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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1734

Last change on this file since 1734 was 1734, checked in by raasch, 9 years ago
no initial disturbances in case that the disturbance energy limit has been set zero
Property svn:keywords set to `Id`
File size: 66.3 KB

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[1682]	1	!> @file init_3d_model.f90
[1036]	2	!--------------------------------------------------------------------------------!
	3	! This file is part of PALM.
	4	!
	5	! PALM is free software: you can redistribute it and/or modify it under the terms
	6	! of the GNU General Public License as published by the Free Software Foundation,
	7	! either version 3 of the License, or (at your option) any later version.
	8	!
	9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	10	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	11	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	12	!
	13	! You should have received a copy of the GNU General Public License along with
	14	! PALM. If not, see <http://www.gnu.org/licenses/>.
	15	!
[1691]	16	! Copyright 1997-2015 Leibniz Universitaet Hannover
[1036]	17	!--------------------------------------------------------------------------------!
	18	!
[254]	19	! Current revisions:
[732]	20	! ------------------
[1734]	21	! no initial disturbances in case that the disturbance energy limit has been
	22	! set zero
[1586]	23	!
[1485]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 1734 2015-12-02 12:17:12Z raasch $
	27	!
[1708]	28	! 1707 2015-11-02 15:24:52Z maronga
	29	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	30	! devision by zero in neutral stratification
	31	!
[1692]	32	! 1691 2015-10-26 16:17:44Z maronga
	33	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	34	!
[1683]	35	! 1682 2015-10-07 23:56:08Z knoop
	36	! Code annotations made doxygen readable
	37	!
[1616]	38	! 1615 2015-07-08 18:49:19Z suehring
	39	! Enable turbulent inflow for passive_scalar and humidity
	40	!
[1586]	41	! 1585 2015-04-30 07:05:52Z maronga
	42	! Initialization of radiation code is now done after LSM initializtion
	43	!
[1576]	44	! 1575 2015-03-27 09:56:27Z raasch
	45	! adjustments for psolver-queries
	46	!
[1552]	47	! 1551 2015-03-03 14:18:16Z maronga
	48	! Allocation of land surface arrays is now done in the subroutine init_lsm_arrays,
	49	! which is part of land_surface_model.
	50	!
[1508]	51	! 1507 2014-12-10 12:14:18Z suehring
	52	! Bugfix: set horizontal velocity components to zero inside topography
	53	!
[1497]	54	! 1496 2014-12-02 17:25:50Z maronga
	55	! Added initialization of the land surface and radiation schemes
	56	!
[1485]	57	! 1484 2014-10-21 10:53:05Z kanani
[1484]	58	! Changes due to new module structure of the plant canopy model:
[1508]	59	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	60	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	61	! call of subroutine init_plant_canopy added.
[1341]	62	!
[1432]	63	! 1431 2014-07-15 14:47:17Z suehring
	64	! var_d added, in order to normalize spectra.
	65	!
[1430]	66	! 1429 2014-07-15 12:53:45Z knoop
	67	! Ensemble run capability added to parallel random number generator
	68	!
[1412]	69	! 1411 2014-05-16 18:01:51Z suehring
	70	! Initial horizontal velocity profiles were not set to zero at the first vertical
	71	! grid level in case of non-cyclic lateral boundary conditions.
	72	!
[1407]	73	! 1406 2014-05-16 13:47:01Z raasch
	74	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	75	! no-slip boundary condition for uv
	76	!
[1403]	77	! 1402 2014-05-09 14:25:13Z raasch
	78	! location messages modified
	79	!
[1401]	80	! 1400 2014-05-09 14:03:54Z knoop
	81	! Parallel random number generator added
	82	!
[1385]	83	! 1384 2014-05-02 14:31:06Z raasch
	84	! location messages added
	85	!
[1362]	86	! 1361 2014-04-16 15:17:48Z hoffmann
	87	! tend_* removed
	88	! Bugfix: w_subs is not allocated anymore if it is already allocated
	89	!
[1360]	90	! 1359 2014-04-11 17:15:14Z hoffmann
	91	! module lpm_init_mod added to use statements, because lpm_init has become a
	92	! module
	93	!
[1354]	94	! 1353 2014-04-08 15:21:23Z heinze
	95	! REAL constants provided with KIND-attribute
	96	!
[1341]	97	! 1340 2014-03-25 19:45:13Z kanani
	98	! REAL constants defined as wp-kind
	99	!
[1323]	100	! 1322 2014-03-20 16:38:49Z raasch
	101	! REAL constants defined as wp-kind
	102	! module interfaces removed
	103	!
[1321]	104	! 1320 2014-03-20 08:40:49Z raasch
	105	! ONLY-attribute added to USE-statements,
	106	! kind-parameters added to all INTEGER and REAL declaration statements,
	107	! kinds are defined in new module kinds,
	108	! revision history before 2012 removed,
	109	! comment fields (!:) to be used for variable explanations added to
	110	! all variable declaration statements
	111	!
[1317]	112	! 1316 2014-03-17 07:44:59Z heinze
	113	! Bugfix: allocation of w_subs
	114	!
[1300]	115	! 1299 2014-03-06 13:15:21Z heinze
	116	! Allocate w_subs due to extension of large scale subsidence in combination
	117	! with large scale forcing data (LSF_DATA)
	118	!
[1242]	119	! 1241 2013-10-30 11:36:58Z heinze
	120	! Overwrite initial profiles in case of nudging
	121	! Inititialize shf and qsws in case of large_scale_forcing
	122	!
[1222]	123	! 1221 2013-09-10 08:59:13Z raasch
	124	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	125	! copy
	126	!
[1213]	127	! 1212 2013-08-15 08:46:27Z raasch
	128	! array tri is allocated and included in data copy statement
	129	!
[1196]	130	! 1195 2013-07-01 12:27:57Z heinze
	131	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	132	!
[1182]	133	! 1179 2013-06-14 05:57:58Z raasch
	134	! allocate and set ref_state to be used in buoyancy terms
	135	!
[1172]	136	! 1171 2013-05-30 11:27:45Z raasch
	137	! diss array is allocated with full size if accelerator boards are used
	138	!
[1160]	139	! 1159 2013-05-21 11:58:22Z fricke
	140	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	141	!
[1154]	142	! 1153 2013-05-10 14:33:08Z raasch
	143	! diss array is allocated with dummy elements even if it is not needed
[1171]	144	! (required by PGI 13.4 / CUDA 5.0)
[1154]	145	!
[1116]	146	! 1115 2013-03-26 18:16:16Z hoffmann
	147	! unused variables removed
	148	!
[1114]	149	! 1113 2013-03-10 02:48:14Z raasch
	150	! openACC directive modified
	151	!
[1112]	152	! 1111 2013-03-08 23:54:10Z raasch
	153	! openACC directives added for pres
	154	! array diss allocated only if required
	155	!
[1093]	156	! 1092 2013-02-02 11:24:22Z raasch
	157	! unused variables removed
	158	!
[1066]	159	! 1065 2012-11-22 17:42:36Z hoffmann
	160	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	161	!
[1054]	162	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	163	! allocation and initialisation of necessary data arrays for the two-moment
	164	! cloud physics scheme the two new prognostic equations (nr, qr):
	165	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	166	! +tend_*, prr
[979]	167	!
[1037]	168	! 1036 2012-10-22 13:43:42Z raasch
	169	! code put under GPL (PALM 3.9)
	170	!
[1033]	171	! 1032 2012-10-21 13:03:21Z letzel
	172	! save memory by not allocating pt_2 in case of neutral = .T.
	173	!
[1026]	174	! 1025 2012-10-07 16:04:41Z letzel
	175	! bugfix: swap indices of mask for ghost boundaries
	176	!
[1017]	177	! 1015 2012-09-27 09:23:24Z raasch
	178	! mask is set to zero for ghost boundaries
	179	!
[1011]	180	! 1010 2012-09-20 07:59:54Z raasch
	181	! cpp switch __nopointer added for pointer free version
	182	!
[1004]	183	! 1003 2012-09-14 14:35:53Z raasch
	184	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	185	!
[1002]	186	! 1001 2012-09-13 14:08:46Z raasch
	187	! all actions concerning leapfrog scheme removed
	188	!
[997]	189	! 996 2012-09-07 10:41:47Z raasch
	190	! little reformatting
	191	!
[979]	192	! 978 2012-08-09 08:28:32Z fricke
[978]	193	! outflow damping layer removed
	194	! roughness length for scalar quantites z0h added
	195	! damping zone for the potential temperatur in case of non-cyclic lateral
	196	! boundaries added
	197	! initialization of ptdf_x, ptdf_y
	198	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	199	!
[850]	200	! 849 2012-03-15 10:35:09Z raasch
	201	! init_particles renamed lpm_init
	202	!
[826]	203	! 825 2012-02-19 03:03:44Z raasch
	204	! wang_collision_kernel renamed wang_kernel
	205	!
[1]	206	! Revision 1.1 1998/03/09 16:22:22 raasch
	207	! Initial revision
	208	!
	209	!
	210	! Description:
	211	! ------------
[1682]	212	!> Allocation of arrays and initialization of the 3D model via
	213	!> a) pre-run the 1D model
	214	!> or
	215	!> b) pre-set constant linear profiles
	216	!> or
	217	!> c) read values of a previous run
[1]	218	!------------------------------------------------------------------------------!
[1682]	219	SUBROUTINE init_3d_model
	220
[1]	221
[667]	222	USE advec_ws
[1320]	223
[1]	224	USE arrays_3d
[1320]	225
	226	USE cloud_parameters, &
	227	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	228
	229	USE constants, &
	230	ONLY: pi
	231
[1]	232	USE control_parameters
[1320]	233
	234	USE grid_variables, &
	235	ONLY: dx, dy
	236
[1]	237	USE indices
[1359]	238
[1429]	239	USE lpm_init_mod, &
[1359]	240	ONLY: lpm_init
[1320]	241
	242	USE kinds
[1496]	243
	244	USE land_surface_model_mod, &
[1551]	245	ONLY: init_lsm, init_lsm_arrays, land_surface
[1496]	246
[1241]	247	USE ls_forcing_mod
[1320]	248
	249	USE model_1d, &
	250	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	251
[51]	252	USE netcdf_control
[1320]	253
	254	USE particle_attributes, &
	255	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	256
[1]	257	USE pegrid
[1320]	258
[1484]	259	USE plant_canopy_model_mod, &
	260	ONLY: init_plant_canopy, plant_canopy
[1496]	261
	262	USE radiation_model_mod, &
	263	ONLY: init_radiation, radiation
[1484]	264
[1320]	265	USE random_function_mod
	266
[1400]	267	USE random_generator_parallel, &
	268	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	269	id_random_array, seq_random_array
	270
[1320]	271	USE statistics, &
	272	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	273	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	274	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
[1431]	275	var_d, weight_pres, weight_substep
[1691]	276
	277	USE surface_layer_fluxes_mod, &
	278	ONLY: init_surface_layer_fluxes
	279
[1320]	280	USE transpose_indices
[1]	281
	282	IMPLICIT NONE
	283
[1682]	284	INTEGER(iwp) :: i !<
	285	INTEGER(iwp) :: ind_array(1) !<
	286	INTEGER(iwp) :: j !<
	287	INTEGER(iwp) :: k !<
	288	INTEGER(iwp) :: sr !<
[1]	289
[1682]	290	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	291
[1682]	292	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	293	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	294
[1682]	295	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !<
	296	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !<
[1]	297
[1682]	298	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	299	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	300
[485]	301
[1402]	302	CALL location_message( 'allocating arrays', .FALSE. )
[1]	303	!
	304	!-- Allocate arrays
	305	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	306	ngp_3d(0:statistic_regions), &
	307	ngp_3d_inner(0:statistic_regions), &
	308	ngp_3d_inner_l(0:statistic_regions), &
[485]	309	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	310	sums_divnew_l(0:statistic_regions), &
	311	sums_divold_l(0:statistic_regions) )
[1195]	312	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	313	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	314	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	315	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	316	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	317	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	318	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	319	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	320	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	321	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	322	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	323	ts_value(dots_max,0:statistic_regions) )
[978]	324	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	325
[1691]	326	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
[1001]	327	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	328	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	329	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	330	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	331	z0h(nysg:nyng,nxlg:nxrg) )
[1]	332
[1010]	333	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	334	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	335	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	336	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	338
	339	#if defined( __nopointer )
	340	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	342	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	343	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	344	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	345	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	346	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	347	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	348	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	349	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	350	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	351	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	352	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	353	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	354	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	355	#else
	356	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	357	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	358	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	359	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	360	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	361	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	362	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	363	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	364	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	365	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	366	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	367	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	368	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	369	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	370	IF ( .NOT. neutral ) THEN
	371	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	372	ENDIF
[1010]	373	#endif
	374
[673]	375	!
[707]	376	!-- Following array is required for perturbation pressure within the iterative
	377	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	378	!-- the weighted average of the substeps and cannot be used in the Poisson
	379	!-- solver.
	380	IF ( psolver == 'sor' ) THEN
	381	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	382	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	383	!
	384	!-- For performance reasons, multigrid is using one ghost layer only
	385	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	386	ENDIF
[1]	387
[1111]	388	!
	389	!-- Array for storing constant coeffficients of the tridiagonal solver
	390	IF ( psolver == 'poisfft' ) THEN
[1212]	391	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	392	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	393	ENDIF
	394
[75]	395	IF ( humidity .OR. passive_scalar ) THEN
[1]	396	!
[75]	397	!-- 2D-humidity/scalar arrays
[1001]	398	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	399	qsws(nysg:nyng,nxlg:nxrg), &
	400	qswst(nysg:nyng,nxlg:nxrg) )
[1]	401
	402	!
[75]	403	!-- 3D-humidity/scalar arrays
[1010]	404	#if defined( __nopointer )
	405	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	406	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	407	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	408	#else
[667]	409	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	410	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	411	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	412	#endif
[1]	413
	414	!
[75]	415	!-- 3D-arrays needed for humidity only
	416	IF ( humidity ) THEN
[1010]	417	#if defined( __nopointer )
	418	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	419	#else
[667]	420	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	421	#endif
[1]	422
	423	IF ( cloud_physics ) THEN
[1053]	424
[1]	425	!
	426	!-- Liquid water content
[1010]	427	#if defined( __nopointer )
	428	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	429	#else
[667]	430	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	431	#endif
[72]	432	!
	433	!-- Precipitation amount and rate (only needed if output is switched)
[667]	434	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	435	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	436
	437	IF ( icloud_scheme == 0 ) THEN
	438	!
[1115]	439	!-- 1D-arrays
	440	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	441	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	442	!
[1115]	443	!-- 3D-cloud water content
[1053]	444	#if defined( __nopointer )
[1115]	445	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	446	#else
[1115]	447	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	448	#endif
[1115]	449
	450	IF ( precipitation ) THEN
[1053]	451	!
[1115]	452	!-- 1D-arrays
	453	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
[1361]	454
[1115]	455	!
	456	!-- 2D-rain water content and rain drop concentration arrays
	457	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	458	qrsws(nysg:nyng,nxlg:nxrg), &
	459	qrswst(nysg:nyng,nxlg:nxrg), &
	460	nrs(nysg:nyng,nxlg:nxrg), &
	461	nrsws(nysg:nyng,nxlg:nxrg), &
	462	nrswst(nysg:nyng,nxlg:nxrg) )
	463	!
	464	!-- 3D-rain water content, rain drop concentration arrays
	465	#if defined( __nopointer )
	466	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	467	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	468	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	472	#else
	473	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	474	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	475	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	476	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	477	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	478	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	479	#endif
	480	!
	481	!-- 3d-precipitation rate
[1053]	482	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	483	ENDIF
	484
	485	ENDIF
[1]	486	ENDIF
	487
	488	IF ( cloud_droplets ) THEN
	489	!
[1010]	490	!-- Liquid water content, change in liquid water content
	491	#if defined( __nopointer )
	492	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	493	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	494	#else
[667]	495	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	496	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	497	#endif
	498	!
	499	!-- Real volume of particles (with weighting), volume of particles
	500	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	501	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	502	ENDIF
	503
	504	ENDIF
	505
	506	ENDIF
	507
[94]	508	IF ( ocean ) THEN
[1001]	509	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	510	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	511	#if defined( __nopointer )
	512	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	513	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	514	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	515	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	516	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	517	#else
[667]	518	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	519	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	520	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	521	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	522	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	523	prho => prho_1
	524	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	525	! density to be apointer
[1010]	526	#endif
[108]	527	IF ( humidity_remote ) THEN
[667]	528	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	529	qswst_remote = 0.0_wp
[108]	530	ENDIF
[94]	531	ENDIF
	532
[1]	533	!
	534	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	535	!-- particle velocities
[1171]	536	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	537	num_acc_per_node > 0 ) THEN
[1153]	538	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	539	ENDIF
	540
[1340]	541	IF ( dt_dosp /= 9999999.9_wp ) THEN
[1]	542	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	543	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[1340]	544	spectrum_x = 0.0_wp
	545	spectrum_y = 0.0_wp
[1431]	546
	547	ALLOCATE( var_d(nzb:nzt+1) )
	548	var_d = 0.0_wp
[1]	549	ENDIF
	550
	551	!
[1299]	552	!-- 1D-array for large scale subsidence velocity
[1361]	553	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	554	ALLOCATE ( w_subs(nzb:nzt+1) )
	555	w_subs = 0.0_wp
	556	ENDIF
[1299]	557
	558	!
[1400]	559	!-- ID-array and state-space-array for the parallel random number generator
	560	IF ( random_generator == 'random-parallel' ) THEN
	561	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	562	ALLOCATE ( id_random_array(0:ny,0:nx) )
	563	seq_random_array = 0
	564	id_random_array = 0
	565	ENDIF
	566
	567	!
[51]	568	!-- 4D-array for storing the Rif-values at vertical walls
	569	IF ( topography /= 'flat' ) THEN
[667]	570	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	571	rif_wall = 0.0_wp
[51]	572	ENDIF
	573
	574	!
[106]	575	!-- Arrays to store velocity data from t-dt and the phase speeds which
	576	!-- are needed for radiation boundary conditions
[73]	577	IF ( outflow_l ) THEN
[667]	578	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	579	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	580	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	581	ENDIF
	582	IF ( outflow_r ) THEN
[667]	583	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	584	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	585	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	586	ENDIF
[106]	587	IF ( outflow_l .OR. outflow_r ) THEN
[667]	588	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	589	c_w(nzb:nzt+1,nysg:nyng) )
[106]	590	ENDIF
[73]	591	IF ( outflow_s ) THEN
[667]	592	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	593	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	594	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	595	ENDIF
	596	IF ( outflow_n ) THEN
[667]	597	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	598	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	599	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	600	ENDIF
[106]	601	IF ( outflow_s .OR. outflow_n ) THEN
[667]	602	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	603	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	604	ENDIF
[996]	605	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	606	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	607	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	608	ENDIF
[73]	609
[978]	610
[1010]	611	#if ! defined( __nopointer )
[73]	612	!
[1]	613	!-- Initial assignment of the pointers
[1001]	614	e => e_1; e_p => e_2; te_m => e_3
[1032]	615	IF ( .NOT. neutral ) THEN
	616	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	617	ELSE
	618	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	619	ENDIF
[1001]	620	u => u_1; u_p => u_2; tu_m => u_3
	621	v => v_1; v_p => v_2; tv_m => v_3
	622	w => w_1; w_p => w_2; tw_m => w_3
[1]	623
[1001]	624	IF ( humidity .OR. passive_scalar ) THEN
	625	q => q_1; q_p => q_2; tq_m => q_3
[1053]	626	IF ( humidity ) THEN
	627	vpt => vpt_1
	628	IF ( cloud_physics ) THEN
	629	ql => ql_1
	630	IF ( icloud_scheme == 0 ) THEN
[1115]	631	qc => qc_1
	632	IF ( precipitation ) THEN
	633	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	634	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	635	ENDIF
[1053]	636	ENDIF
	637	ENDIF
	638	ENDIF
[1001]	639	IF ( cloud_droplets ) THEN
	640	ql => ql_1
	641	ql_c => ql_2
[1]	642	ENDIF
[1001]	643	ENDIF
[1]	644
[1001]	645	IF ( ocean ) THEN
	646	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	647	ENDIF
[1010]	648	#endif
[1]	649
	650	!
[1551]	651	!-- Allocate land surface model arrays
	652	IF ( land_surface ) THEN
	653	CALL init_lsm_arrays
	654	ENDIF
	655
	656	!
[709]	657	!-- Allocate arrays containing the RK coefficient for calculation of
	658	!-- perturbation pressure and turbulent fluxes. At this point values are
	659	!-- set for pressure calculation during initialization (where no timestep
	660	!-- is done). Further below the values needed within the timestep scheme
	661	!-- will be set.
	662	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	663	weight_pres(1:intermediate_timestep_count_max) )
[1340]	664	weight_substep = 1.0_wp
	665	weight_pres = 1.0_wp
[709]	666	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	667
[1402]	668	CALL location_message( 'finished', .TRUE. )
[673]	669	!
[1]	670	!-- Initialize model variables
[147]	671	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	672	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	673	!
	674	!-- First model run of a possible job queue.
	675	!-- Initial profiles of the variables must be computes.
	676	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	677
[1402]	678	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	679	!
	680	!-- Use solutions of the 1D model as initial profiles,
	681	!-- start 1D model
	682	CALL init_1d_model
	683	!
	684	!-- Transfer initial profiles to the arrays of the 3D model
[667]	685	DO i = nxlg, nxrg
	686	DO j = nysg, nyng
[1]	687	e(:,j,i) = e1d
	688	kh(:,j,i) = kh1d
	689	km(:,j,i) = km1d
	690	pt(:,j,i) = pt_init
	691	u(:,j,i) = u1d
	692	v(:,j,i) = v1d
	693	ENDDO
	694	ENDDO
	695
[75]	696	IF ( humidity .OR. passive_scalar ) THEN
[667]	697	DO i = nxlg, nxrg
	698	DO j = nysg, nyng
[1]	699	q(:,j,i) = q_init
	700	ENDDO
	701	ENDDO
[1353]	702	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	703	precipitation ) THEN
[1053]	704	DO i = nxlg, nxrg
	705	DO j = nysg, nyng
[1340]	706	qr(:,j,i) = 0.0_wp
	707	nr(:,j,i) = 0.0_wp
[1053]	708	ENDDO
	709	ENDDO
[1115]	710	!
	711	!-- Initialze nc_1d with default value
	712	nc_1d(:) = nc_const
	713
[1053]	714	ENDIF
[1]	715	ENDIF
	716
	717	IF ( .NOT. constant_diffusion ) THEN
[667]	718	DO i = nxlg, nxrg
	719	DO j = nysg, nyng
[1]	720	e(:,j,i) = e1d
	721	ENDDO
	722	ENDDO
	723	!
	724	!-- Store initial profiles for output purposes etc.
	725	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	726
[1691]	727	IF ( constant_flux_layer ) THEN
[1707]	728	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	729	ts = 0.0_wp ! could actually be computed more accurately in the
	730	! 1D model. Update when opportunity arises.
[1]	731	us = us1d
	732	usws = usws1d
	733	vsws = vsws1d
	734	ELSE
[1340]	735	ts = 0.0_wp ! must be set, because used in
[1691]	736	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	737	us = 0.0_wp
	738	usws = 0.0_wp
	739	vsws = 0.0_wp
[1]	740	ENDIF
	741
	742	ELSE
[1340]	743	e = 0.0_wp ! must be set, because used in
[1691]	744	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	745	ts = 0.0_wp
	746	us = 0.0_wp
	747	usws = 0.0_wp
	748	vsws = 0.0_wp
[1]	749	ENDIF
[102]	750	uswst = top_momentumflux_u
	751	vswst = top_momentumflux_v
[1]	752
	753	!
	754	!-- In every case qs = 0.0 (see also pt)
	755	!-- This could actually be computed more accurately in the 1D model.
	756	!-- Update when opportunity arises!
[1053]	757	IF ( humidity .OR. passive_scalar ) THEN
[1340]	758	qs = 0.0_wp
[1353]	759	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	760	precipitation ) THEN
[1340]	761	qrs = 0.0_wp
	762	nrs = 0.0_wp
[1053]	763	ENDIF
	764	ENDIF
[1]	765
	766	!
	767	IF ( topography /= 'flat' ) THEN
	768	DO i = nxl-1, nxr+1
	769	DO j = nys-1, nyn+1
[1340]	770	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	771	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	772	ENDDO
	773	ENDDO
[667]	774
[1]	775	!
	776	!-- WARNING: The extra boundary conditions set after running the
	777	!-- ------- 1D model impose an error on the divergence one layer
	778	!-- below the topography; need to correct later
	779	!-- ATTENTION: Provisional correction for Piacsek & Williams
	780	!-- --------- advection scheme: keep u and v zero one layer below
	781	!-- the topography.
[667]	782	IF ( ibc_uv_b == 1 ) THEN
	783	!
[1]	784	!-- Neumann condition
	785	DO i = nxl-1, nxr+1
	786	DO j = nys-1, nyn+1
	787	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	788	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	789	ENDDO
	790	ENDDO
	791
	792	ENDIF
	793
	794	ENDIF
	795
[1402]	796	CALL location_message( 'finished', .TRUE. )
[1384]	797
[1]	798	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	799	THEN
[1241]	800
[1402]	801	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	802	!
[1241]	803	!-- Overwrite initial profiles in case of nudging
	804	IF ( nudging ) THEN
	805	pt_init = ptnudge(:,1)
	806	u_init = unudge(:,1)
	807	v_init = vnudge(:,1)
	808	IF ( humidity .OR. passive_scalar ) THEN
	809	q_init = qnudge(:,1)
	810	ENDIF
	811
	812	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	813	'scalars from NUDGING_DATA are used.'
	814	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	815	ENDIF
	816
	817	!
[1]	818	!-- Use constructed initial profiles (velocity constant with height,
	819	!-- temperature profile with constant gradient)
[667]	820	DO i = nxlg, nxrg
	821	DO j = nysg, nyng
[1]	822	pt(:,j,i) = pt_init
	823	u(:,j,i) = u_init
	824	v(:,j,i) = v_init
	825	ENDDO
	826	ENDDO
[75]	827
[1]	828	!
[292]	829	!-- Set initial horizontal velocities at the lowest computational grid
	830	!-- levels to zero in order to avoid too small time steps caused by the
	831	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	832	!-- in the limiting formula!). The original values are stored to be later
	833	!-- used for volume flow control.
[1507]	834	IF ( ibc_uv_b /= 1 ) THEN
[1406]	835	DO i = nxlg, nxrg
	836	DO j = nysg, nyng
	837	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	838	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	839	ENDDO
[1]	840	ENDDO
[1406]	841	ENDIF
[1]	842
[75]	843	IF ( humidity .OR. passive_scalar ) THEN
[667]	844	DO i = nxlg, nxrg
	845	DO j = nysg, nyng
[1]	846	q(:,j,i) = q_init
	847	ENDDO
	848	ENDDO
[1115]	849	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	850	!
	851	!-- Initialze nc_1d with default value
	852	nc_1d(:) = nc_const
	853
	854	IF ( precipitation ) THEN
	855	DO i = nxlg, nxrg
	856	DO j = nysg, nyng
[1340]	857	qr(:,j,i) = 0.0_wp
	858	nr(:,j,i) = 0.0_wp
[1115]	859	ENDDO
[1053]	860	ENDDO
[1115]	861	ENDIF
	862
[1053]	863	ENDIF
[1]	864	ENDIF
	865
[94]	866	IF ( ocean ) THEN
[667]	867	DO i = nxlg, nxrg
	868	DO j = nysg, nyng
[94]	869	sa(:,j,i) = sa_init
	870	ENDDO
	871	ENDDO
	872	ENDIF
[1]	873
	874	IF ( constant_diffusion ) THEN
	875	km = km_constant
	876	kh = km / prandtl_number
[1340]	877	e = 0.0_wp
	878	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	879	DO k = nzb+1, nzt
[1340]	880	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	881	ENDDO
	882	km(nzb,:,:) = km(nzb+1,:,:)
	883	km(nzt+1,:,:) = km(nzt,:,:)
	884	kh = km / prandtl_number
	885	e = e_init
[1]	886	ELSE
[108]	887	IF ( .NOT. ocean ) THEN
[1340]	888	kh = 0.01_wp ! there must exist an initial diffusion, because
	889	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	890	! production terms, as long as not yet
	891	! e = (u/cm)*2 at k=nzb+1
	892	ELSE
[1340]	893	kh = 0.00001_wp
	894	km = 0.00001_wp
[108]	895	ENDIF
[1340]	896	e = 0.0_wp
[1]	897	ENDIF
[1691]	898	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	899	ts = 0.0_wp
	900	us = 0.0_wp
	901	usws = 0.0_wp
[102]	902	uswst = top_momentumflux_u
[1340]	903	vsws = 0.0_wp
[102]	904	vswst = top_momentumflux_v
[1340]	905	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	906
	907	!
	908	!-- Compute initial temperature field and other constants used in case
	909	!-- of a sloping surface
	910	IF ( sloping_surface ) CALL init_slope
	911
[1402]	912	CALL location_message( 'finished', .TRUE. )
[1384]	913
[46]	914	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	915	THEN
[1384]	916
[1402]	917	CALL location_message( 'initializing by user', .FALSE. )
[46]	918	!
	919	!-- Initialization will completely be done by the user
	920	CALL user_init_3d_model
	921
[1402]	922	CALL location_message( 'finished', .TRUE. )
[1384]	923
[1]	924	ENDIF
[1384]	925
[1402]	926	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	927	.FALSE. )
[1384]	928
[667]	929	!
	930	!-- Bottom boundary
	931	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	932	u(nzb,:,:) = 0.0_wp
	933	v(nzb,:,:) = 0.0_wp
[667]	934	ENDIF
[1]	935
	936	!
[151]	937	!-- Apply channel flow boundary condition
[132]	938	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	939	u(nzt+1,:,:) = 0.0_wp
	940	v(nzt+1,:,:) = 0.0_wp
[132]	941	ENDIF
	942
	943	!
[1]	944	!-- Calculate virtual potential temperature
[1340]	945	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	946
	947	!
	948	!-- Store initial profiles for output purposes etc.
	949	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	950	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	951	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	952	hom(nzb,1,5,:) = 0.0_wp
	953	hom(nzb,1,6,:) = 0.0_wp
[1]	954	ENDIF
	955	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	956	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	957	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	958
[97]	959	IF ( ocean ) THEN
	960	!
	961	!-- Store initial salinity profile
	962	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	963	ENDIF
[1]	964
[75]	965	IF ( humidity ) THEN
[1]	966	!
	967	!-- Store initial profile of total water content, virtual potential
	968	!-- temperature
	969	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	970	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	971	IF ( cloud_physics .OR. cloud_droplets ) THEN
	972	!
	973	!-- Store initial profile of specific humidity and potential
	974	!-- temperature
	975	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	976	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	977	ENDIF
	978	ENDIF
	979
	980	IF ( passive_scalar ) THEN
	981	!
	982	!-- Store initial scalar profile
	983	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	984	ENDIF
	985
	986	!
[1400]	987	!-- Initialize the random number generators (from numerical recipes)
	988	CALL random_function_ini
[1429]	989
[1400]	990	IF ( random_generator == 'random-parallel' ) THEN
[1429]	991	!-- Asigning an ID to every vertical gridpoint column
	992	!-- dependig on the ensemble run number.
	993	random_dummy=1
[1400]	994	DO j=0,ny
	995	DO i=0,nx
[1429]	996	id_random_array(j,i) = random_dummy + 1E6 * ( ensemble_member_nr - 1000 )
	997	random_dummy = random_dummy + 1
[1400]	998	END DO
	999	ENDDO
[1429]	1000	!-- Initializing with random_seed_parallel for every vertical
	1001	!-- gridpoint column.
	1002	random_dummy=0
[1400]	1003	DO j = nysg, nyng
	1004	DO i = nxlg, nxrg
	1005	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	1006	CALL random_number_parallel (random_dummy)
	1007	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	1008	END DO
	1009	ENDDO
	1010	ENDIF
	1011
	1012	!
[19]	1013	!-- Initialize fluxes at bottom surface
[1]	1014	IF ( use_surface_fluxes ) THEN
	1015
	1016	IF ( constant_heatflux ) THEN
	1017	!
	1018	!-- Heat flux is prescribed
	1019	IF ( random_heatflux ) THEN
	1020	CALL disturb_heatflux
	1021	ELSE
	1022	shf = surface_heatflux
	1023	!
[1241]	1024	!-- Initialize shf with data from external file LSF_DATA
	1025	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	1026	CALL ls_forcing_surf ( simulated_time )
	1027	ENDIF
	1028
	1029	!
[1]	1030	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1031	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1032	DO i = nxlg, nxrg
	1033	DO j = nysg, nyng
[1]	1034	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1035	shf(j,i) = wall_heatflux(0)
	1036	ENDIF
	1037	ENDDO
	1038	ENDDO
	1039	ENDIF
	1040	ENDIF
	1041	ENDIF
	1042
	1043	!
	1044	!-- Determine the near-surface water flux
[75]	1045	IF ( humidity .OR. passive_scalar ) THEN
[1115]	1046	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1047	precipitation ) THEN
[1340]	1048	qrsws = 0.0_wp
	1049	nrsws = 0.0_wp
[1053]	1050	ENDIF
[1]	1051	IF ( constant_waterflux ) THEN
	1052	qsws = surface_waterflux
[407]	1053	!
	1054	!-- Over topography surface_waterflux is replaced by
	1055	!-- wall_humidityflux(0)
	1056	IF ( TRIM( topography ) /= 'flat' ) THEN
	1057	wall_qflux = wall_humidityflux
[667]	1058	DO i = nxlg, nxrg
	1059	DO j = nysg, nyng
[407]	1060	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1061	qsws(j,i) = wall_qflux(0)
	1062	ENDIF
	1063	ENDDO
	1064	ENDDO
	1065	ENDIF
[1]	1066	ENDIF
	1067	ENDIF
	1068
	1069	ENDIF
	1070
	1071	!
[19]	1072	!-- Initialize fluxes at top surface
[94]	1073	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1074	!-- The latent flux is zero in this case!
[19]	1075	IF ( use_top_fluxes ) THEN
	1076
	1077	IF ( constant_top_heatflux ) THEN
	1078	!
	1079	!-- Heat flux is prescribed
	1080	tswst = top_heatflux
	1081
[1053]	1082	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1083	qswst = 0.0_wp
[1115]	1084	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1085	precipitation ) THEN
[1340]	1086	nrswst = 0.0_wp
	1087	qrswst = 0.0_wp
[1053]	1088	ENDIF
	1089	ENDIF
[94]	1090
	1091	IF ( ocean ) THEN
[95]	1092	saswsb = bottom_salinityflux
[94]	1093	saswst = top_salinityflux
	1094	ENDIF
[102]	1095	ENDIF
[19]	1096
[102]	1097	!
	1098	!-- Initialization in case of a coupled model run
	1099	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1100	tswst = 0.0_wp
[102]	1101	ENDIF
	1102
[19]	1103	ENDIF
	1104
	1105	!
[1]	1106	!-- Initialize Prandtl layer quantities
[1691]	1107	IF ( constant_flux_layer ) THEN
[1]	1108
	1109	z0 = roughness_length
[978]	1110	z0h = z0h_factor * z0
[1]	1111
	1112	IF ( .NOT. constant_heatflux ) THEN
	1113	!
	1114	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1115	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1116	!-- to be computed by iteration. This is why the heat flux is assumed
	1117	!-- to be zero before the first time step. It approaches its correct
	1118	!-- value in the course of the first few time steps.
[1340]	1119	shf = 0.0_wp
[1]	1120	ENDIF
	1121
[75]	1122	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1123	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1115]	1124	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1125	precipitation ) THEN
[1340]	1126	qrsws = 0.0_wp
	1127	nrsws = 0.0_wp
[1053]	1128	ENDIF
[1]	1129	ENDIF
	1130
	1131	ENDIF
	1132
[1179]	1133	!
	1134	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1135	!-- the reference state will be set (overwritten) in init_ocean)
	1136	IF ( use_single_reference_value ) THEN
	1137	IF ( .NOT. humidity ) THEN
	1138	ref_state(:) = pt_reference
	1139	ELSE
	1140	ref_state(:) = vpt_reference
	1141	ENDIF
	1142	ELSE
	1143	IF ( .NOT. humidity ) THEN
	1144	ref_state(:) = pt_init(:)
	1145	ELSE
	1146	ref_state(:) = vpt(:,nys,nxl)
	1147	ENDIF
	1148	ENDIF
[152]	1149
	1150	!
[707]	1151	!-- For the moment, vertical velocity is zero
[1340]	1152	w = 0.0_wp
[1]	1153
	1154	!
	1155	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1156	sums = 0.0_wp
[1]	1157
	1158	!
[707]	1159	!-- In case of iterative solvers, p must get an initial value
[1575]	1160	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1161
	1162	!
[72]	1163	!-- Treating cloud physics, liquid water content and precipitation amount
	1164	!-- are zero at beginning of the simulation
	1165	IF ( cloud_physics ) THEN
[1340]	1166	ql = 0.0_wp
	1167	IF ( precipitation ) precipitation_amount = 0.0_wp
[1115]	1168	IF ( icloud_scheme == 0 ) THEN
[1340]	1169	qc = 0.0_wp
[1115]	1170	nc_1d = nc_const
	1171	ENDIF
[72]	1172	ENDIF
[673]	1173	!
[1]	1174	!-- Impose vortex with vertical axis on the initial velocity profile
	1175	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1176	CALL init_rankine
	1177	ENDIF
	1178
	1179	!
	1180	!-- Impose temperature anomaly (advection test only)
	1181	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1182	CALL init_pt_anomaly
	1183	ENDIF
	1184
	1185	!
	1186	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1187	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1188	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1189	ENDIF
	1190
	1191	!
	1192	!-- If required, change the surface humidity/scalar at the start of the 3D
	1193	!-- run
[75]	1194	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1195	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1196	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1197	ENDIF
	1198
	1199	!
	1200	!-- Initialize old and new time levels.
[1340]	1201	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]	1202	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1203
[75]	1204	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1205	tq_m = 0.0_wp
[1]	1206	q_p = q
[1115]	1207	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1208	precipitation ) THEN
[1340]	1209	tqr_m = 0.0_wp
[1053]	1210	qr_p = qr
[1340]	1211	tnr_m = 0.0_wp
[1053]	1212	nr_p = nr
	1213	ENDIF
[1]	1214	ENDIF
	1215
[94]	1216	IF ( ocean ) THEN
[1340]	1217	tsa_m = 0.0_wp
[94]	1218	sa_p = sa
	1219	ENDIF
[667]	1220
[1402]	1221	CALL location_message( 'finished', .TRUE. )
[94]	1222
[147]	1223	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1224	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1225	THEN
[1384]	1226
[1402]	1227	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1228	.FALSE. )
[1]	1229	!
[767]	1230	!-- When reading data for cyclic fill of 3D prerun data files, read
	1231	!-- some of the global variables from the restart file which are required
	1232	!-- for initializing the inflow
[328]	1233	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1234
[759]	1235	DO i = 0, io_blocks-1
	1236	IF ( i == io_group ) THEN
	1237	CALL read_parts_of_var_list
	1238	CALL close_file( 13 )
	1239	ENDIF
	1240	#if defined( __parallel )
	1241	CALL MPI_BARRIER( comm2d, ierr )
	1242	#endif
	1243	ENDDO
[328]	1244
[767]	1245	ENDIF
	1246
[151]	1247	!
[767]	1248	!-- Read binary data from restart file
	1249	DO i = 0, io_blocks-1
	1250	IF ( i == io_group ) THEN
	1251	CALL read_3d_binary
	1252	ENDIF
	1253	#if defined( __parallel )
	1254	CALL MPI_BARRIER( comm2d, ierr )
	1255	#endif
	1256	ENDDO
	1257
[328]	1258	!
[767]	1259	!-- Initialization of the turbulence recycling method
	1260	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1261	turbulent_inflow ) THEN
	1262	!
	1263	!-- First store the profiles to be used at the inflow.
	1264	!-- These profiles are the (temporally) and horizontally averaged vertical
	1265	!-- profiles from the prerun. Alternatively, prescribed profiles
	1266	!-- for u,v-components can be used.
[1615]	1267	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,6) )
[151]	1268
[767]	1269	IF ( use_prescribed_profile_data ) THEN
	1270	mean_inflow_profiles(:,1) = u_init ! u
	1271	mean_inflow_profiles(:,2) = v_init ! v
	1272	ELSE
[328]	1273	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1274	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1275	ENDIF
	1276	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1277	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1615]	1278	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
[151]	1279
	1280	!
[767]	1281	!-- If necessary, adjust the horizontal flow field to the prescribed
	1282	!-- profiles
	1283	IF ( use_prescribed_profile_data ) THEN
	1284	DO i = nxlg, nxrg
[667]	1285	DO j = nysg, nyng
[328]	1286	DO k = nzb, nzt+1
[767]	1287	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1288	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1289	ENDDO
[151]	1290	ENDDO
[767]	1291	ENDDO
	1292	ENDIF
[151]	1293
	1294	!
[767]	1295	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1296	!-- conditions are used)
	1297	IF ( inflow_l ) THEN
	1298	DO j = nysg, nyng
	1299	DO k = nzb, nzt+1
	1300	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1301	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1302	w(k,j,nxlg:-1) = 0.0_wp
[767]	1303	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1304	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1615]	1305	IF ( humidity .OR. passive_scalar ) &
	1306	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[767]	1307	ENDDO
	1308	ENDDO
	1309	ENDIF
	1310
[151]	1311	!
[767]	1312	!-- Calculate the damping factors to be used at the inflow. For a
	1313	!-- turbulent inflow the turbulent fluctuations have to be limited
	1314	!-- vertically because otherwise the turbulent inflow layer will grow
	1315	!-- in time.
[1340]	1316	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1317	!
	1318	!-- Default: use the inversion height calculated by the prerun; if
	1319	!-- this is zero, inflow_damping_height must be explicitly
	1320	!-- specified.
[1340]	1321	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1322	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1323	ELSE
	1324	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1325	'explicitly specified because&the inversion height ', &
	1326	'calculated by the prerun is zero.'
	1327	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1328	ENDIF
[151]	1329
[767]	1330	ENDIF
	1331
[1340]	1332	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1333	!
[767]	1334	!-- Default for the transition range: one tenth of the undamped
	1335	!-- layer
[1340]	1336	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1337
[767]	1338	ENDIF
[151]	1339
[767]	1340	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1341
[767]	1342	DO k = nzb, nzt+1
[151]	1343
[767]	1344	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1345	inflow_damping_factor(k) = 1.0_wp
[996]	1346	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1347	inflow_damping_factor(k) = 1.0_wp - &
[996]	1348	( zu(k) - inflow_damping_height ) / &
	1349	inflow_damping_width
[767]	1350	ELSE
[1340]	1351	inflow_damping_factor(k) = 0.0_wp
[767]	1352	ENDIF
[151]	1353
[767]	1354	ENDDO
[151]	1355
[147]	1356	ENDIF
	1357
[152]	1358	!
[359]	1359	!-- Inside buildings set velocities and TKE back to zero
	1360	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1361	topography /= 'flat' ) THEN
	1362	!
	1363	!-- Inside buildings set velocities and TKE back to zero.
	1364	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1365	!-- maybe revise later.
[1001]	1366	DO i = nxlg, nxrg
	1367	DO j = nysg, nyng
[1340]	1368	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1369	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1370	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1371	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1372	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1373	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1374	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1375	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1376	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1377	ENDDO
[1001]	1378	ENDDO
[359]	1379
	1380	ENDIF
	1381
	1382	!
[1]	1383	!-- Calculate initial temperature field and other constants used in case
	1384	!-- of a sloping surface
	1385	IF ( sloping_surface ) CALL init_slope
	1386
	1387	!
	1388	!-- Initialize new time levels (only done in order to set boundary values
	1389	!-- including ghost points)
	1390	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1391	IF ( humidity .OR. passive_scalar ) THEN
	1392	q_p = q
[1115]	1393	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1394	precipitation ) THEN
[1053]	1395	qr_p = qr
	1396	nr_p = nr
	1397	ENDIF
	1398	ENDIF
[94]	1399	IF ( ocean ) sa_p = sa
[1]	1400
[181]	1401	!
	1402	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1403	!-- have to be predefined here because they are used (but multiplied with 0)
	1404	!-- there before they are set.
[1340]	1405	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]	1406	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1407	tq_m = 0.0_wp
[1115]	1408	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1409	precipitation ) THEN
[1340]	1410	tqr_m = 0.0_wp
	1411	tnr_m = 0.0_wp
[1053]	1412	ENDIF
	1413	ENDIF
[1340]	1414	IF ( ocean ) tsa_m = 0.0_wp
[181]	1415
[1402]	1416	CALL location_message( 'finished', .TRUE. )
[1384]	1417
[1]	1418	ELSE
	1419	!
	1420	!-- Actually this part of the programm should not be reached
[254]	1421	message_string = 'unknown initializing problem'
	1422	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1423	ENDIF
	1424
[151]	1425
	1426	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1427	!
[151]	1428	!-- Initialize old timelevels needed for radiation boundary conditions
	1429	IF ( outflow_l ) THEN
	1430	u_m_l(:,:,:) = u(:,:,1:2)
	1431	v_m_l(:,:,:) = v(:,:,0:1)
	1432	w_m_l(:,:,:) = w(:,:,0:1)
	1433	ENDIF
	1434	IF ( outflow_r ) THEN
	1435	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1436	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1437	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1438	ENDIF
	1439	IF ( outflow_s ) THEN
	1440	u_m_s(:,:,:) = u(:,0:1,:)
	1441	v_m_s(:,:,:) = v(:,1:2,:)
	1442	w_m_s(:,:,:) = w(:,0:1,:)
	1443	ENDIF
	1444	IF ( outflow_n ) THEN
	1445	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1446	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1447	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1448	ENDIF
[667]	1449
[151]	1450	ENDIF
[680]	1451
[667]	1452	!
	1453	!-- Calculate the initial volume flow at the right and north boundary
[709]	1454	IF ( conserve_volume_flow ) THEN
[151]	1455
[767]	1456	IF ( use_prescribed_profile_data ) THEN
[667]	1457
[1340]	1458	volume_flow_initial_l = 0.0_wp
	1459	volume_flow_area_l = 0.0_wp
[732]	1460
[667]	1461	IF ( nxr == nx ) THEN
	1462	DO j = nys, nyn
[709]	1463	DO k = nzb_2d(j,nx)+1, nzt
[667]	1464	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1465	u_init(k) * dzw(k)
	1466	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1467	ENDDO
	1468	ENDDO
	1469	ENDIF
	1470
	1471	IF ( nyn == ny ) THEN
	1472	DO i = nxl, nxr
	1473	DO k = nzb_2d(ny,i)+1, nzt
	1474	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1475	v_init(k) * dzw(k)
	1476	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1477	ENDDO
	1478	ENDDO
	1479	ENDIF
	1480
	1481	#if defined( __parallel )
	1482	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1483	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1484	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1485	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1486
	1487	#else
	1488	volume_flow_initial = volume_flow_initial_l
	1489	volume_flow_area = volume_flow_area_l
	1490	#endif
	1491
	1492	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1493
[1340]	1494	volume_flow_initial_l = 0.0_wp
	1495	volume_flow_area_l = 0.0_wp
[767]	1496
	1497	IF ( nxr == nx ) THEN
	1498	DO j = nys, nyn
	1499	DO k = nzb_2d(j,nx)+1, nzt
	1500	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1501	hom_sum(k,1,0) * dzw(k)
	1502	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1503	ENDDO
	1504	ENDDO
	1505	ENDIF
	1506
	1507	IF ( nyn == ny ) THEN
	1508	DO i = nxl, nxr
[709]	1509	DO k = nzb_2d(ny,i)+1, nzt
[667]	1510	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1511	hom_sum(k,2,0) * dzw(k)
[667]	1512	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1513	ENDDO
	1514	ENDDO
	1515	ENDIF
	1516
[732]	1517	#if defined( __parallel )
	1518	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1519	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1520	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1521	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1522
	1523	#else
	1524	volume_flow_initial = volume_flow_initial_l
	1525	volume_flow_area = volume_flow_area_l
	1526	#endif
	1527
[667]	1528	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1529
[1340]	1530	volume_flow_initial_l = 0.0_wp
	1531	volume_flow_area_l = 0.0_wp
[732]	1532
[667]	1533	IF ( nxr == nx ) THEN
	1534	DO j = nys, nyn
[709]	1535	DO k = nzb_2d(j,nx)+1, nzt
[667]	1536	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1537	u(k,j,nx) * dzw(k)
[667]	1538	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1539	ENDDO
	1540	ENDDO
	1541	ENDIF
	1542
	1543	IF ( nyn == ny ) THEN
	1544	DO i = nxl, nxr
[709]	1545	DO k = nzb_2d(ny,i)+1, nzt
[667]	1546	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1547	v(k,ny,i) * dzw(k)
	1548	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1549	ENDDO
	1550	ENDDO
	1551	ENDIF
	1552
	1553	#if defined( __parallel )
[732]	1554	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1555	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1556	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1557	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1558
	1559	#else
[732]	1560	volume_flow_initial = volume_flow_initial_l
	1561	volume_flow_area = volume_flow_area_l
[667]	1562	#endif
	1563
[732]	1564	ENDIF
	1565
[151]	1566	!
[709]	1567	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1568	!-- from u\|v_bulk instead
[680]	1569	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1570	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1571	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1572	ENDIF
[667]	1573
[680]	1574	ENDIF
	1575
[787]	1576	!
	1577	!-- Initialize quantities for special advections schemes
	1578	CALL init_advec
[680]	1579
[667]	1580	!
[680]	1581	!-- Impose random perturbation on the horizontal velocity field and then
	1582	!-- remove the divergences from the velocity field at the initial stage
[1734]	1583	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND.&
[680]	1584	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1585	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1586
[1402]	1587	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1588	CALL disturb_field( nzb_u_inner, tend, u )
	1589	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1590	CALL location_message( 'finished', .TRUE. )
[1384]	1591
[1402]	1592	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1593	n_sor = nsor_ini
[1221]	1594	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1595	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1596	!$acc copyin( weight_pres, weight_substep ) &
	1597	!$acc copy( tri, tric, u, v, w )
[680]	1598	CALL pres
[1111]	1599	!$acc end data
[680]	1600	n_sor = nsor
[1402]	1601	CALL location_message( 'finished', .TRUE. )
[1384]	1602
[680]	1603	ENDIF
	1604
	1605	!
[1484]	1606	!-- If required, initialize quantities needed for the plant canopy model
	1607	IF ( plant_canopy ) CALL init_plant_canopy
[138]	1608
	1609	!
[1]	1610	!-- If required, initialize dvrp-software
[1340]	1611	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1612
[96]	1613	IF ( ocean ) THEN
[1]	1614	!
[96]	1615	!-- Initialize quantities needed for the ocean model
	1616	CALL init_ocean
[388]	1617
[96]	1618	ELSE
	1619	!
	1620	!-- Initialize quantities for handling cloud physics
[849]	1621	!-- This routine must be called before lpm_init, because
[96]	1622	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1623	!-- lpm_init) is not defined.
[96]	1624	CALL init_cloud_physics
	1625	ENDIF
[1]	1626
	1627	!
	1628	!-- If required, initialize particles
[849]	1629	IF ( particle_advection ) CALL lpm_init
[1]	1630
[1585]	1631	!
	1632	!-- If required, initialize quantities needed for the LSM
	1633	IF ( land_surface ) THEN
	1634	CALL location_message( 'initializing land surface model', .FALSE. )
	1635	CALL init_lsm
	1636	CALL location_message( 'finished', .TRUE. )
	1637	ENDIF
[1496]	1638
[1]	1639	!
[1691]	1640	!-- Initialize surface layer (done after LSM as roughness length are required
	1641	!-- for initialization
	1642	IF ( constant_flux_layer ) THEN
	1643	CALL location_message( 'initializing surface layer', .FALSE. )
	1644	CALL init_surface_layer_fluxes
	1645	CALL location_message( 'finished', .TRUE. )
	1646	ENDIF
	1647
	1648	!
[1496]	1649	!-- If required, initialize radiation model
	1650	IF ( radiation ) THEN
[1585]	1651	CALL location_message( 'initializing radiation model', .FALSE. )
[1496]	1652	CALL init_radiation
[1585]	1653	CALL location_message( 'finished', .TRUE. )
[1496]	1654	ENDIF
	1655
	1656	!
[673]	1657	!-- Initialize the ws-scheme.
	1658	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1659
	1660	!
[709]	1661	!-- Setting weighting factors for calculation of perturbation pressure
	1662	!-- and turbulent quantities from the RK substeps
	1663	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1664
[1322]	1665	weight_substep(1) = 1._wp/6._wp
	1666	weight_substep(2) = 3._wp/10._wp
	1667	weight_substep(3) = 8._wp/15._wp
[709]	1668
[1322]	1669	weight_pres(1) = 1._wp/3._wp
	1670	weight_pres(2) = 5._wp/12._wp
	1671	weight_pres(3) = 1._wp/4._wp
[709]	1672
	1673	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1674
[1322]	1675	weight_substep(1) = 1._wp/2._wp
	1676	weight_substep(2) = 1._wp/2._wp
[673]	1677
[1322]	1678	weight_pres(1) = 1._wp/2._wp
	1679	weight_pres(2) = 1._wp/2._wp
[709]	1680
[1001]	1681	ELSE ! for Euler-method
[709]	1682
[1340]	1683	weight_substep(1) = 1.0_wp
	1684	weight_pres(1) = 1.0_wp
[709]	1685
[673]	1686	ENDIF
	1687
	1688	!
[1]	1689	!-- Initialize Rayleigh damping factors
[1340]	1690	rdf = 0.0_wp
	1691	rdf_sc = 0.0_wp
	1692	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[108]	1693	IF ( .NOT. ocean ) THEN
	1694	DO k = nzb+1, nzt
	1695	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1696	rdf(k) = rayleigh_damping_factor * &
[1340]	1697	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
	1698	/ ( zu(nzt) - rayleigh_damping_height ) )&
[1]	1699	)**2
[108]	1700	ENDIF
	1701	ENDDO
	1702	ELSE
	1703	DO k = nzt, nzb+1, -1
	1704	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1705	rdf(k) = rayleigh_damping_factor * &
[1340]	1706	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
	1707	/ ( rayleigh_damping_height - zu(nzb+1)))&
[108]	1708	)**2
	1709	ENDIF
	1710	ENDDO
	1711	ENDIF
[1]	1712	ENDIF
[785]	1713	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1714
	1715	!
[240]	1716	!-- Initialize the starting level and the vertical smoothing factor used for
	1717	!-- the external pressure gradient
[1340]	1718	dp_smooth_factor = 1.0_wp
[240]	1719	IF ( dp_external ) THEN
	1720	!
	1721	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1722	!-- (e.g. in init_grid).
	1723	IF ( dp_level_ind_b == 0 ) THEN
	1724	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1725	dp_level_ind_b = ind_array(1) - 1 + nzb
	1726	! MINLOC uses lower array bound 1
	1727	ENDIF
	1728	IF ( dp_smooth ) THEN
[1340]	1729	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1730	DO k = dp_level_ind_b+1, nzt
[1340]	1731	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1732	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1733	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1734	ENDDO
	1735	ENDIF
	1736	ENDIF
	1737
	1738	!
[978]	1739	!-- Initialize damping zone for the potential temperature in case of
	1740	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1741	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1742	ptdf_x = 0.0_wp
	1743	ptdf_y = 0.0_wp
[1159]	1744	IF ( bc_lr_dirrad ) THEN
[996]	1745	DO i = nxl, nxr
[978]	1746	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1747	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1748	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
	1749	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1750	ENDIF
	1751	ENDDO
[1159]	1752	ELSEIF ( bc_lr_raddir ) THEN
[996]	1753	DO i = nxl, nxr
[978]	1754	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1755	ptdf_x(i) = pt_damping_factor * &
[1340]	1756	SIN( pi * 0.5_wp * &
	1757	( ( i - nx ) * dx + pt_damping_width ) / &
	1758	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1759	ENDIF
[978]	1760	ENDDO
[1159]	1761	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1762	DO j = nys, nyn
[978]	1763	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1764	ptdf_y(j) = pt_damping_factor * &
[1340]	1765	SIN( pi * 0.5_wp * &
	1766	( ( j - ny ) * dy + pt_damping_width ) / &
	1767	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1768	ENDIF
[978]	1769	ENDDO
[1159]	1770	ELSEIF ( bc_ns_raddir ) THEN
[996]	1771	DO j = nys, nyn
[978]	1772	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1773	ptdf_y(j) = pt_damping_factor * &
[1340]	1774	SIN( pi * 0.5_wp * &
	1775	( pt_damping_width - j * dy ) / &
	1776	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1777	ENDIF
[73]	1778	ENDDO
[1]	1779	ENDIF
	1780
	1781	!
[709]	1782	!-- Initialize local summation arrays for routine flow_statistics.
	1783	!-- This is necessary because they may not yet have been initialized when they
	1784	!-- are called from flow_statistics (or - depending on the chosen model run -
	1785	!-- are never initialized)
[1340]	1786	sums_divnew_l = 0.0_wp
	1787	sums_divold_l = 0.0_wp
	1788	sums_l_l = 0.0_wp
	1789	sums_up_fraction_l = 0.0_wp
	1790	sums_wsts_bc_l = 0.0_wp
[1]	1791
	1792	!
	1793	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1794	!-- Ghost points are excluded because counting values at the ghost boundaries
	1795	!-- would bias the statistics
[1340]	1796	rmask = 1.0_wp
	1797	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1798	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1799
	1800	!
[51]	1801	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1802	!-- of allowed timeseries is exceeded
[1]	1803	CALL user_init
	1804
[51]	1805	IF ( dots_num > dots_max ) THEN
[254]	1806	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1807	' its maximum of dots_max = ', dots_max, &
[254]	1808	' &Please increase dots_max in modules.f90.'
	1809	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1810	ENDIF
	1811
[1]	1812	!
	1813	!-- Input binary data file is not needed anymore. This line must be placed
	1814	!-- after call of user_init!
	1815	CALL close_file( 13 )
	1816
	1817	!
	1818	!-- Compute total sum of active mask grid points
	1819	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1820	!-- total domain
	1821	!-- ngp_3d: number of grid points of the total domain
[132]	1822	ngp_2dh_outer_l = 0
	1823	ngp_2dh_outer = 0
	1824	ngp_2dh_s_inner_l = 0
	1825	ngp_2dh_s_inner = 0
	1826	ngp_2dh_l = 0
	1827	ngp_2dh = 0
[1340]	1828	ngp_3d_inner_l = 0.0_wp
[132]	1829	ngp_3d_inner = 0
	1830	ngp_3d = 0
	1831	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1832
	1833	DO sr = 0, statistic_regions
	1834	DO i = nxl, nxr
	1835	DO j = nys, nyn
[1340]	1836	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1837	!
	1838	!-- All xy-grid points
	1839	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1840	!
	1841	!-- xy-grid points above topography
	1842	DO k = nzb_s_outer(j,i), nz + 1
	1843	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1844	ENDDO
[132]	1845	DO k = nzb_s_inner(j,i), nz + 1
	1846	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1847	ENDDO
[1]	1848	!
	1849	!-- All grid points of the total domain above topography
	1850	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1851	( nz - nzb_s_inner(j,i) + 2 )
	1852	ENDIF
	1853	ENDDO
	1854	ENDDO
	1855	ENDDO
	1856
	1857	sr = statistic_regions + 1
	1858	#if defined( __parallel )
[622]	1859	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1860	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1861	comm2d, ierr )
[622]	1862	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1863	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1864	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1865	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1866	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1867	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1868	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1869	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1870	MPI_SUM, comm2d, ierr )
[485]	1871	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1872	#else
[132]	1873	ngp_2dh = ngp_2dh_l
	1874	ngp_2dh_outer = ngp_2dh_outer_l
	1875	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1876	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1877	#endif
	1878
[560]	1879	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1880	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1881
	1882	!
	1883	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1884	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1885	!-- the respective subdomain lie below the surface topography
[667]	1886	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1887	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1888	ngp_3d_inner(:) )
[667]	1889	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1890
[485]	1891	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1892
[1402]	1893	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	1894
	1895	END SUBROUTINE init_3d_model

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