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source: palm/trunk/SOURCE/data_output_2d.f90 @ 4449

Last change on this file since 4449 was 4444, checked in by raasch, 5 years ago
bugfix: cpp-directives for serial mode added
Property svn:keywords set to `Id`
File size: 88.8 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 1997-2020 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: data_output_2d.f90 4444 2020-03-05 15:59:50Z suehring $
27	! bugfix: cpp-directives for serial mode added
28	!
29	! 4442 2020-03-04 19:21:13Z suehring
30	! Change order of dimension in surface array %frac to allow for better
31	! vectorization.
32	!
33	! 4441 2020-03-04 19:20:35Z suehring
34	! Introduction of wall_flags_total_0, which currently sets bits based on static
35	! topography information used in wall_flags_static_0
36	!
37	! 4331 2019-12-10 18:25:02Z suehring
38	! Move 2-m potential temperature output to diagnostic_output_quantities
39	!
40	! 4329 2019-12-10 15:46:36Z motisi
41	! Renamed wall_flags_0 to wall_flags_static_0
42	!
43	! 4182 2019-08-22 15:20:23Z scharf
44	! Corrected "Former revisions" section
45	!
46	! 4048 2019-06-21 21:00:21Z knoop
47	! Removed turbulence_closure_mod dependency
48	!
49	! 4039 2019-06-18 10:32:41Z suehring
50	! modularize diagnostic output
51	!
52	! 3994 2019-05-22 18:08:09Z suehring
53	! output of turbulence intensity added
54	!
55	! 3987 2019-05-22 09:52:13Z kanani
56	! Introduce alternative switch for debug output during timestepping
57	!
58	! 3943 2019-05-02 09:50:41Z maronga
59	! Added output of qsws for green roofs.
60	!
61	! 3885 2019-04-11 11:29:34Z kanani
62	! Changes related to global restructuring of location messages and introduction
63	! of additional debug messages
64	!
65	! 3766 2019-02-26 16:23:41Z raasch
66	! unused variables removed
67	!
68	! 3655 2019-01-07 16:51:22Z knoop
69	! Bugfix: use time_since_reference_point instead of simulated_time (relevant
70	! when using wall/soil spinup)
71	!
72	! Revision 1.1 1997/08/11 06:24:09 raasch
73	! Initial revision
74	!
75	!
76	! Description:
77	! ------------
78	!> Data output of cross-sections in netCDF format or binary format
79	!> to be later converted to NetCDF by helper routine combine_plot_fields.
80	!> Attention: The position of the sectional planes is still not always computed
81	!> --------- correctly. (zu is used always)!
82	!------------------------------------------------------------------------------!
83	SUBROUTINE data_output_2d( mode, av )
84
85
86	USE arrays_3d, &
87	ONLY: dzw, d_exner, e, heatflux_output_conversion, p, pt, q, ql, ql_c, ql_v, s, tend, u, &
88	v, vpt, w, waterflux_output_conversion, zu, zw
89
90	USE averaging
91
92	USE basic_constants_and_equations_mod, &
93	ONLY: c_p, lv_d_cp, l_v
94
95	USE bulk_cloud_model_mod, &
96	ONLY: bulk_cloud_model
97
98	USE control_parameters, &
99	ONLY: data_output_2d_on_each_pe, &
100	data_output_xy, data_output_xz, data_output_yz, &
101	debug_output_timestep, &
102	do2d, &
103	do2d_xy_last_time, do2d_xy_time_count, &
104	do2d_xz_last_time, do2d_xz_time_count, &
105	do2d_yz_last_time, do2d_yz_time_count, &
106	ibc_uv_b, io_blocks, io_group, message_string, &
107	ntdim_2d_xy, ntdim_2d_xz, ntdim_2d_yz, &
108	psolver, section, &
109	time_since_reference_point
110
111	USE cpulog, &
112	ONLY: cpu_log, log_point
113
114	USE indices, &
115	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, ny, nyn, nyng, nys, nysg, &
116	nzb, nzt, wall_flags_total_0
117
118	USE kinds
119
120	USE land_surface_model_mod, &
121	ONLY: zs
122
123	USE module_interface, &
124	ONLY: module_interface_data_output_2d
125
126	#if defined( __netcdf )
127	USE NETCDF
128	#endif
129
130	USE netcdf_interface, &
131	ONLY: fill_value, id_set_xy, id_set_xz, id_set_yz, id_var_do2d, &
132	id_var_time_xy, id_var_time_xz, id_var_time_yz, nc_stat, &
133	netcdf_data_format, netcdf_handle_error
134
135	USE particle_attributes, &
136	ONLY: grid_particles, number_of_particles, particle_advection_start, &
137	particles, prt_count
138
139	USE pegrid
140
141	USE surface_mod, &
142	ONLY: ind_pav_green, ind_veg_wall, ind_wat_win, surf_def_h, &
143	surf_lsm_h, surf_usm_h
144
145
146	IMPLICIT NONE
147
148	CHARACTER (LEN=2) :: do2d_mode !< output mode of variable ('xy', 'xz', 'yz')
149	CHARACTER (LEN=2) :: mode !< mode with which the routine is called ('xy', 'xz', 'yz')
150	CHARACTER (LEN=4) :: grid !< string defining the vertical grid
151
152	INTEGER(iwp) :: av !< flag for (non-)average output
153	INTEGER(iwp) :: ngp !< number of grid points of an output slice
154	INTEGER(iwp) :: file_id !< id of output files
155	INTEGER(iwp) :: flag_nr !< number of masking flag
156	INTEGER(iwp) :: i !< loop index
157	INTEGER(iwp) :: is !< slice index
158	INTEGER(iwp) :: ivar !< variable index
159	INTEGER(iwp) :: j !< loop index
160	INTEGER(iwp) :: k !< loop index
161	INTEGER(iwp) :: l !< loop index
162	INTEGER(iwp) :: layer_xy !< vertical index of a xy slice in array 'local_pf'
163	INTEGER(iwp) :: m !< loop index
164	INTEGER(iwp) :: n !< loop index
165	INTEGER(iwp) :: nis !< number of vertical slices to be written via parallel NetCDF output
166	INTEGER(iwp) :: ns !< number of output slices
167	INTEGER(iwp) :: nzb_do !< lower limit of the data field (usually nzb)
168	INTEGER(iwp) :: nzt_do !< upper limit of the data field (usually nzt+1)
169	INTEGER(iwp) :: s_ind !< index of slice types (xy=1, xz=2, yz=3)
170	#if defined( __parallel )
171	INTEGER(iwp) :: iis !< vertical index of a xy slice in array 'local_2d_sections'
172	INTEGER(iwp) :: sender !< PE id of sending PE
173	INTEGER(iwp) :: ind(4) !< index limits (lower/upper bounds) of array 'local_2d'
174	#endif
175
176	LOGICAL :: found !< true if output variable was found
177	LOGICAL :: resorted !< true if variable is resorted
178	LOGICAL :: two_d !< true if variable is only two dimensional
179
180	REAL(wp) :: mean_r !< mean particle radius
181	REAL(wp) :: s_r2 !< sum( particle-radius**2 )
182	REAL(wp) :: s_r3 !< sum( particle-radius**3 )
183
184	REAL(wp), DIMENSION(:), ALLOCATABLE :: level_z !< z levels for output array
185	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: local_2d !< local 2-dimensional array containing output values
186	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: local_2d_l !< local 2-dimensional array containing output values
187
188	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !< output array
189	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_2d_sections !< local array containing values at all slices
190	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_2d_sections_l !< local array containing values at all slices
191
192	#if defined( __parallel )
193	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: total_2d !< same as local_2d
194	#endif
195	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !< points to array which shall be output
196
197
198	IF ( debug_output_timestep ) CALL debug_message( 'data_output_2d', 'start' )
199	!
200	!-- Immediate return, if no output is requested (no respective sections
201	!-- found in parameter data_output)
202	IF ( mode == 'xy' .AND. .NOT. data_output_xy(av) ) RETURN
203	IF ( mode == 'xz' .AND. .NOT. data_output_xz(av) ) RETURN
204	IF ( mode == 'yz' .AND. .NOT. data_output_yz(av) ) RETURN
205
206	CALL cpu_log (log_point(3),'data_output_2d','start')
207
208	two_d = .FALSE. ! local variable to distinguish between output of pure 2D
209	! arrays and cross-sections of 3D arrays.
210
211	!
212	!-- Depending on the orientation of the cross-section, the respective output
213	!-- files have to be opened.
214	SELECT CASE ( mode )
215
216	CASE ( 'xy' )
217	s_ind = 1
218	ALLOCATE( level_z(nzb:nzt+1), local_2d(nxl:nxr,nys:nyn) )
219
220	IF ( netcdf_data_format > 4 ) THEN
221	ns = 1
222	DO WHILE ( section(ns,s_ind) /= -9999 .AND. ns <= 100 )
223	ns = ns + 1
224	ENDDO
225	ns = ns - 1
226	ALLOCATE( local_2d_sections(nxl:nxr,nys:nyn,1:ns) )
227	local_2d_sections = 0.0_wp
228	ENDIF
229
230	!
231	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
232	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
233	CALL check_open( 101+av*10 )
234	ENDIF
235	IF ( data_output_2d_on_each_pe .AND. netcdf_data_format < 5 ) THEN
236	CALL check_open( 21 )
237	ELSE
238	IF ( myid == 0 ) THEN
239	#if defined( __parallel )
240	ALLOCATE( total_2d(0:nx,0:ny) )
241	#endif
242	ENDIF
243	ENDIF
244
245	CASE ( 'xz' )
246	s_ind = 2
247	ALLOCATE( local_2d(nxl:nxr,nzb:nzt+1) )
248
249	IF ( netcdf_data_format > 4 ) THEN
250	ns = 1
251	DO WHILE ( section(ns,s_ind) /= -9999 .AND. ns <= 100 )
252	ns = ns + 1
253	ENDDO
254	ns = ns - 1
255	ALLOCATE( local_2d_sections(nxl:nxr,1:ns,nzb:nzt+1) )
256	ALLOCATE( local_2d_sections_l(nxl:nxr,1:ns,nzb:nzt+1) )
257	local_2d_sections = 0.0_wp; local_2d_sections_l = 0.0_wp
258	ENDIF
259
260	!
261	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
262	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
263	CALL check_open( 102+av*10 )
264	ENDIF
265
266	IF ( data_output_2d_on_each_pe .AND. netcdf_data_format < 5 ) THEN
267	CALL check_open( 22 )
268	ELSE
269	IF ( myid == 0 ) THEN
270	#if defined( __parallel )
271	ALLOCATE( total_2d(0:nx,nzb:nzt+1) )
272	#endif
273	ENDIF
274	ENDIF
275
276	CASE ( 'yz' )
277	s_ind = 3
278	ALLOCATE( local_2d(nys:nyn,nzb:nzt+1) )
279
280	IF ( netcdf_data_format > 4 ) THEN
281	ns = 1
282	DO WHILE ( section(ns,s_ind) /= -9999 .AND. ns <= 100 )
283	ns = ns + 1
284	ENDDO
285	ns = ns - 1
286	ALLOCATE( local_2d_sections(1:ns,nys:nyn,nzb:nzt+1) )
287	ALLOCATE( local_2d_sections_l(1:ns,nys:nyn,nzb:nzt+1) )
288	local_2d_sections = 0.0_wp; local_2d_sections_l = 0.0_wp
289	ENDIF
290
291	!
292	!-- Parallel netCDF4/HDF5 output is done on all PEs, all other on PE0 only
293	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
294	CALL check_open( 103+av*10 )
295	ENDIF
296
297	IF ( data_output_2d_on_each_pe .AND. netcdf_data_format < 5 ) THEN
298	CALL check_open( 23 )
299	ELSE
300	IF ( myid == 0 ) THEN
301	#if defined( __parallel )
302	ALLOCATE( total_2d(0:ny,nzb:nzt+1) )
303	#endif
304	ENDIF
305	ENDIF
306
307	CASE DEFAULT
308	message_string = 'unknown cross-section: ' // TRIM( mode )
309	CALL message( 'data_output_2d', 'PA0180', 1, 2, 0, 6, 0 )
310
311	END SELECT
312
313	!
314	!-- For parallel netcdf output the time axis must be limited. Return, if this
315	!-- limit is exceeded. This could be the case, if the simulated time exceeds
316	!-- the given end time by the length of the given output interval.
317	IF ( netcdf_data_format > 4 ) THEN
318	IF ( mode == 'xy' .AND. do2d_xy_time_count(av) + 1 > &
319	ntdim_2d_xy(av) ) THEN
320	WRITE ( message_string, * ) 'Output of xy cross-sections is not ', &
321	'given at t=', time_since_reference_point, 's because the', &
322	' maximum number of output time levels is exceeded.'
323	CALL message( 'data_output_2d', 'PA0384', 0, 1, 0, 6, 0 )
324	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
325	RETURN
326	ENDIF
327	IF ( mode == 'xz' .AND. do2d_xz_time_count(av) + 1 > &
328	ntdim_2d_xz(av) ) THEN
329	WRITE ( message_string, * ) 'Output of xz cross-sections is not ', &
330	'given at t=', time_since_reference_point, 's because the', &
331	' maximum number of output time levels is exceeded.'
332	CALL message( 'data_output_2d', 'PA0385', 0, 1, 0, 6, 0 )
333	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
334	RETURN
335	ENDIF
336	IF ( mode == 'yz' .AND. do2d_yz_time_count(av) + 1 > &
337	ntdim_2d_yz(av) ) THEN
338	WRITE ( message_string, * ) 'Output of yz cross-sections is not ', &
339	'given at t=', time_since_reference_point, 's because the', &
340	' maximum number of output time levels is exceeded.'
341	CALL message( 'data_output_2d', 'PA0386', 0, 1, 0, 6, 0 )
342	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
343	RETURN
344	ENDIF
345	ENDIF
346
347	!
348	!-- Allocate a temporary array for resorting (kji -> ijk).
349	ALLOCATE( local_pf(nxl:nxr,nys:nyn,nzb:nzt+1) )
350	local_pf = 0.0
351
352	!
353	!-- Loop of all variables to be written.
354	!-- Output dimensions chosen
355	ivar = 1
356	l = MAX( 2, LEN_TRIM( do2d(av,ivar) ) )
357	do2d_mode = do2d(av,ivar)(l-1:l)
358
359	DO WHILE ( do2d(av,ivar)(1:1) /= ' ' )
360
361	IF ( do2d_mode == mode ) THEN
362	!
363	!-- Set flag to steer output of radiation, land-surface, or user-defined
364	!-- quantities
365	found = .FALSE.
366
367	nzb_do = nzb
368	nzt_do = nzt+1
369	!
370	!-- Before each output, set array local_pf to fill value
371	local_pf = fill_value
372	!
373	!-- Set masking flag for topography for not resorted arrays
374	flag_nr = 0
375
376	!
377	!-- Store the array chosen on the temporary array.
378	resorted = .FALSE.
379	SELECT CASE ( TRIM( do2d(av,ivar) ) )
380	CASE ( 'e_xy', 'e_xz', 'e_yz' )
381	IF ( av == 0 ) THEN
382	to_be_resorted => e
383	ELSE
384	IF ( .NOT. ALLOCATED( e_av ) ) THEN
385	ALLOCATE( e_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
386	e_av = REAL( fill_value, KIND = wp )
387	ENDIF
388	to_be_resorted => e_av
389	ENDIF
390	IF ( mode == 'xy' ) level_z = zu
391
392	CASE ( 'thetal_xy', 'thetal_xz', 'thetal_yz' )
393	IF ( av == 0 ) THEN
394	to_be_resorted => pt
395	ELSE
396	IF ( .NOT. ALLOCATED( lpt_av ) ) THEN
397	ALLOCATE( lpt_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
398	lpt_av = REAL( fill_value, KIND = wp )
399	ENDIF
400	to_be_resorted => lpt_av
401	ENDIF
402	IF ( mode == 'xy' ) level_z = zu
403
404	CASE ( 'lwp*_xy' ) ! 2d-array
405	IF ( av == 0 ) THEN
406	DO i = nxl, nxr
407	DO j = nys, nyn
408	local_pf(i,j,nzb+1) = SUM( ql(nzb:nzt,j,i) * &
409	dzw(1:nzt+1) )
410	ENDDO
411	ENDDO
412	ELSE
413	IF ( .NOT. ALLOCATED( lwp_av ) ) THEN
414	ALLOCATE( lwp_av(nysg:nyng,nxlg:nxrg) )
415	lwp_av = REAL( fill_value, KIND = wp )
416	ENDIF
417	DO i = nxl, nxr
418	DO j = nys, nyn
419	local_pf(i,j,nzb+1) = lwp_av(j,i)
420	ENDDO
421	ENDDO
422	ENDIF
423	resorted = .TRUE.
424	two_d = .TRUE.
425	level_z(nzb+1) = zu(nzb+1)
426
427	CASE ( 'ghf*_xy' ) ! 2d-array
428	IF ( av == 0 ) THEN
429	DO m = 1, surf_lsm_h%ns
430	i = surf_lsm_h%i(m)
431	j = surf_lsm_h%j(m)
432	local_pf(i,j,nzb+1) = surf_lsm_h%ghf(m)
433	ENDDO
434	DO m = 1, surf_usm_h%ns
435	i = surf_usm_h%i(m)
436	j = surf_usm_h%j(m)
437	local_pf(i,j,nzb+1) = surf_usm_h%frac(m,ind_veg_wall) * &
438	surf_usm_h%wghf_eb(m) + &
439	surf_usm_h%frac(m,ind_pav_green) * &
440	surf_usm_h%wghf_eb_green(m) + &
441	surf_usm_h%frac(m,ind_wat_win) * &
442	surf_usm_h%wghf_eb_window(m)
443	ENDDO
444	ELSE
445	IF ( .NOT. ALLOCATED( ghf_av ) ) THEN
446	ALLOCATE( ghf_av(nysg:nyng,nxlg:nxrg) )
447	ghf_av = REAL( fill_value, KIND = wp )
448	ENDIF
449	DO i = nxl, nxr
450	DO j = nys, nyn
451	local_pf(i,j,nzb+1) = ghf_av(j,i)
452	ENDDO
453	ENDDO
454	ENDIF
455
456	resorted = .TRUE.
457	two_d = .TRUE.
458	level_z(nzb+1) = zu(nzb+1)
459
460	CASE ( 'ol*_xy' ) ! 2d-array
461	IF ( av == 0 ) THEN
462	DO m = 1, surf_def_h(0)%ns
463	i = surf_def_h(0)%i(m)
464	j = surf_def_h(0)%j(m)
465	local_pf(i,j,nzb+1) = surf_def_h(0)%ol(m)
466	ENDDO
467	DO m = 1, surf_lsm_h%ns
468	i = surf_lsm_h%i(m)
469	j = surf_lsm_h%j(m)
470	local_pf(i,j,nzb+1) = surf_lsm_h%ol(m)
471	ENDDO
472	DO m = 1, surf_usm_h%ns
473	i = surf_usm_h%i(m)
474	j = surf_usm_h%j(m)
475	local_pf(i,j,nzb+1) = surf_usm_h%ol(m)
476	ENDDO
477	ELSE
478	IF ( .NOT. ALLOCATED( ol_av ) ) THEN
479	ALLOCATE( ol_av(nysg:nyng,nxlg:nxrg) )
480	ol_av = REAL( fill_value, KIND = wp )
481	ENDIF
482	DO i = nxl, nxr
483	DO j = nys, nyn
484	local_pf(i,j,nzb+1) = ol_av(j,i)
485	ENDDO
486	ENDDO
487	ENDIF
488	resorted = .TRUE.
489	two_d = .TRUE.
490	level_z(nzb+1) = zu(nzb+1)
491
492	CASE ( 'p_xy', 'p_xz', 'p_yz' )
493	IF ( av == 0 ) THEN
494	IF ( psolver /= 'sor' ) CALL exchange_horiz( p, nbgp )
495	to_be_resorted => p
496	ELSE
497	IF ( .NOT. ALLOCATED( p_av ) ) THEN
498	ALLOCATE( p_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
499	p_av = REAL( fill_value, KIND = wp )
500	ENDIF
501	IF ( psolver /= 'sor' ) CALL exchange_horiz( p_av, nbgp )
502	to_be_resorted => p_av
503	ENDIF
504	IF ( mode == 'xy' ) level_z = zu
505
506	CASE ( 'pc_xy', 'pc_xz', 'pc_yz' ) ! particle concentration
507	IF ( av == 0 ) THEN
508	IF ( time_since_reference_point >= particle_advection_start ) THEN
509	tend = prt_count
510	! CALL exchange_horiz( tend, nbgp )
511	ELSE
512	tend = 0.0_wp
513	ENDIF
514	DO i = nxl, nxr
515	DO j = nys, nyn
516	DO k = nzb, nzt+1
517	local_pf(i,j,k) = tend(k,j,i)
518	ENDDO
519	ENDDO
520	ENDDO
521	resorted = .TRUE.
522	ELSE
523	IF ( .NOT. ALLOCATED( pc_av ) ) THEN
524	ALLOCATE( pc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
525	pc_av = REAL( fill_value, KIND = wp )
526	ENDIF
527	! CALL exchange_horiz( pc_av, nbgp )
528	to_be_resorted => pc_av
529	ENDIF
530
531	CASE ( 'pr_xy', 'pr_xz', 'pr_yz' ) ! mean particle radius (effective radius)
532	IF ( av == 0 ) THEN
533	IF ( time_since_reference_point >= particle_advection_start ) THEN
534	DO i = nxl, nxr
535	DO j = nys, nyn
536	DO k = nzb, nzt+1
537	number_of_particles = prt_count(k,j,i)
538	IF (number_of_particles <= 0) CYCLE
539	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
540	s_r2 = 0.0_wp
541	s_r3 = 0.0_wp
542	DO n = 1, number_of_particles
543	IF ( particles(n)%particle_mask ) THEN
544	s_r2 = s_r2 + particles(n)%radius*2 &
545	particles(n)%weight_factor
546	s_r3 = s_r3 + particles(n)%radius*3 &
547	particles(n)%weight_factor
548	ENDIF
549	ENDDO
550	IF ( s_r2 > 0.0_wp ) THEN
551	mean_r = s_r3 / s_r2
552	ELSE
553	mean_r = 0.0_wp
554	ENDIF
555	tend(k,j,i) = mean_r
556	ENDDO
557	ENDDO
558	ENDDO
559	! CALL exchange_horiz( tend, nbgp )
560	ELSE
561	tend = 0.0_wp
562	ENDIF
563	DO i = nxl, nxr
564	DO j = nys, nyn
565	DO k = nzb, nzt+1
566	local_pf(i,j,k) = tend(k,j,i)
567	ENDDO
568	ENDDO
569	ENDDO
570	resorted = .TRUE.
571	ELSE
572	IF ( .NOT. ALLOCATED( pr_av ) ) THEN
573	ALLOCATE( pr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
574	pr_av = REAL( fill_value, KIND = wp )
575	ENDIF
576	! CALL exchange_horiz( pr_av, nbgp )
577	to_be_resorted => pr_av
578	ENDIF
579
580	CASE ( 'theta_xy', 'theta_xz', 'theta_yz' )
581	IF ( av == 0 ) THEN
582	IF ( .NOT. bulk_cloud_model ) THEN
583	to_be_resorted => pt
584	ELSE
585	DO i = nxl, nxr
586	DO j = nys, nyn
587	DO k = nzb, nzt+1
588	local_pf(i,j,k) = pt(k,j,i) + lv_d_cp * &
589	d_exner(k) * &
590	ql(k,j,i)
591	ENDDO
592	ENDDO
593	ENDDO
594	resorted = .TRUE.
595	ENDIF
596	ELSE
597	IF ( .NOT. ALLOCATED( pt_av ) ) THEN
598	ALLOCATE( pt_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
599	pt_av = REAL( fill_value, KIND = wp )
600	ENDIF
601	to_be_resorted => pt_av
602	ENDIF
603	IF ( mode == 'xy' ) level_z = zu
604
605	CASE ( 'q_xy', 'q_xz', 'q_yz' )
606	IF ( av == 0 ) THEN
607	to_be_resorted => q
608	ELSE
609	IF ( .NOT. ALLOCATED( q_av ) ) THEN
610	ALLOCATE( q_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
611	q_av = REAL( fill_value, KIND = wp )
612	ENDIF
613	to_be_resorted => q_av
614	ENDIF
615	IF ( mode == 'xy' ) level_z = zu
616
617	CASE ( 'ql_xy', 'ql_xz', 'ql_yz' )
618	IF ( av == 0 ) THEN
619	to_be_resorted => ql
620	ELSE
621	IF ( .NOT. ALLOCATED( ql_av ) ) THEN
622	ALLOCATE( ql_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
623	ql_av = REAL( fill_value, KIND = wp )
624	ENDIF
625	to_be_resorted => ql_av
626	ENDIF
627	IF ( mode == 'xy' ) level_z = zu
628
629	CASE ( 'ql_c_xy', 'ql_c_xz', 'ql_c_yz' )
630	IF ( av == 0 ) THEN
631	to_be_resorted => ql_c
632	ELSE
633	IF ( .NOT. ALLOCATED( ql_c_av ) ) THEN
634	ALLOCATE( ql_c_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
635	ql_c_av = REAL( fill_value, KIND = wp )
636	ENDIF
637	to_be_resorted => ql_c_av
638	ENDIF
639	IF ( mode == 'xy' ) level_z = zu
640
641	CASE ( 'ql_v_xy', 'ql_v_xz', 'ql_v_yz' )
642	IF ( av == 0 ) THEN
643	to_be_resorted => ql_v
644	ELSE
645	IF ( .NOT. ALLOCATED( ql_v_av ) ) THEN
646	ALLOCATE( ql_v_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
647	ql_v_av = REAL( fill_value, KIND = wp )
648	ENDIF
649	to_be_resorted => ql_v_av
650	ENDIF
651	IF ( mode == 'xy' ) level_z = zu
652
653	CASE ( 'ql_vp_xy', 'ql_vp_xz', 'ql_vp_yz' )
654	IF ( av == 0 ) THEN
655	IF ( time_since_reference_point >= particle_advection_start ) THEN
656	DO i = nxl, nxr
657	DO j = nys, nyn
658	DO k = nzb, nzt+1
659	number_of_particles = prt_count(k,j,i)
660	IF (number_of_particles <= 0) CYCLE
661	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
662	DO n = 1, number_of_particles
663	IF ( particles(n)%particle_mask ) THEN
664	tend(k,j,i) = tend(k,j,i) + &
665	particles(n)%weight_factor / &
666	prt_count(k,j,i)
667	ENDIF
668	ENDDO
669	ENDDO
670	ENDDO
671	ENDDO
672	! CALL exchange_horiz( tend, nbgp )
673	ELSE
674	tend = 0.0_wp
675	ENDIF
676	DO i = nxl, nxr
677	DO j = nys, nyn
678	DO k = nzb, nzt+1
679	local_pf(i,j,k) = tend(k,j,i)
680	ENDDO
681	ENDDO
682	ENDDO
683	resorted = .TRUE.
684	ELSE
685	IF ( .NOT. ALLOCATED( ql_vp_av ) ) THEN
686	ALLOCATE( ql_vp_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
687	ql_vp_av = REAL( fill_value, KIND = wp )
688	ENDIF
689	! CALL exchange_horiz( ql_vp_av, nbgp )
690	to_be_resorted => ql_vp_av
691	ENDIF
692	IF ( mode == 'xy' ) level_z = zu
693
694	CASE ( 'qsws*_xy' ) ! 2d-array
695	IF ( av == 0 ) THEN
696	local_pf(:,:,nzb+1) = REAL( fill_value, KIND = wp )
697	!
698	!-- In case of default surfaces, clean-up flux by density.
699	!-- In case of land-surfaces, convert fluxes into
700	!-- dynamic units
701	DO m = 1, surf_def_h(0)%ns
702	i = surf_def_h(0)%i(m)
703	j = surf_def_h(0)%j(m)
704	k = surf_def_h(0)%k(m)
705	local_pf(i,j,nzb+1) = surf_def_h(0)%qsws(m) * &
706	waterflux_output_conversion(k)
707	ENDDO
708	DO m = 1, surf_lsm_h%ns
709	i = surf_lsm_h%i(m)
710	j = surf_lsm_h%j(m)
711	k = surf_lsm_h%k(m)
712	local_pf(i,j,nzb+1) = surf_lsm_h%qsws(m) * l_v
713	ENDDO
714	DO m = 1, surf_usm_h%ns
715	i = surf_usm_h%i(m)
716	j = surf_usm_h%j(m)
717	k = surf_usm_h%k(m)
718	local_pf(i,j,nzb+1) = surf_usm_h%qsws(m) * l_v
719	ENDDO
720	ELSE
721	IF ( .NOT. ALLOCATED( qsws_av ) ) THEN
722	ALLOCATE( qsws_av(nysg:nyng,nxlg:nxrg) )
723	qsws_av = REAL( fill_value, KIND = wp )
724	ENDIF
725	DO i = nxl, nxr
726	DO j = nys, nyn
727	local_pf(i,j,nzb+1) = qsws_av(j,i)
728	ENDDO
729	ENDDO
730	ENDIF
731	resorted = .TRUE.
732	two_d = .TRUE.
733	level_z(nzb+1) = zu(nzb+1)
734
735	CASE ( 'qv_xy', 'qv_xz', 'qv_yz' )
736	IF ( av == 0 ) THEN
737	DO i = nxl, nxr
738	DO j = nys, nyn
739	DO k = nzb, nzt+1
740	local_pf(i,j,k) = q(k,j,i) - ql(k,j,i)
741	ENDDO
742	ENDDO
743	ENDDO
744	resorted = .TRUE.
745	ELSE
746	IF ( .NOT. ALLOCATED( qv_av ) ) THEN
747	ALLOCATE( qv_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
748	qv_av = REAL( fill_value, KIND = wp )
749	ENDIF
750	to_be_resorted => qv_av
751	ENDIF
752	IF ( mode == 'xy' ) level_z = zu
753
754	CASE ( 'r_a*_xy' ) ! 2d-array
755	IF ( av == 0 ) THEN
756	DO m = 1, surf_lsm_h%ns
757	i = surf_lsm_h%i(m)
758	j = surf_lsm_h%j(m)
759	local_pf(i,j,nzb+1) = surf_lsm_h%r_a(m)
760	ENDDO
761
762	DO m = 1, surf_usm_h%ns
763	i = surf_usm_h%i(m)
764	j = surf_usm_h%j(m)
765	local_pf(i,j,nzb+1) = &
766	( surf_usm_h%frac(m,ind_veg_wall) * &
767	surf_usm_h%r_a(m) + &
768	surf_usm_h%frac(m,ind_pav_green) * &
769	surf_usm_h%r_a_green(m) + &
770	surf_usm_h%frac(m,ind_wat_win) * &
771	surf_usm_h%r_a_window(m) )
772	ENDDO
773	ELSE
774	IF ( .NOT. ALLOCATED( r_a_av ) ) THEN
775	ALLOCATE( r_a_av(nysg:nyng,nxlg:nxrg) )
776	r_a_av = REAL( fill_value, KIND = wp )
777	ENDIF
778	DO i = nxl, nxr
779	DO j = nys, nyn
780	local_pf(i,j,nzb+1) = r_a_av(j,i)
781	ENDDO
782	ENDDO
783	ENDIF
784	resorted = .TRUE.
785	two_d = .TRUE.
786	level_z(nzb+1) = zu(nzb+1)
787
788	CASE ( 's_xy', 's_xz', 's_yz' )
789	IF ( av == 0 ) THEN
790	to_be_resorted => s
791	ELSE
792	IF ( .NOT. ALLOCATED( s_av ) ) THEN
793	ALLOCATE( s_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
794	s_av = REAL( fill_value, KIND = wp )
795	ENDIF
796	to_be_resorted => s_av
797	ENDIF
798
799	CASE ( 'shf*_xy' ) ! 2d-array
800	IF ( av == 0 ) THEN
801	!
802	!-- In case of default surfaces, clean-up flux by density.
803	!-- In case of land- and urban-surfaces, convert fluxes into
804	!-- dynamic units.
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	k = surf_def_h(0)%k(m)
809	local_pf(i,j,nzb+1) = surf_def_h(0)%shf(m) * &
810	heatflux_output_conversion(k)
811	ENDDO
812	DO m = 1, surf_lsm_h%ns
813	i = surf_lsm_h%i(m)
814	j = surf_lsm_h%j(m)
815	k = surf_lsm_h%k(m)
816	local_pf(i,j,nzb+1) = surf_lsm_h%shf(m) * c_p
817	ENDDO
818	DO m = 1, surf_usm_h%ns
819	i = surf_usm_h%i(m)
820	j = surf_usm_h%j(m)
821	k = surf_usm_h%k(m)
822	local_pf(i,j,nzb+1) = surf_usm_h%shf(m) * c_p
823	ENDDO
824	ELSE
825	IF ( .NOT. ALLOCATED( shf_av ) ) THEN
826	ALLOCATE( shf_av(nysg:nyng,nxlg:nxrg) )
827	shf_av = REAL( fill_value, KIND = wp )
828	ENDIF
829	DO i = nxl, nxr
830	DO j = nys, nyn
831	local_pf(i,j,nzb+1) = shf_av(j,i)
832	ENDDO
833	ENDDO
834	ENDIF
835	resorted = .TRUE.
836	two_d = .TRUE.
837	level_z(nzb+1) = zu(nzb+1)
838
839	CASE ( 'ssws*_xy' ) ! 2d-array
840	IF ( av == 0 ) THEN
841	DO m = 1, surf_def_h(0)%ns
842	i = surf_def_h(0)%i(m)
843	j = surf_def_h(0)%j(m)
844	local_pf(i,j,nzb+1) = surf_def_h(0)%ssws(m)
845	ENDDO
846	DO m = 1, surf_lsm_h%ns
847	i = surf_lsm_h%i(m)
848	j = surf_lsm_h%j(m)
849	local_pf(i,j,nzb+1) = surf_lsm_h%ssws(m)
850	ENDDO
851	DO m = 1, surf_usm_h%ns
852	i = surf_usm_h%i(m)
853	j = surf_usm_h%j(m)
854	local_pf(i,j,nzb+1) = surf_usm_h%ssws(m)
855	ENDDO
856	ELSE
857	IF ( .NOT. ALLOCATED( ssws_av ) ) THEN
858	ALLOCATE( ssws_av(nysg:nyng,nxlg:nxrg) )
859	ssws_av = REAL( fill_value, KIND = wp )
860	ENDIF
861	DO i = nxl, nxr
862	DO j = nys, nyn
863	local_pf(i,j,nzb+1) = ssws_av(j,i)
864	ENDDO
865	ENDDO
866	ENDIF
867	resorted = .TRUE.
868	two_d = .TRUE.
869	level_z(nzb+1) = zu(nzb+1)
870
871	CASE ( 't*_xy' ) ! 2d-array
872	IF ( av == 0 ) THEN
873	DO m = 1, surf_def_h(0)%ns
874	i = surf_def_h(0)%i(m)
875	j = surf_def_h(0)%j(m)
876	local_pf(i,j,nzb+1) = surf_def_h(0)%ts(m)
877	ENDDO
878	DO m = 1, surf_lsm_h%ns
879	i = surf_lsm_h%i(m)
880	j = surf_lsm_h%j(m)
881	local_pf(i,j,nzb+1) = surf_lsm_h%ts(m)
882	ENDDO
883	DO m = 1, surf_usm_h%ns
884	i = surf_usm_h%i(m)
885	j = surf_usm_h%j(m)
886	local_pf(i,j,nzb+1) = surf_usm_h%ts(m)
887	ENDDO
888	ELSE
889	IF ( .NOT. ALLOCATED( ts_av ) ) THEN
890	ALLOCATE( ts_av(nysg:nyng,nxlg:nxrg) )
891	ts_av = REAL( fill_value, KIND = wp )
892	ENDIF
893	DO i = nxl, nxr
894	DO j = nys, nyn
895	local_pf(i,j,nzb+1) = ts_av(j,i)
896	ENDDO
897	ENDDO
898	ENDIF
899	resorted = .TRUE.
900	two_d = .TRUE.
901	level_z(nzb+1) = zu(nzb+1)
902
903	CASE ( 'tsurf*_xy' ) ! 2d-array
904	IF ( av == 0 ) THEN
905	DO m = 1, surf_def_h(0)%ns
906	i = surf_def_h(0)%i(m)
907	j = surf_def_h(0)%j(m)
908	local_pf(i,j,nzb+1) = surf_def_h(0)%pt_surface(m)
909	ENDDO
910
911	DO m = 1, surf_lsm_h%ns
912	i = surf_lsm_h%i(m)
913	j = surf_lsm_h%j(m)
914	local_pf(i,j,nzb+1) = surf_lsm_h%pt_surface(m)
915	ENDDO
916
917	DO m = 1, surf_usm_h%ns
918	i = surf_usm_h%i(m)
919	j = surf_usm_h%j(m)
920	local_pf(i,j,nzb+1) = surf_usm_h%pt_surface(m)
921	ENDDO
922
923	ELSE
924	IF ( .NOT. ALLOCATED( tsurf_av ) ) THEN
925	ALLOCATE( tsurf_av(nysg:nyng,nxlg:nxrg) )
926	tsurf_av = REAL( fill_value, KIND = wp )
927	ENDIF
928	DO i = nxl, nxr
929	DO j = nys, nyn
930	local_pf(i,j,nzb+1) = tsurf_av(j,i)
931	ENDDO
932	ENDDO
933	ENDIF
934	resorted = .TRUE.
935	two_d = .TRUE.
936	level_z(nzb+1) = zu(nzb+1)
937
938	CASE ( 'u_xy', 'u_xz', 'u_yz' )
939	flag_nr = 1
940	IF ( av == 0 ) THEN
941	to_be_resorted => u
942	ELSE
943	IF ( .NOT. ALLOCATED( u_av ) ) THEN
944	ALLOCATE( u_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
945	u_av = REAL( fill_value, KIND = wp )
946	ENDIF
947	to_be_resorted => u_av
948	ENDIF
949	IF ( mode == 'xy' ) level_z = zu
950	!
951	!-- Substitute the values generated by "mirror" boundary condition
952	!-- at the bottom boundary by the real surface values.
953	IF ( do2d(av,ivar) == 'u_xz' .OR. do2d(av,ivar) == 'u_yz' ) THEN
954	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
955	ENDIF
956
957	CASE ( 'us*_xy' ) ! 2d-array
958	IF ( av == 0 ) THEN
959	DO m = 1, surf_def_h(0)%ns
960	i = surf_def_h(0)%i(m)
961	j = surf_def_h(0)%j(m)
962	local_pf(i,j,nzb+1) = surf_def_h(0)%us(m)
963	ENDDO
964	DO m = 1, surf_lsm_h%ns
965	i = surf_lsm_h%i(m)
966	j = surf_lsm_h%j(m)
967	local_pf(i,j,nzb+1) = surf_lsm_h%us(m)
968	ENDDO
969	DO m = 1, surf_usm_h%ns
970	i = surf_usm_h%i(m)
971	j = surf_usm_h%j(m)
972	local_pf(i,j,nzb+1) = surf_usm_h%us(m)
973	ENDDO
974	ELSE
975	IF ( .NOT. ALLOCATED( us_av ) ) THEN
976	ALLOCATE( us_av(nysg:nyng,nxlg:nxrg) )
977	us_av = REAL( fill_value, KIND = wp )
978	ENDIF
979	DO i = nxl, nxr
980	DO j = nys, nyn
981	local_pf(i,j,nzb+1) = us_av(j,i)
982	ENDDO
983	ENDDO
984	ENDIF
985	resorted = .TRUE.
986	two_d = .TRUE.
987	level_z(nzb+1) = zu(nzb+1)
988
989	CASE ( 'v_xy', 'v_xz', 'v_yz' )
990	flag_nr = 2
991	IF ( av == 0 ) THEN
992	to_be_resorted => v
993	ELSE
994	IF ( .NOT. ALLOCATED( v_av ) ) THEN
995	ALLOCATE( v_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
996	v_av = REAL( fill_value, KIND = wp )
997	ENDIF
998	to_be_resorted => v_av
999	ENDIF
1000	IF ( mode == 'xy' ) level_z = zu
1001	!
1002	!-- Substitute the values generated by "mirror" boundary condition
1003	!-- at the bottom boundary by the real surface values.
1004	IF ( do2d(av,ivar) == 'v_xz' .OR. do2d(av,ivar) == 'v_yz' ) THEN
1005	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
1006	ENDIF
1007
1008	CASE ( 'thetav_xy', 'thetav_xz', 'thetav_yz' )
1009	IF ( av == 0 ) THEN
1010	to_be_resorted => vpt
1011	ELSE
1012	IF ( .NOT. ALLOCATED( vpt_av ) ) THEN
1013	ALLOCATE( vpt_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
1014	vpt_av = REAL( fill_value, KIND = wp )
1015	ENDIF
1016	to_be_resorted => vpt_av
1017	ENDIF
1018	IF ( mode == 'xy' ) level_z = zu
1019
1020	CASE ( 'w_xy', 'w_xz', 'w_yz' )
1021	flag_nr = 3
1022	IF ( av == 0 ) THEN
1023	to_be_resorted => w
1024	ELSE
1025	IF ( .NOT. ALLOCATED( w_av ) ) THEN
1026	ALLOCATE( w_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
1027	w_av = REAL( fill_value, KIND = wp )
1028	ENDIF
1029	to_be_resorted => w_av
1030	ENDIF
1031	IF ( mode == 'xy' ) level_z = zw
1032
1033	CASE ( 'z0*_xy' ) ! 2d-array
1034	IF ( av == 0 ) THEN
1035	DO m = 1, surf_def_h(0)%ns
1036	i = surf_def_h(0)%i(m)
1037	j = surf_def_h(0)%j(m)
1038	local_pf(i,j,nzb+1) = surf_def_h(0)%z0(m)
1039	ENDDO
1040	DO m = 1, surf_lsm_h%ns
1041	i = surf_lsm_h%i(m)
1042	j = surf_lsm_h%j(m)
1043	local_pf(i,j,nzb+1) = surf_lsm_h%z0(m)
1044	ENDDO
1045	DO m = 1, surf_usm_h%ns
1046	i = surf_usm_h%i(m)
1047	j = surf_usm_h%j(m)
1048	local_pf(i,j,nzb+1) = surf_usm_h%z0(m)
1049	ENDDO
1050	ELSE
1051	IF ( .NOT. ALLOCATED( z0_av ) ) THEN
1052	ALLOCATE( z0_av(nysg:nyng,nxlg:nxrg) )
1053	z0_av = REAL( fill_value, KIND = wp )
1054	ENDIF
1055	DO i = nxl, nxr
1056	DO j = nys, nyn
1057	local_pf(i,j,nzb+1) = z0_av(j,i)
1058	ENDDO
1059	ENDDO
1060	ENDIF
1061	resorted = .TRUE.
1062	two_d = .TRUE.
1063	level_z(nzb+1) = zu(nzb+1)
1064
1065	CASE ( 'z0h*_xy' ) ! 2d-array
1066	IF ( av == 0 ) THEN
1067	DO m = 1, surf_def_h(0)%ns
1068	i = surf_def_h(0)%i(m)
1069	j = surf_def_h(0)%j(m)
1070	local_pf(i,j,nzb+1) = surf_def_h(0)%z0h(m)
1071	ENDDO
1072	DO m = 1, surf_lsm_h%ns
1073	i = surf_lsm_h%i(m)
1074	j = surf_lsm_h%j(m)
1075	local_pf(i,j,nzb+1) = surf_lsm_h%z0h(m)
1076	ENDDO
1077	DO m = 1, surf_usm_h%ns
1078	i = surf_usm_h%i(m)
1079	j = surf_usm_h%j(m)
1080	local_pf(i,j,nzb+1) = surf_usm_h%z0h(m)
1081	ENDDO
1082	ELSE
1083	IF ( .NOT. ALLOCATED( z0h_av ) ) THEN
1084	ALLOCATE( z0h_av(nysg:nyng,nxlg:nxrg) )
1085	z0h_av = REAL( fill_value, KIND = wp )
1086	ENDIF
1087	DO i = nxl, nxr
1088	DO j = nys, nyn
1089	local_pf(i,j,nzb+1) = z0h_av(j,i)
1090	ENDDO
1091	ENDDO
1092	ENDIF
1093	resorted = .TRUE.
1094	two_d = .TRUE.
1095	level_z(nzb+1) = zu(nzb+1)
1096
1097	CASE ( 'z0q*_xy' ) ! 2d-array
1098	IF ( av == 0 ) THEN
1099	DO m = 1, surf_def_h(0)%ns
1100	i = surf_def_h(0)%i(m)
1101	j = surf_def_h(0)%j(m)
1102	local_pf(i,j,nzb+1) = surf_def_h(0)%z0q(m)
1103	ENDDO
1104	DO m = 1, surf_lsm_h%ns
1105	i = surf_lsm_h%i(m)
1106	j = surf_lsm_h%j(m)
1107	local_pf(i,j,nzb+1) = surf_lsm_h%z0q(m)
1108	ENDDO
1109	DO m = 1, surf_usm_h%ns
1110	i = surf_usm_h%i(m)
1111	j = surf_usm_h%j(m)
1112	local_pf(i,j,nzb+1) = surf_usm_h%z0q(m)
1113	ENDDO
1114	ELSE
1115	IF ( .NOT. ALLOCATED( z0q_av ) ) THEN
1116	ALLOCATE( z0q_av(nysg:nyng,nxlg:nxrg) )
1117	z0q_av = REAL( fill_value, KIND = wp )
1118	ENDIF
1119	DO i = nxl, nxr
1120	DO j = nys, nyn
1121	local_pf(i,j,nzb+1) = z0q_av(j,i)
1122	ENDDO
1123	ENDDO
1124	ENDIF
1125	resorted = .TRUE.
1126	two_d = .TRUE.
1127	level_z(nzb+1) = zu(nzb+1)
1128
1129	CASE DEFAULT
1130
1131	!
1132	!-- Quantities of other modules
1133	IF ( .NOT. found ) THEN
1134	CALL module_interface_data_output_2d( &
1135	av, do2d(av,ivar), found, grid, mode, &
1136	local_pf, two_d, nzb_do, nzt_do, &
1137	fill_value &
1138	)
1139	ENDIF
1140
1141	resorted = .TRUE.
1142
1143	IF ( grid == 'zu' ) THEN
1144	IF ( mode == 'xy' ) level_z = zu
1145	ELSEIF ( grid == 'zw' ) THEN
1146	IF ( mode == 'xy' ) level_z = zw
1147	ELSEIF ( grid == 'zu1' ) THEN
1148	IF ( mode == 'xy' ) level_z(nzb+1) = zu(nzb+1)
1149	ELSEIF ( grid == 'zs' ) THEN
1150	IF ( mode == 'xy' ) level_z = zs
1151	ENDIF
1152
1153	IF ( .NOT. found ) THEN
1154	message_string = 'no output provided for: ' // &
1155	TRIM( do2d(av,ivar) )
1156	CALL message( 'data_output_2d', 'PA0181', 0, 0, 0, 6, 0 )
1157	ENDIF
1158
1159	END SELECT
1160
1161	!
1162	!-- Resort the array to be output, if not done above. Flag topography
1163	!-- grid points with fill values, using the corresponding maksing flag.
1164	IF ( .NOT. resorted ) THEN
1165	DO i = nxl, nxr
1166	DO j = nys, nyn
1167	DO k = nzb_do, nzt_do
1168	local_pf(i,j,k) = MERGE( to_be_resorted(k,j,i), &
1169	REAL( fill_value, KIND = wp ), &
1170	BTEST( wall_flags_total_0(k,j,i), &
1171	flag_nr ) )
1172	ENDDO
1173	ENDDO
1174	ENDDO
1175	ENDIF
1176
1177	!
1178	!-- Output of the individual cross-sections, depending on the cross-
1179	!-- section mode chosen.
1180	is = 1
1181	loop1: DO WHILE ( section(is,s_ind) /= -9999 .OR. two_d )
1182
1183	SELECT CASE ( mode )
1184
1185	CASE ( 'xy' )
1186	!
1187	!-- Determine the cross section index
1188	IF ( two_d ) THEN
1189	layer_xy = nzb+1
1190	ELSE
1191	layer_xy = section(is,s_ind)
1192	ENDIF
1193
1194	!
1195	!-- Exit the loop for layers beyond the data output domain
1196	!-- (used for soil model)
1197	IF ( layer_xy > nzt_do ) THEN
1198	EXIT loop1
1199	ENDIF
1200
1201	!
1202	!-- Update the netCDF xy cross section time axis.
1203	!-- In case of parallel output, this is only done by PE0
1204	!-- to increase the performance.
1205	IF ( time_since_reference_point /= do2d_xy_last_time(av) ) THEN
1206	do2d_xy_time_count(av) = do2d_xy_time_count(av) + 1
1207	do2d_xy_last_time(av) = time_since_reference_point
1208	IF ( myid == 0 ) THEN
1209	IF ( .NOT. data_output_2d_on_each_pe &
1210	.OR. netcdf_data_format > 4 ) &
1211	THEN
1212	#if defined( __netcdf )
1213	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1214	id_var_time_xy(av), &
1215	(/ time_since_reference_point /), &
1216	start = (/ do2d_xy_time_count(av) /), &
1217	count = (/ 1 /) )
1218	CALL netcdf_handle_error( 'data_output_2d', 53 )
1219	#endif
1220	ENDIF
1221	ENDIF
1222	ENDIF
1223	!
1224	!-- If required, carry out averaging along z
1225	IF ( section(is,s_ind) == -1 .AND. .NOT. two_d ) THEN
1226
1227	local_2d = 0.0_wp
1228	!
1229	!-- Carry out the averaging (all data are on the PE)
1230	DO k = nzb_do, nzt_do
1231	DO j = nys, nyn
1232	DO i = nxl, nxr
1233	local_2d(i,j) = local_2d(i,j) + local_pf(i,j,k)
1234	ENDDO
1235	ENDDO
1236	ENDDO
1237
1238	local_2d = local_2d / ( nzt_do - nzb_do + 1.0_wp)
1239
1240	ELSE
1241	!
1242	!-- Just store the respective section on the local array
1243	local_2d = local_pf(:,:,layer_xy)
1244
1245	ENDIF
1246
1247	#if defined( __parallel )
1248	IF ( netcdf_data_format > 4 ) THEN
1249	!
1250	!-- Parallel output in netCDF4/HDF5 format.
1251	IF ( two_d ) THEN
1252	iis = 1
1253	ELSE
1254	iis = is
1255	ENDIF
1256
1257	#if defined( __netcdf )
1258	!
1259	!-- For parallel output, all cross sections are first stored
1260	!-- here on a local array and will be written to the output
1261	!-- file afterwards to increase the performance.
1262	DO i = nxl, nxr
1263	DO j = nys, nyn
1264	local_2d_sections(i,j,iis) = local_2d(i,j)
1265	ENDDO
1266	ENDDO
1267	#endif
1268	ELSE
1269
1270	IF ( data_output_2d_on_each_pe ) THEN
1271	!
1272	!-- Output of partial arrays on each PE
1273	#if defined( __netcdf )
1274	IF ( myid == 0 ) THEN
1275	WRITE ( 21 ) time_since_reference_point, &
1276	do2d_xy_time_count(av), av
1277	ENDIF
1278	#endif
1279	DO i = 0, io_blocks-1
1280	IF ( i == io_group ) THEN
1281	WRITE ( 21 ) nxl, nxr, nys, nyn, nys, nyn
1282	WRITE ( 21 ) local_2d
1283	ENDIF
1284	#if defined( __parallel )
1285	CALL MPI_BARRIER( comm2d, ierr )
1286	#endif
1287	ENDDO
1288
1289	ELSE
1290	!
1291	!-- PE0 receives partial arrays from all processors and
1292	!-- then outputs them. Here a barrier has to be set,
1293	!-- because otherwise "-MPI- FATAL: Remote protocol queue
1294	!-- full" may occur.
1295	CALL MPI_BARRIER( comm2d, ierr )
1296
1297	ngp = ( nxr-nxl+1 ) * ( nyn-nys+1 )
1298	IF ( myid == 0 ) THEN
1299	!
1300	!-- Local array can be relocated directly.
1301	total_2d(nxl:nxr,nys:nyn) = local_2d
1302	!
1303	!-- Receive data from all other PEs.
1304	DO n = 1, numprocs-1
1305	!
1306	!-- Receive index limits first, then array.
1307	!-- Index limits are received in arbitrary order from
1308	!-- the PEs.
1309	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1310	MPI_ANY_SOURCE, 0, comm2d, &
1311	status, ierr )
1312	sender = status(MPI_SOURCE)
1313	DEALLOCATE( local_2d )
1314	ALLOCATE( local_2d(ind(1):ind(2),ind(3):ind(4)) )
1315	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1316	MPI_REAL, sender, 1, comm2d, &
1317	status, ierr )
1318	total_2d(ind(1):ind(2),ind(3):ind(4)) = local_2d
1319	ENDDO
1320	!
1321	!-- Relocate the local array for the next loop increment
1322	DEALLOCATE( local_2d )
1323	ALLOCATE( local_2d(nxl:nxr,nys:nyn) )
1324
1325	#if defined( __netcdf )
1326	IF ( two_d ) THEN
1327	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1328	id_var_do2d(av,ivar), &
1329	total_2d(0:nx,0:ny), &
1330	start = (/ 1, 1, 1, do2d_xy_time_count(av) /), &
1331	count = (/ nx+1, ny+1, 1, 1 /) )
1332	ELSE
1333	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1334	id_var_do2d(av,ivar), &
1335	total_2d(0:nx,0:ny), &
1336	start = (/ 1, 1, is, do2d_xy_time_count(av) /), &
1337	count = (/ nx+1, ny+1, 1, 1 /) )
1338	ENDIF
1339	CALL netcdf_handle_error( 'data_output_2d', 54 )
1340	#endif
1341
1342	ELSE
1343	!
1344	!-- First send the local index limits to PE0
1345	ind(1) = nxl; ind(2) = nxr
1346	ind(3) = nys; ind(4) = nyn
1347	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1348	comm2d, ierr )
1349	!
1350	!-- Send data to PE0
1351	CALL MPI_SEND( local_2d(nxl,nys), ngp, &
1352	MPI_REAL, 0, 1, comm2d, ierr )
1353	ENDIF
1354	!
1355	!-- A barrier has to be set, because otherwise some PEs may
1356	!-- proceed too fast so that PE0 may receive wrong data on
1357	!-- tag 0
1358	CALL MPI_BARRIER( comm2d, ierr )
1359	ENDIF
1360
1361	ENDIF
1362	#else
1363	#if defined( __netcdf )
1364	IF ( two_d ) THEN
1365	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1366	id_var_do2d(av,ivar), &
1367	local_2d(nxl:nxr,nys:nyn), &
1368	start = (/ 1, 1, 1, do2d_xy_time_count(av) /), &
1369	count = (/ nx+1, ny+1, 1, 1 /) )
1370	ELSE
1371	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1372	id_var_do2d(av,ivar), &
1373	local_2d(nxl:nxr,nys:nyn), &
1374	start = (/ 1, 1, is, do2d_xy_time_count(av) /), &
1375	count = (/ nx+1, ny+1, 1, 1 /) )
1376	ENDIF
1377	CALL netcdf_handle_error( 'data_output_2d', 447 )
1378	#endif
1379	#endif
1380
1381	!
1382	!-- For 2D-arrays (e.g. u*) only one cross-section is available.
1383	!-- Hence exit loop of output levels.
1384	IF ( two_d ) THEN
1385	IF ( netcdf_data_format < 5 ) two_d = .FALSE.
1386	EXIT loop1
1387	ENDIF
1388
1389	CASE ( 'xz' )
1390	!
1391	!-- Update the netCDF xz cross section time axis.
1392	!-- In case of parallel output, this is only done by PE0
1393	!-- to increase the performance.
1394	IF ( time_since_reference_point /= do2d_xz_last_time(av) ) THEN
1395	do2d_xz_time_count(av) = do2d_xz_time_count(av) + 1
1396	do2d_xz_last_time(av) = time_since_reference_point
1397	IF ( myid == 0 ) THEN
1398	IF ( .NOT. data_output_2d_on_each_pe &
1399	.OR. netcdf_data_format > 4 ) &
1400	THEN
1401	#if defined( __netcdf )
1402	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1403	id_var_time_xz(av), &
1404	(/ time_since_reference_point /), &
1405	start = (/ do2d_xz_time_count(av) /), &
1406	count = (/ 1 /) )
1407	CALL netcdf_handle_error( 'data_output_2d', 56 )
1408	#endif
1409	ENDIF
1410	ENDIF
1411	ENDIF
1412
1413	!
1414	!-- If required, carry out averaging along y
1415	IF ( section(is,s_ind) == -1 ) THEN
1416
1417	ALLOCATE( local_2d_l(nxl:nxr,nzb_do:nzt_do) )
1418	local_2d_l = 0.0_wp
1419	ngp = ( nxr-nxl + 1 ) * ( nzt_do-nzb_do + 1 )
1420	!
1421	!-- First local averaging on the PE
1422	DO k = nzb_do, nzt_do
1423	DO j = nys, nyn
1424	DO i = nxl, nxr
1425	local_2d_l(i,k) = local_2d_l(i,k) + &
1426	local_pf(i,j,k)
1427	ENDDO
1428	ENDDO
1429	ENDDO
1430	#if defined( __parallel )
1431	!
1432	!-- Now do the averaging over all PEs along y
1433	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1434	CALL MPI_ALLREDUCE( local_2d_l(nxl,nzb_do), &
1435	local_2d(nxl,nzb_do), ngp, MPI_REAL, &
1436	MPI_SUM, comm1dy, ierr )
1437	#else
1438	local_2d = local_2d_l
1439	#endif
1440	local_2d = local_2d / ( ny + 1.0_wp )
1441
1442	DEALLOCATE( local_2d_l )
1443
1444	ELSE
1445	!
1446	!-- Just store the respective section on the local array
1447	!-- (but only if it is available on this PE!)
1448	IF ( section(is,s_ind) >= nys .AND. section(is,s_ind) <= nyn ) &
1449	THEN
1450	local_2d = local_pf(:,section(is,s_ind),nzb_do:nzt_do)
1451	ENDIF
1452
1453	ENDIF
1454
1455	#if defined( __parallel )
1456	IF ( netcdf_data_format > 4 ) THEN
1457	!
1458	!-- Output in netCDF4/HDF5 format.
1459	!-- Output only on those PEs where the respective cross
1460	!-- sections reside. Cross sections averaged along y are
1461	!-- output on the respective first PE along y (myidy=0).
1462	IF ( ( section(is,s_ind) >= nys .AND. &
1463	section(is,s_ind) <= nyn ) .OR. &
1464	( section(is,s_ind) == -1 .AND. myidy == 0 ) ) THEN
1465	#if defined( __netcdf )
1466	!
1467	!-- For parallel output, all cross sections are first
1468	!-- stored here on a local array and will be written to the
1469	!-- output file afterwards to increase the performance.
1470	DO i = nxl, nxr
1471	DO k = nzb_do, nzt_do
1472	local_2d_sections_l(i,is,k) = local_2d(i,k)
1473	ENDDO
1474	ENDDO
1475	#endif
1476	ENDIF
1477
1478	ELSE
1479
1480	IF ( data_output_2d_on_each_pe ) THEN
1481	!
1482	!-- Output of partial arrays on each PE. If the cross
1483	!-- section does not reside on the PE, output special
1484	!-- index values.
1485	#if defined( __netcdf )
1486	IF ( myid == 0 ) THEN
1487	WRITE ( 22 ) time_since_reference_point, &
1488	do2d_xz_time_count(av), av
1489	ENDIF
1490	#endif
1491	DO i = 0, io_blocks-1
1492	IF ( i == io_group ) THEN
1493	IF ( ( section(is,s_ind) >= nys .AND. &
1494	section(is,s_ind) <= nyn ) .OR. &
1495	( section(is,s_ind) == -1 .AND. &
1496	nys-1 == -1 ) ) &
1497	THEN
1498	WRITE (22) nxl, nxr, nzb_do, nzt_do, nzb, nzt+1
1499	WRITE (22) local_2d
1500	ELSE
1501	WRITE (22) -1, -1, -1, -1, -1, -1
1502	ENDIF
1503	ENDIF
1504	#if defined( __parallel )
1505	CALL MPI_BARRIER( comm2d, ierr )
1506	#endif
1507	ENDDO
1508
1509	ELSE
1510	!
1511	!-- PE0 receives partial arrays from all processors of the
1512	!-- respective cross section and outputs them. Here a
1513	!-- barrier has to be set, because otherwise
1514	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
1515	CALL MPI_BARRIER( comm2d, ierr )
1516
1517	ngp = ( nxr-nxl + 1 ) * ( nzt_do-nzb_do + 1 )
1518	IF ( myid == 0 ) THEN
1519	!
1520	!-- Local array can be relocated directly.
1521	IF ( ( section(is,s_ind) >= nys .AND. &
1522	section(is,s_ind) <= nyn ) .OR. &
1523	( section(is,s_ind) == -1 .AND. &
1524	nys-1 == -1 ) ) THEN
1525	total_2d(nxl:nxr,nzb_do:nzt_do) = local_2d
1526	ENDIF
1527	!
1528	!-- Receive data from all other PEs.
1529	DO n = 1, numprocs-1
1530	!
1531	!-- Receive index limits first, then array.
1532	!-- Index limits are received in arbitrary order from
1533	!-- the PEs.
1534	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1535	MPI_ANY_SOURCE, 0, comm2d, &
1536	status, ierr )
1537	!
1538	!-- Not all PEs have data for XZ-cross-section.
1539	IF ( ind(1) /= -9999 ) THEN
1540	sender = status(MPI_SOURCE)
1541	DEALLOCATE( local_2d )
1542	ALLOCATE( local_2d(ind(1):ind(2), &
1543	ind(3):ind(4)) )
1544	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1545	MPI_REAL, sender, 1, comm2d, &
1546	status, ierr )
1547	total_2d(ind(1):ind(2),ind(3):ind(4)) = &
1548	local_2d
1549	ENDIF
1550	ENDDO
1551	!
1552	!-- Relocate the local array for the next loop increment
1553	DEALLOCATE( local_2d )
1554	ALLOCATE( local_2d(nxl:nxr,nzb_do:nzt_do) )
1555
1556	#if defined( __netcdf )
1557	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1558	id_var_do2d(av,ivar), &
1559	total_2d(0:nx,nzb_do:nzt_do), &
1560	start = (/ 1, is, 1, do2d_xz_time_count(av) /), &
1561	count = (/ nx+1, 1, nzt_do-nzb_do+1, 1 /) )
1562	CALL netcdf_handle_error( 'data_output_2d', 58 )
1563	#endif
1564
1565	ELSE
1566	!
1567	!-- If the cross section resides on the PE, send the
1568	!-- local index limits, otherwise send -9999 to PE0.
1569	IF ( ( section(is,s_ind) >= nys .AND. &
1570	section(is,s_ind) <= nyn ) .OR. &
1571	( section(is,s_ind) == -1 .AND. nys-1 == -1 ) ) &
1572	THEN
1573	ind(1) = nxl; ind(2) = nxr
1574	ind(3) = nzb_do; ind(4) = nzt_do
1575	ELSE
1576	ind(1) = -9999; ind(2) = -9999
1577	ind(3) = -9999; ind(4) = -9999
1578	ENDIF
1579	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1580	comm2d, ierr )
1581	!
1582	!-- If applicable, send data to PE0.
1583	IF ( ind(1) /= -9999 ) THEN
1584	CALL MPI_SEND( local_2d(nxl,nzb_do), ngp, &
1585	MPI_REAL, 0, 1, comm2d, ierr )
1586	ENDIF
1587	ENDIF
1588	!
1589	!-- A barrier has to be set, because otherwise some PEs may
1590	!-- proceed too fast so that PE0 may receive wrong data on
1591	!-- tag 0
1592	CALL MPI_BARRIER( comm2d, ierr )
1593	ENDIF
1594
1595	ENDIF
1596	#else
1597	#if defined( __netcdf )
1598	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1599	id_var_do2d(av,ivar), &
1600	local_2d(nxl:nxr,nzb_do:nzt_do), &
1601	start = (/ 1, is, 1, do2d_xz_time_count(av) /), &
1602	count = (/ nx+1, 1, nzt_do-nzb_do+1, 1 /) )
1603	CALL netcdf_handle_error( 'data_output_2d', 451 )
1604	#endif
1605	#endif
1606
1607	CASE ( 'yz' )
1608	!
1609	!-- Update the netCDF yz cross section time axis.
1610	!-- In case of parallel output, this is only done by PE0
1611	!-- to increase the performance.
1612	IF ( time_since_reference_point /= do2d_yz_last_time(av) ) THEN
1613	do2d_yz_time_count(av) = do2d_yz_time_count(av) + 1
1614	do2d_yz_last_time(av) = time_since_reference_point
1615	IF ( myid == 0 ) THEN
1616	IF ( .NOT. data_output_2d_on_each_pe &
1617	.OR. netcdf_data_format > 4 ) &
1618	THEN
1619	#if defined( __netcdf )
1620	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1621	id_var_time_yz(av), &
1622	(/ time_since_reference_point /), &
1623	start = (/ do2d_yz_time_count(av) /), &
1624	count = (/ 1 /) )
1625	CALL netcdf_handle_error( 'data_output_2d', 59 )
1626	#endif
1627	ENDIF
1628	ENDIF
1629	ENDIF
1630
1631	!
1632	!-- If required, carry out averaging along x
1633	IF ( section(is,s_ind) == -1 ) THEN
1634
1635	ALLOCATE( local_2d_l(nys:nyn,nzb_do:nzt_do) )
1636	local_2d_l = 0.0_wp
1637	ngp = ( nyn-nys+1 ) * ( nzt_do-nzb_do+1 )
1638	!
1639	!-- First local averaging on the PE
1640	DO k = nzb_do, nzt_do
1641	DO j = nys, nyn
1642	DO i = nxl, nxr
1643	local_2d_l(j,k) = local_2d_l(j,k) + &
1644	local_pf(i,j,k)
1645	ENDDO
1646	ENDDO
1647	ENDDO
1648	#if defined( __parallel )
1649	!
1650	!-- Now do the averaging over all PEs along x
1651	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1652	CALL MPI_ALLREDUCE( local_2d_l(nys,nzb_do), &
1653	local_2d(nys,nzb_do), ngp, MPI_REAL, &
1654	MPI_SUM, comm1dx, ierr )
1655	#else
1656	local_2d = local_2d_l
1657	#endif
1658	local_2d = local_2d / ( nx + 1.0_wp )
1659
1660	DEALLOCATE( local_2d_l )
1661
1662	ELSE
1663	!
1664	!-- Just store the respective section on the local array
1665	!-- (but only if it is available on this PE!)
1666	IF ( section(is,s_ind) >= nxl .AND. section(is,s_ind) <= nxr ) &
1667	THEN
1668	local_2d = local_pf(section(is,s_ind),:,nzb_do:nzt_do)
1669	ENDIF
1670
1671	ENDIF
1672
1673	#if defined( __parallel )
1674	IF ( netcdf_data_format > 4 ) THEN
1675	!
1676	!-- Output in netCDF4/HDF5 format.
1677	!-- Output only on those PEs where the respective cross
1678	!-- sections reside. Cross sections averaged along x are
1679	!-- output on the respective first PE along x (myidx=0).
1680	IF ( ( section(is,s_ind) >= nxl .AND. &
1681	section(is,s_ind) <= nxr ) .OR. &
1682	( section(is,s_ind) == -1 .AND. myidx == 0 ) ) THEN
1683	#if defined( __netcdf )
1684	!
1685	!-- For parallel output, all cross sections are first
1686	!-- stored here on a local array and will be written to the
1687	!-- output file afterwards to increase the performance.
1688	DO j = nys, nyn
1689	DO k = nzb_do, nzt_do
1690	local_2d_sections_l(is,j,k) = local_2d(j,k)
1691	ENDDO
1692	ENDDO
1693	#endif
1694	ENDIF
1695
1696	ELSE
1697
1698	IF ( data_output_2d_on_each_pe ) THEN
1699	!
1700	!-- Output of partial arrays on each PE. If the cross
1701	!-- section does not reside on the PE, output special
1702	!-- index values.
1703	#if defined( __netcdf )
1704	IF ( myid == 0 ) THEN
1705	WRITE ( 23 ) time_since_reference_point, &
1706	do2d_yz_time_count(av), av
1707	ENDIF
1708	#endif
1709	DO i = 0, io_blocks-1
1710	IF ( i == io_group ) THEN
1711	IF ( ( section(is,s_ind) >= nxl .AND. &
1712	section(is,s_ind) <= nxr ) .OR. &
1713	( section(is,s_ind) == -1 .AND. &
1714	nxl-1 == -1 ) ) &
1715	THEN
1716	WRITE (23) nys, nyn, nzb_do, nzt_do, nzb, nzt+1
1717	WRITE (23) local_2d
1718	ELSE
1719	WRITE (23) -1, -1, -1, -1, -1, -1
1720	ENDIF
1721	ENDIF
1722	#if defined( __parallel )
1723	CALL MPI_BARRIER( comm2d, ierr )
1724	#endif
1725	ENDDO
1726
1727	ELSE
1728	!
1729	!-- PE0 receives partial arrays from all processors of the
1730	!-- respective cross section and outputs them. Here a
1731	!-- barrier has to be set, because otherwise
1732	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
1733	CALL MPI_BARRIER( comm2d, ierr )
1734
1735	ngp = ( nyn-nys+1 ) * ( nzt_do-nzb_do+1 )
1736	IF ( myid == 0 ) THEN
1737	!
1738	!-- Local array can be relocated directly.
1739	IF ( ( section(is,s_ind) >= nxl .AND. &
1740	section(is,s_ind) <= nxr ) .OR. &
1741	( section(is,s_ind) == -1 .AND. nxl-1 == -1 ) ) &
1742	THEN
1743	total_2d(nys:nyn,nzb_do:nzt_do) = local_2d
1744	ENDIF
1745	!
1746	!-- Receive data from all other PEs.
1747	DO n = 1, numprocs-1
1748	!
1749	!-- Receive index limits first, then array.
1750	!-- Index limits are received in arbitrary order from
1751	!-- the PEs.
1752	CALL MPI_RECV( ind(1), 4, MPI_INTEGER, &
1753	MPI_ANY_SOURCE, 0, comm2d, &
1754	status, ierr )
1755	!
1756	!-- Not all PEs have data for YZ-cross-section.
1757	IF ( ind(1) /= -9999 ) THEN
1758	sender = status(MPI_SOURCE)
1759	DEALLOCATE( local_2d )
1760	ALLOCATE( local_2d(ind(1):ind(2), &
1761	ind(3):ind(4)) )
1762	CALL MPI_RECV( local_2d(ind(1),ind(3)), ngp, &
1763	MPI_REAL, sender, 1, comm2d, &
1764	status, ierr )
1765	total_2d(ind(1):ind(2),ind(3):ind(4)) = &
1766	local_2d
1767	ENDIF
1768	ENDDO
1769	!
1770	!-- Relocate the local array for the next loop increment
1771	DEALLOCATE( local_2d )
1772	ALLOCATE( local_2d(nys:nyn,nzb_do:nzt_do) )
1773
1774	#if defined( __netcdf )
1775	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1776	id_var_do2d(av,ivar), &
1777	total_2d(0:ny,nzb_do:nzt_do), &
1778	start = (/ is, 1, 1, do2d_yz_time_count(av) /), &
1779	count = (/ 1, ny+1, nzt_do-nzb_do+1, 1 /) )
1780	CALL netcdf_handle_error( 'data_output_2d', 61 )
1781	#endif
1782
1783	ELSE
1784	!
1785	!-- If the cross section resides on the PE, send the
1786	!-- local index limits, otherwise send -9999 to PE0.
1787	IF ( ( section(is,s_ind) >= nxl .AND. &
1788	section(is,s_ind) <= nxr ) .OR. &
1789	( section(is,s_ind) == -1 .AND. nxl-1 == -1 ) ) &
1790	THEN
1791	ind(1) = nys; ind(2) = nyn
1792	ind(3) = nzb_do; ind(4) = nzt_do
1793	ELSE
1794	ind(1) = -9999; ind(2) = -9999
1795	ind(3) = -9999; ind(4) = -9999
1796	ENDIF
1797	CALL MPI_SEND( ind(1), 4, MPI_INTEGER, 0, 0, &
1798	comm2d, ierr )
1799	!
1800	!-- If applicable, send data to PE0.
1801	IF ( ind(1) /= -9999 ) THEN
1802	CALL MPI_SEND( local_2d(nys,nzb_do), ngp, &
1803	MPI_REAL, 0, 1, comm2d, ierr )
1804	ENDIF
1805	ENDIF
1806	!
1807	!-- A barrier has to be set, because otherwise some PEs may
1808	!-- proceed too fast so that PE0 may receive wrong data on
1809	!-- tag 0
1810	CALL MPI_BARRIER( comm2d, ierr )
1811	ENDIF
1812
1813	ENDIF
1814	#else
1815	#if defined( __netcdf )
1816	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1817	id_var_do2d(av,ivar), &
1818	local_2d(nys:nyn,nzb_do:nzt_do), &
1819	start = (/ is, 1, 1, do2d_xz_time_count(av) /), &
1820	count = (/ 1, ny+1, nzt_do-nzb_do+1, 1 /) )
1821	CALL netcdf_handle_error( 'data_output_2d', 452 )
1822	#endif
1823	#endif
1824
1825	END SELECT
1826
1827	is = is + 1
1828	ENDDO loop1
1829
1830	!
1831	!-- For parallel output, all data were collected before on a local array
1832	!-- and are written now to the netcdf file. This must be done to increase
1833	!-- the performance of the parallel output.
1834	#if defined( __netcdf )
1835	IF ( netcdf_data_format > 4 ) THEN
1836
1837	SELECT CASE ( mode )
1838
1839	CASE ( 'xy' )
1840	IF ( two_d ) THEN
1841	nis = 1
1842	two_d = .FALSE.
1843	ELSE
1844	nis = ns
1845	ENDIF
1846	!
1847	!-- Do not output redundant ghost point data except for the
1848	!-- boundaries of the total domain.
1849	! IF ( nxr == nx .AND. nyn /= ny ) THEN
1850	! nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1851	! id_var_do2d(av,ivar), &
1852	! local_2d_sections(nxl:nxr+1, &
1853	! nys:nyn,1:nis), &
1854	! start = (/ nxl+1, nys+1, 1, &
1855	! do2d_xy_time_count(av) /), &
1856	! count = (/ nxr-nxl+2, &
1857	! nyn-nys+1, nis, 1 &
1858	! /) )
1859	! ELSEIF ( nxr /= nx .AND. nyn == ny ) THEN
1860	! nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1861	! id_var_do2d(av,ivar), &
1862	! local_2d_sections(nxl:nxr, &
1863	! nys:nyn+1,1:nis), &
1864	! start = (/ nxl+1, nys+1, 1, &
1865	! do2d_xy_time_count(av) /), &
1866	! count = (/ nxr-nxl+1, &
1867	! nyn-nys+2, nis, 1 &
1868	! /) )
1869	! ELSEIF ( nxr == nx .AND. nyn == ny ) THEN
1870	! nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1871	! id_var_do2d(av,ivar), &
1872	! local_2d_sections(nxl:nxr+1, &
1873	! nys:nyn+1,1:nis), &
1874	! start = (/ nxl+1, nys+1, 1, &
1875	! do2d_xy_time_count(av) /), &
1876	! count = (/ nxr-nxl+2, &
1877	! nyn-nys+2, nis, 1 &
1878	! /) )
1879	! ELSE
1880	nc_stat = NF90_PUT_VAR( id_set_xy(av), &
1881	id_var_do2d(av,ivar), &
1882	local_2d_sections(nxl:nxr, &
1883	nys:nyn,1:nis), &
1884	start = (/ nxl+1, nys+1, 1, &
1885	do2d_xy_time_count(av) /), &
1886	count = (/ nxr-nxl+1, &
1887	nyn-nys+1, nis, 1 &
1888	/) )
1889	! ENDIF
1890
1891	CALL netcdf_handle_error( 'data_output_2d', 55 )
1892
1893	CASE ( 'xz' )
1894	!
1895	!-- First, all PEs get the information of all cross-sections.
1896	!-- Then the data are written to the output file by all PEs
1897	!-- while NF90_COLLECTIVE is set in subroutine
1898	!-- define_netcdf_header. Although redundant information are
1899	!-- written to the output file in that case, the performance
1900	!-- is significantly better compared to the case where only
1901	!-- the first row of PEs in x-direction (myidx = 0) is given
1902	!-- the output while NF90_INDEPENDENT is set.
1903	IF ( npey /= 1 ) THEN
1904
1905	#if defined( __parallel )
1906	!
1907	!-- Distribute data over all PEs along y
1908	ngp = ( nxr-nxl+1 ) * ( nzt_do-nzb_do+1 ) * ns
1909	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1910	CALL MPI_ALLREDUCE( local_2d_sections_l(nxl,1,nzb_do), &
1911	local_2d_sections(nxl,1,nzb_do), &
1912	ngp, MPI_REAL, MPI_SUM, comm1dy, &
1913	ierr )
1914	#else
1915	local_2d_sections = local_2d_sections_l
1916	#endif
1917	ENDIF
1918	!
1919	!-- Do not output redundant ghost point data except for the
1920	!-- boundaries of the total domain.
1921	! IF ( nxr == nx ) THEN
1922	! nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1923	! id_var_do2d(av,ivar), &
1924	! local_2d_sections(nxl:nxr+1,1:ns, &
1925	! nzb_do:nzt_do), &
1926	! start = (/ nxl+1, 1, 1, &
1927	! do2d_xz_time_count(av) /), &
1928	! count = (/ nxr-nxl+2, ns, nzt_do-nzb_do+1, &
1929	! 1 /) )
1930	! ELSE
1931	nc_stat = NF90_PUT_VAR( id_set_xz(av), &
1932	id_var_do2d(av,ivar), &
1933	local_2d_sections(nxl:nxr,1:ns, &
1934	nzb_do:nzt_do), &
1935	start = (/ nxl+1, 1, 1, &
1936	do2d_xz_time_count(av) /), &
1937	count = (/ nxr-nxl+1, ns, nzt_do-nzb_do+1, &
1938	1 /) )
1939	! ENDIF
1940
1941	CALL netcdf_handle_error( 'data_output_2d', 57 )
1942
1943	CASE ( 'yz' )
1944	!
1945	!-- First, all PEs get the information of all cross-sections.
1946	!-- Then the data are written to the output file by all PEs
1947	!-- while NF90_COLLECTIVE is set in subroutine
1948	!-- define_netcdf_header. Although redundant information are
1949	!-- written to the output file in that case, the performance
1950	!-- is significantly better compared to the case where only
1951	!-- the first row of PEs in y-direction (myidy = 0) is given
1952	!-- the output while NF90_INDEPENDENT is set.
1953	IF ( npex /= 1 ) THEN
1954
1955	#if defined( __parallel )
1956	!
1957	!-- Distribute data over all PEs along x
1958	ngp = ( nyn-nys+1 ) * ( nzt-nzb + 2 ) * ns
1959	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1960	CALL MPI_ALLREDUCE( local_2d_sections_l(1,nys,nzb_do), &
1961	local_2d_sections(1,nys,nzb_do), &
1962	ngp, MPI_REAL, MPI_SUM, comm1dx, &
1963	ierr )
1964	#else
1965	local_2d_sections = local_2d_sections_l
1966	#endif
1967	ENDIF
1968	!
1969	!-- Do not output redundant ghost point data except for the
1970	!-- boundaries of the total domain.
1971	! IF ( nyn == ny ) THEN
1972	! nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1973	! id_var_do2d(av,ivar), &
1974	! local_2d_sections(1:ns, &
1975	! nys:nyn+1,nzb_do:nzt_do), &
1976	! start = (/ 1, nys+1, 1, &
1977	! do2d_yz_time_count(av) /), &
1978	! count = (/ ns, nyn-nys+2, &
1979	! nzt_do-nzb_do+1, 1 /) )
1980	! ELSE
1981	nc_stat = NF90_PUT_VAR( id_set_yz(av), &
1982	id_var_do2d(av,ivar), &
1983	local_2d_sections(1:ns,nys:nyn, &
1984	nzb_do:nzt_do), &
1985	start = (/ 1, nys+1, 1, &
1986	do2d_yz_time_count(av) /), &
1987	count = (/ ns, nyn-nys+1, &
1988	nzt_do-nzb_do+1, 1 /) )
1989	! ENDIF
1990
1991	CALL netcdf_handle_error( 'data_output_2d', 60 )
1992
1993	CASE DEFAULT
1994	message_string = 'unknown cross-section: ' // TRIM( mode )
1995	CALL message( 'data_output_2d', 'PA0180', 1, 2, 0, 6, 0 )
1996
1997	END SELECT
1998
1999	ENDIF
2000	#endif
2001	ENDIF
2002
2003	ivar = ivar + 1
2004	l = MAX( 2, LEN_TRIM( do2d(av,ivar) ) )
2005	do2d_mode = do2d(av,ivar)(l-1:l)
2006
2007	ENDDO
2008
2009	!
2010	!-- Deallocate temporary arrays.
2011	IF ( ALLOCATED( level_z ) ) DEALLOCATE( level_z )
2012	IF ( netcdf_data_format > 4 ) THEN
2013	DEALLOCATE( local_pf, local_2d, local_2d_sections )
2014	IF( mode == 'xz' .OR. mode == 'yz' ) DEALLOCATE( local_2d_sections_l )
2015	ENDIF
2016	#if defined( __parallel )
2017	IF ( .NOT. data_output_2d_on_each_pe .AND. myid == 0 ) THEN
2018	DEALLOCATE( total_2d )
2019	ENDIF
2020	#endif
2021
2022	!
2023	!-- Close plot output file.
2024	file_id = 20 + s_ind
2025
2026	IF ( data_output_2d_on_each_pe ) THEN
2027	DO i = 0, io_blocks-1
2028	IF ( i == io_group ) THEN
2029	CALL close_file( file_id )
2030	ENDIF
2031	#if defined( __parallel )
2032	CALL MPI_BARRIER( comm2d, ierr )
2033	#endif
2034	ENDDO
2035	ELSE
2036	IF ( myid == 0 ) CALL close_file( file_id )
2037	ENDIF
2038
2039	CALL cpu_log( log_point(3), 'data_output_2d', 'stop' )
2040
2041	IF ( debug_output_timestep ) CALL debug_message( 'data_output_2d', 'end' )
2042
2043
2044	END SUBROUTINE data_output_2d

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