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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1686

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

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