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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1503

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

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