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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

Rev	Line
[3298]	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	! -----------------
[2032]	22	!
	23	!
[3298]	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	!
[3274]	33	! 3241 2018-09-12 15:02:00Z raasch
[3298]	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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