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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1496

Last change on this file since 1496 was 1496, checked in by maronga, 9 years ago
added beta version of a land surface model and a simple radiation model for clear sky conditions
Property svn:keywords set to `Id`
File size: 64.4 KB

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

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