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source: palm/trunk/SOURCE/data_output_mask.f90 @ 3254

Last change on this file since 3254 was 3241, checked in by raasch, 6 years ago
various changes to avoid compiler warnings (mainly removal of unused variables)
Property svn:keywords set to `Id`
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 3241 2018-09-12 15:02:00Z suehring $
27	! unused variable removed
28	!
29	! 3083 2018-06-19 14:03:12Z gronemeier
30	!
31	!
32	! 3045 2018-05-28 07:55:41Z Giersch
33	! Error messages revised
34	!
35	! 3030 2018-05-23 14:37:00Z raasch
36	! variable if renamed ivar
37	!
38	! 2718 2018-01-02 08:49:38Z maronga
39	! Corrected "Former revisions" section
40	!
41	! 2696 2017-12-14 17:12:51Z kanani
42	! Change in file header (GPL part)
43	!
44	! 2292 2017-06-20 09:51:42Z schwenkel
45	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
46	! includes two more prognostic equations for cloud drop concentration (nc)
47	! and cloud water content (qc).
48	!
49	! 2101 2017-01-05 16:42:31Z suehring
50	!
51	! 2031 2016-10-21 15:11:58Z knoop
52	! renamed variable rho to rho_ocean and rho_av to rho_ocean_av
53	!
54	! 2000 2016-08-20 18:09:15Z knoop
55	! Forced header and separation lines into 80 columns
56	!
57	! 1980 2016-07-29 15:51:57Z suehring
58	! Bugfix, in order to steer user-defined output, setting flag found explicitly
59	! to .F.
60	!
61	! 1976 2016-07-27 13:28:04Z maronga
62	! Output of radiation quantities is now done directly in the respective module
63	!
64	! 1960 2016-07-12 16:34:24Z suehring
65	! Separate humidity and passive scalar
66	!
67	! 2016-03-06 18:36:17Z raasch
68	! name change of netcdf routines and module + related changes,
69	! switch back of netcdf data format moved from time integration routine to here
70	!
71	! 1691 2015-10-26 16:17:44Z maronga
72	! Added output of radiative heating rates for RRTMG
73	!
74	! 1682 2015-10-07 23:56:08Z knoop
75	! Code annotations made doxygen readable
76	!
77	! 1585 2015-04-30 07:05:52Z maronga
78	! Added support for RRTMG
79	!
80	! 1438 2014-07-22 14:14:06Z heinze
81	! +nr, qc, qr
82	!
83	! 1359 2014-04-11 17:15:14Z hoffmann
84	! New particle structure integrated.
85	!
86	! 1353 2014-04-08 15:21:23Z heinze
87	! REAL constants provided with KIND-attribute
88	!
89	! 1327 2014-03-21 11:00:16Z raasch
90	!
91	!
92	! 1320 2014-03-20 08:40:49Z raasch
93	! ONLY-attribute added to USE-statements,
94	! kind-parameters added to all INTEGER and REAL declaration statements,
95	! kinds are defined in new module kinds,
96	! revision history before 2012 removed,
97	! comment fields (!:) to be used for variable explanations added to
98	! all variable declaration statements
99	!
100	! 1318 2014-03-17 13:35:16Z raasch
101	! barrier argument removed from cpu_log,
102	! module interfaces removed
103	!
104	! 1092 2013-02-02 11:24:22Z raasch
105	! unused variables removed
106	!
107	! 1036 2012-10-22 13:43:42Z raasch
108	! code put under GPL (PALM 3.9)
109	!
110	! 1031 2012-10-19 14:35:30Z raasch
111	! netCDF4 without parallel file support implemented
112	!
113	! 1007 2012-09-19 14:30:36Z franke
114	! Bugfix: calculation of pr must depend on the particle weighting factor,
115	! missing calculation of ql_vp added
116	!
117	! 410 2009-12-04 17:05:40Z letzel
118	! Initial version
119	!
120	! Description:
121	! ------------
122	!> Masked data output in netCDF format for current mask (current value of mid).
123	!------------------------------------------------------------------------------!
124	SUBROUTINE data_output_mask( av )
125
126
127
128	#if defined( __netcdf )
129	USE arrays_3d, &
130	ONLY: e, nc, nr, p, pt, q, qc, ql, ql_c, ql_v, qr, rho_ocean, s, sa, &
131	tend, u, v, vpt, w
132
133	USE averaging, &
134	ONLY: e_av, lpt_av, nc_av, nr_av, p_av, pc_av, pr_av, pt_av, q_av, &
135	qc_av, ql_av, ql_c_av, ql_v_av, ql_vp_av, qv_av, qr_av, &
136	rho_ocean_av, s_av, sa_av, u_av, v_av, vpt_av, w_av
137
138	USE cloud_parameters, &
139	ONLY: l_d_cp, pt_d_t
140
141	USE control_parameters, &
142	ONLY: cloud_physics, domask, domask_no, domask_time_count, mask_i, &
143	mask_j, mask_k, mask_size, mask_size_l, mask_start_l, &
144	max_masks, message_string, mid, nz_do3d, simulated_time
145	USE cpulog, &
146	ONLY: cpu_log, log_point
147
148	USE indices, &
149	ONLY: nbgp, nxl, nxr, nyn, nys, nzb
150
151	USE kinds
152
153	USE NETCDF
154
155	USE netcdf_interface, &
156	ONLY: id_set_mask, id_var_domask, id_var_time_mask, nc_stat, &
157	netcdf_data_format, netcdf_handle_error
158
159	USE particle_attributes, &
160	ONLY: grid_particles, number_of_particles, particles, &
161	particle_advection_start, prt_count
162
163	USE pegrid
164
165	USE radiation_model_mod, &
166	ONLY: radiation, radiation_data_output_mask
167
168	IMPLICIT NONE
169
170	INTEGER(iwp) :: av !<
171	INTEGER(iwp) :: ngp !<
172	INTEGER(iwp) :: i !<
173	INTEGER(iwp) :: ivar !<
174	INTEGER(iwp) :: j !<
175	INTEGER(iwp) :: k !<
176	INTEGER(iwp) :: n !<
177	INTEGER(iwp) :: netcdf_data_format_save !<
178	INTEGER(iwp) :: sender !<
179	INTEGER(iwp) :: ind(6) !<
180
181	LOGICAL :: found !<
182	LOGICAL :: resorted !<
183
184	REAL(wp) :: mean_r !<
185	REAL(wp) :: s_r2 !<
186	REAL(wp) :: s_r3 !<
187
188	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
189	#if defined( __parallel )
190	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: total_pf !<
191	#endif
192	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
193
194	!
195	!-- Return, if nothing to output
196	IF ( domask_no(mid,av) == 0 ) RETURN
197
198	CALL cpu_log (log_point(49),'data_output_mask','start')
199
200	!
201	!-- Parallel netcdf output is not tested so far for masked data, hence
202	!-- netcdf_data_format is switched back to non-paralell output.
203	netcdf_data_format_save = netcdf_data_format
204	IF ( netcdf_data_format == 5 ) netcdf_data_format = 3
205	IF ( netcdf_data_format == 6 ) netcdf_data_format = 4
206
207	!
208	!-- Open output file.
209	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
210	CALL check_open( 200+mid+av*max_masks )
211	ENDIF
212
213	!
214	!-- Allocate total and local output arrays.
215	#if defined( __parallel )
216	IF ( myid == 0 ) THEN
217	ALLOCATE( total_pf(mask_size(mid,1),mask_size(mid,2),mask_size(mid,3)) )
218	ENDIF
219	#endif
220	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
221	mask_size_l(mid,3)) )
222
223	!
224	!-- Update the netCDF time axis.
225	domask_time_count(mid,av) = domask_time_count(mid,av) + 1
226	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
227	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), id_var_time_mask(mid,av), &
228	(/ simulated_time /), &
229	start = (/ domask_time_count(mid,av) /), &
230	count = (/ 1 /) )
231	CALL netcdf_handle_error( 'data_output_mask', 460 )
232	ENDIF
233
234	!
235	!-- Loop over all variables to be written.
236	ivar = 1
237
238	DO WHILE ( domask(mid,av,ivar)(1:1) /= ' ' )
239	!
240	!-- Reallocate local_pf on PE 0 since its shape changes during MPI exchange
241	IF ( netcdf_data_format < 5 .AND. myid == 0 .AND. ivar > 1 ) THEN
242	DEALLOCATE( local_pf )
243	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
244	mask_size_l(mid,3)) )
245	ENDIF
246	!
247	!-- Set flag to steer output of radiation, land-surface, or user-defined
248	!-- quantities
249	found = .FALSE.
250	!
251	!-- Store the variable chosen.
252	resorted = .FALSE.
253	SELECT CASE ( TRIM( domask(mid,av,ivar) ) )
254
255	CASE ( 'e' )
256	IF ( av == 0 ) THEN
257	to_be_resorted => e
258	ELSE
259	to_be_resorted => e_av
260	ENDIF
261
262	CASE ( 'lpt' )
263	IF ( av == 0 ) THEN
264	to_be_resorted => pt
265	ELSE
266	to_be_resorted => lpt_av
267	ENDIF
268
269	CASE ( 'nc' )
270	IF ( av == 0 ) THEN
271	to_be_resorted => nc
272	ELSE
273	to_be_resorted => nc_av
274	ENDIF
275
276	CASE ( 'nr' )
277	IF ( av == 0 ) THEN
278	to_be_resorted => nr
279	ELSE
280	to_be_resorted => nr_av
281	ENDIF
282
283	CASE ( 'p' )
284	IF ( av == 0 ) THEN
285	to_be_resorted => p
286	ELSE
287	to_be_resorted => p_av
288	ENDIF
289
290	CASE ( 'pc' ) ! particle concentration (requires ghostpoint exchange)
291	IF ( av == 0 ) THEN
292	tend = prt_count
293	CALL exchange_horiz( tend, nbgp )
294	DO i = 1, mask_size_l(mid,1)
295	DO j = 1, mask_size_l(mid,2)
296	DO k = 1, mask_size_l(mid,3)
297	local_pf(i,j,k) = tend(mask_k(mid,k), &
298	mask_j(mid,j),mask_i(mid,i))
299	ENDDO
300	ENDDO
301	ENDDO
302	resorted = .TRUE.
303	ELSE
304	CALL exchange_horiz( pc_av, nbgp )
305	to_be_resorted => pc_av
306	ENDIF
307
308	CASE ( 'pr' ) ! mean particle radius (effective radius)
309	IF ( av == 0 ) THEN
310	IF ( simulated_time >= particle_advection_start ) THEN
311	DO i = nxl, nxr
312	DO j = nys, nyn
313	DO k = nzb, nz_do3d
314	number_of_particles = prt_count(k,j,i)
315	IF (number_of_particles <= 0) CYCLE
316	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
317	s_r2 = 0.0_wp
318	s_r3 = 0.0_wp
319	DO n = 1, number_of_particles
320	IF ( particles(n)%particle_mask ) THEN
321	s_r2 = s_r2 + grid_particles(k,j,i)%particles(n)%radius*2 &
322	grid_particles(k,j,i)%particles(n)%weight_factor
323	s_r3 = s_r3 + grid_particles(k,j,i)%particles(n)%radius*3 &
324	grid_particles(k,j,i)%particles(n)%weight_factor
325	ENDIF
326	ENDDO
327	IF ( s_r2 > 0.0_wp ) THEN
328	mean_r = s_r3 / s_r2
329	ELSE
330	mean_r = 0.0_wp
331	ENDIF
332	tend(k,j,i) = mean_r
333	ENDDO
334	ENDDO
335	ENDDO
336	CALL exchange_horiz( tend, nbgp )
337	ELSE
338	tend = 0.0_wp
339	ENDIF
340	DO i = 1, mask_size_l(mid,1)
341	DO j = 1, mask_size_l(mid,2)
342	DO k = 1, mask_size_l(mid,3)
343	local_pf(i,j,k) = tend(mask_k(mid,k), &
344	mask_j(mid,j),mask_i(mid,i))
345	ENDDO
346	ENDDO
347	ENDDO
348	resorted = .TRUE.
349	ELSE
350	CALL exchange_horiz( pr_av, nbgp )
351	to_be_resorted => pr_av
352	ENDIF
353
354	CASE ( 'pt' )
355	IF ( av == 0 ) THEN
356	IF ( .NOT. cloud_physics ) THEN
357	to_be_resorted => pt
358	ELSE
359	DO i = 1, mask_size_l(mid,1)
360	DO j = 1, mask_size_l(mid,2)
361	DO k = 1, mask_size_l(mid,3)
362	local_pf(i,j,k) = &
363	pt(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) &
364	+ l_d_cp * pt_d_t(mask_k(mid,k)) * &
365	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
366	ENDDO
367	ENDDO
368	ENDDO
369	resorted = .TRUE.
370	ENDIF
371	ELSE
372	to_be_resorted => pt_av
373	ENDIF
374
375	CASE ( 'q' )
376	IF ( av == 0 ) THEN
377	to_be_resorted => q
378	ELSE
379	to_be_resorted => q_av
380	ENDIF
381
382	CASE ( 'qc' )
383	IF ( av == 0 ) THEN
384	to_be_resorted => qc
385	ELSE
386	to_be_resorted => qc_av
387	ENDIF
388
389	CASE ( 'ql' )
390	IF ( av == 0 ) THEN
391	to_be_resorted => ql
392	ELSE
393	to_be_resorted => ql_av
394	ENDIF
395
396	CASE ( 'ql_c' )
397	IF ( av == 0 ) THEN
398	to_be_resorted => ql_c
399	ELSE
400	to_be_resorted => ql_c_av
401	ENDIF
402
403	CASE ( 'ql_v' )
404	IF ( av == 0 ) THEN
405	to_be_resorted => ql_v
406	ELSE
407	to_be_resorted => ql_v_av
408	ENDIF
409
410	CASE ( 'ql_vp' )
411	IF ( av == 0 ) THEN
412	IF ( simulated_time >= particle_advection_start ) THEN
413	DO i = nxl, nxr
414	DO j = nys, nyn
415	DO k = nzb, nz_do3d
416	number_of_particles = prt_count(k,j,i)
417	IF (number_of_particles <= 0) CYCLE
418	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
419	DO n = 1, number_of_particles
420	IF ( particles(n)%particle_mask ) THEN
421	tend(k,j,i) = tend(k,j,i) + &
422	particles(n)%weight_factor / &
423	prt_count(k,j,i)
424	ENDIF
425	ENDDO
426	ENDDO
427	ENDDO
428	ENDDO
429	CALL exchange_horiz( tend, nbgp )
430	ELSE
431	tend = 0.0_wp
432	ENDIF
433	DO i = 1, mask_size_l(mid,1)
434	DO j = 1, mask_size_l(mid,2)
435	DO k = 1, mask_size_l(mid,3)
436	local_pf(i,j,k) = tend(mask_k(mid,k), &
437	mask_j(mid,j),mask_i(mid,i))
438	ENDDO
439	ENDDO
440	ENDDO
441	resorted = .TRUE.
442	ELSE
443	CALL exchange_horiz( ql_vp_av, nbgp )
444	to_be_resorted => ql_vp_av
445	ENDIF
446
447	CASE ( 'qv' )
448	IF ( av == 0 ) THEN
449	DO i = 1, mask_size_l(mid,1)
450	DO j = 1, mask_size_l(mid,2)
451	DO k = 1, mask_size_l(mid,3)
452	local_pf(i,j,k) = &
453	q(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) - &
454	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
455	ENDDO
456	ENDDO
457	ENDDO
458	resorted = .TRUE.
459	ELSE
460	to_be_resorted => qv_av
461	ENDIF
462
463	CASE ( 'qr' )
464	IF ( av == 0 ) THEN
465	to_be_resorted => qr
466	ELSE
467	to_be_resorted => qr_av
468	ENDIF
469
470	CASE ( 'rho_ocean' )
471	IF ( av == 0 ) THEN
472	to_be_resorted => rho_ocean
473	ELSE
474	to_be_resorted => rho_ocean_av
475	ENDIF
476
477	CASE ( 's' )
478	IF ( av == 0 ) THEN
479	to_be_resorted => s
480	ELSE
481	to_be_resorted => s_av
482	ENDIF
483
484	CASE ( 'sa' )
485	IF ( av == 0 ) THEN
486	to_be_resorted => sa
487	ELSE
488	to_be_resorted => sa_av
489	ENDIF
490
491	CASE ( 'u' )
492	IF ( av == 0 ) THEN
493	to_be_resorted => u
494	ELSE
495	to_be_resorted => u_av
496	ENDIF
497
498	CASE ( 'v' )
499	IF ( av == 0 ) THEN
500	to_be_resorted => v
501	ELSE
502	to_be_resorted => v_av
503	ENDIF
504
505	CASE ( 'vpt' )
506	IF ( av == 0 ) THEN
507	to_be_resorted => vpt
508	ELSE
509	to_be_resorted => vpt_av
510	ENDIF
511
512	CASE ( 'w' )
513	IF ( av == 0 ) THEN
514	to_be_resorted => w
515	ELSE
516	to_be_resorted => w_av
517	ENDIF
518
519	CASE DEFAULT
520
521	!
522	!-- Radiation quantity
523	IF ( radiation ) THEN
524	CALL radiation_data_output_mask(av, domask(mid,av,ivar), found,&
525	local_pf )
526	ENDIF
527
528	!
529	!-- User defined quantity
530	IF ( .NOT. found ) THEN
531	CALL user_data_output_mask(av, domask(mid,av,ivar), found, &
532	local_pf )
533	ENDIF
534
535	resorted = .TRUE.
536
537	IF ( .NOT. found ) THEN
538	WRITE ( message_string, * ) 'no masked output available for: ',&
539	TRIM( domask(mid,av,ivar) )
540	CALL message( 'data_output_mask', 'PA0327', 0, 0, 0, 6, 0 )
541	ENDIF
542
543	END SELECT
544
545	!
546	!-- Resort the array to be output, if not done above
547	IF ( .NOT. resorted ) THEN
548	DO i = 1, mask_size_l(mid,1)
549	DO j = 1, mask_size_l(mid,2)
550	DO k = 1, mask_size_l(mid,3)
551	local_pf(i,j,k) = to_be_resorted(mask_k(mid,k), &
552	mask_j(mid,j),mask_i(mid,i))
553	ENDDO
554	ENDDO
555	ENDDO
556	ENDIF
557
558	!
559	!-- I/O block. I/O methods are implemented
560	!-- (1) for parallel execution
561	!-- a. with netCDF 4 parallel I/O-enabled library
562	!-- b. with netCDF 3 library
563	!-- (2) for serial execution.
564	!-- The choice of method depends on the correct setting of preprocessor
565	!-- directives __parallel and __netcdf4_parallel as well as on the parameter
566	!-- netcdf_data_format.
567	#if defined( __parallel )
568	#if defined( __netcdf4_parallel )
569	IF ( netcdf_data_format > 4 ) THEN
570	!
571	!-- (1) a. Parallel I/O using netCDF 4 (not yet tested)
572	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
573	id_var_domask(mid,av,ivar), local_pf, &
574	start = (/ mask_start_l(mid,1), mask_start_l(mid,2), &
575	mask_start_l(mid,3), domask_time_count(mid,av) /), &
576	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
577	mask_size_l(mid,3), 1 /) )
578	CALL netcdf_handle_error( 'data_output_mask', 461 )
579	ELSE
580	#endif
581	!
582	!-- (1) b. Conventional I/O only through PE0
583	!-- PE0 receives partial arrays from all processors of the respective mask
584	!-- and outputs them. Here a barrier has to be set, because otherwise
585	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
586	CALL MPI_BARRIER( comm2d, ierr )
587
588	ngp = mask_size_l(mid,1) * mask_size_l(mid,2) * mask_size_l(mid,3)
589	IF ( myid == 0 ) THEN
590	!
591	!-- Local array can be relocated directly.
592	total_pf( &
593	mask_start_l(mid,1):mask_start_l(mid,1)+mask_size_l(mid,1)-1, &
594	mask_start_l(mid,2):mask_start_l(mid,2)+mask_size_l(mid,2)-1, &
595	mask_start_l(mid,3):mask_start_l(mid,3)+mask_size_l(mid,3)-1 ) &
596	= local_pf
597	!
598	!-- Receive data from all other PEs.
599	DO n = 1, numprocs-1
600	!
601	!-- Receive index limits first, then array.
602	!-- Index limits are received in arbitrary order from the PEs.
603	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
604	comm2d, status, ierr )
605	!
606	!-- Not all PEs have data for the mask
607	IF ( ind(1) /= -9999 ) THEN
608	ngp = ( ind(2)-ind(1)+1 ) * (ind(4)-ind(3)+1 ) * &
609	( ind(6)-ind(5)+1 )
610	sender = status(MPI_SOURCE)
611	DEALLOCATE( local_pf )
612	ALLOCATE(local_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)))
613	CALL MPI_RECV( local_pf(ind(1),ind(3),ind(5)), ngp, &
614	MPI_REAL, sender, 1, comm2d, status, ierr )
615	total_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)) &
616	= local_pf
617	ENDIF
618	ENDDO
619
620	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
621	id_var_domask(mid,av,ivar), total_pf, &
622	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
623	count = (/ mask_size(mid,1), mask_size(mid,2), &
624	mask_size(mid,3), 1 /) )
625	CALL netcdf_handle_error( 'data_output_mask', 462 )
626
627	ELSE
628	!
629	!-- If at least part of the mask resides on the PE, send the index
630	!-- limits for the target array, otherwise send -9999 to PE0.
631	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
632	mask_size_l(mid,3) > 0 ) &
633	THEN
634	ind(1) = mask_start_l(mid,1)
635	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
636	ind(3) = mask_start_l(mid,2)
637	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
638	ind(5) = mask_start_l(mid,3)
639	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
640	ELSE
641	ind(1) = -9999; ind(2) = -9999
642	ind(3) = -9999; ind(4) = -9999
643	ind(5) = -9999; ind(6) = -9999
644	ENDIF
645	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
646	!
647	!-- If applicable, send data to PE0.
648	IF ( ind(1) /= -9999 ) THEN
649	CALL MPI_SEND( local_pf(1,1,1), ngp, MPI_REAL, 0, 1, comm2d, &
650	ierr )
651	ENDIF
652	ENDIF
653	!
654	!-- A barrier has to be set, because otherwise some PEs may proceed too
655	!-- fast so that PE0 may receive wrong data on tag 0.
656	CALL MPI_BARRIER( comm2d, ierr )
657	#if defined( __netcdf4_parallel )
658	ENDIF
659	#endif
660	#else
661	!
662	!-- (2) For serial execution of PALM, the single processor (PE0) holds all
663	!-- data and writes them directly to file.
664	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
665	id_var_domask(mid,av,ivar), local_pf, &
666	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
667	count = (/ mask_size_l(mid,1), mask_size_l(mid,2),&
668	mask_size_l(mid,3), 1 /) )
669	CALL netcdf_handle_error( 'data_output_mask', 463 )
670	#endif
671
672	ivar = ivar + 1
673
674	ENDDO
675
676	!
677	!-- Deallocate temporary arrays.
678	DEALLOCATE( local_pf )
679	#if defined( __parallel )
680	IF ( myid == 0 ) THEN
681	DEALLOCATE( total_pf )
682	ENDIF
683	#endif
684
685	!
686	!-- Switch back to original format given by user (see beginning of this routine)
687	netcdf_data_format = netcdf_data_format_save
688
689	CALL cpu_log( log_point(49), 'data_output_mask', 'stop' )
690	#endif
691
692	END SUBROUTINE data_output_mask

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