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source: palm/trunk/SOURCE/data_output_mask.f90 @ 2723

Last change on this file since 2723 was 2718, checked in by maronga, 7 years ago
deleting of deprecated files; headers updated where needed
Property svn:keywords set to `Id`
File size: 24.3 KB

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[1691]	1	!> @file data_output_mask.f90
[2031]	2	!------------------------------------------------------------------------------!
[2696]	3	! This file is part of the PALM model system.
[1320]	4	!
[2000]	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
[2031]	8	! version.
[1320]	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	!
[2718]	17	! Copyright 1997-2018 Leibniz Universitaet Hannover
[2031]	18	!------------------------------------------------------------------------------!
[1320]	19	!
	20	! Current revisions:
	21	! -----------------
[2032]	22	!
	23	!
[1320]	24	! Former revisions:
	25	! -----------------
	26	! $Id: data_output_mask.f90 2718 2018-01-02 08:49:38Z maronga $
[2716]	27	! Corrected "Former revisions" section
[2696]	28	!
[2716]	29	! 2696 2017-12-14 17:12:51Z kanani
	30	! Change in file header (GPL part)
[2696]	31	!
[2716]	32	! 2292 2017-06-20 09:51:42Z schwenkel
[2292]	33	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	34	! includes two more prognostic equations for cloud drop concentration (nc)
	35	! and cloud water content (qc).
	36	!
[2696]	37	! 2101 2017-01-05 16:42:31Z suehring
[1320]	38	!
[2292]	39	! 2031 2016-10-21 15:11:58Z knoop
[2032]	40	! renamed variable rho to rho_ocean and rho_av to rho_ocean_av
	41	!
[2031]	42	! 2000 2016-08-20 18:09:15Z knoop
	43	! Forced header and separation lines into 80 columns
	44	!
	45	! 1980 2016-07-29 15:51:57Z suehring
[1981]	46	! Bugfix, in order to steer user-defined output, setting flag found explicitly
	47	! to .F.
	48	!
[1980]	49	! 1976 2016-07-27 13:28:04Z maronga
[1977]	50	! Output of radiation quantities is now done directly in the respective module
	51	!
[1976]	52	! 1960 2016-07-12 16:34:24Z suehring
[1961]	53	! Separate humidity and passive scalar
	54	!
[1784]	55	! 2016-03-06 18:36:17Z raasch
	56	! name change of netcdf routines and module + related changes,
	57	! switch back of netcdf data format moved from time integration routine to here
	58	!
[1960]	59	! 1691 2015-10-26 16:17:44Z maronga
[1692]	60	! Added output of radiative heating rates for RRTMG
	61	!
[1691]	62	! 1682 2015-10-07 23:56:08Z knoop
	63	! Code annotations made doxygen readable
	64	!
	65	! 1585 2015-04-30 07:05:52Z maronga
[1586]	66	! Added support for RRTMG
	67	!
[1585]	68	! 1438 2014-07-22 14:14:06Z heinze
[1439]	69	! +nr, qc, qr
	70	!
[1438]	71	! 1359 2014-04-11 17:15:14Z hoffmann
[1360]	72	! New particle structure integrated.
	73	!
[1359]	74	! 1353 2014-04-08 15:21:23Z heinze
[1354]	75	! REAL constants provided with KIND-attribute
	76	!
[1353]	77	! 1327 2014-03-21 11:00:16Z raasch
[1329]	78	!
	79	!
[1321]	80	! 1320 2014-03-20 08:40:49Z raasch
	81	! ONLY-attribute added to USE-statements,
	82	! kind-parameters added to all INTEGER and REAL declaration statements,
	83	! kinds are defined in new module kinds,
	84	! revision history before 2012 removed,
	85	! comment fields (!:) to be used for variable explanations added to
	86	! all variable declaration statements
	87	!
[1320]	88	! 1318 2014-03-17 13:35:16Z raasch
	89	! barrier argument removed from cpu_log,
	90	! module interfaces removed
	91	!
	92	! 1092 2013-02-02 11:24:22Z raasch
	93	! unused variables removed
	94	!
	95	! 1036 2012-10-22 13:43:42Z raasch
	96	! code put under GPL (PALM 3.9)
	97	!
	98	! 1031 2012-10-19 14:35:30Z raasch
	99	! netCDF4 without parallel file support implemented
	100	!
	101	! 1007 2012-09-19 14:30:36Z franke
	102	! Bugfix: calculation of pr must depend on the particle weighting factor,
	103	! missing calculation of ql_vp added
	104	!
	105	! 410 2009-12-04 17:05:40Z letzel
	106	! Initial version
	107	!
	108	! Description:
	109	! ------------
[1682]	110	!> Masked data output in netCDF format for current mask (current value of mid).
[1320]	111	!------------------------------------------------------------------------------!
[1682]	112	SUBROUTINE data_output_mask( av )
[1320]	113
[1691]	114
[1682]	115
[1320]	116	#if defined( __netcdf )
	117	USE arrays_3d, &
[2292]	118	ONLY: e, nc, nr, p, pt, q, qc, ql, ql_c, ql_v, qr, rho_ocean, s, sa, &
	119	tend, u, v, vpt, w
[1320]	120
	121	USE averaging, &
[2292]	122	ONLY: e_av, lpt_av, nc_av, nr_av, p_av, pc_av, pr_av, pt_av, q_av, &
	123	qc_av, ql_av, ql_c_av, ql_v_av, ql_vp_av, qv_av, qr_av, &
	124	rho_ocean_av, s_av, sa_av, u_av, v_av, vpt_av, w_av
[1320]	125
	126	USE cloud_parameters, &
	127	ONLY: l_d_cp, pt_d_t
	128
	129	USE control_parameters, &
[1783]	130	ONLY: cloud_physics, domask, domask_no, domask_time_count, mask_i, &
	131	mask_j, mask_k, mask_size, mask_size_l, mask_start_l, &
	132	max_masks, message_string, mid, nz_do3d, simulated_time
[1320]	133	USE cpulog, &
	134	ONLY: cpu_log, log_point
[1438]	135
[1320]	136	USE indices, &
	137	ONLY: nbgp, nxl, nxr, nyn, nys, nzb, nzt
	138
	139	USE kinds
	140
[1783]	141	USE NETCDF
[1320]	142
[1783]	143	USE netcdf_interface, &
	144	ONLY: id_set_mask, id_var_domask, id_var_time_mask, nc_stat, &
	145	netcdf_data_format, netcdf_handle_error
[1320]	146
	147	USE particle_attributes, &
[1359]	148	ONLY: grid_particles, number_of_particles, particles, &
	149	particle_advection_start, prt_count
[1320]	150
	151	USE pegrid
	152
[1585]	153	USE radiation_model_mod, &
[1976]	154	ONLY: radiation, radiation_data_output_mask
[1585]	155
[1320]	156	IMPLICIT NONE
	157
[1682]	158	INTEGER(iwp) :: av !<
	159	INTEGER(iwp) :: ngp !<
	160	INTEGER(iwp) :: i !<
	161	INTEGER(iwp) :: if !<
	162	INTEGER(iwp) :: j !<
	163	INTEGER(iwp) :: k !<
	164	INTEGER(iwp) :: n !<
[1783]	165	INTEGER(iwp) :: netcdf_data_format_save !<
[1682]	166	INTEGER(iwp) :: psi !<
	167	INTEGER(iwp) :: sender !<
	168	INTEGER(iwp) :: ind(6) !<
[1320]	169
[1682]	170	LOGICAL :: found !<
	171	LOGICAL :: resorted !<
[1320]	172
[1682]	173	REAL(wp) :: mean_r !<
	174	REAL(wp) :: s_r2 !<
	175	REAL(wp) :: s_r3 !<
[1320]	176
[1682]	177	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
[1320]	178	#if defined( __parallel )
[1682]	179	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: total_pf !<
[1320]	180	#endif
[1682]	181	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
[1320]	182
	183	!
	184	!-- Return, if nothing to output
	185	IF ( domask_no(mid,av) == 0 ) RETURN
	186
	187	CALL cpu_log (log_point(49),'data_output_mask','start')
	188
	189	!
[1783]	190	!-- Parallel netcdf output is not tested so far for masked data, hence
	191	!-- netcdf_data_format is switched back to non-paralell output.
	192	netcdf_data_format_save = netcdf_data_format
	193	IF ( netcdf_data_format == 5 ) netcdf_data_format = 3
	194	IF ( netcdf_data_format == 6 ) netcdf_data_format = 4
	195
	196	!
[1320]	197	!-- Open output file.
[1327]	198	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1320]	199	CALL check_open( 200+mid+av*max_masks )
	200	ENDIF
	201
	202	!
	203	!-- Allocate total and local output arrays.
	204	#if defined( __parallel )
	205	IF ( myid == 0 ) THEN
	206	ALLOCATE( total_pf(mask_size(mid,1),mask_size(mid,2),mask_size(mid,3)) )
	207	ENDIF
	208	#endif
	209	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
	210	mask_size_l(mid,3)) )
	211
	212	!
	213	!-- Update the netCDF time axis.
	214	domask_time_count(mid,av) = domask_time_count(mid,av) + 1
[1327]	215	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1320]	216	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), id_var_time_mask(mid,av), &
	217	(/ simulated_time /), &
	218	start = (/ domask_time_count(mid,av) /), &
	219	count = (/ 1 /) )
[1783]	220	CALL netcdf_handle_error( 'data_output_mask', 460 )
[1320]	221	ENDIF
	222
	223	!
	224	!-- Loop over all variables to be written.
	225	if = 1
	226
	227	DO WHILE ( domask(mid,av,if)(1:1) /= ' ' )
	228	!
	229	!-- Reallocate local_pf on PE 0 since its shape changes during MPI exchange
	230	IF ( netcdf_data_format < 5 .AND. myid == 0 .AND. if > 1 ) THEN
	231	DEALLOCATE( local_pf )
	232	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
	233	mask_size_l(mid,3)) )
	234	ENDIF
	235	!
[1980]	236	!-- Set flag to steer output of radiation, land-surface, or user-defined
	237	!-- quantities
	238	found = .FALSE.
	239	!
[1320]	240	!-- Store the variable chosen.
	241	resorted = .FALSE.
	242	SELECT CASE ( TRIM( domask(mid,av,if) ) )
	243
	244	CASE ( 'e' )
	245	IF ( av == 0 ) THEN
	246	to_be_resorted => e
	247	ELSE
	248	to_be_resorted => e_av
	249	ENDIF
	250
	251	CASE ( 'lpt' )
	252	IF ( av == 0 ) THEN
	253	to_be_resorted => pt
	254	ELSE
	255	to_be_resorted => lpt_av
	256	ENDIF
	257
[2292]	258	CASE ( 'nc' )
	259	IF ( av == 0 ) THEN
	260	to_be_resorted => nc
	261	ELSE
	262	to_be_resorted => nc_av
	263	ENDIF
	264
[1438]	265	CASE ( 'nr' )
	266	IF ( av == 0 ) THEN
	267	to_be_resorted => nr
	268	ELSE
	269	to_be_resorted => nr_av
	270	ENDIF
	271
[1320]	272	CASE ( 'p' )
	273	IF ( av == 0 ) THEN
	274	to_be_resorted => p
	275	ELSE
	276	to_be_resorted => p_av
	277	ENDIF
	278
	279	CASE ( 'pc' ) ! particle concentration (requires ghostpoint exchange)
	280	IF ( av == 0 ) THEN
	281	tend = prt_count
	282	CALL exchange_horiz( tend, nbgp )
	283	DO i = 1, mask_size_l(mid,1)
	284	DO j = 1, mask_size_l(mid,2)
	285	DO k = 1, mask_size_l(mid,3)
	286	local_pf(i,j,k) = tend(mask_k(mid,k), &
	287	mask_j(mid,j),mask_i(mid,i))
	288	ENDDO
	289	ENDDO
	290	ENDDO
	291	resorted = .TRUE.
	292	ELSE
	293	CALL exchange_horiz( pc_av, nbgp )
	294	to_be_resorted => pc_av
	295	ENDIF
	296
[1359]	297	CASE ( 'pr' ) ! mean particle radius (effective radius)
[1320]	298	IF ( av == 0 ) THEN
[1359]	299	IF ( simulated_time >= particle_advection_start ) THEN
	300	DO i = nxl, nxr
	301	DO j = nys, nyn
	302	DO k = nzb, nz_do3d
	303	number_of_particles = prt_count(k,j,i)
	304	IF (number_of_particles <= 0) CYCLE
	305	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
	306	s_r2 = 0.0_wp
	307	s_r3 = 0.0_wp
	308	DO n = 1, number_of_particles
	309	IF ( particles(n)%particle_mask ) THEN
	310	s_r2 = s_r2 + grid_particles(k,j,i)%particles(n)%radius*2 &
	311	grid_particles(k,j,i)%particles(n)%weight_factor
	312	s_r3 = s_r3 + grid_particles(k,j,i)%particles(n)%radius*3 &
	313	grid_particles(k,j,i)%particles(n)%weight_factor
	314	ENDIF
	315	ENDDO
	316	IF ( s_r2 > 0.0_wp ) THEN
	317	mean_r = s_r3 / s_r2
	318	ELSE
	319	mean_r = 0.0_wp
	320	ENDIF
	321	tend(k,j,i) = mean_r
[1320]	322	ENDDO
	323	ENDDO
	324	ENDDO
[1359]	325	CALL exchange_horiz( tend, nbgp )
	326	ELSE
	327	tend = 0.0_wp
	328	ENDIF
[1320]	329	DO i = 1, mask_size_l(mid,1)
	330	DO j = 1, mask_size_l(mid,2)
	331	DO k = 1, mask_size_l(mid,3)
	332	local_pf(i,j,k) = tend(mask_k(mid,k), &
	333	mask_j(mid,j),mask_i(mid,i))
	334	ENDDO
	335	ENDDO
	336	ENDDO
	337	resorted = .TRUE.
	338	ELSE
	339	CALL exchange_horiz( pr_av, nbgp )
	340	to_be_resorted => pr_av
	341	ENDIF
	342
	343	CASE ( 'pt' )
	344	IF ( av == 0 ) THEN
	345	IF ( .NOT. cloud_physics ) THEN
	346	to_be_resorted => pt
	347	ELSE
	348	DO i = 1, mask_size_l(mid,1)
	349	DO j = 1, mask_size_l(mid,2)
	350	DO k = 1, mask_size_l(mid,3)
	351	local_pf(i,j,k) = &
	352	pt(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) &
	353	+ l_d_cp * pt_d_t(mask_k(mid,k)) * &
	354	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
	355	ENDDO
	356	ENDDO
	357	ENDDO
	358	resorted = .TRUE.
	359	ENDIF
	360	ELSE
	361	to_be_resorted => pt_av
	362	ENDIF
	363
	364	CASE ( 'q' )
	365	IF ( av == 0 ) THEN
	366	to_be_resorted => q
	367	ELSE
	368	to_be_resorted => q_av
	369	ENDIF
	370
[1438]	371	CASE ( 'qc' )
	372	IF ( av == 0 ) THEN
	373	to_be_resorted => qc
	374	ELSE
	375	to_be_resorted => qc_av
	376	ENDIF
	377
[1320]	378	CASE ( 'ql' )
	379	IF ( av == 0 ) THEN
	380	to_be_resorted => ql
	381	ELSE
	382	to_be_resorted => ql_av
	383	ENDIF
	384
	385	CASE ( 'ql_c' )
	386	IF ( av == 0 ) THEN
	387	to_be_resorted => ql_c
	388	ELSE
	389	to_be_resorted => ql_c_av
	390	ENDIF
	391
	392	CASE ( 'ql_v' )
	393	IF ( av == 0 ) THEN
	394	to_be_resorted => ql_v
	395	ELSE
	396	to_be_resorted => ql_v_av
	397	ENDIF
	398
	399	CASE ( 'ql_vp' )
	400	IF ( av == 0 ) THEN
[1359]	401	IF ( simulated_time >= particle_advection_start ) THEN
	402	DO i = nxl, nxr
	403	DO j = nys, nyn
	404	DO k = nzb, nz_do3d
	405	number_of_particles = prt_count(k,j,i)
	406	IF (number_of_particles <= 0) CYCLE
	407	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
	408	DO n = 1, number_of_particles
	409	IF ( particles(n)%particle_mask ) THEN
	410	tend(k,j,i) = tend(k,j,i) + &
[1320]	411	particles(n)%weight_factor / &
	412	prt_count(k,j,i)
[1359]	413	ENDIF
	414	ENDDO
[1320]	415	ENDDO
	416	ENDDO
	417	ENDDO
[1359]	418	CALL exchange_horiz( tend, nbgp )
	419	ELSE
	420	tend = 0.0_wp
	421	ENDIF
[1320]	422	DO i = 1, mask_size_l(mid,1)
	423	DO j = 1, mask_size_l(mid,2)
	424	DO k = 1, mask_size_l(mid,3)
	425	local_pf(i,j,k) = tend(mask_k(mid,k), &
	426	mask_j(mid,j),mask_i(mid,i))
	427	ENDDO
	428	ENDDO
	429	ENDDO
	430	resorted = .TRUE.
	431	ELSE
	432	CALL exchange_horiz( ql_vp_av, nbgp )
	433	to_be_resorted => ql_vp_av
	434	ENDIF
	435
	436	CASE ( 'qv' )
	437	IF ( av == 0 ) THEN
	438	DO i = 1, mask_size_l(mid,1)
	439	DO j = 1, mask_size_l(mid,2)
	440	DO k = 1, mask_size_l(mid,3)
	441	local_pf(i,j,k) = &
	442	q(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) - &
	443	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
	444	ENDDO
	445	ENDDO
	446	ENDDO
	447	resorted = .TRUE.
	448	ELSE
	449	to_be_resorted => qv_av
	450	ENDIF
	451
[1438]	452	CASE ( 'qr' )
	453	IF ( av == 0 ) THEN
	454	to_be_resorted => qr
	455	ELSE
	456	to_be_resorted => qr_av
	457	ENDIF
	458
[2031]	459	CASE ( 'rho_ocean' )
[1320]	460	IF ( av == 0 ) THEN
[2031]	461	to_be_resorted => rho_ocean
[1320]	462	ELSE
[2031]	463	to_be_resorted => rho_ocean_av
[1320]	464	ENDIF
	465
	466	CASE ( 's' )
	467	IF ( av == 0 ) THEN
[1960]	468	to_be_resorted => s
[1320]	469	ELSE
	470	to_be_resorted => s_av
	471	ENDIF
	472
	473	CASE ( 'sa' )
	474	IF ( av == 0 ) THEN
	475	to_be_resorted => sa
	476	ELSE
	477	to_be_resorted => sa_av
	478	ENDIF
	479
	480	CASE ( 'u' )
	481	IF ( av == 0 ) THEN
	482	to_be_resorted => u
	483	ELSE
	484	to_be_resorted => u_av
	485	ENDIF
	486
	487	CASE ( 'v' )
	488	IF ( av == 0 ) THEN
	489	to_be_resorted => v
	490	ELSE
	491	to_be_resorted => v_av
	492	ENDIF
	493
	494	CASE ( 'vpt' )
	495	IF ( av == 0 ) THEN
	496	to_be_resorted => vpt
	497	ELSE
	498	to_be_resorted => vpt_av
	499	ENDIF
	500
	501	CASE ( 'w' )
	502	IF ( av == 0 ) THEN
	503	to_be_resorted => w
	504	ELSE
	505	to_be_resorted => w_av
	506	ENDIF
	507
	508	CASE DEFAULT
[1976]	509
[1320]	510	!
[1976]	511	!-- Radiation quantity
	512	IF ( radiation ) THEN
	513	CALL radiation_data_output_mask(av, domask(mid,av,if), found, &
	514	local_pf )
	515	ENDIF
	516
	517	!
[1320]	518	!-- User defined quantity
[1976]	519	IF ( .NOT. found ) THEN
	520	CALL user_data_output_mask(av, domask(mid,av,if), found, &
	521	local_pf )
	522	ENDIF
	523
[1320]	524	resorted = .TRUE.
	525
	526	IF ( .NOT. found ) THEN
	527	WRITE ( message_string, * ) 'no output available for: ', &
	528	TRIM( domask(mid,av,if) )
	529	CALL message( 'data_output_mask', 'PA0327', 0, 0, 0, 6, 0 )
	530	ENDIF
	531
	532	END SELECT
	533
	534	!
	535	!-- Resort the array to be output, if not done above
	536	IF ( .NOT. resorted ) THEN
	537	DO i = 1, mask_size_l(mid,1)
	538	DO j = 1, mask_size_l(mid,2)
	539	DO k = 1, mask_size_l(mid,3)
	540	local_pf(i,j,k) = to_be_resorted(mask_k(mid,k), &
	541	mask_j(mid,j),mask_i(mid,i))
	542	ENDDO
	543	ENDDO
	544	ENDDO
	545	ENDIF
	546
	547	!
	548	!-- I/O block. I/O methods are implemented
	549	!-- (1) for parallel execution
	550	!-- a. with netCDF 4 parallel I/O-enabled library
	551	!-- b. with netCDF 3 library
	552	!-- (2) for serial execution.
	553	!-- The choice of method depends on the correct setting of preprocessor
	554	!-- directives __parallel and __netcdf4_parallel as well as on the parameter
	555	!-- netcdf_data_format.
	556	#if defined( __parallel )
	557	#if defined( __netcdf4_parallel )
	558	IF ( netcdf_data_format > 4 ) THEN
	559	!
	560	!-- (1) a. Parallel I/O using netCDF 4 (not yet tested)
	561	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
	562	id_var_domask(mid,av,if), &
	563	local_pf, &
	564	start = (/ mask_start_l(mid,1), mask_start_l(mid,2), &
	565	mask_start_l(mid,3), domask_time_count(mid,av) /), &
	566	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
	567	mask_size_l(mid,3), 1 /) )
[1783]	568	CALL netcdf_handle_error( 'data_output_mask', 461 )
[1320]	569	ELSE
	570	#endif
	571	!
	572	!-- (1) b. Conventional I/O only through PE0
	573	!-- PE0 receives partial arrays from all processors of the respective mask
	574	!-- and outputs them. Here a barrier has to be set, because otherwise
	575	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
	576	CALL MPI_BARRIER( comm2d, ierr )
	577
	578	ngp = mask_size_l(mid,1) * mask_size_l(mid,2) * mask_size_l(mid,3)
	579	IF ( myid == 0 ) THEN
	580	!
	581	!-- Local array can be relocated directly.
	582	total_pf( &
	583	mask_start_l(mid,1):mask_start_l(mid,1)+mask_size_l(mid,1)-1, &
	584	mask_start_l(mid,2):mask_start_l(mid,2)+mask_size_l(mid,2)-1, &
	585	mask_start_l(mid,3):mask_start_l(mid,3)+mask_size_l(mid,3)-1 ) &
	586	= local_pf
	587	!
	588	!-- Receive data from all other PEs.
	589	DO n = 1, numprocs-1
	590	!
	591	!-- Receive index limits first, then array.
	592	!-- Index limits are received in arbitrary order from the PEs.
	593	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	594	comm2d, status, ierr )
	595	!
	596	!-- Not all PEs have data for the mask
	597	IF ( ind(1) /= -9999 ) THEN
	598	ngp = ( ind(2)-ind(1)+1 ) * (ind(4)-ind(3)+1 ) * &
	599	( ind(6)-ind(5)+1 )
	600	sender = status(MPI_SOURCE)
	601	DEALLOCATE( local_pf )
	602	ALLOCATE(local_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)))
	603	CALL MPI_RECV( local_pf(ind(1),ind(3),ind(5)), ngp, &
	604	MPI_REAL, sender, 1, comm2d, status, ierr )
	605	total_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)) &
	606	= local_pf
	607	ENDIF
	608	ENDDO
	609
	610	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
	611	id_var_domask(mid,av,if), total_pf, &
	612	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
	613	count = (/ mask_size(mid,1), mask_size(mid,2), &
	614	mask_size(mid,3), 1 /) )
[1783]	615	CALL netcdf_handle_error( 'data_output_mask', 462 )
[1320]	616
	617	ELSE
	618	!
	619	!-- If at least part of the mask resides on the PE, send the index
	620	!-- limits for the target array, otherwise send -9999 to PE0.
	621	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	622	mask_size_l(mid,3) > 0 ) &
	623	THEN
	624	ind(1) = mask_start_l(mid,1)
	625	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	626	ind(3) = mask_start_l(mid,2)
	627	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	628	ind(5) = mask_start_l(mid,3)
	629	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	630	ELSE
	631	ind(1) = -9999; ind(2) = -9999
	632	ind(3) = -9999; ind(4) = -9999
	633	ind(5) = -9999; ind(6) = -9999
	634	ENDIF
	635	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	636	!
	637	!-- If applicable, send data to PE0.
	638	IF ( ind(1) /= -9999 ) THEN
	639	CALL MPI_SEND( local_pf(1,1,1), ngp, MPI_REAL, 0, 1, comm2d, &
	640	ierr )
	641	ENDIF
	642	ENDIF
	643	!
	644	!-- A barrier has to be set, because otherwise some PEs may proceed too
	645	!-- fast so that PE0 may receive wrong data on tag 0.
	646	CALL MPI_BARRIER( comm2d, ierr )
	647	#if defined( __netcdf4_parallel )
	648	ENDIF
	649	#endif
	650	#else
	651	!
	652	!-- (2) For serial execution of PALM, the single processor (PE0) holds all
	653	!-- data and writes them directly to file.
	654	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
	655	id_var_domask(mid,av,if), &
	656	local_pf, &
	657	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
	658	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
	659	mask_size_l(mid,3), 1 /) )
[1783]	660	CALL netcdf_handle_error( 'data_output_mask', 463 )
[1320]	661	#endif
	662
	663	if = if + 1
	664
	665	ENDDO
	666
	667	!
	668	!-- Deallocate temporary arrays.
	669	DEALLOCATE( local_pf )
	670	#if defined( __parallel )
	671	IF ( myid == 0 ) THEN
	672	DEALLOCATE( total_pf )
	673	ENDIF
	674	#endif
	675
[1783]	676	!
	677	!-- Switch back to original format given by user (see beginning of this routine)
	678	netcdf_data_format = netcdf_data_format_save
[1320]	679
	680	CALL cpu_log( log_point(49), 'data_output_mask', 'stop' )
	681	#endif
	682
	683	END SUBROUTINE data_output_mask

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