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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1340

Last change on this file since 1340 was 1340, checked in by kanani, 10 years ago
REAL constants defined as wp-kind
Property svn:keywords set to `Id`
File size: 63.9 KB

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

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