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|
!**********************************************************************
! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 *
! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, *
! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann *
! *
! This file is part of FLEXPART. *
! *
! FLEXPART is free software: you can redistribute it and/or modify *
! it under the terms of the GNU General Public License as published by*
! the Free Software Foundation, either version 3 of the License, or *
! (at your option) any later version. *
! *
! FLEXPART is distributed in the hope that it will be useful, *
! but WITHOUT ANY WARRANTY; without even the implied warranty of *
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
! GNU General Public License for more details. *
! *
! You should have received a copy of the GNU General Public License *
! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. *
!**********************************************************************
subroutine readcommand
!*****************************************************************************
! *
! This routine reads the user specifications for the current model run. *
! *
! Author: A. Stohl *
! *
! 18 May 1996 *
! *
!*****************************************************************************
! *
! Variables: *
! bdate beginning date as Julian date *
! ctl factor by which time step must be smaller than *
! Lagrangian time scale *
! ibdate,ibtime beginnning date and time (YYYYMMDD, HHMISS) *
! ideltas [s] modelling period *
! iedate,ietime ending date and time (YYYYMMDD, HHMISS) *
! ifine reduction factor for vertical wind time step *
! outputforeachrel for forward runs it is possible either to create *
! one outputfield or several for each releasepoint *
! iflux switch to turn on (1)/off (0) flux calculations *
! iout 1 for conc. (residence time for backward runs) output,*
! 2 for mixing ratio output, 3 both, 4 for plume *
! trajectory output, 5 = options 1 and 4 *
! ipin 1 continue simulation with dumped particle data, 0 no *
! ipout 0 no particle dump, 1 every output time, 3 only at end*
! itsplit [s] time constant for particle splitting *
! loutaver [s] concentration output is an average over loutaver *
! seconds *
! loutsample [s] average is computed from samples taken every [s] *
! seconds *
! loutstep [s] time interval of concentration output *
! lsynctime [s] synchronisation time interval for all particles *
! lagespectra switch to turn on (1)/off (0) calculation of age *
! spectra *
! lconvection value of either 0 and 1 indicating mixing by *
! convection *
! = 0 .. no convection *
! + 1 .. parameterisation of mixing by subgrid-scale *
! convection = on *
! lsubgrid switch to turn on (1)/off (0) subgrid topography *
! parameterization *
! method method used to compute the particle pseudovelocities *
! mdomainfill 1 use domain-filling option, 0 not, 2 use strat. O3 *
! *
! Constants: *
! unitcommand unit connected to file COMMAND *
! *
!*****************************************************************************
use par_mod
use com_mod
implicit none
real(kind=dp) :: juldate
character(len=50) :: line
logical :: old
! Open the command file and read user options
!********************************************
open(unitcommand,file=path(1)(1:length(1))//'COMMAND',status='old', &
err=999)
! Check the format of the COMMAND file (either in free format,
! or using formatted mask)
! Use of formatted mask is assumed if line 10 contains the word 'DIRECTION'
!**************************************************************************
call skplin(9,unitcommand)
read (unitcommand,901) line
901 format (a)
if (index(line,'LDIRECT') .eq. 0) then
old = .false.
else
old = .true.
endif
rewind(unitcommand)
! Read parameters
!****************
call skplin(7,unitcommand)
if (old) call skplin(1,unitcommand)
read(unitcommand,*) ldirect
if (old) call skplin(3,unitcommand)
read(unitcommand,*) ibdate,ibtime
if (old) call skplin(3,unitcommand)
read(unitcommand,*) iedate,ietime
if (old) call skplin(3,unitcommand)
read(unitcommand,*) loutstep
if (old) call skplin(3,unitcommand)
read(unitcommand,*) loutaver
if (old) call skplin(3,unitcommand)
read(unitcommand,*) loutsample
if (old) call skplin(3,unitcommand)
read(unitcommand,*) itsplit
if (old) call skplin(3,unitcommand)
read(unitcommand,*) lsynctime
if (old) call skplin(3,unitcommand)
read(unitcommand,*) ctl
if (old) call skplin(3,unitcommand)
read(unitcommand,*) ifine
if (old) call skplin(3,unitcommand)
read(unitcommand,*) iout
if (old) call skplin(3,unitcommand)
read(unitcommand,*) ipout
if (old) call skplin(3,unitcommand)
read(unitcommand,*) lsubgrid
if (old) call skplin(3,unitcommand)
read(unitcommand,*) lconvection
if (old) call skplin(3,unitcommand)
read(unitcommand,*) lagespectra
if (old) call skplin(3,unitcommand)
read(unitcommand,*) ipin
if (old) call skplin(3,unitcommand)
read(unitcommand,*) ioutputforeachrelease
if (old) call skplin(3,unitcommand)
read(unitcommand,*) iflux
if (old) call skplin(3,unitcommand)
read(unitcommand,*) mdomainfill
if (old) call skplin(3,unitcommand)
read(unitcommand,*) ind_source
if (old) call skplin(3,unitcommand)
read(unitcommand,*) ind_receptor
if (old) call skplin(3,unitcommand)
read(unitcommand,*) mquasilag
if (old) call skplin(3,unitcommand)
read(unitcommand,*) nested_output
if (old) call skplin(3,unitcommand)
read(unitcommand,*) linit_cond
close(unitcommand)
ifine=max(ifine,1)
! Determine how Markov chain is formulated (for w or for w/sigw)
!***************************************************************
if (ctl.ge.0.1) then
turbswitch=.true.
else
turbswitch=.false.
ifine=1
endif
fine=1./real(ifine)
ctl=1./ctl
! Set the switches required for the various options for input/output units
!*************************************************************************
!AF Set the switches IND_REL and IND_SAMP for the release and sampling
!Af switches for the releasefile:
!Af IND_REL = 1 : xmass * rho
!Af IND_REL = 0 : xmass * 1
!Af switches for the conccalcfile:
!AF IND_SAMP = 0 : xmass * 1
!Af IND_SAMP = -1 : xmass / rho
!AF IND_SOURCE switches between different units for concentrations at the source
!Af NOTE that in backward simulations the release of computational particles
!Af takes place at the "receptor" and the sampling of p[articles at the "source".
!Af 1 = mass units
!Af 2 = mass mixing ratio units
!Af IND_RECEPTOR switches between different units for concentrations at the receptor
!Af 1 = mass units
!Af 2 = mass mixing ratio units
if ( ldirect .eq. 1 ) then ! FWD-Run
!Af set release-switch
if (ind_source .eq. 1 ) then !mass
ind_rel = 0
else ! mass mix
ind_rel = 1
endif
!Af set sampling switch
if (ind_receptor .eq. 1) then !mass
ind_samp = 0
else ! mass mix
ind_samp = -1
endif
elseif (ldirect .eq. -1 ) then !BWD-Run
!Af set sampling switch
if (ind_source .eq. 1 ) then !mass
ind_samp = -1
else ! mass mix
ind_samp = 0
endif
!Af set release-switch
if (ind_receptor .eq. 1) then !mass
ind_rel = 1
else ! mass mix
ind_rel = 0
endif
endif
!*************************************************************
! Check whether valid options have been chosen in file COMMAND
!*************************************************************
! Check options for initial condition output: Switch off for forward runs
!************************************************************************
if (ldirect.eq.1) linit_cond=0
if ((linit_cond.lt.0).or.(linit_cond.gt.2)) then
write(*,*) ' #### FLEXPART MODEL ERROR! INVALID OPTION #### '
write(*,*) ' #### FOR LINIT_COND IN FILE "COMMAND". #### '
stop
endif
! Check input dates
!******************
if (iedate.lt.ibdate) then
write(*,*) ' #### FLEXPART MODEL ERROR! BEGINNING DATE #### '
write(*,*) ' #### IS LARGER THAN ENDING DATE. CHANGE #### '
write(*,*) ' #### EITHER POINT 2 OR POINT 3 IN FILE #### '
write(*,*) ' #### "COMMAND". #### '
stop
else if (iedate.eq.ibdate) then
if (ietime.lt.ibtime) then
write(*,*) ' #### FLEXPART MODEL ERROR! BEGINNING TIME #### '
write(*,*) ' #### IS LARGER THAN ENDING TIME. CHANGE #### '
write(*,*) ' #### EITHER POINT 2 OR POINT 3 IN FILE #### '
write(*,*) ' #### "COMMAND". #### '
stop
endif
endif
! Determine kind of dispersion method
!************************************
if (ctl.gt.0.) then
method=1
mintime=minstep
else
method=0
mintime=lsynctime
endif
! Check whether a valid option for gridded model output has been chosen
!**********************************************************************
if ((iout.lt.1).or.(iout.gt.5)) then
write(*,*) ' #### FLEXPART MODEL ERROR! FILE COMMAND: #### '
write(*,*) ' #### IOUT MUST BE 1, 2, 3, 4, OR 5! #### '
stop
endif
!AF check consistency between units and volume mixing ratio
if ( ((iout.eq.2).or.(iout.eq.3)).and. &
(ind_source.gt.1 .or.ind_receptor.gt.1) ) then
write(*,*) ' #### FLEXPART MODEL ERROR! FILE COMMAND: #### '
write(*,*) ' #### VOLUME MIXING RATIO ONLY SUPPORTED #### '
write(*,*) ' #### FOR MASS UNITS (at the moment) #### '
stop
endif
! For quasilag output for each release is forbidden
!*****************************************************************************
if ((ioutputforeachrelease.eq.1).and.(mquasilag.eq.1)) then
write(*,*) '#### FLEXPART MODEL ERROR! FILE COMMAND: ####'
write(*,*) '#### OUTPUTFOREACHRELEASE AND QUASILAGRANGIAN####'
write(*,*) '#### MODE IS NOT POSSIBLE ! ####'
stop
endif
! For quasilag backward is forbidden
!*****************************************************************************
if ((ldirect.lt.0).and.(mquasilag.eq.1)) then
write(*,*) '#### FLEXPART MODEL ERROR! FILE COMMAND: ####'
write(*,*) '#### FOR BACKWARD RUNS, QUASILAGRANGIAN MODE ####'
write(*,*) '#### IS NOT POSSIBLE ! ####'
stop
endif
! For backward runs one releasefield for all releases makes no sense,
! For quasilag and domainfill ioutputforechrelease is forbidden
!*****************************************************************************
if ((ldirect.lt.0).and.(ioutputforeachrelease.eq.0)) then
write(*,*) '#### FLEXPART MODEL ERROR! FILE COMMAND: ####'
write(*,*) '#### FOR BACKWARD RUNS, IOUTPUTFOREACHRLEASE ####'
write(*,*) '#### MUST BE SET TO ONE! ####'
stop
endif
! For backward runs one releasefield for all releases makes no sense,
! and is "forbidden"
!*****************************************************************************
if ((mdomainfill.eq.1).and.(ioutputforeachrelease.eq.1)) then
write(*,*) '#### FLEXPART MODEL ERROR! FILE COMMAND: ####'
write(*,*) '#### FOR DOMAIN FILLING RUNS OUTPUT FOR ####'
write(*,*) '#### EACH RELEASE IS FORBIDDEN ! ####'
stop
endif
! For domain-filling trajectories, a plume centroid trajectory makes no sense,
! For backward runs, only residence time output (iout=1) or plume trajectories (iout=4),
! or both (iout=5) makes sense; other output options are "forbidden"
!*****************************************************************************
if (ldirect.lt.0) then
if ((iout.eq.2).or.(iout.eq.3)) then
write(*,*) '#### FLEXPART MODEL ERROR! FILE COMMAND: ####'
write(*,*) '#### FOR BACKWARD RUNS, IOUT MUST BE 1,4,OR 5####'
stop
endif
endif
! For domain-filling trajectories, a plume centroid trajectory makes no sense,
! and is "forbidden"
!*****************************************************************************
if (mdomainfill.ge.1) then
if ((iout.eq.4).or.(iout.eq.5)) then
write(*,*) '#### FLEXPART MODEL ERROR! FILE COMMAND: ####'
write(*,*) '#### FOR DOMAIN-FILLING TRAJECTORY OPTION, ####'
write(*,*) '#### IOUT MUST NOT BE SET TO 4 OR 5. ####'
stop
endif
endif
! Check whether a valid options for particle dump has been chosen
!****************************************************************
if ((ipout.ne.0).and.(ipout.ne.1).and.(ipout.ne.2)) then
write(*,*) ' #### FLEXPART MODEL ERROR! FILE COMMAND: #### '
write(*,*) ' #### IPOUT MUST BE 1, 2 OR 3! #### '
stop
endif
if(lsubgrid.ne.1) then
write(*,*) ' ---------------- '
write(*,*) ' INFORMATION: SUBGRIDSCALE TERRAIN EFFECT IS'
write(*,*) ' NOT PARAMETERIZED DURING THIS SIMULATION. '
write(*,*) ' ---------------- '
endif
! Check whether convection scheme is either turned on or off
!***********************************************************
if ((lconvection.ne.0).and.(lconvection.ne.1)) then
write(*,*) ' #### FLEXPART MODEL ERROR! FILE COMMAND: #### '
write(*,*) ' #### LCONVECTION MUST BE SET TO EITHER 1 OR 0#### '
stop
endif
! Check whether synchronisation interval is sufficiently short
!*************************************************************
if (lsynctime.gt.(idiffnorm/2)) then
write(*,*) ' #### FLEXPART MODEL ERROR! SYNCHRONISATION #### '
write(*,*) ' #### TIME IS TOO LONG. MAKE IT SHORTER. #### '
write(*,*) ' #### MINIMUM HAS TO BE: ', idiffnorm/2
stop
endif
! Check consistency of the intervals, sampling periods, etc., for model output
!*****************************************************************************
if (loutaver.eq.0) then
write(*,*) ' #### FLEXPART MODEL ERROR! TIME AVERAGE OF #### '
write(*,*) ' #### CONCENTRATION FIELD OUTPUT MUST NOT BE #### '
write(*,*) ' #### ZERO. #### '
write(*,*) ' #### CHANGE INPUT IN FILE COMMAND. #### '
stop
endif
if (loutaver.gt.loutstep) then
write(*,*) ' #### FLEXPART MODEL ERROR! TIME AVERAGE OF #### '
write(*,*) ' #### CONCENTRATION FIELD OUTPUT MUST NOT BE #### '
write(*,*) ' #### GREATER THAN INTERVAL OF OUTPUT. #### '
write(*,*) ' #### CHANGE INPUT IN FILE COMMAND. #### '
stop
endif
if (loutsample.gt.loutaver) then
write(*,*) ' #### FLEXPART MODEL ERROR! SAMPLING TIME OF #### '
write(*,*) ' #### CONCENTRATION FIELD OUTPUT MUST NOT BE #### '
write(*,*) ' #### GREATER THAN TIME AVERAGE OF OUTPUT. #### '
write(*,*) ' #### CHANGE INPUT IN FILE COMMAND. #### '
stop
endif
if (mod(loutaver,lsynctime).ne.0) then
write(*,*) ' #### FLEXPART MODEL ERROR! AVERAGING TIME OF #### '
write(*,*) ' #### CONCENTRATION FIELD MUST BE A MULTIPLE #### '
write(*,*) ' #### OF THE SYNCHRONISATION INTERVAL #### '
stop
endif
if ((loutaver/lsynctime).lt.2) then
write(*,*) ' #### FLEXPART MODEL ERROR! AVERAGING TIME OF #### '
write(*,*) ' #### CONCENTRATION FIELD MUST BE AT LEAST #### '
write(*,*) ' #### TWICE THE SYNCHRONISATION INTERVAL #### '
stop
endif
if (mod(loutstep,lsynctime).ne.0) then
write(*,*) ' #### FLEXPART MODEL ERROR! INTERVAL BETWEEN #### '
write(*,*) ' #### CONCENTRATION FIELDS MUST BE A MULTIPLE #### '
write(*,*) ' #### OF THE SYNCHRONISATION INTERVAL #### '
stop
endif
if ((loutstep/lsynctime).lt.2) then
write(*,*) ' #### FLEXPART MODEL ERROR! INTERVAL BETWEEN #### '
write(*,*) ' #### CONCENTRATION FIELDS MUST BE AT LEAST #### '
write(*,*) ' #### TWICE THE SYNCHRONISATION INTERVAL #### '
stop
endif
if (mod(loutsample,lsynctime).ne.0) then
write(*,*) ' #### FLEXPART MODEL ERROR! SAMPLING TIME OF #### '
write(*,*) ' #### CONCENTRATION FIELD MUST BE A MULTIPLE #### '
write(*,*) ' #### OF THE SYNCHRONISATION INTERVAL #### '
stop
endif
if (itsplit.lt.loutaver) then
write(*,*) ' #### FLEXPART MODEL ERROR! SPLITTING TIME FOR#### '
write(*,*) ' #### PARTICLES IS TOO SHORT. PLEASE INCREASE #### '
write(*,*) ' #### SPLITTING TIME CONSTANT. #### '
stop
endif
if ((mquasilag.eq.1).and.(iout.ge.4)) then
write(*,*) ' #### FLEXPART MODEL ERROR! CONFLICTING #### '
write(*,*) ' #### OPTIONS: IF MQUASILAG=1, PLUME #### '
write(*,*) ' #### TRAJECTORY OUTPUT IS IMPOSSIBLE. #### '
stop
endif
! Compute modeling time in seconds and beginning date in Julian date
!*******************************************************************
outstep=real(abs(loutstep))
if (ldirect.eq.1) then
bdate=juldate(ibdate,ibtime)
edate=juldate(iedate,ietime)
ideltas=nint((edate-bdate)*86400.)
else if (ldirect.eq.-1) then
loutaver=-1*loutaver
loutstep=-1*loutstep
loutsample=-1*loutsample
lsynctime=-1*lsynctime
bdate=juldate(iedate,ietime)
edate=juldate(ibdate,ibtime)
ideltas=nint((edate-bdate)*86400.)
else
write(*,*) ' #### FLEXPART MODEL ERROR! DIRECTION IN #### '
write(*,*) ' #### FILE "COMMAND" MUST BE EITHER -1 OR 1. #### '
stop
endif
return
999 write(*,*) ' #### FLEXPART MODEL ERROR! FILE "COMMAND" #### '
write(*,*) ' #### CANNOT BE OPENED IN THE DIRECTORY #### '
write(*,'(a)') path(1)(1:length(1))
stop
end subroutine readcommand
|
