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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1401

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

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