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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1403

Last change on this file since 1403 was 1403, checked in by raasch, 10 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	!
[1403]	23	!
[1054]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 1403 2014-05-09 14:52:24Z raasch $
	27	!
[1403]	28	! 1402 2014-05-09 14:25:13Z raasch
	29	! location messages modified
	30	!
[1401]	31	! 1400 2014-05-09 14:03:54Z knoop
	32	! Parallel random number generator added
	33	!
[1385]	34	! 1384 2014-05-02 14:31:06Z raasch
	35	! location messages added
	36	!
[1362]	37	! 1361 2014-04-16 15:17:48Z hoffmann
	38	! tend_* removed
	39	! Bugfix: w_subs is not allocated anymore if it is already allocated
	40	!
[1360]	41	! 1359 2014-04-11 17:15:14Z hoffmann
	42	! module lpm_init_mod added to use statements, because lpm_init has become a
	43	! module
	44	!
[1354]	45	! 1353 2014-04-08 15:21:23Z heinze
	46	! REAL constants provided with KIND-attribute
	47	!
[1341]	48	! 1340 2014-03-25 19:45:13Z kanani
	49	! REAL constants defined as wp-kind
	50	!
[1323]	51	! 1322 2014-03-20 16:38:49Z raasch
	52	! REAL constants defined as wp-kind
	53	! module interfaces removed
	54	!
[1321]	55	! 1320 2014-03-20 08:40:49Z raasch
	56	! ONLY-attribute added to USE-statements,
	57	! kind-parameters added to all INTEGER and REAL declaration statements,
	58	! kinds are defined in new module kinds,
	59	! revision history before 2012 removed,
	60	! comment fields (!:) to be used for variable explanations added to
	61	! all variable declaration statements
	62	!
[1317]	63	! 1316 2014-03-17 07:44:59Z heinze
	64	! Bugfix: allocation of w_subs
	65	!
[1300]	66	! 1299 2014-03-06 13:15:21Z heinze
	67	! Allocate w_subs due to extension of large scale subsidence in combination
	68	! with large scale forcing data (LSF_DATA)
	69	!
[1242]	70	! 1241 2013-10-30 11:36:58Z heinze
	71	! Overwrite initial profiles in case of nudging
	72	! Inititialize shf and qsws in case of large_scale_forcing
	73	!
[1222]	74	! 1221 2013-09-10 08:59:13Z raasch
	75	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	76	! copy
	77	!
[1213]	78	! 1212 2013-08-15 08:46:27Z raasch
	79	! array tri is allocated and included in data copy statement
	80	!
[1196]	81	! 1195 2013-07-01 12:27:57Z heinze
	82	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	83	!
[1182]	84	! 1179 2013-06-14 05:57:58Z raasch
	85	! allocate and set ref_state to be used in buoyancy terms
	86	!
[1172]	87	! 1171 2013-05-30 11:27:45Z raasch
	88	! diss array is allocated with full size if accelerator boards are used
	89	!
[1160]	90	! 1159 2013-05-21 11:58:22Z fricke
	91	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	92	!
[1154]	93	! 1153 2013-05-10 14:33:08Z raasch
	94	! diss array is allocated with dummy elements even if it is not needed
[1171]	95	! (required by PGI 13.4 / CUDA 5.0)
[1154]	96	!
[1116]	97	! 1115 2013-03-26 18:16:16Z hoffmann
	98	! unused variables removed
	99	!
[1114]	100	! 1113 2013-03-10 02:48:14Z raasch
	101	! openACC directive modified
	102	!
[1112]	103	! 1111 2013-03-08 23:54:10Z raasch
	104	! openACC directives added for pres
	105	! array diss allocated only if required
	106	!
[1093]	107	! 1092 2013-02-02 11:24:22Z raasch
	108	! unused variables removed
	109	!
[1066]	110	! 1065 2012-11-22 17:42:36Z hoffmann
	111	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	112	!
[1054]	113	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	114	! allocation and initialisation of necessary data arrays for the two-moment
	115	! cloud physics scheme the two new prognostic equations (nr, qr):
	116	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	117	! +tend_*, prr
[979]	118	!
[1037]	119	! 1036 2012-10-22 13:43:42Z raasch
	120	! code put under GPL (PALM 3.9)
	121	!
[1033]	122	! 1032 2012-10-21 13:03:21Z letzel
	123	! save memory by not allocating pt_2 in case of neutral = .T.
	124	!
[1026]	125	! 1025 2012-10-07 16:04:41Z letzel
	126	! bugfix: swap indices of mask for ghost boundaries
	127	!
[1017]	128	! 1015 2012-09-27 09:23:24Z raasch
	129	! mask is set to zero for ghost boundaries
	130	!
[1011]	131	! 1010 2012-09-20 07:59:54Z raasch
	132	! cpp switch __nopointer added for pointer free version
	133	!
[1004]	134	! 1003 2012-09-14 14:35:53Z raasch
	135	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	136	!
[1002]	137	! 1001 2012-09-13 14:08:46Z raasch
	138	! all actions concerning leapfrog scheme removed
	139	!
[997]	140	! 996 2012-09-07 10:41:47Z raasch
	141	! little reformatting
	142	!
[979]	143	! 978 2012-08-09 08:28:32Z fricke
[978]	144	! outflow damping layer removed
	145	! roughness length for scalar quantites z0h added
	146	! damping zone for the potential temperatur in case of non-cyclic lateral
	147	! boundaries added
	148	! initialization of ptdf_x, ptdf_y
	149	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	150	!
[850]	151	! 849 2012-03-15 10:35:09Z raasch
	152	! init_particles renamed lpm_init
	153	!
[826]	154	! 825 2012-02-19 03:03:44Z raasch
	155	! wang_collision_kernel renamed wang_kernel
	156	!
[1]	157	! Revision 1.1 1998/03/09 16:22:22 raasch
	158	! Initial revision
	159	!
	160	!
	161	! Description:
	162	! ------------
	163	! Allocation of arrays and initialization of the 3D model via
	164	! a) pre-run the 1D model
	165	! or
	166	! b) pre-set constant linear profiles
	167	! or
	168	! c) read values of a previous run
	169	!------------------------------------------------------------------------------!
	170
[667]	171	USE advec_ws
[1320]	172
[1]	173	USE arrays_3d
[1320]	174
	175	USE cloud_parameters, &
	176	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	177
	178	USE constants, &
	179	ONLY: pi
	180
[1]	181	USE control_parameters
[1320]	182
	183	USE grid_variables, &
	184	ONLY: dx, dy
	185
[1]	186	USE indices
[1359]	187
	188	USE lpm_init_mod, &
	189	ONLY: lpm_init
[1320]	190
	191	USE kinds
	192
[1241]	193	USE ls_forcing_mod
[1320]	194
	195	USE model_1d, &
	196	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	197
[51]	198	USE netcdf_control
[1320]	199
	200	USE particle_attributes, &
	201	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	202
[1]	203	USE pegrid
[1320]	204
	205	USE random_function_mod
	206
[1400]	207	USE random_generator_parallel, &
	208	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	209	id_random_array, seq_random_array
	210
[1320]	211	USE statistics, &
	212	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	213	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	214	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	215	weight_pres, weight_substep
	216
	217	USE transpose_indices
[1]	218
	219	IMPLICIT NONE
	220
[1320]	221	INTEGER(iwp) :: i !:
	222	INTEGER(iwp) :: ind_array(1) !:
	223	INTEGER(iwp) :: j !:
	224	INTEGER(iwp) :: k !:
	225	INTEGER(iwp) :: sr !:
[1]	226
[1320]	227	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !:
[1]	228
[1320]	229	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !:
	230	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !:
[1]	231
[1320]	232	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !:
	233	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !:
[1]	234
[1320]	235	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !:
	236	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !:
[1]	237
[485]	238
[1402]	239	CALL location_message( 'allocating arrays', .FALSE. )
[1]	240	!
	241	!-- Allocate arrays
	242	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	243	ngp_3d(0:statistic_regions), &
	244	ngp_3d_inner(0:statistic_regions), &
	245	ngp_3d_inner_l(0:statistic_regions), &
[485]	246	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	247	sums_divnew_l(0:statistic_regions), &
	248	sums_divold_l(0:statistic_regions) )
[1195]	249	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	250	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	251	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	252	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	253	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	254	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	255	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	256	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	257	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	258	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	259	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	260	ts_value(dots_max,0:statistic_regions) )
[978]	261	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	262
[1001]	263	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	264	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	265	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	266	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	267	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	268	z0h(nysg:nyng,nxlg:nxrg) )
[1]	269
[1010]	270	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	271	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	272	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	273	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	274	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	275
	276	#if defined( __nopointer )
	277	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	278	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	279	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	280	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	281	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	282	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	283	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	284	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	285	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	286	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	287	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	288	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	289	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	290	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	291	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	292	#else
	293	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	294	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	295	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	296	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	297	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	298	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	299	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	300	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	301	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	302	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	303	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	304	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	305	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	306	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	307	IF ( .NOT. neutral ) THEN
	308	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	309	ENDIF
[1010]	310	#endif
	311
[673]	312	!
[707]	313	!-- Following array is required for perturbation pressure within the iterative
	314	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	315	!-- the weighted average of the substeps and cannot be used in the Poisson
	316	!-- solver.
	317	IF ( psolver == 'sor' ) THEN
	318	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	319	ELSEIF ( psolver == 'multigrid' ) THEN
	320	!
	321	!-- For performance reasons, multigrid is using one ghost layer only
	322	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	323	ENDIF
[1]	324
[1111]	325	!
	326	!-- Array for storing constant coeffficients of the tridiagonal solver
	327	IF ( psolver == 'poisfft' ) THEN
[1212]	328	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	329	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	330	ENDIF
	331
[75]	332	IF ( humidity .OR. passive_scalar ) THEN
[1]	333	!
[75]	334	!-- 2D-humidity/scalar arrays
[1001]	335	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	336	qsws(nysg:nyng,nxlg:nxrg), &
	337	qswst(nysg:nyng,nxlg:nxrg) )
[1]	338
	339	!
[75]	340	!-- 3D-humidity/scalar arrays
[1010]	341	#if defined( __nopointer )
	342	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	343	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	344	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	345	#else
[667]	346	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	347	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	348	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	349	#endif
[1]	350
	351	!
[75]	352	!-- 3D-arrays needed for humidity only
	353	IF ( humidity ) THEN
[1010]	354	#if defined( __nopointer )
	355	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	356	#else
[667]	357	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	358	#endif
[1]	359
	360	IF ( cloud_physics ) THEN
[1053]	361
[1]	362	!
	363	!-- Liquid water content
[1010]	364	#if defined( __nopointer )
	365	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	366	#else
[667]	367	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	368	#endif
[72]	369	!
	370	!-- Precipitation amount and rate (only needed if output is switched)
[667]	371	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	372	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	373
	374	IF ( icloud_scheme == 0 ) THEN
	375	!
[1115]	376	!-- 1D-arrays
	377	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	378	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	379	!
[1115]	380	!-- 3D-cloud water content
[1053]	381	#if defined( __nopointer )
[1115]	382	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	383	#else
[1115]	384	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	385	#endif
[1115]	386
	387	IF ( precipitation ) THEN
[1053]	388	!
[1115]	389	!-- 1D-arrays
	390	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
[1361]	391
[1115]	392	!
	393	!-- 2D-rain water content and rain drop concentration arrays
	394	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	395	qrsws(nysg:nyng,nxlg:nxrg), &
	396	qrswst(nysg:nyng,nxlg:nxrg), &
	397	nrs(nysg:nyng,nxlg:nxrg), &
	398	nrsws(nysg:nyng,nxlg:nxrg), &
	399	nrswst(nysg:nyng,nxlg:nxrg) )
	400	!
	401	!-- 3D-rain water content, rain drop concentration arrays
	402	#if defined( __nopointer )
	403	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	404	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	405	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	406	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	407	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	408	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	409	#else
	410	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	411	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	412	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	413	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	414	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	415	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	416	#endif
	417	!
	418	!-- 3d-precipitation rate
[1053]	419	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	420	ENDIF
	421
	422	ENDIF
[1]	423	ENDIF
	424
	425	IF ( cloud_droplets ) THEN
	426	!
[1010]	427	!-- Liquid water content, change in liquid water content
	428	#if defined( __nopointer )
	429	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	430	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	431	#else
[667]	432	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	433	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	434	#endif
	435	!
	436	!-- Real volume of particles (with weighting), volume of particles
	437	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	438	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	439	ENDIF
	440
	441	ENDIF
	442
	443	ENDIF
	444
[94]	445	IF ( ocean ) THEN
[1001]	446	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	447	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	448	#if defined( __nopointer )
	449	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	450	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	451	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	452	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	453	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	454	#else
[667]	455	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	456	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	457	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	458	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	459	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	460	prho => prho_1
	461	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	462	! density to be apointer
[1010]	463	#endif
[108]	464	IF ( humidity_remote ) THEN
[667]	465	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	466	qswst_remote = 0.0_wp
[108]	467	ENDIF
[94]	468	ENDIF
	469
[1]	470	!
	471	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	472	!-- particle velocities
[1171]	473	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	474	num_acc_per_node > 0 ) THEN
[1153]	475	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	476	ENDIF
	477
[1340]	478	IF ( dt_dosp /= 9999999.9_wp ) THEN
[1]	479	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	480	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[1340]	481	spectrum_x = 0.0_wp
	482	spectrum_y = 0.0_wp
[1]	483	ENDIF
	484
	485	!
[1299]	486	!-- 1D-array for large scale subsidence velocity
[1361]	487	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	488	ALLOCATE ( w_subs(nzb:nzt+1) )
	489	w_subs = 0.0_wp
	490	ENDIF
[1299]	491
	492	!
[1400]	493	!-- ID-array and state-space-array for the parallel random number generator
	494	IF ( random_generator == 'random-parallel' ) THEN
	495	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	496	ALLOCATE ( id_random_array(0:ny,0:nx) )
	497	seq_random_array = 0
	498	id_random_array = 0
	499	ENDIF
	500
	501	!
[138]	502	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	503	IF ( plant_canopy ) THEN
[667]	504	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	505	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	506	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	507	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	508	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	509
	510	IF ( passive_scalar ) THEN
[996]	511	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	512	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	513	ENDIF
	514
[1340]	515	IF ( cthf /= 0.0_wp ) THEN
[996]	516	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	517	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	518	ENDIF
	519
[138]	520	ENDIF
	521
	522	!
[51]	523	!-- 4D-array for storing the Rif-values at vertical walls
	524	IF ( topography /= 'flat' ) THEN
[667]	525	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	526	rif_wall = 0.0_wp
[51]	527	ENDIF
	528
	529	!
[106]	530	!-- Arrays to store velocity data from t-dt and the phase speeds which
	531	!-- are needed for radiation boundary conditions
[73]	532	IF ( outflow_l ) THEN
[667]	533	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	534	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	535	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	536	ENDIF
	537	IF ( outflow_r ) THEN
[667]	538	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	539	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	540	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	541	ENDIF
[106]	542	IF ( outflow_l .OR. outflow_r ) THEN
[667]	543	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	544	c_w(nzb:nzt+1,nysg:nyng) )
[106]	545	ENDIF
[73]	546	IF ( outflow_s ) THEN
[667]	547	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	548	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	549	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	550	ENDIF
	551	IF ( outflow_n ) THEN
[667]	552	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	553	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	554	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	555	ENDIF
[106]	556	IF ( outflow_s .OR. outflow_n ) THEN
[667]	557	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	558	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	559	ENDIF
[996]	560	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	561	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	562	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	563	ENDIF
[73]	564
[978]	565
[1010]	566	#if ! defined( __nopointer )
[73]	567	!
[1]	568	!-- Initial assignment of the pointers
[1001]	569	e => e_1; e_p => e_2; te_m => e_3
[1032]	570	IF ( .NOT. neutral ) THEN
	571	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	572	ELSE
	573	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	574	ENDIF
[1001]	575	u => u_1; u_p => u_2; tu_m => u_3
	576	v => v_1; v_p => v_2; tv_m => v_3
	577	w => w_1; w_p => w_2; tw_m => w_3
[1]	578
[1001]	579	IF ( humidity .OR. passive_scalar ) THEN
	580	q => q_1; q_p => q_2; tq_m => q_3
[1053]	581	IF ( humidity ) THEN
	582	vpt => vpt_1
	583	IF ( cloud_physics ) THEN
	584	ql => ql_1
	585	IF ( icloud_scheme == 0 ) THEN
[1115]	586	qc => qc_1
	587	IF ( precipitation ) THEN
	588	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	589	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	590	ENDIF
[1053]	591	ENDIF
	592	ENDIF
	593	ENDIF
[1001]	594	IF ( cloud_droplets ) THEN
	595	ql => ql_1
	596	ql_c => ql_2
[1]	597	ENDIF
[1001]	598	ENDIF
[1]	599
[1001]	600	IF ( ocean ) THEN
	601	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	602	ENDIF
[1010]	603	#endif
[1]	604
	605	!
[709]	606	!-- Allocate arrays containing the RK coefficient for calculation of
	607	!-- perturbation pressure and turbulent fluxes. At this point values are
	608	!-- set for pressure calculation during initialization (where no timestep
	609	!-- is done). Further below the values needed within the timestep scheme
	610	!-- will be set.
	611	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	612	weight_pres(1:intermediate_timestep_count_max) )
[1340]	613	weight_substep = 1.0_wp
	614	weight_pres = 1.0_wp
[709]	615	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	616
[1402]	617	CALL location_message( 'finished', .TRUE. )
[673]	618	!
[1]	619	!-- Initialize model variables
[147]	620	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	621	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	622	!
	623	!-- First model run of a possible job queue.
	624	!-- Initial profiles of the variables must be computes.
	625	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	626
[1402]	627	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	628	!
	629	!-- Use solutions of the 1D model as initial profiles,
	630	!-- start 1D model
	631	CALL init_1d_model
	632	!
	633	!-- Transfer initial profiles to the arrays of the 3D model
[667]	634	DO i = nxlg, nxrg
	635	DO j = nysg, nyng
[1]	636	e(:,j,i) = e1d
	637	kh(:,j,i) = kh1d
	638	km(:,j,i) = km1d
	639	pt(:,j,i) = pt_init
	640	u(:,j,i) = u1d
	641	v(:,j,i) = v1d
	642	ENDDO
	643	ENDDO
	644
[75]	645	IF ( humidity .OR. passive_scalar ) THEN
[667]	646	DO i = nxlg, nxrg
	647	DO j = nysg, nyng
[1]	648	q(:,j,i) = q_init
	649	ENDDO
	650	ENDDO
[1353]	651	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	652	precipitation ) THEN
[1053]	653	DO i = nxlg, nxrg
	654	DO j = nysg, nyng
[1340]	655	qr(:,j,i) = 0.0_wp
	656	nr(:,j,i) = 0.0_wp
[1053]	657	ENDDO
	658	ENDDO
[1115]	659	!
	660	!-- Initialze nc_1d with default value
	661	nc_1d(:) = nc_const
	662
[1053]	663	ENDIF
[1]	664	ENDIF
	665
	666	IF ( .NOT. constant_diffusion ) THEN
[667]	667	DO i = nxlg, nxrg
	668	DO j = nysg, nyng
[1]	669	e(:,j,i) = e1d
	670	ENDDO
	671	ENDDO
	672	!
	673	!-- Store initial profiles for output purposes etc.
	674	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	675
	676	IF ( prandtl_layer ) THEN
	677	rif = rif1d(nzb+1)
[1340]	678	ts = 0.0_wp ! could actually be computed more accurately in the
	679	! 1D model. Update when opportunity arises.
[1]	680	us = us1d
	681	usws = usws1d
	682	vsws = vsws1d
	683	ELSE
[1340]	684	ts = 0.0_wp ! must be set, because used in
	685	rif = 0.0_wp ! flowste
	686	us = 0.0_wp
	687	usws = 0.0_wp
	688	vsws = 0.0_wp
[1]	689	ENDIF
	690
	691	ELSE
[1340]	692	e = 0.0_wp ! must be set, because used in
	693	rif = 0.0_wp ! flowste
	694	ts = 0.0_wp
	695	us = 0.0_wp
	696	usws = 0.0_wp
	697	vsws = 0.0_wp
[1]	698	ENDIF
[102]	699	uswst = top_momentumflux_u
	700	vswst = top_momentumflux_v
[1]	701
	702	!
	703	!-- In every case qs = 0.0 (see also pt)
	704	!-- This could actually be computed more accurately in the 1D model.
	705	!-- Update when opportunity arises!
[1053]	706	IF ( humidity .OR. passive_scalar ) THEN
[1340]	707	qs = 0.0_wp
[1353]	708	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	709	precipitation ) THEN
[1340]	710	qrs = 0.0_wp
	711	nrs = 0.0_wp
[1053]	712	ENDIF
	713	ENDIF
[1]	714
	715	!
	716	!-- inside buildings set velocities back to zero
	717	IF ( topography /= 'flat' ) THEN
	718	DO i = nxl-1, nxr+1
	719	DO j = nys-1, nyn+1
[1340]	720	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	721	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	722	ENDDO
	723	ENDDO
[667]	724
[1]	725	!
	726	!-- WARNING: The extra boundary conditions set after running the
	727	!-- ------- 1D model impose an error on the divergence one layer
	728	!-- below the topography; need to correct later
	729	!-- ATTENTION: Provisional correction for Piacsek & Williams
	730	!-- --------- advection scheme: keep u and v zero one layer below
	731	!-- the topography.
[667]	732	IF ( ibc_uv_b == 1 ) THEN
	733	!
[1]	734	!-- Neumann condition
	735	DO i = nxl-1, nxr+1
	736	DO j = nys-1, nyn+1
	737	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	738	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	739	ENDDO
	740	ENDDO
	741
	742	ENDIF
	743
	744	ENDIF
	745
[1402]	746	CALL location_message( 'finished', .TRUE. )
[1384]	747
[1]	748	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	749	THEN
[1241]	750
[1402]	751	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	752	!
[1241]	753	!-- Overwrite initial profiles in case of nudging
	754	IF ( nudging ) THEN
	755	pt_init = ptnudge(:,1)
	756	u_init = unudge(:,1)
	757	v_init = vnudge(:,1)
	758	IF ( humidity .OR. passive_scalar ) THEN
	759	q_init = qnudge(:,1)
	760	ENDIF
	761
	762	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	763	'scalars from NUDGING_DATA are used.'
	764	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	765	ENDIF
	766
	767	!
[1]	768	!-- Use constructed initial profiles (velocity constant with height,
	769	!-- temperature profile with constant gradient)
[667]	770	DO i = nxlg, nxrg
	771	DO j = nysg, nyng
[1]	772	pt(:,j,i) = pt_init
	773	u(:,j,i) = u_init
	774	v(:,j,i) = v_init
	775	ENDDO
	776	ENDDO
[75]	777
[1]	778	!
[292]	779	!-- Set initial horizontal velocities at the lowest computational grid
	780	!-- levels to zero in order to avoid too small time steps caused by the
	781	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	782	!-- in the limiting formula!). The original values are stored to be later
	783	!-- used for volume flow control.
[667]	784	DO i = nxlg, nxrg
	785	DO j = nysg, nyng
[1340]	786	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	787	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
[1]	788	ENDDO
	789	ENDDO
	790
[75]	791	IF ( humidity .OR. passive_scalar ) THEN
[667]	792	DO i = nxlg, nxrg
	793	DO j = nysg, nyng
[1]	794	q(:,j,i) = q_init
	795	ENDDO
	796	ENDDO
[1115]	797	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	798	!
	799	!-- Initialze nc_1d with default value
	800	nc_1d(:) = nc_const
	801
	802	IF ( precipitation ) THEN
	803	DO i = nxlg, nxrg
	804	DO j = nysg, nyng
[1340]	805	qr(:,j,i) = 0.0_wp
	806	nr(:,j,i) = 0.0_wp
[1115]	807	ENDDO
[1053]	808	ENDDO
[1115]	809	ENDIF
	810
[1053]	811	ENDIF
[1]	812	ENDIF
	813
[94]	814	IF ( ocean ) THEN
[667]	815	DO i = nxlg, nxrg
	816	DO j = nysg, nyng
[94]	817	sa(:,j,i) = sa_init
	818	ENDDO
	819	ENDDO
	820	ENDIF
[1]	821
	822	IF ( constant_diffusion ) THEN
	823	km = km_constant
	824	kh = km / prandtl_number
[1340]	825	e = 0.0_wp
	826	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	827	DO k = nzb+1, nzt
[1340]	828	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	829	ENDDO
	830	km(nzb,:,:) = km(nzb+1,:,:)
	831	km(nzt+1,:,:) = km(nzt,:,:)
	832	kh = km / prandtl_number
	833	e = e_init
[1]	834	ELSE
[108]	835	IF ( .NOT. ocean ) THEN
[1340]	836	kh = 0.01_wp ! there must exist an initial diffusion, because
	837	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	838	! production terms, as long as not yet
	839	! e = (u/cm)*2 at k=nzb+1
	840	ELSE
[1340]	841	kh = 0.00001_wp
	842	km = 0.00001_wp
[108]	843	ENDIF
[1340]	844	e = 0.0_wp
[1]	845	ENDIF
[1340]	846	rif = 0.0_wp
	847	ts = 0.0_wp
	848	us = 0.0_wp
	849	usws = 0.0_wp
[102]	850	uswst = top_momentumflux_u
[1340]	851	vsws = 0.0_wp
[102]	852	vswst = top_momentumflux_v
[1340]	853	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	854
	855	!
	856	!-- Compute initial temperature field and other constants used in case
	857	!-- of a sloping surface
	858	IF ( sloping_surface ) CALL init_slope
	859
[1402]	860	CALL location_message( 'finished', .TRUE. )
[1384]	861
[46]	862	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	863	THEN
[1384]	864
[1402]	865	CALL location_message( 'initializing by user', .FALSE. )
[46]	866	!
	867	!-- Initialization will completely be done by the user
	868	CALL user_init_3d_model
	869
[1402]	870	CALL location_message( 'finished', .TRUE. )
[1384]	871
[1]	872	ENDIF
[1384]	873
[1402]	874	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	875	.FALSE. )
[1384]	876
[667]	877	!
	878	!-- Bottom boundary
	879	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	880	u(nzb,:,:) = 0.0_wp
	881	v(nzb,:,:) = 0.0_wp
[667]	882	ENDIF
[1]	883
	884	!
[151]	885	!-- Apply channel flow boundary condition
[132]	886	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	887	u(nzt+1,:,:) = 0.0_wp
	888	v(nzt+1,:,:) = 0.0_wp
[132]	889	ENDIF
	890
	891	!
[1]	892	!-- Calculate virtual potential temperature
[1340]	893	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	894
	895	!
	896	!-- Store initial profiles for output purposes etc.
	897	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	898	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	899	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	900	hom(nzb,1,5,:) = 0.0_wp
	901	hom(nzb,1,6,:) = 0.0_wp
[1]	902	ENDIF
	903	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	904	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	905	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	906
[97]	907	IF ( ocean ) THEN
	908	!
	909	!-- Store initial salinity profile
	910	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	911	ENDIF
[1]	912
[75]	913	IF ( humidity ) THEN
[1]	914	!
	915	!-- Store initial profile of total water content, virtual potential
	916	!-- temperature
	917	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	918	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	919	IF ( cloud_physics .OR. cloud_droplets ) THEN
	920	!
	921	!-- Store initial profile of specific humidity and potential
	922	!-- temperature
	923	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	924	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	925	ENDIF
	926	ENDIF
	927
	928	IF ( passive_scalar ) THEN
	929	!
	930	!-- Store initial scalar profile
	931	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	932	ENDIF
	933
	934	!
[1400]	935	!-- Initialize the random number generators (from numerical recipes)
	936	CALL random_function_ini
	937	IF ( random_generator == 'random-parallel' ) THEN
	938	CALL random_function_ini
	939	!- asigning an ID to every vertical gridpoint column
	940	DO j=0,ny
	941	DO i=0,nx
	942	id_random_array(j,i) = 1000000*i + j
	943	END DO
	944	ENDDO
	945	!- executing the initial ran_parallel
	946	DO j = nysg, nyng
	947	DO i = nxlg, nxrg
	948	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	949	CALL random_number_parallel (random_dummy)
	950	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	951	END DO
	952	ENDDO
	953	ENDIF
	954
	955	!
[19]	956	!-- Initialize fluxes at bottom surface
[1]	957	IF ( use_surface_fluxes ) THEN
	958
	959	IF ( constant_heatflux ) THEN
	960	!
	961	!-- Heat flux is prescribed
	962	IF ( random_heatflux ) THEN
	963	CALL disturb_heatflux
	964	ELSE
	965	shf = surface_heatflux
	966	!
[1241]	967	!-- Initialize shf with data from external file LSF_DATA
	968	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	969	CALL ls_forcing_surf ( simulated_time )
	970	ENDIF
	971
	972	!
[1]	973	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	974	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	975	DO i = nxlg, nxrg
	976	DO j = nysg, nyng
[1]	977	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	978	shf(j,i) = wall_heatflux(0)
	979	ENDIF
	980	ENDDO
	981	ENDDO
	982	ENDIF
	983	ENDIF
	984	ENDIF
	985
	986	!
	987	!-- Determine the near-surface water flux
[75]	988	IF ( humidity .OR. passive_scalar ) THEN
[1115]	989	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	990	precipitation ) THEN
[1340]	991	qrsws = 0.0_wp
	992	nrsws = 0.0_wp
[1053]	993	ENDIF
[1]	994	IF ( constant_waterflux ) THEN
	995	qsws = surface_waterflux
[407]	996	!
	997	!-- Over topography surface_waterflux is replaced by
	998	!-- wall_humidityflux(0)
	999	IF ( TRIM( topography ) /= 'flat' ) THEN
	1000	wall_qflux = wall_humidityflux
[667]	1001	DO i = nxlg, nxrg
	1002	DO j = nysg, nyng
[407]	1003	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1004	qsws(j,i) = wall_qflux(0)
	1005	ENDIF
	1006	ENDDO
	1007	ENDDO
	1008	ENDIF
[1]	1009	ENDIF
	1010	ENDIF
	1011
	1012	ENDIF
	1013
	1014	!
[19]	1015	!-- Initialize fluxes at top surface
[94]	1016	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1017	!-- The latent flux is zero in this case!
[19]	1018	IF ( use_top_fluxes ) THEN
	1019
	1020	IF ( constant_top_heatflux ) THEN
	1021	!
	1022	!-- Heat flux is prescribed
	1023	tswst = top_heatflux
	1024
[1053]	1025	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1026	qswst = 0.0_wp
[1115]	1027	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1028	precipitation ) THEN
[1340]	1029	nrswst = 0.0_wp
	1030	qrswst = 0.0_wp
[1053]	1031	ENDIF
	1032	ENDIF
[94]	1033
	1034	IF ( ocean ) THEN
[95]	1035	saswsb = bottom_salinityflux
[94]	1036	saswst = top_salinityflux
	1037	ENDIF
[102]	1038	ENDIF
[19]	1039
[102]	1040	!
	1041	!-- Initialization in case of a coupled model run
	1042	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1043	tswst = 0.0_wp
[102]	1044	ENDIF
	1045
[19]	1046	ENDIF
	1047
	1048	!
[1]	1049	!-- Initialize Prandtl layer quantities
	1050	IF ( prandtl_layer ) THEN
	1051
	1052	z0 = roughness_length
[978]	1053	z0h = z0h_factor * z0
[1]	1054
	1055	IF ( .NOT. constant_heatflux ) THEN
	1056	!
	1057	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1058	!-- simply estimated, because therefore rif, u* and theta* would have
	1059	!-- to be computed by iteration. This is why the heat flux is assumed
	1060	!-- to be zero before the first time step. It approaches its correct
	1061	!-- value in the course of the first few time steps.
[1340]	1062	shf = 0.0_wp
[1]	1063	ENDIF
	1064
[75]	1065	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1066	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1115]	1067	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1068	precipitation ) THEN
[1340]	1069	qrsws = 0.0_wp
	1070	nrsws = 0.0_wp
[1053]	1071	ENDIF
[1]	1072	ENDIF
	1073
	1074	ENDIF
	1075
[1179]	1076	!
	1077	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1078	!-- the reference state will be set (overwritten) in init_ocean)
	1079	IF ( use_single_reference_value ) THEN
	1080	IF ( .NOT. humidity ) THEN
	1081	ref_state(:) = pt_reference
	1082	ELSE
	1083	ref_state(:) = vpt_reference
	1084	ENDIF
	1085	ELSE
	1086	IF ( .NOT. humidity ) THEN
	1087	ref_state(:) = pt_init(:)
	1088	ELSE
	1089	ref_state(:) = vpt(:,nys,nxl)
	1090	ENDIF
	1091	ENDIF
[152]	1092
	1093	!
[707]	1094	!-- For the moment, vertical velocity is zero
[1340]	1095	w = 0.0_wp
[1]	1096
	1097	!
	1098	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1099	sums = 0.0_wp
[1]	1100
	1101	!
[707]	1102	!-- In case of iterative solvers, p must get an initial value
[1340]	1103	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1104
	1105	!
[72]	1106	!-- Treating cloud physics, liquid water content and precipitation amount
	1107	!-- are zero at beginning of the simulation
	1108	IF ( cloud_physics ) THEN
[1340]	1109	ql = 0.0_wp
	1110	IF ( precipitation ) precipitation_amount = 0.0_wp
[1115]	1111	IF ( icloud_scheme == 0 ) THEN
[1340]	1112	qc = 0.0_wp
[1115]	1113	nc_1d = nc_const
	1114	ENDIF
[72]	1115	ENDIF
[673]	1116	!
[1]	1117	!-- Impose vortex with vertical axis on the initial velocity profile
	1118	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1119	CALL init_rankine
	1120	ENDIF
	1121
	1122	!
	1123	!-- Impose temperature anomaly (advection test only)
	1124	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1125	CALL init_pt_anomaly
	1126	ENDIF
	1127
	1128	!
	1129	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1130	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1131	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1132	ENDIF
	1133
	1134	!
	1135	!-- If required, change the surface humidity/scalar at the start of the 3D
	1136	!-- run
[75]	1137	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1138	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1139	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1140	ENDIF
	1141
	1142	!
	1143	!-- Initialize old and new time levels.
[1340]	1144	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]	1145	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1146
[75]	1147	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1148	tq_m = 0.0_wp
[1]	1149	q_p = q
[1115]	1150	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1151	precipitation ) THEN
[1340]	1152	tqr_m = 0.0_wp
[1053]	1153	qr_p = qr
[1340]	1154	tnr_m = 0.0_wp
[1053]	1155	nr_p = nr
	1156	ENDIF
[1]	1157	ENDIF
	1158
[94]	1159	IF ( ocean ) THEN
[1340]	1160	tsa_m = 0.0_wp
[94]	1161	sa_p = sa
	1162	ENDIF
[667]	1163
[1402]	1164	CALL location_message( 'finished', .TRUE. )
[94]	1165
[147]	1166	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1167	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1168	THEN
[1384]	1169
[1402]	1170	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1171	.FALSE. )
[1]	1172	!
[767]	1173	!-- When reading data for cyclic fill of 3D prerun data files, read
	1174	!-- some of the global variables from the restart file which are required
	1175	!-- for initializing the inflow
[328]	1176	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1177
[759]	1178	DO i = 0, io_blocks-1
	1179	IF ( i == io_group ) THEN
	1180	CALL read_parts_of_var_list
	1181	CALL close_file( 13 )
	1182	ENDIF
	1183	#if defined( __parallel )
	1184	CALL MPI_BARRIER( comm2d, ierr )
	1185	#endif
	1186	ENDDO
[328]	1187
[767]	1188	ENDIF
	1189
[151]	1190	!
[767]	1191	!-- Read binary data from restart file
	1192	DO i = 0, io_blocks-1
	1193	IF ( i == io_group ) THEN
	1194	CALL read_3d_binary
	1195	ENDIF
	1196	#if defined( __parallel )
	1197	CALL MPI_BARRIER( comm2d, ierr )
	1198	#endif
	1199	ENDDO
	1200
[328]	1201	!
[767]	1202	!-- Initialization of the turbulence recycling method
	1203	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1204	turbulent_inflow ) THEN
	1205	!
	1206	!-- First store the profiles to be used at the inflow.
	1207	!-- These profiles are the (temporally) and horizontally averaged vertical
	1208	!-- profiles from the prerun. Alternatively, prescribed profiles
	1209	!-- for u,v-components can be used.
	1210	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1211
[767]	1212	IF ( use_prescribed_profile_data ) THEN
	1213	mean_inflow_profiles(:,1) = u_init ! u
	1214	mean_inflow_profiles(:,2) = v_init ! v
	1215	ELSE
[328]	1216	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1217	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1218	ENDIF
	1219	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1220	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1221
	1222	!
[767]	1223	!-- If necessary, adjust the horizontal flow field to the prescribed
	1224	!-- profiles
	1225	IF ( use_prescribed_profile_data ) THEN
	1226	DO i = nxlg, nxrg
[667]	1227	DO j = nysg, nyng
[328]	1228	DO k = nzb, nzt+1
[767]	1229	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1230	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1231	ENDDO
[151]	1232	ENDDO
[767]	1233	ENDDO
	1234	ENDIF
[151]	1235
	1236	!
[767]	1237	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1238	!-- conditions are used)
	1239	IF ( inflow_l ) THEN
	1240	DO j = nysg, nyng
	1241	DO k = nzb, nzt+1
	1242	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1243	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1244	w(k,j,nxlg:-1) = 0.0_wp
[767]	1245	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1246	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1247	ENDDO
	1248	ENDDO
	1249	ENDIF
	1250
[151]	1251	!
[767]	1252	!-- Calculate the damping factors to be used at the inflow. For a
	1253	!-- turbulent inflow the turbulent fluctuations have to be limited
	1254	!-- vertically because otherwise the turbulent inflow layer will grow
	1255	!-- in time.
[1340]	1256	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1257	!
	1258	!-- Default: use the inversion height calculated by the prerun; if
	1259	!-- this is zero, inflow_damping_height must be explicitly
	1260	!-- specified.
[1340]	1261	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1262	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1263	ELSE
	1264	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1265	'explicitly specified because&the inversion height ', &
	1266	'calculated by the prerun is zero.'
	1267	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1268	ENDIF
[151]	1269
[767]	1270	ENDIF
	1271
[1340]	1272	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1273	!
[767]	1274	!-- Default for the transition range: one tenth of the undamped
	1275	!-- layer
[1340]	1276	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1277
[767]	1278	ENDIF
[151]	1279
[767]	1280	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1281
[767]	1282	DO k = nzb, nzt+1
[151]	1283
[767]	1284	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1285	inflow_damping_factor(k) = 1.0_wp
[996]	1286	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1287	inflow_damping_factor(k) = 1.0_wp - &
[996]	1288	( zu(k) - inflow_damping_height ) / &
	1289	inflow_damping_width
[767]	1290	ELSE
[1340]	1291	inflow_damping_factor(k) = 0.0_wp
[767]	1292	ENDIF
[151]	1293
[767]	1294	ENDDO
[151]	1295
[147]	1296	ENDIF
	1297
[152]	1298	!
[359]	1299	!-- Inside buildings set velocities and TKE back to zero
	1300	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1301	topography /= 'flat' ) THEN
	1302	!
	1303	!-- Inside buildings set velocities and TKE back to zero.
	1304	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1305	!-- maybe revise later.
[1001]	1306	DO i = nxlg, nxrg
	1307	DO j = nysg, nyng
[1340]	1308	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1309	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1310	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1311	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1312	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1313	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1314	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1315	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1316	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1317	ENDDO
[1001]	1318	ENDDO
[359]	1319
	1320	ENDIF
	1321
	1322	!
[1]	1323	!-- Calculate initial temperature field and other constants used in case
	1324	!-- of a sloping surface
	1325	IF ( sloping_surface ) CALL init_slope
	1326
	1327	!
	1328	!-- Initialize new time levels (only done in order to set boundary values
	1329	!-- including ghost points)
	1330	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1331	IF ( humidity .OR. passive_scalar ) THEN
	1332	q_p = q
[1115]	1333	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1334	precipitation ) THEN
[1053]	1335	qr_p = qr
	1336	nr_p = nr
	1337	ENDIF
	1338	ENDIF
[94]	1339	IF ( ocean ) sa_p = sa
[1]	1340
[181]	1341	!
	1342	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1343	!-- have to be predefined here because they are used (but multiplied with 0)
	1344	!-- there before they are set.
[1340]	1345	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]	1346	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1347	tq_m = 0.0_wp
[1115]	1348	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1349	precipitation ) THEN
[1340]	1350	tqr_m = 0.0_wp
	1351	tnr_m = 0.0_wp
[1053]	1352	ENDIF
	1353	ENDIF
[1340]	1354	IF ( ocean ) tsa_m = 0.0_wp
[181]	1355
[1402]	1356	CALL location_message( 'finished', .TRUE. )
[1384]	1357
[1]	1358	ELSE
	1359	!
	1360	!-- Actually this part of the programm should not be reached
[254]	1361	message_string = 'unknown initializing problem'
	1362	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1363	ENDIF
	1364
[151]	1365
	1366	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1367	!
[151]	1368	!-- Initialize old timelevels needed for radiation boundary conditions
	1369	IF ( outflow_l ) THEN
	1370	u_m_l(:,:,:) = u(:,:,1:2)
	1371	v_m_l(:,:,:) = v(:,:,0:1)
	1372	w_m_l(:,:,:) = w(:,:,0:1)
	1373	ENDIF
	1374	IF ( outflow_r ) THEN
	1375	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1376	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1377	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1378	ENDIF
	1379	IF ( outflow_s ) THEN
	1380	u_m_s(:,:,:) = u(:,0:1,:)
	1381	v_m_s(:,:,:) = v(:,1:2,:)
	1382	w_m_s(:,:,:) = w(:,0:1,:)
	1383	ENDIF
	1384	IF ( outflow_n ) THEN
	1385	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1386	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1387	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1388	ENDIF
[667]	1389
[151]	1390	ENDIF
[680]	1391
[667]	1392	!
	1393	!-- Calculate the initial volume flow at the right and north boundary
[709]	1394	IF ( conserve_volume_flow ) THEN
[151]	1395
[767]	1396	IF ( use_prescribed_profile_data ) THEN
[667]	1397
[1340]	1398	volume_flow_initial_l = 0.0_wp
	1399	volume_flow_area_l = 0.0_wp
[732]	1400
[667]	1401	IF ( nxr == nx ) THEN
	1402	DO j = nys, nyn
[709]	1403	DO k = nzb_2d(j,nx)+1, nzt
[667]	1404	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1405	u_init(k) * dzw(k)
	1406	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1407	ENDDO
	1408	ENDDO
	1409	ENDIF
	1410
	1411	IF ( nyn == ny ) THEN
	1412	DO i = nxl, nxr
	1413	DO k = nzb_2d(ny,i)+1, nzt
	1414	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1415	v_init(k) * dzw(k)
	1416	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1417	ENDDO
	1418	ENDDO
	1419	ENDIF
	1420
	1421	#if defined( __parallel )
	1422	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1423	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1424	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1425	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1426
	1427	#else
	1428	volume_flow_initial = volume_flow_initial_l
	1429	volume_flow_area = volume_flow_area_l
	1430	#endif
	1431
	1432	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1433
[1340]	1434	volume_flow_initial_l = 0.0_wp
	1435	volume_flow_area_l = 0.0_wp
[767]	1436
	1437	IF ( nxr == nx ) THEN
	1438	DO j = nys, nyn
	1439	DO k = nzb_2d(j,nx)+1, nzt
	1440	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1441	hom_sum(k,1,0) * dzw(k)
	1442	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1443	ENDDO
	1444	ENDDO
	1445	ENDIF
	1446
	1447	IF ( nyn == ny ) THEN
	1448	DO i = nxl, nxr
[709]	1449	DO k = nzb_2d(ny,i)+1, nzt
[667]	1450	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1451	hom_sum(k,2,0) * dzw(k)
[667]	1452	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1453	ENDDO
	1454	ENDDO
	1455	ENDIF
	1456
[732]	1457	#if defined( __parallel )
	1458	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1459	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1460	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1461	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1462
	1463	#else
	1464	volume_flow_initial = volume_flow_initial_l
	1465	volume_flow_area = volume_flow_area_l
	1466	#endif
	1467
[667]	1468	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1469
[1340]	1470	volume_flow_initial_l = 0.0_wp
	1471	volume_flow_area_l = 0.0_wp
[732]	1472
[667]	1473	IF ( nxr == nx ) THEN
	1474	DO j = nys, nyn
[709]	1475	DO k = nzb_2d(j,nx)+1, nzt
[667]	1476	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1477	u(k,j,nx) * dzw(k)
[667]	1478	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1479	ENDDO
	1480	ENDDO
	1481	ENDIF
	1482
	1483	IF ( nyn == ny ) THEN
	1484	DO i = nxl, nxr
[709]	1485	DO k = nzb_2d(ny,i)+1, nzt
[667]	1486	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1487	v(k,ny,i) * dzw(k)
	1488	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1489	ENDDO
	1490	ENDDO
	1491	ENDIF
	1492
	1493	#if defined( __parallel )
[732]	1494	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1495	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1496	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1497	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1498
	1499	#else
[732]	1500	volume_flow_initial = volume_flow_initial_l
	1501	volume_flow_area = volume_flow_area_l
[667]	1502	#endif
	1503
[732]	1504	ENDIF
	1505
[151]	1506	!
[709]	1507	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1508	!-- from u\|v_bulk instead
[680]	1509	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1510	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1511	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1512	ENDIF
[667]	1513
[680]	1514	ENDIF
	1515
[787]	1516	!
	1517	!-- Initialize quantities for special advections schemes
	1518	CALL init_advec
[680]	1519
[667]	1520	!
[680]	1521	!-- Impose random perturbation on the horizontal velocity field and then
	1522	!-- remove the divergences from the velocity field at the initial stage
	1523	IF ( create_disturbances .AND. &
	1524	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1525	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1526
[1402]	1527	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1528	CALL disturb_field( nzb_u_inner, tend, u )
	1529	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1530	CALL location_message( 'finished', .TRUE. )
[1384]	1531
[1402]	1532	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1533	n_sor = nsor_ini
[1221]	1534	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1535	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1536	!$acc copyin( weight_pres, weight_substep ) &
	1537	!$acc copy( tri, tric, u, v, w )
[680]	1538	CALL pres
[1111]	1539	!$acc end data
[680]	1540	n_sor = nsor
[1402]	1541	CALL location_message( 'finished', .TRUE. )
[1384]	1542
[680]	1543	ENDIF
	1544
	1545	!
[138]	1546	!-- Initialization of the leaf area density
[709]	1547	IF ( plant_canopy ) THEN
[138]	1548
	1549	SELECT CASE ( TRIM( canopy_mode ) )
	1550
	1551	CASE( 'block' )
	1552
[667]	1553	DO i = nxlg, nxrg
	1554	DO j = nysg, nyng
[138]	1555	lad_s(:,j,i) = lad(:)
	1556	cdc(:,j,i) = drag_coefficient
[709]	1557	IF ( passive_scalar ) THEN
[153]	1558	sls(:,j,i) = leaf_surface_concentration
	1559	sec(:,j,i) = scalar_exchange_coefficient
	1560	ENDIF
[138]	1561	ENDDO
	1562	ENDDO
	1563
	1564	CASE DEFAULT
	1565
	1566	!
	1567	!-- The DEFAULT case is reached either if the parameter
	1568	!-- canopy mode contains a wrong character string or if the
	1569	!-- user has coded a special case in the user interface.
	1570	!-- There, the subroutine user_init_plant_canopy checks
	1571	!-- which of these two conditions applies.
	1572	CALL user_init_plant_canopy
	1573
	1574	END SELECT
	1575
[667]	1576	CALL exchange_horiz( lad_s, nbgp )
	1577	CALL exchange_horiz( cdc, nbgp )
[138]	1578
[709]	1579	IF ( passive_scalar ) THEN
[667]	1580	CALL exchange_horiz( sls, nbgp )
	1581	CALL exchange_horiz( sec, nbgp )
[153]	1582	ENDIF
	1583
	1584	!
	1585	!-- Sharp boundaries of the plant canopy in horizontal directions
	1586	!-- In vertical direction the interpolation is retained, as the leaf
	1587	!-- area density is initialised by prescribing a vertical profile
	1588	!-- consisting of piecewise linear segments. The upper boundary
	1589	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1590
[138]	1591	DO i = nxl, nxr
	1592	DO j = nys, nyn
	1593	DO k = nzb, nzt+1
[1340]	1594	IF ( lad_s(k,j,i) > 0.0_wp ) THEN
[153]	1595	lad_u(k,j,i) = lad_s(k,j,i)
	1596	lad_u(k,j,i+1) = lad_s(k,j,i)
	1597	lad_v(k,j,i) = lad_s(k,j,i)
	1598	lad_v(k,j+1,i) = lad_s(k,j,i)
	1599	ENDIF
[138]	1600	ENDDO
	1601	DO k = nzb, nzt
[1340]	1602	lad_w(k,j,i) = 0.5_wp * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
[138]	1603	ENDDO
	1604	ENDDO
	1605	ENDDO
	1606
[1340]	1607	lad_w(pch_index,:,:) = 0.0_wp
[153]	1608	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1609
[667]	1610	CALL exchange_horiz( lad_u, nbgp )
	1611	CALL exchange_horiz( lad_v, nbgp )
	1612	CALL exchange_horiz( lad_w, nbgp )
[153]	1613
	1614	!
	1615	!-- Initialisation of the canopy heat source distribution
[1340]	1616	IF ( cthf /= 0.0_wp ) THEN
[153]	1617	!
	1618	!-- Piecewise evaluation of the leaf area index by
	1619	!-- integration of the leaf area density
[1340]	1620	lai(:,:,:) = 0.0_wp
[667]	1621	DO i = nxlg, nxrg
	1622	DO j = nysg, nyng
[153]	1623	DO k = pch_index-1, 0, -1
	1624	lai(k,j,i) = lai(k+1,j,i) + &
[1340]	1625	( 0.5_wp * ( lad_w(k+1,j,i) + &
[153]	1626	lad_s(k+1,j,i) ) * &
	1627	( zw(k+1) - zu(k+1) ) ) + &
[1340]	1628	( 0.5_wp * ( lad_w(k,j,i) + &
[153]	1629	lad_s(k+1,j,i) ) * &
	1630	( zu(k+1) - zw(k) ) )
	1631	ENDDO
	1632	ENDDO
	1633	ENDDO
	1634
	1635	!
	1636	!-- Evaluation of the upward kinematic vertical heat flux within the
	1637	!-- canopy
[667]	1638	DO i = nxlg, nxrg
	1639	DO j = nysg, nyng
[153]	1640	DO k = 0, pch_index
	1641	canopy_heat_flux(k,j,i) = cthf * &
[1340]	1642	exp( -0.6_wp * lai(k,j,i) )
[153]	1643	ENDDO
	1644	ENDDO
	1645	ENDDO
	1646
	1647	!
	1648	!-- The near surface heat flux is derived from the heat flux
	1649	!-- distribution within the canopy
	1650	shf(:,:) = canopy_heat_flux(0,:,:)
	1651
	1652	ENDIF
	1653
[138]	1654	ENDIF
	1655
	1656	!
[1]	1657	!-- If required, initialize dvrp-software
[1340]	1658	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1659
[96]	1660	IF ( ocean ) THEN
[1]	1661	!
[96]	1662	!-- Initialize quantities needed for the ocean model
	1663	CALL init_ocean
[388]	1664
[96]	1665	ELSE
	1666	!
	1667	!-- Initialize quantities for handling cloud physics
[849]	1668	!-- This routine must be called before lpm_init, because
[96]	1669	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1670	!-- lpm_init) is not defined.
[96]	1671	CALL init_cloud_physics
	1672	ENDIF
[1]	1673
	1674	!
	1675	!-- If required, initialize particles
[849]	1676	IF ( particle_advection ) CALL lpm_init
[1]	1677
	1678	!
[673]	1679	!-- Initialize the ws-scheme.
	1680	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1681
	1682	!
[709]	1683	!-- Setting weighting factors for calculation of perturbation pressure
	1684	!-- and turbulent quantities from the RK substeps
	1685	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1686
[1322]	1687	weight_substep(1) = 1._wp/6._wp
	1688	weight_substep(2) = 3._wp/10._wp
	1689	weight_substep(3) = 8._wp/15._wp
[709]	1690
[1322]	1691	weight_pres(1) = 1._wp/3._wp
	1692	weight_pres(2) = 5._wp/12._wp
	1693	weight_pres(3) = 1._wp/4._wp
[709]	1694
	1695	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1696
[1322]	1697	weight_substep(1) = 1._wp/2._wp
	1698	weight_substep(2) = 1._wp/2._wp
[673]	1699
[1322]	1700	weight_pres(1) = 1._wp/2._wp
	1701	weight_pres(2) = 1._wp/2._wp
[709]	1702
[1001]	1703	ELSE ! for Euler-method
[709]	1704
[1340]	1705	weight_substep(1) = 1.0_wp
	1706	weight_pres(1) = 1.0_wp
[709]	1707
[673]	1708	ENDIF
	1709
	1710	!
[1]	1711	!-- Initialize Rayleigh damping factors
[1340]	1712	rdf = 0.0_wp
	1713	rdf_sc = 0.0_wp
	1714	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[108]	1715	IF ( .NOT. ocean ) THEN
	1716	DO k = nzb+1, nzt
	1717	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1718	rdf(k) = rayleigh_damping_factor * &
[1340]	1719	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
	1720	/ ( zu(nzt) - rayleigh_damping_height ) )&
[1]	1721	)**2
[108]	1722	ENDIF
	1723	ENDDO
	1724	ELSE
	1725	DO k = nzt, nzb+1, -1
	1726	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1727	rdf(k) = rayleigh_damping_factor * &
[1340]	1728	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
	1729	/ ( rayleigh_damping_height - zu(nzb+1)))&
[108]	1730	)**2
	1731	ENDIF
	1732	ENDDO
	1733	ENDIF
[1]	1734	ENDIF
[785]	1735	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1736
	1737	!
[240]	1738	!-- Initialize the starting level and the vertical smoothing factor used for
	1739	!-- the external pressure gradient
[1340]	1740	dp_smooth_factor = 1.0_wp
[240]	1741	IF ( dp_external ) THEN
	1742	!
	1743	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1744	!-- (e.g. in init_grid).
	1745	IF ( dp_level_ind_b == 0 ) THEN
	1746	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1747	dp_level_ind_b = ind_array(1) - 1 + nzb
	1748	! MINLOC uses lower array bound 1
	1749	ENDIF
	1750	IF ( dp_smooth ) THEN
[1340]	1751	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1752	DO k = dp_level_ind_b+1, nzt
[1340]	1753	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1754	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1755	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1756	ENDDO
	1757	ENDIF
	1758	ENDIF
	1759
	1760	!
[978]	1761	!-- Initialize damping zone for the potential temperature in case of
	1762	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1763	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1764	ptdf_x = 0.0_wp
	1765	ptdf_y = 0.0_wp
[1159]	1766	IF ( bc_lr_dirrad ) THEN
[996]	1767	DO i = nxl, nxr
[978]	1768	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1769	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1770	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
	1771	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1772	ENDIF
	1773	ENDDO
[1159]	1774	ELSEIF ( bc_lr_raddir ) THEN
[996]	1775	DO i = nxl, nxr
[978]	1776	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1777	ptdf_x(i) = pt_damping_factor * &
[1340]	1778	SIN( pi * 0.5_wp * &
	1779	( ( i - nx ) * dx + pt_damping_width ) / &
	1780	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1781	ENDIF
[978]	1782	ENDDO
[1159]	1783	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1784	DO j = nys, nyn
[978]	1785	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1786	ptdf_y(j) = pt_damping_factor * &
[1340]	1787	SIN( pi * 0.5_wp * &
	1788	( ( j - ny ) * dy + pt_damping_width ) / &
	1789	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1790	ENDIF
[978]	1791	ENDDO
[1159]	1792	ELSEIF ( bc_ns_raddir ) THEN
[996]	1793	DO j = nys, nyn
[978]	1794	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1795	ptdf_y(j) = pt_damping_factor * &
[1340]	1796	SIN( pi * 0.5_wp * &
	1797	( pt_damping_width - j * dy ) / &
	1798	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1799	ENDIF
[73]	1800	ENDDO
[1]	1801	ENDIF
	1802
	1803	!
[709]	1804	!-- Initialize local summation arrays for routine flow_statistics.
	1805	!-- This is necessary because they may not yet have been initialized when they
	1806	!-- are called from flow_statistics (or - depending on the chosen model run -
	1807	!-- are never initialized)
[1340]	1808	sums_divnew_l = 0.0_wp
	1809	sums_divold_l = 0.0_wp
	1810	sums_l_l = 0.0_wp
	1811	sums_up_fraction_l = 0.0_wp
	1812	sums_wsts_bc_l = 0.0_wp
[1]	1813
	1814	!
	1815	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1816	!-- Ghost points are excluded because counting values at the ghost boundaries
	1817	!-- would bias the statistics
[1340]	1818	rmask = 1.0_wp
	1819	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1820	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1821
	1822	!
[51]	1823	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1824	!-- of allowed timeseries is exceeded
[1]	1825	CALL user_init
	1826
[51]	1827	IF ( dots_num > dots_max ) THEN
[254]	1828	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1829	' its maximum of dots_max = ', dots_max, &
[254]	1830	' &Please increase dots_max in modules.f90.'
	1831	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1832	ENDIF
	1833
[1]	1834	!
	1835	!-- Input binary data file is not needed anymore. This line must be placed
	1836	!-- after call of user_init!
	1837	CALL close_file( 13 )
	1838
	1839	!
	1840	!-- Compute total sum of active mask grid points
	1841	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1842	!-- total domain
	1843	!-- ngp_3d: number of grid points of the total domain
[132]	1844	ngp_2dh_outer_l = 0
	1845	ngp_2dh_outer = 0
	1846	ngp_2dh_s_inner_l = 0
	1847	ngp_2dh_s_inner = 0
	1848	ngp_2dh_l = 0
	1849	ngp_2dh = 0
[1340]	1850	ngp_3d_inner_l = 0.0_wp
[132]	1851	ngp_3d_inner = 0
	1852	ngp_3d = 0
	1853	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1854
	1855	DO sr = 0, statistic_regions
	1856	DO i = nxl, nxr
	1857	DO j = nys, nyn
[1340]	1858	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1859	!
	1860	!-- All xy-grid points
	1861	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1862	!
	1863	!-- xy-grid points above topography
	1864	DO k = nzb_s_outer(j,i), nz + 1
	1865	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1866	ENDDO
[132]	1867	DO k = nzb_s_inner(j,i), nz + 1
	1868	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1869	ENDDO
[1]	1870	!
	1871	!-- All grid points of the total domain above topography
	1872	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1873	( nz - nzb_s_inner(j,i) + 2 )
	1874	ENDIF
	1875	ENDDO
	1876	ENDDO
	1877	ENDDO
	1878
	1879	sr = statistic_regions + 1
	1880	#if defined( __parallel )
[622]	1881	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1882	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1883	comm2d, ierr )
[622]	1884	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1885	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1886	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1887	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1888	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1889	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1890	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1891	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1892	MPI_SUM, comm2d, ierr )
[485]	1893	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1894	#else
[132]	1895	ngp_2dh = ngp_2dh_l
	1896	ngp_2dh_outer = ngp_2dh_outer_l
	1897	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1898	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1899	#endif
	1900
[560]	1901	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1902	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1903
	1904	!
	1905	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1906	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1907	!-- the respective subdomain lie below the surface topography
[667]	1908	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1909	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1910	ngp_3d_inner(:) )
[667]	1911	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1912
[485]	1913	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1914
[1402]	1915	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	1916
	1917	END SUBROUTINE init_3d_model

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