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timemanager.f90 @ fddc6ec

10.4.1_peseiGFS_025bugfixes+enhancementsdevrelease-10release-10.4.1scaling-bugunivie

Last change on this file since fddc6ec was fdc0f03, checked in by Espen Sollum ATMOS <eso@…>, 8 years ago
Code for cloud water should be correct if the total cw is stored in field clwc (old scheme) or in field qc (new scheme). Minor edits in some files.
Property mode set to `100644`
File size: 27.3 KB

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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
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	! Changes Stefan Henne, Harald Sodemann, 2013-2014 *
48	! added netcdf output code *
49	! Changes Espen Sollum 2014 *
50	! For compatibility with MPI version, *
51	! variables uap,ucp,uzp,us,vs,ws,cbt now in module com_mod *
52	!*****************************************************************************
53	! *
54	! Variables: *
55	! DEP .true. if either wet or dry deposition is switched on *
56	! decay(maxspec) [1/s] decay constant for radioactive decay *
57	! DRYDEP .true. if dry deposition is switched on *
58	! ideltas [s] modelling period *
59	! itime [s] actual temporal position of calculation *
60	! ldeltat [s] time since computation of radioact. decay of depositions*
61	! loutaver [s] averaging period for concentration calculations *
62	! loutend [s] end of averaging for concentration calculations *
63	! loutnext [s] next time at which output fields shall be centered *
64	! loutsample [s] sampling interval for averaging of concentrations *
65	! loutstart [s] start of averaging for concentration calculations *
66	! loutstep [s] time interval for which concentrations shall be *
67	! calculated *
68	! npoint(maxpart) index, which starting point the trajectory has *
69	! starting positions of trajectories *
70	! nstop serves as indicator for fate of particles *
71	! in the particle loop *
72	! nstop1 serves as indicator for wind fields (see getfields) *
73	! outnum number of samples for each concentration calculation *
74	! outnum number of samples for each concentration calculation *
75	! prob probability of absorption at ground due to dry *
76	! deposition *
77	! WETDEP .true. if wet deposition is switched on *
78	! weight weight for each concentration sample (1/2 or 1) *
79	! uap(maxpart),ucp(maxpart),uzp(maxpart) = random velocities due to *
80	! turbulence *
81	! us(maxpart),vs(maxpart),ws(maxpart) = random velocities due to inter- *
82	! polation *
83	! xtra1(maxpart), ytra1(maxpart), ztra1(maxpart) = *
84	! spatial positions of trajectories *
85	! *
86	! Constants: *
87	! maxpart maximum number of trajectories *
88	! *
89	!*****************************************************************************
90
91	use unc_mod
92	use point_mod
93	use xmass_mod
94	use flux_mod
95	use outg_mod
96	use oh_mod
97	use par_mod
98	use com_mod
99	use netcdf_output_mod, only: concoutput_netcdf,concoutput_nest_netcdf,&
100	&concoutput_surf_netcdf,concoutput_surf_nest_netcdf
101
102	implicit none
103
104	integer :: j,ks,kp,l,n,itime,nstop,nstop1
105	! integer :: ksp
106	integer :: loutnext,loutstart,loutend
107	integer :: ix,jy,ldeltat,itage,nage
108	integer :: i_nan=0,ii_nan,total_nan_intl=0 !added by mc to check instability in CBL scheme
109	real :: outnum,weight,prob(maxspec),decfact
110	! real :: uap(maxpart),ucp(maxpart),uzp(maxpart)
111	! real :: us(maxpart),vs(maxpart),ws(maxpart)
112	! integer(kind=2) :: cbt(maxpart)
113	real :: drydeposit(maxspec),gridtotalunc,wetgridtotalunc
114	real :: drygridtotalunc,xold,yold,zold,xmassfract
115	real, parameter :: e_inv = 1.0/exp(1.0)
116	!double precision xm(maxspec,maxpointspec_act),
117	! + xm_depw(maxspec,maxpointspec_act),
118	! + xm_depd(maxspec,maxpointspec_act)
119
120
121	!open(88,file='TEST.dat')
122
123	! First output for time 0
124	!************************
125
126	loutnext=loutstep/2
127	outnum=0.
128	loutstart=loutnext-loutaver/2
129	loutend=loutnext+loutaver/2
130
131	! open(127,file=path(2)(1:length(2))//'depostat.dat'
132	! + ,form='unformatted')
133	!write (,) 'writing deposition statistics depostat.dat!'
134
135	!**********************************************************************
136	! Loop over the whole modelling period in time steps of mintime seconds
137	!**********************************************************************
138
139	!ZHG 2015
140	!CGZ-lifetime: set lifetime to 0
141	! checklifetime(:,:)=0
142	! species_lifetime(:,:)=0
143	! print*, 'Initialized lifetime'
144	!CGZ-lifetime: set lifetime to 0
145
146
147
148	if (verbosity.gt.0) then
149	write (,) 'timemanager> starting simulation'
150	if (verbosity.gt.1) then
151	CALL SYSTEM_CLOCK(count_clock)
152	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
153	endif
154	endif
155
156	do itime=0,ideltas,lsynctime
157
158	! Computation of wet deposition, OH reaction and mass transfer
159	! between two species every lsynctime seconds
160	! maybe wet depo frequency can be relaxed later but better be on safe side
161	! wetdepo must be called BEFORE new fields are read in but should not
162	! be called in the very beginning before any fields are loaded, or
163	! before particles are in the system
164	! Code may not be correct for decay of deposition
165	! changed by Petra Seibert 9/02
166	!********************************************************************
167
168	if (WETDEP .and. itime .ne. 0 .and. numpart .gt. 0) then
169	if (verbosity.gt.0) then
170	write (,) 'timemanager> call wetdepo'
171	endif
172	call wetdepo(itime,lsynctime,loutnext)
173	endif
174
175	if (OHREA .and. itime .ne. 0 .and. numpart .gt. 0) &
176	call ohreaction(itime,lsynctime,loutnext)
177
178	if (ASSSPEC .and. itime .ne. 0 .and. numpart .gt. 0) then
179	stop 'associated species not yet implemented!'
180	! call transferspec(itime,lsynctime,loutnext)
181	endif
182
183	! compute convection for backward runs
184	!*************************************
185
186	if ((ldirect.eq.-1).and.(lconvection.eq.1).and.(itime.lt.0)) then
187	if (verbosity.gt.0) then
188	write (,) 'timemanager> call convmix -- backward'
189	endif
190	call convmix(itime)
191	if (verbosity.gt.1) then
192	!CALL SYSTEM_CLOCK(count_clock, count_rate, count_max)
193	CALL SYSTEM_CLOCK(count_clock)
194	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
195	endif
196	endif
197
198	! Get necessary wind fields if not available
199	!*******************************************
200	if (verbosity.gt.0) then
201	write (,) 'timemanager> call getfields'
202	endif
203	call getfields(itime,nstop1)
204	if (verbosity.gt.1) then
205	CALL SYSTEM_CLOCK(count_clock)
206	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
207	endif
208	if (nstop1.gt.1) stop 'NO METEO FIELDS AVAILABLE'
209
210	! Get hourly OH fields if not available
211	!****************************************************
212	if (OHREA) then
213	if (verbosity.gt.0) then
214	write (,) 'timemanager> call gethourlyOH'
215	endif
216	call gethourlyOH(itime)
217	if (verbosity.gt.1) then
218	CALL SYSTEM_CLOCK(count_clock)
219	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
220	endif
221	endif
222
223	! Release particles
224	!******************
225
226	if (verbosity.gt.0) then
227	write (,) 'timemanager> Release particles'
228	endif
229
230	if (mdomainfill.ge.1) then
231	if (itime.eq.0) then
232	if (verbosity.gt.0) then
233	write (,) 'timemanager> call init_domainfill'
234	endif
235	call init_domainfill
236	else
237	if (verbosity.gt.0) then
238	write (,) 'timemanager> call boundcond_domainfill'
239	endif
240	call boundcond_domainfill(itime,loutend)
241	endif
242	else
243	if (verbosity.gt.0) then
244	print*,'call releaseparticles'
245	endif
246	call releaseparticles(itime)
247	if (verbosity.gt.1) then
248	CALL SYSTEM_CLOCK(count_clock)
249	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
250	endif
251	endif
252
253
254	! Compute convective mixing for forward runs
255	! for backward runs it is done before next windfield is read in
256	!**************************************************************
257
258	if ((ldirect.eq.1).and.(lconvection.eq.1)) then
259	if (verbosity.gt.0) then
260	write (,) 'timemanager> call convmix -- forward'
261	endif
262	call convmix(itime)
263	endif
264
265	! If middle of averaging period of output fields is reached, accumulated
266	! deposited mass radioactively decays
267	!***********************************************************************
268
269	if (DEP.and.(itime.eq.loutnext).and.(ldirect.gt.0)) then
270	do ks=1,nspec
271	do kp=1,maxpointspec_act
272	if (decay(ks).gt.0.) then
273	do nage=1,nageclass
274	do l=1,nclassunc
275	! Mother output grid
276	do jy=0,numygrid-1
277	do ix=0,numxgrid-1
278	wetgridunc(ix,jy,ks,kp,l,nage)= &
279	wetgridunc(ix,jy,ks,kp,l,nage)* &
280	exp(-1.outstepdecay(ks))
281	drygridunc(ix,jy,ks,kp,l,nage)= &
282	drygridunc(ix,jy,ks,kp,l,nage)* &
283	exp(-1.outstepdecay(ks))
284	end do
285	end do
286	! Nested output grid
287	if (nested_output.eq.1) then
288	do jy=0,numygridn-1
289	do ix=0,numxgridn-1
290	wetgriduncn(ix,jy,ks,kp,l,nage)= &
291	wetgriduncn(ix,jy,ks,kp,l,nage)* &
292	exp(-1.outstepdecay(ks))
293	drygriduncn(ix,jy,ks,kp,l,nage)= &
294	drygriduncn(ix,jy,ks,kp,l,nage)* &
295	exp(-1.outstepdecay(ks))
296	end do
297	end do
298	endif
299	end do
300	end do
301	endif
302	end do
303	end do
304	endif
305
306	!!! CHANGE: These lines may be switched on to check the conservation
307	!!! of mass within FLEXPART
308	! if (itime.eq.loutnext) then
309	! do 247 ksp=1, nspec
310	! do 247 kp=1, maxpointspec_act
311	!47 xm(ksp,kp)=0.
312
313	! do 249 ksp=1, nspec
314	! do 249 j=1,numpart
315	! if (ioutputforeachrelease.eq.1) then
316	! kp=npoint(j)
317	! else
318	! kp=1
319	! endif
320	! if (itra1(j).eq.itime) then
321	! xm(ksp,kp)=xm(ksp,kp)+xmass1(j,ksp)
322	! write(,) 'xmass: ',xmass1(j,ksp),j,ksp,nspec
323	! endif
324	!49 continue
325	! do 248 ksp=1,nspec
326	! do 248 kp=1,maxpointspec_act
327	! xm_depw(ksp,kp)=0.
328	! xm_depd(ksp,kp)=0.
329	! do 248 nage=1,nageclass
330	! do 248 ix=0,numxgrid-1
331	! do 248 jy=0,numygrid-1
332	! do 248 l=1,nclassunc
333	! xm_depw(ksp,kp)=xm_depw(ksp,kp)
334	! + +wetgridunc(ix,jy,ksp,kp,l,nage)
335	!48 xm_depd(ksp,kp)=xm_depd(ksp,kp)
336	! + +drygridunc(ix,jy,ksp,kp,l,nage)
337	! do 246 ksp=1,nspec
338	!46 write(88,'(2i10,3e12.3)')
339	! + itime,ksp,(xm(ksp,kp),kp=1,maxpointspec_act),
340	! + (xm_depw(ksp,kp),kp=1,maxpointspec_act),
341	! + (xm_depd(ksp,kp),kp=1,maxpointspec_act)
342	! endif
343	!!! CHANGE
344
345
346
347	! Check whether concentrations are to be calculated
348	!**************************************************
349
350	if ((ldirectitime.ge.ldirectloutstart).and. &
351	(ldirectitime.le.ldirectloutend)) then ! add to grid
352	if (mod(itime-loutstart,loutsample).eq.0) then
353
354	! If we are exactly at the start or end of the concentration averaging interval,
355	! give only half the weight to this sample
356	!*****************************************************************************
357
358	if ((itime.eq.loutstart).or.(itime.eq.loutend)) then
359	weight=0.5
360	else
361	weight=1.0
362	endif
363	outnum=outnum+weight
364	call conccalc(itime,weight)
365	endif
366
367
368	if ((mquasilag.eq.1).and.(itime.eq.(loutstart+loutend)/2)) &
369	call partoutput_short(itime) ! dump particle positions in extremely compressed format
370
371
372	! Output and reinitialization of grid
373	! If necessary, first sample of new grid is also taken
374	!*****************************************************
375
376	if ((itime.eq.loutend).and.(outnum.gt.0.)) then
377	if ((iout.le.3.).or.(iout.eq.5)) then
378	if (surf_only.ne.1) then
379	if (lnetcdfout.eq.1) then
380	call concoutput_netcdf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
381	else
382	call concoutput(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
383	endif
384	else
385	if (verbosity.eq.1) then
386	print*,'call concoutput_surf '
387	call system_clock(count_clock)
388	write(,) 'system clock',count_clock - count_clock0
389	endif
390	if (lnetcdfout.eq.1) then
391	call concoutput_surf_netcdf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
392	else
393	call concoutput_surf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
394	if (verbosity.eq.1) then
395	print*,'called concoutput_surf '
396	call system_clock(count_clock)
397	write(,) 'system clock',count_clock - count_clock0
398	endif
399	endif
400	endif
401
402	if (nested_output .eq. 1) then
403	if (lnetcdfout.eq.0) then
404	if (surf_only.ne.1) then
405	call concoutput_nest(itime,outnum)
406	else
407	call concoutput_surf_nest(itime,outnum)
408	endif
409	else
410	if (surf_only.ne.1) then
411	call concoutput_nest_netcdf(itime,outnum)
412	else
413	call concoutput_surf_nest_netcdf(itime,outnum)
414	endif
415	endif
416	endif
417	outnum=0.
418	endif
419	if ((iout.eq.4).or.(iout.eq.5)) call plumetraj(itime)
420	if (iflux.eq.1) call fluxoutput(itime)
421	write(*,45) itime,numpart,gridtotalunc,wetgridtotalunc,drygridtotalunc
422
423	!CGZ-lifetime: output species lifetime
424	!ZHG
425	! write(,) 'Overview species lifetime in days', &
426	! real((species_lifetime(:,1)/species_lifetime(:,2))/real(3600.0*24.0))
427	! write(,) 'all info:',species_lifetime
428	!ZHG
429	!CGZ-lifetime: output species lifetime
430
431	!write(*,46) float(itime)/3600,itime,numpart
432	45 format(i9,' SECONDS SIMULATED: ',i8, ' PARTICLES: Uncertainty: ',3f7.3)
433	46 format(' Simulated ',f7.1,' hours (',i9,' s), ',i8, ' particles')
434	if (ipout.ge.1) call partoutput(itime) ! dump particle positions
435	loutnext=loutnext+loutstep
436	loutstart=loutnext-loutaver/2
437	loutend=loutnext+loutaver/2
438	if (itime.eq.loutstart) then
439	weight=0.5
440	outnum=outnum+weight
441	call conccalc(itime,weight)
442	endif
443
444
445	! Check, whether particles are to be split:
446	! If so, create new particles and attribute all information from the old
447	! particles also to the new ones; old and new particles both get half the
448	! mass of the old ones
449	!************************************************************************
450
451	if (ldirectitime.ge.ldirectitsplit) then
452	n=numpart
453	do j=1,numpart
454	if (ldirectitime.ge.ldirectitrasplit(j)) then
455	if (n.lt.maxpart) then
456	n=n+1
457	itrasplit(j)=2*(itrasplit(j)-itramem(j))+itramem(j)
458	itrasplit(n)=itrasplit(j)
459	itramem(n)=itramem(j)
460	itra1(n)=itra1(j)
461	idt(n)=idt(j)
462	npoint(n)=npoint(j)
463	nclass(n)=nclass(j)
464	xtra1(n)=xtra1(j)
465	ytra1(n)=ytra1(j)
466	ztra1(n)=ztra1(j)
467	uap(n)=uap(j)
468	ucp(n)=ucp(j)
469	uzp(n)=uzp(j)
470	us(n)=us(j)
471	vs(n)=vs(j)
472	ws(n)=ws(j)
473	cbt(n)=cbt(j)
474	do ks=1,nspec
475	xmass1(j,ks)=xmass1(j,ks)/2.
476	xmass1(n,ks)=xmass1(j,ks)
477	end do
478	endif
479	endif
480	end do
481	numpart=n
482	endif
483	endif
484	endif
485
486
487	if (itime.eq.ideltas) exit ! almost finished
488
489	! Compute interval since radioactive decay of deposited mass was computed
490	!************************************************************************
491
492	if (itime.lt.loutnext) then
493	ldeltat=itime-(loutnext-loutstep)
494	else ! first half of next interval
495	ldeltat=itime-loutnext
496	endif
497
498
499	! Loop over all particles
500	!************************
501	! Various variables for testing reason of CBL scheme, by mc
502	well_mixed_vector=0. !erase vector to test well mixed condition: modified by mc
503	well_mixed_norm=0. !erase normalization to test well mixed condition: modified by mc
504	avg_ol=0.
505	avg_wst=0.
506	avg_h=0.
507	avg_air_dens=0. !erase vector to obtain air density at particle positions: modified by mc
508	!-----------------------------------------------------------------------------
509	do j=1,numpart
510
511
512	! If integration step is due, do it
513	!**********************************
514
515	if (itra1(j).eq.itime) then
516
517	if (ioutputforeachrelease.eq.1) then
518	kp=npoint(j)
519	else
520	kp=1
521	endif
522	! Determine age class of the particle
523	itage=abs(itra1(j)-itramem(j))
524	do nage=1,nageclass
525	if (itage.lt.lage(nage)) exit
526	end do
527
528	! Initialize newly released particle
529	!***********************************
530
531	if ((itramem(j).eq.itime).or.(itime.eq.0)) &
532	call initialize(itime,idt(j),uap(j),ucp(j),uzp(j), &
533	us(j),vs(j),ws(j),xtra1(j),ytra1(j),ztra1(j),cbt(j))
534
535	! Memorize particle positions
536	!****************************
537
538	xold=xtra1(j)
539	yold=ytra1(j)
540	zold=ztra1(j)
541
542	! Integrate Lagevin equation for lsynctime seconds
543	!*************************************************
544
545	call advance(itime,npoint(j),idt(j),uap(j),ucp(j),uzp(j), &
546	us(j),vs(j),ws(j),nstop,xtra1(j),ytra1(j),ztra1(j),prob, &
547	cbt(j))
548
549	! Calculate the gross fluxes across layer interfaces
550	!***************************************************
551
552	if (iflux.eq.1) call calcfluxes(nage,j,xold,yold,zold)
553
554
555	! Determine, when next time step is due
556	! If trajectory is terminated, mark it
557	!**************************************
558
559	if (nstop.gt.1) then
560	if (linit_cond.ge.1) call initial_cond_calc(itime,j)
561	itra1(j)=-999999999
562	else
563	itra1(j)=itime+lsynctime
564
565
566	! Dry deposition and radioactive decay for each species
567	! Also check maximum (of all species) of initial mass remaining on the particle;
568	! if it is below a threshold value, terminate particle
569	!*****************************************************************************
570
571	xmassfract=0.
572	do ks=1,nspec
573	if (decay(ks).gt.0.) then ! radioactive decay
574	decfact=exp(-real(abs(lsynctime))*decay(ks))
575	else
576	decfact=1.
577	endif
578
579	if (DRYDEPSPEC(ks)) then ! dry deposition
580	drydeposit(ks)=xmass1(j,ks)prob(ks)decfact
581	xmass1(j,ks)=xmass1(j,ks)(1.-prob(ks))decfact
582	if (decay(ks).gt.0.) then ! correct for decay (see wetdepo)
583	drydeposit(ks)=drydeposit(ks)* &
584	exp(real(abs(ldeltat))*decay(ks))
585	endif
586	else ! no dry deposition
587	xmass1(j,ks)=xmass1(j,ks)*decfact
588	endif
589
590
591	if (mdomainfill.eq.0) then
592	if (xmass(npoint(j),ks).gt.0.) &
593	xmassfract=max(xmassfract,real(npart(npoint(j)))* &
594	xmass1(j,ks)/xmass(npoint(j),ks))
595	!ZHG 2015
596	!CGZ-lifetime: Check mass fraction left/save lifetime
597	! if(real(npart(npoint(j)))*xmass1(j,ks)/xmass(npoint(j),ks).lt.inv_e.and.checklifetime(j,ks).eq.0.)then
598	!Mass below 1% of initial >register lifetime
599	! checklifetime(j,ks)=abs(itra1(j)-itramem(j))
600	! species_lifetime(ks,1)=species_lifetime(ks,1)+abs(itra1(j)-itramem(j))
601	! species_lifetime(ks,2)= species_lifetime(ks,2)+1
602	! endif
603	!CGZ-lifetime: Check mass fraction left/save lifetime
604	!ZHG 2015
605	else
606	xmassfract=1.
607	endif
608	end do
609
610	if (xmassfract.lt.minmass) then ! terminate all particles carrying less mass
611	itra1(j)=-999999999
612	if (verbosity.gt.0) then
613	print*,'terminated particle ',j,' for small mass'
614	endif
615	endif
616
617	! Sabine Eckhardt, June 2008
618	! don't create depofield for backward runs
619	if (DRYDEP.AND.(ldirect.eq.1)) then
620	call drydepokernel(nclass(j),drydeposit,real(xtra1(j)), &
621	real(ytra1(j)),nage,kp)
622	if (nested_output.eq.1) call drydepokernel_nest( &
623	nclass(j),drydeposit,real(xtra1(j)),real(ytra1(j)), &
624	nage,kp)
625	endif
626
627	! Terminate trajectories that are older than maximum allowed age
628	!***************************************************************
629
630	if (abs(itra1(j)-itramem(j)).ge.lage(nageclass)) then
631	if (linit_cond.ge.1) call initial_cond_calc(itime+lsynctime,j)
632	itra1(j)=-999999999
633	if (verbosity.gt.0) then
634	print*,'terminated particle ',j,' for age'
635	endif
636	endif
637	endif
638
639	endif
640
641	end do !loop over particles
642
643	! Counter of "unstable" particle velocity during a time scale of
644	! maximumtl=20 minutes (defined in com_mod)
645	!***************************************************************
646
647	total_nan_intl=0
648	i_nan=i_nan+1 ! added by mc to count nan during a time of maxtl (i.e. maximum tl fixed here to 20 minutes, see com_mod)
649	sum_nan_count(i_nan)=nan_count
650	if (i_nan > maxtl/lsynctime) i_nan=1 !lsynctime must be <= maxtl
651	do ii_nan=1, (maxtl/lsynctime)
652	total_nan_intl=total_nan_intl+sum_nan_count(ii_nan)
653	end do
654	! Output to keep track of the numerical instabilities in CBL simulation and if
655	! they are compromising the final result (or not)
656	if (cblflag.eq.1) print *,j,itime,'nan_synctime',nan_count,'nan_tl',total_nan_intl
657
658	end do
659
660
661	! Complete the calculation of initial conditions for particles not yet terminated
662	!*****************************************************************************
663
664	do j=1,numpart
665	if (linit_cond.ge.1) call initial_cond_calc(itime,j)
666	end do
667
668	if (ipout.eq.2) call partoutput(itime) ! dump particle positions
669
670	if (linit_cond.ge.1) call initial_cond_output(itime) ! dump initial cond. field
671
672	!close(104)
673
674	! De-allocate memory and end
675	!***************************
676
677	if (iflux.eq.1) then
678	deallocate(flux)
679	endif
680	if (OHREA) then
681	deallocate(OH_field,OH_hourly,lonOH,latOH,altOH)
682	endif
683	if (ldirect.gt.0) then
684	deallocate(drygridunc,wetgridunc)
685	endif
686	deallocate(gridunc)
687	deallocate(xpoint1,xpoint2,ypoint1,ypoint2,zpoint1,zpoint2,xmass)
688	deallocate(ireleasestart,ireleaseend,npart,kindz)
689	deallocate(xmasssave)
690	if (nested_output.eq.1) then
691	deallocate(orooutn, arean, volumen)
692	if (ldirect.gt.0) then
693	deallocate(griduncn,drygriduncn,wetgriduncn)
694	endif
695	endif
696	deallocate(outheight,outheighthalf)
697	deallocate(oroout, area, volume)
698
699	end subroutine timemanager
700

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