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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2259

Last change on this file since 2259 was 2259, checked in by gronemeier, 7 years ago

Implemented synthetic turbulence generator

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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	!
[2101]	17	! Copyright 1997-2017 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[2233]	22	!
	23	!
	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 2259 2017-06-08 09:09:11Z gronemeier $
[2259]	27	! Implemented synthetic turbulence generator
	28	!
	29	! 2252 2017-06-07 09:35:37Z knoop
[2252]	30	! rho_air now depending on surface_pressure even in Boussinesq mode
	31	!
	32	! 2233 2017-05-30 18:08:54Z suehring
[2233]	33	!
	34	! 2232 2017-05-30 17:47:52Z suehring
[2232]	35	! Adjustments to new topography and surface concept:
	36	! - Modify passed parameters for disturb_field
	37	! - Topography representation via flags
	38	! - Remove unused arrays.
	39	! - Move initialization of surface-related quantities to surface_mod
[1961]	40	!
[2173]	41	! 2172 2017-03-08 15:55:25Z knoop
	42	! Bugfix: moved parallel random generator initialization into its module
	43	!
[2119]	44	! 2118 2017-01-17 16:38:49Z raasch
	45	! OpenACC directives removed
	46	!
[2038]	47	! 2037 2016-10-26 11:15:40Z knoop
	48	! Anelastic approximation implemented
	49	!
[2032]	50	! 2031 2016-10-21 15:11:58Z knoop
	51	! renamed variable rho to rho_ocean
	52	!
[2012]	53	! 2011 2016-09-19 17:29:57Z kanani
	54	! Flag urban_surface is now defined in module control_parameters.
	55	!
[2008]	56	! 2007 2016-08-24 15:47:17Z kanani
	57	! Added support for urban surface model,
	58	! adjusted location_message in case of plant_canopy
	59	!
[2001]	60	! 2000 2016-08-20 18:09:15Z knoop
	61	! Forced header and separation lines into 80 columns
	62	!
[1993]	63	! 1992 2016-08-12 15:14:59Z suehring
	64	! Initializaton of scalarflux at model top
	65	! Bugfixes in initialization of surface and top salinity flux, top scalar and
	66	! humidity fluxes
	67	!
[1961]	68	! 1960 2016-07-12 16:34:24Z suehring
[1960]	69	! Separate humidity and passive scalar
	70	! Increase dimension for mean_inflow_profiles
	71	! Remove inadvertent write-statement
	72	! Bugfix, large-scale forcing is still not implemented for passive scalars
[1919]	73	!
[1958]	74	! 1957 2016-07-07 10:43:48Z suehring
	75	! flight module added
	76	!
[1921]	77	! 1920 2016-05-30 10:50:15Z suehring
	78	! Initialize us with very small number to avoid segmentation fault during
	79	! calculation of Obukhov length
	80	!
[1919]	81	! 1918 2016-05-27 14:35:57Z raasch
	82	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	83	! bugfix: initialization of local sum arrays are moved to the beginning of the
	84	! routine because otherwise results from pres are overwritten
	85	!
[1917]	86	! 1914 2016-05-26 14:44:07Z witha
	87	! Added initialization of the wind turbine model
	88	!
[1879]	89	! 1878 2016-04-19 12:30:36Z hellstea
	90	! The zeroth element of weight_pres removed as unnecessary
	91	!
[1851]	92	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	93	! Adapted for modularization of microphysics.
	94	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	95	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	96	! microphysics_init.
	97	!
[1846]	98	! 1845 2016-04-08 08:29:13Z raasch
	99	! nzb_2d replaced by nzb_u\|v_inner
[1914]	100	!
[1834]	101	! 1833 2016-04-07 14:23:03Z raasch
	102	! initialization of spectra quantities moved to spectra_mod
	103	!
[1832]	104	! 1831 2016-04-07 13:15:51Z hoffmann
	105	! turbulence renamed collision_turbulence
	106	!
[1827]	107	! 1826 2016-04-07 12:01:39Z maronga
	108	! Renamed radiation calls.
	109	! Renamed canopy model calls.
	110	!
[1823]	111	! 1822 2016-04-07 07:49:42Z hoffmann
	112	! icloud_scheme replaced by microphysics_*
[1914]	113	!
[1818]	114	! 1817 2016-04-06 15:44:20Z maronga
	115	! Renamed lsm calls.
	116	!
[1816]	117	! 1815 2016-04-06 13:49:59Z raasch
	118	! zero-settings for velocities inside topography re-activated (was deactivated
	119	! in r1762)
	120	!
[1789]	121	! 1788 2016-03-10 11:01:04Z maronga
	122	! Added z0q.
	123	! Syntax layout improved.
	124	!
[1784]	125	! 1783 2016-03-06 18:36:17Z raasch
	126	! netcdf module name changed + related changes
	127	!
[1765]	128	! 1764 2016-02-28 12:45:19Z raasch
	129	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	130	!
[1763]	131	! 1762 2016-02-25 12:31:13Z hellstea
	132	! Introduction of nested domain feature
	133	!
[1739]	134	! 1738 2015-12-18 13:56:05Z raasch
	135	! calculate mean surface level height for each statistic region
	136	!
[1735]	137	! 1734 2015-12-02 12:17:12Z raasch
	138	! no initial disturbances in case that the disturbance energy limit has been
	139	! set zero
	140	!
[1708]	141	! 1707 2015-11-02 15:24:52Z maronga
	142	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	143	! devision by zero in neutral stratification
	144	!
[1692]	145	! 1691 2015-10-26 16:17:44Z maronga
	146	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	147	!
[1683]	148	! 1682 2015-10-07 23:56:08Z knoop
	149	! Code annotations made doxygen readable
	150	!
[1616]	151	! 1615 2015-07-08 18:49:19Z suehring
	152	! Enable turbulent inflow for passive_scalar and humidity
	153	!
[1586]	154	! 1585 2015-04-30 07:05:52Z maronga
	155	! Initialization of radiation code is now done after LSM initializtion
	156	!
[1576]	157	! 1575 2015-03-27 09:56:27Z raasch
	158	! adjustments for psolver-queries
	159	!
[1552]	160	! 1551 2015-03-03 14:18:16Z maronga
[1817]	161	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	162	! which is part of land_surface_model.
	163	!
[1508]	164	! 1507 2014-12-10 12:14:18Z suehring
	165	! Bugfix: set horizontal velocity components to zero inside topography
	166	!
[1497]	167	! 1496 2014-12-02 17:25:50Z maronga
	168	! Added initialization of the land surface and radiation schemes
	169	!
[1485]	170	! 1484 2014-10-21 10:53:05Z kanani
[1484]	171	! Changes due to new module structure of the plant canopy model:
[1508]	172	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	173	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	174	! call of subroutine init_plant_canopy added.
[1341]	175	!
[1432]	176	! 1431 2014-07-15 14:47:17Z suehring
	177	! var_d added, in order to normalize spectra.
	178	!
[1430]	179	! 1429 2014-07-15 12:53:45Z knoop
	180	! Ensemble run capability added to parallel random number generator
	181	!
[1412]	182	! 1411 2014-05-16 18:01:51Z suehring
	183	! Initial horizontal velocity profiles were not set to zero at the first vertical
	184	! grid level in case of non-cyclic lateral boundary conditions.
	185	!
[1407]	186	! 1406 2014-05-16 13:47:01Z raasch
	187	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	188	! no-slip boundary condition for uv
	189	!
[1403]	190	! 1402 2014-05-09 14:25:13Z raasch
	191	! location messages modified
	192	!
[1401]	193	! 1400 2014-05-09 14:03:54Z knoop
	194	! Parallel random number generator added
	195	!
[1385]	196	! 1384 2014-05-02 14:31:06Z raasch
	197	! location messages added
	198	!
[1362]	199	! 1361 2014-04-16 15:17:48Z hoffmann
	200	! tend_* removed
	201	! Bugfix: w_subs is not allocated anymore if it is already allocated
	202	!
[1360]	203	! 1359 2014-04-11 17:15:14Z hoffmann
	204	! module lpm_init_mod added to use statements, because lpm_init has become a
	205	! module
	206	!
[1354]	207	! 1353 2014-04-08 15:21:23Z heinze
	208	! REAL constants provided with KIND-attribute
	209	!
[1341]	210	! 1340 2014-03-25 19:45:13Z kanani
	211	! REAL constants defined as wp-kind
	212	!
[1323]	213	! 1322 2014-03-20 16:38:49Z raasch
	214	! REAL constants defined as wp-kind
	215	! module interfaces removed
	216	!
[1321]	217	! 1320 2014-03-20 08:40:49Z raasch
	218	! ONLY-attribute added to USE-statements,
	219	! kind-parameters added to all INTEGER and REAL declaration statements,
	220	! kinds are defined in new module kinds,
	221	! revision history before 2012 removed,
	222	! comment fields (!:) to be used for variable explanations added to
	223	! all variable declaration statements
	224	!
[1317]	225	! 1316 2014-03-17 07:44:59Z heinze
	226	! Bugfix: allocation of w_subs
	227	!
[1300]	228	! 1299 2014-03-06 13:15:21Z heinze
	229	! Allocate w_subs due to extension of large scale subsidence in combination
	230	! with large scale forcing data (LSF_DATA)
	231	!
[1242]	232	! 1241 2013-10-30 11:36:58Z heinze
	233	! Overwrite initial profiles in case of nudging
	234	! Inititialize shf and qsws in case of large_scale_forcing
	235	!
[1222]	236	! 1221 2013-09-10 08:59:13Z raasch
	237	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	238	! copy
	239	!
[1213]	240	! 1212 2013-08-15 08:46:27Z raasch
	241	! array tri is allocated and included in data copy statement
	242	!
[1196]	243	! 1195 2013-07-01 12:27:57Z heinze
	244	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	245	!
[1182]	246	! 1179 2013-06-14 05:57:58Z raasch
	247	! allocate and set ref_state to be used in buoyancy terms
	248	!
[1172]	249	! 1171 2013-05-30 11:27:45Z raasch
	250	! diss array is allocated with full size if accelerator boards are used
	251	!
[1160]	252	! 1159 2013-05-21 11:58:22Z fricke
	253	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	254	!
[1154]	255	! 1153 2013-05-10 14:33:08Z raasch
	256	! diss array is allocated with dummy elements even if it is not needed
[1171]	257	! (required by PGI 13.4 / CUDA 5.0)
[1154]	258	!
[1116]	259	! 1115 2013-03-26 18:16:16Z hoffmann
	260	! unused variables removed
	261	!
[1114]	262	! 1113 2013-03-10 02:48:14Z raasch
	263	! openACC directive modified
	264	!
[1112]	265	! 1111 2013-03-08 23:54:10Z raasch
	266	! openACC directives added for pres
	267	! array diss allocated only if required
	268	!
[1093]	269	! 1092 2013-02-02 11:24:22Z raasch
	270	! unused variables removed
	271	!
[1066]	272	! 1065 2012-11-22 17:42:36Z hoffmann
	273	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	274	!
[1054]	275	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	276	! allocation and initialisation of necessary data arrays for the two-moment
	277	! cloud physics scheme the two new prognostic equations (nr, qr):
	278	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	279	! +tend_*, prr
[979]	280	!
[1037]	281	! 1036 2012-10-22 13:43:42Z raasch
	282	! code put under GPL (PALM 3.9)
	283	!
[1033]	284	! 1032 2012-10-21 13:03:21Z letzel
	285	! save memory by not allocating pt_2 in case of neutral = .T.
	286	!
[1026]	287	! 1025 2012-10-07 16:04:41Z letzel
	288	! bugfix: swap indices of mask for ghost boundaries
	289	!
[1017]	290	! 1015 2012-09-27 09:23:24Z raasch
	291	! mask is set to zero for ghost boundaries
	292	!
[1011]	293	! 1010 2012-09-20 07:59:54Z raasch
	294	! cpp switch __nopointer added for pointer free version
	295	!
[1004]	296	! 1003 2012-09-14 14:35:53Z raasch
	297	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	298	!
[1002]	299	! 1001 2012-09-13 14:08:46Z raasch
	300	! all actions concerning leapfrog scheme removed
	301	!
[997]	302	! 996 2012-09-07 10:41:47Z raasch
	303	! little reformatting
	304	!
[979]	305	! 978 2012-08-09 08:28:32Z fricke
[978]	306	! outflow damping layer removed
	307	! roughness length for scalar quantites z0h added
	308	! damping zone for the potential temperatur in case of non-cyclic lateral
	309	! boundaries added
	310	! initialization of ptdf_x, ptdf_y
	311	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	312	!
[850]	313	! 849 2012-03-15 10:35:09Z raasch
	314	! init_particles renamed lpm_init
	315	!
[826]	316	! 825 2012-02-19 03:03:44Z raasch
	317	! wang_collision_kernel renamed wang_kernel
	318	!
[1]	319	! Revision 1.1 1998/03/09 16:22:22 raasch
	320	! Initial revision
	321	!
	322	!
	323	! Description:
	324	! ------------
[1682]	325	!> Allocation of arrays and initialization of the 3D model via
	326	!> a) pre-run the 1D model
	327	!> or
	328	!> b) pre-set constant linear profiles
	329	!> or
	330	!> c) read values of a previous run
[1]	331	!------------------------------------------------------------------------------!
[1682]	332	SUBROUTINE init_3d_model
	333
[1]	334
[667]	335	USE advec_ws
[1320]	336
[1]	337	USE arrays_3d
[1849]	338
[2037]	339	USE cloud_parameters, &
	340	ONLY: cp, l_v, r_d
	341
[1320]	342	USE constants, &
	343	ONLY: pi
	344
[1]	345	USE control_parameters
[1320]	346
[1957]	347	USE flight_mod, &
	348	ONLY: flight_init
	349
[1320]	350	USE grid_variables, &
[2037]	351	ONLY: dx, dy, ddx2_mg, ddy2_mg
[1320]	352
[1]	353	USE indices
[1359]	354
[1429]	355	USE lpm_init_mod, &
[1359]	356	ONLY: lpm_init
[1320]	357
	358	USE kinds
[1496]	359
	360	USE land_surface_model_mod, &
[2232]	361	ONLY: lsm_init, lsm_init_arrays
[1496]	362
[1241]	363	USE ls_forcing_mod
[1849]	364
	365	USE microphysics_mod, &
	366	ONLY: collision_turbulence, microphysics_init
	367
[1320]	368	USE model_1d, &
	369	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	370
[1783]	371	USE netcdf_interface, &
	372	ONLY: dots_max, dots_num
[1320]	373
	374	USE particle_attributes, &
	375	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	376
[1]	377	USE pegrid
[1320]	378
[1484]	379	USE plant_canopy_model_mod, &
[1826]	380	ONLY: pcm_init, plant_canopy
[1496]	381
	382	USE radiation_model_mod, &
[1826]	383	ONLY: radiation_init, radiation
[1484]	384
[1320]	385	USE random_function_mod
	386
[1400]	387	USE random_generator_parallel, &
[2172]	388	ONLY: init_parallel_random_generator
[1400]	389
[1320]	390	USE statistics, &
[1738]	391	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	392	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	393	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	394	weight_pres, weight_substep
[2259]	395
	396	USE synthetic_turbulence_generator_mod, &
	397	ONLY: stg_init, use_synthetic_turbulence_generator
	398
[1691]	399	USE surface_layer_fluxes_mod, &
	400	ONLY: init_surface_layer_fluxes
[2232]	401
	402	USE surface_mod, &
	403	ONLY : init_surface_arrays, init_surfaces, surf_def_h, surf_lsm_h, &
	404	surf_usm_h
[1691]	405
[2007]	406	USE transpose_indices
[1]	407
[2007]	408	USE urban_surface_mod, &
[2011]	409	ONLY: usm_init_urban_surface
[2007]	410
[1914]	411	USE wind_turbine_model_mod, &
	412	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	413
[1]	414	IMPLICIT NONE
	415
[1682]	416	INTEGER(iwp) :: i !<
	417	INTEGER(iwp) :: ind_array(1) !<
	418	INTEGER(iwp) :: j !<
	419	INTEGER(iwp) :: k !<
[2232]	420	INTEGER(iwp) :: k_surf !< surface level index
	421	INTEGER(iwp) :: m !< index of surface element in surface data type
	422	INTEGER(iwp) :: sr !< index of statistic region
[1]	423
[1682]	424	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	425
[1682]	426	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	427	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	428
[2037]	429	REAL(wp) :: t_surface !< air temperature at the surface
	430
	431	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
	432
	433	INTEGER(iwp) :: l !< loop variable
	434	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
	435	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
	436	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
	437
[1764]	438	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	439	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	440
[1738]	441	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	442	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	443	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	444
[485]	445
[1402]	446	CALL location_message( 'allocating arrays', .FALSE. )
[1]	447	!
	448	!-- Allocate arrays
[1788]	449	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	450	mean_surface_level_height_l(0:statistic_regions), &
	451	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	452	ngp_3d(0:statistic_regions), &
	453	ngp_3d_inner(0:statistic_regions), &
	454	ngp_3d_inner_l(0:statistic_regions), &
	455	ngp_3d_inner_tmp(0:statistic_regions), &
	456	sums_divnew_l(0:statistic_regions), &
[1]	457	sums_divold_l(0:statistic_regions) )
[1195]	458	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	459	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	460	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	461	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	462	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	463	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	464	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	465	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	466	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	467	sums_up_fraction_l(10,3,0:statistic_regions), &
	468	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	469	ts_value(dots_max,0:statistic_regions) )
[978]	470	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	471
[1788]	472	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	473	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	474	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	475	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	476	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	477
	478	#if defined( __nopointer )
[1788]	479	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	480	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	481	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	482	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	483	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	484	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	485	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	486	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	487	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	488	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	489	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	490	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	491	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	492	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	493	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	494	#else
[1788]	495	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	496	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	497	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	498	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	499	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	500	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	501	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	502	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	503	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	504	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	505	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	506	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	507	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	508	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	509	IF ( .NOT. neutral ) THEN
[1032]	510	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	511	ENDIF
[1010]	512	#endif
	513
[673]	514	!
[707]	515	!-- Following array is required for perturbation pressure within the iterative
	516	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	517	!-- the weighted average of the substeps and cannot be used in the Poisson
	518	!-- solver.
	519	IF ( psolver == 'sor' ) THEN
	520	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	521	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	522	!
	523	!-- For performance reasons, multigrid is using one ghost layer only
	524	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	525	ENDIF
[1]	526
[1111]	527	!
	528	!-- Array for storing constant coeffficients of the tridiagonal solver
	529	IF ( psolver == 'poisfft' ) THEN
[1212]	530	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	531	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	532	ENDIF
	533
[1960]	534	IF ( humidity ) THEN
[1]	535	!
[1960]	536	!-- 3D-humidity
[1010]	537	#if defined( __nopointer )
[1788]	538	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	539	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	540	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	541	#else
[1788]	542	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	543	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	544	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	545	#endif
[1]	546
	547	!
[1960]	548	!-- 3D-arrays needed for humidity
[75]	549	IF ( humidity ) THEN
[1010]	550	#if defined( __nopointer )
	551	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	552	#else
[667]	553	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	554	#endif
[1]	555
[1788]	556	IF ( cloud_physics ) THEN
[1053]	557
[1]	558	!
	559	!-- Liquid water content
[1010]	560	#if defined( __nopointer )
	561	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	562	#else
[667]	563	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	564	#endif
[72]	565	!
	566	!-- Precipitation amount and rate (only needed if output is switched)
[1788]	567	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
[667]	568	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	569
	570	!
[1822]	571	!-- 3D-cloud water content
[1053]	572	#if defined( __nopointer )
[1822]	573	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	574	#else
[1822]	575	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	576	#endif
[1822]	577	!
	578	!-- 3d-precipitation rate
	579	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	580
[1822]	581	IF ( microphysics_seifert ) THEN
[1053]	582	!
[1822]	583	!-- 3D-rain water content, rain drop concentration arrays
[1115]	584	#if defined( __nopointer )
[1822]	585	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	586	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	587	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	588	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	589	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	590	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	591	#else
[1822]	592	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	593	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	594	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	595	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	596	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	597	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	598	#endif
[1822]	599	ENDIF
[1053]	600
[1]	601	ENDIF
	602
	603	IF ( cloud_droplets ) THEN
	604	!
[1010]	605	!-- Liquid water content, change in liquid water content
	606	#if defined( __nopointer )
[1788]	607	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	608	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	609	#else
[1788]	610	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	611	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	612	#endif
	613	!
	614	!-- Real volume of particles (with weighting), volume of particles
[1788]	615	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	616	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	617	ENDIF
	618
	619	ENDIF
	620
	621	ENDIF
[1960]	622
	623
	624	IF ( passive_scalar ) THEN
[1]	625
[1960]	626	!
	627	!-- 3D scalar arrays
	628	#if defined( __nopointer )
	629	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	630	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	631	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	632	#else
	633	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	634	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	635	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	636	#endif
	637	ENDIF
	638
[94]	639	IF ( ocean ) THEN
[1010]	640	#if defined( __nopointer )
[1788]	641	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[2031]	642	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1788]	643	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	644	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	645	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	646	#else
[1788]	647	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	648	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	649	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	650	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	651	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	652	prho => prho_1
[2031]	653	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
[388]	654	! density to be apointer
[1010]	655	#endif
[94]	656	ENDIF
	657
[1]	658	!
[2037]	659	!-- Allocation of anelastic and Boussinesq approximation specific arrays
	660	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
	661	ALLOCATE( rho_air(nzb:nzt+1) )
	662	ALLOCATE( rho_air_zw(nzb:nzt+1) )
	663	ALLOCATE( drho_air(nzb:nzt+1) )
	664	ALLOCATE( drho_air_zw(nzb:nzt+1) )
	665
	666	!
	667	!-- Density profile calculation for anelastic approximation
[2252]	668	t_surface = pt_surface * ( surface_pressure / 1000.0_wp )**( r_d / cp )
[2037]	669	IF ( TRIM( approximation ) == 'anelastic' ) THEN
	670	DO k = nzb, nzt+1
	671	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
	672	( 1 - ( g * zu(k) ) / ( cp * t_surface ) &
	673	)**( cp / r_d )
	674	rho_air(k) = ( p_hydrostatic(k) * &
	675	( 100000.0_wp / p_hydrostatic(k) &
	676	)**( r_d / cp ) &
	677	) / ( r_d * pt_init(k) )
	678	ENDDO
	679	DO k = nzb, nzt
	680	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	681	ENDDO
	682	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	683	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
	684	ELSE
[2252]	685	DO k = nzb, nzt+1
	686	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
	687	( 1 - ( g * zu(nzb) ) / ( cp * t_surface ) &
	688	)**( cp / r_d )
	689	rho_air(k) = ( p_hydrostatic(k) * &
	690	( 100000.0_wp / p_hydrostatic(k) &
	691	)**( r_d / cp ) &
	692	) / ( r_d * pt_init(nzb) )
	693	ENDDO
	694	DO k = nzb, nzt
	695	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	696	ENDDO
	697	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	698	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
[2037]	699	ENDIF
	700
	701	!-- compute the inverse density array in order to avoid expencive divisions
	702	drho_air = 1.0_wp / rho_air
	703	drho_air_zw = 1.0_wp / rho_air_zw
	704
	705	!
	706	!-- Allocation of flux conversion arrays
	707	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
	708	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
	709	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
	710	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
	711	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
	712	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
	713
	714	!
	715	!-- calculate flux conversion factors according to approximation and in-/output mode
	716	DO k = nzb, nzt+1
	717
	718	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
	719	heatflux_input_conversion(k) = rho_air_zw(k)
	720	waterflux_input_conversion(k) = rho_air_zw(k)
	721	momentumflux_input_conversion(k) = rho_air_zw(k)
	722	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
	723	heatflux_input_conversion(k) = 1.0_wp / cp
	724	waterflux_input_conversion(k) = 1.0_wp / l_v
	725	momentumflux_input_conversion(k) = 1.0_wp
	726	ENDIF
	727
	728	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
	729	heatflux_output_conversion(k) = drho_air_zw(k)
	730	waterflux_output_conversion(k) = drho_air_zw(k)
	731	momentumflux_output_conversion(k) = drho_air_zw(k)
	732	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
	733	heatflux_output_conversion(k) = cp
	734	waterflux_output_conversion(k) = l_v
	735	momentumflux_output_conversion(k) = 1.0_wp
	736	ENDIF
	737
	738	IF ( .NOT. humidity ) THEN
	739	waterflux_input_conversion(k) = 1.0_wp
	740	waterflux_output_conversion(k) = 1.0_wp
	741	ENDIF
	742
	743	ENDDO
	744
	745	!
	746	!-- In case of multigrid method, compute grid lengths and grid factors for the
	747	!-- grid levels with respective density on each grid
	748	IF ( psolver(1:9) == 'multigrid' ) THEN
	749
	750	ALLOCATE( ddx2_mg(maximum_grid_level) )
	751	ALLOCATE( ddy2_mg(maximum_grid_level) )
	752	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
	753	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
	754	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
	755	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
	756	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
	757	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
	758	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
	759
	760	dzu_mg(:,maximum_grid_level) = dzu
	761	rho_air_mg(:,maximum_grid_level) = rho_air
	762	!
	763	!-- Next line to ensure an equally spaced grid.
	764	dzu_mg(1,maximum_grid_level) = dzu(2)
	765	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
	766	(rho_air(nzb) - rho_air(nzb+1))
	767
	768	dzw_mg(:,maximum_grid_level) = dzw
	769	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
	770	nzt_l = nzt
	771	DO l = maximum_grid_level-1, 1, -1
	772	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
	773	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
	774	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
	775	rho_air_zw_mg(nzb,l) = rho_air_zw_mg(nzb,l+1) + (rho_air_zw_mg(nzb,l+1) - rho_air_zw_mg(nzb+1,l+1))
	776	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
	777	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
	778	nzt_l = nzt_l / 2
	779	DO k = 2, nzt_l+1
	780	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
	781	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
	782	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
	783	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
	784	ENDDO
	785	ENDDO
	786
	787	nzt_l = nzt
	788	dx_l = dx
	789	dy_l = dy
	790	DO l = maximum_grid_level, 1, -1
	791	ddx2_mg(l) = 1.0_wp / dx_l**2
	792	ddy2_mg(l) = 1.0_wp / dy_l**2
	793	DO k = nzb+1, nzt_l
	794	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
	795	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
	796	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
	797	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
	798	ENDDO
	799	nzt_l = nzt_l / 2
	800	dx_l = dx_l * 2.0_wp
	801	dy_l = dy_l * 2.0_wp
	802	ENDDO
	803
	804	ENDIF
	805
	806	!
[1]	807	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	808	!-- particle velocities
[2118]	809	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence )&
	810	THEN
[1153]	811	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	812	ENDIF
	813
	814	!
[1299]	815	!-- 1D-array for large scale subsidence velocity
[1361]	816	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	817	ALLOCATE ( w_subs(nzb:nzt+1) )
	818	w_subs = 0.0_wp
	819	ENDIF
[1299]	820
	821	!
[106]	822	!-- Arrays to store velocity data from t-dt and the phase speeds which
	823	!-- are needed for radiation boundary conditions
[73]	824	IF ( outflow_l ) THEN
[1788]	825	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	826	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	827	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	828	ENDIF
	829	IF ( outflow_r ) THEN
[1788]	830	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	831	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	832	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	833	ENDIF
[106]	834	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	835	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	836	c_w(nzb:nzt+1,nysg:nyng) )
[106]	837	ENDIF
[73]	838	IF ( outflow_s ) THEN
[1788]	839	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	840	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	841	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	842	ENDIF
	843	IF ( outflow_n ) THEN
[1788]	844	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	845	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	846	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	847	ENDIF
[106]	848	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	849	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	850	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	851	ENDIF
[996]	852	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	853	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	854	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	855	ENDIF
[73]	856
[978]	857
[1010]	858	#if ! defined( __nopointer )
[73]	859	!
[1]	860	!-- Initial assignment of the pointers
[1001]	861	e => e_1; e_p => e_2; te_m => e_3
[1032]	862	IF ( .NOT. neutral ) THEN
	863	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	864	ELSE
	865	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	866	ENDIF
[1001]	867	u => u_1; u_p => u_2; tu_m => u_3
	868	v => v_1; v_p => v_2; tv_m => v_3
	869	w => w_1; w_p => w_2; tw_m => w_3
[1]	870
[1960]	871	IF ( humidity ) THEN
[1001]	872	q => q_1; q_p => q_2; tq_m => q_3
[1053]	873	IF ( humidity ) THEN
	874	vpt => vpt_1
	875	IF ( cloud_physics ) THEN
	876	ql => ql_1
[1822]	877	qc => qc_1
	878	IF ( microphysics_seifert ) THEN
	879	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	880	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	881	ENDIF
	882	ENDIF
	883	ENDIF
[1001]	884	IF ( cloud_droplets ) THEN
	885	ql => ql_1
	886	ql_c => ql_2
[1]	887	ENDIF
[1001]	888	ENDIF
[1960]	889
	890	IF ( passive_scalar ) THEN
	891	s => s_1; s_p => s_2; ts_m => s_3
	892	ENDIF
[1]	893
[1001]	894	IF ( ocean ) THEN
	895	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	896	ENDIF
[1010]	897	#endif
[1]	898	!
[2232]	899	!-- Initialize wall arrays
	900	CALL init_surface_arrays
	901	!
[1551]	902	!-- Allocate land surface model arrays
	903	IF ( land_surface ) THEN
[1817]	904	CALL lsm_init_arrays
[1551]	905	ENDIF
	906
	907	!
[1914]	908	!-- Allocate wind turbine model arrays
	909	IF ( wind_turbine ) THEN
	910	CALL wtm_init_arrays
	911	ENDIF
[1957]	912
	913	!
	914	!-- Initialize virtual flight measurements
	915	IF ( virtual_flight ) THEN
	916	CALL flight_init
	917	ENDIF
[1914]	918
	919	!
[709]	920	!-- Allocate arrays containing the RK coefficient for calculation of
	921	!-- perturbation pressure and turbulent fluxes. At this point values are
	922	!-- set for pressure calculation during initialization (where no timestep
	923	!-- is done). Further below the values needed within the timestep scheme
	924	!-- will be set.
[1788]	925	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	926	weight_pres(1:intermediate_timestep_count_max) )
[1340]	927	weight_substep = 1.0_wp
	928	weight_pres = 1.0_wp
[1918]	929	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	930
[1402]	931	CALL location_message( 'finished', .TRUE. )
[1918]	932
[673]	933	!
[1918]	934	!-- Initialize local summation arrays for routine flow_statistics.
	935	!-- This is necessary because they may not yet have been initialized when they
	936	!-- are called from flow_statistics (or - depending on the chosen model run -
	937	!-- are never initialized)
	938	sums_divnew_l = 0.0_wp
	939	sums_divold_l = 0.0_wp
	940	sums_l_l = 0.0_wp
	941	sums_up_fraction_l = 0.0_wp
	942	sums_wsts_bc_l = 0.0_wp
	943
	944	!
[1]	945	!-- Initialize model variables
[1788]	946	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	947	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	948	!
	949	!-- First model run of a possible job queue.
	950	!-- Initial profiles of the variables must be computes.
	951	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	952
[1402]	953	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	954	!
	955	!-- Use solutions of the 1D model as initial profiles,
	956	!-- start 1D model
	957	CALL init_1d_model
	958	!
	959	!-- Transfer initial profiles to the arrays of the 3D model
[667]	960	DO i = nxlg, nxrg
	961	DO j = nysg, nyng
[1]	962	e(:,j,i) = e1d
	963	kh(:,j,i) = kh1d
	964	km(:,j,i) = km1d
	965	pt(:,j,i) = pt_init
	966	u(:,j,i) = u1d
	967	v(:,j,i) = v1d
	968	ENDDO
	969	ENDDO
	970
[1960]	971	IF ( humidity ) THEN
[667]	972	DO i = nxlg, nxrg
	973	DO j = nysg, nyng
[1]	974	q(:,j,i) = q_init
	975	ENDDO
	976	ENDDO
[1822]	977	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	978	DO i = nxlg, nxrg
	979	DO j = nysg, nyng
[1340]	980	qr(:,j,i) = 0.0_wp
	981	nr(:,j,i) = 0.0_wp
[1053]	982	ENDDO
	983	ENDDO
[1115]	984
[1053]	985	ENDIF
[1]	986	ENDIF
[1960]	987	IF ( passive_scalar ) THEN
	988	DO i = nxlg, nxrg
	989	DO j = nysg, nyng
	990	s(:,j,i) = s_init
	991	ENDDO
	992	ENDDO
	993	ENDIF
[1]	994
	995	IF ( .NOT. constant_diffusion ) THEN
[667]	996	DO i = nxlg, nxrg
	997	DO j = nysg, nyng
[1]	998	e(:,j,i) = e1d
	999	ENDDO
	1000	ENDDO
	1001	!
	1002	!-- Store initial profiles for output purposes etc.
	1003	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	1004
	1005	ELSE
[1340]	1006	e = 0.0_wp ! must be set, because used in
[1]	1007	ENDIF
	1008	!
[1762]	1009	!-- Inside buildings set velocities back to zero
[1]	1010	IF ( topography /= 'flat' ) THEN
[1762]	1011	DO i = nxlg, nxrg
	1012	DO j = nysg, nyng
[2232]	1013	DO k = nzb, nzt
	1014	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
	1015	BTEST( wall_flags_0(k,j,i), 1 ) )
	1016	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
	1017	BTEST( wall_flags_0(k,j,i), 2 ) )
	1018	ENDDO
[1]	1019	ENDDO
	1020	ENDDO
[667]	1021
[1]	1022	!
	1023	!-- WARNING: The extra boundary conditions set after running the
	1024	!-- ------- 1D model impose an error on the divergence one layer
	1025	!-- below the topography; need to correct later
	1026	!-- ATTENTION: Provisional correction for Piacsek & Williams
	1027	!-- --------- advection scheme: keep u and v zero one layer below
	1028	!-- the topography.
[667]	1029	IF ( ibc_uv_b == 1 ) THEN
	1030	!
[1]	1031	!-- Neumann condition
	1032	DO i = nxl-1, nxr+1
	1033	DO j = nys-1, nyn+1
[2232]	1034	u(nzb,j,i) = u(nzb+1,j,i)
	1035	v(nzb,j,i) = v(nzb+1,j,i)
[1]	1036	ENDDO
	1037	ENDDO
	1038
	1039	ENDIF
	1040
	1041	ENDIF
	1042
[1402]	1043	CALL location_message( 'finished', .TRUE. )
[1384]	1044
[1788]	1045	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	1046	THEN
[1241]	1047
[1402]	1048	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	1049	!
[1241]	1050	!-- Overwrite initial profiles in case of nudging
[1788]	1051	IF ( nudging ) THEN
[1241]	1052	pt_init = ptnudge(:,1)
	1053	u_init = unudge(:,1)
	1054	v_init = vnudge(:,1)
[1960]	1055	IF ( humidity ) THEN ! is passive_scalar correct???
[1241]	1056	q_init = qnudge(:,1)
	1057	ENDIF
	1058
[1788]	1059	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	1060	'scalars from NUDGING_DATA are used.'
	1061	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	1062	ENDIF
	1063
	1064	!
[2259]	1065	!-- Overwrite initial profiles in case of synthetic turbulence generator
	1066	IF( use_synthetic_turbulence_generator ) THEN
	1067	CALL stg_init
	1068	ENDIF
	1069
	1070	!
[1]	1071	!-- Use constructed initial profiles (velocity constant with height,
	1072	!-- temperature profile with constant gradient)
[667]	1073	DO i = nxlg, nxrg
	1074	DO j = nysg, nyng
[1]	1075	pt(:,j,i) = pt_init
	1076	u(:,j,i) = u_init
	1077	v(:,j,i) = v_init
	1078	ENDDO
	1079	ENDDO
[75]	1080
[1]	1081	!
[292]	1082	!-- Set initial horizontal velocities at the lowest computational grid
	1083	!-- levels to zero in order to avoid too small time steps caused by the
	1084	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	1085	!-- in the limiting formula!).
	1086	IF ( ibc_uv_b /= 1 ) THEN
	1087	DO i = nxlg, nxrg
	1088	DO j = nysg, nyng
[2232]	1089	DO k = nzb, nzt
	1090	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
	1091	BTEST( wall_flags_0(k,j,i), 20 ) )
	1092	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
	1093	BTEST( wall_flags_0(k,j,i), 21 ) )
	1094	ENDDO
[1815]	1095	ENDDO
	1096	ENDDO
	1097	ENDIF
[1]	1098
[1960]	1099	IF ( humidity ) THEN
[667]	1100	DO i = nxlg, nxrg
	1101	DO j = nysg, nyng
[1]	1102	q(:,j,i) = q_init
	1103	ENDDO
	1104	ENDDO
[1822]	1105	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	1106
[1822]	1107	DO i = nxlg, nxrg
	1108	DO j = nysg, nyng
	1109	qr(:,j,i) = 0.0_wp
	1110	nr(:,j,i) = 0.0_wp
[1053]	1111	ENDDO
[1822]	1112	ENDDO
[1115]	1113
[1053]	1114	ENDIF
[1]	1115	ENDIF
[1960]	1116
	1117	IF ( passive_scalar ) THEN
	1118	DO i = nxlg, nxrg
	1119	DO j = nysg, nyng
	1120	s(:,j,i) = s_init
	1121	ENDDO
	1122	ENDDO
	1123	ENDIF
[1]	1124
[94]	1125	IF ( ocean ) THEN
[667]	1126	DO i = nxlg, nxrg
	1127	DO j = nysg, nyng
[94]	1128	sa(:,j,i) = sa_init
	1129	ENDDO
	1130	ENDDO
	1131	ENDIF
[1]	1132
	1133	IF ( constant_diffusion ) THEN
	1134	km = km_constant
	1135	kh = km / prandtl_number
[1340]	1136	e = 0.0_wp
	1137	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	1138	DO k = nzb+1, nzt
[1340]	1139	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	1140	ENDDO
	1141	km(nzb,:,:) = km(nzb+1,:,:)
	1142	km(nzt+1,:,:) = km(nzt,:,:)
	1143	kh = km / prandtl_number
	1144	e = e_init
[1]	1145	ELSE
[108]	1146	IF ( .NOT. ocean ) THEN
[1340]	1147	kh = 0.01_wp ! there must exist an initial diffusion, because
	1148	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	1149	! production terms, as long as not yet
	1150	! e = (u/cm)*2 at k=nzb+1
	1151	ELSE
[1340]	1152	kh = 0.00001_wp
	1153	km = 0.00001_wp
[108]	1154	ENDIF
[1340]	1155	e = 0.0_wp
[1]	1156	ENDIF
[1920]	1157	!
[1]	1158	!-- Compute initial temperature field and other constants used in case
	1159	!-- of a sloping surface
	1160	IF ( sloping_surface ) CALL init_slope
	1161
[1402]	1162	CALL location_message( 'finished', .TRUE. )
[1384]	1163
[1788]	1164	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	1165	THEN
[1384]	1166
[1402]	1167	CALL location_message( 'initializing by user', .FALSE. )
[46]	1168	!
	1169	!-- Initialization will completely be done by the user
	1170	CALL user_init_3d_model
	1171
[1402]	1172	CALL location_message( 'finished', .TRUE. )
[1384]	1173
[1]	1174	ENDIF
[1384]	1175
[1402]	1176	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	1177	.FALSE. )
[1384]	1178
[667]	1179	!
	1180	!-- Bottom boundary
	1181	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	1182	u(nzb,:,:) = 0.0_wp
	1183	v(nzb,:,:) = 0.0_wp
[667]	1184	ENDIF
[1]	1185
	1186	!
[151]	1187	!-- Apply channel flow boundary condition
[132]	1188	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	1189	u(nzt+1,:,:) = 0.0_wp
	1190	v(nzt+1,:,:) = 0.0_wp
[132]	1191	ENDIF
	1192
	1193	!
[1]	1194	!-- Calculate virtual potential temperature
[1960]	1195	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1196
	1197	!
	1198	!-- Store initial profiles for output purposes etc.
	1199	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1200	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1201	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1202	hom(nzb,1,5,:) = 0.0_wp
	1203	hom(nzb,1,6,:) = 0.0_wp
[1]	1204	ENDIF
	1205	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1206	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1207	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1208
[97]	1209	IF ( ocean ) THEN
	1210	!
	1211	!-- Store initial salinity profile
	1212	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1213	ENDIF
[1]	1214
[75]	1215	IF ( humidity ) THEN
[1]	1216	!
	1217	!-- Store initial profile of total water content, virtual potential
	1218	!-- temperature
	1219	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1220	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1221	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1222	!
	1223	!-- Store initial profile of specific humidity and potential
	1224	!-- temperature
	1225	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1226	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1227	ENDIF
	1228	ENDIF
	1229
	1230	IF ( passive_scalar ) THEN
	1231	!
	1232	!-- Store initial scalar profile
[1960]	1233	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
[1]	1234	ENDIF
	1235
	1236	!
[1400]	1237	!-- Initialize the random number generators (from numerical recipes)
	1238	CALL random_function_ini
[1429]	1239
[1400]	1240	IF ( random_generator == 'random-parallel' ) THEN
[2172]	1241	CALL init_parallel_random_generator(nx, ny, nys, nyn, nxl, nxr)
[1400]	1242	ENDIF
	1243	!
[1179]	1244	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1245	!-- the reference state will be set (overwritten) in init_ocean)
	1246	IF ( use_single_reference_value ) THEN
[1788]	1247	IF ( .NOT. humidity ) THEN
[1179]	1248	ref_state(:) = pt_reference
	1249	ELSE
	1250	ref_state(:) = vpt_reference
	1251	ENDIF
	1252	ELSE
[1788]	1253	IF ( .NOT. humidity ) THEN
[1179]	1254	ref_state(:) = pt_init(:)
	1255	ELSE
	1256	ref_state(:) = vpt(:,nys,nxl)
	1257	ENDIF
	1258	ENDIF
[152]	1259
	1260	!
[707]	1261	!-- For the moment, vertical velocity is zero
[1340]	1262	w = 0.0_wp
[1]	1263
	1264	!
	1265	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1266	sums = 0.0_wp
[1]	1267
	1268	!
[707]	1269	!-- In case of iterative solvers, p must get an initial value
[1575]	1270	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1271
	1272	!
[72]	1273	!-- Treating cloud physics, liquid water content and precipitation amount
	1274	!-- are zero at beginning of the simulation
	1275	IF ( cloud_physics ) THEN
[1340]	1276	ql = 0.0_wp
[1822]	1277	qc = 0.0_wp
	1278
	1279	precipitation_amount = 0.0_wp
[72]	1280	ENDIF
[673]	1281	!
[1]	1282	!-- Impose vortex with vertical axis on the initial velocity profile
	1283	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1284	CALL init_rankine
	1285	ENDIF
	1286
	1287	!
	1288	!-- Impose temperature anomaly (advection test only)
	1289	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1290	CALL init_pt_anomaly
	1291	ENDIF
	1292
	1293	!
	1294	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1295	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1296	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1297	ENDIF
	1298
	1299	!
	1300	!-- If required, change the surface humidity/scalar at the start of the 3D
	1301	!-- run
[1960]	1302	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
[1]	1303	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
[1960]	1304
	1305	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
	1306	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
	1307
[1]	1308
	1309	!
	1310	!-- Initialize old and new time levels.
[1340]	1311	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]	1312	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1313
[1960]	1314	IF ( humidity ) THEN
[1340]	1315	tq_m = 0.0_wp
[1]	1316	q_p = q
[1822]	1317	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1318	tqr_m = 0.0_wp
[1822]	1319	qr_p = qr
[1340]	1320	tnr_m = 0.0_wp
[1822]	1321	nr_p = nr
[1053]	1322	ENDIF
[1]	1323	ENDIF
[1960]	1324
	1325	IF ( passive_scalar ) THEN
	1326	ts_m = 0.0_wp
	1327	s_p = s
	1328	ENDIF
[1]	1329
[94]	1330	IF ( ocean ) THEN
[1340]	1331	tsa_m = 0.0_wp
[94]	1332	sa_p = sa
	1333	ENDIF
[667]	1334
[1402]	1335	CALL location_message( 'finished', .TRUE. )
[94]	1336
[1788]	1337	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[2232]	1338	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1339	THEN
[1384]	1340
[1402]	1341	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1342	.FALSE. )
[1]	1343	!
[2232]	1344	!-- Initialize surface elements and its attributes, e.g. heat- and
	1345	!-- momentumfluxes, roughness, scaling parameters. As number of surface
	1346	!-- elements might be different between runs, e.g. in case of cyclic fill,
	1347	!-- and not all surface elements are read, surface elements need to be
	1348	!-- initialized before.
	1349	CALL init_surfaces
	1350	!
[767]	1351	!-- When reading data for cyclic fill of 3D prerun data files, read
	1352	!-- some of the global variables from the restart file which are required
	1353	!-- for initializing the inflow
[328]	1354	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1355
[759]	1356	DO i = 0, io_blocks-1
	1357	IF ( i == io_group ) THEN
	1358	CALL read_parts_of_var_list
	1359	CALL close_file( 13 )
	1360	ENDIF
	1361	#if defined( __parallel )
	1362	CALL MPI_BARRIER( comm2d, ierr )
	1363	#endif
	1364	ENDDO
[328]	1365
[767]	1366	ENDIF
	1367
[151]	1368	!
[767]	1369	!-- Read binary data from restart file
	1370	DO i = 0, io_blocks-1
	1371	IF ( i == io_group ) THEN
	1372	CALL read_3d_binary
	1373	ENDIF
	1374	#if defined( __parallel )
	1375	CALL MPI_BARRIER( comm2d, ierr )
	1376	#endif
	1377	ENDDO
	1378
[328]	1379	!
[767]	1380	!-- Initialization of the turbulence recycling method
[1788]	1381	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1382	turbulent_inflow ) THEN
	1383	!
	1384	!-- First store the profiles to be used at the inflow.
	1385	!-- These profiles are the (temporally) and horizontally averaged vertical
	1386	!-- profiles from the prerun. Alternatively, prescribed profiles
	1387	!-- for u,v-components can be used.
[1960]	1388	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
[151]	1389
[767]	1390	IF ( use_prescribed_profile_data ) THEN
	1391	mean_inflow_profiles(:,1) = u_init ! u
	1392	mean_inflow_profiles(:,2) = v_init ! v
	1393	ELSE
[328]	1394	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1395	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1396	ENDIF
	1397	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1398	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1960]	1399	IF ( humidity ) &
	1400	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
	1401	IF ( passive_scalar ) &
	1402	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
[151]	1403
	1404	!
[767]	1405	!-- If necessary, adjust the horizontal flow field to the prescribed
	1406	!-- profiles
	1407	IF ( use_prescribed_profile_data ) THEN
	1408	DO i = nxlg, nxrg
[667]	1409	DO j = nysg, nyng
[328]	1410	DO k = nzb, nzt+1
[767]	1411	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1412	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1413	ENDDO
[151]	1414	ENDDO
[767]	1415	ENDDO
	1416	ENDIF
[151]	1417
	1418	!
[767]	1419	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1420	!-- conditions are used)
	1421	IF ( inflow_l ) THEN
	1422	DO j = nysg, nyng
	1423	DO k = nzb, nzt+1
	1424	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1425	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1426	w(k,j,nxlg:-1) = 0.0_wp
[767]	1427	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1428	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1960]	1429	IF ( humidity ) &
[1615]	1430	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[1960]	1431	IF ( passive_scalar ) &
	1432	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
[767]	1433	ENDDO
	1434	ENDDO
	1435	ENDIF
	1436
[151]	1437	!
[767]	1438	!-- Calculate the damping factors to be used at the inflow. For a
	1439	!-- turbulent inflow the turbulent fluctuations have to be limited
	1440	!-- vertically because otherwise the turbulent inflow layer will grow
	1441	!-- in time.
[1340]	1442	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1443	!
	1444	!-- Default: use the inversion height calculated by the prerun; if
	1445	!-- this is zero, inflow_damping_height must be explicitly
	1446	!-- specified.
[1340]	1447	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1448	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1449	ELSE
[1788]	1450	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1451	'explicitly specified because&the inversion height ', &
[767]	1452	'calculated by the prerun is zero.'
	1453	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1454	ENDIF
[151]	1455
[767]	1456	ENDIF
	1457
[1340]	1458	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1459	!
[767]	1460	!-- Default for the transition range: one tenth of the undamped
	1461	!-- layer
[1340]	1462	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1463
[767]	1464	ENDIF
[151]	1465
[767]	1466	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1467
[767]	1468	DO k = nzb, nzt+1
[151]	1469
[767]	1470	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1471	inflow_damping_factor(k) = 1.0_wp
[996]	1472	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1473	inflow_damping_factor(k) = 1.0_wp - &
[996]	1474	( zu(k) - inflow_damping_height ) / &
	1475	inflow_damping_width
[767]	1476	ELSE
[1340]	1477	inflow_damping_factor(k) = 0.0_wp
[767]	1478	ENDIF
[151]	1479
[767]	1480	ENDDO
[151]	1481
[147]	1482	ENDIF
	1483
[152]	1484	!
[359]	1485	!-- Inside buildings set velocities and TKE back to zero
[1788]	1486	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1487	topography /= 'flat' ) THEN
	1488	!
	1489	!-- Inside buildings set velocities and TKE back to zero.
	1490	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1491	!-- maybe revise later.
[1001]	1492	DO i = nxlg, nxrg
	1493	DO j = nysg, nyng
[2232]	1494	DO k = nzb, nzt
	1495	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
	1496	BTEST( wall_flags_0(k,j,i), 1 ) )
	1497	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
	1498	BTEST( wall_flags_0(k,j,i), 2 ) )
	1499	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, &
	1500	BTEST( wall_flags_0(k,j,i), 3 ) )
	1501	e(k,j,i) = MERGE( e(k,j,i), 0.0_wp, &
	1502	BTEST( wall_flags_0(k,j,i), 0 ) )
	1503	tu_m(k,j,i) = MERGE( tu_m(k,j,i), 0.0_wp, &
	1504	BTEST( wall_flags_0(k,j,i), 1 ) )
	1505	tv_m(k,j,i) = MERGE( tv_m(k,j,i), 0.0_wp, &
	1506	BTEST( wall_flags_0(k,j,i), 2 ) )
	1507	tw_m(k,j,i) = MERGE( tw_m(k,j,i), 0.0_wp, &
	1508	BTEST( wall_flags_0(k,j,i), 3 ) )
	1509	te_m(k,j,i) = MERGE( te_m(k,j,i), 0.0_wp, &
	1510	BTEST( wall_flags_0(k,j,i), 0 ) )
	1511	tpt_m(k,j,i) = MERGE( tpt_m(k,j,i), 0.0_wp, &
	1512	BTEST( wall_flags_0(k,j,i), 0 ) )
	1513	ENDDO
[359]	1514	ENDDO
[1001]	1515	ENDDO
[359]	1516
	1517	ENDIF
	1518
	1519	!
[1]	1520	!-- Calculate initial temperature field and other constants used in case
	1521	!-- of a sloping surface
	1522	IF ( sloping_surface ) CALL init_slope
	1523
	1524	!
	1525	!-- Initialize new time levels (only done in order to set boundary values
	1526	!-- including ghost points)
	1527	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1960]	1528	IF ( humidity ) THEN
[1053]	1529	q_p = q
[1822]	1530	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1531	qr_p = qr
	1532	nr_p = nr
	1533	ENDIF
	1534	ENDIF
[1960]	1535	IF ( passive_scalar ) s_p = s
	1536	IF ( ocean ) sa_p = sa
[1]	1537
[181]	1538	!
	1539	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1540	!-- have to be predefined here because they are used (but multiplied with 0)
	1541	!-- there before they are set.
[1340]	1542	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]	1543	IF ( humidity ) THEN
[1340]	1544	tq_m = 0.0_wp
[1822]	1545	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1546	tqr_m = 0.0_wp
	1547	tnr_m = 0.0_wp
[1053]	1548	ENDIF
	1549	ENDIF
[1960]	1550	IF ( passive_scalar ) ts_m = 0.0_wp
	1551	IF ( ocean ) tsa_m = 0.0_wp
[2259]	1552	!
	1553	!-- Initialize synthetic turbulence generator in case of restart.
	1554	IF ( TRIM( initializing_actions ) == 'read_restart_data' .AND. &
	1555	use_synthetic_turbulence_generator ) CALL stg_init
[181]	1556
[1402]	1557	CALL location_message( 'finished', .TRUE. )
[1384]	1558
[1]	1559	ELSE
	1560	!
	1561	!-- Actually this part of the programm should not be reached
[254]	1562	message_string = 'unknown initializing problem'
	1563	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1564	ENDIF
	1565
[151]	1566
	1567	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1568	!
[151]	1569	!-- Initialize old timelevels needed for radiation boundary conditions
	1570	IF ( outflow_l ) THEN
	1571	u_m_l(:,:,:) = u(:,:,1:2)
	1572	v_m_l(:,:,:) = v(:,:,0:1)
	1573	w_m_l(:,:,:) = w(:,:,0:1)
	1574	ENDIF
	1575	IF ( outflow_r ) THEN
	1576	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1577	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1578	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1579	ENDIF
	1580	IF ( outflow_s ) THEN
	1581	u_m_s(:,:,:) = u(:,0:1,:)
	1582	v_m_s(:,:,:) = v(:,1:2,:)
	1583	w_m_s(:,:,:) = w(:,0:1,:)
	1584	ENDIF
	1585	IF ( outflow_n ) THEN
	1586	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1587	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1588	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1589	ENDIF
[667]	1590
[151]	1591	ENDIF
[680]	1592
[667]	1593	!
	1594	!-- Calculate the initial volume flow at the right and north boundary
[709]	1595	IF ( conserve_volume_flow ) THEN
[151]	1596
[767]	1597	IF ( use_prescribed_profile_data ) THEN
[667]	1598
[1340]	1599	volume_flow_initial_l = 0.0_wp
	1600	volume_flow_area_l = 0.0_wp
[732]	1601
[667]	1602	IF ( nxr == nx ) THEN
	1603	DO j = nys, nyn
[2232]	1604	DO k = nzb+1, nzt
[1788]	1605	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[2232]	1606	u_init(k) * dzw(k) &
	1607	* MERGE( 1.0_wp, 0.0_wp, &
	1608	BTEST( wall_flags_0(k,j,nxr), 1 )&
	1609	)
	1610
	1611	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1612	* MERGE( 1.0_wp, 0.0_wp, &
	1613	BTEST( wall_flags_0(k,j,nxr), 1 )&
	1614	)
[767]	1615	ENDDO
	1616	ENDDO
	1617	ENDIF
	1618
	1619	IF ( nyn == ny ) THEN
	1620	DO i = nxl, nxr
[2232]	1621	DO k = nzb+1, nzt
	1622	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1623	v_init(k) * dzw(k) &
	1624	* MERGE( 1.0_wp, 0.0_wp, &
	1625	BTEST( wall_flags_0(k,nyn,i), 2 )&
	1626	)
	1627	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1628	* MERGE( 1.0_wp, 0.0_wp, &
	1629	BTEST( wall_flags_0(k,nyn,i), 2 )&
	1630	)
[767]	1631	ENDDO
	1632	ENDDO
	1633	ENDIF
	1634
	1635	#if defined( __parallel )
	1636	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1637	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1638	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1639	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1640
	1641	#else
	1642	volume_flow_initial = volume_flow_initial_l
	1643	volume_flow_area = volume_flow_area_l
	1644	#endif
	1645
	1646	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1647
[1340]	1648	volume_flow_initial_l = 0.0_wp
	1649	volume_flow_area_l = 0.0_wp
[767]	1650
	1651	IF ( nxr == nx ) THEN
	1652	DO j = nys, nyn
[2232]	1653	DO k = nzb+1, nzt
[1788]	1654	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[2232]	1655	hom_sum(k,1,0) * dzw(k) &
	1656	* MERGE( 1.0_wp, 0.0_wp, &
	1657	BTEST( wall_flags_0(k,j,nx), 1 ) &
	1658	)
	1659	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1660	* MERGE( 1.0_wp, 0.0_wp, &
	1661	BTEST( wall_flags_0(k,j,nx), 1 ) &
	1662	)
[667]	1663	ENDDO
	1664	ENDDO
	1665	ENDIF
	1666
	1667	IF ( nyn == ny ) THEN
	1668	DO i = nxl, nxr
[2232]	1669	DO k = nzb+1, nzt
[1788]	1670	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[2232]	1671	hom_sum(k,2,0) * dzw(k) &
	1672	* MERGE( 1.0_wp, 0.0_wp, &
	1673	BTEST( wall_flags_0(k,ny,i), 2 ) &
	1674	)
	1675	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1676	* MERGE( 1.0_wp, 0.0_wp, &
	1677	BTEST( wall_flags_0(k,ny,i), 2 ) &
	1678	)
[667]	1679	ENDDO
	1680	ENDDO
	1681	ENDIF
	1682
[732]	1683	#if defined( __parallel )
	1684	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1685	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1686	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1687	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1688
	1689	#else
	1690	volume_flow_initial = volume_flow_initial_l
	1691	volume_flow_area = volume_flow_area_l
	1692	#endif
	1693
[667]	1694	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1695
[1340]	1696	volume_flow_initial_l = 0.0_wp
	1697	volume_flow_area_l = 0.0_wp
[732]	1698
[667]	1699	IF ( nxr == nx ) THEN
	1700	DO j = nys, nyn
[2232]	1701	DO k = nzb+1, nzt
	1702	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1703	u(k,j,nx) * dzw(k) &
	1704	* MERGE( 1.0_wp, 0.0_wp, &
	1705	BTEST( wall_flags_0(k,j,nx), 1 ) &
	1706	)
	1707	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1708	* MERGE( 1.0_wp, 0.0_wp, &
	1709	BTEST( wall_flags_0(k,j,nx), 1 ) &
	1710	)
[667]	1711	ENDDO
	1712	ENDDO
	1713	ENDIF
	1714
	1715	IF ( nyn == ny ) THEN
	1716	DO i = nxl, nxr
[2232]	1717	DO k = nzb+1, nzt
[1788]	1718	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[2232]	1719	v(k,ny,i) * dzw(k) &
	1720	* MERGE( 1.0_wp, 0.0_wp, &
	1721	BTEST( wall_flags_0(k,ny,i), 2 ) &
	1722	)
	1723	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1724	* MERGE( 1.0_wp, 0.0_wp, &
	1725	BTEST( wall_flags_0(k,ny,i), 2 ) &
	1726	)
[667]	1727	ENDDO
	1728	ENDDO
	1729	ENDIF
	1730
	1731	#if defined( __parallel )
[732]	1732	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1733	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1734	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1735	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1736
	1737	#else
[732]	1738	volume_flow_initial = volume_flow_initial_l
	1739	volume_flow_area = volume_flow_area_l
[667]	1740	#endif
	1741
[732]	1742	ENDIF
	1743
[151]	1744	!
[709]	1745	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1746	!-- from u\|v_bulk instead
[680]	1747	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1748	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1749	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1750	ENDIF
[667]	1751
[680]	1752	ENDIF
[2232]	1753	!
	1754	!-- Initialize surface elements and its attributes, e.g. heat- and
	1755	!-- momentumfluxes, roughness, scaling parameters.
	1756	!-- This is already done in case of restart data.
	1757	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1758	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1759	CALL init_surfaces
	1760	!
	1761	!-- Finally, if random_heatflux is set, disturb shf at horizontal
	1762	!-- surfaces. Actually, this should be done in surface_mod, where all other
	1763	!-- initializations of surface quantities are done. However, this
	1764	!-- would create a ring dependency, hence, it is done here. Maybe delete
	1765	!-- disturb_heatflux and tranfer the respective code directly into the
	1766	!-- initialization in surface_mod.
	1767	IF ( use_surface_fluxes .AND. constant_heatflux .AND. &
	1768	random_heatflux ) THEN
	1769	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
	1770	IF ( surf_lsm_h%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h )
	1771	IF ( surf_usm_h%ns >= 1 ) CALL disturb_heatflux( surf_usm_h )
	1772	ENDIF
	1773	ENDIF
[680]	1774
[787]	1775	!
[2232]	1776	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
	1777	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
	1778	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	1779	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
	1780	CALL ls_forcing_surf ( simulated_time )
	1781	ENDIF
	1782	ENDIF
	1783	!
[787]	1784	!-- Initialize quantities for special advections schemes
	1785	CALL init_advec
[680]	1786
[667]	1787	!
[680]	1788	!-- Impose random perturbation on the horizontal velocity field and then
	1789	!-- remove the divergences from the velocity field at the initial stage
[1788]	1790	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1791	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1792	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1793
[1402]	1794	CALL location_message( 'creating initial disturbances', .FALSE. )
[2232]	1795	CALL disturb_field( 'u', tend, u )
	1796	CALL disturb_field( 'v', tend, v )
[1402]	1797	CALL location_message( 'finished', .TRUE. )
[1384]	1798
[1402]	1799	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1800	n_sor = nsor_ini
	1801	CALL pres
	1802	n_sor = nsor
[1402]	1803	CALL location_message( 'finished', .TRUE. )
[1384]	1804
[680]	1805	ENDIF
	1806
	1807	!
[1484]	1808	!-- If required, initialize quantities needed for the plant canopy model
[2007]	1809	IF ( plant_canopy ) THEN
	1810	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1811	CALL pcm_init
	1812	CALL location_message( 'finished', .TRUE. )
	1813	ENDIF
[138]	1814
	1815	!
[1]	1816	!-- If required, initialize dvrp-software
[1340]	1817	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1818
[96]	1819	IF ( ocean ) THEN
[1]	1820	!
[96]	1821	!-- Initialize quantities needed for the ocean model
	1822	CALL init_ocean
[388]	1823
[96]	1824	ELSE
	1825	!
	1826	!-- Initialize quantities for handling cloud physics
[849]	1827	!-- This routine must be called before lpm_init, because
[96]	1828	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1829	!-- lpm_init) is not defined.
[96]	1830	CALL init_cloud_physics
[1849]	1831	!
	1832	!-- Initialize bulk cloud microphysics
	1833	CALL microphysics_init
[96]	1834	ENDIF
[1]	1835
	1836	!
	1837	!-- If required, initialize particles
[849]	1838	IF ( particle_advection ) CALL lpm_init
[1]	1839
[1585]	1840	!
	1841	!-- If required, initialize quantities needed for the LSM
	1842	IF ( land_surface ) THEN
	1843	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1844	CALL lsm_init
[1585]	1845	CALL location_message( 'finished', .TRUE. )
	1846	ENDIF
[1496]	1847
[1]	1848	!
[1691]	1849	!-- Initialize surface layer (done after LSM as roughness length are required
	1850	!-- for initialization
	1851	IF ( constant_flux_layer ) THEN
	1852	CALL location_message( 'initializing surface layer', .FALSE. )
	1853	CALL init_surface_layer_fluxes
	1854	CALL location_message( 'finished', .TRUE. )
	1855	ENDIF
	1856
	1857	!
[1496]	1858	!-- If required, initialize radiation model
	1859	IF ( radiation ) THEN
[1585]	1860	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1861	CALL radiation_init
[1585]	1862	CALL location_message( 'finished', .TRUE. )
[1496]	1863	ENDIF
[2007]	1864
[1914]	1865	!
[2007]	1866	!-- If required, initialize urban surface model
	1867	IF ( urban_surface ) THEN
	1868	CALL location_message( 'initializing urban surface model', .FALSE. )
	1869	CALL usm_init_urban_surface
	1870	CALL location_message( 'finished', .TRUE. )
	1871	ENDIF
	1872
	1873	!
[1914]	1874	!-- If required, initialize quantities needed for the wind turbine model
	1875	IF ( wind_turbine ) THEN
	1876	CALL location_message( 'initializing wind turbine model', .FALSE. )
	1877	CALL wtm_init
	1878	CALL location_message( 'finished', .TRUE. )
	1879	ENDIF
[1496]	1880
[1914]	1881
[1496]	1882	!
[673]	1883	!-- Initialize the ws-scheme.
	1884	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1885
	1886	!
[709]	1887	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	1888	!-- and turbulent quantities from the RK substeps
[709]	1889	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1890
[1322]	1891	weight_substep(1) = 1._wp/6._wp
	1892	weight_substep(2) = 3._wp/10._wp
	1893	weight_substep(3) = 8._wp/15._wp
[709]	1894
[1322]	1895	weight_pres(1) = 1._wp/3._wp
	1896	weight_pres(2) = 5._wp/12._wp
	1897	weight_pres(3) = 1._wp/4._wp
[709]	1898
	1899	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1900
[1322]	1901	weight_substep(1) = 1._wp/2._wp
	1902	weight_substep(2) = 1._wp/2._wp
[673]	1903
[1322]	1904	weight_pres(1) = 1._wp/2._wp
	1905	weight_pres(2) = 1._wp/2._wp
[709]	1906
[1001]	1907	ELSE ! for Euler-method
[709]	1908
[1340]	1909	weight_substep(1) = 1.0_wp
	1910	weight_pres(1) = 1.0_wp
[709]	1911
[673]	1912	ENDIF
	1913
	1914	!
[1]	1915	!-- Initialize Rayleigh damping factors
[1340]	1916	rdf = 0.0_wp
	1917	rdf_sc = 0.0_wp
	1918	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	1919	IF ( .NOT. ocean ) THEN
[108]	1920	DO k = nzb+1, nzt
	1921	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	1922	rdf(k) = rayleigh_damping_factor * &
[1340]	1923	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	1924	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	1925	)**2
[108]	1926	ENDIF
	1927	ENDDO
	1928	ELSE
	1929	DO k = nzt, nzb+1, -1
	1930	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	1931	rdf(k) = rayleigh_damping_factor * &
[1340]	1932	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	1933	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	1934	)**2
	1935	ENDIF
	1936	ENDDO
	1937	ENDIF
[1]	1938	ENDIF
[785]	1939	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1940
	1941	!
[240]	1942	!-- Initialize the starting level and the vertical smoothing factor used for
	1943	!-- the external pressure gradient
[1340]	1944	dp_smooth_factor = 1.0_wp
[240]	1945	IF ( dp_external ) THEN
	1946	!
	1947	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1948	!-- (e.g. in init_grid).
	1949	IF ( dp_level_ind_b == 0 ) THEN
	1950	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1951	dp_level_ind_b = ind_array(1) - 1 + nzb
	1952	! MINLOC uses lower array bound 1
	1953	ENDIF
	1954	IF ( dp_smooth ) THEN
[1340]	1955	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1956	DO k = dp_level_ind_b+1, nzt
[1340]	1957	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1958	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1959	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1960	ENDDO
	1961	ENDIF
	1962	ENDIF
	1963
	1964	!
[978]	1965	!-- Initialize damping zone for the potential temperature in case of
	1966	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1967	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1968	ptdf_x = 0.0_wp
	1969	ptdf_y = 0.0_wp
[1159]	1970	IF ( bc_lr_dirrad ) THEN
[996]	1971	DO i = nxl, nxr
[978]	1972	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1973	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1974	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	1975	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1976	ENDIF
	1977	ENDDO
[1159]	1978	ELSEIF ( bc_lr_raddir ) THEN
[996]	1979	DO i = nxl, nxr
[978]	1980	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1981	ptdf_x(i) = pt_damping_factor * &
[1340]	1982	SIN( pi * 0.5_wp * &
	1983	( ( i - nx ) * dx + pt_damping_width ) / &
	1984	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1985	ENDIF
[978]	1986	ENDDO
[1159]	1987	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1988	DO j = nys, nyn
[978]	1989	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1990	ptdf_y(j) = pt_damping_factor * &
[1340]	1991	SIN( pi * 0.5_wp * &
	1992	( ( j - ny ) * dy + pt_damping_width ) / &
	1993	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1994	ENDIF
[978]	1995	ENDDO
[1159]	1996	ELSEIF ( bc_ns_raddir ) THEN
[996]	1997	DO j = nys, nyn
[978]	1998	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1999	ptdf_y(j) = pt_damping_factor * &
[1340]	2000	SIN( pi * 0.5_wp * &
	2001	( pt_damping_width - j * dy ) / &
	2002	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2003	ENDIF
[73]	2004	ENDDO
[1]	2005	ENDIF
	2006
	2007	!
	2008	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	2009	!-- Ghost points are excluded because counting values at the ghost boundaries
	2010	!-- would bias the statistics
[1340]	2011	rmask = 1.0_wp
	2012	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	2013	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	2014
	2015	!
[51]	2016	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	2017	!-- of allowed timeseries is exceeded
[1]	2018	CALL user_init
	2019
[51]	2020	IF ( dots_num > dots_max ) THEN
[1788]	2021	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	2022	' its maximum of dots_max = ', dots_max, &
[254]	2023	' &Please increase dots_max in modules.f90.'
	2024	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	2025	ENDIF
	2026
[1]	2027	!
	2028	!-- Input binary data file is not needed anymore. This line must be placed
	2029	!-- after call of user_init!
	2030	CALL close_file( 13 )
	2031
	2032	!
	2033	!-- Compute total sum of active mask grid points
[1738]	2034	!-- and the mean surface level height for each statistic region
[1]	2035	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	2036	!-- total domain
	2037	!-- ngp_3d: number of grid points of the total domain
[132]	2038	ngp_2dh_outer_l = 0
	2039	ngp_2dh_outer = 0
	2040	ngp_2dh_s_inner_l = 0
	2041	ngp_2dh_s_inner = 0
	2042	ngp_2dh_l = 0
	2043	ngp_2dh = 0
[1340]	2044	ngp_3d_inner_l = 0.0_wp
[132]	2045	ngp_3d_inner = 0
	2046	ngp_3d = 0
	2047	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	2048
[1738]	2049	mean_surface_level_height = 0.0_wp
	2050	mean_surface_level_height_l = 0.0_wp
	2051
[2232]	2052	!
	2053	!-- To do: New concept for these non-topography grid points!
[1]	2054	DO sr = 0, statistic_regions
	2055	DO i = nxl, nxr
	2056	DO j = nys, nyn
[1340]	2057	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	2058	!
	2059	!-- All xy-grid points
	2060	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	2061	!
[2232]	2062	!-- Determine mean surface-level height. In case of downward-
	2063	!-- facing walls are present, more than one surface level exist.
	2064	!-- In this case, use the lowest surface-level height.
	2065	IF ( surf_def_h(0)%start_index(j,i) <= &
	2066	surf_def_h(0)%end_index(j,i) ) THEN
	2067	m = surf_def_h(0)%start_index(j,i)
	2068	k = surf_def_h(0)%k(m)
	2069	mean_surface_level_height_l(sr) = &
	2070	mean_surface_level_height_l(sr) + zw(k-1)
	2071	ENDIF
	2072	IF ( surf_lsm_h%start_index(j,i) <= &
	2073	surf_lsm_h%end_index(j,i) ) THEN
	2074	m = surf_lsm_h%start_index(j,i)
	2075	k = surf_lsm_h%k(m)
	2076	mean_surface_level_height_l(sr) = &
	2077	mean_surface_level_height_l(sr) + zw(k-1)
	2078	ENDIF
	2079	IF ( surf_usm_h%start_index(j,i) <= &
	2080	surf_usm_h%end_index(j,i) ) THEN
	2081	m = surf_usm_h%start_index(j,i)
	2082	k = surf_usm_h%k(m)
	2083	mean_surface_level_height_l(sr) = &
	2084	mean_surface_level_height_l(sr) + zw(k-1)
	2085	ENDIF
	2086
	2087	k_surf = k - 1
	2088
	2089	DO k = nzb, nzt+1
	2090	!
	2091	!-- xy-grid points above topography
	2092	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
	2093	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 24 ) )
	2094
	2095	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
	2096	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 22 ) )
	2097
[1]	2098	ENDDO
	2099	!
	2100	!-- All grid points of the total domain above topography
[2232]	2101	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
	2102
	2103
	2104
[1]	2105	ENDIF
	2106	ENDDO
	2107	ENDDO
	2108	ENDDO
	2109
	2110	sr = statistic_regions + 1
	2111	#if defined( __parallel )
[622]	2112	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2113	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	2114	comm2d, ierr )
[622]	2115	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2116	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	2117	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2118	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2119	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	2120	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2121	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2122	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	2123	MPI_SUM, comm2d, ierr )
[485]	2124	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2125	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2126	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	2127	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	2128	MPI_SUM, comm2d, ierr )
	2129	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	2130	#else
[132]	2131	ngp_2dh = ngp_2dh_l
	2132	ngp_2dh_outer = ngp_2dh_outer_l
	2133	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	2134	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2135	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	2136	#endif
	2137
[560]	2138	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	2139	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	2140
	2141	!
	2142	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	2143	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	2144	!-- the respective subdomain lie below the surface topography
[667]	2145	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	2146	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	2147	ngp_3d_inner(:) )
[667]	2148	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	2149
[1788]	2150	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	2151	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	2152
[1402]	2153	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	2154
	2155	END SUBROUTINE init_3d_model

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