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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1682

Last change on this file since 1682 was 1682, checked in by knoop, 9 years ago
Code annotations made doxygen readable
Property svn:keywords set to `Id`
File size: 65.4 KB

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

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