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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2001

Last change on this file since 2001 was 2001, checked in by knoop, 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
[2000]	2	!------------------------------------------------------------------------------!
[1036]	3	! This file is part of PALM.
	4	!
[2000]	5	! PALM is free software: you can redistribute it and/or modify it under the
	6	! terms of the GNU General Public License as published by the Free Software
	7	! Foundation, either version 3 of the License, or (at your option) any later
	8	! version.
[1036]	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[1818]	17	! Copyright 1997-2016 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[1961]	22	!
[2001]	23	!
[1961]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 2001 2016-08-20 18:41:22Z knoop $
	27	!
[2001]	28	! 2000 2016-08-20 18:09:15Z knoop
	29	! Forced header and separation lines into 80 columns
	30	!
[1993]	31	! 1992 2016-08-12 15:14:59Z suehring
	32	! Initializaton of scalarflux at model top
	33	! Bugfixes in initialization of surface and top salinity flux, top scalar and
	34	! humidity fluxes
	35	!
[1961]	36	! 1960 2016-07-12 16:34:24Z suehring
[1960]	37	! Separate humidity and passive scalar
	38	! Increase dimension for mean_inflow_profiles
	39	! Remove inadvertent write-statement
	40	! Bugfix, large-scale forcing is still not implemented for passive scalars
[1919]	41	!
[1958]	42	! 1957 2016-07-07 10:43:48Z suehring
	43	! flight module added
	44	!
[1921]	45	! 1920 2016-05-30 10:50:15Z suehring
	46	! Initialize us with very small number to avoid segmentation fault during
	47	! calculation of Obukhov length
	48	!
[1919]	49	! 1918 2016-05-27 14:35:57Z raasch
	50	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	51	! bugfix: initialization of local sum arrays are moved to the beginning of the
	52	! routine because otherwise results from pres are overwritten
	53	!
[1917]	54	! 1914 2016-05-26 14:44:07Z witha
	55	! Added initialization of the wind turbine model
	56	!
[1879]	57	! 1878 2016-04-19 12:30:36Z hellstea
	58	! The zeroth element of weight_pres removed as unnecessary
	59	!
[1851]	60	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	61	! Adapted for modularization of microphysics.
	62	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	63	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	64	! microphysics_init.
	65	!
[1846]	66	! 1845 2016-04-08 08:29:13Z raasch
	67	! nzb_2d replaced by nzb_u\|v_inner
[1914]	68	!
[1834]	69	! 1833 2016-04-07 14:23:03Z raasch
	70	! initialization of spectra quantities moved to spectra_mod
	71	!
[1832]	72	! 1831 2016-04-07 13:15:51Z hoffmann
	73	! turbulence renamed collision_turbulence
	74	!
[1827]	75	! 1826 2016-04-07 12:01:39Z maronga
	76	! Renamed radiation calls.
	77	! Renamed canopy model calls.
	78	!
[1823]	79	! 1822 2016-04-07 07:49:42Z hoffmann
	80	! icloud_scheme replaced by microphysics_*
[1914]	81	!
[1818]	82	! 1817 2016-04-06 15:44:20Z maronga
	83	! Renamed lsm calls.
	84	!
[1816]	85	! 1815 2016-04-06 13:49:59Z raasch
	86	! zero-settings for velocities inside topography re-activated (was deactivated
	87	! in r1762)
	88	!
[1789]	89	! 1788 2016-03-10 11:01:04Z maronga
	90	! Added z0q.
	91	! Syntax layout improved.
	92	!
[1784]	93	! 1783 2016-03-06 18:36:17Z raasch
	94	! netcdf module name changed + related changes
	95	!
[1765]	96	! 1764 2016-02-28 12:45:19Z raasch
	97	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	98	!
[1763]	99	! 1762 2016-02-25 12:31:13Z hellstea
	100	! Introduction of nested domain feature
	101	!
[1739]	102	! 1738 2015-12-18 13:56:05Z raasch
	103	! calculate mean surface level height for each statistic region
	104	!
[1735]	105	! 1734 2015-12-02 12:17:12Z raasch
	106	! no initial disturbances in case that the disturbance energy limit has been
	107	! set zero
	108	!
[1708]	109	! 1707 2015-11-02 15:24:52Z maronga
	110	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	111	! devision by zero in neutral stratification
	112	!
[1692]	113	! 1691 2015-10-26 16:17:44Z maronga
	114	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	115	!
[1683]	116	! 1682 2015-10-07 23:56:08Z knoop
	117	! Code annotations made doxygen readable
	118	!
[1616]	119	! 1615 2015-07-08 18:49:19Z suehring
	120	! Enable turbulent inflow for passive_scalar and humidity
	121	!
[1586]	122	! 1585 2015-04-30 07:05:52Z maronga
	123	! Initialization of radiation code is now done after LSM initializtion
	124	!
[1576]	125	! 1575 2015-03-27 09:56:27Z raasch
	126	! adjustments for psolver-queries
	127	!
[1552]	128	! 1551 2015-03-03 14:18:16Z maronga
[1817]	129	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	130	! which is part of land_surface_model.
	131	!
[1508]	132	! 1507 2014-12-10 12:14:18Z suehring
	133	! Bugfix: set horizontal velocity components to zero inside topography
	134	!
[1497]	135	! 1496 2014-12-02 17:25:50Z maronga
	136	! Added initialization of the land surface and radiation schemes
	137	!
[1485]	138	! 1484 2014-10-21 10:53:05Z kanani
[1484]	139	! Changes due to new module structure of the plant canopy model:
[1508]	140	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	141	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	142	! call of subroutine init_plant_canopy added.
[1341]	143	!
[1432]	144	! 1431 2014-07-15 14:47:17Z suehring
	145	! var_d added, in order to normalize spectra.
	146	!
[1430]	147	! 1429 2014-07-15 12:53:45Z knoop
	148	! Ensemble run capability added to parallel random number generator
	149	!
[1412]	150	! 1411 2014-05-16 18:01:51Z suehring
	151	! Initial horizontal velocity profiles were not set to zero at the first vertical
	152	! grid level in case of non-cyclic lateral boundary conditions.
	153	!
[1407]	154	! 1406 2014-05-16 13:47:01Z raasch
	155	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	156	! no-slip boundary condition for uv
	157	!
[1403]	158	! 1402 2014-05-09 14:25:13Z raasch
	159	! location messages modified
	160	!
[1401]	161	! 1400 2014-05-09 14:03:54Z knoop
	162	! Parallel random number generator added
	163	!
[1385]	164	! 1384 2014-05-02 14:31:06Z raasch
	165	! location messages added
	166	!
[1362]	167	! 1361 2014-04-16 15:17:48Z hoffmann
	168	! tend_* removed
	169	! Bugfix: w_subs is not allocated anymore if it is already allocated
	170	!
[1360]	171	! 1359 2014-04-11 17:15:14Z hoffmann
	172	! module lpm_init_mod added to use statements, because lpm_init has become a
	173	! module
	174	!
[1354]	175	! 1353 2014-04-08 15:21:23Z heinze
	176	! REAL constants provided with KIND-attribute
	177	!
[1341]	178	! 1340 2014-03-25 19:45:13Z kanani
	179	! REAL constants defined as wp-kind
	180	!
[1323]	181	! 1322 2014-03-20 16:38:49Z raasch
	182	! REAL constants defined as wp-kind
	183	! module interfaces removed
	184	!
[1321]	185	! 1320 2014-03-20 08:40:49Z raasch
	186	! ONLY-attribute added to USE-statements,
	187	! kind-parameters added to all INTEGER and REAL declaration statements,
	188	! kinds are defined in new module kinds,
	189	! revision history before 2012 removed,
	190	! comment fields (!:) to be used for variable explanations added to
	191	! all variable declaration statements
	192	!
[1317]	193	! 1316 2014-03-17 07:44:59Z heinze
	194	! Bugfix: allocation of w_subs
	195	!
[1300]	196	! 1299 2014-03-06 13:15:21Z heinze
	197	! Allocate w_subs due to extension of large scale subsidence in combination
	198	! with large scale forcing data (LSF_DATA)
	199	!
[1242]	200	! 1241 2013-10-30 11:36:58Z heinze
	201	! Overwrite initial profiles in case of nudging
	202	! Inititialize shf and qsws in case of large_scale_forcing
	203	!
[1222]	204	! 1221 2013-09-10 08:59:13Z raasch
	205	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	206	! copy
	207	!
[1213]	208	! 1212 2013-08-15 08:46:27Z raasch
	209	! array tri is allocated and included in data copy statement
	210	!
[1196]	211	! 1195 2013-07-01 12:27:57Z heinze
	212	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	213	!
[1182]	214	! 1179 2013-06-14 05:57:58Z raasch
	215	! allocate and set ref_state to be used in buoyancy terms
	216	!
[1172]	217	! 1171 2013-05-30 11:27:45Z raasch
	218	! diss array is allocated with full size if accelerator boards are used
	219	!
[1160]	220	! 1159 2013-05-21 11:58:22Z fricke
	221	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	222	!
[1154]	223	! 1153 2013-05-10 14:33:08Z raasch
	224	! diss array is allocated with dummy elements even if it is not needed
[1171]	225	! (required by PGI 13.4 / CUDA 5.0)
[1154]	226	!
[1116]	227	! 1115 2013-03-26 18:16:16Z hoffmann
	228	! unused variables removed
	229	!
[1114]	230	! 1113 2013-03-10 02:48:14Z raasch
	231	! openACC directive modified
	232	!
[1112]	233	! 1111 2013-03-08 23:54:10Z raasch
	234	! openACC directives added for pres
	235	! array diss allocated only if required
	236	!
[1093]	237	! 1092 2013-02-02 11:24:22Z raasch
	238	! unused variables removed
	239	!
[1066]	240	! 1065 2012-11-22 17:42:36Z hoffmann
	241	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	242	!
[1054]	243	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	244	! allocation and initialisation of necessary data arrays for the two-moment
	245	! cloud physics scheme the two new prognostic equations (nr, qr):
	246	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	247	! +tend_*, prr
[979]	248	!
[1037]	249	! 1036 2012-10-22 13:43:42Z raasch
	250	! code put under GPL (PALM 3.9)
	251	!
[1033]	252	! 1032 2012-10-21 13:03:21Z letzel
	253	! save memory by not allocating pt_2 in case of neutral = .T.
	254	!
[1026]	255	! 1025 2012-10-07 16:04:41Z letzel
	256	! bugfix: swap indices of mask for ghost boundaries
	257	!
[1017]	258	! 1015 2012-09-27 09:23:24Z raasch
	259	! mask is set to zero for ghost boundaries
	260	!
[1011]	261	! 1010 2012-09-20 07:59:54Z raasch
	262	! cpp switch __nopointer added for pointer free version
	263	!
[1004]	264	! 1003 2012-09-14 14:35:53Z raasch
	265	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	266	!
[1002]	267	! 1001 2012-09-13 14:08:46Z raasch
	268	! all actions concerning leapfrog scheme removed
	269	!
[997]	270	! 996 2012-09-07 10:41:47Z raasch
	271	! little reformatting
	272	!
[979]	273	! 978 2012-08-09 08:28:32Z fricke
[978]	274	! outflow damping layer removed
	275	! roughness length for scalar quantites z0h added
	276	! damping zone for the potential temperatur in case of non-cyclic lateral
	277	! boundaries added
	278	! initialization of ptdf_x, ptdf_y
	279	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	280	!
[850]	281	! 849 2012-03-15 10:35:09Z raasch
	282	! init_particles renamed lpm_init
	283	!
[826]	284	! 825 2012-02-19 03:03:44Z raasch
	285	! wang_collision_kernel renamed wang_kernel
	286	!
[1]	287	! Revision 1.1 1998/03/09 16:22:22 raasch
	288	! Initial revision
	289	!
	290	!
	291	! Description:
	292	! ------------
[1682]	293	!> Allocation of arrays and initialization of the 3D model via
	294	!> a) pre-run the 1D model
	295	!> or
	296	!> b) pre-set constant linear profiles
	297	!> or
	298	!> c) read values of a previous run
[1]	299	!------------------------------------------------------------------------------!
[1682]	300	SUBROUTINE init_3d_model
	301
[1]	302
[667]	303	USE advec_ws
[1320]	304
[1]	305	USE arrays_3d
[1849]	306
[1320]	307	USE constants, &
	308	ONLY: pi
	309
[1]	310	USE control_parameters
[1320]	311
[1957]	312	USE flight_mod, &
	313	ONLY: flight_init
	314
[1320]	315	USE grid_variables, &
	316	ONLY: dx, dy
	317
[1]	318	USE indices
[1359]	319
[1429]	320	USE lpm_init_mod, &
[1359]	321	ONLY: lpm_init
[1320]	322
	323	USE kinds
[1496]	324
	325	USE land_surface_model_mod, &
[1817]	326	ONLY: lsm_init, lsm_init_arrays, land_surface
[1496]	327
[1241]	328	USE ls_forcing_mod
[1849]	329
	330	USE microphysics_mod, &
	331	ONLY: collision_turbulence, microphysics_init
	332
[1320]	333	USE model_1d, &
	334	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	335
[1783]	336	USE netcdf_interface, &
	337	ONLY: dots_max, dots_num
[1320]	338
	339	USE particle_attributes, &
	340	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	341
[1]	342	USE pegrid
[1320]	343
[1484]	344	USE plant_canopy_model_mod, &
[1826]	345	ONLY: pcm_init, plant_canopy
[1496]	346
	347	USE radiation_model_mod, &
[1826]	348	ONLY: radiation_init, radiation
[1484]	349
[1320]	350	USE random_function_mod
	351
[1400]	352	USE random_generator_parallel, &
	353	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	354	id_random_array, seq_random_array
	355
[1320]	356	USE statistics, &
[1738]	357	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	358	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	359	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	360	weight_pres, weight_substep
[1691]	361
	362	USE surface_layer_fluxes_mod, &
	363	ONLY: init_surface_layer_fluxes
	364
[1320]	365	USE transpose_indices
[1]	366
[1914]	367	USE wind_turbine_model_mod, &
	368	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	369
[1]	370	IMPLICIT NONE
	371
[1682]	372	INTEGER(iwp) :: i !<
	373	INTEGER(iwp) :: ind_array(1) !<
	374	INTEGER(iwp) :: j !<
	375	INTEGER(iwp) :: k !<
	376	INTEGER(iwp) :: sr !<
[1]	377
[1682]	378	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	379
[1682]	380	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	381	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	382
[1764]	383	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	384	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	385
[1738]	386	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	387	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	388	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	389
[485]	390
[1402]	391	CALL location_message( 'allocating arrays', .FALSE. )
[1]	392	!
	393	!-- Allocate arrays
[1788]	394	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	395	mean_surface_level_height_l(0:statistic_regions), &
	396	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	397	ngp_3d(0:statistic_regions), &
	398	ngp_3d_inner(0:statistic_regions), &
	399	ngp_3d_inner_l(0:statistic_regions), &
	400	ngp_3d_inner_tmp(0:statistic_regions), &
	401	sums_divnew_l(0:statistic_regions), &
[1]	402	sums_divold_l(0:statistic_regions) )
[1195]	403	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	404	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	405	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	406	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	407	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	408	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	409	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	410	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	411	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	412	sums_up_fraction_l(10,3,0:statistic_regions), &
	413	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	414	ts_value(dots_max,0:statistic_regions) )
[978]	415	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	416
[1788]	417	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	418	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	419	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	420	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	421	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
	422	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
[1]	423
[1788]	424	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	425	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	426	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	427	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	428	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	429
	430	#if defined( __nopointer )
[1788]	431	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	432	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	433	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	434	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	435	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	436	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	437	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	438	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	439	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	440	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	441	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	442	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	443	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	444	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	445	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	446	#else
[1788]	447	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	448	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	449	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	450	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	451	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	452	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	453	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	454	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	455	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	456	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	457	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	458	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	459	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	460	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	461	IF ( .NOT. neutral ) THEN
[1032]	462	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	463	ENDIF
[1010]	464	#endif
	465
[673]	466	!
[707]	467	!-- Following array is required for perturbation pressure within the iterative
	468	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	469	!-- the weighted average of the substeps and cannot be used in the Poisson
	470	!-- solver.
	471	IF ( psolver == 'sor' ) THEN
	472	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	473	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	474	!
	475	!-- For performance reasons, multigrid is using one ghost layer only
	476	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	477	ENDIF
[1]	478
[1111]	479	!
	480	!-- Array for storing constant coeffficients of the tridiagonal solver
	481	IF ( psolver == 'poisfft' ) THEN
[1212]	482	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	483	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	484	ENDIF
	485
[1960]	486	IF ( humidity ) THEN
[1]	487	!
[1960]	488	!-- 2D-humidity
[1788]	489	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	490	qsws(nysg:nyng,nxlg:nxrg), &
[1001]	491	qswst(nysg:nyng,nxlg:nxrg) )
[1]	492
	493	!
[1960]	494	!-- 3D-humidity
[1010]	495	#if defined( __nopointer )
[1788]	496	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	497	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	498	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	499	#else
[1788]	500	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	501	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	502	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	503	#endif
[1]	504
	505	!
[1960]	506	!-- 3D-arrays needed for humidity
[75]	507	IF ( humidity ) THEN
[1010]	508	#if defined( __nopointer )
	509	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	510	#else
[667]	511	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	512	#endif
[1]	513
[1788]	514	IF ( cloud_physics ) THEN
[1053]	515
[1]	516	!
	517	!-- Liquid water content
[1010]	518	#if defined( __nopointer )
	519	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	520	#else
[667]	521	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	522	#endif
[72]	523	!
	524	!-- Precipitation amount and rate (only needed if output is switched)
[1788]	525	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
[667]	526	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	527
	528	!
[1822]	529	!-- 3D-cloud water content
[1053]	530	#if defined( __nopointer )
[1822]	531	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	532	#else
[1822]	533	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	534	#endif
[1822]	535	!
	536	!-- 3d-precipitation rate
	537	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	538
[1822]	539	IF ( microphysics_seifert ) THEN
[1053]	540	!
[1822]	541	!-- 2D-rain water content and rain drop concentration arrays
	542	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	543	qrsws(nysg:nyng,nxlg:nxrg), &
	544	qrswst(nysg:nyng,nxlg:nxrg), &
	545	nrs(nysg:nyng,nxlg:nxrg), &
	546	nrsws(nysg:nyng,nxlg:nxrg), &
	547	nrswst(nysg:nyng,nxlg:nxrg) )
[1115]	548	!
[1822]	549	!-- 3D-rain water content, rain drop concentration arrays
[1115]	550	#if defined( __nopointer )
[1822]	551	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	552	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	553	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	554	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	555	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	556	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	557	#else
[1822]	558	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	559	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	560	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	561	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	562	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	563	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	564	#endif
[1822]	565	ENDIF
[1053]	566
[1]	567	ENDIF
	568
	569	IF ( cloud_droplets ) THEN
	570	!
[1010]	571	!-- Liquid water content, change in liquid water content
	572	#if defined( __nopointer )
[1788]	573	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	574	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	575	#else
[1788]	576	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	577	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	578	#endif
	579	!
	580	!-- Real volume of particles (with weighting), volume of particles
[1788]	581	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	582	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	583	ENDIF
	584
	585	ENDIF
	586
	587	ENDIF
[1960]	588
	589
	590	IF ( passive_scalar ) THEN
	591	!
	592	!-- 2D-scalar arrays
	593	ALLOCATE ( ss(nysg:nyng,nxlg:nxrg), &
	594	ssws(nysg:nyng,nxlg:nxrg), &
	595	sswst(nysg:nyng,nxlg:nxrg) )
[1]	596
[1960]	597	!
	598	!-- 3D scalar arrays
	599	#if defined( __nopointer )
	600	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	601	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	602	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	603	#else
	604	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	605	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	606	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	607	#endif
	608	ENDIF
	609
[94]	610	IF ( ocean ) THEN
[1788]	611	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
[1001]	612	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	613	#if defined( __nopointer )
[1788]	614	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	615	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	616	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	617	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	618	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	619	#else
[1788]	620	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	621	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	622	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	623	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	624	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	625	prho => prho_1
	626	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	627	! density to be apointer
[1010]	628	#endif
[108]	629	IF ( humidity_remote ) THEN
[667]	630	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	631	qswst_remote = 0.0_wp
[108]	632	ENDIF
[94]	633	ENDIF
	634
[1]	635	!
	636	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	637	!-- particle velocities
[1831]	638	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence &
	639	.OR. num_acc_per_node > 0 ) THEN
[1153]	640	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	641	ENDIF
	642
	643	!
[1299]	644	!-- 1D-array for large scale subsidence velocity
[1361]	645	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	646	ALLOCATE ( w_subs(nzb:nzt+1) )
	647	w_subs = 0.0_wp
	648	ENDIF
[1299]	649
	650	!
[1400]	651	!-- ID-array and state-space-array for the parallel random number generator
	652	IF ( random_generator == 'random-parallel' ) THEN
	653	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	654	ALLOCATE ( id_random_array(0:ny,0:nx) )
	655	seq_random_array = 0
	656	id_random_array = 0
	657	ENDIF
	658
	659	!
[51]	660	!-- 4D-array for storing the Rif-values at vertical walls
	661	IF ( topography /= 'flat' ) THEN
[667]	662	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	663	rif_wall = 0.0_wp
[51]	664	ENDIF
	665
	666	!
[106]	667	!-- Arrays to store velocity data from t-dt and the phase speeds which
	668	!-- are needed for radiation boundary conditions
[73]	669	IF ( outflow_l ) THEN
[1788]	670	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	671	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	672	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	673	ENDIF
	674	IF ( outflow_r ) THEN
[1788]	675	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	676	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	677	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	678	ENDIF
[106]	679	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	680	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	681	c_w(nzb:nzt+1,nysg:nyng) )
[106]	682	ENDIF
[73]	683	IF ( outflow_s ) THEN
[1788]	684	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	685	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	686	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	687	ENDIF
	688	IF ( outflow_n ) THEN
[1788]	689	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	690	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	691	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	692	ENDIF
[106]	693	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	694	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	695	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	696	ENDIF
[996]	697	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	698	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	699	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	700	ENDIF
[73]	701
[978]	702
[1010]	703	#if ! defined( __nopointer )
[73]	704	!
[1]	705	!-- Initial assignment of the pointers
[1001]	706	e => e_1; e_p => e_2; te_m => e_3
[1032]	707	IF ( .NOT. neutral ) THEN
	708	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	709	ELSE
	710	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	711	ENDIF
[1001]	712	u => u_1; u_p => u_2; tu_m => u_3
	713	v => v_1; v_p => v_2; tv_m => v_3
	714	w => w_1; w_p => w_2; tw_m => w_3
[1]	715
[1960]	716	IF ( humidity ) THEN
[1001]	717	q => q_1; q_p => q_2; tq_m => q_3
[1053]	718	IF ( humidity ) THEN
	719	vpt => vpt_1
	720	IF ( cloud_physics ) THEN
	721	ql => ql_1
[1822]	722	qc => qc_1
	723	IF ( microphysics_seifert ) THEN
	724	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	725	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	726	ENDIF
	727	ENDIF
	728	ENDIF
[1001]	729	IF ( cloud_droplets ) THEN
	730	ql => ql_1
	731	ql_c => ql_2
[1]	732	ENDIF
[1001]	733	ENDIF
[1960]	734
	735	IF ( passive_scalar ) THEN
	736	s => s_1; s_p => s_2; ts_m => s_3
	737	ENDIF
[1]	738
[1001]	739	IF ( ocean ) THEN
	740	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	741	ENDIF
[1010]	742	#endif
[1]	743
	744	!
[1551]	745	!-- Allocate land surface model arrays
	746	IF ( land_surface ) THEN
[1817]	747	CALL lsm_init_arrays
[1551]	748	ENDIF
	749
	750	!
[1914]	751	!-- Allocate wind turbine model arrays
	752	IF ( wind_turbine ) THEN
	753	CALL wtm_init_arrays
	754	ENDIF
[1957]	755
	756	!
	757	!-- Initialize virtual flight measurements
	758	IF ( virtual_flight ) THEN
	759	CALL flight_init
	760	ENDIF
[1914]	761
	762	!
[709]	763	!-- Allocate arrays containing the RK coefficient for calculation of
	764	!-- perturbation pressure and turbulent fluxes. At this point values are
	765	!-- set for pressure calculation during initialization (where no timestep
	766	!-- is done). Further below the values needed within the timestep scheme
	767	!-- will be set.
[1788]	768	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	769	weight_pres(1:intermediate_timestep_count_max) )
[1340]	770	weight_substep = 1.0_wp
	771	weight_pres = 1.0_wp
[1918]	772	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	773
[1402]	774	CALL location_message( 'finished', .TRUE. )
[1918]	775
[673]	776	!
[1918]	777	!-- Initialize local summation arrays for routine flow_statistics.
	778	!-- This is necessary because they may not yet have been initialized when they
	779	!-- are called from flow_statistics (or - depending on the chosen model run -
	780	!-- are never initialized)
	781	sums_divnew_l = 0.0_wp
	782	sums_divold_l = 0.0_wp
	783	sums_l_l = 0.0_wp
	784	sums_up_fraction_l = 0.0_wp
	785	sums_wsts_bc_l = 0.0_wp
	786
	787
	788	!
[1]	789	!-- Initialize model variables
[1788]	790	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	791	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	792	!
	793	!-- First model run of a possible job queue.
	794	!-- Initial profiles of the variables must be computes.
	795	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	796
[1402]	797	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	798	!
	799	!-- Use solutions of the 1D model as initial profiles,
	800	!-- start 1D model
	801	CALL init_1d_model
	802	!
	803	!-- Transfer initial profiles to the arrays of the 3D model
[667]	804	DO i = nxlg, nxrg
	805	DO j = nysg, nyng
[1]	806	e(:,j,i) = e1d
	807	kh(:,j,i) = kh1d
	808	km(:,j,i) = km1d
	809	pt(:,j,i) = pt_init
	810	u(:,j,i) = u1d
	811	v(:,j,i) = v1d
	812	ENDDO
	813	ENDDO
	814
[1960]	815	IF ( humidity ) THEN
[667]	816	DO i = nxlg, nxrg
	817	DO j = nysg, nyng
[1]	818	q(:,j,i) = q_init
	819	ENDDO
	820	ENDDO
[1822]	821	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	822	DO i = nxlg, nxrg
	823	DO j = nysg, nyng
[1340]	824	qr(:,j,i) = 0.0_wp
	825	nr(:,j,i) = 0.0_wp
[1053]	826	ENDDO
	827	ENDDO
[1115]	828
[1053]	829	ENDIF
[1]	830	ENDIF
[1960]	831	IF ( passive_scalar ) THEN
	832	DO i = nxlg, nxrg
	833	DO j = nysg, nyng
	834	s(:,j,i) = s_init
	835	ENDDO
	836	ENDDO
	837	ENDIF
[1]	838
	839	IF ( .NOT. constant_diffusion ) THEN
[667]	840	DO i = nxlg, nxrg
	841	DO j = nysg, nyng
[1]	842	e(:,j,i) = e1d
	843	ENDDO
	844	ENDDO
	845	!
	846	!-- Store initial profiles for output purposes etc.
	847	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	848
[1691]	849	IF ( constant_flux_layer ) THEN
[1707]	850	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	851	ts = 0.0_wp ! could actually be computed more accurately in the
	852	! 1D model. Update when opportunity arises.
[1]	853	us = us1d
	854	usws = usws1d
	855	vsws = vsws1d
	856	ELSE
[1340]	857	ts = 0.0_wp ! must be set, because used in
[1691]	858	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	859	us = 0.0_wp
	860	usws = 0.0_wp
	861	vsws = 0.0_wp
[1]	862	ENDIF
	863
	864	ELSE
[1340]	865	e = 0.0_wp ! must be set, because used in
[1691]	866	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	867	ts = 0.0_wp
	868	us = 0.0_wp
	869	usws = 0.0_wp
	870	vsws = 0.0_wp
[1]	871	ENDIF
[102]	872	uswst = top_momentumflux_u
	873	vswst = top_momentumflux_v
[1]	874
	875	!
	876	!-- In every case qs = 0.0 (see also pt)
	877	!-- This could actually be computed more accurately in the 1D model.
	878	!-- Update when opportunity arises!
[1960]	879	IF ( humidity ) THEN
[1340]	880	qs = 0.0_wp
[1822]	881	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	882	qrs = 0.0_wp
	883	nrs = 0.0_wp
[1053]	884	ENDIF
	885	ENDIF
[1960]	886	!
	887	!-- Initialize scaling parameter for passive scalar
	888	IF ( passive_scalar ) ss = 0.0_wp
[1]	889
	890	!
[1762]	891	!-- Inside buildings set velocities back to zero
[1]	892	IF ( topography /= 'flat' ) THEN
[1762]	893	DO i = nxlg, nxrg
	894	DO j = nysg, nyng
[1340]	895	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	896	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	897	ENDDO
	898	ENDDO
[667]	899
[1]	900	!
	901	!-- WARNING: The extra boundary conditions set after running the
	902	!-- ------- 1D model impose an error on the divergence one layer
	903	!-- below the topography; need to correct later
	904	!-- ATTENTION: Provisional correction for Piacsek & Williams
	905	!-- --------- advection scheme: keep u and v zero one layer below
	906	!-- the topography.
[667]	907	IF ( ibc_uv_b == 1 ) THEN
	908	!
[1]	909	!-- Neumann condition
	910	DO i = nxl-1, nxr+1
	911	DO j = nys-1, nyn+1
	912	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	913	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	914	ENDDO
	915	ENDDO
	916
	917	ENDIF
	918
	919	ENDIF
	920
[1402]	921	CALL location_message( 'finished', .TRUE. )
[1384]	922
[1788]	923	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	924	THEN
[1241]	925
[1402]	926	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	927	!
[1241]	928	!-- Overwrite initial profiles in case of nudging
[1788]	929	IF ( nudging ) THEN
[1241]	930	pt_init = ptnudge(:,1)
	931	u_init = unudge(:,1)
	932	v_init = vnudge(:,1)
[1960]	933	IF ( humidity ) THEN ! is passive_scalar correct???
[1241]	934	q_init = qnudge(:,1)
	935	ENDIF
	936
[1788]	937	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	938	'scalars from NUDGING_DATA are used.'
	939	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	940	ENDIF
	941
	942	!
[1]	943	!-- Use constructed initial profiles (velocity constant with height,
	944	!-- temperature profile with constant gradient)
[667]	945	DO i = nxlg, nxrg
	946	DO j = nysg, nyng
[1]	947	pt(:,j,i) = pt_init
	948	u(:,j,i) = u_init
	949	v(:,j,i) = v_init
	950	ENDDO
	951	ENDDO
[75]	952
[1]	953	!
[292]	954	!-- Set initial horizontal velocities at the lowest computational grid
	955	!-- levels to zero in order to avoid too small time steps caused by the
	956	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	957	!-- in the limiting formula!).
	958	IF ( ibc_uv_b /= 1 ) THEN
	959	DO i = nxlg, nxrg
	960	DO j = nysg, nyng
	961	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	962	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	963	ENDDO
	964	ENDDO
	965	ENDIF
[1]	966
[1960]	967	IF ( humidity ) THEN
[667]	968	DO i = nxlg, nxrg
	969	DO j = nysg, nyng
[1]	970	q(:,j,i) = q_init
	971	ENDDO
	972	ENDDO
[1822]	973	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	974
[1822]	975	DO i = nxlg, nxrg
	976	DO j = nysg, nyng
	977	qr(:,j,i) = 0.0_wp
	978	nr(:,j,i) = 0.0_wp
[1053]	979	ENDDO
[1822]	980	ENDDO
[1115]	981
[1053]	982	ENDIF
[1]	983	ENDIF
[1960]	984
	985	IF ( passive_scalar ) THEN
	986	DO i = nxlg, nxrg
	987	DO j = nysg, nyng
	988	s(:,j,i) = s_init
	989	ENDDO
	990	ENDDO
	991	ENDIF
[1]	992
[94]	993	IF ( ocean ) THEN
[667]	994	DO i = nxlg, nxrg
	995	DO j = nysg, nyng
[94]	996	sa(:,j,i) = sa_init
	997	ENDDO
	998	ENDDO
	999	ENDIF
[1]	1000
	1001	IF ( constant_diffusion ) THEN
	1002	km = km_constant
	1003	kh = km / prandtl_number
[1340]	1004	e = 0.0_wp
	1005	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	1006	DO k = nzb+1, nzt
[1340]	1007	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	1008	ENDDO
	1009	km(nzb,:,:) = km(nzb+1,:,:)
	1010	km(nzt+1,:,:) = km(nzt,:,:)
	1011	kh = km / prandtl_number
	1012	e = e_init
[1]	1013	ELSE
[108]	1014	IF ( .NOT. ocean ) THEN
[1340]	1015	kh = 0.01_wp ! there must exist an initial diffusion, because
	1016	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	1017	! production terms, as long as not yet
	1018	! e = (u/cm)*2 at k=nzb+1
	1019	ELSE
[1340]	1020	kh = 0.00001_wp
	1021	km = 0.00001_wp
[108]	1022	ENDIF
[1340]	1023	e = 0.0_wp
[1]	1024	ENDIF
[1691]	1025	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	1026	ts = 0.0_wp
[1920]	1027	!
	1028	!-- Very small number is required for calculation of Obukhov length
	1029	!-- at first timestep
	1030	us = 1E-30_wp
[1340]	1031	usws = 0.0_wp
[102]	1032	uswst = top_momentumflux_u
[1340]	1033	vsws = 0.0_wp
[102]	1034	vswst = top_momentumflux_v
[1960]	1035	IF ( humidity ) qs = 0.0_wp
	1036	IF ( passive_scalar ) ss = 0.0_wp
[1]	1037
	1038	!
	1039	!-- Compute initial temperature field and other constants used in case
	1040	!-- of a sloping surface
	1041	IF ( sloping_surface ) CALL init_slope
	1042
[1402]	1043	CALL location_message( 'finished', .TRUE. )
[1384]	1044
[1788]	1045	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	1046	THEN
[1384]	1047
[1402]	1048	CALL location_message( 'initializing by user', .FALSE. )
[46]	1049	!
	1050	!-- Initialization will completely be done by the user
	1051	CALL user_init_3d_model
	1052
[1402]	1053	CALL location_message( 'finished', .TRUE. )
[1384]	1054
[1]	1055	ENDIF
[1384]	1056
[1402]	1057	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	1058	.FALSE. )
[1384]	1059
[667]	1060	!
	1061	!-- Bottom boundary
	1062	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	1063	u(nzb,:,:) = 0.0_wp
	1064	v(nzb,:,:) = 0.0_wp
[667]	1065	ENDIF
[1]	1066
	1067	!
[151]	1068	!-- Apply channel flow boundary condition
[132]	1069	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	1070	u(nzt+1,:,:) = 0.0_wp
	1071	v(nzt+1,:,:) = 0.0_wp
[132]	1072	ENDIF
	1073
	1074	!
[1]	1075	!-- Calculate virtual potential temperature
[1960]	1076	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1077
	1078	!
	1079	!-- Store initial profiles for output purposes etc.
	1080	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1081	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1082	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1083	hom(nzb,1,5,:) = 0.0_wp
	1084	hom(nzb,1,6,:) = 0.0_wp
[1]	1085	ENDIF
	1086	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1087	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1088	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1089
[97]	1090	IF ( ocean ) THEN
	1091	!
	1092	!-- Store initial salinity profile
	1093	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1094	ENDIF
[1]	1095
[75]	1096	IF ( humidity ) THEN
[1]	1097	!
	1098	!-- Store initial profile of total water content, virtual potential
	1099	!-- temperature
	1100	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1101	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1102	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1103	!
	1104	!-- Store initial profile of specific humidity and potential
	1105	!-- temperature
	1106	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1107	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1108	ENDIF
	1109	ENDIF
	1110
	1111	IF ( passive_scalar ) THEN
	1112	!
	1113	!-- Store initial scalar profile
[1960]	1114	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
[1]	1115	ENDIF
	1116
	1117	!
[1400]	1118	!-- Initialize the random number generators (from numerical recipes)
	1119	CALL random_function_ini
[1429]	1120
[1400]	1121	IF ( random_generator == 'random-parallel' ) THEN
[1429]	1122	!-- Asigning an ID to every vertical gridpoint column
	1123	!-- dependig on the ensemble run number.
	1124	random_dummy=1
[1400]	1125	DO j=0,ny
	1126	DO i=0,nx
[1788]	1127	id_random_array(j,i) = random_dummy + 1E6 &
	1128	* ( ensemble_member_nr - 1000 )
[1429]	1129	random_dummy = random_dummy + 1
[1400]	1130	END DO
	1131	ENDDO
[1429]	1132	!-- Initializing with random_seed_parallel for every vertical
	1133	!-- gridpoint column.
	1134	random_dummy=0
[1400]	1135	DO j = nysg, nyng
	1136	DO i = nxlg, nxrg
	1137	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	1138	CALL random_number_parallel (random_dummy)
	1139	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	1140	END DO
	1141	ENDDO
	1142	ENDIF
	1143
	1144	!
[19]	1145	!-- Initialize fluxes at bottom surface
[1]	1146	IF ( use_surface_fluxes ) THEN
	1147
	1148	IF ( constant_heatflux ) THEN
	1149	!
	1150	!-- Heat flux is prescribed
	1151	IF ( random_heatflux ) THEN
	1152	CALL disturb_heatflux
	1153	ELSE
	1154	shf = surface_heatflux
	1155	!
[1241]	1156	!-- Initialize shf with data from external file LSF_DATA
[1788]	1157	IF ( large_scale_forcing .AND. lsf_surf ) THEN
[1241]	1158	CALL ls_forcing_surf ( simulated_time )
	1159	ENDIF
	1160
	1161	!
[1]	1162	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1163	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1164	DO i = nxlg, nxrg
	1165	DO j = nysg, nyng
[1]	1166	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1167	shf(j,i) = wall_heatflux(0)
	1168	ENDIF
	1169	ENDDO
	1170	ENDDO
	1171	ENDIF
	1172	ENDIF
	1173	ENDIF
	1174
	1175	!
	1176	!-- Determine the near-surface water flux
[1960]	1177	IF ( humidity ) THEN
[1822]	1178	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1179	qrsws = 0.0_wp
	1180	nrsws = 0.0_wp
[1053]	1181	ENDIF
[1]	1182	IF ( constant_waterflux ) THEN
	1183	qsws = surface_waterflux
[407]	1184	!
	1185	!-- Over topography surface_waterflux is replaced by
	1186	!-- wall_humidityflux(0)
	1187	IF ( TRIM( topography ) /= 'flat' ) THEN
	1188	wall_qflux = wall_humidityflux
[667]	1189	DO i = nxlg, nxrg
	1190	DO j = nysg, nyng
[407]	1191	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1192	qsws(j,i) = wall_qflux(0)
	1193	ENDIF
	1194	ENDDO
	1195	ENDDO
	1196	ENDIF
[1]	1197	ENDIF
	1198	ENDIF
[1960]	1199	!
	1200	!-- Initialize the near-surface scalar flux
	1201	IF ( passive_scalar ) THEN
	1202	IF ( constant_scalarflux ) THEN
	1203	ssws = surface_scalarflux
	1204	!
	1205	!-- Over topography surface_scalarflux is replaced by
	1206	!-- wall_scalarflux(0)
	1207	IF ( TRIM( topography ) /= 'flat' ) THEN
	1208	wall_sflux = wall_scalarflux
	1209	DO i = nxlg, nxrg
	1210	DO j = nysg, nyng
	1211	IF ( nzb_s_inner(j,i) /= 0 ) ssws(j,i) = wall_sflux(0)
	1212	ENDDO
	1213	ENDDO
	1214	ENDIF
	1215	ENDIF
[1992]	1216	ENDIF
	1217	!
	1218	!-- Initialize near-surface salinity flux
	1219	IF ( ocean ) saswsb = bottom_salinityflux
[1]	1220
	1221	ENDIF
	1222
	1223	!
[19]	1224	!-- Initialize fluxes at top surface
[94]	1225	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1226	!-- The latent flux is zero in this case!
[19]	1227	IF ( use_top_fluxes ) THEN
	1228	!
[1992]	1229	!-- Prescribe to heat flux
	1230	IF ( constant_top_heatflux ) tswst = top_heatflux
	1231	!
	1232	!-- Prescribe zero latent flux at the top
	1233	IF ( humidity ) THEN
	1234	qswst = 0.0_wp
	1235	IF ( cloud_physics .AND. microphysics_seifert ) THEN
	1236	nrswst = 0.0_wp
	1237	qrswst = 0.0_wp
[1053]	1238	ENDIF
[102]	1239	ENDIF
	1240	!
[1992]	1241	!-- Prescribe top scalar flux
	1242	IF ( passive_scalar .AND. constant_top_scalarflux ) &
	1243	sswst = top_scalarflux
	1244	!
	1245	!-- Prescribe top salinity flux
	1246	IF ( ocean .AND. constant_top_salinityflux) &
	1247	saswst = top_salinityflux
	1248	!
[102]	1249	!-- Initialization in case of a coupled model run
	1250	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1251	tswst = 0.0_wp
[102]	1252	ENDIF
	1253
[19]	1254	ENDIF
	1255
	1256	!
[1]	1257	!-- Initialize Prandtl layer quantities
[1691]	1258	IF ( constant_flux_layer ) THEN
[1]	1259
	1260	z0 = roughness_length
[978]	1261	z0h = z0h_factor * z0
[1788]	1262	z0q = z0h_factor * z0
[1]	1263
	1264	IF ( .NOT. constant_heatflux ) THEN
	1265	!
	1266	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1267	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1268	!-- to be computed by iteration. This is why the heat flux is assumed
	1269	!-- to be zero before the first time step. It approaches its correct
	1270	!-- value in the course of the first few time steps.
[1340]	1271	shf = 0.0_wp
[1]	1272	ENDIF
	1273
[1960]	1274	IF ( humidity ) THEN
[1788]	1275	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1822]	1276	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1277	qrsws = 0.0_wp
	1278	nrsws = 0.0_wp
[1053]	1279	ENDIF
[1]	1280	ENDIF
[1960]	1281	IF ( passive_scalar .AND. .NOT. constant_scalarflux ) ssws = 0.0_wp
[1]	1282
	1283	ENDIF
	1284
[1179]	1285	!
	1286	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1287	!-- the reference state will be set (overwritten) in init_ocean)
	1288	IF ( use_single_reference_value ) THEN
[1788]	1289	IF ( .NOT. humidity ) THEN
[1179]	1290	ref_state(:) = pt_reference
	1291	ELSE
	1292	ref_state(:) = vpt_reference
	1293	ENDIF
	1294	ELSE
[1788]	1295	IF ( .NOT. humidity ) THEN
[1179]	1296	ref_state(:) = pt_init(:)
	1297	ELSE
	1298	ref_state(:) = vpt(:,nys,nxl)
	1299	ENDIF
	1300	ENDIF
[152]	1301
	1302	!
[707]	1303	!-- For the moment, vertical velocity is zero
[1340]	1304	w = 0.0_wp
[1]	1305
	1306	!
	1307	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1308	sums = 0.0_wp
[1]	1309
	1310	!
[707]	1311	!-- In case of iterative solvers, p must get an initial value
[1575]	1312	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1313
	1314	!
[72]	1315	!-- Treating cloud physics, liquid water content and precipitation amount
	1316	!-- are zero at beginning of the simulation
	1317	IF ( cloud_physics ) THEN
[1340]	1318	ql = 0.0_wp
[1822]	1319	qc = 0.0_wp
	1320
	1321	precipitation_amount = 0.0_wp
[72]	1322	ENDIF
[673]	1323	!
[1]	1324	!-- Impose vortex with vertical axis on the initial velocity profile
	1325	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1326	CALL init_rankine
	1327	ENDIF
	1328
	1329	!
	1330	!-- Impose temperature anomaly (advection test only)
	1331	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1332	CALL init_pt_anomaly
	1333	ENDIF
	1334
	1335	!
	1336	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1337	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1338	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1339	ENDIF
	1340
	1341	!
	1342	!-- If required, change the surface humidity/scalar at the start of the 3D
	1343	!-- run
[1960]	1344	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
[1]	1345	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
[1960]	1346
	1347	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
	1348	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
	1349
[1]	1350
	1351	!
	1352	!-- Initialize old and new time levels.
[1340]	1353	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]	1354	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1355
[1960]	1356	IF ( humidity ) THEN
[1340]	1357	tq_m = 0.0_wp
[1]	1358	q_p = q
[1822]	1359	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1360	tqr_m = 0.0_wp
[1822]	1361	qr_p = qr
[1340]	1362	tnr_m = 0.0_wp
[1822]	1363	nr_p = nr
[1053]	1364	ENDIF
[1]	1365	ENDIF
[1960]	1366
	1367	IF ( passive_scalar ) THEN
	1368	ts_m = 0.0_wp
	1369	s_p = s
	1370	ENDIF
[1]	1371
[94]	1372	IF ( ocean ) THEN
[1340]	1373	tsa_m = 0.0_wp
[94]	1374	sa_p = sa
	1375	ENDIF
[667]	1376
[1402]	1377	CALL location_message( 'finished', .TRUE. )
[94]	1378
[1788]	1379	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
	1380	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1381	THEN
[1384]	1382
[1402]	1383	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1384	.FALSE. )
[1]	1385	!
[767]	1386	!-- When reading data for cyclic fill of 3D prerun data files, read
	1387	!-- some of the global variables from the restart file which are required
	1388	!-- for initializing the inflow
[328]	1389	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1390
[759]	1391	DO i = 0, io_blocks-1
	1392	IF ( i == io_group ) THEN
	1393	CALL read_parts_of_var_list
	1394	CALL close_file( 13 )
	1395	ENDIF
	1396	#if defined( __parallel )
	1397	CALL MPI_BARRIER( comm2d, ierr )
	1398	#endif
	1399	ENDDO
[328]	1400
[767]	1401	ENDIF
	1402
[151]	1403	!
[767]	1404	!-- Read binary data from restart file
	1405	DO i = 0, io_blocks-1
	1406	IF ( i == io_group ) THEN
	1407	CALL read_3d_binary
	1408	ENDIF
	1409	#if defined( __parallel )
	1410	CALL MPI_BARRIER( comm2d, ierr )
	1411	#endif
	1412	ENDDO
	1413
[328]	1414	!
[767]	1415	!-- Initialization of the turbulence recycling method
[1788]	1416	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1417	turbulent_inflow ) THEN
	1418	!
	1419	!-- First store the profiles to be used at the inflow.
	1420	!-- These profiles are the (temporally) and horizontally averaged vertical
	1421	!-- profiles from the prerun. Alternatively, prescribed profiles
	1422	!-- for u,v-components can be used.
[1960]	1423	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
[151]	1424
[767]	1425	IF ( use_prescribed_profile_data ) THEN
	1426	mean_inflow_profiles(:,1) = u_init ! u
	1427	mean_inflow_profiles(:,2) = v_init ! v
	1428	ELSE
[328]	1429	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1430	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1431	ENDIF
	1432	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1433	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1960]	1434	IF ( humidity ) &
	1435	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
	1436	IF ( passive_scalar ) &
	1437	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
[151]	1438
	1439	!
[767]	1440	!-- If necessary, adjust the horizontal flow field to the prescribed
	1441	!-- profiles
	1442	IF ( use_prescribed_profile_data ) THEN
	1443	DO i = nxlg, nxrg
[667]	1444	DO j = nysg, nyng
[328]	1445	DO k = nzb, nzt+1
[767]	1446	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1447	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1448	ENDDO
[151]	1449	ENDDO
[767]	1450	ENDDO
	1451	ENDIF
[151]	1452
	1453	!
[767]	1454	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1455	!-- conditions are used)
	1456	IF ( inflow_l ) THEN
	1457	DO j = nysg, nyng
	1458	DO k = nzb, nzt+1
	1459	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1460	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1461	w(k,j,nxlg:-1) = 0.0_wp
[767]	1462	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1463	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1960]	1464	IF ( humidity ) &
[1615]	1465	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[1960]	1466	IF ( passive_scalar ) &
	1467	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
[767]	1468	ENDDO
	1469	ENDDO
	1470	ENDIF
	1471
[151]	1472	!
[767]	1473	!-- Calculate the damping factors to be used at the inflow. For a
	1474	!-- turbulent inflow the turbulent fluctuations have to be limited
	1475	!-- vertically because otherwise the turbulent inflow layer will grow
	1476	!-- in time.
[1340]	1477	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1478	!
	1479	!-- Default: use the inversion height calculated by the prerun; if
	1480	!-- this is zero, inflow_damping_height must be explicitly
	1481	!-- specified.
[1340]	1482	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1483	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1484	ELSE
[1788]	1485	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1486	'explicitly specified because&the inversion height ', &
[767]	1487	'calculated by the prerun is zero.'
	1488	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1489	ENDIF
[151]	1490
[767]	1491	ENDIF
	1492
[1340]	1493	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1494	!
[767]	1495	!-- Default for the transition range: one tenth of the undamped
	1496	!-- layer
[1340]	1497	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1498
[767]	1499	ENDIF
[151]	1500
[767]	1501	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1502
[767]	1503	DO k = nzb, nzt+1
[151]	1504
[767]	1505	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1506	inflow_damping_factor(k) = 1.0_wp
[996]	1507	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1508	inflow_damping_factor(k) = 1.0_wp - &
[996]	1509	( zu(k) - inflow_damping_height ) / &
	1510	inflow_damping_width
[767]	1511	ELSE
[1340]	1512	inflow_damping_factor(k) = 0.0_wp
[767]	1513	ENDIF
[151]	1514
[767]	1515	ENDDO
[151]	1516
[147]	1517	ENDIF
	1518
[152]	1519	!
[359]	1520	!-- Inside buildings set velocities and TKE back to zero
[1788]	1521	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1522	topography /= 'flat' ) THEN
	1523	!
	1524	!-- Inside buildings set velocities and TKE back to zero.
	1525	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1526	!-- maybe revise later.
[1001]	1527	DO i = nxlg, nxrg
	1528	DO j = nysg, nyng
[1340]	1529	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1530	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1531	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1532	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1533	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1534	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1535	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1536	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1537	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1538	ENDDO
[1001]	1539	ENDDO
[359]	1540
	1541	ENDIF
	1542
	1543	!
[1]	1544	!-- Calculate initial temperature field and other constants used in case
	1545	!-- of a sloping surface
	1546	IF ( sloping_surface ) CALL init_slope
	1547
	1548	!
	1549	!-- Initialize new time levels (only done in order to set boundary values
	1550	!-- including ghost points)
	1551	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1960]	1552	IF ( humidity ) THEN
[1053]	1553	q_p = q
[1822]	1554	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1555	qr_p = qr
	1556	nr_p = nr
	1557	ENDIF
	1558	ENDIF
[1960]	1559	IF ( passive_scalar ) s_p = s
	1560	IF ( ocean ) sa_p = sa
[1]	1561
[181]	1562	!
	1563	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1564	!-- have to be predefined here because they are used (but multiplied with 0)
	1565	!-- there before they are set.
[1340]	1566	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
[1960]	1567	IF ( humidity ) THEN
[1340]	1568	tq_m = 0.0_wp
[1822]	1569	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1570	tqr_m = 0.0_wp
	1571	tnr_m = 0.0_wp
[1053]	1572	ENDIF
	1573	ENDIF
[1960]	1574	IF ( passive_scalar ) ts_m = 0.0_wp
	1575	IF ( ocean ) tsa_m = 0.0_wp
[181]	1576
[1402]	1577	CALL location_message( 'finished', .TRUE. )
[1384]	1578
[1]	1579	ELSE
	1580	!
	1581	!-- Actually this part of the programm should not be reached
[254]	1582	message_string = 'unknown initializing problem'
	1583	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1584	ENDIF
	1585
[151]	1586
	1587	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1588	!
[151]	1589	!-- Initialize old timelevels needed for radiation boundary conditions
	1590	IF ( outflow_l ) THEN
	1591	u_m_l(:,:,:) = u(:,:,1:2)
	1592	v_m_l(:,:,:) = v(:,:,0:1)
	1593	w_m_l(:,:,:) = w(:,:,0:1)
	1594	ENDIF
	1595	IF ( outflow_r ) THEN
	1596	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1597	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1598	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1599	ENDIF
	1600	IF ( outflow_s ) THEN
	1601	u_m_s(:,:,:) = u(:,0:1,:)
	1602	v_m_s(:,:,:) = v(:,1:2,:)
	1603	w_m_s(:,:,:) = w(:,0:1,:)
	1604	ENDIF
	1605	IF ( outflow_n ) THEN
	1606	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1607	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1608	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1609	ENDIF
[667]	1610
[151]	1611	ENDIF
[680]	1612
[667]	1613	!
	1614	!-- Calculate the initial volume flow at the right and north boundary
[709]	1615	IF ( conserve_volume_flow ) THEN
[151]	1616
[767]	1617	IF ( use_prescribed_profile_data ) THEN
[667]	1618
[1340]	1619	volume_flow_initial_l = 0.0_wp
	1620	volume_flow_area_l = 0.0_wp
[732]	1621
[667]	1622	IF ( nxr == nx ) THEN
	1623	DO j = nys, nyn
[1845]	1624	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1625	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1626	u_init(k) * dzw(k)
	1627	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1628	ENDDO
	1629	ENDDO
	1630	ENDIF
	1631
	1632	IF ( nyn == ny ) THEN
	1633	DO i = nxl, nxr
[1845]	1634	DO k = nzb_v_inner(ny,i)+1, nzt
[767]	1635	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1636	v_init(k) * dzw(k)
	1637	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1638	ENDDO
	1639	ENDDO
	1640	ENDIF
	1641
	1642	#if defined( __parallel )
	1643	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1644	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1645	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1646	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1647
	1648	#else
	1649	volume_flow_initial = volume_flow_initial_l
	1650	volume_flow_area = volume_flow_area_l
	1651	#endif
	1652
	1653	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1654
[1340]	1655	volume_flow_initial_l = 0.0_wp
	1656	volume_flow_area_l = 0.0_wp
[767]	1657
	1658	IF ( nxr == nx ) THEN
	1659	DO j = nys, nyn
[1845]	1660	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1661	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1662	hom_sum(k,1,0) * dzw(k)
	1663	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1664	ENDDO
	1665	ENDDO
	1666	ENDIF
	1667
	1668	IF ( nyn == ny ) THEN
	1669	DO i = nxl, nxr
[1845]	1670	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1671	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1672	hom_sum(k,2,0) * dzw(k)
[667]	1673	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1674	ENDDO
	1675	ENDDO
	1676	ENDIF
	1677
[732]	1678	#if defined( __parallel )
	1679	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1680	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1681	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1682	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1683
	1684	#else
	1685	volume_flow_initial = volume_flow_initial_l
	1686	volume_flow_area = volume_flow_area_l
	1687	#endif
	1688
[667]	1689	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1690
[1340]	1691	volume_flow_initial_l = 0.0_wp
	1692	volume_flow_area_l = 0.0_wp
[732]	1693
[667]	1694	IF ( nxr == nx ) THEN
	1695	DO j = nys, nyn
[1845]	1696	DO k = nzb_u_inner(j,nx)+1, nzt
[667]	1697	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1698	u(k,j,nx) * dzw(k)
[667]	1699	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1700	ENDDO
	1701	ENDDO
	1702	ENDIF
	1703
	1704	IF ( nyn == ny ) THEN
	1705	DO i = nxl, nxr
[1845]	1706	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1707	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[667]	1708	v(k,ny,i) * dzw(k)
	1709	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1710	ENDDO
	1711	ENDDO
	1712	ENDIF
	1713
	1714	#if defined( __parallel )
[732]	1715	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1716	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1717	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1718	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1719
	1720	#else
[732]	1721	volume_flow_initial = volume_flow_initial_l
	1722	volume_flow_area = volume_flow_area_l
[667]	1723	#endif
	1724
[732]	1725	ENDIF
	1726
[151]	1727	!
[709]	1728	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1729	!-- from u\|v_bulk instead
[680]	1730	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1731	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1732	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1733	ENDIF
[667]	1734
[680]	1735	ENDIF
	1736
[787]	1737	!
	1738	!-- Initialize quantities for special advections schemes
	1739	CALL init_advec
[680]	1740
[667]	1741	!
[680]	1742	!-- Impose random perturbation on the horizontal velocity field and then
	1743	!-- remove the divergences from the velocity field at the initial stage
[1788]	1744	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1745	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1746	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1747
[1402]	1748	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1749	CALL disturb_field( nzb_u_inner, tend, u )
	1750	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1751	CALL location_message( 'finished', .TRUE. )
[1384]	1752
[1402]	1753	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1754	n_sor = nsor_ini
[1221]	1755	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1756	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1757	!$acc copyin( weight_pres, weight_substep ) &
	1758	!$acc copy( tri, tric, u, v, w )
[680]	1759	CALL pres
[1111]	1760	!$acc end data
[680]	1761	n_sor = nsor
[1402]	1762	CALL location_message( 'finished', .TRUE. )
[1384]	1763
[680]	1764	ENDIF
	1765
	1766	!
[1484]	1767	!-- If required, initialize quantities needed for the plant canopy model
[1826]	1768	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1769	IF ( plant_canopy ) CALL pcm_init
	1770	CALL location_message( 'finished', .TRUE. )
[138]	1771
	1772	!
[1]	1773	!-- If required, initialize dvrp-software
[1340]	1774	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1775
[96]	1776	IF ( ocean ) THEN
[1]	1777	!
[96]	1778	!-- Initialize quantities needed for the ocean model
	1779	CALL init_ocean
[388]	1780
[96]	1781	ELSE
	1782	!
	1783	!-- Initialize quantities for handling cloud physics
[849]	1784	!-- This routine must be called before lpm_init, because
[96]	1785	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1786	!-- lpm_init) is not defined.
[96]	1787	CALL init_cloud_physics
[1849]	1788	!
	1789	!-- Initialize bulk cloud microphysics
	1790	CALL microphysics_init
[96]	1791	ENDIF
[1]	1792
	1793	!
	1794	!-- If required, initialize particles
[849]	1795	IF ( particle_advection ) CALL lpm_init
[1]	1796
[1585]	1797	!
	1798	!-- If required, initialize quantities needed for the LSM
	1799	IF ( land_surface ) THEN
	1800	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1801	CALL lsm_init
[1585]	1802	CALL location_message( 'finished', .TRUE. )
	1803	ENDIF
[1496]	1804
[1]	1805	!
[1691]	1806	!-- Initialize surface layer (done after LSM as roughness length are required
	1807	!-- for initialization
	1808	IF ( constant_flux_layer ) THEN
	1809	CALL location_message( 'initializing surface layer', .FALSE. )
	1810	CALL init_surface_layer_fluxes
	1811	CALL location_message( 'finished', .TRUE. )
	1812	ENDIF
	1813
	1814	!
[1496]	1815	!-- If required, initialize radiation model
	1816	IF ( radiation ) THEN
[1585]	1817	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1818	CALL radiation_init
[1585]	1819	CALL location_message( 'finished', .TRUE. )
[1496]	1820	ENDIF
[1914]	1821
	1822	!
	1823	!-- If required, initialize quantities needed for the wind turbine model
	1824	IF ( wind_turbine ) THEN
	1825	CALL location_message( 'initializing wind turbine model', .FALSE. )
	1826	CALL wtm_init
	1827	CALL location_message( 'finished', .TRUE. )
	1828	ENDIF
[1496]	1829
[1914]	1830
[1496]	1831	!
[673]	1832	!-- Initialize the ws-scheme.
	1833	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1834
	1835	!
[709]	1836	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	1837	!-- and turbulent quantities from the RK substeps
[709]	1838	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1839
[1322]	1840	weight_substep(1) = 1._wp/6._wp
	1841	weight_substep(2) = 3._wp/10._wp
	1842	weight_substep(3) = 8._wp/15._wp
[709]	1843
[1322]	1844	weight_pres(1) = 1._wp/3._wp
	1845	weight_pres(2) = 5._wp/12._wp
	1846	weight_pres(3) = 1._wp/4._wp
[709]	1847
	1848	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1849
[1322]	1850	weight_substep(1) = 1._wp/2._wp
	1851	weight_substep(2) = 1._wp/2._wp
[673]	1852
[1322]	1853	weight_pres(1) = 1._wp/2._wp
	1854	weight_pres(2) = 1._wp/2._wp
[709]	1855
[1001]	1856	ELSE ! for Euler-method
[709]	1857
[1340]	1858	weight_substep(1) = 1.0_wp
	1859	weight_pres(1) = 1.0_wp
[709]	1860
[673]	1861	ENDIF
	1862
	1863	!
[1]	1864	!-- Initialize Rayleigh damping factors
[1340]	1865	rdf = 0.0_wp
	1866	rdf_sc = 0.0_wp
	1867	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	1868	IF ( .NOT. ocean ) THEN
[108]	1869	DO k = nzb+1, nzt
	1870	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	1871	rdf(k) = rayleigh_damping_factor * &
[1340]	1872	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	1873	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	1874	)**2
[108]	1875	ENDIF
	1876	ENDDO
	1877	ELSE
	1878	DO k = nzt, nzb+1, -1
	1879	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	1880	rdf(k) = rayleigh_damping_factor * &
[1340]	1881	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	1882	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	1883	)**2
	1884	ENDIF
	1885	ENDDO
	1886	ENDIF
[1]	1887	ENDIF
[785]	1888	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1889
	1890	!
[240]	1891	!-- Initialize the starting level and the vertical smoothing factor used for
	1892	!-- the external pressure gradient
[1340]	1893	dp_smooth_factor = 1.0_wp
[240]	1894	IF ( dp_external ) THEN
	1895	!
	1896	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1897	!-- (e.g. in init_grid).
	1898	IF ( dp_level_ind_b == 0 ) THEN
	1899	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1900	dp_level_ind_b = ind_array(1) - 1 + nzb
	1901	! MINLOC uses lower array bound 1
	1902	ENDIF
	1903	IF ( dp_smooth ) THEN
[1340]	1904	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1905	DO k = dp_level_ind_b+1, nzt
[1340]	1906	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1907	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1908	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1909	ENDDO
	1910	ENDIF
	1911	ENDIF
	1912
	1913	!
[978]	1914	!-- Initialize damping zone for the potential temperature in case of
	1915	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1916	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1917	ptdf_x = 0.0_wp
	1918	ptdf_y = 0.0_wp
[1159]	1919	IF ( bc_lr_dirrad ) THEN
[996]	1920	DO i = nxl, nxr
[978]	1921	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1922	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1923	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	1924	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1925	ENDIF
	1926	ENDDO
[1159]	1927	ELSEIF ( bc_lr_raddir ) THEN
[996]	1928	DO i = nxl, nxr
[978]	1929	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1930	ptdf_x(i) = pt_damping_factor * &
[1340]	1931	SIN( pi * 0.5_wp * &
	1932	( ( i - nx ) * dx + pt_damping_width ) / &
	1933	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1934	ENDIF
[978]	1935	ENDDO
[1159]	1936	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1937	DO j = nys, nyn
[978]	1938	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1939	ptdf_y(j) = pt_damping_factor * &
[1340]	1940	SIN( pi * 0.5_wp * &
	1941	( ( j - ny ) * dy + pt_damping_width ) / &
	1942	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1943	ENDIF
[978]	1944	ENDDO
[1159]	1945	ELSEIF ( bc_ns_raddir ) THEN
[996]	1946	DO j = nys, nyn
[978]	1947	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1948	ptdf_y(j) = pt_damping_factor * &
[1340]	1949	SIN( pi * 0.5_wp * &
	1950	( pt_damping_width - j * dy ) / &
	1951	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1952	ENDIF
[73]	1953	ENDDO
[1]	1954	ENDIF
	1955
	1956	!
	1957	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1958	!-- Ghost points are excluded because counting values at the ghost boundaries
	1959	!-- would bias the statistics
[1340]	1960	rmask = 1.0_wp
	1961	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1962	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1963
	1964	!
[51]	1965	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1966	!-- of allowed timeseries is exceeded
[1]	1967	CALL user_init
	1968
[51]	1969	IF ( dots_num > dots_max ) THEN
[1788]	1970	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	1971	' its maximum of dots_max = ', dots_max, &
[254]	1972	' &Please increase dots_max in modules.f90.'
	1973	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1974	ENDIF
	1975
[1]	1976	!
	1977	!-- Input binary data file is not needed anymore. This line must be placed
	1978	!-- after call of user_init!
	1979	CALL close_file( 13 )
	1980
	1981	!
	1982	!-- Compute total sum of active mask grid points
[1738]	1983	!-- and the mean surface level height for each statistic region
[1]	1984	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1985	!-- total domain
	1986	!-- ngp_3d: number of grid points of the total domain
[132]	1987	ngp_2dh_outer_l = 0
	1988	ngp_2dh_outer = 0
	1989	ngp_2dh_s_inner_l = 0
	1990	ngp_2dh_s_inner = 0
	1991	ngp_2dh_l = 0
	1992	ngp_2dh = 0
[1340]	1993	ngp_3d_inner_l = 0.0_wp
[132]	1994	ngp_3d_inner = 0
	1995	ngp_3d = 0
	1996	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1997
[1738]	1998	mean_surface_level_height = 0.0_wp
	1999	mean_surface_level_height_l = 0.0_wp
	2000
[1]	2001	DO sr = 0, statistic_regions
	2002	DO i = nxl, nxr
	2003	DO j = nys, nyn
[1340]	2004	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	2005	!
	2006	!-- All xy-grid points
	2007	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
[1788]	2008	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
	2009	+ zw(nzb_s_inner(j,i))
[1]	2010	!
	2011	!-- xy-grid points above topography
	2012	DO k = nzb_s_outer(j,i), nz + 1
	2013	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	2014	ENDDO
[132]	2015	DO k = nzb_s_inner(j,i), nz + 1
	2016	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	2017	ENDDO
[1]	2018	!
	2019	!-- All grid points of the total domain above topography
[1788]	2020	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
	2021	+ ( nz - nzb_s_inner(j,i) + 2 )
[1]	2022	ENDIF
	2023	ENDDO
	2024	ENDDO
	2025	ENDDO
	2026
	2027	sr = statistic_regions + 1
	2028	#if defined( __parallel )
[622]	2029	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2030	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	2031	comm2d, ierr )
[622]	2032	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2033	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	2034	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2035	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2036	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	2037	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2038	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2039	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	2040	MPI_SUM, comm2d, ierr )
[485]	2041	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2042	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2043	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	2044	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	2045	MPI_SUM, comm2d, ierr )
	2046	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	2047	#else
[132]	2048	ngp_2dh = ngp_2dh_l
	2049	ngp_2dh_outer = ngp_2dh_outer_l
	2050	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	2051	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2052	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	2053	#endif
	2054
[560]	2055	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	2056	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	2057
	2058	!
	2059	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	2060	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	2061	!-- the respective subdomain lie below the surface topography
[667]	2062	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	2063	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	2064	ngp_3d_inner(:) )
[667]	2065	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	2066
[1788]	2067	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	2068	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	2069
[1402]	2070	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	2071
	2072	END SUBROUTINE init_3d_model

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