[16] | 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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