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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1665

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

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