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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1357

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

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