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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1320

Last change on this file since 1320 was 1320, checked in by raasch, 10 years ago
ONLY-attribute added to USE-statements, kind-parameters added to all INTEGER and REAL declaration statements, kinds are defined in new module kinds, old module precision_kind is removed, revision history before 2012 removed, comment fields (!:) to be used for variable explanations added to all variable declaration statements
Property svn:keywords set to `Id`
File size: 63.0 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	! ------------------
[1320]	22	! ONLY-attribute added to USE-statements,
	23	! kind-parameters added to all INTEGER and REAL declaration statements,
	24	! kinds are defined in new module kinds,
	25	! old module precision_kind is removed,
	26	! revision history before 2012 removed,
	27	! comment fields (!:) to be used for variable explanations added to
	28	! all variable declaration statements
[1054]	29	!
[1320]	30	! module interfaces removed
[1319]	31	!
[1054]	32	! Former revisions:
	33	! -----------------
	34	! $Id: init_3d_model.f90 1320 2014-03-20 08:40:49Z raasch $
	35	!
[1317]	36	! 1316 2014-03-17 07:44:59Z heinze
	37	! Bugfix: allocation of w_subs
	38	!
[1300]	39	! 1299 2014-03-06 13:15:21Z heinze
	40	! Allocate w_subs due to extension of large scale subsidence in combination
	41	! with large scale forcing data (LSF_DATA)
	42	!
[1242]	43	! 1241 2013-10-30 11:36:58Z heinze
	44	! Overwrite initial profiles in case of nudging
	45	! Inititialize shf and qsws in case of large_scale_forcing
	46	!
[1222]	47	! 1221 2013-09-10 08:59:13Z raasch
	48	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	49	! copy
	50	!
[1213]	51	! 1212 2013-08-15 08:46:27Z raasch
	52	! array tri is allocated and included in data copy statement
	53	!
[1196]	54	! 1195 2013-07-01 12:27:57Z heinze
	55	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	56	!
[1182]	57	! 1179 2013-06-14 05:57:58Z raasch
	58	! allocate and set ref_state to be used in buoyancy terms
	59	!
[1172]	60	! 1171 2013-05-30 11:27:45Z raasch
	61	! diss array is allocated with full size if accelerator boards are used
	62	!
[1160]	63	! 1159 2013-05-21 11:58:22Z fricke
	64	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	65	!
[1154]	66	! 1153 2013-05-10 14:33:08Z raasch
	67	! diss array is allocated with dummy elements even if it is not needed
[1171]	68	! (required by PGI 13.4 / CUDA 5.0)
[1154]	69	!
[1116]	70	! 1115 2013-03-26 18:16:16Z hoffmann
	71	! unused variables removed
	72	!
[1114]	73	! 1113 2013-03-10 02:48:14Z raasch
	74	! openACC directive modified
	75	!
[1112]	76	! 1111 2013-03-08 23:54:10Z raasch
	77	! openACC directives added for pres
	78	! array diss allocated only if required
	79	!
[1093]	80	! 1092 2013-02-02 11:24:22Z raasch
	81	! unused variables removed
	82	!
[1066]	83	! 1065 2012-11-22 17:42:36Z hoffmann
	84	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	85	!
[1054]	86	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	87	! allocation and initialisation of necessary data arrays for the two-moment
	88	! cloud physics scheme the two new prognostic equations (nr, qr):
	89	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	90	! +tend_*, prr
[979]	91	!
[1037]	92	! 1036 2012-10-22 13:43:42Z raasch
	93	! code put under GPL (PALM 3.9)
	94	!
[1033]	95	! 1032 2012-10-21 13:03:21Z letzel
	96	! save memory by not allocating pt_2 in case of neutral = .T.
	97	!
[1026]	98	! 1025 2012-10-07 16:04:41Z letzel
	99	! bugfix: swap indices of mask for ghost boundaries
	100	!
[1017]	101	! 1015 2012-09-27 09:23:24Z raasch
	102	! mask is set to zero for ghost boundaries
	103	!
[1011]	104	! 1010 2012-09-20 07:59:54Z raasch
	105	! cpp switch __nopointer added for pointer free version
	106	!
[1004]	107	! 1003 2012-09-14 14:35:53Z raasch
	108	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	109	!
[1002]	110	! 1001 2012-09-13 14:08:46Z raasch
	111	! all actions concerning leapfrog scheme removed
	112	!
[997]	113	! 996 2012-09-07 10:41:47Z raasch
	114	! little reformatting
	115	!
[979]	116	! 978 2012-08-09 08:28:32Z fricke
[978]	117	! outflow damping layer removed
	118	! roughness length for scalar quantites z0h added
	119	! damping zone for the potential temperatur in case of non-cyclic lateral
	120	! boundaries added
	121	! initialization of ptdf_x, ptdf_y
	122	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	123	!
[850]	124	! 849 2012-03-15 10:35:09Z raasch
	125	! init_particles renamed lpm_init
	126	!
[826]	127	! 825 2012-02-19 03:03:44Z raasch
	128	! wang_collision_kernel renamed wang_kernel
	129	!
[1]	130	! Revision 1.1 1998/03/09 16:22:22 raasch
	131	! Initial revision
	132	!
	133	!
	134	! Description:
	135	! ------------
	136	! Allocation of arrays and initialization of the 3D model via
	137	! a) pre-run the 1D model
	138	! or
	139	! b) pre-set constant linear profiles
	140	! or
	141	! c) read values of a previous run
	142	!------------------------------------------------------------------------------!
	143
[667]	144	USE advec_ws
[1320]	145
[1]	146	USE arrays_3d
[1320]	147
	148	USE cloud_parameters, &
	149	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	150
	151	USE constants, &
	152	ONLY: pi
	153
[1]	154	USE control_parameters
[1320]	155
	156	USE grid_variables, &
	157	ONLY: dx, dy
	158
[1]	159	USE indices
[1320]	160
	161	USE kinds
	162
[1241]	163	USE ls_forcing_mod
[1320]	164
	165	USE model_1d, &
	166	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	167
[51]	168	USE netcdf_control
[1320]	169
	170	USE particle_attributes, &
	171	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	172
[1]	173	USE pegrid
[1320]	174
	175	USE random_function_mod
	176
	177	USE statistics, &
	178	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	179	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	180	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	181	weight_pres, weight_substep
	182
	183	USE transpose_indices
[1]	184
	185	IMPLICIT NONE
	186
[1320]	187	INTEGER(iwp) :: i !:
	188	INTEGER(iwp) :: ind_array(1) !:
	189	INTEGER(iwp) :: j !:
	190	INTEGER(iwp) :: k !:
	191	INTEGER(iwp) :: sr !:
[1]	192
[1320]	193	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !:
[1]	194
[1320]	195	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !:
	196	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !:
[1]	197
[1320]	198	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !:
	199	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !:
[1]	200
[1320]	201	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !:
	202	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !:
[1]	203
[485]	204
[1]	205	!
	206	!-- Allocate arrays
	207	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	208	ngp_3d(0:statistic_regions), &
	209	ngp_3d_inner(0:statistic_regions), &
	210	ngp_3d_inner_l(0:statistic_regions), &
[485]	211	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	212	sums_divnew_l(0:statistic_regions), &
	213	sums_divold_l(0:statistic_regions) )
[1195]	214	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	215	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	216	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	217	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	218	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	219	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	220	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	221	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	222	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	223	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	224	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	225	ts_value(dots_max,0:statistic_regions) )
[978]	226	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	227
[1001]	228	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	229	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	230	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	231	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	232	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	233	z0h(nysg:nyng,nxlg:nxrg) )
[1]	234
[1010]	235	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	236	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	237	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	238	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	239	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	240
	241	#if defined( __nopointer )
	242	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	243	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	244	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	245	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	246	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	247	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	248	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	249	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	250	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	251	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	252	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	253	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	254	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	255	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	256	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	257	#else
	258	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	259	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	260	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	261	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	262	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	263	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	264	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	265	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	266	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	267	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	268	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	269	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	270	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	271	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	272	IF ( .NOT. neutral ) THEN
	273	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	274	ENDIF
[1010]	275	#endif
	276
[673]	277	!
[707]	278	!-- Following array is required for perturbation pressure within the iterative
	279	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	280	!-- the weighted average of the substeps and cannot be used in the Poisson
	281	!-- solver.
	282	IF ( psolver == 'sor' ) THEN
	283	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	284	ELSEIF ( psolver == 'multigrid' ) THEN
	285	!
	286	!-- For performance reasons, multigrid is using one ghost layer only
	287	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	288	ENDIF
[1]	289
[1111]	290	!
	291	!-- Array for storing constant coeffficients of the tridiagonal solver
	292	IF ( psolver == 'poisfft' ) THEN
[1212]	293	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	294	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	295	ENDIF
	296
[75]	297	IF ( humidity .OR. passive_scalar ) THEN
[1]	298	!
[75]	299	!-- 2D-humidity/scalar arrays
[1001]	300	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	301	qsws(nysg:nyng,nxlg:nxrg), &
	302	qswst(nysg:nyng,nxlg:nxrg) )
[1]	303
	304	!
[75]	305	!-- 3D-humidity/scalar arrays
[1010]	306	#if defined( __nopointer )
	307	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	308	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	309	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	310	#else
[667]	311	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	312	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	313	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	314	#endif
[1]	315
	316	!
[75]	317	!-- 3D-arrays needed for humidity only
	318	IF ( humidity ) THEN
[1010]	319	#if defined( __nopointer )
	320	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	321	#else
[667]	322	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	323	#endif
[1]	324
	325	IF ( cloud_physics ) THEN
[1053]	326
[1]	327	!
	328	!-- Liquid water content
[1010]	329	#if defined( __nopointer )
	330	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	331	#else
[667]	332	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	333	#endif
[72]	334	!
	335	!-- Precipitation amount and rate (only needed if output is switched)
[667]	336	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	337	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	338
	339	IF ( icloud_scheme == 0 ) THEN
	340	!
[1115]	341	!-- 1D-arrays
	342	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	343	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	344	!
[1115]	345	!-- 3D-cloud water content
[1053]	346	#if defined( __nopointer )
[1115]	347	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	348	#else
[1115]	349	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	350	#endif
	351	!
	352	!-- 3D-tendency arrays
[1115]	353	ALLOCATE( tend_pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	354	tend_q(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	355
	356	IF ( precipitation ) THEN
[1053]	357	!
[1115]	358	!-- 1D-arrays
	359	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
	360	!
	361	!
	362	!-- 3D-tendency arrays
	363	ALLOCATE( tend_nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	364	tend_qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	365	!
	366	!-- 2D-rain water content and rain drop concentration arrays
	367	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	368	qrsws(nysg:nyng,nxlg:nxrg), &
	369	qrswst(nysg:nyng,nxlg:nxrg), &
	370	nrs(nysg:nyng,nxlg:nxrg), &
	371	nrsws(nysg:nyng,nxlg:nxrg), &
	372	nrswst(nysg:nyng,nxlg:nxrg) )
	373	!
	374	!-- 3D-rain water content, rain drop concentration arrays
	375	#if defined( __nopointer )
	376	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	377	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	378	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	379	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	380	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	381	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	382	#else
	383	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	384	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	385	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	386	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	387	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	388	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	389	#endif
	390	!
	391	!-- 3d-precipitation rate
[1053]	392	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	393	ENDIF
	394
	395	ENDIF
[1]	396	ENDIF
	397
	398	IF ( cloud_droplets ) THEN
	399	!
[1010]	400	!-- Liquid water content, change in liquid water content
	401	#if defined( __nopointer )
	402	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	403	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	404	#else
[667]	405	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	406	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	407	#endif
	408	!
	409	!-- Real volume of particles (with weighting), volume of particles
	410	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	411	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	412	ENDIF
	413
	414	ENDIF
	415
	416	ENDIF
	417
[94]	418	IF ( ocean ) THEN
[1001]	419	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	420	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	421	#if defined( __nopointer )
	422	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	423	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	424	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	425	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	426	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	427	#else
[667]	428	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	429	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	430	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	431	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	432	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	433	prho => prho_1
	434	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	435	! density to be apointer
[1010]	436	#endif
[108]	437	IF ( humidity_remote ) THEN
[667]	438	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[108]	439	qswst_remote = 0.0
	440	ENDIF
[94]	441	ENDIF
	442
[1]	443	!
	444	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	445	!-- particle velocities
[1171]	446	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	447	num_acc_per_node > 0 ) THEN
[1153]	448	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	449	ENDIF
	450
	451	IF ( dt_dosp /= 9999999.9 ) THEN
	452	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	453	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	454	spectrum_x = 0.0
	455	spectrum_y = 0.0
[1]	456	ENDIF
	457
	458	!
[1299]	459	!-- 1D-array for large scale subsidence velocity
[1316]	460	ALLOCATE ( w_subs(nzb:nzt+1) )
	461	w_subs = 0.0
[1299]	462
[1316]	463
[1299]	464	!
[138]	465	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	466	IF ( plant_canopy ) THEN
[667]	467	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	468	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	472
	473	IF ( passive_scalar ) THEN
[996]	474	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	475	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	476	ENDIF
	477
	478	IF ( cthf /= 0.0 ) THEN
[996]	479	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	480	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	481	ENDIF
	482
[138]	483	ENDIF
	484
	485	!
[51]	486	!-- 4D-array for storing the Rif-values at vertical walls
	487	IF ( topography /= 'flat' ) THEN
[667]	488	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[51]	489	rif_wall = 0.0
	490	ENDIF
	491
	492	!
[106]	493	!-- Arrays to store velocity data from t-dt and the phase speeds which
	494	!-- are needed for radiation boundary conditions
[73]	495	IF ( outflow_l ) THEN
[667]	496	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	497	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	498	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	499	ENDIF
	500	IF ( outflow_r ) THEN
[667]	501	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	502	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	503	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	504	ENDIF
[106]	505	IF ( outflow_l .OR. outflow_r ) THEN
[667]	506	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	507	c_w(nzb:nzt+1,nysg:nyng) )
[106]	508	ENDIF
[73]	509	IF ( outflow_s ) THEN
[667]	510	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	511	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	512	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	513	ENDIF
	514	IF ( outflow_n ) THEN
[667]	515	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	516	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	517	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	518	ENDIF
[106]	519	IF ( outflow_s .OR. outflow_n ) THEN
[667]	520	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	521	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	522	ENDIF
[996]	523	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	524	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	525	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	526	ENDIF
[73]	527
[978]	528
[1010]	529	#if ! defined( __nopointer )
[73]	530	!
[1]	531	!-- Initial assignment of the pointers
[1001]	532	e => e_1; e_p => e_2; te_m => e_3
[1032]	533	IF ( .NOT. neutral ) THEN
	534	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	535	ELSE
	536	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	537	ENDIF
[1001]	538	u => u_1; u_p => u_2; tu_m => u_3
	539	v => v_1; v_p => v_2; tv_m => v_3
	540	w => w_1; w_p => w_2; tw_m => w_3
[1]	541
[1001]	542	IF ( humidity .OR. passive_scalar ) THEN
	543	q => q_1; q_p => q_2; tq_m => q_3
[1053]	544	IF ( humidity ) THEN
	545	vpt => vpt_1
	546	IF ( cloud_physics ) THEN
	547	ql => ql_1
	548	IF ( icloud_scheme == 0 ) THEN
[1115]	549	qc => qc_1
	550	IF ( precipitation ) THEN
	551	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	552	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	553	ENDIF
[1053]	554	ENDIF
	555	ENDIF
	556	ENDIF
[1001]	557	IF ( cloud_droplets ) THEN
	558	ql => ql_1
	559	ql_c => ql_2
[1]	560	ENDIF
[1001]	561	ENDIF
[1]	562
[1001]	563	IF ( ocean ) THEN
	564	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	565	ENDIF
[1010]	566	#endif
[1]	567
	568	!
[709]	569	!-- Allocate arrays containing the RK coefficient for calculation of
	570	!-- perturbation pressure and turbulent fluxes. At this point values are
	571	!-- set for pressure calculation during initialization (where no timestep
	572	!-- is done). Further below the values needed within the timestep scheme
	573	!-- will be set.
	574	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	575	weight_pres(1:intermediate_timestep_count_max) )
[709]	576	weight_substep = 1.0
	577	weight_pres = 1.0
	578	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	579
	580	!
[1]	581	!-- Initialize model variables
[147]	582	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	583	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	584	!
	585	!-- First model run of a possible job queue.
	586	!-- Initial profiles of the variables must be computes.
	587	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	588	!
	589	!-- Use solutions of the 1D model as initial profiles,
	590	!-- start 1D model
	591	CALL init_1d_model
	592	!
	593	!-- Transfer initial profiles to the arrays of the 3D model
[667]	594	DO i = nxlg, nxrg
	595	DO j = nysg, nyng
[1]	596	e(:,j,i) = e1d
	597	kh(:,j,i) = kh1d
	598	km(:,j,i) = km1d
	599	pt(:,j,i) = pt_init
	600	u(:,j,i) = u1d
	601	v(:,j,i) = v1d
	602	ENDDO
	603	ENDDO
	604
[75]	605	IF ( humidity .OR. passive_scalar ) THEN
[667]	606	DO i = nxlg, nxrg
	607	DO j = nysg, nyng
[1]	608	q(:,j,i) = q_init
	609	ENDDO
	610	ENDDO
[1115]	611	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	612	precipitation ) THEN
[1053]	613	DO i = nxlg, nxrg
	614	DO j = nysg, nyng
[1115]	615	qr(:,j,i) = 0.0
	616	nr(:,j,i) = 0.0
[1053]	617	ENDDO
	618	ENDDO
[1115]	619	!
	620	!-- Initialze nc_1d with default value
	621	nc_1d(:) = nc_const
	622
[1053]	623	ENDIF
[1]	624	ENDIF
	625
	626	IF ( .NOT. constant_diffusion ) THEN
[667]	627	DO i = nxlg, nxrg
	628	DO j = nysg, nyng
[1]	629	e(:,j,i) = e1d
	630	ENDDO
	631	ENDDO
	632	!
	633	!-- Store initial profiles for output purposes etc.
	634	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	635
	636	IF ( prandtl_layer ) THEN
	637	rif = rif1d(nzb+1)
	638	ts = 0.0 ! could actually be computed more accurately in the
	639	! 1D model. Update when opportunity arises.
	640	us = us1d
	641	usws = usws1d
	642	vsws = vsws1d
	643	ELSE
	644	ts = 0.0 ! must be set, because used in
	645	rif = 0.0 ! flowste
	646	us = 0.0
	647	usws = 0.0
	648	vsws = 0.0
	649	ENDIF
	650
	651	ELSE
	652	e = 0.0 ! must be set, because used in
	653	rif = 0.0 ! flowste
	654	ts = 0.0
	655	us = 0.0
	656	usws = 0.0
	657	vsws = 0.0
	658	ENDIF
[102]	659	uswst = top_momentumflux_u
	660	vswst = top_momentumflux_v
[1]	661
	662	!
	663	!-- In every case qs = 0.0 (see also pt)
	664	!-- This could actually be computed more accurately in the 1D model.
	665	!-- Update when opportunity arises!
[1053]	666	IF ( humidity .OR. passive_scalar ) THEN
	667	qs = 0.0
[1115]	668	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	669	precipitation ) THEN
[1053]	670	qrs = 0.0
	671	nrs = 0.0
	672	ENDIF
	673	ENDIF
[1]	674
	675	!
	676	!-- inside buildings set velocities back to zero
	677	IF ( topography /= 'flat' ) THEN
	678	DO i = nxl-1, nxr+1
	679	DO j = nys-1, nyn+1
	680	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	681	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	682	ENDDO
	683	ENDDO
[667]	684
[1]	685	!
	686	!-- WARNING: The extra boundary conditions set after running the
	687	!-- ------- 1D model impose an error on the divergence one layer
	688	!-- below the topography; need to correct later
	689	!-- ATTENTION: Provisional correction for Piacsek & Williams
	690	!-- --------- advection scheme: keep u and v zero one layer below
	691	!-- the topography.
[667]	692	IF ( ibc_uv_b == 1 ) THEN
	693	!
[1]	694	!-- Neumann condition
	695	DO i = nxl-1, nxr+1
	696	DO j = nys-1, nyn+1
	697	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	698	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	699	ENDDO
	700	ENDDO
	701
	702	ENDIF
	703
	704	ENDIF
	705
	706	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	707	THEN
[1241]	708
[1]	709	!
[1241]	710	!-- Overwrite initial profiles in case of nudging
	711	IF ( nudging ) THEN
	712	pt_init = ptnudge(:,1)
	713	u_init = unudge(:,1)
	714	v_init = vnudge(:,1)
	715	IF ( humidity .OR. passive_scalar ) THEN
	716	q_init = qnudge(:,1)
	717	ENDIF
	718
	719	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	720	'scalars from NUDGING_DATA are used.'
	721	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	722	ENDIF
	723
	724	!
[1]	725	!-- Use constructed initial profiles (velocity constant with height,
	726	!-- temperature profile with constant gradient)
[667]	727	DO i = nxlg, nxrg
	728	DO j = nysg, nyng
[1]	729	pt(:,j,i) = pt_init
	730	u(:,j,i) = u_init
	731	v(:,j,i) = v_init
	732	ENDDO
	733	ENDDO
[75]	734
[1]	735	!
[292]	736	!-- Set initial horizontal velocities at the lowest computational grid
	737	!-- levels to zero in order to avoid too small time steps caused by the
	738	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	739	!-- in the limiting formula!). The original values are stored to be later
	740	!-- used for volume flow control.
[667]	741	DO i = nxlg, nxrg
	742	DO j = nysg, nyng
[1]	743	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	744	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	745	ENDDO
	746	ENDDO
	747
[75]	748	IF ( humidity .OR. passive_scalar ) THEN
[667]	749	DO i = nxlg, nxrg
	750	DO j = nysg, nyng
[1]	751	q(:,j,i) = q_init
	752	ENDDO
	753	ENDDO
[1115]	754	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	755	!
	756	!-- Initialze nc_1d with default value
	757	nc_1d(:) = nc_const
	758
	759	IF ( precipitation ) THEN
	760	DO i = nxlg, nxrg
	761	DO j = nysg, nyng
	762	qr(:,j,i) = 0.0
	763	nr(:,j,i) = 0.0
	764	ENDDO
[1053]	765	ENDDO
[1115]	766	ENDIF
	767
[1053]	768	ENDIF
[1]	769	ENDIF
	770
[94]	771	IF ( ocean ) THEN
[667]	772	DO i = nxlg, nxrg
	773	DO j = nysg, nyng
[94]	774	sa(:,j,i) = sa_init
	775	ENDDO
	776	ENDDO
	777	ENDIF
[1]	778
	779	IF ( constant_diffusion ) THEN
	780	km = km_constant
	781	kh = km / prandtl_number
[108]	782	e = 0.0
	783	ELSEIF ( e_init > 0.0 ) THEN
	784	DO k = nzb+1, nzt
	785	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	786	ENDDO
	787	km(nzb,:,:) = km(nzb+1,:,:)
	788	km(nzt+1,:,:) = km(nzt,:,:)
	789	kh = km / prandtl_number
	790	e = e_init
[1]	791	ELSE
[108]	792	IF ( .NOT. ocean ) THEN
	793	kh = 0.01 ! there must exist an initial diffusion, because
	794	km = 0.01 ! otherwise no TKE would be produced by the
	795	! production terms, as long as not yet
	796	! e = (u/cm)*2 at k=nzb+1
	797	ELSE
	798	kh = 0.00001
	799	km = 0.00001
	800	ENDIF
	801	e = 0.0
[1]	802	ENDIF
[102]	803	rif = 0.0
	804	ts = 0.0
	805	us = 0.0
	806	usws = 0.0
	807	uswst = top_momentumflux_u
	808	vsws = 0.0
	809	vswst = top_momentumflux_v
[75]	810	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	811
	812	!
	813	!-- Compute initial temperature field and other constants used in case
	814	!-- of a sloping surface
	815	IF ( sloping_surface ) CALL init_slope
	816
[46]	817	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	818	THEN
	819	!
	820	!-- Initialization will completely be done by the user
	821	CALL user_init_3d_model
	822
[1]	823	ENDIF
[667]	824	!
	825	!-- Bottom boundary
	826	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
	827	u(nzb,:,:) = 0.0
	828	v(nzb,:,:) = 0.0
	829	ENDIF
[1]	830
	831	!
[151]	832	!-- Apply channel flow boundary condition
[132]	833	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	834	u(nzt+1,:,:) = 0.0
	835	v(nzt+1,:,:) = 0.0
	836	ENDIF
	837
	838	!
[1]	839	!-- Calculate virtual potential temperature
[75]	840	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	841
	842	!
	843	!-- Store initial profiles for output purposes etc.
	844	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	845	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	846	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
	847	hom(nzb,1,5,:) = 0.0
	848	hom(nzb,1,6,:) = 0.0
[1]	849	ENDIF
	850	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	851	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	852	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	853
[97]	854	IF ( ocean ) THEN
	855	!
	856	!-- Store initial salinity profile
	857	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	858	ENDIF
[1]	859
[75]	860	IF ( humidity ) THEN
[1]	861	!
	862	!-- Store initial profile of total water content, virtual potential
	863	!-- temperature
	864	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	865	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	866	IF ( cloud_physics .OR. cloud_droplets ) THEN
	867	!
	868	!-- Store initial profile of specific humidity and potential
	869	!-- temperature
	870	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	871	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	872	ENDIF
	873	ENDIF
	874
	875	IF ( passive_scalar ) THEN
	876	!
	877	!-- Store initial scalar profile
	878	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	879	ENDIF
	880
	881	!
[19]	882	!-- Initialize fluxes at bottom surface
[1]	883	IF ( use_surface_fluxes ) THEN
	884
	885	IF ( constant_heatflux ) THEN
	886	!
	887	!-- Heat flux is prescribed
	888	IF ( random_heatflux ) THEN
	889	CALL disturb_heatflux
	890	ELSE
	891	shf = surface_heatflux
	892	!
[1241]	893	!-- Initialize shf with data from external file LSF_DATA
	894	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	895	CALL ls_forcing_surf ( simulated_time )
	896	ENDIF
	897
	898	!
[1]	899	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	900	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	901	DO i = nxlg, nxrg
	902	DO j = nysg, nyng
[1]	903	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	904	shf(j,i) = wall_heatflux(0)
	905	ENDIF
	906	ENDDO
	907	ENDDO
	908	ENDIF
	909	ENDIF
	910	ENDIF
	911
	912	!
	913	!-- Determine the near-surface water flux
[75]	914	IF ( humidity .OR. passive_scalar ) THEN
[1115]	915	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	916	precipitation ) THEN
	917	qrsws = 0.0
	918	nrsws = 0.0
[1053]	919	ENDIF
[1]	920	IF ( constant_waterflux ) THEN
	921	qsws = surface_waterflux
[407]	922	!
	923	!-- Over topography surface_waterflux is replaced by
	924	!-- wall_humidityflux(0)
	925	IF ( TRIM( topography ) /= 'flat' ) THEN
	926	wall_qflux = wall_humidityflux
[667]	927	DO i = nxlg, nxrg
	928	DO j = nysg, nyng
[407]	929	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	930	qsws(j,i) = wall_qflux(0)
	931	ENDIF
	932	ENDDO
	933	ENDDO
	934	ENDIF
[1]	935	ENDIF
	936	ENDIF
	937
	938	ENDIF
	939
	940	!
[19]	941	!-- Initialize fluxes at top surface
[94]	942	!-- Currently, only the heatflux and salinity flux can be prescribed.
	943	!-- The latent flux is zero in this case!
[19]	944	IF ( use_top_fluxes ) THEN
	945
	946	IF ( constant_top_heatflux ) THEN
	947	!
	948	!-- Heat flux is prescribed
	949	tswst = top_heatflux
	950
[1053]	951	IF ( humidity .OR. passive_scalar ) THEN
	952	qswst = 0.0
[1115]	953	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	954	precipitation ) THEN
[1053]	955	nrswst = 0.0
	956	qrswst = 0.0
	957	ENDIF
	958	ENDIF
[94]	959
	960	IF ( ocean ) THEN
[95]	961	saswsb = bottom_salinityflux
[94]	962	saswst = top_salinityflux
	963	ENDIF
[102]	964	ENDIF
[19]	965
[102]	966	!
	967	!-- Initialization in case of a coupled model run
	968	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	969	tswst = 0.0
	970	ENDIF
	971
[19]	972	ENDIF
	973
	974	!
[1]	975	!-- Initialize Prandtl layer quantities
	976	IF ( prandtl_layer ) THEN
	977
	978	z0 = roughness_length
[978]	979	z0h = z0h_factor * z0
[1]	980
	981	IF ( .NOT. constant_heatflux ) THEN
	982	!
	983	!-- Surface temperature is prescribed. Here the heat flux cannot be
	984	!-- simply estimated, because therefore rif, u* and theta* would have
	985	!-- to be computed by iteration. This is why the heat flux is assumed
	986	!-- to be zero before the first time step. It approaches its correct
	987	!-- value in the course of the first few time steps.
	988	shf = 0.0
	989	ENDIF
	990
[75]	991	IF ( humidity .OR. passive_scalar ) THEN
[1001]	992	IF ( .NOT. constant_waterflux ) qsws = 0.0
[1115]	993	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	994	precipitation ) THEN
	995	qrsws = 0.0
	996	nrsws = 0.0
[1053]	997	ENDIF
[1]	998	ENDIF
	999
	1000	ENDIF
	1001
[1179]	1002	!
	1003	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1004	!-- the reference state will be set (overwritten) in init_ocean)
	1005	IF ( use_single_reference_value ) THEN
	1006	IF ( .NOT. humidity ) THEN
	1007	ref_state(:) = pt_reference
	1008	ELSE
	1009	ref_state(:) = vpt_reference
	1010	ENDIF
	1011	ELSE
	1012	IF ( .NOT. humidity ) THEN
	1013	ref_state(:) = pt_init(:)
	1014	ELSE
	1015	ref_state(:) = vpt(:,nys,nxl)
	1016	ENDIF
	1017	ENDIF
[152]	1018
	1019	!
[707]	1020	!-- For the moment, vertical velocity is zero
	1021	w = 0.0
[1]	1022
	1023	!
	1024	!-- Initialize array sums (must be defined in first call of pres)
	1025	sums = 0.0
	1026
	1027	!
[707]	1028	!-- In case of iterative solvers, p must get an initial value
	1029	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0
	1030
	1031	!
[72]	1032	!-- Treating cloud physics, liquid water content and precipitation amount
	1033	!-- are zero at beginning of the simulation
	1034	IF ( cloud_physics ) THEN
	1035	ql = 0.0
	1036	IF ( precipitation ) precipitation_amount = 0.0
[1115]	1037	IF ( icloud_scheme == 0 ) THEN
	1038	qc = 0.0
	1039	nc_1d = nc_const
	1040	ENDIF
[72]	1041	ENDIF
[673]	1042	!
[1]	1043	!-- Impose vortex with vertical axis on the initial velocity profile
	1044	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1045	CALL init_rankine
	1046	ENDIF
	1047
	1048	!
	1049	!-- Impose temperature anomaly (advection test only)
	1050	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1051	CALL init_pt_anomaly
	1052	ENDIF
	1053
	1054	!
	1055	!-- If required, change the surface temperature at the start of the 3D run
	1056	IF ( pt_surface_initial_change /= 0.0 ) THEN
	1057	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1058	ENDIF
	1059
	1060	!
	1061	!-- If required, change the surface humidity/scalar at the start of the 3D
	1062	!-- run
[75]	1063	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	1064	q_surface_initial_change /= 0.0 ) THEN
	1065	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1066	ENDIF
	1067	!
	1068	!-- Initialize the random number generator (from numerical recipes)
	1069	CALL random_function_ini
	1070
	1071	!
	1072	!-- Initialize old and new time levels.
[1001]	1073	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1]	1074	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1075
[75]	1076	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1077	tq_m = 0.0
[1]	1078	q_p = q
[1115]	1079	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1080	precipitation ) THEN
[1053]	1081	tqr_m = 0.0
	1082	qr_p = qr
	1083	tnr_m = 0.0
	1084	nr_p = nr
	1085	ENDIF
[1]	1086	ENDIF
	1087
[94]	1088	IF ( ocean ) THEN
	1089	tsa_m = 0.0
	1090	sa_p = sa
	1091	ENDIF
[667]	1092
[94]	1093
[147]	1094	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1095	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1096	THEN
	1097	!
[767]	1098	!-- When reading data for cyclic fill of 3D prerun data files, read
	1099	!-- some of the global variables from the restart file which are required
	1100	!-- for initializing the inflow
[328]	1101	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1102
[759]	1103	DO i = 0, io_blocks-1
	1104	IF ( i == io_group ) THEN
	1105	CALL read_parts_of_var_list
	1106	CALL close_file( 13 )
	1107	ENDIF
	1108	#if defined( __parallel )
	1109	CALL MPI_BARRIER( comm2d, ierr )
	1110	#endif
	1111	ENDDO
[328]	1112
[767]	1113	ENDIF
	1114
[151]	1115	!
[767]	1116	!-- Read binary data from restart file
	1117	DO i = 0, io_blocks-1
	1118	IF ( i == io_group ) THEN
	1119	CALL read_3d_binary
	1120	ENDIF
	1121	#if defined( __parallel )
	1122	CALL MPI_BARRIER( comm2d, ierr )
	1123	#endif
	1124	ENDDO
	1125
[328]	1126	!
[767]	1127	!-- Initialization of the turbulence recycling method
	1128	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1129	turbulent_inflow ) THEN
	1130	!
	1131	!-- First store the profiles to be used at the inflow.
	1132	!-- These profiles are the (temporally) and horizontally averaged vertical
	1133	!-- profiles from the prerun. Alternatively, prescribed profiles
	1134	!-- for u,v-components can be used.
	1135	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1136
[767]	1137	IF ( use_prescribed_profile_data ) THEN
	1138	mean_inflow_profiles(:,1) = u_init ! u
	1139	mean_inflow_profiles(:,2) = v_init ! v
	1140	ELSE
[328]	1141	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1142	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1143	ENDIF
	1144	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1145	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1146
	1147	!
[767]	1148	!-- If necessary, adjust the horizontal flow field to the prescribed
	1149	!-- profiles
	1150	IF ( use_prescribed_profile_data ) THEN
	1151	DO i = nxlg, nxrg
[667]	1152	DO j = nysg, nyng
[328]	1153	DO k = nzb, nzt+1
[767]	1154	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1155	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1156	ENDDO
[151]	1157	ENDDO
[767]	1158	ENDDO
	1159	ENDIF
[151]	1160
	1161	!
[767]	1162	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1163	!-- conditions are used)
	1164	IF ( inflow_l ) THEN
	1165	DO j = nysg, nyng
	1166	DO k = nzb, nzt+1
	1167	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1168	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
	1169	w(k,j,nxlg:-1) = 0.0
	1170	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1171	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1172	ENDDO
	1173	ENDDO
	1174	ENDIF
	1175
[151]	1176	!
[767]	1177	!-- Calculate the damping factors to be used at the inflow. For a
	1178	!-- turbulent inflow the turbulent fluctuations have to be limited
	1179	!-- vertically because otherwise the turbulent inflow layer will grow
	1180	!-- in time.
	1181	IF ( inflow_damping_height == 9999999.9 ) THEN
	1182	!
	1183	!-- Default: use the inversion height calculated by the prerun; if
	1184	!-- this is zero, inflow_damping_height must be explicitly
	1185	!-- specified.
	1186	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	1187	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1188	ELSE
	1189	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1190	'explicitly specified because&the inversion height ', &
	1191	'calculated by the prerun is zero.'
	1192	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1193	ENDIF
[151]	1194
[767]	1195	ENDIF
	1196
	1197	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	1198	!
[767]	1199	!-- Default for the transition range: one tenth of the undamped
	1200	!-- layer
	1201	inflow_damping_width = 0.1 * inflow_damping_height
[151]	1202
[767]	1203	ENDIF
[151]	1204
[767]	1205	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1206
[767]	1207	DO k = nzb, nzt+1
[151]	1208
[767]	1209	IF ( zu(k) <= inflow_damping_height ) THEN
	1210	inflow_damping_factor(k) = 1.0
[996]	1211	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
	1212	inflow_damping_factor(k) = 1.0 - &
	1213	( zu(k) - inflow_damping_height ) / &
	1214	inflow_damping_width
[767]	1215	ELSE
	1216	inflow_damping_factor(k) = 0.0
	1217	ENDIF
[151]	1218
[767]	1219	ENDDO
[151]	1220
[147]	1221	ENDIF
	1222
[152]	1223	!
[359]	1224	!-- Inside buildings set velocities and TKE back to zero
	1225	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1226	topography /= 'flat' ) THEN
	1227	!
	1228	!-- Inside buildings set velocities and TKE back to zero.
	1229	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1230	!-- maybe revise later.
[1001]	1231	DO i = nxlg, nxrg
	1232	DO j = nysg, nyng
	1233	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1234	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1235	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1236	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1237	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1238	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1239	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1240	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1241	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
[359]	1242	ENDDO
[1001]	1243	ENDDO
[359]	1244
	1245	ENDIF
	1246
	1247	!
[1]	1248	!-- Calculate initial temperature field and other constants used in case
	1249	!-- of a sloping surface
	1250	IF ( sloping_surface ) CALL init_slope
	1251
	1252	!
	1253	!-- Initialize new time levels (only done in order to set boundary values
	1254	!-- including ghost points)
	1255	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1256	IF ( humidity .OR. passive_scalar ) THEN
	1257	q_p = q
[1115]	1258	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1259	precipitation ) THEN
[1053]	1260	qr_p = qr
	1261	nr_p = nr
	1262	ENDIF
	1263	ENDIF
[94]	1264	IF ( ocean ) sa_p = sa
[1]	1265
[181]	1266	!
	1267	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1268	!-- have to be predefined here because they are used (but multiplied with 0)
	1269	!-- there before they are set.
[1001]	1270	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1053]	1271	IF ( humidity .OR. passive_scalar ) THEN
	1272	tq_m = 0.0
[1115]	1273	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1274	precipitation ) THEN
[1053]	1275	tqr_m = 0.0
	1276	tnr_m = 0.0
	1277	ENDIF
	1278	ENDIF
[1001]	1279	IF ( ocean ) tsa_m = 0.0
[181]	1280
[1]	1281	ELSE
	1282	!
	1283	!-- Actually this part of the programm should not be reached
[254]	1284	message_string = 'unknown initializing problem'
	1285	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1286	ENDIF
	1287
[151]	1288
	1289	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1290	!
[151]	1291	!-- Initialize old timelevels needed for radiation boundary conditions
	1292	IF ( outflow_l ) THEN
	1293	u_m_l(:,:,:) = u(:,:,1:2)
	1294	v_m_l(:,:,:) = v(:,:,0:1)
	1295	w_m_l(:,:,:) = w(:,:,0:1)
	1296	ENDIF
	1297	IF ( outflow_r ) THEN
	1298	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1299	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1300	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1301	ENDIF
	1302	IF ( outflow_s ) THEN
	1303	u_m_s(:,:,:) = u(:,0:1,:)
	1304	v_m_s(:,:,:) = v(:,1:2,:)
	1305	w_m_s(:,:,:) = w(:,0:1,:)
	1306	ENDIF
	1307	IF ( outflow_n ) THEN
	1308	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1309	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1310	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1311	ENDIF
[667]	1312
[151]	1313	ENDIF
[680]	1314
[667]	1315	!
	1316	!-- Calculate the initial volume flow at the right and north boundary
[709]	1317	IF ( conserve_volume_flow ) THEN
[151]	1318
[767]	1319	IF ( use_prescribed_profile_data ) THEN
[667]	1320
[732]	1321	volume_flow_initial_l = 0.0
	1322	volume_flow_area_l = 0.0
	1323
[667]	1324	IF ( nxr == nx ) THEN
	1325	DO j = nys, nyn
[709]	1326	DO k = nzb_2d(j,nx)+1, nzt
[667]	1327	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1328	u_init(k) * dzw(k)
	1329	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1330	ENDDO
	1331	ENDDO
	1332	ENDIF
	1333
	1334	IF ( nyn == ny ) THEN
	1335	DO i = nxl, nxr
	1336	DO k = nzb_2d(ny,i)+1, nzt
	1337	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1338	v_init(k) * dzw(k)
	1339	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1340	ENDDO
	1341	ENDDO
	1342	ENDIF
	1343
	1344	#if defined( __parallel )
	1345	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1346	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1347	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1348	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1349
	1350	#else
	1351	volume_flow_initial = volume_flow_initial_l
	1352	volume_flow_area = volume_flow_area_l
	1353	#endif
	1354
	1355	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1356
	1357	volume_flow_initial_l = 0.0
	1358	volume_flow_area_l = 0.0
	1359
	1360	IF ( nxr == nx ) THEN
	1361	DO j = nys, nyn
	1362	DO k = nzb_2d(j,nx)+1, nzt
	1363	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1364	hom_sum(k,1,0) * dzw(k)
	1365	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1366	ENDDO
	1367	ENDDO
	1368	ENDIF
	1369
	1370	IF ( nyn == ny ) THEN
	1371	DO i = nxl, nxr
[709]	1372	DO k = nzb_2d(ny,i)+1, nzt
[667]	1373	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1374	hom_sum(k,2,0) * dzw(k)
[667]	1375	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1376	ENDDO
	1377	ENDDO
	1378	ENDIF
	1379
[732]	1380	#if defined( __parallel )
	1381	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1382	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1383	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1384	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1385
	1386	#else
	1387	volume_flow_initial = volume_flow_initial_l
	1388	volume_flow_area = volume_flow_area_l
	1389	#endif
	1390
[667]	1391	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1392
[732]	1393	volume_flow_initial_l = 0.0
	1394	volume_flow_area_l = 0.0
	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) + &
[709]	1400	u(k,j,nx) * dzw(k)
[667]	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
[709]	1408	DO k = nzb_2d(ny,i)+1, nzt
[667]	1409	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1410	v(k,ny,i) * 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 )
[732]	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 )
[667]	1421
	1422	#else
[732]	1423	volume_flow_initial = volume_flow_initial_l
	1424	volume_flow_area = volume_flow_area_l
[667]	1425	#endif
	1426
[732]	1427	ENDIF
	1428
[151]	1429	!
[709]	1430	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1431	!-- from u\|v_bulk instead
[680]	1432	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1433	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1434	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1435	ENDIF
[667]	1436
[680]	1437	ENDIF
	1438
[787]	1439	!
	1440	!-- Initialize quantities for special advections schemes
	1441	CALL init_advec
[680]	1442
[667]	1443	!
[680]	1444	!-- Impose random perturbation on the horizontal velocity field and then
	1445	!-- remove the divergences from the velocity field at the initial stage
	1446	IF ( create_disturbances .AND. &
	1447	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1448	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1449
	1450	CALL disturb_field( nzb_u_inner, tend, u )
	1451	CALL disturb_field( nzb_v_inner, tend, v )
	1452	n_sor = nsor_ini
[1221]	1453	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1454	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1455	!$acc copyin( weight_pres, weight_substep ) &
	1456	!$acc copy( tri, tric, u, v, w )
[680]	1457	CALL pres
[1111]	1458	!$acc end data
[680]	1459	n_sor = nsor
	1460	ENDIF
	1461
	1462	!
[138]	1463	!-- Initialization of the leaf area density
[709]	1464	IF ( plant_canopy ) THEN
[138]	1465
	1466	SELECT CASE ( TRIM( canopy_mode ) )
	1467
	1468	CASE( 'block' )
	1469
[667]	1470	DO i = nxlg, nxrg
	1471	DO j = nysg, nyng
[138]	1472	lad_s(:,j,i) = lad(:)
	1473	cdc(:,j,i) = drag_coefficient
[709]	1474	IF ( passive_scalar ) THEN
[153]	1475	sls(:,j,i) = leaf_surface_concentration
	1476	sec(:,j,i) = scalar_exchange_coefficient
	1477	ENDIF
[138]	1478	ENDDO
	1479	ENDDO
	1480
	1481	CASE DEFAULT
	1482
	1483	!
	1484	!-- The DEFAULT case is reached either if the parameter
	1485	!-- canopy mode contains a wrong character string or if the
	1486	!-- user has coded a special case in the user interface.
	1487	!-- There, the subroutine user_init_plant_canopy checks
	1488	!-- which of these two conditions applies.
	1489	CALL user_init_plant_canopy
	1490
	1491	END SELECT
	1492
[667]	1493	CALL exchange_horiz( lad_s, nbgp )
	1494	CALL exchange_horiz( cdc, nbgp )
[138]	1495
[709]	1496	IF ( passive_scalar ) THEN
[667]	1497	CALL exchange_horiz( sls, nbgp )
	1498	CALL exchange_horiz( sec, nbgp )
[153]	1499	ENDIF
	1500
	1501	!
	1502	!-- Sharp boundaries of the plant canopy in horizontal directions
	1503	!-- In vertical direction the interpolation is retained, as the leaf
	1504	!-- area density is initialised by prescribing a vertical profile
	1505	!-- consisting of piecewise linear segments. The upper boundary
	1506	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1507
[138]	1508	DO i = nxl, nxr
	1509	DO j = nys, nyn
	1510	DO k = nzb, nzt+1
[709]	1511	IF ( lad_s(k,j,i) > 0.0 ) THEN
[153]	1512	lad_u(k,j,i) = lad_s(k,j,i)
	1513	lad_u(k,j,i+1) = lad_s(k,j,i)
	1514	lad_v(k,j,i) = lad_s(k,j,i)
	1515	lad_v(k,j+1,i) = lad_s(k,j,i)
	1516	ENDIF
[138]	1517	ENDDO
	1518	DO k = nzb, nzt
	1519	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1520	ENDDO
	1521	ENDDO
	1522	ENDDO
	1523
[153]	1524	lad_w(pch_index,:,:) = 0.0
	1525	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1526
[667]	1527	CALL exchange_horiz( lad_u, nbgp )
	1528	CALL exchange_horiz( lad_v, nbgp )
	1529	CALL exchange_horiz( lad_w, nbgp )
[153]	1530
	1531	!
	1532	!-- Initialisation of the canopy heat source distribution
[709]	1533	IF ( cthf /= 0.0 ) THEN
[153]	1534	!
	1535	!-- Piecewise evaluation of the leaf area index by
	1536	!-- integration of the leaf area density
	1537	lai(:,:,:) = 0.0
[667]	1538	DO i = nxlg, nxrg
	1539	DO j = nysg, nyng
[153]	1540	DO k = pch_index-1, 0, -1
	1541	lai(k,j,i) = lai(k+1,j,i) + &
	1542	( 0.5 * ( lad_w(k+1,j,i) + &
	1543	lad_s(k+1,j,i) ) * &
	1544	( zw(k+1) - zu(k+1) ) ) + &
	1545	( 0.5 * ( lad_w(k,j,i) + &
	1546	lad_s(k+1,j,i) ) * &
	1547	( zu(k+1) - zw(k) ) )
	1548	ENDDO
	1549	ENDDO
	1550	ENDDO
	1551
	1552	!
	1553	!-- Evaluation of the upward kinematic vertical heat flux within the
	1554	!-- canopy
[667]	1555	DO i = nxlg, nxrg
	1556	DO j = nysg, nyng
[153]	1557	DO k = 0, pch_index
	1558	canopy_heat_flux(k,j,i) = cthf * &
	1559	exp( -0.6 * lai(k,j,i) )
	1560	ENDDO
	1561	ENDDO
	1562	ENDDO
	1563
	1564	!
	1565	!-- The near surface heat flux is derived from the heat flux
	1566	!-- distribution within the canopy
	1567	shf(:,:) = canopy_heat_flux(0,:,:)
	1568
	1569	ENDIF
	1570
[138]	1571	ENDIF
	1572
	1573	!
[1]	1574	!-- If required, initialize dvrp-software
	1575	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1576
[96]	1577	IF ( ocean ) THEN
[1]	1578	!
[96]	1579	!-- Initialize quantities needed for the ocean model
	1580	CALL init_ocean
[388]	1581
[96]	1582	ELSE
	1583	!
	1584	!-- Initialize quantities for handling cloud physics
[849]	1585	!-- This routine must be called before lpm_init, because
[96]	1586	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1587	!-- lpm_init) is not defined.
[96]	1588	CALL init_cloud_physics
	1589	ENDIF
[1]	1590
	1591	!
	1592	!-- If required, initialize particles
[849]	1593	IF ( particle_advection ) CALL lpm_init
[1]	1594
	1595	!
[673]	1596	!-- Initialize the ws-scheme.
	1597	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1598
	1599	!
[709]	1600	!-- Setting weighting factors for calculation of perturbation pressure
	1601	!-- and turbulent quantities from the RK substeps
	1602	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1603
[713]	1604	weight_substep(1) = 1./6.
	1605	weight_substep(2) = 3./10.
	1606	weight_substep(3) = 8./15.
[709]	1607
[713]	1608	weight_pres(1) = 1./3.
	1609	weight_pres(2) = 5./12.
	1610	weight_pres(3) = 1./4.
[709]	1611
	1612	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1613
[713]	1614	weight_substep(1) = 1./2.
	1615	weight_substep(2) = 1./2.
[673]	1616
[713]	1617	weight_pres(1) = 1./2.
	1618	weight_pres(2) = 1./2.
[709]	1619
[1001]	1620	ELSE ! for Euler-method
[709]	1621
[673]	1622	weight_substep(1) = 1.0
[709]	1623	weight_pres(1) = 1.0
	1624
[673]	1625	ENDIF
	1626
	1627	!
[1]	1628	!-- Initialize Rayleigh damping factors
[785]	1629	rdf = 0.0
	1630	rdf_sc = 0.0
[1]	1631	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1632	IF ( .NOT. ocean ) THEN
	1633	DO k = nzb+1, nzt
	1634	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1635	rdf(k) = rayleigh_damping_factor * &
[1]	1636	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1637	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1638	)**2
[108]	1639	ENDIF
	1640	ENDDO
	1641	ELSE
	1642	DO k = nzt, nzb+1, -1
	1643	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1644	rdf(k) = rayleigh_damping_factor * &
	1645	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1646	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1647	)**2
	1648	ENDIF
	1649	ENDDO
	1650	ENDIF
[1]	1651	ENDIF
[785]	1652	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1653
	1654	!
[240]	1655	!-- Initialize the starting level and the vertical smoothing factor used for
	1656	!-- the external pressure gradient
	1657	dp_smooth_factor = 1.0
	1658	IF ( dp_external ) THEN
	1659	!
	1660	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1661	!-- (e.g. in init_grid).
	1662	IF ( dp_level_ind_b == 0 ) THEN
	1663	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1664	dp_level_ind_b = ind_array(1) - 1 + nzb
	1665	! MINLOC uses lower array bound 1
	1666	ENDIF
	1667	IF ( dp_smooth ) THEN
	1668	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1669	DO k = dp_level_ind_b+1, nzt
	1670	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1671	( REAL( k - dp_level_ind_b ) / &
	1672	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1673	ENDDO
	1674	ENDIF
	1675	ENDIF
	1676
	1677	!
[978]	1678	!-- Initialize damping zone for the potential temperature in case of
	1679	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1680	!-- at the inflow boundary and decreases to zero at pt_damping_width.
	1681	ptdf_x = 0.0
	1682	ptdf_y = 0.0
[1159]	1683	IF ( bc_lr_dirrad ) THEN
[996]	1684	DO i = nxl, nxr
[978]	1685	IF ( ( i * dx ) < pt_damping_width ) THEN
	1686	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5 * &
	1687	REAL( pt_damping_width - i * dx ) / ( &
	1688	REAL( pt_damping_width ) ) ) )**2
[73]	1689	ENDIF
	1690	ENDDO
[1159]	1691	ELSEIF ( bc_lr_raddir ) THEN
[996]	1692	DO i = nxl, nxr
[978]	1693	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[996]	1694	ptdf_x(i) = pt_damping_factor * &
	1695	SIN( pi * 0.5 * ( ( i - nx ) * dx + pt_damping_width ) / &
	1696	REAL( pt_damping_width ) )**2
[73]	1697	ENDIF
[978]	1698	ENDDO
[1159]	1699	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1700	DO j = nys, nyn
[978]	1701	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[996]	1702	ptdf_y(j) = pt_damping_factor * &
	1703	SIN( pi * 0.5 * ( ( j - ny ) * dy + pt_damping_width ) / &
	1704	REAL( pt_damping_width ) )**2
[1]	1705	ENDIF
[978]	1706	ENDDO
[1159]	1707	ELSEIF ( bc_ns_raddir ) THEN
[996]	1708	DO j = nys, nyn
[978]	1709	IF ( ( j * dy ) < pt_damping_width ) THEN
[996]	1710	ptdf_y(j) = pt_damping_factor * &
	1711	SIN( pi * 0.5 * ( pt_damping_width - j * dy ) / &
	1712	REAL( pt_damping_width ) )**2
[1]	1713	ENDIF
[73]	1714	ENDDO
[1]	1715	ENDIF
	1716
	1717	!
[709]	1718	!-- Initialize local summation arrays for routine flow_statistics.
	1719	!-- This is necessary because they may not yet have been initialized when they
	1720	!-- are called from flow_statistics (or - depending on the chosen model run -
	1721	!-- are never initialized)
[1]	1722	sums_divnew_l = 0.0
	1723	sums_divold_l = 0.0
	1724	sums_l_l = 0.0
	1725	sums_up_fraction_l = 0.0
	1726	sums_wsts_bc_l = 0.0
	1727
	1728	!
	1729	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1730	!-- Ghost points are excluded because counting values at the ghost boundaries
	1731	!-- would bias the statistics
[1]	1732	rmask = 1.0
[1025]	1733	rmask(:,nxlg:nxl-1,:) = 0.0; rmask(:,nxr+1:nxrg,:) = 0.0
	1734	rmask(nysg:nys-1,:,:) = 0.0; rmask(nyn+1:nyng,:,:) = 0.0
[1]	1735
	1736	!
[51]	1737	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1738	!-- of allowed timeseries is exceeded
[1]	1739	CALL user_init
	1740
[51]	1741	IF ( dots_num > dots_max ) THEN
[254]	1742	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1743	' its maximum of dots_max = ', dots_max, &
[254]	1744	' &Please increase dots_max in modules.f90.'
	1745	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1746	ENDIF
	1747
[1]	1748	!
	1749	!-- Input binary data file is not needed anymore. This line must be placed
	1750	!-- after call of user_init!
	1751	CALL close_file( 13 )
	1752
	1753	!
	1754	!-- Compute total sum of active mask grid points
	1755	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1756	!-- total domain
	1757	!-- ngp_3d: number of grid points of the total domain
[132]	1758	ngp_2dh_outer_l = 0
	1759	ngp_2dh_outer = 0
	1760	ngp_2dh_s_inner_l = 0
	1761	ngp_2dh_s_inner = 0
	1762	ngp_2dh_l = 0
	1763	ngp_2dh = 0
[485]	1764	ngp_3d_inner_l = 0.0
[132]	1765	ngp_3d_inner = 0
	1766	ngp_3d = 0
	1767	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1768
	1769	DO sr = 0, statistic_regions
	1770	DO i = nxl, nxr
	1771	DO j = nys, nyn
	1772	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1773	!
	1774	!-- All xy-grid points
	1775	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1776	!
	1777	!-- xy-grid points above topography
	1778	DO k = nzb_s_outer(j,i), nz + 1
	1779	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1780	ENDDO
[132]	1781	DO k = nzb_s_inner(j,i), nz + 1
	1782	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1783	ENDDO
[1]	1784	!
	1785	!-- All grid points of the total domain above topography
	1786	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1787	( nz - nzb_s_inner(j,i) + 2 )
	1788	ENDIF
	1789	ENDDO
	1790	ENDDO
	1791	ENDDO
	1792
	1793	sr = statistic_regions + 1
	1794	#if defined( __parallel )
[622]	1795	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1796	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1797	comm2d, ierr )
[622]	1798	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1799	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1800	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1801	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1802	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1803	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1804	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1805	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1806	MPI_SUM, comm2d, ierr )
[485]	1807	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1808	#else
[132]	1809	ngp_2dh = ngp_2dh_l
	1810	ngp_2dh_outer = ngp_2dh_outer_l
	1811	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1812	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1813	#endif
	1814
[560]	1815	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1816	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1817
	1818	!
	1819	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1820	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1821	!-- the respective subdomain lie below the surface topography
[667]	1822	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1823	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1824	ngp_3d_inner(:) )
[667]	1825	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1826
[485]	1827	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1828
	1829
	1830	END SUBROUTINE init_3d_model

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