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source: palm/trunk/SOURCE/data_output_mask.f90 @ 3377

Last change on this file since 3377 was 3298, checked in by kanani, 6 years ago
Merge chemistry branch at r3297 to trunk
Property svn:keywords set to `Id`
File size: 24.6 KB

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1	!> @file data_output_mask.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 1997-2018 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: data_output_mask.f90 3298 2018-10-02 12:21:11Z knoop $
27	! Minor formatting (kanani)
28	! Call for chem_data_output_mask added (basit)
29	!
30	! 3274 2018-09-24 15:42:55Z knoop
31	! Modularization of all bulk cloud physics code components
32	!
33	! 3241 2018-09-12 15:02:00Z raasch
34	! unused variable removed
35	!
36	! 3083 2018-06-19 14:03:12Z gronemeier
37	!
38	!
39	! 3045 2018-05-28 07:55:41Z Giersch
40	! Error messages revised
41	!
42	! 3030 2018-05-23 14:37:00Z raasch
43	! variable if renamed ivar
44	!
45	! 2718 2018-01-02 08:49:38Z maronga
46	! Corrected "Former revisions" section
47	!
48	! 2696 2017-12-14 17:12:51Z kanani
49	! Change in file header (GPL part)
50	!
51	! 2292 2017-06-20 09:51:42Z schwenkel
52	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
53	! includes two more prognostic equations for cloud drop concentration (nc)
54	! and cloud water content (qc).
55	!
56	! 2101 2017-01-05 16:42:31Z suehring
57	!
58	! 2031 2016-10-21 15:11:58Z knoop
59	! renamed variable rho to rho_ocean and rho_av to rho_ocean_av
60	!
61	! 2000 2016-08-20 18:09:15Z knoop
62	! Forced header and separation lines into 80 columns
63	!
64	! 1980 2016-07-29 15:51:57Z suehring
65	! Bugfix, in order to steer user-defined output, setting flag found explicitly
66	! to .F.
67	!
68	! 1976 2016-07-27 13:28:04Z maronga
69	! Output of radiation quantities is now done directly in the respective module
70	!
71	! 1960 2016-07-12 16:34:24Z suehring
72	! Separate humidity and passive scalar
73	!
74	! 2016-03-06 18:36:17Z raasch
75	! name change of netcdf routines and module + related changes,
76	! switch back of netcdf data format moved from time integration routine to here
77	!
78	! 1691 2015-10-26 16:17:44Z maronga
79	! Added output of radiative heating rates for RRTMG
80	!
81	! 1682 2015-10-07 23:56:08Z knoop
82	! Code annotations made doxygen readable
83	!
84	! 1585 2015-04-30 07:05:52Z maronga
85	! Added support for RRTMG
86	!
87	! 1438 2014-07-22 14:14:06Z heinze
88	! +nr, qc, qr
89	!
90	! 1359 2014-04-11 17:15:14Z hoffmann
91	! New particle structure integrated.
92	!
93	! 1353 2014-04-08 15:21:23Z heinze
94	! REAL constants provided with KIND-attribute
95	!
96	! 1327 2014-03-21 11:00:16Z raasch
97	!
98	!
99	! 1320 2014-03-20 08:40:49Z raasch
100	! ONLY-attribute added to USE-statements,
101	! kind-parameters added to all INTEGER and REAL declaration statements,
102	! kinds are defined in new module kinds,
103	! revision history before 2012 removed,
104	! comment fields (!:) to be used for variable explanations added to
105	! all variable declaration statements
106	!
107	! 1318 2014-03-17 13:35:16Z raasch
108	! barrier argument removed from cpu_log,
109	! module interfaces removed
110	!
111	! 1092 2013-02-02 11:24:22Z raasch
112	! unused variables removed
113	!
114	! 1036 2012-10-22 13:43:42Z raasch
115	! code put under GPL (PALM 3.9)
116	!
117	! 1031 2012-10-19 14:35:30Z raasch
118	! netCDF4 without parallel file support implemented
119	!
120	! 1007 2012-09-19 14:30:36Z franke
121	! Bugfix: calculation of pr must depend on the particle weighting factor,
122	! missing calculation of ql_vp added
123	!
124	! 410 2009-12-04 17:05:40Z letzel
125	! Initial version
126	!
127	! Description:
128	! ------------
129	!> Masked data output in netCDF format for current mask (current value of mid).
130	!------------------------------------------------------------------------------!
131	SUBROUTINE data_output_mask( av )
132
133
134
135	#if defined( __netcdf )
136	USE arrays_3d, &
137	ONLY: e, nc, nr, p, pt, q, qc, ql, ql_c, ql_v, qr, rho_ocean, s, sa, &
138	tend, u, v, vpt, w, d_exner
139
140	USE averaging, &
141	ONLY: e_av, lpt_av, nc_av, nr_av, p_av, pc_av, pr_av, pt_av, q_av, &
142	qc_av, ql_av, ql_c_av, ql_v_av, ql_vp_av, qv_av, qr_av, &
143	rho_ocean_av, s_av, sa_av, u_av, v_av, vpt_av, w_av
144
145	USE basic_constants_and_equations_mod, &
146	ONLY: lv_d_cp
147
148	USE chemistry_model_mod, &
149	ONLY: chem_data_output_mask
150
151	USE control_parameters, &
152	ONLY: air_chemistry, domask, domask_no, domask_time_count, mask_i, &
153	mask_j, mask_k, mask_size, mask_size_l, mask_start_l, &
154	max_masks, message_string, mid, nz_do3d, simulated_time
155	USE cpulog, &
156	ONLY: cpu_log, log_point
157
158	USE indices, &
159	ONLY: nbgp, nxl, nxr, nyn, nys, nzb
160
161	USE kinds
162
163	USE bulk_cloud_model_mod, &
164	ONLY: bulk_cloud_model
165
166	USE NETCDF
167
168	USE netcdf_interface, &
169	ONLY: id_set_mask, id_var_domask, id_var_time_mask, nc_stat, &
170	netcdf_data_format, netcdf_handle_error
171
172	USE particle_attributes, &
173	ONLY: grid_particles, number_of_particles, particles, &
174	particle_advection_start, prt_count
175
176	USE pegrid
177
178	USE radiation_model_mod, &
179	ONLY: radiation, radiation_data_output_mask
180
181	IMPLICIT NONE
182
183	INTEGER(iwp) :: av !<
184	INTEGER(iwp) :: ngp !<
185	INTEGER(iwp) :: i !<
186	INTEGER(iwp) :: ivar !<
187	INTEGER(iwp) :: j !<
188	INTEGER(iwp) :: k !<
189	INTEGER(iwp) :: n !<
190	INTEGER(iwp) :: netcdf_data_format_save !<
191	INTEGER(iwp) :: sender !<
192	INTEGER(iwp) :: ind(6) !<
193
194	LOGICAL :: found !<
195	LOGICAL :: resorted !<
196
197	REAL(wp) :: mean_r !<
198	REAL(wp) :: s_r2 !<
199	REAL(wp) :: s_r3 !<
200
201	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
202	#if defined( __parallel )
203	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: total_pf !<
204	#endif
205	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
206
207	!
208	!-- Return, if nothing to output
209	IF ( domask_no(mid,av) == 0 ) RETURN
210
211	CALL cpu_log (log_point(49),'data_output_mask','start')
212
213	!
214	!-- Parallel netcdf output is not tested so far for masked data, hence
215	!-- netcdf_data_format is switched back to non-paralell output.
216	netcdf_data_format_save = netcdf_data_format
217	IF ( netcdf_data_format == 5 ) netcdf_data_format = 3
218	IF ( netcdf_data_format == 6 ) netcdf_data_format = 4
219
220	!
221	!-- Open output file.
222	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
223	CALL check_open( 200+mid+av*max_masks )
224	ENDIF
225
226	!
227	!-- Allocate total and local output arrays.
228	#if defined( __parallel )
229	IF ( myid == 0 ) THEN
230	ALLOCATE( total_pf(mask_size(mid,1),mask_size(mid,2),mask_size(mid,3)) )
231	ENDIF
232	#endif
233	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
234	mask_size_l(mid,3)) )
235
236	!
237	!-- Update the netCDF time axis.
238	domask_time_count(mid,av) = domask_time_count(mid,av) + 1
239	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
240	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), id_var_time_mask(mid,av), &
241	(/ simulated_time /), &
242	start = (/ domask_time_count(mid,av) /), &
243	count = (/ 1 /) )
244	CALL netcdf_handle_error( 'data_output_mask', 460 )
245	ENDIF
246
247	!
248	!-- Loop over all variables to be written.
249	ivar = 1
250
251	DO WHILE ( domask(mid,av,ivar)(1:1) /= ' ' )
252	!
253	!-- Reallocate local_pf on PE 0 since its shape changes during MPI exchange
254	IF ( netcdf_data_format < 5 .AND. myid == 0 .AND. ivar > 1 ) THEN
255	DEALLOCATE( local_pf )
256	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
257	mask_size_l(mid,3)) )
258	ENDIF
259	!
260	!-- Set flag to steer output of radiation, land-surface, or user-defined
261	!-- quantities
262	found = .FALSE.
263	!
264	!-- Store the variable chosen.
265	resorted = .FALSE.
266	SELECT CASE ( TRIM( domask(mid,av,ivar) ) )
267
268	CASE ( 'e' )
269	IF ( av == 0 ) THEN
270	to_be_resorted => e
271	ELSE
272	to_be_resorted => e_av
273	ENDIF
274
275	CASE ( 'lpt' )
276	IF ( av == 0 ) THEN
277	to_be_resorted => pt
278	ELSE
279	to_be_resorted => lpt_av
280	ENDIF
281
282	CASE ( 'nc' )
283	IF ( av == 0 ) THEN
284	to_be_resorted => nc
285	ELSE
286	to_be_resorted => nc_av
287	ENDIF
288
289	CASE ( 'nr' )
290	IF ( av == 0 ) THEN
291	to_be_resorted => nr
292	ELSE
293	to_be_resorted => nr_av
294	ENDIF
295
296	CASE ( 'p' )
297	IF ( av == 0 ) THEN
298	to_be_resorted => p
299	ELSE
300	to_be_resorted => p_av
301	ENDIF
302
303	CASE ( 'pc' ) ! particle concentration (requires ghostpoint exchange)
304	IF ( av == 0 ) THEN
305	tend = prt_count
306	CALL exchange_horiz( tend, nbgp )
307	DO i = 1, mask_size_l(mid,1)
308	DO j = 1, mask_size_l(mid,2)
309	DO k = 1, mask_size_l(mid,3)
310	local_pf(i,j,k) = tend(mask_k(mid,k), &
311	mask_j(mid,j),mask_i(mid,i))
312	ENDDO
313	ENDDO
314	ENDDO
315	resorted = .TRUE.
316	ELSE
317	CALL exchange_horiz( pc_av, nbgp )
318	to_be_resorted => pc_av
319	ENDIF
320
321	CASE ( 'pr' ) ! mean particle radius (effective radius)
322	IF ( av == 0 ) THEN
323	IF ( simulated_time >= particle_advection_start ) THEN
324	DO i = nxl, nxr
325	DO j = nys, nyn
326	DO k = nzb, nz_do3d
327	number_of_particles = prt_count(k,j,i)
328	IF (number_of_particles <= 0) CYCLE
329	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
330	s_r2 = 0.0_wp
331	s_r3 = 0.0_wp
332	DO n = 1, number_of_particles
333	IF ( particles(n)%particle_mask ) THEN
334	s_r2 = s_r2 + grid_particles(k,j,i)%particles(n)%radius*2 &
335	grid_particles(k,j,i)%particles(n)%weight_factor
336	s_r3 = s_r3 + grid_particles(k,j,i)%particles(n)%radius*3 &
337	grid_particles(k,j,i)%particles(n)%weight_factor
338	ENDIF
339	ENDDO
340	IF ( s_r2 > 0.0_wp ) THEN
341	mean_r = s_r3 / s_r2
342	ELSE
343	mean_r = 0.0_wp
344	ENDIF
345	tend(k,j,i) = mean_r
346	ENDDO
347	ENDDO
348	ENDDO
349	CALL exchange_horiz( tend, nbgp )
350	ELSE
351	tend = 0.0_wp
352	ENDIF
353	DO i = 1, mask_size_l(mid,1)
354	DO j = 1, mask_size_l(mid,2)
355	DO k = 1, mask_size_l(mid,3)
356	local_pf(i,j,k) = tend(mask_k(mid,k), &
357	mask_j(mid,j),mask_i(mid,i))
358	ENDDO
359	ENDDO
360	ENDDO
361	resorted = .TRUE.
362	ELSE
363	CALL exchange_horiz( pr_av, nbgp )
364	to_be_resorted => pr_av
365	ENDIF
366
367	CASE ( 'pt' )
368	IF ( av == 0 ) THEN
369	IF ( .NOT. bulk_cloud_model ) THEN
370	to_be_resorted => pt
371	ELSE
372	DO i = 1, mask_size_l(mid,1)
373	DO j = 1, mask_size_l(mid,2)
374	DO k = 1, mask_size_l(mid,3)
375	local_pf(i,j,k) = &
376	pt(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) &
377	+ lv_d_cp * d_exner(mask_k(mid,k)) * &
378	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
379	ENDDO
380	ENDDO
381	ENDDO
382	resorted = .TRUE.
383	ENDIF
384	ELSE
385	to_be_resorted => pt_av
386	ENDIF
387
388	CASE ( 'q' )
389	IF ( av == 0 ) THEN
390	to_be_resorted => q
391	ELSE
392	to_be_resorted => q_av
393	ENDIF
394
395	CASE ( 'qc' )
396	IF ( av == 0 ) THEN
397	to_be_resorted => qc
398	ELSE
399	to_be_resorted => qc_av
400	ENDIF
401
402	CASE ( 'ql' )
403	IF ( av == 0 ) THEN
404	to_be_resorted => ql
405	ELSE
406	to_be_resorted => ql_av
407	ENDIF
408
409	CASE ( 'ql_c' )
410	IF ( av == 0 ) THEN
411	to_be_resorted => ql_c
412	ELSE
413	to_be_resorted => ql_c_av
414	ENDIF
415
416	CASE ( 'ql_v' )
417	IF ( av == 0 ) THEN
418	to_be_resorted => ql_v
419	ELSE
420	to_be_resorted => ql_v_av
421	ENDIF
422
423	CASE ( 'ql_vp' )
424	IF ( av == 0 ) THEN
425	IF ( simulated_time >= particle_advection_start ) THEN
426	DO i = nxl, nxr
427	DO j = nys, nyn
428	DO k = nzb, nz_do3d
429	number_of_particles = prt_count(k,j,i)
430	IF (number_of_particles <= 0) CYCLE
431	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
432	DO n = 1, number_of_particles
433	IF ( particles(n)%particle_mask ) THEN
434	tend(k,j,i) = tend(k,j,i) + &
435	particles(n)%weight_factor / &
436	prt_count(k,j,i)
437	ENDIF
438	ENDDO
439	ENDDO
440	ENDDO
441	ENDDO
442	CALL exchange_horiz( tend, nbgp )
443	ELSE
444	tend = 0.0_wp
445	ENDIF
446	DO i = 1, mask_size_l(mid,1)
447	DO j = 1, mask_size_l(mid,2)
448	DO k = 1, mask_size_l(mid,3)
449	local_pf(i,j,k) = tend(mask_k(mid,k), &
450	mask_j(mid,j),mask_i(mid,i))
451	ENDDO
452	ENDDO
453	ENDDO
454	resorted = .TRUE.
455	ELSE
456	CALL exchange_horiz( ql_vp_av, nbgp )
457	to_be_resorted => ql_vp_av
458	ENDIF
459
460	CASE ( 'qv' )
461	IF ( av == 0 ) THEN
462	DO i = 1, mask_size_l(mid,1)
463	DO j = 1, mask_size_l(mid,2)
464	DO k = 1, mask_size_l(mid,3)
465	local_pf(i,j,k) = &
466	q(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) - &
467	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
468	ENDDO
469	ENDDO
470	ENDDO
471	resorted = .TRUE.
472	ELSE
473	to_be_resorted => qv_av
474	ENDIF
475
476	CASE ( 'qr' )
477	IF ( av == 0 ) THEN
478	to_be_resorted => qr
479	ELSE
480	to_be_resorted => qr_av
481	ENDIF
482
483	CASE ( 'rho_ocean' )
484	IF ( av == 0 ) THEN
485	to_be_resorted => rho_ocean
486	ELSE
487	to_be_resorted => rho_ocean_av
488	ENDIF
489
490	CASE ( 's' )
491	IF ( av == 0 ) THEN
492	to_be_resorted => s
493	ELSE
494	to_be_resorted => s_av
495	ENDIF
496
497	CASE ( 'sa' )
498	IF ( av == 0 ) THEN
499	to_be_resorted => sa
500	ELSE
501	to_be_resorted => sa_av
502	ENDIF
503
504	CASE ( 'u' )
505	IF ( av == 0 ) THEN
506	to_be_resorted => u
507	ELSE
508	to_be_resorted => u_av
509	ENDIF
510
511	CASE ( 'v' )
512	IF ( av == 0 ) THEN
513	to_be_resorted => v
514	ELSE
515	to_be_resorted => v_av
516	ENDIF
517
518	CASE ( 'vpt' )
519	IF ( av == 0 ) THEN
520	to_be_resorted => vpt
521	ELSE
522	to_be_resorted => vpt_av
523	ENDIF
524
525	CASE ( 'w' )
526	IF ( av == 0 ) THEN
527	to_be_resorted => w
528	ELSE
529	to_be_resorted => w_av
530	ENDIF
531
532	CASE DEFAULT
533	!
534	!-- Radiation quantity
535	IF ( radiation ) THEN
536	CALL radiation_data_output_mask(av, domask(mid,av,ivar), found,&
537	local_pf )
538	ENDIF
539
540	IF ( air_chemistry ) THEN
541	CALL chem_data_output_mask(av, domask(mid,av,ivar), found, &
542	local_pf )
543	ENDIF
544	!
545	!-- User defined quantity
546	IF ( .NOT. found ) THEN
547	CALL user_data_output_mask(av, domask(mid,av,ivar), found, &
548	local_pf )
549	ENDIF
550
551	resorted = .TRUE.
552
553	IF ( .NOT. found ) THEN
554	WRITE ( message_string, * ) 'no masked output available for: ',&
555	TRIM( domask(mid,av,ivar) )
556	CALL message( 'data_output_mask', 'PA0327', 0, 0, 0, 6, 0 )
557	ENDIF
558
559	END SELECT
560
561	!
562	!-- Resort the array to be output, if not done above
563	IF ( .NOT. resorted ) THEN
564	DO i = 1, mask_size_l(mid,1)
565	DO j = 1, mask_size_l(mid,2)
566	DO k = 1, mask_size_l(mid,3)
567	local_pf(i,j,k) = to_be_resorted(mask_k(mid,k), &
568	mask_j(mid,j),mask_i(mid,i))
569	ENDDO
570	ENDDO
571	ENDDO
572	ENDIF
573
574	!
575	!-- I/O block. I/O methods are implemented
576	!-- (1) for parallel execution
577	!-- a. with netCDF 4 parallel I/O-enabled library
578	!-- b. with netCDF 3 library
579	!-- (2) for serial execution.
580	!-- The choice of method depends on the correct setting of preprocessor
581	!-- directives __parallel and __netcdf4_parallel as well as on the parameter
582	!-- netcdf_data_format.
583	#if defined( __parallel )
584	#if defined( __netcdf4_parallel )
585	IF ( netcdf_data_format > 4 ) THEN
586	!
587	!-- (1) a. Parallel I/O using netCDF 4 (not yet tested)
588	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
589	id_var_domask(mid,av,ivar), local_pf, &
590	start = (/ mask_start_l(mid,1), mask_start_l(mid,2), &
591	mask_start_l(mid,3), domask_time_count(mid,av) /), &
592	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
593	mask_size_l(mid,3), 1 /) )
594	CALL netcdf_handle_error( 'data_output_mask', 461 )
595	ELSE
596	#endif
597	!
598	!-- (1) b. Conventional I/O only through PE0
599	!-- PE0 receives partial arrays from all processors of the respective mask
600	!-- and outputs them. Here a barrier has to be set, because otherwise
601	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
602	CALL MPI_BARRIER( comm2d, ierr )
603
604	ngp = mask_size_l(mid,1) * mask_size_l(mid,2) * mask_size_l(mid,3)
605	IF ( myid == 0 ) THEN
606	!
607	!-- Local array can be relocated directly.
608	total_pf( &
609	mask_start_l(mid,1):mask_start_l(mid,1)+mask_size_l(mid,1)-1, &
610	mask_start_l(mid,2):mask_start_l(mid,2)+mask_size_l(mid,2)-1, &
611	mask_start_l(mid,3):mask_start_l(mid,3)+mask_size_l(mid,3)-1 ) &
612	= local_pf
613	!
614	!-- Receive data from all other PEs.
615	DO n = 1, numprocs-1
616	!
617	!-- Receive index limits first, then array.
618	!-- Index limits are received in arbitrary order from the PEs.
619	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
620	comm2d, status, ierr )
621	!
622	!-- Not all PEs have data for the mask
623	IF ( ind(1) /= -9999 ) THEN
624	ngp = ( ind(2)-ind(1)+1 ) * (ind(4)-ind(3)+1 ) * &
625	( ind(6)-ind(5)+1 )
626	sender = status(MPI_SOURCE)
627	DEALLOCATE( local_pf )
628	ALLOCATE(local_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)))
629	CALL MPI_RECV( local_pf(ind(1),ind(3),ind(5)), ngp, &
630	MPI_REAL, sender, 1, comm2d, status, ierr )
631	total_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)) &
632	= local_pf
633	ENDIF
634	ENDDO
635
636	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
637	id_var_domask(mid,av,ivar), total_pf, &
638	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
639	count = (/ mask_size(mid,1), mask_size(mid,2), &
640	mask_size(mid,3), 1 /) )
641	CALL netcdf_handle_error( 'data_output_mask', 462 )
642
643	ELSE
644	!
645	!-- If at least part of the mask resides on the PE, send the index
646	!-- limits for the target array, otherwise send -9999 to PE0.
647	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
648	mask_size_l(mid,3) > 0 ) &
649	THEN
650	ind(1) = mask_start_l(mid,1)
651	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
652	ind(3) = mask_start_l(mid,2)
653	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
654	ind(5) = mask_start_l(mid,3)
655	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
656	ELSE
657	ind(1) = -9999; ind(2) = -9999
658	ind(3) = -9999; ind(4) = -9999
659	ind(5) = -9999; ind(6) = -9999
660	ENDIF
661	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
662	!
663	!-- If applicable, send data to PE0.
664	IF ( ind(1) /= -9999 ) THEN
665	CALL MPI_SEND( local_pf(1,1,1), ngp, MPI_REAL, 0, 1, comm2d, &
666	ierr )
667	ENDIF
668	ENDIF
669	!
670	!-- A barrier has to be set, because otherwise some PEs may proceed too
671	!-- fast so that PE0 may receive wrong data on tag 0.
672	CALL MPI_BARRIER( comm2d, ierr )
673	#if defined( __netcdf4_parallel )
674	ENDIF
675	#endif
676	#else
677	!
678	!-- (2) For serial execution of PALM, the single processor (PE0) holds all
679	!-- data and writes them directly to file.
680	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
681	id_var_domask(mid,av,ivar), local_pf, &
682	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
683	count = (/ mask_size_l(mid,1), mask_size_l(mid,2),&
684	mask_size_l(mid,3), 1 /) )
685	CALL netcdf_handle_error( 'data_output_mask', 463 )
686	#endif
687
688	ivar = ivar + 1
689
690	ENDDO
691
692	!
693	!-- Deallocate temporary arrays.
694	DEALLOCATE( local_pf )
695	#if defined( __parallel )
696	IF ( myid == 0 ) THEN
697	DEALLOCATE( total_pf )
698	ENDIF
699	#endif
700
701	!
702	!-- Switch back to original format given by user (see beginning of this routine)
703	netcdf_data_format = netcdf_data_format_save
704
705	CALL cpu_log( log_point(49), 'data_output_mask', 'stop' )
706	#endif
707
708	END SUBROUTINE data_output_mask

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