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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1359

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

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