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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2274

Last change on this file since 2274 was 2270, checked in by maronga, 7 years ago

major revisions in land surface model

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

File size: 81.3 KB

Rev	Line
[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 2270 2017-06-09 12:18:47Z Giersch $
[2270]	27	! dots_num must be increased when LSM and/or radiation is used
	28	!
	29	! 2259 2017-06-08 09:09:11Z gronemeier
[2259]	30	! Implemented synthetic turbulence generator
	31	!
	32	! 2252 2017-06-07 09:35:37Z knoop
[2252]	33	! rho_air now depending on surface_pressure even in Boussinesq mode
	34	!
	35	! 2233 2017-05-30 18:08:54Z suehring
[2233]	36	!
	37	! 2232 2017-05-30 17:47:52Z suehring
[2232]	38	! Adjustments to new topography and surface concept:
	39	! - Modify passed parameters for disturb_field
	40	! - Topography representation via flags
	41	! - Remove unused arrays.
	42	! - Move initialization of surface-related quantities to surface_mod
[1961]	43	!
[2173]	44	! 2172 2017-03-08 15:55:25Z knoop
	45	! Bugfix: moved parallel random generator initialization into its module
	46	!
[2119]	47	! 2118 2017-01-17 16:38:49Z raasch
	48	! OpenACC directives removed
	49	!
[2038]	50	! 2037 2016-10-26 11:15:40Z knoop
	51	! Anelastic approximation implemented
	52	!
[2032]	53	! 2031 2016-10-21 15:11:58Z knoop
	54	! renamed variable rho to rho_ocean
	55	!
[2012]	56	! 2011 2016-09-19 17:29:57Z kanani
	57	! Flag urban_surface is now defined in module control_parameters.
	58	!
[2008]	59	! 2007 2016-08-24 15:47:17Z kanani
	60	! Added support for urban surface model,
	61	! adjusted location_message in case of plant_canopy
	62	!
[2001]	63	! 2000 2016-08-20 18:09:15Z knoop
	64	! Forced header and separation lines into 80 columns
	65	!
[1993]	66	! 1992 2016-08-12 15:14:59Z suehring
	67	! Initializaton of scalarflux at model top
	68	! Bugfixes in initialization of surface and top salinity flux, top scalar and
	69	! humidity fluxes
	70	!
[1961]	71	! 1960 2016-07-12 16:34:24Z suehring
[1960]	72	! Separate humidity and passive scalar
	73	! Increase dimension for mean_inflow_profiles
	74	! Remove inadvertent write-statement
	75	! Bugfix, large-scale forcing is still not implemented for passive scalars
[1919]	76	!
[1958]	77	! 1957 2016-07-07 10:43:48Z suehring
	78	! flight module added
	79	!
[1921]	80	! 1920 2016-05-30 10:50:15Z suehring
	81	! Initialize us with very small number to avoid segmentation fault during
	82	! calculation of Obukhov length
	83	!
[1919]	84	! 1918 2016-05-27 14:35:57Z raasch
	85	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	86	! bugfix: initialization of local sum arrays are moved to the beginning of the
	87	! routine because otherwise results from pres are overwritten
	88	!
[1917]	89	! 1914 2016-05-26 14:44:07Z witha
	90	! Added initialization of the wind turbine model
	91	!
[1879]	92	! 1878 2016-04-19 12:30:36Z hellstea
	93	! The zeroth element of weight_pres removed as unnecessary
	94	!
[1851]	95	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	96	! Adapted for modularization of microphysics.
	97	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	98	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	99	! microphysics_init.
	100	!
[1846]	101	! 1845 2016-04-08 08:29:13Z raasch
	102	! nzb_2d replaced by nzb_u\|v_inner
[1914]	103	!
[1834]	104	! 1833 2016-04-07 14:23:03Z raasch
	105	! initialization of spectra quantities moved to spectra_mod
	106	!
[1832]	107	! 1831 2016-04-07 13:15:51Z hoffmann
	108	! turbulence renamed collision_turbulence
	109	!
[1827]	110	! 1826 2016-04-07 12:01:39Z maronga
	111	! Renamed radiation calls.
	112	! Renamed canopy model calls.
	113	!
[1823]	114	! 1822 2016-04-07 07:49:42Z hoffmann
	115	! icloud_scheme replaced by microphysics_*
[1914]	116	!
[1818]	117	! 1817 2016-04-06 15:44:20Z maronga
	118	! Renamed lsm calls.
	119	!
[1816]	120	! 1815 2016-04-06 13:49:59Z raasch
	121	! zero-settings for velocities inside topography re-activated (was deactivated
	122	! in r1762)
	123	!
[1789]	124	! 1788 2016-03-10 11:01:04Z maronga
	125	! Added z0q.
	126	! Syntax layout improved.
	127	!
[1784]	128	! 1783 2016-03-06 18:36:17Z raasch
	129	! netcdf module name changed + related changes
	130	!
[1765]	131	! 1764 2016-02-28 12:45:19Z raasch
	132	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	133	!
[1763]	134	! 1762 2016-02-25 12:31:13Z hellstea
	135	! Introduction of nested domain feature
	136	!
[1739]	137	! 1738 2015-12-18 13:56:05Z raasch
	138	! calculate mean surface level height for each statistic region
	139	!
[1735]	140	! 1734 2015-12-02 12:17:12Z raasch
	141	! no initial disturbances in case that the disturbance energy limit has been
	142	! set zero
	143	!
[1708]	144	! 1707 2015-11-02 15:24:52Z maronga
	145	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	146	! devision by zero in neutral stratification
	147	!
[1692]	148	! 1691 2015-10-26 16:17:44Z maronga
	149	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	150	!
[1683]	151	! 1682 2015-10-07 23:56:08Z knoop
	152	! Code annotations made doxygen readable
	153	!
[1616]	154	! 1615 2015-07-08 18:49:19Z suehring
	155	! Enable turbulent inflow for passive_scalar and humidity
	156	!
[1586]	157	! 1585 2015-04-30 07:05:52Z maronga
	158	! Initialization of radiation code is now done after LSM initializtion
	159	!
[1576]	160	! 1575 2015-03-27 09:56:27Z raasch
	161	! adjustments for psolver-queries
	162	!
[1552]	163	! 1551 2015-03-03 14:18:16Z maronga
[1817]	164	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	165	! which is part of land_surface_model.
	166	!
[1508]	167	! 1507 2014-12-10 12:14:18Z suehring
	168	! Bugfix: set horizontal velocity components to zero inside topography
	169	!
[1497]	170	! 1496 2014-12-02 17:25:50Z maronga
	171	! Added initialization of the land surface and radiation schemes
	172	!
[1485]	173	! 1484 2014-10-21 10:53:05Z kanani
[1484]	174	! Changes due to new module structure of the plant canopy model:
[1508]	175	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	176	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	177	! call of subroutine init_plant_canopy added.
[1341]	178	!
[1432]	179	! 1431 2014-07-15 14:47:17Z suehring
	180	! var_d added, in order to normalize spectra.
	181	!
[1430]	182	! 1429 2014-07-15 12:53:45Z knoop
	183	! Ensemble run capability added to parallel random number generator
	184	!
[1412]	185	! 1411 2014-05-16 18:01:51Z suehring
	186	! Initial horizontal velocity profiles were not set to zero at the first vertical
	187	! grid level in case of non-cyclic lateral boundary conditions.
	188	!
[1407]	189	! 1406 2014-05-16 13:47:01Z raasch
	190	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	191	! no-slip boundary condition for uv
	192	!
[1403]	193	! 1402 2014-05-09 14:25:13Z raasch
	194	! location messages modified
	195	!
[1401]	196	! 1400 2014-05-09 14:03:54Z knoop
	197	! Parallel random number generator added
	198	!
[1385]	199	! 1384 2014-05-02 14:31:06Z raasch
	200	! location messages added
	201	!
[1362]	202	! 1361 2014-04-16 15:17:48Z hoffmann
	203	! tend_* removed
	204	! Bugfix: w_subs is not allocated anymore if it is already allocated
	205	!
[1360]	206	! 1359 2014-04-11 17:15:14Z hoffmann
	207	! module lpm_init_mod added to use statements, because lpm_init has become a
	208	! module
	209	!
[1354]	210	! 1353 2014-04-08 15:21:23Z heinze
	211	! REAL constants provided with KIND-attribute
	212	!
[1341]	213	! 1340 2014-03-25 19:45:13Z kanani
	214	! REAL constants defined as wp-kind
	215	!
[1323]	216	! 1322 2014-03-20 16:38:49Z raasch
	217	! REAL constants defined as wp-kind
	218	! module interfaces removed
	219	!
[1321]	220	! 1320 2014-03-20 08:40:49Z raasch
	221	! ONLY-attribute added to USE-statements,
	222	! kind-parameters added to all INTEGER and REAL declaration statements,
	223	! kinds are defined in new module kinds,
	224	! revision history before 2012 removed,
	225	! comment fields (!:) to be used for variable explanations added to
	226	! all variable declaration statements
	227	!
[1317]	228	! 1316 2014-03-17 07:44:59Z heinze
	229	! Bugfix: allocation of w_subs
	230	!
[1300]	231	! 1299 2014-03-06 13:15:21Z heinze
	232	! Allocate w_subs due to extension of large scale subsidence in combination
	233	! with large scale forcing data (LSF_DATA)
	234	!
[1242]	235	! 1241 2013-10-30 11:36:58Z heinze
	236	! Overwrite initial profiles in case of nudging
	237	! Inititialize shf and qsws in case of large_scale_forcing
	238	!
[1222]	239	! 1221 2013-09-10 08:59:13Z raasch
	240	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	241	! copy
	242	!
[1213]	243	! 1212 2013-08-15 08:46:27Z raasch
	244	! array tri is allocated and included in data copy statement
	245	!
[1196]	246	! 1195 2013-07-01 12:27:57Z heinze
	247	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	248	!
[1182]	249	! 1179 2013-06-14 05:57:58Z raasch
	250	! allocate and set ref_state to be used in buoyancy terms
	251	!
[1172]	252	! 1171 2013-05-30 11:27:45Z raasch
	253	! diss array is allocated with full size if accelerator boards are used
	254	!
[1160]	255	! 1159 2013-05-21 11:58:22Z fricke
	256	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	257	!
[1154]	258	! 1153 2013-05-10 14:33:08Z raasch
	259	! diss array is allocated with dummy elements even if it is not needed
[1171]	260	! (required by PGI 13.4 / CUDA 5.0)
[1154]	261	!
[1116]	262	! 1115 2013-03-26 18:16:16Z hoffmann
	263	! unused variables removed
	264	!
[1114]	265	! 1113 2013-03-10 02:48:14Z raasch
	266	! openACC directive modified
	267	!
[1112]	268	! 1111 2013-03-08 23:54:10Z raasch
	269	! openACC directives added for pres
	270	! array diss allocated only if required
	271	!
[1093]	272	! 1092 2013-02-02 11:24:22Z raasch
	273	! unused variables removed
	274	!
[1066]	275	! 1065 2012-11-22 17:42:36Z hoffmann
	276	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	277	!
[1054]	278	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	279	! allocation and initialisation of necessary data arrays for the two-moment
	280	! cloud physics scheme the two new prognostic equations (nr, qr):
	281	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	282	! +tend_*, prr
[979]	283	!
[1037]	284	! 1036 2012-10-22 13:43:42Z raasch
	285	! code put under GPL (PALM 3.9)
	286	!
[1033]	287	! 1032 2012-10-21 13:03:21Z letzel
	288	! save memory by not allocating pt_2 in case of neutral = .T.
	289	!
[1026]	290	! 1025 2012-10-07 16:04:41Z letzel
	291	! bugfix: swap indices of mask for ghost boundaries
	292	!
[1017]	293	! 1015 2012-09-27 09:23:24Z raasch
	294	! mask is set to zero for ghost boundaries
	295	!
[1011]	296	! 1010 2012-09-20 07:59:54Z raasch
	297	! cpp switch __nopointer added for pointer free version
	298	!
[1004]	299	! 1003 2012-09-14 14:35:53Z raasch
	300	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	301	!
[1002]	302	! 1001 2012-09-13 14:08:46Z raasch
	303	! all actions concerning leapfrog scheme removed
	304	!
[997]	305	! 996 2012-09-07 10:41:47Z raasch
	306	! little reformatting
	307	!
[979]	308	! 978 2012-08-09 08:28:32Z fricke
[978]	309	! outflow damping layer removed
	310	! roughness length for scalar quantites z0h added
	311	! damping zone for the potential temperatur in case of non-cyclic lateral
	312	! boundaries added
	313	! initialization of ptdf_x, ptdf_y
	314	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	315	!
[850]	316	! 849 2012-03-15 10:35:09Z raasch
	317	! init_particles renamed lpm_init
	318	!
[826]	319	! 825 2012-02-19 03:03:44Z raasch
	320	! wang_collision_kernel renamed wang_kernel
	321	!
[1]	322	! Revision 1.1 1998/03/09 16:22:22 raasch
	323	! Initial revision
	324	!
	325	!
	326	! Description:
	327	! ------------
[1682]	328	!> Allocation of arrays and initialization of the 3D model via
	329	!> a) pre-run the 1D model
	330	!> or
	331	!> b) pre-set constant linear profiles
	332	!> or
	333	!> c) read values of a previous run
[1]	334	!------------------------------------------------------------------------------!
[1682]	335	SUBROUTINE init_3d_model
	336
[1]	337
[667]	338	USE advec_ws
[1320]	339
[1]	340	USE arrays_3d
[1849]	341
[2037]	342	USE cloud_parameters, &
	343	ONLY: cp, l_v, r_d
	344
[1320]	345	USE constants, &
	346	ONLY: pi
	347
[1]	348	USE control_parameters
[1320]	349
[1957]	350	USE flight_mod, &
	351	ONLY: flight_init
	352
[1320]	353	USE grid_variables, &
[2037]	354	ONLY: dx, dy, ddx2_mg, ddy2_mg
[1320]	355
[1]	356	USE indices
[1359]	357
[1429]	358	USE lpm_init_mod, &
[1359]	359	ONLY: lpm_init
[1320]	360
	361	USE kinds
[1496]	362
	363	USE land_surface_model_mod, &
[2232]	364	ONLY: lsm_init, lsm_init_arrays
[1496]	365
[1241]	366	USE ls_forcing_mod
[1849]	367
	368	USE microphysics_mod, &
	369	ONLY: collision_turbulence, microphysics_init
	370
[1320]	371	USE model_1d, &
	372	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	373
[1783]	374	USE netcdf_interface, &
	375	ONLY: dots_max, dots_num
[1320]	376
	377	USE particle_attributes, &
	378	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	379
[1]	380	USE pegrid
[1320]	381
[1484]	382	USE plant_canopy_model_mod, &
[1826]	383	ONLY: pcm_init, plant_canopy
[1496]	384
	385	USE radiation_model_mod, &
[2270]	386	ONLY: radiation_init, radiation, radiation_scheme
[1484]	387
[1320]	388	USE random_function_mod
	389
[1400]	390	USE random_generator_parallel, &
[2172]	391	ONLY: init_parallel_random_generator
[1400]	392
[1320]	393	USE statistics, &
[1738]	394	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	395	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	396	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	397	weight_pres, weight_substep
[2259]	398
	399	USE synthetic_turbulence_generator_mod, &
	400	ONLY: stg_init, use_synthetic_turbulence_generator
	401
[1691]	402	USE surface_layer_fluxes_mod, &
	403	ONLY: init_surface_layer_fluxes
[2232]	404
	405	USE surface_mod, &
	406	ONLY : init_surface_arrays, init_surfaces, surf_def_h, surf_lsm_h, &
	407	surf_usm_h
[1691]	408
[2007]	409	USE transpose_indices
[1]	410
[2007]	411	USE urban_surface_mod, &
[2011]	412	ONLY: usm_init_urban_surface
[2007]	413
[1914]	414	USE wind_turbine_model_mod, &
	415	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	416
[1]	417	IMPLICIT NONE
	418
[1682]	419	INTEGER(iwp) :: i !<
	420	INTEGER(iwp) :: ind_array(1) !<
	421	INTEGER(iwp) :: j !<
	422	INTEGER(iwp) :: k !<
[2232]	423	INTEGER(iwp) :: k_surf !< surface level index
	424	INTEGER(iwp) :: m !< index of surface element in surface data type
	425	INTEGER(iwp) :: sr !< index of statistic region
[1]	426
[1682]	427	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	428
[1682]	429	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	430	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	431
[2037]	432	REAL(wp) :: t_surface !< air temperature at the surface
	433
	434	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
	435
	436	INTEGER(iwp) :: l !< loop variable
	437	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
	438	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
	439	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
	440
[1764]	441	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	442	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	443
[1738]	444	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	445	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	446	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	447
[485]	448
[1402]	449	CALL location_message( 'allocating arrays', .FALSE. )
[1]	450	!
	451	!-- Allocate arrays
[1788]	452	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	453	mean_surface_level_height_l(0:statistic_regions), &
	454	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	455	ngp_3d(0:statistic_regions), &
	456	ngp_3d_inner(0:statistic_regions), &
	457	ngp_3d_inner_l(0:statistic_regions), &
	458	ngp_3d_inner_tmp(0:statistic_regions), &
	459	sums_divnew_l(0:statistic_regions), &
[1]	460	sums_divold_l(0:statistic_regions) )
[1195]	461	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	462	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	463	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	464	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	465	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	466	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	467	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	468	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	469	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	470	sums_up_fraction_l(10,3,0:statistic_regions), &
	471	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	472	ts_value(dots_max,0:statistic_regions) )
[978]	473	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	474
[1788]	475	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	476	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	477	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	478	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	479	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	480
	481	#if defined( __nopointer )
[1788]	482	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	483	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	484	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	485	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	486	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	487	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	488	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	489	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	490	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	491	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	492	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	493	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	494	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	495	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	496	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	497	#else
[1788]	498	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	499	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	500	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	501	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	502	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	503	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	504	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	505	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	506	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	507	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	508	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	509	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	510	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	511	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	512	IF ( .NOT. neutral ) THEN
[1032]	513	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	514	ENDIF
[1010]	515	#endif
	516
[673]	517	!
[707]	518	!-- Following array is required for perturbation pressure within the iterative
	519	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	520	!-- the weighted average of the substeps and cannot be used in the Poisson
	521	!-- solver.
	522	IF ( psolver == 'sor' ) THEN
	523	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	524	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	525	!
	526	!-- For performance reasons, multigrid is using one ghost layer only
	527	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	528	ENDIF
[1]	529
[1111]	530	!
	531	!-- Array for storing constant coeffficients of the tridiagonal solver
	532	IF ( psolver == 'poisfft' ) THEN
[1212]	533	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	534	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	535	ENDIF
	536
[1960]	537	IF ( humidity ) THEN
[1]	538	!
[1960]	539	!-- 3D-humidity
[1010]	540	#if defined( __nopointer )
[1788]	541	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	542	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	543	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	544	#else
[1788]	545	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	546	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	547	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	548	#endif
[1]	549
	550	!
[1960]	551	!-- 3D-arrays needed for humidity
[75]	552	IF ( humidity ) THEN
[1010]	553	#if defined( __nopointer )
	554	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	555	#else
[667]	556	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	557	#endif
[1]	558
[1788]	559	IF ( cloud_physics ) THEN
[1053]	560
[1]	561	!
	562	!-- Liquid water content
[1010]	563	#if defined( __nopointer )
	564	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	565	#else
[667]	566	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	567	#endif
[72]	568	!
	569	!-- Precipitation amount and rate (only needed if output is switched)
[1788]	570	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
[667]	571	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	572
	573	!
[1822]	574	!-- 3D-cloud water content
[1053]	575	#if defined( __nopointer )
[1822]	576	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	577	#else
[1822]	578	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	579	#endif
[1822]	580	!
	581	!-- 3d-precipitation rate
	582	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	583
[1822]	584	IF ( microphysics_seifert ) THEN
[1053]	585	!
[1822]	586	!-- 3D-rain water content, rain drop concentration arrays
[1115]	587	#if defined( __nopointer )
[1822]	588	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	589	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	590	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	591	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	592	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	593	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	594	#else
[1822]	595	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	596	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	597	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	598	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	599	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	600	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	601	#endif
[1822]	602	ENDIF
[1053]	603
[1]	604	ENDIF
	605
	606	IF ( cloud_droplets ) THEN
	607	!
[1010]	608	!-- Liquid water content, change in liquid water content
	609	#if defined( __nopointer )
[1788]	610	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	611	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	612	#else
[1788]	613	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	614	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	615	#endif
	616	!
	617	!-- Real volume of particles (with weighting), volume of particles
[1788]	618	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	619	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	620	ENDIF
	621
	622	ENDIF
	623
	624	ENDIF
[1960]	625
	626
	627	IF ( passive_scalar ) THEN
[1]	628
[1960]	629	!
	630	!-- 3D scalar arrays
	631	#if defined( __nopointer )
	632	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	633	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	634	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	635	#else
	636	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	637	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	638	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	639	#endif
	640	ENDIF
	641
[94]	642	IF ( ocean ) THEN
[1010]	643	#if defined( __nopointer )
[1788]	644	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[2031]	645	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1788]	646	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	647	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	648	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	649	#else
[1788]	650	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	651	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	652	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	653	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	654	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	655	prho => prho_1
[2031]	656	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
[388]	657	! density to be apointer
[1010]	658	#endif
[94]	659	ENDIF
	660
[1]	661	!
[2037]	662	!-- Allocation of anelastic and Boussinesq approximation specific arrays
	663	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
	664	ALLOCATE( rho_air(nzb:nzt+1) )
	665	ALLOCATE( rho_air_zw(nzb:nzt+1) )
	666	ALLOCATE( drho_air(nzb:nzt+1) )
	667	ALLOCATE( drho_air_zw(nzb:nzt+1) )
	668
	669	!
	670	!-- Density profile calculation for anelastic approximation
[2252]	671	t_surface = pt_surface * ( surface_pressure / 1000.0_wp )**( r_d / cp )
[2037]	672	IF ( TRIM( approximation ) == 'anelastic' ) THEN
	673	DO k = nzb, nzt+1
	674	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
	675	( 1 - ( g * zu(k) ) / ( cp * t_surface ) &
	676	)**( cp / r_d )
	677	rho_air(k) = ( p_hydrostatic(k) * &
	678	( 100000.0_wp / p_hydrostatic(k) &
	679	)**( r_d / cp ) &
	680	) / ( r_d * pt_init(k) )
	681	ENDDO
	682	DO k = nzb, nzt
	683	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	684	ENDDO
	685	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	686	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
	687	ELSE
[2252]	688	DO k = nzb, nzt+1
	689	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
	690	( 1 - ( g * zu(nzb) ) / ( cp * t_surface ) &
	691	)**( cp / r_d )
	692	rho_air(k) = ( p_hydrostatic(k) * &
	693	( 100000.0_wp / p_hydrostatic(k) &
	694	)**( r_d / cp ) &
	695	) / ( r_d * pt_init(nzb) )
	696	ENDDO
	697	DO k = nzb, nzt
	698	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	699	ENDDO
	700	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	701	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
[2037]	702	ENDIF
	703
	704	!-- compute the inverse density array in order to avoid expencive divisions
	705	drho_air = 1.0_wp / rho_air
	706	drho_air_zw = 1.0_wp / rho_air_zw
	707
	708	!
	709	!-- Allocation of flux conversion arrays
	710	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
	711	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
	712	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
	713	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
	714	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
	715	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
	716
	717	!
	718	!-- calculate flux conversion factors according to approximation and in-/output mode
	719	DO k = nzb, nzt+1
	720
	721	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
	722	heatflux_input_conversion(k) = rho_air_zw(k)
	723	waterflux_input_conversion(k) = rho_air_zw(k)
	724	momentumflux_input_conversion(k) = rho_air_zw(k)
	725	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
	726	heatflux_input_conversion(k) = 1.0_wp / cp
	727	waterflux_input_conversion(k) = 1.0_wp / l_v
	728	momentumflux_input_conversion(k) = 1.0_wp
	729	ENDIF
	730
	731	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
	732	heatflux_output_conversion(k) = drho_air_zw(k)
	733	waterflux_output_conversion(k) = drho_air_zw(k)
	734	momentumflux_output_conversion(k) = drho_air_zw(k)
	735	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
	736	heatflux_output_conversion(k) = cp
	737	waterflux_output_conversion(k) = l_v
	738	momentumflux_output_conversion(k) = 1.0_wp
	739	ENDIF
	740
	741	IF ( .NOT. humidity ) THEN
	742	waterflux_input_conversion(k) = 1.0_wp
	743	waterflux_output_conversion(k) = 1.0_wp
	744	ENDIF
	745
	746	ENDDO
	747
	748	!
	749	!-- In case of multigrid method, compute grid lengths and grid factors for the
	750	!-- grid levels with respective density on each grid
	751	IF ( psolver(1:9) == 'multigrid' ) THEN
	752
	753	ALLOCATE( ddx2_mg(maximum_grid_level) )
	754	ALLOCATE( ddy2_mg(maximum_grid_level) )
	755	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
	756	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
	757	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
	758	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
	759	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
	760	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
	761	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
	762
	763	dzu_mg(:,maximum_grid_level) = dzu
	764	rho_air_mg(:,maximum_grid_level) = rho_air
	765	!
	766	!-- Next line to ensure an equally spaced grid.
	767	dzu_mg(1,maximum_grid_level) = dzu(2)
	768	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
	769	(rho_air(nzb) - rho_air(nzb+1))
	770
	771	dzw_mg(:,maximum_grid_level) = dzw
	772	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
	773	nzt_l = nzt
	774	DO l = maximum_grid_level-1, 1, -1
	775	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
	776	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
	777	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
	778	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))
	779	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
	780	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
	781	nzt_l = nzt_l / 2
	782	DO k = 2, nzt_l+1
	783	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
	784	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
	785	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
	786	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
	787	ENDDO
	788	ENDDO
	789
	790	nzt_l = nzt
	791	dx_l = dx
	792	dy_l = dy
	793	DO l = maximum_grid_level, 1, -1
	794	ddx2_mg(l) = 1.0_wp / dx_l**2
	795	ddy2_mg(l) = 1.0_wp / dy_l**2
	796	DO k = nzb+1, nzt_l
	797	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
	798	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
	799	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
	800	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
	801	ENDDO
	802	nzt_l = nzt_l / 2
	803	dx_l = dx_l * 2.0_wp
	804	dy_l = dy_l * 2.0_wp
	805	ENDDO
	806
	807	ENDIF
	808
	809	!
[1]	810	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	811	!-- particle velocities
[2118]	812	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence )&
	813	THEN
[1153]	814	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	815	ENDIF
	816
	817	!
[1299]	818	!-- 1D-array for large scale subsidence velocity
[1361]	819	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	820	ALLOCATE ( w_subs(nzb:nzt+1) )
	821	w_subs = 0.0_wp
	822	ENDIF
[1299]	823
	824	!
[106]	825	!-- Arrays to store velocity data from t-dt and the phase speeds which
	826	!-- are needed for radiation boundary conditions
[73]	827	IF ( outflow_l ) THEN
[1788]	828	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	829	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	830	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	831	ENDIF
	832	IF ( outflow_r ) THEN
[1788]	833	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	834	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	835	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	836	ENDIF
[106]	837	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	838	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	839	c_w(nzb:nzt+1,nysg:nyng) )
[106]	840	ENDIF
[73]	841	IF ( outflow_s ) THEN
[1788]	842	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	843	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	844	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	845	ENDIF
	846	IF ( outflow_n ) THEN
[1788]	847	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	848	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	849	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	850	ENDIF
[106]	851	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	852	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	853	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	854	ENDIF
[996]	855	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	856	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	857	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	858	ENDIF
[73]	859
[978]	860
[1010]	861	#if ! defined( __nopointer )
[73]	862	!
[1]	863	!-- Initial assignment of the pointers
[1001]	864	e => e_1; e_p => e_2; te_m => e_3
[1032]	865	IF ( .NOT. neutral ) THEN
	866	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	867	ELSE
	868	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	869	ENDIF
[1001]	870	u => u_1; u_p => u_2; tu_m => u_3
	871	v => v_1; v_p => v_2; tv_m => v_3
	872	w => w_1; w_p => w_2; tw_m => w_3
[1]	873
[1960]	874	IF ( humidity ) THEN
[1001]	875	q => q_1; q_p => q_2; tq_m => q_3
[1053]	876	IF ( humidity ) THEN
	877	vpt => vpt_1
	878	IF ( cloud_physics ) THEN
	879	ql => ql_1
[1822]	880	qc => qc_1
	881	IF ( microphysics_seifert ) THEN
	882	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	883	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	884	ENDIF
	885	ENDIF
	886	ENDIF
[1001]	887	IF ( cloud_droplets ) THEN
	888	ql => ql_1
	889	ql_c => ql_2
[1]	890	ENDIF
[1001]	891	ENDIF
[1960]	892
	893	IF ( passive_scalar ) THEN
	894	s => s_1; s_p => s_2; ts_m => s_3
	895	ENDIF
[1]	896
[1001]	897	IF ( ocean ) THEN
	898	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	899	ENDIF
[1010]	900	#endif
[1]	901	!
[2232]	902	!-- Initialize wall arrays
	903	CALL init_surface_arrays
	904	!
[1551]	905	!-- Allocate land surface model arrays
	906	IF ( land_surface ) THEN
[1817]	907	CALL lsm_init_arrays
[1551]	908	ENDIF
	909
	910	!
[1914]	911	!-- Allocate wind turbine model arrays
	912	IF ( wind_turbine ) THEN
	913	CALL wtm_init_arrays
	914	ENDIF
[1957]	915
	916	!
	917	!-- Initialize virtual flight measurements
	918	IF ( virtual_flight ) THEN
	919	CALL flight_init
	920	ENDIF
[1914]	921
	922	!
[709]	923	!-- Allocate arrays containing the RK coefficient for calculation of
	924	!-- perturbation pressure and turbulent fluxes. At this point values are
	925	!-- set for pressure calculation during initialization (where no timestep
	926	!-- is done). Further below the values needed within the timestep scheme
	927	!-- will be set.
[1788]	928	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	929	weight_pres(1:intermediate_timestep_count_max) )
[1340]	930	weight_substep = 1.0_wp
	931	weight_pres = 1.0_wp
[1918]	932	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	933
[1402]	934	CALL location_message( 'finished', .TRUE. )
[1918]	935
[673]	936	!
[1918]	937	!-- Initialize local summation arrays for routine flow_statistics.
	938	!-- This is necessary because they may not yet have been initialized when they
	939	!-- are called from flow_statistics (or - depending on the chosen model run -
	940	!-- are never initialized)
	941	sums_divnew_l = 0.0_wp
	942	sums_divold_l = 0.0_wp
	943	sums_l_l = 0.0_wp
	944	sums_up_fraction_l = 0.0_wp
	945	sums_wsts_bc_l = 0.0_wp
	946
	947	!
[1]	948	!-- Initialize model variables
[1788]	949	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	950	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	951	!
	952	!-- First model run of a possible job queue.
	953	!-- Initial profiles of the variables must be computes.
	954	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	955
[1402]	956	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	957	!
	958	!-- Use solutions of the 1D model as initial profiles,
	959	!-- start 1D model
	960	CALL init_1d_model
	961	!
	962	!-- Transfer initial profiles to the arrays of the 3D model
[667]	963	DO i = nxlg, nxrg
	964	DO j = nysg, nyng
[1]	965	e(:,j,i) = e1d
	966	kh(:,j,i) = kh1d
	967	km(:,j,i) = km1d
	968	pt(:,j,i) = pt_init
	969	u(:,j,i) = u1d
	970	v(:,j,i) = v1d
	971	ENDDO
	972	ENDDO
	973
[1960]	974	IF ( humidity ) THEN
[667]	975	DO i = nxlg, nxrg
	976	DO j = nysg, nyng
[1]	977	q(:,j,i) = q_init
	978	ENDDO
	979	ENDDO
[1822]	980	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	981	DO i = nxlg, nxrg
	982	DO j = nysg, nyng
[1340]	983	qr(:,j,i) = 0.0_wp
	984	nr(:,j,i) = 0.0_wp
[1053]	985	ENDDO
	986	ENDDO
[1115]	987
[1053]	988	ENDIF
[1]	989	ENDIF
[1960]	990	IF ( passive_scalar ) THEN
	991	DO i = nxlg, nxrg
	992	DO j = nysg, nyng
	993	s(:,j,i) = s_init
	994	ENDDO
	995	ENDDO
	996	ENDIF
[1]	997
	998	IF ( .NOT. constant_diffusion ) THEN
[667]	999	DO i = nxlg, nxrg
	1000	DO j = nysg, nyng
[1]	1001	e(:,j,i) = e1d
	1002	ENDDO
	1003	ENDDO
	1004	!
	1005	!-- Store initial profiles for output purposes etc.
	1006	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	1007
	1008	ELSE
[1340]	1009	e = 0.0_wp ! must be set, because used in
[1]	1010	ENDIF
	1011	!
[1762]	1012	!-- Inside buildings set velocities back to zero
[1]	1013	IF ( topography /= 'flat' ) THEN
[1762]	1014	DO i = nxlg, nxrg
	1015	DO j = nysg, nyng
[2232]	1016	DO k = nzb, nzt
	1017	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
	1018	BTEST( wall_flags_0(k,j,i), 1 ) )
	1019	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
	1020	BTEST( wall_flags_0(k,j,i), 2 ) )
	1021	ENDDO
[1]	1022	ENDDO
	1023	ENDDO
[667]	1024
[1]	1025	!
	1026	!-- WARNING: The extra boundary conditions set after running the
	1027	!-- ------- 1D model impose an error on the divergence one layer
	1028	!-- below the topography; need to correct later
	1029	!-- ATTENTION: Provisional correction for Piacsek & Williams
	1030	!-- --------- advection scheme: keep u and v zero one layer below
	1031	!-- the topography.
[667]	1032	IF ( ibc_uv_b == 1 ) THEN
	1033	!
[1]	1034	!-- Neumann condition
	1035	DO i = nxl-1, nxr+1
	1036	DO j = nys-1, nyn+1
[2232]	1037	u(nzb,j,i) = u(nzb+1,j,i)
	1038	v(nzb,j,i) = v(nzb+1,j,i)
[1]	1039	ENDDO
	1040	ENDDO
	1041
	1042	ENDIF
	1043
	1044	ENDIF
	1045
[1402]	1046	CALL location_message( 'finished', .TRUE. )
[1384]	1047
[1788]	1048	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	1049	THEN
[1241]	1050
[1402]	1051	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	1052	!
[1241]	1053	!-- Overwrite initial profiles in case of nudging
[1788]	1054	IF ( nudging ) THEN
[1241]	1055	pt_init = ptnudge(:,1)
	1056	u_init = unudge(:,1)
	1057	v_init = vnudge(:,1)
[1960]	1058	IF ( humidity ) THEN ! is passive_scalar correct???
[1241]	1059	q_init = qnudge(:,1)
	1060	ENDIF
	1061
[1788]	1062	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	1063	'scalars from NUDGING_DATA are used.'
	1064	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	1065	ENDIF
	1066
	1067	!
[2259]	1068	!-- Overwrite initial profiles in case of synthetic turbulence generator
	1069	IF( use_synthetic_turbulence_generator ) THEN
	1070	CALL stg_init
	1071	ENDIF
	1072
	1073	!
[1]	1074	!-- Use constructed initial profiles (velocity constant with height,
	1075	!-- temperature profile with constant gradient)
[667]	1076	DO i = nxlg, nxrg
	1077	DO j = nysg, nyng
[1]	1078	pt(:,j,i) = pt_init
	1079	u(:,j,i) = u_init
	1080	v(:,j,i) = v_init
	1081	ENDDO
	1082	ENDDO
[75]	1083
[1]	1084	!
[292]	1085	!-- Set initial horizontal velocities at the lowest computational grid
	1086	!-- levels to zero in order to avoid too small time steps caused by the
	1087	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	1088	!-- in the limiting formula!).
	1089	IF ( ibc_uv_b /= 1 ) THEN
	1090	DO i = nxlg, nxrg
	1091	DO j = nysg, nyng
[2232]	1092	DO k = nzb, nzt
	1093	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
	1094	BTEST( wall_flags_0(k,j,i), 20 ) )
	1095	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
	1096	BTEST( wall_flags_0(k,j,i), 21 ) )
	1097	ENDDO
[1815]	1098	ENDDO
	1099	ENDDO
	1100	ENDIF
[1]	1101
[1960]	1102	IF ( humidity ) THEN
[667]	1103	DO i = nxlg, nxrg
	1104	DO j = nysg, nyng
[1]	1105	q(:,j,i) = q_init
	1106	ENDDO
	1107	ENDDO
[1822]	1108	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	1109
[1822]	1110	DO i = nxlg, nxrg
	1111	DO j = nysg, nyng
	1112	qr(:,j,i) = 0.0_wp
	1113	nr(:,j,i) = 0.0_wp
[1053]	1114	ENDDO
[1822]	1115	ENDDO
[1115]	1116
[1053]	1117	ENDIF
[1]	1118	ENDIF
[1960]	1119
	1120	IF ( passive_scalar ) THEN
	1121	DO i = nxlg, nxrg
	1122	DO j = nysg, nyng
	1123	s(:,j,i) = s_init
	1124	ENDDO
	1125	ENDDO
	1126	ENDIF
[1]	1127
[94]	1128	IF ( ocean ) THEN
[667]	1129	DO i = nxlg, nxrg
	1130	DO j = nysg, nyng
[94]	1131	sa(:,j,i) = sa_init
	1132	ENDDO
	1133	ENDDO
	1134	ENDIF
[1]	1135
	1136	IF ( constant_diffusion ) THEN
	1137	km = km_constant
	1138	kh = km / prandtl_number
[1340]	1139	e = 0.0_wp
	1140	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	1141	DO k = nzb+1, nzt
[1340]	1142	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	1143	ENDDO
	1144	km(nzb,:,:) = km(nzb+1,:,:)
	1145	km(nzt+1,:,:) = km(nzt,:,:)
	1146	kh = km / prandtl_number
	1147	e = e_init
[1]	1148	ELSE
[108]	1149	IF ( .NOT. ocean ) THEN
[1340]	1150	kh = 0.01_wp ! there must exist an initial diffusion, because
	1151	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	1152	! production terms, as long as not yet
	1153	! e = (u/cm)*2 at k=nzb+1
	1154	ELSE
[1340]	1155	kh = 0.00001_wp
	1156	km = 0.00001_wp
[108]	1157	ENDIF
[1340]	1158	e = 0.0_wp
[1]	1159	ENDIF
[1920]	1160	!
[1]	1161	!-- Compute initial temperature field and other constants used in case
	1162	!-- of a sloping surface
	1163	IF ( sloping_surface ) CALL init_slope
	1164
[1402]	1165	CALL location_message( 'finished', .TRUE. )
[1384]	1166
[1788]	1167	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	1168	THEN
[1384]	1169
[1402]	1170	CALL location_message( 'initializing by user', .FALSE. )
[46]	1171	!
	1172	!-- Initialization will completely be done by the user
	1173	CALL user_init_3d_model
	1174
[1402]	1175	CALL location_message( 'finished', .TRUE. )
[1384]	1176
[1]	1177	ENDIF
[1384]	1178
[1402]	1179	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	1180	.FALSE. )
[1384]	1181
[667]	1182	!
	1183	!-- Bottom boundary
	1184	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	1185	u(nzb,:,:) = 0.0_wp
	1186	v(nzb,:,:) = 0.0_wp
[667]	1187	ENDIF
[1]	1188
	1189	!
[151]	1190	!-- Apply channel flow boundary condition
[132]	1191	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	1192	u(nzt+1,:,:) = 0.0_wp
	1193	v(nzt+1,:,:) = 0.0_wp
[132]	1194	ENDIF
	1195
	1196	!
[1]	1197	!-- Calculate virtual potential temperature
[1960]	1198	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1199
	1200	!
	1201	!-- Store initial profiles for output purposes etc.
	1202	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1203	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1204	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1205	hom(nzb,1,5,:) = 0.0_wp
	1206	hom(nzb,1,6,:) = 0.0_wp
[1]	1207	ENDIF
	1208	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1209	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1210	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1211
[97]	1212	IF ( ocean ) THEN
	1213	!
	1214	!-- Store initial salinity profile
	1215	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1216	ENDIF
[1]	1217
[75]	1218	IF ( humidity ) THEN
[1]	1219	!
	1220	!-- Store initial profile of total water content, virtual potential
	1221	!-- temperature
	1222	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1223	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1224	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1225	!
	1226	!-- Store initial profile of specific humidity and potential
	1227	!-- temperature
	1228	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1229	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1230	ENDIF
	1231	ENDIF
	1232
	1233	IF ( passive_scalar ) THEN
	1234	!
	1235	!-- Store initial scalar profile
[1960]	1236	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
[1]	1237	ENDIF
	1238
	1239	!
[1400]	1240	!-- Initialize the random number generators (from numerical recipes)
	1241	CALL random_function_ini
[1429]	1242
[1400]	1243	IF ( random_generator == 'random-parallel' ) THEN
[2172]	1244	CALL init_parallel_random_generator(nx, ny, nys, nyn, nxl, nxr)
[1400]	1245	ENDIF
	1246	!
[1179]	1247	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1248	!-- the reference state will be set (overwritten) in init_ocean)
	1249	IF ( use_single_reference_value ) THEN
[1788]	1250	IF ( .NOT. humidity ) THEN
[1179]	1251	ref_state(:) = pt_reference
	1252	ELSE
	1253	ref_state(:) = vpt_reference
	1254	ENDIF
	1255	ELSE
[1788]	1256	IF ( .NOT. humidity ) THEN
[1179]	1257	ref_state(:) = pt_init(:)
	1258	ELSE
	1259	ref_state(:) = vpt(:,nys,nxl)
	1260	ENDIF
	1261	ENDIF
[152]	1262
	1263	!
[707]	1264	!-- For the moment, vertical velocity is zero
[1340]	1265	w = 0.0_wp
[1]	1266
	1267	!
	1268	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1269	sums = 0.0_wp
[1]	1270
	1271	!
[707]	1272	!-- In case of iterative solvers, p must get an initial value
[1575]	1273	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1274
	1275	!
[72]	1276	!-- Treating cloud physics, liquid water content and precipitation amount
	1277	!-- are zero at beginning of the simulation
	1278	IF ( cloud_physics ) THEN
[1340]	1279	ql = 0.0_wp
[1822]	1280	qc = 0.0_wp
	1281
	1282	precipitation_amount = 0.0_wp
[72]	1283	ENDIF
[673]	1284	!
[1]	1285	!-- Impose vortex with vertical axis on the initial velocity profile
	1286	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1287	CALL init_rankine
	1288	ENDIF
	1289
	1290	!
	1291	!-- Impose temperature anomaly (advection test only)
	1292	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1293	CALL init_pt_anomaly
	1294	ENDIF
	1295
	1296	!
	1297	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1298	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1299	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1300	ENDIF
	1301
	1302	!
	1303	!-- If required, change the surface humidity/scalar at the start of the 3D
	1304	!-- run
[1960]	1305	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
[1]	1306	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
[1960]	1307
	1308	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
	1309	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
	1310
[1]	1311
	1312	!
	1313	!-- Initialize old and new time levels.
[1340]	1314	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]	1315	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1316
[1960]	1317	IF ( humidity ) THEN
[1340]	1318	tq_m = 0.0_wp
[1]	1319	q_p = q
[1822]	1320	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1321	tqr_m = 0.0_wp
[1822]	1322	qr_p = qr
[1340]	1323	tnr_m = 0.0_wp
[1822]	1324	nr_p = nr
[1053]	1325	ENDIF
[1]	1326	ENDIF
[1960]	1327
	1328	IF ( passive_scalar ) THEN
	1329	ts_m = 0.0_wp
	1330	s_p = s
	1331	ENDIF
[1]	1332
[94]	1333	IF ( ocean ) THEN
[1340]	1334	tsa_m = 0.0_wp
[94]	1335	sa_p = sa
	1336	ENDIF
[667]	1337
[1402]	1338	CALL location_message( 'finished', .TRUE. )
[94]	1339
[1788]	1340	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[2232]	1341	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1342	THEN
[1384]	1343
[1402]	1344	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1345	.FALSE. )
[1]	1346	!
[2232]	1347	!-- Initialize surface elements and its attributes, e.g. heat- and
	1348	!-- momentumfluxes, roughness, scaling parameters. As number of surface
	1349	!-- elements might be different between runs, e.g. in case of cyclic fill,
	1350	!-- and not all surface elements are read, surface elements need to be
	1351	!-- initialized before.
	1352	CALL init_surfaces
	1353	!
[767]	1354	!-- When reading data for cyclic fill of 3D prerun data files, read
	1355	!-- some of the global variables from the restart file which are required
	1356	!-- for initializing the inflow
[328]	1357	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1358
[759]	1359	DO i = 0, io_blocks-1
	1360	IF ( i == io_group ) THEN
	1361	CALL read_parts_of_var_list
	1362	CALL close_file( 13 )
	1363	ENDIF
	1364	#if defined( __parallel )
	1365	CALL MPI_BARRIER( comm2d, ierr )
	1366	#endif
	1367	ENDDO
[328]	1368
[767]	1369	ENDIF
	1370
[151]	1371	!
[767]	1372	!-- Read binary data from restart file
	1373	DO i = 0, io_blocks-1
	1374	IF ( i == io_group ) THEN
	1375	CALL read_3d_binary
	1376	ENDIF
	1377	#if defined( __parallel )
	1378	CALL MPI_BARRIER( comm2d, ierr )
	1379	#endif
	1380	ENDDO
	1381
[328]	1382	!
[767]	1383	!-- Initialization of the turbulence recycling method
[1788]	1384	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1385	turbulent_inflow ) THEN
	1386	!
	1387	!-- First store the profiles to be used at the inflow.
	1388	!-- These profiles are the (temporally) and horizontally averaged vertical
	1389	!-- profiles from the prerun. Alternatively, prescribed profiles
	1390	!-- for u,v-components can be used.
[1960]	1391	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
[151]	1392
[767]	1393	IF ( use_prescribed_profile_data ) THEN
	1394	mean_inflow_profiles(:,1) = u_init ! u
	1395	mean_inflow_profiles(:,2) = v_init ! v
	1396	ELSE
[328]	1397	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1398	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1399	ENDIF
	1400	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1401	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1960]	1402	IF ( humidity ) &
	1403	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
	1404	IF ( passive_scalar ) &
	1405	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
[151]	1406
	1407	!
[767]	1408	!-- If necessary, adjust the horizontal flow field to the prescribed
	1409	!-- profiles
	1410	IF ( use_prescribed_profile_data ) THEN
	1411	DO i = nxlg, nxrg
[667]	1412	DO j = nysg, nyng
[328]	1413	DO k = nzb, nzt+1
[767]	1414	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1415	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1416	ENDDO
[151]	1417	ENDDO
[767]	1418	ENDDO
	1419	ENDIF
[151]	1420
	1421	!
[767]	1422	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1423	!-- conditions are used)
	1424	IF ( inflow_l ) THEN
	1425	DO j = nysg, nyng
	1426	DO k = nzb, nzt+1
	1427	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1428	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1429	w(k,j,nxlg:-1) = 0.0_wp
[767]	1430	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1431	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1960]	1432	IF ( humidity ) &
[1615]	1433	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[1960]	1434	IF ( passive_scalar ) &
	1435	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
[767]	1436	ENDDO
	1437	ENDDO
	1438	ENDIF
	1439
[151]	1440	!
[767]	1441	!-- Calculate the damping factors to be used at the inflow. For a
	1442	!-- turbulent inflow the turbulent fluctuations have to be limited
	1443	!-- vertically because otherwise the turbulent inflow layer will grow
	1444	!-- in time.
[1340]	1445	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1446	!
	1447	!-- Default: use the inversion height calculated by the prerun; if
	1448	!-- this is zero, inflow_damping_height must be explicitly
	1449	!-- specified.
[1340]	1450	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1451	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1452	ELSE
[1788]	1453	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1454	'explicitly specified because&the inversion height ', &
[767]	1455	'calculated by the prerun is zero.'
	1456	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1457	ENDIF
[151]	1458
[767]	1459	ENDIF
	1460
[1340]	1461	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1462	!
[767]	1463	!-- Default for the transition range: one tenth of the undamped
	1464	!-- layer
[1340]	1465	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1466
[767]	1467	ENDIF
[151]	1468
[767]	1469	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1470
[767]	1471	DO k = nzb, nzt+1
[151]	1472
[767]	1473	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1474	inflow_damping_factor(k) = 1.0_wp
[996]	1475	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1476	inflow_damping_factor(k) = 1.0_wp - &
[996]	1477	( zu(k) - inflow_damping_height ) / &
	1478	inflow_damping_width
[767]	1479	ELSE
[1340]	1480	inflow_damping_factor(k) = 0.0_wp
[767]	1481	ENDIF
[151]	1482
[767]	1483	ENDDO
[151]	1484
[147]	1485	ENDIF
	1486
[152]	1487	!
[359]	1488	!-- Inside buildings set velocities and TKE back to zero
[1788]	1489	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1490	topography /= 'flat' ) THEN
	1491	!
	1492	!-- Inside buildings set velocities and TKE back to zero.
	1493	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1494	!-- maybe revise later.
[1001]	1495	DO i = nxlg, nxrg
	1496	DO j = nysg, nyng
[2232]	1497	DO k = nzb, nzt
	1498	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
	1499	BTEST( wall_flags_0(k,j,i), 1 ) )
	1500	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
	1501	BTEST( wall_flags_0(k,j,i), 2 ) )
	1502	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, &
	1503	BTEST( wall_flags_0(k,j,i), 3 ) )
	1504	e(k,j,i) = MERGE( e(k,j,i), 0.0_wp, &
	1505	BTEST( wall_flags_0(k,j,i), 0 ) )
	1506	tu_m(k,j,i) = MERGE( tu_m(k,j,i), 0.0_wp, &
	1507	BTEST( wall_flags_0(k,j,i), 1 ) )
	1508	tv_m(k,j,i) = MERGE( tv_m(k,j,i), 0.0_wp, &
	1509	BTEST( wall_flags_0(k,j,i), 2 ) )
	1510	tw_m(k,j,i) = MERGE( tw_m(k,j,i), 0.0_wp, &
	1511	BTEST( wall_flags_0(k,j,i), 3 ) )
	1512	te_m(k,j,i) = MERGE( te_m(k,j,i), 0.0_wp, &
	1513	BTEST( wall_flags_0(k,j,i), 0 ) )
	1514	tpt_m(k,j,i) = MERGE( tpt_m(k,j,i), 0.0_wp, &
	1515	BTEST( wall_flags_0(k,j,i), 0 ) )
	1516	ENDDO
[359]	1517	ENDDO
[1001]	1518	ENDDO
[359]	1519
	1520	ENDIF
	1521
	1522	!
[1]	1523	!-- Calculate initial temperature field and other constants used in case
	1524	!-- of a sloping surface
	1525	IF ( sloping_surface ) CALL init_slope
	1526
	1527	!
	1528	!-- Initialize new time levels (only done in order to set boundary values
	1529	!-- including ghost points)
	1530	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1960]	1531	IF ( humidity ) THEN
[1053]	1532	q_p = q
[1822]	1533	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1534	qr_p = qr
	1535	nr_p = nr
	1536	ENDIF
	1537	ENDIF
[1960]	1538	IF ( passive_scalar ) s_p = s
	1539	IF ( ocean ) sa_p = sa
[1]	1540
[181]	1541	!
	1542	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1543	!-- have to be predefined here because they are used (but multiplied with 0)
	1544	!-- there before they are set.
[1340]	1545	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]	1546	IF ( humidity ) THEN
[1340]	1547	tq_m = 0.0_wp
[1822]	1548	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1549	tqr_m = 0.0_wp
	1550	tnr_m = 0.0_wp
[1053]	1551	ENDIF
	1552	ENDIF
[1960]	1553	IF ( passive_scalar ) ts_m = 0.0_wp
	1554	IF ( ocean ) tsa_m = 0.0_wp
[2259]	1555	!
	1556	!-- Initialize synthetic turbulence generator in case of restart.
	1557	IF ( TRIM( initializing_actions ) == 'read_restart_data' .AND. &
	1558	use_synthetic_turbulence_generator ) CALL stg_init
[181]	1559
[1402]	1560	CALL location_message( 'finished', .TRUE. )
[1384]	1561
[1]	1562	ELSE
	1563	!
	1564	!-- Actually this part of the programm should not be reached
[254]	1565	message_string = 'unknown initializing problem'
	1566	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1567	ENDIF
	1568
[151]	1569
	1570	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1571	!
[151]	1572	!-- Initialize old timelevels needed for radiation boundary conditions
	1573	IF ( outflow_l ) THEN
	1574	u_m_l(:,:,:) = u(:,:,1:2)
	1575	v_m_l(:,:,:) = v(:,:,0:1)
	1576	w_m_l(:,:,:) = w(:,:,0:1)
	1577	ENDIF
	1578	IF ( outflow_r ) THEN
	1579	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1580	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1581	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1582	ENDIF
	1583	IF ( outflow_s ) THEN
	1584	u_m_s(:,:,:) = u(:,0:1,:)
	1585	v_m_s(:,:,:) = v(:,1:2,:)
	1586	w_m_s(:,:,:) = w(:,0:1,:)
	1587	ENDIF
	1588	IF ( outflow_n ) THEN
	1589	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1590	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1591	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1592	ENDIF
[667]	1593
[151]	1594	ENDIF
[680]	1595
[667]	1596	!
	1597	!-- Calculate the initial volume flow at the right and north boundary
[709]	1598	IF ( conserve_volume_flow ) THEN
[151]	1599
[767]	1600	IF ( use_prescribed_profile_data ) THEN
[667]	1601
[1340]	1602	volume_flow_initial_l = 0.0_wp
	1603	volume_flow_area_l = 0.0_wp
[732]	1604
[667]	1605	IF ( nxr == nx ) THEN
	1606	DO j = nys, nyn
[2232]	1607	DO k = nzb+1, nzt
[1788]	1608	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[2232]	1609	u_init(k) * dzw(k) &
	1610	* MERGE( 1.0_wp, 0.0_wp, &
	1611	BTEST( wall_flags_0(k,j,nxr), 1 )&
	1612	)
	1613
	1614	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1615	* MERGE( 1.0_wp, 0.0_wp, &
	1616	BTEST( wall_flags_0(k,j,nxr), 1 )&
	1617	)
[767]	1618	ENDDO
	1619	ENDDO
	1620	ENDIF
	1621
	1622	IF ( nyn == ny ) THEN
	1623	DO i = nxl, nxr
[2232]	1624	DO k = nzb+1, nzt
	1625	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1626	v_init(k) * dzw(k) &
	1627	* MERGE( 1.0_wp, 0.0_wp, &
	1628	BTEST( wall_flags_0(k,nyn,i), 2 )&
	1629	)
	1630	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1631	* MERGE( 1.0_wp, 0.0_wp, &
	1632	BTEST( wall_flags_0(k,nyn,i), 2 )&
	1633	)
[767]	1634	ENDDO
	1635	ENDDO
	1636	ENDIF
	1637
	1638	#if defined( __parallel )
	1639	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1640	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1641	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1642	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1643
	1644	#else
	1645	volume_flow_initial = volume_flow_initial_l
	1646	volume_flow_area = volume_flow_area_l
	1647	#endif
	1648
	1649	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1650
[1340]	1651	volume_flow_initial_l = 0.0_wp
	1652	volume_flow_area_l = 0.0_wp
[767]	1653
	1654	IF ( nxr == nx ) THEN
	1655	DO j = nys, nyn
[2232]	1656	DO k = nzb+1, nzt
[1788]	1657	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[2232]	1658	hom_sum(k,1,0) * dzw(k) &
	1659	* MERGE( 1.0_wp, 0.0_wp, &
	1660	BTEST( wall_flags_0(k,j,nx), 1 ) &
	1661	)
	1662	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1663	* MERGE( 1.0_wp, 0.0_wp, &
	1664	BTEST( wall_flags_0(k,j,nx), 1 ) &
	1665	)
[667]	1666	ENDDO
	1667	ENDDO
	1668	ENDIF
	1669
	1670	IF ( nyn == ny ) THEN
	1671	DO i = nxl, nxr
[2232]	1672	DO k = nzb+1, nzt
[1788]	1673	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[2232]	1674	hom_sum(k,2,0) * dzw(k) &
	1675	* MERGE( 1.0_wp, 0.0_wp, &
	1676	BTEST( wall_flags_0(k,ny,i), 2 ) &
	1677	)
	1678	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1679	* MERGE( 1.0_wp, 0.0_wp, &
	1680	BTEST( wall_flags_0(k,ny,i), 2 ) &
	1681	)
[667]	1682	ENDDO
	1683	ENDDO
	1684	ENDIF
	1685
[732]	1686	#if defined( __parallel )
	1687	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1688	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1689	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1690	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1691
	1692	#else
	1693	volume_flow_initial = volume_flow_initial_l
	1694	volume_flow_area = volume_flow_area_l
	1695	#endif
	1696
[667]	1697	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1698
[1340]	1699	volume_flow_initial_l = 0.0_wp
	1700	volume_flow_area_l = 0.0_wp
[732]	1701
[667]	1702	IF ( nxr == nx ) THEN
	1703	DO j = nys, nyn
[2232]	1704	DO k = nzb+1, nzt
	1705	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1706	u(k,j,nx) * dzw(k) &
	1707	* MERGE( 1.0_wp, 0.0_wp, &
	1708	BTEST( wall_flags_0(k,j,nx), 1 ) &
	1709	)
	1710	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1711	* MERGE( 1.0_wp, 0.0_wp, &
	1712	BTEST( wall_flags_0(k,j,nx), 1 ) &
	1713	)
[667]	1714	ENDDO
	1715	ENDDO
	1716	ENDIF
	1717
	1718	IF ( nyn == ny ) THEN
	1719	DO i = nxl, nxr
[2232]	1720	DO k = nzb+1, nzt
[1788]	1721	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[2232]	1722	v(k,ny,i) * dzw(k) &
	1723	* MERGE( 1.0_wp, 0.0_wp, &
	1724	BTEST( wall_flags_0(k,ny,i), 2 ) &
	1725	)
	1726	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1727	* MERGE( 1.0_wp, 0.0_wp, &
	1728	BTEST( wall_flags_0(k,ny,i), 2 ) &
	1729	)
[667]	1730	ENDDO
	1731	ENDDO
	1732	ENDIF
	1733
	1734	#if defined( __parallel )
[732]	1735	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1736	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1737	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1738	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1739
	1740	#else
[732]	1741	volume_flow_initial = volume_flow_initial_l
	1742	volume_flow_area = volume_flow_area_l
[667]	1743	#endif
	1744
[732]	1745	ENDIF
	1746
[151]	1747	!
[709]	1748	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1749	!-- from u\|v_bulk instead
[680]	1750	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1751	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1752	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1753	ENDIF
[667]	1754
[680]	1755	ENDIF
[2232]	1756	!
	1757	!-- Initialize surface elements and its attributes, e.g. heat- and
	1758	!-- momentumfluxes, roughness, scaling parameters.
	1759	!-- This is already done in case of restart data.
	1760	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1761	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1762	CALL init_surfaces
	1763	!
	1764	!-- Finally, if random_heatflux is set, disturb shf at horizontal
	1765	!-- surfaces. Actually, this should be done in surface_mod, where all other
	1766	!-- initializations of surface quantities are done. However, this
	1767	!-- would create a ring dependency, hence, it is done here. Maybe delete
	1768	!-- disturb_heatflux and tranfer the respective code directly into the
	1769	!-- initialization in surface_mod.
	1770	IF ( use_surface_fluxes .AND. constant_heatflux .AND. &
	1771	random_heatflux ) THEN
	1772	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
	1773	IF ( surf_lsm_h%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h )
	1774	IF ( surf_usm_h%ns >= 1 ) CALL disturb_heatflux( surf_usm_h )
	1775	ENDIF
	1776	ENDIF
[680]	1777
[787]	1778	!
[2232]	1779	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
	1780	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
	1781	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	1782	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
	1783	CALL ls_forcing_surf ( simulated_time )
	1784	ENDIF
	1785	ENDIF
	1786	!
[787]	1787	!-- Initialize quantities for special advections schemes
	1788	CALL init_advec
[680]	1789
[667]	1790	!
[680]	1791	!-- Impose random perturbation on the horizontal velocity field and then
	1792	!-- remove the divergences from the velocity field at the initial stage
[1788]	1793	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1794	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1795	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1796
[1402]	1797	CALL location_message( 'creating initial disturbances', .FALSE. )
[2232]	1798	CALL disturb_field( 'u', tend, u )
	1799	CALL disturb_field( 'v', tend, v )
[1402]	1800	CALL location_message( 'finished', .TRUE. )
[1384]	1801
[1402]	1802	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1803	n_sor = nsor_ini
	1804	CALL pres
	1805	n_sor = nsor
[1402]	1806	CALL location_message( 'finished', .TRUE. )
[1384]	1807
[680]	1808	ENDIF
	1809
	1810	!
[1484]	1811	!-- If required, initialize quantities needed for the plant canopy model
[2007]	1812	IF ( plant_canopy ) THEN
	1813	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1814	CALL pcm_init
	1815	CALL location_message( 'finished', .TRUE. )
	1816	ENDIF
[138]	1817
	1818	!
[1]	1819	!-- If required, initialize dvrp-software
[1340]	1820	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1821
[96]	1822	IF ( ocean ) THEN
[1]	1823	!
[96]	1824	!-- Initialize quantities needed for the ocean model
	1825	CALL init_ocean
[388]	1826
[96]	1827	ELSE
	1828	!
	1829	!-- Initialize quantities for handling cloud physics
[849]	1830	!-- This routine must be called before lpm_init, because
[96]	1831	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1832	!-- lpm_init) is not defined.
[96]	1833	CALL init_cloud_physics
[1849]	1834	!
	1835	!-- Initialize bulk cloud microphysics
	1836	CALL microphysics_init
[96]	1837	ENDIF
[1]	1838
	1839	!
	1840	!-- If required, initialize particles
[849]	1841	IF ( particle_advection ) CALL lpm_init
[1]	1842
[1585]	1843	!
	1844	!-- If required, initialize quantities needed for the LSM
	1845	IF ( land_surface ) THEN
	1846	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1847	CALL lsm_init
[1585]	1848	CALL location_message( 'finished', .TRUE. )
	1849	ENDIF
[1496]	1850
[1]	1851	!
[1691]	1852	!-- Initialize surface layer (done after LSM as roughness length are required
	1853	!-- for initialization
	1854	IF ( constant_flux_layer ) THEN
	1855	CALL location_message( 'initializing surface layer', .FALSE. )
	1856	CALL init_surface_layer_fluxes
	1857	CALL location_message( 'finished', .TRUE. )
	1858	ENDIF
	1859
	1860	!
[1496]	1861	!-- If required, initialize radiation model
	1862	IF ( radiation ) THEN
[1585]	1863	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1864	CALL radiation_init
[1585]	1865	CALL location_message( 'finished', .TRUE. )
[1496]	1866	ENDIF
[2007]	1867
[2270]	1868
[1914]	1869	!
[2270]	1870	!-- Temporary solution to add LSM and radiation time series to the default
	1871	!-- output
	1872	IF ( land_surface .OR. radiation ) THEN
	1873	IF ( TRIM( radiation_scheme ) == 'rrtmg' ) THEN
	1874	dots_num = dots_num + 15
	1875	ELSE
	1876	dots_num = dots_num + 11
	1877	ENDIF
	1878	ENDIF
	1879
	1880	!
[2007]	1881	!-- If required, initialize urban surface model
	1882	IF ( urban_surface ) THEN
	1883	CALL location_message( 'initializing urban surface model', .FALSE. )
	1884	CALL usm_init_urban_surface
	1885	CALL location_message( 'finished', .TRUE. )
	1886	ENDIF
	1887
	1888	!
[1914]	1889	!-- If required, initialize quantities needed for the wind turbine model
	1890	IF ( wind_turbine ) THEN
	1891	CALL location_message( 'initializing wind turbine model', .FALSE. )
	1892	CALL wtm_init
	1893	CALL location_message( 'finished', .TRUE. )
	1894	ENDIF
[1496]	1895
[1914]	1896
[1496]	1897	!
[673]	1898	!-- Initialize the ws-scheme.
	1899	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1900
	1901	!
[709]	1902	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	1903	!-- and turbulent quantities from the RK substeps
[709]	1904	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1905
[1322]	1906	weight_substep(1) = 1._wp/6._wp
	1907	weight_substep(2) = 3._wp/10._wp
	1908	weight_substep(3) = 8._wp/15._wp
[709]	1909
[1322]	1910	weight_pres(1) = 1._wp/3._wp
	1911	weight_pres(2) = 5._wp/12._wp
	1912	weight_pres(3) = 1._wp/4._wp
[709]	1913
	1914	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1915
[1322]	1916	weight_substep(1) = 1._wp/2._wp
	1917	weight_substep(2) = 1._wp/2._wp
[673]	1918
[1322]	1919	weight_pres(1) = 1._wp/2._wp
	1920	weight_pres(2) = 1._wp/2._wp
[709]	1921
[1001]	1922	ELSE ! for Euler-method
[709]	1923
[1340]	1924	weight_substep(1) = 1.0_wp
	1925	weight_pres(1) = 1.0_wp
[709]	1926
[673]	1927	ENDIF
	1928
	1929	!
[1]	1930	!-- Initialize Rayleigh damping factors
[1340]	1931	rdf = 0.0_wp
	1932	rdf_sc = 0.0_wp
	1933	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	1934	IF ( .NOT. ocean ) THEN
[108]	1935	DO k = nzb+1, nzt
	1936	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	1937	rdf(k) = rayleigh_damping_factor * &
[1340]	1938	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	1939	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	1940	)**2
[108]	1941	ENDIF
	1942	ENDDO
	1943	ELSE
	1944	DO k = nzt, nzb+1, -1
	1945	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	1946	rdf(k) = rayleigh_damping_factor * &
[1340]	1947	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	1948	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	1949	)**2
	1950	ENDIF
	1951	ENDDO
	1952	ENDIF
[1]	1953	ENDIF
[785]	1954	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1955
	1956	!
[240]	1957	!-- Initialize the starting level and the vertical smoothing factor used for
	1958	!-- the external pressure gradient
[1340]	1959	dp_smooth_factor = 1.0_wp
[240]	1960	IF ( dp_external ) THEN
	1961	!
	1962	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1963	!-- (e.g. in init_grid).
	1964	IF ( dp_level_ind_b == 0 ) THEN
	1965	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1966	dp_level_ind_b = ind_array(1) - 1 + nzb
	1967	! MINLOC uses lower array bound 1
	1968	ENDIF
	1969	IF ( dp_smooth ) THEN
[1340]	1970	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1971	DO k = dp_level_ind_b+1, nzt
[1340]	1972	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1973	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1974	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1975	ENDDO
	1976	ENDIF
	1977	ENDIF
	1978
	1979	!
[978]	1980	!-- Initialize damping zone for the potential temperature in case of
	1981	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1982	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1983	ptdf_x = 0.0_wp
	1984	ptdf_y = 0.0_wp
[1159]	1985	IF ( bc_lr_dirrad ) THEN
[996]	1986	DO i = nxl, nxr
[978]	1987	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1988	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1989	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	1990	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1991	ENDIF
	1992	ENDDO
[1159]	1993	ELSEIF ( bc_lr_raddir ) THEN
[996]	1994	DO i = nxl, nxr
[978]	1995	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1996	ptdf_x(i) = pt_damping_factor * &
[1340]	1997	SIN( pi * 0.5_wp * &
	1998	( ( i - nx ) * dx + pt_damping_width ) / &
	1999	REAL( pt_damping_width, KIND=wp ) )**2
[73]	2000	ENDIF
[978]	2001	ENDDO
[1159]	2002	ELSEIF ( bc_ns_dirrad ) THEN
[996]	2003	DO j = nys, nyn
[978]	2004	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	2005	ptdf_y(j) = pt_damping_factor * &
[1340]	2006	SIN( pi * 0.5_wp * &
	2007	( ( j - ny ) * dy + pt_damping_width ) / &
	2008	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2009	ENDIF
[978]	2010	ENDDO
[1159]	2011	ELSEIF ( bc_ns_raddir ) THEN
[996]	2012	DO j = nys, nyn
[978]	2013	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	2014	ptdf_y(j) = pt_damping_factor * &
[1340]	2015	SIN( pi * 0.5_wp * &
	2016	( pt_damping_width - j * dy ) / &
	2017	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2018	ENDIF
[73]	2019	ENDDO
[1]	2020	ENDIF
	2021
	2022	!
	2023	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	2024	!-- Ghost points are excluded because counting values at the ghost boundaries
	2025	!-- would bias the statistics
[1340]	2026	rmask = 1.0_wp
	2027	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	2028	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	2029
	2030	!
[51]	2031	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	2032	!-- of allowed timeseries is exceeded
[1]	2033	CALL user_init
	2034
[51]	2035	IF ( dots_num > dots_max ) THEN
[1788]	2036	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	2037	' its maximum of dots_max = ', dots_max, &
[254]	2038	' &Please increase dots_max in modules.f90.'
	2039	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	2040	ENDIF
	2041
[1]	2042	!
	2043	!-- Input binary data file is not needed anymore. This line must be placed
	2044	!-- after call of user_init!
	2045	CALL close_file( 13 )
	2046
	2047	!
	2048	!-- Compute total sum of active mask grid points
[1738]	2049	!-- and the mean surface level height for each statistic region
[1]	2050	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	2051	!-- total domain
	2052	!-- ngp_3d: number of grid points of the total domain
[132]	2053	ngp_2dh_outer_l = 0
	2054	ngp_2dh_outer = 0
	2055	ngp_2dh_s_inner_l = 0
	2056	ngp_2dh_s_inner = 0
	2057	ngp_2dh_l = 0
	2058	ngp_2dh = 0
[1340]	2059	ngp_3d_inner_l = 0.0_wp
[132]	2060	ngp_3d_inner = 0
	2061	ngp_3d = 0
	2062	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	2063
[1738]	2064	mean_surface_level_height = 0.0_wp
	2065	mean_surface_level_height_l = 0.0_wp
	2066
[2232]	2067	!
	2068	!-- To do: New concept for these non-topography grid points!
[1]	2069	DO sr = 0, statistic_regions
	2070	DO i = nxl, nxr
	2071	DO j = nys, nyn
[1340]	2072	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	2073	!
	2074	!-- All xy-grid points
	2075	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	2076	!
[2232]	2077	!-- Determine mean surface-level height. In case of downward-
	2078	!-- facing walls are present, more than one surface level exist.
	2079	!-- In this case, use the lowest surface-level height.
	2080	IF ( surf_def_h(0)%start_index(j,i) <= &
	2081	surf_def_h(0)%end_index(j,i) ) THEN
	2082	m = surf_def_h(0)%start_index(j,i)
	2083	k = surf_def_h(0)%k(m)
	2084	mean_surface_level_height_l(sr) = &
	2085	mean_surface_level_height_l(sr) + zw(k-1)
	2086	ENDIF
	2087	IF ( surf_lsm_h%start_index(j,i) <= &
	2088	surf_lsm_h%end_index(j,i) ) THEN
	2089	m = surf_lsm_h%start_index(j,i)
	2090	k = surf_lsm_h%k(m)
	2091	mean_surface_level_height_l(sr) = &
	2092	mean_surface_level_height_l(sr) + zw(k-1)
	2093	ENDIF
	2094	IF ( surf_usm_h%start_index(j,i) <= &
	2095	surf_usm_h%end_index(j,i) ) THEN
	2096	m = surf_usm_h%start_index(j,i)
	2097	k = surf_usm_h%k(m)
	2098	mean_surface_level_height_l(sr) = &
	2099	mean_surface_level_height_l(sr) + zw(k-1)
	2100	ENDIF
	2101
	2102	k_surf = k - 1
	2103
	2104	DO k = nzb, nzt+1
	2105	!
	2106	!-- xy-grid points above topography
	2107	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
	2108	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 24 ) )
	2109
	2110	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
	2111	MERGE( 1, 0, BTEST( wall_flags_0(k,j,i), 22 ) )
	2112
[1]	2113	ENDDO
	2114	!
	2115	!-- All grid points of the total domain above topography
[2232]	2116	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
	2117
	2118
	2119
[1]	2120	ENDIF
	2121	ENDDO
	2122	ENDDO
	2123	ENDDO
	2124
	2125	sr = statistic_regions + 1
	2126	#if defined( __parallel )
[622]	2127	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2128	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	2129	comm2d, ierr )
[622]	2130	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2131	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	2132	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2133	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2134	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	2135	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2136	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2137	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	2138	MPI_SUM, comm2d, ierr )
[485]	2139	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2140	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2141	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	2142	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	2143	MPI_SUM, comm2d, ierr )
	2144	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	2145	#else
[132]	2146	ngp_2dh = ngp_2dh_l
	2147	ngp_2dh_outer = ngp_2dh_outer_l
	2148	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	2149	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2150	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	2151	#endif
	2152
[560]	2153	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	2154	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	2155
	2156	!
	2157	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	2158	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	2159	!-- the respective subdomain lie below the surface topography
[667]	2160	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	2161	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	2162	ngp_3d_inner(:) )
[667]	2163	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	2164
[1788]	2165	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	2166	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	2167
[1402]	2168	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	2169
	2170	END SUBROUTINE init_3d_model

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