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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1551

Last change on this file since 1551 was 1551, checked in by maronga, 10 years ago
land surface model released
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File size: 64.5 KB

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[1]	1	SUBROUTINE init_3d_model
	2
[1036]	3	!--------------------------------------------------------------------------------!
	4	! This file is part of PALM.
	5	!
	6	! PALM is free software: you can redistribute it and/or modify it under the terms
	7	! of the GNU General Public License as published by the Free Software Foundation,
	8	! either version 3 of the License, or (at your option) any later version.
	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[1310]	17	! Copyright 1997-2014 Leibniz Universitaet Hannover
[1036]	18	!--------------------------------------------------------------------------------!
	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[1551]	22	! Allocation of land surface arrays is now done in the subroutine init_lsm_arrays,
	23	! which is part of land_surface_model.
[1485]	24	!
	25	! Former revisions:
	26	! -----------------
	27	! $Id: init_3d_model.f90 1551 2015-03-03 14:18:16Z maronga $
	28	!
[1508]	29	! 1507 2014-12-10 12:14:18Z suehring
	30	! Bugfix: set horizontal velocity components to zero inside topography
	31	!
[1497]	32	! 1496 2014-12-02 17:25:50Z maronga
	33	! Added initialization of the land surface and radiation schemes
	34	!
[1485]	35	! 1484 2014-10-21 10:53:05Z kanani
[1484]	36	! Changes due to new module structure of the plant canopy model:
[1508]	37	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	38	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	39	! call of subroutine init_plant_canopy added.
[1341]	40	!
[1432]	41	! 1431 2014-07-15 14:47:17Z suehring
	42	! var_d added, in order to normalize spectra.
	43	!
[1430]	44	! 1429 2014-07-15 12:53:45Z knoop
	45	! Ensemble run capability added to parallel random number generator
	46	!
[1412]	47	! 1411 2014-05-16 18:01:51Z suehring
	48	! Initial horizontal velocity profiles were not set to zero at the first vertical
	49	! grid level in case of non-cyclic lateral boundary conditions.
	50	!
[1407]	51	! 1406 2014-05-16 13:47:01Z raasch
	52	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	53	! no-slip boundary condition for uv
	54	!
[1403]	55	! 1402 2014-05-09 14:25:13Z raasch
	56	! location messages modified
	57	!
[1401]	58	! 1400 2014-05-09 14:03:54Z knoop
	59	! Parallel random number generator added
	60	!
[1385]	61	! 1384 2014-05-02 14:31:06Z raasch
	62	! location messages added
	63	!
[1362]	64	! 1361 2014-04-16 15:17:48Z hoffmann
	65	! tend_* removed
	66	! Bugfix: w_subs is not allocated anymore if it is already allocated
	67	!
[1360]	68	! 1359 2014-04-11 17:15:14Z hoffmann
	69	! module lpm_init_mod added to use statements, because lpm_init has become a
	70	! module
	71	!
[1354]	72	! 1353 2014-04-08 15:21:23Z heinze
	73	! REAL constants provided with KIND-attribute
	74	!
[1341]	75	! 1340 2014-03-25 19:45:13Z kanani
	76	! REAL constants defined as wp-kind
	77	!
[1323]	78	! 1322 2014-03-20 16:38:49Z raasch
	79	! REAL constants defined as wp-kind
	80	! module interfaces removed
	81	!
[1321]	82	! 1320 2014-03-20 08:40:49Z raasch
	83	! ONLY-attribute added to USE-statements,
	84	! kind-parameters added to all INTEGER and REAL declaration statements,
	85	! kinds are defined in new module kinds,
	86	! revision history before 2012 removed,
	87	! comment fields (!:) to be used for variable explanations added to
	88	! all variable declaration statements
	89	!
[1317]	90	! 1316 2014-03-17 07:44:59Z heinze
	91	! Bugfix: allocation of w_subs
	92	!
[1300]	93	! 1299 2014-03-06 13:15:21Z heinze
	94	! Allocate w_subs due to extension of large scale subsidence in combination
	95	! with large scale forcing data (LSF_DATA)
	96	!
[1242]	97	! 1241 2013-10-30 11:36:58Z heinze
	98	! Overwrite initial profiles in case of nudging
	99	! Inititialize shf and qsws in case of large_scale_forcing
	100	!
[1222]	101	! 1221 2013-09-10 08:59:13Z raasch
	102	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	103	! copy
	104	!
[1213]	105	! 1212 2013-08-15 08:46:27Z raasch
	106	! array tri is allocated and included in data copy statement
	107	!
[1196]	108	! 1195 2013-07-01 12:27:57Z heinze
	109	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	110	!
[1182]	111	! 1179 2013-06-14 05:57:58Z raasch
	112	! allocate and set ref_state to be used in buoyancy terms
	113	!
[1172]	114	! 1171 2013-05-30 11:27:45Z raasch
	115	! diss array is allocated with full size if accelerator boards are used
	116	!
[1160]	117	! 1159 2013-05-21 11:58:22Z fricke
	118	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	119	!
[1154]	120	! 1153 2013-05-10 14:33:08Z raasch
	121	! diss array is allocated with dummy elements even if it is not needed
[1171]	122	! (required by PGI 13.4 / CUDA 5.0)
[1154]	123	!
[1116]	124	! 1115 2013-03-26 18:16:16Z hoffmann
	125	! unused variables removed
	126	!
[1114]	127	! 1113 2013-03-10 02:48:14Z raasch
	128	! openACC directive modified
	129	!
[1112]	130	! 1111 2013-03-08 23:54:10Z raasch
	131	! openACC directives added for pres
	132	! array diss allocated only if required
	133	!
[1093]	134	! 1092 2013-02-02 11:24:22Z raasch
	135	! unused variables removed
	136	!
[1066]	137	! 1065 2012-11-22 17:42:36Z hoffmann
	138	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	139	!
[1054]	140	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	141	! allocation and initialisation of necessary data arrays for the two-moment
	142	! cloud physics scheme the two new prognostic equations (nr, qr):
	143	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	144	! +tend_*, prr
[979]	145	!
[1037]	146	! 1036 2012-10-22 13:43:42Z raasch
	147	! code put under GPL (PALM 3.9)
	148	!
[1033]	149	! 1032 2012-10-21 13:03:21Z letzel
	150	! save memory by not allocating pt_2 in case of neutral = .T.
	151	!
[1026]	152	! 1025 2012-10-07 16:04:41Z letzel
	153	! bugfix: swap indices of mask for ghost boundaries
	154	!
[1017]	155	! 1015 2012-09-27 09:23:24Z raasch
	156	! mask is set to zero for ghost boundaries
	157	!
[1011]	158	! 1010 2012-09-20 07:59:54Z raasch
	159	! cpp switch __nopointer added for pointer free version
	160	!
[1004]	161	! 1003 2012-09-14 14:35:53Z raasch
	162	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	163	!
[1002]	164	! 1001 2012-09-13 14:08:46Z raasch
	165	! all actions concerning leapfrog scheme removed
	166	!
[997]	167	! 996 2012-09-07 10:41:47Z raasch
	168	! little reformatting
	169	!
[979]	170	! 978 2012-08-09 08:28:32Z fricke
[978]	171	! outflow damping layer removed
	172	! roughness length for scalar quantites z0h added
	173	! damping zone for the potential temperatur in case of non-cyclic lateral
	174	! boundaries added
	175	! initialization of ptdf_x, ptdf_y
	176	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	177	!
[850]	178	! 849 2012-03-15 10:35:09Z raasch
	179	! init_particles renamed lpm_init
	180	!
[826]	181	! 825 2012-02-19 03:03:44Z raasch
	182	! wang_collision_kernel renamed wang_kernel
	183	!
[1]	184	! Revision 1.1 1998/03/09 16:22:22 raasch
	185	! Initial revision
	186	!
	187	!
	188	! Description:
	189	! ------------
	190	! Allocation of arrays and initialization of the 3D model via
	191	! a) pre-run the 1D model
	192	! or
	193	! b) pre-set constant linear profiles
	194	! or
	195	! c) read values of a previous run
	196	!------------------------------------------------------------------------------!
	197
[667]	198	USE advec_ws
[1320]	199
[1]	200	USE arrays_3d
[1320]	201
	202	USE cloud_parameters, &
	203	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	204
	205	USE constants, &
	206	ONLY: pi
	207
[1]	208	USE control_parameters
[1320]	209
	210	USE grid_variables, &
	211	ONLY: dx, dy
	212
[1]	213	USE indices
[1359]	214
[1429]	215	USE lpm_init_mod, &
[1359]	216	ONLY: lpm_init
[1320]	217
	218	USE kinds
[1496]	219
	220	USE land_surface_model_mod, &
[1551]	221	ONLY: init_lsm, init_lsm_arrays, land_surface
[1496]	222
[1241]	223	USE ls_forcing_mod
[1320]	224
	225	USE model_1d, &
	226	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	227
[51]	228	USE netcdf_control
[1320]	229
	230	USE particle_attributes, &
	231	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	232
[1]	233	USE pegrid
[1320]	234
[1484]	235	USE plant_canopy_model_mod, &
	236	ONLY: init_plant_canopy, plant_canopy
[1496]	237
	238	USE radiation_model_mod, &
	239	ONLY: init_radiation, radiation
[1484]	240
[1320]	241	USE random_function_mod
	242
[1400]	243	USE random_generator_parallel, &
	244	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	245	id_random_array, seq_random_array
	246
[1320]	247	USE statistics, &
	248	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	249	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	250	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
[1431]	251	var_d, weight_pres, weight_substep
[1320]	252
	253	USE transpose_indices
[1]	254
	255	IMPLICIT NONE
	256
[1320]	257	INTEGER(iwp) :: i !:
	258	INTEGER(iwp) :: ind_array(1) !:
	259	INTEGER(iwp) :: j !:
	260	INTEGER(iwp) :: k !:
	261	INTEGER(iwp) :: sr !:
[1]	262
[1320]	263	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !:
[1]	264
[1320]	265	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !:
	266	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !:
[1]	267
[1320]	268	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !:
	269	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !:
[1]	270
[1320]	271	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !:
	272	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !:
[1]	273
[485]	274
[1402]	275	CALL location_message( 'allocating arrays', .FALSE. )
[1]	276	!
	277	!-- Allocate arrays
	278	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	279	ngp_3d(0:statistic_regions), &
	280	ngp_3d_inner(0:statistic_regions), &
	281	ngp_3d_inner_l(0:statistic_regions), &
[485]	282	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	283	sums_divnew_l(0:statistic_regions), &
	284	sums_divold_l(0:statistic_regions) )
[1195]	285	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	286	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	287	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	288	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	289	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	290	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	291	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	292	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	293	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	294	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	295	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	296	ts_value(dots_max,0:statistic_regions) )
[978]	297	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	298
[1001]	299	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	300	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	301	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	302	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	303	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	304	z0h(nysg:nyng,nxlg:nxrg) )
[1]	305
[1010]	306	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	307	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	308	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	309	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	310	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	311
	312	#if defined( __nopointer )
	313	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	314	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	315	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	316	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	317	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	318	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	319	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	320	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	321	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	322	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	323	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	324	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	325	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	326	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	327	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	328	#else
	329	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	330	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	331	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	332	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	333	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	334	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	335	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	336	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	339	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	340	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	342	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	343	IF ( .NOT. neutral ) THEN
	344	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	345	ENDIF
[1010]	346	#endif
	347
[673]	348	!
[707]	349	!-- Following array is required for perturbation pressure within the iterative
	350	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	351	!-- the weighted average of the substeps and cannot be used in the Poisson
	352	!-- solver.
	353	IF ( psolver == 'sor' ) THEN
	354	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	355	ELSEIF ( psolver == 'multigrid' ) THEN
	356	!
	357	!-- For performance reasons, multigrid is using one ghost layer only
	358	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	359	ENDIF
[1]	360
[1111]	361	!
	362	!-- Array for storing constant coeffficients of the tridiagonal solver
	363	IF ( psolver == 'poisfft' ) THEN
[1212]	364	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	365	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	366	ENDIF
	367
[75]	368	IF ( humidity .OR. passive_scalar ) THEN
[1]	369	!
[75]	370	!-- 2D-humidity/scalar arrays
[1001]	371	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	372	qsws(nysg:nyng,nxlg:nxrg), &
	373	qswst(nysg:nyng,nxlg:nxrg) )
[1]	374
	375	!
[75]	376	!-- 3D-humidity/scalar arrays
[1010]	377	#if defined( __nopointer )
	378	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	379	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	380	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	381	#else
[667]	382	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	383	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	384	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	385	#endif
[1]	386
	387	!
[75]	388	!-- 3D-arrays needed for humidity only
	389	IF ( humidity ) THEN
[1010]	390	#if defined( __nopointer )
	391	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	392	#else
[667]	393	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	394	#endif
[1]	395
	396	IF ( cloud_physics ) THEN
[1053]	397
[1]	398	!
	399	!-- Liquid water content
[1010]	400	#if defined( __nopointer )
	401	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	402	#else
[667]	403	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	404	#endif
[72]	405	!
	406	!-- Precipitation amount and rate (only needed if output is switched)
[667]	407	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	408	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	409
	410	IF ( icloud_scheme == 0 ) THEN
	411	!
[1115]	412	!-- 1D-arrays
	413	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	414	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	415	!
[1115]	416	!-- 3D-cloud water content
[1053]	417	#if defined( __nopointer )
[1115]	418	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	419	#else
[1115]	420	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	421	#endif
[1115]	422
	423	IF ( precipitation ) THEN
[1053]	424	!
[1115]	425	!-- 1D-arrays
	426	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
[1361]	427
[1115]	428	!
	429	!-- 2D-rain water content and rain drop concentration arrays
	430	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	431	qrsws(nysg:nyng,nxlg:nxrg), &
	432	qrswst(nysg:nyng,nxlg:nxrg), &
	433	nrs(nysg:nyng,nxlg:nxrg), &
	434	nrsws(nysg:nyng,nxlg:nxrg), &
	435	nrswst(nysg:nyng,nxlg:nxrg) )
	436	!
	437	!-- 3D-rain water content, rain drop concentration arrays
	438	#if defined( __nopointer )
	439	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	440	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	441	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	442	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	443	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	444	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	445	#else
	446	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	447	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	448	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	449	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	450	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	451	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	452	#endif
	453	!
	454	!-- 3d-precipitation rate
[1053]	455	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	456	ENDIF
	457
	458	ENDIF
[1]	459	ENDIF
	460
	461	IF ( cloud_droplets ) THEN
	462	!
[1010]	463	!-- Liquid water content, change in liquid water content
	464	#if defined( __nopointer )
	465	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	466	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	467	#else
[667]	468	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	469	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	470	#endif
	471	!
	472	!-- Real volume of particles (with weighting), volume of particles
	473	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	474	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	475	ENDIF
	476
	477	ENDIF
	478
	479	ENDIF
	480
[94]	481	IF ( ocean ) THEN
[1001]	482	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	483	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	484	#if defined( __nopointer )
	485	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	486	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	487	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	488	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	489	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	490	#else
[667]	491	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	492	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	493	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	494	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	495	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	496	prho => prho_1
	497	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	498	! density to be apointer
[1010]	499	#endif
[108]	500	IF ( humidity_remote ) THEN
[667]	501	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	502	qswst_remote = 0.0_wp
[108]	503	ENDIF
[94]	504	ENDIF
	505
[1]	506	!
	507	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	508	!-- particle velocities
[1171]	509	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	510	num_acc_per_node > 0 ) THEN
[1153]	511	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	512	ENDIF
	513
[1340]	514	IF ( dt_dosp /= 9999999.9_wp ) THEN
[1]	515	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	516	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[1340]	517	spectrum_x = 0.0_wp
	518	spectrum_y = 0.0_wp
[1431]	519
	520	ALLOCATE( var_d(nzb:nzt+1) )
	521	var_d = 0.0_wp
[1]	522	ENDIF
	523
	524	!
[1299]	525	!-- 1D-array for large scale subsidence velocity
[1361]	526	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	527	ALLOCATE ( w_subs(nzb:nzt+1) )
	528	w_subs = 0.0_wp
	529	ENDIF
[1299]	530
	531	!
[1400]	532	!-- ID-array and state-space-array for the parallel random number generator
	533	IF ( random_generator == 'random-parallel' ) THEN
	534	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	535	ALLOCATE ( id_random_array(0:ny,0:nx) )
	536	seq_random_array = 0
	537	id_random_array = 0
	538	ENDIF
	539
	540	!
[51]	541	!-- 4D-array for storing the Rif-values at vertical walls
	542	IF ( topography /= 'flat' ) THEN
[667]	543	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	544	rif_wall = 0.0_wp
[51]	545	ENDIF
	546
	547	!
[106]	548	!-- Arrays to store velocity data from t-dt and the phase speeds which
	549	!-- are needed for radiation boundary conditions
[73]	550	IF ( outflow_l ) THEN
[667]	551	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	552	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	553	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	554	ENDIF
	555	IF ( outflow_r ) THEN
[667]	556	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	557	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	558	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	559	ENDIF
[106]	560	IF ( outflow_l .OR. outflow_r ) THEN
[667]	561	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	562	c_w(nzb:nzt+1,nysg:nyng) )
[106]	563	ENDIF
[73]	564	IF ( outflow_s ) THEN
[667]	565	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	566	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	567	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	568	ENDIF
	569	IF ( outflow_n ) THEN
[667]	570	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	571	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	572	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	573	ENDIF
[106]	574	IF ( outflow_s .OR. outflow_n ) THEN
[667]	575	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	576	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	577	ENDIF
[996]	578	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	579	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	580	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	581	ENDIF
[73]	582
[978]	583
[1010]	584	#if ! defined( __nopointer )
[73]	585	!
[1]	586	!-- Initial assignment of the pointers
[1001]	587	e => e_1; e_p => e_2; te_m => e_3
[1032]	588	IF ( .NOT. neutral ) THEN
	589	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	590	ELSE
	591	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	592	ENDIF
[1001]	593	u => u_1; u_p => u_2; tu_m => u_3
	594	v => v_1; v_p => v_2; tv_m => v_3
	595	w => w_1; w_p => w_2; tw_m => w_3
[1]	596
[1001]	597	IF ( humidity .OR. passive_scalar ) THEN
	598	q => q_1; q_p => q_2; tq_m => q_3
[1053]	599	IF ( humidity ) THEN
	600	vpt => vpt_1
	601	IF ( cloud_physics ) THEN
	602	ql => ql_1
	603	IF ( icloud_scheme == 0 ) THEN
[1115]	604	qc => qc_1
	605	IF ( precipitation ) THEN
	606	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	607	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	608	ENDIF
[1053]	609	ENDIF
	610	ENDIF
	611	ENDIF
[1001]	612	IF ( cloud_droplets ) THEN
	613	ql => ql_1
	614	ql_c => ql_2
[1]	615	ENDIF
[1001]	616	ENDIF
[1]	617
[1001]	618	IF ( ocean ) THEN
	619	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	620	ENDIF
[1010]	621	#endif
[1]	622
	623	!
[1551]	624	!-- Allocate land surface model arrays
	625	IF ( land_surface ) THEN
	626	CALL init_lsm_arrays
	627	ENDIF
	628
	629	!
[709]	630	!-- Allocate arrays containing the RK coefficient for calculation of
	631	!-- perturbation pressure and turbulent fluxes. At this point values are
	632	!-- set for pressure calculation during initialization (where no timestep
	633	!-- is done). Further below the values needed within the timestep scheme
	634	!-- will be set.
	635	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	636	weight_pres(1:intermediate_timestep_count_max) )
[1340]	637	weight_substep = 1.0_wp
	638	weight_pres = 1.0_wp
[709]	639	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	640
[1402]	641	CALL location_message( 'finished', .TRUE. )
[673]	642	!
[1]	643	!-- Initialize model variables
[147]	644	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	645	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	646	!
	647	!-- First model run of a possible job queue.
	648	!-- Initial profiles of the variables must be computes.
	649	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	650
[1402]	651	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	652	!
	653	!-- Use solutions of the 1D model as initial profiles,
	654	!-- start 1D model
	655	CALL init_1d_model
	656	!
	657	!-- Transfer initial profiles to the arrays of the 3D model
[667]	658	DO i = nxlg, nxrg
	659	DO j = nysg, nyng
[1]	660	e(:,j,i) = e1d
	661	kh(:,j,i) = kh1d
	662	km(:,j,i) = km1d
	663	pt(:,j,i) = pt_init
	664	u(:,j,i) = u1d
	665	v(:,j,i) = v1d
	666	ENDDO
	667	ENDDO
	668
[75]	669	IF ( humidity .OR. passive_scalar ) THEN
[667]	670	DO i = nxlg, nxrg
	671	DO j = nysg, nyng
[1]	672	q(:,j,i) = q_init
	673	ENDDO
	674	ENDDO
[1353]	675	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	676	precipitation ) THEN
[1053]	677	DO i = nxlg, nxrg
	678	DO j = nysg, nyng
[1340]	679	qr(:,j,i) = 0.0_wp
	680	nr(:,j,i) = 0.0_wp
[1053]	681	ENDDO
	682	ENDDO
[1115]	683	!
	684	!-- Initialze nc_1d with default value
	685	nc_1d(:) = nc_const
	686
[1053]	687	ENDIF
[1]	688	ENDIF
	689
	690	IF ( .NOT. constant_diffusion ) THEN
[667]	691	DO i = nxlg, nxrg
	692	DO j = nysg, nyng
[1]	693	e(:,j,i) = e1d
	694	ENDDO
	695	ENDDO
	696	!
	697	!-- Store initial profiles for output purposes etc.
	698	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	699
	700	IF ( prandtl_layer ) THEN
	701	rif = rif1d(nzb+1)
[1340]	702	ts = 0.0_wp ! could actually be computed more accurately in the
	703	! 1D model. Update when opportunity arises.
[1]	704	us = us1d
	705	usws = usws1d
	706	vsws = vsws1d
	707	ELSE
[1340]	708	ts = 0.0_wp ! must be set, because used in
	709	rif = 0.0_wp ! flowste
	710	us = 0.0_wp
	711	usws = 0.0_wp
	712	vsws = 0.0_wp
[1]	713	ENDIF
	714
	715	ELSE
[1340]	716	e = 0.0_wp ! must be set, because used in
	717	rif = 0.0_wp ! flowste
	718	ts = 0.0_wp
	719	us = 0.0_wp
	720	usws = 0.0_wp
	721	vsws = 0.0_wp
[1]	722	ENDIF
[102]	723	uswst = top_momentumflux_u
	724	vswst = top_momentumflux_v
[1]	725
	726	!
	727	!-- In every case qs = 0.0 (see also pt)
	728	!-- This could actually be computed more accurately in the 1D model.
	729	!-- Update when opportunity arises!
[1053]	730	IF ( humidity .OR. passive_scalar ) THEN
[1340]	731	qs = 0.0_wp
[1353]	732	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	733	precipitation ) THEN
[1340]	734	qrs = 0.0_wp
	735	nrs = 0.0_wp
[1053]	736	ENDIF
	737	ENDIF
[1]	738
	739	!
	740	!-- inside buildings set velocities back to zero
	741	IF ( topography /= 'flat' ) THEN
	742	DO i = nxl-1, nxr+1
	743	DO j = nys-1, nyn+1
[1340]	744	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	745	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	746	ENDDO
	747	ENDDO
[667]	748
[1]	749	!
	750	!-- WARNING: The extra boundary conditions set after running the
	751	!-- ------- 1D model impose an error on the divergence one layer
	752	!-- below the topography; need to correct later
	753	!-- ATTENTION: Provisional correction for Piacsek & Williams
	754	!-- --------- advection scheme: keep u and v zero one layer below
	755	!-- the topography.
[667]	756	IF ( ibc_uv_b == 1 ) THEN
	757	!
[1]	758	!-- Neumann condition
	759	DO i = nxl-1, nxr+1
	760	DO j = nys-1, nyn+1
	761	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	762	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	763	ENDDO
	764	ENDDO
	765
	766	ENDIF
	767
	768	ENDIF
	769
[1402]	770	CALL location_message( 'finished', .TRUE. )
[1384]	771
[1]	772	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	773	THEN
[1241]	774
[1402]	775	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	776	!
[1241]	777	!-- Overwrite initial profiles in case of nudging
	778	IF ( nudging ) THEN
	779	pt_init = ptnudge(:,1)
	780	u_init = unudge(:,1)
	781	v_init = vnudge(:,1)
	782	IF ( humidity .OR. passive_scalar ) THEN
	783	q_init = qnudge(:,1)
	784	ENDIF
	785
	786	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	787	'scalars from NUDGING_DATA are used.'
	788	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	789	ENDIF
	790
	791	!
[1]	792	!-- Use constructed initial profiles (velocity constant with height,
	793	!-- temperature profile with constant gradient)
[667]	794	DO i = nxlg, nxrg
	795	DO j = nysg, nyng
[1]	796	pt(:,j,i) = pt_init
	797	u(:,j,i) = u_init
	798	v(:,j,i) = v_init
	799	ENDDO
	800	ENDDO
[75]	801
[1]	802	!
[292]	803	!-- Set initial horizontal velocities at the lowest computational grid
	804	!-- levels to zero in order to avoid too small time steps caused by the
	805	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	806	!-- in the limiting formula!). The original values are stored to be later
	807	!-- used for volume flow control.
[1507]	808	IF ( ibc_uv_b /= 1 ) THEN
[1406]	809	DO i = nxlg, nxrg
	810	DO j = nysg, nyng
	811	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	812	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	813	ENDDO
[1]	814	ENDDO
[1406]	815	ENDIF
[1]	816
[75]	817	IF ( humidity .OR. passive_scalar ) THEN
[667]	818	DO i = nxlg, nxrg
	819	DO j = nysg, nyng
[1]	820	q(:,j,i) = q_init
	821	ENDDO
	822	ENDDO
[1115]	823	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	824	!
	825	!-- Initialze nc_1d with default value
	826	nc_1d(:) = nc_const
	827
	828	IF ( precipitation ) THEN
	829	DO i = nxlg, nxrg
	830	DO j = nysg, nyng
[1340]	831	qr(:,j,i) = 0.0_wp
	832	nr(:,j,i) = 0.0_wp
[1115]	833	ENDDO
[1053]	834	ENDDO
[1115]	835	ENDIF
	836
[1053]	837	ENDIF
[1]	838	ENDIF
	839
[94]	840	IF ( ocean ) THEN
[667]	841	DO i = nxlg, nxrg
	842	DO j = nysg, nyng
[94]	843	sa(:,j,i) = sa_init
	844	ENDDO
	845	ENDDO
	846	ENDIF
[1]	847
	848	IF ( constant_diffusion ) THEN
	849	km = km_constant
	850	kh = km / prandtl_number
[1340]	851	e = 0.0_wp
	852	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	853	DO k = nzb+1, nzt
[1340]	854	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	855	ENDDO
	856	km(nzb,:,:) = km(nzb+1,:,:)
	857	km(nzt+1,:,:) = km(nzt,:,:)
	858	kh = km / prandtl_number
	859	e = e_init
[1]	860	ELSE
[108]	861	IF ( .NOT. ocean ) THEN
[1340]	862	kh = 0.01_wp ! there must exist an initial diffusion, because
	863	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	864	! production terms, as long as not yet
	865	! e = (u/cm)*2 at k=nzb+1
	866	ELSE
[1340]	867	kh = 0.00001_wp
	868	km = 0.00001_wp
[108]	869	ENDIF
[1340]	870	e = 0.0_wp
[1]	871	ENDIF
[1340]	872	rif = 0.0_wp
	873	ts = 0.0_wp
	874	us = 0.0_wp
	875	usws = 0.0_wp
[102]	876	uswst = top_momentumflux_u
[1340]	877	vsws = 0.0_wp
[102]	878	vswst = top_momentumflux_v
[1340]	879	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	880
	881	!
	882	!-- Compute initial temperature field and other constants used in case
	883	!-- of a sloping surface
	884	IF ( sloping_surface ) CALL init_slope
	885
[1402]	886	CALL location_message( 'finished', .TRUE. )
[1384]	887
[46]	888	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	889	THEN
[1384]	890
[1402]	891	CALL location_message( 'initializing by user', .FALSE. )
[46]	892	!
	893	!-- Initialization will completely be done by the user
	894	CALL user_init_3d_model
	895
[1402]	896	CALL location_message( 'finished', .TRUE. )
[1384]	897
[1]	898	ENDIF
[1384]	899
[1402]	900	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	901	.FALSE. )
[1384]	902
[667]	903	!
	904	!-- Bottom boundary
	905	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	906	u(nzb,:,:) = 0.0_wp
	907	v(nzb,:,:) = 0.0_wp
[667]	908	ENDIF
[1]	909
	910	!
[151]	911	!-- Apply channel flow boundary condition
[132]	912	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	913	u(nzt+1,:,:) = 0.0_wp
	914	v(nzt+1,:,:) = 0.0_wp
[132]	915	ENDIF
	916
	917	!
[1]	918	!-- Calculate virtual potential temperature
[1340]	919	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	920
	921	!
	922	!-- Store initial profiles for output purposes etc.
	923	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	924	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	925	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	926	hom(nzb,1,5,:) = 0.0_wp
	927	hom(nzb,1,6,:) = 0.0_wp
[1]	928	ENDIF
	929	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	930	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	931	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	932
[97]	933	IF ( ocean ) THEN
	934	!
	935	!-- Store initial salinity profile
	936	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	937	ENDIF
[1]	938
[75]	939	IF ( humidity ) THEN
[1]	940	!
	941	!-- Store initial profile of total water content, virtual potential
	942	!-- temperature
	943	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	944	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	945	IF ( cloud_physics .OR. cloud_droplets ) THEN
	946	!
	947	!-- Store initial profile of specific humidity and potential
	948	!-- temperature
	949	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	950	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	951	ENDIF
	952	ENDIF
	953
	954	IF ( passive_scalar ) THEN
	955	!
	956	!-- Store initial scalar profile
	957	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	958	ENDIF
	959
	960	!
[1400]	961	!-- Initialize the random number generators (from numerical recipes)
	962	CALL random_function_ini
[1429]	963
[1400]	964	IF ( random_generator == 'random-parallel' ) THEN
[1429]	965	!-- Asigning an ID to every vertical gridpoint column
	966	!-- dependig on the ensemble run number.
	967	random_dummy=1
[1400]	968	DO j=0,ny
	969	DO i=0,nx
[1429]	970	id_random_array(j,i) = random_dummy + 1E6 * ( ensemble_member_nr - 1000 )
	971	random_dummy = random_dummy + 1
[1400]	972	END DO
	973	ENDDO
[1429]	974	!-- Initializing with random_seed_parallel for every vertical
	975	!-- gridpoint column.
	976	random_dummy=0
[1400]	977	DO j = nysg, nyng
	978	DO i = nxlg, nxrg
	979	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	980	CALL random_number_parallel (random_dummy)
	981	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	982	END DO
	983	ENDDO
	984	ENDIF
	985
	986	!
[19]	987	!-- Initialize fluxes at bottom surface
[1]	988	IF ( use_surface_fluxes ) THEN
	989
	990	IF ( constant_heatflux ) THEN
	991	!
	992	!-- Heat flux is prescribed
	993	IF ( random_heatflux ) THEN
	994	CALL disturb_heatflux
	995	ELSE
	996	shf = surface_heatflux
	997	!
[1241]	998	!-- Initialize shf with data from external file LSF_DATA
	999	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	1000	CALL ls_forcing_surf ( simulated_time )
	1001	ENDIF
	1002
	1003	!
[1]	1004	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1005	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1006	DO i = nxlg, nxrg
	1007	DO j = nysg, nyng
[1]	1008	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1009	shf(j,i) = wall_heatflux(0)
	1010	ENDIF
	1011	ENDDO
	1012	ENDDO
	1013	ENDIF
	1014	ENDIF
	1015	ENDIF
	1016
	1017	!
	1018	!-- Determine the near-surface water flux
[75]	1019	IF ( humidity .OR. passive_scalar ) THEN
[1115]	1020	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1021	precipitation ) THEN
[1340]	1022	qrsws = 0.0_wp
	1023	nrsws = 0.0_wp
[1053]	1024	ENDIF
[1]	1025	IF ( constant_waterflux ) THEN
	1026	qsws = surface_waterflux
[407]	1027	!
	1028	!-- Over topography surface_waterflux is replaced by
	1029	!-- wall_humidityflux(0)
	1030	IF ( TRIM( topography ) /= 'flat' ) THEN
	1031	wall_qflux = wall_humidityflux
[667]	1032	DO i = nxlg, nxrg
	1033	DO j = nysg, nyng
[407]	1034	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1035	qsws(j,i) = wall_qflux(0)
	1036	ENDIF
	1037	ENDDO
	1038	ENDDO
	1039	ENDIF
[1]	1040	ENDIF
	1041	ENDIF
	1042
	1043	ENDIF
	1044
	1045	!
[19]	1046	!-- Initialize fluxes at top surface
[94]	1047	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1048	!-- The latent flux is zero in this case!
[19]	1049	IF ( use_top_fluxes ) THEN
	1050
	1051	IF ( constant_top_heatflux ) THEN
	1052	!
	1053	!-- Heat flux is prescribed
	1054	tswst = top_heatflux
	1055
[1053]	1056	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1057	qswst = 0.0_wp
[1115]	1058	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1059	precipitation ) THEN
[1340]	1060	nrswst = 0.0_wp
	1061	qrswst = 0.0_wp
[1053]	1062	ENDIF
	1063	ENDIF
[94]	1064
	1065	IF ( ocean ) THEN
[95]	1066	saswsb = bottom_salinityflux
[94]	1067	saswst = top_salinityflux
	1068	ENDIF
[102]	1069	ENDIF
[19]	1070
[102]	1071	!
	1072	!-- Initialization in case of a coupled model run
	1073	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1074	tswst = 0.0_wp
[102]	1075	ENDIF
	1076
[19]	1077	ENDIF
	1078
	1079	!
[1]	1080	!-- Initialize Prandtl layer quantities
	1081	IF ( prandtl_layer ) THEN
	1082
	1083	z0 = roughness_length
[978]	1084	z0h = z0h_factor * z0
[1]	1085
	1086	IF ( .NOT. constant_heatflux ) THEN
	1087	!
	1088	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1089	!-- simply estimated, because therefore rif, u* and theta* would have
	1090	!-- to be computed by iteration. This is why the heat flux is assumed
	1091	!-- to be zero before the first time step. It approaches its correct
	1092	!-- value in the course of the first few time steps.
[1340]	1093	shf = 0.0_wp
[1]	1094	ENDIF
	1095
[75]	1096	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1097	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1115]	1098	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1099	precipitation ) THEN
[1340]	1100	qrsws = 0.0_wp
	1101	nrsws = 0.0_wp
[1053]	1102	ENDIF
[1]	1103	ENDIF
	1104
	1105	ENDIF
	1106
[1179]	1107	!
	1108	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1109	!-- the reference state will be set (overwritten) in init_ocean)
	1110	IF ( use_single_reference_value ) THEN
	1111	IF ( .NOT. humidity ) THEN
	1112	ref_state(:) = pt_reference
	1113	ELSE
	1114	ref_state(:) = vpt_reference
	1115	ENDIF
	1116	ELSE
	1117	IF ( .NOT. humidity ) THEN
	1118	ref_state(:) = pt_init(:)
	1119	ELSE
	1120	ref_state(:) = vpt(:,nys,nxl)
	1121	ENDIF
	1122	ENDIF
[152]	1123
	1124	!
[707]	1125	!-- For the moment, vertical velocity is zero
[1340]	1126	w = 0.0_wp
[1]	1127
	1128	!
	1129	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1130	sums = 0.0_wp
[1]	1131
	1132	!
[707]	1133	!-- In case of iterative solvers, p must get an initial value
[1340]	1134	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1135
	1136	!
[72]	1137	!-- Treating cloud physics, liquid water content and precipitation amount
	1138	!-- are zero at beginning of the simulation
	1139	IF ( cloud_physics ) THEN
[1340]	1140	ql = 0.0_wp
	1141	IF ( precipitation ) precipitation_amount = 0.0_wp
[1115]	1142	IF ( icloud_scheme == 0 ) THEN
[1340]	1143	qc = 0.0_wp
[1115]	1144	nc_1d = nc_const
	1145	ENDIF
[72]	1146	ENDIF
[673]	1147	!
[1]	1148	!-- Impose vortex with vertical axis on the initial velocity profile
	1149	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1150	CALL init_rankine
	1151	ENDIF
	1152
	1153	!
	1154	!-- Impose temperature anomaly (advection test only)
	1155	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1156	CALL init_pt_anomaly
	1157	ENDIF
	1158
	1159	!
	1160	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1161	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1162	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1163	ENDIF
	1164
	1165	!
	1166	!-- If required, change the surface humidity/scalar at the start of the 3D
	1167	!-- run
[75]	1168	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1169	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1170	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1171	ENDIF
	1172
	1173	!
	1174	!-- Initialize old and new time levels.
[1340]	1175	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]	1176	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1177
[75]	1178	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1179	tq_m = 0.0_wp
[1]	1180	q_p = q
[1115]	1181	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1182	precipitation ) THEN
[1340]	1183	tqr_m = 0.0_wp
[1053]	1184	qr_p = qr
[1340]	1185	tnr_m = 0.0_wp
[1053]	1186	nr_p = nr
	1187	ENDIF
[1]	1188	ENDIF
	1189
[94]	1190	IF ( ocean ) THEN
[1340]	1191	tsa_m = 0.0_wp
[94]	1192	sa_p = sa
	1193	ENDIF
[667]	1194
[1402]	1195	CALL location_message( 'finished', .TRUE. )
[94]	1196
[147]	1197	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1198	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1199	THEN
[1384]	1200
[1402]	1201	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1202	.FALSE. )
[1]	1203	!
[767]	1204	!-- When reading data for cyclic fill of 3D prerun data files, read
	1205	!-- some of the global variables from the restart file which are required
	1206	!-- for initializing the inflow
[328]	1207	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1208
[759]	1209	DO i = 0, io_blocks-1
	1210	IF ( i == io_group ) THEN
	1211	CALL read_parts_of_var_list
	1212	CALL close_file( 13 )
	1213	ENDIF
	1214	#if defined( __parallel )
	1215	CALL MPI_BARRIER( comm2d, ierr )
	1216	#endif
	1217	ENDDO
[328]	1218
[767]	1219	ENDIF
	1220
[151]	1221	!
[767]	1222	!-- Read binary data from restart file
	1223	DO i = 0, io_blocks-1
	1224	IF ( i == io_group ) THEN
	1225	CALL read_3d_binary
	1226	ENDIF
	1227	#if defined( __parallel )
	1228	CALL MPI_BARRIER( comm2d, ierr )
	1229	#endif
	1230	ENDDO
	1231
[328]	1232	!
[767]	1233	!-- Initialization of the turbulence recycling method
	1234	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1235	turbulent_inflow ) THEN
	1236	!
	1237	!-- First store the profiles to be used at the inflow.
	1238	!-- These profiles are the (temporally) and horizontally averaged vertical
	1239	!-- profiles from the prerun. Alternatively, prescribed profiles
	1240	!-- for u,v-components can be used.
	1241	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1242
[767]	1243	IF ( use_prescribed_profile_data ) THEN
	1244	mean_inflow_profiles(:,1) = u_init ! u
	1245	mean_inflow_profiles(:,2) = v_init ! v
	1246	ELSE
[328]	1247	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1248	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1249	ENDIF
	1250	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1251	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1252
	1253	!
[767]	1254	!-- If necessary, adjust the horizontal flow field to the prescribed
	1255	!-- profiles
	1256	IF ( use_prescribed_profile_data ) THEN
	1257	DO i = nxlg, nxrg
[667]	1258	DO j = nysg, nyng
[328]	1259	DO k = nzb, nzt+1
[767]	1260	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1261	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1262	ENDDO
[151]	1263	ENDDO
[767]	1264	ENDDO
	1265	ENDIF
[151]	1266
	1267	!
[767]	1268	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1269	!-- conditions are used)
	1270	IF ( inflow_l ) THEN
	1271	DO j = nysg, nyng
	1272	DO k = nzb, nzt+1
	1273	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1274	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1275	w(k,j,nxlg:-1) = 0.0_wp
[767]	1276	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1277	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1278	ENDDO
	1279	ENDDO
	1280	ENDIF
	1281
[151]	1282	!
[767]	1283	!-- Calculate the damping factors to be used at the inflow. For a
	1284	!-- turbulent inflow the turbulent fluctuations have to be limited
	1285	!-- vertically because otherwise the turbulent inflow layer will grow
	1286	!-- in time.
[1340]	1287	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1288	!
	1289	!-- Default: use the inversion height calculated by the prerun; if
	1290	!-- this is zero, inflow_damping_height must be explicitly
	1291	!-- specified.
[1340]	1292	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1293	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1294	ELSE
	1295	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1296	'explicitly specified because&the inversion height ', &
	1297	'calculated by the prerun is zero.'
	1298	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1299	ENDIF
[151]	1300
[767]	1301	ENDIF
	1302
[1340]	1303	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1304	!
[767]	1305	!-- Default for the transition range: one tenth of the undamped
	1306	!-- layer
[1340]	1307	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1308
[767]	1309	ENDIF
[151]	1310
[767]	1311	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1312
[767]	1313	DO k = nzb, nzt+1
[151]	1314
[767]	1315	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1316	inflow_damping_factor(k) = 1.0_wp
[996]	1317	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1318	inflow_damping_factor(k) = 1.0_wp - &
[996]	1319	( zu(k) - inflow_damping_height ) / &
	1320	inflow_damping_width
[767]	1321	ELSE
[1340]	1322	inflow_damping_factor(k) = 0.0_wp
[767]	1323	ENDIF
[151]	1324
[767]	1325	ENDDO
[151]	1326
[147]	1327	ENDIF
	1328
[152]	1329	!
[359]	1330	!-- Inside buildings set velocities and TKE back to zero
	1331	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1332	topography /= 'flat' ) THEN
	1333	!
	1334	!-- Inside buildings set velocities and TKE back to zero.
	1335	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1336	!-- maybe revise later.
[1001]	1337	DO i = nxlg, nxrg
	1338	DO j = nysg, nyng
[1340]	1339	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1340	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1341	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1342	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1343	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1344	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1345	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1346	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1347	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1348	ENDDO
[1001]	1349	ENDDO
[359]	1350
	1351	ENDIF
	1352
	1353	!
[1]	1354	!-- Calculate initial temperature field and other constants used in case
	1355	!-- of a sloping surface
	1356	IF ( sloping_surface ) CALL init_slope
	1357
	1358	!
	1359	!-- Initialize new time levels (only done in order to set boundary values
	1360	!-- including ghost points)
	1361	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1362	IF ( humidity .OR. passive_scalar ) THEN
	1363	q_p = q
[1115]	1364	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1365	precipitation ) THEN
[1053]	1366	qr_p = qr
	1367	nr_p = nr
	1368	ENDIF
	1369	ENDIF
[94]	1370	IF ( ocean ) sa_p = sa
[1]	1371
[181]	1372	!
	1373	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1374	!-- have to be predefined here because they are used (but multiplied with 0)
	1375	!-- there before they are set.
[1340]	1376	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]	1377	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1378	tq_m = 0.0_wp
[1115]	1379	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1380	precipitation ) THEN
[1340]	1381	tqr_m = 0.0_wp
	1382	tnr_m = 0.0_wp
[1053]	1383	ENDIF
	1384	ENDIF
[1340]	1385	IF ( ocean ) tsa_m = 0.0_wp
[181]	1386
[1402]	1387	CALL location_message( 'finished', .TRUE. )
[1384]	1388
[1]	1389	ELSE
	1390	!
	1391	!-- Actually this part of the programm should not be reached
[254]	1392	message_string = 'unknown initializing problem'
	1393	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1394	ENDIF
	1395
[151]	1396
	1397	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1398	!
[151]	1399	!-- Initialize old timelevels needed for radiation boundary conditions
	1400	IF ( outflow_l ) THEN
	1401	u_m_l(:,:,:) = u(:,:,1:2)
	1402	v_m_l(:,:,:) = v(:,:,0:1)
	1403	w_m_l(:,:,:) = w(:,:,0:1)
	1404	ENDIF
	1405	IF ( outflow_r ) THEN
	1406	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1407	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1408	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1409	ENDIF
	1410	IF ( outflow_s ) THEN
	1411	u_m_s(:,:,:) = u(:,0:1,:)
	1412	v_m_s(:,:,:) = v(:,1:2,:)
	1413	w_m_s(:,:,:) = w(:,0:1,:)
	1414	ENDIF
	1415	IF ( outflow_n ) THEN
	1416	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1417	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1418	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1419	ENDIF
[667]	1420
[151]	1421	ENDIF
[680]	1422
[667]	1423	!
	1424	!-- Calculate the initial volume flow at the right and north boundary
[709]	1425	IF ( conserve_volume_flow ) THEN
[151]	1426
[767]	1427	IF ( use_prescribed_profile_data ) THEN
[667]	1428
[1340]	1429	volume_flow_initial_l = 0.0_wp
	1430	volume_flow_area_l = 0.0_wp
[732]	1431
[667]	1432	IF ( nxr == nx ) THEN
	1433	DO j = nys, nyn
[709]	1434	DO k = nzb_2d(j,nx)+1, nzt
[667]	1435	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1436	u_init(k) * dzw(k)
	1437	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1438	ENDDO
	1439	ENDDO
	1440	ENDIF
	1441
	1442	IF ( nyn == ny ) THEN
	1443	DO i = nxl, nxr
	1444	DO k = nzb_2d(ny,i)+1, nzt
	1445	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1446	v_init(k) * dzw(k)
	1447	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1448	ENDDO
	1449	ENDDO
	1450	ENDIF
	1451
	1452	#if defined( __parallel )
	1453	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1454	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1455	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1456	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1457
	1458	#else
	1459	volume_flow_initial = volume_flow_initial_l
	1460	volume_flow_area = volume_flow_area_l
	1461	#endif
	1462
	1463	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1464
[1340]	1465	volume_flow_initial_l = 0.0_wp
	1466	volume_flow_area_l = 0.0_wp
[767]	1467
	1468	IF ( nxr == nx ) THEN
	1469	DO j = nys, nyn
	1470	DO k = nzb_2d(j,nx)+1, nzt
	1471	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1472	hom_sum(k,1,0) * dzw(k)
	1473	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1474	ENDDO
	1475	ENDDO
	1476	ENDIF
	1477
	1478	IF ( nyn == ny ) THEN
	1479	DO i = nxl, nxr
[709]	1480	DO k = nzb_2d(ny,i)+1, nzt
[667]	1481	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1482	hom_sum(k,2,0) * dzw(k)
[667]	1483	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1484	ENDDO
	1485	ENDDO
	1486	ENDIF
	1487
[732]	1488	#if defined( __parallel )
	1489	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1490	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1491	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1492	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1493
	1494	#else
	1495	volume_flow_initial = volume_flow_initial_l
	1496	volume_flow_area = volume_flow_area_l
	1497	#endif
	1498
[667]	1499	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1500
[1340]	1501	volume_flow_initial_l = 0.0_wp
	1502	volume_flow_area_l = 0.0_wp
[732]	1503
[667]	1504	IF ( nxr == nx ) THEN
	1505	DO j = nys, nyn
[709]	1506	DO k = nzb_2d(j,nx)+1, nzt
[667]	1507	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1508	u(k,j,nx) * dzw(k)
[667]	1509	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1510	ENDDO
	1511	ENDDO
	1512	ENDIF
	1513
	1514	IF ( nyn == ny ) THEN
	1515	DO i = nxl, nxr
[709]	1516	DO k = nzb_2d(ny,i)+1, nzt
[667]	1517	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1518	v(k,ny,i) * dzw(k)
	1519	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1520	ENDDO
	1521	ENDDO
	1522	ENDIF
	1523
	1524	#if defined( __parallel )
[732]	1525	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1526	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1527	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1528	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1529
	1530	#else
[732]	1531	volume_flow_initial = volume_flow_initial_l
	1532	volume_flow_area = volume_flow_area_l
[667]	1533	#endif
	1534
[732]	1535	ENDIF
	1536
[151]	1537	!
[709]	1538	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1539	!-- from u\|v_bulk instead
[680]	1540	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1541	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1542	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1543	ENDIF
[667]	1544
[680]	1545	ENDIF
	1546
[787]	1547	!
	1548	!-- Initialize quantities for special advections schemes
	1549	CALL init_advec
[680]	1550
[667]	1551	!
[680]	1552	!-- Impose random perturbation on the horizontal velocity field and then
	1553	!-- remove the divergences from the velocity field at the initial stage
	1554	IF ( create_disturbances .AND. &
	1555	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1556	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1557
[1402]	1558	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1559	CALL disturb_field( nzb_u_inner, tend, u )
	1560	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1561	CALL location_message( 'finished', .TRUE. )
[1384]	1562
[1402]	1563	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1564	n_sor = nsor_ini
[1221]	1565	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1566	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1567	!$acc copyin( weight_pres, weight_substep ) &
	1568	!$acc copy( tri, tric, u, v, w )
[680]	1569	CALL pres
[1111]	1570	!$acc end data
[680]	1571	n_sor = nsor
[1402]	1572	CALL location_message( 'finished', .TRUE. )
[1384]	1573
[680]	1574	ENDIF
	1575
	1576	!
[1484]	1577	!-- If required, initialize quantities needed for the plant canopy model
	1578	IF ( plant_canopy ) CALL init_plant_canopy
[138]	1579
	1580	!
[1]	1581	!-- If required, initialize dvrp-software
[1340]	1582	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1583
[96]	1584	IF ( ocean ) THEN
[1]	1585	!
[96]	1586	!-- Initialize quantities needed for the ocean model
	1587	CALL init_ocean
[388]	1588
[96]	1589	ELSE
	1590	!
	1591	!-- Initialize quantities for handling cloud physics
[849]	1592	!-- This routine must be called before lpm_init, because
[96]	1593	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1594	!-- lpm_init) is not defined.
[96]	1595	CALL init_cloud_physics
	1596	ENDIF
[1]	1597
	1598	!
	1599	!-- If required, initialize particles
[849]	1600	IF ( particle_advection ) CALL lpm_init
[1]	1601
[1496]	1602
[1]	1603	!
[1496]	1604	!-- If required, initialize radiation model
	1605	IF ( radiation ) THEN
	1606	CALL init_radiation
	1607	ENDIF
	1608
	1609	!
	1610	!-- If required, initialize quantities needed for the LSM
	1611	IF ( land_surface ) THEN
	1612	CALL init_lsm
	1613	ENDIF
	1614
	1615	!
[673]	1616	!-- Initialize the ws-scheme.
	1617	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1618
	1619	!
[709]	1620	!-- Setting weighting factors for calculation of perturbation pressure
	1621	!-- and turbulent quantities from the RK substeps
	1622	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1623
[1322]	1624	weight_substep(1) = 1._wp/6._wp
	1625	weight_substep(2) = 3._wp/10._wp
	1626	weight_substep(3) = 8._wp/15._wp
[709]	1627
[1322]	1628	weight_pres(1) = 1._wp/3._wp
	1629	weight_pres(2) = 5._wp/12._wp
	1630	weight_pres(3) = 1._wp/4._wp
[709]	1631
	1632	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1633
[1322]	1634	weight_substep(1) = 1._wp/2._wp
	1635	weight_substep(2) = 1._wp/2._wp
[673]	1636
[1322]	1637	weight_pres(1) = 1._wp/2._wp
	1638	weight_pres(2) = 1._wp/2._wp
[709]	1639
[1001]	1640	ELSE ! for Euler-method
[709]	1641
[1340]	1642	weight_substep(1) = 1.0_wp
	1643	weight_pres(1) = 1.0_wp
[709]	1644
[673]	1645	ENDIF
	1646
	1647	!
[1]	1648	!-- Initialize Rayleigh damping factors
[1340]	1649	rdf = 0.0_wp
	1650	rdf_sc = 0.0_wp
	1651	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[108]	1652	IF ( .NOT. ocean ) THEN
	1653	DO k = nzb+1, nzt
	1654	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1655	rdf(k) = rayleigh_damping_factor * &
[1340]	1656	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
	1657	/ ( zu(nzt) - rayleigh_damping_height ) )&
[1]	1658	)**2
[108]	1659	ENDIF
	1660	ENDDO
	1661	ELSE
	1662	DO k = nzt, nzb+1, -1
	1663	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1664	rdf(k) = rayleigh_damping_factor * &
[1340]	1665	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
	1666	/ ( rayleigh_damping_height - zu(nzb+1)))&
[108]	1667	)**2
	1668	ENDIF
	1669	ENDDO
	1670	ENDIF
[1]	1671	ENDIF
[785]	1672	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1673
	1674	!
[240]	1675	!-- Initialize the starting level and the vertical smoothing factor used for
	1676	!-- the external pressure gradient
[1340]	1677	dp_smooth_factor = 1.0_wp
[240]	1678	IF ( dp_external ) THEN
	1679	!
	1680	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1681	!-- (e.g. in init_grid).
	1682	IF ( dp_level_ind_b == 0 ) THEN
	1683	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1684	dp_level_ind_b = ind_array(1) - 1 + nzb
	1685	! MINLOC uses lower array bound 1
	1686	ENDIF
	1687	IF ( dp_smooth ) THEN
[1340]	1688	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1689	DO k = dp_level_ind_b+1, nzt
[1340]	1690	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1691	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1692	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1693	ENDDO
	1694	ENDIF
	1695	ENDIF
	1696
	1697	!
[978]	1698	!-- Initialize damping zone for the potential temperature in case of
	1699	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1700	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1701	ptdf_x = 0.0_wp
	1702	ptdf_y = 0.0_wp
[1159]	1703	IF ( bc_lr_dirrad ) THEN
[996]	1704	DO i = nxl, nxr
[978]	1705	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1706	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1707	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
	1708	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1709	ENDIF
	1710	ENDDO
[1159]	1711	ELSEIF ( bc_lr_raddir ) THEN
[996]	1712	DO i = nxl, nxr
[978]	1713	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1714	ptdf_x(i) = pt_damping_factor * &
[1340]	1715	SIN( pi * 0.5_wp * &
	1716	( ( i - nx ) * dx + pt_damping_width ) / &
	1717	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1718	ENDIF
[978]	1719	ENDDO
[1159]	1720	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1721	DO j = nys, nyn
[978]	1722	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1723	ptdf_y(j) = pt_damping_factor * &
[1340]	1724	SIN( pi * 0.5_wp * &
	1725	( ( j - ny ) * dy + pt_damping_width ) / &
	1726	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1727	ENDIF
[978]	1728	ENDDO
[1159]	1729	ELSEIF ( bc_ns_raddir ) THEN
[996]	1730	DO j = nys, nyn
[978]	1731	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1732	ptdf_y(j) = pt_damping_factor * &
[1340]	1733	SIN( pi * 0.5_wp * &
	1734	( pt_damping_width - j * dy ) / &
	1735	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1736	ENDIF
[73]	1737	ENDDO
[1]	1738	ENDIF
	1739
	1740	!
[709]	1741	!-- Initialize local summation arrays for routine flow_statistics.
	1742	!-- This is necessary because they may not yet have been initialized when they
	1743	!-- are called from flow_statistics (or - depending on the chosen model run -
	1744	!-- are never initialized)
[1340]	1745	sums_divnew_l = 0.0_wp
	1746	sums_divold_l = 0.0_wp
	1747	sums_l_l = 0.0_wp
	1748	sums_up_fraction_l = 0.0_wp
	1749	sums_wsts_bc_l = 0.0_wp
[1]	1750
	1751	!
	1752	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1753	!-- Ghost points are excluded because counting values at the ghost boundaries
	1754	!-- would bias the statistics
[1340]	1755	rmask = 1.0_wp
	1756	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1757	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1758
	1759	!
[51]	1760	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1761	!-- of allowed timeseries is exceeded
[1]	1762	CALL user_init
	1763
[51]	1764	IF ( dots_num > dots_max ) THEN
[254]	1765	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1766	' its maximum of dots_max = ', dots_max, &
[254]	1767	' &Please increase dots_max in modules.f90.'
	1768	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1769	ENDIF
	1770
[1]	1771	!
	1772	!-- Input binary data file is not needed anymore. This line must be placed
	1773	!-- after call of user_init!
	1774	CALL close_file( 13 )
	1775
	1776	!
	1777	!-- Compute total sum of active mask grid points
	1778	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1779	!-- total domain
	1780	!-- ngp_3d: number of grid points of the total domain
[132]	1781	ngp_2dh_outer_l = 0
	1782	ngp_2dh_outer = 0
	1783	ngp_2dh_s_inner_l = 0
	1784	ngp_2dh_s_inner = 0
	1785	ngp_2dh_l = 0
	1786	ngp_2dh = 0
[1340]	1787	ngp_3d_inner_l = 0.0_wp
[132]	1788	ngp_3d_inner = 0
	1789	ngp_3d = 0
	1790	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1791
	1792	DO sr = 0, statistic_regions
	1793	DO i = nxl, nxr
	1794	DO j = nys, nyn
[1340]	1795	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1796	!
	1797	!-- All xy-grid points
	1798	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1799	!
	1800	!-- xy-grid points above topography
	1801	DO k = nzb_s_outer(j,i), nz + 1
	1802	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1803	ENDDO
[132]	1804	DO k = nzb_s_inner(j,i), nz + 1
	1805	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1806	ENDDO
[1]	1807	!
	1808	!-- All grid points of the total domain above topography
	1809	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1810	( nz - nzb_s_inner(j,i) + 2 )
	1811	ENDIF
	1812	ENDDO
	1813	ENDDO
	1814	ENDDO
	1815
	1816	sr = statistic_regions + 1
	1817	#if defined( __parallel )
[622]	1818	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1819	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1820	comm2d, ierr )
[622]	1821	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1822	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1823	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1824	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1825	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1826	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1827	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1828	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1829	MPI_SUM, comm2d, ierr )
[485]	1830	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1831	#else
[132]	1832	ngp_2dh = ngp_2dh_l
	1833	ngp_2dh_outer = ngp_2dh_outer_l
	1834	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1835	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1836	#endif
	1837
[560]	1838	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1839	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1840
	1841	!
	1842	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1843	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1844	!-- the respective subdomain lie below the surface topography
[667]	1845	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1846	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1847	ngp_3d_inner(:) )
[667]	1848	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1849
[485]	1850	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1851
[1402]	1852	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	1853
	1854	END SUBROUTINE init_3d_model

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