[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 | subroutine readoutgrid |
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| 23 | |
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| 24 | !***************************************************************************** |
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| 25 | ! * |
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| 26 | ! This routine reads the user specifications for the output grid. * |
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| 27 | ! * |
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| 28 | ! Author: A. Stohl * |
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| 29 | ! * |
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| 30 | ! 4 June 1996 * |
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| 31 | ! * |
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| 32 | !***************************************************************************** |
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| 33 | ! * |
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| 34 | ! Variables: * |
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| 35 | ! dxout,dyout grid distance * |
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| 36 | ! numxgrid,numygrid,numzgrid grid dimensions * |
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| 37 | ! outlon0,outlat0 lower left corner of grid * |
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| 38 | ! outheight(maxzgrid) height levels of output grid [m] * |
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| 39 | ! * |
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| 40 | ! Constants: * |
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| 41 | ! unitoutgrid unit connected to file OUTGRID * |
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| 42 | ! * |
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| 43 | !***************************************************************************** |
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| 44 | |
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| 45 | use outg_mod |
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| 46 | use par_mod |
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| 47 | use com_mod |
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| 48 | |
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| 49 | implicit none |
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| 50 | |
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| 51 | integer :: i,j,stat |
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| 52 | real :: outhelp,xr,xr1,yr,yr1 |
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| 53 | real,parameter :: eps=1.e-4 |
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| 54 | |
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| 55 | |
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| 56 | |
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| 57 | ! Open the OUTGRID file and read output grid specifications |
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| 58 | !********************************************************** |
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| 59 | |
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| 60 | open(unitoutgrid,file=path(1)(1:length(1))//'OUTGRID',status='old', & |
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| 61 | err=999) |
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| 62 | |
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| 63 | |
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| 64 | call skplin(5,unitoutgrid) |
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| 65 | |
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| 66 | |
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| 67 | ! 1. Read horizontal grid specifications |
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| 68 | !**************************************** |
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| 69 | |
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| 70 | call skplin(3,unitoutgrid) |
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| 71 | read(unitoutgrid,'(4x,f11.4)') outlon0 |
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| 72 | call skplin(3,unitoutgrid) |
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| 73 | read(unitoutgrid,'(4x,f11.4)') outlat0 |
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| 74 | call skplin(3,unitoutgrid) |
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| 75 | read(unitoutgrid,'(4x,i5)') numxgrid |
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| 76 | call skplin(3,unitoutgrid) |
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| 77 | read(unitoutgrid,'(4x,i5)') numygrid |
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| 78 | call skplin(3,unitoutgrid) |
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| 79 | read(unitoutgrid,'(4x,f12.5)') dxout |
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| 80 | call skplin(3,unitoutgrid) |
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| 81 | read(unitoutgrid,'(4x,f12.5)') dyout |
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| 82 | |
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| 83 | |
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| 84 | ! Check validity of output grid (shall be within model domain) |
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| 85 | !************************************************************* |
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| 86 | |
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| 87 | xr=outlon0+real(numxgrid)*dxout |
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| 88 | yr=outlat0+real(numygrid)*dyout |
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| 89 | xr1=xlon0+real(nxmin1)*dx |
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| 90 | yr1=ylat0+real(nymin1)*dy |
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| 91 | if ((outlon0+eps.lt.xlon0).or.(outlat0+eps.lt.ylat0) & |
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| 92 | .or.(xr.gt.xr1+eps).or.(yr.gt.yr1+eps)) then |
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| 93 | write(*,*) outlon0,outlat0 |
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| 94 | write(*,*) xr1,yr1,xlon0,ylat0,xr,yr,dxout,dyout |
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| 95 | write(*,*) ' #### FLEXPART MODEL ERROR! PART OF OUTPUT ####' |
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| 96 | write(*,*) ' #### GRID IS OUTSIDE MODEL DOMAIN. CHANGE ####' |
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| 97 | write(*,*) ' #### FILE OUTGRID IN DIRECTORY ####' |
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| 98 | write(*,'(a)') path(1)(1:length(1)) |
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| 99 | stop |
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| 100 | endif |
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| 101 | |
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| 102 | ! 2. Count Vertical levels of output grid |
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| 103 | !**************************************** |
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| 104 | j=0 |
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| 105 | 100 j=j+1 |
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| 106 | do i=1,3 |
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| 107 | read(unitoutgrid,*,end=99) |
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| 108 | end do |
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| 109 | read(unitoutgrid,'(4x,f7.1)',end=99) outhelp |
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| 110 | if (outhelp.eq.0.) goto 99 |
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| 111 | goto 100 |
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| 112 | 99 numzgrid=j-1 |
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| 113 | |
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| 114 | allocate(outheight(numzgrid) & |
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| 115 | ,stat=stat) |
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| 116 | if (stat.ne.0) write(*,*)'ERROR: could not allocate outh' |
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| 117 | allocate(outheighthalf(numzgrid) & |
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| 118 | ,stat=stat) |
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| 119 | if (stat.ne.0) write(*,*)'ERROR: could not allocate outh' |
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| 120 | |
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| 121 | |
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| 122 | rewind(unitoutgrid) |
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| 123 | call skplin(29,unitoutgrid) |
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| 124 | |
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| 125 | ! 2. Vertical levels of output grid |
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| 126 | !********************************** |
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| 127 | |
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| 128 | j=0 |
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| 129 | 1000 j=j+1 |
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| 130 | do i=1,3 |
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| 131 | read(unitoutgrid,*,end=990) |
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| 132 | end do |
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| 133 | read(unitoutgrid,'(4x,f7.1)',end=990) outhelp |
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| 134 | if (outhelp.eq.0.) goto 99 |
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| 135 | outheight(j)=outhelp |
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| 136 | goto 1000 |
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| 137 | 990 numzgrid=j-1 |
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| 138 | |
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| 139 | |
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| 140 | ! Check whether vertical levels are specified in ascending order |
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| 141 | !*************************************************************** |
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| 142 | |
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| 143 | do j=2,numzgrid |
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| 144 | if (outheight(j).le.outheight(j-1)) then |
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| 145 | write(*,*) ' #### FLEXPART MODEL ERROR! YOUR SPECIFICATION#### ' |
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| 146 | write(*,*) ' #### OF OUTPUT LEVELS IS CORRUPT AT LEVEL #### ' |
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| 147 | write(*,*) ' #### ',j,' #### ' |
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| 148 | write(*,*) ' #### PLEASE MAKE CHANGES IN FILE OUTGRID. #### ' |
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| 149 | endif |
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| 150 | end do |
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| 151 | |
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| 152 | ! Determine the half levels, i.e. middle levels of the output grid |
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| 153 | !***************************************************************** |
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| 154 | |
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| 155 | outheighthalf(1)=outheight(1)/2. |
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| 156 | do j=2,numzgrid |
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| 157 | outheighthalf(j)=(outheight(j-1)+outheight(j))/2. |
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| 158 | end do |
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| 159 | |
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| 160 | |
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| 161 | xoutshift=xlon0-outlon0 |
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| 162 | youtshift=ylat0-outlat0 |
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| 163 | close(unitoutgrid) |
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| 164 | |
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| 165 | allocate(oroout(0:numxgrid-1,0:numygrid-1) & |
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| 166 | ,stat=stat) |
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| 167 | if (stat.ne.0) write(*,*)'ERROR: could not allocate outh' |
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| 168 | allocate(area(0:numxgrid-1,0:numygrid-1) & |
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| 169 | ,stat=stat) |
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| 170 | if (stat.ne.0) write(*,*)'ERROR: could not allocate outh' |
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| 171 | allocate(volume(0:numxgrid-1,0:numygrid-1,numzgrid) & |
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| 172 | ,stat=stat) |
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| 173 | if (stat.ne.0) write(*,*)'ERROR: could not allocate outh' |
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| 174 | allocate(areaeast(0:numxgrid-1,0:numygrid-1,numzgrid) & |
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| 175 | ,stat=stat) |
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| 176 | if (stat.ne.0) write(*,*)'ERROR: could not allocate outh' |
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| 177 | allocate(areanorth(0:numxgrid-1,0:numygrid-1,numzgrid) & |
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| 178 | ,stat=stat) |
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| 179 | if (stat.ne.0) write(*,*)'ERROR: could not allocate outh' |
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| 180 | return |
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| 181 | |
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| 182 | |
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| 183 | 999 write(*,*) ' #### FLEXPART MODEL ERROR! FILE "OUTGRID" #### ' |
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| 184 | write(*,*) ' #### CANNOT BE OPENED IN THE DIRECTORY #### ' |
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| 185 | write(*,*) ' #### xxx/flexpart/options #### ' |
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| 186 | stop |
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| 187 | |
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| 188 | end subroutine readoutgrid |
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