Home

Context Navigation

source: palm/trunk/SOURCE/init_3d_model.f90 @ 1822

Last change on this file since 1822 was 1822, checked in by hoffmann, 8 years ago
changes in LPM and bulk cloud microphysics
Property svn:keywords set to `Id`
File size: 69.9 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 terms
6	! of the GNU General Public License as published by the Free Software Foundation,
7	! either version 3 of the License, or (at your option) any later version.
8	!
9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
10	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12	!
13	! You should have received a copy of the GNU General Public License along with
14	! PALM. If not, see <http://www.gnu.org/licenses/>.
15	!
16	! Copyright 1997-2016 Leibniz Universitaet Hannover
17	!--------------------------------------------------------------------------------!
18	!
19	! Current revisions:
20	! ------------------
21	! icloud_scheme replaced by microphysics_*
22	!
23	! Former revisions:
24	! -----------------
25	! $Id: init_3d_model.f90 1822 2016-04-07 07:49:42Z hoffmann $
26	!
27	! 1817 2016-04-06 15:44:20Z maronga
28	! Renamed lsm calls.
29	!
30	! 1815 2016-04-06 13:49:59Z raasch
31	! zero-settings for velocities inside topography re-activated (was deactivated
32	! in r1762)
33	!
34	! 1788 2016-03-10 11:01:04Z maronga
35	! Added z0q.
36	! Syntax layout improved.
37	!
38	! 1783 2016-03-06 18:36:17Z raasch
39	! netcdf module name changed + related changes
40	!
41	! 1764 2016-02-28 12:45:19Z raasch
42	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
43	!
44	! 1762 2016-02-25 12:31:13Z hellstea
45	! Introduction of nested domain feature
46	!
47	! 1738 2015-12-18 13:56:05Z raasch
48	! calculate mean surface level height for each statistic region
49	!
50	! 1734 2015-12-02 12:17:12Z raasch
51	! no initial disturbances in case that the disturbance energy limit has been
52	! set zero
53	!
54	! 1707 2015-11-02 15:24:52Z maronga
55	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
56	! devision by zero in neutral stratification
57	!
58	! 1691 2015-10-26 16:17:44Z maronga
59	! Call to init_surface_layer added. rif is replaced by ol and zeta.
60	!
61	! 1682 2015-10-07 23:56:08Z knoop
62	! Code annotations made doxygen readable
63	!
64	! 1615 2015-07-08 18:49:19Z suehring
65	! Enable turbulent inflow for passive_scalar and humidity
66	!
67	! 1585 2015-04-30 07:05:52Z maronga
68	! Initialization of radiation code is now done after LSM initializtion
69	!
70	! 1575 2015-03-27 09:56:27Z raasch
71	! adjustments for psolver-queries
72	!
73	! 1551 2015-03-03 14:18:16Z maronga
74	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
75	! which is part of land_surface_model.
76	!
77	! 1507 2014-12-10 12:14:18Z suehring
78	! Bugfix: set horizontal velocity components to zero inside topography
79	!
80	! 1496 2014-12-02 17:25:50Z maronga
81	! Added initialization of the land surface and radiation schemes
82	!
83	! 1484 2014-10-21 10:53:05Z kanani
84	! Changes due to new module structure of the plant canopy model:
85	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
86	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
87	! call of subroutine init_plant_canopy added.
88	!
89	! 1431 2014-07-15 14:47:17Z suehring
90	! var_d added, in order to normalize spectra.
91	!
92	! 1429 2014-07-15 12:53:45Z knoop
93	! Ensemble run capability added to parallel random number generator
94	!
95	! 1411 2014-05-16 18:01:51Z suehring
96	! Initial horizontal velocity profiles were not set to zero at the first vertical
97	! grid level in case of non-cyclic lateral boundary conditions.
98	!
99	! 1406 2014-05-16 13:47:01Z raasch
100	! bugfix: setting of initial velocities at k=1 to zero not in case of a
101	! no-slip boundary condition for uv
102	!
103	! 1402 2014-05-09 14:25:13Z raasch
104	! location messages modified
105	!
106	! 1400 2014-05-09 14:03:54Z knoop
107	! Parallel random number generator added
108	!
109	! 1384 2014-05-02 14:31:06Z raasch
110	! location messages added
111	!
112	! 1361 2014-04-16 15:17:48Z hoffmann
113	! tend_* removed
114	! Bugfix: w_subs is not allocated anymore if it is already allocated
115	!
116	! 1359 2014-04-11 17:15:14Z hoffmann
117	! module lpm_init_mod added to use statements, because lpm_init has become a
118	! module
119	!
120	! 1353 2014-04-08 15:21:23Z heinze
121	! REAL constants provided with KIND-attribute
122	!
123	! 1340 2014-03-25 19:45:13Z kanani
124	! REAL constants defined as wp-kind
125	!
126	! 1322 2014-03-20 16:38:49Z raasch
127	! REAL constants defined as wp-kind
128	! module interfaces removed
129	!
130	! 1320 2014-03-20 08:40:49Z raasch
131	! ONLY-attribute added to USE-statements,
132	! kind-parameters added to all INTEGER and REAL declaration statements,
133	! kinds are defined in new module kinds,
134	! revision history before 2012 removed,
135	! comment fields (!:) to be used for variable explanations added to
136	! all variable declaration statements
137	!
138	! 1316 2014-03-17 07:44:59Z heinze
139	! Bugfix: allocation of w_subs
140	!
141	! 1299 2014-03-06 13:15:21Z heinze
142	! Allocate w_subs due to extension of large scale subsidence in combination
143	! with large scale forcing data (LSF_DATA)
144	!
145	! 1241 2013-10-30 11:36:58Z heinze
146	! Overwrite initial profiles in case of nudging
147	! Inititialize shf and qsws in case of large_scale_forcing
148	!
149	! 1221 2013-09-10 08:59:13Z raasch
150	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
151	! copy
152	!
153	! 1212 2013-08-15 08:46:27Z raasch
154	! array tri is allocated and included in data copy statement
155	!
156	! 1195 2013-07-01 12:27:57Z heinze
157	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
158	!
159	! 1179 2013-06-14 05:57:58Z raasch
160	! allocate and set ref_state to be used in buoyancy terms
161	!
162	! 1171 2013-05-30 11:27:45Z raasch
163	! diss array is allocated with full size if accelerator boards are used
164	!
165	! 1159 2013-05-21 11:58:22Z fricke
166	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
167	!
168	! 1153 2013-05-10 14:33:08Z raasch
169	! diss array is allocated with dummy elements even if it is not needed
170	! (required by PGI 13.4 / CUDA 5.0)
171	!
172	! 1115 2013-03-26 18:16:16Z hoffmann
173	! unused variables removed
174	!
175	! 1113 2013-03-10 02:48:14Z raasch
176	! openACC directive modified
177	!
178	! 1111 2013-03-08 23:54:10Z raasch
179	! openACC directives added for pres
180	! array diss allocated only if required
181	!
182	! 1092 2013-02-02 11:24:22Z raasch
183	! unused variables removed
184	!
185	! 1065 2012-11-22 17:42:36Z hoffmann
186	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
187	!
188	! 1053 2012-11-13 17:11:03Z hoffmann
189	! allocation and initialisation of necessary data arrays for the two-moment
190	! cloud physics scheme the two new prognostic equations (nr, qr):
191	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
192	! +tend_*, prr
193	!
194	! 1036 2012-10-22 13:43:42Z raasch
195	! code put under GPL (PALM 3.9)
196	!
197	! 1032 2012-10-21 13:03:21Z letzel
198	! save memory by not allocating pt_2 in case of neutral = .T.
199	!
200	! 1025 2012-10-07 16:04:41Z letzel
201	! bugfix: swap indices of mask for ghost boundaries
202	!
203	! 1015 2012-09-27 09:23:24Z raasch
204	! mask is set to zero for ghost boundaries
205	!
206	! 1010 2012-09-20 07:59:54Z raasch
207	! cpp switch __nopointer added for pointer free version
208	!
209	! 1003 2012-09-14 14:35:53Z raasch
210	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
211	!
212	! 1001 2012-09-13 14:08:46Z raasch
213	! all actions concerning leapfrog scheme removed
214	!
215	! 996 2012-09-07 10:41:47Z raasch
216	! little reformatting
217	!
218	! 978 2012-08-09 08:28:32Z fricke
219	! outflow damping layer removed
220	! roughness length for scalar quantites z0h added
221	! damping zone for the potential temperatur in case of non-cyclic lateral
222	! boundaries added
223	! initialization of ptdf_x, ptdf_y
224	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
225	!
226	! 849 2012-03-15 10:35:09Z raasch
227	! init_particles renamed lpm_init
228	!
229	! 825 2012-02-19 03:03:44Z raasch
230	! wang_collision_kernel renamed wang_kernel
231	!
232	! Revision 1.1 1998/03/09 16:22:22 raasch
233	! Initial revision
234	!
235	!
236	! Description:
237	! ------------
238	!> Allocation of arrays and initialization of the 3D model via
239	!> a) pre-run the 1D model
240	!> or
241	!> b) pre-set constant linear profiles
242	!> or
243	!> c) read values of a previous run
244	!------------------------------------------------------------------------------!
245	SUBROUTINE init_3d_model
246
247
248	USE advec_ws
249
250	USE arrays_3d
251
252	USE cloud_parameters, &
253	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
254
255	USE constants, &
256	ONLY: pi
257
258	USE control_parameters
259
260	USE grid_variables, &
261	ONLY: dx, dy
262
263	USE indices
264
265	USE lpm_init_mod, &
266	ONLY: lpm_init
267
268	USE kinds
269
270	USE land_surface_model_mod, &
271	ONLY: lsm_init, lsm_init_arrays, land_surface
272
273	USE ls_forcing_mod
274
275	USE model_1d, &
276	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
277
278	USE netcdf_interface, &
279	ONLY: dots_max, dots_num
280
281	USE particle_attributes, &
282	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
283
284	USE pegrid
285
286	USE plant_canopy_model_mod, &
287	ONLY: init_plant_canopy, plant_canopy
288
289	USE radiation_model_mod, &
290	ONLY: init_radiation, radiation
291
292	USE random_function_mod
293
294	USE random_generator_parallel, &
295	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
296	id_random_array, seq_random_array
297
298	USE statistics, &
299	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
300	spectrum_x, spectrum_y, statistic_regions, sums, sums_divnew_l, &
301	sums_divold_l, sums_l, sums_l_l, sums_up_fraction_l, &
302	sums_wsts_bc_l, ts_value, var_d, weight_pres, weight_substep
303
304	USE surface_layer_fluxes_mod, &
305	ONLY: init_surface_layer_fluxes
306
307	USE transpose_indices
308
309	IMPLICIT NONE
310
311	INTEGER(iwp) :: i !<
312	INTEGER(iwp) :: ind_array(1) !<
313	INTEGER(iwp) :: j !<
314	INTEGER(iwp) :: k !<
315	INTEGER(iwp) :: sr !<
316
317	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
318
319	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
320	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
321
322	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
323	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
324
325	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
326	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
327	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
328
329
330	CALL location_message( 'allocating arrays', .FALSE. )
331	!
332	!-- Allocate arrays
333	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
334	mean_surface_level_height_l(0:statistic_regions), &
335	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
336	ngp_3d(0:statistic_regions), &
337	ngp_3d_inner(0:statistic_regions), &
338	ngp_3d_inner_l(0:statistic_regions), &
339	ngp_3d_inner_tmp(0:statistic_regions), &
340	sums_divnew_l(0:statistic_regions), &
341	sums_divold_l(0:statistic_regions) )
342	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
343	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
344	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
345	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
346	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
347	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
348	sums(nzb:nzt+1,pr_palm+max_pr_user), &
349	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
350	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
351	sums_up_fraction_l(10,3,0:statistic_regions), &
352	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
353	ts_value(dots_max,0:statistic_regions) )
354	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
355
356	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
357	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
358	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
359	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
360	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
361	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
362
363	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
364	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
365	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
366	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
367	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
368
369	#if defined( __nopointer )
370	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
371	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
372	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
373	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
374	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
375	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
376	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
377	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
378	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
379	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
380	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
381	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
382	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
383	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
384	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
385	#else
386	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
387	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
388	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
389	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
390	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
391	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
392	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
393	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
394	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
395	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
396	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
397	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
398	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
399	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
400	IF ( .NOT. neutral ) THEN
401	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
402	ENDIF
403	#endif
404
405	!
406	!-- Following array is required for perturbation pressure within the iterative
407	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
408	!-- the weighted average of the substeps and cannot be used in the Poisson
409	!-- solver.
410	IF ( psolver == 'sor' ) THEN
411	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
412	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
413	!
414	!-- For performance reasons, multigrid is using one ghost layer only
415	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
416	ENDIF
417
418	!
419	!-- Array for storing constant coeffficients of the tridiagonal solver
420	IF ( psolver == 'poisfft' ) THEN
421	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
422	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
423	ENDIF
424
425	IF ( humidity .OR. passive_scalar ) THEN
426	!
427	!-- 2D-humidity/scalar arrays
428	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
429	qsws(nysg:nyng,nxlg:nxrg), &
430	qswst(nysg:nyng,nxlg:nxrg) )
431
432	!
433	!-- 3D-humidity/scalar arrays
434	#if defined( __nopointer )
435	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
436	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
437	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
438	#else
439	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
440	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
441	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
442	#endif
443
444	!
445	!-- 3D-arrays needed for humidity only
446	IF ( humidity ) THEN
447	#if defined( __nopointer )
448	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
449	#else
450	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
451	#endif
452
453	IF ( cloud_physics ) THEN
454
455	!
456	!-- Liquid water content
457	#if defined( __nopointer )
458	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
459	#else
460	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
461	#endif
462	!
463	!-- Precipitation amount and rate (only needed if output is switched)
464	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
465	precipitation_rate(nysg:nyng,nxlg:nxrg) )
466
467	!
468	!-- 1D-arrays
469	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
470	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
471	!
472	!-- 3D-cloud water content
473	#if defined( __nopointer )
474	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
475	#else
476	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
477	#endif
478	!
479	!-- 3d-precipitation rate
480	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
481
482	IF ( microphysics_seifert ) THEN
483	!
484	!-- 1D-arrays
485	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
486
487	!
488	!-- 2D-rain water content and rain drop concentration arrays
489	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
490	qrsws(nysg:nyng,nxlg:nxrg), &
491	qrswst(nysg:nyng,nxlg:nxrg), &
492	nrs(nysg:nyng,nxlg:nxrg), &
493	nrsws(nysg:nyng,nxlg:nxrg), &
494	nrswst(nysg:nyng,nxlg:nxrg) )
495	!
496	!-- 3D-rain water content, rain drop concentration arrays
497	#if defined( __nopointer )
498	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
499	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
500	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
501	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
502	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
503	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
504	#else
505	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
506	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
507	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
508	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
509	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
510	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
511	#endif
512	ENDIF
513
514	ENDIF
515
516	IF ( cloud_droplets ) THEN
517	!
518	!-- Liquid water content, change in liquid water content
519	#if defined( __nopointer )
520	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
521	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
522	#else
523	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
524	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
525	#endif
526	!
527	!-- Real volume of particles (with weighting), volume of particles
528	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
529	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
530	ENDIF
531
532	ENDIF
533
534	ENDIF
535
536	IF ( ocean ) THEN
537	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
538	saswst(nysg:nyng,nxlg:nxrg) )
539	#if defined( __nopointer )
540	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
541	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
542	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
543	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
544	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
545	#else
546	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
547	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
548	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
549	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
550	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
551	prho => prho_1
552	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
553	! density to be apointer
554	#endif
555	IF ( humidity_remote ) THEN
556	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
557	qswst_remote = 0.0_wp
558	ENDIF
559	ENDIF
560
561	!
562	!-- 3D-array for storing the dissipation, needed for calculating the sgs
563	!-- particle velocities
564	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
565	num_acc_per_node > 0 ) THEN
566	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
567	ENDIF
568
569	IF ( dt_dosp /= 9999999.9_wp ) THEN
570	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
571	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
572	spectrum_x = 0.0_wp
573	spectrum_y = 0.0_wp
574
575	ALLOCATE( var_d(nzb:nzt+1) )
576	var_d = 0.0_wp
577	ENDIF
578
579	!
580	!-- 1D-array for large scale subsidence velocity
581	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
582	ALLOCATE ( w_subs(nzb:nzt+1) )
583	w_subs = 0.0_wp
584	ENDIF
585
586	!
587	!-- ID-array and state-space-array for the parallel random number generator
588	IF ( random_generator == 'random-parallel' ) THEN
589	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
590	ALLOCATE ( id_random_array(0:ny,0:nx) )
591	seq_random_array = 0
592	id_random_array = 0
593	ENDIF
594
595	!
596	!-- 4D-array for storing the Rif-values at vertical walls
597	IF ( topography /= 'flat' ) THEN
598	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
599	rif_wall = 0.0_wp
600	ENDIF
601
602	!
603	!-- Arrays to store velocity data from t-dt and the phase speeds which
604	!-- are needed for radiation boundary conditions
605	IF ( outflow_l ) THEN
606	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
607	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
608	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
609	ENDIF
610	IF ( outflow_r ) THEN
611	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
612	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
613	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
614	ENDIF
615	IF ( outflow_l .OR. outflow_r ) THEN
616	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
617	c_w(nzb:nzt+1,nysg:nyng) )
618	ENDIF
619	IF ( outflow_s ) THEN
620	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
621	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
622	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
623	ENDIF
624	IF ( outflow_n ) THEN
625	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
626	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
627	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
628	ENDIF
629	IF ( outflow_s .OR. outflow_n ) THEN
630	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
631	c_w(nzb:nzt+1,nxlg:nxrg) )
632	ENDIF
633	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
634	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
635	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
636	ENDIF
637
638
639	#if ! defined( __nopointer )
640	!
641	!-- Initial assignment of the pointers
642	e => e_1; e_p => e_2; te_m => e_3
643	IF ( .NOT. neutral ) THEN
644	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
645	ELSE
646	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
647	ENDIF
648	u => u_1; u_p => u_2; tu_m => u_3
649	v => v_1; v_p => v_2; tv_m => v_3
650	w => w_1; w_p => w_2; tw_m => w_3
651
652	IF ( humidity .OR. passive_scalar ) THEN
653	q => q_1; q_p => q_2; tq_m => q_3
654	IF ( humidity ) THEN
655	vpt => vpt_1
656	IF ( cloud_physics ) THEN
657	ql => ql_1
658	qc => qc_1
659	IF ( microphysics_seifert ) THEN
660	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
661	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
662	ENDIF
663	ENDIF
664	ENDIF
665	IF ( cloud_droplets ) THEN
666	ql => ql_1
667	ql_c => ql_2
668	ENDIF
669	ENDIF
670
671	IF ( ocean ) THEN
672	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
673	ENDIF
674	#endif
675
676	!
677	!-- Allocate land surface model arrays
678	IF ( land_surface ) THEN
679	CALL lsm_init_arrays
680	ENDIF
681
682	!
683	!-- Allocate arrays containing the RK coefficient for calculation of
684	!-- perturbation pressure and turbulent fluxes. At this point values are
685	!-- set for pressure calculation during initialization (where no timestep
686	!-- is done). Further below the values needed within the timestep scheme
687	!-- will be set.
688	!-- TO_DO: zeroth element added to weight_pres because in case of nesting
689	!-- pres may need to be called outside the RK-substeps. Antti will
690	!-- check if this is really required.
691	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
692	weight_pres(0:intermediate_timestep_count_max) )
693	weight_substep = 1.0_wp
694	weight_pres = 1.0_wp
695	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
696
697	CALL location_message( 'finished', .TRUE. )
698	!
699	!-- Initialize model variables
700	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
701	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
702	!
703	!-- First model run of a possible job queue.
704	!-- Initial profiles of the variables must be computes.
705	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
706
707	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
708	!
709	!-- Use solutions of the 1D model as initial profiles,
710	!-- start 1D model
711	CALL init_1d_model
712	!
713	!-- Transfer initial profiles to the arrays of the 3D model
714	DO i = nxlg, nxrg
715	DO j = nysg, nyng
716	e(:,j,i) = e1d
717	kh(:,j,i) = kh1d
718	km(:,j,i) = km1d
719	pt(:,j,i) = pt_init
720	u(:,j,i) = u1d
721	v(:,j,i) = v1d
722	ENDDO
723	ENDDO
724
725	IF ( humidity .OR. passive_scalar ) THEN
726	DO i = nxlg, nxrg
727	DO j = nysg, nyng
728	q(:,j,i) = q_init
729	ENDDO
730	ENDDO
731	IF ( cloud_physics .AND. microphysics_seifert ) THEN
732	DO i = nxlg, nxrg
733	DO j = nysg, nyng
734	qr(:,j,i) = 0.0_wp
735	nr(:,j,i) = 0.0_wp
736	ENDDO
737	ENDDO
738	!
739	!-- Initialze nc_1d with default value
740	nc_1d(:) = nc_const
741
742	ENDIF
743	ENDIF
744
745	IF ( .NOT. constant_diffusion ) THEN
746	DO i = nxlg, nxrg
747	DO j = nysg, nyng
748	e(:,j,i) = e1d
749	ENDDO
750	ENDDO
751	!
752	!-- Store initial profiles for output purposes etc.
753	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
754
755	IF ( constant_flux_layer ) THEN
756	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
757	ts = 0.0_wp ! could actually be computed more accurately in the
758	! 1D model. Update when opportunity arises.
759	us = us1d
760	usws = usws1d
761	vsws = vsws1d
762	ELSE
763	ts = 0.0_wp ! must be set, because used in
764	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
765	us = 0.0_wp
766	usws = 0.0_wp
767	vsws = 0.0_wp
768	ENDIF
769
770	ELSE
771	e = 0.0_wp ! must be set, because used in
772	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
773	ts = 0.0_wp
774	us = 0.0_wp
775	usws = 0.0_wp
776	vsws = 0.0_wp
777	ENDIF
778	uswst = top_momentumflux_u
779	vswst = top_momentumflux_v
780
781	!
782	!-- In every case qs = 0.0 (see also pt)
783	!-- This could actually be computed more accurately in the 1D model.
784	!-- Update when opportunity arises!
785	IF ( humidity .OR. passive_scalar ) THEN
786	qs = 0.0_wp
787	IF ( cloud_physics .AND. microphysics_seifert ) THEN
788	qrs = 0.0_wp
789	nrs = 0.0_wp
790	ENDIF
791	ENDIF
792
793	!
794	!-- Inside buildings set velocities back to zero
795	IF ( topography /= 'flat' ) THEN
796	DO i = nxlg, nxrg
797	DO j = nysg, nyng
798	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
799	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
800	ENDDO
801	ENDDO
802
803	!
804	!-- WARNING: The extra boundary conditions set after running the
805	!-- ------- 1D model impose an error on the divergence one layer
806	!-- below the topography; need to correct later
807	!-- ATTENTION: Provisional correction for Piacsek & Williams
808	!-- --------- advection scheme: keep u and v zero one layer below
809	!-- the topography.
810	IF ( ibc_uv_b == 1 ) THEN
811	!
812	!-- Neumann condition
813	DO i = nxl-1, nxr+1
814	DO j = nys-1, nyn+1
815	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
816	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
817	ENDDO
818	ENDDO
819
820	ENDIF
821
822	ENDIF
823
824	CALL location_message( 'finished', .TRUE. )
825
826	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
827	THEN
828
829	CALL location_message( 'initializing with constant profiles', .FALSE. )
830	!
831	!-- Overwrite initial profiles in case of nudging
832	IF ( nudging ) THEN
833	pt_init = ptnudge(:,1)
834	u_init = unudge(:,1)
835	v_init = vnudge(:,1)
836	IF ( humidity .OR. passive_scalar ) THEN
837	q_init = qnudge(:,1)
838	ENDIF
839
840	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
841	'scalars from NUDGING_DATA are used.'
842	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
843	ENDIF
844
845	!
846	!-- Use constructed initial profiles (velocity constant with height,
847	!-- temperature profile with constant gradient)
848	DO i = nxlg, nxrg
849	DO j = nysg, nyng
850	pt(:,j,i) = pt_init
851	u(:,j,i) = u_init
852	v(:,j,i) = v_init
853	ENDDO
854	ENDDO
855
856	!
857	!-- Set initial horizontal velocities at the lowest computational grid
858	!-- levels to zero in order to avoid too small time steps caused by the
859	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
860	!-- in the limiting formula!).
861	IF ( ibc_uv_b /= 1 ) THEN
862	DO i = nxlg, nxrg
863	DO j = nysg, nyng
864	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
865	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
866	ENDDO
867	ENDDO
868	ENDIF
869
870	IF ( humidity .OR. passive_scalar ) THEN
871	DO i = nxlg, nxrg
872	DO j = nysg, nyng
873	q(:,j,i) = q_init
874	ENDDO
875	ENDDO
876	IF ( cloud_physics .AND. microphysics_seifert ) THEN
877	!
878	!-- Initialze nc_1d with default value
879	nc_1d(:) = nc_const
880
881	DO i = nxlg, nxrg
882	DO j = nysg, nyng
883	qr(:,j,i) = 0.0_wp
884	nr(:,j,i) = 0.0_wp
885	ENDDO
886	ENDDO
887
888	ENDIF
889	ENDIF
890
891	IF ( ocean ) THEN
892	DO i = nxlg, nxrg
893	DO j = nysg, nyng
894	sa(:,j,i) = sa_init
895	ENDDO
896	ENDDO
897	ENDIF
898
899	IF ( constant_diffusion ) THEN
900	km = km_constant
901	kh = km / prandtl_number
902	e = 0.0_wp
903	ELSEIF ( e_init > 0.0_wp ) THEN
904	DO k = nzb+1, nzt
905	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
906	ENDDO
907	km(nzb,:,:) = km(nzb+1,:,:)
908	km(nzt+1,:,:) = km(nzt,:,:)
909	kh = km / prandtl_number
910	e = e_init
911	ELSE
912	IF ( .NOT. ocean ) THEN
913	kh = 0.01_wp ! there must exist an initial diffusion, because
914	km = 0.01_wp ! otherwise no TKE would be produced by the
915	! production terms, as long as not yet
916	! e = (u/cm)*2 at k=nzb+1
917	ELSE
918	kh = 0.00001_wp
919	km = 0.00001_wp
920	ENDIF
921	e = 0.0_wp
922	ENDIF
923	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
924	ts = 0.0_wp
925	us = 0.0_wp
926	usws = 0.0_wp
927	uswst = top_momentumflux_u
928	vsws = 0.0_wp
929	vswst = top_momentumflux_v
930	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
931
932	!
933	!-- Compute initial temperature field and other constants used in case
934	!-- of a sloping surface
935	IF ( sloping_surface ) CALL init_slope
936
937	CALL location_message( 'finished', .TRUE. )
938
939	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
940	THEN
941
942	CALL location_message( 'initializing by user', .FALSE. )
943	!
944	!-- Initialization will completely be done by the user
945	CALL user_init_3d_model
946
947	CALL location_message( 'finished', .TRUE. )
948
949	ENDIF
950
951	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
952	.FALSE. )
953
954	!
955	!-- Bottom boundary
956	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
957	u(nzb,:,:) = 0.0_wp
958	v(nzb,:,:) = 0.0_wp
959	ENDIF
960
961	!
962	!-- Apply channel flow boundary condition
963	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
964	u(nzt+1,:,:) = 0.0_wp
965	v(nzt+1,:,:) = 0.0_wp
966	ENDIF
967
968	!
969	!-- Calculate virtual potential temperature
970	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
971
972	!
973	!-- Store initial profiles for output purposes etc.
974	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
975	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
976	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
977	hom(nzb,1,5,:) = 0.0_wp
978	hom(nzb,1,6,:) = 0.0_wp
979	ENDIF
980	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
981	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
982	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
983
984	IF ( ocean ) THEN
985	!
986	!-- Store initial salinity profile
987	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
988	ENDIF
989
990	IF ( humidity ) THEN
991	!
992	!-- Store initial profile of total water content, virtual potential
993	!-- temperature
994	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
995	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
996	IF ( cloud_physics .OR. cloud_droplets ) THEN
997	!
998	!-- Store initial profile of specific humidity and potential
999	!-- temperature
1000	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1001	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
1002	ENDIF
1003	ENDIF
1004
1005	IF ( passive_scalar ) THEN
1006	!
1007	!-- Store initial scalar profile
1008	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
1009	ENDIF
1010
1011	!
1012	!-- Initialize the random number generators (from numerical recipes)
1013	CALL random_function_ini
1014
1015	IF ( random_generator == 'random-parallel' ) THEN
1016	!-- Asigning an ID to every vertical gridpoint column
1017	!-- dependig on the ensemble run number.
1018	random_dummy=1
1019	DO j=0,ny
1020	DO i=0,nx
1021	id_random_array(j,i) = random_dummy + 1E6 &
1022	* ( ensemble_member_nr - 1000 )
1023	random_dummy = random_dummy + 1
1024	END DO
1025	ENDDO
1026	!-- Initializing with random_seed_parallel for every vertical
1027	!-- gridpoint column.
1028	random_dummy=0
1029	DO j = nysg, nyng
1030	DO i = nxlg, nxrg
1031	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
1032	CALL random_number_parallel (random_dummy)
1033	CALL random_seed_parallel (get=seq_random_array(:, j, i))
1034	END DO
1035	ENDDO
1036	ENDIF
1037
1038	!
1039	!-- Initialize fluxes at bottom surface
1040	IF ( use_surface_fluxes ) THEN
1041
1042	IF ( constant_heatflux ) THEN
1043	!
1044	!-- Heat flux is prescribed
1045	IF ( random_heatflux ) THEN
1046	CALL disturb_heatflux
1047	ELSE
1048	shf = surface_heatflux
1049	!
1050	!-- Initialize shf with data from external file LSF_DATA
1051	IF ( large_scale_forcing .AND. lsf_surf ) THEN
1052	CALL ls_forcing_surf ( simulated_time )
1053	ENDIF
1054
1055	!
1056	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
1057	IF ( TRIM( topography ) /= 'flat' ) THEN
1058	DO i = nxlg, nxrg
1059	DO j = nysg, nyng
1060	IF ( nzb_s_inner(j,i) /= 0 ) THEN
1061	shf(j,i) = wall_heatflux(0)
1062	ENDIF
1063	ENDDO
1064	ENDDO
1065	ENDIF
1066	ENDIF
1067	ENDIF
1068
1069	!
1070	!-- Determine the near-surface water flux
1071	IF ( humidity .OR. passive_scalar ) THEN
1072	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1073	qrsws = 0.0_wp
1074	nrsws = 0.0_wp
1075	ENDIF
1076	IF ( constant_waterflux ) THEN
1077	qsws = surface_waterflux
1078	!
1079	!-- Over topography surface_waterflux is replaced by
1080	!-- wall_humidityflux(0)
1081	IF ( TRIM( topography ) /= 'flat' ) THEN
1082	wall_qflux = wall_humidityflux
1083	DO i = nxlg, nxrg
1084	DO j = nysg, nyng
1085	IF ( nzb_s_inner(j,i) /= 0 ) THEN
1086	qsws(j,i) = wall_qflux(0)
1087	ENDIF
1088	ENDDO
1089	ENDDO
1090	ENDIF
1091	ENDIF
1092	ENDIF
1093
1094	ENDIF
1095
1096	!
1097	!-- Initialize fluxes at top surface
1098	!-- Currently, only the heatflux and salinity flux can be prescribed.
1099	!-- The latent flux is zero in this case!
1100	IF ( use_top_fluxes ) THEN
1101
1102	IF ( constant_top_heatflux ) THEN
1103	!
1104	!-- Heat flux is prescribed
1105	tswst = top_heatflux
1106
1107	IF ( humidity .OR. passive_scalar ) THEN
1108	qswst = 0.0_wp
1109	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1110	nrswst = 0.0_wp
1111	qrswst = 0.0_wp
1112	ENDIF
1113	ENDIF
1114
1115	IF ( ocean ) THEN
1116	saswsb = bottom_salinityflux
1117	saswst = top_salinityflux
1118	ENDIF
1119	ENDIF
1120
1121	!
1122	!-- Initialization in case of a coupled model run
1123	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
1124	tswst = 0.0_wp
1125	ENDIF
1126
1127	ENDIF
1128
1129	!
1130	!-- Initialize Prandtl layer quantities
1131	IF ( constant_flux_layer ) THEN
1132
1133	z0 = roughness_length
1134	z0h = z0h_factor * z0
1135	z0q = z0h_factor * z0
1136
1137	IF ( .NOT. constant_heatflux ) THEN
1138	!
1139	!-- Surface temperature is prescribed. Here the heat flux cannot be
1140	!-- simply estimated, because therefore ol, u* and theta* would have
1141	!-- to be computed by iteration. This is why the heat flux is assumed
1142	!-- to be zero before the first time step. It approaches its correct
1143	!-- value in the course of the first few time steps.
1144	shf = 0.0_wp
1145	ENDIF
1146
1147	IF ( humidity .OR. passive_scalar ) THEN
1148	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
1149	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1150	qrsws = 0.0_wp
1151	nrsws = 0.0_wp
1152	ENDIF
1153	ENDIF
1154
1155	ENDIF
1156
1157	!
1158	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
1159	!-- the reference state will be set (overwritten) in init_ocean)
1160	IF ( use_single_reference_value ) THEN
1161	IF ( .NOT. humidity ) THEN
1162	ref_state(:) = pt_reference
1163	ELSE
1164	ref_state(:) = vpt_reference
1165	ENDIF
1166	ELSE
1167	IF ( .NOT. humidity ) THEN
1168	ref_state(:) = pt_init(:)
1169	ELSE
1170	ref_state(:) = vpt(:,nys,nxl)
1171	ENDIF
1172	ENDIF
1173
1174	!
1175	!-- For the moment, vertical velocity is zero
1176	w = 0.0_wp
1177
1178	!
1179	!-- Initialize array sums (must be defined in first call of pres)
1180	sums = 0.0_wp
1181
1182	!
1183	!-- In case of iterative solvers, p must get an initial value
1184	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1185
1186	!
1187	!-- Treating cloud physics, liquid water content and precipitation amount
1188	!-- are zero at beginning of the simulation
1189	IF ( cloud_physics ) THEN
1190	ql = 0.0_wp
1191	qc = 0.0_wp
1192
1193	precipitation_amount = 0.0_wp
1194
1195	IF ( microphysics_seifert ) THEN
1196	nc_1d = nc_const
1197	ENDIF
1198	ENDIF
1199	!
1200	!-- Impose vortex with vertical axis on the initial velocity profile
1201	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1202	CALL init_rankine
1203	ENDIF
1204
1205	!
1206	!-- Impose temperature anomaly (advection test only)
1207	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
1208	CALL init_pt_anomaly
1209	ENDIF
1210
1211	!
1212	!-- If required, change the surface temperature at the start of the 3D run
1213	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1214	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1215	ENDIF
1216
1217	!
1218	!-- If required, change the surface humidity/scalar at the start of the 3D
1219	!-- run
1220	IF ( ( humidity .OR. passive_scalar ) .AND. &
1221	q_surface_initial_change /= 0.0_wp ) THEN
1222	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1223	ENDIF
1224
1225	!
1226	!-- Initialize old and new time levels.
1227	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
1228	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1229
1230	IF ( humidity .OR. passive_scalar ) THEN
1231	tq_m = 0.0_wp
1232	q_p = q
1233	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1234	tqr_m = 0.0_wp
1235	qr_p = qr
1236	tnr_m = 0.0_wp
1237	nr_p = nr
1238	ENDIF
1239	ENDIF
1240
1241	IF ( ocean ) THEN
1242	tsa_m = 0.0_wp
1243	sa_p = sa
1244	ENDIF
1245
1246	CALL location_message( 'finished', .TRUE. )
1247
1248	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1249	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1250	THEN
1251
1252	CALL location_message( 'initializing in case of restart / cyclic_fill', &
1253	.FALSE. )
1254	!
1255	!-- When reading data for cyclic fill of 3D prerun data files, read
1256	!-- some of the global variables from the restart file which are required
1257	!-- for initializing the inflow
1258	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1259
1260	DO i = 0, io_blocks-1
1261	IF ( i == io_group ) THEN
1262	CALL read_parts_of_var_list
1263	CALL close_file( 13 )
1264	ENDIF
1265	#if defined( __parallel )
1266	CALL MPI_BARRIER( comm2d, ierr )
1267	#endif
1268	ENDDO
1269
1270	ENDIF
1271
1272	!
1273	!-- Read binary data from restart file
1274	DO i = 0, io_blocks-1
1275	IF ( i == io_group ) THEN
1276	CALL read_3d_binary
1277	ENDIF
1278	#if defined( __parallel )
1279	CALL MPI_BARRIER( comm2d, ierr )
1280	#endif
1281	ENDDO
1282
1283	!
1284	!-- Initialization of the turbulence recycling method
1285	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1286	turbulent_inflow ) THEN
1287	!
1288	!-- First store the profiles to be used at the inflow.
1289	!-- These profiles are the (temporally) and horizontally averaged vertical
1290	!-- profiles from the prerun. Alternatively, prescribed profiles
1291	!-- for u,v-components can be used.
1292	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,6) )
1293
1294	IF ( use_prescribed_profile_data ) THEN
1295	mean_inflow_profiles(:,1) = u_init ! u
1296	mean_inflow_profiles(:,2) = v_init ! v
1297	ELSE
1298	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1299	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1300	ENDIF
1301	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1302	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
1303	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
1304
1305	!
1306	!-- If necessary, adjust the horizontal flow field to the prescribed
1307	!-- profiles
1308	IF ( use_prescribed_profile_data ) THEN
1309	DO i = nxlg, nxrg
1310	DO j = nysg, nyng
1311	DO k = nzb, nzt+1
1312	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1313	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1314	ENDDO
1315	ENDDO
1316	ENDDO
1317	ENDIF
1318
1319	!
1320	!-- Use these mean profiles at the inflow (provided that Dirichlet
1321	!-- conditions are used)
1322	IF ( inflow_l ) THEN
1323	DO j = nysg, nyng
1324	DO k = nzb, nzt+1
1325	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1326	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1327	w(k,j,nxlg:-1) = 0.0_wp
1328	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1329	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
1330	IF ( humidity .OR. passive_scalar ) &
1331	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
1332	ENDDO
1333	ENDDO
1334	ENDIF
1335
1336	!
1337	!-- Calculate the damping factors to be used at the inflow. For a
1338	!-- turbulent inflow the turbulent fluctuations have to be limited
1339	!-- vertically because otherwise the turbulent inflow layer will grow
1340	!-- in time.
1341	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1342	!
1343	!-- Default: use the inversion height calculated by the prerun; if
1344	!-- this is zero, inflow_damping_height must be explicitly
1345	!-- specified.
1346	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1347	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1348	ELSE
1349	WRITE( message_string, * ) 'inflow_damping_height must be ', &
1350	'explicitly specified because&the inversion height ', &
1351	'calculated by the prerun is zero.'
1352	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1353	ENDIF
1354
1355	ENDIF
1356
1357	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1358	!
1359	!-- Default for the transition range: one tenth of the undamped
1360	!-- layer
1361	inflow_damping_width = 0.1_wp * inflow_damping_height
1362
1363	ENDIF
1364
1365	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1366
1367	DO k = nzb, nzt+1
1368
1369	IF ( zu(k) <= inflow_damping_height ) THEN
1370	inflow_damping_factor(k) = 1.0_wp
1371	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1372	inflow_damping_factor(k) = 1.0_wp - &
1373	( zu(k) - inflow_damping_height ) / &
1374	inflow_damping_width
1375	ELSE
1376	inflow_damping_factor(k) = 0.0_wp
1377	ENDIF
1378
1379	ENDDO
1380
1381	ENDIF
1382
1383	!
1384	!-- Inside buildings set velocities and TKE back to zero
1385	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1386	topography /= 'flat' ) THEN
1387	!
1388	!-- Inside buildings set velocities and TKE back to zero.
1389	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
1390	!-- maybe revise later.
1391	DO i = nxlg, nxrg
1392	DO j = nysg, nyng
1393	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
1394	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
1395	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1396	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1397	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
1398	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
1399	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1400	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1401	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1402	ENDDO
1403	ENDDO
1404
1405	ENDIF
1406
1407	!
1408	!-- Calculate initial temperature field and other constants used in case
1409	!-- of a sloping surface
1410	IF ( sloping_surface ) CALL init_slope
1411
1412	!
1413	!-- Initialize new time levels (only done in order to set boundary values
1414	!-- including ghost points)
1415	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1416	IF ( humidity .OR. passive_scalar ) THEN
1417	q_p = q
1418	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1419	qr_p = qr
1420	nr_p = nr
1421	ENDIF
1422	ENDIF
1423	IF ( ocean ) sa_p = sa
1424
1425	!
1426	!-- Allthough tendency arrays are set in prognostic_equations, they have
1427	!-- have to be predefined here because they are used (but multiplied with 0)
1428	!-- there before they are set.
1429	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
1430	IF ( humidity .OR. passive_scalar ) THEN
1431	tq_m = 0.0_wp
1432	IF ( cloud_physics .AND. microphysics_seifert ) THEN
1433	tqr_m = 0.0_wp
1434	tnr_m = 0.0_wp
1435	ENDIF
1436	ENDIF
1437	IF ( ocean ) tsa_m = 0.0_wp
1438
1439	CALL location_message( 'finished', .TRUE. )
1440
1441	ELSE
1442	!
1443	!-- Actually this part of the programm should not be reached
1444	message_string = 'unknown initializing problem'
1445	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1446	ENDIF
1447
1448
1449	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1450	!
1451	!-- Initialize old timelevels needed for radiation boundary conditions
1452	IF ( outflow_l ) THEN
1453	u_m_l(:,:,:) = u(:,:,1:2)
1454	v_m_l(:,:,:) = v(:,:,0:1)
1455	w_m_l(:,:,:) = w(:,:,0:1)
1456	ENDIF
1457	IF ( outflow_r ) THEN
1458	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1459	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1460	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1461	ENDIF
1462	IF ( outflow_s ) THEN
1463	u_m_s(:,:,:) = u(:,0:1,:)
1464	v_m_s(:,:,:) = v(:,1:2,:)
1465	w_m_s(:,:,:) = w(:,0:1,:)
1466	ENDIF
1467	IF ( outflow_n ) THEN
1468	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1469	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1470	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1471	ENDIF
1472
1473	ENDIF
1474
1475	!
1476	!-- Calculate the initial volume flow at the right and north boundary
1477	IF ( conserve_volume_flow ) THEN
1478
1479	IF ( use_prescribed_profile_data ) THEN
1480
1481	volume_flow_initial_l = 0.0_wp
1482	volume_flow_area_l = 0.0_wp
1483
1484	IF ( nxr == nx ) THEN
1485	DO j = nys, nyn
1486	DO k = nzb_2d(j,nx)+1, nzt
1487	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1488	u_init(k) * dzw(k)
1489	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1490	ENDDO
1491	ENDDO
1492	ENDIF
1493
1494	IF ( nyn == ny ) THEN
1495	DO i = nxl, nxr
1496	DO k = nzb_2d(ny,i)+1, nzt
1497	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1498	v_init(k) * dzw(k)
1499	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1500	ENDDO
1501	ENDDO
1502	ENDIF
1503
1504	#if defined( __parallel )
1505	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1506	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1507	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1508	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1509
1510	#else
1511	volume_flow_initial = volume_flow_initial_l
1512	volume_flow_area = volume_flow_area_l
1513	#endif
1514
1515	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1516
1517	volume_flow_initial_l = 0.0_wp
1518	volume_flow_area_l = 0.0_wp
1519
1520	IF ( nxr == nx ) THEN
1521	DO j = nys, nyn
1522	DO k = nzb_2d(j,nx)+1, nzt
1523	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1524	hom_sum(k,1,0) * dzw(k)
1525	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1526	ENDDO
1527	ENDDO
1528	ENDIF
1529
1530	IF ( nyn == ny ) THEN
1531	DO i = nxl, nxr
1532	DO k = nzb_2d(ny,i)+1, nzt
1533	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1534	hom_sum(k,2,0) * dzw(k)
1535	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1536	ENDDO
1537	ENDDO
1538	ENDIF
1539
1540	#if defined( __parallel )
1541	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1542	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1543	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1544	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1545
1546	#else
1547	volume_flow_initial = volume_flow_initial_l
1548	volume_flow_area = volume_flow_area_l
1549	#endif
1550
1551	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1552
1553	volume_flow_initial_l = 0.0_wp
1554	volume_flow_area_l = 0.0_wp
1555
1556	IF ( nxr == nx ) THEN
1557	DO j = nys, nyn
1558	DO k = nzb_2d(j,nx)+1, nzt
1559	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1560	u(k,j,nx) * dzw(k)
1561	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1562	ENDDO
1563	ENDDO
1564	ENDIF
1565
1566	IF ( nyn == ny ) THEN
1567	DO i = nxl, nxr
1568	DO k = nzb_2d(ny,i)+1, nzt
1569	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1570	v(k,ny,i) * dzw(k)
1571	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1572	ENDDO
1573	ENDDO
1574	ENDIF
1575
1576	#if defined( __parallel )
1577	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1578	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1579	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1580	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1581
1582	#else
1583	volume_flow_initial = volume_flow_initial_l
1584	volume_flow_area = volume_flow_area_l
1585	#endif
1586
1587	ENDIF
1588
1589	!
1590	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
1591	!-- from u\|v_bulk instead
1592	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1593	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1594	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1595	ENDIF
1596
1597	ENDIF
1598
1599	!
1600	!-- Initialize quantities for special advections schemes
1601	CALL init_advec
1602
1603	!
1604	!-- Impose random perturbation on the horizontal velocity field and then
1605	!-- remove the divergences from the velocity field at the initial stage
1606	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
1607	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1608	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1609
1610	CALL location_message( 'creating initial disturbances', .FALSE. )
1611	CALL disturb_field( nzb_u_inner, tend, u )
1612	CALL disturb_field( nzb_v_inner, tend, v )
1613	CALL location_message( 'finished', .TRUE. )
1614
1615	CALL location_message( 'calling pressure solver', .FALSE. )
1616	n_sor = nsor_ini
1617	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
1618	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
1619	!$acc copyin( weight_pres, weight_substep ) &
1620	!$acc copy( tri, tric, u, v, w )
1621	CALL pres
1622	!$acc end data
1623	n_sor = nsor
1624	CALL location_message( 'finished', .TRUE. )
1625
1626	ENDIF
1627
1628	!
1629	!-- If required, initialize quantities needed for the plant canopy model
1630	IF ( plant_canopy ) CALL init_plant_canopy
1631
1632	!
1633	!-- If required, initialize dvrp-software
1634	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
1635
1636	IF ( ocean ) THEN
1637	!
1638	!-- Initialize quantities needed for the ocean model
1639	CALL init_ocean
1640
1641	ELSE
1642	!
1643	!-- Initialize quantities for handling cloud physics
1644	!-- This routine must be called before lpm_init, because
1645	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
1646	!-- lpm_init) is not defined.
1647	CALL init_cloud_physics
1648	ENDIF
1649
1650	!
1651	!-- If required, initialize particles
1652	IF ( particle_advection ) CALL lpm_init
1653
1654	!
1655	!-- If required, initialize quantities needed for the LSM
1656	IF ( land_surface ) THEN
1657	CALL location_message( 'initializing land surface model', .FALSE. )
1658	CALL lsm_init
1659	CALL location_message( 'finished', .TRUE. )
1660	ENDIF
1661
1662	!
1663	!-- Initialize surface layer (done after LSM as roughness length are required
1664	!-- for initialization
1665	IF ( constant_flux_layer ) THEN
1666	CALL location_message( 'initializing surface layer', .FALSE. )
1667	CALL init_surface_layer_fluxes
1668	CALL location_message( 'finished', .TRUE. )
1669	ENDIF
1670
1671	!
1672	!-- If required, initialize radiation model
1673	IF ( radiation ) THEN
1674	CALL location_message( 'initializing radiation model', .FALSE. )
1675	CALL init_radiation
1676	CALL location_message( 'finished', .TRUE. )
1677	ENDIF
1678
1679	!
1680	!-- Initialize the ws-scheme.
1681	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1682
1683	!
1684	!-- Setting weighting factors for calculation of perturbation pressure
1685	!-- and turbulent quantities from the RK substeps
1686	!-- TO_DO: zeroth element is added to weight_pres because in nesting pres
1687	!-- may need to be called outside the RK-substeps
1688	weight_pres(0) = 1.0_wp
1689	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
1690
1691	weight_substep(1) = 1._wp/6._wp
1692	weight_substep(2) = 3._wp/10._wp
1693	weight_substep(3) = 8._wp/15._wp
1694
1695	weight_pres(1) = 1._wp/3._wp
1696	weight_pres(2) = 5._wp/12._wp
1697	weight_pres(3) = 1._wp/4._wp
1698
1699	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
1700
1701	weight_substep(1) = 1._wp/2._wp
1702	weight_substep(2) = 1._wp/2._wp
1703
1704	weight_pres(1) = 1._wp/2._wp
1705	weight_pres(2) = 1._wp/2._wp
1706
1707	ELSE ! for Euler-method
1708
1709	weight_substep(1) = 1.0_wp
1710	weight_pres(1) = 1.0_wp
1711
1712	ENDIF
1713
1714	!
1715	!-- Initialize Rayleigh damping factors
1716	rdf = 0.0_wp
1717	rdf_sc = 0.0_wp
1718	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
1719	IF ( .NOT. ocean ) THEN
1720	DO k = nzb+1, nzt
1721	IF ( zu(k) >= rayleigh_damping_height ) THEN
1722	rdf(k) = rayleigh_damping_factor * &
1723	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
1724	/ ( zu(nzt) - rayleigh_damping_height ) ) &
1725	)**2
1726	ENDIF
1727	ENDDO
1728	ELSE
1729	DO k = nzt, nzb+1, -1
1730	IF ( zu(k) <= rayleigh_damping_height ) THEN
1731	rdf(k) = rayleigh_damping_factor * &
1732	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
1733	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
1734	)**2
1735	ENDIF
1736	ENDDO
1737	ENDIF
1738	ENDIF
1739	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
1740
1741	!
1742	!-- Initialize the starting level and the vertical smoothing factor used for
1743	!-- the external pressure gradient
1744	dp_smooth_factor = 1.0_wp
1745	IF ( dp_external ) THEN
1746	!
1747	!-- Set the starting level dp_level_ind_b only if it has not been set before
1748	!-- (e.g. in init_grid).
1749	IF ( dp_level_ind_b == 0 ) THEN
1750	ind_array = MINLOC( ABS( dp_level_b - zu ) )
1751	dp_level_ind_b = ind_array(1) - 1 + nzb
1752	! MINLOC uses lower array bound 1
1753	ENDIF
1754	IF ( dp_smooth ) THEN
1755	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
1756	DO k = dp_level_ind_b+1, nzt
1757	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
1758	( REAL( k - dp_level_ind_b, KIND=wp ) / &
1759	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
1760	ENDDO
1761	ENDIF
1762	ENDIF
1763
1764	!
1765	!-- Initialize damping zone for the potential temperature in case of
1766	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
1767	!-- at the inflow boundary and decreases to zero at pt_damping_width.
1768	ptdf_x = 0.0_wp
1769	ptdf_y = 0.0_wp
1770	IF ( bc_lr_dirrad ) THEN
1771	DO i = nxl, nxr
1772	IF ( ( i * dx ) < pt_damping_width ) THEN
1773	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
1774	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
1775	REAL( pt_damping_width, KIND=wp ) ) ) )**2
1776	ENDIF
1777	ENDDO
1778	ELSEIF ( bc_lr_raddir ) THEN
1779	DO i = nxl, nxr
1780	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
1781	ptdf_x(i) = pt_damping_factor * &
1782	SIN( pi * 0.5_wp * &
1783	( ( i - nx ) * dx + pt_damping_width ) / &
1784	REAL( pt_damping_width, KIND=wp ) )**2
1785	ENDIF
1786	ENDDO
1787	ELSEIF ( bc_ns_dirrad ) THEN
1788	DO j = nys, nyn
1789	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
1790	ptdf_y(j) = pt_damping_factor * &
1791	SIN( pi * 0.5_wp * &
1792	( ( j - ny ) * dy + pt_damping_width ) / &
1793	REAL( pt_damping_width, KIND=wp ) )**2
1794	ENDIF
1795	ENDDO
1796	ELSEIF ( bc_ns_raddir ) THEN
1797	DO j = nys, nyn
1798	IF ( ( j * dy ) < pt_damping_width ) THEN
1799	ptdf_y(j) = pt_damping_factor * &
1800	SIN( pi * 0.5_wp * &
1801	( pt_damping_width - j * dy ) / &
1802	REAL( pt_damping_width, KIND=wp ) )**2
1803	ENDIF
1804	ENDDO
1805	ENDIF
1806
1807	!
1808	!-- Initialize local summation arrays for routine flow_statistics.
1809	!-- This is necessary because they may not yet have been initialized when they
1810	!-- are called from flow_statistics (or - depending on the chosen model run -
1811	!-- are never initialized)
1812	sums_divnew_l = 0.0_wp
1813	sums_divold_l = 0.0_wp
1814	sums_l_l = 0.0_wp
1815	sums_up_fraction_l = 0.0_wp
1816	sums_wsts_bc_l = 0.0_wp
1817
1818	!
1819	!-- Pre-set masks for regional statistics. Default is the total model domain.
1820	!-- Ghost points are excluded because counting values at the ghost boundaries
1821	!-- would bias the statistics
1822	rmask = 1.0_wp
1823	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
1824	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
1825
1826	!
1827	!-- User-defined initializing actions. Check afterwards, if maximum number
1828	!-- of allowed timeseries is exceeded
1829	CALL user_init
1830
1831	IF ( dots_num > dots_max ) THEN
1832	WRITE( message_string, * ) 'number of time series quantities exceeds', &
1833	' its maximum of dots_max = ', dots_max, &
1834	' &Please increase dots_max in modules.f90.'
1835	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
1836	ENDIF
1837
1838	!
1839	!-- Input binary data file is not needed anymore. This line must be placed
1840	!-- after call of user_init!
1841	CALL close_file( 13 )
1842
1843	!
1844	!-- Compute total sum of active mask grid points
1845	!-- and the mean surface level height for each statistic region
1846	!-- ngp_2dh: number of grid points of a horizontal cross section through the
1847	!-- total domain
1848	!-- ngp_3d: number of grid points of the total domain
1849	ngp_2dh_outer_l = 0
1850	ngp_2dh_outer = 0
1851	ngp_2dh_s_inner_l = 0
1852	ngp_2dh_s_inner = 0
1853	ngp_2dh_l = 0
1854	ngp_2dh = 0
1855	ngp_3d_inner_l = 0.0_wp
1856	ngp_3d_inner = 0
1857	ngp_3d = 0
1858	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
1859
1860	mean_surface_level_height = 0.0_wp
1861	mean_surface_level_height_l = 0.0_wp
1862
1863	DO sr = 0, statistic_regions
1864	DO i = nxl, nxr
1865	DO j = nys, nyn
1866	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
1867	!
1868	!-- All xy-grid points
1869	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
1870	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
1871	+ zw(nzb_s_inner(j,i))
1872	!
1873	!-- xy-grid points above topography
1874	DO k = nzb_s_outer(j,i), nz + 1
1875	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
1876	ENDDO
1877	DO k = nzb_s_inner(j,i), nz + 1
1878	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
1879	ENDDO
1880	!
1881	!-- All grid points of the total domain above topography
1882	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
1883	+ ( nz - nzb_s_inner(j,i) + 2 )
1884	ENDIF
1885	ENDDO
1886	ENDDO
1887	ENDDO
1888
1889	sr = statistic_regions + 1
1890	#if defined( __parallel )
1891	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1892	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
1893	comm2d, ierr )
1894	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1895	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
1896	MPI_INTEGER, MPI_SUM, comm2d, ierr )
1897	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1898	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
1899	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
1900	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1901	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
1902	MPI_SUM, comm2d, ierr )
1903	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
1904	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1905	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
1906	mean_surface_level_height(0), sr, MPI_REAL, &
1907	MPI_SUM, comm2d, ierr )
1908	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
1909	#else
1910	ngp_2dh = ngp_2dh_l
1911	ngp_2dh_outer = ngp_2dh_outer_l
1912	ngp_2dh_s_inner = ngp_2dh_s_inner_l
1913	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
1914	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
1915	#endif
1916
1917	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
1918	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
1919
1920	!
1921	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
1922	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
1923	!-- the respective subdomain lie below the surface topography
1924	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
1925	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
1926	ngp_3d_inner(:) )
1927	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
1928
1929	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
1930	ngp_3d_inner_l, ngp_3d_inner_tmp )
1931
1932	CALL location_message( 'leaving init_3d_model', .TRUE. )
1933
1934	END SUBROUTINE init_3d_model

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

Download in other formats:

| Impressum | ©Leibniz Universität Hannover |