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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1736

Last change on this file since 1736 was 1735, checked in by raasch, 8 years ago
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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	! ------------------
[1586]	21	!
[1735]	22	!
[1485]	23	! Former revisions:
	24	! -----------------
	25	! $Id: init_3d_model.f90 1735 2015-12-02 12:20:45Z raasch $
	26	!
[1735]	27	! 1734 2015-12-02 12:17:12Z raasch
	28	! no initial disturbances in case that the disturbance energy limit has been
	29	! set zero
	30	!
[1708]	31	! 1707 2015-11-02 15:24:52Z maronga
	32	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	33	! devision by zero in neutral stratification
	34	!
[1692]	35	! 1691 2015-10-26 16:17:44Z maronga
	36	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	37	!
[1683]	38	! 1682 2015-10-07 23:56:08Z knoop
	39	! Code annotations made doxygen readable
	40	!
[1616]	41	! 1615 2015-07-08 18:49:19Z suehring
	42	! Enable turbulent inflow for passive_scalar and humidity
	43	!
[1586]	44	! 1585 2015-04-30 07:05:52Z maronga
	45	! Initialization of radiation code is now done after LSM initializtion
	46	!
[1576]	47	! 1575 2015-03-27 09:56:27Z raasch
	48	! adjustments for psolver-queries
	49	!
[1552]	50	! 1551 2015-03-03 14:18:16Z maronga
	51	! Allocation of land surface arrays is now done in the subroutine init_lsm_arrays,
	52	! which is part of land_surface_model.
	53	!
[1508]	54	! 1507 2014-12-10 12:14:18Z suehring
	55	! Bugfix: set horizontal velocity components to zero inside topography
	56	!
[1497]	57	! 1496 2014-12-02 17:25:50Z maronga
	58	! Added initialization of the land surface and radiation schemes
	59	!
[1485]	60	! 1484 2014-10-21 10:53:05Z kanani
[1484]	61	! Changes due to new module structure of the plant canopy model:
[1508]	62	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	63	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	64	! call of subroutine init_plant_canopy added.
[1341]	65	!
[1432]	66	! 1431 2014-07-15 14:47:17Z suehring
	67	! var_d added, in order to normalize spectra.
	68	!
[1430]	69	! 1429 2014-07-15 12:53:45Z knoop
	70	! Ensemble run capability added to parallel random number generator
	71	!
[1412]	72	! 1411 2014-05-16 18:01:51Z suehring
	73	! Initial horizontal velocity profiles were not set to zero at the first vertical
	74	! grid level in case of non-cyclic lateral boundary conditions.
	75	!
[1407]	76	! 1406 2014-05-16 13:47:01Z raasch
	77	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	78	! no-slip boundary condition for uv
	79	!
[1403]	80	! 1402 2014-05-09 14:25:13Z raasch
	81	! location messages modified
	82	!
[1401]	83	! 1400 2014-05-09 14:03:54Z knoop
	84	! Parallel random number generator added
	85	!
[1385]	86	! 1384 2014-05-02 14:31:06Z raasch
	87	! location messages added
	88	!
[1362]	89	! 1361 2014-04-16 15:17:48Z hoffmann
	90	! tend_* removed
	91	! Bugfix: w_subs is not allocated anymore if it is already allocated
	92	!
[1360]	93	! 1359 2014-04-11 17:15:14Z hoffmann
	94	! module lpm_init_mod added to use statements, because lpm_init has become a
	95	! module
	96	!
[1354]	97	! 1353 2014-04-08 15:21:23Z heinze
	98	! REAL constants provided with KIND-attribute
	99	!
[1341]	100	! 1340 2014-03-25 19:45:13Z kanani
	101	! REAL constants defined as wp-kind
	102	!
[1323]	103	! 1322 2014-03-20 16:38:49Z raasch
	104	! REAL constants defined as wp-kind
	105	! module interfaces removed
	106	!
[1321]	107	! 1320 2014-03-20 08:40:49Z raasch
	108	! ONLY-attribute added to USE-statements,
	109	! kind-parameters added to all INTEGER and REAL declaration statements,
	110	! kinds are defined in new module kinds,
	111	! revision history before 2012 removed,
	112	! comment fields (!:) to be used for variable explanations added to
	113	! all variable declaration statements
	114	!
[1317]	115	! 1316 2014-03-17 07:44:59Z heinze
	116	! Bugfix: allocation of w_subs
	117	!
[1300]	118	! 1299 2014-03-06 13:15:21Z heinze
	119	! Allocate w_subs due to extension of large scale subsidence in combination
	120	! with large scale forcing data (LSF_DATA)
	121	!
[1242]	122	! 1241 2013-10-30 11:36:58Z heinze
	123	! Overwrite initial profiles in case of nudging
	124	! Inititialize shf and qsws in case of large_scale_forcing
	125	!
[1222]	126	! 1221 2013-09-10 08:59:13Z raasch
	127	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	128	! copy
	129	!
[1213]	130	! 1212 2013-08-15 08:46:27Z raasch
	131	! array tri is allocated and included in data copy statement
	132	!
[1196]	133	! 1195 2013-07-01 12:27:57Z heinze
	134	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	135	!
[1182]	136	! 1179 2013-06-14 05:57:58Z raasch
	137	! allocate and set ref_state to be used in buoyancy terms
	138	!
[1172]	139	! 1171 2013-05-30 11:27:45Z raasch
	140	! diss array is allocated with full size if accelerator boards are used
	141	!
[1160]	142	! 1159 2013-05-21 11:58:22Z fricke
	143	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	144	!
[1154]	145	! 1153 2013-05-10 14:33:08Z raasch
	146	! diss array is allocated with dummy elements even if it is not needed
[1171]	147	! (required by PGI 13.4 / CUDA 5.0)
[1154]	148	!
[1116]	149	! 1115 2013-03-26 18:16:16Z hoffmann
	150	! unused variables removed
	151	!
[1114]	152	! 1113 2013-03-10 02:48:14Z raasch
	153	! openACC directive modified
	154	!
[1112]	155	! 1111 2013-03-08 23:54:10Z raasch
	156	! openACC directives added for pres
	157	! array diss allocated only if required
	158	!
[1093]	159	! 1092 2013-02-02 11:24:22Z raasch
	160	! unused variables removed
	161	!
[1066]	162	! 1065 2012-11-22 17:42:36Z hoffmann
	163	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	164	!
[1054]	165	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	166	! allocation and initialisation of necessary data arrays for the two-moment
	167	! cloud physics scheme the two new prognostic equations (nr, qr):
	168	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	169	! +tend_*, prr
[979]	170	!
[1037]	171	! 1036 2012-10-22 13:43:42Z raasch
	172	! code put under GPL (PALM 3.9)
	173	!
[1033]	174	! 1032 2012-10-21 13:03:21Z letzel
	175	! save memory by not allocating pt_2 in case of neutral = .T.
	176	!
[1026]	177	! 1025 2012-10-07 16:04:41Z letzel
	178	! bugfix: swap indices of mask for ghost boundaries
	179	!
[1017]	180	! 1015 2012-09-27 09:23:24Z raasch
	181	! mask is set to zero for ghost boundaries
	182	!
[1011]	183	! 1010 2012-09-20 07:59:54Z raasch
	184	! cpp switch __nopointer added for pointer free version
	185	!
[1004]	186	! 1003 2012-09-14 14:35:53Z raasch
	187	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	188	!
[1002]	189	! 1001 2012-09-13 14:08:46Z raasch
	190	! all actions concerning leapfrog scheme removed
	191	!
[997]	192	! 996 2012-09-07 10:41:47Z raasch
	193	! little reformatting
	194	!
[979]	195	! 978 2012-08-09 08:28:32Z fricke
[978]	196	! outflow damping layer removed
	197	! roughness length for scalar quantites z0h added
	198	! damping zone for the potential temperatur in case of non-cyclic lateral
	199	! boundaries added
	200	! initialization of ptdf_x, ptdf_y
	201	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	202	!
[850]	203	! 849 2012-03-15 10:35:09Z raasch
	204	! init_particles renamed lpm_init
	205	!
[826]	206	! 825 2012-02-19 03:03:44Z raasch
	207	! wang_collision_kernel renamed wang_kernel
	208	!
[1]	209	! Revision 1.1 1998/03/09 16:22:22 raasch
	210	! Initial revision
	211	!
	212	!
	213	! Description:
	214	! ------------
[1682]	215	!> Allocation of arrays and initialization of the 3D model via
	216	!> a) pre-run the 1D model
	217	!> or
	218	!> b) pre-set constant linear profiles
	219	!> or
	220	!> c) read values of a previous run
[1]	221	!------------------------------------------------------------------------------!
[1682]	222	SUBROUTINE init_3d_model
	223
[1]	224
[667]	225	USE advec_ws
[1320]	226
[1]	227	USE arrays_3d
[1320]	228
	229	USE cloud_parameters, &
	230	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	231
	232	USE constants, &
	233	ONLY: pi
	234
[1]	235	USE control_parameters
[1320]	236
	237	USE grid_variables, &
	238	ONLY: dx, dy
	239
[1]	240	USE indices
[1359]	241
[1429]	242	USE lpm_init_mod, &
[1359]	243	ONLY: lpm_init
[1320]	244
	245	USE kinds
[1496]	246
	247	USE land_surface_model_mod, &
[1551]	248	ONLY: init_lsm, init_lsm_arrays, land_surface
[1496]	249
[1241]	250	USE ls_forcing_mod
[1320]	251
	252	USE model_1d, &
	253	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	254
[51]	255	USE netcdf_control
[1320]	256
	257	USE particle_attributes, &
	258	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	259
[1]	260	USE pegrid
[1320]	261
[1484]	262	USE plant_canopy_model_mod, &
	263	ONLY: init_plant_canopy, plant_canopy
[1496]	264
	265	USE radiation_model_mod, &
	266	ONLY: init_radiation, radiation
[1484]	267
[1320]	268	USE random_function_mod
	269
[1400]	270	USE random_generator_parallel, &
	271	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	272	id_random_array, seq_random_array
	273
[1320]	274	USE statistics, &
	275	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	276	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	277	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
[1431]	278	var_d, weight_pres, weight_substep
[1691]	279
	280	USE surface_layer_fluxes_mod, &
	281	ONLY: init_surface_layer_fluxes
	282
[1320]	283	USE transpose_indices
[1]	284
	285	IMPLICIT NONE
	286
[1682]	287	INTEGER(iwp) :: i !<
	288	INTEGER(iwp) :: ind_array(1) !<
	289	INTEGER(iwp) :: j !<
	290	INTEGER(iwp) :: k !<
	291	INTEGER(iwp) :: sr !<
[1]	292
[1682]	293	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	294
[1682]	295	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	296	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	297
[1682]	298	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !<
	299	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !<
[1]	300
[1682]	301	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	302	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	303
[485]	304
[1402]	305	CALL location_message( 'allocating arrays', .FALSE. )
[1]	306	!
	307	!-- Allocate arrays
	308	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	309	ngp_3d(0:statistic_regions), &
	310	ngp_3d_inner(0:statistic_regions), &
	311	ngp_3d_inner_l(0:statistic_regions), &
[485]	312	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	313	sums_divnew_l(0:statistic_regions), &
	314	sums_divold_l(0:statistic_regions) )
[1195]	315	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	316	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	317	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	318	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	319	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	320	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	321	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	322	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	323	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	324	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	325	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	326	ts_value(dots_max,0:statistic_regions) )
[978]	327	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	328
[1691]	329	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
[1001]	330	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	331	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	332	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	333	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	334	z0h(nysg:nyng,nxlg:nxrg) )
[1]	335
[1010]	336	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	337	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	339	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	340	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	341
	342	#if defined( __nopointer )
	343	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	344	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	345	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	346	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	347	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	348	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	349	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	350	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	351	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	352	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	353	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	354	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	355	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	356	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	357	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	358	#else
	359	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	360	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	361	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	362	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	363	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	364	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	365	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	366	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	367	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	368	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	369	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	370	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	371	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	372	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	373	IF ( .NOT. neutral ) THEN
	374	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	375	ENDIF
[1010]	376	#endif
	377
[673]	378	!
[707]	379	!-- Following array is required for perturbation pressure within the iterative
	380	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	381	!-- the weighted average of the substeps and cannot be used in the Poisson
	382	!-- solver.
	383	IF ( psolver == 'sor' ) THEN
	384	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	385	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	386	!
	387	!-- For performance reasons, multigrid is using one ghost layer only
	388	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	389	ENDIF
[1]	390
[1111]	391	!
	392	!-- Array for storing constant coeffficients of the tridiagonal solver
	393	IF ( psolver == 'poisfft' ) THEN
[1212]	394	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	395	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	396	ENDIF
	397
[75]	398	IF ( humidity .OR. passive_scalar ) THEN
[1]	399	!
[75]	400	!-- 2D-humidity/scalar arrays
[1001]	401	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	402	qsws(nysg:nyng,nxlg:nxrg), &
	403	qswst(nysg:nyng,nxlg:nxrg) )
[1]	404
	405	!
[75]	406	!-- 3D-humidity/scalar arrays
[1010]	407	#if defined( __nopointer )
	408	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	409	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	410	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	411	#else
[667]	412	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	413	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	414	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	415	#endif
[1]	416
	417	!
[75]	418	!-- 3D-arrays needed for humidity only
	419	IF ( humidity ) THEN
[1010]	420	#if defined( __nopointer )
	421	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	422	#else
[667]	423	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	424	#endif
[1]	425
	426	IF ( cloud_physics ) THEN
[1053]	427
[1]	428	!
	429	!-- Liquid water content
[1010]	430	#if defined( __nopointer )
	431	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	432	#else
[667]	433	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	434	#endif
[72]	435	!
	436	!-- Precipitation amount and rate (only needed if output is switched)
[667]	437	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	438	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	439
	440	IF ( icloud_scheme == 0 ) THEN
	441	!
[1115]	442	!-- 1D-arrays
	443	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	444	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	445	!
[1115]	446	!-- 3D-cloud water content
[1053]	447	#if defined( __nopointer )
[1115]	448	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	449	#else
[1115]	450	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	451	#endif
[1115]	452
	453	IF ( precipitation ) THEN
[1053]	454	!
[1115]	455	!-- 1D-arrays
	456	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
[1361]	457
[1115]	458	!
	459	!-- 2D-rain water content and rain drop concentration arrays
	460	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	461	qrsws(nysg:nyng,nxlg:nxrg), &
	462	qrswst(nysg:nyng,nxlg:nxrg), &
	463	nrs(nysg:nyng,nxlg:nxrg), &
	464	nrsws(nysg:nyng,nxlg:nxrg), &
	465	nrswst(nysg:nyng,nxlg:nxrg) )
	466	!
	467	!-- 3D-rain water content, rain drop concentration arrays
	468	#if defined( __nopointer )
	469	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	474	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	475	#else
	476	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	477	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	478	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	479	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	480	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	481	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	482	#endif
	483	!
	484	!-- 3d-precipitation rate
[1053]	485	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	486	ENDIF
	487
	488	ENDIF
[1]	489	ENDIF
	490
	491	IF ( cloud_droplets ) THEN
	492	!
[1010]	493	!-- Liquid water content, change in liquid water content
	494	#if defined( __nopointer )
	495	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	496	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	497	#else
[667]	498	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	499	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	500	#endif
	501	!
	502	!-- Real volume of particles (with weighting), volume of particles
	503	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	504	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	505	ENDIF
	506
	507	ENDIF
	508
	509	ENDIF
	510
[94]	511	IF ( ocean ) THEN
[1001]	512	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	513	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	514	#if defined( __nopointer )
	515	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	516	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	517	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	518	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	519	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	520	#else
[667]	521	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	522	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	523	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	524	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	525	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	526	prho => prho_1
	527	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	528	! density to be apointer
[1010]	529	#endif
[108]	530	IF ( humidity_remote ) THEN
[667]	531	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	532	qswst_remote = 0.0_wp
[108]	533	ENDIF
[94]	534	ENDIF
	535
[1]	536	!
	537	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	538	!-- particle velocities
[1171]	539	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	540	num_acc_per_node > 0 ) THEN
[1153]	541	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	542	ENDIF
	543
[1340]	544	IF ( dt_dosp /= 9999999.9_wp ) THEN
[1]	545	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	546	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[1340]	547	spectrum_x = 0.0_wp
	548	spectrum_y = 0.0_wp
[1431]	549
	550	ALLOCATE( var_d(nzb:nzt+1) )
	551	var_d = 0.0_wp
[1]	552	ENDIF
	553
	554	!
[1299]	555	!-- 1D-array for large scale subsidence velocity
[1361]	556	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	557	ALLOCATE ( w_subs(nzb:nzt+1) )
	558	w_subs = 0.0_wp
	559	ENDIF
[1299]	560
	561	!
[1400]	562	!-- ID-array and state-space-array for the parallel random number generator
	563	IF ( random_generator == 'random-parallel' ) THEN
	564	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	565	ALLOCATE ( id_random_array(0:ny,0:nx) )
	566	seq_random_array = 0
	567	id_random_array = 0
	568	ENDIF
	569
	570	!
[51]	571	!-- 4D-array for storing the Rif-values at vertical walls
	572	IF ( topography /= 'flat' ) THEN
[667]	573	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	574	rif_wall = 0.0_wp
[51]	575	ENDIF
	576
	577	!
[106]	578	!-- Arrays to store velocity data from t-dt and the phase speeds which
	579	!-- are needed for radiation boundary conditions
[73]	580	IF ( outflow_l ) THEN
[667]	581	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	582	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	583	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	584	ENDIF
	585	IF ( outflow_r ) THEN
[667]	586	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	587	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	588	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	589	ENDIF
[106]	590	IF ( outflow_l .OR. outflow_r ) THEN
[667]	591	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	592	c_w(nzb:nzt+1,nysg:nyng) )
[106]	593	ENDIF
[73]	594	IF ( outflow_s ) THEN
[667]	595	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	596	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	597	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	598	ENDIF
	599	IF ( outflow_n ) THEN
[667]	600	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	601	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	602	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	603	ENDIF
[106]	604	IF ( outflow_s .OR. outflow_n ) THEN
[667]	605	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	606	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	607	ENDIF
[996]	608	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	609	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	610	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	611	ENDIF
[73]	612
[978]	613
[1010]	614	#if ! defined( __nopointer )
[73]	615	!
[1]	616	!-- Initial assignment of the pointers
[1001]	617	e => e_1; e_p => e_2; te_m => e_3
[1032]	618	IF ( .NOT. neutral ) THEN
	619	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	620	ELSE
	621	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	622	ENDIF
[1001]	623	u => u_1; u_p => u_2; tu_m => u_3
	624	v => v_1; v_p => v_2; tv_m => v_3
	625	w => w_1; w_p => w_2; tw_m => w_3
[1]	626
[1001]	627	IF ( humidity .OR. passive_scalar ) THEN
	628	q => q_1; q_p => q_2; tq_m => q_3
[1053]	629	IF ( humidity ) THEN
	630	vpt => vpt_1
	631	IF ( cloud_physics ) THEN
	632	ql => ql_1
	633	IF ( icloud_scheme == 0 ) THEN
[1115]	634	qc => qc_1
	635	IF ( precipitation ) THEN
	636	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	637	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	638	ENDIF
[1053]	639	ENDIF
	640	ENDIF
	641	ENDIF
[1001]	642	IF ( cloud_droplets ) THEN
	643	ql => ql_1
	644	ql_c => ql_2
[1]	645	ENDIF
[1001]	646	ENDIF
[1]	647
[1001]	648	IF ( ocean ) THEN
	649	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	650	ENDIF
[1010]	651	#endif
[1]	652
	653	!
[1551]	654	!-- Allocate land surface model arrays
	655	IF ( land_surface ) THEN
	656	CALL init_lsm_arrays
	657	ENDIF
	658
	659	!
[709]	660	!-- Allocate arrays containing the RK coefficient for calculation of
	661	!-- perturbation pressure and turbulent fluxes. At this point values are
	662	!-- set for pressure calculation during initialization (where no timestep
	663	!-- is done). Further below the values needed within the timestep scheme
	664	!-- will be set.
	665	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	666	weight_pres(1:intermediate_timestep_count_max) )
[1340]	667	weight_substep = 1.0_wp
	668	weight_pres = 1.0_wp
[709]	669	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	670
[1402]	671	CALL location_message( 'finished', .TRUE. )
[673]	672	!
[1]	673	!-- Initialize model variables
[147]	674	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	675	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	676	!
	677	!-- First model run of a possible job queue.
	678	!-- Initial profiles of the variables must be computes.
	679	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	680
[1402]	681	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	682	!
	683	!-- Use solutions of the 1D model as initial profiles,
	684	!-- start 1D model
	685	CALL init_1d_model
	686	!
	687	!-- Transfer initial profiles to the arrays of the 3D model
[667]	688	DO i = nxlg, nxrg
	689	DO j = nysg, nyng
[1]	690	e(:,j,i) = e1d
	691	kh(:,j,i) = kh1d
	692	km(:,j,i) = km1d
	693	pt(:,j,i) = pt_init
	694	u(:,j,i) = u1d
	695	v(:,j,i) = v1d
	696	ENDDO
	697	ENDDO
	698
[75]	699	IF ( humidity .OR. passive_scalar ) THEN
[667]	700	DO i = nxlg, nxrg
	701	DO j = nysg, nyng
[1]	702	q(:,j,i) = q_init
	703	ENDDO
	704	ENDDO
[1353]	705	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	706	precipitation ) THEN
[1053]	707	DO i = nxlg, nxrg
	708	DO j = nysg, nyng
[1340]	709	qr(:,j,i) = 0.0_wp
	710	nr(:,j,i) = 0.0_wp
[1053]	711	ENDDO
	712	ENDDO
[1115]	713	!
	714	!-- Initialze nc_1d with default value
	715	nc_1d(:) = nc_const
	716
[1053]	717	ENDIF
[1]	718	ENDIF
	719
	720	IF ( .NOT. constant_diffusion ) THEN
[667]	721	DO i = nxlg, nxrg
	722	DO j = nysg, nyng
[1]	723	e(:,j,i) = e1d
	724	ENDDO
	725	ENDDO
	726	!
	727	!-- Store initial profiles for output purposes etc.
	728	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	729
[1691]	730	IF ( constant_flux_layer ) THEN
[1707]	731	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	732	ts = 0.0_wp ! could actually be computed more accurately in the
	733	! 1D model. Update when opportunity arises.
[1]	734	us = us1d
	735	usws = usws1d
	736	vsws = vsws1d
	737	ELSE
[1340]	738	ts = 0.0_wp ! must be set, because used in
[1691]	739	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	740	us = 0.0_wp
	741	usws = 0.0_wp
	742	vsws = 0.0_wp
[1]	743	ENDIF
	744
	745	ELSE
[1340]	746	e = 0.0_wp ! must be set, because used in
[1691]	747	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	748	ts = 0.0_wp
	749	us = 0.0_wp
	750	usws = 0.0_wp
	751	vsws = 0.0_wp
[1]	752	ENDIF
[102]	753	uswst = top_momentumflux_u
	754	vswst = top_momentumflux_v
[1]	755
	756	!
	757	!-- In every case qs = 0.0 (see also pt)
	758	!-- This could actually be computed more accurately in the 1D model.
	759	!-- Update when opportunity arises!
[1053]	760	IF ( humidity .OR. passive_scalar ) THEN
[1340]	761	qs = 0.0_wp
[1353]	762	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	763	precipitation ) THEN
[1340]	764	qrs = 0.0_wp
	765	nrs = 0.0_wp
[1053]	766	ENDIF
	767	ENDIF
[1]	768
	769	!
	770	IF ( topography /= 'flat' ) THEN
	771	DO i = nxl-1, nxr+1
	772	DO j = nys-1, nyn+1
[1340]	773	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	774	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	775	ENDDO
	776	ENDDO
[667]	777
[1]	778	!
	779	!-- WARNING: The extra boundary conditions set after running the
	780	!-- ------- 1D model impose an error on the divergence one layer
	781	!-- below the topography; need to correct later
	782	!-- ATTENTION: Provisional correction for Piacsek & Williams
	783	!-- --------- advection scheme: keep u and v zero one layer below
	784	!-- the topography.
[667]	785	IF ( ibc_uv_b == 1 ) THEN
	786	!
[1]	787	!-- Neumann condition
	788	DO i = nxl-1, nxr+1
	789	DO j = nys-1, nyn+1
	790	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	791	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	792	ENDDO
	793	ENDDO
	794
	795	ENDIF
	796
	797	ENDIF
	798
[1402]	799	CALL location_message( 'finished', .TRUE. )
[1384]	800
[1]	801	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	802	THEN
[1241]	803
[1402]	804	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	805	!
[1241]	806	!-- Overwrite initial profiles in case of nudging
	807	IF ( nudging ) THEN
	808	pt_init = ptnudge(:,1)
	809	u_init = unudge(:,1)
	810	v_init = vnudge(:,1)
	811	IF ( humidity .OR. passive_scalar ) THEN
	812	q_init = qnudge(:,1)
	813	ENDIF
	814
	815	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	816	'scalars from NUDGING_DATA are used.'
	817	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	818	ENDIF
	819
	820	!
[1]	821	!-- Use constructed initial profiles (velocity constant with height,
	822	!-- temperature profile with constant gradient)
[667]	823	DO i = nxlg, nxrg
	824	DO j = nysg, nyng
[1]	825	pt(:,j,i) = pt_init
	826	u(:,j,i) = u_init
	827	v(:,j,i) = v_init
	828	ENDDO
	829	ENDDO
[75]	830
[1]	831	!
[292]	832	!-- Set initial horizontal velocities at the lowest computational grid
	833	!-- levels to zero in order to avoid too small time steps caused by the
	834	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	835	!-- in the limiting formula!). The original values are stored to be later
	836	!-- used for volume flow control.
[1507]	837	IF ( ibc_uv_b /= 1 ) THEN
[1406]	838	DO i = nxlg, nxrg
	839	DO j = nysg, nyng
	840	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	841	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	842	ENDDO
[1]	843	ENDDO
[1406]	844	ENDIF
[1]	845
[75]	846	IF ( humidity .OR. passive_scalar ) THEN
[667]	847	DO i = nxlg, nxrg
	848	DO j = nysg, nyng
[1]	849	q(:,j,i) = q_init
	850	ENDDO
	851	ENDDO
[1115]	852	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	853	!
	854	!-- Initialze nc_1d with default value
	855	nc_1d(:) = nc_const
	856
	857	IF ( precipitation ) THEN
	858	DO i = nxlg, nxrg
	859	DO j = nysg, nyng
[1340]	860	qr(:,j,i) = 0.0_wp
	861	nr(:,j,i) = 0.0_wp
[1115]	862	ENDDO
[1053]	863	ENDDO
[1115]	864	ENDIF
	865
[1053]	866	ENDIF
[1]	867	ENDIF
	868
[94]	869	IF ( ocean ) THEN
[667]	870	DO i = nxlg, nxrg
	871	DO j = nysg, nyng
[94]	872	sa(:,j,i) = sa_init
	873	ENDDO
	874	ENDDO
	875	ENDIF
[1]	876
	877	IF ( constant_diffusion ) THEN
	878	km = km_constant
	879	kh = km / prandtl_number
[1340]	880	e = 0.0_wp
	881	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	882	DO k = nzb+1, nzt
[1340]	883	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	884	ENDDO
	885	km(nzb,:,:) = km(nzb+1,:,:)
	886	km(nzt+1,:,:) = km(nzt,:,:)
	887	kh = km / prandtl_number
	888	e = e_init
[1]	889	ELSE
[108]	890	IF ( .NOT. ocean ) THEN
[1340]	891	kh = 0.01_wp ! there must exist an initial diffusion, because
	892	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	893	! production terms, as long as not yet
	894	! e = (u/cm)*2 at k=nzb+1
	895	ELSE
[1340]	896	kh = 0.00001_wp
	897	km = 0.00001_wp
[108]	898	ENDIF
[1340]	899	e = 0.0_wp
[1]	900	ENDIF
[1691]	901	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	902	ts = 0.0_wp
	903	us = 0.0_wp
	904	usws = 0.0_wp
[102]	905	uswst = top_momentumflux_u
[1340]	906	vsws = 0.0_wp
[102]	907	vswst = top_momentumflux_v
[1340]	908	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	909
	910	!
	911	!-- Compute initial temperature field and other constants used in case
	912	!-- of a sloping surface
	913	IF ( sloping_surface ) CALL init_slope
	914
[1402]	915	CALL location_message( 'finished', .TRUE. )
[1384]	916
[46]	917	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	918	THEN
[1384]	919
[1402]	920	CALL location_message( 'initializing by user', .FALSE. )
[46]	921	!
	922	!-- Initialization will completely be done by the user
	923	CALL user_init_3d_model
	924
[1402]	925	CALL location_message( 'finished', .TRUE. )
[1384]	926
[1]	927	ENDIF
[1384]	928
[1402]	929	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	930	.FALSE. )
[1384]	931
[667]	932	!
	933	!-- Bottom boundary
	934	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	935	u(nzb,:,:) = 0.0_wp
	936	v(nzb,:,:) = 0.0_wp
[667]	937	ENDIF
[1]	938
	939	!
[151]	940	!-- Apply channel flow boundary condition
[132]	941	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	942	u(nzt+1,:,:) = 0.0_wp
	943	v(nzt+1,:,:) = 0.0_wp
[132]	944	ENDIF
	945
	946	!
[1]	947	!-- Calculate virtual potential temperature
[1340]	948	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	949
	950	!
	951	!-- Store initial profiles for output purposes etc.
	952	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	953	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	954	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	955	hom(nzb,1,5,:) = 0.0_wp
	956	hom(nzb,1,6,:) = 0.0_wp
[1]	957	ENDIF
	958	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	959	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	960	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	961
[97]	962	IF ( ocean ) THEN
	963	!
	964	!-- Store initial salinity profile
	965	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	966	ENDIF
[1]	967
[75]	968	IF ( humidity ) THEN
[1]	969	!
	970	!-- Store initial profile of total water content, virtual potential
	971	!-- temperature
	972	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	973	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	974	IF ( cloud_physics .OR. cloud_droplets ) THEN
	975	!
	976	!-- Store initial profile of specific humidity and potential
	977	!-- temperature
	978	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	979	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	980	ENDIF
	981	ENDIF
	982
	983	IF ( passive_scalar ) THEN
	984	!
	985	!-- Store initial scalar profile
	986	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	987	ENDIF
	988
	989	!
[1400]	990	!-- Initialize the random number generators (from numerical recipes)
	991	CALL random_function_ini
[1429]	992
[1400]	993	IF ( random_generator == 'random-parallel' ) THEN
[1429]	994	!-- Asigning an ID to every vertical gridpoint column
	995	!-- dependig on the ensemble run number.
	996	random_dummy=1
[1400]	997	DO j=0,ny
	998	DO i=0,nx
[1429]	999	id_random_array(j,i) = random_dummy + 1E6 * ( ensemble_member_nr - 1000 )
	1000	random_dummy = random_dummy + 1
[1400]	1001	END DO
	1002	ENDDO
[1429]	1003	!-- Initializing with random_seed_parallel for every vertical
	1004	!-- gridpoint column.
	1005	random_dummy=0
[1400]	1006	DO j = nysg, nyng
	1007	DO i = nxlg, nxrg
	1008	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	1009	CALL random_number_parallel (random_dummy)
	1010	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	1011	END DO
	1012	ENDDO
	1013	ENDIF
	1014
	1015	!
[19]	1016	!-- Initialize fluxes at bottom surface
[1]	1017	IF ( use_surface_fluxes ) THEN
	1018
	1019	IF ( constant_heatflux ) THEN
	1020	!
	1021	!-- Heat flux is prescribed
	1022	IF ( random_heatflux ) THEN
	1023	CALL disturb_heatflux
	1024	ELSE
	1025	shf = surface_heatflux
	1026	!
[1241]	1027	!-- Initialize shf with data from external file LSF_DATA
	1028	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	1029	CALL ls_forcing_surf ( simulated_time )
	1030	ENDIF
	1031
	1032	!
[1]	1033	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1034	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1035	DO i = nxlg, nxrg
	1036	DO j = nysg, nyng
[1]	1037	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1038	shf(j,i) = wall_heatflux(0)
	1039	ENDIF
	1040	ENDDO
	1041	ENDDO
	1042	ENDIF
	1043	ENDIF
	1044	ENDIF
	1045
	1046	!
	1047	!-- Determine the near-surface water flux
[75]	1048	IF ( humidity .OR. passive_scalar ) THEN
[1115]	1049	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1050	precipitation ) THEN
[1340]	1051	qrsws = 0.0_wp
	1052	nrsws = 0.0_wp
[1053]	1053	ENDIF
[1]	1054	IF ( constant_waterflux ) THEN
	1055	qsws = surface_waterflux
[407]	1056	!
	1057	!-- Over topography surface_waterflux is replaced by
	1058	!-- wall_humidityflux(0)
	1059	IF ( TRIM( topography ) /= 'flat' ) THEN
	1060	wall_qflux = wall_humidityflux
[667]	1061	DO i = nxlg, nxrg
	1062	DO j = nysg, nyng
[407]	1063	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1064	qsws(j,i) = wall_qflux(0)
	1065	ENDIF
	1066	ENDDO
	1067	ENDDO
	1068	ENDIF
[1]	1069	ENDIF
	1070	ENDIF
	1071
	1072	ENDIF
	1073
	1074	!
[19]	1075	!-- Initialize fluxes at top surface
[94]	1076	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1077	!-- The latent flux is zero in this case!
[19]	1078	IF ( use_top_fluxes ) THEN
	1079
	1080	IF ( constant_top_heatflux ) THEN
	1081	!
	1082	!-- Heat flux is prescribed
	1083	tswst = top_heatflux
	1084
[1053]	1085	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1086	qswst = 0.0_wp
[1115]	1087	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1088	precipitation ) THEN
[1340]	1089	nrswst = 0.0_wp
	1090	qrswst = 0.0_wp
[1053]	1091	ENDIF
	1092	ENDIF
[94]	1093
	1094	IF ( ocean ) THEN
[95]	1095	saswsb = bottom_salinityflux
[94]	1096	saswst = top_salinityflux
	1097	ENDIF
[102]	1098	ENDIF
[19]	1099
[102]	1100	!
	1101	!-- Initialization in case of a coupled model run
	1102	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1103	tswst = 0.0_wp
[102]	1104	ENDIF
	1105
[19]	1106	ENDIF
	1107
	1108	!
[1]	1109	!-- Initialize Prandtl layer quantities
[1691]	1110	IF ( constant_flux_layer ) THEN
[1]	1111
	1112	z0 = roughness_length
[978]	1113	z0h = z0h_factor * z0
[1]	1114
	1115	IF ( .NOT. constant_heatflux ) THEN
	1116	!
	1117	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1118	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1119	!-- to be computed by iteration. This is why the heat flux is assumed
	1120	!-- to be zero before the first time step. It approaches its correct
	1121	!-- value in the course of the first few time steps.
[1340]	1122	shf = 0.0_wp
[1]	1123	ENDIF
	1124
[75]	1125	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1126	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1115]	1127	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1128	precipitation ) THEN
[1340]	1129	qrsws = 0.0_wp
	1130	nrsws = 0.0_wp
[1053]	1131	ENDIF
[1]	1132	ENDIF
	1133
	1134	ENDIF
	1135
[1179]	1136	!
	1137	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1138	!-- the reference state will be set (overwritten) in init_ocean)
	1139	IF ( use_single_reference_value ) THEN
	1140	IF ( .NOT. humidity ) THEN
	1141	ref_state(:) = pt_reference
	1142	ELSE
	1143	ref_state(:) = vpt_reference
	1144	ENDIF
	1145	ELSE
	1146	IF ( .NOT. humidity ) THEN
	1147	ref_state(:) = pt_init(:)
	1148	ELSE
	1149	ref_state(:) = vpt(:,nys,nxl)
	1150	ENDIF
	1151	ENDIF
[152]	1152
	1153	!
[707]	1154	!-- For the moment, vertical velocity is zero
[1340]	1155	w = 0.0_wp
[1]	1156
	1157	!
	1158	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1159	sums = 0.0_wp
[1]	1160
	1161	!
[707]	1162	!-- In case of iterative solvers, p must get an initial value
[1575]	1163	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1164
	1165	!
[72]	1166	!-- Treating cloud physics, liquid water content and precipitation amount
	1167	!-- are zero at beginning of the simulation
	1168	IF ( cloud_physics ) THEN
[1340]	1169	ql = 0.0_wp
	1170	IF ( precipitation ) precipitation_amount = 0.0_wp
[1115]	1171	IF ( icloud_scheme == 0 ) THEN
[1340]	1172	qc = 0.0_wp
[1115]	1173	nc_1d = nc_const
	1174	ENDIF
[72]	1175	ENDIF
[673]	1176	!
[1]	1177	!-- Impose vortex with vertical axis on the initial velocity profile
	1178	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1179	CALL init_rankine
	1180	ENDIF
	1181
	1182	!
	1183	!-- Impose temperature anomaly (advection test only)
	1184	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1185	CALL init_pt_anomaly
	1186	ENDIF
	1187
	1188	!
	1189	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1190	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1191	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1192	ENDIF
	1193
	1194	!
	1195	!-- If required, change the surface humidity/scalar at the start of the 3D
	1196	!-- run
[75]	1197	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1198	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1199	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1200	ENDIF
	1201
	1202	!
	1203	!-- Initialize old and new time levels.
[1340]	1204	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]	1205	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1206
[75]	1207	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1208	tq_m = 0.0_wp
[1]	1209	q_p = q
[1115]	1210	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1211	precipitation ) THEN
[1340]	1212	tqr_m = 0.0_wp
[1053]	1213	qr_p = qr
[1340]	1214	tnr_m = 0.0_wp
[1053]	1215	nr_p = nr
	1216	ENDIF
[1]	1217	ENDIF
	1218
[94]	1219	IF ( ocean ) THEN
[1340]	1220	tsa_m = 0.0_wp
[94]	1221	sa_p = sa
	1222	ENDIF
[667]	1223
[1402]	1224	CALL location_message( 'finished', .TRUE. )
[94]	1225
[147]	1226	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1227	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1228	THEN
[1384]	1229
[1402]	1230	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1231	.FALSE. )
[1]	1232	!
[767]	1233	!-- When reading data for cyclic fill of 3D prerun data files, read
	1234	!-- some of the global variables from the restart file which are required
	1235	!-- for initializing the inflow
[328]	1236	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1237
[759]	1238	DO i = 0, io_blocks-1
	1239	IF ( i == io_group ) THEN
	1240	CALL read_parts_of_var_list
	1241	CALL close_file( 13 )
	1242	ENDIF
	1243	#if defined( __parallel )
	1244	CALL MPI_BARRIER( comm2d, ierr )
	1245	#endif
	1246	ENDDO
[328]	1247
[767]	1248	ENDIF
	1249
[151]	1250	!
[767]	1251	!-- Read binary data from restart file
	1252	DO i = 0, io_blocks-1
	1253	IF ( i == io_group ) THEN
	1254	CALL read_3d_binary
	1255	ENDIF
	1256	#if defined( __parallel )
	1257	CALL MPI_BARRIER( comm2d, ierr )
	1258	#endif
	1259	ENDDO
	1260
[328]	1261	!
[767]	1262	!-- Initialization of the turbulence recycling method
	1263	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1264	turbulent_inflow ) THEN
	1265	!
	1266	!-- First store the profiles to be used at the inflow.
	1267	!-- These profiles are the (temporally) and horizontally averaged vertical
	1268	!-- profiles from the prerun. Alternatively, prescribed profiles
	1269	!-- for u,v-components can be used.
[1615]	1270	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,6) )
[151]	1271
[767]	1272	IF ( use_prescribed_profile_data ) THEN
	1273	mean_inflow_profiles(:,1) = u_init ! u
	1274	mean_inflow_profiles(:,2) = v_init ! v
	1275	ELSE
[328]	1276	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1277	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1278	ENDIF
	1279	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1280	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1615]	1281	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
[151]	1282
	1283	!
[767]	1284	!-- If necessary, adjust the horizontal flow field to the prescribed
	1285	!-- profiles
	1286	IF ( use_prescribed_profile_data ) THEN
	1287	DO i = nxlg, nxrg
[667]	1288	DO j = nysg, nyng
[328]	1289	DO k = nzb, nzt+1
[767]	1290	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1291	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1292	ENDDO
[151]	1293	ENDDO
[767]	1294	ENDDO
	1295	ENDIF
[151]	1296
	1297	!
[767]	1298	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1299	!-- conditions are used)
	1300	IF ( inflow_l ) THEN
	1301	DO j = nysg, nyng
	1302	DO k = nzb, nzt+1
	1303	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1304	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1305	w(k,j,nxlg:-1) = 0.0_wp
[767]	1306	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1307	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1615]	1308	IF ( humidity .OR. passive_scalar ) &
	1309	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[767]	1310	ENDDO
	1311	ENDDO
	1312	ENDIF
	1313
[151]	1314	!
[767]	1315	!-- Calculate the damping factors to be used at the inflow. For a
	1316	!-- turbulent inflow the turbulent fluctuations have to be limited
	1317	!-- vertically because otherwise the turbulent inflow layer will grow
	1318	!-- in time.
[1340]	1319	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1320	!
	1321	!-- Default: use the inversion height calculated by the prerun; if
	1322	!-- this is zero, inflow_damping_height must be explicitly
	1323	!-- specified.
[1340]	1324	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1325	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1326	ELSE
	1327	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1328	'explicitly specified because&the inversion height ', &
	1329	'calculated by the prerun is zero.'
	1330	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1331	ENDIF
[151]	1332
[767]	1333	ENDIF
	1334
[1340]	1335	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1336	!
[767]	1337	!-- Default for the transition range: one tenth of the undamped
	1338	!-- layer
[1340]	1339	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1340
[767]	1341	ENDIF
[151]	1342
[767]	1343	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1344
[767]	1345	DO k = nzb, nzt+1
[151]	1346
[767]	1347	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1348	inflow_damping_factor(k) = 1.0_wp
[996]	1349	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1350	inflow_damping_factor(k) = 1.0_wp - &
[996]	1351	( zu(k) - inflow_damping_height ) / &
	1352	inflow_damping_width
[767]	1353	ELSE
[1340]	1354	inflow_damping_factor(k) = 0.0_wp
[767]	1355	ENDIF
[151]	1356
[767]	1357	ENDDO
[151]	1358
[147]	1359	ENDIF
	1360
[152]	1361	!
[359]	1362	!-- Inside buildings set velocities and TKE back to zero
	1363	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1364	topography /= 'flat' ) THEN
	1365	!
	1366	!-- Inside buildings set velocities and TKE back to zero.
	1367	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1368	!-- maybe revise later.
[1001]	1369	DO i = nxlg, nxrg
	1370	DO j = nysg, nyng
[1340]	1371	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1372	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1373	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1374	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1375	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1376	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1377	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1378	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1379	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1380	ENDDO
[1001]	1381	ENDDO
[359]	1382
	1383	ENDIF
	1384
	1385	!
[1]	1386	!-- Calculate initial temperature field and other constants used in case
	1387	!-- of a sloping surface
	1388	IF ( sloping_surface ) CALL init_slope
	1389
	1390	!
	1391	!-- Initialize new time levels (only done in order to set boundary values
	1392	!-- including ghost points)
	1393	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1394	IF ( humidity .OR. passive_scalar ) THEN
	1395	q_p = q
[1115]	1396	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1397	precipitation ) THEN
[1053]	1398	qr_p = qr
	1399	nr_p = nr
	1400	ENDIF
	1401	ENDIF
[94]	1402	IF ( ocean ) sa_p = sa
[1]	1403
[181]	1404	!
	1405	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1406	!-- have to be predefined here because they are used (but multiplied with 0)
	1407	!-- there before they are set.
[1340]	1408	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]	1409	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1410	tq_m = 0.0_wp
[1115]	1411	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1412	precipitation ) THEN
[1340]	1413	tqr_m = 0.0_wp
	1414	tnr_m = 0.0_wp
[1053]	1415	ENDIF
	1416	ENDIF
[1340]	1417	IF ( ocean ) tsa_m = 0.0_wp
[181]	1418
[1402]	1419	CALL location_message( 'finished', .TRUE. )
[1384]	1420
[1]	1421	ELSE
	1422	!
	1423	!-- Actually this part of the programm should not be reached
[254]	1424	message_string = 'unknown initializing problem'
	1425	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1426	ENDIF
	1427
[151]	1428
	1429	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1430	!
[151]	1431	!-- Initialize old timelevels needed for radiation boundary conditions
	1432	IF ( outflow_l ) THEN
	1433	u_m_l(:,:,:) = u(:,:,1:2)
	1434	v_m_l(:,:,:) = v(:,:,0:1)
	1435	w_m_l(:,:,:) = w(:,:,0:1)
	1436	ENDIF
	1437	IF ( outflow_r ) THEN
	1438	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1439	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1440	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1441	ENDIF
	1442	IF ( outflow_s ) THEN
	1443	u_m_s(:,:,:) = u(:,0:1,:)
	1444	v_m_s(:,:,:) = v(:,1:2,:)
	1445	w_m_s(:,:,:) = w(:,0:1,:)
	1446	ENDIF
	1447	IF ( outflow_n ) THEN
	1448	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1449	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1450	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1451	ENDIF
[667]	1452
[151]	1453	ENDIF
[680]	1454
[667]	1455	!
	1456	!-- Calculate the initial volume flow at the right and north boundary
[709]	1457	IF ( conserve_volume_flow ) THEN
[151]	1458
[767]	1459	IF ( use_prescribed_profile_data ) THEN
[667]	1460
[1340]	1461	volume_flow_initial_l = 0.0_wp
	1462	volume_flow_area_l = 0.0_wp
[732]	1463
[667]	1464	IF ( nxr == nx ) THEN
	1465	DO j = nys, nyn
[709]	1466	DO k = nzb_2d(j,nx)+1, nzt
[667]	1467	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1468	u_init(k) * dzw(k)
	1469	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1470	ENDDO
	1471	ENDDO
	1472	ENDIF
	1473
	1474	IF ( nyn == ny ) THEN
	1475	DO i = nxl, nxr
	1476	DO k = nzb_2d(ny,i)+1, nzt
	1477	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1478	v_init(k) * dzw(k)
	1479	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1480	ENDDO
	1481	ENDDO
	1482	ENDIF
	1483
	1484	#if defined( __parallel )
	1485	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1486	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1487	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1488	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1489
	1490	#else
	1491	volume_flow_initial = volume_flow_initial_l
	1492	volume_flow_area = volume_flow_area_l
	1493	#endif
	1494
	1495	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1496
[1340]	1497	volume_flow_initial_l = 0.0_wp
	1498	volume_flow_area_l = 0.0_wp
[767]	1499
	1500	IF ( nxr == nx ) THEN
	1501	DO j = nys, nyn
	1502	DO k = nzb_2d(j,nx)+1, nzt
	1503	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1504	hom_sum(k,1,0) * dzw(k)
	1505	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1506	ENDDO
	1507	ENDDO
	1508	ENDIF
	1509
	1510	IF ( nyn == ny ) THEN
	1511	DO i = nxl, nxr
[709]	1512	DO k = nzb_2d(ny,i)+1, nzt
[667]	1513	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1514	hom_sum(k,2,0) * dzw(k)
[667]	1515	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1516	ENDDO
	1517	ENDDO
	1518	ENDIF
	1519
[732]	1520	#if defined( __parallel )
	1521	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1522	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1523	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1524	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1525
	1526	#else
	1527	volume_flow_initial = volume_flow_initial_l
	1528	volume_flow_area = volume_flow_area_l
	1529	#endif
	1530
[667]	1531	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1532
[1340]	1533	volume_flow_initial_l = 0.0_wp
	1534	volume_flow_area_l = 0.0_wp
[732]	1535
[667]	1536	IF ( nxr == nx ) THEN
	1537	DO j = nys, nyn
[709]	1538	DO k = nzb_2d(j,nx)+1, nzt
[667]	1539	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1540	u(k,j,nx) * dzw(k)
[667]	1541	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1542	ENDDO
	1543	ENDDO
	1544	ENDIF
	1545
	1546	IF ( nyn == ny ) THEN
	1547	DO i = nxl, nxr
[709]	1548	DO k = nzb_2d(ny,i)+1, nzt
[667]	1549	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1550	v(k,ny,i) * dzw(k)
	1551	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1552	ENDDO
	1553	ENDDO
	1554	ENDIF
	1555
	1556	#if defined( __parallel )
[732]	1557	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1558	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1559	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1560	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1561
	1562	#else
[732]	1563	volume_flow_initial = volume_flow_initial_l
	1564	volume_flow_area = volume_flow_area_l
[667]	1565	#endif
	1566
[732]	1567	ENDIF
	1568
[151]	1569	!
[709]	1570	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1571	!-- from u\|v_bulk instead
[680]	1572	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1573	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1574	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1575	ENDIF
[667]	1576
[680]	1577	ENDIF
	1578
[787]	1579	!
	1580	!-- Initialize quantities for special advections schemes
	1581	CALL init_advec
[680]	1582
[667]	1583	!
[680]	1584	!-- Impose random perturbation on the horizontal velocity field and then
	1585	!-- remove the divergences from the velocity field at the initial stage
[1734]	1586	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND.&
[680]	1587	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1588	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1589
[1402]	1590	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1591	CALL disturb_field( nzb_u_inner, tend, u )
	1592	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1593	CALL location_message( 'finished', .TRUE. )
[1384]	1594
[1402]	1595	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1596	n_sor = nsor_ini
[1221]	1597	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1598	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1599	!$acc copyin( weight_pres, weight_substep ) &
	1600	!$acc copy( tri, tric, u, v, w )
[680]	1601	CALL pres
[1111]	1602	!$acc end data
[680]	1603	n_sor = nsor
[1402]	1604	CALL location_message( 'finished', .TRUE. )
[1384]	1605
[680]	1606	ENDIF
	1607
	1608	!
[1484]	1609	!-- If required, initialize quantities needed for the plant canopy model
	1610	IF ( plant_canopy ) CALL init_plant_canopy
[138]	1611
	1612	!
[1]	1613	!-- If required, initialize dvrp-software
[1340]	1614	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1615
[96]	1616	IF ( ocean ) THEN
[1]	1617	!
[96]	1618	!-- Initialize quantities needed for the ocean model
	1619	CALL init_ocean
[388]	1620
[96]	1621	ELSE
	1622	!
	1623	!-- Initialize quantities for handling cloud physics
[849]	1624	!-- This routine must be called before lpm_init, because
[96]	1625	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1626	!-- lpm_init) is not defined.
[96]	1627	CALL init_cloud_physics
	1628	ENDIF
[1]	1629
	1630	!
	1631	!-- If required, initialize particles
[849]	1632	IF ( particle_advection ) CALL lpm_init
[1]	1633
[1585]	1634	!
	1635	!-- If required, initialize quantities needed for the LSM
	1636	IF ( land_surface ) THEN
	1637	CALL location_message( 'initializing land surface model', .FALSE. )
	1638	CALL init_lsm
	1639	CALL location_message( 'finished', .TRUE. )
	1640	ENDIF
[1496]	1641
[1]	1642	!
[1691]	1643	!-- Initialize surface layer (done after LSM as roughness length are required
	1644	!-- for initialization
	1645	IF ( constant_flux_layer ) THEN
	1646	CALL location_message( 'initializing surface layer', .FALSE. )
	1647	CALL init_surface_layer_fluxes
	1648	CALL location_message( 'finished', .TRUE. )
	1649	ENDIF
	1650
	1651	!
[1496]	1652	!-- If required, initialize radiation model
	1653	IF ( radiation ) THEN
[1585]	1654	CALL location_message( 'initializing radiation model', .FALSE. )
[1496]	1655	CALL init_radiation
[1585]	1656	CALL location_message( 'finished', .TRUE. )
[1496]	1657	ENDIF
	1658
	1659	!
[673]	1660	!-- Initialize the ws-scheme.
	1661	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1662
	1663	!
[709]	1664	!-- Setting weighting factors for calculation of perturbation pressure
	1665	!-- and turbulent quantities from the RK substeps
	1666	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1667
[1322]	1668	weight_substep(1) = 1._wp/6._wp
	1669	weight_substep(2) = 3._wp/10._wp
	1670	weight_substep(3) = 8._wp/15._wp
[709]	1671
[1322]	1672	weight_pres(1) = 1._wp/3._wp
	1673	weight_pres(2) = 5._wp/12._wp
	1674	weight_pres(3) = 1._wp/4._wp
[709]	1675
	1676	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1677
[1322]	1678	weight_substep(1) = 1._wp/2._wp
	1679	weight_substep(2) = 1._wp/2._wp
[673]	1680
[1322]	1681	weight_pres(1) = 1._wp/2._wp
	1682	weight_pres(2) = 1._wp/2._wp
[709]	1683
[1001]	1684	ELSE ! for Euler-method
[709]	1685
[1340]	1686	weight_substep(1) = 1.0_wp
	1687	weight_pres(1) = 1.0_wp
[709]	1688
[673]	1689	ENDIF
	1690
	1691	!
[1]	1692	!-- Initialize Rayleigh damping factors
[1340]	1693	rdf = 0.0_wp
	1694	rdf_sc = 0.0_wp
	1695	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[108]	1696	IF ( .NOT. ocean ) THEN
	1697	DO k = nzb+1, nzt
	1698	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1699	rdf(k) = rayleigh_damping_factor * &
[1340]	1700	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
	1701	/ ( zu(nzt) - rayleigh_damping_height ) )&
[1]	1702	)**2
[108]	1703	ENDIF
	1704	ENDDO
	1705	ELSE
	1706	DO k = nzt, nzb+1, -1
	1707	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1708	rdf(k) = rayleigh_damping_factor * &
[1340]	1709	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
	1710	/ ( rayleigh_damping_height - zu(nzb+1)))&
[108]	1711	)**2
	1712	ENDIF
	1713	ENDDO
	1714	ENDIF
[1]	1715	ENDIF
[785]	1716	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1717
	1718	!
[240]	1719	!-- Initialize the starting level and the vertical smoothing factor used for
	1720	!-- the external pressure gradient
[1340]	1721	dp_smooth_factor = 1.0_wp
[240]	1722	IF ( dp_external ) THEN
	1723	!
	1724	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1725	!-- (e.g. in init_grid).
	1726	IF ( dp_level_ind_b == 0 ) THEN
	1727	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1728	dp_level_ind_b = ind_array(1) - 1 + nzb
	1729	! MINLOC uses lower array bound 1
	1730	ENDIF
	1731	IF ( dp_smooth ) THEN
[1340]	1732	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1733	DO k = dp_level_ind_b+1, nzt
[1340]	1734	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1735	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1736	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1737	ENDDO
	1738	ENDIF
	1739	ENDIF
	1740
	1741	!
[978]	1742	!-- Initialize damping zone for the potential temperature in case of
	1743	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1744	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1745	ptdf_x = 0.0_wp
	1746	ptdf_y = 0.0_wp
[1159]	1747	IF ( bc_lr_dirrad ) THEN
[996]	1748	DO i = nxl, nxr
[978]	1749	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1750	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1751	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
	1752	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1753	ENDIF
	1754	ENDDO
[1159]	1755	ELSEIF ( bc_lr_raddir ) THEN
[996]	1756	DO i = nxl, nxr
[978]	1757	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1758	ptdf_x(i) = pt_damping_factor * &
[1340]	1759	SIN( pi * 0.5_wp * &
	1760	( ( i - nx ) * dx + pt_damping_width ) / &
	1761	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1762	ENDIF
[978]	1763	ENDDO
[1159]	1764	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1765	DO j = nys, nyn
[978]	1766	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1767	ptdf_y(j) = pt_damping_factor * &
[1340]	1768	SIN( pi * 0.5_wp * &
	1769	( ( j - ny ) * dy + pt_damping_width ) / &
	1770	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1771	ENDIF
[978]	1772	ENDDO
[1159]	1773	ELSEIF ( bc_ns_raddir ) THEN
[996]	1774	DO j = nys, nyn
[978]	1775	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1776	ptdf_y(j) = pt_damping_factor * &
[1340]	1777	SIN( pi * 0.5_wp * &
	1778	( pt_damping_width - j * dy ) / &
	1779	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1780	ENDIF
[73]	1781	ENDDO
[1]	1782	ENDIF
	1783
	1784	!
[709]	1785	!-- Initialize local summation arrays for routine flow_statistics.
	1786	!-- This is necessary because they may not yet have been initialized when they
	1787	!-- are called from flow_statistics (or - depending on the chosen model run -
	1788	!-- are never initialized)
[1340]	1789	sums_divnew_l = 0.0_wp
	1790	sums_divold_l = 0.0_wp
	1791	sums_l_l = 0.0_wp
	1792	sums_up_fraction_l = 0.0_wp
	1793	sums_wsts_bc_l = 0.0_wp
[1]	1794
	1795	!
	1796	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1797	!-- Ghost points are excluded because counting values at the ghost boundaries
	1798	!-- would bias the statistics
[1340]	1799	rmask = 1.0_wp
	1800	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1801	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1802
	1803	!
[51]	1804	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1805	!-- of allowed timeseries is exceeded
[1]	1806	CALL user_init
	1807
[51]	1808	IF ( dots_num > dots_max ) THEN
[254]	1809	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1810	' its maximum of dots_max = ', dots_max, &
[254]	1811	' &Please increase dots_max in modules.f90.'
	1812	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1813	ENDIF
	1814
[1]	1815	!
	1816	!-- Input binary data file is not needed anymore. This line must be placed
	1817	!-- after call of user_init!
	1818	CALL close_file( 13 )
	1819
	1820	!
	1821	!-- Compute total sum of active mask grid points
	1822	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1823	!-- total domain
	1824	!-- ngp_3d: number of grid points of the total domain
[132]	1825	ngp_2dh_outer_l = 0
	1826	ngp_2dh_outer = 0
	1827	ngp_2dh_s_inner_l = 0
	1828	ngp_2dh_s_inner = 0
	1829	ngp_2dh_l = 0
	1830	ngp_2dh = 0
[1340]	1831	ngp_3d_inner_l = 0.0_wp
[132]	1832	ngp_3d_inner = 0
	1833	ngp_3d = 0
	1834	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1835
	1836	DO sr = 0, statistic_regions
	1837	DO i = nxl, nxr
	1838	DO j = nys, nyn
[1340]	1839	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1840	!
	1841	!-- All xy-grid points
	1842	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1843	!
	1844	!-- xy-grid points above topography
	1845	DO k = nzb_s_outer(j,i), nz + 1
	1846	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1847	ENDDO
[132]	1848	DO k = nzb_s_inner(j,i), nz + 1
	1849	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1850	ENDDO
[1]	1851	!
	1852	!-- All grid points of the total domain above topography
	1853	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1854	( nz - nzb_s_inner(j,i) + 2 )
	1855	ENDIF
	1856	ENDDO
	1857	ENDDO
	1858	ENDDO
	1859
	1860	sr = statistic_regions + 1
	1861	#if defined( __parallel )
[622]	1862	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1863	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1864	comm2d, ierr )
[622]	1865	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1866	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1867	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1868	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1869	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1870	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1871	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1872	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1873	MPI_SUM, comm2d, ierr )
[485]	1874	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1875	#else
[132]	1876	ngp_2dh = ngp_2dh_l
	1877	ngp_2dh_outer = ngp_2dh_outer_l
	1878	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1879	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1880	#endif
	1881
[560]	1882	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1883	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1884
	1885	!
	1886	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1887	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1888	!-- the respective subdomain lie below the surface topography
[667]	1889	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1890	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1891	ngp_3d_inner(:) )
[667]	1892	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1893
[485]	1894	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1895
[1402]	1896	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	1897
	1898	END SUBROUTINE init_3d_model

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