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source: palm/trunk/SOURCE/data_output_mask.f90 @ 3048

Last change on this file since 3048 was 3045, checked in by Giersch, 6 years ago
Code adjusted according to coding standards, renamed namelists, error messages revised until PA0347, output CASE 108 disabled
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 3045 2018-05-28 07:55:41Z gronemeier $
27	! Error messages revised
28	!
29	! 3030 2018-05-23 14:37:00Z raasch
30	! variable if renamed ivar
31	!
32	! 2718 2018-01-02 08:49:38Z maronga
33	! Corrected "Former revisions" section
34	!
35	! 2696 2017-12-14 17:12:51Z kanani
36	! Change in file header (GPL part)
37	!
38	! 2292 2017-06-20 09:51:42Z schwenkel
39	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
40	! includes two more prognostic equations for cloud drop concentration (nc)
41	! and cloud water content (qc).
42	!
43	! 2101 2017-01-05 16:42:31Z suehring
44	!
45	! 2031 2016-10-21 15:11:58Z knoop
46	! renamed variable rho to rho_ocean and rho_av to rho_ocean_av
47	!
48	! 2000 2016-08-20 18:09:15Z knoop
49	! Forced header and separation lines into 80 columns
50	!
51	! 1980 2016-07-29 15:51:57Z suehring
52	! Bugfix, in order to steer user-defined output, setting flag found explicitly
53	! to .F.
54	!
55	! 1976 2016-07-27 13:28:04Z maronga
56	! Output of radiation quantities is now done directly in the respective module
57	!
58	! 1960 2016-07-12 16:34:24Z suehring
59	! Separate humidity and passive scalar
60	!
61	! 2016-03-06 18:36:17Z raasch
62	! name change of netcdf routines and module + related changes,
63	! switch back of netcdf data format moved from time integration routine to here
64	!
65	! 1691 2015-10-26 16:17:44Z maronga
66	! Added output of radiative heating rates for RRTMG
67	!
68	! 1682 2015-10-07 23:56:08Z knoop
69	! Code annotations made doxygen readable
70	!
71	! 1585 2015-04-30 07:05:52Z maronga
72	! Added support for RRTMG
73	!
74	! 1438 2014-07-22 14:14:06Z heinze
75	! +nr, qc, qr
76	!
77	! 1359 2014-04-11 17:15:14Z hoffmann
78	! New particle structure integrated.
79	!
80	! 1353 2014-04-08 15:21:23Z heinze
81	! REAL constants provided with KIND-attribute
82	!
83	! 1327 2014-03-21 11:00:16Z raasch
84	!
85	!
86	! 1320 2014-03-20 08:40:49Z raasch
87	! ONLY-attribute added to USE-statements,
88	! kind-parameters added to all INTEGER and REAL declaration statements,
89	! kinds are defined in new module kinds,
90	! revision history before 2012 removed,
91	! comment fields (!:) to be used for variable explanations added to
92	! all variable declaration statements
93	!
94	! 1318 2014-03-17 13:35:16Z raasch
95	! barrier argument removed from cpu_log,
96	! module interfaces removed
97	!
98	! 1092 2013-02-02 11:24:22Z raasch
99	! unused variables removed
100	!
101	! 1036 2012-10-22 13:43:42Z raasch
102	! code put under GPL (PALM 3.9)
103	!
104	! 1031 2012-10-19 14:35:30Z raasch
105	! netCDF4 without parallel file support implemented
106	!
107	! 1007 2012-09-19 14:30:36Z franke
108	! Bugfix: calculation of pr must depend on the particle weighting factor,
109	! missing calculation of ql_vp added
110	!
111	! 410 2009-12-04 17:05:40Z letzel
112	! Initial version
113	!
114	! Description:
115	! ------------
116	!> Masked data output in netCDF format for current mask (current value of mid).
117	!------------------------------------------------------------------------------!
118	SUBROUTINE data_output_mask( av )
119
120
121
122	#if defined( __netcdf )
123	USE arrays_3d, &
124	ONLY: e, nc, nr, p, pt, q, qc, ql, ql_c, ql_v, qr, rho_ocean, s, sa, &
125	tend, u, v, vpt, w
126
127	USE averaging, &
128	ONLY: e_av, lpt_av, nc_av, nr_av, p_av, pc_av, pr_av, pt_av, q_av, &
129	qc_av, ql_av, ql_c_av, ql_v_av, ql_vp_av, qv_av, qr_av, &
130	rho_ocean_av, s_av, sa_av, u_av, v_av, vpt_av, w_av
131
132	USE cloud_parameters, &
133	ONLY: l_d_cp, pt_d_t
134
135	USE control_parameters, &
136	ONLY: cloud_physics, domask, domask_no, domask_time_count, mask_i, &
137	mask_j, mask_k, mask_size, mask_size_l, mask_start_l, &
138	max_masks, message_string, mid, nz_do3d, simulated_time
139	USE cpulog, &
140	ONLY: cpu_log, log_point
141
142	USE indices, &
143	ONLY: nbgp, nxl, nxr, nyn, nys, nzb, nzt
144
145	USE kinds
146
147	USE NETCDF
148
149	USE netcdf_interface, &
150	ONLY: id_set_mask, id_var_domask, id_var_time_mask, nc_stat, &
151	netcdf_data_format, netcdf_handle_error
152
153	USE particle_attributes, &
154	ONLY: grid_particles, number_of_particles, particles, &
155	particle_advection_start, prt_count
156
157	USE pegrid
158
159	USE radiation_model_mod, &
160	ONLY: radiation, radiation_data_output_mask
161
162	IMPLICIT NONE
163
164	INTEGER(iwp) :: av !<
165	INTEGER(iwp) :: ngp !<
166	INTEGER(iwp) :: i !<
167	INTEGER(iwp) :: ivar !<
168	INTEGER(iwp) :: j !<
169	INTEGER(iwp) :: k !<
170	INTEGER(iwp) :: n !<
171	INTEGER(iwp) :: netcdf_data_format_save !<
172	INTEGER(iwp) :: psi !<
173	INTEGER(iwp) :: sender !<
174	INTEGER(iwp) :: ind(6) !<
175
176	LOGICAL :: found !<
177	LOGICAL :: resorted !<
178
179	REAL(wp) :: mean_r !<
180	REAL(wp) :: s_r2 !<
181	REAL(wp) :: s_r3 !<
182
183	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
184	#if defined( __parallel )
185	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: total_pf !<
186	#endif
187	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
188
189	!
190	!-- Return, if nothing to output
191	IF ( domask_no(mid,av) == 0 ) RETURN
192
193	CALL cpu_log (log_point(49),'data_output_mask','start')
194
195	!
196	!-- Parallel netcdf output is not tested so far for masked data, hence
197	!-- netcdf_data_format is switched back to non-paralell output.
198	netcdf_data_format_save = netcdf_data_format
199	IF ( netcdf_data_format == 5 ) netcdf_data_format = 3
200	IF ( netcdf_data_format == 6 ) netcdf_data_format = 4
201
202	!
203	!-- Open output file.
204	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
205	CALL check_open( 200+mid+av*max_masks )
206	ENDIF
207
208	!
209	!-- Allocate total and local output arrays.
210	#if defined( __parallel )
211	IF ( myid == 0 ) THEN
212	ALLOCATE( total_pf(mask_size(mid,1),mask_size(mid,2),mask_size(mid,3)) )
213	ENDIF
214	#endif
215	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
216	mask_size_l(mid,3)) )
217
218	!
219	!-- Update the netCDF time axis.
220	domask_time_count(mid,av) = domask_time_count(mid,av) + 1
221	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
222	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), id_var_time_mask(mid,av), &
223	(/ simulated_time /), &
224	start = (/ domask_time_count(mid,av) /), &
225	count = (/ 1 /) )
226	CALL netcdf_handle_error( 'data_output_mask', 460 )
227	ENDIF
228
229	!
230	!-- Loop over all variables to be written.
231	ivar = 1
232
233	DO WHILE ( domask(mid,av,ivar)(1:1) /= ' ' )
234	!
235	!-- Reallocate local_pf on PE 0 since its shape changes during MPI exchange
236	IF ( netcdf_data_format < 5 .AND. myid == 0 .AND. ivar > 1 ) THEN
237	DEALLOCATE( local_pf )
238	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
239	mask_size_l(mid,3)) )
240	ENDIF
241	!
242	!-- Set flag to steer output of radiation, land-surface, or user-defined
243	!-- quantities
244	found = .FALSE.
245	!
246	!-- Store the variable chosen.
247	resorted = .FALSE.
248	SELECT CASE ( TRIM( domask(mid,av,ivar) ) )
249
250	CASE ( 'e' )
251	IF ( av == 0 ) THEN
252	to_be_resorted => e
253	ELSE
254	to_be_resorted => e_av
255	ENDIF
256
257	CASE ( 'lpt' )
258	IF ( av == 0 ) THEN
259	to_be_resorted => pt
260	ELSE
261	to_be_resorted => lpt_av
262	ENDIF
263
264	CASE ( 'nc' )
265	IF ( av == 0 ) THEN
266	to_be_resorted => nc
267	ELSE
268	to_be_resorted => nc_av
269	ENDIF
270
271	CASE ( 'nr' )
272	IF ( av == 0 ) THEN
273	to_be_resorted => nr
274	ELSE
275	to_be_resorted => nr_av
276	ENDIF
277
278	CASE ( 'p' )
279	IF ( av == 0 ) THEN
280	to_be_resorted => p
281	ELSE
282	to_be_resorted => p_av
283	ENDIF
284
285	CASE ( 'pc' ) ! particle concentration (requires ghostpoint exchange)
286	IF ( av == 0 ) THEN
287	tend = prt_count
288	CALL exchange_horiz( tend, nbgp )
289	DO i = 1, mask_size_l(mid,1)
290	DO j = 1, mask_size_l(mid,2)
291	DO k = 1, mask_size_l(mid,3)
292	local_pf(i,j,k) = tend(mask_k(mid,k), &
293	mask_j(mid,j),mask_i(mid,i))
294	ENDDO
295	ENDDO
296	ENDDO
297	resorted = .TRUE.
298	ELSE
299	CALL exchange_horiz( pc_av, nbgp )
300	to_be_resorted => pc_av
301	ENDIF
302
303	CASE ( 'pr' ) ! mean particle radius (effective radius)
304	IF ( av == 0 ) THEN
305	IF ( simulated_time >= particle_advection_start ) THEN
306	DO i = nxl, nxr
307	DO j = nys, nyn
308	DO k = nzb, nz_do3d
309	number_of_particles = prt_count(k,j,i)
310	IF (number_of_particles <= 0) CYCLE
311	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
312	s_r2 = 0.0_wp
313	s_r3 = 0.0_wp
314	DO n = 1, number_of_particles
315	IF ( particles(n)%particle_mask ) THEN
316	s_r2 = s_r2 + grid_particles(k,j,i)%particles(n)%radius*2 &
317	grid_particles(k,j,i)%particles(n)%weight_factor
318	s_r3 = s_r3 + grid_particles(k,j,i)%particles(n)%radius*3 &
319	grid_particles(k,j,i)%particles(n)%weight_factor
320	ENDIF
321	ENDDO
322	IF ( s_r2 > 0.0_wp ) THEN
323	mean_r = s_r3 / s_r2
324	ELSE
325	mean_r = 0.0_wp
326	ENDIF
327	tend(k,j,i) = mean_r
328	ENDDO
329	ENDDO
330	ENDDO
331	CALL exchange_horiz( tend, nbgp )
332	ELSE
333	tend = 0.0_wp
334	ENDIF
335	DO i = 1, mask_size_l(mid,1)
336	DO j = 1, mask_size_l(mid,2)
337	DO k = 1, mask_size_l(mid,3)
338	local_pf(i,j,k) = tend(mask_k(mid,k), &
339	mask_j(mid,j),mask_i(mid,i))
340	ENDDO
341	ENDDO
342	ENDDO
343	resorted = .TRUE.
344	ELSE
345	CALL exchange_horiz( pr_av, nbgp )
346	to_be_resorted => pr_av
347	ENDIF
348
349	CASE ( 'pt' )
350	IF ( av == 0 ) THEN
351	IF ( .NOT. cloud_physics ) THEN
352	to_be_resorted => pt
353	ELSE
354	DO i = 1, mask_size_l(mid,1)
355	DO j = 1, mask_size_l(mid,2)
356	DO k = 1, mask_size_l(mid,3)
357	local_pf(i,j,k) = &
358	pt(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) &
359	+ l_d_cp * pt_d_t(mask_k(mid,k)) * &
360	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
361	ENDDO
362	ENDDO
363	ENDDO
364	resorted = .TRUE.
365	ENDIF
366	ELSE
367	to_be_resorted => pt_av
368	ENDIF
369
370	CASE ( 'q' )
371	IF ( av == 0 ) THEN
372	to_be_resorted => q
373	ELSE
374	to_be_resorted => q_av
375	ENDIF
376
377	CASE ( 'qc' )
378	IF ( av == 0 ) THEN
379	to_be_resorted => qc
380	ELSE
381	to_be_resorted => qc_av
382	ENDIF
383
384	CASE ( 'ql' )
385	IF ( av == 0 ) THEN
386	to_be_resorted => ql
387	ELSE
388	to_be_resorted => ql_av
389	ENDIF
390
391	CASE ( 'ql_c' )
392	IF ( av == 0 ) THEN
393	to_be_resorted => ql_c
394	ELSE
395	to_be_resorted => ql_c_av
396	ENDIF
397
398	CASE ( 'ql_v' )
399	IF ( av == 0 ) THEN
400	to_be_resorted => ql_v
401	ELSE
402	to_be_resorted => ql_v_av
403	ENDIF
404
405	CASE ( 'ql_vp' )
406	IF ( av == 0 ) THEN
407	IF ( simulated_time >= particle_advection_start ) THEN
408	DO i = nxl, nxr
409	DO j = nys, nyn
410	DO k = nzb, nz_do3d
411	number_of_particles = prt_count(k,j,i)
412	IF (number_of_particles <= 0) CYCLE
413	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
414	DO n = 1, number_of_particles
415	IF ( particles(n)%particle_mask ) THEN
416	tend(k,j,i) = tend(k,j,i) + &
417	particles(n)%weight_factor / &
418	prt_count(k,j,i)
419	ENDIF
420	ENDDO
421	ENDDO
422	ENDDO
423	ENDDO
424	CALL exchange_horiz( tend, nbgp )
425	ELSE
426	tend = 0.0_wp
427	ENDIF
428	DO i = 1, mask_size_l(mid,1)
429	DO j = 1, mask_size_l(mid,2)
430	DO k = 1, mask_size_l(mid,3)
431	local_pf(i,j,k) = tend(mask_k(mid,k), &
432	mask_j(mid,j),mask_i(mid,i))
433	ENDDO
434	ENDDO
435	ENDDO
436	resorted = .TRUE.
437	ELSE
438	CALL exchange_horiz( ql_vp_av, nbgp )
439	to_be_resorted => ql_vp_av
440	ENDIF
441
442	CASE ( 'qv' )
443	IF ( av == 0 ) THEN
444	DO i = 1, mask_size_l(mid,1)
445	DO j = 1, mask_size_l(mid,2)
446	DO k = 1, mask_size_l(mid,3)
447	local_pf(i,j,k) = &
448	q(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) - &
449	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
450	ENDDO
451	ENDDO
452	ENDDO
453	resorted = .TRUE.
454	ELSE
455	to_be_resorted => qv_av
456	ENDIF
457
458	CASE ( 'qr' )
459	IF ( av == 0 ) THEN
460	to_be_resorted => qr
461	ELSE
462	to_be_resorted => qr_av
463	ENDIF
464
465	CASE ( 'rho_ocean' )
466	IF ( av == 0 ) THEN
467	to_be_resorted => rho_ocean
468	ELSE
469	to_be_resorted => rho_ocean_av
470	ENDIF
471
472	CASE ( 's' )
473	IF ( av == 0 ) THEN
474	to_be_resorted => s
475	ELSE
476	to_be_resorted => s_av
477	ENDIF
478
479	CASE ( 'sa' )
480	IF ( av == 0 ) THEN
481	to_be_resorted => sa
482	ELSE
483	to_be_resorted => sa_av
484	ENDIF
485
486	CASE ( 'u' )
487	IF ( av == 0 ) THEN
488	to_be_resorted => u
489	ELSE
490	to_be_resorted => u_av
491	ENDIF
492
493	CASE ( 'v' )
494	IF ( av == 0 ) THEN
495	to_be_resorted => v
496	ELSE
497	to_be_resorted => v_av
498	ENDIF
499
500	CASE ( 'vpt' )
501	IF ( av == 0 ) THEN
502	to_be_resorted => vpt
503	ELSE
504	to_be_resorted => vpt_av
505	ENDIF
506
507	CASE ( 'w' )
508	IF ( av == 0 ) THEN
509	to_be_resorted => w
510	ELSE
511	to_be_resorted => w_av
512	ENDIF
513
514	CASE DEFAULT
515
516	!
517	!-- Radiation quantity
518	IF ( radiation ) THEN
519	CALL radiation_data_output_mask(av, domask(mid,av,ivar), found,&
520	local_pf )
521	ENDIF
522
523	!
524	!-- User defined quantity
525	IF ( .NOT. found ) THEN
526	CALL user_data_output_mask(av, domask(mid,av,ivar), found, &
527	local_pf )
528	ENDIF
529
530	resorted = .TRUE.
531
532	IF ( .NOT. found ) THEN
533	WRITE ( message_string, * ) 'no masked output available for: ',&
534	TRIM( domask(mid,av,ivar) )
535	CALL message( 'data_output_mask', 'PA0327', 0, 0, 0, 6, 0 )
536	ENDIF
537
538	END SELECT
539
540	!
541	!-- Resort the array to be output, if not done above
542	IF ( .NOT. resorted ) THEN
543	DO i = 1, mask_size_l(mid,1)
544	DO j = 1, mask_size_l(mid,2)
545	DO k = 1, mask_size_l(mid,3)
546	local_pf(i,j,k) = to_be_resorted(mask_k(mid,k), &
547	mask_j(mid,j),mask_i(mid,i))
548	ENDDO
549	ENDDO
550	ENDDO
551	ENDIF
552
553	!
554	!-- I/O block. I/O methods are implemented
555	!-- (1) for parallel execution
556	!-- a. with netCDF 4 parallel I/O-enabled library
557	!-- b. with netCDF 3 library
558	!-- (2) for serial execution.
559	!-- The choice of method depends on the correct setting of preprocessor
560	!-- directives __parallel and __netcdf4_parallel as well as on the parameter
561	!-- netcdf_data_format.
562	#if defined( __parallel )
563	#if defined( __netcdf4_parallel )
564	IF ( netcdf_data_format > 4 ) THEN
565	!
566	!-- (1) a. Parallel I/O using netCDF 4 (not yet tested)
567	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
568	id_var_domask(mid,av,ivar), local_pf, &
569	start = (/ mask_start_l(mid,1), mask_start_l(mid,2), &
570	mask_start_l(mid,3), domask_time_count(mid,av) /), &
571	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
572	mask_size_l(mid,3), 1 /) )
573	CALL netcdf_handle_error( 'data_output_mask', 461 )
574	ELSE
575	#endif
576	!
577	!-- (1) b. Conventional I/O only through PE0
578	!-- PE0 receives partial arrays from all processors of the respective mask
579	!-- and outputs them. Here a barrier has to be set, because otherwise
580	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
581	CALL MPI_BARRIER( comm2d, ierr )
582
583	ngp = mask_size_l(mid,1) * mask_size_l(mid,2) * mask_size_l(mid,3)
584	IF ( myid == 0 ) THEN
585	!
586	!-- Local array can be relocated directly.
587	total_pf( &
588	mask_start_l(mid,1):mask_start_l(mid,1)+mask_size_l(mid,1)-1, &
589	mask_start_l(mid,2):mask_start_l(mid,2)+mask_size_l(mid,2)-1, &
590	mask_start_l(mid,3):mask_start_l(mid,3)+mask_size_l(mid,3)-1 ) &
591	= local_pf
592	!
593	!-- Receive data from all other PEs.
594	DO n = 1, numprocs-1
595	!
596	!-- Receive index limits first, then array.
597	!-- Index limits are received in arbitrary order from the PEs.
598	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
599	comm2d, status, ierr )
600	!
601	!-- Not all PEs have data for the mask
602	IF ( ind(1) /= -9999 ) THEN
603	ngp = ( ind(2)-ind(1)+1 ) * (ind(4)-ind(3)+1 ) * &
604	( ind(6)-ind(5)+1 )
605	sender = status(MPI_SOURCE)
606	DEALLOCATE( local_pf )
607	ALLOCATE(local_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)))
608	CALL MPI_RECV( local_pf(ind(1),ind(3),ind(5)), ngp, &
609	MPI_REAL, sender, 1, comm2d, status, ierr )
610	total_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)) &
611	= local_pf
612	ENDIF
613	ENDDO
614
615	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
616	id_var_domask(mid,av,ivar), total_pf, &
617	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
618	count = (/ mask_size(mid,1), mask_size(mid,2), &
619	mask_size(mid,3), 1 /) )
620	CALL netcdf_handle_error( 'data_output_mask', 462 )
621
622	ELSE
623	!
624	!-- If at least part of the mask resides on the PE, send the index
625	!-- limits for the target array, otherwise send -9999 to PE0.
626	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
627	mask_size_l(mid,3) > 0 ) &
628	THEN
629	ind(1) = mask_start_l(mid,1)
630	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
631	ind(3) = mask_start_l(mid,2)
632	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
633	ind(5) = mask_start_l(mid,3)
634	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
635	ELSE
636	ind(1) = -9999; ind(2) = -9999
637	ind(3) = -9999; ind(4) = -9999
638	ind(5) = -9999; ind(6) = -9999
639	ENDIF
640	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
641	!
642	!-- If applicable, send data to PE0.
643	IF ( ind(1) /= -9999 ) THEN
644	CALL MPI_SEND( local_pf(1,1,1), ngp, MPI_REAL, 0, 1, comm2d, &
645	ierr )
646	ENDIF
647	ENDIF
648	!
649	!-- A barrier has to be set, because otherwise some PEs may proceed too
650	!-- fast so that PE0 may receive wrong data on tag 0.
651	CALL MPI_BARRIER( comm2d, ierr )
652	#if defined( __netcdf4_parallel )
653	ENDIF
654	#endif
655	#else
656	!
657	!-- (2) For serial execution of PALM, the single processor (PE0) holds all
658	!-- data and writes them directly to file.
659	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
660	id_var_domask(mid,av,ivar), local_pf, &
661	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
662	count = (/ mask_size_l(mid,1), mask_size_l(mid,2),&
663	mask_size_l(mid,3), 1 /) )
664	CALL netcdf_handle_error( 'data_output_mask', 463 )
665	#endif
666
667	ivar = ivar + 1
668
669	ENDDO
670
671	!
672	!-- Deallocate temporary arrays.
673	DEALLOCATE( local_pf )
674	#if defined( __parallel )
675	IF ( myid == 0 ) THEN
676	DEALLOCATE( total_pf )
677	ENDIF
678	#endif
679
680	!
681	!-- Switch back to original format given by user (see beginning of this routine)
682	netcdf_data_format = netcdf_data_format_save
683
684	CALL cpu_log( log_point(49), 'data_output_mask', 'stop' )
685	#endif
686
687	END SUBROUTINE data_output_mask

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