| 1 | !********************************************************************** |
|---|
| 2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
|---|
| 3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
|---|
| 4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
|---|
| 5 | ! * |
|---|
| 6 | ! This file is part of FLEXPART. * |
|---|
| 7 | ! * |
|---|
| 8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
|---|
| 9 | ! it under the terms of the GNU General Public License as published by* |
|---|
| 10 | ! the Free Software Foundation, either version 3 of the License, or * |
|---|
| 11 | ! (at your option) any later version. * |
|---|
| 12 | ! * |
|---|
| 13 | ! FLEXPART is distributed in the hope that it will be useful, * |
|---|
| 14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
|---|
| 15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
|---|
| 16 | ! GNU General Public License for more details. * |
|---|
| 17 | ! * |
|---|
| 18 | ! You should have received a copy of the GNU General Public License * |
|---|
| 19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
|---|
| 20 | !********************************************************************** |
|---|
| 21 | |
|---|
| 22 | subroutine timemanager(metdata_format) |
|---|
| 23 | |
|---|
| 24 | !***************************************************************************** |
|---|
| 25 | ! * |
|---|
| 26 | ! Handles the computation of trajectories, i.e. determines which * |
|---|
| 27 | ! trajectories have to be computed at what time. * |
|---|
| 28 | ! Manages dry+wet deposition routines, radioactive decay and the computation * |
|---|
| 29 | ! of concentrations. * |
|---|
| 30 | ! * |
|---|
| 31 | ! Author: A. Stohl * |
|---|
| 32 | ! * |
|---|
| 33 | ! 20 May 1996 * |
|---|
| 34 | ! * |
|---|
| 35 | !***************************************************************************** |
|---|
| 36 | ! Changes, Bernd C. Krueger, Feb. 2001: * |
|---|
| 37 | ! Call of convmix when new windfield is read * |
|---|
| 38 | !------------------------------------ * |
|---|
| 39 | ! Changes Petra Seibert, Sept 2002 * |
|---|
| 40 | ! fix wet scavenging problem * |
|---|
| 41 | ! Code may not be correct for decay of deposition! * |
|---|
| 42 | ! Changes Petra Seibert, Nov 2002 * |
|---|
| 43 | ! call convection BEFORE new fields are read in BWD mode * |
|---|
| 44 | ! Changes Caroline Forster, Feb 2005 * |
|---|
| 45 | !new interface between flexpart and convection scheme * |
|---|
| 46 | !Emanuel's latest subroutine convect43c.f is used * |
|---|
| 47 | !***************************************************************************** |
|---|
| 48 | ! * |
|---|
| 49 | ! Variables: * |
|---|
| 50 | ! DEP .true. if either wet or dry deposition is switched on * |
|---|
| 51 | ! decay(maxspec) [1/s] decay constant for radioactive decay * |
|---|
| 52 | ! DRYDEP .true. if dry deposition is switched on * |
|---|
| 53 | ! ideltas [s] modelling period * |
|---|
| 54 | ! itime [s] actual temporal position of calculation * |
|---|
| 55 | ! ldeltat [s] time since computation of radioact. decay of depositions* |
|---|
| 56 | ! loutaver [s] averaging period for concentration calculations * |
|---|
| 57 | ! loutend [s] end of averaging for concentration calculations * |
|---|
| 58 | ! loutnext [s] next time at which output fields shall be centered * |
|---|
| 59 | ! loutsample [s] sampling interval for averaging of concentrations * |
|---|
| 60 | ! loutstart [s] start of averaging for concentration calculations * |
|---|
| 61 | ! loutstep [s] time interval for which concentrations shall be * |
|---|
| 62 | ! calculated * |
|---|
| 63 | ! npoint(maxpart) index, which starting point the trajectory has * |
|---|
| 64 | ! starting positions of trajectories * |
|---|
| 65 | ! nstop serves as indicator for fate of particles * |
|---|
| 66 | ! in the particle loop * |
|---|
| 67 | ! nstop1 serves as indicator for wind fields (see getfields) * |
|---|
| 68 | ! outnum number of samples for each concentration calculation * |
|---|
| 69 | ! outnum number of samples for each concentration calculation * |
|---|
| 70 | ! prob probability of absorption at ground due to dry * |
|---|
| 71 | ! deposition * |
|---|
| 72 | ! WETDEP .true. if wet deposition is switched on * |
|---|
| 73 | ! weight weight for each concentration sample (1/2 or 1) * |
|---|
| 74 | ! uap(maxpart),ucp(maxpart),uzp(maxpart) = random velocities due to * |
|---|
| 75 | ! turbulence * |
|---|
| 76 | ! us(maxpart),vs(maxpart),ws(maxpart) = random velocities due to inter- * |
|---|
| 77 | ! polation * |
|---|
| 78 | ! xtra1(maxpart), ytra1(maxpart), ztra1(maxpart) = * |
|---|
| 79 | ! spatial positions of trajectories * |
|---|
| 80 | ! * |
|---|
| 81 | ! Constants: * |
|---|
| 82 | ! maxpart maximum number of trajectories * |
|---|
| 83 | ! * |
|---|
| 84 | !***************************************************************************** |
|---|
| 85 | |
|---|
| 86 | use unc_mod |
|---|
| 87 | use point_mod |
|---|
| 88 | use xmass_mod |
|---|
| 89 | use flux_mod |
|---|
| 90 | use outg_mod |
|---|
| 91 | use oh_mod |
|---|
| 92 | use par_mod |
|---|
| 93 | use com_mod |
|---|
| 94 | |
|---|
| 95 | implicit none |
|---|
| 96 | |
|---|
| 97 | integer :: j,ks,kp,l,n,itime,nstop,nstop1,metdata_format |
|---|
| 98 | ! integer :: ksp |
|---|
| 99 | integer :: loutnext,loutstart,loutend |
|---|
| 100 | integer :: ix,jy,ldeltat,itage,nage |
|---|
| 101 | real :: outnum,weight,prob(maxspec) |
|---|
| 102 | real :: uap(maxpart),ucp(maxpart),uzp(maxpart),decfact |
|---|
| 103 | real :: us(maxpart),vs(maxpart),ws(maxpart) |
|---|
| 104 | integer(kind=2) :: cbt(maxpart) |
|---|
| 105 | real :: drydeposit(maxspec),gridtotalunc,wetgridtotalunc |
|---|
| 106 | real :: drygridtotalunc,xold,yold,zold,xmassfract |
|---|
| 107 | !double precision xm(maxspec,maxpointspec_act), |
|---|
| 108 | ! + xm_depw(maxspec,maxpointspec_act), |
|---|
| 109 | ! + xm_depd(maxspec,maxpointspec_act) |
|---|
| 110 | |
|---|
| 111 | |
|---|
| 112 | !open(88,file='TEST.dat') |
|---|
| 113 | |
|---|
| 114 | ! First output for time 0 |
|---|
| 115 | !************************ |
|---|
| 116 | |
|---|
| 117 | loutnext=loutstep/2 |
|---|
| 118 | outnum=0. |
|---|
| 119 | loutstart=loutnext-loutaver/2 |
|---|
| 120 | loutend=loutnext+loutaver/2 |
|---|
| 121 | |
|---|
| 122 | ! open(127,file=path(2)(1:length(2))//'depostat.dat' |
|---|
| 123 | ! + ,form='unformatted') |
|---|
| 124 | !write (*,*) 'writing deposition statistics depostat.dat!' |
|---|
| 125 | |
|---|
| 126 | !********************************************************************** |
|---|
| 127 | ! Loop over the whole modelling period in time steps of mintime seconds |
|---|
| 128 | !********************************************************************** |
|---|
| 129 | |
|---|
| 130 | !write (*,*) 'starting simulation' |
|---|
| 131 | do itime=0,ideltas,lsynctime |
|---|
| 132 | |
|---|
| 133 | |
|---|
| 134 | ! Computation of wet deposition, OH reaction and mass transfer |
|---|
| 135 | ! between two species every lsynctime seconds |
|---|
| 136 | ! maybe wet depo frequency can be relaxed later but better be on safe side |
|---|
| 137 | ! wetdepo must be called BEFORE new fields are read in but should not |
|---|
| 138 | ! be called in the very beginning before any fields are loaded, or |
|---|
| 139 | ! before particles are in the system |
|---|
| 140 | ! Code may not be correct for decay of deposition |
|---|
| 141 | ! changed by Petra Seibert 9/02 |
|---|
| 142 | !******************************************************************** |
|---|
| 143 | |
|---|
| 144 | if (WETDEP .and. itime .ne. 0 .and. numpart .gt. 0) & |
|---|
| 145 | call wetdepo(itime,lsynctime,loutnext) |
|---|
| 146 | |
|---|
| 147 | if (OHREA .and. itime .ne. 0 .and. numpart .gt. 0) & |
|---|
| 148 | call ohreaction(itime,lsynctime,loutnext) |
|---|
| 149 | |
|---|
| 150 | if (ASSSPEC .and. itime .ne. 0 .and. numpart .gt. 0) then |
|---|
| 151 | stop 'associated species not yet implemented!' |
|---|
| 152 | ! call transferspec(itime,lsynctime,loutnext) |
|---|
| 153 | endif |
|---|
| 154 | |
|---|
| 155 | ! compute convection for backward runs |
|---|
| 156 | !************************************* |
|---|
| 157 | |
|---|
| 158 | if (metdata_format.eq.ecmwf_metdata) then |
|---|
| 159 | if ((ldirect.eq.-1).and.(lconvection.eq.1).and.(itime.lt.0)) & |
|---|
| 160 | call convmix_ecmwf(itime) |
|---|
| 161 | endif |
|---|
| 162 | if (metdata_format.eq.gfs_metdata) then |
|---|
| 163 | if ((ldirect.eq.-1).and.(lconvection.eq.1).and.(itime.lt.0)) & |
|---|
| 164 | call convmix_gfs(itime) |
|---|
| 165 | endif |
|---|
| 166 | |
|---|
| 167 | |
|---|
| 168 | ! Get necessary wind fields if not available |
|---|
| 169 | !******************************************* |
|---|
| 170 | |
|---|
| 171 | #ifdef TESTUSEGETFPFIELDS |
|---|
| 172 | ! Set up |
|---|
| 173 | call getfpfields(itime,nstop1,metdata_format) |
|---|
| 174 | #else |
|---|
| 175 | if ( preprocessed_metdata.eq.1 ) then |
|---|
| 176 | call getfpfields(itime,nstop1,metdata_format) |
|---|
| 177 | else |
|---|
| 178 | call getfields(itime,nstop1,metdata_format) |
|---|
| 179 | endif |
|---|
| 180 | #endif |
|---|
| 181 | if (nstop1.gt.1) stop 'NO METEO FIELDS AVAILABLE' |
|---|
| 182 | ! Release particles |
|---|
| 183 | !****************** |
|---|
| 184 | |
|---|
| 185 | if (mdomainfill.ge.1) then |
|---|
| 186 | if (itime.eq.0) then |
|---|
| 187 | call init_domainfill |
|---|
| 188 | else |
|---|
| 189 | call boundcond_domainfill(itime,loutend) |
|---|
| 190 | endif |
|---|
| 191 | else |
|---|
| 192 | call releaseparticles(itime) |
|---|
| 193 | endif |
|---|
| 194 | |
|---|
| 195 | |
|---|
| 196 | ! Compute convective mixing for forward runs |
|---|
| 197 | ! for backward runs it is done before next windfield is read in |
|---|
| 198 | !************************************************************** |
|---|
| 199 | if (metdata_format.eq.ecmwf_metdata) then |
|---|
| 200 | if ((ldirect.eq.1).and.(lconvection.eq.1)) & |
|---|
| 201 | call convmix_ecmwf(itime) |
|---|
| 202 | endif |
|---|
| 203 | if (metdata_format.eq.gfs_metdata) then |
|---|
| 204 | if ((ldirect.eq.1).and.(lconvection.eq.1)) & |
|---|
| 205 | call convmix_gfs(itime) |
|---|
| 206 | endif |
|---|
| 207 | |
|---|
| 208 | |
|---|
| 209 | ! If middle of averaging period of output fields is reached, accumulated |
|---|
| 210 | ! deposited mass radioactively decays |
|---|
| 211 | !*********************************************************************** |
|---|
| 212 | |
|---|
| 213 | if (DEP.and.(itime.eq.loutnext).and.(ldirect.gt.0)) then |
|---|
| 214 | do ks=1,nspec |
|---|
| 215 | do kp=1,maxpointspec_act |
|---|
| 216 | if (decay(ks).gt.0.) then |
|---|
| 217 | do nage=1,nageclass |
|---|
| 218 | do l=1,nclassunc |
|---|
| 219 | ! Mother output grid |
|---|
| 220 | do jy=0,numygrid-1 |
|---|
| 221 | do ix=0,numxgrid-1 |
|---|
| 222 | wetgridunc(ix,jy,ks,kp,l,nage)= & |
|---|
| 223 | wetgridunc(ix,jy,ks,kp,l,nage)* & |
|---|
| 224 | exp(-1.*outstep*decay(ks)) |
|---|
| 225 | drygridunc(ix,jy,ks,kp,l,nage)= & |
|---|
| 226 | drygridunc(ix,jy,ks,kp,l,nage)* & |
|---|
| 227 | exp(-1.*outstep*decay(ks)) |
|---|
| 228 | end do |
|---|
| 229 | end do |
|---|
| 230 | ! Nested output grid |
|---|
| 231 | if (nested_output.eq.1) then |
|---|
| 232 | do jy=0,numygridn-1 |
|---|
| 233 | do ix=0,numxgridn-1 |
|---|
| 234 | wetgriduncn(ix,jy,ks,kp,l,nage)= & |
|---|
| 235 | wetgriduncn(ix,jy,ks,kp,l,nage)* & |
|---|
| 236 | exp(-1.*outstep*decay(ks)) |
|---|
| 237 | drygriduncn(ix,jy,ks,kp,l,nage)= & |
|---|
| 238 | drygriduncn(ix,jy,ks,kp,l,nage)* & |
|---|
| 239 | exp(-1.*outstep*decay(ks)) |
|---|
| 240 | end do |
|---|
| 241 | end do |
|---|
| 242 | endif |
|---|
| 243 | end do |
|---|
| 244 | end do |
|---|
| 245 | endif |
|---|
| 246 | end do |
|---|
| 247 | end do |
|---|
| 248 | endif |
|---|
| 249 | |
|---|
| 250 | !!! CHANGE: These lines may be switched on to check the conservation |
|---|
| 251 | !!! of mass within FLEXPART |
|---|
| 252 | ! if (itime.eq.loutnext) then |
|---|
| 253 | ! do 247 ksp=1, nspec |
|---|
| 254 | ! do 247 kp=1, maxpointspec_act |
|---|
| 255 | !47 xm(ksp,kp)=0. |
|---|
| 256 | |
|---|
| 257 | ! do 249 ksp=1, nspec |
|---|
| 258 | ! do 249 j=1,numpart |
|---|
| 259 | ! if (ioutputforeachrelease.eq.1) then |
|---|
| 260 | ! kp=npoint(j) |
|---|
| 261 | ! else |
|---|
| 262 | ! kp=1 |
|---|
| 263 | ! endif |
|---|
| 264 | ! if (itra1(j).eq.itime) then |
|---|
| 265 | ! xm(ksp,kp)=xm(ksp,kp)+xmass1(j,ksp) |
|---|
| 266 | ! write(*,*) 'xmass: ',xmass1(j,ksp),j,ksp,nspec |
|---|
| 267 | ! endif |
|---|
| 268 | !49 continue |
|---|
| 269 | ! do 248 ksp=1,nspec |
|---|
| 270 | ! do 248 kp=1,maxpointspec_act |
|---|
| 271 | ! xm_depw(ksp,kp)=0. |
|---|
| 272 | ! xm_depd(ksp,kp)=0. |
|---|
| 273 | ! do 248 nage=1,nageclass |
|---|
| 274 | ! do 248 ix=0,numxgrid-1 |
|---|
| 275 | ! do 248 jy=0,numygrid-1 |
|---|
| 276 | ! do 248 l=1,nclassunc |
|---|
| 277 | ! xm_depw(ksp,kp)=xm_depw(ksp,kp) |
|---|
| 278 | ! + +wetgridunc(ix,jy,ksp,kp,l,nage) |
|---|
| 279 | !48 xm_depd(ksp,kp)=xm_depd(ksp,kp) |
|---|
| 280 | ! + +drygridunc(ix,jy,ksp,kp,l,nage) |
|---|
| 281 | ! do 246 ksp=1,nspec |
|---|
| 282 | !46 write(88,'(2i10,3e12.3)') |
|---|
| 283 | ! + itime,ksp,(xm(ksp,kp),kp=1,maxpointspec_act), |
|---|
| 284 | ! + (xm_depw(ksp,kp),kp=1,maxpointspec_act), |
|---|
| 285 | ! + (xm_depd(ksp,kp),kp=1,maxpointspec_act) |
|---|
| 286 | ! endif |
|---|
| 287 | !!! CHANGE |
|---|
| 288 | |
|---|
| 289 | |
|---|
| 290 | |
|---|
| 291 | ! Check whether concentrations are to be calculated |
|---|
| 292 | !************************************************** |
|---|
| 293 | |
|---|
| 294 | if ((ldirect*itime.ge.ldirect*loutstart).and. & |
|---|
| 295 | (ldirect*itime.le.ldirect*loutend)) then ! add to grid |
|---|
| 296 | if (mod(itime-loutstart,loutsample).eq.0) then |
|---|
| 297 | |
|---|
| 298 | ! If we are exactly at the start or end of the concentration averaging interval, |
|---|
| 299 | ! give only half the weight to this sample |
|---|
| 300 | !***************************************************************************** |
|---|
| 301 | |
|---|
| 302 | if ((itime.eq.loutstart).or.(itime.eq.loutend)) then |
|---|
| 303 | weight=0.5 |
|---|
| 304 | else |
|---|
| 305 | weight=1.0 |
|---|
| 306 | endif |
|---|
| 307 | outnum=outnum+weight |
|---|
| 308 | call conccalc(itime,weight) |
|---|
| 309 | endif |
|---|
| 310 | |
|---|
| 311 | |
|---|
| 312 | if ((mquasilag.eq.1).and.(itime.eq.(loutstart+loutend)/2)) & |
|---|
| 313 | call partoutput_short(itime) ! dump particle positions in extremely compressed format |
|---|
| 314 | |
|---|
| 315 | |
|---|
| 316 | ! Output and reinitialization of grid |
|---|
| 317 | ! If necessary, first sample of new grid is also taken |
|---|
| 318 | !***************************************************** |
|---|
| 319 | |
|---|
| 320 | if ((itime.eq.loutend).and.(outnum.gt.0.)) then |
|---|
| 321 | if ((iout.le.3.).or.(iout.eq.5)) then |
|---|
| 322 | call concoutput(itime,outnum,gridtotalunc, & |
|---|
| 323 | wetgridtotalunc,drygridtotalunc) |
|---|
| 324 | if (nested_output.eq.1) call concoutput_nest(itime,outnum) |
|---|
| 325 | outnum=0. |
|---|
| 326 | endif |
|---|
| 327 | if ((iout.eq.4).or.(iout.eq.5)) call plumetraj(itime) |
|---|
| 328 | if (iflux.eq.1) call fluxoutput(itime) |
|---|
| 329 | write(*,45) itime,numpart,gridtotalunc,wetgridtotalunc, & |
|---|
| 330 | drygridtotalunc |
|---|
| 331 | 45 format(i9,' SECONDS SIMULATED: ',i8, & |
|---|
| 332 | ' PARTICLES: Uncertainty: ',3f7.3) |
|---|
| 333 | if (ipout.ge.1) call partoutput(itime) ! dump particle positions |
|---|
| 334 | loutnext=loutnext+loutstep |
|---|
| 335 | loutstart=loutnext-loutaver/2 |
|---|
| 336 | loutend=loutnext+loutaver/2 |
|---|
| 337 | if (itime.eq.loutstart) then |
|---|
| 338 | weight=0.5 |
|---|
| 339 | outnum=outnum+weight |
|---|
| 340 | call conccalc(itime,weight) |
|---|
| 341 | endif |
|---|
| 342 | |
|---|
| 343 | |
|---|
| 344 | ! Check, whether particles are to be split: |
|---|
| 345 | ! If so, create new particles and attribute all information from the old |
|---|
| 346 | ! particles also to the new ones; old and new particles both get half the |
|---|
| 347 | ! mass of the old ones |
|---|
| 348 | !************************************************************************ |
|---|
| 349 | |
|---|
| 350 | if (ldirect*itime.ge.ldirect*itsplit) then |
|---|
| 351 | n=numpart |
|---|
| 352 | do j=1,numpart |
|---|
| 353 | if (ldirect*itime.ge.ldirect*itrasplit(j)) then |
|---|
| 354 | if (n.lt.maxpart) then |
|---|
| 355 | n=n+1 |
|---|
| 356 | itrasplit(j)=2*(itrasplit(j)-itramem(j))+itramem(j) |
|---|
| 357 | itrasplit(n)=itrasplit(j) |
|---|
| 358 | itramem(n)=itramem(j) |
|---|
| 359 | itra1(n)=itra1(j) |
|---|
| 360 | idt(n)=idt(j) |
|---|
| 361 | npoint(n)=npoint(j) |
|---|
| 362 | nclass(n)=nclass(j) |
|---|
| 363 | xtra1(n)=xtra1(j) |
|---|
| 364 | ytra1(n)=ytra1(j) |
|---|
| 365 | ztra1(n)=ztra1(j) |
|---|
| 366 | uap(n)=uap(j) |
|---|
| 367 | ucp(n)=ucp(j) |
|---|
| 368 | uzp(n)=uzp(j) |
|---|
| 369 | us(n)=us(j) |
|---|
| 370 | vs(n)=vs(j) |
|---|
| 371 | ws(n)=ws(j) |
|---|
| 372 | cbt(n)=cbt(j) |
|---|
| 373 | do ks=1,nspec |
|---|
| 374 | xmass1(j,ks)=xmass1(j,ks)/2. |
|---|
| 375 | xmass1(n,ks)=xmass1(j,ks) |
|---|
| 376 | end do |
|---|
| 377 | endif |
|---|
| 378 | endif |
|---|
| 379 | end do |
|---|
| 380 | numpart=n |
|---|
| 381 | endif |
|---|
| 382 | endif |
|---|
| 383 | endif |
|---|
| 384 | |
|---|
| 385 | |
|---|
| 386 | if (itime.eq.ideltas) exit ! almost finished |
|---|
| 387 | |
|---|
| 388 | ! Compute interval since radioactive decay of deposited mass was computed |
|---|
| 389 | !************************************************************************ |
|---|
| 390 | |
|---|
| 391 | if (itime.lt.loutnext) then |
|---|
| 392 | ldeltat=itime-(loutnext-loutstep) |
|---|
| 393 | else ! first half of next interval |
|---|
| 394 | ldeltat=itime-loutnext |
|---|
| 395 | endif |
|---|
| 396 | |
|---|
| 397 | |
|---|
| 398 | ! Loop over all particles |
|---|
| 399 | !************************ |
|---|
| 400 | |
|---|
| 401 | do j=1,numpart |
|---|
| 402 | |
|---|
| 403 | |
|---|
| 404 | ! If integration step is due, do it |
|---|
| 405 | !********************************** |
|---|
| 406 | |
|---|
| 407 | if (itra1(j).eq.itime) then |
|---|
| 408 | |
|---|
| 409 | if (ioutputforeachrelease.eq.1) then |
|---|
| 410 | kp=npoint(j) |
|---|
| 411 | else |
|---|
| 412 | kp=1 |
|---|
| 413 | endif |
|---|
| 414 | ! Determine age class of the particle |
|---|
| 415 | itage=abs(itra1(j)-itramem(j)) |
|---|
| 416 | do nage=1,nageclass |
|---|
| 417 | if (itage.lt.lage(nage)) exit |
|---|
| 418 | end do |
|---|
| 419 | |
|---|
| 420 | ! Initialize newly released particle |
|---|
| 421 | !*********************************** |
|---|
| 422 | |
|---|
| 423 | if ((itramem(j).eq.itime).or.(itime.eq.0)) & |
|---|
| 424 | call initialize(itime,idt(j),uap(j),ucp(j),uzp(j), & |
|---|
| 425 | us(j),vs(j),ws(j),xtra1(j),ytra1(j),ztra1(j),cbt(j)) |
|---|
| 426 | |
|---|
| 427 | ! Memorize particle positions |
|---|
| 428 | !**************************** |
|---|
| 429 | |
|---|
| 430 | xold=xtra1(j) |
|---|
| 431 | yold=ytra1(j) |
|---|
| 432 | zold=ztra1(j) |
|---|
| 433 | |
|---|
| 434 | ! Integrate Lagevin equation for lsynctime seconds |
|---|
| 435 | !************************************************* |
|---|
| 436 | |
|---|
| 437 | call advance(itime,npoint(j),idt(j),uap(j),ucp(j),uzp(j), & |
|---|
| 438 | us(j),vs(j),ws(j),nstop,xtra1(j),ytra1(j),ztra1(j),prob, & |
|---|
| 439 | cbt(j)) |
|---|
| 440 | |
|---|
| 441 | ! Calculate the gross fluxes across layer interfaces |
|---|
| 442 | !*************************************************** |
|---|
| 443 | |
|---|
| 444 | if (iflux.eq.1) call calcfluxes(nage,j,xold,yold,zold) |
|---|
| 445 | |
|---|
| 446 | |
|---|
| 447 | ! Determine, when next time step is due |
|---|
| 448 | ! If trajectory is terminated, mark it |
|---|
| 449 | !************************************** |
|---|
| 450 | |
|---|
| 451 | if (nstop.gt.1) then |
|---|
| 452 | if (linit_cond.ge.1) call initial_cond_calc(itime,j) |
|---|
| 453 | itra1(j)=-999999999 |
|---|
| 454 | else |
|---|
| 455 | itra1(j)=itime+lsynctime |
|---|
| 456 | |
|---|
| 457 | |
|---|
| 458 | ! Dry deposition and radioactive decay for each species |
|---|
| 459 | ! Also check maximum (of all species) of initial mass remaining on the particle; |
|---|
| 460 | ! if it is below a threshold value, terminate particle |
|---|
| 461 | !***************************************************************************** |
|---|
| 462 | |
|---|
| 463 | xmassfract=0. |
|---|
| 464 | do ks=1,nspec |
|---|
| 465 | if (decay(ks).gt.0.) then ! radioactive decay |
|---|
| 466 | decfact=exp(-real(abs(lsynctime))*decay(ks)) |
|---|
| 467 | else |
|---|
| 468 | decfact=1. |
|---|
| 469 | endif |
|---|
| 470 | |
|---|
| 471 | if (DRYDEPSPEC(ks)) then ! dry deposition |
|---|
| 472 | drydeposit(ks)=xmass1(j,ks)*prob(ks)*decfact |
|---|
| 473 | xmass1(j,ks)=xmass1(j,ks)*(1.-prob(ks))*decfact |
|---|
| 474 | if (decay(ks).gt.0.) then ! correct for decay (see wetdepo) |
|---|
| 475 | drydeposit(ks)=drydeposit(ks)* & |
|---|
| 476 | exp(real(abs(ldeltat))*decay(ks)) |
|---|
| 477 | endif |
|---|
| 478 | else ! no dry deposition |
|---|
| 479 | xmass1(j,ks)=xmass1(j,ks)*decfact |
|---|
| 480 | endif |
|---|
| 481 | |
|---|
| 482 | |
|---|
| 483 | if (mdomainfill.eq.0) then |
|---|
| 484 | if (xmass(npoint(j),ks).gt.0.) & |
|---|
| 485 | xmassfract=max(xmassfract,real(npart(npoint(j)))* & |
|---|
| 486 | xmass1(j,ks)/xmass(npoint(j),ks)) |
|---|
| 487 | else |
|---|
| 488 | xmassfract=1. |
|---|
| 489 | endif |
|---|
| 490 | end do |
|---|
| 491 | |
|---|
| 492 | if (xmassfract.lt.0.0001) then ! terminate all particles carrying less mass |
|---|
| 493 | itra1(j)=-999999999 |
|---|
| 494 | endif |
|---|
| 495 | |
|---|
| 496 | ! Sabine Eckhardt, June 2008 |
|---|
| 497 | ! don't create depofield for backward runs |
|---|
| 498 | if (DRYDEP.AND.(ldirect.eq.1)) then |
|---|
| 499 | call drydepokernel(nclass(j),drydeposit,real(xtra1(j)), & |
|---|
| 500 | real(ytra1(j)),nage,kp) |
|---|
| 501 | if (nested_output.eq.1) call drydepokernel_nest( & |
|---|
| 502 | nclass(j),drydeposit,real(xtra1(j)),real(ytra1(j)), & |
|---|
| 503 | nage,kp) |
|---|
| 504 | endif |
|---|
| 505 | |
|---|
| 506 | ! Terminate trajectories that are older than maximum allowed age |
|---|
| 507 | !*************************************************************** |
|---|
| 508 | |
|---|
| 509 | if (abs(itra1(j)-itramem(j)).ge.lage(nageclass)) then |
|---|
| 510 | if (linit_cond.ge.1) & |
|---|
| 511 | call initial_cond_calc(itime+lsynctime,j) |
|---|
| 512 | itra1(j)=-999999999 |
|---|
| 513 | endif |
|---|
| 514 | endif |
|---|
| 515 | |
|---|
| 516 | endif |
|---|
| 517 | |
|---|
| 518 | end do |
|---|
| 519 | |
|---|
| 520 | end do |
|---|
| 521 | |
|---|
| 522 | |
|---|
| 523 | ! Complete the calculation of initial conditions for particles not yet terminated |
|---|
| 524 | !***************************************************************************** |
|---|
| 525 | |
|---|
| 526 | do j=1,numpart |
|---|
| 527 | if (linit_cond.ge.1) call initial_cond_calc(itime,j) |
|---|
| 528 | end do |
|---|
| 529 | |
|---|
| 530 | if (ipout.eq.2) call partoutput(itime) ! dump particle positions |
|---|
| 531 | |
|---|
| 532 | if (linit_cond.ge.1) call initial_cond_output(itime) ! dump initial cond. field |
|---|
| 533 | |
|---|
| 534 | close(104) |
|---|
| 535 | |
|---|
| 536 | ! De-allocate memory and end |
|---|
| 537 | !*************************** |
|---|
| 538 | |
|---|
| 539 | if (iflux.eq.1) then |
|---|
| 540 | deallocate(flux) |
|---|
| 541 | endif |
|---|
| 542 | if (OHREA.eqv..TRUE.) then |
|---|
| 543 | deallocate(OH_field,OH_field_height) |
|---|
| 544 | endif |
|---|
| 545 | if (ldirect.gt.0) then |
|---|
| 546 | deallocate(drygridunc,wetgridunc) |
|---|
| 547 | endif |
|---|
| 548 | deallocate(gridunc) |
|---|
| 549 | deallocate(xpoint1,xpoint2,ypoint1,ypoint2,zpoint1,zpoint2,xmass) |
|---|
| 550 | deallocate(ireleasestart,ireleaseend,npart,kindz) |
|---|
| 551 | deallocate(xmasssave) |
|---|
| 552 | if (nested_output.eq.1) then |
|---|
| 553 | deallocate(orooutn, arean, volumen) |
|---|
| 554 | if (ldirect.gt.0) then |
|---|
| 555 | deallocate(griduncn,drygriduncn,wetgriduncn) |
|---|
| 556 | endif |
|---|
| 557 | endif |
|---|
| 558 | deallocate(outheight,outheighthalf) |
|---|
| 559 | deallocate(oroout, area, volume) |
|---|
| 560 | |
|---|
| 561 | end subroutine timemanager |
|---|
| 562 | |
|---|
