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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1350

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

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