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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1920

Last change on this file since 1920 was 1920, checked in by suehring, 8 years ago

Avoid segmentation fault (see change in 1915) by different initialization of us instead of adding a very small number in the denominator

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/palm/branches/forwind/SOURCE/init_3d_model.f90 1564-1913

File size: 70.6 KB

Rev	Line
[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	!
[1818]	16	! Copyright 1997-2016 Leibniz Universitaet Hannover
[1036]	17	!--------------------------------------------------------------------------------!
	18	!
[254]	19	! Current revisions:
[732]	20	! ------------------
[1920]	21	! Initialize us with very small number to avoid segmentation fault during
	22	! calculation of Obukhov length
[1919]	23	!
[1851]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 1920 2016-05-30 10:50:15Z suehring $
	27	!
[1919]	28	! 1918 2016-05-27 14:35:57Z raasch
	29	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	30	! bugfix: initialization of local sum arrays are moved to the beginning of the
	31	! routine because otherwise results from pres are overwritten
	32	!
[1917]	33	! 1914 2016-05-26 14:44:07Z witha
	34	! Added initialization of the wind turbine model
	35	!
[1879]	36	! 1878 2016-04-19 12:30:36Z hellstea
	37	! The zeroth element of weight_pres removed as unnecessary
	38	!
[1851]	39	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	40	! Adapted for modularization of microphysics.
	41	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	42	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	43	! microphysics_init.
	44	!
[1846]	45	! 1845 2016-04-08 08:29:13Z raasch
	46	! nzb_2d replaced by nzb_u\|v_inner
[1914]	47	!
[1834]	48	! 1833 2016-04-07 14:23:03Z raasch
	49	! initialization of spectra quantities moved to spectra_mod
	50	!
[1832]	51	! 1831 2016-04-07 13:15:51Z hoffmann
	52	! turbulence renamed collision_turbulence
	53	!
[1827]	54	! 1826 2016-04-07 12:01:39Z maronga
	55	! Renamed radiation calls.
	56	! Renamed canopy model calls.
	57	!
[1823]	58	! 1822 2016-04-07 07:49:42Z hoffmann
	59	! icloud_scheme replaced by microphysics_*
[1914]	60	!
[1818]	61	! 1817 2016-04-06 15:44:20Z maronga
	62	! Renamed lsm calls.
	63	!
[1816]	64	! 1815 2016-04-06 13:49:59Z raasch
	65	! zero-settings for velocities inside topography re-activated (was deactivated
	66	! in r1762)
	67	!
[1789]	68	! 1788 2016-03-10 11:01:04Z maronga
	69	! Added z0q.
	70	! Syntax layout improved.
	71	!
[1784]	72	! 1783 2016-03-06 18:36:17Z raasch
	73	! netcdf module name changed + related changes
	74	!
[1765]	75	! 1764 2016-02-28 12:45:19Z raasch
	76	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	77	!
[1763]	78	! 1762 2016-02-25 12:31:13Z hellstea
	79	! Introduction of nested domain feature
	80	!
[1739]	81	! 1738 2015-12-18 13:56:05Z raasch
	82	! calculate mean surface level height for each statistic region
	83	!
[1735]	84	! 1734 2015-12-02 12:17:12Z raasch
	85	! no initial disturbances in case that the disturbance energy limit has been
	86	! set zero
	87	!
[1708]	88	! 1707 2015-11-02 15:24:52Z maronga
	89	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	90	! devision by zero in neutral stratification
	91	!
[1692]	92	! 1691 2015-10-26 16:17:44Z maronga
	93	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	94	!
[1683]	95	! 1682 2015-10-07 23:56:08Z knoop
	96	! Code annotations made doxygen readable
	97	!
[1616]	98	! 1615 2015-07-08 18:49:19Z suehring
	99	! Enable turbulent inflow for passive_scalar and humidity
	100	!
[1586]	101	! 1585 2015-04-30 07:05:52Z maronga
	102	! Initialization of radiation code is now done after LSM initializtion
	103	!
[1576]	104	! 1575 2015-03-27 09:56:27Z raasch
	105	! adjustments for psolver-queries
	106	!
[1552]	107	! 1551 2015-03-03 14:18:16Z maronga
[1817]	108	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	109	! which is part of land_surface_model.
	110	!
[1508]	111	! 1507 2014-12-10 12:14:18Z suehring
	112	! Bugfix: set horizontal velocity components to zero inside topography
	113	!
[1497]	114	! 1496 2014-12-02 17:25:50Z maronga
	115	! Added initialization of the land surface and radiation schemes
	116	!
[1485]	117	! 1484 2014-10-21 10:53:05Z kanani
[1484]	118	! Changes due to new module structure of the plant canopy model:
[1508]	119	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	120	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	121	! call of subroutine init_plant_canopy added.
[1341]	122	!
[1432]	123	! 1431 2014-07-15 14:47:17Z suehring
	124	! var_d added, in order to normalize spectra.
	125	!
[1430]	126	! 1429 2014-07-15 12:53:45Z knoop
	127	! Ensemble run capability added to parallel random number generator
	128	!
[1412]	129	! 1411 2014-05-16 18:01:51Z suehring
	130	! Initial horizontal velocity profiles were not set to zero at the first vertical
	131	! grid level in case of non-cyclic lateral boundary conditions.
	132	!
[1407]	133	! 1406 2014-05-16 13:47:01Z raasch
	134	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	135	! no-slip boundary condition for uv
	136	!
[1403]	137	! 1402 2014-05-09 14:25:13Z raasch
	138	! location messages modified
	139	!
[1401]	140	! 1400 2014-05-09 14:03:54Z knoop
	141	! Parallel random number generator added
	142	!
[1385]	143	! 1384 2014-05-02 14:31:06Z raasch
	144	! location messages added
	145	!
[1362]	146	! 1361 2014-04-16 15:17:48Z hoffmann
	147	! tend_* removed
	148	! Bugfix: w_subs is not allocated anymore if it is already allocated
	149	!
[1360]	150	! 1359 2014-04-11 17:15:14Z hoffmann
	151	! module lpm_init_mod added to use statements, because lpm_init has become a
	152	! module
	153	!
[1354]	154	! 1353 2014-04-08 15:21:23Z heinze
	155	! REAL constants provided with KIND-attribute
	156	!
[1341]	157	! 1340 2014-03-25 19:45:13Z kanani
	158	! REAL constants defined as wp-kind
	159	!
[1323]	160	! 1322 2014-03-20 16:38:49Z raasch
	161	! REAL constants defined as wp-kind
	162	! module interfaces removed
	163	!
[1321]	164	! 1320 2014-03-20 08:40:49Z raasch
	165	! ONLY-attribute added to USE-statements,
	166	! kind-parameters added to all INTEGER and REAL declaration statements,
	167	! kinds are defined in new module kinds,
	168	! revision history before 2012 removed,
	169	! comment fields (!:) to be used for variable explanations added to
	170	! all variable declaration statements
	171	!
[1317]	172	! 1316 2014-03-17 07:44:59Z heinze
	173	! Bugfix: allocation of w_subs
	174	!
[1300]	175	! 1299 2014-03-06 13:15:21Z heinze
	176	! Allocate w_subs due to extension of large scale subsidence in combination
	177	! with large scale forcing data (LSF_DATA)
	178	!
[1242]	179	! 1241 2013-10-30 11:36:58Z heinze
	180	! Overwrite initial profiles in case of nudging
	181	! Inititialize shf and qsws in case of large_scale_forcing
	182	!
[1222]	183	! 1221 2013-09-10 08:59:13Z raasch
	184	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	185	! copy
	186	!
[1213]	187	! 1212 2013-08-15 08:46:27Z raasch
	188	! array tri is allocated and included in data copy statement
	189	!
[1196]	190	! 1195 2013-07-01 12:27:57Z heinze
	191	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	192	!
[1182]	193	! 1179 2013-06-14 05:57:58Z raasch
	194	! allocate and set ref_state to be used in buoyancy terms
	195	!
[1172]	196	! 1171 2013-05-30 11:27:45Z raasch
	197	! diss array is allocated with full size if accelerator boards are used
	198	!
[1160]	199	! 1159 2013-05-21 11:58:22Z fricke
	200	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	201	!
[1154]	202	! 1153 2013-05-10 14:33:08Z raasch
	203	! diss array is allocated with dummy elements even if it is not needed
[1171]	204	! (required by PGI 13.4 / CUDA 5.0)
[1154]	205	!
[1116]	206	! 1115 2013-03-26 18:16:16Z hoffmann
	207	! unused variables removed
	208	!
[1114]	209	! 1113 2013-03-10 02:48:14Z raasch
	210	! openACC directive modified
	211	!
[1112]	212	! 1111 2013-03-08 23:54:10Z raasch
	213	! openACC directives added for pres
	214	! array diss allocated only if required
	215	!
[1093]	216	! 1092 2013-02-02 11:24:22Z raasch
	217	! unused variables removed
	218	!
[1066]	219	! 1065 2012-11-22 17:42:36Z hoffmann
	220	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	221	!
[1054]	222	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	223	! allocation and initialisation of necessary data arrays for the two-moment
	224	! cloud physics scheme the two new prognostic equations (nr, qr):
	225	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	226	! +tend_*, prr
[979]	227	!
[1037]	228	! 1036 2012-10-22 13:43:42Z raasch
	229	! code put under GPL (PALM 3.9)
	230	!
[1033]	231	! 1032 2012-10-21 13:03:21Z letzel
	232	! save memory by not allocating pt_2 in case of neutral = .T.
	233	!
[1026]	234	! 1025 2012-10-07 16:04:41Z letzel
	235	! bugfix: swap indices of mask for ghost boundaries
	236	!
[1017]	237	! 1015 2012-09-27 09:23:24Z raasch
	238	! mask is set to zero for ghost boundaries
	239	!
[1011]	240	! 1010 2012-09-20 07:59:54Z raasch
	241	! cpp switch __nopointer added for pointer free version
	242	!
[1004]	243	! 1003 2012-09-14 14:35:53Z raasch
	244	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	245	!
[1002]	246	! 1001 2012-09-13 14:08:46Z raasch
	247	! all actions concerning leapfrog scheme removed
	248	!
[997]	249	! 996 2012-09-07 10:41:47Z raasch
	250	! little reformatting
	251	!
[979]	252	! 978 2012-08-09 08:28:32Z fricke
[978]	253	! outflow damping layer removed
	254	! roughness length for scalar quantites z0h added
	255	! damping zone for the potential temperatur in case of non-cyclic lateral
	256	! boundaries added
	257	! initialization of ptdf_x, ptdf_y
	258	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	259	!
[850]	260	! 849 2012-03-15 10:35:09Z raasch
	261	! init_particles renamed lpm_init
	262	!
[826]	263	! 825 2012-02-19 03:03:44Z raasch
	264	! wang_collision_kernel renamed wang_kernel
	265	!
[1]	266	! Revision 1.1 1998/03/09 16:22:22 raasch
	267	! Initial revision
	268	!
	269	!
	270	! Description:
	271	! ------------
[1682]	272	!> Allocation of arrays and initialization of the 3D model via
	273	!> a) pre-run the 1D model
	274	!> or
	275	!> b) pre-set constant linear profiles
	276	!> or
	277	!> c) read values of a previous run
[1]	278	!------------------------------------------------------------------------------!
[1682]	279	SUBROUTINE init_3d_model
	280
[1]	281
[667]	282	USE advec_ws
[1320]	283
[1]	284	USE arrays_3d
[1849]	285
[1320]	286	USE constants, &
	287	ONLY: pi
	288
[1]	289	USE control_parameters
[1320]	290
	291	USE grid_variables, &
	292	ONLY: dx, dy
	293
[1]	294	USE indices
[1359]	295
[1429]	296	USE lpm_init_mod, &
[1359]	297	ONLY: lpm_init
[1320]	298
	299	USE kinds
[1496]	300
	301	USE land_surface_model_mod, &
[1817]	302	ONLY: lsm_init, lsm_init_arrays, land_surface
[1496]	303
[1241]	304	USE ls_forcing_mod
[1849]	305
	306	USE microphysics_mod, &
	307	ONLY: collision_turbulence, microphysics_init
	308
[1320]	309	USE model_1d, &
	310	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	311
[1783]	312	USE netcdf_interface, &
	313	ONLY: dots_max, dots_num
[1320]	314
	315	USE particle_attributes, &
	316	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	317
[1]	318	USE pegrid
[1320]	319
[1484]	320	USE plant_canopy_model_mod, &
[1826]	321	ONLY: pcm_init, plant_canopy
[1496]	322
	323	USE radiation_model_mod, &
[1826]	324	ONLY: radiation_init, radiation
[1484]	325
[1320]	326	USE random_function_mod
	327
[1400]	328	USE random_generator_parallel, &
	329	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	330	id_random_array, seq_random_array
	331
[1320]	332	USE statistics, &
[1738]	333	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	334	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	335	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	336	weight_pres, weight_substep
[1691]	337
	338	USE surface_layer_fluxes_mod, &
	339	ONLY: init_surface_layer_fluxes
	340
[1320]	341	USE transpose_indices
[1]	342
[1914]	343	USE wind_turbine_model_mod, &
	344	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	345
[1]	346	IMPLICIT NONE
	347
[1682]	348	INTEGER(iwp) :: i !<
	349	INTEGER(iwp) :: ind_array(1) !<
	350	INTEGER(iwp) :: j !<
	351	INTEGER(iwp) :: k !<
	352	INTEGER(iwp) :: sr !<
[1]	353
[1682]	354	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	355
[1682]	356	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	357	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	358
[1764]	359	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	360	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	361
[1738]	362	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	363	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	364	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	365
[485]	366
[1402]	367	CALL location_message( 'allocating arrays', .FALSE. )
[1]	368	!
	369	!-- Allocate arrays
[1788]	370	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	371	mean_surface_level_height_l(0:statistic_regions), &
	372	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	373	ngp_3d(0:statistic_regions), &
	374	ngp_3d_inner(0:statistic_regions), &
	375	ngp_3d_inner_l(0:statistic_regions), &
	376	ngp_3d_inner_tmp(0:statistic_regions), &
	377	sums_divnew_l(0:statistic_regions), &
[1]	378	sums_divold_l(0:statistic_regions) )
[1195]	379	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	380	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	381	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	382	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	383	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	384	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	385	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	386	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	387	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	388	sums_up_fraction_l(10,3,0:statistic_regions), &
	389	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	390	ts_value(dots_max,0:statistic_regions) )
[978]	391	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	392
[1788]	393	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	394	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	395	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	396	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	397	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
	398	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
[1]	399
[1788]	400	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	401	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	402	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	403	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	404	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	405
	406	#if defined( __nopointer )
[1788]	407	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	408	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	409	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	410	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	411	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	412	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	413	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	414	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	415	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	416	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	417	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	418	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	419	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	420	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	421	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	422	#else
[1788]	423	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	424	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	425	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	426	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	427	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	428	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	429	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	430	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	431	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	432	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	433	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	434	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	435	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	436	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	437	IF ( .NOT. neutral ) THEN
[1032]	438	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	439	ENDIF
[1010]	440	#endif
	441
[673]	442	!
[707]	443	!-- Following array is required for perturbation pressure within the iterative
	444	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	445	!-- the weighted average of the substeps and cannot be used in the Poisson
	446	!-- solver.
	447	IF ( psolver == 'sor' ) THEN
	448	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	449	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	450	!
	451	!-- For performance reasons, multigrid is using one ghost layer only
	452	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	453	ENDIF
[1]	454
[1111]	455	!
	456	!-- Array for storing constant coeffficients of the tridiagonal solver
	457	IF ( psolver == 'poisfft' ) THEN
[1212]	458	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	459	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	460	ENDIF
	461
[1788]	462	IF ( humidity .OR. passive_scalar ) THEN
[1]	463	!
[75]	464	!-- 2D-humidity/scalar arrays
[1788]	465	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	466	qsws(nysg:nyng,nxlg:nxrg), &
[1001]	467	qswst(nysg:nyng,nxlg:nxrg) )
[1]	468
	469	!
[75]	470	!-- 3D-humidity/scalar arrays
[1010]	471	#if defined( __nopointer )
[1788]	472	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	474	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	475	#else
[1788]	476	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	477	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	478	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	479	#endif
[1]	480
	481	!
[75]	482	!-- 3D-arrays needed for humidity only
	483	IF ( humidity ) THEN
[1010]	484	#if defined( __nopointer )
	485	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	486	#else
[667]	487	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	488	#endif
[1]	489
[1788]	490	IF ( cloud_physics ) THEN
[1053]	491
[1]	492	!
	493	!-- Liquid water content
[1010]	494	#if defined( __nopointer )
	495	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	496	#else
[667]	497	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	498	#endif
[72]	499	!
	500	!-- Precipitation amount and rate (only needed if output is switched)
[1788]	501	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
[667]	502	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	503
	504	!
[1822]	505	!-- 3D-cloud water content
[1053]	506	#if defined( __nopointer )
[1822]	507	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	508	#else
[1822]	509	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	510	#endif
[1822]	511	!
	512	!-- 3d-precipitation rate
	513	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	514
[1822]	515	IF ( microphysics_seifert ) THEN
[1053]	516	!
[1822]	517	!-- 2D-rain water content and rain drop concentration arrays
	518	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	519	qrsws(nysg:nyng,nxlg:nxrg), &
	520	qrswst(nysg:nyng,nxlg:nxrg), &
	521	nrs(nysg:nyng,nxlg:nxrg), &
	522	nrsws(nysg:nyng,nxlg:nxrg), &
	523	nrswst(nysg:nyng,nxlg:nxrg) )
[1115]	524	!
[1822]	525	!-- 3D-rain water content, rain drop concentration arrays
[1115]	526	#if defined( __nopointer )
[1822]	527	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	528	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	529	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	530	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	531	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	532	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	533	#else
[1822]	534	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	535	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	536	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	537	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	538	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	539	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	540	#endif
[1822]	541	ENDIF
[1053]	542
[1]	543	ENDIF
	544
	545	IF ( cloud_droplets ) THEN
	546	!
[1010]	547	!-- Liquid water content, change in liquid water content
	548	#if defined( __nopointer )
[1788]	549	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	550	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	551	#else
[1788]	552	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	553	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	554	#endif
	555	!
	556	!-- Real volume of particles (with weighting), volume of particles
[1788]	557	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	558	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	559	ENDIF
	560
	561	ENDIF
	562
	563	ENDIF
	564
[94]	565	IF ( ocean ) THEN
[1788]	566	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
[1001]	567	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	568	#if defined( __nopointer )
[1788]	569	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	570	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	571	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	572	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	573	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	574	#else
[1788]	575	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	576	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	577	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	578	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	579	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	580	prho => prho_1
	581	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	582	! density to be apointer
[1010]	583	#endif
[108]	584	IF ( humidity_remote ) THEN
[667]	585	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	586	qswst_remote = 0.0_wp
[108]	587	ENDIF
[94]	588	ENDIF
	589
[1]	590	!
	591	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	592	!-- particle velocities
[1831]	593	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence &
	594	.OR. num_acc_per_node > 0 ) THEN
[1153]	595	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	596	ENDIF
	597
	598	!
[1299]	599	!-- 1D-array for large scale subsidence velocity
[1361]	600	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	601	ALLOCATE ( w_subs(nzb:nzt+1) )
	602	w_subs = 0.0_wp
	603	ENDIF
[1299]	604
	605	!
[1400]	606	!-- ID-array and state-space-array for the parallel random number generator
	607	IF ( random_generator == 'random-parallel' ) THEN
	608	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	609	ALLOCATE ( id_random_array(0:ny,0:nx) )
	610	seq_random_array = 0
	611	id_random_array = 0
	612	ENDIF
	613
	614	!
[51]	615	!-- 4D-array for storing the Rif-values at vertical walls
	616	IF ( topography /= 'flat' ) THEN
[667]	617	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	618	rif_wall = 0.0_wp
[51]	619	ENDIF
	620
	621	!
[106]	622	!-- Arrays to store velocity data from t-dt and the phase speeds which
	623	!-- are needed for radiation boundary conditions
[73]	624	IF ( outflow_l ) THEN
[1788]	625	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	626	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	627	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	628	ENDIF
	629	IF ( outflow_r ) THEN
[1788]	630	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	631	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	632	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	633	ENDIF
[106]	634	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	635	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	636	c_w(nzb:nzt+1,nysg:nyng) )
[106]	637	ENDIF
[73]	638	IF ( outflow_s ) THEN
[1788]	639	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	640	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	641	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	642	ENDIF
	643	IF ( outflow_n ) THEN
[1788]	644	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	645	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	646	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	647	ENDIF
[106]	648	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	649	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	650	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	651	ENDIF
[996]	652	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	653	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	654	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	655	ENDIF
[73]	656
[978]	657
[1010]	658	#if ! defined( __nopointer )
[73]	659	!
[1]	660	!-- Initial assignment of the pointers
[1001]	661	e => e_1; e_p => e_2; te_m => e_3
[1032]	662	IF ( .NOT. neutral ) THEN
	663	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	664	ELSE
	665	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	666	ENDIF
[1001]	667	u => u_1; u_p => u_2; tu_m => u_3
	668	v => v_1; v_p => v_2; tv_m => v_3
	669	w => w_1; w_p => w_2; tw_m => w_3
[1]	670
[1001]	671	IF ( humidity .OR. passive_scalar ) THEN
	672	q => q_1; q_p => q_2; tq_m => q_3
[1053]	673	IF ( humidity ) THEN
	674	vpt => vpt_1
	675	IF ( cloud_physics ) THEN
	676	ql => ql_1
[1822]	677	qc => qc_1
	678	IF ( microphysics_seifert ) THEN
	679	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	680	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	681	ENDIF
	682	ENDIF
	683	ENDIF
[1001]	684	IF ( cloud_droplets ) THEN
	685	ql => ql_1
	686	ql_c => ql_2
[1]	687	ENDIF
[1001]	688	ENDIF
[1]	689
[1001]	690	IF ( ocean ) THEN
	691	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	692	ENDIF
[1010]	693	#endif
[1]	694
	695	!
[1551]	696	!-- Allocate land surface model arrays
	697	IF ( land_surface ) THEN
[1817]	698	CALL lsm_init_arrays
[1551]	699	ENDIF
	700
	701	!
[1914]	702	!-- Allocate wind turbine model arrays
	703	IF ( wind_turbine ) THEN
	704	CALL wtm_init_arrays
	705	ENDIF
	706
	707	!
[709]	708	!-- Allocate arrays containing the RK coefficient for calculation of
	709	!-- perturbation pressure and turbulent fluxes. At this point values are
	710	!-- set for pressure calculation during initialization (where no timestep
	711	!-- is done). Further below the values needed within the timestep scheme
	712	!-- will be set.
[1788]	713	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	714	weight_pres(1:intermediate_timestep_count_max) )
[1340]	715	weight_substep = 1.0_wp
	716	weight_pres = 1.0_wp
[1918]	717	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	718
[1402]	719	CALL location_message( 'finished', .TRUE. )
[1918]	720
[673]	721	!
[1918]	722	!-- Initialize local summation arrays for routine flow_statistics.
	723	!-- This is necessary because they may not yet have been initialized when they
	724	!-- are called from flow_statistics (or - depending on the chosen model run -
	725	!-- are never initialized)
	726	sums_divnew_l = 0.0_wp
	727	sums_divold_l = 0.0_wp
	728	sums_l_l = 0.0_wp
	729	sums_up_fraction_l = 0.0_wp
	730	sums_wsts_bc_l = 0.0_wp
	731
	732
	733	!
[1]	734	!-- Initialize model variables
[1788]	735	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	736	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	737	!
	738	!-- First model run of a possible job queue.
	739	!-- Initial profiles of the variables must be computes.
	740	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	741
[1402]	742	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	743	!
	744	!-- Use solutions of the 1D model as initial profiles,
	745	!-- start 1D model
	746	CALL init_1d_model
	747	!
	748	!-- Transfer initial profiles to the arrays of the 3D model
[667]	749	DO i = nxlg, nxrg
	750	DO j = nysg, nyng
[1]	751	e(:,j,i) = e1d
	752	kh(:,j,i) = kh1d
	753	km(:,j,i) = km1d
	754	pt(:,j,i) = pt_init
	755	u(:,j,i) = u1d
	756	v(:,j,i) = v1d
	757	ENDDO
	758	ENDDO
	759
[75]	760	IF ( humidity .OR. passive_scalar ) THEN
[667]	761	DO i = nxlg, nxrg
	762	DO j = nysg, nyng
[1]	763	q(:,j,i) = q_init
	764	ENDDO
	765	ENDDO
[1822]	766	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	767	DO i = nxlg, nxrg
	768	DO j = nysg, nyng
[1340]	769	qr(:,j,i) = 0.0_wp
	770	nr(:,j,i) = 0.0_wp
[1053]	771	ENDDO
	772	ENDDO
[1115]	773
[1053]	774	ENDIF
[1]	775	ENDIF
	776
	777	IF ( .NOT. constant_diffusion ) THEN
[667]	778	DO i = nxlg, nxrg
	779	DO j = nysg, nyng
[1]	780	e(:,j,i) = e1d
	781	ENDDO
	782	ENDDO
	783	!
	784	!-- Store initial profiles for output purposes etc.
	785	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	786
[1691]	787	IF ( constant_flux_layer ) THEN
[1707]	788	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	789	ts = 0.0_wp ! could actually be computed more accurately in the
	790	! 1D model. Update when opportunity arises.
[1]	791	us = us1d
	792	usws = usws1d
	793	vsws = vsws1d
	794	ELSE
[1340]	795	ts = 0.0_wp ! must be set, because used in
[1691]	796	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	797	us = 0.0_wp
	798	usws = 0.0_wp
	799	vsws = 0.0_wp
[1]	800	ENDIF
	801
	802	ELSE
[1340]	803	e = 0.0_wp ! must be set, because used in
[1691]	804	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	805	ts = 0.0_wp
	806	us = 0.0_wp
	807	usws = 0.0_wp
	808	vsws = 0.0_wp
[1]	809	ENDIF
[102]	810	uswst = top_momentumflux_u
	811	vswst = top_momentumflux_v
[1]	812
	813	!
	814	!-- In every case qs = 0.0 (see also pt)
	815	!-- This could actually be computed more accurately in the 1D model.
	816	!-- Update when opportunity arises!
[1053]	817	IF ( humidity .OR. passive_scalar ) THEN
[1340]	818	qs = 0.0_wp
[1822]	819	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	820	qrs = 0.0_wp
	821	nrs = 0.0_wp
[1053]	822	ENDIF
	823	ENDIF
[1]	824
	825	!
[1762]	826	!-- Inside buildings set velocities back to zero
[1]	827	IF ( topography /= 'flat' ) THEN
[1762]	828	DO i = nxlg, nxrg
	829	DO j = nysg, nyng
[1340]	830	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	831	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	832	ENDDO
	833	ENDDO
[667]	834
[1]	835	!
	836	!-- WARNING: The extra boundary conditions set after running the
	837	!-- ------- 1D model impose an error on the divergence one layer
	838	!-- below the topography; need to correct later
	839	!-- ATTENTION: Provisional correction for Piacsek & Williams
	840	!-- --------- advection scheme: keep u and v zero one layer below
	841	!-- the topography.
[667]	842	IF ( ibc_uv_b == 1 ) THEN
	843	!
[1]	844	!-- Neumann condition
	845	DO i = nxl-1, nxr+1
	846	DO j = nys-1, nyn+1
	847	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	848	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	849	ENDDO
	850	ENDDO
	851
	852	ENDIF
	853
	854	ENDIF
	855
[1402]	856	CALL location_message( 'finished', .TRUE. )
[1384]	857
[1788]	858	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	859	THEN
[1241]	860
[1402]	861	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	862	!
[1241]	863	!-- Overwrite initial profiles in case of nudging
[1788]	864	IF ( nudging ) THEN
[1241]	865	pt_init = ptnudge(:,1)
	866	u_init = unudge(:,1)
	867	v_init = vnudge(:,1)
	868	IF ( humidity .OR. passive_scalar ) THEN
	869	q_init = qnudge(:,1)
	870	ENDIF
	871
[1788]	872	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	873	'scalars from NUDGING_DATA are used.'
	874	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	875	ENDIF
	876
	877	!
[1]	878	!-- Use constructed initial profiles (velocity constant with height,
	879	!-- temperature profile with constant gradient)
[667]	880	DO i = nxlg, nxrg
	881	DO j = nysg, nyng
[1]	882	pt(:,j,i) = pt_init
	883	u(:,j,i) = u_init
	884	v(:,j,i) = v_init
	885	ENDDO
	886	ENDDO
[75]	887
[1]	888	!
[292]	889	!-- Set initial horizontal velocities at the lowest computational grid
	890	!-- levels to zero in order to avoid too small time steps caused by the
	891	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	892	!-- in the limiting formula!).
	893	IF ( ibc_uv_b /= 1 ) THEN
	894	DO i = nxlg, nxrg
	895	DO j = nysg, nyng
	896	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	897	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	898	ENDDO
	899	ENDDO
	900	ENDIF
[1]	901
[75]	902	IF ( humidity .OR. passive_scalar ) THEN
[667]	903	DO i = nxlg, nxrg
	904	DO j = nysg, nyng
[1]	905	q(:,j,i) = q_init
	906	ENDDO
	907	ENDDO
[1822]	908	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	909
[1822]	910	DO i = nxlg, nxrg
	911	DO j = nysg, nyng
	912	qr(:,j,i) = 0.0_wp
	913	nr(:,j,i) = 0.0_wp
[1053]	914	ENDDO
[1822]	915	ENDDO
[1115]	916
[1053]	917	ENDIF
[1]	918	ENDIF
	919
[94]	920	IF ( ocean ) THEN
[667]	921	DO i = nxlg, nxrg
	922	DO j = nysg, nyng
[94]	923	sa(:,j,i) = sa_init
	924	ENDDO
	925	ENDDO
	926	ENDIF
[1]	927
	928	IF ( constant_diffusion ) THEN
	929	km = km_constant
	930	kh = km / prandtl_number
[1340]	931	e = 0.0_wp
	932	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	933	DO k = nzb+1, nzt
[1340]	934	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	935	ENDDO
	936	km(nzb,:,:) = km(nzb+1,:,:)
	937	km(nzt+1,:,:) = km(nzt,:,:)
	938	kh = km / prandtl_number
	939	e = e_init
[1]	940	ELSE
[108]	941	IF ( .NOT. ocean ) THEN
[1340]	942	kh = 0.01_wp ! there must exist an initial diffusion, because
	943	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	944	! production terms, as long as not yet
	945	! e = (u/cm)*2 at k=nzb+1
	946	ELSE
[1340]	947	kh = 0.00001_wp
	948	km = 0.00001_wp
[108]	949	ENDIF
[1340]	950	e = 0.0_wp
[1]	951	ENDIF
[1691]	952	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	953	ts = 0.0_wp
[1920]	954	!
	955	!-- Very small number is required for calculation of Obukhov length
	956	!-- at first timestep
	957	us = 1E-30_wp
[1340]	958	usws = 0.0_wp
[102]	959	uswst = top_momentumflux_u
[1340]	960	vsws = 0.0_wp
[102]	961	vswst = top_momentumflux_v
[1340]	962	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	963
	964	!
	965	!-- Compute initial temperature field and other constants used in case
	966	!-- of a sloping surface
	967	IF ( sloping_surface ) CALL init_slope
	968
[1402]	969	CALL location_message( 'finished', .TRUE. )
[1384]	970
[1788]	971	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	972	THEN
[1384]	973
[1402]	974	CALL location_message( 'initializing by user', .FALSE. )
[46]	975	!
	976	!-- Initialization will completely be done by the user
	977	CALL user_init_3d_model
	978
[1402]	979	CALL location_message( 'finished', .TRUE. )
[1384]	980
[1]	981	ENDIF
[1384]	982
[1402]	983	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	984	.FALSE. )
[1384]	985
[667]	986	!
	987	!-- Bottom boundary
	988	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	989	u(nzb,:,:) = 0.0_wp
	990	v(nzb,:,:) = 0.0_wp
[667]	991	ENDIF
[1]	992
	993	!
[151]	994	!-- Apply channel flow boundary condition
[132]	995	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	996	u(nzt+1,:,:) = 0.0_wp
	997	v(nzt+1,:,:) = 0.0_wp
[132]	998	ENDIF
	999
	1000	!
[1]	1001	!-- Calculate virtual potential temperature
[1340]	1002	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1003
	1004	!
	1005	!-- Store initial profiles for output purposes etc.
	1006	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1007	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1008	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1009	hom(nzb,1,5,:) = 0.0_wp
	1010	hom(nzb,1,6,:) = 0.0_wp
[1]	1011	ENDIF
	1012	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1013	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1014	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1015
[97]	1016	IF ( ocean ) THEN
	1017	!
	1018	!-- Store initial salinity profile
	1019	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1020	ENDIF
[1]	1021
[75]	1022	IF ( humidity ) THEN
[1]	1023	!
	1024	!-- Store initial profile of total water content, virtual potential
	1025	!-- temperature
	1026	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1027	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1028	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1029	!
	1030	!-- Store initial profile of specific humidity and potential
	1031	!-- temperature
	1032	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1033	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1034	ENDIF
	1035	ENDIF
	1036
	1037	IF ( passive_scalar ) THEN
	1038	!
	1039	!-- Store initial scalar profile
	1040	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1041	ENDIF
	1042
	1043	!
[1400]	1044	!-- Initialize the random number generators (from numerical recipes)
	1045	CALL random_function_ini
[1429]	1046
[1400]	1047	IF ( random_generator == 'random-parallel' ) THEN
[1429]	1048	!-- Asigning an ID to every vertical gridpoint column
	1049	!-- dependig on the ensemble run number.
	1050	random_dummy=1
[1400]	1051	DO j=0,ny
	1052	DO i=0,nx
[1788]	1053	id_random_array(j,i) = random_dummy + 1E6 &
	1054	* ( ensemble_member_nr - 1000 )
[1429]	1055	random_dummy = random_dummy + 1
[1400]	1056	END DO
	1057	ENDDO
[1429]	1058	!-- Initializing with random_seed_parallel for every vertical
	1059	!-- gridpoint column.
	1060	random_dummy=0
[1400]	1061	DO j = nysg, nyng
	1062	DO i = nxlg, nxrg
	1063	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	1064	CALL random_number_parallel (random_dummy)
	1065	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	1066	END DO
	1067	ENDDO
	1068	ENDIF
	1069
	1070	!
[19]	1071	!-- Initialize fluxes at bottom surface
[1]	1072	IF ( use_surface_fluxes ) THEN
	1073
	1074	IF ( constant_heatflux ) THEN
	1075	!
	1076	!-- Heat flux is prescribed
	1077	IF ( random_heatflux ) THEN
	1078	CALL disturb_heatflux
	1079	ELSE
	1080	shf = surface_heatflux
	1081	!
[1241]	1082	!-- Initialize shf with data from external file LSF_DATA
[1788]	1083	IF ( large_scale_forcing .AND. lsf_surf ) THEN
[1241]	1084	CALL ls_forcing_surf ( simulated_time )
	1085	ENDIF
	1086
	1087	!
[1]	1088	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1089	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1090	DO i = nxlg, nxrg
	1091	DO j = nysg, nyng
[1]	1092	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1093	shf(j,i) = wall_heatflux(0)
	1094	ENDIF
	1095	ENDDO
	1096	ENDDO
	1097	ENDIF
	1098	ENDIF
	1099	ENDIF
	1100
	1101	!
	1102	!-- Determine the near-surface water flux
[75]	1103	IF ( humidity .OR. passive_scalar ) THEN
[1822]	1104	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1105	qrsws = 0.0_wp
	1106	nrsws = 0.0_wp
[1053]	1107	ENDIF
[1]	1108	IF ( constant_waterflux ) THEN
	1109	qsws = surface_waterflux
[407]	1110	!
	1111	!-- Over topography surface_waterflux is replaced by
	1112	!-- wall_humidityflux(0)
	1113	IF ( TRIM( topography ) /= 'flat' ) THEN
	1114	wall_qflux = wall_humidityflux
[667]	1115	DO i = nxlg, nxrg
	1116	DO j = nysg, nyng
[407]	1117	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1118	qsws(j,i) = wall_qflux(0)
	1119	ENDIF
	1120	ENDDO
	1121	ENDDO
	1122	ENDIF
[1]	1123	ENDIF
	1124	ENDIF
	1125
	1126	ENDIF
	1127
	1128	!
[19]	1129	!-- Initialize fluxes at top surface
[94]	1130	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1131	!-- The latent flux is zero in this case!
[19]	1132	IF ( use_top_fluxes ) THEN
	1133
	1134	IF ( constant_top_heatflux ) THEN
	1135	!
	1136	!-- Heat flux is prescribed
	1137	tswst = top_heatflux
	1138
[1053]	1139	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1140	qswst = 0.0_wp
[1822]	1141	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1142	nrswst = 0.0_wp
	1143	qrswst = 0.0_wp
[1053]	1144	ENDIF
	1145	ENDIF
[94]	1146
	1147	IF ( ocean ) THEN
[95]	1148	saswsb = bottom_salinityflux
[94]	1149	saswst = top_salinityflux
	1150	ENDIF
[102]	1151	ENDIF
[19]	1152
[102]	1153	!
	1154	!-- Initialization in case of a coupled model run
	1155	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1156	tswst = 0.0_wp
[102]	1157	ENDIF
	1158
[19]	1159	ENDIF
	1160
	1161	!
[1]	1162	!-- Initialize Prandtl layer quantities
[1691]	1163	IF ( constant_flux_layer ) THEN
[1]	1164
	1165	z0 = roughness_length
[978]	1166	z0h = z0h_factor * z0
[1788]	1167	z0q = z0h_factor * z0
[1]	1168
	1169	IF ( .NOT. constant_heatflux ) THEN
	1170	!
	1171	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1172	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1173	!-- to be computed by iteration. This is why the heat flux is assumed
	1174	!-- to be zero before the first time step. It approaches its correct
	1175	!-- value in the course of the first few time steps.
[1340]	1176	shf = 0.0_wp
[1]	1177	ENDIF
	1178
[75]	1179	IF ( humidity .OR. passive_scalar ) THEN
[1788]	1180	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1822]	1181	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1182	qrsws = 0.0_wp
	1183	nrsws = 0.0_wp
[1053]	1184	ENDIF
[1]	1185	ENDIF
	1186
	1187	ENDIF
	1188
[1179]	1189	!
	1190	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1191	!-- the reference state will be set (overwritten) in init_ocean)
	1192	IF ( use_single_reference_value ) THEN
[1788]	1193	IF ( .NOT. humidity ) THEN
[1179]	1194	ref_state(:) = pt_reference
	1195	ELSE
	1196	ref_state(:) = vpt_reference
	1197	ENDIF
	1198	ELSE
[1788]	1199	IF ( .NOT. humidity ) THEN
[1179]	1200	ref_state(:) = pt_init(:)
	1201	ELSE
	1202	ref_state(:) = vpt(:,nys,nxl)
	1203	ENDIF
	1204	ENDIF
[152]	1205
	1206	!
[707]	1207	!-- For the moment, vertical velocity is zero
[1340]	1208	w = 0.0_wp
[1]	1209
	1210	!
	1211	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1212	sums = 0.0_wp
[1]	1213
	1214	!
[707]	1215	!-- In case of iterative solvers, p must get an initial value
[1575]	1216	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1217
	1218	!
[72]	1219	!-- Treating cloud physics, liquid water content and precipitation amount
	1220	!-- are zero at beginning of the simulation
	1221	IF ( cloud_physics ) THEN
[1340]	1222	ql = 0.0_wp
[1822]	1223	qc = 0.0_wp
	1224
	1225	precipitation_amount = 0.0_wp
[72]	1226	ENDIF
[673]	1227	!
[1]	1228	!-- Impose vortex with vertical axis on the initial velocity profile
	1229	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1230	CALL init_rankine
	1231	ENDIF
	1232
	1233	!
	1234	!-- Impose temperature anomaly (advection test only)
	1235	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1236	CALL init_pt_anomaly
	1237	ENDIF
	1238
	1239	!
	1240	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1241	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1242	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1243	ENDIF
	1244
	1245	!
	1246	!-- If required, change the surface humidity/scalar at the start of the 3D
	1247	!-- run
[1788]	1248	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1249	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1250	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1251	ENDIF
	1252
	1253	!
	1254	!-- Initialize old and new time levels.
[1340]	1255	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]	1256	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1257
[75]	1258	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1259	tq_m = 0.0_wp
[1]	1260	q_p = q
[1822]	1261	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1262	tqr_m = 0.0_wp
[1822]	1263	qr_p = qr
[1340]	1264	tnr_m = 0.0_wp
[1822]	1265	nr_p = nr
[1053]	1266	ENDIF
[1]	1267	ENDIF
	1268
[94]	1269	IF ( ocean ) THEN
[1340]	1270	tsa_m = 0.0_wp
[94]	1271	sa_p = sa
	1272	ENDIF
[667]	1273
[1402]	1274	CALL location_message( 'finished', .TRUE. )
[94]	1275
[1788]	1276	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
	1277	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1278	THEN
[1384]	1279
[1402]	1280	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1281	.FALSE. )
[1]	1282	!
[767]	1283	!-- When reading data for cyclic fill of 3D prerun data files, read
	1284	!-- some of the global variables from the restart file which are required
	1285	!-- for initializing the inflow
[328]	1286	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1287
[759]	1288	DO i = 0, io_blocks-1
	1289	IF ( i == io_group ) THEN
	1290	CALL read_parts_of_var_list
	1291	CALL close_file( 13 )
	1292	ENDIF
	1293	#if defined( __parallel )
	1294	CALL MPI_BARRIER( comm2d, ierr )
	1295	#endif
	1296	ENDDO
[328]	1297
[767]	1298	ENDIF
	1299
[151]	1300	!
[767]	1301	!-- Read binary data from restart file
	1302	DO i = 0, io_blocks-1
	1303	IF ( i == io_group ) THEN
	1304	CALL read_3d_binary
	1305	ENDIF
	1306	#if defined( __parallel )
	1307	CALL MPI_BARRIER( comm2d, ierr )
	1308	#endif
	1309	ENDDO
	1310
[328]	1311	!
[767]	1312	!-- Initialization of the turbulence recycling method
[1788]	1313	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1314	turbulent_inflow ) THEN
	1315	!
	1316	!-- First store the profiles to be used at the inflow.
	1317	!-- These profiles are the (temporally) and horizontally averaged vertical
	1318	!-- profiles from the prerun. Alternatively, prescribed profiles
	1319	!-- for u,v-components can be used.
[1615]	1320	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,6) )
[151]	1321
[767]	1322	IF ( use_prescribed_profile_data ) THEN
	1323	mean_inflow_profiles(:,1) = u_init ! u
	1324	mean_inflow_profiles(:,2) = v_init ! v
	1325	ELSE
[328]	1326	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1327	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1328	ENDIF
	1329	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1330	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1615]	1331	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
[151]	1332
	1333	!
[767]	1334	!-- If necessary, adjust the horizontal flow field to the prescribed
	1335	!-- profiles
	1336	IF ( use_prescribed_profile_data ) THEN
	1337	DO i = nxlg, nxrg
[667]	1338	DO j = nysg, nyng
[328]	1339	DO k = nzb, nzt+1
[767]	1340	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1341	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1342	ENDDO
[151]	1343	ENDDO
[767]	1344	ENDDO
	1345	ENDIF
[151]	1346
	1347	!
[767]	1348	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1349	!-- conditions are used)
	1350	IF ( inflow_l ) THEN
	1351	DO j = nysg, nyng
	1352	DO k = nzb, nzt+1
	1353	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1354	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1355	w(k,j,nxlg:-1) = 0.0_wp
[767]	1356	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1357	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1615]	1358	IF ( humidity .OR. passive_scalar ) &
	1359	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[767]	1360	ENDDO
	1361	ENDDO
	1362	ENDIF
	1363
[151]	1364	!
[767]	1365	!-- Calculate the damping factors to be used at the inflow. For a
	1366	!-- turbulent inflow the turbulent fluctuations have to be limited
	1367	!-- vertically because otherwise the turbulent inflow layer will grow
	1368	!-- in time.
[1340]	1369	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1370	!
	1371	!-- Default: use the inversion height calculated by the prerun; if
	1372	!-- this is zero, inflow_damping_height must be explicitly
	1373	!-- specified.
[1340]	1374	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1375	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1376	ELSE
[1788]	1377	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1378	'explicitly specified because&the inversion height ', &
[767]	1379	'calculated by the prerun is zero.'
	1380	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1381	ENDIF
[151]	1382
[767]	1383	ENDIF
	1384
[1340]	1385	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1386	!
[767]	1387	!-- Default for the transition range: one tenth of the undamped
	1388	!-- layer
[1340]	1389	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1390
[767]	1391	ENDIF
[151]	1392
[767]	1393	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1394
[767]	1395	DO k = nzb, nzt+1
[151]	1396
[767]	1397	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1398	inflow_damping_factor(k) = 1.0_wp
[996]	1399	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1400	inflow_damping_factor(k) = 1.0_wp - &
[996]	1401	( zu(k) - inflow_damping_height ) / &
	1402	inflow_damping_width
[767]	1403	ELSE
[1340]	1404	inflow_damping_factor(k) = 0.0_wp
[767]	1405	ENDIF
[151]	1406
[767]	1407	ENDDO
[151]	1408
[147]	1409	ENDIF
	1410
[152]	1411	!
[359]	1412	!-- Inside buildings set velocities and TKE back to zero
[1788]	1413	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1414	topography /= 'flat' ) THEN
	1415	!
	1416	!-- Inside buildings set velocities and TKE back to zero.
	1417	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1418	!-- maybe revise later.
[1001]	1419	DO i = nxlg, nxrg
	1420	DO j = nysg, nyng
[1340]	1421	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1422	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1423	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1424	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1425	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1426	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1427	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1428	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1429	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1430	ENDDO
[1001]	1431	ENDDO
[359]	1432
	1433	ENDIF
	1434
	1435	!
[1]	1436	!-- Calculate initial temperature field and other constants used in case
	1437	!-- of a sloping surface
	1438	IF ( sloping_surface ) CALL init_slope
	1439
	1440	!
	1441	!-- Initialize new time levels (only done in order to set boundary values
	1442	!-- including ghost points)
	1443	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1444	IF ( humidity .OR. passive_scalar ) THEN
	1445	q_p = q
[1822]	1446	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1447	qr_p = qr
	1448	nr_p = nr
	1449	ENDIF
	1450	ENDIF
[94]	1451	IF ( ocean ) sa_p = sa
[1]	1452
[181]	1453	!
	1454	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1455	!-- have to be predefined here because they are used (but multiplied with 0)
	1456	!-- there before they are set.
[1340]	1457	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]	1458	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1459	tq_m = 0.0_wp
[1822]	1460	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1461	tqr_m = 0.0_wp
	1462	tnr_m = 0.0_wp
[1053]	1463	ENDIF
	1464	ENDIF
[1340]	1465	IF ( ocean ) tsa_m = 0.0_wp
[181]	1466
[1402]	1467	CALL location_message( 'finished', .TRUE. )
[1384]	1468
[1]	1469	ELSE
	1470	!
	1471	!-- Actually this part of the programm should not be reached
[254]	1472	message_string = 'unknown initializing problem'
	1473	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1474	ENDIF
	1475
[151]	1476
	1477	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1478	!
[151]	1479	!-- Initialize old timelevels needed for radiation boundary conditions
	1480	IF ( outflow_l ) THEN
	1481	u_m_l(:,:,:) = u(:,:,1:2)
	1482	v_m_l(:,:,:) = v(:,:,0:1)
	1483	w_m_l(:,:,:) = w(:,:,0:1)
	1484	ENDIF
	1485	IF ( outflow_r ) THEN
	1486	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1487	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1488	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1489	ENDIF
	1490	IF ( outflow_s ) THEN
	1491	u_m_s(:,:,:) = u(:,0:1,:)
	1492	v_m_s(:,:,:) = v(:,1:2,:)
	1493	w_m_s(:,:,:) = w(:,0:1,:)
	1494	ENDIF
	1495	IF ( outflow_n ) THEN
	1496	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1497	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1498	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1499	ENDIF
[667]	1500
[151]	1501	ENDIF
[680]	1502
[667]	1503	!
	1504	!-- Calculate the initial volume flow at the right and north boundary
[709]	1505	IF ( conserve_volume_flow ) THEN
[151]	1506
[767]	1507	IF ( use_prescribed_profile_data ) THEN
[667]	1508
[1340]	1509	volume_flow_initial_l = 0.0_wp
	1510	volume_flow_area_l = 0.0_wp
[732]	1511
[667]	1512	IF ( nxr == nx ) THEN
	1513	DO j = nys, nyn
[1845]	1514	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1515	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1516	u_init(k) * dzw(k)
	1517	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1518	ENDDO
	1519	ENDDO
	1520	ENDIF
	1521
	1522	IF ( nyn == ny ) THEN
	1523	DO i = nxl, nxr
[1845]	1524	DO k = nzb_v_inner(ny,i)+1, nzt
[767]	1525	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1526	v_init(k) * dzw(k)
	1527	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1528	ENDDO
	1529	ENDDO
	1530	ENDIF
	1531
	1532	#if defined( __parallel )
	1533	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1534	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1535	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1536	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1537
	1538	#else
	1539	volume_flow_initial = volume_flow_initial_l
	1540	volume_flow_area = volume_flow_area_l
	1541	#endif
	1542
	1543	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1544
[1340]	1545	volume_flow_initial_l = 0.0_wp
	1546	volume_flow_area_l = 0.0_wp
[767]	1547
	1548	IF ( nxr == nx ) THEN
	1549	DO j = nys, nyn
[1845]	1550	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1551	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1552	hom_sum(k,1,0) * dzw(k)
	1553	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1554	ENDDO
	1555	ENDDO
	1556	ENDIF
	1557
	1558	IF ( nyn == ny ) THEN
	1559	DO i = nxl, nxr
[1845]	1560	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1561	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1562	hom_sum(k,2,0) * dzw(k)
[667]	1563	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1564	ENDDO
	1565	ENDDO
	1566	ENDIF
	1567
[732]	1568	#if defined( __parallel )
	1569	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1570	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1571	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1572	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1573
	1574	#else
	1575	volume_flow_initial = volume_flow_initial_l
	1576	volume_flow_area = volume_flow_area_l
	1577	#endif
	1578
[667]	1579	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1580
[1340]	1581	volume_flow_initial_l = 0.0_wp
	1582	volume_flow_area_l = 0.0_wp
[732]	1583
[667]	1584	IF ( nxr == nx ) THEN
	1585	DO j = nys, nyn
[1845]	1586	DO k = nzb_u_inner(j,nx)+1, nzt
[667]	1587	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1588	u(k,j,nx) * dzw(k)
[667]	1589	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1590	ENDDO
	1591	ENDDO
	1592	ENDIF
	1593
	1594	IF ( nyn == ny ) THEN
	1595	DO i = nxl, nxr
[1845]	1596	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1597	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[667]	1598	v(k,ny,i) * dzw(k)
	1599	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1600	ENDDO
	1601	ENDDO
	1602	ENDIF
	1603
	1604	#if defined( __parallel )
[732]	1605	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1606	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1607	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1608	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1609
	1610	#else
[732]	1611	volume_flow_initial = volume_flow_initial_l
	1612	volume_flow_area = volume_flow_area_l
[667]	1613	#endif
	1614
[732]	1615	ENDIF
	1616
[151]	1617	!
[709]	1618	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1619	!-- from u\|v_bulk instead
[680]	1620	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1621	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1622	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1623	ENDIF
[667]	1624
[680]	1625	ENDIF
	1626
[787]	1627	!
	1628	!-- Initialize quantities for special advections schemes
	1629	CALL init_advec
[680]	1630
[667]	1631	!
[680]	1632	!-- Impose random perturbation on the horizontal velocity field and then
	1633	!-- remove the divergences from the velocity field at the initial stage
[1788]	1634	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1635	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1636	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1637
[1402]	1638	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1639	CALL disturb_field( nzb_u_inner, tend, u )
	1640	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1641	CALL location_message( 'finished', .TRUE. )
[1384]	1642
[1402]	1643	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1644	n_sor = nsor_ini
[1221]	1645	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1646	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1647	!$acc copyin( weight_pres, weight_substep ) &
	1648	!$acc copy( tri, tric, u, v, w )
[680]	1649	CALL pres
[1111]	1650	!$acc end data
[680]	1651	n_sor = nsor
[1402]	1652	CALL location_message( 'finished', .TRUE. )
[1384]	1653
[680]	1654	ENDIF
	1655
	1656	!
[1484]	1657	!-- If required, initialize quantities needed for the plant canopy model
[1826]	1658	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1659	IF ( plant_canopy ) CALL pcm_init
	1660	CALL location_message( 'finished', .TRUE. )
[138]	1661
	1662	!
[1]	1663	!-- If required, initialize dvrp-software
[1340]	1664	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1665
[96]	1666	IF ( ocean ) THEN
[1]	1667	!
[96]	1668	!-- Initialize quantities needed for the ocean model
	1669	CALL init_ocean
[388]	1670
[96]	1671	ELSE
	1672	!
	1673	!-- Initialize quantities for handling cloud physics
[849]	1674	!-- This routine must be called before lpm_init, because
[96]	1675	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1676	!-- lpm_init) is not defined.
[96]	1677	CALL init_cloud_physics
[1849]	1678	!
	1679	!-- Initialize bulk cloud microphysics
	1680	CALL microphysics_init
[96]	1681	ENDIF
[1]	1682
	1683	!
	1684	!-- If required, initialize particles
[849]	1685	IF ( particle_advection ) CALL lpm_init
[1]	1686
[1585]	1687	!
	1688	!-- If required, initialize quantities needed for the LSM
	1689	IF ( land_surface ) THEN
	1690	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1691	CALL lsm_init
[1585]	1692	CALL location_message( 'finished', .TRUE. )
	1693	ENDIF
[1496]	1694
[1]	1695	!
[1691]	1696	!-- Initialize surface layer (done after LSM as roughness length are required
	1697	!-- for initialization
	1698	IF ( constant_flux_layer ) THEN
	1699	CALL location_message( 'initializing surface layer', .FALSE. )
	1700	CALL init_surface_layer_fluxes
	1701	CALL location_message( 'finished', .TRUE. )
	1702	ENDIF
	1703
	1704	!
[1496]	1705	!-- If required, initialize radiation model
	1706	IF ( radiation ) THEN
[1585]	1707	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1708	CALL radiation_init
[1585]	1709	CALL location_message( 'finished', .TRUE. )
[1496]	1710	ENDIF
[1914]	1711
	1712	!
	1713	!-- If required, initialize quantities needed for the wind turbine model
	1714	IF ( wind_turbine ) THEN
	1715	CALL location_message( 'initializing wind turbine model', .FALSE. )
	1716	CALL wtm_init
	1717	CALL location_message( 'finished', .TRUE. )
	1718	ENDIF
[1496]	1719
[1914]	1720
[1496]	1721	!
[673]	1722	!-- Initialize the ws-scheme.
	1723	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1724
	1725	!
[709]	1726	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	1727	!-- and turbulent quantities from the RK substeps
[709]	1728	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1729
[1322]	1730	weight_substep(1) = 1._wp/6._wp
	1731	weight_substep(2) = 3._wp/10._wp
	1732	weight_substep(3) = 8._wp/15._wp
[709]	1733
[1322]	1734	weight_pres(1) = 1._wp/3._wp
	1735	weight_pres(2) = 5._wp/12._wp
	1736	weight_pres(3) = 1._wp/4._wp
[709]	1737
	1738	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1739
[1322]	1740	weight_substep(1) = 1._wp/2._wp
	1741	weight_substep(2) = 1._wp/2._wp
[673]	1742
[1322]	1743	weight_pres(1) = 1._wp/2._wp
	1744	weight_pres(2) = 1._wp/2._wp
[709]	1745
[1001]	1746	ELSE ! for Euler-method
[709]	1747
[1340]	1748	weight_substep(1) = 1.0_wp
	1749	weight_pres(1) = 1.0_wp
[709]	1750
[673]	1751	ENDIF
	1752
	1753	!
[1]	1754	!-- Initialize Rayleigh damping factors
[1340]	1755	rdf = 0.0_wp
	1756	rdf_sc = 0.0_wp
	1757	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	1758	IF ( .NOT. ocean ) THEN
[108]	1759	DO k = nzb+1, nzt
	1760	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	1761	rdf(k) = rayleigh_damping_factor * &
[1340]	1762	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	1763	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	1764	)**2
[108]	1765	ENDIF
	1766	ENDDO
	1767	ELSE
	1768	DO k = nzt, nzb+1, -1
	1769	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	1770	rdf(k) = rayleigh_damping_factor * &
[1340]	1771	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	1772	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	1773	)**2
	1774	ENDIF
	1775	ENDDO
	1776	ENDIF
[1]	1777	ENDIF
[785]	1778	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1779
	1780	!
[240]	1781	!-- Initialize the starting level and the vertical smoothing factor used for
	1782	!-- the external pressure gradient
[1340]	1783	dp_smooth_factor = 1.0_wp
[240]	1784	IF ( dp_external ) THEN
	1785	!
	1786	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1787	!-- (e.g. in init_grid).
	1788	IF ( dp_level_ind_b == 0 ) THEN
	1789	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1790	dp_level_ind_b = ind_array(1) - 1 + nzb
	1791	! MINLOC uses lower array bound 1
	1792	ENDIF
	1793	IF ( dp_smooth ) THEN
[1340]	1794	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1795	DO k = dp_level_ind_b+1, nzt
[1340]	1796	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1797	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1798	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1799	ENDDO
	1800	ENDIF
	1801	ENDIF
	1802
	1803	!
[978]	1804	!-- Initialize damping zone for the potential temperature in case of
	1805	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1806	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1807	ptdf_x = 0.0_wp
	1808	ptdf_y = 0.0_wp
[1159]	1809	IF ( bc_lr_dirrad ) THEN
[996]	1810	DO i = nxl, nxr
[978]	1811	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1812	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1813	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	1814	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1815	ENDIF
	1816	ENDDO
[1159]	1817	ELSEIF ( bc_lr_raddir ) THEN
[996]	1818	DO i = nxl, nxr
[978]	1819	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1820	ptdf_x(i) = pt_damping_factor * &
[1340]	1821	SIN( pi * 0.5_wp * &
	1822	( ( i - nx ) * dx + pt_damping_width ) / &
	1823	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1824	ENDIF
[978]	1825	ENDDO
[1159]	1826	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1827	DO j = nys, nyn
[978]	1828	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1829	ptdf_y(j) = pt_damping_factor * &
[1340]	1830	SIN( pi * 0.5_wp * &
	1831	( ( j - ny ) * dy + pt_damping_width ) / &
	1832	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1833	ENDIF
[978]	1834	ENDDO
[1159]	1835	ELSEIF ( bc_ns_raddir ) THEN
[996]	1836	DO j = nys, nyn
[978]	1837	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1838	ptdf_y(j) = pt_damping_factor * &
[1340]	1839	SIN( pi * 0.5_wp * &
	1840	( pt_damping_width - j * dy ) / &
	1841	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1842	ENDIF
[73]	1843	ENDDO
[1]	1844	ENDIF
	1845
	1846	!
	1847	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1848	!-- Ghost points are excluded because counting values at the ghost boundaries
	1849	!-- would bias the statistics
[1340]	1850	rmask = 1.0_wp
	1851	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1852	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1853
	1854	!
[51]	1855	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1856	!-- of allowed timeseries is exceeded
[1]	1857	CALL user_init
	1858
[51]	1859	IF ( dots_num > dots_max ) THEN
[1788]	1860	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	1861	' its maximum of dots_max = ', dots_max, &
[254]	1862	' &Please increase dots_max in modules.f90.'
	1863	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1864	ENDIF
	1865
[1]	1866	!
	1867	!-- Input binary data file is not needed anymore. This line must be placed
	1868	!-- after call of user_init!
	1869	CALL close_file( 13 )
	1870
	1871	!
	1872	!-- Compute total sum of active mask grid points
[1738]	1873	!-- and the mean surface level height for each statistic region
[1]	1874	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1875	!-- total domain
	1876	!-- ngp_3d: number of grid points of the total domain
[132]	1877	ngp_2dh_outer_l = 0
	1878	ngp_2dh_outer = 0
	1879	ngp_2dh_s_inner_l = 0
	1880	ngp_2dh_s_inner = 0
	1881	ngp_2dh_l = 0
	1882	ngp_2dh = 0
[1340]	1883	ngp_3d_inner_l = 0.0_wp
[132]	1884	ngp_3d_inner = 0
	1885	ngp_3d = 0
	1886	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1887
[1738]	1888	mean_surface_level_height = 0.0_wp
	1889	mean_surface_level_height_l = 0.0_wp
	1890
[1]	1891	DO sr = 0, statistic_regions
	1892	DO i = nxl, nxr
	1893	DO j = nys, nyn
[1340]	1894	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1895	!
	1896	!-- All xy-grid points
	1897	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
[1788]	1898	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
	1899	+ zw(nzb_s_inner(j,i))
[1]	1900	!
	1901	!-- xy-grid points above topography
	1902	DO k = nzb_s_outer(j,i), nz + 1
	1903	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1904	ENDDO
[132]	1905	DO k = nzb_s_inner(j,i), nz + 1
	1906	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1907	ENDDO
[1]	1908	!
	1909	!-- All grid points of the total domain above topography
[1788]	1910	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
	1911	+ ( nz - nzb_s_inner(j,i) + 2 )
[1]	1912	ENDIF
	1913	ENDDO
	1914	ENDDO
	1915	ENDDO
	1916
	1917	sr = statistic_regions + 1
	1918	#if defined( __parallel )
[622]	1919	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1920	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1921	comm2d, ierr )
[622]	1922	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1923	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1924	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1925	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1926	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1927	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1928	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1929	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1930	MPI_SUM, comm2d, ierr )
[485]	1931	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	1932	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1933	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	1934	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	1935	MPI_SUM, comm2d, ierr )
	1936	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	1937	#else
[132]	1938	ngp_2dh = ngp_2dh_l
	1939	ngp_2dh_outer = ngp_2dh_outer_l
	1940	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1941	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	1942	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	1943	#endif
	1944
[560]	1945	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1946	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1947
	1948	!
	1949	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1950	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1951	!-- the respective subdomain lie below the surface topography
[667]	1952	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	1953	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	1954	ngp_3d_inner(:) )
[667]	1955	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1956
[1788]	1957	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	1958	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1959
[1402]	1960	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	1961
	1962	END SUBROUTINE init_3d_model

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