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source: palm/trunk/SOURCE/data_output_mask.f90 @ 3135

Last change on this file since 3135 was 3083, checked in by gronemeier, 6 years ago
merge with branch rans
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File size: 24.7 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 3083 2018-06-19 14:03:12Z gronemeier $
27	!
28	!
29	! 3045 2018-05-28 07:55:41Z Giersch
30	! Error messages revised
31	!
32	! 3030 2018-05-23 14:37:00Z raasch
33	! variable if renamed ivar
34	!
35	! 2718 2018-01-02 08:49:38Z maronga
36	! Corrected "Former revisions" section
37	!
38	! 2696 2017-12-14 17:12:51Z kanani
39	! Change in file header (GPL part)
40	!
41	! 2292 2017-06-20 09:51:42Z schwenkel
42	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
43	! includes two more prognostic equations for cloud drop concentration (nc)
44	! and cloud water content (qc).
45	!
46	! 2101 2017-01-05 16:42:31Z suehring
47	!
48	! 2031 2016-10-21 15:11:58Z knoop
49	! renamed variable rho to rho_ocean and rho_av to rho_ocean_av
50	!
51	! 2000 2016-08-20 18:09:15Z knoop
52	! Forced header and separation lines into 80 columns
53	!
54	! 1980 2016-07-29 15:51:57Z suehring
55	! Bugfix, in order to steer user-defined output, setting flag found explicitly
56	! to .F.
57	!
58	! 1976 2016-07-27 13:28:04Z maronga
59	! Output of radiation quantities is now done directly in the respective module
60	!
61	! 1960 2016-07-12 16:34:24Z suehring
62	! Separate humidity and passive scalar
63	!
64	! 2016-03-06 18:36:17Z raasch
65	! name change of netcdf routines and module + related changes,
66	! switch back of netcdf data format moved from time integration routine to here
67	!
68	! 1691 2015-10-26 16:17:44Z maronga
69	! Added output of radiative heating rates for RRTMG
70	!
71	! 1682 2015-10-07 23:56:08Z knoop
72	! Code annotations made doxygen readable
73	!
74	! 1585 2015-04-30 07:05:52Z maronga
75	! Added support for RRTMG
76	!
77	! 1438 2014-07-22 14:14:06Z heinze
78	! +nr, qc, qr
79	!
80	! 1359 2014-04-11 17:15:14Z hoffmann
81	! New particle structure integrated.
82	!
83	! 1353 2014-04-08 15:21:23Z heinze
84	! REAL constants provided with KIND-attribute
85	!
86	! 1327 2014-03-21 11:00:16Z raasch
87	!
88	!
89	! 1320 2014-03-20 08:40:49Z raasch
90	! ONLY-attribute added to USE-statements,
91	! kind-parameters added to all INTEGER and REAL declaration statements,
92	! kinds are defined in new module kinds,
93	! revision history before 2012 removed,
94	! comment fields (!:) to be used for variable explanations added to
95	! all variable declaration statements
96	!
97	! 1318 2014-03-17 13:35:16Z raasch
98	! barrier argument removed from cpu_log,
99	! module interfaces removed
100	!
101	! 1092 2013-02-02 11:24:22Z raasch
102	! unused variables removed
103	!
104	! 1036 2012-10-22 13:43:42Z raasch
105	! code put under GPL (PALM 3.9)
106	!
107	! 1031 2012-10-19 14:35:30Z raasch
108	! netCDF4 without parallel file support implemented
109	!
110	! 1007 2012-09-19 14:30:36Z franke
111	! Bugfix: calculation of pr must depend on the particle weighting factor,
112	! missing calculation of ql_vp added
113	!
114	! 410 2009-12-04 17:05:40Z letzel
115	! Initial version
116	!
117	! Description:
118	! ------------
119	!> Masked data output in netCDF format for current mask (current value of mid).
120	!------------------------------------------------------------------------------!
121	SUBROUTINE data_output_mask( av )
122
123
124
125	#if defined( __netcdf )
126	USE arrays_3d, &
127	ONLY: e, nc, nr, p, pt, q, qc, ql, ql_c, ql_v, qr, rho_ocean, s, sa, &
128	tend, u, v, vpt, w
129
130	USE averaging, &
131	ONLY: e_av, lpt_av, nc_av, nr_av, p_av, pc_av, pr_av, pt_av, q_av, &
132	qc_av, ql_av, ql_c_av, ql_v_av, ql_vp_av, qv_av, qr_av, &
133	rho_ocean_av, s_av, sa_av, u_av, v_av, vpt_av, w_av
134
135	USE cloud_parameters, &
136	ONLY: l_d_cp, pt_d_t
137
138	USE control_parameters, &
139	ONLY: cloud_physics, domask, domask_no, domask_time_count, mask_i, &
140	mask_j, mask_k, mask_size, mask_size_l, mask_start_l, &
141	max_masks, message_string, mid, nz_do3d, simulated_time
142	USE cpulog, &
143	ONLY: cpu_log, log_point
144
145	USE indices, &
146	ONLY: nbgp, nxl, nxr, nyn, nys, nzb, nzt
147
148	USE kinds
149
150	USE NETCDF
151
152	USE netcdf_interface, &
153	ONLY: id_set_mask, id_var_domask, id_var_time_mask, nc_stat, &
154	netcdf_data_format, netcdf_handle_error
155
156	USE particle_attributes, &
157	ONLY: grid_particles, number_of_particles, particles, &
158	particle_advection_start, prt_count
159
160	USE pegrid
161
162	USE radiation_model_mod, &
163	ONLY: radiation, radiation_data_output_mask
164
165	IMPLICIT NONE
166
167	INTEGER(iwp) :: av !<
168	INTEGER(iwp) :: ngp !<
169	INTEGER(iwp) :: i !<
170	INTEGER(iwp) :: ivar !<
171	INTEGER(iwp) :: j !<
172	INTEGER(iwp) :: k !<
173	INTEGER(iwp) :: n !<
174	INTEGER(iwp) :: netcdf_data_format_save !<
175	INTEGER(iwp) :: psi !<
176	INTEGER(iwp) :: sender !<
177	INTEGER(iwp) :: ind(6) !<
178
179	LOGICAL :: found !<
180	LOGICAL :: resorted !<
181
182	REAL(wp) :: mean_r !<
183	REAL(wp) :: s_r2 !<
184	REAL(wp) :: s_r3 !<
185
186	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
187	#if defined( __parallel )
188	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: total_pf !<
189	#endif
190	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
191
192	!
193	!-- Return, if nothing to output
194	IF ( domask_no(mid,av) == 0 ) RETURN
195
196	CALL cpu_log (log_point(49),'data_output_mask','start')
197
198	!
199	!-- Parallel netcdf output is not tested so far for masked data, hence
200	!-- netcdf_data_format is switched back to non-paralell output.
201	netcdf_data_format_save = netcdf_data_format
202	IF ( netcdf_data_format == 5 ) netcdf_data_format = 3
203	IF ( netcdf_data_format == 6 ) netcdf_data_format = 4
204
205	!
206	!-- Open output file.
207	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
208	CALL check_open( 200+mid+av*max_masks )
209	ENDIF
210
211	!
212	!-- Allocate total and local output arrays.
213	#if defined( __parallel )
214	IF ( myid == 0 ) THEN
215	ALLOCATE( total_pf(mask_size(mid,1),mask_size(mid,2),mask_size(mid,3)) )
216	ENDIF
217	#endif
218	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
219	mask_size_l(mid,3)) )
220
221	!
222	!-- Update the netCDF time axis.
223	domask_time_count(mid,av) = domask_time_count(mid,av) + 1
224	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
225	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), id_var_time_mask(mid,av), &
226	(/ simulated_time /), &
227	start = (/ domask_time_count(mid,av) /), &
228	count = (/ 1 /) )
229	CALL netcdf_handle_error( 'data_output_mask', 460 )
230	ENDIF
231
232	!
233	!-- Loop over all variables to be written.
234	ivar = 1
235
236	DO WHILE ( domask(mid,av,ivar)(1:1) /= ' ' )
237	!
238	!-- Reallocate local_pf on PE 0 since its shape changes during MPI exchange
239	IF ( netcdf_data_format < 5 .AND. myid == 0 .AND. ivar > 1 ) THEN
240	DEALLOCATE( local_pf )
241	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
242	mask_size_l(mid,3)) )
243	ENDIF
244	!
245	!-- Set flag to steer output of radiation, land-surface, or user-defined
246	!-- quantities
247	found = .FALSE.
248	!
249	!-- Store the variable chosen.
250	resorted = .FALSE.
251	SELECT CASE ( TRIM( domask(mid,av,ivar) ) )
252
253	CASE ( 'e' )
254	IF ( av == 0 ) THEN
255	to_be_resorted => e
256	ELSE
257	to_be_resorted => e_av
258	ENDIF
259
260	CASE ( 'lpt' )
261	IF ( av == 0 ) THEN
262	to_be_resorted => pt
263	ELSE
264	to_be_resorted => lpt_av
265	ENDIF
266
267	CASE ( 'nc' )
268	IF ( av == 0 ) THEN
269	to_be_resorted => nc
270	ELSE
271	to_be_resorted => nc_av
272	ENDIF
273
274	CASE ( 'nr' )
275	IF ( av == 0 ) THEN
276	to_be_resorted => nr
277	ELSE
278	to_be_resorted => nr_av
279	ENDIF
280
281	CASE ( 'p' )
282	IF ( av == 0 ) THEN
283	to_be_resorted => p
284	ELSE
285	to_be_resorted => p_av
286	ENDIF
287
288	CASE ( 'pc' ) ! particle concentration (requires ghostpoint exchange)
289	IF ( av == 0 ) THEN
290	tend = prt_count
291	CALL exchange_horiz( tend, nbgp )
292	DO i = 1, mask_size_l(mid,1)
293	DO j = 1, mask_size_l(mid,2)
294	DO k = 1, mask_size_l(mid,3)
295	local_pf(i,j,k) = tend(mask_k(mid,k), &
296	mask_j(mid,j),mask_i(mid,i))
297	ENDDO
298	ENDDO
299	ENDDO
300	resorted = .TRUE.
301	ELSE
302	CALL exchange_horiz( pc_av, nbgp )
303	to_be_resorted => pc_av
304	ENDIF
305
306	CASE ( 'pr' ) ! mean particle radius (effective radius)
307	IF ( av == 0 ) THEN
308	IF ( simulated_time >= particle_advection_start ) THEN
309	DO i = nxl, nxr
310	DO j = nys, nyn
311	DO k = nzb, nz_do3d
312	number_of_particles = prt_count(k,j,i)
313	IF (number_of_particles <= 0) CYCLE
314	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
315	s_r2 = 0.0_wp
316	s_r3 = 0.0_wp
317	DO n = 1, number_of_particles
318	IF ( particles(n)%particle_mask ) THEN
319	s_r2 = s_r2 + grid_particles(k,j,i)%particles(n)%radius*2 &
320	grid_particles(k,j,i)%particles(n)%weight_factor
321	s_r3 = s_r3 + grid_particles(k,j,i)%particles(n)%radius*3 &
322	grid_particles(k,j,i)%particles(n)%weight_factor
323	ENDIF
324	ENDDO
325	IF ( s_r2 > 0.0_wp ) THEN
326	mean_r = s_r3 / s_r2
327	ELSE
328	mean_r = 0.0_wp
329	ENDIF
330	tend(k,j,i) = mean_r
331	ENDDO
332	ENDDO
333	ENDDO
334	CALL exchange_horiz( tend, nbgp )
335	ELSE
336	tend = 0.0_wp
337	ENDIF
338	DO i = 1, mask_size_l(mid,1)
339	DO j = 1, mask_size_l(mid,2)
340	DO k = 1, mask_size_l(mid,3)
341	local_pf(i,j,k) = tend(mask_k(mid,k), &
342	mask_j(mid,j),mask_i(mid,i))
343	ENDDO
344	ENDDO
345	ENDDO
346	resorted = .TRUE.
347	ELSE
348	CALL exchange_horiz( pr_av, nbgp )
349	to_be_resorted => pr_av
350	ENDIF
351
352	CASE ( 'pt' )
353	IF ( av == 0 ) THEN
354	IF ( .NOT. cloud_physics ) THEN
355	to_be_resorted => pt
356	ELSE
357	DO i = 1, mask_size_l(mid,1)
358	DO j = 1, mask_size_l(mid,2)
359	DO k = 1, mask_size_l(mid,3)
360	local_pf(i,j,k) = &
361	pt(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) &
362	+ l_d_cp * pt_d_t(mask_k(mid,k)) * &
363	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
364	ENDDO
365	ENDDO
366	ENDDO
367	resorted = .TRUE.
368	ENDIF
369	ELSE
370	to_be_resorted => pt_av
371	ENDIF
372
373	CASE ( 'q' )
374	IF ( av == 0 ) THEN
375	to_be_resorted => q
376	ELSE
377	to_be_resorted => q_av
378	ENDIF
379
380	CASE ( 'qc' )
381	IF ( av == 0 ) THEN
382	to_be_resorted => qc
383	ELSE
384	to_be_resorted => qc_av
385	ENDIF
386
387	CASE ( 'ql' )
388	IF ( av == 0 ) THEN
389	to_be_resorted => ql
390	ELSE
391	to_be_resorted => ql_av
392	ENDIF
393
394	CASE ( 'ql_c' )
395	IF ( av == 0 ) THEN
396	to_be_resorted => ql_c
397	ELSE
398	to_be_resorted => ql_c_av
399	ENDIF
400
401	CASE ( 'ql_v' )
402	IF ( av == 0 ) THEN
403	to_be_resorted => ql_v
404	ELSE
405	to_be_resorted => ql_v_av
406	ENDIF
407
408	CASE ( 'ql_vp' )
409	IF ( av == 0 ) THEN
410	IF ( simulated_time >= particle_advection_start ) THEN
411	DO i = nxl, nxr
412	DO j = nys, nyn
413	DO k = nzb, nz_do3d
414	number_of_particles = prt_count(k,j,i)
415	IF (number_of_particles <= 0) CYCLE
416	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
417	DO n = 1, number_of_particles
418	IF ( particles(n)%particle_mask ) THEN
419	tend(k,j,i) = tend(k,j,i) + &
420	particles(n)%weight_factor / &
421	prt_count(k,j,i)
422	ENDIF
423	ENDDO
424	ENDDO
425	ENDDO
426	ENDDO
427	CALL exchange_horiz( tend, nbgp )
428	ELSE
429	tend = 0.0_wp
430	ENDIF
431	DO i = 1, mask_size_l(mid,1)
432	DO j = 1, mask_size_l(mid,2)
433	DO k = 1, mask_size_l(mid,3)
434	local_pf(i,j,k) = tend(mask_k(mid,k), &
435	mask_j(mid,j),mask_i(mid,i))
436	ENDDO
437	ENDDO
438	ENDDO
439	resorted = .TRUE.
440	ELSE
441	CALL exchange_horiz( ql_vp_av, nbgp )
442	to_be_resorted => ql_vp_av
443	ENDIF
444
445	CASE ( 'qv' )
446	IF ( av == 0 ) THEN
447	DO i = 1, mask_size_l(mid,1)
448	DO j = 1, mask_size_l(mid,2)
449	DO k = 1, mask_size_l(mid,3)
450	local_pf(i,j,k) = &
451	q(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) - &
452	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
453	ENDDO
454	ENDDO
455	ENDDO
456	resorted = .TRUE.
457	ELSE
458	to_be_resorted => qv_av
459	ENDIF
460
461	CASE ( 'qr' )
462	IF ( av == 0 ) THEN
463	to_be_resorted => qr
464	ELSE
465	to_be_resorted => qr_av
466	ENDIF
467
468	CASE ( 'rho_ocean' )
469	IF ( av == 0 ) THEN
470	to_be_resorted => rho_ocean
471	ELSE
472	to_be_resorted => rho_ocean_av
473	ENDIF
474
475	CASE ( 's' )
476	IF ( av == 0 ) THEN
477	to_be_resorted => s
478	ELSE
479	to_be_resorted => s_av
480	ENDIF
481
482	CASE ( 'sa' )
483	IF ( av == 0 ) THEN
484	to_be_resorted => sa
485	ELSE
486	to_be_resorted => sa_av
487	ENDIF
488
489	CASE ( 'u' )
490	IF ( av == 0 ) THEN
491	to_be_resorted => u
492	ELSE
493	to_be_resorted => u_av
494	ENDIF
495
496	CASE ( 'v' )
497	IF ( av == 0 ) THEN
498	to_be_resorted => v
499	ELSE
500	to_be_resorted => v_av
501	ENDIF
502
503	CASE ( 'vpt' )
504	IF ( av == 0 ) THEN
505	to_be_resorted => vpt
506	ELSE
507	to_be_resorted => vpt_av
508	ENDIF
509
510	CASE ( 'w' )
511	IF ( av == 0 ) THEN
512	to_be_resorted => w
513	ELSE
514	to_be_resorted => w_av
515	ENDIF
516
517	CASE DEFAULT
518
519	!
520	!-- Radiation quantity
521	IF ( radiation ) THEN
522	CALL radiation_data_output_mask(av, domask(mid,av,ivar), found,&
523	local_pf )
524	ENDIF
525
526	!
527	!-- User defined quantity
528	IF ( .NOT. found ) THEN
529	CALL user_data_output_mask(av, domask(mid,av,ivar), found, &
530	local_pf )
531	ENDIF
532
533	resorted = .TRUE.
534
535	IF ( .NOT. found ) THEN
536	WRITE ( message_string, * ) 'no masked output available for: ',&
537	TRIM( domask(mid,av,ivar) )
538	CALL message( 'data_output_mask', 'PA0327', 0, 0, 0, 6, 0 )
539	ENDIF
540
541	END SELECT
542
543	!
544	!-- Resort the array to be output, if not done above
545	IF ( .NOT. resorted ) THEN
546	DO i = 1, mask_size_l(mid,1)
547	DO j = 1, mask_size_l(mid,2)
548	DO k = 1, mask_size_l(mid,3)
549	local_pf(i,j,k) = to_be_resorted(mask_k(mid,k), &
550	mask_j(mid,j),mask_i(mid,i))
551	ENDDO
552	ENDDO
553	ENDDO
554	ENDIF
555
556	!
557	!-- I/O block. I/O methods are implemented
558	!-- (1) for parallel execution
559	!-- a. with netCDF 4 parallel I/O-enabled library
560	!-- b. with netCDF 3 library
561	!-- (2) for serial execution.
562	!-- The choice of method depends on the correct setting of preprocessor
563	!-- directives __parallel and __netcdf4_parallel as well as on the parameter
564	!-- netcdf_data_format.
565	#if defined( __parallel )
566	#if defined( __netcdf4_parallel )
567	IF ( netcdf_data_format > 4 ) THEN
568	!
569	!-- (1) a. Parallel I/O using netCDF 4 (not yet tested)
570	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
571	id_var_domask(mid,av,ivar), local_pf, &
572	start = (/ mask_start_l(mid,1), mask_start_l(mid,2), &
573	mask_start_l(mid,3), domask_time_count(mid,av) /), &
574	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
575	mask_size_l(mid,3), 1 /) )
576	CALL netcdf_handle_error( 'data_output_mask', 461 )
577	ELSE
578	#endif
579	!
580	!-- (1) b. Conventional I/O only through PE0
581	!-- PE0 receives partial arrays from all processors of the respective mask
582	!-- and outputs them. Here a barrier has to be set, because otherwise
583	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
584	CALL MPI_BARRIER( comm2d, ierr )
585
586	ngp = mask_size_l(mid,1) * mask_size_l(mid,2) * mask_size_l(mid,3)
587	IF ( myid == 0 ) THEN
588	!
589	!-- Local array can be relocated directly.
590	total_pf( &
591	mask_start_l(mid,1):mask_start_l(mid,1)+mask_size_l(mid,1)-1, &
592	mask_start_l(mid,2):mask_start_l(mid,2)+mask_size_l(mid,2)-1, &
593	mask_start_l(mid,3):mask_start_l(mid,3)+mask_size_l(mid,3)-1 ) &
594	= local_pf
595	!
596	!-- Receive data from all other PEs.
597	DO n = 1, numprocs-1
598	!
599	!-- Receive index limits first, then array.
600	!-- Index limits are received in arbitrary order from the PEs.
601	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
602	comm2d, status, ierr )
603	!
604	!-- Not all PEs have data for the mask
605	IF ( ind(1) /= -9999 ) THEN
606	ngp = ( ind(2)-ind(1)+1 ) * (ind(4)-ind(3)+1 ) * &
607	( ind(6)-ind(5)+1 )
608	sender = status(MPI_SOURCE)
609	DEALLOCATE( local_pf )
610	ALLOCATE(local_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)))
611	CALL MPI_RECV( local_pf(ind(1),ind(3),ind(5)), ngp, &
612	MPI_REAL, sender, 1, comm2d, status, ierr )
613	total_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)) &
614	= local_pf
615	ENDIF
616	ENDDO
617
618	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
619	id_var_domask(mid,av,ivar), total_pf, &
620	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
621	count = (/ mask_size(mid,1), mask_size(mid,2), &
622	mask_size(mid,3), 1 /) )
623	CALL netcdf_handle_error( 'data_output_mask', 462 )
624
625	ELSE
626	!
627	!-- If at least part of the mask resides on the PE, send the index
628	!-- limits for the target array, otherwise send -9999 to PE0.
629	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
630	mask_size_l(mid,3) > 0 ) &
631	THEN
632	ind(1) = mask_start_l(mid,1)
633	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
634	ind(3) = mask_start_l(mid,2)
635	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
636	ind(5) = mask_start_l(mid,3)
637	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
638	ELSE
639	ind(1) = -9999; ind(2) = -9999
640	ind(3) = -9999; ind(4) = -9999
641	ind(5) = -9999; ind(6) = -9999
642	ENDIF
643	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
644	!
645	!-- If applicable, send data to PE0.
646	IF ( ind(1) /= -9999 ) THEN
647	CALL MPI_SEND( local_pf(1,1,1), ngp, MPI_REAL, 0, 1, comm2d, &
648	ierr )
649	ENDIF
650	ENDIF
651	!
652	!-- A barrier has to be set, because otherwise some PEs may proceed too
653	!-- fast so that PE0 may receive wrong data on tag 0.
654	CALL MPI_BARRIER( comm2d, ierr )
655	#if defined( __netcdf4_parallel )
656	ENDIF
657	#endif
658	#else
659	!
660	!-- (2) For serial execution of PALM, the single processor (PE0) holds all
661	!-- data and writes them directly to file.
662	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
663	id_var_domask(mid,av,ivar), local_pf, &
664	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
665	count = (/ mask_size_l(mid,1), mask_size_l(mid,2),&
666	mask_size_l(mid,3), 1 /) )
667	CALL netcdf_handle_error( 'data_output_mask', 463 )
668	#endif
669
670	ivar = ivar + 1
671
672	ENDDO
673
674	!
675	!-- Deallocate temporary arrays.
676	DEALLOCATE( local_pf )
677	#if defined( __parallel )
678	IF ( myid == 0 ) THEN
679	DEALLOCATE( total_pf )
680	ENDIF
681	#endif
682
683	!
684	!-- Switch back to original format given by user (see beginning of this routine)
685	netcdf_data_format = netcdf_data_format_save
686
687	CALL cpu_log( log_point(49), 'data_output_mask', 'stop' )
688	#endif
689
690	END SUBROUTINE data_output_mask

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