Home

Context Navigation

source: palm/trunk/SOURCE/init_3d_model.f90 @ 2007

Last change on this file since 2007 was 2007, checked in by kanani, 8 years ago

changes in the course of urban surface model implementation

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

File size: 74.8 KB

Line
1	!> @file init_3d_model.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of PALM.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 1997-2016 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	! Added support for urban surface model,
23	! adjusted location_message in case of plant_canopy
24	!
25	! Former revisions:
26	! -----------------
27	! $Id: init_3d_model.f90 2007 2016-08-24 15:47:17Z kanani $
28	!
29	! 2000 2016-08-20 18:09:15Z knoop
30	! Forced header and separation lines into 80 columns
31	!
32	! 1992 2016-08-12 15:14:59Z suehring
33	! Initializaton of scalarflux at model top
34	! Bugfixes in initialization of surface and top salinity flux, top scalar and
35	! humidity fluxes
36	!
37	! 1960 2016-07-12 16:34:24Z suehring
38	! Separate humidity and passive scalar
39	! Increase dimension for mean_inflow_profiles
40	! Remove inadvertent write-statement
41	! Bugfix, large-scale forcing is still not implemented for passive scalars
42	!
43	! 1957 2016-07-07 10:43:48Z suehring
44	! flight module added
45	!
46	! 1920 2016-05-30 10:50:15Z suehring
47	! Initialize us with very small number to avoid segmentation fault during
48	! calculation of Obukhov length
49	!
50	! 1918 2016-05-27 14:35:57Z raasch
51	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
52	! bugfix: initialization of local sum arrays are moved to the beginning of the
53	! routine because otherwise results from pres are overwritten
54	!
55	! 1914 2016-05-26 14:44:07Z witha
56	! Added initialization of the wind turbine model
57	!
58	! 1878 2016-04-19 12:30:36Z hellstea
59	! The zeroth element of weight_pres removed as unnecessary
60	!
61	! 1849 2016-04-08 11:33:18Z hoffmann
62	! Adapted for modularization of microphysics.
63	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
64	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
65	! microphysics_init.
66	!
67	! 1845 2016-04-08 08:29:13Z raasch
68	! nzb_2d replaced by nzb_u\|v_inner
69	!
70	! 1833 2016-04-07 14:23:03Z raasch
71	! initialization of spectra quantities moved to spectra_mod
72	!
73	! 1831 2016-04-07 13:15:51Z hoffmann
74	! turbulence renamed collision_turbulence
75	!
76	! 1826 2016-04-07 12:01:39Z maronga
77	! Renamed radiation calls.
78	! Renamed canopy model calls.
79	!
80	! 1822 2016-04-07 07:49:42Z hoffmann
81	! icloud_scheme replaced by microphysics_*
82	!
83	! 1817 2016-04-06 15:44:20Z maronga
84	! Renamed lsm calls.
85	!
86	! 1815 2016-04-06 13:49:59Z raasch
87	! zero-settings for velocities inside topography re-activated (was deactivated
88	! in r1762)
89	!
90	! 1788 2016-03-10 11:01:04Z maronga
91	! Added z0q.
92	! Syntax layout improved.
93	!
94	! 1783 2016-03-06 18:36:17Z raasch
95	! netcdf module name changed + related changes
96	!
97	! 1764 2016-02-28 12:45:19Z raasch
98	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
99	!
100	! 1762 2016-02-25 12:31:13Z hellstea
101	! Introduction of nested domain feature
102	!
103	! 1738 2015-12-18 13:56:05Z raasch
104	! calculate mean surface level height for each statistic region
105	!
106	! 1734 2015-12-02 12:17:12Z raasch
107	! no initial disturbances in case that the disturbance energy limit has been
108	! set zero
109	!
110	! 1707 2015-11-02 15:24:52Z maronga
111	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
112	! devision by zero in neutral stratification
113	!
114	! 1691 2015-10-26 16:17:44Z maronga
115	! Call to init_surface_layer added. rif is replaced by ol and zeta.
116	!
117	! 1682 2015-10-07 23:56:08Z knoop
118	! Code annotations made doxygen readable
119	!
120	! 1615 2015-07-08 18:49:19Z suehring
121	! Enable turbulent inflow for passive_scalar and humidity
122	!
123	! 1585 2015-04-30 07:05:52Z maronga
124	! Initialization of radiation code is now done after LSM initializtion
125	!
126	! 1575 2015-03-27 09:56:27Z raasch
127	! adjustments for psolver-queries
128	!
129	! 1551 2015-03-03 14:18:16Z maronga
130	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
131	! which is part of land_surface_model.
132	!
133	! 1507 2014-12-10 12:14:18Z suehring
134	! Bugfix: set horizontal velocity components to zero inside topography
135	!
136	! 1496 2014-12-02 17:25:50Z maronga
137	! Added initialization of the land surface and radiation schemes
138	!
139	! 1484 2014-10-21 10:53:05Z kanani
140	! Changes due to new module structure of the plant canopy model:
141	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
142	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
143	! call of subroutine init_plant_canopy added.
144	!
145	! 1431 2014-07-15 14:47:17Z suehring
146	! var_d added, in order to normalize spectra.
147	!
148	! 1429 2014-07-15 12:53:45Z knoop
149	! Ensemble run capability added to parallel random number generator
150	!
151	! 1411 2014-05-16 18:01:51Z suehring
152	! Initial horizontal velocity profiles were not set to zero at the first vertical
153	! grid level in case of non-cyclic lateral boundary conditions.
154	!
155	! 1406 2014-05-16 13:47:01Z raasch
156	! bugfix: setting of initial velocities at k=1 to zero not in case of a
157	! no-slip boundary condition for uv
158	!
159	! 1402 2014-05-09 14:25:13Z raasch
160	! location messages modified
161	!
162	! 1400 2014-05-09 14:03:54Z knoop
163	! Parallel random number generator added
164	!
165	! 1384 2014-05-02 14:31:06Z raasch
166	! location messages added
167	!
168	! 1361 2014-04-16 15:17:48Z hoffmann
169	! tend_* removed
170	! Bugfix: w_subs is not allocated anymore if it is already allocated
171	!
172	! 1359 2014-04-11 17:15:14Z hoffmann
173	! module lpm_init_mod added to use statements, because lpm_init has become a
174	! module
175	!
176	! 1353 2014-04-08 15:21:23Z heinze
177	! REAL constants provided with KIND-attribute
178	!
179	! 1340 2014-03-25 19:45:13Z kanani
180	! REAL constants defined as wp-kind
181	!
182	! 1322 2014-03-20 16:38:49Z raasch
183	! REAL constants defined as wp-kind
184	! module interfaces removed
185	!
186	! 1320 2014-03-20 08:40:49Z raasch
187	! ONLY-attribute added to USE-statements,
188	! kind-parameters added to all INTEGER and REAL declaration statements,
189	! kinds are defined in new module kinds,
190	! revision history before 2012 removed,
191	! comment fields (!:) to be used for variable explanations added to
192	! all variable declaration statements
193	!
194	! 1316 2014-03-17 07:44:59Z heinze
195	! Bugfix: allocation of w_subs
196	!
197	! 1299 2014-03-06 13:15:21Z heinze
198	! Allocate w_subs due to extension of large scale subsidence in combination
199	! with large scale forcing data (LSF_DATA)
200	!
201	! 1241 2013-10-30 11:36:58Z heinze
202	! Overwrite initial profiles in case of nudging
203	! Inititialize shf and qsws in case of large_scale_forcing
204	!
205	! 1221 2013-09-10 08:59:13Z raasch
206	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
207	! copy
208	!
209	! 1212 2013-08-15 08:46:27Z raasch
210	! array tri is allocated and included in data copy statement
211	!
212	! 1195 2013-07-01 12:27:57Z heinze
213	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
214	!
215	! 1179 2013-06-14 05:57:58Z raasch
216	! allocate and set ref_state to be used in buoyancy terms
217	!
218	! 1171 2013-05-30 11:27:45Z raasch
219	! diss array is allocated with full size if accelerator boards are used
220	!
221	! 1159 2013-05-21 11:58:22Z fricke
222	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
223	!
224	! 1153 2013-05-10 14:33:08Z raasch
225	! diss array is allocated with dummy elements even if it is not needed
226	! (required by PGI 13.4 / CUDA 5.0)
227	!
228	! 1115 2013-03-26 18:16:16Z hoffmann
229	! unused variables removed
230	!
231	! 1113 2013-03-10 02:48:14Z raasch
232	! openACC directive modified
233	!
234	! 1111 2013-03-08 23:54:10Z raasch
235	! openACC directives added for pres
236	! array diss allocated only if required
237	!
238	! 1092 2013-02-02 11:24:22Z raasch
239	! unused variables removed
240	!
241	! 1065 2012-11-22 17:42:36Z hoffmann
242	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
243	!
244	! 1053 2012-11-13 17:11:03Z hoffmann
245	! allocation and initialisation of necessary data arrays for the two-moment
246	! cloud physics scheme the two new prognostic equations (nr, qr):
247	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
248	! +tend_*, prr
249	!
250	! 1036 2012-10-22 13:43:42Z raasch
251	! code put under GPL (PALM 3.9)
252	!
253	! 1032 2012-10-21 13:03:21Z letzel
254	! save memory by not allocating pt_2 in case of neutral = .T.
255	!
256	! 1025 2012-10-07 16:04:41Z letzel
257	! bugfix: swap indices of mask for ghost boundaries
258	!
259	! 1015 2012-09-27 09:23:24Z raasch
260	! mask is set to zero for ghost boundaries
261	!
262	! 1010 2012-09-20 07:59:54Z raasch
263	! cpp switch __nopointer added for pointer free version
264	!
265	! 1003 2012-09-14 14:35:53Z raasch
266	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
267	!
268	! 1001 2012-09-13 14:08:46Z raasch
269	! all actions concerning leapfrog scheme removed
270	!
271	! 996 2012-09-07 10:41:47Z raasch
272	! little reformatting
273	!
274	! 978 2012-08-09 08:28:32Z fricke
275	! outflow damping layer removed
276	! roughness length for scalar quantites z0h added
277	! damping zone for the potential temperatur in case of non-cyclic lateral
278	! boundaries added
279	! initialization of ptdf_x, ptdf_y
280	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
281	!
282	! 849 2012-03-15 10:35:09Z raasch
283	! init_particles renamed lpm_init
284	!
285	! 825 2012-02-19 03:03:44Z raasch
286	! wang_collision_kernel renamed wang_kernel
287	!
288	! Revision 1.1 1998/03/09 16:22:22 raasch
289	! Initial revision
290	!
291	!
292	! Description:
293	! ------------
294	!> Allocation of arrays and initialization of the 3D model via
295	!> a) pre-run the 1D model
296	!> or
297	!> b) pre-set constant linear profiles
298	!> or
299	!> c) read values of a previous run
300	!------------------------------------------------------------------------------!
301	SUBROUTINE init_3d_model
302
303
304	USE advec_ws
305
306	USE arrays_3d
307
308	USE constants, &
309	ONLY: pi
310
311	USE control_parameters
312
313	USE flight_mod, &
314	ONLY: flight_init
315
316	USE grid_variables, &
317	ONLY: dx, dy
318
319	USE indices
320
321	USE lpm_init_mod, &
322	ONLY: lpm_init
323
324	USE kinds
325
326	USE land_surface_model_mod, &
327	ONLY: lsm_init, lsm_init_arrays, land_surface
328
329	USE ls_forcing_mod
330
331	USE microphysics_mod, &
332	ONLY: collision_turbulence, microphysics_init
333
334	USE model_1d, &
335	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
336
337	USE netcdf_interface, &
338	ONLY: dots_max, dots_num
339
340	USE particle_attributes, &
341	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
342
343	USE pegrid
344
345	USE plant_canopy_model_mod, &
346	ONLY: pcm_init, plant_canopy
347
348	USE radiation_model_mod, &
349	ONLY: radiation_init, radiation
350
351	USE random_function_mod
352
353	USE random_generator_parallel, &
354	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
355	id_random_array, seq_random_array
356
357	USE statistics, &
358	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
359	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
360	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
361	weight_pres, weight_substep
362
363	USE surface_layer_fluxes_mod, &
364	ONLY: init_surface_layer_fluxes
365
366	USE transpose_indices
367
368	USE urban_surface_mod, &
369	ONLY: urban_surface, usm_init_urban_surface
370
371	USE wind_turbine_model_mod, &
372	ONLY: wtm_init, wtm_init_arrays, wind_turbine
373
374	IMPLICIT NONE
375
376	INTEGER(iwp) :: i !<
377	INTEGER(iwp) :: ind_array(1) !<
378	INTEGER(iwp) :: j !<
379	INTEGER(iwp) :: k !<
380	INTEGER(iwp) :: sr !<
381
382	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
383
384	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
385	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
386
387	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
388	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
389
390	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
391	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
392	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
393
394
395	CALL location_message( 'allocating arrays', .FALSE. )
396	!
397	!-- Allocate arrays
398	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
399	mean_surface_level_height_l(0:statistic_regions), &
400	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
401	ngp_3d(0:statistic_regions), &
402	ngp_3d_inner(0:statistic_regions), &
403	ngp_3d_inner_l(0:statistic_regions), &
404	ngp_3d_inner_tmp(0:statistic_regions), &
405	sums_divnew_l(0:statistic_regions), &
406	sums_divold_l(0:statistic_regions) )
407	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
408	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
409	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
410	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
411	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
412	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
413	sums(nzb:nzt+1,pr_palm+max_pr_user), &
414	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
415	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
416	sums_up_fraction_l(10,3,0:statistic_regions), &
417	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
418	ts_value(dots_max,0:statistic_regions) )
419	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
420
421	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
422	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
423	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
424	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
425	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
426	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
427
428	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
429	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
430	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
431	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
432	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
433
434	#if defined( __nopointer )
435	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
436	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
437	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
438	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
439	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
440	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
441	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
442	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
443	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
444	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
445	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
446	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
447	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
448	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
449	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
450	#else
451	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
452	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
453	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
454	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
455	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
456	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
457	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
458	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
459	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
460	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
461	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
462	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
463	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
464	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
465	IF ( .NOT. neutral ) THEN
466	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
467	ENDIF
468	#endif
469
470	!
471	!-- Following array is required for perturbation pressure within the iterative
472	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
473	!-- the weighted average of the substeps and cannot be used in the Poisson
474	!-- solver.
475	IF ( psolver == 'sor' ) THEN
476	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
477	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
478	!
479	!-- For performance reasons, multigrid is using one ghost layer only
480	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
481	ENDIF
482
483	!
484	!-- Array for storing constant coeffficients of the tridiagonal solver
485	IF ( psolver == 'poisfft' ) THEN
486	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
487	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
488	ENDIF
489
490	IF ( humidity ) THEN
491	!
492	!-- 2D-humidity
493	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
494	qsws(nysg:nyng,nxlg:nxrg), &
495	qswst(nysg:nyng,nxlg:nxrg) )
496
497	!
498	!-- 3D-humidity
499	#if defined( __nopointer )
500	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
501	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
502	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
503	#else
504	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
505	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
506	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
507	#endif
508
509	!
510	!-- 3D-arrays needed for humidity
511	IF ( humidity ) THEN
512	#if defined( __nopointer )
513	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
514	#else
515	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
516	#endif
517
518	IF ( cloud_physics ) THEN
519
520	!
521	!-- Liquid water content
522	#if defined( __nopointer )
523	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
524	#else
525	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
526	#endif
527	!
528	!-- Precipitation amount and rate (only needed if output is switched)
529	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
530	precipitation_rate(nysg:nyng,nxlg:nxrg) )
531
532	!
533	!-- 3D-cloud water content
534	#if defined( __nopointer )
535	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
536	#else
537	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
538	#endif
539	!
540	!-- 3d-precipitation rate
541	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
542
543	IF ( microphysics_seifert ) THEN
544	!
545	!-- 2D-rain water content and rain drop concentration arrays
546	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
547	qrsws(nysg:nyng,nxlg:nxrg), &
548	qrswst(nysg:nyng,nxlg:nxrg), &
549	nrs(nysg:nyng,nxlg:nxrg), &
550	nrsws(nysg:nyng,nxlg:nxrg), &
551	nrswst(nysg:nyng,nxlg:nxrg) )
552	!
553	!-- 3D-rain water content, rain drop concentration arrays
554	#if defined( __nopointer )
555	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
556	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
557	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
558	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
559	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
560	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
561	#else
562	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
563	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
564	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
565	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
566	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
567	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
568	#endif
569	ENDIF
570
571	ENDIF
572
573	IF ( cloud_droplets ) THEN
574	!
575	!-- Liquid water content, change in liquid water content
576	#if defined( __nopointer )
577	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
578	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
579	#else
580	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
581	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
582	#endif
583	!
584	!-- Real volume of particles (with weighting), volume of particles
585	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
586	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
587	ENDIF
588
589	ENDIF
590
591	ENDIF
592
593
594	IF ( passive_scalar ) THEN
595	!
596	!-- 2D-scalar arrays
597	ALLOCATE ( ss(nysg:nyng,nxlg:nxrg), &
598	ssws(nysg:nyng,nxlg:nxrg), &
599	sswst(nysg:nyng,nxlg:nxrg) )
600
601	!
602	!-- 3D scalar arrays
603	#if defined( __nopointer )
604	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
605	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
606	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
607	#else
608	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
609	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
610	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
611	#endif
612	ENDIF
613
614	IF ( ocean ) THEN
615	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
616	saswst(nysg:nyng,nxlg:nxrg) )
617	#if defined( __nopointer )
618	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
619	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
620	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
621	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
622	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
623	#else
624	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
625	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
626	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
627	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
628	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
629	prho => prho_1
630	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
631	! density to be apointer
632	#endif
633	IF ( humidity_remote ) THEN
634	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
635	qswst_remote = 0.0_wp
636	ENDIF
637	ENDIF
638
639	!
640	!-- 3D-array for storing the dissipation, needed for calculating the sgs
641	!-- particle velocities
642	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence &
643	.OR. num_acc_per_node > 0 ) THEN
644	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
645	ENDIF
646
647	!
648	!-- 1D-array for large scale subsidence velocity
649	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
650	ALLOCATE ( w_subs(nzb:nzt+1) )
651	w_subs = 0.0_wp
652	ENDIF
653
654	!
655	!-- ID-array and state-space-array for the parallel random number generator
656	IF ( random_generator == 'random-parallel' ) THEN
657	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
658	ALLOCATE ( id_random_array(0:ny,0:nx) )
659	seq_random_array = 0
660	id_random_array = 0
661	ENDIF
662
663	!
664	!-- 4D-array for storing the Rif-values at vertical walls
665	IF ( topography /= 'flat' ) THEN
666	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
667	rif_wall = 0.0_wp
668	ENDIF
669
670	!
671	!-- Arrays to store velocity data from t-dt and the phase speeds which
672	!-- are needed for radiation boundary conditions
673	IF ( outflow_l ) THEN
674	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
675	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
676	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
677	ENDIF
678	IF ( outflow_r ) THEN
679	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
680	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
681	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
682	ENDIF
683	IF ( outflow_l .OR. outflow_r ) THEN
684	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
685	c_w(nzb:nzt+1,nysg:nyng) )
686	ENDIF
687	IF ( outflow_s ) THEN
688	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
689	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
690	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
691	ENDIF
692	IF ( outflow_n ) THEN
693	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
694	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
695	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
696	ENDIF
697	IF ( outflow_s .OR. outflow_n ) THEN
698	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
699	c_w(nzb:nzt+1,nxlg:nxrg) )
700	ENDIF
701	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
702	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
703	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
704	ENDIF
705
706
707	#if ! defined( __nopointer )
708	!
709	!-- Initial assignment of the pointers
710	e => e_1; e_p => e_2; te_m => e_3
711	IF ( .NOT. neutral ) THEN
712	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
713	ELSE
714	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
715	ENDIF
716	u => u_1; u_p => u_2; tu_m => u_3
717	v => v_1; v_p => v_2; tv_m => v_3
718	w => w_1; w_p => w_2; tw_m => w_3
719
720	IF ( humidity ) THEN
721	q => q_1; q_p => q_2; tq_m => q_3
722	IF ( humidity ) THEN
723	vpt => vpt_1
724	IF ( cloud_physics ) THEN
725	ql => ql_1
726	qc => qc_1
727	IF ( microphysics_seifert ) THEN
728	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
729	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
730	ENDIF
731	ENDIF
732	ENDIF
733	IF ( cloud_droplets ) THEN
734	ql => ql_1
735	ql_c => ql_2
736	ENDIF
737	ENDIF
738
739	IF ( passive_scalar ) THEN
740	s => s_1; s_p => s_2; ts_m => s_3
741	ENDIF
742
743	IF ( ocean ) THEN
744	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
745	ENDIF
746	#endif
747
748	!
749	!-- Allocate land surface model arrays
750	IF ( land_surface ) THEN
751	CALL lsm_init_arrays
752	ENDIF
753
754	!
755	!-- Allocate wind turbine model arrays
756	IF ( wind_turbine ) THEN
757	CALL wtm_init_arrays
758	ENDIF
759
760	!
761	!-- Initialize virtual flight measurements
762	IF ( virtual_flight ) THEN
763	CALL flight_init
764	ENDIF
765
766	!
767	!-- Allocate arrays containing the RK coefficient for calculation of
768	!-- perturbation pressure and turbulent fluxes. At this point values are
769	!-- set for pressure calculation during initialization (where no timestep
770	!-- is done). Further below the values needed within the timestep scheme
771	!-- will be set.
772	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
773	weight_pres(1:intermediate_timestep_count_max) )
774	weight_substep = 1.0_wp
775	weight_pres = 1.0_wp
776	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
777
778	CALL location_message( 'finished', .TRUE. )
779
780	!
781	!-- Initialize local summation arrays for routine flow_statistics.
782	!-- This is necessary because they may not yet have been initialized when they
783	!-- are called from flow_statistics (or - depending on the chosen model run -
784	!-- are never initialized)
785	sums_divnew_l = 0.0_wp
786	sums_divold_l = 0.0_wp
787	sums_l_l = 0.0_wp
788	sums_up_fraction_l = 0.0_wp
789	sums_wsts_bc_l = 0.0_wp
790
791
792	!
793	!-- Initialize model variables
794	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
795	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
796	!
797	!-- First model run of a possible job queue.
798	!-- Initial profiles of the variables must be computes.
799	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
800
801	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
802	!
803	!-- Use solutions of the 1D model as initial profiles,
804	!-- start 1D model
805	CALL init_1d_model
806	!
807	!-- Transfer initial profiles to the arrays of the 3D model
808	DO i = nxlg, nxrg
809	DO j = nysg, nyng
810	e(:,j,i) = e1d
811	kh(:,j,i) = kh1d
812	km(:,j,i) = km1d
813	pt(:,j,i) = pt_init
814	u(:,j,i) = u1d
815	v(:,j,i) = v1d
816	ENDDO
817	ENDDO
818
819	IF ( humidity ) THEN
820	DO i = nxlg, nxrg
821	DO j = nysg, nyng
822	q(:,j,i) = q_init
823	ENDDO
824	ENDDO
825	IF ( cloud_physics .AND. microphysics_seifert ) THEN
826	DO i = nxlg, nxrg
827	DO j = nysg, nyng
828	qr(:,j,i) = 0.0_wp
829	nr(:,j,i) = 0.0_wp
830	ENDDO
831	ENDDO
832
833	ENDIF
834	ENDIF
835	IF ( passive_scalar ) THEN
836	DO i = nxlg, nxrg
837	DO j = nysg, nyng
838	s(:,j,i) = s_init
839	ENDDO
840	ENDDO
841	ENDIF
842
843	IF ( .NOT. constant_diffusion ) THEN
844	DO i = nxlg, nxrg
845	DO j = nysg, nyng
846	e(:,j,i) = e1d
847	ENDDO
848	ENDDO
849	!
850	!-- Store initial profiles for output purposes etc.
851	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
852
853	IF ( constant_flux_layer ) THEN
854	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
855	ts = 0.0_wp ! could actually be computed more accurately in the
856	! 1D model. Update when opportunity arises.
857	us = us1d
858	usws = usws1d
859	vsws = vsws1d
860	ELSE
861	ts = 0.0_wp ! must be set, because used in
862	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
863	us = 0.0_wp
864	usws = 0.0_wp
865	vsws = 0.0_wp
866	ENDIF
867
868	ELSE
869	e = 0.0_wp ! must be set, because used in
870	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
871	ts = 0.0_wp
872	us = 0.0_wp
873	usws = 0.0_wp
874	vsws = 0.0_wp
875	ENDIF
876	uswst = top_momentumflux_u
877	vswst = top_momentumflux_v
878
879	!
880	!-- In every case qs = 0.0 (see also pt)
881	!-- This could actually be computed more accurately in the 1D model.
882	!-- Update when opportunity arises!
883	IF ( humidity ) THEN
884	qs = 0.0_wp
885	IF ( cloud_physics .AND. microphysics_seifert ) THEN
886	qrs = 0.0_wp
887	nrs = 0.0_wp
888	ENDIF
889	ENDIF
890	!
891	!-- Initialize scaling parameter for passive scalar
892	IF ( passive_scalar ) ss = 0.0_wp
893
894	!
895	!-- Inside buildings set velocities back to zero
896	IF ( topography /= 'flat' ) THEN
897	DO i = nxlg, nxrg
898	DO j = nysg, nyng
899	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
900	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
901	ENDDO
902	ENDDO
903
904	!
905	!-- WARNING: The extra boundary conditions set after running the
906	!-- ------- 1D model impose an error on the divergence one layer
907	!-- below the topography; need to correct later
908	!-- ATTENTION: Provisional correction for Piacsek & Williams
909	!-- --------- advection scheme: keep u and v zero one layer below
910	!-- the topography.
911	IF ( ibc_uv_b == 1 ) THEN
912	!
913	!-- Neumann condition
914	DO i = nxl-1, nxr+1
915	DO j = nys-1, nyn+1
916	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
917	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
918	ENDDO
919	ENDDO
920
921	ENDIF
922
923	ENDIF
924
925	CALL location_message( 'finished', .TRUE. )
926
927	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
928	THEN
929
930	CALL location_message( 'initializing with constant profiles', .FALSE. )
931	!
932	!-- Overwrite initial profiles in case of nudging
933	IF ( nudging ) THEN
934	pt_init = ptnudge(:,1)
935	u_init = unudge(:,1)
936	v_init = vnudge(:,1)
937	IF ( humidity ) THEN ! is passive_scalar correct???
938	q_init = qnudge(:,1)
939	ENDIF
940
941	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
942	'scalars from NUDGING_DATA are used.'
943	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
944	ENDIF
945
946	!
947	!-- Use constructed initial profiles (velocity constant with height,
948	!-- temperature profile with constant gradient)
949	DO i = nxlg, nxrg
950	DO j = nysg, nyng
951	pt(:,j,i) = pt_init
952	u(:,j,i) = u_init
953	v(:,j,i) = v_init
954	ENDDO
955	ENDDO
956
957	!
958	!-- Set initial horizontal velocities at the lowest computational grid
959	!-- levels to zero in order to avoid too small time steps caused by the
960	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
961	!-- in the limiting formula!).
962	IF ( ibc_uv_b /= 1 ) THEN
963	DO i = nxlg, nxrg
964	DO j = nysg, nyng
965	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
966	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
967	ENDDO
968	ENDDO
969	ENDIF
970
971	IF ( humidity ) THEN
972	DO i = nxlg, nxrg
973	DO j = nysg, nyng
974	q(:,j,i) = q_init
975	ENDDO
976	ENDDO
977	IF ( cloud_physics .AND. microphysics_seifert ) THEN
978
979	DO i = nxlg, nxrg
980	DO j = nysg, nyng
981	qr(:,j,i) = 0.0_wp
982	nr(:,j,i) = 0.0_wp
983	ENDDO
984	ENDDO
985
986	ENDIF
987	ENDIF
988
989	IF ( passive_scalar ) THEN
990	DO i = nxlg, nxrg
991	DO j = nysg, nyng
992	s(:,j,i) = s_init
993	ENDDO
994	ENDDO
995	ENDIF
996
997	IF ( ocean ) THEN
998	DO i = nxlg, nxrg
999	DO j = nysg, nyng
1000	sa(:,j,i) = sa_init
1001	ENDDO
1002	ENDDO
1003	ENDIF
1004
1005	IF ( constant_diffusion ) THEN
1006	km = km_constant
1007	kh = km / prandtl_number
1008	e = 0.0_wp
1009	ELSEIF ( e_init > 0.0_wp ) THEN
1010	DO k = nzb+1, nzt
1011	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
1012	ENDDO
1013	km(nzb,:,:) = km(nzb+1,:,:)
1014	km(nzt+1,:,:) = km(nzt,:,:)
1015	kh = km / prandtl_number
1016	e = e_init
1017	ELSE
1018	IF ( .NOT. ocean ) THEN
1019	kh = 0.01_wp ! there must exist an initial diffusion, because
1020	km = 0.01_wp ! otherwise no TKE would be produced by the
1021	! production terms, as long as not yet
1022	! e = (u/cm)*2 at k=nzb+1
1023	ELSE
1024	kh = 0.00001_wp
1025	km = 0.00001_wp
1026	ENDIF
1027	e = 0.0_wp
1028	ENDIF
1029	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
1030	ts = 0.0_wp
1031	!
1032	!-- Very small number is required for calculation of Obukhov length
1033	!-- at first timestep
1034	us = 1E-30_wp
1035	usws = 0.0_wp
1036	uswst = top_momentumflux_u
1037	vsws = 0.0_wp
1038	vswst = top_momentumflux_v
1039	IF ( humidity ) qs = 0.0_wp
1040	IF ( passive_scalar ) ss = 0.0_wp
1041
1042	!
1043	!-- Compute initial temperature field and other constants used in case
1044	!-- of a sloping surface
1045	IF ( sloping_surface ) CALL init_slope
1046
1047	CALL location_message( 'finished', .TRUE. )
1048
1049	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
1050	THEN
1051
1052	CALL location_message( 'initializing by user', .FALSE. )
1053	!
1054	!-- Initialization will completely be done by the user
1055	CALL user_init_3d_model
1056
1057	CALL location_message( 'finished', .TRUE. )
1058
1059	ENDIF
1060
1061	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
1062	.FALSE. )
1063
1064	!
1065	!-- Bottom boundary
1066	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
1067	u(nzb,:,:) = 0.0_wp
1068	v(nzb,:,:) = 0.0_wp
1069	ENDIF
1070
1071	!
1072	!-- Apply channel flow boundary condition
1073	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
1074	u(nzt+1,:,:) = 0.0_wp
1075	v(nzt+1,:,:) = 0.0_wp
1076	ENDIF
1077
1078	!
1079	!-- Calculate virtual potential temperature
1080	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
1081
1082	!
1083	!-- Store initial profiles for output purposes etc.
1084	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
1085	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
1086	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
1087	hom(nzb,1,5,:) = 0.0_wp
1088	hom(nzb,1,6,:) = 0.0_wp
1089	ENDIF
1090	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1091	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
1092	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
1093
1094	IF ( ocean ) THEN
1095	!
1096	!-- Store initial salinity profile
1097	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
1098	ENDIF
1099
1100	IF ( humidity ) THEN
1101	!
1102	!-- Store initial profile of total water content, virtual potential
1103	!-- temperature
1104	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1105	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
1106	IF ( cloud_physics .OR. cloud_droplets ) THEN
1107	!
1108	!-- Store initial profile of specific humidity and potential
1109	!-- temperature
1110	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1111	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1112	ENDIF
1113	ENDIF
1114
1115	IF ( passive_scalar ) THEN
1116	!
1117	!-- Store initial scalar profile
1118	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
1119	ENDIF
1120
1121	!
1122	!-- Initialize the random number generators (from numerical recipes)
1123	CALL random_function_ini
1124
1125	IF ( random_generator == 'random-parallel' ) THEN
1126	!-- Asigning an ID to every vertical gridpoint column
1127	!-- dependig on the ensemble run number.
1128	random_dummy=1
1129	DO j=0,ny
1130	DO i=0,nx
1131	id_random_array(j,i) = random_dummy + 1E6 &
1132	* ( ensemble_member_nr - 1000 )
1133	random_dummy = random_dummy + 1
1134	END DO
1135	ENDDO
1136	!-- Initializing with random_seed_parallel for every vertical
1137	!-- gridpoint column.
1138	random_dummy=0
1139	DO j = nysg, nyng
1140	DO i = nxlg, nxrg
1141	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
1142	CALL random_number_parallel (random_dummy)
1143	CALL random_seed_parallel (get=seq_random_array(:, j, i))
1144	END DO
1145	ENDDO
1146	ENDIF
1147
1148	!
1149	!-- Initialize fluxes at bottom surface
1150	IF ( use_surface_fluxes ) THEN
1151
1152	IF ( constant_heatflux ) THEN
1153	!
1154	!-- Heat flux is prescribed
1155	IF ( random_heatflux ) THEN
1156	CALL disturb_heatflux
1157	ELSE
1158	shf = surface_heatflux
1159	!
1160	!-- Initialize shf with data from external file LSF_DATA
1161	IF ( large_scale_forcing .AND. lsf_surf ) THEN
1162	CALL ls_forcing_surf ( simulated_time )
1163	ENDIF
1164
1165	!
1166	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
1167	IF ( TRIM( topography ) /= 'flat' ) THEN
1168	DO i = nxlg, nxrg
1169	DO j = nysg, nyng
1170	IF ( nzb_s_inner(j,i) /= 0 ) THEN
1171	shf(j,i) = wall_heatflux(0)
1172	ENDIF
1173	ENDDO
1174	ENDDO
1175	ENDIF
1176	ENDIF
1177	ENDIF
1178
1179	!
1180	!-- Determine the near-surface water flux
1181	IF ( humidity ) THEN
1182	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1183	qrsws = 0.0_wp
1184	nrsws = 0.0_wp
1185	ENDIF
1186	IF ( constant_waterflux ) THEN
1187	qsws = surface_waterflux
1188	!
1189	!-- Over topography surface_waterflux is replaced by
1190	!-- wall_humidityflux(0)
1191	IF ( TRIM( topography ) /= 'flat' ) THEN
1192	wall_qflux = wall_humidityflux
1193	DO i = nxlg, nxrg
1194	DO j = nysg, nyng
1195	IF ( nzb_s_inner(j,i) /= 0 ) THEN
1196	qsws(j,i) = wall_qflux(0)
1197	ENDIF
1198	ENDDO
1199	ENDDO
1200	ENDIF
1201	ENDIF
1202	ENDIF
1203	!
1204	!-- Initialize the near-surface scalar flux
1205	IF ( passive_scalar ) THEN
1206	IF ( constant_scalarflux ) THEN
1207	ssws = surface_scalarflux
1208	!
1209	!-- Over topography surface_scalarflux is replaced by
1210	!-- wall_scalarflux(0)
1211	IF ( TRIM( topography ) /= 'flat' ) THEN
1212	wall_sflux = wall_scalarflux
1213	DO i = nxlg, nxrg
1214	DO j = nysg, nyng
1215	IF ( nzb_s_inner(j,i) /= 0 ) ssws(j,i) = wall_sflux(0)
1216	ENDDO
1217	ENDDO
1218	ENDIF
1219	ENDIF
1220	ENDIF
1221	!
1222	!-- Initialize near-surface salinity flux
1223	IF ( ocean ) saswsb = bottom_salinityflux
1224
1225	ENDIF
1226
1227	!
1228	!-- Initialize fluxes at top surface
1229	!-- Currently, only the heatflux and salinity flux can be prescribed.
1230	!-- The latent flux is zero in this case!
1231	IF ( use_top_fluxes ) THEN
1232	!
1233	!-- Prescribe to heat flux
1234	IF ( constant_top_heatflux ) tswst = top_heatflux
1235	!
1236	!-- Prescribe zero latent flux at the top
1237	IF ( humidity ) THEN
1238	qswst = 0.0_wp
1239	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1240	nrswst = 0.0_wp
1241	qrswst = 0.0_wp
1242	ENDIF
1243	ENDIF
1244	!
1245	!-- Prescribe top scalar flux
1246	IF ( passive_scalar .AND. constant_top_scalarflux ) &
1247	sswst = top_scalarflux
1248	!
1249	!-- Prescribe top salinity flux
1250	IF ( ocean .AND. constant_top_salinityflux) &
1251	saswst = top_salinityflux
1252	!
1253	!-- Initialization in case of a coupled model run
1254	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
1255	tswst = 0.0_wp
1256	ENDIF
1257
1258	ENDIF
1259
1260	!
1261	!-- Initialize Prandtl layer quantities
1262	IF ( constant_flux_layer ) THEN
1263
1264	z0 = roughness_length
1265	z0h = z0h_factor * z0
1266	z0q = z0h_factor * z0
1267
1268	IF ( .NOT. constant_heatflux ) THEN
1269	!
1270	!-- Surface temperature is prescribed. Here the heat flux cannot be
1271	!-- simply estimated, because therefore ol, u* and theta* would have
1272	!-- to be computed by iteration. This is why the heat flux is assumed
1273	!-- to be zero before the first time step. It approaches its correct
1274	!-- value in the course of the first few time steps.
1275	shf = 0.0_wp
1276	ENDIF
1277
1278	IF ( humidity ) THEN
1279	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
1280	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1281	qrsws = 0.0_wp
1282	nrsws = 0.0_wp
1283	ENDIF
1284	ENDIF
1285	IF ( passive_scalar .AND. .NOT. constant_scalarflux ) ssws = 0.0_wp
1286
1287	ENDIF
1288
1289	!
1290	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
1291	!-- the reference state will be set (overwritten) in init_ocean)
1292	IF ( use_single_reference_value ) THEN
1293	IF ( .NOT. humidity ) THEN
1294	ref_state(:) = pt_reference
1295	ELSE
1296	ref_state(:) = vpt_reference
1297	ENDIF
1298	ELSE
1299	IF ( .NOT. humidity ) THEN
1300	ref_state(:) = pt_init(:)
1301	ELSE
1302	ref_state(:) = vpt(:,nys,nxl)
1303	ENDIF
1304	ENDIF
1305
1306	!
1307	!-- For the moment, vertical velocity is zero
1308	w = 0.0_wp
1309
1310	!
1311	!-- Initialize array sums (must be defined in first call of pres)
1312	sums = 0.0_wp
1313
1314	!
1315	!-- In case of iterative solvers, p must get an initial value
1316	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1317
1318	!
1319	!-- Treating cloud physics, liquid water content and precipitation amount
1320	!-- are zero at beginning of the simulation
1321	IF ( cloud_physics ) THEN
1322	ql = 0.0_wp
1323	qc = 0.0_wp
1324
1325	precipitation_amount = 0.0_wp
1326	ENDIF
1327	!
1328	!-- Impose vortex with vertical axis on the initial velocity profile
1329	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1330	CALL init_rankine
1331	ENDIF
1332
1333	!
1334	!-- Impose temperature anomaly (advection test only)
1335	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
1336	CALL init_pt_anomaly
1337	ENDIF
1338
1339	!
1340	!-- If required, change the surface temperature at the start of the 3D run
1341	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1342	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1343	ENDIF
1344
1345	!
1346	!-- If required, change the surface humidity/scalar at the start of the 3D
1347	!-- run
1348	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
1349	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1350
1351	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
1352	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
1353
1354
1355	!
1356	!-- Initialize old and new time levels.
1357	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
1358	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1359
1360	IF ( humidity ) THEN
1361	tq_m = 0.0_wp
1362	q_p = q
1363	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1364	tqr_m = 0.0_wp
1365	qr_p = qr
1366	tnr_m = 0.0_wp
1367	nr_p = nr
1368	ENDIF
1369	ENDIF
1370
1371	IF ( passive_scalar ) THEN
1372	ts_m = 0.0_wp
1373	s_p = s
1374	ENDIF
1375
1376	IF ( ocean ) THEN
1377	tsa_m = 0.0_wp
1378	sa_p = sa
1379	ENDIF
1380
1381	CALL location_message( 'finished', .TRUE. )
1382
1383	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1384	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1385	THEN
1386
1387	CALL location_message( 'initializing in case of restart / cyclic_fill', &
1388	.FALSE. )
1389	!
1390	!-- When reading data for cyclic fill of 3D prerun data files, read
1391	!-- some of the global variables from the restart file which are required
1392	!-- for initializing the inflow
1393	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1394
1395	DO i = 0, io_blocks-1
1396	IF ( i == io_group ) THEN
1397	CALL read_parts_of_var_list
1398	CALL close_file( 13 )
1399	ENDIF
1400	#if defined( __parallel )
1401	CALL MPI_BARRIER( comm2d, ierr )
1402	#endif
1403	ENDDO
1404
1405	ENDIF
1406
1407	!
1408	!-- Read binary data from restart file
1409	DO i = 0, io_blocks-1
1410	IF ( i == io_group ) THEN
1411	CALL read_3d_binary
1412	ENDIF
1413	#if defined( __parallel )
1414	CALL MPI_BARRIER( comm2d, ierr )
1415	#endif
1416	ENDDO
1417
1418	!
1419	!-- Initialization of the turbulence recycling method
1420	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1421	turbulent_inflow ) THEN
1422	!
1423	!-- First store the profiles to be used at the inflow.
1424	!-- These profiles are the (temporally) and horizontally averaged vertical
1425	!-- profiles from the prerun. Alternatively, prescribed profiles
1426	!-- for u,v-components can be used.
1427	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
1428
1429	IF ( use_prescribed_profile_data ) THEN
1430	mean_inflow_profiles(:,1) = u_init ! u
1431	mean_inflow_profiles(:,2) = v_init ! v
1432	ELSE
1433	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1434	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1435	ENDIF
1436	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1437	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
1438	IF ( humidity ) &
1439	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
1440	IF ( passive_scalar ) &
1441	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
1442
1443	!
1444	!-- If necessary, adjust the horizontal flow field to the prescribed
1445	!-- profiles
1446	IF ( use_prescribed_profile_data ) THEN
1447	DO i = nxlg, nxrg
1448	DO j = nysg, nyng
1449	DO k = nzb, nzt+1
1450	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1451	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1452	ENDDO
1453	ENDDO
1454	ENDDO
1455	ENDIF
1456
1457	!
1458	!-- Use these mean profiles at the inflow (provided that Dirichlet
1459	!-- conditions are used)
1460	IF ( inflow_l ) THEN
1461	DO j = nysg, nyng
1462	DO k = nzb, nzt+1
1463	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1464	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1465	w(k,j,nxlg:-1) = 0.0_wp
1466	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1467	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
1468	IF ( humidity ) &
1469	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
1470	IF ( passive_scalar ) &
1471	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
1472	ENDDO
1473	ENDDO
1474	ENDIF
1475
1476	!
1477	!-- Calculate the damping factors to be used at the inflow. For a
1478	!-- turbulent inflow the turbulent fluctuations have to be limited
1479	!-- vertically because otherwise the turbulent inflow layer will grow
1480	!-- in time.
1481	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1482	!
1483	!-- Default: use the inversion height calculated by the prerun; if
1484	!-- this is zero, inflow_damping_height must be explicitly
1485	!-- specified.
1486	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1487	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1488	ELSE
1489	WRITE( message_string, * ) 'inflow_damping_height must be ', &
1490	'explicitly specified because&the inversion height ', &
1491	'calculated by the prerun is zero.'
1492	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1493	ENDIF
1494
1495	ENDIF
1496
1497	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1498	!
1499	!-- Default for the transition range: one tenth of the undamped
1500	!-- layer
1501	inflow_damping_width = 0.1_wp * inflow_damping_height
1502
1503	ENDIF
1504
1505	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1506
1507	DO k = nzb, nzt+1
1508
1509	IF ( zu(k) <= inflow_damping_height ) THEN
1510	inflow_damping_factor(k) = 1.0_wp
1511	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1512	inflow_damping_factor(k) = 1.0_wp - &
1513	( zu(k) - inflow_damping_height ) / &
1514	inflow_damping_width
1515	ELSE
1516	inflow_damping_factor(k) = 0.0_wp
1517	ENDIF
1518
1519	ENDDO
1520
1521	ENDIF
1522
1523	!
1524	!-- Inside buildings set velocities and TKE back to zero
1525	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1526	topography /= 'flat' ) THEN
1527	!
1528	!-- Inside buildings set velocities and TKE back to zero.
1529	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
1530	!-- maybe revise later.
1531	DO i = nxlg, nxrg
1532	DO j = nysg, nyng
1533	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
1534	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
1535	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1536	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1537	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
1538	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
1539	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1540	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1541	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1542	ENDDO
1543	ENDDO
1544
1545	ENDIF
1546
1547	!
1548	!-- Calculate initial temperature field and other constants used in case
1549	!-- of a sloping surface
1550	IF ( sloping_surface ) CALL init_slope
1551
1552	!
1553	!-- Initialize new time levels (only done in order to set boundary values
1554	!-- including ghost points)
1555	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1556	IF ( humidity ) THEN
1557	q_p = q
1558	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1559	qr_p = qr
1560	nr_p = nr
1561	ENDIF
1562	ENDIF
1563	IF ( passive_scalar ) s_p = s
1564	IF ( ocean ) sa_p = sa
1565
1566	!
1567	!-- Allthough tendency arrays are set in prognostic_equations, they have
1568	!-- have to be predefined here because they are used (but multiplied with 0)
1569	!-- there before they are set.
1570	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
1571	IF ( humidity ) THEN
1572	tq_m = 0.0_wp
1573	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1574	tqr_m = 0.0_wp
1575	tnr_m = 0.0_wp
1576	ENDIF
1577	ENDIF
1578	IF ( passive_scalar ) ts_m = 0.0_wp
1579	IF ( ocean ) tsa_m = 0.0_wp
1580
1581	CALL location_message( 'finished', .TRUE. )
1582
1583	ELSE
1584	!
1585	!-- Actually this part of the programm should not be reached
1586	message_string = 'unknown initializing problem'
1587	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1588	ENDIF
1589
1590
1591	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1592	!
1593	!-- Initialize old timelevels needed for radiation boundary conditions
1594	IF ( outflow_l ) THEN
1595	u_m_l(:,:,:) = u(:,:,1:2)
1596	v_m_l(:,:,:) = v(:,:,0:1)
1597	w_m_l(:,:,:) = w(:,:,0:1)
1598	ENDIF
1599	IF ( outflow_r ) THEN
1600	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1601	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1602	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1603	ENDIF
1604	IF ( outflow_s ) THEN
1605	u_m_s(:,:,:) = u(:,0:1,:)
1606	v_m_s(:,:,:) = v(:,1:2,:)
1607	w_m_s(:,:,:) = w(:,0:1,:)
1608	ENDIF
1609	IF ( outflow_n ) THEN
1610	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1611	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1612	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1613	ENDIF
1614
1615	ENDIF
1616
1617	!
1618	!-- Calculate the initial volume flow at the right and north boundary
1619	IF ( conserve_volume_flow ) THEN
1620
1621	IF ( use_prescribed_profile_data ) THEN
1622
1623	volume_flow_initial_l = 0.0_wp
1624	volume_flow_area_l = 0.0_wp
1625
1626	IF ( nxr == nx ) THEN
1627	DO j = nys, nyn
1628	DO k = nzb_u_inner(j,nx)+1, nzt
1629	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1630	u_init(k) * dzw(k)
1631	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1632	ENDDO
1633	ENDDO
1634	ENDIF
1635
1636	IF ( nyn == ny ) THEN
1637	DO i = nxl, nxr
1638	DO k = nzb_v_inner(ny,i)+1, nzt
1639	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1640	v_init(k) * dzw(k)
1641	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1642	ENDDO
1643	ENDDO
1644	ENDIF
1645
1646	#if defined( __parallel )
1647	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1648	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1649	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1650	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1651
1652	#else
1653	volume_flow_initial = volume_flow_initial_l
1654	volume_flow_area = volume_flow_area_l
1655	#endif
1656
1657	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1658
1659	volume_flow_initial_l = 0.0_wp
1660	volume_flow_area_l = 0.0_wp
1661
1662	IF ( nxr == nx ) THEN
1663	DO j = nys, nyn
1664	DO k = nzb_u_inner(j,nx)+1, nzt
1665	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1666	hom_sum(k,1,0) * dzw(k)
1667	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1668	ENDDO
1669	ENDDO
1670	ENDIF
1671
1672	IF ( nyn == ny ) THEN
1673	DO i = nxl, nxr
1674	DO k = nzb_v_inner(ny,i)+1, nzt
1675	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1676	hom_sum(k,2,0) * dzw(k)
1677	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1678	ENDDO
1679	ENDDO
1680	ENDIF
1681
1682	#if defined( __parallel )
1683	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1684	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1685	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1686	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1687
1688	#else
1689	volume_flow_initial = volume_flow_initial_l
1690	volume_flow_area = volume_flow_area_l
1691	#endif
1692
1693	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1694
1695	volume_flow_initial_l = 0.0_wp
1696	volume_flow_area_l = 0.0_wp
1697
1698	IF ( nxr == nx ) THEN
1699	DO j = nys, nyn
1700	DO k = nzb_u_inner(j,nx)+1, nzt
1701	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1702	u(k,j,nx) * dzw(k)
1703	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1704	ENDDO
1705	ENDDO
1706	ENDIF
1707
1708	IF ( nyn == ny ) THEN
1709	DO i = nxl, nxr
1710	DO k = nzb_v_inner(ny,i)+1, nzt
1711	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1712	v(k,ny,i) * dzw(k)
1713	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1714	ENDDO
1715	ENDDO
1716	ENDIF
1717
1718	#if defined( __parallel )
1719	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1720	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1721	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1722	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1723
1724	#else
1725	volume_flow_initial = volume_flow_initial_l
1726	volume_flow_area = volume_flow_area_l
1727	#endif
1728
1729	ENDIF
1730
1731	!
1732	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
1733	!-- from u\|v_bulk instead
1734	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1735	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1736	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1737	ENDIF
1738
1739	ENDIF
1740
1741	!
1742	!-- Initialize quantities for special advections schemes
1743	CALL init_advec
1744
1745	!
1746	!-- Impose random perturbation on the horizontal velocity field and then
1747	!-- remove the divergences from the velocity field at the initial stage
1748	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
1749	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1750	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1751
1752	CALL location_message( 'creating initial disturbances', .FALSE. )
1753	CALL disturb_field( nzb_u_inner, tend, u )
1754	CALL disturb_field( nzb_v_inner, tend, v )
1755	CALL location_message( 'finished', .TRUE. )
1756
1757	CALL location_message( 'calling pressure solver', .FALSE. )
1758	n_sor = nsor_ini
1759	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
1760	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
1761	!$acc copyin( weight_pres, weight_substep ) &
1762	!$acc copy( tri, tric, u, v, w )
1763	CALL pres
1764	!$acc end data
1765	n_sor = nsor
1766	CALL location_message( 'finished', .TRUE. )
1767
1768	ENDIF
1769
1770	!
1771	!-- If required, initialize quantities needed for the plant canopy model
1772	IF ( plant_canopy ) THEN
1773	CALL location_message( 'initializing plant canopy model', .FALSE. )
1774	CALL pcm_init
1775	CALL location_message( 'finished', .TRUE. )
1776	ENDIF
1777
1778	!
1779	!-- If required, initialize dvrp-software
1780	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
1781
1782	IF ( ocean ) THEN
1783	!
1784	!-- Initialize quantities needed for the ocean model
1785	CALL init_ocean
1786
1787	ELSE
1788	!
1789	!-- Initialize quantities for handling cloud physics
1790	!-- This routine must be called before lpm_init, because
1791	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
1792	!-- lpm_init) is not defined.
1793	CALL init_cloud_physics
1794	!
1795	!-- Initialize bulk cloud microphysics
1796	CALL microphysics_init
1797	ENDIF
1798
1799	!
1800	!-- If required, initialize particles
1801	IF ( particle_advection ) CALL lpm_init
1802
1803	!
1804	!-- If required, initialize quantities needed for the LSM
1805	IF ( land_surface ) THEN
1806	CALL location_message( 'initializing land surface model', .FALSE. )
1807	CALL lsm_init
1808	CALL location_message( 'finished', .TRUE. )
1809	ENDIF
1810
1811	!
1812	!-- Initialize surface layer (done after LSM as roughness length are required
1813	!-- for initialization
1814	IF ( constant_flux_layer ) THEN
1815	CALL location_message( 'initializing surface layer', .FALSE. )
1816	CALL init_surface_layer_fluxes
1817	CALL location_message( 'finished', .TRUE. )
1818	ENDIF
1819
1820	!
1821	!-- If required, initialize radiation model
1822	IF ( radiation ) THEN
1823	CALL location_message( 'initializing radiation model', .FALSE. )
1824	CALL radiation_init
1825	CALL location_message( 'finished', .TRUE. )
1826	ENDIF
1827
1828	!
1829	!-- If required, initialize urban surface model
1830	IF ( urban_surface ) THEN
1831	CALL location_message( 'initializing urban surface model', .FALSE. )
1832	CALL usm_init_urban_surface
1833	CALL location_message( 'finished', .TRUE. )
1834	ENDIF
1835
1836	!
1837	!-- If required, initialize quantities needed for the wind turbine model
1838	IF ( wind_turbine ) THEN
1839	CALL location_message( 'initializing wind turbine model', .FALSE. )
1840	CALL wtm_init
1841	CALL location_message( 'finished', .TRUE. )
1842	ENDIF
1843
1844
1845	!
1846	!-- Initialize the ws-scheme.
1847	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1848
1849	!
1850	!-- Setting weighting factors for calculation of perturbation pressure
1851	!-- and turbulent quantities from the RK substeps
1852	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
1853
1854	weight_substep(1) = 1._wp/6._wp
1855	weight_substep(2) = 3._wp/10._wp
1856	weight_substep(3) = 8._wp/15._wp
1857
1858	weight_pres(1) = 1._wp/3._wp
1859	weight_pres(2) = 5._wp/12._wp
1860	weight_pres(3) = 1._wp/4._wp
1861
1862	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
1863
1864	weight_substep(1) = 1._wp/2._wp
1865	weight_substep(2) = 1._wp/2._wp
1866
1867	weight_pres(1) = 1._wp/2._wp
1868	weight_pres(2) = 1._wp/2._wp
1869
1870	ELSE ! for Euler-method
1871
1872	weight_substep(1) = 1.0_wp
1873	weight_pres(1) = 1.0_wp
1874
1875	ENDIF
1876
1877	!
1878	!-- Initialize Rayleigh damping factors
1879	rdf = 0.0_wp
1880	rdf_sc = 0.0_wp
1881	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
1882	IF ( .NOT. ocean ) THEN
1883	DO k = nzb+1, nzt
1884	IF ( zu(k) >= rayleigh_damping_height ) THEN
1885	rdf(k) = rayleigh_damping_factor * &
1886	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
1887	/ ( zu(nzt) - rayleigh_damping_height ) ) &
1888	)**2
1889	ENDIF
1890	ENDDO
1891	ELSE
1892	DO k = nzt, nzb+1, -1
1893	IF ( zu(k) <= rayleigh_damping_height ) THEN
1894	rdf(k) = rayleigh_damping_factor * &
1895	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
1896	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
1897	)**2
1898	ENDIF
1899	ENDDO
1900	ENDIF
1901	ENDIF
1902	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
1903
1904	!
1905	!-- Initialize the starting level and the vertical smoothing factor used for
1906	!-- the external pressure gradient
1907	dp_smooth_factor = 1.0_wp
1908	IF ( dp_external ) THEN
1909	!
1910	!-- Set the starting level dp_level_ind_b only if it has not been set before
1911	!-- (e.g. in init_grid).
1912	IF ( dp_level_ind_b == 0 ) THEN
1913	ind_array = MINLOC( ABS( dp_level_b - zu ) )
1914	dp_level_ind_b = ind_array(1) - 1 + nzb
1915	! MINLOC uses lower array bound 1
1916	ENDIF
1917	IF ( dp_smooth ) THEN
1918	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
1919	DO k = dp_level_ind_b+1, nzt
1920	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
1921	( REAL( k - dp_level_ind_b, KIND=wp ) / &
1922	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
1923	ENDDO
1924	ENDIF
1925	ENDIF
1926
1927	!
1928	!-- Initialize damping zone for the potential temperature in case of
1929	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
1930	!-- at the inflow boundary and decreases to zero at pt_damping_width.
1931	ptdf_x = 0.0_wp
1932	ptdf_y = 0.0_wp
1933	IF ( bc_lr_dirrad ) THEN
1934	DO i = nxl, nxr
1935	IF ( ( i * dx ) < pt_damping_width ) THEN
1936	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
1937	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
1938	REAL( pt_damping_width, KIND=wp ) ) ) )**2
1939	ENDIF
1940	ENDDO
1941	ELSEIF ( bc_lr_raddir ) THEN
1942	DO i = nxl, nxr
1943	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
1944	ptdf_x(i) = pt_damping_factor * &
1945	SIN( pi * 0.5_wp * &
1946	( ( i - nx ) * dx + pt_damping_width ) / &
1947	REAL( pt_damping_width, KIND=wp ) )**2
1948	ENDIF
1949	ENDDO
1950	ELSEIF ( bc_ns_dirrad ) THEN
1951	DO j = nys, nyn
1952	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
1953	ptdf_y(j) = pt_damping_factor * &
1954	SIN( pi * 0.5_wp * &
1955	( ( j - ny ) * dy + pt_damping_width ) / &
1956	REAL( pt_damping_width, KIND=wp ) )**2
1957	ENDIF
1958	ENDDO
1959	ELSEIF ( bc_ns_raddir ) THEN
1960	DO j = nys, nyn
1961	IF ( ( j * dy ) < pt_damping_width ) THEN
1962	ptdf_y(j) = pt_damping_factor * &
1963	SIN( pi * 0.5_wp * &
1964	( pt_damping_width - j * dy ) / &
1965	REAL( pt_damping_width, KIND=wp ) )**2
1966	ENDIF
1967	ENDDO
1968	ENDIF
1969
1970	!
1971	!-- Pre-set masks for regional statistics. Default is the total model domain.
1972	!-- Ghost points are excluded because counting values at the ghost boundaries
1973	!-- would bias the statistics
1974	rmask = 1.0_wp
1975	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
1976	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
1977
1978	!
1979	!-- User-defined initializing actions. Check afterwards, if maximum number
1980	!-- of allowed timeseries is exceeded
1981	CALL user_init
1982
1983	IF ( dots_num > dots_max ) THEN
1984	WRITE( message_string, * ) 'number of time series quantities exceeds', &
1985	' its maximum of dots_max = ', dots_max, &
1986	' &Please increase dots_max in modules.f90.'
1987	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
1988	ENDIF
1989
1990	!
1991	!-- Input binary data file is not needed anymore. This line must be placed
1992	!-- after call of user_init!
1993	CALL close_file( 13 )
1994
1995	!
1996	!-- Compute total sum of active mask grid points
1997	!-- and the mean surface level height for each statistic region
1998	!-- ngp_2dh: number of grid points of a horizontal cross section through the
1999	!-- total domain
2000	!-- ngp_3d: number of grid points of the total domain
2001	ngp_2dh_outer_l = 0
2002	ngp_2dh_outer = 0
2003	ngp_2dh_s_inner_l = 0
2004	ngp_2dh_s_inner = 0
2005	ngp_2dh_l = 0
2006	ngp_2dh = 0
2007	ngp_3d_inner_l = 0.0_wp
2008	ngp_3d_inner = 0
2009	ngp_3d = 0
2010	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
2011
2012	mean_surface_level_height = 0.0_wp
2013	mean_surface_level_height_l = 0.0_wp
2014
2015	DO sr = 0, statistic_regions
2016	DO i = nxl, nxr
2017	DO j = nys, nyn
2018	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
2019	!
2020	!-- All xy-grid points
2021	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
2022	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
2023	+ zw(nzb_s_inner(j,i))
2024	!
2025	!-- xy-grid points above topography
2026	DO k = nzb_s_outer(j,i), nz + 1
2027	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
2028	ENDDO
2029	DO k = nzb_s_inner(j,i), nz + 1
2030	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
2031	ENDDO
2032	!
2033	!-- All grid points of the total domain above topography
2034	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
2035	+ ( nz - nzb_s_inner(j,i) + 2 )
2036	ENDIF
2037	ENDDO
2038	ENDDO
2039	ENDDO
2040
2041	sr = statistic_regions + 1
2042	#if defined( __parallel )
2043	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2044	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
2045	comm2d, ierr )
2046	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2047	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
2048	MPI_INTEGER, MPI_SUM, comm2d, ierr )
2049	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2050	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
2051	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
2052	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2053	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
2054	MPI_SUM, comm2d, ierr )
2055	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
2056	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
2057	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
2058	mean_surface_level_height(0), sr, MPI_REAL, &
2059	MPI_SUM, comm2d, ierr )
2060	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
2061	#else
2062	ngp_2dh = ngp_2dh_l
2063	ngp_2dh_outer = ngp_2dh_outer_l
2064	ngp_2dh_s_inner = ngp_2dh_s_inner_l
2065	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
2066	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
2067	#endif
2068
2069	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
2070	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
2071
2072	!
2073	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
2074	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
2075	!-- the respective subdomain lie below the surface topography
2076	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
2077	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
2078	ngp_3d_inner(:) )
2079	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
2080
2081	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
2082	ngp_3d_inner_l, ngp_3d_inner_tmp )
2083
2084	CALL location_message( 'leaving init_3d_model', .TRUE. )
2085
2086	END SUBROUTINE init_3d_model

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

Download in other formats:

| Impressum | ©Leibniz Universität Hannover |