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source: palm/trunk/SOURCE/data_output_2d.f90 @ 1649

Last change on this file since 1649 was 1586, checked in by maronga, 10 years ago
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1	SUBROUTINE data_output_2d( mode, av )
2
3	!--------------------------------------------------------------------------------!
4	! This file is part of PALM.
5	!
6	! PALM is free software: you can redistribute it and/or modify it under the terms
7	! of the GNU General Public License as published by the Free Software Foundation,
8	! either version 3 of the License, or (at your option) any later 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 1997-2014 Leibniz Universitaet Hannover
18	!--------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: data_output_2d.f90 1586 2015-04-30 07:11:33Z knoop $
27	!
28	! 1585 2015-04-30 07:05:52Z maronga
29	! Added support for RRTMG
30	!
31	! 1555 2015-03-04 17:44:27Z maronga
32	! Added output of r_a and r_s
33	!
34	! 1551 2015-03-03 14:18:16Z maronga
35	! Added suppport for land surface model and radiation model output. In the course
36	! of this action, the limits for vertical loops have been changed (from nzb and
37	! nzt+1 to nzb_do and nzt_do, respectively in order to allow soil model output).
38	! Moreover, a new vertical grid zs was introduced.
39	!
40	! 1359 2014-04-11 17:15:14Z hoffmann
41	! New particle structure integrated.
42	!
43	! 1353 2014-04-08 15:21:23Z heinze
44	! REAL constants provided with KIND-attribute
45	!
46	! 1327 2014-03-21 11:00:16Z raasch
47	! parts concerning iso2d output removed,
48	! -netcdf output queries
49	!
50	! 1320 2014-03-20 08:40:49Z raasch
51	! ONLY-attribute added to USE-statements,
52	! kind-parameters added to all INTEGER and REAL declaration statements,
53	! kinds are defined in new module kinds,
54	! revision history before 2012 removed,
55	! comment fields (!:) to be used for variable explanations added to
56	! all variable declaration statements
57	!
58	! 1318 2014-03-17 13:35:16Z raasch
59	! barrier argument removed from cpu_log.
60	! module interfaces removed
61	!
62	! 1311 2014-03-14 12:13:39Z heinze
63	! bugfix: close #if defined( __netcdf )
64	!
65	! 1308 2014-03-13 14:58:42Z fricke
66	! +local_2d_sections, local_2d_sections_l, ns
67	! Check, if the limit of the time dimension is exceeded for parallel output
68	! To increase the performance for parallel output, the following is done:
69	! - Update of time axis is only done by PE0
70	! - Cross sections are first stored on a local array and are written
71	! collectively to the output file by all PEs.
72	!
73	! 1115 2013-03-26 18:16:16Z hoffmann
74	! ql is calculated by calc_liquid_water_content
75	!
76	! 1076 2012-12-05 08:30:18Z hoffmann
77	! Bugfix in output of ql
78	!
79	! 1065 2012-11-22 17:42:36Z hoffmann
80	! Bugfix: Output of cross sections of ql
81	!
82	! 1053 2012-11-13 17:11:03Z hoffmann
83	! +qr, nr, qc and cross sections
84	!
85	! 1036 2012-10-22 13:43:42Z raasch
86	! code put under GPL (PALM 3.9)
87	!
88	! 1031 2012-10-19 14:35:30Z raasch
89	! netCDF4 without parallel file support implemented
90	!
91	! 1007 2012-09-19 14:30:36Z franke
92	! Bugfix: missing calculation of ql_vp added
93	!
94	! 978 2012-08-09 08:28:32Z fricke
95	! +z0h
96	!
97	! Revision 1.1 1997/08/11 06:24:09 raasch
98	! Initial revision
99	!
100	!
101	! Description:
102	! ------------
103	! Data output of horizontal cross-sections in netCDF format or binary format
104	! compatible to old graphic software iso2d.
105	! Attention: The position of the sectional planes is still not always computed
106	! --------- correctly. (zu is used always)!
107	!------------------------------------------------------------------------------!
108
109	USE arrays_3d, &
110	ONLY: dzw, e, nr, p, pt, q, qc, ql, ql_c, ql_v, ql_vp, qr, qsws, &
111	rho, sa, shf, tend, ts, u, us, v, vpt, w, z0, z0h, zu, zw
112
113	USE averaging
114
115	USE cloud_parameters, &
116	ONLY: hyrho, l_d_cp, precipitation_amount, precipitation_rate, prr, &
117	pt_d_t
118
119	USE control_parameters, &
120	ONLY: cloud_physics, data_output_2d_on_each_pe, data_output_xy, &
121	data_output_xz, data_output_yz, do2d, &
122	do2d_xy_last_time, do2d_xy_n, do2d_xy_time_count, &
123	do2d_xz_last_time, do2d_xz_n, do2d_xz_time_count, &
124	do2d_yz_last_time, do2d_yz_n, do2d_yz_time_count, &
125	ibc_uv_b, icloud_scheme, io_blocks, io_group, &
126	message_string, netcdf_data_format, &
127	ntdim_2d_xy, ntdim_2d_xz, ntdim_2d_yz, psolver, section, &
128	simulated_time, simulated_time_chr, time_since_reference_point
129
130	USE cpulog, &
131	ONLY: cpu_log, log_point
132
133	USE grid_variables, &
134	ONLY: dx, dy
135
136	USE indices, &
137	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, ny, nyn, nyng, nys, nysg, &
138	nz, nzb, nzt
139
140	USE kinds
141
142	USE land_surface_model_mod, &
143	ONLY: c_liq, c_liq_av, c_soil_av, c_veg, c_veg_av, ghf_eb, &
144	ghf_eb_av, lai, lai_av, m_liq_eb, m_liq_eb_av, m_soil, &
145	m_soil_av, nzb_soil, nzt_soil, qsws_eb, qsws_eb_av, &
146	qsws_liq_eb, qsws_liq_eb_av, qsws_soil_eb, qsws_soil_eb_av, &
147	qsws_veg_eb, qsws_veg_eb_av, r_a, r_a_av, r_s, r_s_av, shf_eb, &
148	shf_eb_av, t_soil, t_soil_av, zs
149
150	USE netcdf_control
151
152	USE particle_attributes, &
153	ONLY: grid_particles, number_of_particles, particle_advection_start, &
154	particles, prt_count
155
156	USE pegrid
157
158	USE radiation_model_mod, &
159	ONLY: rad_net, rad_net_av, rad_sw_in, rad_sw_in_av, rad_sw_out, &
160	rad_sw_out_av, rad_lw_in, rad_lw_in_av, rad_lw_out, &
161	rad_lw_out_av
162
163	IMPLICIT NONE
164
165	CHARACTER (LEN=2) :: do2d_mode !:
166	CHARACTER (LEN=2) :: mode !:
167	CHARACTER (LEN=4) :: grid !:
168	CHARACTER (LEN=25) :: section_chr !:
169	CHARACTER (LEN=50) :: rtext !:
170
171	INTEGER(iwp) :: av !:
172	INTEGER(iwp) :: ngp !:
173	INTEGER(iwp) :: file_id !:
174	INTEGER(iwp) :: i !:
175	INTEGER(iwp) :: if !:
176	INTEGER(iwp) :: is !:
177	INTEGER(iwp) :: iis !:
178	INTEGER(iwp) :: j !:
179	INTEGER(iwp) :: k !:
180	INTEGER(iwp) :: l !:
181	INTEGER(iwp) :: layer_xy !:
182	INTEGER(iwp) :: n !:
183	INTEGER(iwp) :: ns !:
184	INTEGER(iwp) :: nzb_do !: lower limit of the data field (usually nzb)
185	INTEGER(iwp) :: nzt_do !: upper limit of the data field (usually nzt+1)
186	INTEGER(iwp) :: psi !:
187	INTEGER(iwp) :: s !:
188	INTEGER(iwp) :: sender !:
189	INTEGER(iwp) :: ind(4) !:
190
191	LOGICAL :: found !:
192	LOGICAL :: resorted !:
193	LOGICAL :: two_d !:
194
195	REAL(wp) :: mean_r !:
196	REAL(wp) :: s_r2 !:
197	REAL(wp) :: s_r3 !:
198
199	REAL(wp), DIMENSION(:), ALLOCATABLE :: level_z !:
200	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: local_2d !:
201	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: local_2d_l !:
202	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !:
203	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_2d_sections !:
204	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_2d_sections_l !:
205
206	#if defined( __parallel )
207	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: total_2d !:
208	#endif
209	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !:
210
211	NAMELIST /LOCAL/ rtext
212
213	!
214	!-- Immediate return, if no output is requested (no respective sections
215	!-- found in parameter data_output)
216	IF ( mode == 'xy' .AND. .NOT. data_output_xy(av) ) RETURN
217	IF ( mode == 'xz' .AND. .NOT. data_output_xz(av) ) RETURN
218	IF ( mode == 'yz' .AND. .NOT. data_output_yz(av) ) RETURN
219	!
220	!-- For parallel netcdf output the time axis must be limited. Return, if this
221	!-- limit is exceeded. This could be the case, if the simulated time exceeds
222	!-- the given end time by the length of the given output interval.
223	IF ( netcdf_data_format > 4 ) THEN
224	IF ( mode == 'xy' .AND. do2d_xy_time_count(av) + 1 > &
225	ntdim_2d_xy(av) ) THEN
226	WRITE ( message_string, * ) 'Output of xy cross-sections is not ', &
227	'given at t=', simulated_time, '&because the', &
228	' maximum number of output time levels is exceeded.'
229	CALL message( 'data_output_2d', 'PA0384', 0, 1, 0, 6, 0 )
230	RETURN
231	ENDIF
232	IF ( mode == 'xz' .AND. do2d_xz_time_count(av) + 1 > &
233	ntdim_2d_xz(av) ) THEN
234	WRITE ( message_string, * ) 'Output of xz cross-sections is not ', &
235	'given at t=', simulated_time, '&because the', &
236	' maximum number of output time levels is exceeded.'
237	CALL message( 'data_output_2d', 'PA0385', 0, 1, 0, 6, 0 )
238	RETURN
239	ENDIF
240	IF ( mode == 'yz' .AND. do2d_yz_time_count(av) + 1 > &
241	ntdim_2d_yz(av) ) THEN
242	WRITE ( message_string, * ) 'Output of yz cross-sections is not ', &
243	'given at t=', simulated_time, '&because the', &
244	' maximum number of output time levels is exceeded.'
245	CALL message( 'data_output_2d', 'PA0386', 0, 1, 0, 6, 0 )
246	RETURN
247	ENDIF
248	ENDIF
249
250	CALL cpu_log (log_point(3),'data_output_2d','start')
251
252	two_d = .FALSE. ! local variable to distinguish between output of pure 2D
253	! arrays and cross-sections of 3D arrays.
254
255	!
256	!-- Depending on the orientation of the cross-section, the respective output
257	!-- files have to be opened.
258	SELECT CASE ( mode )
259
260	CASE ( 'xy' )
261	s = 1
262	ALLOCATE( level_z(nzb:nzt+1), local_2d(nxlg:nxrg,nysg:nyng) )
263
264	IF ( netcdf_data_format > 4 ) THEN
265	ns = 1
266	DO WHILE ( section(ns,s) /= -9999 .AND. ns <= 100 )
267	ns = ns + 1
268	ENDDO
269	ns = ns - 1
270	ALLOCATE( local_2d_sections(nxlg:nxrg,nysg:nyng,1:ns) )
271	local_2d_sections = 0.0_wp
272	ENDIF
273
274	!
275	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
276	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
277	CALL check_open( 101+av*10 )
278	ENDIF
279
280	IF ( data_output_2d_on_each_pe ) THEN
281	CALL check_open( 21 )
282	ELSE
283	IF ( myid == 0 ) THEN
284	#if defined( __parallel )
285	ALLOCATE( total_2d(-nbgp:nx+nbgp,-nbgp:ny+nbgp) )
286	#endif
287	ENDIF
288	ENDIF
289
290	CASE ( 'xz' )
291	s = 2
292	ALLOCATE( local_2d(nxlg:nxrg,nzb:nzt+1) )
293
294	IF ( netcdf_data_format > 4 ) THEN
295	ns = 1
296	DO WHILE ( section(ns,s) /= -9999 .AND. ns <= 100 )
297	ns = ns + 1
298	ENDDO
299	ns = ns - 1
300	ALLOCATE( local_2d_sections(nxlg:nxrg,1:ns,nzb:nzt+1) )
301	ALLOCATE( local_2d_sections_l(nxlg:nxrg,1:ns,nzb:nzt+1) )
302	local_2d_sections = 0.0_wp; local_2d_sections_l = 0.0_wp
303	ENDIF
304
305	!
306	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
307	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
308	CALL check_open( 102+av*10 )
309	ENDIF
310
311	IF ( data_output_2d_on_each_pe ) THEN
312	CALL check_open( 22 )
313	ELSE
314	IF ( myid == 0 ) THEN
315	#if defined( __parallel )
316	ALLOCATE( total_2d(-nbgp:nx+nbgp,nzb:nzt+1) )
317	#endif
318	ENDIF
319	ENDIF
320
321	CASE ( 'yz' )
322	s = 3
323	ALLOCATE( local_2d(nysg:nyng,nzb:nzt+1) )
324
325	IF ( netcdf_data_format > 4 ) THEN
326	ns = 1
327	DO WHILE ( section(ns,s) /= -9999 .AND. ns <= 100 )
328	ns = ns + 1
329	ENDDO
330	ns = ns - 1
331	ALLOCATE( local_2d_sections(1:ns,nysg:nyng,nzb:nzt+1) )
332	ALLOCATE( local_2d_sections_l(1:ns,nysg:nyng,nzb:nzt+1) )
333	local_2d_sections = 0.0_wp; local_2d_sections_l = 0.0_wp
334	ENDIF
335
336	!
337	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
338	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
339	CALL check_open( 103+av*10 )
340	ENDIF
341
342	IF ( data_output_2d_on_each_pe ) THEN
343	CALL check_open( 23 )
344	ELSE
345	IF ( myid == 0 ) THEN
346	#if defined( __parallel )
347	ALLOCATE( total_2d(-nbgp:ny+nbgp,nzb:nzt+1) )
348	#endif
349	ENDIF
350	ENDIF
351
352	CASE DEFAULT
353	message_string = 'unknown cross-section: ' // TRIM( mode )
354	CALL message( 'data_output_2d', 'PA0180', 1, 2, 0, 6, 0 )
355
356	END SELECT
357
358	!
359	!-- Allocate a temporary array for resorting (kji -> ijk).
360	ALLOCATE( local_pf(nxlg:nxrg,nysg:nyng,nzb:nzt+1) )
361
362	!
363	!-- Loop of all variables to be written.
364	!-- Output dimensions chosen
365	if = 1
366	l = MAX( 2, LEN_TRIM( do2d(av,if) ) )
367	do2d_mode = do2d(av,if)(l-1:l)
368
369	DO WHILE ( do2d(av,if)(1:1) /= ' ' )
370
371	IF ( do2d_mode == mode ) THEN
372
373	nzb_do = nzb
374	nzt_do = nzt+1
375	!
376	!-- Store the array chosen on the temporary array.
377	resorted = .FALSE.
378	SELECT CASE ( TRIM( do2d(av,if) ) )
379
380	CASE ( 'e_xy', 'e_xz', 'e_yz' )
381	IF ( av == 0 ) THEN
382	to_be_resorted => e
383	ELSE
384	to_be_resorted => e_av
385	ENDIF
386	IF ( mode == 'xy' ) level_z = zu
387
388	CASE ( 'c_liq*_xy' ) ! 2d-array
389	IF ( av == 0 ) THEN
390	DO i = nxlg, nxrg
391	DO j = nysg, nyng
392	local_pf(i,j,nzb+1) = c_liq(j,i) * c_veg(j,i)
393	ENDDO
394	ENDDO
395	ELSE
396	DO i = nxlg, nxrg
397	DO j = nysg, nyng
398	local_pf(i,j,nzb+1) = c_liq_av(j,i)
399	ENDDO
400	ENDDO
401	ENDIF
402	resorted = .TRUE.
403	two_d = .TRUE.
404	level_z(nzb+1) = zu(nzb+1)
405
406	CASE ( 'c_soil*_xy' ) ! 2d-array
407	IF ( av == 0 ) THEN
408	DO i = nxlg, nxrg
409	DO j = nysg, nyng
410	local_pf(i,j,nzb+1) = 1.0_wp - c_veg(j,i)
411	ENDDO
412	ENDDO
413	ELSE
414	DO i = nxlg, nxrg
415	DO j = nysg, nyng
416	local_pf(i,j,nzb+1) = c_soil_av(j,i)
417	ENDDO
418	ENDDO
419	ENDIF
420	resorted = .TRUE.
421	two_d = .TRUE.
422	level_z(nzb+1) = zu(nzb+1)
423
424	CASE ( 'c_veg*_xy' ) ! 2d-array
425	IF ( av == 0 ) THEN
426	DO i = nxlg, nxrg
427	DO j = nysg, nyng
428	local_pf(i,j,nzb+1) = c_veg(j,i)
429	ENDDO
430	ENDDO
431	ELSE
432	DO i = nxlg, nxrg
433	DO j = nysg, nyng
434	local_pf(i,j,nzb+1) = c_veg_av(j,i)
435	ENDDO
436	ENDDO
437	ENDIF
438	resorted = .TRUE.
439	two_d = .TRUE.
440	level_z(nzb+1) = zu(nzb+1)
441
442	CASE ( 'ghf_eb*_xy' ) ! 2d-array
443	IF ( av == 0 ) THEN
444	DO i = nxlg, nxrg
445	DO j = nysg, nyng
446	local_pf(i,j,nzb+1) = ghf_eb(j,i)
447	ENDDO
448	ENDDO
449	ELSE
450	DO i = nxlg, nxrg
451	DO j = nysg, nyng
452	local_pf(i,j,nzb+1) = ghf_eb_av(j,i)
453	ENDDO
454	ENDDO
455	ENDIF
456	resorted = .TRUE.
457	two_d = .TRUE.
458	level_z(nzb+1) = zu(nzb+1)
459
460	CASE ( 'lai*_xy' ) ! 2d-array
461	IF ( av == 0 ) THEN
462	DO i = nxlg, nxrg
463	DO j = nysg, nyng
464	local_pf(i,j,nzb+1) = lai(j,i)
465	ENDDO
466	ENDDO
467	ELSE
468	DO i = nxlg, nxrg
469	DO j = nysg, nyng
470	local_pf(i,j,nzb+1) = lai_av(j,i)
471	ENDDO
472	ENDDO
473	ENDIF
474	resorted = .TRUE.
475	two_d = .TRUE.
476	level_z(nzb+1) = zu(nzb+1)
477
478	CASE ( 'lpt_xy', 'lpt_xz', 'lpt_yz' )
479	IF ( av == 0 ) THEN
480	to_be_resorted => pt
481	ELSE
482	to_be_resorted => lpt_av
483	ENDIF
484	IF ( mode == 'xy' ) level_z = zu
485
486	CASE ( 'lwp*_xy' ) ! 2d-array
487	IF ( av == 0 ) THEN
488	DO i = nxlg, nxrg
489	DO j = nysg, nyng
490	local_pf(i,j,nzb+1) = SUM( ql(nzb:nzt,j,i) * &
491	dzw(1:nzt+1) )
492	ENDDO
493	ENDDO
494	ELSE
495	DO i = nxlg, nxrg
496	DO j = nysg, nyng
497	local_pf(i,j,nzb+1) = lwp_av(j,i)
498	ENDDO
499	ENDDO
500	ENDIF
501	resorted = .TRUE.
502	two_d = .TRUE.
503	level_z(nzb+1) = zu(nzb+1)
504
505	CASE ( 'm_liq_eb*_xy' ) ! 2d-array
506	IF ( av == 0 ) THEN
507	DO i = nxlg, nxrg
508	DO j = nysg, nyng
509	local_pf(i,j,nzb+1) = m_liq_eb(j,i)
510	ENDDO
511	ENDDO
512	ELSE
513	DO i = nxlg, nxrg
514	DO j = nysg, nyng
515	local_pf(i,j,nzb+1) = m_liq_eb_av(j,i)
516	ENDDO
517	ENDDO
518	ENDIF
519	resorted = .TRUE.
520	two_d = .TRUE.
521	level_z(nzb+1) = zu(nzb+1)
522
523	CASE ( 'm_soil_xy', 'm_soil_xz', 'm_soil_yz' )
524	nzb_do = nzb_soil
525	nzt_do = nzt_soil
526	IF ( av == 0 ) THEN
527	to_be_resorted => m_soil
528	ELSE
529	to_be_resorted => m_soil_av
530	ENDIF
531	IF ( mode == 'xy' ) level_z = zs
532
533	CASE ( 'nr_xy', 'nr_xz', 'nr_yz' )
534	IF ( av == 0 ) THEN
535	to_be_resorted => nr
536	ELSE
537	to_be_resorted => nr_av
538	ENDIF
539	IF ( mode == 'xy' ) level_z = zu
540
541	CASE ( 'p_xy', 'p_xz', 'p_yz' )
542	IF ( av == 0 ) THEN
543	IF ( psolver /= 'sor' ) CALL exchange_horiz( p, nbgp )
544	to_be_resorted => p
545	ELSE
546	IF ( psolver /= 'sor' ) CALL exchange_horiz( p_av, nbgp )
547	to_be_resorted => p_av
548	ENDIF
549	IF ( mode == 'xy' ) level_z = zu
550
551	CASE ( 'pc_xy', 'pc_xz', 'pc_yz' ) ! particle concentration
552	IF ( av == 0 ) THEN
553	IF ( simulated_time >= particle_advection_start ) THEN
554	tend = prt_count
555	CALL exchange_horiz( tend, nbgp )
556	ELSE
557	tend = 0.0_wp
558	ENDIF
559	DO i = nxlg, nxrg
560	DO j = nysg, nyng
561	DO k = nzb, nzt+1
562	local_pf(i,j,k) = tend(k,j,i)
563	ENDDO
564	ENDDO
565	ENDDO
566	resorted = .TRUE.
567	ELSE
568	CALL exchange_horiz( pc_av, nbgp )
569	to_be_resorted => pc_av
570	ENDIF
571
572	CASE ( 'pr_xy', 'pr_xz', 'pr_yz' ) ! mean particle radius (effective radius)
573	IF ( av == 0 ) THEN
574	IF ( simulated_time >= particle_advection_start ) THEN
575	DO i = nxl, nxr
576	DO j = nys, nyn
577	DO k = nzb, nzt+1
578	number_of_particles = prt_count(k,j,i)
579	IF (number_of_particles <= 0) CYCLE
580	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
581	s_r2 = 0.0_wp
582	s_r3 = 0.0_wp
583	DO n = 1, number_of_particles
584	IF ( particles(n)%particle_mask ) THEN
585	s_r2 = s_r2 + particles(n)%radius*2 &
586	particles(n)%weight_factor
587	s_r3 = s_r3 + particles(n)%radius*3 &
588	particles(n)%weight_factor
589	ENDIF
590	ENDDO
591	IF ( s_r2 > 0.0_wp ) THEN
592	mean_r = s_r3 / s_r2
593	ELSE
594	mean_r = 0.0_wp
595	ENDIF
596	tend(k,j,i) = mean_r
597	ENDDO
598	ENDDO
599	ENDDO
600	CALL exchange_horiz( tend, nbgp )
601	ELSE
602	tend = 0.0_wp
603	ENDIF
604	DO i = nxlg, nxrg
605	DO j = nysg, nyng
606	DO k = nzb, nzt+1
607	local_pf(i,j,k) = tend(k,j,i)
608	ENDDO
609	ENDDO
610	ENDDO
611	resorted = .TRUE.
612	ELSE
613	CALL exchange_horiz( pr_av, nbgp )
614	to_be_resorted => pr_av
615	ENDIF
616
617	CASE ( 'pra*_xy' ) ! 2d-array / integral quantity => no av
618	CALL exchange_horiz_2d( precipitation_amount )
619	DO i = nxlg, nxrg
620	DO j = nysg, nyng
621	local_pf(i,j,nzb+1) = precipitation_amount(j,i)
622	ENDDO
623	ENDDO
624	precipitation_amount = 0.0_wp ! reset for next integ. interval
625	resorted = .TRUE.
626	two_d = .TRUE.
627	level_z(nzb+1) = zu(nzb+1)
628
629	CASE ( 'prr*_xy' ) ! 2d-array
630	IF ( icloud_scheme == 1 ) THEN
631	IF ( av == 0 ) THEN
632	CALL exchange_horiz_2d( precipitation_rate )
633	DO i = nxlg, nxrg
634	DO j = nysg, nyng
635	local_pf(i,j,nzb+1) = precipitation_rate(j,i)
636	ENDDO
637	ENDDO
638	ELSE
639	CALL exchange_horiz_2d( precipitation_rate_av )
640	DO i = nxlg, nxrg
641	DO j = nysg, nyng
642	local_pf(i,j,nzb+1) = precipitation_rate_av(j,i)
643	ENDDO
644	ENDDO
645	ENDIF
646	ELSE
647	IF ( av == 0 ) THEN
648	CALL exchange_horiz_2d( prr(nzb+1,:,:) )
649	DO i = nxlg, nxrg
650	DO j = nysg, nyng
651	local_pf(i,j,nzb+1) = prr(nzb+1,j,i) * hyrho(nzb+1)
652	ENDDO
653	ENDDO
654	ELSE
655	CALL exchange_horiz_2d( prr_av(nzb+1,:,:) )
656	DO i = nxlg, nxrg
657	DO j = nysg, nyng
658	local_pf(i,j,nzb+1) = prr_av(nzb+1,j,i) * &
659	hyrho(nzb+1)
660	ENDDO
661	ENDDO
662	ENDIF
663	ENDIF
664	resorted = .TRUE.
665	two_d = .TRUE.
666	level_z(nzb+1) = zu(nzb+1)
667
668	CASE ( 'prr_xy', 'prr_xz', 'prr_yz' )
669	IF ( av == 0 ) THEN
670	CALL exchange_horiz( prr, nbgp )
671	DO i = nxlg, nxrg
672	DO j = nysg, nyng
673	DO k = nzb, nzt+1
674	local_pf(i,j,k) = prr(k,j,i)
675	ENDDO
676	ENDDO
677	ENDDO
678	ELSE
679	CALL exchange_horiz( prr_av, nbgp )
680	DO i = nxlg, nxrg
681	DO j = nysg, nyng
682	DO k = nzb, nzt+1
683	local_pf(i,j,k) = prr_av(k,j,i)
684	ENDDO
685	ENDDO
686	ENDDO
687	ENDIF
688	resorted = .TRUE.
689	IF ( mode == 'xy' ) level_z = zu
690
691	CASE ( 'pt_xy', 'pt_xz', 'pt_yz' )
692	IF ( av == 0 ) THEN
693	IF ( .NOT. cloud_physics ) THEN
694	to_be_resorted => pt
695	ELSE
696	DO i = nxlg, nxrg
697	DO j = nysg, nyng
698	DO k = nzb, nzt+1
699	local_pf(i,j,k) = pt(k,j,i) + l_d_cp * &
700	pt_d_t(k) * &
701	ql(k,j,i)
702	ENDDO
703	ENDDO
704	ENDDO
705	resorted = .TRUE.
706	ENDIF
707	ELSE
708	to_be_resorted => pt_av
709	ENDIF
710	IF ( mode == 'xy' ) level_z = zu
711
712	CASE ( 'q_xy', 'q_xz', 'q_yz' )
713	IF ( av == 0 ) THEN
714	to_be_resorted => q
715	ELSE
716	to_be_resorted => q_av
717	ENDIF
718	IF ( mode == 'xy' ) level_z = zu
719
720	CASE ( 'qc_xy', 'qc_xz', 'qc_yz' )
721	IF ( av == 0 ) THEN
722	to_be_resorted => qc
723	ELSE
724	to_be_resorted => qc_av
725	ENDIF
726	IF ( mode == 'xy' ) level_z = zu
727
728	CASE ( 'ql_xy', 'ql_xz', 'ql_yz' )
729	IF ( av == 0 ) THEN
730	to_be_resorted => ql
731	ELSE
732	to_be_resorted => ql_av
733	ENDIF
734	IF ( mode == 'xy' ) level_z = zu
735
736	CASE ( 'ql_c_xy', 'ql_c_xz', 'ql_c_yz' )
737	IF ( av == 0 ) THEN
738	to_be_resorted => ql_c
739	ELSE
740	to_be_resorted => ql_c_av
741	ENDIF
742	IF ( mode == 'xy' ) level_z = zu
743
744	CASE ( 'ql_v_xy', 'ql_v_xz', 'ql_v_yz' )
745	IF ( av == 0 ) THEN
746	to_be_resorted => ql_v
747	ELSE
748	to_be_resorted => ql_v_av
749	ENDIF
750	IF ( mode == 'xy' ) level_z = zu
751
752	CASE ( 'ql_vp_xy', 'ql_vp_xz', 'ql_vp_yz' )
753	IF ( av == 0 ) THEN
754	IF ( simulated_time >= particle_advection_start ) THEN
755	DO i = nxl, nxr
756	DO j = nys, nyn
757	DO k = nzb, nzt+1
758	number_of_particles = prt_count(k,j,i)
759	IF (number_of_particles <= 0) CYCLE
760	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
761	DO n = 1, number_of_particles
762	IF ( particles(n)%particle_mask ) THEN
763	tend(k,j,i) = tend(k,j,i) + &
764	particles(n)%weight_factor / &
765	prt_count(k,j,i)
766	ENDIF
767	ENDDO
768	ENDDO
769	ENDDO
770	ENDDO
771	CALL exchange_horiz( tend, nbgp )
772	ELSE
773	tend = 0.0_wp
774	ENDIF
775	DO i = nxlg, nxrg
776	DO j = nysg, nyng
777	DO k = nzb, nzt+1
778	local_pf(i,j,k) = tend(k,j,i)
779	ENDDO
780	ENDDO
781	ENDDO
782	resorted = .TRUE.
783	ELSE
784	CALL exchange_horiz( ql_vp_av, nbgp )
785	to_be_resorted => ql_vp
786	ENDIF
787	IF ( mode == 'xy' ) level_z = zu
788
789	CASE ( 'qr_xy', 'qr_xz', 'qr_yz' )
790	IF ( av == 0 ) THEN
791	to_be_resorted => qr
792	ELSE
793	to_be_resorted => qr_av
794	ENDIF
795	IF ( mode == 'xy' ) level_z = zu
796
797	CASE ( 'qsws*_xy' ) ! 2d-array
798	IF ( av == 0 ) THEN
799	DO i = nxlg, nxrg
800	DO j = nysg, nyng
801	local_pf(i,j,nzb+1) = qsws(j,i)
802	ENDDO
803	ENDDO
804	ELSE
805	DO i = nxlg, nxrg
806	DO j = nysg, nyng
807	local_pf(i,j,nzb+1) = qsws_av(j,i)
808	ENDDO
809	ENDDO
810	ENDIF
811	resorted = .TRUE.
812	two_d = .TRUE.
813	level_z(nzb+1) = zu(nzb+1)
814
815	CASE ( 'qsws_eb*_xy' ) ! 2d-array
816	IF ( av == 0 ) THEN
817	DO i = nxlg, nxrg
818	DO j = nysg, nyng
819	local_pf(i,j,nzb+1) = qsws_eb(j,i)
820	ENDDO
821	ENDDO
822	ELSE
823	DO i = nxlg, nxrg
824	DO j = nysg, nyng
825	local_pf(i,j,nzb+1) = qsws_eb_av(j,i)
826	ENDDO
827	ENDDO
828	ENDIF
829	resorted = .TRUE.
830	two_d = .TRUE.
831	level_z(nzb+1) = zu(nzb+1)
832
833	CASE ( 'qsws_liq_eb*_xy' ) ! 2d-array
834	IF ( av == 0 ) THEN
835	DO i = nxlg, nxrg
836	DO j = nysg, nyng
837	local_pf(i,j,nzb+1) = qsws_liq_eb(j,i)
838	ENDDO
839	ENDDO
840	ELSE
841	DO i = nxlg, nxrg
842	DO j = nysg, nyng
843	local_pf(i,j,nzb+1) = qsws_liq_eb_av(j,i)
844	ENDDO
845	ENDDO
846	ENDIF
847	resorted = .TRUE.
848	two_d = .TRUE.
849	level_z(nzb+1) = zu(nzb+1)
850
851	CASE ( 'qsws_soil_eb*_xy' ) ! 2d-array
852	IF ( av == 0 ) THEN
853	DO i = nxlg, nxrg
854	DO j = nysg, nyng
855	local_pf(i,j,nzb+1) = qsws_soil_eb(j,i)
856	ENDDO
857	ENDDO
858	ELSE
859	DO i = nxlg, nxrg
860	DO j = nysg, nyng
861	local_pf(i,j,nzb+1) = qsws_soil_eb_av(j,i)
862	ENDDO
863	ENDDO
864	ENDIF
865	resorted = .TRUE.
866	two_d = .TRUE.
867	level_z(nzb+1) = zu(nzb+1)
868
869	CASE ( 'qsws_veg_eb*_xy' ) ! 2d-array
870	IF ( av == 0 ) THEN
871	DO i = nxlg, nxrg
872	DO j = nysg, nyng
873	local_pf(i,j,nzb+1) = qsws_veg_eb(j,i)
874	ENDDO
875	ENDDO
876	ELSE
877	DO i = nxlg, nxrg
878	DO j = nysg, nyng
879	local_pf(i,j,nzb+1) = qsws_veg_eb_av(j,i)
880	ENDDO
881	ENDDO
882	ENDIF
883	resorted = .TRUE.
884	two_d = .TRUE.
885	level_z(nzb+1) = zu(nzb+1)
886
887	CASE ( 'qv_xy', 'qv_xz', 'qv_yz' )
888	IF ( av == 0 ) THEN
889	DO i = nxlg, nxrg
890	DO j = nysg, nyng
891	DO k = nzb, nzt+1
892	local_pf(i,j,k) = q(k,j,i) - ql(k,j,i)
893	ENDDO
894	ENDDO
895	ENDDO
896	resorted = .TRUE.
897	ELSE
898	to_be_resorted => qv_av
899	ENDIF
900	IF ( mode == 'xy' ) level_z = zu
901
902	CASE ( 'rad_net*_xy' ) ! 2d-array
903	IF ( av == 0 ) THEN
904	DO i = nxlg, nxrg
905	DO j = nysg, nyng
906	local_pf(i,j,nzb+1) = rad_net(j,i)
907	ENDDO
908	ENDDO
909	ELSE
910	DO i = nxlg, nxrg
911	DO j = nysg, nyng
912	local_pf(i,j,nzb+1) = rad_net_av(j,i)
913	ENDDO
914	ENDDO
915	ENDIF
916	resorted = .TRUE.
917	two_d = .TRUE.
918	level_z(nzb+1) = zu(nzb+1)
919
920
921	CASE ( 'rad_lw_in_xy', 'rad_lw_in_xz', 'rad_lw_in_yz' )
922	IF ( av == 0 ) THEN
923	to_be_resorted => rad_lw_in
924	ELSE
925	to_be_resorted => rad_lw_in_av
926	ENDIF
927
928	CASE ( 'rad_lw_out_xy', 'rad_lw_out_xz', 'rad_lw_out_yz' )
929	IF ( av == 0 ) THEN
930	to_be_resorted => rad_lw_out
931	ELSE
932	to_be_resorted => rad_lw_out_av
933	ENDIF
934
935	CASE ( 'rad_sw_in_xy', 'rad_sw_in_xz', 'rad_sw_in_yz' )
936	IF ( av == 0 ) THEN
937	to_be_resorted => rad_sw_in
938	ELSE
939	to_be_resorted => rad_sw_in_av
940	ENDIF
941
942	CASE ( 'rad_sw_out_xy', 'rad_sw_out_xz', 'rad_sw_out_yz' )
943	IF ( av == 0 ) THEN
944	to_be_resorted => rad_sw_out
945	ELSE
946	to_be_resorted => rad_sw_out_av
947	ENDIF
948
949	CASE ( 'rho_xy', 'rho_xz', 'rho_yz' )
950	IF ( av == 0 ) THEN
951	to_be_resorted => rho
952	ELSE
953	to_be_resorted => rho_av
954	ENDIF
955
956	CASE ( 'r_a*_xy' ) ! 2d-array
957	IF ( av == 0 ) THEN
958	DO i = nxlg, nxrg
959	DO j = nysg, nyng
960	local_pf(i,j,nzb+1) = r_a(j,i)
961	ENDDO
962	ENDDO
963	ELSE
964	DO i = nxlg, nxrg
965	DO j = nysg, nyng
966	local_pf(i,j,nzb+1) = r_a_av(j,i)
967	ENDDO
968	ENDDO
969	ENDIF
970	resorted = .TRUE.
971	two_d = .TRUE.
972	level_z(nzb+1) = zu(nzb+1)
973
974	CASE ( 'r_s*_xy' ) ! 2d-array
975	IF ( av == 0 ) THEN
976	DO i = nxlg, nxrg
977	DO j = nysg, nyng
978	local_pf(i,j,nzb+1) = r_s(j,i)
979	ENDDO
980	ENDDO
981	ELSE
982	DO i = nxlg, nxrg
983	DO j = nysg, nyng
984	local_pf(i,j,nzb+1) = r_s_av(j,i)
985	ENDDO
986	ENDDO
987	ENDIF
988	resorted = .TRUE.
989	two_d = .TRUE.
990	level_z(nzb+1) = zu(nzb+1)
991
992	CASE ( 's_xy', 's_xz', 's_yz' )
993	IF ( av == 0 ) THEN
994	to_be_resorted => q
995	ELSE
996	to_be_resorted => s_av
997	ENDIF
998
999	CASE ( 'sa_xy', 'sa_xz', 'sa_yz' )
1000	IF ( av == 0 ) THEN
1001	to_be_resorted => sa
1002	ELSE
1003	to_be_resorted => sa_av
1004	ENDIF
1005
1006	CASE ( 'shf*_xy' ) ! 2d-array
1007	IF ( av == 0 ) THEN
1008	DO i = nxlg, nxrg
1009	DO j = nysg, nyng
1010	local_pf(i,j,nzb+1) = shf(j,i)
1011	ENDDO
1012	ENDDO
1013	ELSE
1014	DO i = nxlg, nxrg
1015	DO j = nysg, nyng
1016	local_pf(i,j,nzb+1) = shf_av(j,i)
1017	ENDDO
1018	ENDDO
1019	ENDIF
1020	resorted = .TRUE.
1021	two_d = .TRUE.
1022	level_z(nzb+1) = zu(nzb+1)
1023
1024	CASE ( 'shf_eb*_xy' ) ! 2d-array
1025	IF ( av == 0 ) THEN
1026	DO i = nxlg, nxrg
1027	DO j = nysg, nyng
1028	local_pf(i,j,nzb+1) = shf_eb(j,i)
1029	ENDDO
1030	ENDDO
1031	ELSE
1032	DO i = nxlg, nxrg
1033	DO j = nysg, nyng
1034	local_pf(i,j,nzb+1) = shf_eb_av(j,i)
1035	ENDDO
1036	ENDDO
1037	ENDIF
1038	resorted = .TRUE.
1039	two_d = .TRUE.
1040	level_z(nzb+1) = zu(nzb+1)
1041
1042	CASE ( 't*_xy' ) ! 2d-array
1043	IF ( av == 0 ) THEN
1044	DO i = nxlg, nxrg
1045	DO j = nysg, nyng
1046	local_pf(i,j,nzb+1) = ts(j,i)
1047	ENDDO
1048	ENDDO
1049	ELSE
1050	DO i = nxlg, nxrg
1051	DO j = nysg, nyng
1052	local_pf(i,j,nzb+1) = ts_av(j,i)
1053	ENDDO
1054	ENDDO
1055	ENDIF
1056	resorted = .TRUE.
1057	two_d = .TRUE.
1058	level_z(nzb+1) = zu(nzb+1)
1059
1060	CASE ( 't_soil_xy', 't_soil_xz', 't_soil_yz' )
1061	nzb_do = nzb_soil
1062	nzt_do = nzt_soil
1063	IF ( av == 0 ) THEN
1064	to_be_resorted => t_soil
1065	ELSE
1066	to_be_resorted => t_soil_av
1067	ENDIF
1068	IF ( mode == 'xy' ) level_z = zs
1069
1070	CASE ( 'u_xy', 'u_xz', 'u_yz' )
1071	IF ( av == 0 ) THEN
1072	to_be_resorted => u
1073	ELSE
1074	to_be_resorted => u_av
1075	ENDIF
1076	IF ( mode == 'xy' ) level_z = zu
1077	!
1078	!-- Substitute the values generated by "mirror" boundary condition
1079	!-- at the bottom boundary by the real surface values.
1080	IF ( do2d(av,if) == 'u_xz' .OR. do2d(av,if) == 'u_yz' ) THEN
1081	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
1082	ENDIF
1083
1084	CASE ( 'u*_xy' ) ! 2d-array
1085	IF ( av == 0 ) THEN
1086	DO i = nxlg, nxrg
1087	DO j = nysg, nyng
1088	local_pf(i,j,nzb+1) = us(j,i)
1089	ENDDO
1090	ENDDO
1091	ELSE
1092	DO i = nxlg, nxrg
1093	DO j = nysg, nyng
1094	local_pf(i,j,nzb+1) = us_av(j,i)
1095	ENDDO
1096	ENDDO
1097	ENDIF
1098	resorted = .TRUE.
1099	two_d = .TRUE.
1100	level_z(nzb+1) = zu(nzb+1)
1101
1102	CASE ( 'v_xy', 'v_xz', 'v_yz' )
1103	IF ( av == 0 ) THEN
1104	to_be_resorted => v
1105	ELSE
1106	to_be_resorted => v_av
1107	ENDIF
1108	IF ( mode == 'xy' ) level_z = zu
1109	!
1110	!-- Substitute the values generated by "mirror" boundary condition
1111	!-- at the bottom boundary by the real surface values.
1112	IF ( do2d(av,if) == 'v_xz' .OR. do2d(av,if) == 'v_yz' ) THEN
1113	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
1114	ENDIF
1115
1116	CASE ( 'vpt_xy', 'vpt_xz', 'vpt_yz' )
1117	IF ( av == 0 ) THEN
1118	to_be_resorted => vpt
1119	ELSE
1120	to_be_resorted => vpt_av
1121	ENDIF
1122	IF ( mode == 'xy' ) level_z = zu
1123
1124	CASE ( 'w_xy', 'w_xz', 'w_yz' )
1125	IF ( av == 0 ) THEN
1126	to_be_resorted => w
1127	ELSE
1128	to_be_resorted => w_av
1129	ENDIF
1130	IF ( mode == 'xy' ) level_z = zw
1131
1132	CASE ( 'z0*_xy' ) ! 2d-array
1133	IF ( av == 0 ) THEN
1134	DO i = nxlg, nxrg
1135	DO j = nysg, nyng
1136	local_pf(i,j,nzb+1) = z0(j,i)
1137	ENDDO
1138	ENDDO
1139	ELSE
1140	DO i = nxlg, nxrg
1141	DO j = nysg, nyng
1142	local_pf(i,j,nzb+1) = z0_av(j,i)
1143	ENDDO
1144	ENDDO
1145	ENDIF
1146	resorted = .TRUE.
1147	two_d = .TRUE.
1148	level_z(nzb+1) = zu(nzb+1)
1149
1150	CASE ( 'z0h*_xy' ) ! 2d-array
1151	IF ( av == 0 ) THEN
1152	DO i = nxlg, nxrg
1153	DO j = nysg, nyng
1154	local_pf(i,j,nzb+1) = z0h(j,i)
1155	ENDDO
1156	ENDDO
1157	ELSE
1158	DO i = nxlg, nxrg
1159	DO j = nysg, nyng
1160	local_pf(i,j,nzb+1) = z0h_av(j,i)
1161	ENDDO
1162	ENDDO
1163	ENDIF
1164	resorted = .TRUE.
1165	two_d = .TRUE.
1166	level_z(nzb+1) = zu(nzb+1)
1167
1168	CASE DEFAULT
1169	!
1170	!-- User defined quantity
1171	CALL user_data_output_2d( av, do2d(av,if), found, grid, &
1172	local_pf, two_d, nzb_do, nzt_do )
1173	resorted = .TRUE.
1174
1175	IF ( grid == 'zu' ) THEN
1176	IF ( mode == 'xy' ) level_z = zu
1177	ELSEIF ( grid == 'zw' ) THEN
1178	IF ( mode == 'xy' ) level_z = zw
1179	ELSEIF ( grid == 'zu1' ) THEN
1180	IF ( mode == 'xy' ) level_z(nzb+1) = zu(nzb+1)
1181	ELSEIF ( grid == 'zs' ) THEN
1182	IF ( mode == 'xy' ) level_z = zs
1183	ENDIF
1184
1185	IF ( .NOT. found ) THEN
1186	message_string = 'no output provided for: ' // &
1187	TRIM( do2d(av,if) )
1188	CALL message( 'data_output_2d', 'PA0181', 0, 0, 0, 6, 0 )
1189	ENDIF
1190
1191	END SELECT
1192
1193	!
1194	!-- Resort the array to be output, if not done above
1195	IF ( .NOT. resorted ) THEN
1196	DO i = nxlg, nxrg
1197	DO j = nysg, nyng
1198	DO k = nzb_do, nzt_do
1199	local_pf(i,j,k) = to_be_resorted(k,j,i)
1200	ENDDO
1201	ENDDO
1202	ENDDO
1203	ENDIF
1204
1205	!
1206	!-- Output of the individual cross-sections, depending on the cross-
1207	!-- section mode chosen.
1208	is = 1
1209	loop1: DO WHILE ( section(is,s) /= -9999 .OR. two_d )
1210
1211	SELECT CASE ( mode )
1212
1213	CASE ( 'xy' )
1214	!
1215	!-- Determine the cross section index
1216	IF ( two_d ) THEN
1217	layer_xy = nzb+1
1218	ELSE
1219	layer_xy = section(is,s)
1220	ENDIF
1221
1222	!
1223	!-- Exit the loop for layers beyond the data output domain
1224	!-- (used for soil model)
1225	IF ( layer_xy .GT. nzt_do ) THEN
1226	EXIT loop1
1227	ENDIF
1228
1229	!
1230	!-- Update the netCDF xy cross section time axis.
1231	!-- In case of parallel output, this is only done by PE0
1232	!-- to increase the performance.
1233	IF ( simulated_time /= do2d_xy_last_time(av) ) THEN
1234	do2d_xy_time_count(av) = do2d_xy_time_count(av) + 1
1235	do2d_xy_last_time(av) = simulated_time
1236	IF ( myid == 0 ) THEN
1237	IF ( .NOT. data_output_2d_on_each_pe &
1238	.OR. netcdf_data_format > 4 ) &
1239	THEN
1240	#if defined( __netcdf )
1241	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1242	id_var_time_xy(av), &
1243	(/ time_since_reference_point /), &
1244	start = (/ do2d_xy_time_count(av) /), &
1245	count = (/ 1 /) )
1246	CALL handle_netcdf_error( 'data_output_2d', 53 )
1247	#endif
1248	ENDIF
1249	ENDIF
1250	ENDIF
1251	!
1252	!-- If required, carry out averaging along z
1253	IF ( section(is,s) == -1 .AND. .NOT. two_d ) THEN
1254
1255	local_2d = 0.0_wp
1256	!
1257	!-- Carry out the averaging (all data are on the PE)
1258	DO k = nzb_do, nzt_do
1259	DO j = nysg, nyng
1260	DO i = nxlg, nxrg
1261	local_2d(i,j) = local_2d(i,j) + local_pf(i,j,k)
1262	ENDDO
1263	ENDDO
1264	ENDDO
1265
1266	local_2d = local_2d / ( nzt_do - nzb_do + 1.0_wp)
1267
1268	ELSE
1269	!
1270	!-- Just store the respective section on the local array
1271	local_2d = local_pf(:,:,layer_xy)
1272
1273	ENDIF
1274
1275	#if defined( __parallel )
1276	IF ( netcdf_data_format > 4 ) THEN
1277	!
1278	!-- Parallel output in netCDF4/HDF5 format.
1279	IF ( two_d ) THEN
1280	iis = 1
1281	ELSE
1282	iis = is
1283	ENDIF
1284
1285	#if defined( __netcdf )
1286	!
1287	!-- For parallel output, all cross sections are first stored
1288	!-- here on a local array and will be written to the output
1289	!-- file afterwards to increase the performance.
1290	DO i = nxlg, nxrg
1291	DO j = nysg, nyng
1292	local_2d_sections(i,j,iis) = local_2d(i,j)
1293	ENDDO
1294	ENDDO
1295	#endif
1296	ELSE
1297
1298	IF ( data_output_2d_on_each_pe ) THEN
1299	!
1300	!-- Output of partial arrays on each PE
1301	#if defined( __netcdf )
1302	IF ( myid == 0 ) THEN
1303	WRITE ( 21 ) time_since_reference_point, &
1304	do2d_xy_time_count(av), av
1305	ENDIF
1306	#endif
1307	DO i = 0, io_blocks-1
1308	IF ( i == io_group ) THEN
1309	WRITE ( 21 ) nxlg, nxrg, nysg, nyng, nysg, nyng
1310	WRITE ( 21 ) local_2d
1311	ENDIF
1312	#if defined( __parallel )
1313	CALL MPI_BARRIER( comm2d, ierr )
1314	#endif
1315	ENDDO
1316
1317	ELSE
1318	!
1319	!-- PE0 receives partial arrays from all processors and
1320	!-- then outputs them. Here a barrier has to be set,
1321	!-- because otherwise "-MPI- FATAL: Remote protocol queue
1322	!-- full" may occur.
1323	CALL MPI_BARRIER( comm2d, ierr )
1324
1325	ngp = ( nxrg-nxlg+1 ) * ( nyng-nysg+1 )
1326	IF ( myid == 0 ) THEN
1327	!
1328	!-- Local array can be relocated directly.
1329	total_2d(nxlg:nxrg,nysg:nyng) = local_2d
1330	!
1331	!-- Receive data from all other PEs.
1332	DO n = 1, numprocs-1
1333	!
1334	!-- Receive index limits first, then array.
1335	!-- Index limits are received in arbitrary order from
1336	!-- the PEs.
1337	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1338	MPI_ANY_SOURCE, 0, comm2d, &
1339	status, ierr )
1340	sender = status(MPI_SOURCE)
1341	DEALLOCATE( local_2d )
1342	ALLOCATE( local_2d(ind(1):ind(2),ind(3):ind(4)) )
1343	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1344	MPI_REAL, sender, 1, comm2d, &
1345	status, ierr )
1346	total_2d(ind(1):ind(2),ind(3):ind(4)) = local_2d
1347	ENDDO
1348	!
1349	!-- Relocate the local array for the next loop increment
1350	DEALLOCATE( local_2d )
1351	ALLOCATE( local_2d(nxlg:nxrg,nysg:nyng) )
1352
1353	#if defined( __netcdf )
1354	IF ( two_d ) THEN
1355	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1356	id_var_do2d(av,if), &
1357	total_2d(0:nx+1,0:ny+1), &
1358	start = (/ 1, 1, 1, do2d_xy_time_count(av) /), &
1359	count = (/ nx+2, ny+2, 1, 1 /) )
1360	ELSE
1361	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1362	id_var_do2d(av,if), &
1363	total_2d(0:nx+1,0:ny+1), &
1364	start = (/ 1, 1, is, do2d_xy_time_count(av) /), &
1365	count = (/ nx+2, ny+2, 1, 1 /) )
1366	ENDIF
1367	CALL handle_netcdf_error( 'data_output_2d', 54 )
1368	#endif
1369
1370	ELSE
1371	!
1372	!-- First send the local index limits to PE0
1373	ind(1) = nxlg; ind(2) = nxrg
1374	ind(3) = nysg; ind(4) = nyng
1375	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1376	comm2d, ierr )
1377	!
1378	!-- Send data to PE0
1379	CALL MPI_SEND( local_2d(nxlg,nysg), ngp, &
1380	MPI_REAL, 0, 1, comm2d, ierr )
1381	ENDIF
1382	!
1383	!-- A barrier has to be set, because otherwise some PEs may
1384	!-- proceed too fast so that PE0 may receive wrong data on
1385	!-- tag 0
1386	CALL MPI_BARRIER( comm2d, ierr )
1387	ENDIF
1388
1389	ENDIF
1390	#else
1391	#if defined( __netcdf )
1392	IF ( two_d ) THEN
1393	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1394	id_var_do2d(av,if), &
1395	local_2d(nxl:nxr+1,nys:nyn+1), &
1396	start = (/ 1, 1, 1, do2d_xy_time_count(av) /), &
1397	count = (/ nx+2, ny+2, 1, 1 /) )
1398	ELSE
1399	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1400	id_var_do2d(av,if), &
1401	local_2d(nxl:nxr+1,nys:nyn+1), &
1402	start = (/ 1, 1, is, do2d_xy_time_count(av) /), &
1403	count = (/ nx+2, ny+2, 1, 1 /) )
1404	ENDIF
1405	CALL handle_netcdf_error( 'data_output_2d', 447 )
1406	#endif
1407	#endif
1408	do2d_xy_n = do2d_xy_n + 1
1409	!
1410	!-- For 2D-arrays (e.g. u*) only one cross-section is available.
1411	!-- Hence exit loop of output levels.
1412	IF ( two_d ) THEN
1413	two_d = .FALSE.
1414	EXIT loop1
1415	ENDIF
1416
1417	CASE ( 'xz' )
1418	!
1419	!-- Update the netCDF xz cross section time axis.
1420	!-- In case of parallel output, this is only done by PE0
1421	!-- to increase the performance.
1422	IF ( simulated_time /= do2d_xz_last_time(av) ) THEN
1423	do2d_xz_time_count(av) = do2d_xz_time_count(av) + 1
1424	do2d_xz_last_time(av) = simulated_time
1425	IF ( myid == 0 ) THEN
1426	IF ( .NOT. data_output_2d_on_each_pe &
1427	.OR. netcdf_data_format > 4 ) &
1428	THEN
1429	#if defined( __netcdf )
1430	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1431	id_var_time_xz(av), &
1432	(/ time_since_reference_point /), &
1433	start = (/ do2d_xz_time_count(av) /), &
1434	count = (/ 1 /) )
1435	CALL handle_netcdf_error( 'data_output_2d', 56 )
1436	#endif
1437	ENDIF
1438	ENDIF
1439	ENDIF
1440
1441	!
1442	!-- If required, carry out averaging along y
1443	IF ( section(is,s) == -1 ) THEN
1444
1445	ALLOCATE( local_2d_l(nxlg:nxrg,nzb_do:nzt_do) )
1446	local_2d_l = 0.0_wp
1447	ngp = ( nxrg-nxlg + 1 ) * ( nzt_do-nzb_do + 1 )
1448	!
1449	!-- First local averaging on the PE
1450	DO k = nzb_do, nzt_do
1451	DO j = nys, nyn
1452	DO i = nxlg, nxrg
1453	local_2d_l(i,k) = local_2d_l(i,k) + &
1454	local_pf(i,j,k)
1455	ENDDO
1456	ENDDO
1457	ENDDO
1458	#if defined( __parallel )
1459	!
1460	!-- Now do the averaging over all PEs along y
1461	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1462	CALL MPI_ALLREDUCE( local_2d_l(nxlg,nzb_do), &
1463	local_2d(nxlg,nzb_do), ngp, MPI_REAL, &
1464	MPI_SUM, comm1dy, ierr )
1465	#else
1466	local_2d = local_2d_l
1467	#endif
1468	local_2d = local_2d / ( ny + 1.0_wp )
1469
1470	DEALLOCATE( local_2d_l )
1471
1472	ELSE
1473	!
1474	!-- Just store the respective section on the local array
1475	!-- (but only if it is available on this PE!)
1476	IF ( section(is,s) >= nys .AND. section(is,s) <= nyn ) &
1477	THEN
1478	local_2d = local_pf(:,section(is,s),nzb_do:nzt_do)
1479	ENDIF
1480
1481	ENDIF
1482
1483	#if defined( __parallel )
1484	IF ( netcdf_data_format > 4 ) THEN
1485	!
1486	!-- Output in netCDF4/HDF5 format.
1487	!-- Output only on those PEs where the respective cross
1488	!-- sections reside. Cross sections averaged along y are
1489	!-- output on the respective first PE along y (myidy=0).
1490	IF ( ( section(is,s) >= nys .AND. &
1491	section(is,s) <= nyn ) .OR. &
1492	( section(is,s) == -1 .AND. myidy == 0 ) ) THEN
1493	#if defined( __netcdf )
1494	!
1495	!-- For parallel output, all cross sections are first
1496	!-- stored here on a local array and will be written to the
1497	!-- output file afterwards to increase the performance.
1498	DO i = nxlg, nxrg
1499	DO k = nzb_do, nzt_do
1500	local_2d_sections_l(i,is,k) = local_2d(i,k)
1501	ENDDO
1502	ENDDO
1503	#endif
1504	ENDIF
1505
1506	ELSE
1507
1508	IF ( data_output_2d_on_each_pe ) THEN
1509	!
1510	!-- Output of partial arrays on each PE. If the cross
1511	!-- section does not reside on the PE, output special
1512	!-- index values.
1513	#if defined( __netcdf )
1514	IF ( myid == 0 ) THEN
1515	WRITE ( 22 ) time_since_reference_point, &
1516	do2d_xz_time_count(av), av
1517	ENDIF
1518	#endif
1519	DO i = 0, io_blocks-1
1520	IF ( i == io_group ) THEN
1521	IF ( ( section(is,s) >= nys .AND. &
1522	section(is,s) <= nyn ) .OR. &
1523	( section(is,s) == -1 .AND. &
1524	nys-1 == -1 ) ) &
1525	THEN
1526	WRITE (22) nxlg, nxrg, nzb_do, nzt_do, nzb, nzt+1
1527	WRITE (22) local_2d
1528	ELSE
1529	WRITE (22) -1, -1, -1, -1, -1, -1
1530	ENDIF
1531	ENDIF
1532	#if defined( __parallel )
1533	CALL MPI_BARRIER( comm2d, ierr )
1534	#endif
1535	ENDDO
1536
1537	ELSE
1538	!
1539	!-- PE0 receives partial arrays from all processors of the
1540	!-- respective cross section and outputs them. Here a
1541	!-- barrier has to be set, because otherwise
1542	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
1543	CALL MPI_BARRIER( comm2d, ierr )
1544
1545	ngp = ( nxrg-nxlg + 1 ) * ( nzt_do-nzb_do + 1 )
1546	IF ( myid == 0 ) THEN
1547	!
1548	!-- Local array can be relocated directly.
1549	IF ( ( section(is,s) >= nys .AND. &
1550	section(is,s) <= nyn ) .OR. &
1551	( section(is,s) == -1 .AND. nys-1 == -1 ) ) &
1552	THEN
1553	total_2d(nxlg:nxrg,nzb_do:nzt_do) = local_2d
1554	ENDIF
1555	!
1556	!-- Receive data from all other PEs.
1557	DO n = 1, numprocs-1
1558	!
1559	!-- Receive index limits first, then array.
1560	!-- Index limits are received in arbitrary order from
1561	!-- the PEs.
1562	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1563	MPI_ANY_SOURCE, 0, comm2d, &
1564	status, ierr )
1565	!
1566	!-- Not all PEs have data for XZ-cross-section.
1567	IF ( ind(1) /= -9999 ) THEN
1568	sender = status(MPI_SOURCE)
1569	DEALLOCATE( local_2d )
1570	ALLOCATE( local_2d(ind(1):ind(2), &
1571	ind(3):ind(4)) )
1572	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1573	MPI_REAL, sender, 1, comm2d, &
1574	status, ierr )
1575	total_2d(ind(1):ind(2),ind(3):ind(4)) = &
1576	local_2d
1577	ENDIF
1578	ENDDO
1579	!
1580	!-- Relocate the local array for the next loop increment
1581	DEALLOCATE( local_2d )
1582	ALLOCATE( local_2d(nxlg:nxrg,nzb_do:nzt_do) )
1583
1584	#if defined( __netcdf )
1585	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1586	id_var_do2d(av,if), &
1587	total_2d(0:nx+1,nzb_do:nzt_do),&
1588	start = (/ 1, is, 1, do2d_xz_time_count(av) /), &
1589	count = (/ nx+2, 1, nzt_do-nzb_do+1, 1 /) )
1590	CALL handle_netcdf_error( 'data_output_2d', 58 )
1591	#endif
1592
1593	ELSE
1594	!
1595	!-- If the cross section resides on the PE, send the
1596	!-- local index limits, otherwise send -9999 to PE0.
1597	IF ( ( section(is,s) >= nys .AND. &
1598	section(is,s) <= nyn ) .OR. &
1599	( section(is,s) == -1 .AND. nys-1 == -1 ) ) &
1600	THEN
1601	ind(1) = nxlg; ind(2) = nxrg
1602	ind(3) = nzb_do; ind(4) = nzt_do
1603	ELSE
1604	ind(1) = -9999; ind(2) = -9999
1605	ind(3) = -9999; ind(4) = -9999
1606	ENDIF
1607	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1608	comm2d, ierr )
1609	!
1610	!-- If applicable, send data to PE0.
1611	IF ( ind(1) /= -9999 ) THEN
1612	CALL MPI_SEND( local_2d(nxlg,nzb_do), ngp, &
1613	MPI_REAL, 0, 1, comm2d, ierr )
1614	ENDIF
1615	ENDIF
1616	!
1617	!-- A barrier has to be set, because otherwise some PEs may
1618	!-- proceed too fast so that PE0 may receive wrong data on
1619	!-- tag 0
1620	CALL MPI_BARRIER( comm2d, ierr )
1621	ENDIF
1622
1623	ENDIF
1624	#else
1625	#if defined( __netcdf )
1626	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1627	id_var_do2d(av,if), &
1628	local_2d(nxl:nxr+1,nzb_do:nzt_do), &
1629	start = (/ 1, is, 1, do2d_xz_time_count(av) /), &
1630	count = (/ nx+2, 1, nzt_do-nzb_do+1, 1 /) )
1631	CALL handle_netcdf_error( 'data_output_2d', 451 )
1632	#endif
1633	#endif
1634	do2d_xz_n = do2d_xz_n + 1
1635
1636	CASE ( 'yz' )
1637	!
1638	!-- Update the netCDF yz cross section time axis.
1639	!-- In case of parallel output, this is only done by PE0
1640	!-- to increase the performance.
1641	IF ( simulated_time /= do2d_yz_last_time(av) ) THEN
1642	do2d_yz_time_count(av) = do2d_yz_time_count(av) + 1
1643	do2d_yz_last_time(av) = simulated_time
1644	IF ( myid == 0 ) THEN
1645	IF ( .NOT. data_output_2d_on_each_pe &
1646	.OR. netcdf_data_format > 4 ) &
1647	THEN
1648	#if defined( __netcdf )
1649	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1650	id_var_time_yz(av), &
1651	(/ time_since_reference_point /), &
1652	start = (/ do2d_yz_time_count(av) /), &
1653	count = (/ 1 /) )
1654	CALL handle_netcdf_error( 'data_output_2d', 59 )
1655	#endif
1656	ENDIF
1657	ENDIF
1658	ENDIF
1659
1660	!
1661	!-- If required, carry out averaging along x
1662	IF ( section(is,s) == -1 ) THEN
1663
1664	ALLOCATE( local_2d_l(nysg:nyng,nzb_do:nzt_do) )
1665	local_2d_l = 0.0_wp
1666	ngp = ( nyng-nysg+1 ) * ( nzt_do-nzb_do+1 )
1667	!
1668	!-- First local averaging on the PE
1669	DO k = nzb_do, nzt_do
1670	DO j = nysg, nyng
1671	DO i = nxl, nxr
1672	local_2d_l(j,k) = local_2d_l(j,k) + &
1673	local_pf(i,j,k)
1674	ENDDO
1675	ENDDO
1676	ENDDO
1677	#if defined( __parallel )
1678	!
1679	!-- Now do the averaging over all PEs along x
1680	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1681	CALL MPI_ALLREDUCE( local_2d_l(nysg,nzb_do), &
1682	local_2d(nysg,nzb_do), ngp, MPI_REAL, &
1683	MPI_SUM, comm1dx, ierr )
1684	#else
1685	local_2d = local_2d_l
1686	#endif
1687	local_2d = local_2d / ( nx + 1.0_wp )
1688
1689	DEALLOCATE( local_2d_l )
1690
1691	ELSE
1692	!
1693	!-- Just store the respective section on the local array
1694	!-- (but only if it is available on this PE!)
1695	IF ( section(is,s) >= nxl .AND. section(is,s) <= nxr ) &
1696	THEN
1697	local_2d = local_pf(section(is,s),:,nzb_do:nzt_do)
1698	ENDIF
1699
1700	ENDIF
1701
1702	#if defined( __parallel )
1703	IF ( netcdf_data_format > 4 ) THEN
1704	!
1705	!-- Output in netCDF4/HDF5 format.
1706	!-- Output only on those PEs where the respective cross
1707	!-- sections reside. Cross sections averaged along x are
1708	!-- output on the respective first PE along x (myidx=0).
1709	IF ( ( section(is,s) >= nxl .AND. &
1710	section(is,s) <= nxr ) .OR. &
1711	( section(is,s) == -1 .AND. myidx == 0 ) ) THEN
1712	#if defined( __netcdf )
1713	!
1714	!-- For parallel output, all cross sections are first
1715	!-- stored here on a local array and will be written to the
1716	!-- output file afterwards to increase the performance.
1717	DO j = nysg, nyng
1718	DO k = nzb_do, nzt_do
1719	local_2d_sections_l(is,j,k) = local_2d(j,k)
1720	ENDDO
1721	ENDDO
1722	#endif
1723	ENDIF
1724
1725	ELSE
1726
1727	IF ( data_output_2d_on_each_pe ) THEN
1728	!
1729	!-- Output of partial arrays on each PE. If the cross
1730	!-- section does not reside on the PE, output special
1731	!-- index values.
1732	#if defined( __netcdf )
1733	IF ( myid == 0 ) THEN
1734	WRITE ( 23 ) time_since_reference_point, &
1735	do2d_yz_time_count(av), av
1736	ENDIF
1737	#endif
1738	DO i = 0, io_blocks-1
1739	IF ( i == io_group ) THEN
1740	IF ( ( section(is,s) >= nxl .AND. &
1741	section(is,s) <= nxr ) .OR. &
1742	( section(is,s) == -1 .AND. &
1743	nxl-1 == -1 ) ) &
1744	THEN
1745	WRITE (23) nysg, nyng, nzb_do, nzt_do, nzb, nzt+1
1746	WRITE (23) local_2d
1747	ELSE
1748	WRITE (23) -1, -1, -1, -1, -1, -1
1749	ENDIF
1750	ENDIF
1751	#if defined( __parallel )
1752	CALL MPI_BARRIER( comm2d, ierr )
1753	#endif
1754	ENDDO
1755
1756	ELSE
1757	!
1758	!-- PE0 receives partial arrays from all processors of the
1759	!-- respective cross section and outputs them. Here a
1760	!-- barrier has to be set, because otherwise
1761	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
1762	CALL MPI_BARRIER( comm2d, ierr )
1763
1764	ngp = ( nyng-nysg+1 ) * ( nzt_do-nzb_do+1 )
1765	IF ( myid == 0 ) THEN
1766	!
1767	!-- Local array can be relocated directly.
1768	IF ( ( section(is,s) >= nxl .AND. &
1769	section(is,s) <= nxr ) .OR. &
1770	( section(is,s) == -1 .AND. nxl-1 == -1 ) ) &
1771	THEN
1772	total_2d(nysg:nyng,nzb_do:nzt_do) = local_2d
1773	ENDIF
1774	!
1775	!-- Receive data from all other PEs.
1776	DO n = 1, numprocs-1
1777	!
1778	!-- Receive index limits first, then array.
1779	!-- Index limits are received in arbitrary order from
1780	!-- the PEs.
1781	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1782	MPI_ANY_SOURCE, 0, comm2d, &
1783	status, ierr )
1784	!
1785	!-- Not all PEs have data for YZ-cross-section.
1786	IF ( ind(1) /= -9999 ) THEN
1787	sender = status(MPI_SOURCE)
1788	DEALLOCATE( local_2d )
1789	ALLOCATE( local_2d(ind(1):ind(2), &
1790	ind(3):ind(4)) )
1791	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1792	MPI_REAL, sender, 1, comm2d, &
1793	status, ierr )
1794	total_2d(ind(1):ind(2),ind(3):ind(4)) = &
1795	local_2d
1796	ENDIF
1797	ENDDO
1798	!
1799	!-- Relocate the local array for the next loop increment
1800	DEALLOCATE( local_2d )
1801	ALLOCATE( local_2d(nysg:nyng,nzb_do:nzt_do) )
1802
1803	#if defined( __netcdf )
1804	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1805	id_var_do2d(av,if), &
1806	total_2d(0:ny+1,nzb_do:nzt_do),&
1807	start = (/ is, 1, 1, do2d_yz_time_count(av) /), &
1808	count = (/ 1, ny+2, nzt_do-nzb_do+1, 1 /) )
1809	CALL handle_netcdf_error( 'data_output_2d', 61 )
1810	#endif
1811
1812	ELSE
1813	!
1814	!-- If the cross section resides on the PE, send the
1815	!-- local index limits, otherwise send -9999 to PE0.
1816	IF ( ( section(is,s) >= nxl .AND. &
1817	section(is,s) <= nxr ) .OR. &
1818	( section(is,s) == -1 .AND. nxl-1 == -1 ) ) &
1819	THEN
1820	ind(1) = nysg; ind(2) = nyng
1821	ind(3) = nzb_do; ind(4) = nzt_do
1822	ELSE
1823	ind(1) = -9999; ind(2) = -9999
1824	ind(3) = -9999; ind(4) = -9999
1825	ENDIF
1826	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1827	comm2d, ierr )
1828	!
1829	!-- If applicable, send data to PE0.
1830	IF ( ind(1) /= -9999 ) THEN
1831	CALL MPI_SEND( local_2d(nysg,nzb_do), ngp, &
1832	MPI_REAL, 0, 1, comm2d, ierr )
1833	ENDIF
1834	ENDIF
1835	!
1836	!-- A barrier has to be set, because otherwise some PEs may
1837	!-- proceed too fast so that PE0 may receive wrong data on
1838	!-- tag 0
1839	CALL MPI_BARRIER( comm2d, ierr )
1840	ENDIF
1841
1842	ENDIF
1843	#else
1844	#if defined( __netcdf )
1845	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1846	id_var_do2d(av,if), &
1847	local_2d(nys:nyn+1,nzb_do:nzt_do), &
1848	start = (/ is, 1, 1, do2d_xz_time_count(av) /), &
1849	count = (/ 1, ny+2, nzt_do-nzb_do+1, 1 /) )
1850	CALL handle_netcdf_error( 'data_output_2d', 452 )
1851	#endif
1852	#endif
1853	do2d_yz_n = do2d_yz_n + 1
1854
1855	END SELECT
1856
1857	is = is + 1
1858	ENDDO loop1
1859
1860	!
1861	!-- For parallel output, all data were collected before on a local array
1862	!-- and are written now to the netcdf file. This must be done to increase
1863	!-- the performance of the parallel output.
1864	#if defined( __netcdf )
1865	IF ( netcdf_data_format > 4 ) THEN
1866
1867	SELECT CASE ( mode )
1868
1869	CASE ( 'xy' )
1870	IF ( two_d ) THEN
1871	iis = 1
1872	ELSE
1873	iis = is-1
1874	ENDIF
1875	!
1876	!-- Do not output redundant ghost point data except for the
1877	!-- boundaries of the total domain.
1878	IF ( nxr == nx .AND. nyn /= ny ) THEN
1879	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1880	id_var_do2d(av,if), &
1881	local_2d_sections(nxl:nxr+1, &
1882	nys:nyn,1:ns), &
1883	start = (/ nxl+1, nys+1, 1, &
1884	do2d_xy_time_count(av) /), &
1885	count = (/ nxr-nxl+2, &
1886	nyn-nys+1, ns, 1 &
1887	/) )
1888	ELSEIF ( nxr /= nx .AND. nyn == ny ) THEN
1889	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1890	id_var_do2d(av,if), &
1891	local_2d_sections(nxl:nxr, &
1892	nys:nyn+1,1:ns), &
1893	start = (/ nxl+1, nys+1, 1, &
1894	do2d_xy_time_count(av) /), &
1895	count = (/ nxr-nxl+1, &
1896	nyn-nys+2, ns, 1 &
1897	/) )
1898	ELSEIF ( nxr == nx .AND. nyn == ny ) THEN
1899	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1900	id_var_do2d(av,if), &
1901	local_2d_sections(nxl:nxr+1, &
1902	nys:nyn+1,1:ns), &
1903	start = (/ nxl+1, nys+1, 1, &
1904	do2d_xy_time_count(av) /), &
1905	count = (/ nxr-nxl+2, &
1906	nyn-nys+2, ns, 1 &
1907	/) )
1908	ELSE
1909	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1910	id_var_do2d(av,if), &
1911	local_2d_sections(nxl:nxr, &
1912	nys:nyn,1:ns), &
1913	start = (/ nxl+1, nys+1, 1, &
1914	do2d_xy_time_count(av) /), &
1915	count = (/ nxr-nxl+1, &
1916	nyn-nys+1, ns, 1 &
1917	/) )
1918	ENDIF
1919
1920	CALL handle_netcdf_error( 'data_output_2d', 55 )
1921
1922	CASE ( 'xz' )
1923	!
1924	!-- First, all PEs get the information of all cross-sections.
1925	!-- Then the data are written to the output file by all PEs
1926	!-- while NF90_COLLECTIVE is set in subroutine
1927	!-- define_netcdf_header. Although redundant information are
1928	!-- written to the output file in that case, the performance
1929	!-- is significantly better compared to the case where only
1930	!-- the first row of PEs in x-direction (myidx = 0) is given
1931	!-- the output while NF90_INDEPENDENT is set.
1932	IF ( npey /= 1 ) THEN
1933
1934	#if defined( __parallel )
1935	!
1936	!-- Distribute data over all PEs along y
1937	ngp = ( nxrg-nxlg+1 ) * ( nzt_do-nzb_do+1 ) * ns
1938	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1939	CALL MPI_ALLREDUCE( local_2d_sections_l(nxlg,1,nzb_do), &
1940	local_2d_sections(nxlg,1,nzb_do), &
1941	ngp, MPI_REAL, MPI_SUM, comm1dy, &
1942	ierr )
1943	#else
1944	local_2d_sections = local_2d_sections_l
1945	#endif
1946	ENDIF
1947	!
1948	!-- Do not output redundant ghost point data except for the
1949	!-- boundaries of the total domain.
1950	IF ( nxr == nx ) THEN
1951	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1952	id_var_do2d(av,if), &
1953	local_2d_sections(nxl:nxr+1,1:ns, &
1954	nzb_do:nzt_do), &
1955	start = (/ nxl+1, 1, 1, &
1956	do2d_xz_time_count(av) /), &
1957	count = (/ nxr-nxl+2, ns, nzt_do-nzb_do+1, &
1958	1 /) )
1959	ELSE
1960	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1961	id_var_do2d(av,if), &
1962	local_2d_sections(nxl:nxr,1:ns, &
1963	nzb_do:nzt_do), &
1964	start = (/ nxl+1, 1, 1, &
1965	do2d_xz_time_count(av) /), &
1966	count = (/ nxr-nxl+1, ns, nzt_do-nzb_do+1, &
1967	1 /) )
1968	ENDIF
1969
1970	CALL handle_netcdf_error( 'data_output_2d', 57 )
1971
1972	CASE ( 'yz' )
1973	!
1974	!-- First, all PEs get the information of all cross-sections.
1975	!-- Then the data are written to the output file by all PEs
1976	!-- while NF90_COLLECTIVE is set in subroutine
1977	!-- define_netcdf_header. Although redundant information are
1978	!-- written to the output file in that case, the performance
1979	!-- is significantly better compared to the case where only
1980	!-- the first row of PEs in y-direction (myidy = 0) is given
1981	!-- the output while NF90_INDEPENDENT is set.
1982	IF ( npex /= 1 ) THEN
1983
1984	#if defined( __parallel )
1985	!
1986	!-- Distribute data over all PEs along x
1987	ngp = ( nyng-nysg+1 ) * ( nzt-nzb + 2 ) * ns
1988	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1989	CALL MPI_ALLREDUCE( local_2d_sections_l(1,nysg,nzb_do), &
1990	local_2d_sections(1,nysg,nzb_do), &
1991	ngp, MPI_REAL, MPI_SUM, comm1dx, &
1992	ierr )
1993	#else
1994	local_2d_sections = local_2d_sections_l
1995	#endif
1996	ENDIF
1997	!
1998	!-- Do not output redundant ghost point data except for the
1999	!-- boundaries of the total domain.
2000	IF ( nyn == ny ) THEN
2001	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
2002	id_var_do2d(av,if), &
2003	local_2d_sections(1:ns, &
2004	nys:nyn+1,nzb_do:nzt_do), &
2005	start = (/ 1, nys+1, 1, &
2006	do2d_yz_time_count(av) /), &
2007	count = (/ ns, nyn-nys+2, &
2008	nzt_do-nzb_do+1, 1 /) )
2009	ELSE
2010	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
2011	id_var_do2d(av,if), &
2012	local_2d_sections(1:ns,nys:nyn, &
2013	nzb_do:nzt_do), &
2014	start = (/ 1, nys+1, 1, &
2015	do2d_yz_time_count(av) /), &
2016	count = (/ ns, nyn-nys+1, &
2017	nzt_do-nzb_do+1, 1 /) )
2018	ENDIF
2019
2020	CALL handle_netcdf_error( 'data_output_2d', 60 )
2021
2022	CASE DEFAULT
2023	message_string = 'unknown cross-section: ' // TRIM( mode )
2024	CALL message( 'data_output_2d', 'PA0180', 1, 2, 0, 6, 0 )
2025
2026	END SELECT
2027
2028	ENDIF
2029	#endif
2030	ENDIF
2031
2032	if = if + 1
2033	l = MAX( 2, LEN_TRIM( do2d(av,if) ) )
2034	do2d_mode = do2d(av,if)(l-1:l)
2035
2036	ENDDO
2037
2038	!
2039	!-- Deallocate temporary arrays.
2040	IF ( ALLOCATED( level_z ) ) DEALLOCATE( level_z )
2041	IF ( netcdf_data_format > 4 ) THEN
2042	DEALLOCATE( local_pf, local_2d, local_2d_sections )
2043	IF( mode == 'xz' .OR. mode == 'yz' ) DEALLOCATE( local_2d_sections_l )
2044	ENDIF
2045	#if defined( __parallel )
2046	IF ( .NOT. data_output_2d_on_each_pe .AND. myid == 0 ) THEN
2047	DEALLOCATE( total_2d )
2048	ENDIF
2049	#endif
2050
2051	!
2052	!-- Close plot output file.
2053	file_id = 20 + s
2054
2055	IF ( data_output_2d_on_each_pe ) THEN
2056	DO i = 0, io_blocks-1
2057	IF ( i == io_group ) THEN
2058	CALL close_file( file_id )
2059	ENDIF
2060	#if defined( __parallel )
2061	CALL MPI_BARRIER( comm2d, ierr )
2062	#endif
2063	ENDDO
2064	ELSE
2065	IF ( myid == 0 ) CALL close_file( file_id )
2066	ENDIF
2067
2068	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
2069
2070	END SUBROUTINE data_output_2d

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