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source: palm/trunk/SOURCE/data_output_mask.f90 @ 1685

Last change on this file since 1685 was 1683, checked in by knoop, 9 years ago
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[1682]	1	!> @file data_output_mask.f90
[1320]	2	!--------------------------------------------------------------------------------!
	3	! This file is part of PALM.
	4	!
	5	! PALM is free software: you can redistribute it and/or modify it under the terms
	6	! of the GNU General Public License as published by the Free Software Foundation,
	7	! either version 3 of the License, or (at your option) any later version.
	8	!
	9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	10	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	11	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	12	!
	13	! You should have received a copy of the GNU General Public License along with
	14	! PALM. If not, see <http://www.gnu.org/licenses/>.
	15	!
	16	! Copyright 1997-2014 Leibniz Universitaet Hannover
	17	!--------------------------------------------------------------------------------!
	18	!
	19	! Current revisions:
	20	! -----------------
[1586]	21	!
[1683]	22	!
[1320]	23	! Former revisions:
	24	! -----------------
	25	! $Id: data_output_mask.f90 1683 2015-10-07 23:57:51Z raasch $
	26	!
[1683]	27	! 1682 2015-10-07 23:56:08Z knoop
	28	! Code annotations made doxygen readable
	29	!
[1586]	30	! 1585 2015-04-30 07:05:52Z maronga
	31	! Added support for RRTMG
	32	!
[1585]	33	! 1438 2014-07-22 14:14:06Z heinze
[1439]	34	! +nr, qc, qr
	35	!
[1438]	36	! 1359 2014-04-11 17:15:14Z hoffmann
[1360]	37	! New particle structure integrated.
	38	!
[1359]	39	! 1353 2014-04-08 15:21:23Z heinze
[1354]	40	! REAL constants provided with KIND-attribute
	41	!
[1353]	42	! 1327 2014-03-21 11:00:16Z raasch
[1329]	43	!
	44	!
[1321]	45	! 1320 2014-03-20 08:40:49Z raasch
	46	! ONLY-attribute added to USE-statements,
	47	! kind-parameters added to all INTEGER and REAL declaration statements,
	48	! kinds are defined in new module kinds,
	49	! revision history before 2012 removed,
	50	! comment fields (!:) to be used for variable explanations added to
	51	! all variable declaration statements
	52	!
[1320]	53	! 1318 2014-03-17 13:35:16Z raasch
	54	! barrier argument removed from cpu_log,
	55	! module interfaces removed
	56	!
	57	! 1092 2013-02-02 11:24:22Z raasch
	58	! unused variables removed
	59	!
	60	! 1036 2012-10-22 13:43:42Z raasch
	61	! code put under GPL (PALM 3.9)
	62	!
	63	! 1031 2012-10-19 14:35:30Z raasch
	64	! netCDF4 without parallel file support implemented
	65	!
	66	! 1007 2012-09-19 14:30:36Z franke
	67	! Bugfix: calculation of pr must depend on the particle weighting factor,
	68	! missing calculation of ql_vp added
	69	!
	70	! 410 2009-12-04 17:05:40Z letzel
	71	! Initial version
	72	!
	73	! Description:
	74	! ------------
[1682]	75	!> Masked data output in netCDF format for current mask (current value of mid).
[1320]	76	!------------------------------------------------------------------------------!
[1682]	77	SUBROUTINE data_output_mask( av )
[1320]	78
[1682]	79
	80
[1320]	81	#if defined( __netcdf )
	82	USE arrays_3d, &
[1438]	83	ONLY: e, nr, p, pt, q, qc, ql, ql_c, ql_v, qr, rho, sa, tend, u, &
	84	v, vpt, w
[1320]	85
	86	USE averaging, &
[1438]	87	ONLY: e_av, lpt_av, nr_av, p_av, pc_av, pr_av, pt_av, q_av, qc_av, &
	88	ql_av, ql_c_av, ql_v_av, ql_vp_av, qv_av, qr_av, rho_av, s_av, &
	89	sa_av, u_av, v_av, vpt_av, w_av
[1320]	90
	91	USE cloud_parameters, &
	92	ONLY: l_d_cp, pt_d_t
	93
	94	USE control_parameters, &
[1438]	95	ONLY: cloud_physics, domask, domask_no, domask_time_count, &
	96	mask_i, mask_j, mask_k, mask_size, mask_size_l, &
	97	mask_start_l, max_masks, message_string, mid, &
	98	netcdf_data_format, nz_do3d, simulated_time
[1320]	99	USE cpulog, &
	100	ONLY: cpu_log, log_point
[1438]	101
	102
[1320]	103
	104	USE indices, &
	105	ONLY: nbgp, nxl, nxr, nyn, nys, nzb, nzt
	106
	107	USE kinds
	108
	109	USE netcdf
	110
	111	USE netcdf_control
	112
	113	USE particle_attributes, &
[1359]	114	ONLY: grid_particles, number_of_particles, particles, &
	115	particle_advection_start, prt_count
[1320]	116
	117	USE pegrid
	118
[1585]	119	USE radiation_model_mod, &
	120	ONLY: rad_lw_in, rad_lw_in_av, rad_lw_out, rad_lw_out_av, &
	121	rad_sw_in, rad_sw_in_av, rad_sw_out, rad_sw_out_av
	122
[1320]	123	IMPLICIT NONE
	124
[1682]	125	INTEGER(iwp) :: av !<
	126	INTEGER(iwp) :: ngp !<
	127	INTEGER(iwp) :: i !<
	128	INTEGER(iwp) :: if !<
	129	INTEGER(iwp) :: j !<
	130	INTEGER(iwp) :: k !<
	131	INTEGER(iwp) :: n !<
	132	INTEGER(iwp) :: psi !<
	133	INTEGER(iwp) :: sender !<
	134	INTEGER(iwp) :: ind(6) !<
[1320]	135
[1682]	136	LOGICAL :: found !<
	137	LOGICAL :: resorted !<
[1320]	138
[1682]	139	REAL(wp) :: mean_r !<
	140	REAL(wp) :: s_r2 !<
	141	REAL(wp) :: s_r3 !<
[1320]	142
[1682]	143	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
[1320]	144	#if defined( __parallel )
[1682]	145	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: total_pf !<
[1320]	146	#endif
[1682]	147	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
[1320]	148
	149	!
	150	!-- Return, if nothing to output
	151	IF ( domask_no(mid,av) == 0 ) RETURN
	152
	153	CALL cpu_log (log_point(49),'data_output_mask','start')
	154
	155	!
	156	!-- Open output file.
[1327]	157	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1320]	158	CALL check_open( 200+mid+av*max_masks )
	159	ENDIF
	160
	161	!
	162	!-- Allocate total and local output arrays.
	163	#if defined( __parallel )
	164	IF ( myid == 0 ) THEN
	165	ALLOCATE( total_pf(mask_size(mid,1),mask_size(mid,2),mask_size(mid,3)) )
	166	ENDIF
	167	#endif
	168	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
	169	mask_size_l(mid,3)) )
	170
	171	!
	172	!-- Update the netCDF time axis.
	173	domask_time_count(mid,av) = domask_time_count(mid,av) + 1
[1327]	174	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1320]	175	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), id_var_time_mask(mid,av), &
	176	(/ simulated_time /), &
	177	start = (/ domask_time_count(mid,av) /), &
	178	count = (/ 1 /) )
	179	CALL handle_netcdf_error( 'data_output_mask', 460 )
	180	ENDIF
	181
	182	!
	183	!-- Loop over all variables to be written.
	184	if = 1
	185
	186	DO WHILE ( domask(mid,av,if)(1:1) /= ' ' )
	187	!
	188	!-- Reallocate local_pf on PE 0 since its shape changes during MPI exchange
	189	IF ( netcdf_data_format < 5 .AND. myid == 0 .AND. if > 1 ) THEN
	190	DEALLOCATE( local_pf )
	191	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
	192	mask_size_l(mid,3)) )
	193	ENDIF
	194	!
	195	!-- Store the variable chosen.
	196	resorted = .FALSE.
	197	SELECT CASE ( TRIM( domask(mid,av,if) ) )
	198
	199	CASE ( 'e' )
	200	IF ( av == 0 ) THEN
	201	to_be_resorted => e
	202	ELSE
	203	to_be_resorted => e_av
	204	ENDIF
	205
	206	CASE ( 'lpt' )
	207	IF ( av == 0 ) THEN
	208	to_be_resorted => pt
	209	ELSE
	210	to_be_resorted => lpt_av
	211	ENDIF
	212
[1438]	213	CASE ( 'nr' )
	214	IF ( av == 0 ) THEN
	215	to_be_resorted => nr
	216	ELSE
	217	to_be_resorted => nr_av
	218	ENDIF
	219
[1320]	220	CASE ( 'p' )
	221	IF ( av == 0 ) THEN
	222	to_be_resorted => p
	223	ELSE
	224	to_be_resorted => p_av
	225	ENDIF
	226
	227	CASE ( 'pc' ) ! particle concentration (requires ghostpoint exchange)
	228	IF ( av == 0 ) THEN
	229	tend = prt_count
	230	CALL exchange_horiz( tend, nbgp )
	231	DO i = 1, mask_size_l(mid,1)
	232	DO j = 1, mask_size_l(mid,2)
	233	DO k = 1, mask_size_l(mid,3)
	234	local_pf(i,j,k) = tend(mask_k(mid,k), &
	235	mask_j(mid,j),mask_i(mid,i))
	236	ENDDO
	237	ENDDO
	238	ENDDO
	239	resorted = .TRUE.
	240	ELSE
	241	CALL exchange_horiz( pc_av, nbgp )
	242	to_be_resorted => pc_av
	243	ENDIF
	244
[1359]	245	CASE ( 'pr' ) ! mean particle radius (effective radius)
[1320]	246	IF ( av == 0 ) THEN
[1359]	247	IF ( simulated_time >= particle_advection_start ) THEN
	248	DO i = nxl, nxr
	249	DO j = nys, nyn
	250	DO k = nzb, nz_do3d
	251	number_of_particles = prt_count(k,j,i)
	252	IF (number_of_particles <= 0) CYCLE
	253	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
	254	s_r2 = 0.0_wp
	255	s_r3 = 0.0_wp
	256	DO n = 1, number_of_particles
	257	IF ( particles(n)%particle_mask ) THEN
	258	s_r2 = s_r2 + grid_particles(k,j,i)%particles(n)%radius*2 &
	259	grid_particles(k,j,i)%particles(n)%weight_factor
	260	s_r3 = s_r3 + grid_particles(k,j,i)%particles(n)%radius*3 &
	261	grid_particles(k,j,i)%particles(n)%weight_factor
	262	ENDIF
	263	ENDDO
	264	IF ( s_r2 > 0.0_wp ) THEN
	265	mean_r = s_r3 / s_r2
	266	ELSE
	267	mean_r = 0.0_wp
	268	ENDIF
	269	tend(k,j,i) = mean_r
[1320]	270	ENDDO
	271	ENDDO
	272	ENDDO
[1359]	273	CALL exchange_horiz( tend, nbgp )
	274	ELSE
	275	tend = 0.0_wp
	276	ENDIF
[1320]	277	DO i = 1, mask_size_l(mid,1)
	278	DO j = 1, mask_size_l(mid,2)
	279	DO k = 1, mask_size_l(mid,3)
	280	local_pf(i,j,k) = tend(mask_k(mid,k), &
	281	mask_j(mid,j),mask_i(mid,i))
	282	ENDDO
	283	ENDDO
	284	ENDDO
	285	resorted = .TRUE.
	286	ELSE
	287	CALL exchange_horiz( pr_av, nbgp )
	288	to_be_resorted => pr_av
	289	ENDIF
	290
	291	CASE ( 'pt' )
	292	IF ( av == 0 ) THEN
	293	IF ( .NOT. cloud_physics ) THEN
	294	to_be_resorted => pt
	295	ELSE
	296	DO i = 1, mask_size_l(mid,1)
	297	DO j = 1, mask_size_l(mid,2)
	298	DO k = 1, mask_size_l(mid,3)
	299	local_pf(i,j,k) = &
	300	pt(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) &
	301	+ l_d_cp * pt_d_t(mask_k(mid,k)) * &
	302	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
	303	ENDDO
	304	ENDDO
	305	ENDDO
	306	resorted = .TRUE.
	307	ENDIF
	308	ELSE
	309	to_be_resorted => pt_av
	310	ENDIF
	311
	312	CASE ( 'q' )
	313	IF ( av == 0 ) THEN
	314	to_be_resorted => q
	315	ELSE
	316	to_be_resorted => q_av
	317	ENDIF
	318
[1438]	319	CASE ( 'qc' )
	320	IF ( av == 0 ) THEN
	321	to_be_resorted => qc
	322	ELSE
	323	to_be_resorted => qc_av
	324	ENDIF
	325
[1320]	326	CASE ( 'ql' )
	327	IF ( av == 0 ) THEN
	328	to_be_resorted => ql
	329	ELSE
	330	to_be_resorted => ql_av
	331	ENDIF
	332
	333	CASE ( 'ql_c' )
	334	IF ( av == 0 ) THEN
	335	to_be_resorted => ql_c
	336	ELSE
	337	to_be_resorted => ql_c_av
	338	ENDIF
	339
	340	CASE ( 'ql_v' )
	341	IF ( av == 0 ) THEN
	342	to_be_resorted => ql_v
	343	ELSE
	344	to_be_resorted => ql_v_av
	345	ENDIF
	346
	347	CASE ( 'ql_vp' )
	348	IF ( av == 0 ) THEN
[1359]	349	IF ( simulated_time >= particle_advection_start ) THEN
	350	DO i = nxl, nxr
	351	DO j = nys, nyn
	352	DO k = nzb, nz_do3d
	353	number_of_particles = prt_count(k,j,i)
	354	IF (number_of_particles <= 0) CYCLE
	355	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
	356	DO n = 1, number_of_particles
	357	IF ( particles(n)%particle_mask ) THEN
	358	tend(k,j,i) = tend(k,j,i) + &
[1320]	359	particles(n)%weight_factor / &
	360	prt_count(k,j,i)
[1359]	361	ENDIF
	362	ENDDO
[1320]	363	ENDDO
	364	ENDDO
	365	ENDDO
[1359]	366	CALL exchange_horiz( tend, nbgp )
	367	ELSE
	368	tend = 0.0_wp
	369	ENDIF
[1320]	370	DO i = 1, mask_size_l(mid,1)
	371	DO j = 1, mask_size_l(mid,2)
	372	DO k = 1, mask_size_l(mid,3)
	373	local_pf(i,j,k) = tend(mask_k(mid,k), &
	374	mask_j(mid,j),mask_i(mid,i))
	375	ENDDO
	376	ENDDO
	377	ENDDO
	378	resorted = .TRUE.
	379	ELSE
	380	CALL exchange_horiz( ql_vp_av, nbgp )
	381	to_be_resorted => ql_vp_av
	382	ENDIF
	383
	384	CASE ( 'qv' )
	385	IF ( av == 0 ) THEN
	386	DO i = 1, mask_size_l(mid,1)
	387	DO j = 1, mask_size_l(mid,2)
	388	DO k = 1, mask_size_l(mid,3)
	389	local_pf(i,j,k) = &
	390	q(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) - &
	391	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
	392	ENDDO
	393	ENDDO
	394	ENDDO
	395	resorted = .TRUE.
	396	ELSE
	397	to_be_resorted => qv_av
	398	ENDIF
	399
[1438]	400	CASE ( 'qr' )
	401	IF ( av == 0 ) THEN
	402	to_be_resorted => qr
	403	ELSE
	404	to_be_resorted => qr_av
	405	ENDIF
	406
[1585]	407	CASE ( 'rad_sw_in' )
	408	IF ( av == 0 ) THEN
	409	to_be_resorted => rad_sw_in
	410	ELSE
	411	to_be_resorted => rad_sw_in_av
	412	ENDIF
	413
	414	CASE ( 'rad_sw_out' )
	415	IF ( av == 0 ) THEN
	416	to_be_resorted => rad_sw_out
	417	ELSE
	418	to_be_resorted => rad_sw_out_av
	419	ENDIF
	420
	421	CASE ( 'rad_lw_in' )
	422	IF ( av == 0 ) THEN
	423	to_be_resorted => rad_lw_in
	424	ELSE
	425	to_be_resorted => rad_lw_in_av
	426	ENDIF
	427
	428	CASE ( 'rad_lw_out' )
	429	IF ( av == 0 ) THEN
	430	to_be_resorted => rad_lw_out
	431	ELSE
	432	to_be_resorted => rad_lw_out_av
	433	ENDIF
	434
[1320]	435	CASE ( 'rho' )
	436	IF ( av == 0 ) THEN
	437	to_be_resorted => rho
	438	ELSE
	439	to_be_resorted => rho_av
	440	ENDIF
	441
	442	CASE ( 's' )
	443	IF ( av == 0 ) THEN
	444	to_be_resorted => q
	445	ELSE
	446	to_be_resorted => s_av
	447	ENDIF
	448
	449	CASE ( 'sa' )
	450	IF ( av == 0 ) THEN
	451	to_be_resorted => sa
	452	ELSE
	453	to_be_resorted => sa_av
	454	ENDIF
	455
	456	CASE ( 'u' )
	457	IF ( av == 0 ) THEN
	458	to_be_resorted => u
	459	ELSE
	460	to_be_resorted => u_av
	461	ENDIF
	462
	463	CASE ( 'v' )
	464	IF ( av == 0 ) THEN
	465	to_be_resorted => v
	466	ELSE
	467	to_be_resorted => v_av
	468	ENDIF
	469
	470	CASE ( 'vpt' )
	471	IF ( av == 0 ) THEN
	472	to_be_resorted => vpt
	473	ELSE
	474	to_be_resorted => vpt_av
	475	ENDIF
	476
	477	CASE ( 'w' )
	478	IF ( av == 0 ) THEN
	479	to_be_resorted => w
	480	ELSE
	481	to_be_resorted => w_av
	482	ENDIF
	483
	484	CASE DEFAULT
	485	!
	486	!-- User defined quantity
	487	CALL user_data_output_mask(av, domask(mid,av,if), found, local_pf )
	488	resorted = .TRUE.
	489
	490	IF ( .NOT. found ) THEN
	491	WRITE ( message_string, * ) 'no output available for: ', &
	492	TRIM( domask(mid,av,if) )
	493	CALL message( 'data_output_mask', 'PA0327', 0, 0, 0, 6, 0 )
	494	ENDIF
	495
	496	END SELECT
	497
	498	!
	499	!-- Resort the array to be output, if not done above
	500	IF ( .NOT. resorted ) THEN
	501	DO i = 1, mask_size_l(mid,1)
	502	DO j = 1, mask_size_l(mid,2)
	503	DO k = 1, mask_size_l(mid,3)
	504	local_pf(i,j,k) = to_be_resorted(mask_k(mid,k), &
	505	mask_j(mid,j),mask_i(mid,i))
	506	ENDDO
	507	ENDDO
	508	ENDDO
	509	ENDIF
	510
	511	!
	512	!-- I/O block. I/O methods are implemented
	513	!-- (1) for parallel execution
	514	!-- a. with netCDF 4 parallel I/O-enabled library
	515	!-- b. with netCDF 3 library
	516	!-- (2) for serial execution.
	517	!-- The choice of method depends on the correct setting of preprocessor
	518	!-- directives __parallel and __netcdf4_parallel as well as on the parameter
	519	!-- netcdf_data_format.
	520	#if defined( __parallel )
	521	#if defined( __netcdf4_parallel )
	522	IF ( netcdf_data_format > 4 ) THEN
	523	!
	524	!-- (1) a. Parallel I/O using netCDF 4 (not yet tested)
	525	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
	526	id_var_domask(mid,av,if), &
	527	local_pf, &
	528	start = (/ mask_start_l(mid,1), mask_start_l(mid,2), &
	529	mask_start_l(mid,3), domask_time_count(mid,av) /), &
	530	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
	531	mask_size_l(mid,3), 1 /) )
	532	CALL handle_netcdf_error( 'data_output_mask', 461 )
	533	ELSE
	534	#endif
	535	!
	536	!-- (1) b. Conventional I/O only through PE0
	537	!-- PE0 receives partial arrays from all processors of the respective mask
	538	!-- and outputs them. Here a barrier has to be set, because otherwise
	539	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
	540	CALL MPI_BARRIER( comm2d, ierr )
	541
	542	ngp = mask_size_l(mid,1) * mask_size_l(mid,2) * mask_size_l(mid,3)
	543	IF ( myid == 0 ) THEN
	544	!
	545	!-- Local array can be relocated directly.
	546	total_pf( &
	547	mask_start_l(mid,1):mask_start_l(mid,1)+mask_size_l(mid,1)-1, &
	548	mask_start_l(mid,2):mask_start_l(mid,2)+mask_size_l(mid,2)-1, &
	549	mask_start_l(mid,3):mask_start_l(mid,3)+mask_size_l(mid,3)-1 ) &
	550	= local_pf
	551	!
	552	!-- Receive data from all other PEs.
	553	DO n = 1, numprocs-1
	554	!
	555	!-- Receive index limits first, then array.
	556	!-- Index limits are received in arbitrary order from the PEs.
	557	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	558	comm2d, status, ierr )
	559	!
	560	!-- Not all PEs have data for the mask
	561	IF ( ind(1) /= -9999 ) THEN
	562	ngp = ( ind(2)-ind(1)+1 ) * (ind(4)-ind(3)+1 ) * &
	563	( ind(6)-ind(5)+1 )
	564	sender = status(MPI_SOURCE)
	565	DEALLOCATE( local_pf )
	566	ALLOCATE(local_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)))
	567	CALL MPI_RECV( local_pf(ind(1),ind(3),ind(5)), ngp, &
	568	MPI_REAL, sender, 1, comm2d, status, ierr )
	569	total_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)) &
	570	= local_pf
	571	ENDIF
	572	ENDDO
	573
	574	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
	575	id_var_domask(mid,av,if), total_pf, &
	576	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
	577	count = (/ mask_size(mid,1), mask_size(mid,2), &
	578	mask_size(mid,3), 1 /) )
	579	CALL handle_netcdf_error( 'data_output_mask', 462 )
	580
	581	ELSE
	582	!
	583	!-- If at least part of the mask resides on the PE, send the index
	584	!-- limits for the target array, otherwise send -9999 to PE0.
	585	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	586	mask_size_l(mid,3) > 0 ) &
	587	THEN
	588	ind(1) = mask_start_l(mid,1)
	589	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	590	ind(3) = mask_start_l(mid,2)
	591	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	592	ind(5) = mask_start_l(mid,3)
	593	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	594	ELSE
	595	ind(1) = -9999; ind(2) = -9999
	596	ind(3) = -9999; ind(4) = -9999
	597	ind(5) = -9999; ind(6) = -9999
	598	ENDIF
	599	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	600	!
	601	!-- If applicable, send data to PE0.
	602	IF ( ind(1) /= -9999 ) THEN
	603	CALL MPI_SEND( local_pf(1,1,1), ngp, MPI_REAL, 0, 1, comm2d, &
	604	ierr )
	605	ENDIF
	606	ENDIF
	607	!
	608	!-- A barrier has to be set, because otherwise some PEs may proceed too
	609	!-- fast so that PE0 may receive wrong data on tag 0.
	610	CALL MPI_BARRIER( comm2d, ierr )
	611	#if defined( __netcdf4_parallel )
	612	ENDIF
	613	#endif
	614	#else
	615	!
	616	!-- (2) For serial execution of PALM, the single processor (PE0) holds all
	617	!-- data and writes them directly to file.
	618	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
	619	id_var_domask(mid,av,if), &
	620	local_pf, &
	621	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
	622	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
	623	mask_size_l(mid,3), 1 /) )
	624	CALL handle_netcdf_error( 'data_output_mask', 463 )
	625	#endif
	626
	627	if = if + 1
	628
	629	ENDDO
	630
	631	!
	632	!-- Deallocate temporary arrays.
	633	DEALLOCATE( local_pf )
	634	#if defined( __parallel )
	635	IF ( myid == 0 ) THEN
	636	DEALLOCATE( total_pf )
	637	ENDIF
	638	#endif
	639
	640
	641	CALL cpu_log( log_point(49), 'data_output_mask', 'stop' )
	642	#endif
	643
	644	END SUBROUTINE data_output_mask

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