,ma,iff) |
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138 | ! print*,'rand',myid |
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139 | ! print*,rannumb(1:5) |
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140 | ! call ranlux(uniform_rannumb,maxrandomp) ! this generate a uniform distribution |
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141 | else |
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142 | idummy=254+myid*443 !different seed for different mpi processes are produced so indepedent stream for any mpi process suing RANLUX are certain |
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143 | call RLUXGO(3,idummy,0,0) ! this set the luxury level to 3 and initalize the generator for any myid |
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144 | do i=1,maxrand-1,2 |
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145 | call gasdevlux2R(rannumb(i),rannumb(i+1)) !this will generate a guassian distribution |
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146 | end do |
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147 | call gasdevlux2R(rannumb(maxrand),rannumb(maxrand-1)) |
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148 | ! Generate a stream of uniform deviate random numbers to be used for CBL |
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149 | call ranlux(uniform_rannumb,maxrand) ! this generate a uniform distribution |
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150 | |
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151 | !----- comment by MC: now initialize the mersenne twister generator for a number |
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152 | !max_stream of possible streams |
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153 | !----- to be called subsequently by any openmp process activated. note RANLUX |
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154 | !above is suppose to be the best generator |
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155 | !----- but it is slower than mersenne twister and moreover it would require some |
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156 | !adaptation for workiong with openmp processes |
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157 | !do this on any mpi_process taht will have a copy of all the MT generator |
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158 | !initialization |
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159 | ! set parameters |
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160 | |
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161 | call set_mt19937 |
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162 | |
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163 | ! initialize MT state type |
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164 | call new (mts(0)) |
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165 | |
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166 | call init (mts(0),iseed) !iseed unique and defined above. note that the lenght of the period of the master stream is about 2^19000 |
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167 | |
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168 | ! initialize additional streams from the master. this is done jumping |
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169 | ! between different points in the stream any child stream has period |
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170 | ! 2^256 |
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171 | do id=1, MAX_STREAM |
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172 | call create_stream (mts(0),mts(id),id) |
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173 | end do |
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174 | end if |
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175 | |
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176 | ! Read the unified input file - jdf |
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177 | !*************************** |
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178 | |
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179 | call readinput |
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180 | |
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181 | if ( DRYDEP ) then |
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182 | |
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183 | ! Read the landuse inventory |
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184 | !*************************** |
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185 | |
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186 | call readlanduse |
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187 | |
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188 | ! Assign fractional cover of landuse classes to each ECMWF grid point |
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189 | !******************************************************************** |
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190 | |
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191 | call assignland |
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192 | |
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193 | |
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194 | ! Read and compute surface resistances to dry deposition of gases |
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195 | !**************************************************************** |
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196 | |
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197 | call readdepo |
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198 | endif |
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199 | ! Convert the release point coordinates from geografical to grid coordinates |
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200 | !*************************************************************************** |
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201 | |
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202 | call coordtrafo |
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203 | |
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204 | ! Initialize all particles to non-existent |
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205 | !***************************************** |
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206 | |
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207 | ! do j=1,maxpart |
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208 | ! itra1(j)=-999999999 |
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209 | ! enddo |
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210 | |
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211 | ! For continuation of previous run, read in particle positions |
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212 | !************************************************************* |
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213 | |
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214 | if (ipin.eq.1) then |
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215 | call readpartpositions |
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216 | else |
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217 | numpart=0 |
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218 | numparticlecount=0 |
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219 | |
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220 | endif |
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221 | |
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222 | |
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223 | ! Calculate volume, surface area, etc., of all output grid cells |
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224 | !*************************************************************** |
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225 | ! if (myid.eq.0) then |
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226 | if (outgrid_option.eq.0) then |
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227 | call outgrid_init_irreg |
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228 | if (nested_output.eq.1) call outgrid_init_nest_irreg() !need to be fixed |
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229 | elseif (outgrid_option.eq.1) then |
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230 | call outgrid_init_reg |
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231 | if (nested_output.eq.1) call outgrid_init_nest_reg() !need to be fixed |
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232 | endif |
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233 | ! endif |
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234 | ! if (nested_output.eq.1) call outgrid_init_nest() !need to be fixed |
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235 | |
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236 | |
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237 | ! Read the OH field |
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238 | !****************** |
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239 | |
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240 | if (OHREA.eqv..TRUE.) & |
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241 | call readohfield |
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242 | |
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243 | ! Write basic information on the simulation to a file "header" |
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244 | ! and open files that are to be kept open throughout the simulation |
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245 | !****************************************************************** |
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246 | |
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247 | if (myid.eq.0) then |
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248 | if (iouttype.eq.0 .or. iouttype.eq.1) then ! binary or ascii output |
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249 | call writeheader |
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250 | if (nested_output.eq.1) call writeheader_nest() !need to be fixed |
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251 | else ! netcdf output |
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252 | call write_ncheader(0,0) |
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253 | if (nested_output.eq.1) call write_ncheader(0,1) |
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254 | ! if (nested_output.eq.1) then |
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255 | ! write(*,*) 'netcdf nested output not finished yet! aborting' |
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256 | ! stop |
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257 | ! endif |
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258 | endif !iouttype |
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259 | ! open(unitdates,file=path(2)(1:length(2))//'dates') |
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260 | open(unitdates,file=path(1)(1:length(1))//'dates') |
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261 | call openreceptors |
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262 | if ((iout.eq.4).or.(iout.eq.5)) call openouttraj |
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263 | |
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264 | endif |
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265 | ! Releases can only start and end at discrete times (multiples of lsynctime) |
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266 | !*************************************************************************** |
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267 | |
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268 | do i=1,numpoint |
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269 | ireleasestart(i)=nint(real(ireleasestart(i))/ & |
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270 | real(lsynctime))*lsynctime |
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271 | ireleaseend(i)=nint(real(ireleaseend(i))/ & |
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272 | real(lsynctime))*lsynctime |
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273 | enddo |
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274 | |
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275 | ! Initialize cloud-base mass fluxes for the convection scheme |
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276 | !************************************************************ |
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277 | |
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278 | do jy=0,nymin1 |
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279 | do ix=0,nxmin1 |
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280 | cbaseflux(ix,jy)=0. |
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281 | end do |
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282 | end do |
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283 | |
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284 | do inest=1,numbnests |
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285 | do jy=0,nyn(inest)-1 |
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286 | do ix=0,nxn(inest)-1 |
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287 | cbasefluxn(ix,jy,inest)=0. |
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288 | end do |
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289 | end do |
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290 | end do |
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291 | |
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292 | |
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293 | ! Calculate particle trajectories |
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294 | !******************************** |
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295 | ! endif !if condition on myid |
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296 | call MPI_BARRIER(MPI_COMM_WORLD,ierr) |
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297 | |
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298 | |
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299 | ! print*,'entering timemanager' |
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300 | call timemanager_mpi(mts) |
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301 | |
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302 | |
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303 | write(*,'(/a/)') 'CONGRATULATIONS: YOU HAVE SUCCESSFULLY ' // & |
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304 | 'COMPLETED A FLEXPART_WRF MODEL RUN!' |
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305 | |
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306 | call MPI_FINALIZE ( ierr ) |
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307 | |
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308 | end program flexwrf_mpi |
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309 | |
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