Home

Context Navigation

source: palm/trunk/SOURCE/init_3d_model.f90 @ 2338

Last change on this file since 2338 was 2338, checked in by gronemeier, 7 years ago

modularized 1d model

Property svn:keywords set to Id
Property svn:mergeinfo set to False
/palm/branches/forwind/SOURCE/init_3d_model.f90 1564-1913

File size: 84.0 KB

Line
1	!> @file init_3d_model.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of PALM.
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 1997-2017 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: init_3d_model.f90 2338 2017-08-07 12:15:38Z gronemeier $
27	! Modularize 1D model
28	!
29	!
30	! Removed temporary bugfix (r2327) as bug is properly resolved by this revision
31	!
32	! 2327 2017-08-02 07:40:57Z maronga
33	! Temporary bugfix
34	!
35	! 2320 2017-07-21 12:47:43Z suehring
36	! Modularize large-scale forcing and nudging
37	!
38	! 2292 2017-06-20 09:51:42Z schwenkel
39	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
40	! includes two more prognostic equations for cloud drop concentration (nc)
41	! and cloud water content (qc).
42	!
43	! 2277 2017-06-12 10:47:51Z kanani
44	! Removed unused variable sums_up_fraction_l
45	!
46	! 2270 2017-06-09 12:18:47Z maronga
47	! dots_num must be increased when LSM and/or radiation is used
48	!
49	! 2259 2017-06-08 09:09:11Z gronemeier
50	! Implemented synthetic turbulence generator
51	!
52	! 2252 2017-06-07 09:35:37Z knoop
53	! rho_air now depending on surface_pressure even in Boussinesq mode
54	!
55	! 2233 2017-05-30 18:08:54Z suehring
56	!
57	! 2232 2017-05-30 17:47:52Z suehring
58	! Adjustments to new topography and surface concept:
59	! - Modify passed parameters for disturb_field
60	! - Topography representation via flags
61	! - Remove unused arrays.
62	! - Move initialization of surface-related quantities to surface_mod
63	!
64	! 2172 2017-03-08 15:55:25Z knoop
65	! Bugfix: moved parallel random generator initialization into its module
66	!
67	! 2118 2017-01-17 16:38:49Z raasch
68	! OpenACC directives removed
69	!
70	! 2037 2016-10-26 11:15:40Z knoop
71	! Anelastic approximation implemented
72	!
73	! 2031 2016-10-21 15:11:58Z knoop
74	! renamed variable rho to rho_ocean
75	!
76	! 2011 2016-09-19 17:29:57Z kanani
77	! Flag urban_surface is now defined in module control_parameters.
78	!
79	! 2007 2016-08-24 15:47:17Z kanani
80	! Added support for urban surface model,
81	! adjusted location_message in case of plant_canopy
82	!
83	! 2000 2016-08-20 18:09:15Z knoop
84	! Forced header and separation lines into 80 columns
85	!
86	! 1992 2016-08-12 15:14:59Z suehring
87	! Initializaton of scalarflux at model top
88	! Bugfixes in initialization of surface and top salinity flux, top scalar and
89	! humidity fluxes
90	!
91	! 1960 2016-07-12 16:34:24Z suehring
92	! Separate humidity and passive scalar
93	! Increase dimension for mean_inflow_profiles
94	! Remove inadvertent write-statement
95	! Bugfix, large-scale forcing is still not implemented for passive scalars
96	!
97	! 1957 2016-07-07 10:43:48Z suehring
98	! flight module added
99	!
100	! 1920 2016-05-30 10:50:15Z suehring
101	! Initialize us with very small number to avoid segmentation fault during
102	! calculation of Obukhov length
103	!
104	! 1918 2016-05-27 14:35:57Z raasch
105	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
106	! bugfix: initialization of local sum arrays are moved to the beginning of the
107	! routine because otherwise results from pres are overwritten
108	!
109	! 1914 2016-05-26 14:44:07Z witha
110	! Added initialization of the wind turbine model
111	!
112	! 1878 2016-04-19 12:30:36Z hellstea
113	! The zeroth element of weight_pres removed as unnecessary
114	!
115	! 1849 2016-04-08 11:33:18Z hoffmann
116	! Adapted for modularization of microphysics.
117	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
118	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
119	! microphysics_init.
120	!
121	! 1845 2016-04-08 08:29:13Z raasch
122	! nzb_2d replaced by nzb_u\|v_inner
123	!
124	! 1833 2016-04-07 14:23:03Z raasch
125	! initialization of spectra quantities moved to spectra_mod
126	!
127	! 1831 2016-04-07 13:15:51Z hoffmann
128	! turbulence renamed collision_turbulence
129	!
130	! 1826 2016-04-07 12:01:39Z maronga
131	! Renamed radiation calls.
132	! Renamed canopy model calls.
133	!
134	! 1822 2016-04-07 07:49:42Z hoffmann
135	! icloud_scheme replaced by microphysics_*
136	!
137	! 1817 2016-04-06 15:44:20Z maronga
138	! Renamed lsm calls.
139	!
140	! 1815 2016-04-06 13:49:59Z raasch
141	! zero-settings for velocities inside topography re-activated (was deactivated
142	! in r1762)
143	!
144	! 1788 2016-03-10 11:01:04Z maronga
145	! Added z0q.
146	! Syntax layout improved.
147	!
148	! 1783 2016-03-06 18:36:17Z raasch
149	! netcdf module name changed + related changes
150	!
151	! 1764 2016-02-28 12:45:19Z raasch
152	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
153	!
154	! 1762 2016-02-25 12:31:13Z hellstea
155	! Introduction of nested domain feature
156	!
157	! 1738 2015-12-18 13:56:05Z raasch
158	! calculate mean surface level height for each statistic region
159	!
160	! 1734 2015-12-02 12:17:12Z raasch
161	! no initial disturbances in case that the disturbance energy limit has been
162	! set zero
163	!
164	! 1707 2015-11-02 15:24:52Z maronga
165	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
166	! devision by zero in neutral stratification
167	!
168	! 1691 2015-10-26 16:17:44Z maronga
169	! Call to init_surface_layer added. rif is replaced by ol and zeta.
170	!
171	! 1682 2015-10-07 23:56:08Z knoop
172	! Code annotations made doxygen readable
173	!
174	! 1615 2015-07-08 18:49:19Z suehring
175	! Enable turbulent inflow for passive_scalar and humidity
176	!
177	! 1585 2015-04-30 07:05:52Z maronga
178	! Initialization of radiation code is now done after LSM initializtion
179	!
180	! 1575 2015-03-27 09:56:27Z raasch
181	! adjustments for psolver-queries
182	!
183	! 1551 2015-03-03 14:18:16Z maronga
184	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
185	! which is part of land_surface_model.
186	!
187	! 1507 2014-12-10 12:14:18Z suehring
188	! Bugfix: set horizontal velocity components to zero inside topography
189	!
190	! 1496 2014-12-02 17:25:50Z maronga
191	! Added initialization of the land surface and radiation schemes
192	!
193	! 1484 2014-10-21 10:53:05Z kanani
194	! Changes due to new module structure of the plant canopy model:
195	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
196	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
197	! call of subroutine init_plant_canopy added.
198	!
199	! 1431 2014-07-15 14:47:17Z suehring
200	! var_d added, in order to normalize spectra.
201	!
202	! 1429 2014-07-15 12:53:45Z knoop
203	! Ensemble run capability added to parallel random number generator
204	!
205	! 1411 2014-05-16 18:01:51Z suehring
206	! Initial horizontal velocity profiles were not set to zero at the first vertical
207	! grid level in case of non-cyclic lateral boundary conditions.
208	!
209	! 1406 2014-05-16 13:47:01Z raasch
210	! bugfix: setting of initial velocities at k=1 to zero not in case of a
211	! no-slip boundary condition for uv
212	!
213	! 1402 2014-05-09 14:25:13Z raasch
214	! location messages modified
215	!
216	! 1400 2014-05-09 14:03:54Z knoop
217	! Parallel random number generator added
218	!
219	! 1384 2014-05-02 14:31:06Z raasch
220	! location messages added
221	!
222	! 1361 2014-04-16 15:17:48Z hoffmann
223	! tend_* removed
224	! Bugfix: w_subs is not allocated anymore if it is already allocated
225	!
226	! 1359 2014-04-11 17:15:14Z hoffmann
227	! module lpm_init_mod added to use statements, because lpm_init has become a
228	! module
229	!
230	! 1353 2014-04-08 15:21:23Z heinze
231	! REAL constants provided with KIND-attribute
232	!
233	! 1340 2014-03-25 19:45:13Z kanani
234	! REAL constants defined as wp-kind
235	!
236	! 1322 2014-03-20 16:38:49Z raasch
237	! REAL constants defined as wp-kind
238	! module interfaces removed
239	!
240	! 1320 2014-03-20 08:40:49Z raasch
241	! ONLY-attribute added to USE-statements,
242	! kind-parameters added to all INTEGER and REAL declaration statements,
243	! kinds are defined in new module kinds,
244	! revision history before 2012 removed,
245	! comment fields (!:) to be used for variable explanations added to
246	! all variable declaration statements
247	!
248	! 1316 2014-03-17 07:44:59Z heinze
249	! Bugfix: allocation of w_subs
250	!
251	! 1299 2014-03-06 13:15:21Z heinze
252	! Allocate w_subs due to extension of large scale subsidence in combination
253	! with large scale forcing data (LSF_DATA)
254	!
255	! 1241 2013-10-30 11:36:58Z heinze
256	! Overwrite initial profiles in case of nudging
257	! Inititialize shf and qsws in case of large_scale_forcing
258	!
259	! 1221 2013-09-10 08:59:13Z raasch
260	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
261	! copy
262	!
263	! 1212 2013-08-15 08:46:27Z raasch
264	! array tri is allocated and included in data copy statement
265	!
266	! 1195 2013-07-01 12:27:57Z heinze
267	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
268	!
269	! 1179 2013-06-14 05:57:58Z raasch
270	! allocate and set ref_state to be used in buoyancy terms
271	!
272	! 1171 2013-05-30 11:27:45Z raasch
273	! diss array is allocated with full size if accelerator boards are used
274	!
275	! 1159 2013-05-21 11:58:22Z fricke
276	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
277	!
278	! 1153 2013-05-10 14:33:08Z raasch
279	! diss array is allocated with dummy elements even if it is not needed
280	! (required by PGI 13.4 / CUDA 5.0)
281	!
282	! 1115 2013-03-26 18:16:16Z hoffmann
283	! unused variables removed
284	!
285	! 1113 2013-03-10 02:48:14Z raasch
286	! openACC directive modified
287	!
288	! 1111 2013-03-08 23:54:10Z raasch
289	! openACC directives added for pres
290	! array diss allocated only if required
291	!
292	! 1092 2013-02-02 11:24:22Z raasch
293	! unused variables removed
294	!
295	! 1065 2012-11-22 17:42:36Z hoffmann
296	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
297	!
298	! 1053 2012-11-13 17:11:03Z hoffmann
299	! allocation and initialisation of necessary data arrays for the two-moment
300	! cloud physics scheme the two new prognostic equations (nr, qr):
301	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
302	! +tend_*, prr
303	!
304	! 1036 2012-10-22 13:43:42Z raasch
305	! code put under GPL (PALM 3.9)
306	!
307	! 1032 2012-10-21 13:03:21Z letzel
308	! save memory by not allocating pt_2 in case of neutral = .T.
309	!
310	! 1025 2012-10-07 16:04:41Z letzel
311	! bugfix: swap indices of mask for ghost boundaries
312	!
313	! 1015 2012-09-27 09:23:24Z raasch
314	! mask is set to zero for ghost boundaries
315	!
316	! 1010 2012-09-20 07:59:54Z raasch
317	! cpp switch __nopointer added for pointer free version
318	!
319	! 1003 2012-09-14 14:35:53Z raasch
320	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
321	!
322	! 1001 2012-09-13 14:08:46Z raasch
323	! all actions concerning leapfrog scheme removed
324	!
325	! 996 2012-09-07 10:41:47Z raasch
326	! little reformatting
327	!
328	! 978 2012-08-09 08:28:32Z fricke
329	! outflow damping layer removed
330	! roughness length for scalar quantites z0h added
331	! damping zone for the potential temperatur in case of non-cyclic lateral
332	! boundaries added
333	! initialization of ptdf_x, ptdf_y
334	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
335	!
336	! 849 2012-03-15 10:35:09Z raasch
337	! init_particles renamed lpm_init
338	!
339	! 825 2012-02-19 03:03:44Z raasch
340	! wang_collision_kernel renamed wang_kernel
341	!
342	! Revision 1.1 1998/03/09 16:22:22 raasch
343	! Initial revision
344	!
345	!
346	! Description:
347	! ------------
348	!> Allocation of arrays and initialization of the 3D model via
349	!> a) pre-run the 1D model
350	!> or
351	!> b) pre-set constant linear profiles
352	!> or
353	!> c) read values of a previous run
354	!------------------------------------------------------------------------------!
355	SUBROUTINE init_3d_model
356
357
358	USE advec_ws
359
360	USE arrays_3d
361
362	USE cloud_parameters, &
363	ONLY: cp, l_v, r_d
364
365	USE constants, &
366	ONLY: pi
367
368	USE control_parameters
369
370	USE flight_mod, &
371	ONLY: flight_init
372
373	USE grid_variables, &
374	ONLY: dx, dy, ddx2_mg, ddy2_mg
375
376	USE indices
377
378	USE lpm_init_mod, &
379	ONLY: lpm_init
380
381	USE kinds
382
383	USE land_surface_model_mod, &
384	ONLY: lsm_init, lsm_init_arrays
385
386	USE lsf_nudging_mod, &
387	ONLY: lsf_init, ls_forcing_surf, nudge_init
388
389	USE microphysics_mod, &
390	ONLY: collision_turbulence, microphysics_init
391
392	USE model_1d_mod, &
393	ONLY: e1d, init_1d_model, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, &
394	v1d, vsws1d
395
396	USE netcdf_interface, &
397	ONLY: dots_max, dots_num
398
399	USE particle_attributes, &
400	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
401
402	USE pegrid
403
404	USE plant_canopy_model_mod, &
405	ONLY: pcm_init, plant_canopy
406
407	USE radiation_model_mod, &
408	ONLY: radiation_init, radiation, radiation_scheme
409
410	USE random_function_mod
411
412	USE random_generator_parallel, &
413	ONLY: init_parallel_random_generator
414
415	USE statistics, &
416	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
417	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
418	sums_l_l, sums_wsts_bc_l, ts_value, &
419	weight_pres, weight_substep
420
421	USE synthetic_turbulence_generator_mod, &
422	ONLY: stg_init, use_synthetic_turbulence_generator
423
424	USE surface_layer_fluxes_mod, &
425	ONLY: init_surface_layer_fluxes
426
427	USE surface_mod, &
428	ONLY : init_surface_arrays, init_surfaces, surf_def_h, surf_lsm_h, &
429	surf_usm_h
430
431	USE transpose_indices
432
433	USE urban_surface_mod, &
434	ONLY: usm_init_urban_surface
435
436	USE wind_turbine_model_mod, &
437	ONLY: wtm_init, wtm_init_arrays, wind_turbine
438
439	IMPLICIT NONE
440
441	INTEGER(iwp) :: i !<
442	INTEGER(iwp) :: ind_array(1) !<
443	INTEGER(iwp) :: j !<
444	INTEGER(iwp) :: k !<
445	INTEGER(iwp) :: k_surf !< surface level index
446	INTEGER(iwp) :: m !< index of surface element in surface data type
447	INTEGER(iwp) :: sr !< index of statistic region
448
449	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
450
451	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
452	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
453
454	REAL(wp) :: t_surface !< air temperature at the surface
455
456	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
457
458	INTEGER(iwp) :: l !< loop variable
459	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
460	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
461	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
462
463	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
464	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
465
466	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
467	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
468	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
469
470
471	CALL location_message( 'allocating arrays', .FALSE. )
472	!
473	!-- Allocate arrays
474	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
475	mean_surface_level_height_l(0:statistic_regions), &
476	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
477	ngp_3d(0:statistic_regions), &
478	ngp_3d_inner(0:statistic_regions), &
479	ngp_3d_inner_l(0:statistic_regions), &
480	ngp_3d_inner_tmp(0:statistic_regions), &
481	sums_divnew_l(0:statistic_regions), &
482	sums_divold_l(0:statistic_regions) )
483	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
484	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
485	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
486	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
487	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
488	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
489	sums(nzb:nzt+1,pr_palm+max_pr_user), &
490	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
491	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
492	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
493	ts_value(dots_max,0:statistic_regions) )
494	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
495
496	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
497	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
498	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
499	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
500	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
501
502	#if defined( __nopointer )
503	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
504	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
505	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
506	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
507	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
508	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
509	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
510	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
511	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
512	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
513	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
514	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
515	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
516	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
517	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
518	#else
519	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
520	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
521	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
522	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
523	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
524	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
525	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
526	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
527	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
528	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
529	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
530	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
531	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
532	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
533	IF ( .NOT. neutral ) THEN
534	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
535	ENDIF
536	#endif
537
538	!
539	!-- Following array is required for perturbation pressure within the iterative
540	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
541	!-- the weighted average of the substeps and cannot be used in the Poisson
542	!-- solver.
543	IF ( psolver == 'sor' ) THEN
544	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
545	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
546	!
547	!-- For performance reasons, multigrid is using one ghost layer only
548	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
549	ENDIF
550
551	!
552	!-- Array for storing constant coeffficients of the tridiagonal solver
553	IF ( psolver == 'poisfft' ) THEN
554	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
555	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
556	ENDIF
557
558	IF ( humidity ) THEN
559	!
560	!-- 3D-humidity
561	#if defined( __nopointer )
562	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
563	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
564	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
565	#else
566	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
567	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
568	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
569	#endif
570
571	!
572	!-- 3D-arrays needed for humidity
573	IF ( humidity ) THEN
574	#if defined( __nopointer )
575	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
576	#else
577	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
578	#endif
579
580	IF ( cloud_physics ) THEN
581	!
582	!-- Liquid water content
583	#if defined( __nopointer )
584	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
585	#else
586	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
587	#endif
588
589	!
590	!-- 3D-cloud water content
591	IF ( .NOT. microphysics_morrison ) THEN
592	#if defined( __nopointer )
593	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
594	#else
595	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
596	#endif
597	ENDIF
598	!
599	!-- Precipitation amount and rate (only needed if output is switched)
600	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
601	precipitation_rate(nysg:nyng,nxlg:nxrg) )
602
603	!
604	!-- 3d-precipitation rate
605	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
606
607	IF ( microphysics_morrison ) THEN
608	!
609	!-- 3D-cloud drop water content, cloud drop concentration arrays
610	#if defined( __nopointer )
611	ALLOCATE( nc(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
612	nc_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
613	qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
614	qc_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
615	tnc_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)
616	tqc_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
617	#else
618	ALLOCATE( nc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
619	nc_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
620	nc_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
621	qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
622	qc_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
623	qc_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
624	#endif
625	ENDIF
626
627	IF ( microphysics_seifert ) THEN
628	!
629	!-- 3D-rain water content, rain drop concentration arrays
630	#if defined( __nopointer )
631	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
632	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
633	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
634	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
635	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
636	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
637	#else
638	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
639	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
640	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
641	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
642	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
643	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
644	#endif
645	ENDIF
646
647	ENDIF
648
649	IF ( cloud_droplets ) THEN
650	!
651	!-- Liquid water content, change in liquid water content
652	#if defined( __nopointer )
653	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
654	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
655	#else
656	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
657	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
658	#endif
659	!
660	!-- Real volume of particles (with weighting), volume of particles
661	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
662	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
663	ENDIF
664
665	ENDIF
666
667	ENDIF
668
669
670	IF ( passive_scalar ) THEN
671
672	!
673	!-- 3D scalar arrays
674	#if defined( __nopointer )
675	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
676	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
677	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
678	#else
679	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
680	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
681	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
682	#endif
683	ENDIF
684
685	IF ( ocean ) THEN
686	#if defined( __nopointer )
687	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
688	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
689	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
690	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
691	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
692	#else
693	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
694	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
695	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
696	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
697	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
698	prho => prho_1
699	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
700	! density to be apointer
701	#endif
702	ENDIF
703
704	!
705	!-- Allocation of anelastic and Boussinesq approximation specific arrays
706	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
707	ALLOCATE( rho_air(nzb:nzt+1) )
708	ALLOCATE( rho_air_zw(nzb:nzt+1) )
709	ALLOCATE( drho_air(nzb:nzt+1) )
710	ALLOCATE( drho_air_zw(nzb:nzt+1) )
711
712	!
713	!-- Density profile calculation for anelastic approximation
714	t_surface = pt_surface * ( surface_pressure / 1000.0_wp )**( r_d / cp )
715	IF ( TRIM( approximation ) == 'anelastic' ) THEN
716	DO k = nzb, nzt+1
717	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
718	( 1 - ( g * zu(k) ) / ( cp * t_surface ) &
719	)**( cp / r_d )
720	rho_air(k) = ( p_hydrostatic(k) * &
721	( 100000.0_wp / p_hydrostatic(k) &
722	)**( r_d / cp ) &
723	) / ( r_d * pt_init(k) )
724	ENDDO
725	DO k = nzb, nzt
726	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
727	ENDDO
728	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
729	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
730	ELSE
731	DO k = nzb, nzt+1
732	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
733	( 1 - ( g * zu(nzb) ) / ( cp * t_surface ) &
734	)**( cp / r_d )
735	rho_air(k) = ( p_hydrostatic(k) * &
736	( 100000.0_wp / p_hydrostatic(k) &
737	)**( r_d / cp ) &
738	) / ( r_d * pt_init(nzb) )
739	ENDDO
740	DO k = nzb, nzt
741	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
742	ENDDO
743	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
744	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
745	ENDIF
746
747	!-- compute the inverse density array in order to avoid expencive divisions
748	drho_air = 1.0_wp / rho_air
749	drho_air_zw = 1.0_wp / rho_air_zw
750
751	!
752	!-- Allocation of flux conversion arrays
753	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
754	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
755	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
756	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
757	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
758	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
759
760	!
761	!-- calculate flux conversion factors according to approximation and in-/output mode
762	DO k = nzb, nzt+1
763
764	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
765	heatflux_input_conversion(k) = rho_air_zw(k)
766	waterflux_input_conversion(k) = rho_air_zw(k)
767	momentumflux_input_conversion(k) = rho_air_zw(k)
768	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
769	heatflux_input_conversion(k) = 1.0_wp / cp
770	waterflux_input_conversion(k) = 1.0_wp / l_v
771	momentumflux_input_conversion(k) = 1.0_wp
772	ENDIF
773
774	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
775	heatflux_output_conversion(k) = drho_air_zw(k)
776	waterflux_output_conversion(k) = drho_air_zw(k)
777	momentumflux_output_conversion(k) = drho_air_zw(k)
778	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
779	heatflux_output_conversion(k) = cp
780	waterflux_output_conversion(k) = l_v
781	momentumflux_output_conversion(k) = 1.0_wp
782	ENDIF
783
784	IF ( .NOT. humidity ) THEN
785	waterflux_input_conversion(k) = 1.0_wp
786	waterflux_output_conversion(k) = 1.0_wp
787	ENDIF
788
789	ENDDO
790
791	!
792	!-- In case of multigrid method, compute grid lengths and grid factors for the
793	!-- grid levels with respective density on each grid
794	IF ( psolver(1:9) == 'multigrid' ) THEN
795
796	ALLOCATE( ddx2_mg(maximum_grid_level) )
797	ALLOCATE( ddy2_mg(maximum_grid_level) )
798	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
799	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
800	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
801	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
802	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
803	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
804	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
805
806	dzu_mg(:,maximum_grid_level) = dzu
807	rho_air_mg(:,maximum_grid_level) = rho_air
808	!
809	!-- Next line to ensure an equally spaced grid.
810	dzu_mg(1,maximum_grid_level) = dzu(2)
811	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
812	(rho_air(nzb) - rho_air(nzb+1))
813
814	dzw_mg(:,maximum_grid_level) = dzw
815	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
816	nzt_l = nzt
817	DO l = maximum_grid_level-1, 1, -1
818	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
819	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
820	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
821	rho_air_zw_mg(nzb,l) = rho_air_zw_mg(nzb,l+1) + (rho_air_zw_mg(nzb,l+1) - rho_air_zw_mg(nzb+1,l+1))
822	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
823	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
824	nzt_l = nzt_l / 2
825	DO k = 2, nzt_l+1
826	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
827	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
828	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
829	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
830	ENDDO
831	ENDDO
832
833	nzt_l = nzt
834	dx_l = dx
835	dy_l = dy
836	DO l = maximum_grid_level, 1, -1
837	ddx2_mg(l) = 1.0_wp / dx_l**2
838	ddy2_mg(l) = 1.0_wp / dy_l**2
839	DO k = nzb+1, nzt_l
840	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
841	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
842	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
843	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
844	ENDDO
845	nzt_l = nzt_l / 2
846	dx_l = dx_l * 2.0_wp
847	dy_l = dy_l * 2.0_wp
848	ENDDO
849
850	ENDIF
851
852	!
853	!-- 3D-array for storing the dissipation, needed for calculating the sgs
854	!-- particle velocities
855	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence )&
856	THEN
857	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
858	ENDIF
859
860	!
861	!-- 1D-array for large scale subsidence velocity
862	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
863	ALLOCATE ( w_subs(nzb:nzt+1) )
864	w_subs = 0.0_wp
865	ENDIF
866
867	!
868	!-- Arrays to store velocity data from t-dt and the phase speeds which
869	!-- are needed for radiation boundary conditions
870	IF ( outflow_l ) THEN
871	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
872	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
873	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
874	ENDIF
875	IF ( outflow_r ) THEN
876	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
877	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
878	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
879	ENDIF
880	IF ( outflow_l .OR. outflow_r ) THEN
881	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
882	c_w(nzb:nzt+1,nysg:nyng) )
883	ENDIF
884	IF ( outflow_s ) THEN
885	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
886	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
887	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
888	ENDIF
889	IF ( outflow_n ) THEN
890	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
891	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
892	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
893	ENDIF
894	IF ( outflow_s .OR. outflow_n ) THEN
895	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
896	c_w(nzb:nzt+1,nxlg:nxrg) )
897	ENDIF
898	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
899	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
900	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
901	ENDIF
902
903
904	#if ! defined( __nopointer )
905	!
906	!-- Initial assignment of the pointers
907	e => e_1; e_p => e_2; te_m => e_3
908	IF ( .NOT. neutral ) THEN
909	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
910	ELSE
911	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
912	ENDIF
913	u => u_1; u_p => u_2; tu_m => u_3
914	v => v_1; v_p => v_2; tv_m => v_3
915	w => w_1; w_p => w_2; tw_m => w_3
916
917	IF ( humidity ) THEN
918	q => q_1; q_p => q_2; tq_m => q_3
919	IF ( humidity ) THEN
920	vpt => vpt_1
921	IF ( cloud_physics ) THEN
922	ql => ql_1
923	IF ( .NOT. microphysics_morrison ) THEN
924	qc => qc_1
925	ENDIF
926	IF ( microphysics_morrison ) THEN
927	qc => qc_1; qc_p => qc_2; tqc_m => qc_3
928	nc => nc_1; nc_p => nc_2; tnc_m => nc_3
929	ENDIF
930	IF ( microphysics_seifert ) THEN
931	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
932	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
933	ENDIF
934	ENDIF
935	ENDIF
936	IF ( cloud_droplets ) THEN
937	ql => ql_1
938	ql_c => ql_2
939	ENDIF
940	ENDIF
941
942	IF ( passive_scalar ) THEN
943	s => s_1; s_p => s_2; ts_m => s_3
944	ENDIF
945
946	IF ( ocean ) THEN
947	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
948	ENDIF
949	#endif
950	!
951	!-- Initialize wall arrays
952	CALL init_surface_arrays
953	!
954	!-- Allocate land surface model arrays
955	IF ( land_surface ) THEN
956	CALL lsm_init_arrays
957	ENDIF
958
959	!
960	!-- Allocate wind turbine model arrays
961	IF ( wind_turbine ) THEN
962	CALL wtm_init_arrays
963	ENDIF
964
965	!
966	!-- Initialize virtual flight measurements
967	IF ( virtual_flight ) THEN
968	CALL flight_init
969	ENDIF
970
971	!
972	!-- Initialize nudging if required
973	IF ( nudging ) THEN
974	CALL nudge_init
975	ENDIF
976
977	!
978	!-- Initialize reading of large scale forcing from external file - if required
979	IF ( large_scale_forcing ) THEN
980	CALL lsf_init
981	ENDIF
982
983	!
984	!-- Allocate arrays containing the RK coefficient for calculation of
985	!-- perturbation pressure and turbulent fluxes. At this point values are
986	!-- set for pressure calculation during initialization (where no timestep
987	!-- is done). Further below the values needed within the timestep scheme
988	!-- will be set.
989	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
990	weight_pres(1:intermediate_timestep_count_max) )
991	weight_substep = 1.0_wp
992	weight_pres = 1.0_wp
993	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
994
995	CALL location_message( 'finished', .TRUE. )
996
997	!
998	!-- Initialize local summation arrays for routine flow_statistics.
999	!-- This is necessary because they may not yet have been initialized when they
1000	!-- are called from flow_statistics (or - depending on the chosen model run -
1001	!-- are never initialized)
1002	sums_divnew_l = 0.0_wp
1003	sums_divold_l = 0.0_wp
1004	sums_l_l = 0.0_wp
1005	sums_wsts_bc_l = 0.0_wp
1006
1007	!
1008	!-- Initialize model variables
1009	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1010	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1011	!
1012	!-- First model run of a possible job queue.
1013	!-- Initial profiles of the variables must be computes.
1014	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
1015
1016	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
1017	!
1018	!-- Use solutions of the 1D model as initial profiles,
1019	!-- start 1D model
1020	CALL init_1d_model
1021	!
1022	!-- Transfer initial profiles to the arrays of the 3D model
1023	DO i = nxlg, nxrg
1024	DO j = nysg, nyng
1025	e(:,j,i) = e1d
1026	kh(:,j,i) = kh1d
1027	km(:,j,i) = km1d
1028	pt(:,j,i) = pt_init
1029	u(:,j,i) = u1d
1030	v(:,j,i) = v1d
1031	ENDDO
1032	ENDDO
1033
1034	IF ( humidity ) THEN
1035	DO i = nxlg, nxrg
1036	DO j = nysg, nyng
1037	q(:,j,i) = q_init
1038	ENDDO
1039	ENDDO
1040	IF ( cloud_physics .AND. microphysics_morrison ) THEN
1041	DO i = nxlg, nxrg
1042	DO j = nysg, nyng
1043	qc(:,j,i) = 0.0_wp
1044	nc(:,j,i) = 0.0_wp
1045	ENDDO
1046	ENDDO
1047	ENDIF
1048	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1049	DO i = nxlg, nxrg
1050	DO j = nysg, nyng
1051	qr(:,j,i) = 0.0_wp
1052	nr(:,j,i) = 0.0_wp
1053	ENDDO
1054	ENDDO
1055	ENDIF
1056	ENDIF
1057
1058	IF ( passive_scalar ) THEN
1059	DO i = nxlg, nxrg
1060	DO j = nysg, nyng
1061	s(:,j,i) = s_init
1062	ENDDO
1063	ENDDO
1064	ENDIF
1065
1066	IF ( .NOT. constant_diffusion ) THEN
1067	DO i = nxlg, nxrg
1068	DO j = nysg, nyng
1069	e(:,j,i) = e1d
1070	ENDDO
1071	ENDDO
1072	!
1073	!-- Store initial profiles for output purposes etc.
1074	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
1075
1076	ELSE
1077	e = 0.0_wp ! must be set, because used in
1078	ENDIF
1079	!
1080	!-- Inside buildings set velocities back to zero
1081	IF ( topography /= 'flat' ) THEN
1082	DO i = nxlg, nxrg
1083	DO j = nysg, nyng
1084	DO k = nzb, nzt
1085	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1086	BTEST( wall_flags_0(k,j,i), 1 ) )
1087	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1088	BTEST( wall_flags_0(k,j,i), 2 ) )
1089	ENDDO
1090	ENDDO
1091	ENDDO
1092
1093	!
1094	!-- WARNING: The extra boundary conditions set after running the
1095	!-- ------- 1D model impose an error on the divergence one layer
1096	!-- below the topography; need to correct later
1097	!-- ATTENTION: Provisional correction for Piacsek & Williams
1098	!-- --------- advection scheme: keep u and v zero one layer below
1099	!-- the topography.
1100	IF ( ibc_uv_b == 1 ) THEN
1101	!
1102	!-- Neumann condition
1103	DO i = nxl-1, nxr+1
1104	DO j = nys-1, nyn+1
1105	u(nzb,j,i) = u(nzb+1,j,i)
1106	v(nzb,j,i) = v(nzb+1,j,i)
1107	ENDDO
1108	ENDDO
1109
1110	ENDIF
1111
1112	ENDIF
1113
1114	CALL location_message( 'finished', .TRUE. )
1115
1116	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
1117	THEN
1118
1119	CALL location_message( 'initializing with constant profiles', .FALSE. )
1120	!
1121	!-- Overwrite initial profiles in case of synthetic turbulence generator
1122	IF( use_synthetic_turbulence_generator ) THEN
1123	CALL stg_init
1124	ENDIF
1125
1126	!
1127	!-- Use constructed initial profiles (velocity constant with height,
1128	!-- temperature profile with constant gradient)
1129	DO i = nxlg, nxrg
1130	DO j = nysg, nyng
1131	pt(:,j,i) = pt_init
1132	u(:,j,i) = u_init
1133	v(:,j,i) = v_init
1134	ENDDO
1135	ENDDO
1136
1137	!
1138	!-- Set initial horizontal velocities at the lowest computational grid
1139	!-- levels to zero in order to avoid too small time steps caused by the
1140	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
1141	!-- in the limiting formula!).
1142	IF ( ibc_uv_b /= 1 ) THEN
1143	DO i = nxlg, nxrg
1144	DO j = nysg, nyng
1145	DO k = nzb, nzt
1146	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1147	BTEST( wall_flags_0(k,j,i), 20 ) )
1148	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1149	BTEST( wall_flags_0(k,j,i), 21 ) )
1150	ENDDO
1151	ENDDO
1152	ENDDO
1153	ENDIF
1154
1155	IF ( humidity ) THEN
1156	DO i = nxlg, nxrg
1157	DO j = nysg, nyng
1158	q(:,j,i) = q_init
1159	ENDDO
1160	ENDDO
1161	IF ( cloud_physics .AND. microphysics_morrison ) THEN
1162	DO i = nxlg, nxrg
1163	DO j = nysg, nyng
1164	qc(:,j,i) = 0.0_wp
1165	nc(:,j,i) = 0.0_wp
1166	ENDDO
1167	ENDDO
1168	ENDIF
1169
1170	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1171	DO i = nxlg, nxrg
1172	DO j = nysg, nyng
1173	qr(:,j,i) = 0.0_wp
1174	nr(:,j,i) = 0.0_wp
1175	ENDDO
1176	ENDDO
1177	ENDIF
1178
1179	ENDIF
1180
1181	IF ( passive_scalar ) THEN
1182	DO i = nxlg, nxrg
1183	DO j = nysg, nyng
1184	s(:,j,i) = s_init
1185	ENDDO
1186	ENDDO
1187	ENDIF
1188
1189	IF ( ocean ) THEN
1190	DO i = nxlg, nxrg
1191	DO j = nysg, nyng
1192	sa(:,j,i) = sa_init
1193	ENDDO
1194	ENDDO
1195	ENDIF
1196
1197	IF ( constant_diffusion ) THEN
1198	km = km_constant
1199	kh = km / prandtl_number
1200	e = 0.0_wp
1201	ELSEIF ( e_init > 0.0_wp ) THEN
1202	DO k = nzb+1, nzt
1203	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
1204	ENDDO
1205	km(nzb,:,:) = km(nzb+1,:,:)
1206	km(nzt+1,:,:) = km(nzt,:,:)
1207	kh = km / prandtl_number
1208	e = e_init
1209	ELSE
1210	IF ( .NOT. ocean ) THEN
1211	kh = 0.01_wp ! there must exist an initial diffusion, because
1212	km = 0.01_wp ! otherwise no TKE would be produced by the
1213	! production terms, as long as not yet
1214	! e = (u/cm)*2 at k=nzb+1
1215	ELSE
1216	kh = 0.00001_wp
1217	km = 0.00001_wp
1218	ENDIF
1219	e = 0.0_wp
1220	ENDIF
1221	!
1222	!-- Compute initial temperature field and other constants used in case
1223	!-- of a sloping surface
1224	IF ( sloping_surface ) CALL init_slope
1225
1226	CALL location_message( 'finished', .TRUE. )
1227
1228	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
1229	THEN
1230
1231	CALL location_message( 'initializing by user', .FALSE. )
1232	!
1233	!-- Initialization will completely be done by the user
1234	CALL user_init_3d_model
1235
1236	CALL location_message( 'finished', .TRUE. )
1237
1238	ENDIF
1239
1240	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
1241	.FALSE. )
1242
1243	!
1244	!-- Bottom boundary
1245	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
1246	u(nzb,:,:) = 0.0_wp
1247	v(nzb,:,:) = 0.0_wp
1248	ENDIF
1249
1250	!
1251	!-- Apply channel flow boundary condition
1252	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
1253	u(nzt+1,:,:) = 0.0_wp
1254	v(nzt+1,:,:) = 0.0_wp
1255	ENDIF
1256
1257	!
1258	!-- Calculate virtual potential temperature
1259	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
1260
1261	!
1262	!-- Store initial profiles for output purposes etc.
1263	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
1264	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
1265	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
1266	hom(nzb,1,5,:) = 0.0_wp
1267	hom(nzb,1,6,:) = 0.0_wp
1268	ENDIF
1269	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1270	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
1271	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
1272
1273	IF ( ocean ) THEN
1274	!
1275	!-- Store initial salinity profile
1276	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
1277	ENDIF
1278
1279	IF ( humidity ) THEN
1280	!
1281	!-- Store initial profile of total water content, virtual potential
1282	!-- temperature
1283	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1284	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
1285	IF ( cloud_physics .OR. cloud_droplets ) THEN
1286	!
1287	!-- Store initial profile of specific humidity and potential
1288	!-- temperature
1289	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1290	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1291	ENDIF
1292	ENDIF
1293
1294	IF ( passive_scalar ) THEN
1295	!
1296	!-- Store initial scalar profile
1297	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
1298	ENDIF
1299
1300	!
1301	!-- Initialize the random number generators (from numerical recipes)
1302	CALL random_function_ini
1303
1304	IF ( random_generator == 'random-parallel' ) THEN
1305	CALL init_parallel_random_generator(nx, ny, nys, nyn, nxl, nxr)
1306	ENDIF
1307	!
1308	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
1309	!-- the reference state will be set (overwritten) in init_ocean)
1310	IF ( use_single_reference_value ) THEN
1311	IF ( .NOT. humidity ) THEN
1312	ref_state(:) = pt_reference
1313	ELSE
1314	ref_state(:) = vpt_reference
1315	ENDIF
1316	ELSE
1317	IF ( .NOT. humidity ) THEN
1318	ref_state(:) = pt_init(:)
1319	ELSE
1320	ref_state(:) = vpt(:,nys,nxl)
1321	ENDIF
1322	ENDIF
1323
1324	!
1325	!-- For the moment, vertical velocity is zero
1326	w = 0.0_wp
1327
1328	!
1329	!-- Initialize array sums (must be defined in first call of pres)
1330	sums = 0.0_wp
1331
1332	!
1333	!-- In case of iterative solvers, p must get an initial value
1334	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1335
1336	!
1337	!-- Treating cloud physics, liquid water content and precipitation amount
1338	!-- are zero at beginning of the simulation
1339	IF ( cloud_physics ) THEN
1340	ql = 0.0_wp
1341	qc = 0.0_wp
1342
1343	precipitation_amount = 0.0_wp
1344	ENDIF
1345	!
1346	!-- Impose vortex with vertical axis on the initial velocity profile
1347	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1348	CALL init_rankine
1349	ENDIF
1350
1351	!
1352	!-- Impose temperature anomaly (advection test only)
1353	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
1354	CALL init_pt_anomaly
1355	ENDIF
1356
1357	!
1358	!-- If required, change the surface temperature at the start of the 3D run
1359	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1360	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1361	ENDIF
1362
1363	!
1364	!-- If required, change the surface humidity/scalar at the start of the 3D
1365	!-- run
1366	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
1367	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1368
1369	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
1370	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
1371
1372
1373	!
1374	!-- Initialize old and new time levels.
1375	te_m = 0.0_wp; tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1376	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1377
1378	IF ( humidity ) THEN
1379	tq_m = 0.0_wp
1380	q_p = q
1381	IF ( cloud_physics .AND. microphysics_morrison ) THEN
1382	tqc_m = 0.0_wp
1383	qc_p = qc
1384	tnc_m = 0.0_wp
1385	nc_p = nc
1386	ENDIF
1387	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1388	tqr_m = 0.0_wp
1389	qr_p = qr
1390	tnr_m = 0.0_wp
1391	nr_p = nr
1392	ENDIF
1393	ENDIF
1394
1395	IF ( passive_scalar ) THEN
1396	ts_m = 0.0_wp
1397	s_p = s
1398	ENDIF
1399
1400	IF ( ocean ) THEN
1401	tsa_m = 0.0_wp
1402	sa_p = sa
1403	ENDIF
1404
1405	CALL location_message( 'finished', .TRUE. )
1406
1407	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1408	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1409	THEN
1410
1411	CALL location_message( 'initializing in case of restart / cyclic_fill', &
1412	.FALSE. )
1413	!
1414	!-- Initialize surface elements and its attributes, e.g. heat- and
1415	!-- momentumfluxes, roughness, scaling parameters. As number of surface
1416	!-- elements might be different between runs, e.g. in case of cyclic fill,
1417	!-- and not all surface elements are read, surface elements need to be
1418	!-- initialized before.
1419	CALL init_surfaces
1420	!
1421	!-- When reading data for cyclic fill of 3D prerun data files, read
1422	!-- some of the global variables from the restart file which are required
1423	!-- for initializing the inflow
1424	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1425
1426	DO i = 0, io_blocks-1
1427	IF ( i == io_group ) THEN
1428	CALL read_parts_of_var_list
1429	CALL close_file( 13 )
1430	ENDIF
1431	#if defined( __parallel )
1432	CALL MPI_BARRIER( comm2d, ierr )
1433	#endif
1434	ENDDO
1435
1436	ENDIF
1437
1438	!
1439	!-- Read binary data from restart file
1440	DO i = 0, io_blocks-1
1441	IF ( i == io_group ) THEN
1442	CALL read_3d_binary
1443	ENDIF
1444	#if defined( __parallel )
1445	CALL MPI_BARRIER( comm2d, ierr )
1446	#endif
1447	ENDDO
1448
1449	!
1450	!-- Initialization of the turbulence recycling method
1451	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1452	turbulent_inflow ) THEN
1453	!
1454	!-- First store the profiles to be used at the inflow.
1455	!-- These profiles are the (temporally) and horizontally averaged vertical
1456	!-- profiles from the prerun. Alternatively, prescribed profiles
1457	!-- for u,v-components can be used.
1458	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
1459
1460	IF ( use_prescribed_profile_data ) THEN
1461	mean_inflow_profiles(:,1) = u_init ! u
1462	mean_inflow_profiles(:,2) = v_init ! v
1463	ELSE
1464	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1465	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1466	ENDIF
1467	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1468	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
1469	IF ( humidity ) &
1470	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
1471	IF ( passive_scalar ) &
1472	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
1473
1474	!
1475	!-- If necessary, adjust the horizontal flow field to the prescribed
1476	!-- profiles
1477	IF ( use_prescribed_profile_data ) THEN
1478	DO i = nxlg, nxrg
1479	DO j = nysg, nyng
1480	DO k = nzb, nzt+1
1481	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1482	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1483	ENDDO
1484	ENDDO
1485	ENDDO
1486	ENDIF
1487
1488	!
1489	!-- Use these mean profiles at the inflow (provided that Dirichlet
1490	!-- conditions are used)
1491	IF ( inflow_l ) THEN
1492	DO j = nysg, nyng
1493	DO k = nzb, nzt+1
1494	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1495	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1496	w(k,j,nxlg:-1) = 0.0_wp
1497	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1498	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
1499	IF ( humidity ) &
1500	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
1501	IF ( passive_scalar ) &
1502	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
1503	ENDDO
1504	ENDDO
1505	ENDIF
1506
1507	!
1508	!-- Calculate the damping factors to be used at the inflow. For a
1509	!-- turbulent inflow the turbulent fluctuations have to be limited
1510	!-- vertically because otherwise the turbulent inflow layer will grow
1511	!-- in time.
1512	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1513	!
1514	!-- Default: use the inversion height calculated by the prerun; if
1515	!-- this is zero, inflow_damping_height must be explicitly
1516	!-- specified.
1517	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1518	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1519	ELSE
1520	WRITE( message_string, * ) 'inflow_damping_height must be ', &
1521	'explicitly specified because&the inversion height ', &
1522	'calculated by the prerun is zero.'
1523	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1524	ENDIF
1525
1526	ENDIF
1527
1528	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1529	!
1530	!-- Default for the transition range: one tenth of the undamped
1531	!-- layer
1532	inflow_damping_width = 0.1_wp * inflow_damping_height
1533
1534	ENDIF
1535
1536	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1537
1538	DO k = nzb, nzt+1
1539
1540	IF ( zu(k) <= inflow_damping_height ) THEN
1541	inflow_damping_factor(k) = 1.0_wp
1542	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1543	inflow_damping_factor(k) = 1.0_wp - &
1544	( zu(k) - inflow_damping_height ) / &
1545	inflow_damping_width
1546	ELSE
1547	inflow_damping_factor(k) = 0.0_wp
1548	ENDIF
1549
1550	ENDDO
1551
1552	ENDIF
1553
1554	!
1555	!-- Inside buildings set velocities and TKE back to zero
1556	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1557	topography /= 'flat' ) THEN
1558	!
1559	!-- Inside buildings set velocities and TKE back to zero.
1560	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
1561	!-- maybe revise later.
1562	DO i = nxlg, nxrg
1563	DO j = nysg, nyng
1564	DO k = nzb, nzt
1565	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1566	BTEST( wall_flags_0(k,j,i), 1 ) )
1567	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1568	BTEST( wall_flags_0(k,j,i), 2 ) )
1569	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, &
1570	BTEST( wall_flags_0(k,j,i), 3 ) )
1571	e(k,j,i) = MERGE( e(k,j,i), 0.0_wp, &
1572	BTEST( wall_flags_0(k,j,i), 0 ) )
1573	tu_m(k,j,i) = MERGE( tu_m(k,j,i), 0.0_wp, &
1574	BTEST( wall_flags_0(k,j,i), 1 ) )
1575	tv_m(k,j,i) = MERGE( tv_m(k,j,i), 0.0_wp, &
1576	BTEST( wall_flags_0(k,j,i), 2 ) )
1577	tw_m(k,j,i) = MERGE( tw_m(k,j,i), 0.0_wp, &
1578	BTEST( wall_flags_0(k,j,i), 3 ) )
1579	te_m(k,j,i) = MERGE( te_m(k,j,i), 0.0_wp, &
1580	BTEST( wall_flags_0(k,j,i), 0 ) )
1581	tpt_m(k,j,i) = MERGE( tpt_m(k,j,i), 0.0_wp, &
1582	BTEST( wall_flags_0(k,j,i), 0 ) )
1583	ENDDO
1584	ENDDO
1585	ENDDO
1586
1587	ENDIF
1588
1589	!
1590	!-- Calculate initial temperature field and other constants used in case
1591	!-- of a sloping surface
1592	IF ( sloping_surface ) CALL init_slope
1593
1594	!
1595	!-- Initialize new time levels (only done in order to set boundary values
1596	!-- including ghost points)
1597	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1598	IF ( humidity ) THEN
1599	q_p = q
1600	IF ( cloud_physics .AND. microphysics_morrison ) THEN
1601	qc_p = qc
1602	nc_p = nc
1603	ENDIF
1604	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1605	qr_p = qr
1606	nr_p = nr
1607	ENDIF
1608	ENDIF
1609	IF ( passive_scalar ) s_p = s
1610	IF ( ocean ) sa_p = sa
1611
1612	!
1613	!-- Allthough tendency arrays are set in prognostic_equations, they have
1614	!-- have to be predefined here because they are used (but multiplied with 0)
1615	!-- there before they are set.
1616	te_m = 0.0_wp; tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1617	IF ( humidity ) THEN
1618	tq_m = 0.0_wp
1619	IF ( cloud_physics .AND. microphysics_morrison ) THEN
1620	tqc_m = 0.0_wp
1621	tnc_m = 0.0_wp
1622	ENDIF
1623	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1624	tqr_m = 0.0_wp
1625	tnr_m = 0.0_wp
1626	ENDIF
1627	ENDIF
1628	IF ( passive_scalar ) ts_m = 0.0_wp
1629	IF ( ocean ) tsa_m = 0.0_wp
1630	!
1631	!-- Initialize synthetic turbulence generator in case of restart.
1632	IF ( TRIM( initializing_actions ) == 'read_restart_data' .AND. &
1633	use_synthetic_turbulence_generator ) CALL stg_init
1634
1635	CALL location_message( 'finished', .TRUE. )
1636
1637	ELSE
1638	!
1639	!-- Actually this part of the programm should not be reached
1640	message_string = 'unknown initializing problem'
1641	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1642	ENDIF
1643
1644
1645	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1646	!
1647	!-- Initialize old timelevels needed for radiation boundary conditions
1648	IF ( outflow_l ) THEN
1649	u_m_l(:,:,:) = u(:,:,1:2)
1650	v_m_l(:,:,:) = v(:,:,0:1)
1651	w_m_l(:,:,:) = w(:,:,0:1)
1652	ENDIF
1653	IF ( outflow_r ) THEN
1654	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1655	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1656	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1657	ENDIF
1658	IF ( outflow_s ) THEN
1659	u_m_s(:,:,:) = u(:,0:1,:)
1660	v_m_s(:,:,:) = v(:,1:2,:)
1661	w_m_s(:,:,:) = w(:,0:1,:)
1662	ENDIF
1663	IF ( outflow_n ) THEN
1664	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1665	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1666	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1667	ENDIF
1668
1669	ENDIF
1670
1671	!
1672	!-- Calculate the initial volume flow at the right and north boundary
1673	IF ( conserve_volume_flow ) THEN
1674
1675	IF ( use_prescribed_profile_data ) THEN
1676
1677	volume_flow_initial_l = 0.0_wp
1678	volume_flow_area_l = 0.0_wp
1679
1680	IF ( nxr == nx ) THEN
1681	DO j = nys, nyn
1682	DO k = nzb+1, nzt
1683	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1684	u_init(k) * dzw(k) &
1685	* MERGE( 1.0_wp, 0.0_wp, &
1686	BTEST( wall_flags_0(k,j,nxr), 1 )&
1687	)
1688
1689	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1690	* MERGE( 1.0_wp, 0.0_wp, &
1691	BTEST( wall_flags_0(k,j,nxr), 1 )&
1692	)
1693	ENDDO
1694	ENDDO
1695	ENDIF
1696
1697	IF ( nyn == ny ) THEN
1698	DO i = nxl, nxr
1699	DO k = nzb+1, nzt
1700	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1701	v_init(k) * dzw(k) &
1702	* MERGE( 1.0_wp, 0.0_wp, &
1703	BTEST( wall_flags_0(k,nyn,i), 2 )&
1704	)
1705	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1706	* MERGE( 1.0_wp, 0.0_wp, &
1707	BTEST( wall_flags_0(k,nyn,i), 2 )&
1708	)
1709	ENDDO
1710	ENDDO
1711	ENDIF
1712
1713	#if defined( __parallel )
1714	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1715	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1716	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1717	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1718
1719	#else
1720	volume_flow_initial = volume_flow_initial_l
1721	volume_flow_area = volume_flow_area_l
1722	#endif
1723
1724	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1725
1726	volume_flow_initial_l = 0.0_wp
1727	volume_flow_area_l = 0.0_wp
1728
1729	IF ( nxr == nx ) THEN
1730	DO j = nys, nyn
1731	DO k = nzb+1, nzt
1732	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1733	hom_sum(k,1,0) * dzw(k) &
1734	* MERGE( 1.0_wp, 0.0_wp, &
1735	BTEST( wall_flags_0(k,j,nx), 1 ) &
1736	)
1737	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1738	* MERGE( 1.0_wp, 0.0_wp, &
1739	BTEST( wall_flags_0(k,j,nx), 1 ) &
1740	)
1741	ENDDO
1742	ENDDO
1743	ENDIF
1744
1745	IF ( nyn == ny ) THEN
1746	DO i = nxl, nxr
1747	DO k = nzb+1, nzt
1748	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1749	hom_sum(k,2,0) * dzw(k) &
1750	* MERGE( 1.0_wp, 0.0_wp, &
1751	BTEST( wall_flags_0(k,ny,i), 2 ) &
1752	)
1753	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1754	* MERGE( 1.0_wp, 0.0_wp, &
1755	BTEST( wall_flags_0(k,ny,i), 2 ) &
1756	)
1757	ENDDO
1758	ENDDO
1759	ENDIF
1760
1761	#if defined( __parallel )
1762	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1763	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1764	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1765	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1766
1767	#else
1768	volume_flow_initial = volume_flow_initial_l
1769	volume_flow_area = volume_flow_area_l
1770	#endif
1771
1772	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1773
1774	volume_flow_initial_l = 0.0_wp
1775	volume_flow_area_l = 0.0_wp
1776
1777	IF ( nxr == nx ) THEN
1778	DO j = nys, nyn
1779	DO k = nzb+1, nzt
1780	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1781	u(k,j,nx) * dzw(k) &
1782	* MERGE( 1.0_wp, 0.0_wp, &
1783	BTEST( wall_flags_0(k,j,nx), 1 ) &
1784	)
1785	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1786	* MERGE( 1.0_wp, 0.0_wp, &
1787	BTEST( wall_flags_0(k,j,nx), 1 ) &
1788	)
1789	ENDDO
1790	ENDDO
1791	ENDIF
1792
1793	IF ( nyn == ny ) THEN
1794	DO i = nxl, nxr
1795	DO k = nzb+1, nzt
1796	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1797	v(k,ny,i) * dzw(k) &
1798	* MERGE( 1.0_wp, 0.0_wp, &
1799	BTEST( wall_flags_0(k,ny,i), 2 ) &
1800	)
1801	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1802	* MERGE( 1.0_wp, 0.0_wp, &
1803	BTEST( wall_flags_0(k,ny,i), 2 ) &
1804	)
1805	ENDDO
1806	ENDDO
1807	ENDIF
1808
1809	#if defined( __parallel )
1810	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1811	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1812	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1813	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1814
1815	#else
1816	volume_flow_initial = volume_flow_initial_l
1817	volume_flow_area = volume_flow_area_l
1818	#endif
1819
1820	ENDIF
1821
1822	!
1823	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
1824	!-- from u\|v_bulk instead
1825	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1826	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1827	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1828	ENDIF
1829
1830	ENDIF
1831	!
1832	!-- Initialize surface elements and its attributes, e.g. heat- and
1833	!-- momentumfluxes, roughness, scaling parameters.
1834	!-- This is already done in case of restart data.
1835	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1836	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1837	CALL init_surfaces
1838	!
1839	!-- Finally, if random_heatflux is set, disturb shf at horizontal
1840	!-- surfaces. Actually, this should be done in surface_mod, where all other
1841	!-- initializations of surface quantities are done. However, this
1842	!-- would create a ring dependency, hence, it is done here. Maybe delete
1843	!-- disturb_heatflux and tranfer the respective code directly into the
1844	!-- initialization in surface_mod.
1845	IF ( use_surface_fluxes .AND. constant_heatflux .AND. &
1846	random_heatflux ) THEN
1847	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
1848	IF ( surf_lsm_h%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h )
1849	IF ( surf_usm_h%ns >= 1 ) CALL disturb_heatflux( surf_usm_h )
1850	ENDIF
1851	ENDIF
1852
1853	!
1854	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
1855	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
1856	IF ( large_scale_forcing .AND. lsf_surf ) THEN
1857	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
1858	CALL ls_forcing_surf ( simulated_time )
1859	ENDIF
1860	ENDIF
1861	!
1862	!-- Initialize quantities for special advections schemes
1863	CALL init_advec
1864
1865	!
1866	!-- Impose random perturbation on the horizontal velocity field and then
1867	!-- remove the divergences from the velocity field at the initial stage
1868	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
1869	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1870	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1871
1872	CALL location_message( 'creating initial disturbances', .FALSE. )
1873	CALL disturb_field( 'u', tend, u )
1874	CALL disturb_field( 'v', tend, v )
1875	CALL location_message( 'finished', .TRUE. )
1876
1877	CALL location_message( 'calling pressure solver', .FALSE. )
1878	n_sor = nsor_ini
1879	CALL pres
1880	n_sor = nsor
1881	CALL location_message( 'finished', .TRUE. )
1882
1883	ENDIF
1884
1885	!
1886	!-- If required, initialize quantities needed for the plant canopy model
1887	IF ( plant_canopy ) THEN
1888	CALL location_message( 'initializing plant canopy model', .FALSE. )
1889	CALL pcm_init
1890	CALL location_message( 'finished', .TRUE. )
1891	ENDIF
1892
1893	!
1894	!-- If required, initialize dvrp-software
1895	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
1896
1897	IF ( ocean ) THEN
1898	!
1899	!-- Initialize quantities needed for the ocean model
1900	CALL init_ocean
1901
1902	ELSE
1903	!
1904	!-- Initialize quantities for handling cloud physics
1905	!-- This routine must be called before lpm_init, because
1906	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
1907	!-- lpm_init) is not defined.
1908	CALL init_cloud_physics
1909	!
1910	!-- Initialize bulk cloud microphysics
1911	CALL microphysics_init
1912	ENDIF
1913
1914	!
1915	!-- If required, initialize particles
1916	IF ( particle_advection ) CALL lpm_init
1917
1918	!
1919	!-- If required, initialize quantities needed for the LSM
1920	IF ( land_surface ) THEN
1921	CALL location_message( 'initializing land surface model', .FALSE. )
1922	CALL lsm_init
1923	CALL location_message( 'finished', .TRUE. )
1924	ENDIF
1925
1926	!
1927	!-- Initialize surface layer (done after LSM as roughness length are required
1928	!-- for initialization
1929	IF ( constant_flux_layer ) THEN
1930	CALL location_message( 'initializing surface layer', .FALSE. )
1931	CALL init_surface_layer_fluxes
1932	CALL location_message( 'finished', .TRUE. )
1933	ENDIF
1934
1935	!
1936	!-- If required, initialize radiation model
1937	IF ( radiation ) THEN
1938	CALL location_message( 'initializing radiation model', .FALSE. )
1939	CALL radiation_init
1940	CALL location_message( 'finished', .TRUE. )
1941	ENDIF
1942
1943
1944	!
1945	!-- Temporary solution to add LSM and radiation time series to the default
1946	!-- output
1947	IF ( land_surface .OR. radiation ) THEN
1948	IF ( TRIM( radiation_scheme ) == 'rrtmg' ) THEN
1949	dots_num = dots_num + 15
1950	ELSE
1951	dots_num = dots_num + 11
1952	ENDIF
1953	ENDIF
1954
1955	!
1956	!-- If required, initialize urban surface model
1957	IF ( urban_surface ) THEN
1958	CALL location_message( 'initializing urban surface model', .FALSE. )
1959	CALL usm_init_urban_surface
1960	CALL location_message( 'finished', .TRUE. )
1961	ENDIF
1962
1963	!
1964	!-- If required, initialize quantities needed for the wind turbine model
1965	IF ( wind_turbine ) THEN
1966	CALL location_message( 'initializing wind turbine model', .FALSE. )
1967	CALL wtm_init
1968	CALL location_message( 'finished', .TRUE. )
1969	ENDIF
1970
1971
1972	!
1973	!-- Initialize the ws-scheme.
1974	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1975
1976	!
1977	!-- Setting weighting factors for calculation of perturbation pressure
1978	!-- and turbulent quantities from the RK substeps
1979	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
1980
1981	weight_substep(1) = 1._wp/6._wp
1982	weight_substep(2) = 3._wp/10._wp
1983	weight_substep(3) = 8._wp/15._wp
1984
1985	weight_pres(1) = 1._wp/3._wp
1986	weight_pres(2) = 5._wp/12._wp
1987	weight_pres(3) = 1._wp/4._wp
1988
1989	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
1990
1991	weight_substep(1) = 1._wp/2._wp
1992	weight_substep(2) = 1._wp/2._wp
1993
1994	weight_pres(1) = 1._wp/2._wp
1995	weight_pres(2) = 1._wp/2._wp
1996
1997	ELSE ! for Euler-method
1998
1999	weight_substep(1) = 1.0_wp
2000	weight_pres(1) = 1.0_wp
2001
2002	ENDIF
2003
2004	!
2005	!-- Initialize Rayleigh damping factors
2006	rdf = 0.0_wp
2007	rdf_sc = 0.0_wp
2008	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
2009	IF ( .NOT. ocean ) THEN
2010	DO k = nzb+1, nzt
2011	IF ( zu(k) >= rayleigh_damping_height ) THEN
2012	rdf(k) = rayleigh_damping_factor * &
2013	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
2014	/ ( zu(nzt) - rayleigh_damping_height ) ) &
2015	)**2
2016	ENDIF
2017	ENDDO
2018	ELSE
2019	DO k = nzt, nzb+1, -1
2020	IF ( zu(k) <= rayleigh_damping_height ) THEN
2021	rdf(k) = rayleigh_damping_factor * &
2022	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
2023	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
2024	)**2
2025	ENDIF
2026	ENDDO
2027	ENDIF
2028	ENDIF
2029	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
2030
2031	!
2032	!-- Initialize the starting level and the vertical smoothing factor used for
2033	!-- the external pressure gradient
2034	dp_smooth_factor = 1.0_wp
2035	IF ( dp_external ) THEN
2036	!
2037	!-- Set the starting level dp_level_ind_b only if it has not been set before
2038	!-- (e.g. in init_grid).
2039	IF ( dp_level_ind_b == 0 ) THEN
2040	ind_array = MINLOC( ABS( dp_level_b - zu ) )
2041	dp_level_ind_b = ind_array(1) - 1 + nzb
2042	! MINLOC uses lower array bound 1
2043	ENDIF
2044	IF ( dp_smooth ) THEN
2045	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
2046	DO k = dp_level_ind_b+1, nzt
2047	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
2048	( REAL( k - dp_level_ind_b, KIND=wp ) / &
2049	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
2050	ENDDO
2051	ENDIF
2052	ENDIF
2053
2054	!
2055	!-- Initialize damping zone for the potential temperature in case of
2056	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
2057	!-- at the inflow boundary and decreases to zero at pt_damping_width.
2058	ptdf_x = 0.0_wp
2059	ptdf_y = 0.0_wp
2060	IF ( bc_lr_dirrad ) THEN
2061	DO i = nxl, nxr
2062	IF ( ( i * dx ) < pt_damping_width ) THEN
2063	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
2064	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
2065	REAL( pt_damping_width, KIND=wp ) ) ) )**2
2066	ENDIF
2067	ENDDO
2068	ELSEIF ( bc_lr_raddir ) THEN
2069	DO i = nxl, nxr
2070	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
2071	ptdf_x(i) = pt_damping_factor * &
2072	SIN( pi * 0.5_wp * &
2073	( ( i - nx ) * dx + pt_damping_width ) / &
2074	REAL( pt_damping_width, KIND=wp ) )**2
2075	ENDIF
2076	ENDDO
2077	ELSEIF ( bc_ns_dirrad ) THEN
2078	DO j = nys, nyn
2079	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
2080	ptdf_y(j) = pt_damping_factor * &
2081	SIN( pi * 0.5_wp * &
2082	( ( j - ny ) * dy + pt_damping_width ) / &
2083	REAL( pt_damping_width, KIND=wp ) )**2
2084	ENDIF
2085	ENDDO
2086	ELSEIF ( bc_ns_raddir ) THEN
2087	DO j = nys, nyn
2088	IF ( ( j * dy ) < pt_damping_width ) THEN
2089	ptdf_y(j) = pt_damping_factor * &
2090	SIN( pi * 0.5_wp * &
2091	( pt_damping_width - j * dy ) / &
2092	REAL( pt_damping_width, KIND=wp ) )**2
2093	ENDIF
2094	ENDDO
2095	ENDIF
2096
2097	!
2098	!-- Pre-set masks for regional statistics. Default is the total model domain.
2099	!-- Ghost points are excluded because counting values at the ghost boundaries
2100	!-- would bias the statistics
2101	rmask = 1.0_wp
2102	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
2103	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
2104
2105	!
2106	!-- User-defined initializing actions. Check afterwards, if maximum number
2107	!-- of allowed timeseries is exceeded
2108	CALL user_init
2109
2110	IF ( dots_num > dots_max ) THEN
2111	WRITE( message_string, * ) 'number of time series quantities exceeds', &
2112	' its maximum of dots_max = ', dots_max, &
2113	' &Please increase dots_max in modules.f90.'
2114	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
2115	ENDIF
2116
2117	!
2118	!-- Input binary data file is not needed anymore. This line must be placed
2119	!-- after call of user_init!
2120	CALL close_file( 13 )
2121
2122	!
2123	!-- Compute total sum of active mask grid points
2124	!-- and the mean surface level height for each statistic region
2125	!-- ngp_2dh: number of grid points of a horizontal cross section through the
2126	!-- total domain
2127	!-- ngp_3d: number of grid points of the total domain
2128	ngp_2dh_outer_l = 0
2129	ngp_2dh_outer = 0
2130	ngp_2dh_s_inner_l = 0
2131	ngp_2dh_s_inner = 0
2132	ngp_2dh_l = 0
2133	ngp_2dh = 0
2134	ngp_3d_inner_l = 0.0_wp
2135	ngp_3d_inner = 0
2136	ngp_3d = 0
2137	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
2138
2139	mean_surface_level_height = 0.0_wp
2140	mean_surface_level_height_l = 0.0_wp
2141
2142	!
2143	!-- To do: New concept for these non-topography grid points!
2144	DO sr = 0, statistic_regions
2145	DO i = nxl, nxr
2146	DO j = nys, nyn
2147	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
2148	!
2149	!-- All xy-grid points
2150	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
2151	!
2152	!-- Determine mean surface-level height. In case of downward-
2153	!-- facing walls are present, more than one surface level exist.
2154	!-- In this case, use the lowest surface-level height.
2155	IF ( surf_def_h(0)%start_index(j,i) <= &
2156	surf_def_h(0)%end_index(j,i) ) THEN
2157	m = surf_def_h(0)%start_index(j,i)
2158	k = surf_def_h(0)%k(m)
2159	mean_surface_level_height_l(sr) = &
2160	mean_surface_level_height_l(sr) + zw(k-1)
2161	ENDIF
2162	IF ( surf_lsm_h%start_index(j,i) <= &
2163	surf_lsm_h%end_index(j,i) ) THEN
2164	m = surf_lsm_h%start_index(j,i)
2165	k = surf_lsm_h%k(m)
2166	mean_surface_level_height_l(sr) = &
2167	mean_surface_level_height_l(sr) + zw(k-1)
2168	ENDIF
2169	IF ( surf_usm_h%start_index(j,i) <= &
2170	surf_usm_h%end_index(j,i) ) THEN
2171	m = surf_usm_h%start_index(j,i)
2172	k = surf_usm_h%k(m)
2173	mean_surface_level_height_l(sr) = &
2174	mean_surface_level_height_l(sr) + zw(k-1)
2175	ENDIF
2176
2177	k_surf = k - 1
2178
2179	DO k = nzb, nzt+1
2180	!
2181	!-- xy-grid points above topography
2182	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
2183	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 24 ) )
2184
2185	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
2186	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 22 ) )
2187
2188	ENDDO
2189	!
2190	!-- All grid points of the total domain above topography
2191	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
2192
2193
2194
2195	ENDIF
2196	ENDDO
2197	ENDDO
2198	ENDDO
2199
2200	sr = statistic_regions + 1
2201	#if defined( __parallel )
2202	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2203	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
2204	comm2d, ierr )
2205	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2206	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
2207	MPI_INTEGER, MPI_SUM, comm2d, ierr )
2208	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2209	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
2210	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
2211	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2212	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
2213	MPI_SUM, comm2d, ierr )
2214	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
2215	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2216	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
2217	mean_surface_level_height(0), sr, MPI_REAL, &
2218	MPI_SUM, comm2d, ierr )
2219	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
2220	#else
2221	ngp_2dh = ngp_2dh_l
2222	ngp_2dh_outer = ngp_2dh_outer_l
2223	ngp_2dh_s_inner = ngp_2dh_s_inner_l
2224	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
2225	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
2226	#endif
2227
2228	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
2229	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
2230
2231	!
2232	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
2233	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
2234	!-- the respective subdomain lie below the surface topography
2235	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
2236	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
2237	ngp_3d_inner(:) )
2238	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
2239
2240	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
2241	ngp_3d_inner_l, ngp_3d_inner_tmp )
2242
2243	CALL location_message( 'leaving init_3d_model', .TRUE. )
2244
2245	END SUBROUTINE init_3d_model

Note: See TracBrowser for help on using the repository browser.

Download in other formats:

| Impressum | ©Leibniz Universität Hannover |