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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1921

Last change on this file since 1921 was 1921, checked in by suehring, 8 years ago

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

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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	!
[1818]	16	! Copyright 1997-2016 Leibniz Universitaet Hannover
[1036]	17	!--------------------------------------------------------------------------------!
	18	!
[254]	19	! Current revisions:
[732]	20	! ------------------
[1921]	21	!
[1919]	22	!
[1851]	23	! Former revisions:
	24	! -----------------
	25	! $Id: init_3d_model.f90 1921 2016-05-30 10:52:07Z suehring $
	26	!
[1921]	27	! 1920 2016-05-30 10:50:15Z suehring
	28	! Initialize us with very small number to avoid segmentation fault during
	29	! calculation of Obukhov length
	30	!
[1919]	31	! 1918 2016-05-27 14:35:57Z raasch
	32	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	33	! bugfix: initialization of local sum arrays are moved to the beginning of the
	34	! routine because otherwise results from pres are overwritten
	35	!
[1917]	36	! 1914 2016-05-26 14:44:07Z witha
	37	! Added initialization of the wind turbine model
	38	!
[1879]	39	! 1878 2016-04-19 12:30:36Z hellstea
	40	! The zeroth element of weight_pres removed as unnecessary
	41	!
[1851]	42	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	43	! Adapted for modularization of microphysics.
	44	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	45	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	46	! microphysics_init.
	47	!
[1846]	48	! 1845 2016-04-08 08:29:13Z raasch
	49	! nzb_2d replaced by nzb_u\|v_inner
[1914]	50	!
[1834]	51	! 1833 2016-04-07 14:23:03Z raasch
	52	! initialization of spectra quantities moved to spectra_mod
	53	!
[1832]	54	! 1831 2016-04-07 13:15:51Z hoffmann
	55	! turbulence renamed collision_turbulence
	56	!
[1827]	57	! 1826 2016-04-07 12:01:39Z maronga
	58	! Renamed radiation calls.
	59	! Renamed canopy model calls.
	60	!
[1823]	61	! 1822 2016-04-07 07:49:42Z hoffmann
	62	! icloud_scheme replaced by microphysics_*
[1914]	63	!
[1818]	64	! 1817 2016-04-06 15:44:20Z maronga
	65	! Renamed lsm calls.
	66	!
[1816]	67	! 1815 2016-04-06 13:49:59Z raasch
	68	! zero-settings for velocities inside topography re-activated (was deactivated
	69	! in r1762)
	70	!
[1789]	71	! 1788 2016-03-10 11:01:04Z maronga
	72	! Added z0q.
	73	! Syntax layout improved.
	74	!
[1784]	75	! 1783 2016-03-06 18:36:17Z raasch
	76	! netcdf module name changed + related changes
	77	!
[1765]	78	! 1764 2016-02-28 12:45:19Z raasch
	79	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	80	!
[1763]	81	! 1762 2016-02-25 12:31:13Z hellstea
	82	! Introduction of nested domain feature
	83	!
[1739]	84	! 1738 2015-12-18 13:56:05Z raasch
	85	! calculate mean surface level height for each statistic region
	86	!
[1735]	87	! 1734 2015-12-02 12:17:12Z raasch
	88	! no initial disturbances in case that the disturbance energy limit has been
	89	! set zero
	90	!
[1708]	91	! 1707 2015-11-02 15:24:52Z maronga
	92	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	93	! devision by zero in neutral stratification
	94	!
[1692]	95	! 1691 2015-10-26 16:17:44Z maronga
	96	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	97	!
[1683]	98	! 1682 2015-10-07 23:56:08Z knoop
	99	! Code annotations made doxygen readable
	100	!
[1616]	101	! 1615 2015-07-08 18:49:19Z suehring
	102	! Enable turbulent inflow for passive_scalar and humidity
	103	!
[1586]	104	! 1585 2015-04-30 07:05:52Z maronga
	105	! Initialization of radiation code is now done after LSM initializtion
	106	!
[1576]	107	! 1575 2015-03-27 09:56:27Z raasch
	108	! adjustments for psolver-queries
	109	!
[1552]	110	! 1551 2015-03-03 14:18:16Z maronga
[1817]	111	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	112	! which is part of land_surface_model.
	113	!
[1508]	114	! 1507 2014-12-10 12:14:18Z suehring
	115	! Bugfix: set horizontal velocity components to zero inside topography
	116	!
[1497]	117	! 1496 2014-12-02 17:25:50Z maronga
	118	! Added initialization of the land surface and radiation schemes
	119	!
[1485]	120	! 1484 2014-10-21 10:53:05Z kanani
[1484]	121	! Changes due to new module structure of the plant canopy model:
[1508]	122	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	123	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	124	! call of subroutine init_plant_canopy added.
[1341]	125	!
[1432]	126	! 1431 2014-07-15 14:47:17Z suehring
	127	! var_d added, in order to normalize spectra.
	128	!
[1430]	129	! 1429 2014-07-15 12:53:45Z knoop
	130	! Ensemble run capability added to parallel random number generator
	131	!
[1412]	132	! 1411 2014-05-16 18:01:51Z suehring
	133	! Initial horizontal velocity profiles were not set to zero at the first vertical
	134	! grid level in case of non-cyclic lateral boundary conditions.
	135	!
[1407]	136	! 1406 2014-05-16 13:47:01Z raasch
	137	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	138	! no-slip boundary condition for uv
	139	!
[1403]	140	! 1402 2014-05-09 14:25:13Z raasch
	141	! location messages modified
	142	!
[1401]	143	! 1400 2014-05-09 14:03:54Z knoop
	144	! Parallel random number generator added
	145	!
[1385]	146	! 1384 2014-05-02 14:31:06Z raasch
	147	! location messages added
	148	!
[1362]	149	! 1361 2014-04-16 15:17:48Z hoffmann
	150	! tend_* removed
	151	! Bugfix: w_subs is not allocated anymore if it is already allocated
	152	!
[1360]	153	! 1359 2014-04-11 17:15:14Z hoffmann
	154	! module lpm_init_mod added to use statements, because lpm_init has become a
	155	! module
	156	!
[1354]	157	! 1353 2014-04-08 15:21:23Z heinze
	158	! REAL constants provided with KIND-attribute
	159	!
[1341]	160	! 1340 2014-03-25 19:45:13Z kanani
	161	! REAL constants defined as wp-kind
	162	!
[1323]	163	! 1322 2014-03-20 16:38:49Z raasch
	164	! REAL constants defined as wp-kind
	165	! module interfaces removed
	166	!
[1321]	167	! 1320 2014-03-20 08:40:49Z raasch
	168	! ONLY-attribute added to USE-statements,
	169	! kind-parameters added to all INTEGER and REAL declaration statements,
	170	! kinds are defined in new module kinds,
	171	! revision history before 2012 removed,
	172	! comment fields (!:) to be used for variable explanations added to
	173	! all variable declaration statements
	174	!
[1317]	175	! 1316 2014-03-17 07:44:59Z heinze
	176	! Bugfix: allocation of w_subs
	177	!
[1300]	178	! 1299 2014-03-06 13:15:21Z heinze
	179	! Allocate w_subs due to extension of large scale subsidence in combination
	180	! with large scale forcing data (LSF_DATA)
	181	!
[1242]	182	! 1241 2013-10-30 11:36:58Z heinze
	183	! Overwrite initial profiles in case of nudging
	184	! Inititialize shf and qsws in case of large_scale_forcing
	185	!
[1222]	186	! 1221 2013-09-10 08:59:13Z raasch
	187	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	188	! copy
	189	!
[1213]	190	! 1212 2013-08-15 08:46:27Z raasch
	191	! array tri is allocated and included in data copy statement
	192	!
[1196]	193	! 1195 2013-07-01 12:27:57Z heinze
	194	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	195	!
[1182]	196	! 1179 2013-06-14 05:57:58Z raasch
	197	! allocate and set ref_state to be used in buoyancy terms
	198	!
[1172]	199	! 1171 2013-05-30 11:27:45Z raasch
	200	! diss array is allocated with full size if accelerator boards are used
	201	!
[1160]	202	! 1159 2013-05-21 11:58:22Z fricke
	203	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	204	!
[1154]	205	! 1153 2013-05-10 14:33:08Z raasch
	206	! diss array is allocated with dummy elements even if it is not needed
[1171]	207	! (required by PGI 13.4 / CUDA 5.0)
[1154]	208	!
[1116]	209	! 1115 2013-03-26 18:16:16Z hoffmann
	210	! unused variables removed
	211	!
[1114]	212	! 1113 2013-03-10 02:48:14Z raasch
	213	! openACC directive modified
	214	!
[1112]	215	! 1111 2013-03-08 23:54:10Z raasch
	216	! openACC directives added for pres
	217	! array diss allocated only if required
	218	!
[1093]	219	! 1092 2013-02-02 11:24:22Z raasch
	220	! unused variables removed
	221	!
[1066]	222	! 1065 2012-11-22 17:42:36Z hoffmann
	223	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	224	!
[1054]	225	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	226	! allocation and initialisation of necessary data arrays for the two-moment
	227	! cloud physics scheme the two new prognostic equations (nr, qr):
	228	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	229	! +tend_*, prr
[979]	230	!
[1037]	231	! 1036 2012-10-22 13:43:42Z raasch
	232	! code put under GPL (PALM 3.9)
	233	!
[1033]	234	! 1032 2012-10-21 13:03:21Z letzel
	235	! save memory by not allocating pt_2 in case of neutral = .T.
	236	!
[1026]	237	! 1025 2012-10-07 16:04:41Z letzel
	238	! bugfix: swap indices of mask for ghost boundaries
	239	!
[1017]	240	! 1015 2012-09-27 09:23:24Z raasch
	241	! mask is set to zero for ghost boundaries
	242	!
[1011]	243	! 1010 2012-09-20 07:59:54Z raasch
	244	! cpp switch __nopointer added for pointer free version
	245	!
[1004]	246	! 1003 2012-09-14 14:35:53Z raasch
	247	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	248	!
[1002]	249	! 1001 2012-09-13 14:08:46Z raasch
	250	! all actions concerning leapfrog scheme removed
	251	!
[997]	252	! 996 2012-09-07 10:41:47Z raasch
	253	! little reformatting
	254	!
[979]	255	! 978 2012-08-09 08:28:32Z fricke
[978]	256	! outflow damping layer removed
	257	! roughness length for scalar quantites z0h added
	258	! damping zone for the potential temperatur in case of non-cyclic lateral
	259	! boundaries added
	260	! initialization of ptdf_x, ptdf_y
	261	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	262	!
[850]	263	! 849 2012-03-15 10:35:09Z raasch
	264	! init_particles renamed lpm_init
	265	!
[826]	266	! 825 2012-02-19 03:03:44Z raasch
	267	! wang_collision_kernel renamed wang_kernel
	268	!
[1]	269	! Revision 1.1 1998/03/09 16:22:22 raasch
	270	! Initial revision
	271	!
	272	!
	273	! Description:
	274	! ------------
[1682]	275	!> Allocation of arrays and initialization of the 3D model via
	276	!> a) pre-run the 1D model
	277	!> or
	278	!> b) pre-set constant linear profiles
	279	!> or
	280	!> c) read values of a previous run
[1]	281	!------------------------------------------------------------------------------!
[1682]	282	SUBROUTINE init_3d_model
	283
[1]	284
[667]	285	USE advec_ws
[1320]	286
[1]	287	USE arrays_3d
[1849]	288
[1320]	289	USE constants, &
	290	ONLY: pi
	291
[1]	292	USE control_parameters
[1320]	293
	294	USE grid_variables, &
	295	ONLY: dx, dy
	296
[1]	297	USE indices
[1359]	298
[1429]	299	USE lpm_init_mod, &
[1359]	300	ONLY: lpm_init
[1320]	301
	302	USE kinds
[1496]	303
	304	USE land_surface_model_mod, &
[1817]	305	ONLY: lsm_init, lsm_init_arrays, land_surface
[1496]	306
[1241]	307	USE ls_forcing_mod
[1849]	308
	309	USE microphysics_mod, &
	310	ONLY: collision_turbulence, microphysics_init
	311
[1320]	312	USE model_1d, &
	313	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	314
[1783]	315	USE netcdf_interface, &
	316	ONLY: dots_max, dots_num
[1320]	317
	318	USE particle_attributes, &
	319	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	320
[1]	321	USE pegrid
[1320]	322
[1484]	323	USE plant_canopy_model_mod, &
[1826]	324	ONLY: pcm_init, plant_canopy
[1496]	325
	326	USE radiation_model_mod, &
[1826]	327	ONLY: radiation_init, radiation
[1484]	328
[1320]	329	USE random_function_mod
	330
[1400]	331	USE random_generator_parallel, &
	332	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	333	id_random_array, seq_random_array
	334
[1320]	335	USE statistics, &
[1738]	336	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	337	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	338	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	339	weight_pres, weight_substep
[1691]	340
	341	USE surface_layer_fluxes_mod, &
	342	ONLY: init_surface_layer_fluxes
	343
[1320]	344	USE transpose_indices
[1]	345
[1914]	346	USE wind_turbine_model_mod, &
	347	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	348
[1]	349	IMPLICIT NONE
	350
[1682]	351	INTEGER(iwp) :: i !<
	352	INTEGER(iwp) :: ind_array(1) !<
	353	INTEGER(iwp) :: j !<
	354	INTEGER(iwp) :: k !<
	355	INTEGER(iwp) :: sr !<
[1]	356
[1682]	357	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	358
[1682]	359	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	360	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	361
[1764]	362	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	363	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	364
[1738]	365	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	366	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	367	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	368
[485]	369
[1402]	370	CALL location_message( 'allocating arrays', .FALSE. )
[1]	371	!
	372	!-- Allocate arrays
[1788]	373	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	374	mean_surface_level_height_l(0:statistic_regions), &
	375	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	376	ngp_3d(0:statistic_regions), &
	377	ngp_3d_inner(0:statistic_regions), &
	378	ngp_3d_inner_l(0:statistic_regions), &
	379	ngp_3d_inner_tmp(0:statistic_regions), &
	380	sums_divnew_l(0:statistic_regions), &
[1]	381	sums_divold_l(0:statistic_regions) )
[1195]	382	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	383	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	384	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	385	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	386	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	387	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	388	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	389	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	390	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	391	sums_up_fraction_l(10,3,0:statistic_regions), &
	392	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	393	ts_value(dots_max,0:statistic_regions) )
[978]	394	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	395
[1788]	396	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	397	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	398	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	399	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	400	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
	401	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
[1]	402
[1788]	403	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	404	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	405	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	406	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	407	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	408
	409	#if defined( __nopointer )
[1788]	410	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	411	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	412	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	413	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	414	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	415	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	416	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	417	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	418	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	419	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	420	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	421	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	422	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	423	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	424	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	425	#else
[1788]	426	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	427	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	428	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	429	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	430	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	431	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	432	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	433	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	434	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	435	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	436	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	437	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	438	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	439	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	440	IF ( .NOT. neutral ) THEN
[1032]	441	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	442	ENDIF
[1010]	443	#endif
	444
[673]	445	!
[707]	446	!-- Following array is required for perturbation pressure within the iterative
	447	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	448	!-- the weighted average of the substeps and cannot be used in the Poisson
	449	!-- solver.
	450	IF ( psolver == 'sor' ) THEN
	451	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	452	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	453	!
	454	!-- For performance reasons, multigrid is using one ghost layer only
	455	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	456	ENDIF
[1]	457
[1111]	458	!
	459	!-- Array for storing constant coeffficients of the tridiagonal solver
	460	IF ( psolver == 'poisfft' ) THEN
[1212]	461	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	462	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	463	ENDIF
	464
[1788]	465	IF ( humidity .OR. passive_scalar ) THEN
[1]	466	!
[75]	467	!-- 2D-humidity/scalar arrays
[1788]	468	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	469	qsws(nysg:nyng,nxlg:nxrg), &
[1001]	470	qswst(nysg:nyng,nxlg:nxrg) )
[1]	471
	472	!
[75]	473	!-- 3D-humidity/scalar arrays
[1010]	474	#if defined( __nopointer )
[1788]	475	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	476	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	477	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	478	#else
[1788]	479	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	480	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	481	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	482	#endif
[1]	483
	484	!
[75]	485	!-- 3D-arrays needed for humidity only
	486	IF ( humidity ) THEN
[1010]	487	#if defined( __nopointer )
	488	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	489	#else
[667]	490	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	491	#endif
[1]	492
[1788]	493	IF ( cloud_physics ) THEN
[1053]	494
[1]	495	!
	496	!-- Liquid water content
[1010]	497	#if defined( __nopointer )
	498	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	499	#else
[667]	500	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	501	#endif
[72]	502	!
	503	!-- Precipitation amount and rate (only needed if output is switched)
[1788]	504	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
[667]	505	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	506
	507	!
[1822]	508	!-- 3D-cloud water content
[1053]	509	#if defined( __nopointer )
[1822]	510	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	511	#else
[1822]	512	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	513	#endif
[1822]	514	!
	515	!-- 3d-precipitation rate
	516	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	517
[1822]	518	IF ( microphysics_seifert ) THEN
[1053]	519	!
[1822]	520	!-- 2D-rain water content and rain drop concentration arrays
	521	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	522	qrsws(nysg:nyng,nxlg:nxrg), &
	523	qrswst(nysg:nyng,nxlg:nxrg), &
	524	nrs(nysg:nyng,nxlg:nxrg), &
	525	nrsws(nysg:nyng,nxlg:nxrg), &
	526	nrswst(nysg:nyng,nxlg:nxrg) )
[1115]	527	!
[1822]	528	!-- 3D-rain water content, rain drop concentration arrays
[1115]	529	#if defined( __nopointer )
[1822]	530	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	531	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	532	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	533	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	534	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	535	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	536	#else
[1822]	537	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	538	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	539	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	540	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	541	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	542	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	543	#endif
[1822]	544	ENDIF
[1053]	545
[1]	546	ENDIF
	547
	548	IF ( cloud_droplets ) THEN
	549	!
[1010]	550	!-- Liquid water content, change in liquid water content
	551	#if defined( __nopointer )
[1788]	552	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	553	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	554	#else
[1788]	555	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	556	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	557	#endif
	558	!
	559	!-- Real volume of particles (with weighting), volume of particles
[1788]	560	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	561	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	562	ENDIF
	563
	564	ENDIF
	565
	566	ENDIF
	567
[94]	568	IF ( ocean ) THEN
[1788]	569	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
[1001]	570	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	571	#if defined( __nopointer )
[1788]	572	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	573	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	574	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	575	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	576	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	577	#else
[1788]	578	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	579	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	580	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	581	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	582	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	583	prho => prho_1
	584	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	585	! density to be apointer
[1010]	586	#endif
[108]	587	IF ( humidity_remote ) THEN
[667]	588	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	589	qswst_remote = 0.0_wp
[108]	590	ENDIF
[94]	591	ENDIF
	592
[1]	593	!
	594	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	595	!-- particle velocities
[1831]	596	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence &
	597	.OR. num_acc_per_node > 0 ) THEN
[1153]	598	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	599	ENDIF
	600
	601	!
[1299]	602	!-- 1D-array for large scale subsidence velocity
[1361]	603	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	604	ALLOCATE ( w_subs(nzb:nzt+1) )
	605	w_subs = 0.0_wp
	606	ENDIF
[1299]	607
	608	!
[1400]	609	!-- ID-array and state-space-array for the parallel random number generator
	610	IF ( random_generator == 'random-parallel' ) THEN
	611	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	612	ALLOCATE ( id_random_array(0:ny,0:nx) )
	613	seq_random_array = 0
	614	id_random_array = 0
	615	ENDIF
	616
	617	!
[51]	618	!-- 4D-array for storing the Rif-values at vertical walls
	619	IF ( topography /= 'flat' ) THEN
[667]	620	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	621	rif_wall = 0.0_wp
[51]	622	ENDIF
	623
	624	!
[106]	625	!-- Arrays to store velocity data from t-dt and the phase speeds which
	626	!-- are needed for radiation boundary conditions
[73]	627	IF ( outflow_l ) THEN
[1788]	628	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	629	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	630	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	631	ENDIF
	632	IF ( outflow_r ) THEN
[1788]	633	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	634	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	635	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	636	ENDIF
[106]	637	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	638	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	639	c_w(nzb:nzt+1,nysg:nyng) )
[106]	640	ENDIF
[73]	641	IF ( outflow_s ) THEN
[1788]	642	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	643	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	644	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	645	ENDIF
	646	IF ( outflow_n ) THEN
[1788]	647	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	648	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	649	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	650	ENDIF
[106]	651	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	652	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	653	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	654	ENDIF
[996]	655	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	656	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	657	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	658	ENDIF
[73]	659
[978]	660
[1010]	661	#if ! defined( __nopointer )
[73]	662	!
[1]	663	!-- Initial assignment of the pointers
[1001]	664	e => e_1; e_p => e_2; te_m => e_3
[1032]	665	IF ( .NOT. neutral ) THEN
	666	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	667	ELSE
	668	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	669	ENDIF
[1001]	670	u => u_1; u_p => u_2; tu_m => u_3
	671	v => v_1; v_p => v_2; tv_m => v_3
	672	w => w_1; w_p => w_2; tw_m => w_3
[1]	673
[1001]	674	IF ( humidity .OR. passive_scalar ) THEN
	675	q => q_1; q_p => q_2; tq_m => q_3
[1053]	676	IF ( humidity ) THEN
	677	vpt => vpt_1
	678	IF ( cloud_physics ) THEN
	679	ql => ql_1
[1822]	680	qc => qc_1
	681	IF ( microphysics_seifert ) THEN
	682	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	683	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	684	ENDIF
	685	ENDIF
	686	ENDIF
[1001]	687	IF ( cloud_droplets ) THEN
	688	ql => ql_1
	689	ql_c => ql_2
[1]	690	ENDIF
[1001]	691	ENDIF
[1]	692
[1001]	693	IF ( ocean ) THEN
	694	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	695	ENDIF
[1010]	696	#endif
[1]	697
	698	!
[1551]	699	!-- Allocate land surface model arrays
	700	IF ( land_surface ) THEN
[1817]	701	CALL lsm_init_arrays
[1551]	702	ENDIF
	703
	704	!
[1914]	705	!-- Allocate wind turbine model arrays
	706	IF ( wind_turbine ) THEN
	707	CALL wtm_init_arrays
	708	ENDIF
	709
	710	!
[709]	711	!-- Allocate arrays containing the RK coefficient for calculation of
	712	!-- perturbation pressure and turbulent fluxes. At this point values are
	713	!-- set for pressure calculation during initialization (where no timestep
	714	!-- is done). Further below the values needed within the timestep scheme
	715	!-- will be set.
[1788]	716	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	717	weight_pres(1:intermediate_timestep_count_max) )
[1340]	718	weight_substep = 1.0_wp
	719	weight_pres = 1.0_wp
[1918]	720	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	721
[1402]	722	CALL location_message( 'finished', .TRUE. )
[1918]	723
[673]	724	!
[1918]	725	!-- Initialize local summation arrays for routine flow_statistics.
	726	!-- This is necessary because they may not yet have been initialized when they
	727	!-- are called from flow_statistics (or - depending on the chosen model run -
	728	!-- are never initialized)
	729	sums_divnew_l = 0.0_wp
	730	sums_divold_l = 0.0_wp
	731	sums_l_l = 0.0_wp
	732	sums_up_fraction_l = 0.0_wp
	733	sums_wsts_bc_l = 0.0_wp
	734
	735
	736	!
[1]	737	!-- Initialize model variables
[1788]	738	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	739	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	740	!
	741	!-- First model run of a possible job queue.
	742	!-- Initial profiles of the variables must be computes.
	743	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	744
[1402]	745	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	746	!
	747	!-- Use solutions of the 1D model as initial profiles,
	748	!-- start 1D model
	749	CALL init_1d_model
	750	!
	751	!-- Transfer initial profiles to the arrays of the 3D model
[667]	752	DO i = nxlg, nxrg
	753	DO j = nysg, nyng
[1]	754	e(:,j,i) = e1d
	755	kh(:,j,i) = kh1d
	756	km(:,j,i) = km1d
	757	pt(:,j,i) = pt_init
	758	u(:,j,i) = u1d
	759	v(:,j,i) = v1d
	760	ENDDO
	761	ENDDO
	762
[75]	763	IF ( humidity .OR. passive_scalar ) THEN
[667]	764	DO i = nxlg, nxrg
	765	DO j = nysg, nyng
[1]	766	q(:,j,i) = q_init
	767	ENDDO
	768	ENDDO
[1822]	769	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	770	DO i = nxlg, nxrg
	771	DO j = nysg, nyng
[1340]	772	qr(:,j,i) = 0.0_wp
	773	nr(:,j,i) = 0.0_wp
[1053]	774	ENDDO
	775	ENDDO
[1115]	776
[1053]	777	ENDIF
[1]	778	ENDIF
	779
	780	IF ( .NOT. constant_diffusion ) THEN
[667]	781	DO i = nxlg, nxrg
	782	DO j = nysg, nyng
[1]	783	e(:,j,i) = e1d
	784	ENDDO
	785	ENDDO
	786	!
	787	!-- Store initial profiles for output purposes etc.
	788	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	789
[1691]	790	IF ( constant_flux_layer ) THEN
[1707]	791	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	792	ts = 0.0_wp ! could actually be computed more accurately in the
	793	! 1D model. Update when opportunity arises.
[1]	794	us = us1d
	795	usws = usws1d
	796	vsws = vsws1d
	797	ELSE
[1340]	798	ts = 0.0_wp ! must be set, because used in
[1691]	799	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	800	us = 0.0_wp
	801	usws = 0.0_wp
	802	vsws = 0.0_wp
[1]	803	ENDIF
	804
	805	ELSE
[1340]	806	e = 0.0_wp ! must be set, because used in
[1691]	807	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	808	ts = 0.0_wp
	809	us = 0.0_wp
	810	usws = 0.0_wp
	811	vsws = 0.0_wp
[1]	812	ENDIF
[102]	813	uswst = top_momentumflux_u
	814	vswst = top_momentumflux_v
[1]	815
	816	!
	817	!-- In every case qs = 0.0 (see also pt)
	818	!-- This could actually be computed more accurately in the 1D model.
	819	!-- Update when opportunity arises!
[1053]	820	IF ( humidity .OR. passive_scalar ) THEN
[1340]	821	qs = 0.0_wp
[1822]	822	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	823	qrs = 0.0_wp
	824	nrs = 0.0_wp
[1053]	825	ENDIF
	826	ENDIF
[1]	827
	828	!
[1762]	829	!-- Inside buildings set velocities back to zero
[1]	830	IF ( topography /= 'flat' ) THEN
[1762]	831	DO i = nxlg, nxrg
	832	DO j = nysg, nyng
[1340]	833	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	834	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	835	ENDDO
	836	ENDDO
[667]	837
[1]	838	!
	839	!-- WARNING: The extra boundary conditions set after running the
	840	!-- ------- 1D model impose an error on the divergence one layer
	841	!-- below the topography; need to correct later
	842	!-- ATTENTION: Provisional correction for Piacsek & Williams
	843	!-- --------- advection scheme: keep u and v zero one layer below
	844	!-- the topography.
[667]	845	IF ( ibc_uv_b == 1 ) THEN
	846	!
[1]	847	!-- Neumann condition
	848	DO i = nxl-1, nxr+1
	849	DO j = nys-1, nyn+1
	850	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	851	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	852	ENDDO
	853	ENDDO
	854
	855	ENDIF
	856
	857	ENDIF
	858
[1402]	859	CALL location_message( 'finished', .TRUE. )
[1384]	860
[1788]	861	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	862	THEN
[1241]	863
[1402]	864	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	865	!
[1241]	866	!-- Overwrite initial profiles in case of nudging
[1788]	867	IF ( nudging ) THEN
[1241]	868	pt_init = ptnudge(:,1)
	869	u_init = unudge(:,1)
	870	v_init = vnudge(:,1)
	871	IF ( humidity .OR. passive_scalar ) THEN
	872	q_init = qnudge(:,1)
	873	ENDIF
	874
[1788]	875	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	876	'scalars from NUDGING_DATA are used.'
	877	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	878	ENDIF
	879
	880	!
[1]	881	!-- Use constructed initial profiles (velocity constant with height,
	882	!-- temperature profile with constant gradient)
[667]	883	DO i = nxlg, nxrg
	884	DO j = nysg, nyng
[1]	885	pt(:,j,i) = pt_init
	886	u(:,j,i) = u_init
	887	v(:,j,i) = v_init
	888	ENDDO
	889	ENDDO
[75]	890
[1]	891	!
[292]	892	!-- Set initial horizontal velocities at the lowest computational grid
	893	!-- levels to zero in order to avoid too small time steps caused by the
	894	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	895	!-- in the limiting formula!).
	896	IF ( ibc_uv_b /= 1 ) THEN
	897	DO i = nxlg, nxrg
	898	DO j = nysg, nyng
	899	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	900	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	901	ENDDO
	902	ENDDO
	903	ENDIF
[1]	904
[75]	905	IF ( humidity .OR. passive_scalar ) THEN
[667]	906	DO i = nxlg, nxrg
	907	DO j = nysg, nyng
[1]	908	q(:,j,i) = q_init
	909	ENDDO
	910	ENDDO
[1822]	911	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	912
[1822]	913	DO i = nxlg, nxrg
	914	DO j = nysg, nyng
	915	qr(:,j,i) = 0.0_wp
	916	nr(:,j,i) = 0.0_wp
[1053]	917	ENDDO
[1822]	918	ENDDO
[1115]	919
[1053]	920	ENDIF
[1]	921	ENDIF
	922
[94]	923	IF ( ocean ) THEN
[667]	924	DO i = nxlg, nxrg
	925	DO j = nysg, nyng
[94]	926	sa(:,j,i) = sa_init
	927	ENDDO
	928	ENDDO
	929	ENDIF
[1]	930
	931	IF ( constant_diffusion ) THEN
	932	km = km_constant
	933	kh = km / prandtl_number
[1340]	934	e = 0.0_wp
	935	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	936	DO k = nzb+1, nzt
[1340]	937	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	938	ENDDO
	939	km(nzb,:,:) = km(nzb+1,:,:)
	940	km(nzt+1,:,:) = km(nzt,:,:)
	941	kh = km / prandtl_number
	942	e = e_init
[1]	943	ELSE
[108]	944	IF ( .NOT. ocean ) THEN
[1340]	945	kh = 0.01_wp ! there must exist an initial diffusion, because
	946	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	947	! production terms, as long as not yet
	948	! e = (u/cm)*2 at k=nzb+1
	949	ELSE
[1340]	950	kh = 0.00001_wp
	951	km = 0.00001_wp
[108]	952	ENDIF
[1340]	953	e = 0.0_wp
[1]	954	ENDIF
[1691]	955	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	956	ts = 0.0_wp
[1920]	957	!
	958	!-- Very small number is required for calculation of Obukhov length
	959	!-- at first timestep
	960	us = 1E-30_wp
[1340]	961	usws = 0.0_wp
[102]	962	uswst = top_momentumflux_u
[1340]	963	vsws = 0.0_wp
[102]	964	vswst = top_momentumflux_v
[1340]	965	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	966
	967	!
	968	!-- Compute initial temperature field and other constants used in case
	969	!-- of a sloping surface
	970	IF ( sloping_surface ) CALL init_slope
	971
[1402]	972	CALL location_message( 'finished', .TRUE. )
[1384]	973
[1788]	974	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	975	THEN
[1384]	976
[1402]	977	CALL location_message( 'initializing by user', .FALSE. )
[46]	978	!
	979	!-- Initialization will completely be done by the user
	980	CALL user_init_3d_model
	981
[1402]	982	CALL location_message( 'finished', .TRUE. )
[1384]	983
[1]	984	ENDIF
[1384]	985
[1402]	986	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	987	.FALSE. )
[1384]	988
[667]	989	!
	990	!-- Bottom boundary
	991	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	992	u(nzb,:,:) = 0.0_wp
	993	v(nzb,:,:) = 0.0_wp
[667]	994	ENDIF
[1]	995
	996	!
[151]	997	!-- Apply channel flow boundary condition
[132]	998	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	999	u(nzt+1,:,:) = 0.0_wp
	1000	v(nzt+1,:,:) = 0.0_wp
[132]	1001	ENDIF
	1002
	1003	!
[1]	1004	!-- Calculate virtual potential temperature
[1340]	1005	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1006
	1007	!
	1008	!-- Store initial profiles for output purposes etc.
	1009	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1010	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1011	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1012	hom(nzb,1,5,:) = 0.0_wp
	1013	hom(nzb,1,6,:) = 0.0_wp
[1]	1014	ENDIF
	1015	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1016	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1017	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1018
[97]	1019	IF ( ocean ) THEN
	1020	!
	1021	!-- Store initial salinity profile
	1022	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1023	ENDIF
[1]	1024
[75]	1025	IF ( humidity ) THEN
[1]	1026	!
	1027	!-- Store initial profile of total water content, virtual potential
	1028	!-- temperature
	1029	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1030	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1031	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1032	!
	1033	!-- Store initial profile of specific humidity and potential
	1034	!-- temperature
	1035	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1036	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1037	ENDIF
	1038	ENDIF
	1039
	1040	IF ( passive_scalar ) THEN
	1041	!
	1042	!-- Store initial scalar profile
	1043	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1044	ENDIF
	1045
	1046	!
[1400]	1047	!-- Initialize the random number generators (from numerical recipes)
	1048	CALL random_function_ini
[1429]	1049
[1400]	1050	IF ( random_generator == 'random-parallel' ) THEN
[1429]	1051	!-- Asigning an ID to every vertical gridpoint column
	1052	!-- dependig on the ensemble run number.
	1053	random_dummy=1
[1400]	1054	DO j=0,ny
	1055	DO i=0,nx
[1788]	1056	id_random_array(j,i) = random_dummy + 1E6 &
	1057	* ( ensemble_member_nr - 1000 )
[1429]	1058	random_dummy = random_dummy + 1
[1400]	1059	END DO
	1060	ENDDO
[1429]	1061	!-- Initializing with random_seed_parallel for every vertical
	1062	!-- gridpoint column.
	1063	random_dummy=0
[1400]	1064	DO j = nysg, nyng
	1065	DO i = nxlg, nxrg
	1066	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	1067	CALL random_number_parallel (random_dummy)
	1068	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	1069	END DO
	1070	ENDDO
	1071	ENDIF
	1072
	1073	!
[19]	1074	!-- Initialize fluxes at bottom surface
[1]	1075	IF ( use_surface_fluxes ) THEN
	1076
	1077	IF ( constant_heatflux ) THEN
	1078	!
	1079	!-- Heat flux is prescribed
	1080	IF ( random_heatflux ) THEN
	1081	CALL disturb_heatflux
	1082	ELSE
	1083	shf = surface_heatflux
	1084	!
[1241]	1085	!-- Initialize shf with data from external file LSF_DATA
[1788]	1086	IF ( large_scale_forcing .AND. lsf_surf ) THEN
[1241]	1087	CALL ls_forcing_surf ( simulated_time )
	1088	ENDIF
	1089
	1090	!
[1]	1091	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1092	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1093	DO i = nxlg, nxrg
	1094	DO j = nysg, nyng
[1]	1095	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1096	shf(j,i) = wall_heatflux(0)
	1097	ENDIF
	1098	ENDDO
	1099	ENDDO
	1100	ENDIF
	1101	ENDIF
	1102	ENDIF
	1103
	1104	!
	1105	!-- Determine the near-surface water flux
[75]	1106	IF ( humidity .OR. passive_scalar ) THEN
[1822]	1107	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1108	qrsws = 0.0_wp
	1109	nrsws = 0.0_wp
[1053]	1110	ENDIF
[1]	1111	IF ( constant_waterflux ) THEN
	1112	qsws = surface_waterflux
[407]	1113	!
	1114	!-- Over topography surface_waterflux is replaced by
	1115	!-- wall_humidityflux(0)
	1116	IF ( TRIM( topography ) /= 'flat' ) THEN
	1117	wall_qflux = wall_humidityflux
[667]	1118	DO i = nxlg, nxrg
	1119	DO j = nysg, nyng
[407]	1120	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1121	qsws(j,i) = wall_qflux(0)
	1122	ENDIF
	1123	ENDDO
	1124	ENDDO
	1125	ENDIF
[1]	1126	ENDIF
	1127	ENDIF
	1128
	1129	ENDIF
	1130
	1131	!
[19]	1132	!-- Initialize fluxes at top surface
[94]	1133	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1134	!-- The latent flux is zero in this case!
[19]	1135	IF ( use_top_fluxes ) THEN
	1136
	1137	IF ( constant_top_heatflux ) THEN
	1138	!
	1139	!-- Heat flux is prescribed
	1140	tswst = top_heatflux
	1141
[1053]	1142	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1143	qswst = 0.0_wp
[1822]	1144	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1145	nrswst = 0.0_wp
	1146	qrswst = 0.0_wp
[1053]	1147	ENDIF
	1148	ENDIF
[94]	1149
	1150	IF ( ocean ) THEN
[95]	1151	saswsb = bottom_salinityflux
[94]	1152	saswst = top_salinityflux
	1153	ENDIF
[102]	1154	ENDIF
[19]	1155
[102]	1156	!
	1157	!-- Initialization in case of a coupled model run
	1158	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1159	tswst = 0.0_wp
[102]	1160	ENDIF
	1161
[19]	1162	ENDIF
	1163
	1164	!
[1]	1165	!-- Initialize Prandtl layer quantities
[1691]	1166	IF ( constant_flux_layer ) THEN
[1]	1167
	1168	z0 = roughness_length
[978]	1169	z0h = z0h_factor * z0
[1788]	1170	z0q = z0h_factor * z0
[1]	1171
	1172	IF ( .NOT. constant_heatflux ) THEN
	1173	!
	1174	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1175	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1176	!-- to be computed by iteration. This is why the heat flux is assumed
	1177	!-- to be zero before the first time step. It approaches its correct
	1178	!-- value in the course of the first few time steps.
[1340]	1179	shf = 0.0_wp
[1]	1180	ENDIF
	1181
[75]	1182	IF ( humidity .OR. passive_scalar ) THEN
[1788]	1183	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1822]	1184	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1185	qrsws = 0.0_wp
	1186	nrsws = 0.0_wp
[1053]	1187	ENDIF
[1]	1188	ENDIF
	1189
	1190	ENDIF
	1191
[1179]	1192	!
	1193	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1194	!-- the reference state will be set (overwritten) in init_ocean)
	1195	IF ( use_single_reference_value ) THEN
[1788]	1196	IF ( .NOT. humidity ) THEN
[1179]	1197	ref_state(:) = pt_reference
	1198	ELSE
	1199	ref_state(:) = vpt_reference
	1200	ENDIF
	1201	ELSE
[1788]	1202	IF ( .NOT. humidity ) THEN
[1179]	1203	ref_state(:) = pt_init(:)
	1204	ELSE
	1205	ref_state(:) = vpt(:,nys,nxl)
	1206	ENDIF
	1207	ENDIF
[152]	1208
	1209	!
[707]	1210	!-- For the moment, vertical velocity is zero
[1340]	1211	w = 0.0_wp
[1]	1212
	1213	!
	1214	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1215	sums = 0.0_wp
[1]	1216
	1217	!
[707]	1218	!-- In case of iterative solvers, p must get an initial value
[1575]	1219	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1220
	1221	!
[72]	1222	!-- Treating cloud physics, liquid water content and precipitation amount
	1223	!-- are zero at beginning of the simulation
	1224	IF ( cloud_physics ) THEN
[1340]	1225	ql = 0.0_wp
[1822]	1226	qc = 0.0_wp
	1227
	1228	precipitation_amount = 0.0_wp
[72]	1229	ENDIF
[673]	1230	!
[1]	1231	!-- Impose vortex with vertical axis on the initial velocity profile
	1232	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1233	CALL init_rankine
	1234	ENDIF
	1235
	1236	!
	1237	!-- Impose temperature anomaly (advection test only)
	1238	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1239	CALL init_pt_anomaly
	1240	ENDIF
	1241
	1242	!
	1243	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1244	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1245	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1246	ENDIF
	1247
	1248	!
	1249	!-- If required, change the surface humidity/scalar at the start of the 3D
	1250	!-- run
[1788]	1251	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1252	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1253	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1254	ENDIF
	1255
	1256	!
	1257	!-- Initialize old and new time levels.
[1340]	1258	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]	1259	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1260
[75]	1261	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1262	tq_m = 0.0_wp
[1]	1263	q_p = q
[1822]	1264	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1265	tqr_m = 0.0_wp
[1822]	1266	qr_p = qr
[1340]	1267	tnr_m = 0.0_wp
[1822]	1268	nr_p = nr
[1053]	1269	ENDIF
[1]	1270	ENDIF
	1271
[94]	1272	IF ( ocean ) THEN
[1340]	1273	tsa_m = 0.0_wp
[94]	1274	sa_p = sa
	1275	ENDIF
[667]	1276
[1402]	1277	CALL location_message( 'finished', .TRUE. )
[94]	1278
[1788]	1279	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
	1280	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1281	THEN
[1384]	1282
[1402]	1283	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1284	.FALSE. )
[1]	1285	!
[767]	1286	!-- When reading data for cyclic fill of 3D prerun data files, read
	1287	!-- some of the global variables from the restart file which are required
	1288	!-- for initializing the inflow
[328]	1289	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1290
[759]	1291	DO i = 0, io_blocks-1
	1292	IF ( i == io_group ) THEN
	1293	CALL read_parts_of_var_list
	1294	CALL close_file( 13 )
	1295	ENDIF
	1296	#if defined( __parallel )
	1297	CALL MPI_BARRIER( comm2d, ierr )
	1298	#endif
	1299	ENDDO
[328]	1300
[767]	1301	ENDIF
	1302
[151]	1303	!
[767]	1304	!-- Read binary data from restart file
	1305	DO i = 0, io_blocks-1
	1306	IF ( i == io_group ) THEN
	1307	CALL read_3d_binary
	1308	ENDIF
	1309	#if defined( __parallel )
	1310	CALL MPI_BARRIER( comm2d, ierr )
	1311	#endif
	1312	ENDDO
	1313
[328]	1314	!
[767]	1315	!-- Initialization of the turbulence recycling method
[1788]	1316	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1317	turbulent_inflow ) THEN
	1318	!
	1319	!-- First store the profiles to be used at the inflow.
	1320	!-- These profiles are the (temporally) and horizontally averaged vertical
	1321	!-- profiles from the prerun. Alternatively, prescribed profiles
	1322	!-- for u,v-components can be used.
[1615]	1323	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,6) )
[151]	1324
[767]	1325	IF ( use_prescribed_profile_data ) THEN
	1326	mean_inflow_profiles(:,1) = u_init ! u
	1327	mean_inflow_profiles(:,2) = v_init ! v
	1328	ELSE
[328]	1329	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1330	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1331	ENDIF
	1332	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1333	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1615]	1334	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
[151]	1335
	1336	!
[767]	1337	!-- If necessary, adjust the horizontal flow field to the prescribed
	1338	!-- profiles
	1339	IF ( use_prescribed_profile_data ) THEN
	1340	DO i = nxlg, nxrg
[667]	1341	DO j = nysg, nyng
[328]	1342	DO k = nzb, nzt+1
[767]	1343	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1344	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1345	ENDDO
[151]	1346	ENDDO
[767]	1347	ENDDO
	1348	ENDIF
[151]	1349
	1350	!
[767]	1351	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1352	!-- conditions are used)
	1353	IF ( inflow_l ) THEN
	1354	DO j = nysg, nyng
	1355	DO k = nzb, nzt+1
	1356	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1357	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1358	w(k,j,nxlg:-1) = 0.0_wp
[767]	1359	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1360	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1615]	1361	IF ( humidity .OR. passive_scalar ) &
	1362	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[767]	1363	ENDDO
	1364	ENDDO
	1365	ENDIF
	1366
[151]	1367	!
[767]	1368	!-- Calculate the damping factors to be used at the inflow. For a
	1369	!-- turbulent inflow the turbulent fluctuations have to be limited
	1370	!-- vertically because otherwise the turbulent inflow layer will grow
	1371	!-- in time.
[1340]	1372	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1373	!
	1374	!-- Default: use the inversion height calculated by the prerun; if
	1375	!-- this is zero, inflow_damping_height must be explicitly
	1376	!-- specified.
[1340]	1377	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1378	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1379	ELSE
[1788]	1380	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1381	'explicitly specified because&the inversion height ', &
[767]	1382	'calculated by the prerun is zero.'
	1383	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1384	ENDIF
[151]	1385
[767]	1386	ENDIF
	1387
[1340]	1388	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1389	!
[767]	1390	!-- Default for the transition range: one tenth of the undamped
	1391	!-- layer
[1340]	1392	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1393
[767]	1394	ENDIF
[151]	1395
[767]	1396	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1397
[767]	1398	DO k = nzb, nzt+1
[151]	1399
[767]	1400	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1401	inflow_damping_factor(k) = 1.0_wp
[996]	1402	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1403	inflow_damping_factor(k) = 1.0_wp - &
[996]	1404	( zu(k) - inflow_damping_height ) / &
	1405	inflow_damping_width
[767]	1406	ELSE
[1340]	1407	inflow_damping_factor(k) = 0.0_wp
[767]	1408	ENDIF
[151]	1409
[767]	1410	ENDDO
[151]	1411
[147]	1412	ENDIF
	1413
[152]	1414	!
[359]	1415	!-- Inside buildings set velocities and TKE back to zero
[1788]	1416	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1417	topography /= 'flat' ) THEN
	1418	!
	1419	!-- Inside buildings set velocities and TKE back to zero.
	1420	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1421	!-- maybe revise later.
[1001]	1422	DO i = nxlg, nxrg
	1423	DO j = nysg, nyng
[1340]	1424	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1425	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1426	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1427	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1428	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1429	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1430	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1431	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1432	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1433	ENDDO
[1001]	1434	ENDDO
[359]	1435
	1436	ENDIF
	1437
	1438	!
[1]	1439	!-- Calculate initial temperature field and other constants used in case
	1440	!-- of a sloping surface
	1441	IF ( sloping_surface ) CALL init_slope
	1442
	1443	!
	1444	!-- Initialize new time levels (only done in order to set boundary values
	1445	!-- including ghost points)
	1446	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1447	IF ( humidity .OR. passive_scalar ) THEN
	1448	q_p = q
[1822]	1449	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1450	qr_p = qr
	1451	nr_p = nr
	1452	ENDIF
	1453	ENDIF
[94]	1454	IF ( ocean ) sa_p = sa
[1]	1455
[181]	1456	!
	1457	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1458	!-- have to be predefined here because they are used (but multiplied with 0)
	1459	!-- there before they are set.
[1340]	1460	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]	1461	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1462	tq_m = 0.0_wp
[1822]	1463	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1464	tqr_m = 0.0_wp
	1465	tnr_m = 0.0_wp
[1053]	1466	ENDIF
	1467	ENDIF
[1340]	1468	IF ( ocean ) tsa_m = 0.0_wp
[181]	1469
[1402]	1470	CALL location_message( 'finished', .TRUE. )
[1384]	1471
[1]	1472	ELSE
	1473	!
	1474	!-- Actually this part of the programm should not be reached
[254]	1475	message_string = 'unknown initializing problem'
	1476	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1477	ENDIF
	1478
[151]	1479
	1480	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1481	!
[151]	1482	!-- Initialize old timelevels needed for radiation boundary conditions
	1483	IF ( outflow_l ) THEN
	1484	u_m_l(:,:,:) = u(:,:,1:2)
	1485	v_m_l(:,:,:) = v(:,:,0:1)
	1486	w_m_l(:,:,:) = w(:,:,0:1)
	1487	ENDIF
	1488	IF ( outflow_r ) THEN
	1489	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1490	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1491	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1492	ENDIF
	1493	IF ( outflow_s ) THEN
	1494	u_m_s(:,:,:) = u(:,0:1,:)
	1495	v_m_s(:,:,:) = v(:,1:2,:)
	1496	w_m_s(:,:,:) = w(:,0:1,:)
	1497	ENDIF
	1498	IF ( outflow_n ) THEN
	1499	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1500	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1501	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1502	ENDIF
[667]	1503
[151]	1504	ENDIF
[680]	1505
[667]	1506	!
	1507	!-- Calculate the initial volume flow at the right and north boundary
[709]	1508	IF ( conserve_volume_flow ) THEN
[151]	1509
[767]	1510	IF ( use_prescribed_profile_data ) THEN
[667]	1511
[1340]	1512	volume_flow_initial_l = 0.0_wp
	1513	volume_flow_area_l = 0.0_wp
[732]	1514
[667]	1515	IF ( nxr == nx ) THEN
	1516	DO j = nys, nyn
[1845]	1517	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1518	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1519	u_init(k) * dzw(k)
	1520	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1521	ENDDO
	1522	ENDDO
	1523	ENDIF
	1524
	1525	IF ( nyn == ny ) THEN
	1526	DO i = nxl, nxr
[1845]	1527	DO k = nzb_v_inner(ny,i)+1, nzt
[767]	1528	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1529	v_init(k) * dzw(k)
	1530	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1531	ENDDO
	1532	ENDDO
	1533	ENDIF
	1534
	1535	#if defined( __parallel )
	1536	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1537	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1538	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1539	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1540
	1541	#else
	1542	volume_flow_initial = volume_flow_initial_l
	1543	volume_flow_area = volume_flow_area_l
	1544	#endif
	1545
	1546	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1547
[1340]	1548	volume_flow_initial_l = 0.0_wp
	1549	volume_flow_area_l = 0.0_wp
[767]	1550
	1551	IF ( nxr == nx ) THEN
	1552	DO j = nys, nyn
[1845]	1553	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1554	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1555	hom_sum(k,1,0) * dzw(k)
	1556	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1557	ENDDO
	1558	ENDDO
	1559	ENDIF
	1560
	1561	IF ( nyn == ny ) THEN
	1562	DO i = nxl, nxr
[1845]	1563	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1564	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1565	hom_sum(k,2,0) * dzw(k)
[667]	1566	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1567	ENDDO
	1568	ENDDO
	1569	ENDIF
	1570
[732]	1571	#if defined( __parallel )
	1572	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1573	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1574	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1575	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1576
	1577	#else
	1578	volume_flow_initial = volume_flow_initial_l
	1579	volume_flow_area = volume_flow_area_l
	1580	#endif
	1581
[667]	1582	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1583
[1340]	1584	volume_flow_initial_l = 0.0_wp
	1585	volume_flow_area_l = 0.0_wp
[732]	1586
[667]	1587	IF ( nxr == nx ) THEN
	1588	DO j = nys, nyn
[1845]	1589	DO k = nzb_u_inner(j,nx)+1, nzt
[667]	1590	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1591	u(k,j,nx) * dzw(k)
[667]	1592	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1593	ENDDO
	1594	ENDDO
	1595	ENDIF
	1596
	1597	IF ( nyn == ny ) THEN
	1598	DO i = nxl, nxr
[1845]	1599	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1600	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[667]	1601	v(k,ny,i) * dzw(k)
	1602	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1603	ENDDO
	1604	ENDDO
	1605	ENDIF
	1606
	1607	#if defined( __parallel )
[732]	1608	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1609	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1610	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1611	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1612
	1613	#else
[732]	1614	volume_flow_initial = volume_flow_initial_l
	1615	volume_flow_area = volume_flow_area_l
[667]	1616	#endif
	1617
[732]	1618	ENDIF
	1619
[151]	1620	!
[709]	1621	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1622	!-- from u\|v_bulk instead
[680]	1623	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1624	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1625	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1626	ENDIF
[667]	1627
[680]	1628	ENDIF
	1629
[787]	1630	!
	1631	!-- Initialize quantities for special advections schemes
	1632	CALL init_advec
[680]	1633
[667]	1634	!
[680]	1635	!-- Impose random perturbation on the horizontal velocity field and then
	1636	!-- remove the divergences from the velocity field at the initial stage
[1788]	1637	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1638	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1639	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1640
[1402]	1641	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1642	CALL disturb_field( nzb_u_inner, tend, u )
	1643	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1644	CALL location_message( 'finished', .TRUE. )
[1384]	1645
[1402]	1646	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1647	n_sor = nsor_ini
[1221]	1648	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1649	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1650	!$acc copyin( weight_pres, weight_substep ) &
	1651	!$acc copy( tri, tric, u, v, w )
[680]	1652	CALL pres
[1111]	1653	!$acc end data
[680]	1654	n_sor = nsor
[1402]	1655	CALL location_message( 'finished', .TRUE. )
[1384]	1656
[680]	1657	ENDIF
	1658
	1659	!
[1484]	1660	!-- If required, initialize quantities needed for the plant canopy model
[1826]	1661	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1662	IF ( plant_canopy ) CALL pcm_init
	1663	CALL location_message( 'finished', .TRUE. )
[138]	1664
	1665	!
[1]	1666	!-- If required, initialize dvrp-software
[1340]	1667	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1668
[96]	1669	IF ( ocean ) THEN
[1]	1670	!
[96]	1671	!-- Initialize quantities needed for the ocean model
	1672	CALL init_ocean
[388]	1673
[96]	1674	ELSE
	1675	!
	1676	!-- Initialize quantities for handling cloud physics
[849]	1677	!-- This routine must be called before lpm_init, because
[96]	1678	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1679	!-- lpm_init) is not defined.
[96]	1680	CALL init_cloud_physics
[1849]	1681	!
	1682	!-- Initialize bulk cloud microphysics
	1683	CALL microphysics_init
[96]	1684	ENDIF
[1]	1685
	1686	!
	1687	!-- If required, initialize particles
[849]	1688	IF ( particle_advection ) CALL lpm_init
[1]	1689
[1585]	1690	!
	1691	!-- If required, initialize quantities needed for the LSM
	1692	IF ( land_surface ) THEN
	1693	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1694	CALL lsm_init
[1585]	1695	CALL location_message( 'finished', .TRUE. )
	1696	ENDIF
[1496]	1697
[1]	1698	!
[1691]	1699	!-- Initialize surface layer (done after LSM as roughness length are required
	1700	!-- for initialization
	1701	IF ( constant_flux_layer ) THEN
	1702	CALL location_message( 'initializing surface layer', .FALSE. )
	1703	CALL init_surface_layer_fluxes
	1704	CALL location_message( 'finished', .TRUE. )
	1705	ENDIF
	1706
	1707	!
[1496]	1708	!-- If required, initialize radiation model
	1709	IF ( radiation ) THEN
[1585]	1710	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1711	CALL radiation_init
[1585]	1712	CALL location_message( 'finished', .TRUE. )
[1496]	1713	ENDIF
[1914]	1714
	1715	!
	1716	!-- If required, initialize quantities needed for the wind turbine model
	1717	IF ( wind_turbine ) THEN
	1718	CALL location_message( 'initializing wind turbine model', .FALSE. )
	1719	CALL wtm_init
	1720	CALL location_message( 'finished', .TRUE. )
	1721	ENDIF
[1496]	1722
[1914]	1723
[1496]	1724	!
[673]	1725	!-- Initialize the ws-scheme.
	1726	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1727
	1728	!
[709]	1729	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	1730	!-- and turbulent quantities from the RK substeps
[709]	1731	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1732
[1322]	1733	weight_substep(1) = 1._wp/6._wp
	1734	weight_substep(2) = 3._wp/10._wp
	1735	weight_substep(3) = 8._wp/15._wp
[709]	1736
[1322]	1737	weight_pres(1) = 1._wp/3._wp
	1738	weight_pres(2) = 5._wp/12._wp
	1739	weight_pres(3) = 1._wp/4._wp
[709]	1740
	1741	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1742
[1322]	1743	weight_substep(1) = 1._wp/2._wp
	1744	weight_substep(2) = 1._wp/2._wp
[673]	1745
[1322]	1746	weight_pres(1) = 1._wp/2._wp
	1747	weight_pres(2) = 1._wp/2._wp
[709]	1748
[1001]	1749	ELSE ! for Euler-method
[709]	1750
[1340]	1751	weight_substep(1) = 1.0_wp
	1752	weight_pres(1) = 1.0_wp
[709]	1753
[673]	1754	ENDIF
	1755
	1756	!
[1]	1757	!-- Initialize Rayleigh damping factors
[1340]	1758	rdf = 0.0_wp
	1759	rdf_sc = 0.0_wp
	1760	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	1761	IF ( .NOT. ocean ) THEN
[108]	1762	DO k = nzb+1, nzt
	1763	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	1764	rdf(k) = rayleigh_damping_factor * &
[1340]	1765	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	1766	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	1767	)**2
[108]	1768	ENDIF
	1769	ENDDO
	1770	ELSE
	1771	DO k = nzt, nzb+1, -1
	1772	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	1773	rdf(k) = rayleigh_damping_factor * &
[1340]	1774	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	1775	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	1776	)**2
	1777	ENDIF
	1778	ENDDO
	1779	ENDIF
[1]	1780	ENDIF
[785]	1781	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1782
	1783	!
[240]	1784	!-- Initialize the starting level and the vertical smoothing factor used for
	1785	!-- the external pressure gradient
[1340]	1786	dp_smooth_factor = 1.0_wp
[240]	1787	IF ( dp_external ) THEN
	1788	!
	1789	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1790	!-- (e.g. in init_grid).
	1791	IF ( dp_level_ind_b == 0 ) THEN
	1792	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1793	dp_level_ind_b = ind_array(1) - 1 + nzb
	1794	! MINLOC uses lower array bound 1
	1795	ENDIF
	1796	IF ( dp_smooth ) THEN
[1340]	1797	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1798	DO k = dp_level_ind_b+1, nzt
[1340]	1799	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1800	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1801	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1802	ENDDO
	1803	ENDIF
	1804	ENDIF
	1805
	1806	!
[978]	1807	!-- Initialize damping zone for the potential temperature in case of
	1808	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1809	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1810	ptdf_x = 0.0_wp
	1811	ptdf_y = 0.0_wp
[1159]	1812	IF ( bc_lr_dirrad ) THEN
[996]	1813	DO i = nxl, nxr
[978]	1814	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1815	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1816	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	1817	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1818	ENDIF
	1819	ENDDO
[1159]	1820	ELSEIF ( bc_lr_raddir ) THEN
[996]	1821	DO i = nxl, nxr
[978]	1822	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1823	ptdf_x(i) = pt_damping_factor * &
[1340]	1824	SIN( pi * 0.5_wp * &
	1825	( ( i - nx ) * dx + pt_damping_width ) / &
	1826	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1827	ENDIF
[978]	1828	ENDDO
[1159]	1829	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1830	DO j = nys, nyn
[978]	1831	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1832	ptdf_y(j) = pt_damping_factor * &
[1340]	1833	SIN( pi * 0.5_wp * &
	1834	( ( j - ny ) * dy + pt_damping_width ) / &
	1835	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1836	ENDIF
[978]	1837	ENDDO
[1159]	1838	ELSEIF ( bc_ns_raddir ) THEN
[996]	1839	DO j = nys, nyn
[978]	1840	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1841	ptdf_y(j) = pt_damping_factor * &
[1340]	1842	SIN( pi * 0.5_wp * &
	1843	( pt_damping_width - j * dy ) / &
	1844	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1845	ENDIF
[73]	1846	ENDDO
[1]	1847	ENDIF
	1848
	1849	!
	1850	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1851	!-- Ghost points are excluded because counting values at the ghost boundaries
	1852	!-- would bias the statistics
[1340]	1853	rmask = 1.0_wp
	1854	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1855	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1856
	1857	!
[51]	1858	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1859	!-- of allowed timeseries is exceeded
[1]	1860	CALL user_init
	1861
[51]	1862	IF ( dots_num > dots_max ) THEN
[1788]	1863	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	1864	' its maximum of dots_max = ', dots_max, &
[254]	1865	' &Please increase dots_max in modules.f90.'
	1866	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1867	ENDIF
	1868
[1]	1869	!
	1870	!-- Input binary data file is not needed anymore. This line must be placed
	1871	!-- after call of user_init!
	1872	CALL close_file( 13 )
	1873
	1874	!
	1875	!-- Compute total sum of active mask grid points
[1738]	1876	!-- and the mean surface level height for each statistic region
[1]	1877	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1878	!-- total domain
	1879	!-- ngp_3d: number of grid points of the total domain
[132]	1880	ngp_2dh_outer_l = 0
	1881	ngp_2dh_outer = 0
	1882	ngp_2dh_s_inner_l = 0
	1883	ngp_2dh_s_inner = 0
	1884	ngp_2dh_l = 0
	1885	ngp_2dh = 0
[1340]	1886	ngp_3d_inner_l = 0.0_wp
[132]	1887	ngp_3d_inner = 0
	1888	ngp_3d = 0
	1889	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1890
[1738]	1891	mean_surface_level_height = 0.0_wp
	1892	mean_surface_level_height_l = 0.0_wp
	1893
[1]	1894	DO sr = 0, statistic_regions
	1895	DO i = nxl, nxr
	1896	DO j = nys, nyn
[1340]	1897	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1898	!
	1899	!-- All xy-grid points
	1900	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
[1788]	1901	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
	1902	+ zw(nzb_s_inner(j,i))
[1]	1903	!
	1904	!-- xy-grid points above topography
	1905	DO k = nzb_s_outer(j,i), nz + 1
	1906	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1907	ENDDO
[132]	1908	DO k = nzb_s_inner(j,i), nz + 1
	1909	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1910	ENDDO
[1]	1911	!
	1912	!-- All grid points of the total domain above topography
[1788]	1913	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
	1914	+ ( nz - nzb_s_inner(j,i) + 2 )
[1]	1915	ENDIF
	1916	ENDDO
	1917	ENDDO
	1918	ENDDO
	1919
	1920	sr = statistic_regions + 1
	1921	#if defined( __parallel )
[622]	1922	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1923	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1924	comm2d, ierr )
[622]	1925	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1926	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1927	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1928	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1929	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1930	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1931	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1932	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1933	MPI_SUM, comm2d, ierr )
[485]	1934	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	1935	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	1936	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	1937	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	1938	MPI_SUM, comm2d, ierr )
	1939	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	1940	#else
[132]	1941	ngp_2dh = ngp_2dh_l
	1942	ngp_2dh_outer = ngp_2dh_outer_l
	1943	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1944	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	1945	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	1946	#endif
	1947
[560]	1948	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1949	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1950
	1951	!
	1952	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1953	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1954	!-- the respective subdomain lie below the surface topography
[667]	1955	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	1956	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	1957	ngp_3d_inner(:) )
[667]	1958	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1959
[1788]	1960	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	1961	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1962
[1402]	1963	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	1964
	1965	END SUBROUTINE init_3d_model

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