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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1605

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

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