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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2253

Last change on this file since 2253 was 2252, checked in by knoop, 7 years ago

air density now depending on surface_pressure even in boussinesq mode

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

File size: 80.2 KB

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

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