| 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 timemanager |
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| 23 | |
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| 24 | !***************************************************************************** |
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| 25 | ! * |
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| 26 | ! Handles the computation of trajectories, i.e. determines which * |
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| 27 | ! trajectories have to be computed at what time. * |
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| 28 | ! Manages dry+wet deposition routines, radioactive decay and the computation * |
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| 29 | ! of concentrations. * |
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| 30 | ! * |
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| 31 | ! Author: A. Stohl * |
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| 32 | ! * |
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| 33 | ! 20 May 1996 * |
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| 34 | ! * |
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| 35 | !***************************************************************************** |
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| 36 | ! Changes, Bernd C. Krueger, Feb. 2001: * |
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| 37 | ! Call of convmix when new windfield is read * |
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| 38 | !------------------------------------ * |
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| 39 | ! Changes Petra Seibert, Sept 2002 * |
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| 40 | ! fix wet scavenging problem * |
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| 41 | ! Code may not be correct for decay of deposition! * |
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| 42 | ! Changes Petra Seibert, Nov 2002 * |
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| 43 | ! call convection BEFORE new fields are read in BWD mode * |
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| 44 | ! Changes Caroline Forster, Feb 2005 * |
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| 45 | !new interface between flexpart and convection scheme * |
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| 46 | !Emanuel's latest subroutine convect43c.f is used * |
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| 47 | !***************************************************************************** |
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| 48 | ! * |
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| 49 | ! Variables: * |
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| 50 | ! DEP .true. if either wet or dry deposition is switched on * |
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| 51 | ! decay(maxspec) [1/s] decay constant for radioactive decay * |
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| 52 | ! DRYDEP .true. if dry deposition is switched on * |
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| 53 | ! ideltas [s] modelling period * |
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| 54 | ! itime [s] actual temporal position of calculation * |
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| 55 | ! ldeltat [s] time since computation of radioact. decay of depositions* |
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| 56 | ! loutaver [s] averaging period for concentration calculations * |
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| 57 | ! loutend [s] end of averaging for concentration calculations * |
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| 58 | ! loutnext [s] next time at which output fields shall be centered * |
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| 59 | ! loutsample [s] sampling interval for averaging of concentrations * |
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| 60 | ! loutstart [s] start of averaging for concentration calculations * |
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| 61 | ! loutstep [s] time interval for which concentrations shall be * |
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| 62 | ! calculated * |
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| 63 | ! npoint(maxpart) index, which starting point the trajectory has * |
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| 64 | ! starting positions of trajectories * |
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| 65 | ! nstop serves as indicator for fate of particles * |
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| 66 | ! in the particle loop * |
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| 67 | ! nstop1 serves as indicator for wind fields (see getfields) * |
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| 68 | ! outnum number of samples for each concentration calculation * |
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| 69 | ! outnum number of samples for each concentration calculation * |
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| 70 | ! prob probability of absorption at ground due to dry * |
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| 71 | ! deposition * |
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| 72 | ! WETDEP .true. if wet deposition is switched on * |
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| 73 | ! weight weight for each concentration sample (1/2 or 1) * |
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| 74 | ! uap(maxpart),ucp(maxpart),uzp(maxpart) = random velocities due to * |
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| 75 | ! turbulence * |
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| 76 | ! us(maxpart),vs(maxpart),ws(maxpart) = random velocities due to inter- * |
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| 77 | ! polation * |
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| 78 | ! xtra1(maxpart), ytra1(maxpart), ztra1(maxpart) = * |
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| 79 | ! spatial positions of trajectories * |
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| 80 | ! * |
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| 81 | ! Constants: * |
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| 82 | ! maxpart maximum number of trajectories * |
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| 83 | ! * |
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| 84 | !***************************************************************************** |
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| 85 | |
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| 86 | use unc_mod |
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| 87 | use point_mod |
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| 88 | use xmass_mod |
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| 89 | use flux_mod |
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| 90 | use outg_mod |
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| 91 | use oh_mod |
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| 92 | use par_mod |
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| 93 | use com_mod |
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| 94 | |
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| 95 | implicit none |
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| 96 | |
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| 97 | integer :: j,ks,kp,l,n,itime,nstop,nstop1 |
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| 98 | ! integer :: ksp |
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| 99 | integer :: loutnext,loutstart,loutend |
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| 100 | integer :: ix,jy,ldeltat,itage,nage |
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| 101 | real :: outnum,weight,prob(maxspec) |
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| 102 | real :: uap(maxpart),ucp(maxpart),uzp(maxpart),decfact |
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| 103 | real :: us(maxpart),vs(maxpart),ws(maxpart) |
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| 104 | integer(kind=2) :: cbt(maxpart) |
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| 105 | real :: drydeposit(maxspec),gridtotalunc,wetgridtotalunc |
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| 106 | real :: drygridtotalunc,xold,yold,zold,xmassfract |
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| 107 | !double precision xm(maxspec,maxpointspec_act), |
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| 108 | ! + xm_depw(maxspec,maxpointspec_act), |
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| 109 | ! + xm_depd(maxspec,maxpointspec_act) |
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| 110 | |
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| 111 | |
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| 112 | !open(88,file='TEST.dat') |
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| 113 | |
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| 114 | ! First output for time 0 |
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| 115 | !************************ |
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| 116 | |
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| 117 | loutnext=loutstep/2 |
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| 118 | outnum=0. |
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| 119 | loutstart=loutnext-loutaver/2 |
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| 120 | loutend=loutnext+loutaver/2 |
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| 121 | |
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| 122 | ! open(127,file=path(2)(1:length(2))//'depostat.dat' |
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| 123 | ! + ,form='unformatted') |
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| 124 | !write (*,*) 'writing deposition statistics depostat.dat!' |
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| 125 | |
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| 126 | !********************************************************************** |
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| 127 | ! Loop over the whole modelling period in time steps of mintime seconds |
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| 128 | !********************************************************************** |
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| 129 | |
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| 130 | |
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| 131 | !write(*,45) itime,numpart,gridtotalunc,wetgridtotalunc,drygridtotalunc |
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| 132 | write(*,46) float(itime)/3600,itime,numpart |
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| 133 | if (verbosity.gt.0) then |
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| 134 | write (*,*) 'timemanager> starting simulation' |
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| 135 | if (verbosity.gt.1) then |
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| 136 | CALL SYSTEM_CLOCK(count_clock) |
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| 137 | WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate) |
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| 138 | endif |
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| 139 | endif |
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| 140 | |
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| 141 | do itime=0,ideltas,lsynctime |
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| 142 | if (verbosity.gt.0) then |
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| 143 | write (*,*) 'timemanager> itime=', itime |
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| 144 | endif |
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| 145 | |
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| 146 | |
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| 147 | ! Computation of wet deposition, OH reaction and mass transfer |
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| 148 | ! between two species every lsynctime seconds |
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| 149 | ! maybe wet depo frequency can be relaxed later but better be on safe side |
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| 150 | ! wetdepo must be called BEFORE new fields are read in but should not |
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| 151 | ! be called in the very beginning before any fields are loaded, or |
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| 152 | ! before particles are in the system |
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| 153 | ! Code may not be correct for decay of deposition |
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| 154 | ! changed by Petra Seibert 9/02 |
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| 155 | !******************************************************************** |
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| 156 | |
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| 157 | if (WETDEP .and. itime .ne. 0 .and. numpart .gt. 0) then |
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| 158 | if (verbosity.gt.0) then |
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| 159 | write (*,*) 'timemanager> call wetdepo' |
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| 160 | endif |
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| 161 | call wetdepo(itime,lsynctime,loutnext) |
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| 162 | endif |
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| 163 | |
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| 164 | if (OHREA .and. itime .ne. 0 .and. numpart .gt. 0) & |
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| 165 | call ohreaction(itime,lsynctime,loutnext) |
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| 166 | |
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| 167 | if (ASSSPEC .and. itime .ne. 0 .and. numpart .gt. 0) then |
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| 168 | stop 'associated species not yet implemented!' |
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| 169 | ! call transferspec(itime,lsynctime,loutnext) |
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| 170 | endif |
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| 171 | |
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| 172 | ! compute convection for backward runs |
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| 173 | !************************************* |
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| 174 | |
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| 175 | if ((ldirect.eq.-1).and.(lconvection.eq.1).and.(itime.lt.0)) then |
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| 176 | if (verbosity.gt.0) then |
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| 177 | write (*,*) 'timemanager> call convmix -- backward' |
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| 178 | endif |
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| 179 | call convmix(itime) |
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| 180 | if (verbosity.gt.1) then |
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| 181 | !CALL SYSTEM_CLOCK(count_clock, count_rate, count_max) |
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| 182 | CALL SYSTEM_CLOCK(count_clock) |
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| 183 | WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate) |
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| 184 | endif |
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| 185 | endif |
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| 186 | |
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| 187 | ! Get necessary wind fields if not available |
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| 188 | !******************************************* |
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| 189 | if (verbosity.gt.0) then |
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| 190 | write (*,*) 'timemanager> call getfields' |
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| 191 | endif |
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| 192 | call getfields(itime,nstop1) |
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| 193 | if (verbosity.gt.1) then |
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| 194 | CALL SYSTEM_CLOCK(count_clock) |
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| 195 | WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate) |
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| 196 | endif |
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| 197 | if (nstop1.gt.1) stop 'NO METEO FIELDS AVAILABLE' |
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| 198 | |
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| 199 | ! Release particles |
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| 200 | !****************** |
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| 201 | |
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| 202 | !if (verbosity.gt.0) then |
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| 203 | ! write (*,*) 'timemanager> Release particles' |
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| 204 | !endif |
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| 205 | |
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| 206 | if (mdomainfill.ge.1) then |
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| 207 | if (itime.eq.0) then |
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| 208 | if (verbosity.gt.0) then |
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| 209 | write (*,*) 'timemanager> call init_domainfill' |
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| 210 | endif |
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| 211 | call init_domainfill |
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| 212 | else |
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| 213 | if (verbosity.gt.0) then |
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| 214 | write (*,*) 'timemanager> call boundcond_domainfill' |
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| 215 | endif |
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| 216 | call boundcond_domainfill(itime,loutend) |
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| 217 | endif |
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| 218 | else |
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| 219 | if (verbosity.gt.0) then |
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| 220 | print*,'timemanager> call releaseparticles' |
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| 221 | endif |
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| 222 | call releaseparticles(itime) |
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| 223 | if (verbosity.gt.1) then |
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| 224 | CALL SYSTEM_CLOCK(count_clock) |
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| 225 | WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate) |
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| 226 | endif |
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| 227 | endif |
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| 228 | |
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| 229 | |
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| 230 | ! Compute convective mixing for forward runs |
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| 231 | ! for backward runs it is done before next windfield is read in |
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| 232 | !************************************************************** |
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| 233 | |
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| 234 | if ((ldirect.eq.1).and.(lconvection.eq.1)) then |
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| 235 | if (verbosity.gt.0) then |
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| 236 | write (*,*) 'timemanager> call convmix -- forward' |
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| 237 | endif |
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| 238 | call convmix(itime) |
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| 239 | endif |
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| 240 | |
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| 241 | ! If middle of averaging period of output fields is reached, accumulated |
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| 242 | ! deposited mass radioactively decays |
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| 243 | !*********************************************************************** |
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| 244 | |
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| 245 | if (DEP.and.(itime.eq.loutnext).and.(ldirect.gt.0)) then |
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| 246 | do ks=1,nspec |
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| 247 | do kp=1,maxpointspec_act |
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| 248 | if (decay(ks).gt.0.) then |
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| 249 | do nage=1,nageclass |
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| 250 | do l=1,nclassunc |
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| 251 | ! Mother output grid |
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| 252 | do jy=0,numygrid-1 |
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| 253 | do ix=0,numxgrid-1 |
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| 254 | wetgridunc(ix,jy,ks,kp,l,nage)= & |
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| 255 | wetgridunc(ix,jy,ks,kp,l,nage)* & |
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| 256 | exp(-1.*outstep*decay(ks)) |
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| 257 | drygridunc(ix,jy,ks,kp,l,nage)= & |
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| 258 | drygridunc(ix,jy,ks,kp,l,nage)* & |
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| 259 | exp(-1.*outstep*decay(ks)) |
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| 260 | end do |
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| 261 | end do |
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| 262 | ! Nested output grid |
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| 263 | if (nested_output.eq.1) then |
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| 264 | do jy=0,numygridn-1 |
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| 265 | do ix=0,numxgridn-1 |
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| 266 | wetgriduncn(ix,jy,ks,kp,l,nage)= & |
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| 267 | wetgriduncn(ix,jy,ks,kp,l,nage)* & |
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| 268 | exp(-1.*outstep*decay(ks)) |
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| 269 | drygriduncn(ix,jy,ks,kp,l,nage)= & |
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| 270 | drygriduncn(ix,jy,ks,kp,l,nage)* & |
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| 271 | exp(-1.*outstep*decay(ks)) |
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| 272 | end do |
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| 273 | end do |
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| 274 | endif |
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| 275 | end do |
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| 276 | end do |
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| 277 | endif |
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| 278 | end do |
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| 279 | end do |
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| 280 | endif |
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| 281 | |
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| 282 | !!! CHANGE: These lines may be switched on to check the conservation |
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| 283 | !!! of mass within FLEXPART |
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| 284 | ! if (itime.eq.loutnext) then |
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| 285 | ! do 247 ksp=1, nspec |
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| 286 | ! do 247 kp=1, maxpointspec_act |
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| 287 | !47 xm(ksp,kp)=0. |
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| 288 | |
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| 289 | ! do 249 ksp=1, nspec |
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| 290 | ! do 249 j=1,numpart |
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| 291 | ! if (ioutputforeachrelease.eq.1) then |
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| 292 | ! kp=npoint(j) |
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| 293 | ! else |
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| 294 | ! kp=1 |
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| 295 | ! endif |
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| 296 | ! if (itra1(j).eq.itime) then |
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| 297 | ! xm(ksp,kp)=xm(ksp,kp)+xmass1(j,ksp) |
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| 298 | ! write(*,*) 'xmass: ',xmass1(j,ksp),j,ksp,nspec |
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| 299 | ! endif |
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| 300 | !49 continue |
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| 301 | ! do 248 ksp=1,nspec |
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| 302 | ! do 248 kp=1,maxpointspec_act |
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| 303 | ! xm_depw(ksp,kp)=0. |
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| 304 | ! xm_depd(ksp,kp)=0. |
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| 305 | ! do 248 nage=1,nageclass |
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| 306 | ! do 248 ix=0,numxgrid-1 |
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| 307 | ! do 248 jy=0,numygrid-1 |
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| 308 | ! do 248 l=1,nclassunc |
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| 309 | ! xm_depw(ksp,kp)=xm_depw(ksp,kp) |
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| 310 | ! + +wetgridunc(ix,jy,ksp,kp,l,nage) |
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| 311 | !48 xm_depd(ksp,kp)=xm_depd(ksp,kp) |
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| 312 | ! + +drygridunc(ix,jy,ksp,kp,l,nage) |
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| 313 | ! do 246 ksp=1,nspec |
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| 314 | !46 write(88,'(2i10,3e12.3)') |
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| 315 | ! + itime,ksp,(xm(ksp,kp),kp=1,maxpointspec_act), |
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| 316 | ! + (xm_depw(ksp,kp),kp=1,maxpointspec_act), |
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| 317 | ! + (xm_depd(ksp,kp),kp=1,maxpointspec_act) |
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| 318 | ! endif |
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| 319 | !!! CHANGE |
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| 320 | |
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| 321 | |
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| 322 | |
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| 323 | ! Check whether concentrations are to be calculated |
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| 324 | !************************************************** |
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| 325 | |
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| 326 | if ((ldirect*itime.ge.ldirect*loutstart).and. & |
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| 327 | (ldirect*itime.le.ldirect*loutend)) then ! add to grid |
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| 328 | if (mod(itime-loutstart,loutsample).eq.0) then |
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| 329 | |
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| 330 | ! If we are exactly at the start or end of the concentration averaging interval, |
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| 331 | ! give only half the weight to this sample |
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| 332 | !***************************************************************************** |
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| 333 | |
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| 334 | if ((itime.eq.loutstart).or.(itime.eq.loutend)) then |
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| 335 | weight=0.5 |
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| 336 | else |
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| 337 | weight=1.0 |
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| 338 | endif |
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| 339 | outnum=outnum+weight |
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| 340 | call conccalc(itime,weight) |
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| 341 | endif |
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| 342 | |
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| 343 | |
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| 344 | if ((mquasilag.eq.1).and.(itime.eq.(loutstart+loutend)/2)) & |
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| 345 | call partoutput_short(itime) ! dump particle positions in extremely compressed format |
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| 346 | |
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| 347 | |
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| 348 | ! Output and reinitialization of grid |
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| 349 | ! If necessary, first sample of new grid is also taken |
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| 350 | !***************************************************** |
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| 351 | |
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| 352 | if ((itime.eq.loutend).and.(outnum.gt.0.)) then |
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| 353 | if ((iout.le.3.).or.(iout.eq.5)) then |
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| 354 | if (surf_only.ne.1) then |
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| 355 | call concoutput(itime,outnum,gridtotalunc, & |
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| 356 | wetgridtotalunc,drygridtotalunc) |
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| 357 | else |
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| 358 | if (verbosity.eq.1) then |
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| 359 | print*,'call concoutput_surf ' |
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| 360 | CALL SYSTEM_CLOCK(count_clock) |
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| 361 | WRITE(*,*) 'SYSTEM_CLOCK',count_clock - count_clock0 |
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| 362 | endif |
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| 363 | call concoutput_surf(itime,outnum,gridtotalunc, & |
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| 364 | wetgridtotalunc,drygridtotalunc) |
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| 365 | if (verbosity.eq.1) then |
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| 366 | print*,'called concoutput_surf ' |
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| 367 | CALL SYSTEM_CLOCK(count_clock) |
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| 368 | WRITE(*,*) 'SYSTEM_CLOCK',count_clock - count_clock0 |
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| 369 | endif |
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| 370 | endif |
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| 371 | |
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| 372 | if ((nested_output.eq.1).and.(surf_only.ne.1)) call concoutput_nest(itime,outnum) |
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| 373 | if ((nested_output.eq.1).and.(surf_only.eq.1)) call concoutput_surf_nest(itime,outnum) |
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| 374 | outnum=0. |
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| 375 | endif |
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| 376 | if ((iout.eq.4).or.(iout.eq.5)) call plumetraj(itime) |
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| 377 | if (iflux.eq.1) call fluxoutput(itime) |
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| 378 | !write(*,45) itime,numpart,gridtotalunc,wetgridtotalunc,drygridtotalunc |
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| 379 | write(*,46) float(itime)/3600,itime,numpart |
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| 380 | 45 format(i9,' SECONDS SIMULATED: ',i8, ' PARTICLES: Uncertainty: ',3f7.3) |
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| 381 | 46 format(' Simulated ',f7.1,' hours (',i9,' s), ',i8, ' particles') |
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| 382 | if (ipout.ge.1) call partoutput(itime) ! dump particle positions |
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| 383 | loutnext=loutnext+loutstep |
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| 384 | loutstart=loutnext-loutaver/2 |
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| 385 | loutend=loutnext+loutaver/2 |
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| 386 | if (itime.eq.loutstart) then |
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| 387 | weight=0.5 |
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| 388 | outnum=outnum+weight |
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| 389 | call conccalc(itime,weight) |
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| 390 | endif |
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| 391 | |
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| 392 | |
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| 393 | ! Check, whether particles are to be split: |
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| 394 | ! If so, create new particles and attribute all information from the old |
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| 395 | ! particles also to the new ones; old and new particles both get half the |
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| 396 | ! mass of the old ones |
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| 397 | !************************************************************************ |
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| 398 | |
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| 399 | if (ldirect*itime.ge.ldirect*itsplit) then |
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| 400 | n=numpart |
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| 401 | do j=1,numpart |
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| 402 | if (ldirect*itime.ge.ldirect*itrasplit(j)) then |
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| 403 | if (n.lt.maxpart) then |
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| 404 | n=n+1 |
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| 405 | itrasplit(j)=2*(itrasplit(j)-itramem(j))+itramem(j) |
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| 406 | itrasplit(n)=itrasplit(j) |
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| 407 | itramem(n)=itramem(j) |
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| 408 | itra1(n)=itra1(j) |
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| 409 | idt(n)=idt(j) |
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| 410 | npoint(n)=npoint(j) |
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| 411 | nclass(n)=nclass(j) |
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| 412 | xtra1(n)=xtra1(j) |
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| 413 | ytra1(n)=ytra1(j) |
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| 414 | ztra1(n)=ztra1(j) |
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| 415 | uap(n)=uap(j) |
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| 416 | ucp(n)=ucp(j) |
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| 417 | uzp(n)=uzp(j) |
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| 418 | us(n)=us(j) |
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| 419 | vs(n)=vs(j) |
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| 420 | ws(n)=ws(j) |
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| 421 | cbt(n)=cbt(j) |
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| 422 | do ks=1,nspec |
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| 423 | xmass1(j,ks)=xmass1(j,ks)/2. |
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| 424 | xmass1(n,ks)=xmass1(j,ks) |
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| 425 | end do |
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| 426 | endif |
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| 427 | endif |
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| 428 | end do |
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| 429 | numpart=n |
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| 430 | endif |
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| 431 | endif |
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| 432 | endif |
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| 433 | |
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| 434 | |
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| 435 | if (itime.eq.ideltas) exit ! almost finished |
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| 436 | |
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| 437 | ! Compute interval since radioactive decay of deposited mass was computed |
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| 438 | !************************************************************************ |
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| 439 | |
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| 440 | if (itime.lt.loutnext) then |
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| 441 | ldeltat=itime-(loutnext-loutstep) |
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| 442 | else ! first half of next interval |
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| 443 | ldeltat=itime-loutnext |
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| 444 | endif |
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| 445 | |
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| 446 | |
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| 447 | ! Loop over all particles |
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| 448 | !************************ |
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| 449 | |
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| 450 | do j=1,numpart |
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| 451 | |
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| 452 | |
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| 453 | ! If integration step is due, do it |
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| 454 | !********************************** |
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| 455 | |
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| 456 | if (itra1(j).eq.itime) then |
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| 457 | |
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| 458 | if (ioutputforeachrelease.eq.1) then |
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| 459 | kp=npoint(j) |
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| 460 | else |
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| 461 | kp=1 |
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| 462 | endif |
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| 463 | ! Determine age class of the particle |
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| 464 | itage=abs(itra1(j)-itramem(j)) |
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| 465 | do nage=1,nageclass |
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| 466 | if (itage.lt.lage(nage)) exit |
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| 467 | end do |
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| 468 | |
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| 469 | ! Initialize newly released particle |
|---|
| 470 | !*********************************** |
|---|
| 471 | |
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| 472 | if ((itramem(j).eq.itime).or.(itime.eq.0)) & |
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| 473 | call initialize(itime,idt(j),uap(j),ucp(j),uzp(j), & |
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| 474 | us(j),vs(j),ws(j),xtra1(j),ytra1(j),ztra1(j),cbt(j)) |
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| 475 | |
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| 476 | ! Memorize particle positions |
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| 477 | !**************************** |
|---|
| 478 | |
|---|
| 479 | xold=xtra1(j) |
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| 480 | yold=ytra1(j) |
|---|
| 481 | zold=ztra1(j) |
|---|
| 482 | |
|---|
| 483 | ! Integrate Lagevin equation for lsynctime seconds |
|---|
| 484 | !************************************************* |
|---|
| 485 | |
|---|
| 486 | call advance(itime,npoint(j),idt(j),uap(j),ucp(j),uzp(j), & |
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| 487 | us(j),vs(j),ws(j),nstop,xtra1(j),ytra1(j),ztra1(j),prob, & |
|---|
| 488 | cbt(j)) |
|---|
| 489 | |
|---|
| 490 | ! Calculate the gross fluxes across layer interfaces |
|---|
| 491 | !*************************************************** |
|---|
| 492 | |
|---|
| 493 | if (iflux.eq.1) call calcfluxes(nage,j,xold,yold,zold) |
|---|
| 494 | |
|---|
| 495 | |
|---|
| 496 | ! Determine, when next time step is due |
|---|
| 497 | ! If trajectory is terminated, mark it |
|---|
| 498 | !************************************** |
|---|
| 499 | |
|---|
| 500 | if (nstop.gt.1) then |
|---|
| 501 | if (linit_cond.ge.1) call initial_cond_calc(itime,j) |
|---|
| 502 | itra1(j)=-999999999 |
|---|
| 503 | else |
|---|
| 504 | itra1(j)=itime+lsynctime |
|---|
| 505 | |
|---|
| 506 | |
|---|
| 507 | ! Dry deposition and radioactive decay for each species |
|---|
| 508 | ! Also check maximum (of all species) of initial mass remaining on the particle; |
|---|
| 509 | ! if it is below a threshold value, terminate particle |
|---|
| 510 | !***************************************************************************** |
|---|
| 511 | |
|---|
| 512 | xmassfract=0. |
|---|
| 513 | do ks=1,nspec |
|---|
| 514 | if (decay(ks).gt.0.) then ! radioactive decay |
|---|
| 515 | decfact=exp(-real(abs(lsynctime))*decay(ks)) |
|---|
| 516 | else |
|---|
| 517 | decfact=1. |
|---|
| 518 | endif |
|---|
| 519 | |
|---|
| 520 | if (DRYDEPSPEC(ks)) then ! dry deposition |
|---|
| 521 | drydeposit(ks)=xmass1(j,ks)*prob(ks)*decfact |
|---|
| 522 | xmass1(j,ks)=xmass1(j,ks)*(1.-prob(ks))*decfact |
|---|
| 523 | if (decay(ks).gt.0.) then ! correct for decay (see wetdepo) |
|---|
| 524 | drydeposit(ks)=drydeposit(ks)* & |
|---|
| 525 | exp(real(abs(ldeltat))*decay(ks)) |
|---|
| 526 | endif |
|---|
| 527 | else ! no dry deposition |
|---|
| 528 | xmass1(j,ks)=xmass1(j,ks)*decfact |
|---|
| 529 | endif |
|---|
| 530 | |
|---|
| 531 | |
|---|
| 532 | if (mdomainfill.eq.0) then |
|---|
| 533 | if (xmass(npoint(j),ks).gt.0.) & |
|---|
| 534 | xmassfract=max(xmassfract,real(npart(npoint(j)))* & |
|---|
| 535 | xmass1(j,ks)/xmass(npoint(j),ks)) |
|---|
| 536 | else |
|---|
| 537 | xmassfract=1. |
|---|
| 538 | endif |
|---|
| 539 | end do |
|---|
| 540 | |
|---|
| 541 | if (xmassfract.lt.0.0001) then ! terminate all particles carrying less mass |
|---|
| 542 | itra1(j)=-999999999 |
|---|
| 543 | endif |
|---|
| 544 | |
|---|
| 545 | ! Sabine Eckhardt, June 2008 |
|---|
| 546 | ! don't create depofield for backward runs |
|---|
| 547 | if (DRYDEP.AND.(ldirect.eq.1)) then |
|---|
| 548 | call drydepokernel(nclass(j),drydeposit,real(xtra1(j)), & |
|---|
| 549 | real(ytra1(j)),nage,kp) |
|---|
| 550 | if (nested_output.eq.1) call drydepokernel_nest( & |
|---|
| 551 | nclass(j),drydeposit,real(xtra1(j)),real(ytra1(j)), & |
|---|
| 552 | nage,kp) |
|---|
| 553 | endif |
|---|
| 554 | |
|---|
| 555 | ! Terminate trajectories that are older than maximum allowed age |
|---|
| 556 | !*************************************************************** |
|---|
| 557 | |
|---|
| 558 | if (abs(itra1(j)-itramem(j)).ge.lage(nageclass)) then |
|---|
| 559 | if (linit_cond.ge.1) & |
|---|
| 560 | call initial_cond_calc(itime+lsynctime,j) |
|---|
| 561 | itra1(j)=-999999999 |
|---|
| 562 | endif |
|---|
| 563 | endif |
|---|
| 564 | |
|---|
| 565 | endif |
|---|
| 566 | |
|---|
| 567 | end do |
|---|
| 568 | |
|---|
| 569 | end do |
|---|
| 570 | |
|---|
| 571 | |
|---|
| 572 | ! Complete the calculation of initial conditions for particles not yet terminated |
|---|
| 573 | !***************************************************************************** |
|---|
| 574 | |
|---|
| 575 | do j=1,numpart |
|---|
| 576 | if (linit_cond.ge.1) call initial_cond_calc(itime,j) |
|---|
| 577 | end do |
|---|
| 578 | |
|---|
| 579 | if (ipout.eq.2) call partoutput(itime) ! dump particle positions |
|---|
| 580 | |
|---|
| 581 | if (linit_cond.ge.1) call initial_cond_output(itime) ! dump initial cond. field |
|---|
| 582 | |
|---|
| 583 | close(104) |
|---|
| 584 | |
|---|
| 585 | ! De-allocate memory and end |
|---|
| 586 | !*************************** |
|---|
| 587 | |
|---|
| 588 | if (iflux.eq.1) then |
|---|
| 589 | deallocate(flux) |
|---|
| 590 | endif |
|---|
| 591 | if (OHREA.eqv..TRUE.) then |
|---|
| 592 | deallocate(OH_field,OH_field_height) |
|---|
| 593 | endif |
|---|
| 594 | if (ldirect.gt.0) then |
|---|
| 595 | deallocate(drygridunc,wetgridunc) |
|---|
| 596 | endif |
|---|
| 597 | deallocate(gridunc) |
|---|
| 598 | deallocate(xpoint1,xpoint2,ypoint1,ypoint2,zpoint1,zpoint2,xmass) |
|---|
| 599 | deallocate(ireleasestart,ireleaseend,npart,kindz) |
|---|
| 600 | deallocate(xmasssave) |
|---|
| 601 | if (nested_output.eq.1) then |
|---|
| 602 | deallocate(orooutn, arean, volumen) |
|---|
| 603 | if (ldirect.gt.0) then |
|---|
| 604 | deallocate(griduncn,drygriduncn,wetgriduncn) |
|---|
| 605 | endif |
|---|
| 606 | endif |
|---|
| 607 | deallocate(outheight,outheighthalf) |
|---|
| 608 | deallocate(oroout, area, volume) |
|---|
| 609 | |
|---|
| 610 | end subroutine timemanager |
|---|
| 611 | |
|---|
