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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1400

Last change on this file since 1400 was 1400, checked in by knoop, 10 years ago
Parallel random number generator added (preliminary version).
Property svn:keywords set to `Id`
File size: 66.3 KB

Rev	Line
[1]	1	SUBROUTINE init_3d_model
	2
[1036]	3	!--------------------------------------------------------------------------------!
	4	! This file is part of PALM.
	5	!
	6	! PALM is free software: you can redistribute it and/or modify it under the terms
	7	! of the GNU General Public License as published by the Free Software Foundation,
	8	! either version 3 of the License, or (at your option) any later version.
	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[1310]	17	! Copyright 1997-2014 Leibniz Universitaet Hannover
[1036]	18	!--------------------------------------------------------------------------------!
	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[1400]	22	! Parallel random number generator added
[1341]	23	!
[1054]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 1400 2014-05-09 14:03:54Z knoop $
	27	!
[1385]	28	! 1384 2014-05-02 14:31:06Z raasch
	29	! location messages added
	30	!
[1362]	31	! 1361 2014-04-16 15:17:48Z hoffmann
	32	! tend_* removed
	33	! Bugfix: w_subs is not allocated anymore if it is already allocated
	34	!
[1360]	35	! 1359 2014-04-11 17:15:14Z hoffmann
	36	! module lpm_init_mod added to use statements, because lpm_init has become a
	37	! module
	38	!
[1354]	39	! 1353 2014-04-08 15:21:23Z heinze
	40	! REAL constants provided with KIND-attribute
	41	!
[1341]	42	! 1340 2014-03-25 19:45:13Z kanani
	43	! REAL constants defined as wp-kind
	44	!
[1323]	45	! 1322 2014-03-20 16:38:49Z raasch
	46	! REAL constants defined as wp-kind
	47	! module interfaces removed
	48	!
[1321]	49	! 1320 2014-03-20 08:40:49Z raasch
	50	! ONLY-attribute added to USE-statements,
	51	! kind-parameters added to all INTEGER and REAL declaration statements,
	52	! kinds are defined in new module kinds,
	53	! revision history before 2012 removed,
	54	! comment fields (!:) to be used for variable explanations added to
	55	! all variable declaration statements
	56	!
[1317]	57	! 1316 2014-03-17 07:44:59Z heinze
	58	! Bugfix: allocation of w_subs
	59	!
[1300]	60	! 1299 2014-03-06 13:15:21Z heinze
	61	! Allocate w_subs due to extension of large scale subsidence in combination
	62	! with large scale forcing data (LSF_DATA)
	63	!
[1242]	64	! 1241 2013-10-30 11:36:58Z heinze
	65	! Overwrite initial profiles in case of nudging
	66	! Inititialize shf and qsws in case of large_scale_forcing
	67	!
[1222]	68	! 1221 2013-09-10 08:59:13Z raasch
	69	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	70	! copy
	71	!
[1213]	72	! 1212 2013-08-15 08:46:27Z raasch
	73	! array tri is allocated and included in data copy statement
	74	!
[1196]	75	! 1195 2013-07-01 12:27:57Z heinze
	76	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	77	!
[1182]	78	! 1179 2013-06-14 05:57:58Z raasch
	79	! allocate and set ref_state to be used in buoyancy terms
	80	!
[1172]	81	! 1171 2013-05-30 11:27:45Z raasch
	82	! diss array is allocated with full size if accelerator boards are used
	83	!
[1160]	84	! 1159 2013-05-21 11:58:22Z fricke
	85	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	86	!
[1154]	87	! 1153 2013-05-10 14:33:08Z raasch
	88	! diss array is allocated with dummy elements even if it is not needed
[1171]	89	! (required by PGI 13.4 / CUDA 5.0)
[1154]	90	!
[1116]	91	! 1115 2013-03-26 18:16:16Z hoffmann
	92	! unused variables removed
	93	!
[1114]	94	! 1113 2013-03-10 02:48:14Z raasch
	95	! openACC directive modified
	96	!
[1112]	97	! 1111 2013-03-08 23:54:10Z raasch
	98	! openACC directives added for pres
	99	! array diss allocated only if required
	100	!
[1093]	101	! 1092 2013-02-02 11:24:22Z raasch
	102	! unused variables removed
	103	!
[1066]	104	! 1065 2012-11-22 17:42:36Z hoffmann
	105	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	106	!
[1054]	107	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	108	! allocation and initialisation of necessary data arrays for the two-moment
	109	! cloud physics scheme the two new prognostic equations (nr, qr):
	110	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	111	! +tend_*, prr
[979]	112	!
[1037]	113	! 1036 2012-10-22 13:43:42Z raasch
	114	! code put under GPL (PALM 3.9)
	115	!
[1033]	116	! 1032 2012-10-21 13:03:21Z letzel
	117	! save memory by not allocating pt_2 in case of neutral = .T.
	118	!
[1026]	119	! 1025 2012-10-07 16:04:41Z letzel
	120	! bugfix: swap indices of mask for ghost boundaries
	121	!
[1017]	122	! 1015 2012-09-27 09:23:24Z raasch
	123	! mask is set to zero for ghost boundaries
	124	!
[1011]	125	! 1010 2012-09-20 07:59:54Z raasch
	126	! cpp switch __nopointer added for pointer free version
	127	!
[1004]	128	! 1003 2012-09-14 14:35:53Z raasch
	129	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	130	!
[1002]	131	! 1001 2012-09-13 14:08:46Z raasch
	132	! all actions concerning leapfrog scheme removed
	133	!
[997]	134	! 996 2012-09-07 10:41:47Z raasch
	135	! little reformatting
	136	!
[979]	137	! 978 2012-08-09 08:28:32Z fricke
[978]	138	! outflow damping layer removed
	139	! roughness length for scalar quantites z0h added
	140	! damping zone for the potential temperatur in case of non-cyclic lateral
	141	! boundaries added
	142	! initialization of ptdf_x, ptdf_y
	143	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	144	!
[850]	145	! 849 2012-03-15 10:35:09Z raasch
	146	! init_particles renamed lpm_init
	147	!
[826]	148	! 825 2012-02-19 03:03:44Z raasch
	149	! wang_collision_kernel renamed wang_kernel
	150	!
[1]	151	! Revision 1.1 1998/03/09 16:22:22 raasch
	152	! Initial revision
	153	!
	154	!
	155	! Description:
	156	! ------------
	157	! Allocation of arrays and initialization of the 3D model via
	158	! a) pre-run the 1D model
	159	! or
	160	! b) pre-set constant linear profiles
	161	! or
	162	! c) read values of a previous run
	163	!------------------------------------------------------------------------------!
	164
[667]	165	USE advec_ws
[1320]	166
[1]	167	USE arrays_3d
[1320]	168
	169	USE cloud_parameters, &
	170	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	171
	172	USE constants, &
	173	ONLY: pi
	174
[1]	175	USE control_parameters
[1320]	176
	177	USE grid_variables, &
	178	ONLY: dx, dy
	179
[1]	180	USE indices
[1359]	181
	182	USE lpm_init_mod, &
	183	ONLY: lpm_init
[1320]	184
	185	USE kinds
	186
[1241]	187	USE ls_forcing_mod
[1320]	188
	189	USE model_1d, &
	190	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	191
[51]	192	USE netcdf_control
[1320]	193
	194	USE particle_attributes, &
	195	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	196
[1]	197	USE pegrid
[1320]	198
	199	USE random_function_mod
	200
[1400]	201	USE random_generator_parallel, &
	202	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	203	id_random_array, seq_random_array
	204
[1320]	205	USE statistics, &
	206	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	207	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	208	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	209	weight_pres, weight_substep
	210
	211	USE transpose_indices
[1]	212
	213	IMPLICIT NONE
	214
[1320]	215	INTEGER(iwp) :: i !:
	216	INTEGER(iwp) :: ind_array(1) !:
	217	INTEGER(iwp) :: j !:
	218	INTEGER(iwp) :: k !:
	219	INTEGER(iwp) :: sr !:
[1]	220
[1320]	221	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !:
[1]	222
[1320]	223	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !:
	224	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !:
[1]	225
[1320]	226	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !:
	227	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !:
[1]	228
[1320]	229	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !:
	230	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !:
[1]	231
[485]	232
[1384]	233	CALL location_message( 'allocating arrays' )
[1]	234	!
	235	!-- Allocate arrays
	236	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	237	ngp_3d(0:statistic_regions), &
	238	ngp_3d_inner(0:statistic_regions), &
	239	ngp_3d_inner_l(0:statistic_regions), &
[485]	240	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	241	sums_divnew_l(0:statistic_regions), &
	242	sums_divold_l(0:statistic_regions) )
[1195]	243	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	244	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	245	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	246	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	247	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	248	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	249	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	250	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	251	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	252	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	253	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	254	ts_value(dots_max,0:statistic_regions) )
[978]	255	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	256
[1001]	257	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	258	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	259	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	260	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	261	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	262	z0h(nysg:nyng,nxlg:nxrg) )
[1]	263
[1010]	264	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	265	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	266	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	267	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	268	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	269
	270	#if defined( __nopointer )
	271	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	272	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	273	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	274	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	275	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	276	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	277	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	278	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	279	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	280	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	281	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	282	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	283	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	284	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	285	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	286	#else
	287	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	288	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	289	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	290	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	291	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	292	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	293	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	294	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	295	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	296	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	297	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	298	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	299	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	300	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	301	IF ( .NOT. neutral ) THEN
	302	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	303	ENDIF
[1010]	304	#endif
	305
[673]	306	!
[707]	307	!-- Following array is required for perturbation pressure within the iterative
	308	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	309	!-- the weighted average of the substeps and cannot be used in the Poisson
	310	!-- solver.
	311	IF ( psolver == 'sor' ) THEN
	312	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	313	ELSEIF ( psolver == 'multigrid' ) THEN
	314	!
	315	!-- For performance reasons, multigrid is using one ghost layer only
	316	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	317	ENDIF
[1]	318
[1111]	319	!
	320	!-- Array for storing constant coeffficients of the tridiagonal solver
	321	IF ( psolver == 'poisfft' ) THEN
[1212]	322	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	323	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	324	ENDIF
	325
[75]	326	IF ( humidity .OR. passive_scalar ) THEN
[1]	327	!
[75]	328	!-- 2D-humidity/scalar arrays
[1001]	329	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	330	qsws(nysg:nyng,nxlg:nxrg), &
	331	qswst(nysg:nyng,nxlg:nxrg) )
[1]	332
	333	!
[75]	334	!-- 3D-humidity/scalar arrays
[1010]	335	#if defined( __nopointer )
	336	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	339	#else
[667]	340	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	342	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	343	#endif
[1]	344
	345	!
[75]	346	!-- 3D-arrays needed for humidity only
	347	IF ( humidity ) THEN
[1010]	348	#if defined( __nopointer )
	349	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	350	#else
[667]	351	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	352	#endif
[1]	353
	354	IF ( cloud_physics ) THEN
[1053]	355
[1]	356	!
	357	!-- Liquid water content
[1010]	358	#if defined( __nopointer )
	359	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	360	#else
[667]	361	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	362	#endif
[72]	363	!
	364	!-- Precipitation amount and rate (only needed if output is switched)
[667]	365	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	366	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	367
	368	IF ( icloud_scheme == 0 ) THEN
	369	!
[1115]	370	!-- 1D-arrays
	371	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	372	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	373	!
[1115]	374	!-- 3D-cloud water content
[1053]	375	#if defined( __nopointer )
[1115]	376	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	377	#else
[1115]	378	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	379	#endif
[1115]	380
	381	IF ( precipitation ) THEN
[1053]	382	!
[1115]	383	!-- 1D-arrays
	384	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
[1361]	385
[1115]	386	!
	387	!-- 2D-rain water content and rain drop concentration arrays
	388	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	389	qrsws(nysg:nyng,nxlg:nxrg), &
	390	qrswst(nysg:nyng,nxlg:nxrg), &
	391	nrs(nysg:nyng,nxlg:nxrg), &
	392	nrsws(nysg:nyng,nxlg:nxrg), &
	393	nrswst(nysg:nyng,nxlg:nxrg) )
	394	!
	395	!-- 3D-rain water content, rain drop concentration arrays
	396	#if defined( __nopointer )
	397	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	398	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	399	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	400	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	401	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	402	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	403	#else
	404	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	405	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	406	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	407	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	408	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	409	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	410	#endif
	411	!
	412	!-- 3d-precipitation rate
[1053]	413	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	414	ENDIF
	415
	416	ENDIF
[1]	417	ENDIF
	418
	419	IF ( cloud_droplets ) THEN
	420	!
[1010]	421	!-- Liquid water content, change in liquid water content
	422	#if defined( __nopointer )
	423	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	424	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	425	#else
[667]	426	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	427	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	428	#endif
	429	!
	430	!-- Real volume of particles (with weighting), volume of particles
	431	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	432	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	433	ENDIF
	434
	435	ENDIF
	436
	437	ENDIF
	438
[94]	439	IF ( ocean ) THEN
[1001]	440	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	441	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	442	#if defined( __nopointer )
	443	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	444	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	445	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	446	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	447	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	448	#else
[667]	449	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	450	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	451	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	452	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	453	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	454	prho => prho_1
	455	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	456	! density to be apointer
[1010]	457	#endif
[108]	458	IF ( humidity_remote ) THEN
[667]	459	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	460	qswst_remote = 0.0_wp
[108]	461	ENDIF
[94]	462	ENDIF
	463
[1]	464	!
	465	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	466	!-- particle velocities
[1171]	467	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	468	num_acc_per_node > 0 ) THEN
[1153]	469	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	470	ENDIF
	471
[1340]	472	IF ( dt_dosp /= 9999999.9_wp ) THEN
[1]	473	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	474	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[1340]	475	spectrum_x = 0.0_wp
	476	spectrum_y = 0.0_wp
[1]	477	ENDIF
	478
	479	!
[1299]	480	!-- 1D-array for large scale subsidence velocity
[1361]	481	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	482	ALLOCATE ( w_subs(nzb:nzt+1) )
	483	w_subs = 0.0_wp
	484	ENDIF
[1299]	485
	486	!
[1400]	487	!-- ID-array and state-space-array for the parallel random number generator
	488	IF ( random_generator == 'random-parallel' ) THEN
	489	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	490	ALLOCATE ( id_random_array(0:ny,0:nx) )
	491	seq_random_array = 0
	492	id_random_array = 0
	493	ENDIF
	494
	495	!
[138]	496	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	497	IF ( plant_canopy ) THEN
[667]	498	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	499	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	500	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	501	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	502	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	503
	504	IF ( passive_scalar ) THEN
[996]	505	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	506	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	507	ENDIF
	508
[1340]	509	IF ( cthf /= 0.0_wp ) THEN
[996]	510	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	511	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	512	ENDIF
	513
[138]	514	ENDIF
	515
	516	!
[51]	517	!-- 4D-array for storing the Rif-values at vertical walls
	518	IF ( topography /= 'flat' ) THEN
[667]	519	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	520	rif_wall = 0.0_wp
[51]	521	ENDIF
	522
	523	!
[106]	524	!-- Arrays to store velocity data from t-dt and the phase speeds which
	525	!-- are needed for radiation boundary conditions
[73]	526	IF ( outflow_l ) THEN
[667]	527	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	528	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	529	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	530	ENDIF
	531	IF ( outflow_r ) THEN
[667]	532	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	533	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	534	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	535	ENDIF
[106]	536	IF ( outflow_l .OR. outflow_r ) THEN
[667]	537	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	538	c_w(nzb:nzt+1,nysg:nyng) )
[106]	539	ENDIF
[73]	540	IF ( outflow_s ) THEN
[667]	541	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	542	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	543	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	544	ENDIF
	545	IF ( outflow_n ) THEN
[667]	546	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	547	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	548	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	549	ENDIF
[106]	550	IF ( outflow_s .OR. outflow_n ) THEN
[667]	551	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	552	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	553	ENDIF
[996]	554	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	555	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	556	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	557	ENDIF
[73]	558
[978]	559
[1010]	560	#if ! defined( __nopointer )
[73]	561	!
[1]	562	!-- Initial assignment of the pointers
[1001]	563	e => e_1; e_p => e_2; te_m => e_3
[1032]	564	IF ( .NOT. neutral ) THEN
	565	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	566	ELSE
	567	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	568	ENDIF
[1001]	569	u => u_1; u_p => u_2; tu_m => u_3
	570	v => v_1; v_p => v_2; tv_m => v_3
	571	w => w_1; w_p => w_2; tw_m => w_3
[1]	572
[1001]	573	IF ( humidity .OR. passive_scalar ) THEN
	574	q => q_1; q_p => q_2; tq_m => q_3
[1053]	575	IF ( humidity ) THEN
	576	vpt => vpt_1
	577	IF ( cloud_physics ) THEN
	578	ql => ql_1
	579	IF ( icloud_scheme == 0 ) THEN
[1115]	580	qc => qc_1
	581	IF ( precipitation ) THEN
	582	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	583	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	584	ENDIF
[1053]	585	ENDIF
	586	ENDIF
	587	ENDIF
[1001]	588	IF ( cloud_droplets ) THEN
	589	ql => ql_1
	590	ql_c => ql_2
[1]	591	ENDIF
[1001]	592	ENDIF
[1]	593
[1001]	594	IF ( ocean ) THEN
	595	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	596	ENDIF
[1010]	597	#endif
[1]	598
	599	!
[709]	600	!-- Allocate arrays containing the RK coefficient for calculation of
	601	!-- perturbation pressure and turbulent fluxes. At this point values are
	602	!-- set for pressure calculation during initialization (where no timestep
	603	!-- is done). Further below the values needed within the timestep scheme
	604	!-- will be set.
	605	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	606	weight_pres(1:intermediate_timestep_count_max) )
[1340]	607	weight_substep = 1.0_wp
	608	weight_pres = 1.0_wp
[709]	609	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	610
[1384]	611	CALL location_message( 'finished' )
[673]	612	!
[1]	613	!-- Initialize model variables
[147]	614	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	615	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	616	!
	617	!-- First model run of a possible job queue.
	618	!-- Initial profiles of the variables must be computes.
	619	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	620
	621	CALL location_message( 'initializing with 1D model profiles' )
[1]	622	!
	623	!-- Use solutions of the 1D model as initial profiles,
	624	!-- start 1D model
	625	CALL init_1d_model
	626	!
	627	!-- Transfer initial profiles to the arrays of the 3D model
[667]	628	DO i = nxlg, nxrg
	629	DO j = nysg, nyng
[1]	630	e(:,j,i) = e1d
	631	kh(:,j,i) = kh1d
	632	km(:,j,i) = km1d
	633	pt(:,j,i) = pt_init
	634	u(:,j,i) = u1d
	635	v(:,j,i) = v1d
	636	ENDDO
	637	ENDDO
	638
[75]	639	IF ( humidity .OR. passive_scalar ) THEN
[667]	640	DO i = nxlg, nxrg
	641	DO j = nysg, nyng
[1]	642	q(:,j,i) = q_init
	643	ENDDO
	644	ENDDO
[1353]	645	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	646	precipitation ) THEN
[1053]	647	DO i = nxlg, nxrg
	648	DO j = nysg, nyng
[1340]	649	qr(:,j,i) = 0.0_wp
	650	nr(:,j,i) = 0.0_wp
[1053]	651	ENDDO
	652	ENDDO
[1115]	653	!
	654	!-- Initialze nc_1d with default value
	655	nc_1d(:) = nc_const
	656
[1053]	657	ENDIF
[1]	658	ENDIF
	659
	660	IF ( .NOT. constant_diffusion ) THEN
[667]	661	DO i = nxlg, nxrg
	662	DO j = nysg, nyng
[1]	663	e(:,j,i) = e1d
	664	ENDDO
	665	ENDDO
	666	!
	667	!-- Store initial profiles for output purposes etc.
	668	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	669
	670	IF ( prandtl_layer ) THEN
	671	rif = rif1d(nzb+1)
[1340]	672	ts = 0.0_wp ! could actually be computed more accurately in the
	673	! 1D model. Update when opportunity arises.
[1]	674	us = us1d
	675	usws = usws1d
	676	vsws = vsws1d
	677	ELSE
[1340]	678	ts = 0.0_wp ! must be set, because used in
	679	rif = 0.0_wp ! flowste
	680	us = 0.0_wp
	681	usws = 0.0_wp
	682	vsws = 0.0_wp
[1]	683	ENDIF
	684
	685	ELSE
[1340]	686	e = 0.0_wp ! must be set, because used in
	687	rif = 0.0_wp ! flowste
	688	ts = 0.0_wp
	689	us = 0.0_wp
	690	usws = 0.0_wp
	691	vsws = 0.0_wp
[1]	692	ENDIF
[102]	693	uswst = top_momentumflux_u
	694	vswst = top_momentumflux_v
[1]	695
	696	!
	697	!-- In every case qs = 0.0 (see also pt)
	698	!-- This could actually be computed more accurately in the 1D model.
	699	!-- Update when opportunity arises!
[1053]	700	IF ( humidity .OR. passive_scalar ) THEN
[1340]	701	qs = 0.0_wp
[1353]	702	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	703	precipitation ) THEN
[1340]	704	qrs = 0.0_wp
	705	nrs = 0.0_wp
[1053]	706	ENDIF
	707	ENDIF
[1]	708
	709	!
	710	!-- inside buildings set velocities back to zero
	711	IF ( topography /= 'flat' ) THEN
	712	DO i = nxl-1, nxr+1
	713	DO j = nys-1, nyn+1
[1340]	714	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	715	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	716	ENDDO
	717	ENDDO
[667]	718
[1]	719	!
	720	!-- WARNING: The extra boundary conditions set after running the
	721	!-- ------- 1D model impose an error on the divergence one layer
	722	!-- below the topography; need to correct later
	723	!-- ATTENTION: Provisional correction for Piacsek & Williams
	724	!-- --------- advection scheme: keep u and v zero one layer below
	725	!-- the topography.
[667]	726	IF ( ibc_uv_b == 1 ) THEN
	727	!
[1]	728	!-- Neumann condition
	729	DO i = nxl-1, nxr+1
	730	DO j = nys-1, nyn+1
	731	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	732	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	733	ENDDO
	734	ENDDO
	735
	736	ENDIF
	737
	738	ENDIF
	739
[1384]	740	CALL location_message( 'finished' )
	741
[1]	742	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	743	THEN
[1241]	744
[1384]	745	CALL location_message( 'initializing with constant profiles' )
[1]	746	!
[1241]	747	!-- Overwrite initial profiles in case of nudging
	748	IF ( nudging ) THEN
	749	pt_init = ptnudge(:,1)
	750	u_init = unudge(:,1)
	751	v_init = vnudge(:,1)
	752	IF ( humidity .OR. passive_scalar ) THEN
	753	q_init = qnudge(:,1)
	754	ENDIF
	755
	756	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	757	'scalars from NUDGING_DATA are used.'
	758	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	759	ENDIF
	760
	761	!
[1]	762	!-- Use constructed initial profiles (velocity constant with height,
	763	!-- temperature profile with constant gradient)
[667]	764	DO i = nxlg, nxrg
	765	DO j = nysg, nyng
[1]	766	pt(:,j,i) = pt_init
	767	u(:,j,i) = u_init
	768	v(:,j,i) = v_init
	769	ENDDO
	770	ENDDO
[75]	771
[1]	772	!
[292]	773	!-- Set initial horizontal velocities at the lowest computational grid
	774	!-- levels to zero in order to avoid too small time steps caused by the
	775	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	776	!-- in the limiting formula!). The original values are stored to be later
	777	!-- used for volume flow control.
[667]	778	DO i = nxlg, nxrg
	779	DO j = nysg, nyng
[1340]	780	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	781	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
[1]	782	ENDDO
	783	ENDDO
	784
[75]	785	IF ( humidity .OR. passive_scalar ) THEN
[667]	786	DO i = nxlg, nxrg
	787	DO j = nysg, nyng
[1]	788	q(:,j,i) = q_init
	789	ENDDO
	790	ENDDO
[1115]	791	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	792	!
	793	!-- Initialze nc_1d with default value
	794	nc_1d(:) = nc_const
	795
	796	IF ( precipitation ) THEN
	797	DO i = nxlg, nxrg
	798	DO j = nysg, nyng
[1340]	799	qr(:,j,i) = 0.0_wp
	800	nr(:,j,i) = 0.0_wp
[1115]	801	ENDDO
[1053]	802	ENDDO
[1115]	803	ENDIF
	804
[1053]	805	ENDIF
[1]	806	ENDIF
	807
[94]	808	IF ( ocean ) THEN
[667]	809	DO i = nxlg, nxrg
	810	DO j = nysg, nyng
[94]	811	sa(:,j,i) = sa_init
	812	ENDDO
	813	ENDDO
	814	ENDIF
[1]	815
	816	IF ( constant_diffusion ) THEN
	817	km = km_constant
	818	kh = km / prandtl_number
[1340]	819	e = 0.0_wp
	820	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	821	DO k = nzb+1, nzt
[1340]	822	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	823	ENDDO
	824	km(nzb,:,:) = km(nzb+1,:,:)
	825	km(nzt+1,:,:) = km(nzt,:,:)
	826	kh = km / prandtl_number
	827	e = e_init
[1]	828	ELSE
[108]	829	IF ( .NOT. ocean ) THEN
[1340]	830	kh = 0.01_wp ! there must exist an initial diffusion, because
	831	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	832	! production terms, as long as not yet
	833	! e = (u/cm)*2 at k=nzb+1
	834	ELSE
[1340]	835	kh = 0.00001_wp
	836	km = 0.00001_wp
[108]	837	ENDIF
[1340]	838	e = 0.0_wp
[1]	839	ENDIF
[1340]	840	rif = 0.0_wp
	841	ts = 0.0_wp
	842	us = 0.0_wp
	843	usws = 0.0_wp
[102]	844	uswst = top_momentumflux_u
[1340]	845	vsws = 0.0_wp
[102]	846	vswst = top_momentumflux_v
[1340]	847	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	848
	849	!
	850	!-- Compute initial temperature field and other constants used in case
	851	!-- of a sloping surface
	852	IF ( sloping_surface ) CALL init_slope
	853
[1384]	854	CALL location_message( 'finished' )
	855
[46]	856	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	857	THEN
[1384]	858
	859	CALL location_message( 'initializing by user' )
[46]	860	!
	861	!-- Initialization will completely be done by the user
	862	CALL user_init_3d_model
	863
[1384]	864	CALL location_message( 'finished' )
	865
[1]	866	ENDIF
[1384]	867
	868	CALL location_message( 'initializing statistics, boundary conditions, etc.' )
	869
[667]	870	!
	871	!-- Bottom boundary
	872	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	873	u(nzb,:,:) = 0.0_wp
	874	v(nzb,:,:) = 0.0_wp
[667]	875	ENDIF
[1]	876
	877	!
[151]	878	!-- Apply channel flow boundary condition
[132]	879	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	880	u(nzt+1,:,:) = 0.0_wp
	881	v(nzt+1,:,:) = 0.0_wp
[132]	882	ENDIF
	883
	884	!
[1]	885	!-- Calculate virtual potential temperature
[1340]	886	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	887
	888	!
	889	!-- Store initial profiles for output purposes etc.
	890	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	891	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	892	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	893	hom(nzb,1,5,:) = 0.0_wp
	894	hom(nzb,1,6,:) = 0.0_wp
[1]	895	ENDIF
	896	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	897	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	898	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	899
[97]	900	IF ( ocean ) THEN
	901	!
	902	!-- Store initial salinity profile
	903	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	904	ENDIF
[1]	905
[75]	906	IF ( humidity ) THEN
[1]	907	!
	908	!-- Store initial profile of total water content, virtual potential
	909	!-- temperature
	910	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	911	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	912	IF ( cloud_physics .OR. cloud_droplets ) THEN
	913	!
	914	!-- Store initial profile of specific humidity and potential
	915	!-- temperature
	916	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	917	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	918	ENDIF
	919	ENDIF
	920
	921	IF ( passive_scalar ) THEN
	922	!
	923	!-- Store initial scalar profile
	924	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	925	ENDIF
	926
	927	!
[1400]	928	!-- Initialize the random number generators (from numerical recipes)
	929	CALL random_function_ini
	930	IF ( random_generator == 'random-parallel' ) THEN
	931	CALL random_function_ini
	932	!- asigning an ID to every vertical gridpoint column
	933	DO j=0,ny
	934	DO i=0,nx
	935	id_random_array(j,i) = 1000000*i + j
	936	END DO
	937	ENDDO
	938	!- executing the initial ran_parallel
	939	DO j = nysg, nyng
	940	DO i = nxlg, nxrg
	941	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	942	CALL random_number_parallel (random_dummy)
	943	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	944	END DO
	945	ENDDO
	946	ENDIF
	947
	948	!
[19]	949	!-- Initialize fluxes at bottom surface
[1]	950	IF ( use_surface_fluxes ) THEN
	951
	952	IF ( constant_heatflux ) THEN
	953	!
	954	!-- Heat flux is prescribed
	955	IF ( random_heatflux ) THEN
	956	CALL disturb_heatflux
	957	ELSE
	958	shf = surface_heatflux
	959	!
[1241]	960	!-- Initialize shf with data from external file LSF_DATA
	961	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	962	CALL ls_forcing_surf ( simulated_time )
	963	ENDIF
	964
	965	!
[1]	966	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	967	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	968	DO i = nxlg, nxrg
	969	DO j = nysg, nyng
[1]	970	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	971	shf(j,i) = wall_heatflux(0)
	972	ENDIF
	973	ENDDO
	974	ENDDO
	975	ENDIF
	976	ENDIF
	977	ENDIF
	978
	979	!
	980	!-- Determine the near-surface water flux
[75]	981	IF ( humidity .OR. passive_scalar ) THEN
[1115]	982	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	983	precipitation ) THEN
[1340]	984	qrsws = 0.0_wp
	985	nrsws = 0.0_wp
[1053]	986	ENDIF
[1]	987	IF ( constant_waterflux ) THEN
	988	qsws = surface_waterflux
[407]	989	!
	990	!-- Over topography surface_waterflux is replaced by
	991	!-- wall_humidityflux(0)
	992	IF ( TRIM( topography ) /= 'flat' ) THEN
	993	wall_qflux = wall_humidityflux
[667]	994	DO i = nxlg, nxrg
	995	DO j = nysg, nyng
[407]	996	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	997	qsws(j,i) = wall_qflux(0)
	998	ENDIF
	999	ENDDO
	1000	ENDDO
	1001	ENDIF
[1]	1002	ENDIF
	1003	ENDIF
	1004
	1005	ENDIF
	1006
	1007	!
[19]	1008	!-- Initialize fluxes at top surface
[94]	1009	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1010	!-- The latent flux is zero in this case!
[19]	1011	IF ( use_top_fluxes ) THEN
	1012
	1013	IF ( constant_top_heatflux ) THEN
	1014	!
	1015	!-- Heat flux is prescribed
	1016	tswst = top_heatflux
	1017
[1053]	1018	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1019	qswst = 0.0_wp
[1115]	1020	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1021	precipitation ) THEN
[1340]	1022	nrswst = 0.0_wp
	1023	qrswst = 0.0_wp
[1053]	1024	ENDIF
	1025	ENDIF
[94]	1026
	1027	IF ( ocean ) THEN
[95]	1028	saswsb = bottom_salinityflux
[94]	1029	saswst = top_salinityflux
	1030	ENDIF
[102]	1031	ENDIF
[19]	1032
[102]	1033	!
	1034	!-- Initialization in case of a coupled model run
	1035	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1036	tswst = 0.0_wp
[102]	1037	ENDIF
	1038
[19]	1039	ENDIF
	1040
	1041	!
[1]	1042	!-- Initialize Prandtl layer quantities
	1043	IF ( prandtl_layer ) THEN
	1044
	1045	z0 = roughness_length
[978]	1046	z0h = z0h_factor * z0
[1]	1047
	1048	IF ( .NOT. constant_heatflux ) THEN
	1049	!
	1050	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1051	!-- simply estimated, because therefore rif, u* and theta* would have
	1052	!-- to be computed by iteration. This is why the heat flux is assumed
	1053	!-- to be zero before the first time step. It approaches its correct
	1054	!-- value in the course of the first few time steps.
[1340]	1055	shf = 0.0_wp
[1]	1056	ENDIF
	1057
[75]	1058	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1059	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1115]	1060	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1061	precipitation ) THEN
[1340]	1062	qrsws = 0.0_wp
	1063	nrsws = 0.0_wp
[1053]	1064	ENDIF
[1]	1065	ENDIF
	1066
	1067	ENDIF
	1068
[1179]	1069	!
	1070	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1071	!-- the reference state will be set (overwritten) in init_ocean)
	1072	IF ( use_single_reference_value ) THEN
	1073	IF ( .NOT. humidity ) THEN
	1074	ref_state(:) = pt_reference
	1075	ELSE
	1076	ref_state(:) = vpt_reference
	1077	ENDIF
	1078	ELSE
	1079	IF ( .NOT. humidity ) THEN
	1080	ref_state(:) = pt_init(:)
	1081	ELSE
	1082	ref_state(:) = vpt(:,nys,nxl)
	1083	ENDIF
	1084	ENDIF
[152]	1085
	1086	!
[707]	1087	!-- For the moment, vertical velocity is zero
[1340]	1088	w = 0.0_wp
[1]	1089
	1090	!
	1091	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1092	sums = 0.0_wp
[1]	1093
	1094	!
[707]	1095	!-- In case of iterative solvers, p must get an initial value
[1340]	1096	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1097
	1098	!
[72]	1099	!-- Treating cloud physics, liquid water content and precipitation amount
	1100	!-- are zero at beginning of the simulation
	1101	IF ( cloud_physics ) THEN
[1340]	1102	ql = 0.0_wp
	1103	IF ( precipitation ) precipitation_amount = 0.0_wp
[1115]	1104	IF ( icloud_scheme == 0 ) THEN
[1340]	1105	qc = 0.0_wp
[1115]	1106	nc_1d = nc_const
	1107	ENDIF
[72]	1108	ENDIF
[673]	1109	!
[1]	1110	!-- Impose vortex with vertical axis on the initial velocity profile
	1111	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1112	CALL init_rankine
	1113	ENDIF
	1114
	1115	!
	1116	!-- Impose temperature anomaly (advection test only)
	1117	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1118	CALL init_pt_anomaly
	1119	ENDIF
	1120
	1121	!
	1122	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1123	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1124	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1125	ENDIF
	1126
	1127	!
	1128	!-- If required, change the surface humidity/scalar at the start of the 3D
	1129	!-- run
[75]	1130	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1131	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1132	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1133	ENDIF
	1134
	1135	!
	1136	!-- Initialize old and new time levels.
[1340]	1137	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]	1138	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1139
[75]	1140	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1141	tq_m = 0.0_wp
[1]	1142	q_p = q
[1115]	1143	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1144	precipitation ) THEN
[1340]	1145	tqr_m = 0.0_wp
[1053]	1146	qr_p = qr
[1340]	1147	tnr_m = 0.0_wp
[1053]	1148	nr_p = nr
	1149	ENDIF
[1]	1150	ENDIF
	1151
[94]	1152	IF ( ocean ) THEN
[1340]	1153	tsa_m = 0.0_wp
[94]	1154	sa_p = sa
	1155	ENDIF
[667]	1156
[1384]	1157	CALL location_message( 'finished' )
[94]	1158
[147]	1159	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1160	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1161	THEN
[1384]	1162
	1163	CALL location_message( 'initializing in case of restart / cyclic_fill' )
[1]	1164	!
[767]	1165	!-- When reading data for cyclic fill of 3D prerun data files, read
	1166	!-- some of the global variables from the restart file which are required
	1167	!-- for initializing the inflow
[328]	1168	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1169
[759]	1170	DO i = 0, io_blocks-1
	1171	IF ( i == io_group ) THEN
	1172	CALL read_parts_of_var_list
	1173	CALL close_file( 13 )
	1174	ENDIF
	1175	#if defined( __parallel )
	1176	CALL MPI_BARRIER( comm2d, ierr )
	1177	#endif
	1178	ENDDO
[328]	1179
[767]	1180	ENDIF
	1181
[151]	1182	!
[767]	1183	!-- Read binary data from restart file
	1184	DO i = 0, io_blocks-1
	1185	IF ( i == io_group ) THEN
	1186	CALL read_3d_binary
	1187	ENDIF
	1188	#if defined( __parallel )
	1189	CALL MPI_BARRIER( comm2d, ierr )
	1190	#endif
	1191	ENDDO
	1192
[328]	1193	!
[767]	1194	!-- Initialization of the turbulence recycling method
	1195	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1196	turbulent_inflow ) THEN
	1197	!
	1198	!-- First store the profiles to be used at the inflow.
	1199	!-- These profiles are the (temporally) and horizontally averaged vertical
	1200	!-- profiles from the prerun. Alternatively, prescribed profiles
	1201	!-- for u,v-components can be used.
	1202	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1203
[767]	1204	IF ( use_prescribed_profile_data ) THEN
	1205	mean_inflow_profiles(:,1) = u_init ! u
	1206	mean_inflow_profiles(:,2) = v_init ! v
	1207	ELSE
[328]	1208	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1209	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1210	ENDIF
	1211	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1212	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1213
	1214	!
[767]	1215	!-- If necessary, adjust the horizontal flow field to the prescribed
	1216	!-- profiles
	1217	IF ( use_prescribed_profile_data ) THEN
	1218	DO i = nxlg, nxrg
[667]	1219	DO j = nysg, nyng
[328]	1220	DO k = nzb, nzt+1
[767]	1221	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1222	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1223	ENDDO
[151]	1224	ENDDO
[767]	1225	ENDDO
	1226	ENDIF
[151]	1227
	1228	!
[767]	1229	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1230	!-- conditions are used)
	1231	IF ( inflow_l ) THEN
	1232	DO j = nysg, nyng
	1233	DO k = nzb, nzt+1
	1234	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1235	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1236	w(k,j,nxlg:-1) = 0.0_wp
[767]	1237	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1238	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1239	ENDDO
	1240	ENDDO
	1241	ENDIF
	1242
[151]	1243	!
[767]	1244	!-- Calculate the damping factors to be used at the inflow. For a
	1245	!-- turbulent inflow the turbulent fluctuations have to be limited
	1246	!-- vertically because otherwise the turbulent inflow layer will grow
	1247	!-- in time.
[1340]	1248	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1249	!
	1250	!-- Default: use the inversion height calculated by the prerun; if
	1251	!-- this is zero, inflow_damping_height must be explicitly
	1252	!-- specified.
[1340]	1253	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1254	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1255	ELSE
	1256	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1257	'explicitly specified because&the inversion height ', &
	1258	'calculated by the prerun is zero.'
	1259	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1260	ENDIF
[151]	1261
[767]	1262	ENDIF
	1263
[1340]	1264	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1265	!
[767]	1266	!-- Default for the transition range: one tenth of the undamped
	1267	!-- layer
[1340]	1268	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1269
[767]	1270	ENDIF
[151]	1271
[767]	1272	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1273
[767]	1274	DO k = nzb, nzt+1
[151]	1275
[767]	1276	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1277	inflow_damping_factor(k) = 1.0_wp
[996]	1278	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1279	inflow_damping_factor(k) = 1.0_wp - &
[996]	1280	( zu(k) - inflow_damping_height ) / &
	1281	inflow_damping_width
[767]	1282	ELSE
[1340]	1283	inflow_damping_factor(k) = 0.0_wp
[767]	1284	ENDIF
[151]	1285
[767]	1286	ENDDO
[151]	1287
[147]	1288	ENDIF
	1289
[152]	1290	!
[359]	1291	!-- Inside buildings set velocities and TKE back to zero
	1292	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1293	topography /= 'flat' ) THEN
	1294	!
	1295	!-- Inside buildings set velocities and TKE back to zero.
	1296	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1297	!-- maybe revise later.
[1001]	1298	DO i = nxlg, nxrg
	1299	DO j = nysg, nyng
[1340]	1300	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1301	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1302	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1303	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1304	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1305	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1306	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1307	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1308	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1309	ENDDO
[1001]	1310	ENDDO
[359]	1311
	1312	ENDIF
	1313
	1314	!
[1]	1315	!-- Calculate initial temperature field and other constants used in case
	1316	!-- of a sloping surface
	1317	IF ( sloping_surface ) CALL init_slope
	1318
	1319	!
	1320	!-- Initialize new time levels (only done in order to set boundary values
	1321	!-- including ghost points)
	1322	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1323	IF ( humidity .OR. passive_scalar ) THEN
	1324	q_p = q
[1115]	1325	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1326	precipitation ) THEN
[1053]	1327	qr_p = qr
	1328	nr_p = nr
	1329	ENDIF
	1330	ENDIF
[94]	1331	IF ( ocean ) sa_p = sa
[1]	1332
[181]	1333	!
	1334	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1335	!-- have to be predefined here because they are used (but multiplied with 0)
	1336	!-- there before they are set.
[1340]	1337	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]	1338	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1339	tq_m = 0.0_wp
[1115]	1340	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1341	precipitation ) THEN
[1340]	1342	tqr_m = 0.0_wp
	1343	tnr_m = 0.0_wp
[1053]	1344	ENDIF
	1345	ENDIF
[1340]	1346	IF ( ocean ) tsa_m = 0.0_wp
[181]	1347
[1384]	1348	CALL location_message( 'finished' )
	1349
[1]	1350	ELSE
	1351	!
	1352	!-- Actually this part of the programm should not be reached
[254]	1353	message_string = 'unknown initializing problem'
	1354	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1355	ENDIF
	1356
[151]	1357
	1358	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1359	!
[151]	1360	!-- Initialize old timelevels needed for radiation boundary conditions
	1361	IF ( outflow_l ) THEN
	1362	u_m_l(:,:,:) = u(:,:,1:2)
	1363	v_m_l(:,:,:) = v(:,:,0:1)
	1364	w_m_l(:,:,:) = w(:,:,0:1)
	1365	ENDIF
	1366	IF ( outflow_r ) THEN
	1367	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1368	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1369	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1370	ENDIF
	1371	IF ( outflow_s ) THEN
	1372	u_m_s(:,:,:) = u(:,0:1,:)
	1373	v_m_s(:,:,:) = v(:,1:2,:)
	1374	w_m_s(:,:,:) = w(:,0:1,:)
	1375	ENDIF
	1376	IF ( outflow_n ) THEN
	1377	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1378	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1379	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1380	ENDIF
[667]	1381
[151]	1382	ENDIF
[680]	1383
[667]	1384	!
	1385	!-- Calculate the initial volume flow at the right and north boundary
[709]	1386	IF ( conserve_volume_flow ) THEN
[151]	1387
[767]	1388	IF ( use_prescribed_profile_data ) THEN
[667]	1389
[1340]	1390	volume_flow_initial_l = 0.0_wp
	1391	volume_flow_area_l = 0.0_wp
[732]	1392
[667]	1393	IF ( nxr == nx ) THEN
	1394	DO j = nys, nyn
[709]	1395	DO k = nzb_2d(j,nx)+1, nzt
[667]	1396	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1397	u_init(k) * dzw(k)
	1398	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1399	ENDDO
	1400	ENDDO
	1401	ENDIF
	1402
	1403	IF ( nyn == ny ) THEN
	1404	DO i = nxl, nxr
	1405	DO k = nzb_2d(ny,i)+1, nzt
	1406	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1407	v_init(k) * dzw(k)
	1408	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1409	ENDDO
	1410	ENDDO
	1411	ENDIF
	1412
	1413	#if defined( __parallel )
	1414	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1415	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1416	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1417	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1418
	1419	#else
	1420	volume_flow_initial = volume_flow_initial_l
	1421	volume_flow_area = volume_flow_area_l
	1422	#endif
	1423
	1424	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1425
[1340]	1426	volume_flow_initial_l = 0.0_wp
	1427	volume_flow_area_l = 0.0_wp
[767]	1428
	1429	IF ( nxr == nx ) THEN
	1430	DO j = nys, nyn
	1431	DO k = nzb_2d(j,nx)+1, nzt
	1432	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1433	hom_sum(k,1,0) * dzw(k)
	1434	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1435	ENDDO
	1436	ENDDO
	1437	ENDIF
	1438
	1439	IF ( nyn == ny ) THEN
	1440	DO i = nxl, nxr
[709]	1441	DO k = nzb_2d(ny,i)+1, nzt
[667]	1442	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1443	hom_sum(k,2,0) * dzw(k)
[667]	1444	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1445	ENDDO
	1446	ENDDO
	1447	ENDIF
	1448
[732]	1449	#if defined( __parallel )
	1450	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1451	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1452	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1453	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1454
	1455	#else
	1456	volume_flow_initial = volume_flow_initial_l
	1457	volume_flow_area = volume_flow_area_l
	1458	#endif
	1459
[667]	1460	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1461
[1340]	1462	volume_flow_initial_l = 0.0_wp
	1463	volume_flow_area_l = 0.0_wp
[732]	1464
[667]	1465	IF ( nxr == nx ) THEN
	1466	DO j = nys, nyn
[709]	1467	DO k = nzb_2d(j,nx)+1, nzt
[667]	1468	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1469	u(k,j,nx) * dzw(k)
[667]	1470	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1471	ENDDO
	1472	ENDDO
	1473	ENDIF
	1474
	1475	IF ( nyn == ny ) THEN
	1476	DO i = nxl, nxr
[709]	1477	DO k = nzb_2d(ny,i)+1, nzt
[667]	1478	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1479	v(k,ny,i) * dzw(k)
	1480	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1481	ENDDO
	1482	ENDDO
	1483	ENDIF
	1484
	1485	#if defined( __parallel )
[732]	1486	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1487	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1488	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1489	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1490
	1491	#else
[732]	1492	volume_flow_initial = volume_flow_initial_l
	1493	volume_flow_area = volume_flow_area_l
[667]	1494	#endif
	1495
[732]	1496	ENDIF
	1497
[151]	1498	!
[709]	1499	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1500	!-- from u\|v_bulk instead
[680]	1501	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1502	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1503	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1504	ENDIF
[667]	1505
[680]	1506	ENDIF
	1507
[787]	1508	!
	1509	!-- Initialize quantities for special advections schemes
	1510	CALL init_advec
[680]	1511
[667]	1512	!
[680]	1513	!-- Impose random perturbation on the horizontal velocity field and then
	1514	!-- remove the divergences from the velocity field at the initial stage
	1515	IF ( create_disturbances .AND. &
	1516	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1517	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1518
[1384]	1519	CALL location_message( 'creating initial disturbances' )
[680]	1520	CALL disturb_field( nzb_u_inner, tend, u )
	1521	CALL disturb_field( nzb_v_inner, tend, v )
[1384]	1522	CALL location_message( 'finished' )
	1523
	1524	CALL location_message( 'calling pressure solver' )
[680]	1525	n_sor = nsor_ini
[1221]	1526	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1527	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1528	!$acc copyin( weight_pres, weight_substep ) &
	1529	!$acc copy( tri, tric, u, v, w )
[680]	1530	CALL pres
[1111]	1531	!$acc end data
[680]	1532	n_sor = nsor
[1384]	1533	CALL location_message( 'finished' )
	1534
[680]	1535	ENDIF
	1536
	1537	!
[138]	1538	!-- Initialization of the leaf area density
[709]	1539	IF ( plant_canopy ) THEN
[138]	1540
	1541	SELECT CASE ( TRIM( canopy_mode ) )
	1542
	1543	CASE( 'block' )
	1544
[667]	1545	DO i = nxlg, nxrg
	1546	DO j = nysg, nyng
[138]	1547	lad_s(:,j,i) = lad(:)
	1548	cdc(:,j,i) = drag_coefficient
[709]	1549	IF ( passive_scalar ) THEN
[153]	1550	sls(:,j,i) = leaf_surface_concentration
	1551	sec(:,j,i) = scalar_exchange_coefficient
	1552	ENDIF
[138]	1553	ENDDO
	1554	ENDDO
	1555
	1556	CASE DEFAULT
	1557
	1558	!
	1559	!-- The DEFAULT case is reached either if the parameter
	1560	!-- canopy mode contains a wrong character string or if the
	1561	!-- user has coded a special case in the user interface.
	1562	!-- There, the subroutine user_init_plant_canopy checks
	1563	!-- which of these two conditions applies.
	1564	CALL user_init_plant_canopy
	1565
	1566	END SELECT
	1567
[667]	1568	CALL exchange_horiz( lad_s, nbgp )
	1569	CALL exchange_horiz( cdc, nbgp )
[138]	1570
[709]	1571	IF ( passive_scalar ) THEN
[667]	1572	CALL exchange_horiz( sls, nbgp )
	1573	CALL exchange_horiz( sec, nbgp )
[153]	1574	ENDIF
	1575
	1576	!
	1577	!-- Sharp boundaries of the plant canopy in horizontal directions
	1578	!-- In vertical direction the interpolation is retained, as the leaf
	1579	!-- area density is initialised by prescribing a vertical profile
	1580	!-- consisting of piecewise linear segments. The upper boundary
	1581	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1582
[138]	1583	DO i = nxl, nxr
	1584	DO j = nys, nyn
	1585	DO k = nzb, nzt+1
[1340]	1586	IF ( lad_s(k,j,i) > 0.0_wp ) THEN
[153]	1587	lad_u(k,j,i) = lad_s(k,j,i)
	1588	lad_u(k,j,i+1) = lad_s(k,j,i)
	1589	lad_v(k,j,i) = lad_s(k,j,i)
	1590	lad_v(k,j+1,i) = lad_s(k,j,i)
	1591	ENDIF
[138]	1592	ENDDO
	1593	DO k = nzb, nzt
[1340]	1594	lad_w(k,j,i) = 0.5_wp * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
[138]	1595	ENDDO
	1596	ENDDO
	1597	ENDDO
	1598
[1340]	1599	lad_w(pch_index,:,:) = 0.0_wp
[153]	1600	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1601
[667]	1602	CALL exchange_horiz( lad_u, nbgp )
	1603	CALL exchange_horiz( lad_v, nbgp )
	1604	CALL exchange_horiz( lad_w, nbgp )
[153]	1605
	1606	!
	1607	!-- Initialisation of the canopy heat source distribution
[1340]	1608	IF ( cthf /= 0.0_wp ) THEN
[153]	1609	!
	1610	!-- Piecewise evaluation of the leaf area index by
	1611	!-- integration of the leaf area density
[1340]	1612	lai(:,:,:) = 0.0_wp
[667]	1613	DO i = nxlg, nxrg
	1614	DO j = nysg, nyng
[153]	1615	DO k = pch_index-1, 0, -1
	1616	lai(k,j,i) = lai(k+1,j,i) + &
[1340]	1617	( 0.5_wp * ( lad_w(k+1,j,i) + &
[153]	1618	lad_s(k+1,j,i) ) * &
	1619	( zw(k+1) - zu(k+1) ) ) + &
[1340]	1620	( 0.5_wp * ( lad_w(k,j,i) + &
[153]	1621	lad_s(k+1,j,i) ) * &
	1622	( zu(k+1) - zw(k) ) )
	1623	ENDDO
	1624	ENDDO
	1625	ENDDO
	1626
	1627	!
	1628	!-- Evaluation of the upward kinematic vertical heat flux within the
	1629	!-- canopy
[667]	1630	DO i = nxlg, nxrg
	1631	DO j = nysg, nyng
[153]	1632	DO k = 0, pch_index
	1633	canopy_heat_flux(k,j,i) = cthf * &
[1340]	1634	exp( -0.6_wp * lai(k,j,i) )
[153]	1635	ENDDO
	1636	ENDDO
	1637	ENDDO
	1638
	1639	!
	1640	!-- The near surface heat flux is derived from the heat flux
	1641	!-- distribution within the canopy
	1642	shf(:,:) = canopy_heat_flux(0,:,:)
	1643
	1644	ENDIF
	1645
[138]	1646	ENDIF
	1647
	1648	!
[1]	1649	!-- If required, initialize dvrp-software
[1340]	1650	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1651
[96]	1652	IF ( ocean ) THEN
[1]	1653	!
[96]	1654	!-- Initialize quantities needed for the ocean model
	1655	CALL init_ocean
[388]	1656
[96]	1657	ELSE
	1658	!
	1659	!-- Initialize quantities for handling cloud physics
[849]	1660	!-- This routine must be called before lpm_init, because
[96]	1661	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1662	!-- lpm_init) is not defined.
[96]	1663	CALL init_cloud_physics
	1664	ENDIF
[1]	1665
	1666	!
	1667	!-- If required, initialize particles
[849]	1668	IF ( particle_advection ) CALL lpm_init
[1]	1669
	1670	!
[673]	1671	!-- Initialize the ws-scheme.
	1672	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1673
	1674	!
[709]	1675	!-- Setting weighting factors for calculation of perturbation pressure
	1676	!-- and turbulent quantities from the RK substeps
	1677	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1678
[1322]	1679	weight_substep(1) = 1._wp/6._wp
	1680	weight_substep(2) = 3._wp/10._wp
	1681	weight_substep(3) = 8._wp/15._wp
[709]	1682
[1322]	1683	weight_pres(1) = 1._wp/3._wp
	1684	weight_pres(2) = 5._wp/12._wp
	1685	weight_pres(3) = 1._wp/4._wp
[709]	1686
	1687	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1688
[1322]	1689	weight_substep(1) = 1._wp/2._wp
	1690	weight_substep(2) = 1._wp/2._wp
[673]	1691
[1322]	1692	weight_pres(1) = 1._wp/2._wp
	1693	weight_pres(2) = 1._wp/2._wp
[709]	1694
[1001]	1695	ELSE ! for Euler-method
[709]	1696
[1340]	1697	weight_substep(1) = 1.0_wp
	1698	weight_pres(1) = 1.0_wp
[709]	1699
[673]	1700	ENDIF
	1701
	1702	!
[1]	1703	!-- Initialize Rayleigh damping factors
[1340]	1704	rdf = 0.0_wp
	1705	rdf_sc = 0.0_wp
	1706	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[108]	1707	IF ( .NOT. ocean ) THEN
	1708	DO k = nzb+1, nzt
	1709	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1710	rdf(k) = rayleigh_damping_factor * &
[1340]	1711	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
	1712	/ ( zu(nzt) - rayleigh_damping_height ) )&
[1]	1713	)**2
[108]	1714	ENDIF
	1715	ENDDO
	1716	ELSE
	1717	DO k = nzt, nzb+1, -1
	1718	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1719	rdf(k) = rayleigh_damping_factor * &
[1340]	1720	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
	1721	/ ( rayleigh_damping_height - zu(nzb+1)))&
[108]	1722	)**2
	1723	ENDIF
	1724	ENDDO
	1725	ENDIF
[1]	1726	ENDIF
[785]	1727	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1728
	1729	!
[240]	1730	!-- Initialize the starting level and the vertical smoothing factor used for
	1731	!-- the external pressure gradient
[1340]	1732	dp_smooth_factor = 1.0_wp
[240]	1733	IF ( dp_external ) THEN
	1734	!
	1735	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1736	!-- (e.g. in init_grid).
	1737	IF ( dp_level_ind_b == 0 ) THEN
	1738	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1739	dp_level_ind_b = ind_array(1) - 1 + nzb
	1740	! MINLOC uses lower array bound 1
	1741	ENDIF
	1742	IF ( dp_smooth ) THEN
[1340]	1743	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1744	DO k = dp_level_ind_b+1, nzt
[1340]	1745	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1746	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1747	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1748	ENDDO
	1749	ENDIF
	1750	ENDIF
	1751
	1752	!
[978]	1753	!-- Initialize damping zone for the potential temperature in case of
	1754	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1755	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1756	ptdf_x = 0.0_wp
	1757	ptdf_y = 0.0_wp
[1159]	1758	IF ( bc_lr_dirrad ) THEN
[996]	1759	DO i = nxl, nxr
[978]	1760	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1761	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1762	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
	1763	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1764	ENDIF
	1765	ENDDO
[1159]	1766	ELSEIF ( bc_lr_raddir ) THEN
[996]	1767	DO i = nxl, nxr
[978]	1768	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1769	ptdf_x(i) = pt_damping_factor * &
[1340]	1770	SIN( pi * 0.5_wp * &
	1771	( ( i - nx ) * dx + pt_damping_width ) / &
	1772	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1773	ENDIF
[978]	1774	ENDDO
[1159]	1775	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1776	DO j = nys, nyn
[978]	1777	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1778	ptdf_y(j) = pt_damping_factor * &
[1340]	1779	SIN( pi * 0.5_wp * &
	1780	( ( j - ny ) * dy + pt_damping_width ) / &
	1781	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1782	ENDIF
[978]	1783	ENDDO
[1159]	1784	ELSEIF ( bc_ns_raddir ) THEN
[996]	1785	DO j = nys, nyn
[978]	1786	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1787	ptdf_y(j) = pt_damping_factor * &
[1340]	1788	SIN( pi * 0.5_wp * &
	1789	( pt_damping_width - j * dy ) / &
	1790	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1791	ENDIF
[73]	1792	ENDDO
[1]	1793	ENDIF
	1794
	1795	!
[709]	1796	!-- Initialize local summation arrays for routine flow_statistics.
	1797	!-- This is necessary because they may not yet have been initialized when they
	1798	!-- are called from flow_statistics (or - depending on the chosen model run -
	1799	!-- are never initialized)
[1340]	1800	sums_divnew_l = 0.0_wp
	1801	sums_divold_l = 0.0_wp
	1802	sums_l_l = 0.0_wp
	1803	sums_up_fraction_l = 0.0_wp
	1804	sums_wsts_bc_l = 0.0_wp
[1]	1805
	1806	!
	1807	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1808	!-- Ghost points are excluded because counting values at the ghost boundaries
	1809	!-- would bias the statistics
[1340]	1810	rmask = 1.0_wp
	1811	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1812	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1813
	1814	!
[51]	1815	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1816	!-- of allowed timeseries is exceeded
[1]	1817	CALL user_init
	1818
[51]	1819	IF ( dots_num > dots_max ) THEN
[254]	1820	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1821	' its maximum of dots_max = ', dots_max, &
[254]	1822	' &Please increase dots_max in modules.f90.'
	1823	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1824	ENDIF
	1825
[1]	1826	!
	1827	!-- Input binary data file is not needed anymore. This line must be placed
	1828	!-- after call of user_init!
	1829	CALL close_file( 13 )
	1830
	1831	!
	1832	!-- Compute total sum of active mask grid points
	1833	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1834	!-- total domain
	1835	!-- ngp_3d: number of grid points of the total domain
[132]	1836	ngp_2dh_outer_l = 0
	1837	ngp_2dh_outer = 0
	1838	ngp_2dh_s_inner_l = 0
	1839	ngp_2dh_s_inner = 0
	1840	ngp_2dh_l = 0
	1841	ngp_2dh = 0
[1340]	1842	ngp_3d_inner_l = 0.0_wp
[132]	1843	ngp_3d_inner = 0
	1844	ngp_3d = 0
	1845	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1846
	1847	DO sr = 0, statistic_regions
	1848	DO i = nxl, nxr
	1849	DO j = nys, nyn
[1340]	1850	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1851	!
	1852	!-- All xy-grid points
	1853	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1854	!
	1855	!-- xy-grid points above topography
	1856	DO k = nzb_s_outer(j,i), nz + 1
	1857	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1858	ENDDO
[132]	1859	DO k = nzb_s_inner(j,i), nz + 1
	1860	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1861	ENDDO
[1]	1862	!
	1863	!-- All grid points of the total domain above topography
	1864	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1865	( nz - nzb_s_inner(j,i) + 2 )
	1866	ENDIF
	1867	ENDDO
	1868	ENDDO
	1869	ENDDO
	1870
	1871	sr = statistic_regions + 1
	1872	#if defined( __parallel )
[622]	1873	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1874	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1875	comm2d, ierr )
[622]	1876	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1877	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1878	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1879	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1880	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1881	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1882	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1883	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1884	MPI_SUM, comm2d, ierr )
[485]	1885	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1886	#else
[132]	1887	ngp_2dh = ngp_2dh_l
	1888	ngp_2dh_outer = ngp_2dh_outer_l
	1889	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1890	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1891	#endif
	1892
[560]	1893	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1894	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1895
	1896	!
	1897	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1898	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1899	!-- the respective subdomain lie below the surface topography
[667]	1900	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1901	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1902	ngp_3d_inner(:) )
[667]	1903	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1904
[485]	1905	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1906
[1384]	1907	CALL location_message( 'leaving init_3d_model' )
[1]	1908
	1909	END SUBROUTINE init_3d_model

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