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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1361

Last change on this file since 1361 was 1361, checked in by hoffmann, 10 years ago
improved version of two-moment cloud physics
Property svn:keywords set to `Id`
File size: 64.0 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	! ------------------
[1361]	22	! tend_* removed
	23	! Bugfix: w_subs is not allocated anymore if it is already allocated
[1341]	24	!
[1054]	25	! Former revisions:
	26	! -----------------
	27	! $Id: init_3d_model.f90 1361 2014-04-16 15:17:48Z hoffmann $
	28	!
[1360]	29	! 1359 2014-04-11 17:15:14Z hoffmann
	30	! module lpm_init_mod added to use statements, because lpm_init has become a
	31	! module
	32	!
[1354]	33	! 1353 2014-04-08 15:21:23Z heinze
	34	! REAL constants provided with KIND-attribute
	35	!
[1341]	36	! 1340 2014-03-25 19:45:13Z kanani
	37	! REAL constants defined as wp-kind
	38	!
[1323]	39	! 1322 2014-03-20 16:38:49Z raasch
	40	! REAL constants defined as wp-kind
	41	! module interfaces removed
	42	!
[1321]	43	! 1320 2014-03-20 08:40:49Z raasch
	44	! ONLY-attribute added to USE-statements,
	45	! kind-parameters added to all INTEGER and REAL declaration statements,
	46	! kinds are defined in new module kinds,
	47	! revision history before 2012 removed,
	48	! comment fields (!:) to be used for variable explanations added to
	49	! all variable declaration statements
	50	!
[1317]	51	! 1316 2014-03-17 07:44:59Z heinze
	52	! Bugfix: allocation of w_subs
	53	!
[1300]	54	! 1299 2014-03-06 13:15:21Z heinze
	55	! Allocate w_subs due to extension of large scale subsidence in combination
	56	! with large scale forcing data (LSF_DATA)
	57	!
[1242]	58	! 1241 2013-10-30 11:36:58Z heinze
	59	! Overwrite initial profiles in case of nudging
	60	! Inititialize shf and qsws in case of large_scale_forcing
	61	!
[1222]	62	! 1221 2013-09-10 08:59:13Z raasch
	63	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	64	! copy
	65	!
[1213]	66	! 1212 2013-08-15 08:46:27Z raasch
	67	! array tri is allocated and included in data copy statement
	68	!
[1196]	69	! 1195 2013-07-01 12:27:57Z heinze
	70	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	71	!
[1182]	72	! 1179 2013-06-14 05:57:58Z raasch
	73	! allocate and set ref_state to be used in buoyancy terms
	74	!
[1172]	75	! 1171 2013-05-30 11:27:45Z raasch
	76	! diss array is allocated with full size if accelerator boards are used
	77	!
[1160]	78	! 1159 2013-05-21 11:58:22Z fricke
	79	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	80	!
[1154]	81	! 1153 2013-05-10 14:33:08Z raasch
	82	! diss array is allocated with dummy elements even if it is not needed
[1171]	83	! (required by PGI 13.4 / CUDA 5.0)
[1154]	84	!
[1116]	85	! 1115 2013-03-26 18:16:16Z hoffmann
	86	! unused variables removed
	87	!
[1114]	88	! 1113 2013-03-10 02:48:14Z raasch
	89	! openACC directive modified
	90	!
[1112]	91	! 1111 2013-03-08 23:54:10Z raasch
	92	! openACC directives added for pres
	93	! array diss allocated only if required
	94	!
[1093]	95	! 1092 2013-02-02 11:24:22Z raasch
	96	! unused variables removed
	97	!
[1066]	98	! 1065 2012-11-22 17:42:36Z hoffmann
	99	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	100	!
[1054]	101	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	102	! allocation and initialisation of necessary data arrays for the two-moment
	103	! cloud physics scheme the two new prognostic equations (nr, qr):
	104	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	105	! +tend_*, prr
[979]	106	!
[1037]	107	! 1036 2012-10-22 13:43:42Z raasch
	108	! code put under GPL (PALM 3.9)
	109	!
[1033]	110	! 1032 2012-10-21 13:03:21Z letzel
	111	! save memory by not allocating pt_2 in case of neutral = .T.
	112	!
[1026]	113	! 1025 2012-10-07 16:04:41Z letzel
	114	! bugfix: swap indices of mask for ghost boundaries
	115	!
[1017]	116	! 1015 2012-09-27 09:23:24Z raasch
	117	! mask is set to zero for ghost boundaries
	118	!
[1011]	119	! 1010 2012-09-20 07:59:54Z raasch
	120	! cpp switch __nopointer added for pointer free version
	121	!
[1004]	122	! 1003 2012-09-14 14:35:53Z raasch
	123	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	124	!
[1002]	125	! 1001 2012-09-13 14:08:46Z raasch
	126	! all actions concerning leapfrog scheme removed
	127	!
[997]	128	! 996 2012-09-07 10:41:47Z raasch
	129	! little reformatting
	130	!
[979]	131	! 978 2012-08-09 08:28:32Z fricke
[978]	132	! outflow damping layer removed
	133	! roughness length for scalar quantites z0h added
	134	! damping zone for the potential temperatur in case of non-cyclic lateral
	135	! boundaries added
	136	! initialization of ptdf_x, ptdf_y
	137	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	138	!
[850]	139	! 849 2012-03-15 10:35:09Z raasch
	140	! init_particles renamed lpm_init
	141	!
[826]	142	! 825 2012-02-19 03:03:44Z raasch
	143	! wang_collision_kernel renamed wang_kernel
	144	!
[1]	145	! Revision 1.1 1998/03/09 16:22:22 raasch
	146	! Initial revision
	147	!
	148	!
	149	! Description:
	150	! ------------
	151	! Allocation of arrays and initialization of the 3D model via
	152	! a) pre-run the 1D model
	153	! or
	154	! b) pre-set constant linear profiles
	155	! or
	156	! c) read values of a previous run
	157	!------------------------------------------------------------------------------!
	158
[667]	159	USE advec_ws
[1320]	160
[1]	161	USE arrays_3d
[1320]	162
	163	USE cloud_parameters, &
	164	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	165
	166	USE constants, &
	167	ONLY: pi
	168
[1]	169	USE control_parameters
[1320]	170
	171	USE grid_variables, &
	172	ONLY: dx, dy
	173
[1]	174	USE indices
[1359]	175
	176	USE lpm_init_mod, &
	177	ONLY: lpm_init
[1320]	178
	179	USE kinds
	180
[1241]	181	USE ls_forcing_mod
[1320]	182
	183	USE model_1d, &
	184	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	185
[51]	186	USE netcdf_control
[1320]	187
	188	USE particle_attributes, &
	189	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	190
[1]	191	USE pegrid
[1320]	192
	193	USE random_function_mod
	194
	195	USE statistics, &
	196	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	197	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	198	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	199	weight_pres, weight_substep
	200
	201	USE transpose_indices
[1]	202
	203	IMPLICIT NONE
	204
[1320]	205	INTEGER(iwp) :: i !:
	206	INTEGER(iwp) :: ind_array(1) !:
	207	INTEGER(iwp) :: j !:
	208	INTEGER(iwp) :: k !:
	209	INTEGER(iwp) :: sr !:
[1]	210
[1320]	211	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !:
[1]	212
[1320]	213	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !:
	214	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !:
[1]	215
[1320]	216	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !:
	217	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !:
[1]	218
[1320]	219	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !:
	220	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !:
[1]	221
[485]	222
[1]	223	!
	224	!-- Allocate arrays
	225	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	226	ngp_3d(0:statistic_regions), &
	227	ngp_3d_inner(0:statistic_regions), &
	228	ngp_3d_inner_l(0:statistic_regions), &
[485]	229	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	230	sums_divnew_l(0:statistic_regions), &
	231	sums_divold_l(0:statistic_regions) )
[1195]	232	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	233	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	234	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	235	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	236	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	237	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	238	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	239	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	240	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	241	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	242	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	243	ts_value(dots_max,0:statistic_regions) )
[978]	244	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	245
[1001]	246	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	247	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	248	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	249	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	250	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	251	z0h(nysg:nyng,nxlg:nxrg) )
[1]	252
[1010]	253	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	254	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	255	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	256	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	257	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	258
	259	#if defined( __nopointer )
	260	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	261	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	262	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	263	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	264	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	265	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	266	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	267	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	268	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	269	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	270	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	271	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	272	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	273	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	274	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	275	#else
	276	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	277	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	278	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	279	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	280	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	281	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	282	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	283	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	284	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	285	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	286	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	287	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	288	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	289	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	290	IF ( .NOT. neutral ) THEN
	291	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	292	ENDIF
[1010]	293	#endif
	294
[673]	295	!
[707]	296	!-- Following array is required for perturbation pressure within the iterative
	297	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	298	!-- the weighted average of the substeps and cannot be used in the Poisson
	299	!-- solver.
	300	IF ( psolver == 'sor' ) THEN
	301	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	302	ELSEIF ( psolver == 'multigrid' ) THEN
	303	!
	304	!-- For performance reasons, multigrid is using one ghost layer only
	305	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	306	ENDIF
[1]	307
[1111]	308	!
	309	!-- Array for storing constant coeffficients of the tridiagonal solver
	310	IF ( psolver == 'poisfft' ) THEN
[1212]	311	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	312	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	313	ENDIF
	314
[75]	315	IF ( humidity .OR. passive_scalar ) THEN
[1]	316	!
[75]	317	!-- 2D-humidity/scalar arrays
[1001]	318	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	319	qsws(nysg:nyng,nxlg:nxrg), &
	320	qswst(nysg:nyng,nxlg:nxrg) )
[1]	321
	322	!
[75]	323	!-- 3D-humidity/scalar arrays
[1010]	324	#if defined( __nopointer )
	325	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	326	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	327	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	328	#else
[667]	329	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	330	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	331	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	332	#endif
[1]	333
	334	!
[75]	335	!-- 3D-arrays needed for humidity only
	336	IF ( humidity ) THEN
[1010]	337	#if defined( __nopointer )
	338	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	339	#else
[667]	340	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	341	#endif
[1]	342
	343	IF ( cloud_physics ) THEN
[1053]	344
[1]	345	!
	346	!-- Liquid water content
[1010]	347	#if defined( __nopointer )
	348	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	349	#else
[667]	350	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	351	#endif
[72]	352	!
	353	!-- Precipitation amount and rate (only needed if output is switched)
[667]	354	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	355	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	356
	357	IF ( icloud_scheme == 0 ) THEN
	358	!
[1115]	359	!-- 1D-arrays
	360	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	361	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	362	!
[1115]	363	!-- 3D-cloud water content
[1053]	364	#if defined( __nopointer )
[1115]	365	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	366	#else
[1115]	367	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	368	#endif
[1115]	369
	370	IF ( precipitation ) THEN
[1053]	371	!
[1115]	372	!-- 1D-arrays
	373	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
[1361]	374
[1115]	375	!
	376	!-- 2D-rain water content and rain drop concentration arrays
	377	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	378	qrsws(nysg:nyng,nxlg:nxrg), &
	379	qrswst(nysg:nyng,nxlg:nxrg), &
	380	nrs(nysg:nyng,nxlg:nxrg), &
	381	nrsws(nysg:nyng,nxlg:nxrg), &
	382	nrswst(nysg:nyng,nxlg:nxrg) )
	383	!
	384	!-- 3D-rain water content, rain drop concentration arrays
	385	#if defined( __nopointer )
	386	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	387	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	388	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	389	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	390	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	391	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	392	#else
	393	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	394	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	395	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	396	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	397	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	398	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	399	#endif
	400	!
	401	!-- 3d-precipitation rate
[1053]	402	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	403	ENDIF
	404
	405	ENDIF
[1]	406	ENDIF
	407
	408	IF ( cloud_droplets ) THEN
	409	!
[1010]	410	!-- Liquid water content, change in liquid water content
	411	#if defined( __nopointer )
	412	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	413	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	414	#else
[667]	415	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	416	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	417	#endif
	418	!
	419	!-- Real volume of particles (with weighting), volume of particles
	420	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	421	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	422	ENDIF
	423
	424	ENDIF
	425
	426	ENDIF
	427
[94]	428	IF ( ocean ) THEN
[1001]	429	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	430	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	431	#if defined( __nopointer )
	432	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	433	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	434	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	435	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	436	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	437	#else
[667]	438	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	439	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	440	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	441	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	442	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	443	prho => prho_1
	444	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	445	! density to be apointer
[1010]	446	#endif
[108]	447	IF ( humidity_remote ) THEN
[667]	448	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	449	qswst_remote = 0.0_wp
[108]	450	ENDIF
[94]	451	ENDIF
	452
[1]	453	!
	454	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	455	!-- particle velocities
[1171]	456	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	457	num_acc_per_node > 0 ) THEN
[1153]	458	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	459	ENDIF
	460
[1340]	461	IF ( dt_dosp /= 9999999.9_wp ) THEN
[1]	462	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	463	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[1340]	464	spectrum_x = 0.0_wp
	465	spectrum_y = 0.0_wp
[1]	466	ENDIF
	467
	468	!
[1299]	469	!-- 1D-array for large scale subsidence velocity
[1361]	470	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	471	ALLOCATE ( w_subs(nzb:nzt+1) )
	472	w_subs = 0.0_wp
	473	ENDIF
[1299]	474
	475	!
[138]	476	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	477	IF ( plant_canopy ) THEN
[667]	478	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	479	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	480	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	481	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	482	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	483
	484	IF ( passive_scalar ) THEN
[996]	485	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	486	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	487	ENDIF
	488
[1340]	489	IF ( cthf /= 0.0_wp ) THEN
[996]	490	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	491	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	492	ENDIF
	493
[138]	494	ENDIF
	495
	496	!
[51]	497	!-- 4D-array for storing the Rif-values at vertical walls
	498	IF ( topography /= 'flat' ) THEN
[667]	499	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	500	rif_wall = 0.0_wp
[51]	501	ENDIF
	502
	503	!
[106]	504	!-- Arrays to store velocity data from t-dt and the phase speeds which
	505	!-- are needed for radiation boundary conditions
[73]	506	IF ( outflow_l ) THEN
[667]	507	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	508	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	509	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	510	ENDIF
	511	IF ( outflow_r ) THEN
[667]	512	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	513	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	514	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	515	ENDIF
[106]	516	IF ( outflow_l .OR. outflow_r ) THEN
[667]	517	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	518	c_w(nzb:nzt+1,nysg:nyng) )
[106]	519	ENDIF
[73]	520	IF ( outflow_s ) THEN
[667]	521	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	522	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	523	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	524	ENDIF
	525	IF ( outflow_n ) THEN
[667]	526	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	527	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	528	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	529	ENDIF
[106]	530	IF ( outflow_s .OR. outflow_n ) THEN
[667]	531	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	532	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	533	ENDIF
[996]	534	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	535	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	536	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	537	ENDIF
[73]	538
[978]	539
[1010]	540	#if ! defined( __nopointer )
[73]	541	!
[1]	542	!-- Initial assignment of the pointers
[1001]	543	e => e_1; e_p => e_2; te_m => e_3
[1032]	544	IF ( .NOT. neutral ) THEN
	545	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	546	ELSE
	547	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	548	ENDIF
[1001]	549	u => u_1; u_p => u_2; tu_m => u_3
	550	v => v_1; v_p => v_2; tv_m => v_3
	551	w => w_1; w_p => w_2; tw_m => w_3
[1]	552
[1001]	553	IF ( humidity .OR. passive_scalar ) THEN
	554	q => q_1; q_p => q_2; tq_m => q_3
[1053]	555	IF ( humidity ) THEN
	556	vpt => vpt_1
	557	IF ( cloud_physics ) THEN
	558	ql => ql_1
	559	IF ( icloud_scheme == 0 ) THEN
[1115]	560	qc => qc_1
	561	IF ( precipitation ) THEN
	562	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	563	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	564	ENDIF
[1053]	565	ENDIF
	566	ENDIF
	567	ENDIF
[1001]	568	IF ( cloud_droplets ) THEN
	569	ql => ql_1
	570	ql_c => ql_2
[1]	571	ENDIF
[1001]	572	ENDIF
[1]	573
[1001]	574	IF ( ocean ) THEN
	575	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	576	ENDIF
[1010]	577	#endif
[1]	578
	579	!
[709]	580	!-- Allocate arrays containing the RK coefficient for calculation of
	581	!-- perturbation pressure and turbulent fluxes. At this point values are
	582	!-- set for pressure calculation during initialization (where no timestep
	583	!-- is done). Further below the values needed within the timestep scheme
	584	!-- will be set.
	585	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	586	weight_pres(1:intermediate_timestep_count_max) )
[1340]	587	weight_substep = 1.0_wp
	588	weight_pres = 1.0_wp
[709]	589	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	590
	591	!
[1]	592	!-- Initialize model variables
[147]	593	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	594	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	595	!
	596	!-- First model run of a possible job queue.
	597	!-- Initial profiles of the variables must be computes.
	598	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	599	!
	600	!-- Use solutions of the 1D model as initial profiles,
	601	!-- start 1D model
	602	CALL init_1d_model
	603	!
	604	!-- Transfer initial profiles to the arrays of the 3D model
[667]	605	DO i = nxlg, nxrg
	606	DO j = nysg, nyng
[1]	607	e(:,j,i) = e1d
	608	kh(:,j,i) = kh1d
	609	km(:,j,i) = km1d
	610	pt(:,j,i) = pt_init
	611	u(:,j,i) = u1d
	612	v(:,j,i) = v1d
	613	ENDDO
	614	ENDDO
	615
[75]	616	IF ( humidity .OR. passive_scalar ) THEN
[667]	617	DO i = nxlg, nxrg
	618	DO j = nysg, nyng
[1]	619	q(:,j,i) = q_init
	620	ENDDO
	621	ENDDO
[1353]	622	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	623	precipitation ) THEN
[1053]	624	DO i = nxlg, nxrg
	625	DO j = nysg, nyng
[1340]	626	qr(:,j,i) = 0.0_wp
	627	nr(:,j,i) = 0.0_wp
[1053]	628	ENDDO
	629	ENDDO
[1115]	630	!
	631	!-- Initialze nc_1d with default value
	632	nc_1d(:) = nc_const
	633
[1053]	634	ENDIF
[1]	635	ENDIF
	636
	637	IF ( .NOT. constant_diffusion ) THEN
[667]	638	DO i = nxlg, nxrg
	639	DO j = nysg, nyng
[1]	640	e(:,j,i) = e1d
	641	ENDDO
	642	ENDDO
	643	!
	644	!-- Store initial profiles for output purposes etc.
	645	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	646
	647	IF ( prandtl_layer ) THEN
	648	rif = rif1d(nzb+1)
[1340]	649	ts = 0.0_wp ! could actually be computed more accurately in the
	650	! 1D model. Update when opportunity arises.
[1]	651	us = us1d
	652	usws = usws1d
	653	vsws = vsws1d
	654	ELSE
[1340]	655	ts = 0.0_wp ! must be set, because used in
	656	rif = 0.0_wp ! flowste
	657	us = 0.0_wp
	658	usws = 0.0_wp
	659	vsws = 0.0_wp
[1]	660	ENDIF
	661
	662	ELSE
[1340]	663	e = 0.0_wp ! must be set, because used in
	664	rif = 0.0_wp ! flowste
	665	ts = 0.0_wp
	666	us = 0.0_wp
	667	usws = 0.0_wp
	668	vsws = 0.0_wp
[1]	669	ENDIF
[102]	670	uswst = top_momentumflux_u
	671	vswst = top_momentumflux_v
[1]	672
	673	!
	674	!-- In every case qs = 0.0 (see also pt)
	675	!-- This could actually be computed more accurately in the 1D model.
	676	!-- Update when opportunity arises!
[1053]	677	IF ( humidity .OR. passive_scalar ) THEN
[1340]	678	qs = 0.0_wp
[1353]	679	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	680	precipitation ) THEN
[1340]	681	qrs = 0.0_wp
	682	nrs = 0.0_wp
[1053]	683	ENDIF
	684	ENDIF
[1]	685
	686	!
	687	!-- inside buildings set velocities back to zero
	688	IF ( topography /= 'flat' ) THEN
	689	DO i = nxl-1, nxr+1
	690	DO j = nys-1, nyn+1
[1340]	691	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	692	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	693	ENDDO
	694	ENDDO
[667]	695
[1]	696	!
	697	!-- WARNING: The extra boundary conditions set after running the
	698	!-- ------- 1D model impose an error on the divergence one layer
	699	!-- below the topography; need to correct later
	700	!-- ATTENTION: Provisional correction for Piacsek & Williams
	701	!-- --------- advection scheme: keep u and v zero one layer below
	702	!-- the topography.
[667]	703	IF ( ibc_uv_b == 1 ) THEN
	704	!
[1]	705	!-- Neumann condition
	706	DO i = nxl-1, nxr+1
	707	DO j = nys-1, nyn+1
	708	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	709	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	710	ENDDO
	711	ENDDO
	712
	713	ENDIF
	714
	715	ENDIF
	716
	717	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	718	THEN
[1241]	719
[1]	720	!
[1241]	721	!-- Overwrite initial profiles in case of nudging
	722	IF ( nudging ) THEN
	723	pt_init = ptnudge(:,1)
	724	u_init = unudge(:,1)
	725	v_init = vnudge(:,1)
	726	IF ( humidity .OR. passive_scalar ) THEN
	727	q_init = qnudge(:,1)
	728	ENDIF
	729
	730	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	731	'scalars from NUDGING_DATA are used.'
	732	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	733	ENDIF
	734
	735	!
[1]	736	!-- Use constructed initial profiles (velocity constant with height,
	737	!-- temperature profile with constant gradient)
[667]	738	DO i = nxlg, nxrg
	739	DO j = nysg, nyng
[1]	740	pt(:,j,i) = pt_init
	741	u(:,j,i) = u_init
	742	v(:,j,i) = v_init
	743	ENDDO
	744	ENDDO
[75]	745
[1]	746	!
[292]	747	!-- Set initial horizontal velocities at the lowest computational grid
	748	!-- levels to zero in order to avoid too small time steps caused by the
	749	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	750	!-- in the limiting formula!). The original values are stored to be later
	751	!-- used for volume flow control.
[667]	752	DO i = nxlg, nxrg
	753	DO j = nysg, nyng
[1340]	754	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	755	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
[1]	756	ENDDO
	757	ENDDO
	758
[75]	759	IF ( humidity .OR. passive_scalar ) THEN
[667]	760	DO i = nxlg, nxrg
	761	DO j = nysg, nyng
[1]	762	q(:,j,i) = q_init
	763	ENDDO
	764	ENDDO
[1115]	765	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	766	!
	767	!-- Initialze nc_1d with default value
	768	nc_1d(:) = nc_const
	769
	770	IF ( precipitation ) THEN
	771	DO i = nxlg, nxrg
	772	DO j = nysg, nyng
[1340]	773	qr(:,j,i) = 0.0_wp
	774	nr(:,j,i) = 0.0_wp
[1115]	775	ENDDO
[1053]	776	ENDDO
[1115]	777	ENDIF
	778
[1053]	779	ENDIF
[1]	780	ENDIF
	781
[94]	782	IF ( ocean ) THEN
[667]	783	DO i = nxlg, nxrg
	784	DO j = nysg, nyng
[94]	785	sa(:,j,i) = sa_init
	786	ENDDO
	787	ENDDO
	788	ENDIF
[1]	789
	790	IF ( constant_diffusion ) THEN
	791	km = km_constant
	792	kh = km / prandtl_number
[1340]	793	e = 0.0_wp
	794	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	795	DO k = nzb+1, nzt
[1340]	796	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	797	ENDDO
	798	km(nzb,:,:) = km(nzb+1,:,:)
	799	km(nzt+1,:,:) = km(nzt,:,:)
	800	kh = km / prandtl_number
	801	e = e_init
[1]	802	ELSE
[108]	803	IF ( .NOT. ocean ) THEN
[1340]	804	kh = 0.01_wp ! there must exist an initial diffusion, because
	805	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	806	! production terms, as long as not yet
	807	! e = (u/cm)*2 at k=nzb+1
	808	ELSE
[1340]	809	kh = 0.00001_wp
	810	km = 0.00001_wp
[108]	811	ENDIF
[1340]	812	e = 0.0_wp
[1]	813	ENDIF
[1340]	814	rif = 0.0_wp
	815	ts = 0.0_wp
	816	us = 0.0_wp
	817	usws = 0.0_wp
[102]	818	uswst = top_momentumflux_u
[1340]	819	vsws = 0.0_wp
[102]	820	vswst = top_momentumflux_v
[1340]	821	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	822
	823	!
	824	!-- Compute initial temperature field and other constants used in case
	825	!-- of a sloping surface
	826	IF ( sloping_surface ) CALL init_slope
	827
[46]	828	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	829	THEN
	830	!
	831	!-- Initialization will completely be done by the user
	832	CALL user_init_3d_model
	833
[1]	834	ENDIF
[667]	835	!
	836	!-- Bottom boundary
	837	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	838	u(nzb,:,:) = 0.0_wp
	839	v(nzb,:,:) = 0.0_wp
[667]	840	ENDIF
[1]	841
	842	!
[151]	843	!-- Apply channel flow boundary condition
[132]	844	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	845	u(nzt+1,:,:) = 0.0_wp
	846	v(nzt+1,:,:) = 0.0_wp
[132]	847	ENDIF
	848
	849	!
[1]	850	!-- Calculate virtual potential temperature
[1340]	851	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	852
	853	!
	854	!-- Store initial profiles for output purposes etc.
	855	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	856	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	857	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	858	hom(nzb,1,5,:) = 0.0_wp
	859	hom(nzb,1,6,:) = 0.0_wp
[1]	860	ENDIF
	861	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	862	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	863	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	864
[97]	865	IF ( ocean ) THEN
	866	!
	867	!-- Store initial salinity profile
	868	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	869	ENDIF
[1]	870
[75]	871	IF ( humidity ) THEN
[1]	872	!
	873	!-- Store initial profile of total water content, virtual potential
	874	!-- temperature
	875	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	876	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	877	IF ( cloud_physics .OR. cloud_droplets ) THEN
	878	!
	879	!-- Store initial profile of specific humidity and potential
	880	!-- temperature
	881	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	882	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	883	ENDIF
	884	ENDIF
	885
	886	IF ( passive_scalar ) THEN
	887	!
	888	!-- Store initial scalar profile
	889	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	890	ENDIF
	891
	892	!
[19]	893	!-- Initialize fluxes at bottom surface
[1]	894	IF ( use_surface_fluxes ) THEN
	895
	896	IF ( constant_heatflux ) THEN
	897	!
	898	!-- Heat flux is prescribed
	899	IF ( random_heatflux ) THEN
	900	CALL disturb_heatflux
	901	ELSE
	902	shf = surface_heatflux
	903	!
[1241]	904	!-- Initialize shf with data from external file LSF_DATA
	905	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	906	CALL ls_forcing_surf ( simulated_time )
	907	ENDIF
	908
	909	!
[1]	910	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	911	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	912	DO i = nxlg, nxrg
	913	DO j = nysg, nyng
[1]	914	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	915	shf(j,i) = wall_heatflux(0)
	916	ENDIF
	917	ENDDO
	918	ENDDO
	919	ENDIF
	920	ENDIF
	921	ENDIF
	922
	923	!
	924	!-- Determine the near-surface water flux
[75]	925	IF ( humidity .OR. passive_scalar ) THEN
[1115]	926	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	927	precipitation ) THEN
[1340]	928	qrsws = 0.0_wp
	929	nrsws = 0.0_wp
[1053]	930	ENDIF
[1]	931	IF ( constant_waterflux ) THEN
	932	qsws = surface_waterflux
[407]	933	!
	934	!-- Over topography surface_waterflux is replaced by
	935	!-- wall_humidityflux(0)
	936	IF ( TRIM( topography ) /= 'flat' ) THEN
	937	wall_qflux = wall_humidityflux
[667]	938	DO i = nxlg, nxrg
	939	DO j = nysg, nyng
[407]	940	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	941	qsws(j,i) = wall_qflux(0)
	942	ENDIF
	943	ENDDO
	944	ENDDO
	945	ENDIF
[1]	946	ENDIF
	947	ENDIF
	948
	949	ENDIF
	950
	951	!
[19]	952	!-- Initialize fluxes at top surface
[94]	953	!-- Currently, only the heatflux and salinity flux can be prescribed.
	954	!-- The latent flux is zero in this case!
[19]	955	IF ( use_top_fluxes ) THEN
	956
	957	IF ( constant_top_heatflux ) THEN
	958	!
	959	!-- Heat flux is prescribed
	960	tswst = top_heatflux
	961
[1053]	962	IF ( humidity .OR. passive_scalar ) THEN
[1340]	963	qswst = 0.0_wp
[1115]	964	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	965	precipitation ) THEN
[1340]	966	nrswst = 0.0_wp
	967	qrswst = 0.0_wp
[1053]	968	ENDIF
	969	ENDIF
[94]	970
	971	IF ( ocean ) THEN
[95]	972	saswsb = bottom_salinityflux
[94]	973	saswst = top_salinityflux
	974	ENDIF
[102]	975	ENDIF
[19]	976
[102]	977	!
	978	!-- Initialization in case of a coupled model run
	979	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	980	tswst = 0.0_wp
[102]	981	ENDIF
	982
[19]	983	ENDIF
	984
	985	!
[1]	986	!-- Initialize Prandtl layer quantities
	987	IF ( prandtl_layer ) THEN
	988
	989	z0 = roughness_length
[978]	990	z0h = z0h_factor * z0
[1]	991
	992	IF ( .NOT. constant_heatflux ) THEN
	993	!
	994	!-- Surface temperature is prescribed. Here the heat flux cannot be
	995	!-- simply estimated, because therefore rif, u* and theta* would have
	996	!-- to be computed by iteration. This is why the heat flux is assumed
	997	!-- to be zero before the first time step. It approaches its correct
	998	!-- value in the course of the first few time steps.
[1340]	999	shf = 0.0_wp
[1]	1000	ENDIF
	1001
[75]	1002	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1003	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1115]	1004	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1005	precipitation ) THEN
[1340]	1006	qrsws = 0.0_wp
	1007	nrsws = 0.0_wp
[1053]	1008	ENDIF
[1]	1009	ENDIF
	1010
	1011	ENDIF
	1012
[1179]	1013	!
	1014	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1015	!-- the reference state will be set (overwritten) in init_ocean)
	1016	IF ( use_single_reference_value ) THEN
	1017	IF ( .NOT. humidity ) THEN
	1018	ref_state(:) = pt_reference
	1019	ELSE
	1020	ref_state(:) = vpt_reference
	1021	ENDIF
	1022	ELSE
	1023	IF ( .NOT. humidity ) THEN
	1024	ref_state(:) = pt_init(:)
	1025	ELSE
	1026	ref_state(:) = vpt(:,nys,nxl)
	1027	ENDIF
	1028	ENDIF
[152]	1029
	1030	!
[707]	1031	!-- For the moment, vertical velocity is zero
[1340]	1032	w = 0.0_wp
[1]	1033
	1034	!
	1035	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1036	sums = 0.0_wp
[1]	1037
	1038	!
[707]	1039	!-- In case of iterative solvers, p must get an initial value
[1340]	1040	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1041
	1042	!
[72]	1043	!-- Treating cloud physics, liquid water content and precipitation amount
	1044	!-- are zero at beginning of the simulation
	1045	IF ( cloud_physics ) THEN
[1340]	1046	ql = 0.0_wp
	1047	IF ( precipitation ) precipitation_amount = 0.0_wp
[1115]	1048	IF ( icloud_scheme == 0 ) THEN
[1340]	1049	qc = 0.0_wp
[1115]	1050	nc_1d = nc_const
	1051	ENDIF
[72]	1052	ENDIF
[673]	1053	!
[1]	1054	!-- Impose vortex with vertical axis on the initial velocity profile
	1055	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1056	CALL init_rankine
	1057	ENDIF
	1058
	1059	!
	1060	!-- Impose temperature anomaly (advection test only)
	1061	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1062	CALL init_pt_anomaly
	1063	ENDIF
	1064
	1065	!
	1066	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1067	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1068	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1069	ENDIF
	1070
	1071	!
	1072	!-- If required, change the surface humidity/scalar at the start of the 3D
	1073	!-- run
[75]	1074	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1075	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1076	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1077	ENDIF
	1078	!
	1079	!-- Initialize the random number generator (from numerical recipes)
	1080	CALL random_function_ini
	1081
	1082	!
	1083	!-- Initialize old and new time levels.
[1340]	1084	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]	1085	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1086
[75]	1087	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1088	tq_m = 0.0_wp
[1]	1089	q_p = q
[1115]	1090	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1091	precipitation ) THEN
[1340]	1092	tqr_m = 0.0_wp
[1053]	1093	qr_p = qr
[1340]	1094	tnr_m = 0.0_wp
[1053]	1095	nr_p = nr
	1096	ENDIF
[1]	1097	ENDIF
	1098
[94]	1099	IF ( ocean ) THEN
[1340]	1100	tsa_m = 0.0_wp
[94]	1101	sa_p = sa
	1102	ENDIF
[667]	1103
[94]	1104
[147]	1105	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1106	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1107	THEN
	1108	!
[767]	1109	!-- When reading data for cyclic fill of 3D prerun data files, read
	1110	!-- some of the global variables from the restart file which are required
	1111	!-- for initializing the inflow
[328]	1112	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1113
[759]	1114	DO i = 0, io_blocks-1
	1115	IF ( i == io_group ) THEN
	1116	CALL read_parts_of_var_list
	1117	CALL close_file( 13 )
	1118	ENDIF
	1119	#if defined( __parallel )
	1120	CALL MPI_BARRIER( comm2d, ierr )
	1121	#endif
	1122	ENDDO
[328]	1123
[767]	1124	ENDIF
	1125
[151]	1126	!
[767]	1127	!-- Read binary data from restart file
	1128	DO i = 0, io_blocks-1
	1129	IF ( i == io_group ) THEN
	1130	CALL read_3d_binary
	1131	ENDIF
	1132	#if defined( __parallel )
	1133	CALL MPI_BARRIER( comm2d, ierr )
	1134	#endif
	1135	ENDDO
	1136
[328]	1137	!
[767]	1138	!-- Initialization of the turbulence recycling method
	1139	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1140	turbulent_inflow ) THEN
	1141	!
	1142	!-- First store the profiles to be used at the inflow.
	1143	!-- These profiles are the (temporally) and horizontally averaged vertical
	1144	!-- profiles from the prerun. Alternatively, prescribed profiles
	1145	!-- for u,v-components can be used.
	1146	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1147
[767]	1148	IF ( use_prescribed_profile_data ) THEN
	1149	mean_inflow_profiles(:,1) = u_init ! u
	1150	mean_inflow_profiles(:,2) = v_init ! v
	1151	ELSE
[328]	1152	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1153	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1154	ENDIF
	1155	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1156	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1157
	1158	!
[767]	1159	!-- If necessary, adjust the horizontal flow field to the prescribed
	1160	!-- profiles
	1161	IF ( use_prescribed_profile_data ) THEN
	1162	DO i = nxlg, nxrg
[667]	1163	DO j = nysg, nyng
[328]	1164	DO k = nzb, nzt+1
[767]	1165	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1166	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1167	ENDDO
[151]	1168	ENDDO
[767]	1169	ENDDO
	1170	ENDIF
[151]	1171
	1172	!
[767]	1173	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1174	!-- conditions are used)
	1175	IF ( inflow_l ) THEN
	1176	DO j = nysg, nyng
	1177	DO k = nzb, nzt+1
	1178	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1179	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1180	w(k,j,nxlg:-1) = 0.0_wp
[767]	1181	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1182	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1183	ENDDO
	1184	ENDDO
	1185	ENDIF
	1186
[151]	1187	!
[767]	1188	!-- Calculate the damping factors to be used at the inflow. For a
	1189	!-- turbulent inflow the turbulent fluctuations have to be limited
	1190	!-- vertically because otherwise the turbulent inflow layer will grow
	1191	!-- in time.
[1340]	1192	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1193	!
	1194	!-- Default: use the inversion height calculated by the prerun; if
	1195	!-- this is zero, inflow_damping_height must be explicitly
	1196	!-- specified.
[1340]	1197	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1198	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1199	ELSE
	1200	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1201	'explicitly specified because&the inversion height ', &
	1202	'calculated by the prerun is zero.'
	1203	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1204	ENDIF
[151]	1205
[767]	1206	ENDIF
	1207
[1340]	1208	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1209	!
[767]	1210	!-- Default for the transition range: one tenth of the undamped
	1211	!-- layer
[1340]	1212	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1213
[767]	1214	ENDIF
[151]	1215
[767]	1216	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1217
[767]	1218	DO k = nzb, nzt+1
[151]	1219
[767]	1220	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1221	inflow_damping_factor(k) = 1.0_wp
[996]	1222	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1223	inflow_damping_factor(k) = 1.0_wp - &
[996]	1224	( zu(k) - inflow_damping_height ) / &
	1225	inflow_damping_width
[767]	1226	ELSE
[1340]	1227	inflow_damping_factor(k) = 0.0_wp
[767]	1228	ENDIF
[151]	1229
[767]	1230	ENDDO
[151]	1231
[147]	1232	ENDIF
	1233
[152]	1234	!
[359]	1235	!-- Inside buildings set velocities and TKE back to zero
	1236	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1237	topography /= 'flat' ) THEN
	1238	!
	1239	!-- Inside buildings set velocities and TKE back to zero.
	1240	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1241	!-- maybe revise later.
[1001]	1242	DO i = nxlg, nxrg
	1243	DO j = nysg, nyng
[1340]	1244	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1245	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1246	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1247	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1248	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1249	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1250	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1251	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1252	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1253	ENDDO
[1001]	1254	ENDDO
[359]	1255
	1256	ENDIF
	1257
	1258	!
[1]	1259	!-- Calculate initial temperature field and other constants used in case
	1260	!-- of a sloping surface
	1261	IF ( sloping_surface ) CALL init_slope
	1262
	1263	!
	1264	!-- Initialize new time levels (only done in order to set boundary values
	1265	!-- including ghost points)
	1266	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1267	IF ( humidity .OR. passive_scalar ) THEN
	1268	q_p = q
[1115]	1269	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1270	precipitation ) THEN
[1053]	1271	qr_p = qr
	1272	nr_p = nr
	1273	ENDIF
	1274	ENDIF
[94]	1275	IF ( ocean ) sa_p = sa
[1]	1276
[181]	1277	!
	1278	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1279	!-- have to be predefined here because they are used (but multiplied with 0)
	1280	!-- there before they are set.
[1340]	1281	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]	1282	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1283	tq_m = 0.0_wp
[1115]	1284	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1285	precipitation ) THEN
[1340]	1286	tqr_m = 0.0_wp
	1287	tnr_m = 0.0_wp
[1053]	1288	ENDIF
	1289	ENDIF
[1340]	1290	IF ( ocean ) tsa_m = 0.0_wp
[181]	1291
[1]	1292	ELSE
	1293	!
	1294	!-- Actually this part of the programm should not be reached
[254]	1295	message_string = 'unknown initializing problem'
	1296	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1297	ENDIF
	1298
[151]	1299
	1300	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1301	!
[151]	1302	!-- Initialize old timelevels needed for radiation boundary conditions
	1303	IF ( outflow_l ) THEN
	1304	u_m_l(:,:,:) = u(:,:,1:2)
	1305	v_m_l(:,:,:) = v(:,:,0:1)
	1306	w_m_l(:,:,:) = w(:,:,0:1)
	1307	ENDIF
	1308	IF ( outflow_r ) THEN
	1309	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1310	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1311	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1312	ENDIF
	1313	IF ( outflow_s ) THEN
	1314	u_m_s(:,:,:) = u(:,0:1,:)
	1315	v_m_s(:,:,:) = v(:,1:2,:)
	1316	w_m_s(:,:,:) = w(:,0:1,:)
	1317	ENDIF
	1318	IF ( outflow_n ) THEN
	1319	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1320	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1321	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1322	ENDIF
[667]	1323
[151]	1324	ENDIF
[680]	1325
[667]	1326	!
	1327	!-- Calculate the initial volume flow at the right and north boundary
[709]	1328	IF ( conserve_volume_flow ) THEN
[151]	1329
[767]	1330	IF ( use_prescribed_profile_data ) THEN
[667]	1331
[1340]	1332	volume_flow_initial_l = 0.0_wp
	1333	volume_flow_area_l = 0.0_wp
[732]	1334
[667]	1335	IF ( nxr == nx ) THEN
	1336	DO j = nys, nyn
[709]	1337	DO k = nzb_2d(j,nx)+1, nzt
[667]	1338	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1339	u_init(k) * dzw(k)
	1340	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1341	ENDDO
	1342	ENDDO
	1343	ENDIF
	1344
	1345	IF ( nyn == ny ) THEN
	1346	DO i = nxl, nxr
	1347	DO k = nzb_2d(ny,i)+1, nzt
	1348	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1349	v_init(k) * dzw(k)
	1350	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1351	ENDDO
	1352	ENDDO
	1353	ENDIF
	1354
	1355	#if defined( __parallel )
	1356	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1357	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1358	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1359	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1360
	1361	#else
	1362	volume_flow_initial = volume_flow_initial_l
	1363	volume_flow_area = volume_flow_area_l
	1364	#endif
	1365
	1366	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1367
[1340]	1368	volume_flow_initial_l = 0.0_wp
	1369	volume_flow_area_l = 0.0_wp
[767]	1370
	1371	IF ( nxr == nx ) THEN
	1372	DO j = nys, nyn
	1373	DO k = nzb_2d(j,nx)+1, nzt
	1374	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1375	hom_sum(k,1,0) * dzw(k)
	1376	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1377	ENDDO
	1378	ENDDO
	1379	ENDIF
	1380
	1381	IF ( nyn == ny ) THEN
	1382	DO i = nxl, nxr
[709]	1383	DO k = nzb_2d(ny,i)+1, nzt
[667]	1384	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1385	hom_sum(k,2,0) * dzw(k)
[667]	1386	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1387	ENDDO
	1388	ENDDO
	1389	ENDIF
	1390
[732]	1391	#if defined( __parallel )
	1392	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1393	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1394	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1395	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1396
	1397	#else
	1398	volume_flow_initial = volume_flow_initial_l
	1399	volume_flow_area = volume_flow_area_l
	1400	#endif
	1401
[667]	1402	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1403
[1340]	1404	volume_flow_initial_l = 0.0_wp
	1405	volume_flow_area_l = 0.0_wp
[732]	1406
[667]	1407	IF ( nxr == nx ) THEN
	1408	DO j = nys, nyn
[709]	1409	DO k = nzb_2d(j,nx)+1, nzt
[667]	1410	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1411	u(k,j,nx) * dzw(k)
[667]	1412	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1413	ENDDO
	1414	ENDDO
	1415	ENDIF
	1416
	1417	IF ( nyn == ny ) THEN
	1418	DO i = nxl, nxr
[709]	1419	DO k = nzb_2d(ny,i)+1, nzt
[667]	1420	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1421	v(k,ny,i) * dzw(k)
	1422	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1423	ENDDO
	1424	ENDDO
	1425	ENDIF
	1426
	1427	#if defined( __parallel )
[732]	1428	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1429	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1430	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1431	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1432
	1433	#else
[732]	1434	volume_flow_initial = volume_flow_initial_l
	1435	volume_flow_area = volume_flow_area_l
[667]	1436	#endif
	1437
[732]	1438	ENDIF
	1439
[151]	1440	!
[709]	1441	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1442	!-- from u\|v_bulk instead
[680]	1443	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1444	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1445	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1446	ENDIF
[667]	1447
[680]	1448	ENDIF
	1449
[787]	1450	!
	1451	!-- Initialize quantities for special advections schemes
	1452	CALL init_advec
[680]	1453
[667]	1454	!
[680]	1455	!-- Impose random perturbation on the horizontal velocity field and then
	1456	!-- remove the divergences from the velocity field at the initial stage
	1457	IF ( create_disturbances .AND. &
	1458	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1459	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1460
	1461	CALL disturb_field( nzb_u_inner, tend, u )
	1462	CALL disturb_field( nzb_v_inner, tend, v )
	1463	n_sor = nsor_ini
[1221]	1464	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1465	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1466	!$acc copyin( weight_pres, weight_substep ) &
	1467	!$acc copy( tri, tric, u, v, w )
[680]	1468	CALL pres
[1111]	1469	!$acc end data
[680]	1470	n_sor = nsor
	1471	ENDIF
	1472
	1473	!
[138]	1474	!-- Initialization of the leaf area density
[709]	1475	IF ( plant_canopy ) THEN
[138]	1476
	1477	SELECT CASE ( TRIM( canopy_mode ) )
	1478
	1479	CASE( 'block' )
	1480
[667]	1481	DO i = nxlg, nxrg
	1482	DO j = nysg, nyng
[138]	1483	lad_s(:,j,i) = lad(:)
	1484	cdc(:,j,i) = drag_coefficient
[709]	1485	IF ( passive_scalar ) THEN
[153]	1486	sls(:,j,i) = leaf_surface_concentration
	1487	sec(:,j,i) = scalar_exchange_coefficient
	1488	ENDIF
[138]	1489	ENDDO
	1490	ENDDO
	1491
	1492	CASE DEFAULT
	1493
	1494	!
	1495	!-- The DEFAULT case is reached either if the parameter
	1496	!-- canopy mode contains a wrong character string or if the
	1497	!-- user has coded a special case in the user interface.
	1498	!-- There, the subroutine user_init_plant_canopy checks
	1499	!-- which of these two conditions applies.
	1500	CALL user_init_plant_canopy
	1501
	1502	END SELECT
	1503
[667]	1504	CALL exchange_horiz( lad_s, nbgp )
	1505	CALL exchange_horiz( cdc, nbgp )
[138]	1506
[709]	1507	IF ( passive_scalar ) THEN
[667]	1508	CALL exchange_horiz( sls, nbgp )
	1509	CALL exchange_horiz( sec, nbgp )
[153]	1510	ENDIF
	1511
	1512	!
	1513	!-- Sharp boundaries of the plant canopy in horizontal directions
	1514	!-- In vertical direction the interpolation is retained, as the leaf
	1515	!-- area density is initialised by prescribing a vertical profile
	1516	!-- consisting of piecewise linear segments. The upper boundary
	1517	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1518
[138]	1519	DO i = nxl, nxr
	1520	DO j = nys, nyn
	1521	DO k = nzb, nzt+1
[1340]	1522	IF ( lad_s(k,j,i) > 0.0_wp ) THEN
[153]	1523	lad_u(k,j,i) = lad_s(k,j,i)
	1524	lad_u(k,j,i+1) = lad_s(k,j,i)
	1525	lad_v(k,j,i) = lad_s(k,j,i)
	1526	lad_v(k,j+1,i) = lad_s(k,j,i)
	1527	ENDIF
[138]	1528	ENDDO
	1529	DO k = nzb, nzt
[1340]	1530	lad_w(k,j,i) = 0.5_wp * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
[138]	1531	ENDDO
	1532	ENDDO
	1533	ENDDO
	1534
[1340]	1535	lad_w(pch_index,:,:) = 0.0_wp
[153]	1536	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1537
[667]	1538	CALL exchange_horiz( lad_u, nbgp )
	1539	CALL exchange_horiz( lad_v, nbgp )
	1540	CALL exchange_horiz( lad_w, nbgp )
[153]	1541
	1542	!
	1543	!-- Initialisation of the canopy heat source distribution
[1340]	1544	IF ( cthf /= 0.0_wp ) THEN
[153]	1545	!
	1546	!-- Piecewise evaluation of the leaf area index by
	1547	!-- integration of the leaf area density
[1340]	1548	lai(:,:,:) = 0.0_wp
[667]	1549	DO i = nxlg, nxrg
	1550	DO j = nysg, nyng
[153]	1551	DO k = pch_index-1, 0, -1
	1552	lai(k,j,i) = lai(k+1,j,i) + &
[1340]	1553	( 0.5_wp * ( lad_w(k+1,j,i) + &
[153]	1554	lad_s(k+1,j,i) ) * &
	1555	( zw(k+1) - zu(k+1) ) ) + &
[1340]	1556	( 0.5_wp * ( lad_w(k,j,i) + &
[153]	1557	lad_s(k+1,j,i) ) * &
	1558	( zu(k+1) - zw(k) ) )
	1559	ENDDO
	1560	ENDDO
	1561	ENDDO
	1562
	1563	!
	1564	!-- Evaluation of the upward kinematic vertical heat flux within the
	1565	!-- canopy
[667]	1566	DO i = nxlg, nxrg
	1567	DO j = nysg, nyng
[153]	1568	DO k = 0, pch_index
	1569	canopy_heat_flux(k,j,i) = cthf * &
[1340]	1570	exp( -0.6_wp * lai(k,j,i) )
[153]	1571	ENDDO
	1572	ENDDO
	1573	ENDDO
	1574
	1575	!
	1576	!-- The near surface heat flux is derived from the heat flux
	1577	!-- distribution within the canopy
	1578	shf(:,:) = canopy_heat_flux(0,:,:)
	1579
	1580	ENDIF
	1581
[138]	1582	ENDIF
	1583
	1584	!
[1]	1585	!-- If required, initialize dvrp-software
[1340]	1586	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1587
[96]	1588	IF ( ocean ) THEN
[1]	1589	!
[96]	1590	!-- Initialize quantities needed for the ocean model
	1591	CALL init_ocean
[388]	1592
[96]	1593	ELSE
	1594	!
	1595	!-- Initialize quantities for handling cloud physics
[849]	1596	!-- This routine must be called before lpm_init, because
[96]	1597	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1598	!-- lpm_init) is not defined.
[96]	1599	CALL init_cloud_physics
	1600	ENDIF
[1]	1601
	1602	!
	1603	!-- If required, initialize particles
[849]	1604	IF ( particle_advection ) CALL lpm_init
[1]	1605
	1606	!
[673]	1607	!-- Initialize the ws-scheme.
	1608	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1609
	1610	!
[709]	1611	!-- Setting weighting factors for calculation of perturbation pressure
	1612	!-- and turbulent quantities from the RK substeps
	1613	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1614
[1322]	1615	weight_substep(1) = 1._wp/6._wp
	1616	weight_substep(2) = 3._wp/10._wp
	1617	weight_substep(3) = 8._wp/15._wp
[709]	1618
[1322]	1619	weight_pres(1) = 1._wp/3._wp
	1620	weight_pres(2) = 5._wp/12._wp
	1621	weight_pres(3) = 1._wp/4._wp
[709]	1622
	1623	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1624
[1322]	1625	weight_substep(1) = 1._wp/2._wp
	1626	weight_substep(2) = 1._wp/2._wp
[673]	1627
[1322]	1628	weight_pres(1) = 1._wp/2._wp
	1629	weight_pres(2) = 1._wp/2._wp
[709]	1630
[1001]	1631	ELSE ! for Euler-method
[709]	1632
[1340]	1633	weight_substep(1) = 1.0_wp
	1634	weight_pres(1) = 1.0_wp
[709]	1635
[673]	1636	ENDIF
	1637
	1638	!
[1]	1639	!-- Initialize Rayleigh damping factors
[1340]	1640	rdf = 0.0_wp
	1641	rdf_sc = 0.0_wp
	1642	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[108]	1643	IF ( .NOT. ocean ) THEN
	1644	DO k = nzb+1, nzt
	1645	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1646	rdf(k) = rayleigh_damping_factor * &
[1340]	1647	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
	1648	/ ( zu(nzt) - rayleigh_damping_height ) )&
[1]	1649	)**2
[108]	1650	ENDIF
	1651	ENDDO
	1652	ELSE
	1653	DO k = nzt, nzb+1, -1
	1654	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1655	rdf(k) = rayleigh_damping_factor * &
[1340]	1656	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
	1657	/ ( rayleigh_damping_height - zu(nzb+1)))&
[108]	1658	)**2
	1659	ENDIF
	1660	ENDDO
	1661	ENDIF
[1]	1662	ENDIF
[785]	1663	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1664
	1665	!
[240]	1666	!-- Initialize the starting level and the vertical smoothing factor used for
	1667	!-- the external pressure gradient
[1340]	1668	dp_smooth_factor = 1.0_wp
[240]	1669	IF ( dp_external ) THEN
	1670	!
	1671	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1672	!-- (e.g. in init_grid).
	1673	IF ( dp_level_ind_b == 0 ) THEN
	1674	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1675	dp_level_ind_b = ind_array(1) - 1 + nzb
	1676	! MINLOC uses lower array bound 1
	1677	ENDIF
	1678	IF ( dp_smooth ) THEN
[1340]	1679	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1680	DO k = dp_level_ind_b+1, nzt
[1340]	1681	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1682	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1683	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1684	ENDDO
	1685	ENDIF
	1686	ENDIF
	1687
	1688	!
[978]	1689	!-- Initialize damping zone for the potential temperature in case of
	1690	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1691	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1692	ptdf_x = 0.0_wp
	1693	ptdf_y = 0.0_wp
[1159]	1694	IF ( bc_lr_dirrad ) THEN
[996]	1695	DO i = nxl, nxr
[978]	1696	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1697	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1698	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
	1699	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1700	ENDIF
	1701	ENDDO
[1159]	1702	ELSEIF ( bc_lr_raddir ) THEN
[996]	1703	DO i = nxl, nxr
[978]	1704	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1705	ptdf_x(i) = pt_damping_factor * &
[1340]	1706	SIN( pi * 0.5_wp * &
	1707	( ( i - nx ) * dx + pt_damping_width ) / &
	1708	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1709	ENDIF
[978]	1710	ENDDO
[1159]	1711	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1712	DO j = nys, nyn
[978]	1713	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1714	ptdf_y(j) = pt_damping_factor * &
[1340]	1715	SIN( pi * 0.5_wp * &
	1716	( ( j - ny ) * dy + pt_damping_width ) / &
	1717	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1718	ENDIF
[978]	1719	ENDDO
[1159]	1720	ELSEIF ( bc_ns_raddir ) THEN
[996]	1721	DO j = nys, nyn
[978]	1722	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1723	ptdf_y(j) = pt_damping_factor * &
[1340]	1724	SIN( pi * 0.5_wp * &
	1725	( pt_damping_width - j * dy ) / &
	1726	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1727	ENDIF
[73]	1728	ENDDO
[1]	1729	ENDIF
	1730
	1731	!
[709]	1732	!-- Initialize local summation arrays for routine flow_statistics.
	1733	!-- This is necessary because they may not yet have been initialized when they
	1734	!-- are called from flow_statistics (or - depending on the chosen model run -
	1735	!-- are never initialized)
[1340]	1736	sums_divnew_l = 0.0_wp
	1737	sums_divold_l = 0.0_wp
	1738	sums_l_l = 0.0_wp
	1739	sums_up_fraction_l = 0.0_wp
	1740	sums_wsts_bc_l = 0.0_wp
[1]	1741
	1742	!
	1743	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1744	!-- Ghost points are excluded because counting values at the ghost boundaries
	1745	!-- would bias the statistics
[1340]	1746	rmask = 1.0_wp
	1747	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1748	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1749
	1750	!
[51]	1751	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1752	!-- of allowed timeseries is exceeded
[1]	1753	CALL user_init
	1754
[51]	1755	IF ( dots_num > dots_max ) THEN
[254]	1756	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1757	' its maximum of dots_max = ', dots_max, &
[254]	1758	' &Please increase dots_max in modules.f90.'
	1759	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1760	ENDIF
	1761
[1]	1762	!
	1763	!-- Input binary data file is not needed anymore. This line must be placed
	1764	!-- after call of user_init!
	1765	CALL close_file( 13 )
	1766
	1767	!
	1768	!-- Compute total sum of active mask grid points
	1769	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1770	!-- total domain
	1771	!-- ngp_3d: number of grid points of the total domain
[132]	1772	ngp_2dh_outer_l = 0
	1773	ngp_2dh_outer = 0
	1774	ngp_2dh_s_inner_l = 0
	1775	ngp_2dh_s_inner = 0
	1776	ngp_2dh_l = 0
	1777	ngp_2dh = 0
[1340]	1778	ngp_3d_inner_l = 0.0_wp
[132]	1779	ngp_3d_inner = 0
	1780	ngp_3d = 0
	1781	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1782
	1783	DO sr = 0, statistic_regions
	1784	DO i = nxl, nxr
	1785	DO j = nys, nyn
[1340]	1786	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1787	!
	1788	!-- All xy-grid points
	1789	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1790	!
	1791	!-- xy-grid points above topography
	1792	DO k = nzb_s_outer(j,i), nz + 1
	1793	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1794	ENDDO
[132]	1795	DO k = nzb_s_inner(j,i), nz + 1
	1796	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1797	ENDDO
[1]	1798	!
	1799	!-- All grid points of the total domain above topography
	1800	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1801	( nz - nzb_s_inner(j,i) + 2 )
	1802	ENDIF
	1803	ENDDO
	1804	ENDDO
	1805	ENDDO
	1806
	1807	sr = statistic_regions + 1
	1808	#if defined( __parallel )
[622]	1809	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1810	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1811	comm2d, ierr )
[622]	1812	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1813	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1814	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1815	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1816	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1817	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1818	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1819	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1820	MPI_SUM, comm2d, ierr )
[485]	1821	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1822	#else
[132]	1823	ngp_2dh = ngp_2dh_l
	1824	ngp_2dh_outer = ngp_2dh_outer_l
	1825	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1826	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1827	#endif
	1828
[560]	1829	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1830	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1831
	1832	!
	1833	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1834	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1835	!-- the respective subdomain lie below the surface topography
[667]	1836	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1837	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1838	ngp_3d_inner(:) )
[667]	1839	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1840
[485]	1841	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1842
	1843
	1844	END SUBROUTINE init_3d_model

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