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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2284

Last change on this file since 2284 was 2277, checked in by kanani, 8 years ago

code documentation and cleanup

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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 2277 2017-06-12 10:47:51Z witha $
27	! Removed unused variable sums_up_fraction_l
28	!
29	! 2270 2017-06-09 12:18:47Z maronga
30	! dots_num must be increased when LSM and/or radiation is used
31	!
32	! 2259 2017-06-08 09:09:11Z gronemeier
33	! Implemented synthetic turbulence generator
34	!
35	! 2252 2017-06-07 09:35:37Z knoop
36	! rho_air now depending on surface_pressure even in Boussinesq mode
37	!
38	! 2233 2017-05-30 18:08:54Z suehring
39	!
40	! 2232 2017-05-30 17:47:52Z suehring
41	! Adjustments to new topography and surface concept:
42	! - Modify passed parameters for disturb_field
43	! - Topography representation via flags
44	! - Remove unused arrays.
45	! - Move initialization of surface-related quantities to surface_mod
46	!
47	! 2172 2017-03-08 15:55:25Z knoop
48	! Bugfix: moved parallel random generator initialization into its module
49	!
50	! 2118 2017-01-17 16:38:49Z raasch
51	! OpenACC directives removed
52	!
53	! 2037 2016-10-26 11:15:40Z knoop
54	! Anelastic approximation implemented
55	!
56	! 2031 2016-10-21 15:11:58Z knoop
57	! renamed variable rho to rho_ocean
58	!
59	! 2011 2016-09-19 17:29:57Z kanani
60	! Flag urban_surface is now defined in module control_parameters.
61	!
62	! 2007 2016-08-24 15:47:17Z kanani
63	! Added support for urban surface model,
64	! adjusted location_message in case of plant_canopy
65	!
66	! 2000 2016-08-20 18:09:15Z knoop
67	! Forced header and separation lines into 80 columns
68	!
69	! 1992 2016-08-12 15:14:59Z suehring
70	! Initializaton of scalarflux at model top
71	! Bugfixes in initialization of surface and top salinity flux, top scalar and
72	! humidity fluxes
73	!
74	! 1960 2016-07-12 16:34:24Z suehring
75	! Separate humidity and passive scalar
76	! Increase dimension for mean_inflow_profiles
77	! Remove inadvertent write-statement
78	! Bugfix, large-scale forcing is still not implemented for passive scalars
79	!
80	! 1957 2016-07-07 10:43:48Z suehring
81	! flight module added
82	!
83	! 1920 2016-05-30 10:50:15Z suehring
84	! Initialize us with very small number to avoid segmentation fault during
85	! calculation of Obukhov length
86	!
87	! 1918 2016-05-27 14:35:57Z raasch
88	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
89	! bugfix: initialization of local sum arrays are moved to the beginning of the
90	! routine because otherwise results from pres are overwritten
91	!
92	! 1914 2016-05-26 14:44:07Z witha
93	! Added initialization of the wind turbine model
94	!
95	! 1878 2016-04-19 12:30:36Z hellstea
96	! The zeroth element of weight_pres removed as unnecessary
97	!
98	! 1849 2016-04-08 11:33:18Z hoffmann
99	! Adapted for modularization of microphysics.
100	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
101	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
102	! microphysics_init.
103	!
104	! 1845 2016-04-08 08:29:13Z raasch
105	! nzb_2d replaced by nzb_u\|v_inner
106	!
107	! 1833 2016-04-07 14:23:03Z raasch
108	! initialization of spectra quantities moved to spectra_mod
109	!
110	! 1831 2016-04-07 13:15:51Z hoffmann
111	! turbulence renamed collision_turbulence
112	!
113	! 1826 2016-04-07 12:01:39Z maronga
114	! Renamed radiation calls.
115	! Renamed canopy model calls.
116	!
117	! 1822 2016-04-07 07:49:42Z hoffmann
118	! icloud_scheme replaced by microphysics_*
119	!
120	! 1817 2016-04-06 15:44:20Z maronga
121	! Renamed lsm calls.
122	!
123	! 1815 2016-04-06 13:49:59Z raasch
124	! zero-settings for velocities inside topography re-activated (was deactivated
125	! in r1762)
126	!
127	! 1788 2016-03-10 11:01:04Z maronga
128	! Added z0q.
129	! Syntax layout improved.
130	!
131	! 1783 2016-03-06 18:36:17Z raasch
132	! netcdf module name changed + related changes
133	!
134	! 1764 2016-02-28 12:45:19Z raasch
135	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
136	!
137	! 1762 2016-02-25 12:31:13Z hellstea
138	! Introduction of nested domain feature
139	!
140	! 1738 2015-12-18 13:56:05Z raasch
141	! calculate mean surface level height for each statistic region
142	!
143	! 1734 2015-12-02 12:17:12Z raasch
144	! no initial disturbances in case that the disturbance energy limit has been
145	! set zero
146	!
147	! 1707 2015-11-02 15:24:52Z maronga
148	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
149	! devision by zero in neutral stratification
150	!
151	! 1691 2015-10-26 16:17:44Z maronga
152	! Call to init_surface_layer added. rif is replaced by ol and zeta.
153	!
154	! 1682 2015-10-07 23:56:08Z knoop
155	! Code annotations made doxygen readable
156	!
157	! 1615 2015-07-08 18:49:19Z suehring
158	! Enable turbulent inflow for passive_scalar and humidity
159	!
160	! 1585 2015-04-30 07:05:52Z maronga
161	! Initialization of radiation code is now done after LSM initializtion
162	!
163	! 1575 2015-03-27 09:56:27Z raasch
164	! adjustments for psolver-queries
165	!
166	! 1551 2015-03-03 14:18:16Z maronga
167	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
168	! which is part of land_surface_model.
169	!
170	! 1507 2014-12-10 12:14:18Z suehring
171	! Bugfix: set horizontal velocity components to zero inside topography
172	!
173	! 1496 2014-12-02 17:25:50Z maronga
174	! Added initialization of the land surface and radiation schemes
175	!
176	! 1484 2014-10-21 10:53:05Z kanani
177	! Changes due to new module structure of the plant canopy model:
178	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
179	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
180	! call of subroutine init_plant_canopy added.
181	!
182	! 1431 2014-07-15 14:47:17Z suehring
183	! var_d added, in order to normalize spectra.
184	!
185	! 1429 2014-07-15 12:53:45Z knoop
186	! Ensemble run capability added to parallel random number generator
187	!
188	! 1411 2014-05-16 18:01:51Z suehring
189	! Initial horizontal velocity profiles were not set to zero at the first vertical
190	! grid level in case of non-cyclic lateral boundary conditions.
191	!
192	! 1406 2014-05-16 13:47:01Z raasch
193	! bugfix: setting of initial velocities at k=1 to zero not in case of a
194	! no-slip boundary condition for uv
195	!
196	! 1402 2014-05-09 14:25:13Z raasch
197	! location messages modified
198	!
199	! 1400 2014-05-09 14:03:54Z knoop
200	! Parallel random number generator added
201	!
202	! 1384 2014-05-02 14:31:06Z raasch
203	! location messages added
204	!
205	! 1361 2014-04-16 15:17:48Z hoffmann
206	! tend_* removed
207	! Bugfix: w_subs is not allocated anymore if it is already allocated
208	!
209	! 1359 2014-04-11 17:15:14Z hoffmann
210	! module lpm_init_mod added to use statements, because lpm_init has become a
211	! module
212	!
213	! 1353 2014-04-08 15:21:23Z heinze
214	! REAL constants provided with KIND-attribute
215	!
216	! 1340 2014-03-25 19:45:13Z kanani
217	! REAL constants defined as wp-kind
218	!
219	! 1322 2014-03-20 16:38:49Z raasch
220	! REAL constants defined as wp-kind
221	! module interfaces removed
222	!
223	! 1320 2014-03-20 08:40:49Z raasch
224	! ONLY-attribute added to USE-statements,
225	! kind-parameters added to all INTEGER and REAL declaration statements,
226	! kinds are defined in new module kinds,
227	! revision history before 2012 removed,
228	! comment fields (!:) to be used for variable explanations added to
229	! all variable declaration statements
230	!
231	! 1316 2014-03-17 07:44:59Z heinze
232	! Bugfix: allocation of w_subs
233	!
234	! 1299 2014-03-06 13:15:21Z heinze
235	! Allocate w_subs due to extension of large scale subsidence in combination
236	! with large scale forcing data (LSF_DATA)
237	!
238	! 1241 2013-10-30 11:36:58Z heinze
239	! Overwrite initial profiles in case of nudging
240	! Inititialize shf and qsws in case of large_scale_forcing
241	!
242	! 1221 2013-09-10 08:59:13Z raasch
243	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
244	! copy
245	!
246	! 1212 2013-08-15 08:46:27Z raasch
247	! array tri is allocated and included in data copy statement
248	!
249	! 1195 2013-07-01 12:27:57Z heinze
250	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
251	!
252	! 1179 2013-06-14 05:57:58Z raasch
253	! allocate and set ref_state to be used in buoyancy terms
254	!
255	! 1171 2013-05-30 11:27:45Z raasch
256	! diss array is allocated with full size if accelerator boards are used
257	!
258	! 1159 2013-05-21 11:58:22Z fricke
259	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
260	!
261	! 1153 2013-05-10 14:33:08Z raasch
262	! diss array is allocated with dummy elements even if it is not needed
263	! (required by PGI 13.4 / CUDA 5.0)
264	!
265	! 1115 2013-03-26 18:16:16Z hoffmann
266	! unused variables removed
267	!
268	! 1113 2013-03-10 02:48:14Z raasch
269	! openACC directive modified
270	!
271	! 1111 2013-03-08 23:54:10Z raasch
272	! openACC directives added for pres
273	! array diss allocated only if required
274	!
275	! 1092 2013-02-02 11:24:22Z raasch
276	! unused variables removed
277	!
278	! 1065 2012-11-22 17:42:36Z hoffmann
279	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
280	!
281	! 1053 2012-11-13 17:11:03Z hoffmann
282	! allocation and initialisation of necessary data arrays for the two-moment
283	! cloud physics scheme the two new prognostic equations (nr, qr):
284	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
285	! +tend_*, prr
286	!
287	! 1036 2012-10-22 13:43:42Z raasch
288	! code put under GPL (PALM 3.9)
289	!
290	! 1032 2012-10-21 13:03:21Z letzel
291	! save memory by not allocating pt_2 in case of neutral = .T.
292	!
293	! 1025 2012-10-07 16:04:41Z letzel
294	! bugfix: swap indices of mask for ghost boundaries
295	!
296	! 1015 2012-09-27 09:23:24Z raasch
297	! mask is set to zero for ghost boundaries
298	!
299	! 1010 2012-09-20 07:59:54Z raasch
300	! cpp switch __nopointer added for pointer free version
301	!
302	! 1003 2012-09-14 14:35:53Z raasch
303	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
304	!
305	! 1001 2012-09-13 14:08:46Z raasch
306	! all actions concerning leapfrog scheme removed
307	!
308	! 996 2012-09-07 10:41:47Z raasch
309	! little reformatting
310	!
311	! 978 2012-08-09 08:28:32Z fricke
312	! outflow damping layer removed
313	! roughness length for scalar quantites z0h added
314	! damping zone for the potential temperatur in case of non-cyclic lateral
315	! boundaries added
316	! initialization of ptdf_x, ptdf_y
317	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
318	!
319	! 849 2012-03-15 10:35:09Z raasch
320	! init_particles renamed lpm_init
321	!
322	! 825 2012-02-19 03:03:44Z raasch
323	! wang_collision_kernel renamed wang_kernel
324	!
325	! Revision 1.1 1998/03/09 16:22:22 raasch
326	! Initial revision
327	!
328	!
329	! Description:
330	! ------------
331	!> Allocation of arrays and initialization of the 3D model via
332	!> a) pre-run the 1D model
333	!> or
334	!> b) pre-set constant linear profiles
335	!> or
336	!> c) read values of a previous run
337	!------------------------------------------------------------------------------!
338	SUBROUTINE init_3d_model
339
340
341	USE advec_ws
342
343	USE arrays_3d
344
345	USE cloud_parameters, &
346	ONLY: cp, l_v, r_d
347
348	USE constants, &
349	ONLY: pi
350
351	USE control_parameters
352
353	USE flight_mod, &
354	ONLY: flight_init
355
356	USE grid_variables, &
357	ONLY: dx, dy, ddx2_mg, ddy2_mg
358
359	USE indices
360
361	USE lpm_init_mod, &
362	ONLY: lpm_init
363
364	USE kinds
365
366	USE land_surface_model_mod, &
367	ONLY: lsm_init, lsm_init_arrays
368
369	USE ls_forcing_mod
370
371	USE microphysics_mod, &
372	ONLY: collision_turbulence, microphysics_init
373
374	USE model_1d, &
375	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
376
377	USE netcdf_interface, &
378	ONLY: dots_max, dots_num
379
380	USE particle_attributes, &
381	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
382
383	USE pegrid
384
385	USE plant_canopy_model_mod, &
386	ONLY: pcm_init, plant_canopy
387
388	USE radiation_model_mod, &
389	ONLY: radiation_init, radiation, radiation_scheme
390
391	USE random_function_mod
392
393	USE random_generator_parallel, &
394	ONLY: init_parallel_random_generator
395
396	USE statistics, &
397	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
398	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
399	sums_l_l, sums_wsts_bc_l, ts_value, &
400	weight_pres, weight_substep
401
402	USE synthetic_turbulence_generator_mod, &
403	ONLY: stg_init, use_synthetic_turbulence_generator
404
405	USE surface_layer_fluxes_mod, &
406	ONLY: init_surface_layer_fluxes
407
408	USE surface_mod, &
409	ONLY : init_surface_arrays, init_surfaces, surf_def_h, surf_lsm_h, &
410	surf_usm_h
411
412	USE transpose_indices
413
414	USE urban_surface_mod, &
415	ONLY: usm_init_urban_surface
416
417	USE wind_turbine_model_mod, &
418	ONLY: wtm_init, wtm_init_arrays, wind_turbine
419
420	IMPLICIT NONE
421
422	INTEGER(iwp) :: i !<
423	INTEGER(iwp) :: ind_array(1) !<
424	INTEGER(iwp) :: j !<
425	INTEGER(iwp) :: k !<
426	INTEGER(iwp) :: k_surf !< surface level index
427	INTEGER(iwp) :: m !< index of surface element in surface data type
428	INTEGER(iwp) :: sr !< index of statistic region
429
430	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
431
432	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
433	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
434
435	REAL(wp) :: t_surface !< air temperature at the surface
436
437	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
438
439	INTEGER(iwp) :: l !< loop variable
440	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
441	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
442	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
443
444	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
445	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
446
447	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
448	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
449	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
450
451
452	CALL location_message( 'allocating arrays', .FALSE. )
453	!
454	!-- Allocate arrays
455	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
456	mean_surface_level_height_l(0:statistic_regions), &
457	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
458	ngp_3d(0:statistic_regions), &
459	ngp_3d_inner(0:statistic_regions), &
460	ngp_3d_inner_l(0:statistic_regions), &
461	ngp_3d_inner_tmp(0:statistic_regions), &
462	sums_divnew_l(0:statistic_regions), &
463	sums_divold_l(0:statistic_regions) )
464	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
465	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
466	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
467	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
468	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
469	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
470	sums(nzb:nzt+1,pr_palm+max_pr_user), &
471	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
472	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
473	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
474	ts_value(dots_max,0:statistic_regions) )
475	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
476
477	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
478	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
479	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
480	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
481	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
482
483	#if defined( __nopointer )
484	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
485	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
486	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
487	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
488	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
489	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
490	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
491	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
492	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
493	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
494	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
495	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
496	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
497	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
498	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
499	#else
500	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
501	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
502	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
503	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
504	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
505	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
506	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
507	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
508	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
509	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
510	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
511	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
512	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
513	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
514	IF ( .NOT. neutral ) THEN
515	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
516	ENDIF
517	#endif
518
519	!
520	!-- Following array is required for perturbation pressure within the iterative
521	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
522	!-- the weighted average of the substeps and cannot be used in the Poisson
523	!-- solver.
524	IF ( psolver == 'sor' ) THEN
525	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
526	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
527	!
528	!-- For performance reasons, multigrid is using one ghost layer only
529	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
530	ENDIF
531
532	!
533	!-- Array for storing constant coeffficients of the tridiagonal solver
534	IF ( psolver == 'poisfft' ) THEN
535	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
536	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
537	ENDIF
538
539	IF ( humidity ) THEN
540	!
541	!-- 3D-humidity
542	#if defined( __nopointer )
543	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
544	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
545	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
546	#else
547	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
548	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
549	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
550	#endif
551
552	!
553	!-- 3D-arrays needed for humidity
554	IF ( humidity ) THEN
555	#if defined( __nopointer )
556	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
557	#else
558	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
559	#endif
560
561	IF ( cloud_physics ) THEN
562
563	!
564	!-- Liquid water content
565	#if defined( __nopointer )
566	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
567	#else
568	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
569	#endif
570	!
571	!-- Precipitation amount and rate (only needed if output is switched)
572	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
573	precipitation_rate(nysg:nyng,nxlg:nxrg) )
574
575	!
576	!-- 3D-cloud water content
577	#if defined( __nopointer )
578	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
579	#else
580	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
581	#endif
582	!
583	!-- 3d-precipitation rate
584	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
585
586	IF ( microphysics_seifert ) THEN
587	!
588	!-- 3D-rain water content, rain drop concentration arrays
589	#if defined( __nopointer )
590	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
591	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
592	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
593	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
594	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
595	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
596	#else
597	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
598	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
599	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
600	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
601	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
602	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
603	#endif
604	ENDIF
605
606	ENDIF
607
608	IF ( cloud_droplets ) THEN
609	!
610	!-- Liquid water content, change in liquid water content
611	#if defined( __nopointer )
612	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
613	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
614	#else
615	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
616	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
617	#endif
618	!
619	!-- Real volume of particles (with weighting), volume of particles
620	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
621	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
622	ENDIF
623
624	ENDIF
625
626	ENDIF
627
628
629	IF ( passive_scalar ) THEN
630
631	!
632	!-- 3D scalar arrays
633	#if defined( __nopointer )
634	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
635	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
636	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
637	#else
638	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
639	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
640	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
641	#endif
642	ENDIF
643
644	IF ( ocean ) THEN
645	#if defined( __nopointer )
646	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
647	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
648	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
649	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
650	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
651	#else
652	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
653	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
654	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
655	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
656	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
657	prho => prho_1
658	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
659	! density to be apointer
660	#endif
661	ENDIF
662
663	!
664	!-- Allocation of anelastic and Boussinesq approximation specific arrays
665	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
666	ALLOCATE( rho_air(nzb:nzt+1) )
667	ALLOCATE( rho_air_zw(nzb:nzt+1) )
668	ALLOCATE( drho_air(nzb:nzt+1) )
669	ALLOCATE( drho_air_zw(nzb:nzt+1) )
670
671	!
672	!-- Density profile calculation for anelastic approximation
673	t_surface = pt_surface * ( surface_pressure / 1000.0_wp )**( r_d / cp )
674	IF ( TRIM( approximation ) == 'anelastic' ) THEN
675	DO k = nzb, nzt+1
676	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
677	( 1 - ( g * zu(k) ) / ( cp * t_surface ) &
678	)**( cp / r_d )
679	rho_air(k) = ( p_hydrostatic(k) * &
680	( 100000.0_wp / p_hydrostatic(k) &
681	)**( r_d / cp ) &
682	) / ( r_d * pt_init(k) )
683	ENDDO
684	DO k = nzb, nzt
685	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
686	ENDDO
687	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
688	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
689	ELSE
690	DO k = nzb, nzt+1
691	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
692	( 1 - ( g * zu(nzb) ) / ( cp * t_surface ) &
693	)**( cp / r_d )
694	rho_air(k) = ( p_hydrostatic(k) * &
695	( 100000.0_wp / p_hydrostatic(k) &
696	)**( r_d / cp ) &
697	) / ( r_d * pt_init(nzb) )
698	ENDDO
699	DO k = nzb, nzt
700	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
701	ENDDO
702	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
703	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
704	ENDIF
705
706	!-- compute the inverse density array in order to avoid expencive divisions
707	drho_air = 1.0_wp / rho_air
708	drho_air_zw = 1.0_wp / rho_air_zw
709
710	!
711	!-- Allocation of flux conversion arrays
712	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
713	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
714	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
715	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
716	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
717	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
718
719	!
720	!-- calculate flux conversion factors according to approximation and in-/output mode
721	DO k = nzb, nzt+1
722
723	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
724	heatflux_input_conversion(k) = rho_air_zw(k)
725	waterflux_input_conversion(k) = rho_air_zw(k)
726	momentumflux_input_conversion(k) = rho_air_zw(k)
727	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
728	heatflux_input_conversion(k) = 1.0_wp / cp
729	waterflux_input_conversion(k) = 1.0_wp / l_v
730	momentumflux_input_conversion(k) = 1.0_wp
731	ENDIF
732
733	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
734	heatflux_output_conversion(k) = drho_air_zw(k)
735	waterflux_output_conversion(k) = drho_air_zw(k)
736	momentumflux_output_conversion(k) = drho_air_zw(k)
737	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
738	heatflux_output_conversion(k) = cp
739	waterflux_output_conversion(k) = l_v
740	momentumflux_output_conversion(k) = 1.0_wp
741	ENDIF
742
743	IF ( .NOT. humidity ) THEN
744	waterflux_input_conversion(k) = 1.0_wp
745	waterflux_output_conversion(k) = 1.0_wp
746	ENDIF
747
748	ENDDO
749
750	!
751	!-- In case of multigrid method, compute grid lengths and grid factors for the
752	!-- grid levels with respective density on each grid
753	IF ( psolver(1:9) == 'multigrid' ) THEN
754
755	ALLOCATE( ddx2_mg(maximum_grid_level) )
756	ALLOCATE( ddy2_mg(maximum_grid_level) )
757	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
758	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
759	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
760	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
761	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
762	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
763	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
764
765	dzu_mg(:,maximum_grid_level) = dzu
766	rho_air_mg(:,maximum_grid_level) = rho_air
767	!
768	!-- Next line to ensure an equally spaced grid.
769	dzu_mg(1,maximum_grid_level) = dzu(2)
770	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
771	(rho_air(nzb) - rho_air(nzb+1))
772
773	dzw_mg(:,maximum_grid_level) = dzw
774	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
775	nzt_l = nzt
776	DO l = maximum_grid_level-1, 1, -1
777	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
778	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
779	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
780	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))
781	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
782	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
783	nzt_l = nzt_l / 2
784	DO k = 2, nzt_l+1
785	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
786	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
787	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
788	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
789	ENDDO
790	ENDDO
791
792	nzt_l = nzt
793	dx_l = dx
794	dy_l = dy
795	DO l = maximum_grid_level, 1, -1
796	ddx2_mg(l) = 1.0_wp / dx_l**2
797	ddy2_mg(l) = 1.0_wp / dy_l**2
798	DO k = nzb+1, nzt_l
799	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
800	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
801	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
802	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
803	ENDDO
804	nzt_l = nzt_l / 2
805	dx_l = dx_l * 2.0_wp
806	dy_l = dy_l * 2.0_wp
807	ENDDO
808
809	ENDIF
810
811	!
812	!-- 3D-array for storing the dissipation, needed for calculating the sgs
813	!-- particle velocities
814	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence )&
815	THEN
816	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
817	ENDIF
818
819	!
820	!-- 1D-array for large scale subsidence velocity
821	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
822	ALLOCATE ( w_subs(nzb:nzt+1) )
823	w_subs = 0.0_wp
824	ENDIF
825
826	!
827	!-- Arrays to store velocity data from t-dt and the phase speeds which
828	!-- are needed for radiation boundary conditions
829	IF ( outflow_l ) THEN
830	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
831	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
832	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
833	ENDIF
834	IF ( outflow_r ) THEN
835	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
836	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
837	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
838	ENDIF
839	IF ( outflow_l .OR. outflow_r ) THEN
840	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
841	c_w(nzb:nzt+1,nysg:nyng) )
842	ENDIF
843	IF ( outflow_s ) THEN
844	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
845	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
846	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
847	ENDIF
848	IF ( outflow_n ) THEN
849	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
850	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
851	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
852	ENDIF
853	IF ( outflow_s .OR. outflow_n ) THEN
854	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
855	c_w(nzb:nzt+1,nxlg:nxrg) )
856	ENDIF
857	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
858	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
859	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
860	ENDIF
861
862
863	#if ! defined( __nopointer )
864	!
865	!-- Initial assignment of the pointers
866	e => e_1; e_p => e_2; te_m => e_3
867	IF ( .NOT. neutral ) THEN
868	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
869	ELSE
870	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
871	ENDIF
872	u => u_1; u_p => u_2; tu_m => u_3
873	v => v_1; v_p => v_2; tv_m => v_3
874	w => w_1; w_p => w_2; tw_m => w_3
875
876	IF ( humidity ) THEN
877	q => q_1; q_p => q_2; tq_m => q_3
878	IF ( humidity ) THEN
879	vpt => vpt_1
880	IF ( cloud_physics ) THEN
881	ql => ql_1
882	qc => qc_1
883	IF ( microphysics_seifert ) THEN
884	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
885	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
886	ENDIF
887	ENDIF
888	ENDIF
889	IF ( cloud_droplets ) THEN
890	ql => ql_1
891	ql_c => ql_2
892	ENDIF
893	ENDIF
894
895	IF ( passive_scalar ) THEN
896	s => s_1; s_p => s_2; ts_m => s_3
897	ENDIF
898
899	IF ( ocean ) THEN
900	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
901	ENDIF
902	#endif
903	!
904	!-- Initialize wall arrays
905	CALL init_surface_arrays
906	!
907	!-- Allocate land surface model arrays
908	IF ( land_surface ) THEN
909	CALL lsm_init_arrays
910	ENDIF
911
912	!
913	!-- Allocate wind turbine model arrays
914	IF ( wind_turbine ) THEN
915	CALL wtm_init_arrays
916	ENDIF
917
918	!
919	!-- Initialize virtual flight measurements
920	IF ( virtual_flight ) THEN
921	CALL flight_init
922	ENDIF
923
924	!
925	!-- Allocate arrays containing the RK coefficient for calculation of
926	!-- perturbation pressure and turbulent fluxes. At this point values are
927	!-- set for pressure calculation during initialization (where no timestep
928	!-- is done). Further below the values needed within the timestep scheme
929	!-- will be set.
930	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
931	weight_pres(1:intermediate_timestep_count_max) )
932	weight_substep = 1.0_wp
933	weight_pres = 1.0_wp
934	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
935
936	CALL location_message( 'finished', .TRUE. )
937
938	!
939	!-- Initialize local summation arrays for routine flow_statistics.
940	!-- This is necessary because they may not yet have been initialized when they
941	!-- are called from flow_statistics (or - depending on the chosen model run -
942	!-- are never initialized)
943	sums_divnew_l = 0.0_wp
944	sums_divold_l = 0.0_wp
945	sums_l_l = 0.0_wp
946	sums_wsts_bc_l = 0.0_wp
947
948	!
949	!-- Initialize model variables
950	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
951	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
952	!
953	!-- First model run of a possible job queue.
954	!-- Initial profiles of the variables must be computes.
955	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
956
957	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
958	!
959	!-- Use solutions of the 1D model as initial profiles,
960	!-- start 1D model
961	CALL init_1d_model
962	!
963	!-- Transfer initial profiles to the arrays of the 3D model
964	DO i = nxlg, nxrg
965	DO j = nysg, nyng
966	e(:,j,i) = e1d
967	kh(:,j,i) = kh1d
968	km(:,j,i) = km1d
969	pt(:,j,i) = pt_init
970	u(:,j,i) = u1d
971	v(:,j,i) = v1d
972	ENDDO
973	ENDDO
974
975	IF ( humidity ) THEN
976	DO i = nxlg, nxrg
977	DO j = nysg, nyng
978	q(:,j,i) = q_init
979	ENDDO
980	ENDDO
981	IF ( cloud_physics .AND. microphysics_seifert ) THEN
982	DO i = nxlg, nxrg
983	DO j = nysg, nyng
984	qr(:,j,i) = 0.0_wp
985	nr(:,j,i) = 0.0_wp
986	ENDDO
987	ENDDO
988
989	ENDIF
990	ENDIF
991	IF ( passive_scalar ) THEN
992	DO i = nxlg, nxrg
993	DO j = nysg, nyng
994	s(:,j,i) = s_init
995	ENDDO
996	ENDDO
997	ENDIF
998
999	IF ( .NOT. constant_diffusion ) THEN
1000	DO i = nxlg, nxrg
1001	DO j = nysg, nyng
1002	e(:,j,i) = e1d
1003	ENDDO
1004	ENDDO
1005	!
1006	!-- Store initial profiles for output purposes etc.
1007	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
1008
1009	ELSE
1010	e = 0.0_wp ! must be set, because used in
1011	ENDIF
1012	!
1013	!-- Inside buildings set velocities back to zero
1014	IF ( topography /= 'flat' ) THEN
1015	DO i = nxlg, nxrg
1016	DO j = nysg, nyng
1017	DO k = nzb, nzt
1018	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1019	BTEST( wall_flags_0(k,j,i), 1 ) )
1020	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1021	BTEST( wall_flags_0(k,j,i), 2 ) )
1022	ENDDO
1023	ENDDO
1024	ENDDO
1025
1026	!
1027	!-- WARNING: The extra boundary conditions set after running the
1028	!-- ------- 1D model impose an error on the divergence one layer
1029	!-- below the topography; need to correct later
1030	!-- ATTENTION: Provisional correction for Piacsek & Williams
1031	!-- --------- advection scheme: keep u and v zero one layer below
1032	!-- the topography.
1033	IF ( ibc_uv_b == 1 ) THEN
1034	!
1035	!-- Neumann condition
1036	DO i = nxl-1, nxr+1
1037	DO j = nys-1, nyn+1
1038	u(nzb,j,i) = u(nzb+1,j,i)
1039	v(nzb,j,i) = v(nzb+1,j,i)
1040	ENDDO
1041	ENDDO
1042
1043	ENDIF
1044
1045	ENDIF
1046
1047	CALL location_message( 'finished', .TRUE. )
1048
1049	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
1050	THEN
1051
1052	CALL location_message( 'initializing with constant profiles', .FALSE. )
1053	!
1054	!-- Overwrite initial profiles in case of nudging
1055	IF ( nudging ) THEN
1056	pt_init = ptnudge(:,1)
1057	u_init = unudge(:,1)
1058	v_init = vnudge(:,1)
1059	IF ( humidity ) THEN ! is passive_scalar correct???
1060	q_init = qnudge(:,1)
1061	ENDIF
1062
1063	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
1064	'scalars from NUDGING_DATA are used.'
1065	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
1066	ENDIF
1067
1068	!
1069	!-- Overwrite initial profiles in case of synthetic turbulence generator
1070	IF( use_synthetic_turbulence_generator ) THEN
1071	CALL stg_init
1072	ENDIF
1073
1074	!
1075	!-- Use constructed initial profiles (velocity constant with height,
1076	!-- temperature profile with constant gradient)
1077	DO i = nxlg, nxrg
1078	DO j = nysg, nyng
1079	pt(:,j,i) = pt_init
1080	u(:,j,i) = u_init
1081	v(:,j,i) = v_init
1082	ENDDO
1083	ENDDO
1084
1085	!
1086	!-- Set initial horizontal velocities at the lowest computational grid
1087	!-- levels to zero in order to avoid too small time steps caused by the
1088	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
1089	!-- in the limiting formula!).
1090	IF ( ibc_uv_b /= 1 ) THEN
1091	DO i = nxlg, nxrg
1092	DO j = nysg, nyng
1093	DO k = nzb, nzt
1094	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1095	BTEST( wall_flags_0(k,j,i), 20 ) )
1096	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1097	BTEST( wall_flags_0(k,j,i), 21 ) )
1098	ENDDO
1099	ENDDO
1100	ENDDO
1101	ENDIF
1102
1103	IF ( humidity ) THEN
1104	DO i = nxlg, nxrg
1105	DO j = nysg, nyng
1106	q(:,j,i) = q_init
1107	ENDDO
1108	ENDDO
1109	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1110
1111	DO i = nxlg, nxrg
1112	DO j = nysg, nyng
1113	qr(:,j,i) = 0.0_wp
1114	nr(:,j,i) = 0.0_wp
1115	ENDDO
1116	ENDDO
1117
1118	ENDIF
1119	ENDIF
1120
1121	IF ( passive_scalar ) THEN
1122	DO i = nxlg, nxrg
1123	DO j = nysg, nyng
1124	s(:,j,i) = s_init
1125	ENDDO
1126	ENDDO
1127	ENDIF
1128
1129	IF ( ocean ) THEN
1130	DO i = nxlg, nxrg
1131	DO j = nysg, nyng
1132	sa(:,j,i) = sa_init
1133	ENDDO
1134	ENDDO
1135	ENDIF
1136
1137	IF ( constant_diffusion ) THEN
1138	km = km_constant
1139	kh = km / prandtl_number
1140	e = 0.0_wp
1141	ELSEIF ( e_init > 0.0_wp ) THEN
1142	DO k = nzb+1, nzt
1143	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
1144	ENDDO
1145	km(nzb,:,:) = km(nzb+1,:,:)
1146	km(nzt+1,:,:) = km(nzt,:,:)
1147	kh = km / prandtl_number
1148	e = e_init
1149	ELSE
1150	IF ( .NOT. ocean ) THEN
1151	kh = 0.01_wp ! there must exist an initial diffusion, because
1152	km = 0.01_wp ! otherwise no TKE would be produced by the
1153	! production terms, as long as not yet
1154	! e = (u/cm)*2 at k=nzb+1
1155	ELSE
1156	kh = 0.00001_wp
1157	km = 0.00001_wp
1158	ENDIF
1159	e = 0.0_wp
1160	ENDIF
1161	!
1162	!-- Compute initial temperature field and other constants used in case
1163	!-- of a sloping surface
1164	IF ( sloping_surface ) CALL init_slope
1165
1166	CALL location_message( 'finished', .TRUE. )
1167
1168	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
1169	THEN
1170
1171	CALL location_message( 'initializing by user', .FALSE. )
1172	!
1173	!-- Initialization will completely be done by the user
1174	CALL user_init_3d_model
1175
1176	CALL location_message( 'finished', .TRUE. )
1177
1178	ENDIF
1179
1180	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
1181	.FALSE. )
1182
1183	!
1184	!-- Bottom boundary
1185	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
1186	u(nzb,:,:) = 0.0_wp
1187	v(nzb,:,:) = 0.0_wp
1188	ENDIF
1189
1190	!
1191	!-- Apply channel flow boundary condition
1192	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
1193	u(nzt+1,:,:) = 0.0_wp
1194	v(nzt+1,:,:) = 0.0_wp
1195	ENDIF
1196
1197	!
1198	!-- Calculate virtual potential temperature
1199	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
1200
1201	!
1202	!-- Store initial profiles for output purposes etc.
1203	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
1204	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
1205	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
1206	hom(nzb,1,5,:) = 0.0_wp
1207	hom(nzb,1,6,:) = 0.0_wp
1208	ENDIF
1209	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1210	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
1211	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
1212
1213	IF ( ocean ) THEN
1214	!
1215	!-- Store initial salinity profile
1216	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
1217	ENDIF
1218
1219	IF ( humidity ) THEN
1220	!
1221	!-- Store initial profile of total water content, virtual potential
1222	!-- temperature
1223	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1224	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
1225	IF ( cloud_physics .OR. cloud_droplets ) THEN
1226	!
1227	!-- Store initial profile of specific humidity and potential
1228	!-- temperature
1229	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1230	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1231	ENDIF
1232	ENDIF
1233
1234	IF ( passive_scalar ) THEN
1235	!
1236	!-- Store initial scalar profile
1237	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
1238	ENDIF
1239
1240	!
1241	!-- Initialize the random number generators (from numerical recipes)
1242	CALL random_function_ini
1243
1244	IF ( random_generator == 'random-parallel' ) THEN
1245	CALL init_parallel_random_generator(nx, ny, nys, nyn, nxl, nxr)
1246	ENDIF
1247	!
1248	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
1249	!-- the reference state will be set (overwritten) in init_ocean)
1250	IF ( use_single_reference_value ) THEN
1251	IF ( .NOT. humidity ) THEN
1252	ref_state(:) = pt_reference
1253	ELSE
1254	ref_state(:) = vpt_reference
1255	ENDIF
1256	ELSE
1257	IF ( .NOT. humidity ) THEN
1258	ref_state(:) = pt_init(:)
1259	ELSE
1260	ref_state(:) = vpt(:,nys,nxl)
1261	ENDIF
1262	ENDIF
1263
1264	!
1265	!-- For the moment, vertical velocity is zero
1266	w = 0.0_wp
1267
1268	!
1269	!-- Initialize array sums (must be defined in first call of pres)
1270	sums = 0.0_wp
1271
1272	!
1273	!-- In case of iterative solvers, p must get an initial value
1274	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1275
1276	!
1277	!-- Treating cloud physics, liquid water content and precipitation amount
1278	!-- are zero at beginning of the simulation
1279	IF ( cloud_physics ) THEN
1280	ql = 0.0_wp
1281	qc = 0.0_wp
1282
1283	precipitation_amount = 0.0_wp
1284	ENDIF
1285	!
1286	!-- Impose vortex with vertical axis on the initial velocity profile
1287	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1288	CALL init_rankine
1289	ENDIF
1290
1291	!
1292	!-- Impose temperature anomaly (advection test only)
1293	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
1294	CALL init_pt_anomaly
1295	ENDIF
1296
1297	!
1298	!-- If required, change the surface temperature at the start of the 3D run
1299	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1300	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1301	ENDIF
1302
1303	!
1304	!-- If required, change the surface humidity/scalar at the start of the 3D
1305	!-- run
1306	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
1307	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1308
1309	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
1310	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
1311
1312
1313	!
1314	!-- Initialize old and new time levels.
1315	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
1316	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1317
1318	IF ( humidity ) THEN
1319	tq_m = 0.0_wp
1320	q_p = q
1321	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1322	tqr_m = 0.0_wp
1323	qr_p = qr
1324	tnr_m = 0.0_wp
1325	nr_p = nr
1326	ENDIF
1327	ENDIF
1328
1329	IF ( passive_scalar ) THEN
1330	ts_m = 0.0_wp
1331	s_p = s
1332	ENDIF
1333
1334	IF ( ocean ) THEN
1335	tsa_m = 0.0_wp
1336	sa_p = sa
1337	ENDIF
1338
1339	CALL location_message( 'finished', .TRUE. )
1340
1341	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1342	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1343	THEN
1344
1345	CALL location_message( 'initializing in case of restart / cyclic_fill', &
1346	.FALSE. )
1347	!
1348	!-- Initialize surface elements and its attributes, e.g. heat- and
1349	!-- momentumfluxes, roughness, scaling parameters. As number of surface
1350	!-- elements might be different between runs, e.g. in case of cyclic fill,
1351	!-- and not all surface elements are read, surface elements need to be
1352	!-- initialized before.
1353	CALL init_surfaces
1354	!
1355	!-- When reading data for cyclic fill of 3D prerun data files, read
1356	!-- some of the global variables from the restart file which are required
1357	!-- for initializing the inflow
1358	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1359
1360	DO i = 0, io_blocks-1
1361	IF ( i == io_group ) THEN
1362	CALL read_parts_of_var_list
1363	CALL close_file( 13 )
1364	ENDIF
1365	#if defined( __parallel )
1366	CALL MPI_BARRIER( comm2d, ierr )
1367	#endif
1368	ENDDO
1369
1370	ENDIF
1371
1372	!
1373	!-- Read binary data from restart file
1374	DO i = 0, io_blocks-1
1375	IF ( i == io_group ) THEN
1376	CALL read_3d_binary
1377	ENDIF
1378	#if defined( __parallel )
1379	CALL MPI_BARRIER( comm2d, ierr )
1380	#endif
1381	ENDDO
1382
1383	!
1384	!-- Initialization of the turbulence recycling method
1385	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1386	turbulent_inflow ) THEN
1387	!
1388	!-- First store the profiles to be used at the inflow.
1389	!-- These profiles are the (temporally) and horizontally averaged vertical
1390	!-- profiles from the prerun. Alternatively, prescribed profiles
1391	!-- for u,v-components can be used.
1392	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
1393
1394	IF ( use_prescribed_profile_data ) THEN
1395	mean_inflow_profiles(:,1) = u_init ! u
1396	mean_inflow_profiles(:,2) = v_init ! v
1397	ELSE
1398	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1399	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1400	ENDIF
1401	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1402	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
1403	IF ( humidity ) &
1404	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
1405	IF ( passive_scalar ) &
1406	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
1407
1408	!
1409	!-- If necessary, adjust the horizontal flow field to the prescribed
1410	!-- profiles
1411	IF ( use_prescribed_profile_data ) THEN
1412	DO i = nxlg, nxrg
1413	DO j = nysg, nyng
1414	DO k = nzb, nzt+1
1415	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1416	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1417	ENDDO
1418	ENDDO
1419	ENDDO
1420	ENDIF
1421
1422	!
1423	!-- Use these mean profiles at the inflow (provided that Dirichlet
1424	!-- conditions are used)
1425	IF ( inflow_l ) THEN
1426	DO j = nysg, nyng
1427	DO k = nzb, nzt+1
1428	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1429	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1430	w(k,j,nxlg:-1) = 0.0_wp
1431	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1432	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
1433	IF ( humidity ) &
1434	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
1435	IF ( passive_scalar ) &
1436	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
1437	ENDDO
1438	ENDDO
1439	ENDIF
1440
1441	!
1442	!-- Calculate the damping factors to be used at the inflow. For a
1443	!-- turbulent inflow the turbulent fluctuations have to be limited
1444	!-- vertically because otherwise the turbulent inflow layer will grow
1445	!-- in time.
1446	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1447	!
1448	!-- Default: use the inversion height calculated by the prerun; if
1449	!-- this is zero, inflow_damping_height must be explicitly
1450	!-- specified.
1451	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1452	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1453	ELSE
1454	WRITE( message_string, * ) 'inflow_damping_height must be ', &
1455	'explicitly specified because&the inversion height ', &
1456	'calculated by the prerun is zero.'
1457	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1458	ENDIF
1459
1460	ENDIF
1461
1462	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1463	!
1464	!-- Default for the transition range: one tenth of the undamped
1465	!-- layer
1466	inflow_damping_width = 0.1_wp * inflow_damping_height
1467
1468	ENDIF
1469
1470	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1471
1472	DO k = nzb, nzt+1
1473
1474	IF ( zu(k) <= inflow_damping_height ) THEN
1475	inflow_damping_factor(k) = 1.0_wp
1476	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1477	inflow_damping_factor(k) = 1.0_wp - &
1478	( zu(k) - inflow_damping_height ) / &
1479	inflow_damping_width
1480	ELSE
1481	inflow_damping_factor(k) = 0.0_wp
1482	ENDIF
1483
1484	ENDDO
1485
1486	ENDIF
1487
1488	!
1489	!-- Inside buildings set velocities and TKE back to zero
1490	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1491	topography /= 'flat' ) THEN
1492	!
1493	!-- Inside buildings set velocities and TKE back to zero.
1494	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
1495	!-- maybe revise later.
1496	DO i = nxlg, nxrg
1497	DO j = nysg, nyng
1498	DO k = nzb, nzt
1499	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1500	BTEST( wall_flags_0(k,j,i), 1 ) )
1501	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1502	BTEST( wall_flags_0(k,j,i), 2 ) )
1503	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, &
1504	BTEST( wall_flags_0(k,j,i), 3 ) )
1505	e(k,j,i) = MERGE( e(k,j,i), 0.0_wp, &
1506	BTEST( wall_flags_0(k,j,i), 0 ) )
1507	tu_m(k,j,i) = MERGE( tu_m(k,j,i), 0.0_wp, &
1508	BTEST( wall_flags_0(k,j,i), 1 ) )
1509	tv_m(k,j,i) = MERGE( tv_m(k,j,i), 0.0_wp, &
1510	BTEST( wall_flags_0(k,j,i), 2 ) )
1511	tw_m(k,j,i) = MERGE( tw_m(k,j,i), 0.0_wp, &
1512	BTEST( wall_flags_0(k,j,i), 3 ) )
1513	te_m(k,j,i) = MERGE( te_m(k,j,i), 0.0_wp, &
1514	BTEST( wall_flags_0(k,j,i), 0 ) )
1515	tpt_m(k,j,i) = MERGE( tpt_m(k,j,i), 0.0_wp, &
1516	BTEST( wall_flags_0(k,j,i), 0 ) )
1517	ENDDO
1518	ENDDO
1519	ENDDO
1520
1521	ENDIF
1522
1523	!
1524	!-- Calculate initial temperature field and other constants used in case
1525	!-- of a sloping surface
1526	IF ( sloping_surface ) CALL init_slope
1527
1528	!
1529	!-- Initialize new time levels (only done in order to set boundary values
1530	!-- including ghost points)
1531	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1532	IF ( humidity ) THEN
1533	q_p = q
1534	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1535	qr_p = qr
1536	nr_p = nr
1537	ENDIF
1538	ENDIF
1539	IF ( passive_scalar ) s_p = s
1540	IF ( ocean ) sa_p = sa
1541
1542	!
1543	!-- Allthough tendency arrays are set in prognostic_equations, they have
1544	!-- have to be predefined here because they are used (but multiplied with 0)
1545	!-- there before they are set.
1546	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
1547	IF ( humidity ) THEN
1548	tq_m = 0.0_wp
1549	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1550	tqr_m = 0.0_wp
1551	tnr_m = 0.0_wp
1552	ENDIF
1553	ENDIF
1554	IF ( passive_scalar ) ts_m = 0.0_wp
1555	IF ( ocean ) tsa_m = 0.0_wp
1556	!
1557	!-- Initialize synthetic turbulence generator in case of restart.
1558	IF ( TRIM( initializing_actions ) == 'read_restart_data' .AND. &
1559	use_synthetic_turbulence_generator ) CALL stg_init
1560
1561	CALL location_message( 'finished', .TRUE. )
1562
1563	ELSE
1564	!
1565	!-- Actually this part of the programm should not be reached
1566	message_string = 'unknown initializing problem'
1567	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1568	ENDIF
1569
1570
1571	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1572	!
1573	!-- Initialize old timelevels needed for radiation boundary conditions
1574	IF ( outflow_l ) THEN
1575	u_m_l(:,:,:) = u(:,:,1:2)
1576	v_m_l(:,:,:) = v(:,:,0:1)
1577	w_m_l(:,:,:) = w(:,:,0:1)
1578	ENDIF
1579	IF ( outflow_r ) THEN
1580	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1581	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1582	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1583	ENDIF
1584	IF ( outflow_s ) THEN
1585	u_m_s(:,:,:) = u(:,0:1,:)
1586	v_m_s(:,:,:) = v(:,1:2,:)
1587	w_m_s(:,:,:) = w(:,0:1,:)
1588	ENDIF
1589	IF ( outflow_n ) THEN
1590	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1591	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1592	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1593	ENDIF
1594
1595	ENDIF
1596
1597	!
1598	!-- Calculate the initial volume flow at the right and north boundary
1599	IF ( conserve_volume_flow ) THEN
1600
1601	IF ( use_prescribed_profile_data ) THEN
1602
1603	volume_flow_initial_l = 0.0_wp
1604	volume_flow_area_l = 0.0_wp
1605
1606	IF ( nxr == nx ) THEN
1607	DO j = nys, nyn
1608	DO k = nzb+1, nzt
1609	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1610	u_init(k) * dzw(k) &
1611	* MERGE( 1.0_wp, 0.0_wp, &
1612	BTEST( wall_flags_0(k,j,nxr), 1 )&
1613	)
1614
1615	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1616	* MERGE( 1.0_wp, 0.0_wp, &
1617	BTEST( wall_flags_0(k,j,nxr), 1 )&
1618	)
1619	ENDDO
1620	ENDDO
1621	ENDIF
1622
1623	IF ( nyn == ny ) THEN
1624	DO i = nxl, nxr
1625	DO k = nzb+1, nzt
1626	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1627	v_init(k) * dzw(k) &
1628	* MERGE( 1.0_wp, 0.0_wp, &
1629	BTEST( wall_flags_0(k,nyn,i), 2 )&
1630	)
1631	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1632	* MERGE( 1.0_wp, 0.0_wp, &
1633	BTEST( wall_flags_0(k,nyn,i), 2 )&
1634	)
1635	ENDDO
1636	ENDDO
1637	ENDIF
1638
1639	#if defined( __parallel )
1640	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1641	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1642	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1643	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1644
1645	#else
1646	volume_flow_initial = volume_flow_initial_l
1647	volume_flow_area = volume_flow_area_l
1648	#endif
1649
1650	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1651
1652	volume_flow_initial_l = 0.0_wp
1653	volume_flow_area_l = 0.0_wp
1654
1655	IF ( nxr == nx ) THEN
1656	DO j = nys, nyn
1657	DO k = nzb+1, nzt
1658	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1659	hom_sum(k,1,0) * dzw(k) &
1660	* MERGE( 1.0_wp, 0.0_wp, &
1661	BTEST( wall_flags_0(k,j,nx), 1 ) &
1662	)
1663	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1664	* MERGE( 1.0_wp, 0.0_wp, &
1665	BTEST( wall_flags_0(k,j,nx), 1 ) &
1666	)
1667	ENDDO
1668	ENDDO
1669	ENDIF
1670
1671	IF ( nyn == ny ) THEN
1672	DO i = nxl, nxr
1673	DO k = nzb+1, nzt
1674	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1675	hom_sum(k,2,0) * dzw(k) &
1676	* MERGE( 1.0_wp, 0.0_wp, &
1677	BTEST( wall_flags_0(k,ny,i), 2 ) &
1678	)
1679	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1680	* MERGE( 1.0_wp, 0.0_wp, &
1681	BTEST( wall_flags_0(k,ny,i), 2 ) &
1682	)
1683	ENDDO
1684	ENDDO
1685	ENDIF
1686
1687	#if defined( __parallel )
1688	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1689	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1690	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1691	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1692
1693	#else
1694	volume_flow_initial = volume_flow_initial_l
1695	volume_flow_area = volume_flow_area_l
1696	#endif
1697
1698	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1699
1700	volume_flow_initial_l = 0.0_wp
1701	volume_flow_area_l = 0.0_wp
1702
1703	IF ( nxr == nx ) THEN
1704	DO j = nys, nyn
1705	DO k = nzb+1, nzt
1706	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1707	u(k,j,nx) * dzw(k) &
1708	* MERGE( 1.0_wp, 0.0_wp, &
1709	BTEST( wall_flags_0(k,j,nx), 1 ) &
1710	)
1711	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1712	* MERGE( 1.0_wp, 0.0_wp, &
1713	BTEST( wall_flags_0(k,j,nx), 1 ) &
1714	)
1715	ENDDO
1716	ENDDO
1717	ENDIF
1718
1719	IF ( nyn == ny ) THEN
1720	DO i = nxl, nxr
1721	DO k = nzb+1, nzt
1722	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1723	v(k,ny,i) * dzw(k) &
1724	* MERGE( 1.0_wp, 0.0_wp, &
1725	BTEST( wall_flags_0(k,ny,i), 2 ) &
1726	)
1727	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1728	* MERGE( 1.0_wp, 0.0_wp, &
1729	BTEST( wall_flags_0(k,ny,i), 2 ) &
1730	)
1731	ENDDO
1732	ENDDO
1733	ENDIF
1734
1735	#if defined( __parallel )
1736	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1737	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1738	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1739	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1740
1741	#else
1742	volume_flow_initial = volume_flow_initial_l
1743	volume_flow_area = volume_flow_area_l
1744	#endif
1745
1746	ENDIF
1747
1748	!
1749	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
1750	!-- from u\|v_bulk instead
1751	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1752	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1753	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1754	ENDIF
1755
1756	ENDIF
1757	!
1758	!-- Initialize surface elements and its attributes, e.g. heat- and
1759	!-- momentumfluxes, roughness, scaling parameters.
1760	!-- This is already done in case of restart data.
1761	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1762	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1763	CALL init_surfaces
1764	!
1765	!-- Finally, if random_heatflux is set, disturb shf at horizontal
1766	!-- surfaces. Actually, this should be done in surface_mod, where all other
1767	!-- initializations of surface quantities are done. However, this
1768	!-- would create a ring dependency, hence, it is done here. Maybe delete
1769	!-- disturb_heatflux and tranfer the respective code directly into the
1770	!-- initialization in surface_mod.
1771	IF ( use_surface_fluxes .AND. constant_heatflux .AND. &
1772	random_heatflux ) THEN
1773	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
1774	IF ( surf_lsm_h%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h )
1775	IF ( surf_usm_h%ns >= 1 ) CALL disturb_heatflux( surf_usm_h )
1776	ENDIF
1777	ENDIF
1778
1779	!
1780	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
1781	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
1782	IF ( large_scale_forcing .AND. lsf_surf ) THEN
1783	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
1784	CALL ls_forcing_surf ( simulated_time )
1785	ENDIF
1786	ENDIF
1787	!
1788	!-- Initialize quantities for special advections schemes
1789	CALL init_advec
1790
1791	!
1792	!-- Impose random perturbation on the horizontal velocity field and then
1793	!-- remove the divergences from the velocity field at the initial stage
1794	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
1795	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1796	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1797
1798	CALL location_message( 'creating initial disturbances', .FALSE. )
1799	CALL disturb_field( 'u', tend, u )
1800	CALL disturb_field( 'v', tend, v )
1801	CALL location_message( 'finished', .TRUE. )
1802
1803	CALL location_message( 'calling pressure solver', .FALSE. )
1804	n_sor = nsor_ini
1805	CALL pres
1806	n_sor = nsor
1807	CALL location_message( 'finished', .TRUE. )
1808
1809	ENDIF
1810
1811	!
1812	!-- If required, initialize quantities needed for the plant canopy model
1813	IF ( plant_canopy ) THEN
1814	CALL location_message( 'initializing plant canopy model', .FALSE. )
1815	CALL pcm_init
1816	CALL location_message( 'finished', .TRUE. )
1817	ENDIF
1818
1819	!
1820	!-- If required, initialize dvrp-software
1821	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
1822
1823	IF ( ocean ) THEN
1824	!
1825	!-- Initialize quantities needed for the ocean model
1826	CALL init_ocean
1827
1828	ELSE
1829	!
1830	!-- Initialize quantities for handling cloud physics
1831	!-- This routine must be called before lpm_init, because
1832	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
1833	!-- lpm_init) is not defined.
1834	CALL init_cloud_physics
1835	!
1836	!-- Initialize bulk cloud microphysics
1837	CALL microphysics_init
1838	ENDIF
1839
1840	!
1841	!-- If required, initialize particles
1842	IF ( particle_advection ) CALL lpm_init
1843
1844	!
1845	!-- If required, initialize quantities needed for the LSM
1846	IF ( land_surface ) THEN
1847	CALL location_message( 'initializing land surface model', .FALSE. )
1848	CALL lsm_init
1849	CALL location_message( 'finished', .TRUE. )
1850	ENDIF
1851
1852	!
1853	!-- Initialize surface layer (done after LSM as roughness length are required
1854	!-- for initialization
1855	IF ( constant_flux_layer ) THEN
1856	CALL location_message( 'initializing surface layer', .FALSE. )
1857	CALL init_surface_layer_fluxes
1858	CALL location_message( 'finished', .TRUE. )
1859	ENDIF
1860
1861	!
1862	!-- If required, initialize radiation model
1863	IF ( radiation ) THEN
1864	CALL location_message( 'initializing radiation model', .FALSE. )
1865	CALL radiation_init
1866	CALL location_message( 'finished', .TRUE. )
1867	ENDIF
1868
1869
1870	!
1871	!-- Temporary solution to add LSM and radiation time series to the default
1872	!-- output
1873	IF ( land_surface .OR. radiation ) THEN
1874	IF ( TRIM( radiation_scheme ) == 'rrtmg' ) THEN
1875	dots_num = dots_num + 15
1876	ELSE
1877	dots_num = dots_num + 11
1878	ENDIF
1879	ENDIF
1880
1881	!
1882	!-- If required, initialize urban surface model
1883	IF ( urban_surface ) THEN
1884	CALL location_message( 'initializing urban surface model', .FALSE. )
1885	CALL usm_init_urban_surface
1886	CALL location_message( 'finished', .TRUE. )
1887	ENDIF
1888
1889	!
1890	!-- If required, initialize quantities needed for the wind turbine model
1891	IF ( wind_turbine ) THEN
1892	CALL location_message( 'initializing wind turbine model', .FALSE. )
1893	CALL wtm_init
1894	CALL location_message( 'finished', .TRUE. )
1895	ENDIF
1896
1897
1898	!
1899	!-- Initialize the ws-scheme.
1900	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1901
1902	!
1903	!-- Setting weighting factors for calculation of perturbation pressure
1904	!-- and turbulent quantities from the RK substeps
1905	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
1906
1907	weight_substep(1) = 1._wp/6._wp
1908	weight_substep(2) = 3._wp/10._wp
1909	weight_substep(3) = 8._wp/15._wp
1910
1911	weight_pres(1) = 1._wp/3._wp
1912	weight_pres(2) = 5._wp/12._wp
1913	weight_pres(3) = 1._wp/4._wp
1914
1915	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
1916
1917	weight_substep(1) = 1._wp/2._wp
1918	weight_substep(2) = 1._wp/2._wp
1919
1920	weight_pres(1) = 1._wp/2._wp
1921	weight_pres(2) = 1._wp/2._wp
1922
1923	ELSE ! for Euler-method
1924
1925	weight_substep(1) = 1.0_wp
1926	weight_pres(1) = 1.0_wp
1927
1928	ENDIF
1929
1930	!
1931	!-- Initialize Rayleigh damping factors
1932	rdf = 0.0_wp
1933	rdf_sc = 0.0_wp
1934	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
1935	IF ( .NOT. ocean ) THEN
1936	DO k = nzb+1, nzt
1937	IF ( zu(k) >= rayleigh_damping_height ) THEN
1938	rdf(k) = rayleigh_damping_factor * &
1939	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
1940	/ ( zu(nzt) - rayleigh_damping_height ) ) &
1941	)**2
1942	ENDIF
1943	ENDDO
1944	ELSE
1945	DO k = nzt, nzb+1, -1
1946	IF ( zu(k) <= rayleigh_damping_height ) THEN
1947	rdf(k) = rayleigh_damping_factor * &
1948	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
1949	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
1950	)**2
1951	ENDIF
1952	ENDDO
1953	ENDIF
1954	ENDIF
1955	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
1956
1957	!
1958	!-- Initialize the starting level and the vertical smoothing factor used for
1959	!-- the external pressure gradient
1960	dp_smooth_factor = 1.0_wp
1961	IF ( dp_external ) THEN
1962	!
1963	!-- Set the starting level dp_level_ind_b only if it has not been set before
1964	!-- (e.g. in init_grid).
1965	IF ( dp_level_ind_b == 0 ) THEN
1966	ind_array = MINLOC( ABS( dp_level_b - zu ) )
1967	dp_level_ind_b = ind_array(1) - 1 + nzb
1968	! MINLOC uses lower array bound 1
1969	ENDIF
1970	IF ( dp_smooth ) THEN
1971	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
1972	DO k = dp_level_ind_b+1, nzt
1973	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
1974	( REAL( k - dp_level_ind_b, KIND=wp ) / &
1975	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
1976	ENDDO
1977	ENDIF
1978	ENDIF
1979
1980	!
1981	!-- Initialize damping zone for the potential temperature in case of
1982	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
1983	!-- at the inflow boundary and decreases to zero at pt_damping_width.
1984	ptdf_x = 0.0_wp
1985	ptdf_y = 0.0_wp
1986	IF ( bc_lr_dirrad ) THEN
1987	DO i = nxl, nxr
1988	IF ( ( i * dx ) < pt_damping_width ) THEN
1989	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
1990	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
1991	REAL( pt_damping_width, KIND=wp ) ) ) )**2
1992	ENDIF
1993	ENDDO
1994	ELSEIF ( bc_lr_raddir ) THEN
1995	DO i = nxl, nxr
1996	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
1997	ptdf_x(i) = pt_damping_factor * &
1998	SIN( pi * 0.5_wp * &
1999	( ( i - nx ) * dx + pt_damping_width ) / &
2000	REAL( pt_damping_width, KIND=wp ) )**2
2001	ENDIF
2002	ENDDO
2003	ELSEIF ( bc_ns_dirrad ) THEN
2004	DO j = nys, nyn
2005	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
2006	ptdf_y(j) = pt_damping_factor * &
2007	SIN( pi * 0.5_wp * &
2008	( ( j - ny ) * dy + pt_damping_width ) / &
2009	REAL( pt_damping_width, KIND=wp ) )**2
2010	ENDIF
2011	ENDDO
2012	ELSEIF ( bc_ns_raddir ) THEN
2013	DO j = nys, nyn
2014	IF ( ( j * dy ) < pt_damping_width ) THEN
2015	ptdf_y(j) = pt_damping_factor * &
2016	SIN( pi * 0.5_wp * &
2017	( pt_damping_width - j * dy ) / &
2018	REAL( pt_damping_width, KIND=wp ) )**2
2019	ENDIF
2020	ENDDO
2021	ENDIF
2022
2023	!
2024	!-- Pre-set masks for regional statistics. Default is the total model domain.
2025	!-- Ghost points are excluded because counting values at the ghost boundaries
2026	!-- would bias the statistics
2027	rmask = 1.0_wp
2028	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
2029	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
2030
2031	!
2032	!-- User-defined initializing actions. Check afterwards, if maximum number
2033	!-- of allowed timeseries is exceeded
2034	CALL user_init
2035
2036	IF ( dots_num > dots_max ) THEN
2037	WRITE( message_string, * ) 'number of time series quantities exceeds', &
2038	' its maximum of dots_max = ', dots_max, &
2039	' &Please increase dots_max in modules.f90.'
2040	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
2041	ENDIF
2042
2043	!
2044	!-- Input binary data file is not needed anymore. This line must be placed
2045	!-- after call of user_init!
2046	CALL close_file( 13 )
2047
2048	!
2049	!-- Compute total sum of active mask grid points
2050	!-- and the mean surface level height for each statistic region
2051	!-- ngp_2dh: number of grid points of a horizontal cross section through the
2052	!-- total domain
2053	!-- ngp_3d: number of grid points of the total domain
2054	ngp_2dh_outer_l = 0
2055	ngp_2dh_outer = 0
2056	ngp_2dh_s_inner_l = 0
2057	ngp_2dh_s_inner = 0
2058	ngp_2dh_l = 0
2059	ngp_2dh = 0
2060	ngp_3d_inner_l = 0.0_wp
2061	ngp_3d_inner = 0
2062	ngp_3d = 0
2063	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
2064
2065	mean_surface_level_height = 0.0_wp
2066	mean_surface_level_height_l = 0.0_wp
2067
2068	!
2069	!-- To do: New concept for these non-topography grid points!
2070	DO sr = 0, statistic_regions
2071	DO i = nxl, nxr
2072	DO j = nys, nyn
2073	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
2074	!
2075	!-- All xy-grid points
2076	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
2077	!
2078	!-- Determine mean surface-level height. In case of downward-
2079	!-- facing walls are present, more than one surface level exist.
2080	!-- In this case, use the lowest surface-level height.
2081	IF ( surf_def_h(0)%start_index(j,i) <= &
2082	surf_def_h(0)%end_index(j,i) ) THEN
2083	m = surf_def_h(0)%start_index(j,i)
2084	k = surf_def_h(0)%k(m)
2085	mean_surface_level_height_l(sr) = &
2086	mean_surface_level_height_l(sr) + zw(k-1)
2087	ENDIF
2088	IF ( surf_lsm_h%start_index(j,i) <= &
2089	surf_lsm_h%end_index(j,i) ) THEN
2090	m = surf_lsm_h%start_index(j,i)
2091	k = surf_lsm_h%k(m)
2092	mean_surface_level_height_l(sr) = &
2093	mean_surface_level_height_l(sr) + zw(k-1)
2094	ENDIF
2095	IF ( surf_usm_h%start_index(j,i) <= &
2096	surf_usm_h%end_index(j,i) ) THEN
2097	m = surf_usm_h%start_index(j,i)
2098	k = surf_usm_h%k(m)
2099	mean_surface_level_height_l(sr) = &
2100	mean_surface_level_height_l(sr) + zw(k-1)
2101	ENDIF
2102
2103	k_surf = k - 1
2104
2105	DO k = nzb, nzt+1
2106	!
2107	!-- xy-grid points above topography
2108	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
2109	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 24 ) )
2110
2111	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
2112	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 22 ) )
2113
2114	ENDDO
2115	!
2116	!-- All grid points of the total domain above topography
2117	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
2118
2119
2120
2121	ENDIF
2122	ENDDO
2123	ENDDO
2124	ENDDO
2125
2126	sr = statistic_regions + 1
2127	#if defined( __parallel )
2128	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2129	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
2130	comm2d, ierr )
2131	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2132	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
2133	MPI_INTEGER, MPI_SUM, comm2d, ierr )
2134	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2135	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
2136	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
2137	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2138	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
2139	MPI_SUM, comm2d, ierr )
2140	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
2141	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2142	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
2143	mean_surface_level_height(0), sr, MPI_REAL, &
2144	MPI_SUM, comm2d, ierr )
2145	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
2146	#else
2147	ngp_2dh = ngp_2dh_l
2148	ngp_2dh_outer = ngp_2dh_outer_l
2149	ngp_2dh_s_inner = ngp_2dh_s_inner_l
2150	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
2151	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
2152	#endif
2153
2154	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
2155	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
2156
2157	!
2158	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
2159	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
2160	!-- the respective subdomain lie below the surface topography
2161	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
2162	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
2163	ngp_3d_inner(:) )
2164	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
2165
2166	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
2167	ngp_3d_inner_l, ngp_3d_inner_tmp )
2168
2169	CALL location_message( 'leaving init_3d_model', .TRUE. )
2170
2171	END SUBROUTINE init_3d_model

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