[6] | 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 | |
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| 52 | ! Generate a large number of random numbers |
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| 53 | !****************************************** |
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| 54 | |
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| 55 | do i=1,maxrand-1,2 |
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| 56 | call gasdev1(idummy,rannumb(i),rannumb(i+1)) |
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| 57 | end do |
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| 58 | call gasdev1(idummy,rannumb(maxrand),rannumb(maxrand-1)) |
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| 59 | |
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| 60 | ! Print the GPL License statement |
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| 61 | !******************************************************* |
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| 62 | print*,'Welcome to FLEXPART Version 9.0' |
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| 63 | print*,'FLEXPART is free software released under the GNU Genera'// & |
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| 64 | 'l Public License.' |
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| 65 | |
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| 66 | ! Read the pathnames where input/output files are stored |
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| 67 | !******************************************************* |
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| 68 | |
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| 69 | call readpaths |
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| 70 | |
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| 71 | ! Read the user specifications for the current model run |
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| 72 | !******************************************************* |
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| 73 | |
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| 74 | call readcommand |
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| 75 | |
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| 76 | |
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| 77 | ! Read the age classes to be used |
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| 78 | !******************************** |
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| 79 | |
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| 80 | call readageclasses |
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| 81 | |
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| 82 | |
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| 83 | ! Read, which wind fields are available within the modelling period |
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| 84 | !****************************************************************** |
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| 85 | |
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| 86 | call readavailable |
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| 87 | |
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| 88 | |
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| 89 | ! Read the model grid specifications, |
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| 90 | ! both for the mother domain and eventual nests |
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| 91 | !********************************************** |
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| 92 | |
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| 93 | call gridcheck |
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| 94 | call gridcheck_nests |
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| 95 | |
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| 96 | |
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| 97 | ! Read the output grid specifications |
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| 98 | !************************************ |
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| 99 | |
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| 100 | call readoutgrid |
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| 101 | if (nested_output.eq.1) call readoutgrid_nest |
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| 102 | |
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| 103 | |
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| 104 | ! Read the receptor points for which extra concentrations are to be calculated |
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| 105 | !***************************************************************************** |
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| 106 | |
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| 107 | call readreceptors |
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| 108 | |
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| 109 | |
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| 110 | ! Read the physico-chemical species property table |
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| 111 | !************************************************* |
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| 112 | !SEC: now only needed SPECIES are read in readreleases.f |
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| 113 | !call readspecies |
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| 114 | |
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| 115 | |
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| 116 | ! Read the landuse inventory |
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| 117 | !*************************** |
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| 118 | |
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| 119 | call readlanduse |
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| 120 | |
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| 121 | |
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| 122 | ! Assign fractional cover of landuse classes to each ECMWF grid point |
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| 123 | !******************************************************************** |
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| 124 | |
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| 125 | call assignland |
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| 126 | |
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| 127 | |
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| 128 | |
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| 129 | ! Read the coordinates of the release locations |
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| 130 | !********************************************** |
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| 131 | |
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| 132 | call readreleases |
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| 133 | |
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| 134 | ! Read and compute surface resistances to dry deposition of gases |
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| 135 | !**************************************************************** |
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| 136 | |
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| 137 | call readdepo |
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| 138 | |
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| 139 | |
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| 140 | ! Convert the release point coordinates from geografical to grid coordinates |
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| 141 | !*************************************************************************** |
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| 142 | |
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| 143 | call coordtrafo |
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| 144 | |
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| 145 | |
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| 146 | ! Initialize all particles to non-existent |
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| 147 | !***************************************** |
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| 148 | |
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| 149 | do j=1,maxpart |
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| 150 | itra1(j)=-999999999 |
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| 151 | end do |
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| 152 | |
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| 153 | ! For continuation of previous run, read in particle positions |
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| 154 | !************************************************************* |
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| 155 | |
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| 156 | if (ipin.eq.1) then |
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| 157 | call readpartpositions |
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| 158 | else |
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| 159 | numpart=0 |
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| 160 | numparticlecount=0 |
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| 161 | endif |
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| 162 | |
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| 163 | |
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| 164 | ! Calculate volume, surface area, etc., of all output grid cells |
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| 165 | ! Allocate fluxes and OHfield if necessary |
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| 166 | !*************************************************************** |
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| 167 | |
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| 168 | call outgrid_init |
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| 169 | if (nested_output.eq.1) call outgrid_init_nest |
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| 170 | |
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| 171 | |
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| 172 | ! Read the OH field |
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| 173 | !****************** |
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| 174 | |
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| 175 | if (OHREA.eqv..TRUE.) & |
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| 176 | call readOHfield |
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| 177 | |
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| 178 | ! Write basic information on the simulation to a file "header" |
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| 179 | ! and open files that are to be kept open throughout the simulation |
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| 180 | !****************************************************************** |
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| 181 | |
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| 182 | call writeheader |
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| 183 | if (nested_output.eq.1) call writeheader_nest |
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| 184 | open(unitdates,file=path(2)(1:length(2))//'dates') |
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| 185 | call openreceptors |
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| 186 | if ((iout.eq.4).or.(iout.eq.5)) call openouttraj |
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| 187 | |
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| 188 | |
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| 189 | ! Releases can only start and end at discrete times (multiples of lsynctime) |
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| 190 | !*************************************************************************** |
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| 191 | |
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| 192 | do i=1,numpoint |
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| 193 | ireleasestart(i)=nint(real(ireleasestart(i))/ & |
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| 194 | real(lsynctime))*lsynctime |
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| 195 | ireleaseend(i)=nint(real(ireleaseend(i))/ & |
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| 196 | real(lsynctime))*lsynctime |
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| 197 | end do |
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| 198 | |
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| 199 | |
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| 200 | ! Initialize cloud-base mass fluxes for the convection scheme |
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| 201 | !************************************************************ |
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| 202 | |
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| 203 | do jy=0,nymin1 |
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| 204 | do ix=0,nxmin1 |
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| 205 | cbaseflux(ix,jy)=0. |
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| 206 | end do |
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| 207 | end do |
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| 208 | do inest=1,numbnests |
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| 209 | do jy=0,nyn(inest)-1 |
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| 210 | do ix=0,nxn(inest)-1 |
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| 211 | cbasefluxn(ix,jy,inest)=0. |
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| 212 | end do |
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| 213 | end do |
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| 214 | end do |
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| 215 | |
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| 216 | |
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| 217 | ! Calculate particle trajectories |
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| 218 | !******************************** |
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| 219 | |
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| 220 | call timemanager |
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| 221 | |
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| 222 | |
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| 223 | write(*,*) 'CONGRATULATIONS: YOU HAVE SUCCESSFULLY COMPLETED A FLE& |
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| 224 | &XPART MODEL RUN!' |
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| 225 | |
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| 226 | end program flexpart |
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