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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2032

Last change on this file since 2032 was 2032, checked in by knoop, 8 years ago

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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	!
[2032]	23	!
[1961]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 2032 2016-10-21 15:13:51Z knoop $
	27	!
[2032]	28	! 2031 2016-10-21 15:11:58Z knoop
	29	! renamed variable rho to rho_ocean
	30	!
[2012]	31	! 2011 2016-09-19 17:29:57Z kanani
	32	! Flag urban_surface is now defined in module control_parameters.
	33	!
[2008]	34	! 2007 2016-08-24 15:47:17Z kanani
	35	! Added support for urban surface model,
	36	! adjusted location_message in case of plant_canopy
	37	!
[2001]	38	! 2000 2016-08-20 18:09:15Z knoop
	39	! Forced header and separation lines into 80 columns
	40	!
[1993]	41	! 1992 2016-08-12 15:14:59Z suehring
	42	! Initializaton of scalarflux at model top
	43	! Bugfixes in initialization of surface and top salinity flux, top scalar and
	44	! humidity fluxes
	45	!
[1961]	46	! 1960 2016-07-12 16:34:24Z suehring
[1960]	47	! Separate humidity and passive scalar
	48	! Increase dimension for mean_inflow_profiles
	49	! Remove inadvertent write-statement
	50	! Bugfix, large-scale forcing is still not implemented for passive scalars
[1919]	51	!
[1958]	52	! 1957 2016-07-07 10:43:48Z suehring
	53	! flight module added
	54	!
[1921]	55	! 1920 2016-05-30 10:50:15Z suehring
	56	! Initialize us with very small number to avoid segmentation fault during
	57	! calculation of Obukhov length
	58	!
[1919]	59	! 1918 2016-05-27 14:35:57Z raasch
	60	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	61	! bugfix: initialization of local sum arrays are moved to the beginning of the
	62	! routine because otherwise results from pres are overwritten
	63	!
[1917]	64	! 1914 2016-05-26 14:44:07Z witha
	65	! Added initialization of the wind turbine model
	66	!
[1879]	67	! 1878 2016-04-19 12:30:36Z hellstea
	68	! The zeroth element of weight_pres removed as unnecessary
	69	!
[1851]	70	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	71	! Adapted for modularization of microphysics.
	72	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	73	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	74	! microphysics_init.
	75	!
[1846]	76	! 1845 2016-04-08 08:29:13Z raasch
	77	! nzb_2d replaced by nzb_u\|v_inner
[1914]	78	!
[1834]	79	! 1833 2016-04-07 14:23:03Z raasch
	80	! initialization of spectra quantities moved to spectra_mod
	81	!
[1832]	82	! 1831 2016-04-07 13:15:51Z hoffmann
	83	! turbulence renamed collision_turbulence
	84	!
[1827]	85	! 1826 2016-04-07 12:01:39Z maronga
	86	! Renamed radiation calls.
	87	! Renamed canopy model calls.
	88	!
[1823]	89	! 1822 2016-04-07 07:49:42Z hoffmann
	90	! icloud_scheme replaced by microphysics_*
[1914]	91	!
[1818]	92	! 1817 2016-04-06 15:44:20Z maronga
	93	! Renamed lsm calls.
	94	!
[1816]	95	! 1815 2016-04-06 13:49:59Z raasch
	96	! zero-settings for velocities inside topography re-activated (was deactivated
	97	! in r1762)
	98	!
[1789]	99	! 1788 2016-03-10 11:01:04Z maronga
	100	! Added z0q.
	101	! Syntax layout improved.
	102	!
[1784]	103	! 1783 2016-03-06 18:36:17Z raasch
	104	! netcdf module name changed + related changes
	105	!
[1765]	106	! 1764 2016-02-28 12:45:19Z raasch
	107	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	108	!
[1763]	109	! 1762 2016-02-25 12:31:13Z hellstea
	110	! Introduction of nested domain feature
	111	!
[1739]	112	! 1738 2015-12-18 13:56:05Z raasch
	113	! calculate mean surface level height for each statistic region
	114	!
[1735]	115	! 1734 2015-12-02 12:17:12Z raasch
	116	! no initial disturbances in case that the disturbance energy limit has been
	117	! set zero
	118	!
[1708]	119	! 1707 2015-11-02 15:24:52Z maronga
	120	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	121	! devision by zero in neutral stratification
	122	!
[1692]	123	! 1691 2015-10-26 16:17:44Z maronga
	124	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	125	!
[1683]	126	! 1682 2015-10-07 23:56:08Z knoop
	127	! Code annotations made doxygen readable
	128	!
[1616]	129	! 1615 2015-07-08 18:49:19Z suehring
	130	! Enable turbulent inflow for passive_scalar and humidity
	131	!
[1586]	132	! 1585 2015-04-30 07:05:52Z maronga
	133	! Initialization of radiation code is now done after LSM initializtion
	134	!
[1576]	135	! 1575 2015-03-27 09:56:27Z raasch
	136	! adjustments for psolver-queries
	137	!
[1552]	138	! 1551 2015-03-03 14:18:16Z maronga
[1817]	139	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	140	! which is part of land_surface_model.
	141	!
[1508]	142	! 1507 2014-12-10 12:14:18Z suehring
	143	! Bugfix: set horizontal velocity components to zero inside topography
	144	!
[1497]	145	! 1496 2014-12-02 17:25:50Z maronga
	146	! Added initialization of the land surface and radiation schemes
	147	!
[1485]	148	! 1484 2014-10-21 10:53:05Z kanani
[1484]	149	! Changes due to new module structure of the plant canopy model:
[1508]	150	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	151	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	152	! call of subroutine init_plant_canopy added.
[1341]	153	!
[1432]	154	! 1431 2014-07-15 14:47:17Z suehring
	155	! var_d added, in order to normalize spectra.
	156	!
[1430]	157	! 1429 2014-07-15 12:53:45Z knoop
	158	! Ensemble run capability added to parallel random number generator
	159	!
[1412]	160	! 1411 2014-05-16 18:01:51Z suehring
	161	! Initial horizontal velocity profiles were not set to zero at the first vertical
	162	! grid level in case of non-cyclic lateral boundary conditions.
	163	!
[1407]	164	! 1406 2014-05-16 13:47:01Z raasch
	165	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	166	! no-slip boundary condition for uv
	167	!
[1403]	168	! 1402 2014-05-09 14:25:13Z raasch
	169	! location messages modified
	170	!
[1401]	171	! 1400 2014-05-09 14:03:54Z knoop
	172	! Parallel random number generator added
	173	!
[1385]	174	! 1384 2014-05-02 14:31:06Z raasch
	175	! location messages added
	176	!
[1362]	177	! 1361 2014-04-16 15:17:48Z hoffmann
	178	! tend_* removed
	179	! Bugfix: w_subs is not allocated anymore if it is already allocated
	180	!
[1360]	181	! 1359 2014-04-11 17:15:14Z hoffmann
	182	! module lpm_init_mod added to use statements, because lpm_init has become a
	183	! module
	184	!
[1354]	185	! 1353 2014-04-08 15:21:23Z heinze
	186	! REAL constants provided with KIND-attribute
	187	!
[1341]	188	! 1340 2014-03-25 19:45:13Z kanani
	189	! REAL constants defined as wp-kind
	190	!
[1323]	191	! 1322 2014-03-20 16:38:49Z raasch
	192	! REAL constants defined as wp-kind
	193	! module interfaces removed
	194	!
[1321]	195	! 1320 2014-03-20 08:40:49Z raasch
	196	! ONLY-attribute added to USE-statements,
	197	! kind-parameters added to all INTEGER and REAL declaration statements,
	198	! kinds are defined in new module kinds,
	199	! revision history before 2012 removed,
	200	! comment fields (!:) to be used for variable explanations added to
	201	! all variable declaration statements
	202	!
[1317]	203	! 1316 2014-03-17 07:44:59Z heinze
	204	! Bugfix: allocation of w_subs
	205	!
[1300]	206	! 1299 2014-03-06 13:15:21Z heinze
	207	! Allocate w_subs due to extension of large scale subsidence in combination
	208	! with large scale forcing data (LSF_DATA)
	209	!
[1242]	210	! 1241 2013-10-30 11:36:58Z heinze
	211	! Overwrite initial profiles in case of nudging
	212	! Inititialize shf and qsws in case of large_scale_forcing
	213	!
[1222]	214	! 1221 2013-09-10 08:59:13Z raasch
	215	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	216	! copy
	217	!
[1213]	218	! 1212 2013-08-15 08:46:27Z raasch
	219	! array tri is allocated and included in data copy statement
	220	!
[1196]	221	! 1195 2013-07-01 12:27:57Z heinze
	222	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	223	!
[1182]	224	! 1179 2013-06-14 05:57:58Z raasch
	225	! allocate and set ref_state to be used in buoyancy terms
	226	!
[1172]	227	! 1171 2013-05-30 11:27:45Z raasch
	228	! diss array is allocated with full size if accelerator boards are used
	229	!
[1160]	230	! 1159 2013-05-21 11:58:22Z fricke
	231	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	232	!
[1154]	233	! 1153 2013-05-10 14:33:08Z raasch
	234	! diss array is allocated with dummy elements even if it is not needed
[1171]	235	! (required by PGI 13.4 / CUDA 5.0)
[1154]	236	!
[1116]	237	! 1115 2013-03-26 18:16:16Z hoffmann
	238	! unused variables removed
	239	!
[1114]	240	! 1113 2013-03-10 02:48:14Z raasch
	241	! openACC directive modified
	242	!
[1112]	243	! 1111 2013-03-08 23:54:10Z raasch
	244	! openACC directives added for pres
	245	! array diss allocated only if required
	246	!
[1093]	247	! 1092 2013-02-02 11:24:22Z raasch
	248	! unused variables removed
	249	!
[1066]	250	! 1065 2012-11-22 17:42:36Z hoffmann
	251	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	252	!
[1054]	253	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	254	! allocation and initialisation of necessary data arrays for the two-moment
	255	! cloud physics scheme the two new prognostic equations (nr, qr):
	256	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	257	! +tend_*, prr
[979]	258	!
[1037]	259	! 1036 2012-10-22 13:43:42Z raasch
	260	! code put under GPL (PALM 3.9)
	261	!
[1033]	262	! 1032 2012-10-21 13:03:21Z letzel
	263	! save memory by not allocating pt_2 in case of neutral = .T.
	264	!
[1026]	265	! 1025 2012-10-07 16:04:41Z letzel
	266	! bugfix: swap indices of mask for ghost boundaries
	267	!
[1017]	268	! 1015 2012-09-27 09:23:24Z raasch
	269	! mask is set to zero for ghost boundaries
	270	!
[1011]	271	! 1010 2012-09-20 07:59:54Z raasch
	272	! cpp switch __nopointer added for pointer free version
	273	!
[1004]	274	! 1003 2012-09-14 14:35:53Z raasch
	275	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	276	!
[1002]	277	! 1001 2012-09-13 14:08:46Z raasch
	278	! all actions concerning leapfrog scheme removed
	279	!
[997]	280	! 996 2012-09-07 10:41:47Z raasch
	281	! little reformatting
	282	!
[979]	283	! 978 2012-08-09 08:28:32Z fricke
[978]	284	! outflow damping layer removed
	285	! roughness length for scalar quantites z0h added
	286	! damping zone for the potential temperatur in case of non-cyclic lateral
	287	! boundaries added
	288	! initialization of ptdf_x, ptdf_y
	289	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	290	!
[850]	291	! 849 2012-03-15 10:35:09Z raasch
	292	! init_particles renamed lpm_init
	293	!
[826]	294	! 825 2012-02-19 03:03:44Z raasch
	295	! wang_collision_kernel renamed wang_kernel
	296	!
[1]	297	! Revision 1.1 1998/03/09 16:22:22 raasch
	298	! Initial revision
	299	!
	300	!
	301	! Description:
	302	! ------------
[1682]	303	!> Allocation of arrays and initialization of the 3D model via
	304	!> a) pre-run the 1D model
	305	!> or
	306	!> b) pre-set constant linear profiles
	307	!> or
	308	!> c) read values of a previous run
[1]	309	!------------------------------------------------------------------------------!
[1682]	310	SUBROUTINE init_3d_model
	311
[1]	312
[667]	313	USE advec_ws
[1320]	314
[1]	315	USE arrays_3d
[1849]	316
[1320]	317	USE constants, &
	318	ONLY: pi
	319
[1]	320	USE control_parameters
[1320]	321
[1957]	322	USE flight_mod, &
	323	ONLY: flight_init
	324
[1320]	325	USE grid_variables, &
	326	ONLY: dx, dy
	327
[1]	328	USE indices
[1359]	329
[1429]	330	USE lpm_init_mod, &
[1359]	331	ONLY: lpm_init
[1320]	332
	333	USE kinds
[1496]	334
	335	USE land_surface_model_mod, &
[1817]	336	ONLY: lsm_init, lsm_init_arrays, land_surface
[1496]	337
[1241]	338	USE ls_forcing_mod
[1849]	339
	340	USE microphysics_mod, &
	341	ONLY: collision_turbulence, microphysics_init
	342
[1320]	343	USE model_1d, &
	344	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	345
[1783]	346	USE netcdf_interface, &
	347	ONLY: dots_max, dots_num
[1320]	348
	349	USE particle_attributes, &
	350	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	351
[1]	352	USE pegrid
[1320]	353
[1484]	354	USE plant_canopy_model_mod, &
[1826]	355	ONLY: pcm_init, plant_canopy
[1496]	356
	357	USE radiation_model_mod, &
[1826]	358	ONLY: radiation_init, radiation
[1484]	359
[1320]	360	USE random_function_mod
	361
[1400]	362	USE random_generator_parallel, &
	363	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	364	id_random_array, seq_random_array
	365
[1320]	366	USE statistics, &
[1738]	367	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	368	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	369	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	370	weight_pres, weight_substep
[1691]	371
	372	USE surface_layer_fluxes_mod, &
	373	ONLY: init_surface_layer_fluxes
	374
[2007]	375	USE transpose_indices
[1]	376
[2007]	377	USE urban_surface_mod, &
[2011]	378	ONLY: usm_init_urban_surface
[2007]	379
[1914]	380	USE wind_turbine_model_mod, &
	381	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	382
[1]	383	IMPLICIT NONE
	384
[1682]	385	INTEGER(iwp) :: i !<
	386	INTEGER(iwp) :: ind_array(1) !<
	387	INTEGER(iwp) :: j !<
	388	INTEGER(iwp) :: k !<
	389	INTEGER(iwp) :: sr !<
[1]	390
[1682]	391	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	392
[1682]	393	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	394	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	395
[1764]	396	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	397	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	398
[1738]	399	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	400	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	401	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	402
[485]	403
[1402]	404	CALL location_message( 'allocating arrays', .FALSE. )
[1]	405	!
	406	!-- Allocate arrays
[1788]	407	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	408	mean_surface_level_height_l(0:statistic_regions), &
	409	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	410	ngp_3d(0:statistic_regions), &
	411	ngp_3d_inner(0:statistic_regions), &
	412	ngp_3d_inner_l(0:statistic_regions), &
	413	ngp_3d_inner_tmp(0:statistic_regions), &
	414	sums_divnew_l(0:statistic_regions), &
[1]	415	sums_divold_l(0:statistic_regions) )
[1195]	416	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	417	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	418	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	419	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	420	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	421	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	422	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	423	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	424	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	425	sums_up_fraction_l(10,3,0:statistic_regions), &
	426	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	427	ts_value(dots_max,0:statistic_regions) )
[978]	428	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	429
[1788]	430	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	431	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	432	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	433	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	434	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
	435	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
[1]	436
[1788]	437	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	438	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	439	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	440	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	441	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	442
	443	#if defined( __nopointer )
[1788]	444	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	445	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	446	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	447	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	448	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	449	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	450	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	451	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	452	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	453	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	454	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	455	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	456	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	457	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	458	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	459	#else
[1788]	460	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	461	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	462	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	463	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	464	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	465	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	466	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	467	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	468	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	473	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	474	IF ( .NOT. neutral ) THEN
[1032]	475	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	476	ENDIF
[1010]	477	#endif
	478
[673]	479	!
[707]	480	!-- Following array is required for perturbation pressure within the iterative
	481	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	482	!-- the weighted average of the substeps and cannot be used in the Poisson
	483	!-- solver.
	484	IF ( psolver == 'sor' ) THEN
	485	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	486	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	487	!
	488	!-- For performance reasons, multigrid is using one ghost layer only
	489	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	490	ENDIF
[1]	491
[1111]	492	!
	493	!-- Array for storing constant coeffficients of the tridiagonal solver
	494	IF ( psolver == 'poisfft' ) THEN
[1212]	495	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	496	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	497	ENDIF
	498
[1960]	499	IF ( humidity ) THEN
[1]	500	!
[1960]	501	!-- 2D-humidity
[1788]	502	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	503	qsws(nysg:nyng,nxlg:nxrg), &
[1001]	504	qswst(nysg:nyng,nxlg:nxrg) )
[1]	505
	506	!
[1960]	507	!-- 3D-humidity
[1010]	508	#if defined( __nopointer )
[1788]	509	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	510	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	511	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	512	#else
[1788]	513	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	514	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	515	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	516	#endif
[1]	517
	518	!
[1960]	519	!-- 3D-arrays needed for humidity
[75]	520	IF ( humidity ) THEN
[1010]	521	#if defined( __nopointer )
	522	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	523	#else
[667]	524	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	525	#endif
[1]	526
[1788]	527	IF ( cloud_physics ) THEN
[1053]	528
[1]	529	!
	530	!-- Liquid water content
[1010]	531	#if defined( __nopointer )
	532	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	533	#else
[667]	534	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	535	#endif
[72]	536	!
	537	!-- Precipitation amount and rate (only needed if output is switched)
[1788]	538	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
[667]	539	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	540
	541	!
[1822]	542	!-- 3D-cloud water content
[1053]	543	#if defined( __nopointer )
[1822]	544	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	545	#else
[1822]	546	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	547	#endif
[1822]	548	!
	549	!-- 3d-precipitation rate
	550	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	551
[1822]	552	IF ( microphysics_seifert ) THEN
[1053]	553	!
[1822]	554	!-- 2D-rain water content and rain drop concentration arrays
	555	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	556	qrsws(nysg:nyng,nxlg:nxrg), &
	557	qrswst(nysg:nyng,nxlg:nxrg), &
	558	nrs(nysg:nyng,nxlg:nxrg), &
	559	nrsws(nysg:nyng,nxlg:nxrg), &
	560	nrswst(nysg:nyng,nxlg:nxrg) )
[1115]	561	!
[1822]	562	!-- 3D-rain water content, rain drop concentration arrays
[1115]	563	#if defined( __nopointer )
[1822]	564	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	565	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	566	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	567	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	568	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	569	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	570	#else
[1822]	571	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	572	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	573	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	574	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	575	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	576	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	577	#endif
[1822]	578	ENDIF
[1053]	579
[1]	580	ENDIF
	581
	582	IF ( cloud_droplets ) THEN
	583	!
[1010]	584	!-- Liquid water content, change in liquid water content
	585	#if defined( __nopointer )
[1788]	586	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	587	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	588	#else
[1788]	589	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	590	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	591	#endif
	592	!
	593	!-- Real volume of particles (with weighting), volume of particles
[1788]	594	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	595	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	596	ENDIF
	597
	598	ENDIF
	599
	600	ENDIF
[1960]	601
	602
	603	IF ( passive_scalar ) THEN
	604	!
	605	!-- 2D-scalar arrays
	606	ALLOCATE ( ss(nysg:nyng,nxlg:nxrg), &
	607	ssws(nysg:nyng,nxlg:nxrg), &
	608	sswst(nysg:nyng,nxlg:nxrg) )
[1]	609
[1960]	610	!
	611	!-- 3D scalar arrays
	612	#if defined( __nopointer )
	613	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	614	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	615	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	616	#else
	617	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	618	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	619	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	620	#endif
	621	ENDIF
	622
[94]	623	IF ( ocean ) THEN
[1788]	624	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
[1001]	625	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	626	#if defined( __nopointer )
[1788]	627	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[2031]	628	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1788]	629	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	630	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	631	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	632	#else
[1788]	633	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	634	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	635	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	636	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	637	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	638	prho => prho_1
[2031]	639	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
[388]	640	! density to be apointer
[1010]	641	#endif
[108]	642	IF ( humidity_remote ) THEN
[667]	643	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	644	qswst_remote = 0.0_wp
[108]	645	ENDIF
[94]	646	ENDIF
	647
[1]	648	!
	649	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	650	!-- particle velocities
[1831]	651	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence &
	652	.OR. num_acc_per_node > 0 ) THEN
[1153]	653	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	654	ENDIF
	655
	656	!
[1299]	657	!-- 1D-array for large scale subsidence velocity
[1361]	658	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	659	ALLOCATE ( w_subs(nzb:nzt+1) )
	660	w_subs = 0.0_wp
	661	ENDIF
[1299]	662
	663	!
[1400]	664	!-- ID-array and state-space-array for the parallel random number generator
	665	IF ( random_generator == 'random-parallel' ) THEN
	666	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	667	ALLOCATE ( id_random_array(0:ny,0:nx) )
	668	seq_random_array = 0
	669	id_random_array = 0
	670	ENDIF
	671
	672	!
[51]	673	!-- 4D-array for storing the Rif-values at vertical walls
	674	IF ( topography /= 'flat' ) THEN
[667]	675	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	676	rif_wall = 0.0_wp
[51]	677	ENDIF
	678
	679	!
[106]	680	!-- Arrays to store velocity data from t-dt and the phase speeds which
	681	!-- are needed for radiation boundary conditions
[73]	682	IF ( outflow_l ) THEN
[1788]	683	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	684	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	685	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	686	ENDIF
	687	IF ( outflow_r ) THEN
[1788]	688	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	689	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	690	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	691	ENDIF
[106]	692	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	693	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	694	c_w(nzb:nzt+1,nysg:nyng) )
[106]	695	ENDIF
[73]	696	IF ( outflow_s ) THEN
[1788]	697	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	698	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	699	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	700	ENDIF
	701	IF ( outflow_n ) THEN
[1788]	702	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	703	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	704	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	705	ENDIF
[106]	706	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	707	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	708	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	709	ENDIF
[996]	710	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	711	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	712	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	713	ENDIF
[73]	714
[978]	715
[1010]	716	#if ! defined( __nopointer )
[73]	717	!
[1]	718	!-- Initial assignment of the pointers
[1001]	719	e => e_1; e_p => e_2; te_m => e_3
[1032]	720	IF ( .NOT. neutral ) THEN
	721	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	722	ELSE
	723	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	724	ENDIF
[1001]	725	u => u_1; u_p => u_2; tu_m => u_3
	726	v => v_1; v_p => v_2; tv_m => v_3
	727	w => w_1; w_p => w_2; tw_m => w_3
[1]	728
[1960]	729	IF ( humidity ) THEN
[1001]	730	q => q_1; q_p => q_2; tq_m => q_3
[1053]	731	IF ( humidity ) THEN
	732	vpt => vpt_1
	733	IF ( cloud_physics ) THEN
	734	ql => ql_1
[1822]	735	qc => qc_1
	736	IF ( microphysics_seifert ) THEN
	737	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	738	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	739	ENDIF
	740	ENDIF
	741	ENDIF
[1001]	742	IF ( cloud_droplets ) THEN
	743	ql => ql_1
	744	ql_c => ql_2
[1]	745	ENDIF
[1001]	746	ENDIF
[1960]	747
	748	IF ( passive_scalar ) THEN
	749	s => s_1; s_p => s_2; ts_m => s_3
	750	ENDIF
[1]	751
[1001]	752	IF ( ocean ) THEN
	753	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	754	ENDIF
[1010]	755	#endif
[1]	756
	757	!
[1551]	758	!-- Allocate land surface model arrays
	759	IF ( land_surface ) THEN
[1817]	760	CALL lsm_init_arrays
[1551]	761	ENDIF
	762
	763	!
[1914]	764	!-- Allocate wind turbine model arrays
	765	IF ( wind_turbine ) THEN
	766	CALL wtm_init_arrays
	767	ENDIF
[1957]	768
	769	!
	770	!-- Initialize virtual flight measurements
	771	IF ( virtual_flight ) THEN
	772	CALL flight_init
	773	ENDIF
[1914]	774
	775	!
[709]	776	!-- Allocate arrays containing the RK coefficient for calculation of
	777	!-- perturbation pressure and turbulent fluxes. At this point values are
	778	!-- set for pressure calculation during initialization (where no timestep
	779	!-- is done). Further below the values needed within the timestep scheme
	780	!-- will be set.
[1788]	781	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	782	weight_pres(1:intermediate_timestep_count_max) )
[1340]	783	weight_substep = 1.0_wp
	784	weight_pres = 1.0_wp
[1918]	785	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	786
[1402]	787	CALL location_message( 'finished', .TRUE. )
[1918]	788
[673]	789	!
[1918]	790	!-- Initialize local summation arrays for routine flow_statistics.
	791	!-- This is necessary because they may not yet have been initialized when they
	792	!-- are called from flow_statistics (or - depending on the chosen model run -
	793	!-- are never initialized)
	794	sums_divnew_l = 0.0_wp
	795	sums_divold_l = 0.0_wp
	796	sums_l_l = 0.0_wp
	797	sums_up_fraction_l = 0.0_wp
	798	sums_wsts_bc_l = 0.0_wp
	799
	800
	801	!
[1]	802	!-- Initialize model variables
[1788]	803	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	804	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	805	!
	806	!-- First model run of a possible job queue.
	807	!-- Initial profiles of the variables must be computes.
	808	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	809
[1402]	810	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	811	!
	812	!-- Use solutions of the 1D model as initial profiles,
	813	!-- start 1D model
	814	CALL init_1d_model
	815	!
	816	!-- Transfer initial profiles to the arrays of the 3D model
[667]	817	DO i = nxlg, nxrg
	818	DO j = nysg, nyng
[1]	819	e(:,j,i) = e1d
	820	kh(:,j,i) = kh1d
	821	km(:,j,i) = km1d
	822	pt(:,j,i) = pt_init
	823	u(:,j,i) = u1d
	824	v(:,j,i) = v1d
	825	ENDDO
	826	ENDDO
	827
[1960]	828	IF ( humidity ) THEN
[667]	829	DO i = nxlg, nxrg
	830	DO j = nysg, nyng
[1]	831	q(:,j,i) = q_init
	832	ENDDO
	833	ENDDO
[1822]	834	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	835	DO i = nxlg, nxrg
	836	DO j = nysg, nyng
[1340]	837	qr(:,j,i) = 0.0_wp
	838	nr(:,j,i) = 0.0_wp
[1053]	839	ENDDO
	840	ENDDO
[1115]	841
[1053]	842	ENDIF
[1]	843	ENDIF
[1960]	844	IF ( passive_scalar ) THEN
	845	DO i = nxlg, nxrg
	846	DO j = nysg, nyng
	847	s(:,j,i) = s_init
	848	ENDDO
	849	ENDDO
	850	ENDIF
[1]	851
	852	IF ( .NOT. constant_diffusion ) THEN
[667]	853	DO i = nxlg, nxrg
	854	DO j = nysg, nyng
[1]	855	e(:,j,i) = e1d
	856	ENDDO
	857	ENDDO
	858	!
	859	!-- Store initial profiles for output purposes etc.
	860	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	861
[1691]	862	IF ( constant_flux_layer ) THEN
[1707]	863	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	864	ts = 0.0_wp ! could actually be computed more accurately in the
	865	! 1D model. Update when opportunity arises.
[1]	866	us = us1d
	867	usws = usws1d
	868	vsws = vsws1d
	869	ELSE
[1340]	870	ts = 0.0_wp ! must be set, because used in
[1691]	871	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	872	us = 0.0_wp
	873	usws = 0.0_wp
	874	vsws = 0.0_wp
[1]	875	ENDIF
	876
	877	ELSE
[1340]	878	e = 0.0_wp ! must be set, because used in
[1691]	879	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	880	ts = 0.0_wp
	881	us = 0.0_wp
	882	usws = 0.0_wp
	883	vsws = 0.0_wp
[1]	884	ENDIF
[102]	885	uswst = top_momentumflux_u
	886	vswst = top_momentumflux_v
[1]	887
	888	!
	889	!-- In every case qs = 0.0 (see also pt)
	890	!-- This could actually be computed more accurately in the 1D model.
	891	!-- Update when opportunity arises!
[1960]	892	IF ( humidity ) THEN
[1340]	893	qs = 0.0_wp
[1822]	894	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	895	qrs = 0.0_wp
	896	nrs = 0.0_wp
[1053]	897	ENDIF
	898	ENDIF
[1960]	899	!
	900	!-- Initialize scaling parameter for passive scalar
	901	IF ( passive_scalar ) ss = 0.0_wp
[1]	902
	903	!
[1762]	904	!-- Inside buildings set velocities back to zero
[1]	905	IF ( topography /= 'flat' ) THEN
[1762]	906	DO i = nxlg, nxrg
	907	DO j = nysg, nyng
[1340]	908	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	909	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	910	ENDDO
	911	ENDDO
[667]	912
[1]	913	!
	914	!-- WARNING: The extra boundary conditions set after running the
	915	!-- ------- 1D model impose an error on the divergence one layer
	916	!-- below the topography; need to correct later
	917	!-- ATTENTION: Provisional correction for Piacsek & Williams
	918	!-- --------- advection scheme: keep u and v zero one layer below
	919	!-- the topography.
[667]	920	IF ( ibc_uv_b == 1 ) THEN
	921	!
[1]	922	!-- Neumann condition
	923	DO i = nxl-1, nxr+1
	924	DO j = nys-1, nyn+1
	925	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	926	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	927	ENDDO
	928	ENDDO
	929
	930	ENDIF
	931
	932	ENDIF
	933
[1402]	934	CALL location_message( 'finished', .TRUE. )
[1384]	935
[1788]	936	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	937	THEN
[1241]	938
[1402]	939	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	940	!
[1241]	941	!-- Overwrite initial profiles in case of nudging
[1788]	942	IF ( nudging ) THEN
[1241]	943	pt_init = ptnudge(:,1)
	944	u_init = unudge(:,1)
	945	v_init = vnudge(:,1)
[1960]	946	IF ( humidity ) THEN ! is passive_scalar correct???
[1241]	947	q_init = qnudge(:,1)
	948	ENDIF
	949
[1788]	950	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	951	'scalars from NUDGING_DATA are used.'
	952	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	953	ENDIF
	954
	955	!
[1]	956	!-- Use constructed initial profiles (velocity constant with height,
	957	!-- temperature profile with constant gradient)
[667]	958	DO i = nxlg, nxrg
	959	DO j = nysg, nyng
[1]	960	pt(:,j,i) = pt_init
	961	u(:,j,i) = u_init
	962	v(:,j,i) = v_init
	963	ENDDO
	964	ENDDO
[75]	965
[1]	966	!
[292]	967	!-- Set initial horizontal velocities at the lowest computational grid
	968	!-- levels to zero in order to avoid too small time steps caused by the
	969	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	970	!-- in the limiting formula!).
	971	IF ( ibc_uv_b /= 1 ) THEN
	972	DO i = nxlg, nxrg
	973	DO j = nysg, nyng
	974	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	975	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	976	ENDDO
	977	ENDDO
	978	ENDIF
[1]	979
[1960]	980	IF ( humidity ) THEN
[667]	981	DO i = nxlg, nxrg
	982	DO j = nysg, nyng
[1]	983	q(:,j,i) = q_init
	984	ENDDO
	985	ENDDO
[1822]	986	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	987
[1822]	988	DO i = nxlg, nxrg
	989	DO j = nysg, nyng
	990	qr(:,j,i) = 0.0_wp
	991	nr(:,j,i) = 0.0_wp
[1053]	992	ENDDO
[1822]	993	ENDDO
[1115]	994
[1053]	995	ENDIF
[1]	996	ENDIF
[1960]	997
	998	IF ( passive_scalar ) THEN
	999	DO i = nxlg, nxrg
	1000	DO j = nysg, nyng
	1001	s(:,j,i) = s_init
	1002	ENDDO
	1003	ENDDO
	1004	ENDIF
[1]	1005
[94]	1006	IF ( ocean ) THEN
[667]	1007	DO i = nxlg, nxrg
	1008	DO j = nysg, nyng
[94]	1009	sa(:,j,i) = sa_init
	1010	ENDDO
	1011	ENDDO
	1012	ENDIF
[1]	1013
	1014	IF ( constant_diffusion ) THEN
	1015	km = km_constant
	1016	kh = km / prandtl_number
[1340]	1017	e = 0.0_wp
	1018	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	1019	DO k = nzb+1, nzt
[1340]	1020	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	1021	ENDDO
	1022	km(nzb,:,:) = km(nzb+1,:,:)
	1023	km(nzt+1,:,:) = km(nzt,:,:)
	1024	kh = km / prandtl_number
	1025	e = e_init
[1]	1026	ELSE
[108]	1027	IF ( .NOT. ocean ) THEN
[1340]	1028	kh = 0.01_wp ! there must exist an initial diffusion, because
	1029	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	1030	! production terms, as long as not yet
	1031	! e = (u/cm)*2 at k=nzb+1
	1032	ELSE
[1340]	1033	kh = 0.00001_wp
	1034	km = 0.00001_wp
[108]	1035	ENDIF
[1340]	1036	e = 0.0_wp
[1]	1037	ENDIF
[1691]	1038	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	1039	ts = 0.0_wp
[1920]	1040	!
	1041	!-- Very small number is required for calculation of Obukhov length
	1042	!-- at first timestep
	1043	us = 1E-30_wp
[1340]	1044	usws = 0.0_wp
[102]	1045	uswst = top_momentumflux_u
[1340]	1046	vsws = 0.0_wp
[102]	1047	vswst = top_momentumflux_v
[1960]	1048	IF ( humidity ) qs = 0.0_wp
	1049	IF ( passive_scalar ) ss = 0.0_wp
[1]	1050
	1051	!
	1052	!-- Compute initial temperature field and other constants used in case
	1053	!-- of a sloping surface
	1054	IF ( sloping_surface ) CALL init_slope
	1055
[1402]	1056	CALL location_message( 'finished', .TRUE. )
[1384]	1057
[1788]	1058	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	1059	THEN
[1384]	1060
[1402]	1061	CALL location_message( 'initializing by user', .FALSE. )
[46]	1062	!
	1063	!-- Initialization will completely be done by the user
	1064	CALL user_init_3d_model
	1065
[1402]	1066	CALL location_message( 'finished', .TRUE. )
[1384]	1067
[1]	1068	ENDIF
[1384]	1069
[1402]	1070	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	1071	.FALSE. )
[1384]	1072
[667]	1073	!
	1074	!-- Bottom boundary
	1075	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	1076	u(nzb,:,:) = 0.0_wp
	1077	v(nzb,:,:) = 0.0_wp
[667]	1078	ENDIF
[1]	1079
	1080	!
[151]	1081	!-- Apply channel flow boundary condition
[132]	1082	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	1083	u(nzt+1,:,:) = 0.0_wp
	1084	v(nzt+1,:,:) = 0.0_wp
[132]	1085	ENDIF
	1086
	1087	!
[1]	1088	!-- Calculate virtual potential temperature
[1960]	1089	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1090
	1091	!
	1092	!-- Store initial profiles for output purposes etc.
	1093	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1094	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1095	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1096	hom(nzb,1,5,:) = 0.0_wp
	1097	hom(nzb,1,6,:) = 0.0_wp
[1]	1098	ENDIF
	1099	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1100	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1101	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1102
[97]	1103	IF ( ocean ) THEN
	1104	!
	1105	!-- Store initial salinity profile
	1106	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1107	ENDIF
[1]	1108
[75]	1109	IF ( humidity ) THEN
[1]	1110	!
	1111	!-- Store initial profile of total water content, virtual potential
	1112	!-- temperature
	1113	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1114	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1115	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1116	!
	1117	!-- Store initial profile of specific humidity and potential
	1118	!-- temperature
	1119	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1120	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1121	ENDIF
	1122	ENDIF
	1123
	1124	IF ( passive_scalar ) THEN
	1125	!
	1126	!-- Store initial scalar profile
[1960]	1127	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
[1]	1128	ENDIF
	1129
	1130	!
[1400]	1131	!-- Initialize the random number generators (from numerical recipes)
	1132	CALL random_function_ini
[1429]	1133
[1400]	1134	IF ( random_generator == 'random-parallel' ) THEN
[1429]	1135	!-- Asigning an ID to every vertical gridpoint column
	1136	!-- dependig on the ensemble run number.
	1137	random_dummy=1
[1400]	1138	DO j=0,ny
	1139	DO i=0,nx
[1788]	1140	id_random_array(j,i) = random_dummy + 1E6 &
	1141	* ( ensemble_member_nr - 1000 )
[1429]	1142	random_dummy = random_dummy + 1
[1400]	1143	END DO
	1144	ENDDO
[1429]	1145	!-- Initializing with random_seed_parallel for every vertical
	1146	!-- gridpoint column.
	1147	random_dummy=0
[1400]	1148	DO j = nysg, nyng
	1149	DO i = nxlg, nxrg
	1150	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	1151	CALL random_number_parallel (random_dummy)
	1152	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	1153	END DO
	1154	ENDDO
	1155	ENDIF
	1156
	1157	!
[19]	1158	!-- Initialize fluxes at bottom surface
[1]	1159	IF ( use_surface_fluxes ) THEN
	1160
	1161	IF ( constant_heatflux ) THEN
	1162	!
	1163	!-- Heat flux is prescribed
	1164	IF ( random_heatflux ) THEN
	1165	CALL disturb_heatflux
	1166	ELSE
	1167	shf = surface_heatflux
	1168	!
[1241]	1169	!-- Initialize shf with data from external file LSF_DATA
[1788]	1170	IF ( large_scale_forcing .AND. lsf_surf ) THEN
[1241]	1171	CALL ls_forcing_surf ( simulated_time )
	1172	ENDIF
	1173
	1174	!
[1]	1175	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1176	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1177	DO i = nxlg, nxrg
	1178	DO j = nysg, nyng
[1]	1179	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1180	shf(j,i) = wall_heatflux(0)
	1181	ENDIF
	1182	ENDDO
	1183	ENDDO
	1184	ENDIF
	1185	ENDIF
	1186	ENDIF
	1187
	1188	!
	1189	!-- Determine the near-surface water flux
[1960]	1190	IF ( humidity ) THEN
[1822]	1191	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1192	qrsws = 0.0_wp
	1193	nrsws = 0.0_wp
[1053]	1194	ENDIF
[1]	1195	IF ( constant_waterflux ) THEN
	1196	qsws = surface_waterflux
[407]	1197	!
	1198	!-- Over topography surface_waterflux is replaced by
	1199	!-- wall_humidityflux(0)
	1200	IF ( TRIM( topography ) /= 'flat' ) THEN
	1201	wall_qflux = wall_humidityflux
[667]	1202	DO i = nxlg, nxrg
	1203	DO j = nysg, nyng
[407]	1204	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1205	qsws(j,i) = wall_qflux(0)
	1206	ENDIF
	1207	ENDDO
	1208	ENDDO
	1209	ENDIF
[1]	1210	ENDIF
	1211	ENDIF
[1960]	1212	!
	1213	!-- Initialize the near-surface scalar flux
	1214	IF ( passive_scalar ) THEN
	1215	IF ( constant_scalarflux ) THEN
	1216	ssws = surface_scalarflux
	1217	!
	1218	!-- Over topography surface_scalarflux is replaced by
	1219	!-- wall_scalarflux(0)
	1220	IF ( TRIM( topography ) /= 'flat' ) THEN
	1221	wall_sflux = wall_scalarflux
	1222	DO i = nxlg, nxrg
	1223	DO j = nysg, nyng
	1224	IF ( nzb_s_inner(j,i) /= 0 ) ssws(j,i) = wall_sflux(0)
	1225	ENDDO
	1226	ENDDO
	1227	ENDIF
	1228	ENDIF
[1992]	1229	ENDIF
	1230	!
	1231	!-- Initialize near-surface salinity flux
	1232	IF ( ocean ) saswsb = bottom_salinityflux
[1]	1233
	1234	ENDIF
	1235
	1236	!
[19]	1237	!-- Initialize fluxes at top surface
[94]	1238	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1239	!-- The latent flux is zero in this case!
[19]	1240	IF ( use_top_fluxes ) THEN
	1241	!
[1992]	1242	!-- Prescribe to heat flux
	1243	IF ( constant_top_heatflux ) tswst = top_heatflux
	1244	!
	1245	!-- Prescribe zero latent flux at the top
	1246	IF ( humidity ) THEN
	1247	qswst = 0.0_wp
	1248	IF ( cloud_physics .AND. microphysics_seifert ) THEN
	1249	nrswst = 0.0_wp
	1250	qrswst = 0.0_wp
[1053]	1251	ENDIF
[102]	1252	ENDIF
	1253	!
[1992]	1254	!-- Prescribe top scalar flux
	1255	IF ( passive_scalar .AND. constant_top_scalarflux ) &
	1256	sswst = top_scalarflux
	1257	!
	1258	!-- Prescribe top salinity flux
	1259	IF ( ocean .AND. constant_top_salinityflux) &
	1260	saswst = top_salinityflux
	1261	!
[102]	1262	!-- Initialization in case of a coupled model run
	1263	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1264	tswst = 0.0_wp
[102]	1265	ENDIF
	1266
[19]	1267	ENDIF
	1268
	1269	!
[1]	1270	!-- Initialize Prandtl layer quantities
[1691]	1271	IF ( constant_flux_layer ) THEN
[1]	1272
	1273	z0 = roughness_length
[978]	1274	z0h = z0h_factor * z0
[1788]	1275	z0q = z0h_factor * z0
[1]	1276
	1277	IF ( .NOT. constant_heatflux ) THEN
	1278	!
	1279	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1280	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1281	!-- to be computed by iteration. This is why the heat flux is assumed
	1282	!-- to be zero before the first time step. It approaches its correct
	1283	!-- value in the course of the first few time steps.
[1340]	1284	shf = 0.0_wp
[1]	1285	ENDIF
	1286
[1960]	1287	IF ( humidity ) THEN
[1788]	1288	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1822]	1289	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1290	qrsws = 0.0_wp
	1291	nrsws = 0.0_wp
[1053]	1292	ENDIF
[1]	1293	ENDIF
[1960]	1294	IF ( passive_scalar .AND. .NOT. constant_scalarflux ) ssws = 0.0_wp
[1]	1295
	1296	ENDIF
	1297
[1179]	1298	!
	1299	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1300	!-- the reference state will be set (overwritten) in init_ocean)
	1301	IF ( use_single_reference_value ) THEN
[1788]	1302	IF ( .NOT. humidity ) THEN
[1179]	1303	ref_state(:) = pt_reference
	1304	ELSE
	1305	ref_state(:) = vpt_reference
	1306	ENDIF
	1307	ELSE
[1788]	1308	IF ( .NOT. humidity ) THEN
[1179]	1309	ref_state(:) = pt_init(:)
	1310	ELSE
	1311	ref_state(:) = vpt(:,nys,nxl)
	1312	ENDIF
	1313	ENDIF
[152]	1314
	1315	!
[707]	1316	!-- For the moment, vertical velocity is zero
[1340]	1317	w = 0.0_wp
[1]	1318
	1319	!
	1320	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1321	sums = 0.0_wp
[1]	1322
	1323	!
[707]	1324	!-- In case of iterative solvers, p must get an initial value
[1575]	1325	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1326
	1327	!
[72]	1328	!-- Treating cloud physics, liquid water content and precipitation amount
	1329	!-- are zero at beginning of the simulation
	1330	IF ( cloud_physics ) THEN
[1340]	1331	ql = 0.0_wp
[1822]	1332	qc = 0.0_wp
	1333
	1334	precipitation_amount = 0.0_wp
[72]	1335	ENDIF
[673]	1336	!
[1]	1337	!-- Impose vortex with vertical axis on the initial velocity profile
	1338	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1339	CALL init_rankine
	1340	ENDIF
	1341
	1342	!
	1343	!-- Impose temperature anomaly (advection test only)
	1344	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1345	CALL init_pt_anomaly
	1346	ENDIF
	1347
	1348	!
	1349	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1350	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1351	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1352	ENDIF
	1353
	1354	!
	1355	!-- If required, change the surface humidity/scalar at the start of the 3D
	1356	!-- run
[1960]	1357	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
[1]	1358	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
[1960]	1359
	1360	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
	1361	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
	1362
[1]	1363
	1364	!
	1365	!-- Initialize old and new time levels.
[1340]	1366	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]	1367	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1368
[1960]	1369	IF ( humidity ) THEN
[1340]	1370	tq_m = 0.0_wp
[1]	1371	q_p = q
[1822]	1372	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1373	tqr_m = 0.0_wp
[1822]	1374	qr_p = qr
[1340]	1375	tnr_m = 0.0_wp
[1822]	1376	nr_p = nr
[1053]	1377	ENDIF
[1]	1378	ENDIF
[1960]	1379
	1380	IF ( passive_scalar ) THEN
	1381	ts_m = 0.0_wp
	1382	s_p = s
	1383	ENDIF
[1]	1384
[94]	1385	IF ( ocean ) THEN
[1340]	1386	tsa_m = 0.0_wp
[94]	1387	sa_p = sa
	1388	ENDIF
[667]	1389
[1402]	1390	CALL location_message( 'finished', .TRUE. )
[94]	1391
[1788]	1392	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
	1393	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1394	THEN
[1384]	1395
[1402]	1396	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1397	.FALSE. )
[1]	1398	!
[767]	1399	!-- When reading data for cyclic fill of 3D prerun data files, read
	1400	!-- some of the global variables from the restart file which are required
	1401	!-- for initializing the inflow
[328]	1402	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1403
[759]	1404	DO i = 0, io_blocks-1
	1405	IF ( i == io_group ) THEN
	1406	CALL read_parts_of_var_list
	1407	CALL close_file( 13 )
	1408	ENDIF
	1409	#if defined( __parallel )
	1410	CALL MPI_BARRIER( comm2d, ierr )
	1411	#endif
	1412	ENDDO
[328]	1413
[767]	1414	ENDIF
	1415
[151]	1416	!
[767]	1417	!-- Read binary data from restart file
	1418	DO i = 0, io_blocks-1
	1419	IF ( i == io_group ) THEN
	1420	CALL read_3d_binary
	1421	ENDIF
	1422	#if defined( __parallel )
	1423	CALL MPI_BARRIER( comm2d, ierr )
	1424	#endif
	1425	ENDDO
	1426
[328]	1427	!
[767]	1428	!-- Initialization of the turbulence recycling method
[1788]	1429	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1430	turbulent_inflow ) THEN
	1431	!
	1432	!-- First store the profiles to be used at the inflow.
	1433	!-- These profiles are the (temporally) and horizontally averaged vertical
	1434	!-- profiles from the prerun. Alternatively, prescribed profiles
	1435	!-- for u,v-components can be used.
[1960]	1436	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
[151]	1437
[767]	1438	IF ( use_prescribed_profile_data ) THEN
	1439	mean_inflow_profiles(:,1) = u_init ! u
	1440	mean_inflow_profiles(:,2) = v_init ! v
	1441	ELSE
[328]	1442	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1443	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1444	ENDIF
	1445	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1446	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1960]	1447	IF ( humidity ) &
	1448	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
	1449	IF ( passive_scalar ) &
	1450	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
[151]	1451
	1452	!
[767]	1453	!-- If necessary, adjust the horizontal flow field to the prescribed
	1454	!-- profiles
	1455	IF ( use_prescribed_profile_data ) THEN
	1456	DO i = nxlg, nxrg
[667]	1457	DO j = nysg, nyng
[328]	1458	DO k = nzb, nzt+1
[767]	1459	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1460	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1461	ENDDO
[151]	1462	ENDDO
[767]	1463	ENDDO
	1464	ENDIF
[151]	1465
	1466	!
[767]	1467	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1468	!-- conditions are used)
	1469	IF ( inflow_l ) THEN
	1470	DO j = nysg, nyng
	1471	DO k = nzb, nzt+1
	1472	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1473	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1474	w(k,j,nxlg:-1) = 0.0_wp
[767]	1475	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1476	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1960]	1477	IF ( humidity ) &
[1615]	1478	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[1960]	1479	IF ( passive_scalar ) &
	1480	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
[767]	1481	ENDDO
	1482	ENDDO
	1483	ENDIF
	1484
[151]	1485	!
[767]	1486	!-- Calculate the damping factors to be used at the inflow. For a
	1487	!-- turbulent inflow the turbulent fluctuations have to be limited
	1488	!-- vertically because otherwise the turbulent inflow layer will grow
	1489	!-- in time.
[1340]	1490	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1491	!
	1492	!-- Default: use the inversion height calculated by the prerun; if
	1493	!-- this is zero, inflow_damping_height must be explicitly
	1494	!-- specified.
[1340]	1495	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1496	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1497	ELSE
[1788]	1498	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1499	'explicitly specified because&the inversion height ', &
[767]	1500	'calculated by the prerun is zero.'
	1501	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1502	ENDIF
[151]	1503
[767]	1504	ENDIF
	1505
[1340]	1506	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1507	!
[767]	1508	!-- Default for the transition range: one tenth of the undamped
	1509	!-- layer
[1340]	1510	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1511
[767]	1512	ENDIF
[151]	1513
[767]	1514	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1515
[767]	1516	DO k = nzb, nzt+1
[151]	1517
[767]	1518	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1519	inflow_damping_factor(k) = 1.0_wp
[996]	1520	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1521	inflow_damping_factor(k) = 1.0_wp - &
[996]	1522	( zu(k) - inflow_damping_height ) / &
	1523	inflow_damping_width
[767]	1524	ELSE
[1340]	1525	inflow_damping_factor(k) = 0.0_wp
[767]	1526	ENDIF
[151]	1527
[767]	1528	ENDDO
[151]	1529
[147]	1530	ENDIF
	1531
[152]	1532	!
[359]	1533	!-- Inside buildings set velocities and TKE back to zero
[1788]	1534	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1535	topography /= 'flat' ) THEN
	1536	!
	1537	!-- Inside buildings set velocities and TKE back to zero.
	1538	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1539	!-- maybe revise later.
[1001]	1540	DO i = nxlg, nxrg
	1541	DO j = nysg, nyng
[1340]	1542	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1543	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1544	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1545	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1546	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1547	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1548	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1549	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1550	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1551	ENDDO
[1001]	1552	ENDDO
[359]	1553
	1554	ENDIF
	1555
	1556	!
[1]	1557	!-- Calculate initial temperature field and other constants used in case
	1558	!-- of a sloping surface
	1559	IF ( sloping_surface ) CALL init_slope
	1560
	1561	!
	1562	!-- Initialize new time levels (only done in order to set boundary values
	1563	!-- including ghost points)
	1564	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1960]	1565	IF ( humidity ) THEN
[1053]	1566	q_p = q
[1822]	1567	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1568	qr_p = qr
	1569	nr_p = nr
	1570	ENDIF
	1571	ENDIF
[1960]	1572	IF ( passive_scalar ) s_p = s
	1573	IF ( ocean ) sa_p = sa
[1]	1574
[181]	1575	!
	1576	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1577	!-- have to be predefined here because they are used (but multiplied with 0)
	1578	!-- there before they are set.
[1340]	1579	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]	1580	IF ( humidity ) THEN
[1340]	1581	tq_m = 0.0_wp
[1822]	1582	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1583	tqr_m = 0.0_wp
	1584	tnr_m = 0.0_wp
[1053]	1585	ENDIF
	1586	ENDIF
[1960]	1587	IF ( passive_scalar ) ts_m = 0.0_wp
	1588	IF ( ocean ) tsa_m = 0.0_wp
[181]	1589
[1402]	1590	CALL location_message( 'finished', .TRUE. )
[1384]	1591
[1]	1592	ELSE
	1593	!
	1594	!-- Actually this part of the programm should not be reached
[254]	1595	message_string = 'unknown initializing problem'
	1596	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1597	ENDIF
	1598
[151]	1599
	1600	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1601	!
[151]	1602	!-- Initialize old timelevels needed for radiation boundary conditions
	1603	IF ( outflow_l ) THEN
	1604	u_m_l(:,:,:) = u(:,:,1:2)
	1605	v_m_l(:,:,:) = v(:,:,0:1)
	1606	w_m_l(:,:,:) = w(:,:,0:1)
	1607	ENDIF
	1608	IF ( outflow_r ) THEN
	1609	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1610	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1611	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1612	ENDIF
	1613	IF ( outflow_s ) THEN
	1614	u_m_s(:,:,:) = u(:,0:1,:)
	1615	v_m_s(:,:,:) = v(:,1:2,:)
	1616	w_m_s(:,:,:) = w(:,0:1,:)
	1617	ENDIF
	1618	IF ( outflow_n ) THEN
	1619	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1620	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1621	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1622	ENDIF
[667]	1623
[151]	1624	ENDIF
[680]	1625
[667]	1626	!
	1627	!-- Calculate the initial volume flow at the right and north boundary
[709]	1628	IF ( conserve_volume_flow ) THEN
[151]	1629
[767]	1630	IF ( use_prescribed_profile_data ) THEN
[667]	1631
[1340]	1632	volume_flow_initial_l = 0.0_wp
	1633	volume_flow_area_l = 0.0_wp
[732]	1634
[667]	1635	IF ( nxr == nx ) THEN
	1636	DO j = nys, nyn
[1845]	1637	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1638	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1639	u_init(k) * dzw(k)
	1640	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1641	ENDDO
	1642	ENDDO
	1643	ENDIF
	1644
	1645	IF ( nyn == ny ) THEN
	1646	DO i = nxl, nxr
[1845]	1647	DO k = nzb_v_inner(ny,i)+1, nzt
[767]	1648	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1649	v_init(k) * dzw(k)
	1650	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1651	ENDDO
	1652	ENDDO
	1653	ENDIF
	1654
	1655	#if defined( __parallel )
	1656	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1657	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1658	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1659	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1660
	1661	#else
	1662	volume_flow_initial = volume_flow_initial_l
	1663	volume_flow_area = volume_flow_area_l
	1664	#endif
	1665
	1666	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1667
[1340]	1668	volume_flow_initial_l = 0.0_wp
	1669	volume_flow_area_l = 0.0_wp
[767]	1670
	1671	IF ( nxr == nx ) THEN
	1672	DO j = nys, nyn
[1845]	1673	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1674	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1675	hom_sum(k,1,0) * dzw(k)
	1676	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1677	ENDDO
	1678	ENDDO
	1679	ENDIF
	1680
	1681	IF ( nyn == ny ) THEN
	1682	DO i = nxl, nxr
[1845]	1683	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1684	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1685	hom_sum(k,2,0) * dzw(k)
[667]	1686	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1687	ENDDO
	1688	ENDDO
	1689	ENDIF
	1690
[732]	1691	#if defined( __parallel )
	1692	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1693	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1694	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1695	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1696
	1697	#else
	1698	volume_flow_initial = volume_flow_initial_l
	1699	volume_flow_area = volume_flow_area_l
	1700	#endif
	1701
[667]	1702	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1703
[1340]	1704	volume_flow_initial_l = 0.0_wp
	1705	volume_flow_area_l = 0.0_wp
[732]	1706
[667]	1707	IF ( nxr == nx ) THEN
	1708	DO j = nys, nyn
[1845]	1709	DO k = nzb_u_inner(j,nx)+1, nzt
[667]	1710	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1711	u(k,j,nx) * dzw(k)
[667]	1712	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1713	ENDDO
	1714	ENDDO
	1715	ENDIF
	1716
	1717	IF ( nyn == ny ) THEN
	1718	DO i = nxl, nxr
[1845]	1719	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1720	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[667]	1721	v(k,ny,i) * dzw(k)
	1722	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1723	ENDDO
	1724	ENDDO
	1725	ENDIF
	1726
	1727	#if defined( __parallel )
[732]	1728	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1729	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1730	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1731	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1732
	1733	#else
[732]	1734	volume_flow_initial = volume_flow_initial_l
	1735	volume_flow_area = volume_flow_area_l
[667]	1736	#endif
	1737
[732]	1738	ENDIF
	1739
[151]	1740	!
[709]	1741	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1742	!-- from u\|v_bulk instead
[680]	1743	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1744	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1745	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1746	ENDIF
[667]	1747
[680]	1748	ENDIF
	1749
[787]	1750	!
	1751	!-- Initialize quantities for special advections schemes
	1752	CALL init_advec
[680]	1753
[667]	1754	!
[680]	1755	!-- Impose random perturbation on the horizontal velocity field and then
	1756	!-- remove the divergences from the velocity field at the initial stage
[1788]	1757	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1758	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1759	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1760
[1402]	1761	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1762	CALL disturb_field( nzb_u_inner, tend, u )
	1763	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1764	CALL location_message( 'finished', .TRUE. )
[1384]	1765
[1402]	1766	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1767	n_sor = nsor_ini
[1221]	1768	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1769	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1770	!$acc copyin( weight_pres, weight_substep ) &
	1771	!$acc copy( tri, tric, u, v, w )
[680]	1772	CALL pres
[1111]	1773	!$acc end data
[680]	1774	n_sor = nsor
[1402]	1775	CALL location_message( 'finished', .TRUE. )
[1384]	1776
[680]	1777	ENDIF
	1778
	1779	!
[1484]	1780	!-- If required, initialize quantities needed for the plant canopy model
[2007]	1781	IF ( plant_canopy ) THEN
	1782	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1783	CALL pcm_init
	1784	CALL location_message( 'finished', .TRUE. )
	1785	ENDIF
[138]	1786
	1787	!
[1]	1788	!-- If required, initialize dvrp-software
[1340]	1789	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1790
[96]	1791	IF ( ocean ) THEN
[1]	1792	!
[96]	1793	!-- Initialize quantities needed for the ocean model
	1794	CALL init_ocean
[388]	1795
[96]	1796	ELSE
	1797	!
	1798	!-- Initialize quantities for handling cloud physics
[849]	1799	!-- This routine must be called before lpm_init, because
[96]	1800	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1801	!-- lpm_init) is not defined.
[96]	1802	CALL init_cloud_physics
[1849]	1803	!
	1804	!-- Initialize bulk cloud microphysics
	1805	CALL microphysics_init
[96]	1806	ENDIF
[1]	1807
	1808	!
	1809	!-- If required, initialize particles
[849]	1810	IF ( particle_advection ) CALL lpm_init
[1]	1811
[1585]	1812	!
	1813	!-- If required, initialize quantities needed for the LSM
	1814	IF ( land_surface ) THEN
	1815	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1816	CALL lsm_init
[1585]	1817	CALL location_message( 'finished', .TRUE. )
	1818	ENDIF
[1496]	1819
[1]	1820	!
[1691]	1821	!-- Initialize surface layer (done after LSM as roughness length are required
	1822	!-- for initialization
	1823	IF ( constant_flux_layer ) THEN
	1824	CALL location_message( 'initializing surface layer', .FALSE. )
	1825	CALL init_surface_layer_fluxes
	1826	CALL location_message( 'finished', .TRUE. )
	1827	ENDIF
	1828
	1829	!
[1496]	1830	!-- If required, initialize radiation model
	1831	IF ( radiation ) THEN
[1585]	1832	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1833	CALL radiation_init
[1585]	1834	CALL location_message( 'finished', .TRUE. )
[1496]	1835	ENDIF
[2007]	1836
[1914]	1837	!
[2007]	1838	!-- If required, initialize urban surface model
	1839	IF ( urban_surface ) THEN
	1840	CALL location_message( 'initializing urban surface model', .FALSE. )
	1841	CALL usm_init_urban_surface
	1842	CALL location_message( 'finished', .TRUE. )
	1843	ENDIF
	1844
	1845	!
[1914]	1846	!-- If required, initialize quantities needed for the wind turbine model
	1847	IF ( wind_turbine ) THEN
	1848	CALL location_message( 'initializing wind turbine model', .FALSE. )
	1849	CALL wtm_init
	1850	CALL location_message( 'finished', .TRUE. )
	1851	ENDIF
[1496]	1852
[1914]	1853
[1496]	1854	!
[673]	1855	!-- Initialize the ws-scheme.
	1856	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1857
	1858	!
[709]	1859	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	1860	!-- and turbulent quantities from the RK substeps
[709]	1861	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1862
[1322]	1863	weight_substep(1) = 1._wp/6._wp
	1864	weight_substep(2) = 3._wp/10._wp
	1865	weight_substep(3) = 8._wp/15._wp
[709]	1866
[1322]	1867	weight_pres(1) = 1._wp/3._wp
	1868	weight_pres(2) = 5._wp/12._wp
	1869	weight_pres(3) = 1._wp/4._wp
[709]	1870
	1871	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1872
[1322]	1873	weight_substep(1) = 1._wp/2._wp
	1874	weight_substep(2) = 1._wp/2._wp
[673]	1875
[1322]	1876	weight_pres(1) = 1._wp/2._wp
	1877	weight_pres(2) = 1._wp/2._wp
[709]	1878
[1001]	1879	ELSE ! for Euler-method
[709]	1880
[1340]	1881	weight_substep(1) = 1.0_wp
	1882	weight_pres(1) = 1.0_wp
[709]	1883
[673]	1884	ENDIF
	1885
	1886	!
[1]	1887	!-- Initialize Rayleigh damping factors
[1340]	1888	rdf = 0.0_wp
	1889	rdf_sc = 0.0_wp
	1890	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	1891	IF ( .NOT. ocean ) THEN
[108]	1892	DO k = nzb+1, nzt
	1893	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	1894	rdf(k) = rayleigh_damping_factor * &
[1340]	1895	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	1896	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	1897	)**2
[108]	1898	ENDIF
	1899	ENDDO
	1900	ELSE
	1901	DO k = nzt, nzb+1, -1
	1902	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	1903	rdf(k) = rayleigh_damping_factor * &
[1340]	1904	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	1905	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	1906	)**2
	1907	ENDIF
	1908	ENDDO
	1909	ENDIF
[1]	1910	ENDIF
[785]	1911	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1912
	1913	!
[240]	1914	!-- Initialize the starting level and the vertical smoothing factor used for
	1915	!-- the external pressure gradient
[1340]	1916	dp_smooth_factor = 1.0_wp
[240]	1917	IF ( dp_external ) THEN
	1918	!
	1919	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1920	!-- (e.g. in init_grid).
	1921	IF ( dp_level_ind_b == 0 ) THEN
	1922	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1923	dp_level_ind_b = ind_array(1) - 1 + nzb
	1924	! MINLOC uses lower array bound 1
	1925	ENDIF
	1926	IF ( dp_smooth ) THEN
[1340]	1927	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1928	DO k = dp_level_ind_b+1, nzt
[1340]	1929	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1930	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1931	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1932	ENDDO
	1933	ENDIF
	1934	ENDIF
	1935
	1936	!
[978]	1937	!-- Initialize damping zone for the potential temperature in case of
	1938	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1939	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1940	ptdf_x = 0.0_wp
	1941	ptdf_y = 0.0_wp
[1159]	1942	IF ( bc_lr_dirrad ) THEN
[996]	1943	DO i = nxl, nxr
[978]	1944	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1945	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1946	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	1947	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1948	ENDIF
	1949	ENDDO
[1159]	1950	ELSEIF ( bc_lr_raddir ) THEN
[996]	1951	DO i = nxl, nxr
[978]	1952	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1953	ptdf_x(i) = pt_damping_factor * &
[1340]	1954	SIN( pi * 0.5_wp * &
	1955	( ( i - nx ) * dx + pt_damping_width ) / &
	1956	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1957	ENDIF
[978]	1958	ENDDO
[1159]	1959	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1960	DO j = nys, nyn
[978]	1961	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1962	ptdf_y(j) = pt_damping_factor * &
[1340]	1963	SIN( pi * 0.5_wp * &
	1964	( ( j - ny ) * dy + pt_damping_width ) / &
	1965	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1966	ENDIF
[978]	1967	ENDDO
[1159]	1968	ELSEIF ( bc_ns_raddir ) THEN
[996]	1969	DO j = nys, nyn
[978]	1970	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1971	ptdf_y(j) = pt_damping_factor * &
[1340]	1972	SIN( pi * 0.5_wp * &
	1973	( pt_damping_width - j * dy ) / &
	1974	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1975	ENDIF
[73]	1976	ENDDO
[1]	1977	ENDIF
	1978
	1979	!
	1980	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1981	!-- Ghost points are excluded because counting values at the ghost boundaries
	1982	!-- would bias the statistics
[1340]	1983	rmask = 1.0_wp
	1984	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1985	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1986
	1987	!
[51]	1988	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1989	!-- of allowed timeseries is exceeded
[1]	1990	CALL user_init
	1991
[51]	1992	IF ( dots_num > dots_max ) THEN
[1788]	1993	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	1994	' its maximum of dots_max = ', dots_max, &
[254]	1995	' &Please increase dots_max in modules.f90.'
	1996	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1997	ENDIF
	1998
[1]	1999	!
	2000	!-- Input binary data file is not needed anymore. This line must be placed
	2001	!-- after call of user_init!
	2002	CALL close_file( 13 )
	2003
	2004	!
	2005	!-- Compute total sum of active mask grid points
[1738]	2006	!-- and the mean surface level height for each statistic region
[1]	2007	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	2008	!-- total domain
	2009	!-- ngp_3d: number of grid points of the total domain
[132]	2010	ngp_2dh_outer_l = 0
	2011	ngp_2dh_outer = 0
	2012	ngp_2dh_s_inner_l = 0
	2013	ngp_2dh_s_inner = 0
	2014	ngp_2dh_l = 0
	2015	ngp_2dh = 0
[1340]	2016	ngp_3d_inner_l = 0.0_wp
[132]	2017	ngp_3d_inner = 0
	2018	ngp_3d = 0
	2019	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	2020
[1738]	2021	mean_surface_level_height = 0.0_wp
	2022	mean_surface_level_height_l = 0.0_wp
	2023
[1]	2024	DO sr = 0, statistic_regions
	2025	DO i = nxl, nxr
	2026	DO j = nys, nyn
[1340]	2027	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	2028	!
	2029	!-- All xy-grid points
	2030	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
[1788]	2031	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
	2032	+ zw(nzb_s_inner(j,i))
[1]	2033	!
	2034	!-- xy-grid points above topography
	2035	DO k = nzb_s_outer(j,i), nz + 1
	2036	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	2037	ENDDO
[132]	2038	DO k = nzb_s_inner(j,i), nz + 1
	2039	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	2040	ENDDO
[1]	2041	!
	2042	!-- All grid points of the total domain above topography
[1788]	2043	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
	2044	+ ( nz - nzb_s_inner(j,i) + 2 )
[1]	2045	ENDIF
	2046	ENDDO
	2047	ENDDO
	2048	ENDDO
	2049
	2050	sr = statistic_regions + 1
	2051	#if defined( __parallel )
[622]	2052	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2053	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	2054	comm2d, ierr )
[622]	2055	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2056	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	2057	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2058	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2059	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	2060	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2061	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2062	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	2063	MPI_SUM, comm2d, ierr )
[485]	2064	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2065	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2066	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	2067	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	2068	MPI_SUM, comm2d, ierr )
	2069	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	2070	#else
[132]	2071	ngp_2dh = ngp_2dh_l
	2072	ngp_2dh_outer = ngp_2dh_outer_l
	2073	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	2074	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2075	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	2076	#endif
	2077
[560]	2078	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	2079	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	2080
	2081	!
	2082	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	2083	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	2084	!-- the respective subdomain lie below the surface topography
[667]	2085	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	2086	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	2087	ngp_3d_inner(:) )
[667]	2088	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	2089
[1788]	2090	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	2091	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	2092
[1402]	2093	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	2094
	2095	END SUBROUTINE init_3d_model

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