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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1441

Last change on this file since 1441 was 1432, checked in by suehring, 10 years ago
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[1]	1	SUBROUTINE init_3d_model
	2
[1036]	3	!--------------------------------------------------------------------------------!
	4	! This file is part of PALM.
	5	!
	6	! PALM is free software: you can redistribute it and/or modify it under the terms
	7	! of the GNU General Public License as published by the Free Software Foundation,
	8	! either version 3 of the License, or (at your option) any later version.
	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[1310]	17	! Copyright 1997-2014 Leibniz Universitaet Hannover
[1036]	18	!--------------------------------------------------------------------------------!
	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[1341]	22	!
[1432]	23	!
[1054]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 1432 2014-07-15 14:51:17Z raasch $
	27	!
[1432]	28	! 1431 2014-07-15 14:47:17Z suehring
	29	! var_d added, in order to normalize spectra.
	30	!
[1430]	31	! 1429 2014-07-15 12:53:45Z knoop
	32	! Ensemble run capability added to parallel random number generator
	33	!
[1412]	34	! 1411 2014-05-16 18:01:51Z suehring
	35	! Initial horizontal velocity profiles were not set to zero at the first vertical
	36	! grid level in case of non-cyclic lateral boundary conditions.
	37	!
[1407]	38	! 1406 2014-05-16 13:47:01Z raasch
	39	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	40	! no-slip boundary condition for uv
	41	!
[1403]	42	! 1402 2014-05-09 14:25:13Z raasch
	43	! location messages modified
	44	!
[1401]	45	! 1400 2014-05-09 14:03:54Z knoop
	46	! Parallel random number generator added
	47	!
[1385]	48	! 1384 2014-05-02 14:31:06Z raasch
	49	! location messages added
	50	!
[1362]	51	! 1361 2014-04-16 15:17:48Z hoffmann
	52	! tend_* removed
	53	! Bugfix: w_subs is not allocated anymore if it is already allocated
	54	!
[1360]	55	! 1359 2014-04-11 17:15:14Z hoffmann
	56	! module lpm_init_mod added to use statements, because lpm_init has become a
	57	! module
	58	!
[1354]	59	! 1353 2014-04-08 15:21:23Z heinze
	60	! REAL constants provided with KIND-attribute
	61	!
[1341]	62	! 1340 2014-03-25 19:45:13Z kanani
	63	! REAL constants defined as wp-kind
	64	!
[1323]	65	! 1322 2014-03-20 16:38:49Z raasch
	66	! REAL constants defined as wp-kind
	67	! module interfaces removed
	68	!
[1321]	69	! 1320 2014-03-20 08:40:49Z raasch
	70	! ONLY-attribute added to USE-statements,
	71	! kind-parameters added to all INTEGER and REAL declaration statements,
	72	! kinds are defined in new module kinds,
	73	! revision history before 2012 removed,
	74	! comment fields (!:) to be used for variable explanations added to
	75	! all variable declaration statements
	76	!
[1317]	77	! 1316 2014-03-17 07:44:59Z heinze
	78	! Bugfix: allocation of w_subs
	79	!
[1300]	80	! 1299 2014-03-06 13:15:21Z heinze
	81	! Allocate w_subs due to extension of large scale subsidence in combination
	82	! with large scale forcing data (LSF_DATA)
	83	!
[1242]	84	! 1241 2013-10-30 11:36:58Z heinze
	85	! Overwrite initial profiles in case of nudging
	86	! Inititialize shf and qsws in case of large_scale_forcing
	87	!
[1222]	88	! 1221 2013-09-10 08:59:13Z raasch
	89	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	90	! copy
	91	!
[1213]	92	! 1212 2013-08-15 08:46:27Z raasch
	93	! array tri is allocated and included in data copy statement
	94	!
[1196]	95	! 1195 2013-07-01 12:27:57Z heinze
	96	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	97	!
[1182]	98	! 1179 2013-06-14 05:57:58Z raasch
	99	! allocate and set ref_state to be used in buoyancy terms
	100	!
[1172]	101	! 1171 2013-05-30 11:27:45Z raasch
	102	! diss array is allocated with full size if accelerator boards are used
	103	!
[1160]	104	! 1159 2013-05-21 11:58:22Z fricke
	105	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	106	!
[1154]	107	! 1153 2013-05-10 14:33:08Z raasch
	108	! diss array is allocated with dummy elements even if it is not needed
[1171]	109	! (required by PGI 13.4 / CUDA 5.0)
[1154]	110	!
[1116]	111	! 1115 2013-03-26 18:16:16Z hoffmann
	112	! unused variables removed
	113	!
[1114]	114	! 1113 2013-03-10 02:48:14Z raasch
	115	! openACC directive modified
	116	!
[1112]	117	! 1111 2013-03-08 23:54:10Z raasch
	118	! openACC directives added for pres
	119	! array diss allocated only if required
	120	!
[1093]	121	! 1092 2013-02-02 11:24:22Z raasch
	122	! unused variables removed
	123	!
[1066]	124	! 1065 2012-11-22 17:42:36Z hoffmann
	125	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	126	!
[1054]	127	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	128	! allocation and initialisation of necessary data arrays for the two-moment
	129	! cloud physics scheme the two new prognostic equations (nr, qr):
	130	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	131	! +tend_*, prr
[979]	132	!
[1037]	133	! 1036 2012-10-22 13:43:42Z raasch
	134	! code put under GPL (PALM 3.9)
	135	!
[1033]	136	! 1032 2012-10-21 13:03:21Z letzel
	137	! save memory by not allocating pt_2 in case of neutral = .T.
	138	!
[1026]	139	! 1025 2012-10-07 16:04:41Z letzel
	140	! bugfix: swap indices of mask for ghost boundaries
	141	!
[1017]	142	! 1015 2012-09-27 09:23:24Z raasch
	143	! mask is set to zero for ghost boundaries
	144	!
[1011]	145	! 1010 2012-09-20 07:59:54Z raasch
	146	! cpp switch __nopointer added for pointer free version
	147	!
[1004]	148	! 1003 2012-09-14 14:35:53Z raasch
	149	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	150	!
[1002]	151	! 1001 2012-09-13 14:08:46Z raasch
	152	! all actions concerning leapfrog scheme removed
	153	!
[997]	154	! 996 2012-09-07 10:41:47Z raasch
	155	! little reformatting
	156	!
[979]	157	! 978 2012-08-09 08:28:32Z fricke
[978]	158	! outflow damping layer removed
	159	! roughness length for scalar quantites z0h added
	160	! damping zone for the potential temperatur in case of non-cyclic lateral
	161	! boundaries added
	162	! initialization of ptdf_x, ptdf_y
	163	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	164	!
[850]	165	! 849 2012-03-15 10:35:09Z raasch
	166	! init_particles renamed lpm_init
	167	!
[826]	168	! 825 2012-02-19 03:03:44Z raasch
	169	! wang_collision_kernel renamed wang_kernel
	170	!
[1]	171	! Revision 1.1 1998/03/09 16:22:22 raasch
	172	! Initial revision
	173	!
	174	!
	175	! Description:
	176	! ------------
	177	! Allocation of arrays and initialization of the 3D model via
	178	! a) pre-run the 1D model
	179	! or
	180	! b) pre-set constant linear profiles
	181	! or
	182	! c) read values of a previous run
	183	!------------------------------------------------------------------------------!
	184
[667]	185	USE advec_ws
[1320]	186
[1]	187	USE arrays_3d
[1320]	188
	189	USE cloud_parameters, &
	190	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	191
	192	USE constants, &
	193	ONLY: pi
	194
[1]	195	USE control_parameters
[1320]	196
	197	USE grid_variables, &
	198	ONLY: dx, dy
	199
[1]	200	USE indices
[1359]	201
[1429]	202	USE lpm_init_mod, &
[1359]	203	ONLY: lpm_init
[1320]	204
	205	USE kinds
	206
[1241]	207	USE ls_forcing_mod
[1320]	208
	209	USE model_1d, &
	210	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	211
[51]	212	USE netcdf_control
[1320]	213
	214	USE particle_attributes, &
	215	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	216
[1]	217	USE pegrid
[1320]	218
	219	USE random_function_mod
	220
[1400]	221	USE random_generator_parallel, &
	222	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	223	id_random_array, seq_random_array
	224
[1320]	225	USE statistics, &
	226	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	227	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	228	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
[1431]	229	var_d, weight_pres, weight_substep
[1320]	230
	231	USE transpose_indices
[1]	232
	233	IMPLICIT NONE
	234
[1320]	235	INTEGER(iwp) :: i !:
	236	INTEGER(iwp) :: ind_array(1) !:
	237	INTEGER(iwp) :: j !:
	238	INTEGER(iwp) :: k !:
	239	INTEGER(iwp) :: sr !:
[1]	240
[1320]	241	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !:
[1]	242
[1320]	243	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !:
	244	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !:
[1]	245
[1320]	246	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !:
	247	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !:
[1]	248
[1320]	249	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !:
	250	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !:
[1]	251
[485]	252
[1402]	253	CALL location_message( 'allocating arrays', .FALSE. )
[1]	254	!
	255	!-- Allocate arrays
	256	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	257	ngp_3d(0:statistic_regions), &
	258	ngp_3d_inner(0:statistic_regions), &
	259	ngp_3d_inner_l(0:statistic_regions), &
[485]	260	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	261	sums_divnew_l(0:statistic_regions), &
	262	sums_divold_l(0:statistic_regions) )
[1195]	263	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	264	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	265	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	266	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	267	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	268	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	269	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	270	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	271	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	272	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	273	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	274	ts_value(dots_max,0:statistic_regions) )
[978]	275	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	276
[1001]	277	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	278	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	279	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	280	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	281	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	282	z0h(nysg:nyng,nxlg:nxrg) )
[1]	283
[1010]	284	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	285	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	286	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	287	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	288	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	289
	290	#if defined( __nopointer )
	291	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	292	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	293	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	294	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	295	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	296	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	297	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	298	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	299	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	300	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	301	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	302	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	303	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	304	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	305	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	306	#else
	307	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	308	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	309	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	310	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	311	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	312	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	313	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	314	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	315	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	316	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	317	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	318	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	319	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	320	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	321	IF ( .NOT. neutral ) THEN
	322	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	323	ENDIF
[1010]	324	#endif
	325
[673]	326	!
[707]	327	!-- Following array is required for perturbation pressure within the iterative
	328	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	329	!-- the weighted average of the substeps and cannot be used in the Poisson
	330	!-- solver.
	331	IF ( psolver == 'sor' ) THEN
	332	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	333	ELSEIF ( psolver == 'multigrid' ) THEN
	334	!
	335	!-- For performance reasons, multigrid is using one ghost layer only
	336	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	337	ENDIF
[1]	338
[1111]	339	!
	340	!-- Array for storing constant coeffficients of the tridiagonal solver
	341	IF ( psolver == 'poisfft' ) THEN
[1212]	342	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	343	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	344	ENDIF
	345
[75]	346	IF ( humidity .OR. passive_scalar ) THEN
[1]	347	!
[75]	348	!-- 2D-humidity/scalar arrays
[1001]	349	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	350	qsws(nysg:nyng,nxlg:nxrg), &
	351	qswst(nysg:nyng,nxlg:nxrg) )
[1]	352
	353	!
[75]	354	!-- 3D-humidity/scalar arrays
[1010]	355	#if defined( __nopointer )
	356	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	357	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	358	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	359	#else
[667]	360	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	361	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	362	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	363	#endif
[1]	364
	365	!
[75]	366	!-- 3D-arrays needed for humidity only
	367	IF ( humidity ) THEN
[1010]	368	#if defined( __nopointer )
	369	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	370	#else
[667]	371	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	372	#endif
[1]	373
	374	IF ( cloud_physics ) THEN
[1053]	375
[1]	376	!
	377	!-- Liquid water content
[1010]	378	#if defined( __nopointer )
	379	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	380	#else
[667]	381	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	382	#endif
[72]	383	!
	384	!-- Precipitation amount and rate (only needed if output is switched)
[667]	385	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	386	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	387
	388	IF ( icloud_scheme == 0 ) THEN
	389	!
[1115]	390	!-- 1D-arrays
	391	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	392	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	393	!
[1115]	394	!-- 3D-cloud water content
[1053]	395	#if defined( __nopointer )
[1115]	396	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	397	#else
[1115]	398	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	399	#endif
[1115]	400
	401	IF ( precipitation ) THEN
[1053]	402	!
[1115]	403	!-- 1D-arrays
	404	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
[1361]	405
[1115]	406	!
	407	!-- 2D-rain water content and rain drop concentration arrays
	408	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	409	qrsws(nysg:nyng,nxlg:nxrg), &
	410	qrswst(nysg:nyng,nxlg:nxrg), &
	411	nrs(nysg:nyng,nxlg:nxrg), &
	412	nrsws(nysg:nyng,nxlg:nxrg), &
	413	nrswst(nysg:nyng,nxlg:nxrg) )
	414	!
	415	!-- 3D-rain water content, rain drop concentration arrays
	416	#if defined( __nopointer )
	417	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	418	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	419	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	420	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	421	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	422	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	423	#else
	424	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	425	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	426	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	427	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	428	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	429	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	430	#endif
	431	!
	432	!-- 3d-precipitation rate
[1053]	433	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	434	ENDIF
	435
	436	ENDIF
[1]	437	ENDIF
	438
	439	IF ( cloud_droplets ) THEN
	440	!
[1010]	441	!-- Liquid water content, change in liquid water content
	442	#if defined( __nopointer )
	443	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	444	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	445	#else
[667]	446	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	447	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	448	#endif
	449	!
	450	!-- Real volume of particles (with weighting), volume of particles
	451	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	452	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	453	ENDIF
	454
	455	ENDIF
	456
	457	ENDIF
	458
[94]	459	IF ( ocean ) THEN
[1001]	460	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	461	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	462	#if defined( __nopointer )
	463	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	464	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	465	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	466	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	467	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	468	#else
[667]	469	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	474	prho => prho_1
	475	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	476	! density to be apointer
[1010]	477	#endif
[108]	478	IF ( humidity_remote ) THEN
[667]	479	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	480	qswst_remote = 0.0_wp
[108]	481	ENDIF
[94]	482	ENDIF
	483
[1]	484	!
	485	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	486	!-- particle velocities
[1171]	487	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	488	num_acc_per_node > 0 ) THEN
[1153]	489	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	490	ENDIF
	491
[1340]	492	IF ( dt_dosp /= 9999999.9_wp ) THEN
[1]	493	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	494	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[1340]	495	spectrum_x = 0.0_wp
	496	spectrum_y = 0.0_wp
[1431]	497
	498	ALLOCATE( var_d(nzb:nzt+1) )
	499	var_d = 0.0_wp
[1]	500	ENDIF
	501
	502	!
[1299]	503	!-- 1D-array for large scale subsidence velocity
[1361]	504	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	505	ALLOCATE ( w_subs(nzb:nzt+1) )
	506	w_subs = 0.0_wp
	507	ENDIF
[1299]	508
	509	!
[1400]	510	!-- ID-array and state-space-array for the parallel random number generator
	511	IF ( random_generator == 'random-parallel' ) THEN
	512	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	513	ALLOCATE ( id_random_array(0:ny,0:nx) )
	514	seq_random_array = 0
	515	id_random_array = 0
	516	ENDIF
	517
	518	!
[138]	519	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	520	IF ( plant_canopy ) THEN
[667]	521	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	522	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	523	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	524	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	525	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	526
	527	IF ( passive_scalar ) THEN
[996]	528	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	529	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	530	ENDIF
	531
[1340]	532	IF ( cthf /= 0.0_wp ) THEN
[996]	533	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	534	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	535	ENDIF
	536
[138]	537	ENDIF
	538
	539	!
[51]	540	!-- 4D-array for storing the Rif-values at vertical walls
	541	IF ( topography /= 'flat' ) THEN
[667]	542	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	543	rif_wall = 0.0_wp
[51]	544	ENDIF
	545
	546	!
[106]	547	!-- Arrays to store velocity data from t-dt and the phase speeds which
	548	!-- are needed for radiation boundary conditions
[73]	549	IF ( outflow_l ) THEN
[667]	550	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	551	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	552	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	553	ENDIF
	554	IF ( outflow_r ) THEN
[667]	555	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	556	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	557	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	558	ENDIF
[106]	559	IF ( outflow_l .OR. outflow_r ) THEN
[667]	560	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	561	c_w(nzb:nzt+1,nysg:nyng) )
[106]	562	ENDIF
[73]	563	IF ( outflow_s ) THEN
[667]	564	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	565	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	566	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	567	ENDIF
	568	IF ( outflow_n ) THEN
[667]	569	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	570	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	571	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	572	ENDIF
[106]	573	IF ( outflow_s .OR. outflow_n ) THEN
[667]	574	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	575	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	576	ENDIF
[996]	577	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	578	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	579	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	580	ENDIF
[73]	581
[978]	582
[1010]	583	#if ! defined( __nopointer )
[73]	584	!
[1]	585	!-- Initial assignment of the pointers
[1001]	586	e => e_1; e_p => e_2; te_m => e_3
[1032]	587	IF ( .NOT. neutral ) THEN
	588	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	589	ELSE
	590	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	591	ENDIF
[1001]	592	u => u_1; u_p => u_2; tu_m => u_3
	593	v => v_1; v_p => v_2; tv_m => v_3
	594	w => w_1; w_p => w_2; tw_m => w_3
[1]	595
[1001]	596	IF ( humidity .OR. passive_scalar ) THEN
	597	q => q_1; q_p => q_2; tq_m => q_3
[1053]	598	IF ( humidity ) THEN
	599	vpt => vpt_1
	600	IF ( cloud_physics ) THEN
	601	ql => ql_1
	602	IF ( icloud_scheme == 0 ) THEN
[1115]	603	qc => qc_1
	604	IF ( precipitation ) THEN
	605	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	606	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	607	ENDIF
[1053]	608	ENDIF
	609	ENDIF
	610	ENDIF
[1001]	611	IF ( cloud_droplets ) THEN
	612	ql => ql_1
	613	ql_c => ql_2
[1]	614	ENDIF
[1001]	615	ENDIF
[1]	616
[1001]	617	IF ( ocean ) THEN
	618	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	619	ENDIF
[1010]	620	#endif
[1]	621
	622	!
[709]	623	!-- Allocate arrays containing the RK coefficient for calculation of
	624	!-- perturbation pressure and turbulent fluxes. At this point values are
	625	!-- set for pressure calculation during initialization (where no timestep
	626	!-- is done). Further below the values needed within the timestep scheme
	627	!-- will be set.
	628	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	629	weight_pres(1:intermediate_timestep_count_max) )
[1340]	630	weight_substep = 1.0_wp
	631	weight_pres = 1.0_wp
[709]	632	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	633
[1402]	634	CALL location_message( 'finished', .TRUE. )
[673]	635	!
[1]	636	!-- Initialize model variables
[147]	637	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	638	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	639	!
	640	!-- First model run of a possible job queue.
	641	!-- Initial profiles of the variables must be computes.
	642	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	643
[1402]	644	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	645	!
	646	!-- Use solutions of the 1D model as initial profiles,
	647	!-- start 1D model
	648	CALL init_1d_model
	649	!
	650	!-- Transfer initial profiles to the arrays of the 3D model
[667]	651	DO i = nxlg, nxrg
	652	DO j = nysg, nyng
[1]	653	e(:,j,i) = e1d
	654	kh(:,j,i) = kh1d
	655	km(:,j,i) = km1d
	656	pt(:,j,i) = pt_init
	657	u(:,j,i) = u1d
	658	v(:,j,i) = v1d
	659	ENDDO
	660	ENDDO
	661
[75]	662	IF ( humidity .OR. passive_scalar ) THEN
[667]	663	DO i = nxlg, nxrg
	664	DO j = nysg, nyng
[1]	665	q(:,j,i) = q_init
	666	ENDDO
	667	ENDDO
[1353]	668	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	669	precipitation ) THEN
[1053]	670	DO i = nxlg, nxrg
	671	DO j = nysg, nyng
[1340]	672	qr(:,j,i) = 0.0_wp
	673	nr(:,j,i) = 0.0_wp
[1053]	674	ENDDO
	675	ENDDO
[1115]	676	!
	677	!-- Initialze nc_1d with default value
	678	nc_1d(:) = nc_const
	679
[1053]	680	ENDIF
[1]	681	ENDIF
	682
	683	IF ( .NOT. constant_diffusion ) THEN
[667]	684	DO i = nxlg, nxrg
	685	DO j = nysg, nyng
[1]	686	e(:,j,i) = e1d
	687	ENDDO
	688	ENDDO
	689	!
	690	!-- Store initial profiles for output purposes etc.
	691	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	692
	693	IF ( prandtl_layer ) THEN
	694	rif = rif1d(nzb+1)
[1340]	695	ts = 0.0_wp ! could actually be computed more accurately in the
	696	! 1D model. Update when opportunity arises.
[1]	697	us = us1d
	698	usws = usws1d
	699	vsws = vsws1d
	700	ELSE
[1340]	701	ts = 0.0_wp ! must be set, because used in
	702	rif = 0.0_wp ! flowste
	703	us = 0.0_wp
	704	usws = 0.0_wp
	705	vsws = 0.0_wp
[1]	706	ENDIF
	707
	708	ELSE
[1340]	709	e = 0.0_wp ! must be set, because used in
	710	rif = 0.0_wp ! flowste
	711	ts = 0.0_wp
	712	us = 0.0_wp
	713	usws = 0.0_wp
	714	vsws = 0.0_wp
[1]	715	ENDIF
[102]	716	uswst = top_momentumflux_u
	717	vswst = top_momentumflux_v
[1]	718
	719	!
	720	!-- In every case qs = 0.0 (see also pt)
	721	!-- This could actually be computed more accurately in the 1D model.
	722	!-- Update when opportunity arises!
[1053]	723	IF ( humidity .OR. passive_scalar ) THEN
[1340]	724	qs = 0.0_wp
[1353]	725	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	726	precipitation ) THEN
[1340]	727	qrs = 0.0_wp
	728	nrs = 0.0_wp
[1053]	729	ENDIF
	730	ENDIF
[1]	731
	732	!
	733	!-- inside buildings set velocities back to zero
	734	IF ( topography /= 'flat' ) THEN
	735	DO i = nxl-1, nxr+1
	736	DO j = nys-1, nyn+1
[1340]	737	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	738	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	739	ENDDO
	740	ENDDO
[667]	741
[1]	742	!
	743	!-- WARNING: The extra boundary conditions set after running the
	744	!-- ------- 1D model impose an error on the divergence one layer
	745	!-- below the topography; need to correct later
	746	!-- ATTENTION: Provisional correction for Piacsek & Williams
	747	!-- --------- advection scheme: keep u and v zero one layer below
	748	!-- the topography.
[667]	749	IF ( ibc_uv_b == 1 ) THEN
	750	!
[1]	751	!-- Neumann condition
	752	DO i = nxl-1, nxr+1
	753	DO j = nys-1, nyn+1
	754	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	755	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	756	ENDDO
	757	ENDDO
	758
	759	ENDIF
	760
	761	ENDIF
	762
[1402]	763	CALL location_message( 'finished', .TRUE. )
[1384]	764
[1]	765	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	766	THEN
[1241]	767
[1402]	768	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	769	!
[1241]	770	!-- Overwrite initial profiles in case of nudging
	771	IF ( nudging ) THEN
	772	pt_init = ptnudge(:,1)
	773	u_init = unudge(:,1)
	774	v_init = vnudge(:,1)
	775	IF ( humidity .OR. passive_scalar ) THEN
	776	q_init = qnudge(:,1)
	777	ENDIF
	778
	779	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	780	'scalars from NUDGING_DATA are used.'
	781	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	782	ENDIF
	783
	784	!
[1]	785	!-- Use constructed initial profiles (velocity constant with height,
	786	!-- temperature profile with constant gradient)
[667]	787	DO i = nxlg, nxrg
	788	DO j = nysg, nyng
[1]	789	pt(:,j,i) = pt_init
	790	u(:,j,i) = u_init
	791	v(:,j,i) = v_init
	792	ENDDO
	793	ENDDO
[75]	794
[1]	795	!
[292]	796	!-- Set initial horizontal velocities at the lowest computational grid
	797	!-- levels to zero in order to avoid too small time steps caused by the
	798	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	799	!-- in the limiting formula!). The original values are stored to be later
	800	!-- used for volume flow control.
[1411]	801	IF ( ibc_uv_b /= 1 .AND. ( .NOT. bc_lr_dirrad .AND. &
	802	.NOT. bc_lr_raddir .AND. &
	803	.NOT. bc_ns_dirrad .AND. &
	804	.NOT. bc_ns_raddir ) ) THEN
[1406]	805	DO i = nxlg, nxrg
	806	DO j = nysg, nyng
	807	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	808	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	809	ENDDO
[1]	810	ENDDO
[1406]	811	ENDIF
[1]	812
[75]	813	IF ( humidity .OR. passive_scalar ) THEN
[667]	814	DO i = nxlg, nxrg
	815	DO j = nysg, nyng
[1]	816	q(:,j,i) = q_init
	817	ENDDO
	818	ENDDO
[1115]	819	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	820	!
	821	!-- Initialze nc_1d with default value
	822	nc_1d(:) = nc_const
	823
	824	IF ( precipitation ) THEN
	825	DO i = nxlg, nxrg
	826	DO j = nysg, nyng
[1340]	827	qr(:,j,i) = 0.0_wp
	828	nr(:,j,i) = 0.0_wp
[1115]	829	ENDDO
[1053]	830	ENDDO
[1115]	831	ENDIF
	832
[1053]	833	ENDIF
[1]	834	ENDIF
	835
[94]	836	IF ( ocean ) THEN
[667]	837	DO i = nxlg, nxrg
	838	DO j = nysg, nyng
[94]	839	sa(:,j,i) = sa_init
	840	ENDDO
	841	ENDDO
	842	ENDIF
[1]	843
	844	IF ( constant_diffusion ) THEN
	845	km = km_constant
	846	kh = km / prandtl_number
[1340]	847	e = 0.0_wp
	848	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	849	DO k = nzb+1, nzt
[1340]	850	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	851	ENDDO
	852	km(nzb,:,:) = km(nzb+1,:,:)
	853	km(nzt+1,:,:) = km(nzt,:,:)
	854	kh = km / prandtl_number
	855	e = e_init
[1]	856	ELSE
[108]	857	IF ( .NOT. ocean ) THEN
[1340]	858	kh = 0.01_wp ! there must exist an initial diffusion, because
	859	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	860	! production terms, as long as not yet
	861	! e = (u/cm)*2 at k=nzb+1
	862	ELSE
[1340]	863	kh = 0.00001_wp
	864	km = 0.00001_wp
[108]	865	ENDIF
[1340]	866	e = 0.0_wp
[1]	867	ENDIF
[1340]	868	rif = 0.0_wp
	869	ts = 0.0_wp
	870	us = 0.0_wp
	871	usws = 0.0_wp
[102]	872	uswst = top_momentumflux_u
[1340]	873	vsws = 0.0_wp
[102]	874	vswst = top_momentumflux_v
[1340]	875	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	876
	877	!
	878	!-- Compute initial temperature field and other constants used in case
	879	!-- of a sloping surface
	880	IF ( sloping_surface ) CALL init_slope
	881
[1402]	882	CALL location_message( 'finished', .TRUE. )
[1384]	883
[46]	884	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	885	THEN
[1384]	886
[1402]	887	CALL location_message( 'initializing by user', .FALSE. )
[46]	888	!
	889	!-- Initialization will completely be done by the user
	890	CALL user_init_3d_model
	891
[1402]	892	CALL location_message( 'finished', .TRUE. )
[1384]	893
[1]	894	ENDIF
[1384]	895
[1402]	896	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	897	.FALSE. )
[1384]	898
[667]	899	!
	900	!-- Bottom boundary
	901	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	902	u(nzb,:,:) = 0.0_wp
	903	v(nzb,:,:) = 0.0_wp
[667]	904	ENDIF
[1]	905
	906	!
[151]	907	!-- Apply channel flow boundary condition
[132]	908	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	909	u(nzt+1,:,:) = 0.0_wp
	910	v(nzt+1,:,:) = 0.0_wp
[132]	911	ENDIF
	912
	913	!
[1]	914	!-- Calculate virtual potential temperature
[1340]	915	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	916
	917	!
	918	!-- Store initial profiles for output purposes etc.
	919	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	920	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	921	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	922	hom(nzb,1,5,:) = 0.0_wp
	923	hom(nzb,1,6,:) = 0.0_wp
[1]	924	ENDIF
	925	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	926	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	927	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	928
[97]	929	IF ( ocean ) THEN
	930	!
	931	!-- Store initial salinity profile
	932	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	933	ENDIF
[1]	934
[75]	935	IF ( humidity ) THEN
[1]	936	!
	937	!-- Store initial profile of total water content, virtual potential
	938	!-- temperature
	939	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	940	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	941	IF ( cloud_physics .OR. cloud_droplets ) THEN
	942	!
	943	!-- Store initial profile of specific humidity and potential
	944	!-- temperature
	945	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	946	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	947	ENDIF
	948	ENDIF
	949
	950	IF ( passive_scalar ) THEN
	951	!
	952	!-- Store initial scalar profile
	953	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	954	ENDIF
	955
	956	!
[1400]	957	!-- Initialize the random number generators (from numerical recipes)
	958	CALL random_function_ini
[1429]	959
[1400]	960	IF ( random_generator == 'random-parallel' ) THEN
[1429]	961	!-- Asigning an ID to every vertical gridpoint column
	962	!-- dependig on the ensemble run number.
	963	random_dummy=1
[1400]	964	DO j=0,ny
	965	DO i=0,nx
[1429]	966	id_random_array(j,i) = random_dummy + 1E6 * ( ensemble_member_nr - 1000 )
	967	random_dummy = random_dummy + 1
[1400]	968	END DO
	969	ENDDO
[1429]	970	!-- Initializing with random_seed_parallel for every vertical
	971	!-- gridpoint column.
	972	random_dummy=0
[1400]	973	DO j = nysg, nyng
	974	DO i = nxlg, nxrg
	975	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	976	CALL random_number_parallel (random_dummy)
	977	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	978	END DO
	979	ENDDO
	980	ENDIF
	981
	982	!
[19]	983	!-- Initialize fluxes at bottom surface
[1]	984	IF ( use_surface_fluxes ) THEN
	985
	986	IF ( constant_heatflux ) THEN
	987	!
	988	!-- Heat flux is prescribed
	989	IF ( random_heatflux ) THEN
	990	CALL disturb_heatflux
	991	ELSE
	992	shf = surface_heatflux
	993	!
[1241]	994	!-- Initialize shf with data from external file LSF_DATA
	995	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	996	CALL ls_forcing_surf ( simulated_time )
	997	ENDIF
	998
	999	!
[1]	1000	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1001	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1002	DO i = nxlg, nxrg
	1003	DO j = nysg, nyng
[1]	1004	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1005	shf(j,i) = wall_heatflux(0)
	1006	ENDIF
	1007	ENDDO
	1008	ENDDO
	1009	ENDIF
	1010	ENDIF
	1011	ENDIF
	1012
	1013	!
	1014	!-- Determine the near-surface water flux
[75]	1015	IF ( humidity .OR. passive_scalar ) THEN
[1115]	1016	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1017	precipitation ) THEN
[1340]	1018	qrsws = 0.0_wp
	1019	nrsws = 0.0_wp
[1053]	1020	ENDIF
[1]	1021	IF ( constant_waterflux ) THEN
	1022	qsws = surface_waterflux
[407]	1023	!
	1024	!-- Over topography surface_waterflux is replaced by
	1025	!-- wall_humidityflux(0)
	1026	IF ( TRIM( topography ) /= 'flat' ) THEN
	1027	wall_qflux = wall_humidityflux
[667]	1028	DO i = nxlg, nxrg
	1029	DO j = nysg, nyng
[407]	1030	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1031	qsws(j,i) = wall_qflux(0)
	1032	ENDIF
	1033	ENDDO
	1034	ENDDO
	1035	ENDIF
[1]	1036	ENDIF
	1037	ENDIF
	1038
	1039	ENDIF
	1040
	1041	!
[19]	1042	!-- Initialize fluxes at top surface
[94]	1043	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1044	!-- The latent flux is zero in this case!
[19]	1045	IF ( use_top_fluxes ) THEN
	1046
	1047	IF ( constant_top_heatflux ) THEN
	1048	!
	1049	!-- Heat flux is prescribed
	1050	tswst = top_heatflux
	1051
[1053]	1052	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1053	qswst = 0.0_wp
[1115]	1054	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1055	precipitation ) THEN
[1340]	1056	nrswst = 0.0_wp
	1057	qrswst = 0.0_wp
[1053]	1058	ENDIF
	1059	ENDIF
[94]	1060
	1061	IF ( ocean ) THEN
[95]	1062	saswsb = bottom_salinityflux
[94]	1063	saswst = top_salinityflux
	1064	ENDIF
[102]	1065	ENDIF
[19]	1066
[102]	1067	!
	1068	!-- Initialization in case of a coupled model run
	1069	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1070	tswst = 0.0_wp
[102]	1071	ENDIF
	1072
[19]	1073	ENDIF
	1074
	1075	!
[1]	1076	!-- Initialize Prandtl layer quantities
	1077	IF ( prandtl_layer ) THEN
	1078
	1079	z0 = roughness_length
[978]	1080	z0h = z0h_factor * z0
[1]	1081
	1082	IF ( .NOT. constant_heatflux ) THEN
	1083	!
	1084	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1085	!-- simply estimated, because therefore rif, u* and theta* would have
	1086	!-- to be computed by iteration. This is why the heat flux is assumed
	1087	!-- to be zero before the first time step. It approaches its correct
	1088	!-- value in the course of the first few time steps.
[1340]	1089	shf = 0.0_wp
[1]	1090	ENDIF
	1091
[75]	1092	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1093	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1115]	1094	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1095	precipitation ) THEN
[1340]	1096	qrsws = 0.0_wp
	1097	nrsws = 0.0_wp
[1053]	1098	ENDIF
[1]	1099	ENDIF
	1100
	1101	ENDIF
	1102
[1179]	1103	!
	1104	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1105	!-- the reference state will be set (overwritten) in init_ocean)
	1106	IF ( use_single_reference_value ) THEN
	1107	IF ( .NOT. humidity ) THEN
	1108	ref_state(:) = pt_reference
	1109	ELSE
	1110	ref_state(:) = vpt_reference
	1111	ENDIF
	1112	ELSE
	1113	IF ( .NOT. humidity ) THEN
	1114	ref_state(:) = pt_init(:)
	1115	ELSE
	1116	ref_state(:) = vpt(:,nys,nxl)
	1117	ENDIF
	1118	ENDIF
[152]	1119
	1120	!
[707]	1121	!-- For the moment, vertical velocity is zero
[1340]	1122	w = 0.0_wp
[1]	1123
	1124	!
	1125	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1126	sums = 0.0_wp
[1]	1127
	1128	!
[707]	1129	!-- In case of iterative solvers, p must get an initial value
[1340]	1130	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1131
	1132	!
[72]	1133	!-- Treating cloud physics, liquid water content and precipitation amount
	1134	!-- are zero at beginning of the simulation
	1135	IF ( cloud_physics ) THEN
[1340]	1136	ql = 0.0_wp
	1137	IF ( precipitation ) precipitation_amount = 0.0_wp
[1115]	1138	IF ( icloud_scheme == 0 ) THEN
[1340]	1139	qc = 0.0_wp
[1115]	1140	nc_1d = nc_const
	1141	ENDIF
[72]	1142	ENDIF
[673]	1143	!
[1]	1144	!-- Impose vortex with vertical axis on the initial velocity profile
	1145	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1146	CALL init_rankine
	1147	ENDIF
	1148
	1149	!
	1150	!-- Impose temperature anomaly (advection test only)
	1151	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1152	CALL init_pt_anomaly
	1153	ENDIF
	1154
	1155	!
	1156	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1157	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1158	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1159	ENDIF
	1160
	1161	!
	1162	!-- If required, change the surface humidity/scalar at the start of the 3D
	1163	!-- run
[75]	1164	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1165	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1166	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1167	ENDIF
	1168
	1169	!
	1170	!-- Initialize old and new time levels.
[1340]	1171	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]	1172	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1173
[75]	1174	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1175	tq_m = 0.0_wp
[1]	1176	q_p = q
[1115]	1177	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1178	precipitation ) THEN
[1340]	1179	tqr_m = 0.0_wp
[1053]	1180	qr_p = qr
[1340]	1181	tnr_m = 0.0_wp
[1053]	1182	nr_p = nr
	1183	ENDIF
[1]	1184	ENDIF
	1185
[94]	1186	IF ( ocean ) THEN
[1340]	1187	tsa_m = 0.0_wp
[94]	1188	sa_p = sa
	1189	ENDIF
[667]	1190
[1402]	1191	CALL location_message( 'finished', .TRUE. )
[94]	1192
[147]	1193	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1194	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1195	THEN
[1384]	1196
[1402]	1197	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1198	.FALSE. )
[1]	1199	!
[767]	1200	!-- When reading data for cyclic fill of 3D prerun data files, read
	1201	!-- some of the global variables from the restart file which are required
	1202	!-- for initializing the inflow
[328]	1203	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1204
[759]	1205	DO i = 0, io_blocks-1
	1206	IF ( i == io_group ) THEN
	1207	CALL read_parts_of_var_list
	1208	CALL close_file( 13 )
	1209	ENDIF
	1210	#if defined( __parallel )
	1211	CALL MPI_BARRIER( comm2d, ierr )
	1212	#endif
	1213	ENDDO
[328]	1214
[767]	1215	ENDIF
	1216
[151]	1217	!
[767]	1218	!-- Read binary data from restart file
	1219	DO i = 0, io_blocks-1
	1220	IF ( i == io_group ) THEN
	1221	CALL read_3d_binary
	1222	ENDIF
	1223	#if defined( __parallel )
	1224	CALL MPI_BARRIER( comm2d, ierr )
	1225	#endif
	1226	ENDDO
	1227
[328]	1228	!
[767]	1229	!-- Initialization of the turbulence recycling method
	1230	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1231	turbulent_inflow ) THEN
	1232	!
	1233	!-- First store the profiles to be used at the inflow.
	1234	!-- These profiles are the (temporally) and horizontally averaged vertical
	1235	!-- profiles from the prerun. Alternatively, prescribed profiles
	1236	!-- for u,v-components can be used.
	1237	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1238
[767]	1239	IF ( use_prescribed_profile_data ) THEN
	1240	mean_inflow_profiles(:,1) = u_init ! u
	1241	mean_inflow_profiles(:,2) = v_init ! v
	1242	ELSE
[328]	1243	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1244	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1245	ENDIF
	1246	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1247	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1248
	1249	!
[767]	1250	!-- If necessary, adjust the horizontal flow field to the prescribed
	1251	!-- profiles
	1252	IF ( use_prescribed_profile_data ) THEN
	1253	DO i = nxlg, nxrg
[667]	1254	DO j = nysg, nyng
[328]	1255	DO k = nzb, nzt+1
[767]	1256	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1257	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1258	ENDDO
[151]	1259	ENDDO
[767]	1260	ENDDO
	1261	ENDIF
[151]	1262
	1263	!
[767]	1264	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1265	!-- conditions are used)
	1266	IF ( inflow_l ) THEN
	1267	DO j = nysg, nyng
	1268	DO k = nzb, nzt+1
	1269	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1270	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1271	w(k,j,nxlg:-1) = 0.0_wp
[767]	1272	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1273	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1274	ENDDO
	1275	ENDDO
	1276	ENDIF
	1277
[151]	1278	!
[767]	1279	!-- Calculate the damping factors to be used at the inflow. For a
	1280	!-- turbulent inflow the turbulent fluctuations have to be limited
	1281	!-- vertically because otherwise the turbulent inflow layer will grow
	1282	!-- in time.
[1340]	1283	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1284	!
	1285	!-- Default: use the inversion height calculated by the prerun; if
	1286	!-- this is zero, inflow_damping_height must be explicitly
	1287	!-- specified.
[1340]	1288	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1289	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1290	ELSE
	1291	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1292	'explicitly specified because&the inversion height ', &
	1293	'calculated by the prerun is zero.'
	1294	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1295	ENDIF
[151]	1296
[767]	1297	ENDIF
	1298
[1340]	1299	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1300	!
[767]	1301	!-- Default for the transition range: one tenth of the undamped
	1302	!-- layer
[1340]	1303	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1304
[767]	1305	ENDIF
[151]	1306
[767]	1307	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1308
[767]	1309	DO k = nzb, nzt+1
[151]	1310
[767]	1311	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1312	inflow_damping_factor(k) = 1.0_wp
[996]	1313	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1314	inflow_damping_factor(k) = 1.0_wp - &
[996]	1315	( zu(k) - inflow_damping_height ) / &
	1316	inflow_damping_width
[767]	1317	ELSE
[1340]	1318	inflow_damping_factor(k) = 0.0_wp
[767]	1319	ENDIF
[151]	1320
[767]	1321	ENDDO
[151]	1322
[147]	1323	ENDIF
	1324
[152]	1325	!
[359]	1326	!-- Inside buildings set velocities and TKE back to zero
	1327	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1328	topography /= 'flat' ) THEN
	1329	!
	1330	!-- Inside buildings set velocities and TKE back to zero.
	1331	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1332	!-- maybe revise later.
[1001]	1333	DO i = nxlg, nxrg
	1334	DO j = nysg, nyng
[1340]	1335	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1336	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1337	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1338	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1339	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1340	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1341	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1342	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1343	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1344	ENDDO
[1001]	1345	ENDDO
[359]	1346
	1347	ENDIF
	1348
	1349	!
[1]	1350	!-- Calculate initial temperature field and other constants used in case
	1351	!-- of a sloping surface
	1352	IF ( sloping_surface ) CALL init_slope
	1353
	1354	!
	1355	!-- Initialize new time levels (only done in order to set boundary values
	1356	!-- including ghost points)
	1357	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1358	IF ( humidity .OR. passive_scalar ) THEN
	1359	q_p = q
[1115]	1360	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1361	precipitation ) THEN
[1053]	1362	qr_p = qr
	1363	nr_p = nr
	1364	ENDIF
	1365	ENDIF
[94]	1366	IF ( ocean ) sa_p = sa
[1]	1367
[181]	1368	!
	1369	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1370	!-- have to be predefined here because they are used (but multiplied with 0)
	1371	!-- there before they are set.
[1340]	1372	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]	1373	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1374	tq_m = 0.0_wp
[1115]	1375	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1376	precipitation ) THEN
[1340]	1377	tqr_m = 0.0_wp
	1378	tnr_m = 0.0_wp
[1053]	1379	ENDIF
	1380	ENDIF
[1340]	1381	IF ( ocean ) tsa_m = 0.0_wp
[181]	1382
[1402]	1383	CALL location_message( 'finished', .TRUE. )
[1384]	1384
[1]	1385	ELSE
	1386	!
	1387	!-- Actually this part of the programm should not be reached
[254]	1388	message_string = 'unknown initializing problem'
	1389	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1390	ENDIF
	1391
[151]	1392
	1393	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1394	!
[151]	1395	!-- Initialize old timelevels needed for radiation boundary conditions
	1396	IF ( outflow_l ) THEN
	1397	u_m_l(:,:,:) = u(:,:,1:2)
	1398	v_m_l(:,:,:) = v(:,:,0:1)
	1399	w_m_l(:,:,:) = w(:,:,0:1)
	1400	ENDIF
	1401	IF ( outflow_r ) THEN
	1402	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1403	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1404	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1405	ENDIF
	1406	IF ( outflow_s ) THEN
	1407	u_m_s(:,:,:) = u(:,0:1,:)
	1408	v_m_s(:,:,:) = v(:,1:2,:)
	1409	w_m_s(:,:,:) = w(:,0:1,:)
	1410	ENDIF
	1411	IF ( outflow_n ) THEN
	1412	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1413	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1414	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1415	ENDIF
[667]	1416
[151]	1417	ENDIF
[680]	1418
[667]	1419	!
	1420	!-- Calculate the initial volume flow at the right and north boundary
[709]	1421	IF ( conserve_volume_flow ) THEN
[151]	1422
[767]	1423	IF ( use_prescribed_profile_data ) THEN
[667]	1424
[1340]	1425	volume_flow_initial_l = 0.0_wp
	1426	volume_flow_area_l = 0.0_wp
[732]	1427
[667]	1428	IF ( nxr == nx ) THEN
	1429	DO j = nys, nyn
[709]	1430	DO k = nzb_2d(j,nx)+1, nzt
[667]	1431	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1432	u_init(k) * dzw(k)
	1433	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1434	ENDDO
	1435	ENDDO
	1436	ENDIF
	1437
	1438	IF ( nyn == ny ) THEN
	1439	DO i = nxl, nxr
	1440	DO k = nzb_2d(ny,i)+1, nzt
	1441	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1442	v_init(k) * dzw(k)
	1443	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1444	ENDDO
	1445	ENDDO
	1446	ENDIF
	1447
	1448	#if defined( __parallel )
	1449	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1450	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1451	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1452	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1453
	1454	#else
	1455	volume_flow_initial = volume_flow_initial_l
	1456	volume_flow_area = volume_flow_area_l
	1457	#endif
	1458
	1459	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1460
[1340]	1461	volume_flow_initial_l = 0.0_wp
	1462	volume_flow_area_l = 0.0_wp
[767]	1463
	1464	IF ( nxr == nx ) THEN
	1465	DO j = nys, nyn
	1466	DO k = nzb_2d(j,nx)+1, nzt
	1467	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1468	hom_sum(k,1,0) * dzw(k)
	1469	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1470	ENDDO
	1471	ENDDO
	1472	ENDIF
	1473
	1474	IF ( nyn == ny ) THEN
	1475	DO i = nxl, nxr
[709]	1476	DO k = nzb_2d(ny,i)+1, nzt
[667]	1477	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1478	hom_sum(k,2,0) * dzw(k)
[667]	1479	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1480	ENDDO
	1481	ENDDO
	1482	ENDIF
	1483
[732]	1484	#if defined( __parallel )
	1485	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1486	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1487	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1488	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1489
	1490	#else
	1491	volume_flow_initial = volume_flow_initial_l
	1492	volume_flow_area = volume_flow_area_l
	1493	#endif
	1494
[667]	1495	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1496
[1340]	1497	volume_flow_initial_l = 0.0_wp
	1498	volume_flow_area_l = 0.0_wp
[732]	1499
[667]	1500	IF ( nxr == nx ) THEN
	1501	DO j = nys, nyn
[709]	1502	DO k = nzb_2d(j,nx)+1, nzt
[667]	1503	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1504	u(k,j,nx) * dzw(k)
[667]	1505	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1506	ENDDO
	1507	ENDDO
	1508	ENDIF
	1509
	1510	IF ( nyn == ny ) THEN
	1511	DO i = nxl, nxr
[709]	1512	DO k = nzb_2d(ny,i)+1, nzt
[667]	1513	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1514	v(k,ny,i) * dzw(k)
	1515	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1516	ENDDO
	1517	ENDDO
	1518	ENDIF
	1519
	1520	#if defined( __parallel )
[732]	1521	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1522	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1523	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1524	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1525
	1526	#else
[732]	1527	volume_flow_initial = volume_flow_initial_l
	1528	volume_flow_area = volume_flow_area_l
[667]	1529	#endif
	1530
[732]	1531	ENDIF
	1532
[151]	1533	!
[709]	1534	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1535	!-- from u\|v_bulk instead
[680]	1536	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1537	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1538	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1539	ENDIF
[667]	1540
[680]	1541	ENDIF
	1542
[787]	1543	!
	1544	!-- Initialize quantities for special advections schemes
	1545	CALL init_advec
[680]	1546
[667]	1547	!
[680]	1548	!-- Impose random perturbation on the horizontal velocity field and then
	1549	!-- remove the divergences from the velocity field at the initial stage
	1550	IF ( create_disturbances .AND. &
	1551	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1552	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1553
[1402]	1554	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1555	CALL disturb_field( nzb_u_inner, tend, u )
	1556	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1557	CALL location_message( 'finished', .TRUE. )
[1384]	1558
[1402]	1559	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1560	n_sor = nsor_ini
[1221]	1561	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1562	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1563	!$acc copyin( weight_pres, weight_substep ) &
	1564	!$acc copy( tri, tric, u, v, w )
[680]	1565	CALL pres
[1111]	1566	!$acc end data
[680]	1567	n_sor = nsor
[1402]	1568	CALL location_message( 'finished', .TRUE. )
[1384]	1569
[680]	1570	ENDIF
	1571
	1572	!
[138]	1573	!-- Initialization of the leaf area density
[709]	1574	IF ( plant_canopy ) THEN
[138]	1575
	1576	SELECT CASE ( TRIM( canopy_mode ) )
	1577
	1578	CASE( 'block' )
	1579
[667]	1580	DO i = nxlg, nxrg
	1581	DO j = nysg, nyng
[138]	1582	lad_s(:,j,i) = lad(:)
	1583	cdc(:,j,i) = drag_coefficient
[709]	1584	IF ( passive_scalar ) THEN
[153]	1585	sls(:,j,i) = leaf_surface_concentration
	1586	sec(:,j,i) = scalar_exchange_coefficient
	1587	ENDIF
[138]	1588	ENDDO
	1589	ENDDO
	1590
	1591	CASE DEFAULT
	1592
	1593	!
	1594	!-- The DEFAULT case is reached either if the parameter
	1595	!-- canopy mode contains a wrong character string or if the
	1596	!-- user has coded a special case in the user interface.
	1597	!-- There, the subroutine user_init_plant_canopy checks
	1598	!-- which of these two conditions applies.
	1599	CALL user_init_plant_canopy
	1600
	1601	END SELECT
	1602
[667]	1603	CALL exchange_horiz( lad_s, nbgp )
	1604	CALL exchange_horiz( cdc, nbgp )
[138]	1605
[709]	1606	IF ( passive_scalar ) THEN
[667]	1607	CALL exchange_horiz( sls, nbgp )
	1608	CALL exchange_horiz( sec, nbgp )
[153]	1609	ENDIF
	1610
	1611	!
	1612	!-- Sharp boundaries of the plant canopy in horizontal directions
	1613	!-- In vertical direction the interpolation is retained, as the leaf
	1614	!-- area density is initialised by prescribing a vertical profile
	1615	!-- consisting of piecewise linear segments. The upper boundary
	1616	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1617
[138]	1618	DO i = nxl, nxr
	1619	DO j = nys, nyn
	1620	DO k = nzb, nzt+1
[1340]	1621	IF ( lad_s(k,j,i) > 0.0_wp ) THEN
[153]	1622	lad_u(k,j,i) = lad_s(k,j,i)
	1623	lad_u(k,j,i+1) = lad_s(k,j,i)
	1624	lad_v(k,j,i) = lad_s(k,j,i)
	1625	lad_v(k,j+1,i) = lad_s(k,j,i)
	1626	ENDIF
[138]	1627	ENDDO
	1628	DO k = nzb, nzt
[1340]	1629	lad_w(k,j,i) = 0.5_wp * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
[138]	1630	ENDDO
	1631	ENDDO
	1632	ENDDO
	1633
[1340]	1634	lad_w(pch_index,:,:) = 0.0_wp
[153]	1635	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1636
[667]	1637	CALL exchange_horiz( lad_u, nbgp )
	1638	CALL exchange_horiz( lad_v, nbgp )
	1639	CALL exchange_horiz( lad_w, nbgp )
[153]	1640
	1641	!
	1642	!-- Initialisation of the canopy heat source distribution
[1340]	1643	IF ( cthf /= 0.0_wp ) THEN
[153]	1644	!
	1645	!-- Piecewise evaluation of the leaf area index by
	1646	!-- integration of the leaf area density
[1340]	1647	lai(:,:,:) = 0.0_wp
[667]	1648	DO i = nxlg, nxrg
	1649	DO j = nysg, nyng
[153]	1650	DO k = pch_index-1, 0, -1
	1651	lai(k,j,i) = lai(k+1,j,i) + &
[1340]	1652	( 0.5_wp * ( lad_w(k+1,j,i) + &
[153]	1653	lad_s(k+1,j,i) ) * &
	1654	( zw(k+1) - zu(k+1) ) ) + &
[1340]	1655	( 0.5_wp * ( lad_w(k,j,i) + &
[153]	1656	lad_s(k+1,j,i) ) * &
	1657	( zu(k+1) - zw(k) ) )
	1658	ENDDO
	1659	ENDDO
	1660	ENDDO
	1661
	1662	!
	1663	!-- Evaluation of the upward kinematic vertical heat flux within the
	1664	!-- canopy
[667]	1665	DO i = nxlg, nxrg
	1666	DO j = nysg, nyng
[153]	1667	DO k = 0, pch_index
	1668	canopy_heat_flux(k,j,i) = cthf * &
[1340]	1669	exp( -0.6_wp * lai(k,j,i) )
[153]	1670	ENDDO
	1671	ENDDO
	1672	ENDDO
	1673
	1674	!
	1675	!-- The near surface heat flux is derived from the heat flux
	1676	!-- distribution within the canopy
	1677	shf(:,:) = canopy_heat_flux(0,:,:)
	1678
	1679	ENDIF
	1680
[138]	1681	ENDIF
	1682
	1683	!
[1]	1684	!-- If required, initialize dvrp-software
[1340]	1685	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1686
[96]	1687	IF ( ocean ) THEN
[1]	1688	!
[96]	1689	!-- Initialize quantities needed for the ocean model
	1690	CALL init_ocean
[388]	1691
[96]	1692	ELSE
	1693	!
	1694	!-- Initialize quantities for handling cloud physics
[849]	1695	!-- This routine must be called before lpm_init, because
[96]	1696	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1697	!-- lpm_init) is not defined.
[96]	1698	CALL init_cloud_physics
	1699	ENDIF
[1]	1700
	1701	!
	1702	!-- If required, initialize particles
[849]	1703	IF ( particle_advection ) CALL lpm_init
[1]	1704
	1705	!
[673]	1706	!-- Initialize the ws-scheme.
	1707	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1708
	1709	!
[709]	1710	!-- Setting weighting factors for calculation of perturbation pressure
	1711	!-- and turbulent quantities from the RK substeps
	1712	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1713
[1322]	1714	weight_substep(1) = 1._wp/6._wp
	1715	weight_substep(2) = 3._wp/10._wp
	1716	weight_substep(3) = 8._wp/15._wp
[709]	1717
[1322]	1718	weight_pres(1) = 1._wp/3._wp
	1719	weight_pres(2) = 5._wp/12._wp
	1720	weight_pres(3) = 1._wp/4._wp
[709]	1721
	1722	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1723
[1322]	1724	weight_substep(1) = 1._wp/2._wp
	1725	weight_substep(2) = 1._wp/2._wp
[673]	1726
[1322]	1727	weight_pres(1) = 1._wp/2._wp
	1728	weight_pres(2) = 1._wp/2._wp
[709]	1729
[1001]	1730	ELSE ! for Euler-method
[709]	1731
[1340]	1732	weight_substep(1) = 1.0_wp
	1733	weight_pres(1) = 1.0_wp
[709]	1734
[673]	1735	ENDIF
	1736
	1737	!
[1]	1738	!-- Initialize Rayleigh damping factors
[1340]	1739	rdf = 0.0_wp
	1740	rdf_sc = 0.0_wp
	1741	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[108]	1742	IF ( .NOT. ocean ) THEN
	1743	DO k = nzb+1, nzt
	1744	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1745	rdf(k) = rayleigh_damping_factor * &
[1340]	1746	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
	1747	/ ( zu(nzt) - rayleigh_damping_height ) )&
[1]	1748	)**2
[108]	1749	ENDIF
	1750	ENDDO
	1751	ELSE
	1752	DO k = nzt, nzb+1, -1
	1753	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1754	rdf(k) = rayleigh_damping_factor * &
[1340]	1755	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
	1756	/ ( rayleigh_damping_height - zu(nzb+1)))&
[108]	1757	)**2
	1758	ENDIF
	1759	ENDDO
	1760	ENDIF
[1]	1761	ENDIF
[785]	1762	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1763
	1764	!
[240]	1765	!-- Initialize the starting level and the vertical smoothing factor used for
	1766	!-- the external pressure gradient
[1340]	1767	dp_smooth_factor = 1.0_wp
[240]	1768	IF ( dp_external ) THEN
	1769	!
	1770	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1771	!-- (e.g. in init_grid).
	1772	IF ( dp_level_ind_b == 0 ) THEN
	1773	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1774	dp_level_ind_b = ind_array(1) - 1 + nzb
	1775	! MINLOC uses lower array bound 1
	1776	ENDIF
	1777	IF ( dp_smooth ) THEN
[1340]	1778	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1779	DO k = dp_level_ind_b+1, nzt
[1340]	1780	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1781	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1782	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1783	ENDDO
	1784	ENDIF
	1785	ENDIF
	1786
	1787	!
[978]	1788	!-- Initialize damping zone for the potential temperature in case of
	1789	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1790	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1791	ptdf_x = 0.0_wp
	1792	ptdf_y = 0.0_wp
[1159]	1793	IF ( bc_lr_dirrad ) THEN
[996]	1794	DO i = nxl, nxr
[978]	1795	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1796	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1797	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
	1798	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1799	ENDIF
	1800	ENDDO
[1159]	1801	ELSEIF ( bc_lr_raddir ) THEN
[996]	1802	DO i = nxl, nxr
[978]	1803	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1804	ptdf_x(i) = pt_damping_factor * &
[1340]	1805	SIN( pi * 0.5_wp * &
	1806	( ( i - nx ) * dx + pt_damping_width ) / &
	1807	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1808	ENDIF
[978]	1809	ENDDO
[1159]	1810	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1811	DO j = nys, nyn
[978]	1812	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1813	ptdf_y(j) = pt_damping_factor * &
[1340]	1814	SIN( pi * 0.5_wp * &
	1815	( ( j - ny ) * dy + pt_damping_width ) / &
	1816	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1817	ENDIF
[978]	1818	ENDDO
[1159]	1819	ELSEIF ( bc_ns_raddir ) THEN
[996]	1820	DO j = nys, nyn
[978]	1821	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1822	ptdf_y(j) = pt_damping_factor * &
[1340]	1823	SIN( pi * 0.5_wp * &
	1824	( pt_damping_width - j * dy ) / &
	1825	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1826	ENDIF
[73]	1827	ENDDO
[1]	1828	ENDIF
	1829
	1830	!
[709]	1831	!-- Initialize local summation arrays for routine flow_statistics.
	1832	!-- This is necessary because they may not yet have been initialized when they
	1833	!-- are called from flow_statistics (or - depending on the chosen model run -
	1834	!-- are never initialized)
[1340]	1835	sums_divnew_l = 0.0_wp
	1836	sums_divold_l = 0.0_wp
	1837	sums_l_l = 0.0_wp
	1838	sums_up_fraction_l = 0.0_wp
	1839	sums_wsts_bc_l = 0.0_wp
[1]	1840
	1841	!
	1842	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1843	!-- Ghost points are excluded because counting values at the ghost boundaries
	1844	!-- would bias the statistics
[1340]	1845	rmask = 1.0_wp
	1846	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1847	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1848
	1849	!
[51]	1850	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1851	!-- of allowed timeseries is exceeded
[1]	1852	CALL user_init
	1853
[51]	1854	IF ( dots_num > dots_max ) THEN
[254]	1855	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1856	' its maximum of dots_max = ', dots_max, &
[254]	1857	' &Please increase dots_max in modules.f90.'
	1858	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1859	ENDIF
	1860
[1]	1861	!
	1862	!-- Input binary data file is not needed anymore. This line must be placed
	1863	!-- after call of user_init!
	1864	CALL close_file( 13 )
	1865
	1866	!
	1867	!-- Compute total sum of active mask grid points
	1868	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1869	!-- total domain
	1870	!-- ngp_3d: number of grid points of the total domain
[132]	1871	ngp_2dh_outer_l = 0
	1872	ngp_2dh_outer = 0
	1873	ngp_2dh_s_inner_l = 0
	1874	ngp_2dh_s_inner = 0
	1875	ngp_2dh_l = 0
	1876	ngp_2dh = 0
[1340]	1877	ngp_3d_inner_l = 0.0_wp
[132]	1878	ngp_3d_inner = 0
	1879	ngp_3d = 0
	1880	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1881
	1882	DO sr = 0, statistic_regions
	1883	DO i = nxl, nxr
	1884	DO j = nys, nyn
[1340]	1885	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1886	!
	1887	!-- All xy-grid points
	1888	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1889	!
	1890	!-- xy-grid points above topography
	1891	DO k = nzb_s_outer(j,i), nz + 1
	1892	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1893	ENDDO
[132]	1894	DO k = nzb_s_inner(j,i), nz + 1
	1895	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1896	ENDDO
[1]	1897	!
	1898	!-- All grid points of the total domain above topography
	1899	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1900	( nz - nzb_s_inner(j,i) + 2 )
	1901	ENDIF
	1902	ENDDO
	1903	ENDDO
	1904	ENDDO
	1905
	1906	sr = statistic_regions + 1
	1907	#if defined( __parallel )
[622]	1908	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1909	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1910	comm2d, ierr )
[622]	1911	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1912	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1913	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1914	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1915	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1916	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1917	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1918	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1919	MPI_SUM, comm2d, ierr )
[485]	1920	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1921	#else
[132]	1922	ngp_2dh = ngp_2dh_l
	1923	ngp_2dh_outer = ngp_2dh_outer_l
	1924	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1925	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1926	#endif
	1927
[560]	1928	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1929	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1930
	1931	!
	1932	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1933	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1934	!-- the respective subdomain lie below the surface topography
[667]	1935	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1936	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1937	ngp_3d_inner(:) )
[667]	1938	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1939
[485]	1940	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1941
[1402]	1942	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	1943
	1944	END SUBROUTINE init_3d_model

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