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timemanager.f90 @ 02095e3

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

Last change on this file since 02095e3 was fe32dca, checked in by Espen Sollum ATMOS <eso@…>, 7 years ago
Renamed lnokernel, corrected default setting.
Property mode set to `100644`
File size: 29.4 KB

Line
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	! 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	! Unified ECMWF and GFS builds *
53	! Marian Harustak, 12.5.2017 *
54	! - Added passing of metdata_format as it was needed by called routines *
55	!*****************************************************************************
56	! *
57	! Variables: *
58	! DEP .true. if either wet or dry deposition is switched on *
59	! decay(maxspec) [1/s] decay constant for radioactive decay *
60	! DRYDEP .true. if dry deposition is switched on *
61	! ideltas [s] modelling period *
62	! itime [s] actual temporal position of calculation *
63	! ldeltat [s] time since computation of radioact. decay of depositions*
64	! loutaver [s] averaging period for concentration calculations *
65	! loutend [s] end of averaging for concentration calculations *
66	! loutnext [s] next time at which output fields shall be centered *
67	! loutsample [s] sampling interval for averaging of concentrations *
68	! loutstart [s] start of averaging for concentration calculations *
69	! loutstep [s] time interval for which concentrations shall be *
70	! calculated *
71	! npoint(maxpart) index, which starting point the trajectory has *
72	! starting positions of trajectories *
73	! nstop serves as indicator for fate of particles *
74	! in the particle loop *
75	! nstop1 serves as indicator for wind fields (see getfields) *
76	! outnum number of samples for each concentration calculation *
77	! outnum number of samples for each concentration calculation *
78	! prob probability of absorption at ground due to dry *
79	! deposition *
80	! WETDEP .true. if wet deposition is switched on *
81	! weight weight for each concentration sample (1/2 or 1) *
82	! uap(maxpart),ucp(maxpart),uzp(maxpart) = random velocities due to *
83	! turbulence *
84	! us(maxpart),vs(maxpart),ws(maxpart) = random velocities due to inter- *
85	! polation *
86	! xtra1(maxpart), ytra1(maxpart), ztra1(maxpart) = *
87	! spatial positions of trajectories *
88	! metdata_format format of metdata (ecmwf/gfs) *
89	! *
90	! Constants: *
91	! maxpart maximum number of trajectories *
92	! *
93	!*****************************************************************************
94
95	use unc_mod
96	use point_mod
97	use xmass_mod
98	use flux_mod
99	use outg_mod
100	use oh_mod
101	use par_mod
102	use com_mod
103	use netcdf_output_mod, only: concoutput_netcdf,concoutput_nest_netcdf,&
104	&concoutput_surf_netcdf,concoutput_surf_nest_netcdf
105
106	implicit none
107
108	integer :: metdata_format
109	integer :: j,ks,kp,l,n,itime=0,nstop,nstop1
110	! integer :: ksp
111	integer :: loutnext,loutstart,loutend
112	integer :: ix,jy,ldeltat,itage,nage,idummy
113	integer :: i_nan=0,ii_nan,total_nan_intl=0 !added by mc to check instability in CBL scheme
114	real :: outnum,weight,prob_rec(maxspec),prob(maxspec),decfact,wetscav
115	! real :: uap(maxpart),ucp(maxpart),uzp(maxpart)
116	! real :: us(maxpart),vs(maxpart),ws(maxpart)
117	! integer(kind=2) :: cbt(maxpart)
118	real(sp) :: gridtotalunc
119	real(dep_prec) :: drydeposit(maxspec),wetgridtotalunc,drygridtotalunc
120	real :: xold,yold,zold,xmassfract
121	real :: grfraction(3)
122	real, parameter :: e_inv = 1.0/exp(1.0)
123
124	!double precision xm(maxspec,maxpointspec_act),
125	! + xm_depw(maxspec,maxpointspec_act),
126	! + xm_depd(maxspec,maxpointspec_act)
127
128
129	!open(88,file='TEST.dat')
130
131	! First output for time 0
132	!************************
133
134	loutnext=loutstep/2
135	outnum=0.
136	loutstart=loutnext-loutaver/2
137	loutend=loutnext+loutaver/2
138
139	! open(127,file=path(2)(1:length(2))//'depostat.dat'
140	! + ,form='unformatted')
141	!write (,) 'writing deposition statistics depostat.dat!'
142
143	!**********************************************************************
144	! Loop over the whole modelling period in time steps of mintime seconds
145	!**********************************************************************
146
147	!ZHG 2015
148	!CGZ-lifetime: set lifetime to 0
149	! checklifetime(:,:)=0
150	! species_lifetime(:,:)=0
151	! print*, 'Initialized lifetime'
152	!CGZ-lifetime: set lifetime to 0
153
154	if (.not.lusekerneloutput) write(,) 'Not using the kernel'
155	if (turboff) write(,) 'Turbulence switched off'
156
157	write(*,46) float(itime)/3600,itime,numpart
158
159	if (verbosity.gt.0) then
160	write (,) 'timemanager> starting simulation'
161	if (verbosity.gt.1) then
162	CALL SYSTEM_CLOCK(count_clock)
163	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
164	endif
165	endif
166
167	do itime=0,ideltas,lsynctime
168
169	! Computation of wet deposition, OH reaction and mass transfer
170	! between two species every lsynctime seconds
171	! maybe wet depo frequency can be relaxed later but better be on safe side
172	! wetdepo must be called BEFORE new fields are read in but should not
173	! be called in the very beginning before any fields are loaded, or
174	! before particles are in the system
175	! Code may not be correct for decay of deposition
176	! changed by Petra Seibert 9/02
177	!********************************************************************
178
179	if (WETDEP .and. itime .ne. 0 .and. numpart .gt. 0) then
180	if (verbosity.gt.0) then
181	write (,) 'timemanager> call wetdepo'
182	endif
183	call wetdepo(itime,lsynctime,loutnext)
184	endif
185
186	if (OHREA .and. itime .ne. 0 .and. numpart .gt. 0) &
187	call ohreaction(itime,lsynctime,loutnext)
188
189	if (ASSSPEC .and. itime .ne. 0 .and. numpart .gt. 0) then
190	stop 'associated species not yet implemented!'
191	! call transferspec(itime,lsynctime,loutnext)
192	endif
193
194	! compute convection for backward runs
195	!*************************************
196
197	if ((ldirect.eq.-1).and.(lconvection.eq.1).and.(itime.lt.0)) then
198	if (verbosity.gt.0) then
199	write (,) 'timemanager> call convmix -- backward'
200	endif
201	call convmix(itime,metdata_format)
202	if (verbosity.gt.1) then
203	!CALL SYSTEM_CLOCK(count_clock, count_rate, count_max)
204	CALL SYSTEM_CLOCK(count_clock)
205	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
206	endif
207	endif
208
209	! Get necessary wind fields if not available
210	!*******************************************
211	if (verbosity.gt.0) then
212	write (,) 'timemanager> call getfields'
213	endif
214	call getfields(itime,nstop1,metdata_format)
215	if (verbosity.gt.1) then
216	CALL SYSTEM_CLOCK(count_clock)
217	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
218	endif
219	if (nstop1.gt.1) stop 'NO METEO FIELDS AVAILABLE'
220
221	! Get hourly OH fields if not available
222	!****************************************************
223	if (OHREA) then
224	if (verbosity.gt.0) then
225	write (,) 'timemanager> call gethourlyOH'
226	endif
227	call gethourlyOH(itime)
228	if (verbosity.gt.1) then
229	CALL SYSTEM_CLOCK(count_clock)
230	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
231	endif
232	endif
233
234	! Release particles
235	!******************
236
237	if (verbosity.gt.0) then
238	write (,) 'timemanager> Release particles'
239	endif
240
241	if (mdomainfill.ge.1) then
242	if (itime.eq.0) then
243	if (verbosity.gt.0) then
244	write (,) 'timemanager> call init_domainfill'
245	endif
246	call init_domainfill
247	else
248	if (verbosity.gt.0) then
249	write (,) 'timemanager> call boundcond_domainfill'
250	endif
251	call boundcond_domainfill(itime,loutend)
252	endif
253	else
254	if (verbosity.gt.0) then
255	print*,'call releaseparticles'
256	endif
257	call releaseparticles(itime)
258	if (verbosity.gt.1) then
259	CALL SYSTEM_CLOCK(count_clock)
260	WRITE(,) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
261	endif
262	endif
263
264
265	! Compute convective mixing for forward runs
266	! for backward runs it is done before next windfield is read in
267	!**************************************************************
268
269	if ((ldirect.eq.1).and.(lconvection.eq.1)) then
270	if (verbosity.gt.0) then
271	write (,) 'timemanager> call convmix -- forward'
272	endif
273	call convmix(itime,metdata_format)
274	endif
275
276	! If middle of averaging period of output fields is reached, accumulated
277	! deposited mass radioactively decays
278	!***********************************************************************
279
280	if (DEP.and.(itime.eq.loutnext).and.(ldirect.gt.0)) then
281	do ks=1,nspec
282	do kp=1,maxpointspec_act
283	if (decay(ks).gt.0.) then
284	do nage=1,nageclass
285	do l=1,nclassunc
286	! Mother output grid
287	do jy=0,numygrid-1
288	do ix=0,numxgrid-1
289	wetgridunc(ix,jy,ks,kp,l,nage)= &
290	wetgridunc(ix,jy,ks,kp,l,nage)* &
291	exp(-1.outstepdecay(ks))
292	drygridunc(ix,jy,ks,kp,l,nage)= &
293	drygridunc(ix,jy,ks,kp,l,nage)* &
294	exp(-1.outstepdecay(ks))
295	end do
296	end do
297	! Nested output grid
298	if (nested_output.eq.1) then
299	do jy=0,numygridn-1
300	do ix=0,numxgridn-1
301	wetgriduncn(ix,jy,ks,kp,l,nage)= &
302	wetgriduncn(ix,jy,ks,kp,l,nage)* &
303	exp(-1.outstepdecay(ks))
304	drygriduncn(ix,jy,ks,kp,l,nage)= &
305	drygriduncn(ix,jy,ks,kp,l,nage)* &
306	exp(-1.outstepdecay(ks))
307	end do
308	end do
309	endif
310	end do
311	end do
312	endif
313	end do
314	end do
315	endif
316
317	!!! CHANGE: These lines may be switched on to check the conservation
318	!!! of mass within FLEXPART
319	! if (itime.eq.loutnext) then
320	! do 247 ksp=1, nspec
321	! do 247 kp=1, maxpointspec_act
322	!47 xm(ksp,kp)=0.
323
324	! do 249 ksp=1, nspec
325	! do 249 j=1,numpart
326	! if (ioutputforeachrelease.eq.1) then
327	! kp=npoint(j)
328	! else
329	! kp=1
330	! endif
331	! if (itra1(j).eq.itime) then
332	! xm(ksp,kp)=xm(ksp,kp)+xmass1(j,ksp)
333	! write(,) 'xmass: ',xmass1(j,ksp),j,ksp,nspec
334	! endif
335	!49 continue
336	! do 248 ksp=1,nspec
337	! do 248 kp=1,maxpointspec_act
338	! xm_depw(ksp,kp)=0.
339	! xm_depd(ksp,kp)=0.
340	! do 248 nage=1,nageclass
341	! do 248 ix=0,numxgrid-1
342	! do 248 jy=0,numygrid-1
343	! do 248 l=1,nclassunc
344	! xm_depw(ksp,kp)=xm_depw(ksp,kp)
345	! + +wetgridunc(ix,jy,ksp,kp,l,nage)
346	!48 xm_depd(ksp,kp)=xm_depd(ksp,kp)
347	! + +drygridunc(ix,jy,ksp,kp,l,nage)
348	! do 246 ksp=1,nspec
349	!46 write(88,'(2i10,3e12.3)')
350	! + itime,ksp,(xm(ksp,kp),kp=1,maxpointspec_act),
351	! + (xm_depw(ksp,kp),kp=1,maxpointspec_act),
352	! + (xm_depd(ksp,kp),kp=1,maxpointspec_act)
353	! endif
354	!!! CHANGE
355
356
357
358	! Check whether concentrations are to be calculated
359	!**************************************************
360
361	if ((ldirectitime.ge.ldirectloutstart).and. &
362	(ldirectitime.le.ldirectloutend)) then ! add to grid
363	if (mod(itime-loutstart,loutsample).eq.0) then
364
365	! If we are exactly at the start or end of the concentration averaging interval,
366	! give only half the weight to this sample
367	!*****************************************************************************
368
369	if ((itime.eq.loutstart).or.(itime.eq.loutend)) then
370	weight=0.5
371	else
372	weight=1.0
373	endif
374	outnum=outnum+weight
375	call conccalc(itime,weight)
376	endif
377
378
379	if ((mquasilag.eq.1).and.(itime.eq.(loutstart+loutend)/2)) &
380	call partoutput_short(itime) ! dump particle positions in extremely compressed format
381
382
383	! Output and reinitialization of grid
384	! If necessary, first sample of new grid is also taken
385	!*****************************************************
386
387	if ((itime.eq.loutend).and.(outnum.gt.0.)) then
388	if ((iout.le.3.).or.(iout.eq.5)) then
389	if (surf_only.ne.1) then
390	if (lnetcdfout.eq.1) then
391	call concoutput_netcdf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
392	else
393	call concoutput(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
394	endif
395	else
396	if (verbosity.eq.1) then
397	print*,'call concoutput_surf '
398	call system_clock(count_clock)
399	write(,) 'system clock',count_clock - count_clock0
400	endif
401	if (lnetcdfout.eq.1) then
402	call concoutput_surf_netcdf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
403	else
404	call concoutput_surf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
405	if (verbosity.eq.1) then
406	print*,'called concoutput_surf '
407	call system_clock(count_clock)
408	write(,) 'system clock',count_clock - count_clock0
409	endif
410	endif
411	endif
412
413	if (nested_output .eq. 1) then
414	if (lnetcdfout.eq.0) then
415	if (surf_only.ne.1) then
416	call concoutput_nest(itime,outnum)
417	else
418	call concoutput_surf_nest(itime,outnum)
419	endif
420	else
421	if (surf_only.ne.1) then
422	call concoutput_nest_netcdf(itime,outnum)
423	else
424	call concoutput_surf_nest_netcdf(itime,outnum)
425	endif
426	endif
427	endif
428	outnum=0.
429	endif
430	if ((iout.eq.4).or.(iout.eq.5)) call plumetraj(itime)
431	if (iflux.eq.1) call fluxoutput(itime)
432	write(*,45) itime,numpart,gridtotalunc,wetgridtotalunc,drygridtotalunc
433
434	!CGZ-lifetime: output species lifetime
435	!ZHG
436	! write(,) 'Overview species lifetime in days', &
437	! real((species_lifetime(:,1)/species_lifetime(:,2))/real(3600.0*24.0))
438	! write(,) 'all info:',species_lifetime
439	!ZHG
440	!CGZ-lifetime: output species lifetime
441
442	!write(*,46) float(itime)/3600,itime,numpart
443	45 format(i13,' SECONDS SIMULATED: ',i13, ' PARTICLES: Uncertainty: ',3f7.3)
444	46 format(' Simulated ',f7.1,' hours (',i13,' s), ',i13, ' particles')
445	if (ipout.ge.1) call partoutput(itime) ! dump particle positions
446	loutnext=loutnext+loutstep
447	loutstart=loutnext-loutaver/2
448	loutend=loutnext+loutaver/2
449	if (itime.eq.loutstart) then
450	weight=0.5
451	outnum=outnum+weight
452	call conccalc(itime,weight)
453	endif
454
455
456	! Check, whether particles are to be split:
457	! If so, create new particles and attribute all information from the old
458	! particles also to the new ones; old and new particles both get half the
459	! mass of the old ones
460	!************************************************************************
461
462	if (ldirectitime.ge.ldirectitsplit) then
463	n=numpart
464	do j=1,numpart
465	if (ldirectitime.ge.ldirectitrasplit(j)) then
466	if (n.lt.maxpart) then
467	n=n+1
468	itrasplit(j)=2*(itrasplit(j)-itramem(j))+itramem(j)
469	itrasplit(n)=itrasplit(j)
470	itramem(n)=itramem(j)
471	itra1(n)=itra1(j)
472	idt(n)=idt(j)
473	npoint(n)=npoint(j)
474	nclass(n)=nclass(j)
475	xtra1(n)=xtra1(j)
476	ytra1(n)=ytra1(j)
477	ztra1(n)=ztra1(j)
478	uap(n)=uap(j)
479	ucp(n)=ucp(j)
480	uzp(n)=uzp(j)
481	us(n)=us(j)
482	vs(n)=vs(j)
483	ws(n)=ws(j)
484	cbt(n)=cbt(j)
485	do ks=1,nspec
486	xmass1(j,ks)=xmass1(j,ks)/2.
487	xmass1(n,ks)=xmass1(j,ks)
488	end do
489	endif
490	endif
491	end do
492	numpart=n
493	endif
494	endif
495	endif
496
497
498	if (itime.eq.ideltas) exit ! almost finished
499
500	! Compute interval since radioactive decay of deposited mass was computed
501	!************************************************************************
502
503	if (itime.lt.loutnext) then
504	ldeltat=itime-(loutnext-loutstep)
505	else ! first half of next interval
506	ldeltat=itime-loutnext
507	endif
508
509
510	! Loop over all particles
511	!************************
512	! Various variables for testing reason of CBL scheme, by mc
513	well_mixed_vector=0. !erase vector to test well mixed condition: modified by mc
514	well_mixed_norm=0. !erase normalization to test well mixed condition: modified by mc
515	avg_ol=0.
516	avg_wst=0.
517	avg_h=0.
518	avg_air_dens=0. !erase vector to obtain air density at particle positions: modified by mc
519	!-----------------------------------------------------------------------------
520	do j=1,numpart
521
522
523	! If integration step is due, do it
524	!**********************************
525
526	if (itra1(j).eq.itime) then
527
528	if (ioutputforeachrelease.eq.1) then
529	kp=npoint(j)
530	else
531	kp=1
532	endif
533	! Determine age class of the particle
534	itage=abs(itra1(j)-itramem(j))
535	do nage=1,nageclass
536	if (itage.lt.lage(nage)) exit
537	end do
538
539	! Initialize newly released particle
540	!***********************************
541
542	if ((itramem(j).eq.itime).or.(itime.eq.0)) &
543	call initialize(itime,idt(j),uap(j),ucp(j),uzp(j), &
544	us(j),vs(j),ws(j),xtra1(j),ytra1(j),ztra1(j),cbt(j))
545
546	! Memorize particle positions
547	!****************************
548
549	xold=xtra1(j)
550	yold=ytra1(j)
551	zold=ztra1(j)
552
553
554	! RECEPTOR: dry/wet depovel
555	!****************************
556	! Before the particle is moved
557	! the calculation of the scavenged mass shall only be done once after release
558	! xscav_frac1 was initialised with a negative value
559
560	if (DRYBKDEP) then
561	do ks=1,nspec
562	if ((xscav_frac1(j,ks).lt.0)) then
563	call get_vdep_prob(itime,xtra1(j),ytra1(j),ztra1(j),prob_rec)
564	if (DRYDEPSPEC(ks)) then ! dry deposition
565	xscav_frac1(j,ks)=prob_rec(ks)
566	else
567	xmass1(j,ks)=0.
568	xscav_frac1(j,ks)=0.
569	endif
570	endif
571	enddo
572	endif
573
574	if (WETBKDEP) then
575	do ks=1,nspec
576	if ((xscav_frac1(j,ks).lt.0)) then
577	call get_wetscav(itime,lsynctime,loutnext,j,ks,grfraction,idummy,idummy,wetscav)
578	if (wetscav.gt.0) then
579	xscav_frac1(j,ks)=wetscav* &
580	(zpoint2(npoint(j))-zpoint1(npoint(j)))*grfraction(1)
581	else
582	xmass1(j,ks)=0.
583	xscav_frac1(j,ks)=0.
584	endif
585	endif
586	enddo
587	endif
588
589	! Integrate Lagevin equation for lsynctime seconds
590	!*************************************************
591
592	if (verbosity.gt.0) then
593	if (j.eq.1) then
594	write (,) 'timemanager> call advance'
595	endif
596	endif
597
598	call advance(itime,npoint(j),idt(j),uap(j),ucp(j),uzp(j), &
599	us(j),vs(j),ws(j),nstop,xtra1(j),ytra1(j),ztra1(j),prob, &
600	cbt(j))
601	! write (,) 'advance: ',prob(1),xmass1(j,1),ztra1(j)
602
603	! Calculate the gross fluxes across layer interfaces
604	!***************************************************
605
606	if (iflux.eq.1) call calcfluxes(nage,j,xold,yold,zold)
607
608
609	! Determine, when next time step is due
610	! If trajectory is terminated, mark it
611	!**************************************
612
613	if (nstop.gt.1) then
614	if (linit_cond.ge.1) call initial_cond_calc(itime,j)
615	itra1(j)=-999999999
616	else
617	itra1(j)=itime+lsynctime
618
619
620	! Dry deposition and radioactive decay for each species
621	! Also check maximum (of all species) of initial mass remaining on the particle;
622	! if it is below a threshold value, terminate particle
623	!*****************************************************************************
624
625	xmassfract=0.
626	do ks=1,nspec
627	if (decay(ks).gt.0.) then ! radioactive decay
628	decfact=exp(-real(abs(lsynctime))*decay(ks))
629	else
630	decfact=1.
631	endif
632
633	if (DRYDEPSPEC(ks)) then ! dry deposition
634	drydeposit(ks)=xmass1(j,ks)prob(ks)decfact
635	xmass1(j,ks)=xmass1(j,ks)(1.-prob(ks))decfact
636	if (decay(ks).gt.0.) then ! correct for decay (see wetdepo)
637	drydeposit(ks)=drydeposit(ks)* &
638	exp(real(abs(ldeltat))*decay(ks))
639	endif
640	else ! no dry deposition
641	xmass1(j,ks)=xmass1(j,ks)*decfact
642	endif
643
644	! Skip check on mass fraction when npoint represents particle number
645	if (mdomainfill.eq.0.and.mquasilag.eq.0) then
646	if (xmass(npoint(j),ks).gt.0.) &
647	xmassfract=max(xmassfract,real(npart(npoint(j)))* &
648	xmass1(j,ks)/xmass(npoint(j),ks))
649	!ZHG 2015
650	!CGZ-lifetime: Check mass fraction left/save lifetime
651	! if(real(npart(npoint(j)))*xmass1(j,ks)/xmass(npoint(j),ks).lt.e_inv.and.checklifetime(j,ks).eq.0.)then
652	!Mass below 1% of initial >register lifetime
653	! checklifetime(j,ks)=abs(itra1(j)-itramem(j))
654	! species_lifetime(ks,1)=species_lifetime(ks,1)+abs(itra1(j)-itramem(j))
655	! species_lifetime(ks,2)= species_lifetime(ks,2)+1
656	! endif
657	!CGZ-lifetime: Check mass fraction left/save lifetime
658	!ZHG 2015
659	else
660	xmassfract=1.0
661	end if
662	end do
663
664	if (xmassfract.lt.minmass) then ! terminate all particles carrying less mass
665	itra1(j)=-999999999
666	if (verbosity.gt.0) then
667	print*,'terminated particle ',j,' for small mass'
668	endif
669	endif
670
671	! Sabine Eckhardt, June 2008
672	! don't create depofield for backward runs
673	if (DRYDEP.AND.(ldirect.eq.1)) then
674	call drydepokernel(nclass(j),drydeposit,real(xtra1(j)), &
675	real(ytra1(j)),nage,kp)
676	if (nested_output.eq.1) call drydepokernel_nest( &
677	nclass(j),drydeposit,real(xtra1(j)),real(ytra1(j)), &
678	nage,kp)
679	endif
680
681	! Terminate trajectories that are older than maximum allowed age
682	!***************************************************************
683
684	if (abs(itra1(j)-itramem(j)).ge.lage(nageclass)) then
685	if (linit_cond.ge.1) call initial_cond_calc(itime+lsynctime,j)
686	itra1(j)=-999999999
687	if (verbosity.gt.0) then
688	print*,'terminated particle ',j,' for age'
689	endif
690	endif
691	endif
692
693	endif
694
695	end do !loop over particles
696
697	! Counter of "unstable" particle velocity during a time scale of
698	! maximumtl=20 minutes (defined in com_mod)
699	!***************************************************************
700
701	total_nan_intl=0
702	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)
703	sum_nan_count(i_nan)=nan_count
704	if (i_nan > maxtl/lsynctime) i_nan=1 !lsynctime must be <= maxtl
705	do ii_nan=1, (maxtl/lsynctime)
706	total_nan_intl=total_nan_intl+sum_nan_count(ii_nan)
707	end do
708	! Output to keep track of the numerical instabilities in CBL simulation and if
709	! they are compromising the final result (or not)
710	if (cblflag.eq.1) print *,j,itime,'nan_synctime',nan_count,'nan_tl',total_nan_intl
711
712	end do
713
714
715	! Complete the calculation of initial conditions for particles not yet terminated
716	!*****************************************************************************
717
718	do j=1,numpart
719	if (linit_cond.ge.1) call initial_cond_calc(itime,j)
720	end do
721
722	if (ipout.eq.2) call partoutput(itime) ! dump particle positions
723
724	if (linit_cond.ge.1) call initial_cond_output(itime) ! dump initial cond. field
725
726	!close(104)
727
728	! De-allocate memory and end
729	!***************************
730
731	if (iflux.eq.1) then
732	deallocate(flux)
733	endif
734	if (OHREA) then
735	deallocate(OH_field,OH_hourly,lonOH,latOH,altOH)
736	endif
737	if (ldirect.gt.0) then
738	deallocate(drygridunc,wetgridunc)
739	endif
740	deallocate(gridunc)
741	deallocate(xpoint1,xpoint2,ypoint1,ypoint2,zpoint1,zpoint2,xmass)
742	deallocate(ireleasestart,ireleaseend,npart,kindz)
743	deallocate(xmasssave)
744	if (nested_output.eq.1) then
745	deallocate(orooutn, arean, volumen)
746	if (ldirect.gt.0) then
747	deallocate(griduncn,drygriduncn,wetgriduncn)
748	endif
749	endif
750	deallocate(outheight,outheighthalf)
751	deallocate(oroout, area, volume)
752
753	end subroutine timemanager
754

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