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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1576

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

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