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source: palm/trunk/SOURCE/data_output_2d.f90 @ 2719

Last change on this file since 2719 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: 84.3 KB

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1	!> @file data_output_2d.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_2d.f90 2718 2018-01-02 08:49:38Z maronga $
27	! Corrected "Former revisions" section
28	!
29	! 2696 2017-12-14 17:12:51Z kanani
30	! Change in file header (GPL part)
31	! Implementation of uv exposure model (FK)
32	! Implementation of turbulence_closure_mod (TG)
33	! Set fill values at topography grid points or e.g. non-natural-type surface
34	! in case of LSM output (MS)
35	!
36	! 2512 2017-10-04 08:26:59Z raasch
37	! upper bounds of cross section output changed from nx+1,ny+1 to nx,ny
38	! no output of ghost layer data
39	!
40	! 2292 2017-06-20 09:51:42Z schwenkel
41	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
42	! includes two more prognostic equations for cloud drop concentration (nc)
43	! and cloud water content (qc).
44	!
45	! 2277 2017-06-12 10:47:51Z kanani
46	! Removed unused variables do2d_xy_n, do2d_xz_n, do2d_yz_n
47	!
48	! 2233 2017-05-30 18:08:54Z suehring
49	!
50	! 2232 2017-05-30 17:47:52Z suehring
51	! Adjustments to new surface concept
52	!
53	!
54	! 2190 2017-03-21 12:16:43Z raasch
55	! bugfix for r2031: string rho replaced by rho_ocean
56	!
57	! 2031 2016-10-21 15:11:58Z knoop
58	! renamed variable rho to rho_ocean and rho_av to rho_ocean_av
59	!
60	! 2000 2016-08-20 18:09:15Z knoop
61	! Forced header and separation lines into 80 columns
62	!
63	! 1980 2016-07-29 15:51:57Z suehring
64	! Bugfix, in order to steer user-defined output, setting flag found explicitly
65	! to .F.
66	!
67	! 1976 2016-07-27 13:28:04Z maronga
68	! Output of radiation quantities is now done directly in the respective module
69	!
70	! 1972 2016-07-26 07:52:02Z maronga
71	! Output of land surface quantities is now done directly in the respective
72	! module
73	!
74	! 1960 2016-07-12 16:34:24Z suehring
75	! Scalar surface flux added
76	! Rename INTEGER variable s into s_ind, as s is already assigned to scalar
77	!
78	! 1849 2016-04-08 11:33:18Z hoffmann
79	! precipitation_amount, precipitation_rate, prr moved to arrays_3d
80	!
81	! 1822 2016-04-07 07:49:42Z hoffmann
82	! Output of bulk cloud physics simplified.
83	!
84	! 1788 2016-03-10 11:01:04Z maronga
85	! Added output of z0q
86	!
87	! 1783 2016-03-06 18:36:17Z raasch
88	! name change of netcdf routines and module + related changes
89	!
90	! 1745 2016-02-05 13:06:51Z gronemeier
91	! Bugfix: test if time axis limit exceeds moved to point after call of check_open
92	!
93	! 1703 2015-11-02 12:38:44Z raasch
94	! bugfix for output of single (*) xy-sections in case of parallel netcdf I/O
95	!
96	! 1701 2015-11-02 07:43:04Z maronga
97	! Bugfix in output of RRTGM data
98	!
99	! 1691 2015-10-26 16:17:44Z maronga
100	! Added output of Obukhov length (ol) and radiative heating rates for RRTMG.
101	! Formatting corrections.
102	!
103	! 1682 2015-10-07 23:56:08Z knoop
104	! Code annotations made doxygen readable
105	!
106	! 1585 2015-04-30 07:05:52Z maronga
107	! Added support for RRTMG
108	!
109	! 1555 2015-03-04 17:44:27Z maronga
110	! Added output of r_a and r_s
111	!
112	! 1551 2015-03-03 14:18:16Z maronga
113	! Added suppport for land surface model and radiation model output. In the course
114	! of this action, the limits for vertical loops have been changed (from nzb and
115	! nzt+1 to nzb_do and nzt_do, respectively in order to allow soil model output).
116	! Moreover, a new vertical grid zs was introduced.
117	!
118	! 1359 2014-04-11 17:15:14Z hoffmann
119	! New particle structure integrated.
120	!
121	! 1353 2014-04-08 15:21:23Z heinze
122	! REAL constants provided with KIND-attribute
123	!
124	! 1327 2014-03-21 11:00:16Z raasch
125	! parts concerning iso2d output removed,
126	! -netcdf output queries
127	!
128	! 1320 2014-03-20 08:40:49Z raasch
129	! ONLY-attribute added to USE-statements,
130	! kind-parameters added to all INTEGER and REAL declaration statements,
131	! kinds are defined in new module kinds,
132	! revision history before 2012 removed,
133	! comment fields (!:) to be used for variable explanations added to
134	! all variable declaration statements
135	!
136	! 1318 2014-03-17 13:35:16Z raasch
137	! barrier argument removed from cpu_log.
138	! module interfaces removed
139	!
140	! 1311 2014-03-14 12:13:39Z heinze
141	! bugfix: close #if defined( __netcdf )
142	!
143	! 1308 2014-03-13 14:58:42Z fricke
144	! +local_2d_sections, local_2d_sections_l, ns
145	! Check, if the limit of the time dimension is exceeded for parallel output
146	! To increase the performance for parallel output, the following is done:
147	! - Update of time axis is only done by PE0
148	! - Cross sections are first stored on a local array and are written
149	! collectively to the output file by all PEs.
150	!
151	! 1115 2013-03-26 18:16:16Z hoffmann
152	! ql is calculated by calc_liquid_water_content
153	!
154	! 1076 2012-12-05 08:30:18Z hoffmann
155	! Bugfix in output of ql
156	!
157	! 1065 2012-11-22 17:42:36Z hoffmann
158	! Bugfix: Output of cross sections of ql
159	!
160	! 1053 2012-11-13 17:11:03Z hoffmann
161	! +qr, nr, qc and cross sections
162	!
163	! 1036 2012-10-22 13:43:42Z raasch
164	! code put under GPL (PALM 3.9)
165	!
166	! 1031 2012-10-19 14:35:30Z raasch
167	! netCDF4 without parallel file support implemented
168	!
169	! 1007 2012-09-19 14:30:36Z franke
170	! Bugfix: missing calculation of ql_vp added
171	!
172	! 978 2012-08-09 08:28:32Z fricke
173	! +z0h
174	!
175	! Revision 1.1 1997/08/11 06:24:09 raasch
176	! Initial revision
177	!
178	!
179	! Description:
180	! ------------
181	!> Data output of cross-sections in netCDF format or binary format
182	!> to be later converted to NetCDF by helper routine combine_plot_fields.
183	!> Attention: The position of the sectional planes is still not always computed
184	!> --------- correctly. (zu is used always)!
185	!------------------------------------------------------------------------------!
186	SUBROUTINE data_output_2d( mode, av )
187
188
189	USE arrays_3d, &
190	ONLY: dzw, e, nc, nr, p, pt, precipitation_amount, precipitation_rate,&
191	prr, q, qc, ql, ql_c, ql_v, ql_vp, qr, rho_ocean, s, sa, &
192	tend, u, v, vpt, w, zu, zw
193
194	USE averaging
195
196	USE cloud_parameters, &
197	ONLY: hyrho, l_d_cp, pt_d_t
198
199	USE control_parameters, &
200	ONLY: cloud_physics, data_output_2d_on_each_pe, data_output_xy, &
201	data_output_xz, data_output_yz, do2d, &
202	do2d_xy_last_time, do2d_xy_time_count, &
203	do2d_xz_last_time, do2d_xz_time_count, &
204	do2d_yz_last_time, do2d_yz_time_count, &
205	ibc_uv_b, io_blocks, io_group, land_surface, message_string, &
206	ntdim_2d_xy, ntdim_2d_xz, ntdim_2d_yz, &
207	psolver, section, simulated_time, simulated_time_chr, &
208	time_since_reference_point, uv_exposure
209
210	USE cpulog, &
211	ONLY: cpu_log, log_point
212
213	USE grid_variables, &
214	ONLY: dx, dy
215
216	USE indices, &
217	ONLY: nbgp, nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt, wall_flags_0
218
219	USE kinds
220
221	USE land_surface_model_mod, &
222	ONLY: lsm_data_output_2d, zs
223
224	#if defined( __netcdf )
225	USE NETCDF
226	#endif
227
228	USE netcdf_interface, &
229	ONLY: fill_value, id_set_xy, id_set_xz, id_set_yz, id_var_do2d, &
230	id_var_time_xy, id_var_time_xz, id_var_time_yz, nc_stat, &
231	netcdf_data_format, netcdf_handle_error
232
233	USE particle_attributes, &
234	ONLY: grid_particles, number_of_particles, particle_advection_start, &
235	particles, prt_count
236
237	USE pegrid
238
239	USE radiation_model_mod, &
240	ONLY: radiation, radiation_data_output_2d
241
242	USE surface_mod, &
243	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
244
245	USE turbulence_closure_mod, &
246	ONLY: tcm_data_output_2d
247
248	USE uv_exposure_model_mod, &
249	ONLY: uvem_data_output_2d
250
251
252	IMPLICIT NONE
253
254	CHARACTER (LEN=2) :: do2d_mode !<
255	CHARACTER (LEN=2) :: mode !<
256	CHARACTER (LEN=4) :: grid !<
257	CHARACTER (LEN=25) :: section_chr !<
258	CHARACTER (LEN=50) :: rtext !<
259
260	INTEGER(iwp) :: av !<
261	INTEGER(iwp) :: ngp !<
262	INTEGER(iwp) :: file_id !<
263	INTEGER(iwp) :: flag_nr !< number of masking flag
264	INTEGER(iwp) :: i !<
265	INTEGER(iwp) :: if !<
266	INTEGER(iwp) :: is !<
267	INTEGER(iwp) :: iis !<
268	INTEGER(iwp) :: j !<
269	INTEGER(iwp) :: k !<
270	INTEGER(iwp) :: l !<
271	INTEGER(iwp) :: layer_xy !<
272	INTEGER(iwp) :: m !<
273	INTEGER(iwp) :: n !<
274	INTEGER(iwp) :: nis !<
275	INTEGER(iwp) :: ns !<
276	INTEGER(iwp) :: nzb_do !< lower limit of the data field (usually nzb)
277	INTEGER(iwp) :: nzt_do !< upper limit of the data field (usually nzt+1)
278	INTEGER(iwp) :: psi !<
279	INTEGER(iwp) :: s_ind !<
280	INTEGER(iwp) :: sender !<
281	INTEGER(iwp) :: ind(4) !<
282
283	LOGICAL :: found !<
284	LOGICAL :: resorted !<
285	LOGICAL :: two_d !<
286
287	REAL(wp) :: mean_r !<
288	REAL(wp) :: s_r2 !<
289	REAL(wp) :: s_r3 !<
290
291	REAL(wp), DIMENSION(:), ALLOCATABLE :: level_z !<
292	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: local_2d !<
293	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: local_2d_l !<
294
295	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
296	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_2d_sections !<
297	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_2d_sections_l !<
298
299	#if defined( __parallel )
300	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: total_2d !<
301	#endif
302	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
303
304	NAMELIST /LOCAL/ rtext
305
306	!
307	!-- Immediate return, if no output is requested (no respective sections
308	!-- found in parameter data_output)
309	IF ( mode == 'xy' .AND. .NOT. data_output_xy(av) ) RETURN
310	IF ( mode == 'xz' .AND. .NOT. data_output_xz(av) ) RETURN
311	IF ( mode == 'yz' .AND. .NOT. data_output_yz(av) ) RETURN
312
313	CALL cpu_log (log_point(3),'data_output_2d','start')
314
315	two_d = .FALSE. ! local variable to distinguish between output of pure 2D
316	! arrays and cross-sections of 3D arrays.
317
318	!
319	!-- Depending on the orientation of the cross-section, the respective output
320	!-- files have to be opened.
321	SELECT CASE ( mode )
322
323	CASE ( 'xy' )
324	s_ind = 1
325	ALLOCATE( level_z(nzb:nzt+1), local_2d(nxl:nxr,nys:nyn) )
326
327	IF ( netcdf_data_format > 4 ) THEN
328	ns = 1
329	DO WHILE ( section(ns,s_ind) /= -9999 .AND. ns <= 100 )
330	ns = ns + 1
331	ENDDO
332	ns = ns - 1
333	ALLOCATE( local_2d_sections(nxl:nxr,nys:nyn,1:ns) )
334	local_2d_sections = 0.0_wp
335	ENDIF
336
337	!
338	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
339	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
340	CALL check_open( 101+av*10 )
341	ENDIF
342	IF ( data_output_2d_on_each_pe ) THEN
343	CALL check_open( 21 )
344	ELSE
345	IF ( myid == 0 ) THEN
346	#if defined( __parallel )
347	ALLOCATE( total_2d(0:nx,0:ny) )
348	#endif
349	ENDIF
350	ENDIF
351
352	CASE ( 'xz' )
353	s_ind = 2
354	ALLOCATE( local_2d(nxl:nxr,nzb:nzt+1) )
355
356	IF ( netcdf_data_format > 4 ) THEN
357	ns = 1
358	DO WHILE ( section(ns,s_ind) /= -9999 .AND. ns <= 100 )
359	ns = ns + 1
360	ENDDO
361	ns = ns - 1
362	ALLOCATE( local_2d_sections(nxl:nxr,1:ns,nzb:nzt+1) )
363	ALLOCATE( local_2d_sections_l(nxl:nxr,1:ns,nzb:nzt+1) )
364	local_2d_sections = 0.0_wp; local_2d_sections_l = 0.0_wp
365	ENDIF
366
367	!
368	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
369	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
370	CALL check_open( 102+av*10 )
371	ENDIF
372
373	IF ( data_output_2d_on_each_pe ) THEN
374	CALL check_open( 22 )
375	ELSE
376	IF ( myid == 0 ) THEN
377	#if defined( __parallel )
378	ALLOCATE( total_2d(0:nx,nzb:nzt+1) )
379	#endif
380	ENDIF
381	ENDIF
382
383	CASE ( 'yz' )
384	s_ind = 3
385	ALLOCATE( local_2d(nys:nyn,nzb:nzt+1) )
386
387	IF ( netcdf_data_format > 4 ) THEN
388	ns = 1
389	DO WHILE ( section(ns,s_ind) /= -9999 .AND. ns <= 100 )
390	ns = ns + 1
391	ENDDO
392	ns = ns - 1
393	ALLOCATE( local_2d_sections(1:ns,nys:nyn,nzb:nzt+1) )
394	ALLOCATE( local_2d_sections_l(1:ns,nys:nyn,nzb:nzt+1) )
395	local_2d_sections = 0.0_wp; local_2d_sections_l = 0.0_wp
396	ENDIF
397
398	!
399	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
400	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
401	CALL check_open( 103+av*10 )
402	ENDIF
403
404	IF ( data_output_2d_on_each_pe ) THEN
405	CALL check_open( 23 )
406	ELSE
407	IF ( myid == 0 ) THEN
408	#if defined( __parallel )
409	ALLOCATE( total_2d(0:ny,nzb:nzt+1) )
410	#endif
411	ENDIF
412	ENDIF
413
414	CASE DEFAULT
415	message_string = 'unknown cross-section: ' // TRIM( mode )
416	CALL message( 'data_output_2d', 'PA0180', 1, 2, 0, 6, 0 )
417
418	END SELECT
419
420	!
421	!-- For parallel netcdf output the time axis must be limited. Return, if this
422	!-- limit is exceeded. This could be the case, if the simulated time exceeds
423	!-- the given end time by the length of the given output interval.
424	IF ( netcdf_data_format > 4 ) THEN
425	IF ( mode == 'xy' .AND. do2d_xy_time_count(av) + 1 > &
426	ntdim_2d_xy(av) ) THEN
427	WRITE ( message_string, * ) 'Output of xy cross-sections is not ', &
428	'given at t=', simulated_time, '&because the', &
429	' maximum number of output time levels is exceeded.'
430	CALL message( 'data_output_2d', 'PA0384', 0, 1, 0, 6, 0 )
431	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
432	RETURN
433	ENDIF
434	IF ( mode == 'xz' .AND. do2d_xz_time_count(av) + 1 > &
435	ntdim_2d_xz(av) ) THEN
436	WRITE ( message_string, * ) 'Output of xz cross-sections is not ', &
437	'given at t=', simulated_time, '&because the', &
438	' maximum number of output time levels is exceeded.'
439	CALL message( 'data_output_2d', 'PA0385', 0, 1, 0, 6, 0 )
440	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
441	RETURN
442	ENDIF
443	IF ( mode == 'yz' .AND. do2d_yz_time_count(av) + 1 > &
444	ntdim_2d_yz(av) ) THEN
445	WRITE ( message_string, * ) 'Output of yz cross-sections is not ', &
446	'given at t=', simulated_time, '&because the', &
447	' maximum number of output time levels is exceeded.'
448	CALL message( 'data_output_2d', 'PA0386', 0, 1, 0, 6, 0 )
449	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
450	RETURN
451	ENDIF
452	ENDIF
453
454	!
455	!-- Allocate a temporary array for resorting (kji -> ijk).
456	ALLOCATE( local_pf(nxl:nxr,nys:nyn,nzb:nzt+1) )
457	local_pf = 0.0
458
459	!
460	!-- Loop of all variables to be written.
461	!-- Output dimensions chosen
462	if = 1
463	l = MAX( 2, LEN_TRIM( do2d(av,if) ) )
464	do2d_mode = do2d(av,if)(l-1:l)
465
466	DO WHILE ( do2d(av,if)(1:1) /= ' ' )
467
468	IF ( do2d_mode == mode ) THEN
469	!
470	!-- Set flag to steer output of radiation, land-surface, or user-defined
471	!-- quantities
472	found = .FALSE.
473
474	nzb_do = nzb
475	nzt_do = nzt+1
476	!
477	!-- Before each output, set array local_pf to fill value
478	local_pf = fill_value
479	!
480	!-- Set masking flag for topography for not resorted arrays
481	flag_nr = 0
482
483	!
484	!-- Store the array chosen on the temporary array.
485	resorted = .FALSE.
486	SELECT CASE ( TRIM( do2d(av,if) ) )
487	CASE ( 'e_xy', 'e_xz', 'e_yz' )
488	IF ( av == 0 ) THEN
489	to_be_resorted => e
490	ELSE
491	to_be_resorted => e_av
492	ENDIF
493	IF ( mode == 'xy' ) level_z = zu
494
495	CASE ( 'lpt_xy', 'lpt_xz', 'lpt_yz' )
496	IF ( av == 0 ) THEN
497	to_be_resorted => pt
498	ELSE
499	to_be_resorted => lpt_av
500	ENDIF
501	IF ( mode == 'xy' ) level_z = zu
502
503	CASE ( 'lwp*_xy' ) ! 2d-array
504	IF ( av == 0 ) THEN
505	DO i = nxl, nxr
506	DO j = nys, nyn
507	local_pf(i,j,nzb+1) = SUM( ql(nzb:nzt,j,i) * &
508	dzw(1:nzt+1) )
509	ENDDO
510	ENDDO
511	ELSE
512	DO i = nxl, nxr
513	DO j = nys, nyn
514	local_pf(i,j,nzb+1) = lwp_av(j,i)
515	ENDDO
516	ENDDO
517	ENDIF
518	resorted = .TRUE.
519	two_d = .TRUE.
520	level_z(nzb+1) = zu(nzb+1)
521
522	CASE ( 'nc_xy', 'nc_xz', 'nc_yz' )
523	IF ( av == 0 ) THEN
524	to_be_resorted => nc
525	ELSE
526	to_be_resorted => nc_av
527	ENDIF
528	IF ( mode == 'xy' ) level_z = zu
529
530	CASE ( 'nr_xy', 'nr_xz', 'nr_yz' )
531	IF ( av == 0 ) THEN
532	to_be_resorted => nr
533	ELSE
534	to_be_resorted => nr_av
535	ENDIF
536	IF ( mode == 'xy' ) level_z = zu
537
538	CASE ( 'ol*_xy' ) ! 2d-array
539	IF ( av == 0 ) THEN
540	DO m = 1, surf_def_h(0)%ns
541	i = surf_def_h(0)%i(m)
542	j = surf_def_h(0)%j(m)
543	local_pf(i,j,nzb+1) = surf_def_h(0)%ol(m)
544	ENDDO
545	DO m = 1, surf_lsm_h%ns
546	i = surf_lsm_h%i(m)
547	j = surf_lsm_h%j(m)
548	local_pf(i,j,nzb+1) = surf_lsm_h%ol(m)
549	ENDDO
550	DO m = 1, surf_usm_h%ns
551	i = surf_usm_h%i(m)
552	j = surf_usm_h%j(m)
553	local_pf(i,j,nzb+1) = surf_usm_h%ol(m)
554	ENDDO
555	ELSE
556	DO i = nxl, nxr
557	DO j = nys, nyn
558	local_pf(i,j,nzb+1) = ol_av(j,i)
559	ENDDO
560	ENDDO
561	ENDIF
562	resorted = .TRUE.
563	two_d = .TRUE.
564	level_z(nzb+1) = zu(nzb+1)
565
566	CASE ( 'p_xy', 'p_xz', 'p_yz' )
567	IF ( av == 0 ) THEN
568	IF ( psolver /= 'sor' ) CALL exchange_horiz( p, nbgp )
569	to_be_resorted => p
570	ELSE
571	IF ( psolver /= 'sor' ) CALL exchange_horiz( p_av, nbgp )
572	to_be_resorted => p_av
573	ENDIF
574	IF ( mode == 'xy' ) level_z = zu
575
576	CASE ( 'pc_xy', 'pc_xz', 'pc_yz' ) ! particle concentration
577	IF ( av == 0 ) THEN
578	IF ( simulated_time >= particle_advection_start ) THEN
579	tend = prt_count
580	! CALL exchange_horiz( tend, nbgp )
581	ELSE
582	tend = 0.0_wp
583	ENDIF
584	DO i = nxl, nxr
585	DO j = nys, nyn
586	DO k = nzb, nzt+1
587	local_pf(i,j,k) = tend(k,j,i)
588	ENDDO
589	ENDDO
590	ENDDO
591	resorted = .TRUE.
592	ELSE
593	! CALL exchange_horiz( pc_av, nbgp )
594	to_be_resorted => pc_av
595	ENDIF
596
597	CASE ( 'pr_xy', 'pr_xz', 'pr_yz' ) ! mean particle radius (effective radius)
598	IF ( av == 0 ) THEN
599	IF ( simulated_time >= particle_advection_start ) THEN
600	DO i = nxl, nxr
601	DO j = nys, nyn
602	DO k = nzb, nzt+1
603	number_of_particles = prt_count(k,j,i)
604	IF (number_of_particles <= 0) CYCLE
605	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
606	s_r2 = 0.0_wp
607	s_r3 = 0.0_wp
608	DO n = 1, number_of_particles
609	IF ( particles(n)%particle_mask ) THEN
610	s_r2 = s_r2 + particles(n)%radius*2 &
611	particles(n)%weight_factor
612	s_r3 = s_r3 + particles(n)%radius*3 &
613	particles(n)%weight_factor
614	ENDIF
615	ENDDO
616	IF ( s_r2 > 0.0_wp ) THEN
617	mean_r = s_r3 / s_r2
618	ELSE
619	mean_r = 0.0_wp
620	ENDIF
621	tend(k,j,i) = mean_r
622	ENDDO
623	ENDDO
624	ENDDO
625	! CALL exchange_horiz( tend, nbgp )
626	ELSE
627	tend = 0.0_wp
628	ENDIF
629	DO i = nxl, nxr
630	DO j = nys, nyn
631	DO k = nzb, nzt+1
632	local_pf(i,j,k) = tend(k,j,i)
633	ENDDO
634	ENDDO
635	ENDDO
636	resorted = .TRUE.
637	ELSE
638	! CALL exchange_horiz( pr_av, nbgp )
639	to_be_resorted => pr_av
640	ENDIF
641
642	CASE ( 'pra*_xy' ) ! 2d-array / integral quantity => no av
643	! CALL exchange_horiz_2d( precipitation_amount )
644	DO i = nxl, nxr
645	DO j = nys, nyn
646	local_pf(i,j,nzb+1) = precipitation_amount(j,i)
647	ENDDO
648	ENDDO
649	precipitation_amount = 0.0_wp ! reset for next integ. interval
650	resorted = .TRUE.
651	two_d = .TRUE.
652	level_z(nzb+1) = zu(nzb+1)
653
654	CASE ( 'prr*_xy' ) ! 2d-array
655	IF ( av == 0 ) THEN
656	! CALL exchange_horiz_2d( prr(nzb+1,:,:) )
657	DO i = nxl, nxr
658	DO j = nys, nyn
659	local_pf(i,j,nzb+1) = prr(nzb+1,j,i) * hyrho(nzb+1)
660	ENDDO
661	ENDDO
662	ELSE
663	! CALL exchange_horiz_2d( prr_av(nzb+1,:,:) )
664	DO i = nxl, nxr
665	DO j = nys, nyn
666	local_pf(i,j,nzb+1) = prr_av(nzb+1,j,i) * hyrho(nzb+1)
667	ENDDO
668	ENDDO
669	ENDIF
670	resorted = .TRUE.
671	two_d = .TRUE.
672	level_z(nzb+1) = zu(nzb+1)
673
674	CASE ( 'prr_xy', 'prr_xz', 'prr_yz' )
675	IF ( av == 0 ) THEN
676	! CALL exchange_horiz( prr, nbgp )
677	DO i = nxl, nxr
678	DO j = nys, nyn
679	DO k = nzb, nzt+1
680	local_pf(i,j,k) = prr(k,j,i) * hyrho(nzb+1)
681	ENDDO
682	ENDDO
683	ENDDO
684	ELSE
685	! CALL exchange_horiz( prr_av, nbgp )
686	DO i = nxl, nxr
687	DO j = nys, nyn
688	DO k = nzb, nzt+1
689	local_pf(i,j,k) = prr_av(k,j,i) * hyrho(nzb+1)
690	ENDDO
691	ENDDO
692	ENDDO
693	ENDIF
694	resorted = .TRUE.
695	IF ( mode == 'xy' ) level_z = zu
696
697	CASE ( 'pt_xy', 'pt_xz', 'pt_yz' )
698	IF ( av == 0 ) THEN
699	IF ( .NOT. cloud_physics ) THEN
700	to_be_resorted => pt
701	ELSE
702	DO i = nxl, nxr
703	DO j = nys, nyn
704	DO k = nzb, nzt+1
705	local_pf(i,j,k) = pt(k,j,i) + l_d_cp * &
706	pt_d_t(k) * &
707	ql(k,j,i)
708	ENDDO
709	ENDDO
710	ENDDO
711	resorted = .TRUE.
712	ENDIF
713	ELSE
714	to_be_resorted => pt_av
715	ENDIF
716	IF ( mode == 'xy' ) level_z = zu
717
718	CASE ( 'q_xy', 'q_xz', 'q_yz' )
719	IF ( av == 0 ) THEN
720	to_be_resorted => q
721	ELSE
722	to_be_resorted => q_av
723	ENDIF
724	IF ( mode == 'xy' ) level_z = zu
725
726	CASE ( 'qc_xy', 'qc_xz', 'qc_yz' )
727	IF ( av == 0 ) THEN
728	to_be_resorted => qc
729	ELSE
730	to_be_resorted => qc_av
731	ENDIF
732	IF ( mode == 'xy' ) level_z = zu
733
734	CASE ( 'ql_xy', 'ql_xz', 'ql_yz' )
735	IF ( av == 0 ) THEN
736	to_be_resorted => ql
737	ELSE
738	to_be_resorted => ql_av
739	ENDIF
740	IF ( mode == 'xy' ) level_z = zu
741
742	CASE ( 'ql_c_xy', 'ql_c_xz', 'ql_c_yz' )
743	IF ( av == 0 ) THEN
744	to_be_resorted => ql_c
745	ELSE
746	to_be_resorted => ql_c_av
747	ENDIF
748	IF ( mode == 'xy' ) level_z = zu
749
750	CASE ( 'ql_v_xy', 'ql_v_xz', 'ql_v_yz' )
751	IF ( av == 0 ) THEN
752	to_be_resorted => ql_v
753	ELSE
754	to_be_resorted => ql_v_av
755	ENDIF
756	IF ( mode == 'xy' ) level_z = zu
757
758	CASE ( 'ql_vp_xy', 'ql_vp_xz', 'ql_vp_yz' )
759	IF ( av == 0 ) THEN
760	IF ( simulated_time >= particle_advection_start ) THEN
761	DO i = nxl, nxr
762	DO j = nys, nyn
763	DO k = nzb, nzt+1
764	number_of_particles = prt_count(k,j,i)
765	IF (number_of_particles <= 0) CYCLE
766	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
767	DO n = 1, number_of_particles
768	IF ( particles(n)%particle_mask ) THEN
769	tend(k,j,i) = tend(k,j,i) + &
770	particles(n)%weight_factor / &
771	prt_count(k,j,i)
772	ENDIF
773	ENDDO
774	ENDDO
775	ENDDO
776	ENDDO
777	! CALL exchange_horiz( tend, nbgp )
778	ELSE
779	tend = 0.0_wp
780	ENDIF
781	DO i = nxl, nxr
782	DO j = nys, nyn
783	DO k = nzb, nzt+1
784	local_pf(i,j,k) = tend(k,j,i)
785	ENDDO
786	ENDDO
787	ENDDO
788	resorted = .TRUE.
789	ELSE
790	! CALL exchange_horiz( ql_vp_av, nbgp )
791	to_be_resorted => ql_vp
792	ENDIF
793	IF ( mode == 'xy' ) level_z = zu
794
795	CASE ( 'qr_xy', 'qr_xz', 'qr_yz' )
796	IF ( av == 0 ) THEN
797	to_be_resorted => qr
798	ELSE
799	to_be_resorted => qr_av
800	ENDIF
801	IF ( mode == 'xy' ) level_z = zu
802
803	CASE ( 'qsws*_xy' ) ! 2d-array
804	IF ( av == 0 ) THEN
805	DO m = 1, surf_def_h(0)%ns
806	i = surf_def_h(0)%i(m)
807	j = surf_def_h(0)%j(m)
808	local_pf(i,j,nzb+1) = surf_def_h(0)%qsws(m)
809	ENDDO
810	DO m = 1, surf_lsm_h%ns
811	i = surf_lsm_h%i(m)
812	j = surf_lsm_h%j(m)
813	local_pf(i,j,nzb+1) = surf_lsm_h%qsws(m)
814	ENDDO
815	DO m = 1, surf_usm_h%ns
816	i = surf_usm_h%i(m)
817	j = surf_usm_h%j(m)
818	local_pf(i,j,nzb+1) = surf_usm_h%qsws(m)
819	ENDDO
820	ELSE
821	DO i = nxl, nxr
822	DO j = nys, nyn
823	local_pf(i,j,nzb+1) = qsws_av(j,i)
824	ENDDO
825	ENDDO
826	ENDIF
827	resorted = .TRUE.
828	two_d = .TRUE.
829	level_z(nzb+1) = zu(nzb+1)
830
831	CASE ( 'qv_xy', 'qv_xz', 'qv_yz' )
832	IF ( av == 0 ) THEN
833	DO i = nxl, nxr
834	DO j = nys, nyn
835	DO k = nzb, nzt+1
836	local_pf(i,j,k) = q(k,j,i) - ql(k,j,i)
837	ENDDO
838	ENDDO
839	ENDDO
840	resorted = .TRUE.
841	ELSE
842	to_be_resorted => qv_av
843	ENDIF
844	IF ( mode == 'xy' ) level_z = zu
845
846
847
848	CASE ( 'rho_ocean_xy', 'rho_ocean_xz', 'rho_ocean_yz' )
849	IF ( av == 0 ) THEN
850	to_be_resorted => rho_ocean
851	ELSE
852	to_be_resorted => rho_ocean_av
853	ENDIF
854
855	CASE ( 's_xy', 's_xz', 's_yz' )
856	IF ( av == 0 ) THEN
857	to_be_resorted => s
858	ELSE
859	to_be_resorted => s_av
860	ENDIF
861
862	CASE ( 'sa_xy', 'sa_xz', 'sa_yz' )
863	IF ( av == 0 ) THEN
864	to_be_resorted => sa
865	ELSE
866	to_be_resorted => sa_av
867	ENDIF
868
869	CASE ( 'shf*_xy' ) ! 2d-array
870	IF ( av == 0 ) THEN
871	DO m = 1, surf_def_h(0)%ns
872	i = surf_def_h(0)%i(m)
873	j = surf_def_h(0)%j(m)
874	local_pf(i,j,nzb+1) = surf_def_h(0)%shf(m)
875	ENDDO
876	DO m = 1, surf_lsm_h%ns
877	i = surf_lsm_h%i(m)
878	j = surf_lsm_h%j(m)
879	local_pf(i,j,nzb+1) = surf_lsm_h%shf(m)
880	ENDDO
881	DO m = 1, surf_usm_h%ns
882	i = surf_usm_h%i(m)
883	j = surf_usm_h%j(m)
884	local_pf(i,j,nzb+1) = surf_usm_h%shf(m)
885	ENDDO
886	ELSE
887	DO i = nxl, nxr
888	DO j = nys, nyn
889	local_pf(i,j,nzb+1) = shf_av(j,i)
890	ENDDO
891	ENDDO
892	ENDIF
893	resorted = .TRUE.
894	two_d = .TRUE.
895	level_z(nzb+1) = zu(nzb+1)
896
897	CASE ( 'ssws*_xy' ) ! 2d-array
898	IF ( av == 0 ) THEN
899	DO m = 1, surf_def_h(0)%ns
900	i = surf_def_h(0)%i(m)
901	j = surf_def_h(0)%j(m)
902	local_pf(i,j,nzb+1) = surf_def_h(0)%ssws(m)
903	ENDDO
904	DO m = 1, surf_lsm_h%ns
905	i = surf_lsm_h%i(m)
906	j = surf_lsm_h%j(m)
907	local_pf(i,j,nzb+1) = surf_lsm_h%ssws(m)
908	ENDDO
909	DO m = 1, surf_usm_h%ns
910	i = surf_usm_h%i(m)
911	j = surf_usm_h%j(m)
912	local_pf(i,j,nzb+1) = surf_usm_h%ssws(m)
913	ENDDO
914	ELSE
915	DO i = nxl, nxr
916	DO j = nys, nyn
917	local_pf(i,j,nzb+1) = ssws_av(j,i)
918	ENDDO
919	ENDDO
920	ENDIF
921	resorted = .TRUE.
922	two_d = .TRUE.
923	level_z(nzb+1) = zu(nzb+1)
924
925	CASE ( 't*_xy' ) ! 2d-array
926	IF ( av == 0 ) THEN
927	DO m = 1, surf_def_h(0)%ns
928	i = surf_def_h(0)%i(m)
929	j = surf_def_h(0)%j(m)
930	local_pf(i,j,nzb+1) = surf_def_h(0)%ts(m)
931	ENDDO
932	DO m = 1, surf_lsm_h%ns
933	i = surf_lsm_h%i(m)
934	j = surf_lsm_h%j(m)
935	local_pf(i,j,nzb+1) = surf_lsm_h%ts(m)
936	ENDDO
937	DO m = 1, surf_usm_h%ns
938	i = surf_usm_h%i(m)
939	j = surf_usm_h%j(m)
940	local_pf(i,j,nzb+1) = surf_usm_h%ts(m)
941	ENDDO
942	ELSE
943	DO i = nxl, nxr
944	DO j = nys, nyn
945	local_pf(i,j,nzb+1) = ts_av(j,i)
946	ENDDO
947	ENDDO
948	ENDIF
949	resorted = .TRUE.
950	two_d = .TRUE.
951	level_z(nzb+1) = zu(nzb+1)
952
953	CASE ( 'u_xy', 'u_xz', 'u_yz' )
954	flag_nr = 1
955	IF ( av == 0 ) THEN
956	to_be_resorted => u
957	ELSE
958	to_be_resorted => u_av
959	ENDIF
960	IF ( mode == 'xy' ) level_z = zu
961	!
962	!-- Substitute the values generated by "mirror" boundary condition
963	!-- at the bottom boundary by the real surface values.
964	IF ( do2d(av,if) == 'u_xz' .OR. do2d(av,if) == 'u_yz' ) THEN
965	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
966	ENDIF
967
968	CASE ( 'u*_xy' ) ! 2d-array
969	IF ( av == 0 ) THEN
970	DO m = 1, surf_def_h(0)%ns
971	i = surf_def_h(0)%i(m)
972	j = surf_def_h(0)%j(m)
973	local_pf(i,j,nzb+1) = surf_def_h(0)%us(m)
974	ENDDO
975	DO m = 1, surf_lsm_h%ns
976	i = surf_lsm_h%i(m)
977	j = surf_lsm_h%j(m)
978	local_pf(i,j,nzb+1) = surf_lsm_h%us(m)
979	ENDDO
980	DO m = 1, surf_usm_h%ns
981	i = surf_usm_h%i(m)
982	j = surf_usm_h%j(m)
983	local_pf(i,j,nzb+1) = surf_usm_h%us(m)
984	ENDDO
985	ELSE
986	DO i = nxl, nxr
987	DO j = nys, nyn
988	local_pf(i,j,nzb+1) = us_av(j,i)
989	ENDDO
990	ENDDO
991	ENDIF
992	resorted = .TRUE.
993	two_d = .TRUE.
994	level_z(nzb+1) = zu(nzb+1)
995
996	CASE ( 'v_xy', 'v_xz', 'v_yz' )
997	flag_nr = 2
998	IF ( av == 0 ) THEN
999	to_be_resorted => v
1000	ELSE
1001	to_be_resorted => v_av
1002	ENDIF
1003	IF ( mode == 'xy' ) level_z = zu
1004	!
1005	!-- Substitute the values generated by "mirror" boundary condition
1006	!-- at the bottom boundary by the real surface values.
1007	IF ( do2d(av,if) == 'v_xz' .OR. do2d(av,if) == 'v_yz' ) THEN
1008	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
1009	ENDIF
1010
1011	CASE ( 'vpt_xy', 'vpt_xz', 'vpt_yz' )
1012	IF ( av == 0 ) THEN
1013	to_be_resorted => vpt
1014	ELSE
1015	to_be_resorted => vpt_av
1016	ENDIF
1017	IF ( mode == 'xy' ) level_z = zu
1018
1019	CASE ( 'w_xy', 'w_xz', 'w_yz' )
1020	flag_nr = 3
1021	IF ( av == 0 ) THEN
1022	to_be_resorted => w
1023	ELSE
1024	to_be_resorted => w_av
1025	ENDIF
1026	IF ( mode == 'xy' ) level_z = zw
1027
1028	CASE ( 'z0*_xy' ) ! 2d-array
1029	IF ( av == 0 ) THEN
1030	DO m = 1, surf_def_h(0)%ns
1031	i = surf_def_h(0)%i(m)
1032	j = surf_def_h(0)%j(m)
1033	local_pf(i,j,nzb+1) = surf_def_h(0)%z0(m)
1034	ENDDO
1035	DO m = 1, surf_lsm_h%ns
1036	i = surf_lsm_h%i(m)
1037	j = surf_lsm_h%j(m)
1038	local_pf(i,j,nzb+1) = surf_lsm_h%z0(m)
1039	ENDDO
1040	DO m = 1, surf_usm_h%ns
1041	i = surf_usm_h%i(m)
1042	j = surf_usm_h%j(m)
1043	local_pf(i,j,nzb+1) = surf_usm_h%z0(m)
1044	ENDDO
1045	ELSE
1046	DO i = nxl, nxr
1047	DO j = nys, nyn
1048	local_pf(i,j,nzb+1) = z0_av(j,i)
1049	ENDDO
1050	ENDDO
1051	ENDIF
1052	resorted = .TRUE.
1053	two_d = .TRUE.
1054	level_z(nzb+1) = zu(nzb+1)
1055
1056	CASE ( 'z0h*_xy' ) ! 2d-array
1057	IF ( av == 0 ) THEN
1058	DO m = 1, surf_def_h(0)%ns
1059	i = surf_def_h(0)%i(m)
1060	j = surf_def_h(0)%j(m)
1061	local_pf(i,j,nzb+1) = surf_def_h(0)%z0h(m)
1062	ENDDO
1063	DO m = 1, surf_lsm_h%ns
1064	i = surf_lsm_h%i(m)
1065	j = surf_lsm_h%j(m)
1066	local_pf(i,j,nzb+1) = surf_lsm_h%z0h(m)
1067	ENDDO
1068	DO m = 1, surf_usm_h%ns
1069	i = surf_usm_h%i(m)
1070	j = surf_usm_h%j(m)
1071	local_pf(i,j,nzb+1) = surf_usm_h%z0h(m)
1072	ENDDO
1073	ELSE
1074	DO i = nxl, nxr
1075	DO j = nys, nyn
1076	local_pf(i,j,nzb+1) = z0h_av(j,i)
1077	ENDDO
1078	ENDDO
1079	ENDIF
1080	resorted = .TRUE.
1081	two_d = .TRUE.
1082	level_z(nzb+1) = zu(nzb+1)
1083
1084	CASE ( 'z0q*_xy' ) ! 2d-array
1085	IF ( av == 0 ) THEN
1086	DO m = 1, surf_def_h(0)%ns
1087	i = surf_def_h(0)%i(m)
1088	j = surf_def_h(0)%j(m)
1089	local_pf(i,j,nzb+1) = surf_def_h(0)%z0q(m)
1090	ENDDO
1091	DO m = 1, surf_lsm_h%ns
1092	i = surf_lsm_h%i(m)
1093	j = surf_lsm_h%j(m)
1094	local_pf(i,j,nzb+1) = surf_lsm_h%z0q(m)
1095	ENDDO
1096	DO m = 1, surf_usm_h%ns
1097	i = surf_usm_h%i(m)
1098	j = surf_usm_h%j(m)
1099	local_pf(i,j,nzb+1) = surf_usm_h%z0q(m)
1100	ENDDO
1101	ELSE
1102	DO i = nxl, nxr
1103	DO j = nys, nyn
1104	local_pf(i,j,nzb+1) = z0q_av(j,i)
1105	ENDDO
1106	ENDDO
1107	ENDIF
1108	resorted = .TRUE.
1109	two_d = .TRUE.
1110	level_z(nzb+1) = zu(nzb+1)
1111
1112	CASE DEFAULT
1113
1114	!
1115	!-- Land surface model quantity
1116	IF ( land_surface ) THEN
1117	CALL lsm_data_output_2d( av, do2d(av,if), found, grid, mode,&
1118	local_pf, two_d, nzb_do, nzt_do )
1119	ENDIF
1120
1121	!
1122	!-- Turbulence closure variables
1123	IF ( .NOT. found ) THEN
1124	CALL tcm_data_output_2d( av, do2d(av,if), found, grid, mode,&
1125	local_pf, two_d, nzb_do, nzt_do )
1126	ENDIF
1127
1128	!
1129	!-- Radiation quantity
1130	IF ( .NOT. found .AND. radiation ) THEN
1131	CALL radiation_data_output_2d( av, do2d(av,if), found, grid,&
1132	mode, local_pf, two_d )
1133	ENDIF
1134
1135	!
1136	!-- UV exposure model quantity
1137	IF ( uv_exposure ) THEN
1138	CALL uvem_data_output_2d( av, do2d(av,if), found, grid, mode,&
1139	local_pf, two_d, nzb_do, nzt_do )
1140	ENDIF
1141
1142	!
1143	!-- User defined quantity
1144	IF ( .NOT. found ) THEN
1145	CALL user_data_output_2d( av, do2d(av,if), found, grid, &
1146	local_pf, two_d, nzb_do, nzt_do )
1147	ENDIF
1148
1149	resorted = .TRUE.
1150
1151	IF ( grid == 'zu' ) THEN
1152	IF ( mode == 'xy' ) level_z = zu
1153	ELSEIF ( grid == 'zw' ) THEN
1154	IF ( mode == 'xy' ) level_z = zw
1155	ELSEIF ( grid == 'zu1' ) THEN
1156	IF ( mode == 'xy' ) level_z(nzb+1) = zu(nzb+1)
1157	ELSEIF ( grid == 'zs' ) THEN
1158	IF ( mode == 'xy' ) level_z = zs
1159	ENDIF
1160
1161	IF ( .NOT. found ) THEN
1162	message_string = 'no output provided for: ' // &
1163	TRIM( do2d(av,if) )
1164	CALL message( 'data_output_2d', 'PA0181', 0, 0, 0, 6, 0 )
1165	ENDIF
1166
1167	END SELECT
1168
1169	!
1170	!-- Resort the array to be output, if not done above. Flag topography
1171	!-- grid points with fill values, using the corresponding maksing flag.
1172	IF ( .NOT. resorted ) THEN
1173	DO i = nxl, nxr
1174	DO j = nys, nyn
1175	DO k = nzb_do, nzt_do
1176	local_pf(i,j,k) = MERGE( to_be_resorted(k,j,i), &
1177	REAL( fill_value, KIND = wp ), &
1178	BTEST( wall_flags_0(k,j,i), &
1179	flag_nr ) )
1180	ENDDO
1181	ENDDO
1182	ENDDO
1183	ENDIF
1184
1185	!
1186	!-- Output of the individual cross-sections, depending on the cross-
1187	!-- section mode chosen.
1188	is = 1
1189	loop1: DO WHILE ( section(is,s_ind) /= -9999 .OR. two_d )
1190
1191	SELECT CASE ( mode )
1192
1193	CASE ( 'xy' )
1194	!
1195	!-- Determine the cross section index
1196	IF ( two_d ) THEN
1197	layer_xy = nzb+1
1198	ELSE
1199	layer_xy = section(is,s_ind)
1200	ENDIF
1201
1202	!
1203	!-- Exit the loop for layers beyond the data output domain
1204	!-- (used for soil model)
1205	IF ( layer_xy > nzt_do ) THEN
1206	EXIT loop1
1207	ENDIF
1208
1209	!
1210	!-- Update the netCDF xy cross section time axis.
1211	!-- In case of parallel output, this is only done by PE0
1212	!-- to increase the performance.
1213	IF ( simulated_time /= do2d_xy_last_time(av) ) THEN
1214	do2d_xy_time_count(av) = do2d_xy_time_count(av) + 1
1215	do2d_xy_last_time(av) = simulated_time
1216	IF ( myid == 0 ) THEN
1217	IF ( .NOT. data_output_2d_on_each_pe &
1218	.OR. netcdf_data_format > 4 ) &
1219	THEN
1220	#if defined( __netcdf )
1221	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1222	id_var_time_xy(av), &
1223	(/ time_since_reference_point /), &
1224	start = (/ do2d_xy_time_count(av) /), &
1225	count = (/ 1 /) )
1226	CALL netcdf_handle_error( 'data_output_2d', 53 )
1227	#endif
1228	ENDIF
1229	ENDIF
1230	ENDIF
1231	!
1232	!-- If required, carry out averaging along z
1233	IF ( section(is,s_ind) == -1 .AND. .NOT. two_d ) THEN
1234
1235	local_2d = 0.0_wp
1236	!
1237	!-- Carry out the averaging (all data are on the PE)
1238	DO k = nzb_do, nzt_do
1239	DO j = nys, nyn
1240	DO i = nxl, nxr
1241	local_2d(i,j) = local_2d(i,j) + local_pf(i,j,k)
1242	ENDDO
1243	ENDDO
1244	ENDDO
1245
1246	local_2d = local_2d / ( nzt_do - nzb_do + 1.0_wp)
1247
1248	ELSE
1249	!
1250	!-- Just store the respective section on the local array
1251	local_2d = local_pf(:,:,layer_xy)
1252
1253	ENDIF
1254
1255	#if defined( __parallel )
1256	IF ( netcdf_data_format > 4 ) THEN
1257	!
1258	!-- Parallel output in netCDF4/HDF5 format.
1259	IF ( two_d ) THEN
1260	iis = 1
1261	ELSE
1262	iis = is
1263	ENDIF
1264
1265	#if defined( __netcdf )
1266	!
1267	!-- For parallel output, all cross sections are first stored
1268	!-- here on a local array and will be written to the output
1269	!-- file afterwards to increase the performance.
1270	DO i = nxl, nxr
1271	DO j = nys, nyn
1272	local_2d_sections(i,j,iis) = local_2d(i,j)
1273	ENDDO
1274	ENDDO
1275	#endif
1276	ELSE
1277
1278	IF ( data_output_2d_on_each_pe ) THEN
1279	!
1280	!-- Output of partial arrays on each PE
1281	#if defined( __netcdf )
1282	IF ( myid == 0 ) THEN
1283	WRITE ( 21 ) time_since_reference_point, &
1284	do2d_xy_time_count(av), av
1285	ENDIF
1286	#endif
1287	DO i = 0, io_blocks-1
1288	IF ( i == io_group ) THEN
1289	WRITE ( 21 ) nxl, nxr, nys, nyn, nys, nyn
1290	WRITE ( 21 ) local_2d
1291	ENDIF
1292	#if defined( __parallel )
1293	CALL MPI_BARRIER( comm2d, ierr )
1294	#endif
1295	ENDDO
1296
1297	ELSE
1298	!
1299	!-- PE0 receives partial arrays from all processors and
1300	!-- then outputs them. Here a barrier has to be set,
1301	!-- because otherwise "-MPI- FATAL: Remote protocol queue
1302	!-- full" may occur.
1303	CALL MPI_BARRIER( comm2d, ierr )
1304
1305	ngp = ( nxr-nxl+1 ) * ( nyn-nys+1 )
1306	IF ( myid == 0 ) THEN
1307	!
1308	!-- Local array can be relocated directly.
1309	total_2d(nxl:nxr,nys:nyn) = local_2d
1310	!
1311	!-- Receive data from all other PEs.
1312	DO n = 1, numprocs-1
1313	!
1314	!-- Receive index limits first, then array.
1315	!-- Index limits are received in arbitrary order from
1316	!-- the PEs.
1317	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1318	MPI_ANY_SOURCE, 0, comm2d, &
1319	status, ierr )
1320	sender = status(MPI_SOURCE)
1321	DEALLOCATE( local_2d )
1322	ALLOCATE( local_2d(ind(1):ind(2),ind(3):ind(4)) )
1323	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1324	MPI_REAL, sender, 1, comm2d, &
1325	status, ierr )
1326	total_2d(ind(1):ind(2),ind(3):ind(4)) = local_2d
1327	ENDDO
1328	!
1329	!-- Relocate the local array for the next loop increment
1330	DEALLOCATE( local_2d )
1331	ALLOCATE( local_2d(nxl:nxr,nys:nyn) )
1332
1333	#if defined( __netcdf )
1334	IF ( two_d ) THEN
1335	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1336	id_var_do2d(av,if), &
1337	total_2d(0:nx,0:ny), &
1338	start = (/ 1, 1, 1, do2d_xy_time_count(av) /), &
1339	count = (/ nx+1, ny+1, 1, 1 /) )
1340	ELSE
1341	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1342	id_var_do2d(av,if), &
1343	total_2d(0:nx,0:ny), &
1344	start = (/ 1, 1, is, do2d_xy_time_count(av) /), &
1345	count = (/ nx+1, ny+1, 1, 1 /) )
1346	ENDIF
1347	CALL netcdf_handle_error( 'data_output_2d', 54 )
1348	#endif
1349
1350	ELSE
1351	!
1352	!-- First send the local index limits to PE0
1353	ind(1) = nxl; ind(2) = nxr
1354	ind(3) = nys; ind(4) = nyn
1355	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1356	comm2d, ierr )
1357	!
1358	!-- Send data to PE0
1359	CALL MPI_SEND( local_2d(nxl,nys), ngp, &
1360	MPI_REAL, 0, 1, comm2d, ierr )
1361	ENDIF
1362	!
1363	!-- A barrier has to be set, because otherwise some PEs may
1364	!-- proceed too fast so that PE0 may receive wrong data on
1365	!-- tag 0
1366	CALL MPI_BARRIER( comm2d, ierr )
1367	ENDIF
1368
1369	ENDIF
1370	#else
1371	#if defined( __netcdf )
1372	IF ( two_d ) THEN
1373	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1374	id_var_do2d(av,if), &
1375	local_2d(nxl:nxr,nys:nyn), &
1376	start = (/ 1, 1, 1, do2d_xy_time_count(av) /), &
1377	count = (/ nx+1, ny+1, 1, 1 /) )
1378	ELSE
1379	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1380	id_var_do2d(av,if), &
1381	local_2d(nxl:nxr,nys:nyn), &
1382	start = (/ 1, 1, is, do2d_xy_time_count(av) /), &
1383	count = (/ nx+1, ny+1, 1, 1 /) )
1384	ENDIF
1385	CALL netcdf_handle_error( 'data_output_2d', 447 )
1386	#endif
1387	#endif
1388
1389	!
1390	!-- For 2D-arrays (e.g. u*) only one cross-section is available.
1391	!-- Hence exit loop of output levels.
1392	IF ( two_d ) THEN
1393	IF ( netcdf_data_format < 5 ) two_d = .FALSE.
1394	EXIT loop1
1395	ENDIF
1396
1397	CASE ( 'xz' )
1398	!
1399	!-- Update the netCDF xz cross section time axis.
1400	!-- In case of parallel output, this is only done by PE0
1401	!-- to increase the performance.
1402	IF ( simulated_time /= do2d_xz_last_time(av) ) THEN
1403	do2d_xz_time_count(av) = do2d_xz_time_count(av) + 1
1404	do2d_xz_last_time(av) = simulated_time
1405	IF ( myid == 0 ) THEN
1406	IF ( .NOT. data_output_2d_on_each_pe &
1407	.OR. netcdf_data_format > 4 ) &
1408	THEN
1409	#if defined( __netcdf )
1410	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1411	id_var_time_xz(av), &
1412	(/ time_since_reference_point /), &
1413	start = (/ do2d_xz_time_count(av) /), &
1414	count = (/ 1 /) )
1415	CALL netcdf_handle_error( 'data_output_2d', 56 )
1416	#endif
1417	ENDIF
1418	ENDIF
1419	ENDIF
1420
1421	!
1422	!-- If required, carry out averaging along y
1423	IF ( section(is,s_ind) == -1 ) THEN
1424
1425	ALLOCATE( local_2d_l(nxl:nxr,nzb_do:nzt_do) )
1426	local_2d_l = 0.0_wp
1427	ngp = ( nxr-nxl + 1 ) * ( nzt_do-nzb_do + 1 )
1428	!
1429	!-- First local averaging on the PE
1430	DO k = nzb_do, nzt_do
1431	DO j = nys, nyn
1432	DO i = nxl, nxr
1433	local_2d_l(i,k) = local_2d_l(i,k) + &
1434	local_pf(i,j,k)
1435	ENDDO
1436	ENDDO
1437	ENDDO
1438	#if defined( __parallel )
1439	!
1440	!-- Now do the averaging over all PEs along y
1441	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1442	CALL MPI_ALLREDUCE( local_2d_l(nxl,nzb_do), &
1443	local_2d(nxl,nzb_do), ngp, MPI_REAL, &
1444	MPI_SUM, comm1dy, ierr )
1445	#else
1446	local_2d = local_2d_l
1447	#endif
1448	local_2d = local_2d / ( ny + 1.0_wp )
1449
1450	DEALLOCATE( local_2d_l )
1451
1452	ELSE
1453	!
1454	!-- Just store the respective section on the local array
1455	!-- (but only if it is available on this PE!)
1456	IF ( section(is,s_ind) >= nys .AND. section(is,s_ind) <= nyn ) &
1457	THEN
1458	local_2d = local_pf(:,section(is,s_ind),nzb_do:nzt_do)
1459	ENDIF
1460
1461	ENDIF
1462
1463	#if defined( __parallel )
1464	IF ( netcdf_data_format > 4 ) THEN
1465	!
1466	!-- Output in netCDF4/HDF5 format.
1467	!-- Output only on those PEs where the respective cross
1468	!-- sections reside. Cross sections averaged along y are
1469	!-- output on the respective first PE along y (myidy=0).
1470	IF ( ( section(is,s_ind) >= nys .AND. &
1471	section(is,s_ind) <= nyn ) .OR. &
1472	( section(is,s_ind) == -1 .AND. myidy == 0 ) ) THEN
1473	#if defined( __netcdf )
1474	!
1475	!-- For parallel output, all cross sections are first
1476	!-- stored here on a local array and will be written to the
1477	!-- output file afterwards to increase the performance.
1478	DO i = nxl, nxr
1479	DO k = nzb_do, nzt_do
1480	local_2d_sections_l(i,is,k) = local_2d(i,k)
1481	ENDDO
1482	ENDDO
1483	#endif
1484	ENDIF
1485
1486	ELSE
1487
1488	IF ( data_output_2d_on_each_pe ) THEN
1489	!
1490	!-- Output of partial arrays on each PE. If the cross
1491	!-- section does not reside on the PE, output special
1492	!-- index values.
1493	#if defined( __netcdf )
1494	IF ( myid == 0 ) THEN
1495	WRITE ( 22 ) time_since_reference_point, &
1496	do2d_xz_time_count(av), av
1497	ENDIF
1498	#endif
1499	DO i = 0, io_blocks-1
1500	IF ( i == io_group ) THEN
1501	IF ( ( section(is,s_ind) >= nys .AND. &
1502	section(is,s_ind) <= nyn ) .OR. &
1503	( section(is,s_ind) == -1 .AND. &
1504	nys-1 == -1 ) ) &
1505	THEN
1506	WRITE (22) nxl, nxr, nzb_do, nzt_do, nzb, nzt+1
1507	WRITE (22) local_2d
1508	ELSE
1509	WRITE (22) -1, -1, -1, -1, -1, -1
1510	ENDIF
1511	ENDIF
1512	#if defined( __parallel )
1513	CALL MPI_BARRIER( comm2d, ierr )
1514	#endif
1515	ENDDO
1516
1517	ELSE
1518	!
1519	!-- PE0 receives partial arrays from all processors of the
1520	!-- respective cross section and outputs them. Here a
1521	!-- barrier has to be set, because otherwise
1522	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
1523	CALL MPI_BARRIER( comm2d, ierr )
1524
1525	ngp = ( nxr-nxl + 1 ) * ( nzt_do-nzb_do + 1 )
1526	IF ( myid == 0 ) THEN
1527	!
1528	!-- Local array can be relocated directly.
1529	IF ( ( section(is,s_ind) >= nys .AND. &
1530	section(is,s_ind) <= nyn ) .OR. &
1531	( section(is,s_ind) == -1 .AND. &
1532	nys-1 == -1 ) ) THEN
1533	total_2d(nxl:nxr,nzb_do:nzt_do) = local_2d
1534	ENDIF
1535	!
1536	!-- Receive data from all other PEs.
1537	DO n = 1, numprocs-1
1538	!
1539	!-- Receive index limits first, then array.
1540	!-- Index limits are received in arbitrary order from
1541	!-- the PEs.
1542	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1543	MPI_ANY_SOURCE, 0, comm2d, &
1544	status, ierr )
1545	!
1546	!-- Not all PEs have data for XZ-cross-section.
1547	IF ( ind(1) /= -9999 ) THEN
1548	sender = status(MPI_SOURCE)
1549	DEALLOCATE( local_2d )
1550	ALLOCATE( local_2d(ind(1):ind(2), &
1551	ind(3):ind(4)) )
1552	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1553	MPI_REAL, sender, 1, comm2d, &
1554	status, ierr )
1555	total_2d(ind(1):ind(2),ind(3):ind(4)) = &
1556	local_2d
1557	ENDIF
1558	ENDDO
1559	!
1560	!-- Relocate the local array for the next loop increment
1561	DEALLOCATE( local_2d )
1562	ALLOCATE( local_2d(nxl:nxr,nzb_do:nzt_do) )
1563
1564	#if defined( __netcdf )
1565	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1566	id_var_do2d(av,if), &
1567	total_2d(0:nx,nzb_do:nzt_do), &
1568	start = (/ 1, is, 1, do2d_xz_time_count(av) /), &
1569	count = (/ nx+1, 1, nzt_do-nzb_do+1, 1 /) )
1570	CALL netcdf_handle_error( 'data_output_2d', 58 )
1571	#endif
1572
1573	ELSE
1574	!
1575	!-- If the cross section resides on the PE, send the
1576	!-- local index limits, otherwise send -9999 to PE0.
1577	IF ( ( section(is,s_ind) >= nys .AND. &
1578	section(is,s_ind) <= nyn ) .OR. &
1579	( section(is,s_ind) == -1 .AND. nys-1 == -1 ) ) &
1580	THEN
1581	ind(1) = nxl; ind(2) = nxr
1582	ind(3) = nzb_do; ind(4) = nzt_do
1583	ELSE
1584	ind(1) = -9999; ind(2) = -9999
1585	ind(3) = -9999; ind(4) = -9999
1586	ENDIF
1587	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1588	comm2d, ierr )
1589	!
1590	!-- If applicable, send data to PE0.
1591	IF ( ind(1) /= -9999 ) THEN
1592	CALL MPI_SEND( local_2d(nxl,nzb_do), ngp, &
1593	MPI_REAL, 0, 1, comm2d, ierr )
1594	ENDIF
1595	ENDIF
1596	!
1597	!-- A barrier has to be set, because otherwise some PEs may
1598	!-- proceed too fast so that PE0 may receive wrong data on
1599	!-- tag 0
1600	CALL MPI_BARRIER( comm2d, ierr )
1601	ENDIF
1602
1603	ENDIF
1604	#else
1605	#if defined( __netcdf )
1606	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1607	id_var_do2d(av,if), &
1608	local_2d(nxl:nxr,nzb_do:nzt_do), &
1609	start = (/ 1, is, 1, do2d_xz_time_count(av) /), &
1610	count = (/ nx+1, 1, nzt_do-nzb_do+1, 1 /) )
1611	CALL netcdf_handle_error( 'data_output_2d', 451 )
1612	#endif
1613	#endif
1614
1615	CASE ( 'yz' )
1616	!
1617	!-- Update the netCDF yz cross section time axis.
1618	!-- In case of parallel output, this is only done by PE0
1619	!-- to increase the performance.
1620	IF ( simulated_time /= do2d_yz_last_time(av) ) THEN
1621	do2d_yz_time_count(av) = do2d_yz_time_count(av) + 1
1622	do2d_yz_last_time(av) = simulated_time
1623	IF ( myid == 0 ) THEN
1624	IF ( .NOT. data_output_2d_on_each_pe &
1625	.OR. netcdf_data_format > 4 ) &
1626	THEN
1627	#if defined( __netcdf )
1628	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1629	id_var_time_yz(av), &
1630	(/ time_since_reference_point /), &
1631	start = (/ do2d_yz_time_count(av) /), &
1632	count = (/ 1 /) )
1633	CALL netcdf_handle_error( 'data_output_2d', 59 )
1634	#endif
1635	ENDIF
1636	ENDIF
1637	ENDIF
1638
1639	!
1640	!-- If required, carry out averaging along x
1641	IF ( section(is,s_ind) == -1 ) THEN
1642
1643	ALLOCATE( local_2d_l(nys:nyn,nzb_do:nzt_do) )
1644	local_2d_l = 0.0_wp
1645	ngp = ( nyn-nys+1 ) * ( nzt_do-nzb_do+1 )
1646	!
1647	!-- First local averaging on the PE
1648	DO k = nzb_do, nzt_do
1649	DO j = nys, nyn
1650	DO i = nxl, nxr
1651	local_2d_l(j,k) = local_2d_l(j,k) + &
1652	local_pf(i,j,k)
1653	ENDDO
1654	ENDDO
1655	ENDDO
1656	#if defined( __parallel )
1657	!
1658	!-- Now do the averaging over all PEs along x
1659	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1660	CALL MPI_ALLREDUCE( local_2d_l(nys,nzb_do), &
1661	local_2d(nys,nzb_do), ngp, MPI_REAL, &
1662	MPI_SUM, comm1dx, ierr )
1663	#else
1664	local_2d = local_2d_l
1665	#endif
1666	local_2d = local_2d / ( nx + 1.0_wp )
1667
1668	DEALLOCATE( local_2d_l )
1669
1670	ELSE
1671	!
1672	!-- Just store the respective section on the local array
1673	!-- (but only if it is available on this PE!)
1674	IF ( section(is,s_ind) >= nxl .AND. section(is,s_ind) <= nxr ) &
1675	THEN
1676	local_2d = local_pf(section(is,s_ind),:,nzb_do:nzt_do)
1677	ENDIF
1678
1679	ENDIF
1680
1681	#if defined( __parallel )
1682	IF ( netcdf_data_format > 4 ) THEN
1683	!
1684	!-- Output in netCDF4/HDF5 format.
1685	!-- Output only on those PEs where the respective cross
1686	!-- sections reside. Cross sections averaged along x are
1687	!-- output on the respective first PE along x (myidx=0).
1688	IF ( ( section(is,s_ind) >= nxl .AND. &
1689	section(is,s_ind) <= nxr ) .OR. &
1690	( section(is,s_ind) == -1 .AND. myidx == 0 ) ) THEN
1691	#if defined( __netcdf )
1692	!
1693	!-- For parallel output, all cross sections are first
1694	!-- stored here on a local array and will be written to the
1695	!-- output file afterwards to increase the performance.
1696	DO j = nys, nyn
1697	DO k = nzb_do, nzt_do
1698	local_2d_sections_l(is,j,k) = local_2d(j,k)
1699	ENDDO
1700	ENDDO
1701	#endif
1702	ENDIF
1703
1704	ELSE
1705
1706	IF ( data_output_2d_on_each_pe ) THEN
1707	!
1708	!-- Output of partial arrays on each PE. If the cross
1709	!-- section does not reside on the PE, output special
1710	!-- index values.
1711	#if defined( __netcdf )
1712	IF ( myid == 0 ) THEN
1713	WRITE ( 23 ) time_since_reference_point, &
1714	do2d_yz_time_count(av), av
1715	ENDIF
1716	#endif
1717	DO i = 0, io_blocks-1
1718	IF ( i == io_group ) THEN
1719	IF ( ( section(is,s_ind) >= nxl .AND. &
1720	section(is,s_ind) <= nxr ) .OR. &
1721	( section(is,s_ind) == -1 .AND. &
1722	nxl-1 == -1 ) ) &
1723	THEN
1724	WRITE (23) nys, nyn, nzb_do, nzt_do, nzb, nzt+1
1725	WRITE (23) local_2d
1726	ELSE
1727	WRITE (23) -1, -1, -1, -1, -1, -1
1728	ENDIF
1729	ENDIF
1730	#if defined( __parallel )
1731	CALL MPI_BARRIER( comm2d, ierr )
1732	#endif
1733	ENDDO
1734
1735	ELSE
1736	!
1737	!-- PE0 receives partial arrays from all processors of the
1738	!-- respective cross section and outputs them. Here a
1739	!-- barrier has to be set, because otherwise
1740	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
1741	CALL MPI_BARRIER( comm2d, ierr )
1742
1743	ngp = ( nyn-nys+1 ) * ( nzt_do-nzb_do+1 )
1744	IF ( myid == 0 ) THEN
1745	!
1746	!-- Local array can be relocated directly.
1747	IF ( ( section(is,s_ind) >= nxl .AND. &
1748	section(is,s_ind) <= nxr ) .OR. &
1749	( section(is,s_ind) == -1 .AND. nxl-1 == -1 ) ) &
1750	THEN
1751	total_2d(nys:nyn,nzb_do:nzt_do) = local_2d
1752	ENDIF
1753	!
1754	!-- Receive data from all other PEs.
1755	DO n = 1, numprocs-1
1756	!
1757	!-- Receive index limits first, then array.
1758	!-- Index limits are received in arbitrary order from
1759	!-- the PEs.
1760	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1761	MPI_ANY_SOURCE, 0, comm2d, &
1762	status, ierr )
1763	!
1764	!-- Not all PEs have data for YZ-cross-section.
1765	IF ( ind(1) /= -9999 ) THEN
1766	sender = status(MPI_SOURCE)
1767	DEALLOCATE( local_2d )
1768	ALLOCATE( local_2d(ind(1):ind(2), &
1769	ind(3):ind(4)) )
1770	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1771	MPI_REAL, sender, 1, comm2d, &
1772	status, ierr )
1773	total_2d(ind(1):ind(2),ind(3):ind(4)) = &
1774	local_2d
1775	ENDIF
1776	ENDDO
1777	!
1778	!-- Relocate the local array for the next loop increment
1779	DEALLOCATE( local_2d )
1780	ALLOCATE( local_2d(nys:nyn,nzb_do:nzt_do) )
1781
1782	#if defined( __netcdf )
1783	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1784	id_var_do2d(av,if), &
1785	total_2d(0:ny,nzb_do:nzt_do), &
1786	start = (/ is, 1, 1, do2d_yz_time_count(av) /), &
1787	count = (/ 1, ny+1, nzt_do-nzb_do+1, 1 /) )
1788	CALL netcdf_handle_error( 'data_output_2d', 61 )
1789	#endif
1790
1791	ELSE
1792	!
1793	!-- If the cross section resides on the PE, send the
1794	!-- local index limits, otherwise send -9999 to PE0.
1795	IF ( ( section(is,s_ind) >= nxl .AND. &
1796	section(is,s_ind) <= nxr ) .OR. &
1797	( section(is,s_ind) == -1 .AND. nxl-1 == -1 ) ) &
1798	THEN
1799	ind(1) = nys; ind(2) = nyn
1800	ind(3) = nzb_do; ind(4) = nzt_do
1801	ELSE
1802	ind(1) = -9999; ind(2) = -9999
1803	ind(3) = -9999; ind(4) = -9999
1804	ENDIF
1805	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1806	comm2d, ierr )
1807	!
1808	!-- If applicable, send data to PE0.
1809	IF ( ind(1) /= -9999 ) THEN
1810	CALL MPI_SEND( local_2d(nys,nzb_do), ngp, &
1811	MPI_REAL, 0, 1, comm2d, ierr )
1812	ENDIF
1813	ENDIF
1814	!
1815	!-- A barrier has to be set, because otherwise some PEs may
1816	!-- proceed too fast so that PE0 may receive wrong data on
1817	!-- tag 0
1818	CALL MPI_BARRIER( comm2d, ierr )
1819	ENDIF
1820
1821	ENDIF
1822	#else
1823	#if defined( __netcdf )
1824	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1825	id_var_do2d(av,if), &
1826	local_2d(nys:nyn,nzb_do:nzt_do), &
1827	start = (/ is, 1, 1, do2d_xz_time_count(av) /), &
1828	count = (/ 1, ny+1, nzt_do-nzb_do+1, 1 /) )
1829	CALL netcdf_handle_error( 'data_output_2d', 452 )
1830	#endif
1831	#endif
1832
1833	END SELECT
1834
1835	is = is + 1
1836	ENDDO loop1
1837
1838	!
1839	!-- For parallel output, all data were collected before on a local array
1840	!-- and are written now to the netcdf file. This must be done to increase
1841	!-- the performance of the parallel output.
1842	#if defined( __netcdf )
1843	IF ( netcdf_data_format > 4 ) THEN
1844
1845	SELECT CASE ( mode )
1846
1847	CASE ( 'xy' )
1848	IF ( two_d ) THEN
1849	nis = 1
1850	two_d = .FALSE.
1851	ELSE
1852	nis = ns
1853	ENDIF
1854	!
1855	!-- Do not output redundant ghost point data except for the
1856	!-- boundaries of the total domain.
1857	! IF ( nxr == nx .AND. nyn /= ny ) THEN
1858	! nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1859	! id_var_do2d(av,if), &
1860	! local_2d_sections(nxl:nxr+1, &
1861	! nys:nyn,1:nis), &
1862	! start = (/ nxl+1, nys+1, 1, &
1863	! do2d_xy_time_count(av) /), &
1864	! count = (/ nxr-nxl+2, &
1865	! nyn-nys+1, nis, 1 &
1866	! /) )
1867	! ELSEIF ( nxr /= nx .AND. nyn == ny ) THEN
1868	! nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1869	! id_var_do2d(av,if), &
1870	! local_2d_sections(nxl:nxr, &
1871	! nys:nyn+1,1:nis), &
1872	! start = (/ nxl+1, nys+1, 1, &
1873	! do2d_xy_time_count(av) /), &
1874	! count = (/ nxr-nxl+1, &
1875	! nyn-nys+2, nis, 1 &
1876	! /) )
1877	! ELSEIF ( nxr == nx .AND. nyn == ny ) THEN
1878	! nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1879	! id_var_do2d(av,if), &
1880	! local_2d_sections(nxl:nxr+1, &
1881	! nys:nyn+1,1:nis), &
1882	! start = (/ nxl+1, nys+1, 1, &
1883	! do2d_xy_time_count(av) /), &
1884	! count = (/ nxr-nxl+2, &
1885	! nyn-nys+2, nis, 1 &
1886	! /) )
1887	! ELSE
1888	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1889	id_var_do2d(av,if), &
1890	local_2d_sections(nxl:nxr, &
1891	nys:nyn,1:nis), &
1892	start = (/ nxl+1, nys+1, 1, &
1893	do2d_xy_time_count(av) /), &
1894	count = (/ nxr-nxl+1, &
1895	nyn-nys+1, nis, 1 &
1896	/) )
1897	! ENDIF
1898
1899	CALL netcdf_handle_error( 'data_output_2d', 55 )
1900
1901	CASE ( 'xz' )
1902	!
1903	!-- First, all PEs get the information of all cross-sections.
1904	!-- Then the data are written to the output file by all PEs
1905	!-- while NF90_COLLECTIVE is set in subroutine
1906	!-- define_netcdf_header. Although redundant information are
1907	!-- written to the output file in that case, the performance
1908	!-- is significantly better compared to the case where only
1909	!-- the first row of PEs in x-direction (myidx = 0) is given
1910	!-- the output while NF90_INDEPENDENT is set.
1911	IF ( npey /= 1 ) THEN
1912
1913	#if defined( __parallel )
1914	!
1915	!-- Distribute data over all PEs along y
1916	ngp = ( nxr-nxl+1 ) * ( nzt_do-nzb_do+1 ) * ns
1917	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1918	CALL MPI_ALLREDUCE( local_2d_sections_l(nxl,1,nzb_do), &
1919	local_2d_sections(nxl,1,nzb_do), &
1920	ngp, MPI_REAL, MPI_SUM, comm1dy, &
1921	ierr )
1922	#else
1923	local_2d_sections = local_2d_sections_l
1924	#endif
1925	ENDIF
1926	!
1927	!-- Do not output redundant ghost point data except for the
1928	!-- boundaries of the total domain.
1929	! IF ( nxr == nx ) THEN
1930	! nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1931	! id_var_do2d(av,if), &
1932	! local_2d_sections(nxl:nxr+1,1:ns, &
1933	! nzb_do:nzt_do), &
1934	! start = (/ nxl+1, 1, 1, &
1935	! do2d_xz_time_count(av) /), &
1936	! count = (/ nxr-nxl+2, ns, nzt_do-nzb_do+1, &
1937	! 1 /) )
1938	! ELSE
1939	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1940	id_var_do2d(av,if), &
1941	local_2d_sections(nxl:nxr,1:ns, &
1942	nzb_do:nzt_do), &
1943	start = (/ nxl+1, 1, 1, &
1944	do2d_xz_time_count(av) /), &
1945	count = (/ nxr-nxl+1, ns, nzt_do-nzb_do+1, &
1946	1 /) )
1947	! ENDIF
1948
1949	CALL netcdf_handle_error( 'data_output_2d', 57 )
1950
1951	CASE ( 'yz' )
1952	!
1953	!-- First, all PEs get the information of all cross-sections.
1954	!-- Then the data are written to the output file by all PEs
1955	!-- while NF90_COLLECTIVE is set in subroutine
1956	!-- define_netcdf_header. Although redundant information are
1957	!-- written to the output file in that case, the performance
1958	!-- is significantly better compared to the case where only
1959	!-- the first row of PEs in y-direction (myidy = 0) is given
1960	!-- the output while NF90_INDEPENDENT is set.
1961	IF ( npex /= 1 ) THEN
1962
1963	#if defined( __parallel )
1964	!
1965	!-- Distribute data over all PEs along x
1966	ngp = ( nyn-nys+1 ) * ( nzt-nzb + 2 ) * ns
1967	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1968	CALL MPI_ALLREDUCE( local_2d_sections_l(1,nys,nzb_do), &
1969	local_2d_sections(1,nys,nzb_do), &
1970	ngp, MPI_REAL, MPI_SUM, comm1dx, &
1971	ierr )
1972	#else
1973	local_2d_sections = local_2d_sections_l
1974	#endif
1975	ENDIF
1976	!
1977	!-- Do not output redundant ghost point data except for the
1978	!-- boundaries of the total domain.
1979	! IF ( nyn == ny ) THEN
1980	! nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1981	! id_var_do2d(av,if), &
1982	! local_2d_sections(1:ns, &
1983	! nys:nyn+1,nzb_do:nzt_do), &
1984	! start = (/ 1, nys+1, 1, &
1985	! do2d_yz_time_count(av) /), &
1986	! count = (/ ns, nyn-nys+2, &
1987	! nzt_do-nzb_do+1, 1 /) )
1988	! ELSE
1989	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1990	id_var_do2d(av,if), &
1991	local_2d_sections(1:ns,nys:nyn, &
1992	nzb_do:nzt_do), &
1993	start = (/ 1, nys+1, 1, &
1994	do2d_yz_time_count(av) /), &
1995	count = (/ ns, nyn-nys+1, &
1996	nzt_do-nzb_do+1, 1 /) )
1997	! ENDIF
1998
1999	CALL netcdf_handle_error( 'data_output_2d', 60 )
2000
2001	CASE DEFAULT
2002	message_string = 'unknown cross-section: ' // TRIM( mode )
2003	CALL message( 'data_output_2d', 'PA0180', 1, 2, 0, 6, 0 )
2004
2005	END SELECT
2006
2007	ENDIF
2008	#endif
2009	ENDIF
2010
2011	if = if + 1
2012	l = MAX( 2, LEN_TRIM( do2d(av,if) ) )
2013	do2d_mode = do2d(av,if)(l-1:l)
2014
2015	ENDDO
2016
2017	!
2018	!-- Deallocate temporary arrays.
2019	IF ( ALLOCATED( level_z ) ) DEALLOCATE( level_z )
2020	IF ( netcdf_data_format > 4 ) THEN
2021	DEALLOCATE( local_pf, local_2d, local_2d_sections )
2022	IF( mode == 'xz' .OR. mode == 'yz' ) DEALLOCATE( local_2d_sections_l )
2023	ENDIF
2024	#if defined( __parallel )
2025	IF ( .NOT. data_output_2d_on_each_pe .AND. myid == 0 ) THEN
2026	DEALLOCATE( total_2d )
2027	ENDIF
2028	#endif
2029
2030	!
2031	!-- Close plot output file.
2032	file_id = 20 + s_ind
2033
2034	IF ( data_output_2d_on_each_pe ) THEN
2035	DO i = 0, io_blocks-1
2036	IF ( i == io_group ) THEN
2037	CALL close_file( file_id )
2038	ENDIF
2039	#if defined( __parallel )
2040	CALL MPI_BARRIER( comm2d, ierr )
2041	#endif
2042	ENDDO
2043	ELSE
2044	IF ( myid == 0 ) CALL close_file( file_id )
2045	ENDIF
2046
2047	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
2048
2049	END SUBROUTINE data_output_2d

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