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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1391

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

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