source: flexpart.git/src/timemanager.f90 @ a803521

GFS_025dev
Last change on this file since a803521 was a803521, checked in by Espen Sollum ATMOS <eso@…>, 4 years ago

Merge branch 'dev' into espen

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File size: 29.3 KB
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1! SPDX-FileCopyrightText: FLEXPART 1998-2019, see flexpart_license.txt
2! SPDX-License-Identifier: GPL-3.0-or-later
3
4subroutine timemanager(metdata_format)
5
6  !*****************************************************************************
7  !                                                                            *
8  ! Handles the computation of trajectories, i.e. determines which             *
9  ! trajectories have to be computed at what time.                             *
10  ! Manages dry+wet deposition routines, radioactive decay and the computation *
11  ! of concentrations.                                                         *
12  !                                                                            *
13  !     Author: A. Stohl                                                       *
14  !                                                                            *
15  !     20 May 1996                                                            *
16  !                                                                            *
17  !*****************************************************************************
18  !  Changes, Bernd C. Krueger, Feb. 2001:                                     *
19  !        Call of convmix when new windfield is read                          *
20  !------------------------------------                                        *
21  !  Changes Petra Seibert, Sept 2002                                          *
22  !     fix wet scavenging problem                                             *
23  !     Code may not be correct for decay of deposition!                       *
24  !  Changes Petra Seibert, Nov 2002                                           *
25  !     call convection BEFORE new fields are read in BWD mode                 *
26  !  Changes Caroline Forster, Feb 2005                                        *
27  !   new interface between flexpart and convection scheme                     *
28  !   Emanuel's latest subroutine convect43c.f is used                         *
29  !  Changes Stefan Henne, Harald Sodemann, 2013-2014                          *
30  !   added netcdf output code                                                 *
31  !  Changes Espen Sollum 2014                                                 *
32  !   For compatibility with MPI version,                                      *
33  !   variables uap,ucp,uzp,us,vs,ws,cbt now in module com_mod                 *
34  !  Unified ECMWF and GFS builds                                              *
35  !   Marian Harustak, 12.5.2017                                               *
36  !   - Added passing of metdata_format as it was needed by called routines    *
37  !*****************************************************************************
38  !                                                                            *
39  ! Variables:                                                                 *
40  ! DEP                .true. if either wet or dry deposition is switched on   *
41  ! decay(maxspec) [1/s] decay constant for radioactive decay                  *
42  ! DRYDEP             .true. if dry deposition is switched on                 *
43  ! ideltas [s]        modelling period                                        *
44  ! itime [s]          actual temporal position of calculation                 *
45  ! ldeltat [s]        time since computation of radioact. decay of depositions*
46  ! loutaver [s]       averaging period for concentration calculations         *
47  ! loutend [s]        end of averaging for concentration calculations         *
48  ! loutnext [s]       next time at which output fields shall be centered      *
49  ! loutsample [s]     sampling interval for averaging of concentrations       *
50  ! loutstart [s]      start of averaging for concentration calculations       *
51  ! loutstep [s]       time interval for which concentrations shall be         *
52  !                    calculated                                              *
53  ! npoint(maxpart)    index, which starting point the trajectory has          *
54  !                    starting positions of trajectories                      *
55  ! nstop              serves as indicator for fate of particles               *
56  !                    in the particle loop                                    *
57  ! nstop1             serves as indicator for wind fields (see getfields)     *
58  ! outnum             number of samples for each concentration calculation    *
59  ! outnum             number of samples for each concentration calculation    *
60  ! prob               probability of absorption at ground due to dry          *
61  !                    deposition                                              *
62  ! WETDEP             .true. if wet deposition is switched on                 *
63  ! weight             weight for each concentration sample (1/2 or 1)         *
64  ! uap(maxpart),ucp(maxpart),uzp(maxpart) = random velocities due to          *
65  !                    turbulence                                              *
66  ! us(maxpart),vs(maxpart),ws(maxpart) = random velocities due to inter-      *
67  !                    polation                                                *
68  ! xtra1(maxpart), ytra1(maxpart), ztra1(maxpart) =                           *
69  !                    spatial positions of trajectories                       *
70  ! metdata_format     format of metdata (ecmwf/gfs)                           *
71  !                                                                            *
72  ! Constants:                                                                 *
73  ! maxpart            maximum number of trajectories                          *
74  !                                                                            *
75  !*****************************************************************************
76
77  use unc_mod
78  use point_mod
79  use xmass_mod
80  use flux_mod
81  use outg_mod
82  use oh_mod
83  use par_mod
84  use com_mod
85#ifdef USE_NCF
86  use netcdf_output_mod, only: concoutput_netcdf,concoutput_nest_netcdf,&
87       &concoutput_surf_netcdf,concoutput_surf_nest_netcdf
88#endif
89
90  implicit none
91
92  integer(selected_int_kind(16)) :: idummy,idummy2
93  integer :: metdata_format
94  integer :: j,ks,kp,l,n,itime=0,nstop,nstop1
95! integer :: ksp
96  integer :: loutnext,loutstart,loutend
97  integer :: ix,jy,ldeltat,itage,nage
98  integer :: i_nan=0,ii_nan,total_nan_intl=0  !added by mc to check instability in CBL scheme
99  real :: outnum,weight,prob_rec(maxspec),prob(maxspec),decfact,wetscav
100  ! real :: uap(maxpart),ucp(maxpart),uzp(maxpart)
101  ! real :: us(maxpart),vs(maxpart),ws(maxpart)
102  ! integer(kind=2) :: cbt(maxpart)
103  real(sp) :: gridtotalunc
104  real(dep_prec) :: drydeposit(maxspec),wetgridtotalunc,drygridtotalunc
105  real :: xold,yold,zold,xmassfract
106  real :: grfraction(3)
107  real, parameter :: e_inv = 1.0/exp(1.0)
108
109  !double precision xm(maxspec,maxpointspec_act),
110  !    +                 xm_depw(maxspec,maxpointspec_act),
111  !    +                 xm_depd(maxspec,maxpointspec_act)
112
113
114  !open(88,file='TEST.dat')
115
116  ! First output for time 0
117  !************************
118
119  loutnext=loutstep/2
120  outnum=0.
121  loutstart=loutnext-loutaver/2
122  loutend=loutnext+loutaver/2
123
124  !  open(127,file=path(2)(1:length(2))//'depostat.dat'
125  !    +  ,form='unformatted')
126  !write (*,*) 'writing deposition statistics depostat.dat!'
127
128  !**********************************************************************
129  ! Loop over the whole modelling period in time steps of mintime seconds
130  !**********************************************************************
131
132!ZHG 2015
133!CGZ-lifetime: set lifetime to 0
134  ! checklifetime(:,:)=0
135  ! species_lifetime(:,:)=0
136  ! print*, 'Initialized lifetime'
137!CGZ-lifetime: set lifetime to 0
138 
139  if (.not.lusekerneloutput) write(*,*) 'Not using the kernel'
140  if (turboff) write(*,*) 'Turbulence switched off'
141
142  write(*,46) float(itime)/3600,itime,numpart
143
144  if (verbosity.gt.0) then
145    write (*,*) 'timemanager> starting simulation'
146    if (verbosity.gt.1) then
147      CALL SYSTEM_CLOCK(count_clock)
148      WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
149    endif     
150  endif
151
152  do itime=0,ideltas,lsynctime
153
154  ! Computation of wet deposition, OH reaction and mass transfer
155  ! between two species every lsynctime seconds
156  ! maybe wet depo frequency can be relaxed later but better be on safe side
157  ! wetdepo must be called BEFORE new fields are read in but should not
158  ! be called in the very beginning before any fields are loaded, or
159  ! before particles are in the system
160  ! Code may not be correct for decay of deposition
161  ! changed by Petra Seibert 9/02
162  !********************************************************************
163
164    if (WETDEP .and. itime .ne. 0 .and. numpart .gt. 0) then
165        if (verbosity.gt.0) then
166           write (*,*) 'timemanager> call wetdepo'
167        endif     
168         call wetdepo(itime,lsynctime,loutnext)
169    endif
170
171    if (OHREA .and. itime .ne. 0 .and. numpart .gt. 0) &
172         call ohreaction(itime,lsynctime,loutnext)
173
174    if (ASSSPEC .and. itime .ne. 0 .and. numpart .gt. 0) then
175       stop 'associated species not yet implemented!'
176  !     call transferspec(itime,lsynctime,loutnext)
177    endif
178
179  ! compute convection for backward runs
180  !*************************************
181
182   if ((ldirect.eq.-1).and.(lconvection.eq.1).and.(itime.lt.0)) then
183        if (verbosity.gt.0) then
184           write (*,*) 'timemanager> call convmix -- backward'
185        endif         
186      call convmix(itime,metdata_format)
187        if (verbosity.gt.1) then
188          !CALL SYSTEM_CLOCK(count_clock, count_rate, count_max)
189          CALL SYSTEM_CLOCK(count_clock)
190          WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
191        endif
192   endif
193
194  ! Get necessary wind fields if not available
195  !*******************************************
196    if (verbosity.gt.0) then
197           write (*,*) 'timemanager> call getfields'
198    endif
199    call getfields(itime,nstop1,metdata_format)
200        if (verbosity.gt.1) then
201          CALL SYSTEM_CLOCK(count_clock)
202          WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
203        endif
204    if (nstop1.gt.1) stop 'NO METEO FIELDS AVAILABLE'
205
206  ! Get hourly OH fields if not available
207  !****************************************************
208    if (OHREA) then
209      if (verbosity.gt.0) then
210             write (*,*) 'timemanager> call gethourlyOH'
211      endif
212      call gethourlyOH(itime)
213          if (verbosity.gt.1) then
214            CALL SYSTEM_CLOCK(count_clock)
215            WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
216          endif
217    endif
218       
219  ! Release particles
220  !******************
221
222    if (verbosity.gt.0) then
223           write (*,*) 'timemanager>  Release particles'
224    endif
225
226    if (mdomainfill.ge.1) then
227      if (itime.eq.0) then
228        if (verbosity.gt.0) then
229          write (*,*) 'timemanager>  call init_domainfill'
230        endif       
231        call init_domainfill
232      else
233        if (verbosity.gt.0) then
234          write (*,*) 'timemanager>  call boundcond_domainfill'
235        endif   
236        call boundcond_domainfill(itime,loutend)
237      endif
238    else
239      if (verbosity.gt.0) then
240        print*,'call releaseparticles' 
241      endif
242      call releaseparticles(itime)
243      if (verbosity.gt.1) then
244        CALL SYSTEM_CLOCK(count_clock)
245        WRITE(*,*) 'timemanager> SYSTEM CLOCK',(count_clock - count_clock0)/real(count_rate)
246      endif
247    endif
248
249
250  ! Compute convective mixing for forward runs
251  ! for backward runs it is done before next windfield is read in
252  !**************************************************************
253
254   if ((ldirect.eq.1).and.(lconvection.eq.1)) then
255     if (verbosity.gt.0) then
256       write (*,*) 'timemanager> call convmix -- forward'
257     endif   
258     call convmix(itime,metdata_format)
259   endif
260
261  ! If middle of averaging period of output fields is reached, accumulated
262  ! deposited mass radioactively decays
263  !***********************************************************************
264
265    if (DEP.and.(itime.eq.loutnext).and.(ldirect.gt.0)) then
266      do ks=1,nspec
267      do kp=1,maxpointspec_act
268        if (decay(ks).gt.0.) then
269          do nage=1,nageclass
270            do l=1,nclassunc
271  ! Mother output grid
272              do jy=0,numygrid-1
273                do ix=0,numxgrid-1
274                  wetgridunc(ix,jy,ks,kp,l,nage)= &
275                       wetgridunc(ix,jy,ks,kp,l,nage)* &
276                       exp(-1.*outstep*decay(ks))
277                  drygridunc(ix,jy,ks,kp,l,nage)= &
278                       drygridunc(ix,jy,ks,kp,l,nage)* &
279                       exp(-1.*outstep*decay(ks))
280                end do
281              end do
282  ! Nested output grid
283              if (nested_output.eq.1) then
284                do jy=0,numygridn-1
285                  do ix=0,numxgridn-1
286                    wetgriduncn(ix,jy,ks,kp,l,nage)= &
287                         wetgriduncn(ix,jy,ks,kp,l,nage)* &
288                         exp(-1.*outstep*decay(ks))
289                    drygriduncn(ix,jy,ks,kp,l,nage)= &
290                         drygriduncn(ix,jy,ks,kp,l,nage)* &
291                         exp(-1.*outstep*decay(ks))
292                  end do
293                end do
294              endif
295            end do
296          end do
297        endif
298      end do
299      end do
300    endif
301
302  !!! CHANGE: These lines may be switched on to check the conservation
303  !!! of mass within FLEXPART
304  !   if (itime.eq.loutnext) then
305  !   do 247 ksp=1, nspec
306  !   do 247 kp=1, maxpointspec_act
307  !47         xm(ksp,kp)=0.
308
309  !   do 249 ksp=1, nspec
310  !     do 249 j=1,numpart
311  !          if (ioutputforeachrelease.eq.1) then
312  !            kp=npoint(j)
313  !          else
314  !            kp=1
315  !          endif
316  !       if (itra1(j).eq.itime) then
317  !          xm(ksp,kp)=xm(ksp,kp)+xmass1(j,ksp)
318  !         write(*,*) 'xmass: ',xmass1(j,ksp),j,ksp,nspec
319  !       endif
320  !49     continue
321  !  do 248 ksp=1,nspec
322  !  do 248 kp=1,maxpointspec_act
323  !  xm_depw(ksp,kp)=0.
324  !  xm_depd(ksp,kp)=0.
325  !     do 248 nage=1,nageclass
326  !       do 248 ix=0,numxgrid-1
327  !         do 248 jy=0,numygrid-1
328  !           do 248 l=1,nclassunc
329  !              xm_depw(ksp,kp)=xm_depw(ksp,kp)
330  !    +                  +wetgridunc(ix,jy,ksp,kp,l,nage)
331  !48                 xm_depd(ksp,kp)=xm_depd(ksp,kp)
332  !    +                  +drygridunc(ix,jy,ksp,kp,l,nage)
333  !             do 246 ksp=1,nspec
334  !46                    write(88,'(2i10,3e12.3)')
335  !    +              itime,ksp,(xm(ksp,kp),kp=1,maxpointspec_act),
336  !    +                (xm_depw(ksp,kp),kp=1,maxpointspec_act),
337  !    +                (xm_depd(ksp,kp),kp=1,maxpointspec_act)
338  !  endif
339  !!! CHANGE
340
341
342
343  ! Check whether concentrations are to be calculated
344  !**************************************************
345
346    if ((ldirect*itime.ge.ldirect*loutstart).and. &
347         (ldirect*itime.le.ldirect*loutend)) then ! add to grid
348      if (mod(itime-loutstart,loutsample).eq.0) then
349
350  ! If we are exactly at the start or end of the concentration averaging interval,
351  ! give only half the weight to this sample
352  !*****************************************************************************
353
354        if ((itime.eq.loutstart).or.(itime.eq.loutend)) then
355          weight=0.5
356        else
357          weight=1.0
358        endif
359        outnum=outnum+weight
360        call conccalc(itime,weight)
361      endif
362
363
364      if ((mquasilag.eq.1).and.(itime.eq.(loutstart+loutend)/2)) &
365           call partoutput_short(itime)    ! dump particle positions in extremely compressed format
366
367
368  ! Output and reinitialization of grid
369  ! If necessary, first sample of new grid is also taken
370  !*****************************************************
371
372      if ((itime.eq.loutend).and.(outnum.gt.0.)) then
373        if ((iout.le.3.).or.(iout.eq.5)) then
374          if (surf_only.ne.1) then
375            if (lnetcdfout.eq.1) then
376#ifdef USE_NCF
377              call concoutput_netcdf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
378#endif
379            else
380              call concoutput(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
381            endif
382          else ! surf only 
383            if (verbosity.eq.1) then
384              print*,'call concoutput_surf '
385              call system_clock(count_clock)
386              write(*,*) 'system clock',count_clock - count_clock0   
387            endif
388            if (lnetcdfout.eq.1) then
389#ifdef USE_NCF
390              call concoutput_surf_netcdf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
391#endif
392            else
393              if (linversionout.eq.1) then
394                call concoutput_inversion(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
395                if (verbosity.eq.1) then
396                  print*,'called concoutput_inversion'
397                  call system_clock(count_clock)
398                  write(*,*) 'system clock',count_clock - count_clock0
399                endif
400              else
401                call concoutput_surf(itime,outnum,gridtotalunc,wetgridtotalunc,drygridtotalunc)
402              endif
403              if (verbosity.eq.1) then
404                print*,'called concoutput_surf '
405                call system_clock(count_clock)
406                write(*,*) 'system clock',count_clock - count_clock0   
407              endif
408            endif
409          endif
410
411          if (nested_output .eq. 1) then
412            if (lnetcdfout.eq.0) then
413              if (surf_only.ne.1) then
414                call concoutput_nest(itime,outnum)
415              else
416                if(linversionout.eq.1) then
417                  call concoutput_inversion_nest(itime,outnum)
418                else
419                  call concoutput_surf_nest(itime,outnum)
420                endif
421              endif
422            else
423#ifdef USE_NCF
424              if (surf_only.ne.1) then
425                call concoutput_nest_netcdf(itime,outnum)
426              else
427                call concoutput_surf_nest_netcdf(itime,outnum)
428              endif
429#endif
430            endif
431          endif
432          outnum=0.
433        endif
434        if ((iout.eq.4).or.(iout.eq.5)) call plumetraj(itime)
435        if (iflux.eq.1) call fluxoutput(itime)
436        write(*,45) itime,numpart,gridtotalunc,wetgridtotalunc,drygridtotalunc
437 
438        !CGZ-lifetime: output species lifetime
439!ZHG
440        ! write(*,*) 'Overview species lifetime in days', &
441        !      real((species_lifetime(:,1)/species_lifetime(:,2))/real(3600.0*24.0))
442        ! write(*,*) 'all info:',species_lifetime
443!ZHG
444        !CGZ-lifetime: output species lifetime
445
446        !write(*,46) float(itime)/3600,itime,numpart
44745      format(i13,' Seconds simulated: ',i13, ' Particles:    Uncertainty: ',3f7.3)
44846      format(' Simulated ',f7.1,' hours (',i13,' s), ',i13, ' particles')
449        if (ipout.ge.1) then
450          if (mod(itime,ipoutfac*loutstep).eq.0) call partoutput(itime) ! dump particle positions
451          if (ipout.eq.3) call partoutput_average(itime) ! dump particle positions
452        endif
453        loutnext=loutnext+loutstep
454        loutstart=loutnext-loutaver/2
455        loutend=loutnext+loutaver/2
456        if (itime.eq.loutstart) then
457          weight=0.5
458          outnum=outnum+weight
459          call conccalc(itime,weight)
460        endif
461
462
463  ! Check, whether particles are to be split:
464  ! If so, create new particles and attribute all information from the old
465  ! particles also to the new ones; old and new particles both get half the
466  ! mass of the old ones
467  !************************************************************************
468
469        if (ldirect*itime.ge.ldirect*itsplit) then
470          n=numpart
471          do j=1,numpart
472            if (ldirect*itime.ge.ldirect*itrasplit(j)) then
473              if (n.lt.maxpart) then
474                n=n+1
475                itrasplit(j)=2*(itrasplit(j)-itramem(j))+itramem(j)
476                itrasplit(n)=itrasplit(j)
477                itramem(n)=itramem(j)
478                itra1(n)=itra1(j)
479                idt(n)=idt(j)
480                npoint(n)=npoint(j)
481                nclass(n)=nclass(j)
482                xtra1(n)=xtra1(j)
483                ytra1(n)=ytra1(j)
484                ztra1(n)=ztra1(j)
485                uap(n)=uap(j)
486                ucp(n)=ucp(j)
487                uzp(n)=uzp(j)
488                us(n)=us(j)
489                vs(n)=vs(j)
490                ws(n)=ws(j)
491                cbt(n)=cbt(j)
492                do ks=1,nspec
493                  xmass1(j,ks)=xmass1(j,ks)/2.
494                  xmass1(n,ks)=xmass1(j,ks)
495                end do
496              endif
497            endif
498          end do
499          numpart=n
500        endif
501      endif
502    endif
503
504
505    if (itime.eq.ideltas) exit         ! almost finished
506
507  ! Compute interval since radioactive decay of deposited mass was computed
508  !************************************************************************
509
510    if (itime.lt.loutnext) then
511      ldeltat=itime-(loutnext-loutstep)
512    else                                  ! first half of next interval
513      ldeltat=itime-loutnext
514    endif
515
516
517  ! Loop over all particles
518  !************************
519  ! Various variables for testing reason of CBL scheme, by mc
520    well_mixed_vector=0. !erase vector to test well mixed condition: modified by mc
521    well_mixed_norm=0.   !erase normalization to test well mixed condition: modified by mc
522    avg_ol=0.
523    avg_wst=0.
524    avg_h=0.
525    avg_air_dens=0.  !erase vector to obtain air density at particle positions: modified by mc
526  !-----------------------------------------------------------------------------
527    do j=1,numpart
528
529
530  ! If integration step is due, do it
531  !**********************************
532
533      if (itra1(j).eq.itime) then
534
535        if (ioutputforeachrelease.eq.1) then
536            kp=npoint(j)
537        else
538            kp=1
539        endif
540  ! Determine age class of the particle
541        itage=abs(itra1(j)-itramem(j))
542        do nage=1,nageclass
543          if (itage.lt.lage(nage)) exit
544        end do
545
546  ! Initialize newly released particle
547  !***********************************
548
549        if ((itramem(j).eq.itime).or.(itime.eq.0)) &
550             call initialize(itime,idt(j),uap(j),ucp(j),uzp(j), &
551             us(j),vs(j),ws(j),xtra1(j),ytra1(j),ztra1(j),cbt(j))
552
553  ! Memorize particle positions
554  !****************************
555
556        xold=xtra1(j)
557        yold=ytra1(j)
558        zold=ztra1(j)
559
560   
561  ! RECEPTOR: dry/wet depovel
562  !****************************
563  ! Before the particle is moved
564  ! the calculation of the scavenged mass shall only be done once after release
565  ! xscav_frac1 was initialised with a negative value
566
567      if  (DRYBKDEP) then
568       do ks=1,nspec
569         if  ((xscav_frac1(j,ks).lt.0)) then
570            call get_vdep_prob(itime,xtra1(j),ytra1(j),ztra1(j),prob_rec)
571            if (DRYDEPSPEC(ks)) then        ! dry deposition
572               xscav_frac1(j,ks)=prob_rec(ks)
573             else
574                xmass1(j,ks)=0.
575                xscav_frac1(j,ks)=0.
576             endif
577         endif
578        enddo
579       endif
580
581       if (WETBKDEP) then
582       do ks=1,nspec
583         if  ((xscav_frac1(j,ks).lt.0)) then
584            call get_wetscav(itime,lsynctime,loutnext,j,ks,grfraction,idummy,idummy2,wetscav)
585            if (wetscav.gt.0) then
586                xscav_frac1(j,ks)=wetscav* &
587                       (zpoint2(npoint(j))-zpoint1(npoint(j)))*grfraction(1)
588            else
589                xmass1(j,ks)=0.
590                xscav_frac1(j,ks)=0.
591            endif
592         endif
593        enddo
594       endif
595
596  ! Integrate Lagevin equation for lsynctime seconds
597  !*************************************************
598
599        if (verbosity.gt.0) then
600           if (j.eq.1) then
601             write (*,*) 'timemanager> call advance'
602           endif     
603        endif
604     
605        call advance(itime,npoint(j),idt(j),uap(j),ucp(j),uzp(j), &
606             us(j),vs(j),ws(j),nstop,xtra1(j),ytra1(j),ztra1(j),prob, &
607             cbt(j))
608!        write (*,*) 'advance: ',prob(1),xmass1(j,1),ztra1(j)
609
610  ! Calculate average position for particle dump output
611  !****************************************************
612
613        if (ipout.eq.3) call partpos_average(itime,j)
614
615
616  ! Calculate the gross fluxes across layer interfaces
617  !***************************************************
618
619        if (iflux.eq.1) call calcfluxes(nage,j,xold,yold,zold)
620
621
622  ! Determine, when next time step is due
623  ! If trajectory is terminated, mark it
624  !**************************************
625
626        if (nstop.gt.1) then
627          if (linit_cond.ge.1) call initial_cond_calc(itime,j)
628          itra1(j)=-999999999
629        else
630          itra1(j)=itime+lsynctime
631
632
633  ! Dry deposition and radioactive decay for each species
634  ! Also check maximum (of all species) of initial mass remaining on the particle;
635  ! if it is below a threshold value, terminate particle
636  !*****************************************************************************
637
638          xmassfract=0.
639          do ks=1,nspec
640            if (decay(ks).gt.0.) then             ! radioactive decay
641              decfact=exp(-real(abs(lsynctime))*decay(ks))
642            else
643              decfact=1.
644            endif
645
646            if (DRYDEPSPEC(ks)) then        ! dry deposition
647              drydeposit(ks)=xmass1(j,ks)*prob(ks)*decfact
648              xmass1(j,ks)=xmass1(j,ks)*(1.-prob(ks))*decfact
649              if (decay(ks).gt.0.) then   ! correct for decay (see wetdepo)
650                drydeposit(ks)=drydeposit(ks)* &
651                     exp(real(abs(ldeltat))*decay(ks))
652              endif
653            else                           ! no dry deposition
654              xmass1(j,ks)=xmass1(j,ks)*decfact
655            endif
656
657! Skip check on mass fraction when npoint represents particle number
658            if (mdomainfill.eq.0.and.mquasilag.eq.0) then
659              if (xmass(npoint(j),ks).gt.0.) &
660                   xmassfract=max(xmassfract,real(npart(npoint(j)))* &
661                   xmass1(j,ks)/xmass(npoint(j),ks))
662!ZHG 2015
663                  !CGZ-lifetime: Check mass fraction left/save lifetime
664                   ! if(real(npart(npoint(j)))*xmass1(j,ks)/xmass(npoint(j),ks).lt.e_inv.and.checklifetime(j,ks).eq.0.)then
665                       !Mass below 1% of initial >register lifetime
666                       ! checklifetime(j,ks)=abs(itra1(j)-itramem(j))
667                       ! species_lifetime(ks,1)=species_lifetime(ks,1)+abs(itra1(j)-itramem(j))
668                       ! species_lifetime(ks,2)= species_lifetime(ks,2)+1
669                   ! endif
670                   !CGZ-lifetime: Check mass fraction left/save lifetime
671!ZHG 2015
672            else
673              xmassfract=1.0
674            end if
675          end do
676
677          if (xmassfract.lt.minmass) then   ! terminate all particles carrying less mass
678            itra1(j)=-999999999
679            if (verbosity.gt.0) then
680              print*,'terminated particle ',j,' for small mass'
681            endif
682          endif
683
684  !        Sabine Eckhardt, June 2008
685  !        don't create depofield for backward runs
686          if (DRYDEP.AND.(ldirect.eq.1)) then
687            call drydepokernel(nclass(j),drydeposit,real(xtra1(j)), &
688                 real(ytra1(j)),nage,kp)
689            if (nested_output.eq.1) call drydepokernel_nest( &
690                 nclass(j),drydeposit,real(xtra1(j)),real(ytra1(j)), &
691                 nage,kp)
692          endif
693
694  ! Terminate trajectories that are older than maximum allowed age
695  !***************************************************************
696
697          if (abs(itra1(j)-itramem(j)).ge.lage(nageclass)) then
698            if (linit_cond.ge.1) call initial_cond_calc(itime+lsynctime,j)
699            itra1(j)=-999999999
700            if (verbosity.gt.0) then
701              print*,'terminated particle ',j,' for age'
702            endif
703          endif
704        endif
705
706      endif
707
708    end do !loop over particles
709   
710  ! Counter of "unstable" particle velocity during a time scale of
711  ! maximumtl=20 minutes (defined in com_mod)
712  !***************************************************************
713   
714    total_nan_intl=0
715    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)
716    sum_nan_count(i_nan)=nan_count
717    if (i_nan > maxtl/lsynctime) i_nan=1 !lsynctime must be <= maxtl
718    do ii_nan=1, (maxtl/lsynctime)
719      total_nan_intl=total_nan_intl+sum_nan_count(ii_nan)
720    end do
721  ! Output to keep track of the numerical instabilities in CBL simulation and if
722  ! they are compromising the final result (or not)
723    if (cblflag.eq.1) print *,j,itime,'nan_synctime',nan_count,'nan_tl',total_nan_intl 
724         
725  end do
726
727
728  ! Complete the calculation of initial conditions for particles not yet terminated
729  !*****************************************************************************
730
731  do j=1,numpart
732    if (linit_cond.ge.1) call initial_cond_calc(itime,j)
733  end do
734
735  if (ipout.eq.2) call partoutput(itime)     ! dump particle positions
736
737  if (linit_cond.ge.1) then
738    if(linversionout.eq.1) then
739      call initial_cond_output_inversion(itime)   ! dump initial cond. field
740    else
741      call initial_cond_output(itime)   ! dump initial cond. fielf
742    endif
743  endif
744
745  !close(104)
746
747  ! De-allocate memory and end
748  !***************************
749
750  if (iflux.eq.1) then
751      deallocate(flux)
752  endif
753  if (OHREA) then
754      deallocate(OH_field,OH_hourly,lonOH,latOH,altOH)
755  endif
756  if (ldirect.gt.0) then
757  deallocate(drygridunc,wetgridunc)
758  endif
759  deallocate(gridunc)
760  deallocate(xpoint1,xpoint2,ypoint1,ypoint2,zpoint1,zpoint2,xmass)
761  deallocate(ireleasestart,ireleaseend,npart,kindz)
762  deallocate(xmasssave)
763  if (nested_output.eq.1) then
764     deallocate(orooutn, arean, volumen)
765     if (ldirect.gt.0) then
766     deallocate(griduncn,drygriduncn,wetgriduncn)
767     endif
768  endif
769  deallocate(outheight,outheighthalf)
770  deallocate(oroout, area, volume)
771
772end subroutine timemanager
773
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