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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2249

Last change on this file since 2249 was 2233, checked in by suehring, 8 years ago

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

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