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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2271

Last change on this file since 2271 was 2270, checked in by maronga, 7 years ago

major revisions in land surface model

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/palm/branches/forwind/SOURCE/init_3d_model.f90 1564-1913

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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 2270 2017-06-09 12:18:47Z sward $
27	! dots_num must be increased when LSM and/or radiation is used
28	!
29	! 2259 2017-06-08 09:09:11Z gronemeier
30	! Implemented synthetic turbulence generator
31	!
32	! 2252 2017-06-07 09:35:37Z knoop
33	! rho_air now depending on surface_pressure even in Boussinesq mode
34	!
35	! 2233 2017-05-30 18:08:54Z suehring
36	!
37	! 2232 2017-05-30 17:47:52Z suehring
38	! Adjustments to new topography and surface concept:
39	! - Modify passed parameters for disturb_field
40	! - Topography representation via flags
41	! - Remove unused arrays.
42	! - Move initialization of surface-related quantities to surface_mod
43	!
44	! 2172 2017-03-08 15:55:25Z knoop
45	! Bugfix: moved parallel random generator initialization into its module
46	!
47	! 2118 2017-01-17 16:38:49Z raasch
48	! OpenACC directives removed
49	!
50	! 2037 2016-10-26 11:15:40Z knoop
51	! Anelastic approximation implemented
52	!
53	! 2031 2016-10-21 15:11:58Z knoop
54	! renamed variable rho to rho_ocean
55	!
56	! 2011 2016-09-19 17:29:57Z kanani
57	! Flag urban_surface is now defined in module control_parameters.
58	!
59	! 2007 2016-08-24 15:47:17Z kanani
60	! Added support for urban surface model,
61	! adjusted location_message in case of plant_canopy
62	!
63	! 2000 2016-08-20 18:09:15Z knoop
64	! Forced header and separation lines into 80 columns
65	!
66	! 1992 2016-08-12 15:14:59Z suehring
67	! Initializaton of scalarflux at model top
68	! Bugfixes in initialization of surface and top salinity flux, top scalar and
69	! humidity fluxes
70	!
71	! 1960 2016-07-12 16:34:24Z suehring
72	! Separate humidity and passive scalar
73	! Increase dimension for mean_inflow_profiles
74	! Remove inadvertent write-statement
75	! Bugfix, large-scale forcing is still not implemented for passive scalars
76	!
77	! 1957 2016-07-07 10:43:48Z suehring
78	! flight module added
79	!
80	! 1920 2016-05-30 10:50:15Z suehring
81	! Initialize us with very small number to avoid segmentation fault during
82	! calculation of Obukhov length
83	!
84	! 1918 2016-05-27 14:35:57Z raasch
85	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
86	! bugfix: initialization of local sum arrays are moved to the beginning of the
87	! routine because otherwise results from pres are overwritten
88	!
89	! 1914 2016-05-26 14:44:07Z witha
90	! Added initialization of the wind turbine model
91	!
92	! 1878 2016-04-19 12:30:36Z hellstea
93	! The zeroth element of weight_pres removed as unnecessary
94	!
95	! 1849 2016-04-08 11:33:18Z hoffmann
96	! Adapted for modularization of microphysics.
97	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
98	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
99	! microphysics_init.
100	!
101	! 1845 2016-04-08 08:29:13Z raasch
102	! nzb_2d replaced by nzb_u\|v_inner
103	!
104	! 1833 2016-04-07 14:23:03Z raasch
105	! initialization of spectra quantities moved to spectra_mod
106	!
107	! 1831 2016-04-07 13:15:51Z hoffmann
108	! turbulence renamed collision_turbulence
109	!
110	! 1826 2016-04-07 12:01:39Z maronga
111	! Renamed radiation calls.
112	! Renamed canopy model calls.
113	!
114	! 1822 2016-04-07 07:49:42Z hoffmann
115	! icloud_scheme replaced by microphysics_*
116	!
117	! 1817 2016-04-06 15:44:20Z maronga
118	! Renamed lsm calls.
119	!
120	! 1815 2016-04-06 13:49:59Z raasch
121	! zero-settings for velocities inside topography re-activated (was deactivated
122	! in r1762)
123	!
124	! 1788 2016-03-10 11:01:04Z maronga
125	! Added z0q.
126	! Syntax layout improved.
127	!
128	! 1783 2016-03-06 18:36:17Z raasch
129	! netcdf module name changed + related changes
130	!
131	! 1764 2016-02-28 12:45:19Z raasch
132	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
133	!
134	! 1762 2016-02-25 12:31:13Z hellstea
135	! Introduction of nested domain feature
136	!
137	! 1738 2015-12-18 13:56:05Z raasch
138	! calculate mean surface level height for each statistic region
139	!
140	! 1734 2015-12-02 12:17:12Z raasch
141	! no initial disturbances in case that the disturbance energy limit has been
142	! set zero
143	!
144	! 1707 2015-11-02 15:24:52Z maronga
145	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
146	! devision by zero in neutral stratification
147	!
148	! 1691 2015-10-26 16:17:44Z maronga
149	! Call to init_surface_layer added. rif is replaced by ol and zeta.
150	!
151	! 1682 2015-10-07 23:56:08Z knoop
152	! Code annotations made doxygen readable
153	!
154	! 1615 2015-07-08 18:49:19Z suehring
155	! Enable turbulent inflow for passive_scalar and humidity
156	!
157	! 1585 2015-04-30 07:05:52Z maronga
158	! Initialization of radiation code is now done after LSM initializtion
159	!
160	! 1575 2015-03-27 09:56:27Z raasch
161	! adjustments for psolver-queries
162	!
163	! 1551 2015-03-03 14:18:16Z maronga
164	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
165	! which is part of land_surface_model.
166	!
167	! 1507 2014-12-10 12:14:18Z suehring
168	! Bugfix: set horizontal velocity components to zero inside topography
169	!
170	! 1496 2014-12-02 17:25:50Z maronga
171	! Added initialization of the land surface and radiation schemes
172	!
173	! 1484 2014-10-21 10:53:05Z kanani
174	! Changes due to new module structure of the plant canopy model:
175	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
176	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
177	! call of subroutine init_plant_canopy added.
178	!
179	! 1431 2014-07-15 14:47:17Z suehring
180	! var_d added, in order to normalize spectra.
181	!
182	! 1429 2014-07-15 12:53:45Z knoop
183	! Ensemble run capability added to parallel random number generator
184	!
185	! 1411 2014-05-16 18:01:51Z suehring
186	! Initial horizontal velocity profiles were not set to zero at the first vertical
187	! grid level in case of non-cyclic lateral boundary conditions.
188	!
189	! 1406 2014-05-16 13:47:01Z raasch
190	! bugfix: setting of initial velocities at k=1 to zero not in case of a
191	! no-slip boundary condition for uv
192	!
193	! 1402 2014-05-09 14:25:13Z raasch
194	! location messages modified
195	!
196	! 1400 2014-05-09 14:03:54Z knoop
197	! Parallel random number generator added
198	!
199	! 1384 2014-05-02 14:31:06Z raasch
200	! location messages added
201	!
202	! 1361 2014-04-16 15:17:48Z hoffmann
203	! tend_* removed
204	! Bugfix: w_subs is not allocated anymore if it is already allocated
205	!
206	! 1359 2014-04-11 17:15:14Z hoffmann
207	! module lpm_init_mod added to use statements, because lpm_init has become a
208	! module
209	!
210	! 1353 2014-04-08 15:21:23Z heinze
211	! REAL constants provided with KIND-attribute
212	!
213	! 1340 2014-03-25 19:45:13Z kanani
214	! REAL constants defined as wp-kind
215	!
216	! 1322 2014-03-20 16:38:49Z raasch
217	! REAL constants defined as wp-kind
218	! module interfaces removed
219	!
220	! 1320 2014-03-20 08:40:49Z raasch
221	! ONLY-attribute added to USE-statements,
222	! kind-parameters added to all INTEGER and REAL declaration statements,
223	! kinds are defined in new module kinds,
224	! revision history before 2012 removed,
225	! comment fields (!:) to be used for variable explanations added to
226	! all variable declaration statements
227	!
228	! 1316 2014-03-17 07:44:59Z heinze
229	! Bugfix: allocation of w_subs
230	!
231	! 1299 2014-03-06 13:15:21Z heinze
232	! Allocate w_subs due to extension of large scale subsidence in combination
233	! with large scale forcing data (LSF_DATA)
234	!
235	! 1241 2013-10-30 11:36:58Z heinze
236	! Overwrite initial profiles in case of nudging
237	! Inititialize shf and qsws in case of large_scale_forcing
238	!
239	! 1221 2013-09-10 08:59:13Z raasch
240	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
241	! copy
242	!
243	! 1212 2013-08-15 08:46:27Z raasch
244	! array tri is allocated and included in data copy statement
245	!
246	! 1195 2013-07-01 12:27:57Z heinze
247	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
248	!
249	! 1179 2013-06-14 05:57:58Z raasch
250	! allocate and set ref_state to be used in buoyancy terms
251	!
252	! 1171 2013-05-30 11:27:45Z raasch
253	! diss array is allocated with full size if accelerator boards are used
254	!
255	! 1159 2013-05-21 11:58:22Z fricke
256	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
257	!
258	! 1153 2013-05-10 14:33:08Z raasch
259	! diss array is allocated with dummy elements even if it is not needed
260	! (required by PGI 13.4 / CUDA 5.0)
261	!
262	! 1115 2013-03-26 18:16:16Z hoffmann
263	! unused variables removed
264	!
265	! 1113 2013-03-10 02:48:14Z raasch
266	! openACC directive modified
267	!
268	! 1111 2013-03-08 23:54:10Z raasch
269	! openACC directives added for pres
270	! array diss allocated only if required
271	!
272	! 1092 2013-02-02 11:24:22Z raasch
273	! unused variables removed
274	!
275	! 1065 2012-11-22 17:42:36Z hoffmann
276	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
277	!
278	! 1053 2012-11-13 17:11:03Z hoffmann
279	! allocation and initialisation of necessary data arrays for the two-moment
280	! cloud physics scheme the two new prognostic equations (nr, qr):
281	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
282	! +tend_*, prr
283	!
284	! 1036 2012-10-22 13:43:42Z raasch
285	! code put under GPL (PALM 3.9)
286	!
287	! 1032 2012-10-21 13:03:21Z letzel
288	! save memory by not allocating pt_2 in case of neutral = .T.
289	!
290	! 1025 2012-10-07 16:04:41Z letzel
291	! bugfix: swap indices of mask for ghost boundaries
292	!
293	! 1015 2012-09-27 09:23:24Z raasch
294	! mask is set to zero for ghost boundaries
295	!
296	! 1010 2012-09-20 07:59:54Z raasch
297	! cpp switch __nopointer added for pointer free version
298	!
299	! 1003 2012-09-14 14:35:53Z raasch
300	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
301	!
302	! 1001 2012-09-13 14:08:46Z raasch
303	! all actions concerning leapfrog scheme removed
304	!
305	! 996 2012-09-07 10:41:47Z raasch
306	! little reformatting
307	!
308	! 978 2012-08-09 08:28:32Z fricke
309	! outflow damping layer removed
310	! roughness length for scalar quantites z0h added
311	! damping zone for the potential temperatur in case of non-cyclic lateral
312	! boundaries added
313	! initialization of ptdf_x, ptdf_y
314	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
315	!
316	! 849 2012-03-15 10:35:09Z raasch
317	! init_particles renamed lpm_init
318	!
319	! 825 2012-02-19 03:03:44Z raasch
320	! wang_collision_kernel renamed wang_kernel
321	!
322	! Revision 1.1 1998/03/09 16:22:22 raasch
323	! Initial revision
324	!
325	!
326	! Description:
327	! ------------
328	!> Allocation of arrays and initialization of the 3D model via
329	!> a) pre-run the 1D model
330	!> or
331	!> b) pre-set constant linear profiles
332	!> or
333	!> c) read values of a previous run
334	!------------------------------------------------------------------------------!
335	SUBROUTINE init_3d_model
336
337
338	USE advec_ws
339
340	USE arrays_3d
341
342	USE cloud_parameters, &
343	ONLY: cp, l_v, r_d
344
345	USE constants, &
346	ONLY: pi
347
348	USE control_parameters
349
350	USE flight_mod, &
351	ONLY: flight_init
352
353	USE grid_variables, &
354	ONLY: dx, dy, ddx2_mg, ddy2_mg
355
356	USE indices
357
358	USE lpm_init_mod, &
359	ONLY: lpm_init
360
361	USE kinds
362
363	USE land_surface_model_mod, &
364	ONLY: lsm_init, lsm_init_arrays
365
366	USE ls_forcing_mod
367
368	USE microphysics_mod, &
369	ONLY: collision_turbulence, microphysics_init
370
371	USE model_1d, &
372	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
373
374	USE netcdf_interface, &
375	ONLY: dots_max, dots_num
376
377	USE particle_attributes, &
378	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
379
380	USE pegrid
381
382	USE plant_canopy_model_mod, &
383	ONLY: pcm_init, plant_canopy
384
385	USE radiation_model_mod, &
386	ONLY: radiation_init, radiation, radiation_scheme
387
388	USE random_function_mod
389
390	USE random_generator_parallel, &
391	ONLY: init_parallel_random_generator
392
393	USE statistics, &
394	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
395	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
396	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
397	weight_pres, weight_substep
398
399	USE synthetic_turbulence_generator_mod, &
400	ONLY: stg_init, use_synthetic_turbulence_generator
401
402	USE surface_layer_fluxes_mod, &
403	ONLY: init_surface_layer_fluxes
404
405	USE surface_mod, &
406	ONLY : init_surface_arrays, init_surfaces, surf_def_h, surf_lsm_h, &
407	surf_usm_h
408
409	USE transpose_indices
410
411	USE urban_surface_mod, &
412	ONLY: usm_init_urban_surface
413
414	USE wind_turbine_model_mod, &
415	ONLY: wtm_init, wtm_init_arrays, wind_turbine
416
417	IMPLICIT NONE
418
419	INTEGER(iwp) :: i !<
420	INTEGER(iwp) :: ind_array(1) !<
421	INTEGER(iwp) :: j !<
422	INTEGER(iwp) :: k !<
423	INTEGER(iwp) :: k_surf !< surface level index
424	INTEGER(iwp) :: m !< index of surface element in surface data type
425	INTEGER(iwp) :: sr !< index of statistic region
426
427	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
428
429	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
430	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
431
432	REAL(wp) :: t_surface !< air temperature at the surface
433
434	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
435
436	INTEGER(iwp) :: l !< loop variable
437	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
438	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
439	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
440
441	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
442	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
443
444	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
445	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
446	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
447
448
449	CALL location_message( 'allocating arrays', .FALSE. )
450	!
451	!-- Allocate arrays
452	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
453	mean_surface_level_height_l(0:statistic_regions), &
454	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
455	ngp_3d(0:statistic_regions), &
456	ngp_3d_inner(0:statistic_regions), &
457	ngp_3d_inner_l(0:statistic_regions), &
458	ngp_3d_inner_tmp(0:statistic_regions), &
459	sums_divnew_l(0:statistic_regions), &
460	sums_divold_l(0:statistic_regions) )
461	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
462	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
463	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
464	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
465	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
466	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
467	sums(nzb:nzt+1,pr_palm+max_pr_user), &
468	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
469	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
470	sums_up_fraction_l(10,3,0:statistic_regions), &
471	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
472	ts_value(dots_max,0:statistic_regions) )
473	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
474
475	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
476	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
477	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
478	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
479	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
480
481	#if defined( __nopointer )
482	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
483	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
484	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
485	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
486	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
487	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
488	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
489	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
490	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
491	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
492	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
493	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
494	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
495	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
496	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
497	#else
498	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
499	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
500	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
501	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
502	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
503	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
504	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
505	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
506	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
507	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
508	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
509	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
510	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
511	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
512	IF ( .NOT. neutral ) THEN
513	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
514	ENDIF
515	#endif
516
517	!
518	!-- Following array is required for perturbation pressure within the iterative
519	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
520	!-- the weighted average of the substeps and cannot be used in the Poisson
521	!-- solver.
522	IF ( psolver == 'sor' ) THEN
523	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
524	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
525	!
526	!-- For performance reasons, multigrid is using one ghost layer only
527	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
528	ENDIF
529
530	!
531	!-- Array for storing constant coeffficients of the tridiagonal solver
532	IF ( psolver == 'poisfft' ) THEN
533	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
534	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
535	ENDIF
536
537	IF ( humidity ) THEN
538	!
539	!-- 3D-humidity
540	#if defined( __nopointer )
541	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
542	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
543	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
544	#else
545	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
546	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
547	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
548	#endif
549
550	!
551	!-- 3D-arrays needed for humidity
552	IF ( humidity ) THEN
553	#if defined( __nopointer )
554	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
555	#else
556	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
557	#endif
558
559	IF ( cloud_physics ) THEN
560
561	!
562	!-- Liquid water content
563	#if defined( __nopointer )
564	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
565	#else
566	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
567	#endif
568	!
569	!-- Precipitation amount and rate (only needed if output is switched)
570	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
571	precipitation_rate(nysg:nyng,nxlg:nxrg) )
572
573	!
574	!-- 3D-cloud water content
575	#if defined( __nopointer )
576	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
577	#else
578	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
579	#endif
580	!
581	!-- 3d-precipitation rate
582	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
583
584	IF ( microphysics_seifert ) THEN
585	!
586	!-- 3D-rain water content, rain drop concentration arrays
587	#if defined( __nopointer )
588	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
589	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
590	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
591	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
592	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
593	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
594	#else
595	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
596	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
597	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
598	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
599	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
600	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
601	#endif
602	ENDIF
603
604	ENDIF
605
606	IF ( cloud_droplets ) THEN
607	!
608	!-- Liquid water content, change in liquid water content
609	#if defined( __nopointer )
610	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
611	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
612	#else
613	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
614	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
615	#endif
616	!
617	!-- Real volume of particles (with weighting), volume of particles
618	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
619	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
620	ENDIF
621
622	ENDIF
623
624	ENDIF
625
626
627	IF ( passive_scalar ) THEN
628
629	!
630	!-- 3D scalar arrays
631	#if defined( __nopointer )
632	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
633	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
634	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
635	#else
636	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
637	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
638	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
639	#endif
640	ENDIF
641
642	IF ( ocean ) THEN
643	#if defined( __nopointer )
644	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
645	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
646	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
647	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
648	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
649	#else
650	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
651	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
652	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
653	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
654	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
655	prho => prho_1
656	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
657	! density to be apointer
658	#endif
659	ENDIF
660
661	!
662	!-- Allocation of anelastic and Boussinesq approximation specific arrays
663	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
664	ALLOCATE( rho_air(nzb:nzt+1) )
665	ALLOCATE( rho_air_zw(nzb:nzt+1) )
666	ALLOCATE( drho_air(nzb:nzt+1) )
667	ALLOCATE( drho_air_zw(nzb:nzt+1) )
668
669	!
670	!-- Density profile calculation for anelastic approximation
671	t_surface = pt_surface * ( surface_pressure / 1000.0_wp )**( r_d / cp )
672	IF ( TRIM( approximation ) == 'anelastic' ) THEN
673	DO k = nzb, nzt+1
674	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
675	( 1 - ( g * zu(k) ) / ( cp * t_surface ) &
676	)**( cp / r_d )
677	rho_air(k) = ( p_hydrostatic(k) * &
678	( 100000.0_wp / p_hydrostatic(k) &
679	)**( r_d / cp ) &
680	) / ( r_d * pt_init(k) )
681	ENDDO
682	DO k = nzb, nzt
683	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
684	ENDDO
685	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
686	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
687	ELSE
688	DO k = nzb, nzt+1
689	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
690	( 1 - ( g * zu(nzb) ) / ( cp * t_surface ) &
691	)**( cp / r_d )
692	rho_air(k) = ( p_hydrostatic(k) * &
693	( 100000.0_wp / p_hydrostatic(k) &
694	)**( r_d / cp ) &
695	) / ( r_d * pt_init(nzb) )
696	ENDDO
697	DO k = nzb, nzt
698	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
699	ENDDO
700	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
701	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
702	ENDIF
703
704	!-- compute the inverse density array in order to avoid expencive divisions
705	drho_air = 1.0_wp / rho_air
706	drho_air_zw = 1.0_wp / rho_air_zw
707
708	!
709	!-- Allocation of flux conversion arrays
710	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
711	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
712	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
713	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
714	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
715	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
716
717	!
718	!-- calculate flux conversion factors according to approximation and in-/output mode
719	DO k = nzb, nzt+1
720
721	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
722	heatflux_input_conversion(k) = rho_air_zw(k)
723	waterflux_input_conversion(k) = rho_air_zw(k)
724	momentumflux_input_conversion(k) = rho_air_zw(k)
725	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
726	heatflux_input_conversion(k) = 1.0_wp / cp
727	waterflux_input_conversion(k) = 1.0_wp / l_v
728	momentumflux_input_conversion(k) = 1.0_wp
729	ENDIF
730
731	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
732	heatflux_output_conversion(k) = drho_air_zw(k)
733	waterflux_output_conversion(k) = drho_air_zw(k)
734	momentumflux_output_conversion(k) = drho_air_zw(k)
735	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
736	heatflux_output_conversion(k) = cp
737	waterflux_output_conversion(k) = l_v
738	momentumflux_output_conversion(k) = 1.0_wp
739	ENDIF
740
741	IF ( .NOT. humidity ) THEN
742	waterflux_input_conversion(k) = 1.0_wp
743	waterflux_output_conversion(k) = 1.0_wp
744	ENDIF
745
746	ENDDO
747
748	!
749	!-- In case of multigrid method, compute grid lengths and grid factors for the
750	!-- grid levels with respective density on each grid
751	IF ( psolver(1:9) == 'multigrid' ) THEN
752
753	ALLOCATE( ddx2_mg(maximum_grid_level) )
754	ALLOCATE( ddy2_mg(maximum_grid_level) )
755	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
756	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
757	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
758	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
759	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
760	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
761	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
762
763	dzu_mg(:,maximum_grid_level) = dzu
764	rho_air_mg(:,maximum_grid_level) = rho_air
765	!
766	!-- Next line to ensure an equally spaced grid.
767	dzu_mg(1,maximum_grid_level) = dzu(2)
768	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
769	(rho_air(nzb) - rho_air(nzb+1))
770
771	dzw_mg(:,maximum_grid_level) = dzw
772	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
773	nzt_l = nzt
774	DO l = maximum_grid_level-1, 1, -1
775	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
776	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
777	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
778	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))
779	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
780	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
781	nzt_l = nzt_l / 2
782	DO k = 2, nzt_l+1
783	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
784	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
785	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
786	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
787	ENDDO
788	ENDDO
789
790	nzt_l = nzt
791	dx_l = dx
792	dy_l = dy
793	DO l = maximum_grid_level, 1, -1
794	ddx2_mg(l) = 1.0_wp / dx_l**2
795	ddy2_mg(l) = 1.0_wp / dy_l**2
796	DO k = nzb+1, nzt_l
797	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
798	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
799	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
800	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
801	ENDDO
802	nzt_l = nzt_l / 2
803	dx_l = dx_l * 2.0_wp
804	dy_l = dy_l * 2.0_wp
805	ENDDO
806
807	ENDIF
808
809	!
810	!-- 3D-array for storing the dissipation, needed for calculating the sgs
811	!-- particle velocities
812	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence )&
813	THEN
814	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
815	ENDIF
816
817	!
818	!-- 1D-array for large scale subsidence velocity
819	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
820	ALLOCATE ( w_subs(nzb:nzt+1) )
821	w_subs = 0.0_wp
822	ENDIF
823
824	!
825	!-- Arrays to store velocity data from t-dt and the phase speeds which
826	!-- are needed for radiation boundary conditions
827	IF ( outflow_l ) THEN
828	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
829	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
830	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
831	ENDIF
832	IF ( outflow_r ) THEN
833	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
834	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
835	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
836	ENDIF
837	IF ( outflow_l .OR. outflow_r ) THEN
838	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
839	c_w(nzb:nzt+1,nysg:nyng) )
840	ENDIF
841	IF ( outflow_s ) THEN
842	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
843	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
844	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
845	ENDIF
846	IF ( outflow_n ) THEN
847	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
848	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
849	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
850	ENDIF
851	IF ( outflow_s .OR. outflow_n ) THEN
852	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
853	c_w(nzb:nzt+1,nxlg:nxrg) )
854	ENDIF
855	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
856	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
857	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
858	ENDIF
859
860
861	#if ! defined( __nopointer )
862	!
863	!-- Initial assignment of the pointers
864	e => e_1; e_p => e_2; te_m => e_3
865	IF ( .NOT. neutral ) THEN
866	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
867	ELSE
868	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
869	ENDIF
870	u => u_1; u_p => u_2; tu_m => u_3
871	v => v_1; v_p => v_2; tv_m => v_3
872	w => w_1; w_p => w_2; tw_m => w_3
873
874	IF ( humidity ) THEN
875	q => q_1; q_p => q_2; tq_m => q_3
876	IF ( humidity ) THEN
877	vpt => vpt_1
878	IF ( cloud_physics ) THEN
879	ql => ql_1
880	qc => qc_1
881	IF ( microphysics_seifert ) THEN
882	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
883	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
884	ENDIF
885	ENDIF
886	ENDIF
887	IF ( cloud_droplets ) THEN
888	ql => ql_1
889	ql_c => ql_2
890	ENDIF
891	ENDIF
892
893	IF ( passive_scalar ) THEN
894	s => s_1; s_p => s_2; ts_m => s_3
895	ENDIF
896
897	IF ( ocean ) THEN
898	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
899	ENDIF
900	#endif
901	!
902	!-- Initialize wall arrays
903	CALL init_surface_arrays
904	!
905	!-- Allocate land surface model arrays
906	IF ( land_surface ) THEN
907	CALL lsm_init_arrays
908	ENDIF
909
910	!
911	!-- Allocate wind turbine model arrays
912	IF ( wind_turbine ) THEN
913	CALL wtm_init_arrays
914	ENDIF
915
916	!
917	!-- Initialize virtual flight measurements
918	IF ( virtual_flight ) THEN
919	CALL flight_init
920	ENDIF
921
922	!
923	!-- Allocate arrays containing the RK coefficient for calculation of
924	!-- perturbation pressure and turbulent fluxes. At this point values are
925	!-- set for pressure calculation during initialization (where no timestep
926	!-- is done). Further below the values needed within the timestep scheme
927	!-- will be set.
928	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
929	weight_pres(1:intermediate_timestep_count_max) )
930	weight_substep = 1.0_wp
931	weight_pres = 1.0_wp
932	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
933
934	CALL location_message( 'finished', .TRUE. )
935
936	!
937	!-- Initialize local summation arrays for routine flow_statistics.
938	!-- This is necessary because they may not yet have been initialized when they
939	!-- are called from flow_statistics (or - depending on the chosen model run -
940	!-- are never initialized)
941	sums_divnew_l = 0.0_wp
942	sums_divold_l = 0.0_wp
943	sums_l_l = 0.0_wp
944	sums_up_fraction_l = 0.0_wp
945	sums_wsts_bc_l = 0.0_wp
946
947	!
948	!-- Initialize model variables
949	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
950	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
951	!
952	!-- First model run of a possible job queue.
953	!-- Initial profiles of the variables must be computes.
954	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
955
956	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
957	!
958	!-- Use solutions of the 1D model as initial profiles,
959	!-- start 1D model
960	CALL init_1d_model
961	!
962	!-- Transfer initial profiles to the arrays of the 3D model
963	DO i = nxlg, nxrg
964	DO j = nysg, nyng
965	e(:,j,i) = e1d
966	kh(:,j,i) = kh1d
967	km(:,j,i) = km1d
968	pt(:,j,i) = pt_init
969	u(:,j,i) = u1d
970	v(:,j,i) = v1d
971	ENDDO
972	ENDDO
973
974	IF ( humidity ) THEN
975	DO i = nxlg, nxrg
976	DO j = nysg, nyng
977	q(:,j,i) = q_init
978	ENDDO
979	ENDDO
980	IF ( cloud_physics .AND. microphysics_seifert ) THEN
981	DO i = nxlg, nxrg
982	DO j = nysg, nyng
983	qr(:,j,i) = 0.0_wp
984	nr(:,j,i) = 0.0_wp
985	ENDDO
986	ENDDO
987
988	ENDIF
989	ENDIF
990	IF ( passive_scalar ) THEN
991	DO i = nxlg, nxrg
992	DO j = nysg, nyng
993	s(:,j,i) = s_init
994	ENDDO
995	ENDDO
996	ENDIF
997
998	IF ( .NOT. constant_diffusion ) THEN
999	DO i = nxlg, nxrg
1000	DO j = nysg, nyng
1001	e(:,j,i) = e1d
1002	ENDDO
1003	ENDDO
1004	!
1005	!-- Store initial profiles for output purposes etc.
1006	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
1007
1008	ELSE
1009	e = 0.0_wp ! must be set, because used in
1010	ENDIF
1011	!
1012	!-- Inside buildings set velocities back to zero
1013	IF ( topography /= 'flat' ) THEN
1014	DO i = nxlg, nxrg
1015	DO j = nysg, nyng
1016	DO k = nzb, nzt
1017	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1018	BTEST( wall_flags_0(k,j,i), 1 ) )
1019	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1020	BTEST( wall_flags_0(k,j,i), 2 ) )
1021	ENDDO
1022	ENDDO
1023	ENDDO
1024
1025	!
1026	!-- WARNING: The extra boundary conditions set after running the
1027	!-- ------- 1D model impose an error on the divergence one layer
1028	!-- below the topography; need to correct later
1029	!-- ATTENTION: Provisional correction for Piacsek & Williams
1030	!-- --------- advection scheme: keep u and v zero one layer below
1031	!-- the topography.
1032	IF ( ibc_uv_b == 1 ) THEN
1033	!
1034	!-- Neumann condition
1035	DO i = nxl-1, nxr+1
1036	DO j = nys-1, nyn+1
1037	u(nzb,j,i) = u(nzb+1,j,i)
1038	v(nzb,j,i) = v(nzb+1,j,i)
1039	ENDDO
1040	ENDDO
1041
1042	ENDIF
1043
1044	ENDIF
1045
1046	CALL location_message( 'finished', .TRUE. )
1047
1048	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
1049	THEN
1050
1051	CALL location_message( 'initializing with constant profiles', .FALSE. )
1052	!
1053	!-- Overwrite initial profiles in case of nudging
1054	IF ( nudging ) THEN
1055	pt_init = ptnudge(:,1)
1056	u_init = unudge(:,1)
1057	v_init = vnudge(:,1)
1058	IF ( humidity ) THEN ! is passive_scalar correct???
1059	q_init = qnudge(:,1)
1060	ENDIF
1061
1062	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
1063	'scalars from NUDGING_DATA are used.'
1064	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
1065	ENDIF
1066
1067	!
1068	!-- Overwrite initial profiles in case of synthetic turbulence generator
1069	IF( use_synthetic_turbulence_generator ) THEN
1070	CALL stg_init
1071	ENDIF
1072
1073	!
1074	!-- Use constructed initial profiles (velocity constant with height,
1075	!-- temperature profile with constant gradient)
1076	DO i = nxlg, nxrg
1077	DO j = nysg, nyng
1078	pt(:,j,i) = pt_init
1079	u(:,j,i) = u_init
1080	v(:,j,i) = v_init
1081	ENDDO
1082	ENDDO
1083
1084	!
1085	!-- Set initial horizontal velocities at the lowest computational grid
1086	!-- levels to zero in order to avoid too small time steps caused by the
1087	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
1088	!-- in the limiting formula!).
1089	IF ( ibc_uv_b /= 1 ) THEN
1090	DO i = nxlg, nxrg
1091	DO j = nysg, nyng
1092	DO k = nzb, nzt
1093	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1094	BTEST( wall_flags_0(k,j,i), 20 ) )
1095	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1096	BTEST( wall_flags_0(k,j,i), 21 ) )
1097	ENDDO
1098	ENDDO
1099	ENDDO
1100	ENDIF
1101
1102	IF ( humidity ) THEN
1103	DO i = nxlg, nxrg
1104	DO j = nysg, nyng
1105	q(:,j,i) = q_init
1106	ENDDO
1107	ENDDO
1108	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1109
1110	DO i = nxlg, nxrg
1111	DO j = nysg, nyng
1112	qr(:,j,i) = 0.0_wp
1113	nr(:,j,i) = 0.0_wp
1114	ENDDO
1115	ENDDO
1116
1117	ENDIF
1118	ENDIF
1119
1120	IF ( passive_scalar ) THEN
1121	DO i = nxlg, nxrg
1122	DO j = nysg, nyng
1123	s(:,j,i) = s_init
1124	ENDDO
1125	ENDDO
1126	ENDIF
1127
1128	IF ( ocean ) THEN
1129	DO i = nxlg, nxrg
1130	DO j = nysg, nyng
1131	sa(:,j,i) = sa_init
1132	ENDDO
1133	ENDDO
1134	ENDIF
1135
1136	IF ( constant_diffusion ) THEN
1137	km = km_constant
1138	kh = km / prandtl_number
1139	e = 0.0_wp
1140	ELSEIF ( e_init > 0.0_wp ) THEN
1141	DO k = nzb+1, nzt
1142	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
1143	ENDDO
1144	km(nzb,:,:) = km(nzb+1,:,:)
1145	km(nzt+1,:,:) = km(nzt,:,:)
1146	kh = km / prandtl_number
1147	e = e_init
1148	ELSE
1149	IF ( .NOT. ocean ) THEN
1150	kh = 0.01_wp ! there must exist an initial diffusion, because
1151	km = 0.01_wp ! otherwise no TKE would be produced by the
1152	! production terms, as long as not yet
1153	! e = (u/cm)*2 at k=nzb+1
1154	ELSE
1155	kh = 0.00001_wp
1156	km = 0.00001_wp
1157	ENDIF
1158	e = 0.0_wp
1159	ENDIF
1160	!
1161	!-- Compute initial temperature field and other constants used in case
1162	!-- of a sloping surface
1163	IF ( sloping_surface ) CALL init_slope
1164
1165	CALL location_message( 'finished', .TRUE. )
1166
1167	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
1168	THEN
1169
1170	CALL location_message( 'initializing by user', .FALSE. )
1171	!
1172	!-- Initialization will completely be done by the user
1173	CALL user_init_3d_model
1174
1175	CALL location_message( 'finished', .TRUE. )
1176
1177	ENDIF
1178
1179	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
1180	.FALSE. )
1181
1182	!
1183	!-- Bottom boundary
1184	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
1185	u(nzb,:,:) = 0.0_wp
1186	v(nzb,:,:) = 0.0_wp
1187	ENDIF
1188
1189	!
1190	!-- Apply channel flow boundary condition
1191	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
1192	u(nzt+1,:,:) = 0.0_wp
1193	v(nzt+1,:,:) = 0.0_wp
1194	ENDIF
1195
1196	!
1197	!-- Calculate virtual potential temperature
1198	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
1199
1200	!
1201	!-- Store initial profiles for output purposes etc.
1202	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
1203	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
1204	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
1205	hom(nzb,1,5,:) = 0.0_wp
1206	hom(nzb,1,6,:) = 0.0_wp
1207	ENDIF
1208	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1209	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
1210	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
1211
1212	IF ( ocean ) THEN
1213	!
1214	!-- Store initial salinity profile
1215	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
1216	ENDIF
1217
1218	IF ( humidity ) THEN
1219	!
1220	!-- Store initial profile of total water content, virtual potential
1221	!-- temperature
1222	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1223	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
1224	IF ( cloud_physics .OR. cloud_droplets ) THEN
1225	!
1226	!-- Store initial profile of specific humidity and potential
1227	!-- temperature
1228	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1229	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1230	ENDIF
1231	ENDIF
1232
1233	IF ( passive_scalar ) THEN
1234	!
1235	!-- Store initial scalar profile
1236	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
1237	ENDIF
1238
1239	!
1240	!-- Initialize the random number generators (from numerical recipes)
1241	CALL random_function_ini
1242
1243	IF ( random_generator == 'random-parallel' ) THEN
1244	CALL init_parallel_random_generator(nx, ny, nys, nyn, nxl, nxr)
1245	ENDIF
1246	!
1247	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
1248	!-- the reference state will be set (overwritten) in init_ocean)
1249	IF ( use_single_reference_value ) THEN
1250	IF ( .NOT. humidity ) THEN
1251	ref_state(:) = pt_reference
1252	ELSE
1253	ref_state(:) = vpt_reference
1254	ENDIF
1255	ELSE
1256	IF ( .NOT. humidity ) THEN
1257	ref_state(:) = pt_init(:)
1258	ELSE
1259	ref_state(:) = vpt(:,nys,nxl)
1260	ENDIF
1261	ENDIF
1262
1263	!
1264	!-- For the moment, vertical velocity is zero
1265	w = 0.0_wp
1266
1267	!
1268	!-- Initialize array sums (must be defined in first call of pres)
1269	sums = 0.0_wp
1270
1271	!
1272	!-- In case of iterative solvers, p must get an initial value
1273	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1274
1275	!
1276	!-- Treating cloud physics, liquid water content and precipitation amount
1277	!-- are zero at beginning of the simulation
1278	IF ( cloud_physics ) THEN
1279	ql = 0.0_wp
1280	qc = 0.0_wp
1281
1282	precipitation_amount = 0.0_wp
1283	ENDIF
1284	!
1285	!-- Impose vortex with vertical axis on the initial velocity profile
1286	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1287	CALL init_rankine
1288	ENDIF
1289
1290	!
1291	!-- Impose temperature anomaly (advection test only)
1292	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
1293	CALL init_pt_anomaly
1294	ENDIF
1295
1296	!
1297	!-- If required, change the surface temperature at the start of the 3D run
1298	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1299	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1300	ENDIF
1301
1302	!
1303	!-- If required, change the surface humidity/scalar at the start of the 3D
1304	!-- run
1305	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
1306	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1307
1308	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
1309	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
1310
1311
1312	!
1313	!-- Initialize old and new time levels.
1314	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
1315	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1316
1317	IF ( humidity ) THEN
1318	tq_m = 0.0_wp
1319	q_p = q
1320	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1321	tqr_m = 0.0_wp
1322	qr_p = qr
1323	tnr_m = 0.0_wp
1324	nr_p = nr
1325	ENDIF
1326	ENDIF
1327
1328	IF ( passive_scalar ) THEN
1329	ts_m = 0.0_wp
1330	s_p = s
1331	ENDIF
1332
1333	IF ( ocean ) THEN
1334	tsa_m = 0.0_wp
1335	sa_p = sa
1336	ENDIF
1337
1338	CALL location_message( 'finished', .TRUE. )
1339
1340	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1341	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1342	THEN
1343
1344	CALL location_message( 'initializing in case of restart / cyclic_fill', &
1345	.FALSE. )
1346	!
1347	!-- Initialize surface elements and its attributes, e.g. heat- and
1348	!-- momentumfluxes, roughness, scaling parameters. As number of surface
1349	!-- elements might be different between runs, e.g. in case of cyclic fill,
1350	!-- and not all surface elements are read, surface elements need to be
1351	!-- initialized before.
1352	CALL init_surfaces
1353	!
1354	!-- When reading data for cyclic fill of 3D prerun data files, read
1355	!-- some of the global variables from the restart file which are required
1356	!-- for initializing the inflow
1357	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1358
1359	DO i = 0, io_blocks-1
1360	IF ( i == io_group ) THEN
1361	CALL read_parts_of_var_list
1362	CALL close_file( 13 )
1363	ENDIF
1364	#if defined( __parallel )
1365	CALL MPI_BARRIER( comm2d, ierr )
1366	#endif
1367	ENDDO
1368
1369	ENDIF
1370
1371	!
1372	!-- Read binary data from restart file
1373	DO i = 0, io_blocks-1
1374	IF ( i == io_group ) THEN
1375	CALL read_3d_binary
1376	ENDIF
1377	#if defined( __parallel )
1378	CALL MPI_BARRIER( comm2d, ierr )
1379	#endif
1380	ENDDO
1381
1382	!
1383	!-- Initialization of the turbulence recycling method
1384	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1385	turbulent_inflow ) THEN
1386	!
1387	!-- First store the profiles to be used at the inflow.
1388	!-- These profiles are the (temporally) and horizontally averaged vertical
1389	!-- profiles from the prerun. Alternatively, prescribed profiles
1390	!-- for u,v-components can be used.
1391	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
1392
1393	IF ( use_prescribed_profile_data ) THEN
1394	mean_inflow_profiles(:,1) = u_init ! u
1395	mean_inflow_profiles(:,2) = v_init ! v
1396	ELSE
1397	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1398	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1399	ENDIF
1400	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1401	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
1402	IF ( humidity ) &
1403	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
1404	IF ( passive_scalar ) &
1405	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
1406
1407	!
1408	!-- If necessary, adjust the horizontal flow field to the prescribed
1409	!-- profiles
1410	IF ( use_prescribed_profile_data ) THEN
1411	DO i = nxlg, nxrg
1412	DO j = nysg, nyng
1413	DO k = nzb, nzt+1
1414	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1415	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1416	ENDDO
1417	ENDDO
1418	ENDDO
1419	ENDIF
1420
1421	!
1422	!-- Use these mean profiles at the inflow (provided that Dirichlet
1423	!-- conditions are used)
1424	IF ( inflow_l ) THEN
1425	DO j = nysg, nyng
1426	DO k = nzb, nzt+1
1427	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1428	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1429	w(k,j,nxlg:-1) = 0.0_wp
1430	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1431	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
1432	IF ( humidity ) &
1433	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
1434	IF ( passive_scalar ) &
1435	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
1436	ENDDO
1437	ENDDO
1438	ENDIF
1439
1440	!
1441	!-- Calculate the damping factors to be used at the inflow. For a
1442	!-- turbulent inflow the turbulent fluctuations have to be limited
1443	!-- vertically because otherwise the turbulent inflow layer will grow
1444	!-- in time.
1445	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1446	!
1447	!-- Default: use the inversion height calculated by the prerun; if
1448	!-- this is zero, inflow_damping_height must be explicitly
1449	!-- specified.
1450	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1451	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1452	ELSE
1453	WRITE( message_string, * ) 'inflow_damping_height must be ', &
1454	'explicitly specified because&the inversion height ', &
1455	'calculated by the prerun is zero.'
1456	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1457	ENDIF
1458
1459	ENDIF
1460
1461	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1462	!
1463	!-- Default for the transition range: one tenth of the undamped
1464	!-- layer
1465	inflow_damping_width = 0.1_wp * inflow_damping_height
1466
1467	ENDIF
1468
1469	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1470
1471	DO k = nzb, nzt+1
1472
1473	IF ( zu(k) <= inflow_damping_height ) THEN
1474	inflow_damping_factor(k) = 1.0_wp
1475	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1476	inflow_damping_factor(k) = 1.0_wp - &
1477	( zu(k) - inflow_damping_height ) / &
1478	inflow_damping_width
1479	ELSE
1480	inflow_damping_factor(k) = 0.0_wp
1481	ENDIF
1482
1483	ENDDO
1484
1485	ENDIF
1486
1487	!
1488	!-- Inside buildings set velocities and TKE back to zero
1489	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1490	topography /= 'flat' ) THEN
1491	!
1492	!-- Inside buildings set velocities and TKE back to zero.
1493	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
1494	!-- maybe revise later.
1495	DO i = nxlg, nxrg
1496	DO j = nysg, nyng
1497	DO k = nzb, nzt
1498	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1499	BTEST( wall_flags_0(k,j,i), 1 ) )
1500	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1501	BTEST( wall_flags_0(k,j,i), 2 ) )
1502	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, &
1503	BTEST( wall_flags_0(k,j,i), 3 ) )
1504	e(k,j,i) = MERGE( e(k,j,i), 0.0_wp, &
1505	BTEST( wall_flags_0(k,j,i), 0 ) )
1506	tu_m(k,j,i) = MERGE( tu_m(k,j,i), 0.0_wp, &
1507	BTEST( wall_flags_0(k,j,i), 1 ) )
1508	tv_m(k,j,i) = MERGE( tv_m(k,j,i), 0.0_wp, &
1509	BTEST( wall_flags_0(k,j,i), 2 ) )
1510	tw_m(k,j,i) = MERGE( tw_m(k,j,i), 0.0_wp, &
1511	BTEST( wall_flags_0(k,j,i), 3 ) )
1512	te_m(k,j,i) = MERGE( te_m(k,j,i), 0.0_wp, &
1513	BTEST( wall_flags_0(k,j,i), 0 ) )
1514	tpt_m(k,j,i) = MERGE( tpt_m(k,j,i), 0.0_wp, &
1515	BTEST( wall_flags_0(k,j,i), 0 ) )
1516	ENDDO
1517	ENDDO
1518	ENDDO
1519
1520	ENDIF
1521
1522	!
1523	!-- Calculate initial temperature field and other constants used in case
1524	!-- of a sloping surface
1525	IF ( sloping_surface ) CALL init_slope
1526
1527	!
1528	!-- Initialize new time levels (only done in order to set boundary values
1529	!-- including ghost points)
1530	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1531	IF ( humidity ) THEN
1532	q_p = q
1533	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1534	qr_p = qr
1535	nr_p = nr
1536	ENDIF
1537	ENDIF
1538	IF ( passive_scalar ) s_p = s
1539	IF ( ocean ) sa_p = sa
1540
1541	!
1542	!-- Allthough tendency arrays are set in prognostic_equations, they have
1543	!-- have to be predefined here because they are used (but multiplied with 0)
1544	!-- there before they are set.
1545	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
1546	IF ( humidity ) THEN
1547	tq_m = 0.0_wp
1548	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1549	tqr_m = 0.0_wp
1550	tnr_m = 0.0_wp
1551	ENDIF
1552	ENDIF
1553	IF ( passive_scalar ) ts_m = 0.0_wp
1554	IF ( ocean ) tsa_m = 0.0_wp
1555	!
1556	!-- Initialize synthetic turbulence generator in case of restart.
1557	IF ( TRIM( initializing_actions ) == 'read_restart_data' .AND. &
1558	use_synthetic_turbulence_generator ) CALL stg_init
1559
1560	CALL location_message( 'finished', .TRUE. )
1561
1562	ELSE
1563	!
1564	!-- Actually this part of the programm should not be reached
1565	message_string = 'unknown initializing problem'
1566	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1567	ENDIF
1568
1569
1570	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1571	!
1572	!-- Initialize old timelevels needed for radiation boundary conditions
1573	IF ( outflow_l ) THEN
1574	u_m_l(:,:,:) = u(:,:,1:2)
1575	v_m_l(:,:,:) = v(:,:,0:1)
1576	w_m_l(:,:,:) = w(:,:,0:1)
1577	ENDIF
1578	IF ( outflow_r ) THEN
1579	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1580	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1581	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1582	ENDIF
1583	IF ( outflow_s ) THEN
1584	u_m_s(:,:,:) = u(:,0:1,:)
1585	v_m_s(:,:,:) = v(:,1:2,:)
1586	w_m_s(:,:,:) = w(:,0:1,:)
1587	ENDIF
1588	IF ( outflow_n ) THEN
1589	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1590	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1591	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1592	ENDIF
1593
1594	ENDIF
1595
1596	!
1597	!-- Calculate the initial volume flow at the right and north boundary
1598	IF ( conserve_volume_flow ) THEN
1599
1600	IF ( use_prescribed_profile_data ) THEN
1601
1602	volume_flow_initial_l = 0.0_wp
1603	volume_flow_area_l = 0.0_wp
1604
1605	IF ( nxr == nx ) THEN
1606	DO j = nys, nyn
1607	DO k = nzb+1, nzt
1608	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1609	u_init(k) * dzw(k) &
1610	* MERGE( 1.0_wp, 0.0_wp, &
1611	BTEST( wall_flags_0(k,j,nxr), 1 )&
1612	)
1613
1614	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1615	* MERGE( 1.0_wp, 0.0_wp, &
1616	BTEST( wall_flags_0(k,j,nxr), 1 )&
1617	)
1618	ENDDO
1619	ENDDO
1620	ENDIF
1621
1622	IF ( nyn == ny ) THEN
1623	DO i = nxl, nxr
1624	DO k = nzb+1, nzt
1625	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1626	v_init(k) * dzw(k) &
1627	* MERGE( 1.0_wp, 0.0_wp, &
1628	BTEST( wall_flags_0(k,nyn,i), 2 )&
1629	)
1630	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1631	* MERGE( 1.0_wp, 0.0_wp, &
1632	BTEST( wall_flags_0(k,nyn,i), 2 )&
1633	)
1634	ENDDO
1635	ENDDO
1636	ENDIF
1637
1638	#if defined( __parallel )
1639	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1640	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1641	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1642	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1643
1644	#else
1645	volume_flow_initial = volume_flow_initial_l
1646	volume_flow_area = volume_flow_area_l
1647	#endif
1648
1649	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1650
1651	volume_flow_initial_l = 0.0_wp
1652	volume_flow_area_l = 0.0_wp
1653
1654	IF ( nxr == nx ) THEN
1655	DO j = nys, nyn
1656	DO k = nzb+1, nzt
1657	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1658	hom_sum(k,1,0) * dzw(k) &
1659	* MERGE( 1.0_wp, 0.0_wp, &
1660	BTEST( wall_flags_0(k,j,nx), 1 ) &
1661	)
1662	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1663	* MERGE( 1.0_wp, 0.0_wp, &
1664	BTEST( wall_flags_0(k,j,nx), 1 ) &
1665	)
1666	ENDDO
1667	ENDDO
1668	ENDIF
1669
1670	IF ( nyn == ny ) THEN
1671	DO i = nxl, nxr
1672	DO k = nzb+1, nzt
1673	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1674	hom_sum(k,2,0) * dzw(k) &
1675	* MERGE( 1.0_wp, 0.0_wp, &
1676	BTEST( wall_flags_0(k,ny,i), 2 ) &
1677	)
1678	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1679	* MERGE( 1.0_wp, 0.0_wp, &
1680	BTEST( wall_flags_0(k,ny,i), 2 ) &
1681	)
1682	ENDDO
1683	ENDDO
1684	ENDIF
1685
1686	#if defined( __parallel )
1687	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1688	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1689	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1690	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1691
1692	#else
1693	volume_flow_initial = volume_flow_initial_l
1694	volume_flow_area = volume_flow_area_l
1695	#endif
1696
1697	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1698
1699	volume_flow_initial_l = 0.0_wp
1700	volume_flow_area_l = 0.0_wp
1701
1702	IF ( nxr == nx ) THEN
1703	DO j = nys, nyn
1704	DO k = nzb+1, nzt
1705	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1706	u(k,j,nx) * dzw(k) &
1707	* MERGE( 1.0_wp, 0.0_wp, &
1708	BTEST( wall_flags_0(k,j,nx), 1 ) &
1709	)
1710	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1711	* MERGE( 1.0_wp, 0.0_wp, &
1712	BTEST( wall_flags_0(k,j,nx), 1 ) &
1713	)
1714	ENDDO
1715	ENDDO
1716	ENDIF
1717
1718	IF ( nyn == ny ) THEN
1719	DO i = nxl, nxr
1720	DO k = nzb+1, nzt
1721	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1722	v(k,ny,i) * dzw(k) &
1723	* MERGE( 1.0_wp, 0.0_wp, &
1724	BTEST( wall_flags_0(k,ny,i), 2 ) &
1725	)
1726	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1727	* MERGE( 1.0_wp, 0.0_wp, &
1728	BTEST( wall_flags_0(k,ny,i), 2 ) &
1729	)
1730	ENDDO
1731	ENDDO
1732	ENDIF
1733
1734	#if defined( __parallel )
1735	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1736	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1737	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1738	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1739
1740	#else
1741	volume_flow_initial = volume_flow_initial_l
1742	volume_flow_area = volume_flow_area_l
1743	#endif
1744
1745	ENDIF
1746
1747	!
1748	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
1749	!-- from u\|v_bulk instead
1750	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1751	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1752	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1753	ENDIF
1754
1755	ENDIF
1756	!
1757	!-- Initialize surface elements and its attributes, e.g. heat- and
1758	!-- momentumfluxes, roughness, scaling parameters.
1759	!-- This is already done in case of restart data.
1760	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1761	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1762	CALL init_surfaces
1763	!
1764	!-- Finally, if random_heatflux is set, disturb shf at horizontal
1765	!-- surfaces. Actually, this should be done in surface_mod, where all other
1766	!-- initializations of surface quantities are done. However, this
1767	!-- would create a ring dependency, hence, it is done here. Maybe delete
1768	!-- disturb_heatflux and tranfer the respective code directly into the
1769	!-- initialization in surface_mod.
1770	IF ( use_surface_fluxes .AND. constant_heatflux .AND. &
1771	random_heatflux ) THEN
1772	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
1773	IF ( surf_lsm_h%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h )
1774	IF ( surf_usm_h%ns >= 1 ) CALL disturb_heatflux( surf_usm_h )
1775	ENDIF
1776	ENDIF
1777
1778	!
1779	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
1780	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
1781	IF ( large_scale_forcing .AND. lsf_surf ) THEN
1782	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
1783	CALL ls_forcing_surf ( simulated_time )
1784	ENDIF
1785	ENDIF
1786	!
1787	!-- Initialize quantities for special advections schemes
1788	CALL init_advec
1789
1790	!
1791	!-- Impose random perturbation on the horizontal velocity field and then
1792	!-- remove the divergences from the velocity field at the initial stage
1793	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
1794	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1795	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1796
1797	CALL location_message( 'creating initial disturbances', .FALSE. )
1798	CALL disturb_field( 'u', tend, u )
1799	CALL disturb_field( 'v', tend, v )
1800	CALL location_message( 'finished', .TRUE. )
1801
1802	CALL location_message( 'calling pressure solver', .FALSE. )
1803	n_sor = nsor_ini
1804	CALL pres
1805	n_sor = nsor
1806	CALL location_message( 'finished', .TRUE. )
1807
1808	ENDIF
1809
1810	!
1811	!-- If required, initialize quantities needed for the plant canopy model
1812	IF ( plant_canopy ) THEN
1813	CALL location_message( 'initializing plant canopy model', .FALSE. )
1814	CALL pcm_init
1815	CALL location_message( 'finished', .TRUE. )
1816	ENDIF
1817
1818	!
1819	!-- If required, initialize dvrp-software
1820	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
1821
1822	IF ( ocean ) THEN
1823	!
1824	!-- Initialize quantities needed for the ocean model
1825	CALL init_ocean
1826
1827	ELSE
1828	!
1829	!-- Initialize quantities for handling cloud physics
1830	!-- This routine must be called before lpm_init, because
1831	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
1832	!-- lpm_init) is not defined.
1833	CALL init_cloud_physics
1834	!
1835	!-- Initialize bulk cloud microphysics
1836	CALL microphysics_init
1837	ENDIF
1838
1839	!
1840	!-- If required, initialize particles
1841	IF ( particle_advection ) CALL lpm_init
1842
1843	!
1844	!-- If required, initialize quantities needed for the LSM
1845	IF ( land_surface ) THEN
1846	CALL location_message( 'initializing land surface model', .FALSE. )
1847	CALL lsm_init
1848	CALL location_message( 'finished', .TRUE. )
1849	ENDIF
1850
1851	!
1852	!-- Initialize surface layer (done after LSM as roughness length are required
1853	!-- for initialization
1854	IF ( constant_flux_layer ) THEN
1855	CALL location_message( 'initializing surface layer', .FALSE. )
1856	CALL init_surface_layer_fluxes
1857	CALL location_message( 'finished', .TRUE. )
1858	ENDIF
1859
1860	!
1861	!-- If required, initialize radiation model
1862	IF ( radiation ) THEN
1863	CALL location_message( 'initializing radiation model', .FALSE. )
1864	CALL radiation_init
1865	CALL location_message( 'finished', .TRUE. )
1866	ENDIF
1867
1868
1869	!
1870	!-- Temporary solution to add LSM and radiation time series to the default
1871	!-- output
1872	IF ( land_surface .OR. radiation ) THEN
1873	IF ( TRIM( radiation_scheme ) == 'rrtmg' ) THEN
1874	dots_num = dots_num + 15
1875	ELSE
1876	dots_num = dots_num + 11
1877	ENDIF
1878	ENDIF
1879
1880	!
1881	!-- If required, initialize urban surface model
1882	IF ( urban_surface ) THEN
1883	CALL location_message( 'initializing urban surface model', .FALSE. )
1884	CALL usm_init_urban_surface
1885	CALL location_message( 'finished', .TRUE. )
1886	ENDIF
1887
1888	!
1889	!-- If required, initialize quantities needed for the wind turbine model
1890	IF ( wind_turbine ) THEN
1891	CALL location_message( 'initializing wind turbine model', .FALSE. )
1892	CALL wtm_init
1893	CALL location_message( 'finished', .TRUE. )
1894	ENDIF
1895
1896
1897	!
1898	!-- Initialize the ws-scheme.
1899	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1900
1901	!
1902	!-- Setting weighting factors for calculation of perturbation pressure
1903	!-- and turbulent quantities from the RK substeps
1904	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
1905
1906	weight_substep(1) = 1._wp/6._wp
1907	weight_substep(2) = 3._wp/10._wp
1908	weight_substep(3) = 8._wp/15._wp
1909
1910	weight_pres(1) = 1._wp/3._wp
1911	weight_pres(2) = 5._wp/12._wp
1912	weight_pres(3) = 1._wp/4._wp
1913
1914	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
1915
1916	weight_substep(1) = 1._wp/2._wp
1917	weight_substep(2) = 1._wp/2._wp
1918
1919	weight_pres(1) = 1._wp/2._wp
1920	weight_pres(2) = 1._wp/2._wp
1921
1922	ELSE ! for Euler-method
1923
1924	weight_substep(1) = 1.0_wp
1925	weight_pres(1) = 1.0_wp
1926
1927	ENDIF
1928
1929	!
1930	!-- Initialize Rayleigh damping factors
1931	rdf = 0.0_wp
1932	rdf_sc = 0.0_wp
1933	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
1934	IF ( .NOT. ocean ) THEN
1935	DO k = nzb+1, nzt
1936	IF ( zu(k) >= rayleigh_damping_height ) THEN
1937	rdf(k) = rayleigh_damping_factor * &
1938	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
1939	/ ( zu(nzt) - rayleigh_damping_height ) ) &
1940	)**2
1941	ENDIF
1942	ENDDO
1943	ELSE
1944	DO k = nzt, nzb+1, -1
1945	IF ( zu(k) <= rayleigh_damping_height ) THEN
1946	rdf(k) = rayleigh_damping_factor * &
1947	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
1948	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
1949	)**2
1950	ENDIF
1951	ENDDO
1952	ENDIF
1953	ENDIF
1954	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
1955
1956	!
1957	!-- Initialize the starting level and the vertical smoothing factor used for
1958	!-- the external pressure gradient
1959	dp_smooth_factor = 1.0_wp
1960	IF ( dp_external ) THEN
1961	!
1962	!-- Set the starting level dp_level_ind_b only if it has not been set before
1963	!-- (e.g. in init_grid).
1964	IF ( dp_level_ind_b == 0 ) THEN
1965	ind_array = MINLOC( ABS( dp_level_b - zu ) )
1966	dp_level_ind_b = ind_array(1) - 1 + nzb
1967	! MINLOC uses lower array bound 1
1968	ENDIF
1969	IF ( dp_smooth ) THEN
1970	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
1971	DO k = dp_level_ind_b+1, nzt
1972	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
1973	( REAL( k - dp_level_ind_b, KIND=wp ) / &
1974	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
1975	ENDDO
1976	ENDIF
1977	ENDIF
1978
1979	!
1980	!-- Initialize damping zone for the potential temperature in case of
1981	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
1982	!-- at the inflow boundary and decreases to zero at pt_damping_width.
1983	ptdf_x = 0.0_wp
1984	ptdf_y = 0.0_wp
1985	IF ( bc_lr_dirrad ) THEN
1986	DO i = nxl, nxr
1987	IF ( ( i * dx ) < pt_damping_width ) THEN
1988	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
1989	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
1990	REAL( pt_damping_width, KIND=wp ) ) ) )**2
1991	ENDIF
1992	ENDDO
1993	ELSEIF ( bc_lr_raddir ) THEN
1994	DO i = nxl, nxr
1995	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
1996	ptdf_x(i) = pt_damping_factor * &
1997	SIN( pi * 0.5_wp * &
1998	( ( i - nx ) * dx + pt_damping_width ) / &
1999	REAL( pt_damping_width, KIND=wp ) )**2
2000	ENDIF
2001	ENDDO
2002	ELSEIF ( bc_ns_dirrad ) THEN
2003	DO j = nys, nyn
2004	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
2005	ptdf_y(j) = pt_damping_factor * &
2006	SIN( pi * 0.5_wp * &
2007	( ( j - ny ) * dy + pt_damping_width ) / &
2008	REAL( pt_damping_width, KIND=wp ) )**2
2009	ENDIF
2010	ENDDO
2011	ELSEIF ( bc_ns_raddir ) THEN
2012	DO j = nys, nyn
2013	IF ( ( j * dy ) < pt_damping_width ) THEN
2014	ptdf_y(j) = pt_damping_factor * &
2015	SIN( pi * 0.5_wp * &
2016	( pt_damping_width - j * dy ) / &
2017	REAL( pt_damping_width, KIND=wp ) )**2
2018	ENDIF
2019	ENDDO
2020	ENDIF
2021
2022	!
2023	!-- Pre-set masks for regional statistics. Default is the total model domain.
2024	!-- Ghost points are excluded because counting values at the ghost boundaries
2025	!-- would bias the statistics
2026	rmask = 1.0_wp
2027	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
2028	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
2029
2030	!
2031	!-- User-defined initializing actions. Check afterwards, if maximum number
2032	!-- of allowed timeseries is exceeded
2033	CALL user_init
2034
2035	IF ( dots_num > dots_max ) THEN
2036	WRITE( message_string, * ) 'number of time series quantities exceeds', &
2037	' its maximum of dots_max = ', dots_max, &
2038	' &Please increase dots_max in modules.f90.'
2039	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
2040	ENDIF
2041
2042	!
2043	!-- Input binary data file is not needed anymore. This line must be placed
2044	!-- after call of user_init!
2045	CALL close_file( 13 )
2046
2047	!
2048	!-- Compute total sum of active mask grid points
2049	!-- and the mean surface level height for each statistic region
2050	!-- ngp_2dh: number of grid points of a horizontal cross section through the
2051	!-- total domain
2052	!-- ngp_3d: number of grid points of the total domain
2053	ngp_2dh_outer_l = 0
2054	ngp_2dh_outer = 0
2055	ngp_2dh_s_inner_l = 0
2056	ngp_2dh_s_inner = 0
2057	ngp_2dh_l = 0
2058	ngp_2dh = 0
2059	ngp_3d_inner_l = 0.0_wp
2060	ngp_3d_inner = 0
2061	ngp_3d = 0
2062	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
2063
2064	mean_surface_level_height = 0.0_wp
2065	mean_surface_level_height_l = 0.0_wp
2066
2067	!
2068	!-- To do: New concept for these non-topography grid points!
2069	DO sr = 0, statistic_regions
2070	DO i = nxl, nxr
2071	DO j = nys, nyn
2072	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
2073	!
2074	!-- All xy-grid points
2075	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
2076	!
2077	!-- Determine mean surface-level height. In case of downward-
2078	!-- facing walls are present, more than one surface level exist.
2079	!-- In this case, use the lowest surface-level height.
2080	IF ( surf_def_h(0)%start_index(j,i) <= &
2081	surf_def_h(0)%end_index(j,i) ) THEN
2082	m = surf_def_h(0)%start_index(j,i)
2083	k = surf_def_h(0)%k(m)
2084	mean_surface_level_height_l(sr) = &
2085	mean_surface_level_height_l(sr) + zw(k-1)
2086	ENDIF
2087	IF ( surf_lsm_h%start_index(j,i) <= &
2088	surf_lsm_h%end_index(j,i) ) THEN
2089	m = surf_lsm_h%start_index(j,i)
2090	k = surf_lsm_h%k(m)
2091	mean_surface_level_height_l(sr) = &
2092	mean_surface_level_height_l(sr) + zw(k-1)
2093	ENDIF
2094	IF ( surf_usm_h%start_index(j,i) <= &
2095	surf_usm_h%end_index(j,i) ) THEN
2096	m = surf_usm_h%start_index(j,i)
2097	k = surf_usm_h%k(m)
2098	mean_surface_level_height_l(sr) = &
2099	mean_surface_level_height_l(sr) + zw(k-1)
2100	ENDIF
2101
2102	k_surf = k - 1
2103
2104	DO k = nzb, nzt+1
2105	!
2106	!-- xy-grid points above topography
2107	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
2108	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 24 ) )
2109
2110	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
2111	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 22 ) )
2112
2113	ENDDO
2114	!
2115	!-- All grid points of the total domain above topography
2116	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
2117
2118
2119
2120	ENDIF
2121	ENDDO
2122	ENDDO
2123	ENDDO
2124
2125	sr = statistic_regions + 1
2126	#if defined( __parallel )
2127	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2128	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
2129	comm2d, ierr )
2130	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2131	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
2132	MPI_INTEGER, MPI_SUM, comm2d, ierr )
2133	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2134	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
2135	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
2136	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2137	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
2138	MPI_SUM, comm2d, ierr )
2139	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
2140	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2141	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
2142	mean_surface_level_height(0), sr, MPI_REAL, &
2143	MPI_SUM, comm2d, ierr )
2144	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
2145	#else
2146	ngp_2dh = ngp_2dh_l
2147	ngp_2dh_outer = ngp_2dh_outer_l
2148	ngp_2dh_s_inner = ngp_2dh_s_inner_l
2149	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
2150	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
2151	#endif
2152
2153	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
2154	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
2155
2156	!
2157	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
2158	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
2159	!-- the respective subdomain lie below the surface topography
2160	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
2161	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
2162	ngp_3d_inner(:) )
2163	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
2164
2165	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
2166	ngp_3d_inner_l, ngp_3d_inner_tmp )
2167
2168	CALL location_message( 'leaving init_3d_model', .TRUE. )
2169
2170	END SUBROUTINE init_3d_model

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