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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2229

Last change on this file since 2229 was 2173, checked in by knoop, 8 years ago

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[1682]	1	!> @file init_3d_model.f90
[2000]	2	!------------------------------------------------------------------------------!
[1036]	3	! This file is part of PALM.
	4	!
[2000]	5	! PALM is free software: you can redistribute it and/or modify it under the
	6	! terms of the GNU General Public License as published by the Free Software
	7	! Foundation, either version 3 of the License, or (at your option) any later
	8	! version.
[1036]	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[2101]	17	! Copyright 1997-2017 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[1961]	22	!
[2173]	23	!
[1961]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 2173 2017-03-08 15:56:54Z hellstea $
	27	!
[2173]	28	! 2172 2017-03-08 15:55:25Z knoop
	29	! Bugfix: moved parallel random generator initialization into its module
	30	!
[2119]	31	! 2118 2017-01-17 16:38:49Z raasch
	32	! OpenACC directives removed
	33	!
[2038]	34	! 2037 2016-10-26 11:15:40Z knoop
	35	! Anelastic approximation implemented
	36	!
[2032]	37	! 2031 2016-10-21 15:11:58Z knoop
	38	! renamed variable rho to rho_ocean
	39	!
[2012]	40	! 2011 2016-09-19 17:29:57Z kanani
	41	! Flag urban_surface is now defined in module control_parameters.
	42	!
[2008]	43	! 2007 2016-08-24 15:47:17Z kanani
	44	! Added support for urban surface model,
	45	! adjusted location_message in case of plant_canopy
	46	!
[2001]	47	! 2000 2016-08-20 18:09:15Z knoop
	48	! Forced header and separation lines into 80 columns
	49	!
[1993]	50	! 1992 2016-08-12 15:14:59Z suehring
	51	! Initializaton of scalarflux at model top
	52	! Bugfixes in initialization of surface and top salinity flux, top scalar and
	53	! humidity fluxes
	54	!
[1961]	55	! 1960 2016-07-12 16:34:24Z suehring
[1960]	56	! Separate humidity and passive scalar
	57	! Increase dimension for mean_inflow_profiles
	58	! Remove inadvertent write-statement
	59	! Bugfix, large-scale forcing is still not implemented for passive scalars
[1919]	60	!
[1958]	61	! 1957 2016-07-07 10:43:48Z suehring
	62	! flight module added
	63	!
[1921]	64	! 1920 2016-05-30 10:50:15Z suehring
	65	! Initialize us with very small number to avoid segmentation fault during
	66	! calculation of Obukhov length
	67	!
[1919]	68	! 1918 2016-05-27 14:35:57Z raasch
	69	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	70	! bugfix: initialization of local sum arrays are moved to the beginning of the
	71	! routine because otherwise results from pres are overwritten
	72	!
[1917]	73	! 1914 2016-05-26 14:44:07Z witha
	74	! Added initialization of the wind turbine model
	75	!
[1879]	76	! 1878 2016-04-19 12:30:36Z hellstea
	77	! The zeroth element of weight_pres removed as unnecessary
	78	!
[1851]	79	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	80	! Adapted for modularization of microphysics.
	81	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	82	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	83	! microphysics_init.
	84	!
[1846]	85	! 1845 2016-04-08 08:29:13Z raasch
	86	! nzb_2d replaced by nzb_u\|v_inner
[1914]	87	!
[1834]	88	! 1833 2016-04-07 14:23:03Z raasch
	89	! initialization of spectra quantities moved to spectra_mod
	90	!
[1832]	91	! 1831 2016-04-07 13:15:51Z hoffmann
	92	! turbulence renamed collision_turbulence
	93	!
[1827]	94	! 1826 2016-04-07 12:01:39Z maronga
	95	! Renamed radiation calls.
	96	! Renamed canopy model calls.
	97	!
[1823]	98	! 1822 2016-04-07 07:49:42Z hoffmann
	99	! icloud_scheme replaced by microphysics_*
[1914]	100	!
[1818]	101	! 1817 2016-04-06 15:44:20Z maronga
	102	! Renamed lsm calls.
	103	!
[1816]	104	! 1815 2016-04-06 13:49:59Z raasch
	105	! zero-settings for velocities inside topography re-activated (was deactivated
	106	! in r1762)
	107	!
[1789]	108	! 1788 2016-03-10 11:01:04Z maronga
	109	! Added z0q.
	110	! Syntax layout improved.
	111	!
[1784]	112	! 1783 2016-03-06 18:36:17Z raasch
	113	! netcdf module name changed + related changes
	114	!
[1765]	115	! 1764 2016-02-28 12:45:19Z raasch
	116	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	117	!
[1763]	118	! 1762 2016-02-25 12:31:13Z hellstea
	119	! Introduction of nested domain feature
	120	!
[1739]	121	! 1738 2015-12-18 13:56:05Z raasch
	122	! calculate mean surface level height for each statistic region
	123	!
[1735]	124	! 1734 2015-12-02 12:17:12Z raasch
	125	! no initial disturbances in case that the disturbance energy limit has been
	126	! set zero
	127	!
[1708]	128	! 1707 2015-11-02 15:24:52Z maronga
	129	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	130	! devision by zero in neutral stratification
	131	!
[1692]	132	! 1691 2015-10-26 16:17:44Z maronga
	133	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	134	!
[1683]	135	! 1682 2015-10-07 23:56:08Z knoop
	136	! Code annotations made doxygen readable
	137	!
[1616]	138	! 1615 2015-07-08 18:49:19Z suehring
	139	! Enable turbulent inflow for passive_scalar and humidity
	140	!
[1586]	141	! 1585 2015-04-30 07:05:52Z maronga
	142	! Initialization of radiation code is now done after LSM initializtion
	143	!
[1576]	144	! 1575 2015-03-27 09:56:27Z raasch
	145	! adjustments for psolver-queries
	146	!
[1552]	147	! 1551 2015-03-03 14:18:16Z maronga
[1817]	148	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	149	! which is part of land_surface_model.
	150	!
[1508]	151	! 1507 2014-12-10 12:14:18Z suehring
	152	! Bugfix: set horizontal velocity components to zero inside topography
	153	!
[1497]	154	! 1496 2014-12-02 17:25:50Z maronga
	155	! Added initialization of the land surface and radiation schemes
	156	!
[1485]	157	! 1484 2014-10-21 10:53:05Z kanani
[1484]	158	! Changes due to new module structure of the plant canopy model:
[1508]	159	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	160	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	161	! call of subroutine init_plant_canopy added.
[1341]	162	!
[1432]	163	! 1431 2014-07-15 14:47:17Z suehring
	164	! var_d added, in order to normalize spectra.
	165	!
[1430]	166	! 1429 2014-07-15 12:53:45Z knoop
	167	! Ensemble run capability added to parallel random number generator
	168	!
[1412]	169	! 1411 2014-05-16 18:01:51Z suehring
	170	! Initial horizontal velocity profiles were not set to zero at the first vertical
	171	! grid level in case of non-cyclic lateral boundary conditions.
	172	!
[1407]	173	! 1406 2014-05-16 13:47:01Z raasch
	174	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	175	! no-slip boundary condition for uv
	176	!
[1403]	177	! 1402 2014-05-09 14:25:13Z raasch
	178	! location messages modified
	179	!
[1401]	180	! 1400 2014-05-09 14:03:54Z knoop
	181	! Parallel random number generator added
	182	!
[1385]	183	! 1384 2014-05-02 14:31:06Z raasch
	184	! location messages added
	185	!
[1362]	186	! 1361 2014-04-16 15:17:48Z hoffmann
	187	! tend_* removed
	188	! Bugfix: w_subs is not allocated anymore if it is already allocated
	189	!
[1360]	190	! 1359 2014-04-11 17:15:14Z hoffmann
	191	! module lpm_init_mod added to use statements, because lpm_init has become a
	192	! module
	193	!
[1354]	194	! 1353 2014-04-08 15:21:23Z heinze
	195	! REAL constants provided with KIND-attribute
	196	!
[1341]	197	! 1340 2014-03-25 19:45:13Z kanani
	198	! REAL constants defined as wp-kind
	199	!
[1323]	200	! 1322 2014-03-20 16:38:49Z raasch
	201	! REAL constants defined as wp-kind
	202	! module interfaces removed
	203	!
[1321]	204	! 1320 2014-03-20 08:40:49Z raasch
	205	! ONLY-attribute added to USE-statements,
	206	! kind-parameters added to all INTEGER and REAL declaration statements,
	207	! kinds are defined in new module kinds,
	208	! revision history before 2012 removed,
	209	! comment fields (!:) to be used for variable explanations added to
	210	! all variable declaration statements
	211	!
[1317]	212	! 1316 2014-03-17 07:44:59Z heinze
	213	! Bugfix: allocation of w_subs
	214	!
[1300]	215	! 1299 2014-03-06 13:15:21Z heinze
	216	! Allocate w_subs due to extension of large scale subsidence in combination
	217	! with large scale forcing data (LSF_DATA)
	218	!
[1242]	219	! 1241 2013-10-30 11:36:58Z heinze
	220	! Overwrite initial profiles in case of nudging
	221	! Inititialize shf and qsws in case of large_scale_forcing
	222	!
[1222]	223	! 1221 2013-09-10 08:59:13Z raasch
	224	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	225	! copy
	226	!
[1213]	227	! 1212 2013-08-15 08:46:27Z raasch
	228	! array tri is allocated and included in data copy statement
	229	!
[1196]	230	! 1195 2013-07-01 12:27:57Z heinze
	231	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	232	!
[1182]	233	! 1179 2013-06-14 05:57:58Z raasch
	234	! allocate and set ref_state to be used in buoyancy terms
	235	!
[1172]	236	! 1171 2013-05-30 11:27:45Z raasch
	237	! diss array is allocated with full size if accelerator boards are used
	238	!
[1160]	239	! 1159 2013-05-21 11:58:22Z fricke
	240	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	241	!
[1154]	242	! 1153 2013-05-10 14:33:08Z raasch
	243	! diss array is allocated with dummy elements even if it is not needed
[1171]	244	! (required by PGI 13.4 / CUDA 5.0)
[1154]	245	!
[1116]	246	! 1115 2013-03-26 18:16:16Z hoffmann
	247	! unused variables removed
	248	!
[1114]	249	! 1113 2013-03-10 02:48:14Z raasch
	250	! openACC directive modified
	251	!
[1112]	252	! 1111 2013-03-08 23:54:10Z raasch
	253	! openACC directives added for pres
	254	! array diss allocated only if required
	255	!
[1093]	256	! 1092 2013-02-02 11:24:22Z raasch
	257	! unused variables removed
	258	!
[1066]	259	! 1065 2012-11-22 17:42:36Z hoffmann
	260	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	261	!
[1054]	262	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	263	! allocation and initialisation of necessary data arrays for the two-moment
	264	! cloud physics scheme the two new prognostic equations (nr, qr):
	265	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	266	! +tend_*, prr
[979]	267	!
[1037]	268	! 1036 2012-10-22 13:43:42Z raasch
	269	! code put under GPL (PALM 3.9)
	270	!
[1033]	271	! 1032 2012-10-21 13:03:21Z letzel
	272	! save memory by not allocating pt_2 in case of neutral = .T.
	273	!
[1026]	274	! 1025 2012-10-07 16:04:41Z letzel
	275	! bugfix: swap indices of mask for ghost boundaries
	276	!
[1017]	277	! 1015 2012-09-27 09:23:24Z raasch
	278	! mask is set to zero for ghost boundaries
	279	!
[1011]	280	! 1010 2012-09-20 07:59:54Z raasch
	281	! cpp switch __nopointer added for pointer free version
	282	!
[1004]	283	! 1003 2012-09-14 14:35:53Z raasch
	284	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	285	!
[1002]	286	! 1001 2012-09-13 14:08:46Z raasch
	287	! all actions concerning leapfrog scheme removed
	288	!
[997]	289	! 996 2012-09-07 10:41:47Z raasch
	290	! little reformatting
	291	!
[979]	292	! 978 2012-08-09 08:28:32Z fricke
[978]	293	! outflow damping layer removed
	294	! roughness length for scalar quantites z0h added
	295	! damping zone for the potential temperatur in case of non-cyclic lateral
	296	! boundaries added
	297	! initialization of ptdf_x, ptdf_y
	298	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	299	!
[850]	300	! 849 2012-03-15 10:35:09Z raasch
	301	! init_particles renamed lpm_init
	302	!
[826]	303	! 825 2012-02-19 03:03:44Z raasch
	304	! wang_collision_kernel renamed wang_kernel
	305	!
[1]	306	! Revision 1.1 1998/03/09 16:22:22 raasch
	307	! Initial revision
	308	!
	309	!
	310	! Description:
	311	! ------------
[1682]	312	!> Allocation of arrays and initialization of the 3D model via
	313	!> a) pre-run the 1D model
	314	!> or
	315	!> b) pre-set constant linear profiles
	316	!> or
	317	!> c) read values of a previous run
[1]	318	!------------------------------------------------------------------------------!
[1682]	319	SUBROUTINE init_3d_model
	320
[1]	321
[667]	322	USE advec_ws
[1320]	323
[1]	324	USE arrays_3d
[1849]	325
[2037]	326	USE cloud_parameters, &
	327	ONLY: cp, l_v, r_d
	328
[1320]	329	USE constants, &
	330	ONLY: pi
	331
[1]	332	USE control_parameters
[1320]	333
[1957]	334	USE flight_mod, &
	335	ONLY: flight_init
	336
[1320]	337	USE grid_variables, &
[2037]	338	ONLY: dx, dy, ddx2_mg, ddy2_mg
[1320]	339
[1]	340	USE indices
[1359]	341
[1429]	342	USE lpm_init_mod, &
[1359]	343	ONLY: lpm_init
[1320]	344
	345	USE kinds
[1496]	346
	347	USE land_surface_model_mod, &
[1817]	348	ONLY: lsm_init, lsm_init_arrays, land_surface
[1496]	349
[1241]	350	USE ls_forcing_mod
[1849]	351
	352	USE microphysics_mod, &
	353	ONLY: collision_turbulence, microphysics_init
	354
[1320]	355	USE model_1d, &
	356	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	357
[1783]	358	USE netcdf_interface, &
	359	ONLY: dots_max, dots_num
[1320]	360
	361	USE particle_attributes, &
	362	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	363
[1]	364	USE pegrid
[1320]	365
[1484]	366	USE plant_canopy_model_mod, &
[1826]	367	ONLY: pcm_init, plant_canopy
[1496]	368
	369	USE radiation_model_mod, &
[1826]	370	ONLY: radiation_init, radiation
[1484]	371
[1320]	372	USE random_function_mod
	373
[1400]	374	USE random_generator_parallel, &
[2172]	375	ONLY: init_parallel_random_generator
[1400]	376
[1320]	377	USE statistics, &
[1738]	378	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	379	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	380	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	381	weight_pres, weight_substep
[1691]	382
	383	USE surface_layer_fluxes_mod, &
	384	ONLY: init_surface_layer_fluxes
	385
[2007]	386	USE transpose_indices
[1]	387
[2007]	388	USE urban_surface_mod, &
[2011]	389	ONLY: usm_init_urban_surface
[2007]	390
[1914]	391	USE wind_turbine_model_mod, &
	392	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	393
[1]	394	IMPLICIT NONE
	395
[1682]	396	INTEGER(iwp) :: i !<
	397	INTEGER(iwp) :: ind_array(1) !<
	398	INTEGER(iwp) :: j !<
	399	INTEGER(iwp) :: k !<
	400	INTEGER(iwp) :: sr !<
[1]	401
[1682]	402	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	403
[1682]	404	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	405	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	406
[2037]	407	REAL(wp) :: t_surface !< air temperature at the surface
	408
	409	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
	410
	411	INTEGER(iwp) :: l !< loop variable
	412	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
	413	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
	414	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
	415
[1764]	416	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	417	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	418
[1738]	419	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	420	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	421	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	422
[485]	423
[1402]	424	CALL location_message( 'allocating arrays', .FALSE. )
[1]	425	!
	426	!-- Allocate arrays
[1788]	427	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	428	mean_surface_level_height_l(0:statistic_regions), &
	429	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	430	ngp_3d(0:statistic_regions), &
	431	ngp_3d_inner(0:statistic_regions), &
	432	ngp_3d_inner_l(0:statistic_regions), &
	433	ngp_3d_inner_tmp(0:statistic_regions), &
	434	sums_divnew_l(0:statistic_regions), &
[1]	435	sums_divold_l(0:statistic_regions) )
[1195]	436	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	437	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	438	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	439	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	440	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	441	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	442	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	443	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	444	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	445	sums_up_fraction_l(10,3,0:statistic_regions), &
	446	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	447	ts_value(dots_max,0:statistic_regions) )
[978]	448	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	449
[1788]	450	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	451	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	452	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	453	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	454	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
	455	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
[1]	456
[1788]	457	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	458	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	459	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	460	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	461	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	462
	463	#if defined( __nopointer )
[1788]	464	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	465	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	466	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	467	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	468	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	474	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	475	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	476	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	477	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	478	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	479	#else
[1788]	480	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	481	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	482	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	483	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	484	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	485	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	486	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	487	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	488	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	489	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	490	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	491	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	492	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	493	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	494	IF ( .NOT. neutral ) THEN
[1032]	495	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	496	ENDIF
[1010]	497	#endif
	498
[673]	499	!
[707]	500	!-- Following array is required for perturbation pressure within the iterative
	501	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	502	!-- the weighted average of the substeps and cannot be used in the Poisson
	503	!-- solver.
	504	IF ( psolver == 'sor' ) THEN
	505	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	506	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	507	!
	508	!-- For performance reasons, multigrid is using one ghost layer only
	509	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	510	ENDIF
[1]	511
[1111]	512	!
	513	!-- Array for storing constant coeffficients of the tridiagonal solver
	514	IF ( psolver == 'poisfft' ) THEN
[1212]	515	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	516	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	517	ENDIF
	518
[1960]	519	IF ( humidity ) THEN
[1]	520	!
[1960]	521	!-- 2D-humidity
[1788]	522	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	523	qsws(nysg:nyng,nxlg:nxrg), &
[1001]	524	qswst(nysg:nyng,nxlg:nxrg) )
[1]	525
	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	!-- 2D-rain water content and rain drop concentration arrays
	575	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	576	qrsws(nysg:nyng,nxlg:nxrg), &
	577	qrswst(nysg:nyng,nxlg:nxrg), &
	578	nrs(nysg:nyng,nxlg:nxrg), &
	579	nrsws(nysg:nyng,nxlg:nxrg), &
	580	nrswst(nysg:nyng,nxlg:nxrg) )
[1115]	581	!
[1822]	582	!-- 3D-rain water content, rain drop concentration arrays
[1115]	583	#if defined( __nopointer )
[1822]	584	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	585	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	586	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	587	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	588	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	589	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	590	#else
[1822]	591	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	592	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	593	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	594	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	595	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	596	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	597	#endif
[1822]	598	ENDIF
[1053]	599
[1]	600	ENDIF
	601
	602	IF ( cloud_droplets ) THEN
	603	!
[1010]	604	!-- Liquid water content, change in liquid water content
	605	#if defined( __nopointer )
[1788]	606	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	607	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	608	#else
[1788]	609	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	610	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	611	#endif
	612	!
	613	!-- Real volume of particles (with weighting), volume of particles
[1788]	614	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	615	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	616	ENDIF
	617
	618	ENDIF
	619
	620	ENDIF
[1960]	621
	622
	623	IF ( passive_scalar ) THEN
	624	!
	625	!-- 2D-scalar arrays
	626	ALLOCATE ( ss(nysg:nyng,nxlg:nxrg), &
	627	ssws(nysg:nyng,nxlg:nxrg), &
	628	sswst(nysg:nyng,nxlg:nxrg) )
[1]	629
[1960]	630	!
	631	!-- 3D scalar arrays
	632	#if defined( __nopointer )
	633	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	634	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	635	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	636	#else
	637	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	638	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	639	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	640	#endif
	641	ENDIF
	642
[94]	643	IF ( ocean ) THEN
[1788]	644	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
[1001]	645	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	646	#if defined( __nopointer )
[1788]	647	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[2031]	648	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1788]	649	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	650	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	651	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	652	#else
[1788]	653	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	654	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	655	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	656	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	657	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	658	prho => prho_1
[2031]	659	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
[388]	660	! density to be apointer
[1010]	661	#endif
[108]	662	IF ( humidity_remote ) THEN
[667]	663	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	664	qswst_remote = 0.0_wp
[108]	665	ENDIF
[94]	666	ENDIF
	667
[1]	668	!
[2037]	669	!-- Allocation of anelastic and Boussinesq approximation specific arrays
	670	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
	671	ALLOCATE( rho_air(nzb:nzt+1) )
	672	ALLOCATE( rho_air_zw(nzb:nzt+1) )
	673	ALLOCATE( drho_air(nzb:nzt+1) )
	674	ALLOCATE( drho_air_zw(nzb:nzt+1) )
	675
	676	!
	677	!-- Density profile calculation for anelastic approximation
	678	IF ( TRIM( approximation ) == 'anelastic' ) THEN
	679	t_surface = pt_surface * ( surface_pressure / 1000.0_wp )**( r_d / cp )
	680	DO k = nzb, nzt+1
	681	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
	682	( 1 - ( g * zu(k) ) / ( cp * t_surface ) &
	683	)**( cp / r_d )
	684	rho_air(k) = ( p_hydrostatic(k) * &
	685	( 100000.0_wp / p_hydrostatic(k) &
	686	)**( r_d / cp ) &
	687	) / ( r_d * pt_init(k) )
	688	ENDDO
	689	DO k = nzb, nzt
	690	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	691	ENDDO
	692	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	693	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
	694	ELSE
	695	rho_air = 1.0_wp
	696	rho_air_zw = 1.0_wp
	697	ENDIF
	698
	699	!-- compute the inverse density array in order to avoid expencive divisions
	700	drho_air = 1.0_wp / rho_air
	701	drho_air_zw = 1.0_wp / rho_air_zw
	702
	703	!
	704	!-- Allocation of flux conversion arrays
	705	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
	706	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
	707	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
	708	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
	709	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
	710	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
	711
	712	!
	713	!-- calculate flux conversion factors according to approximation and in-/output mode
	714	DO k = nzb, nzt+1
	715
	716	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
	717	heatflux_input_conversion(k) = rho_air_zw(k)
	718	waterflux_input_conversion(k) = rho_air_zw(k)
	719	momentumflux_input_conversion(k) = rho_air_zw(k)
	720	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
	721	heatflux_input_conversion(k) = 1.0_wp / cp
	722	waterflux_input_conversion(k) = 1.0_wp / l_v
	723	momentumflux_input_conversion(k) = 1.0_wp
	724	ENDIF
	725
	726	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
	727	heatflux_output_conversion(k) = drho_air_zw(k)
	728	waterflux_output_conversion(k) = drho_air_zw(k)
	729	momentumflux_output_conversion(k) = drho_air_zw(k)
	730	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
	731	heatflux_output_conversion(k) = cp
	732	waterflux_output_conversion(k) = l_v
	733	momentumflux_output_conversion(k) = 1.0_wp
	734	ENDIF
	735
	736	IF ( .NOT. humidity ) THEN
	737	waterflux_input_conversion(k) = 1.0_wp
	738	waterflux_output_conversion(k) = 1.0_wp
	739	ENDIF
	740
	741	ENDDO
	742
	743	!
	744	!-- In case of multigrid method, compute grid lengths and grid factors for the
	745	!-- grid levels with respective density on each grid
	746	IF ( psolver(1:9) == 'multigrid' ) THEN
	747
	748	ALLOCATE( ddx2_mg(maximum_grid_level) )
	749	ALLOCATE( ddy2_mg(maximum_grid_level) )
	750	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
	751	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
	752	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
	753	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
	754	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
	755	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
	756	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
	757
	758	dzu_mg(:,maximum_grid_level) = dzu
	759	rho_air_mg(:,maximum_grid_level) = rho_air
	760	!
	761	!-- Next line to ensure an equally spaced grid.
	762	dzu_mg(1,maximum_grid_level) = dzu(2)
	763	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
	764	(rho_air(nzb) - rho_air(nzb+1))
	765
	766	dzw_mg(:,maximum_grid_level) = dzw
	767	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
	768	nzt_l = nzt
	769	DO l = maximum_grid_level-1, 1, -1
	770	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
	771	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
	772	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
	773	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))
	774	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
	775	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
	776	nzt_l = nzt_l / 2
	777	DO k = 2, nzt_l+1
	778	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
	779	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
	780	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
	781	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
	782	ENDDO
	783	ENDDO
	784
	785	nzt_l = nzt
	786	dx_l = dx
	787	dy_l = dy
	788	DO l = maximum_grid_level, 1, -1
	789	ddx2_mg(l) = 1.0_wp / dx_l**2
	790	ddy2_mg(l) = 1.0_wp / dy_l**2
	791	DO k = nzb+1, nzt_l
	792	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
	793	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
	794	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
	795	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
	796	ENDDO
	797	nzt_l = nzt_l / 2
	798	dx_l = dx_l * 2.0_wp
	799	dy_l = dy_l * 2.0_wp
	800	ENDDO
	801
	802	ENDIF
	803
	804	!
[1]	805	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	806	!-- particle velocities
[2118]	807	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence )&
	808	THEN
[1153]	809	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	810	ENDIF
	811
	812	!
[1299]	813	!-- 1D-array for large scale subsidence velocity
[1361]	814	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	815	ALLOCATE ( w_subs(nzb:nzt+1) )
	816	w_subs = 0.0_wp
	817	ENDIF
[1299]	818
	819	!
[51]	820	!-- 4D-array for storing the Rif-values at vertical walls
	821	IF ( topography /= 'flat' ) THEN
[667]	822	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	823	rif_wall = 0.0_wp
[51]	824	ENDIF
	825
	826	!
[106]	827	!-- Arrays to store velocity data from t-dt and the phase speeds which
	828	!-- are needed for radiation boundary conditions
[73]	829	IF ( outflow_l ) THEN
[1788]	830	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	831	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	832	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	833	ENDIF
	834	IF ( outflow_r ) THEN
[1788]	835	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	836	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	837	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	838	ENDIF
[106]	839	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	840	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	841	c_w(nzb:nzt+1,nysg:nyng) )
[106]	842	ENDIF
[73]	843	IF ( outflow_s ) THEN
[1788]	844	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	845	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	846	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	847	ENDIF
	848	IF ( outflow_n ) THEN
[1788]	849	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	850	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	851	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	852	ENDIF
[106]	853	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	854	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	855	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	856	ENDIF
[996]	857	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	858	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	859	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	860	ENDIF
[73]	861
[978]	862
[1010]	863	#if ! defined( __nopointer )
[73]	864	!
[1]	865	!-- Initial assignment of the pointers
[1001]	866	e => e_1; e_p => e_2; te_m => e_3
[1032]	867	IF ( .NOT. neutral ) THEN
	868	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	869	ELSE
	870	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	871	ENDIF
[1001]	872	u => u_1; u_p => u_2; tu_m => u_3
	873	v => v_1; v_p => v_2; tv_m => v_3
	874	w => w_1; w_p => w_2; tw_m => w_3
[1]	875
[1960]	876	IF ( humidity ) THEN
[1001]	877	q => q_1; q_p => q_2; tq_m => q_3
[1053]	878	IF ( humidity ) THEN
	879	vpt => vpt_1
	880	IF ( cloud_physics ) THEN
	881	ql => ql_1
[1822]	882	qc => qc_1
	883	IF ( microphysics_seifert ) THEN
	884	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	885	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	886	ENDIF
	887	ENDIF
	888	ENDIF
[1001]	889	IF ( cloud_droplets ) THEN
	890	ql => ql_1
	891	ql_c => ql_2
[1]	892	ENDIF
[1001]	893	ENDIF
[1960]	894
	895	IF ( passive_scalar ) THEN
	896	s => s_1; s_p => s_2; ts_m => s_3
	897	ENDIF
[1]	898
[1001]	899	IF ( ocean ) THEN
	900	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	901	ENDIF
[1010]	902	#endif
[1]	903
	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
	948	!
[1]	949	!-- Initialize model variables
[1788]	950	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	951	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	952	!
	953	!-- First model run of a possible job queue.
	954	!-- Initial profiles of the variables must be computes.
	955	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	956
[1402]	957	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	958	!
	959	!-- Use solutions of the 1D model as initial profiles,
	960	!-- start 1D model
	961	CALL init_1d_model
	962	!
	963	!-- Transfer initial profiles to the arrays of the 3D model
[667]	964	DO i = nxlg, nxrg
	965	DO j = nysg, nyng
[1]	966	e(:,j,i) = e1d
	967	kh(:,j,i) = kh1d
	968	km(:,j,i) = km1d
	969	pt(:,j,i) = pt_init
	970	u(:,j,i) = u1d
	971	v(:,j,i) = v1d
	972	ENDDO
	973	ENDDO
	974
[1960]	975	IF ( humidity ) THEN
[667]	976	DO i = nxlg, nxrg
	977	DO j = nysg, nyng
[1]	978	q(:,j,i) = q_init
	979	ENDDO
	980	ENDDO
[1822]	981	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	982	DO i = nxlg, nxrg
	983	DO j = nysg, nyng
[1340]	984	qr(:,j,i) = 0.0_wp
	985	nr(:,j,i) = 0.0_wp
[1053]	986	ENDDO
	987	ENDDO
[1115]	988
[1053]	989	ENDIF
[1]	990	ENDIF
[1960]	991	IF ( passive_scalar ) THEN
	992	DO i = nxlg, nxrg
	993	DO j = nysg, nyng
	994	s(:,j,i) = s_init
	995	ENDDO
	996	ENDDO
	997	ENDIF
[1]	998
	999	IF ( .NOT. constant_diffusion ) THEN
[667]	1000	DO i = nxlg, nxrg
	1001	DO j = nysg, nyng
[1]	1002	e(:,j,i) = e1d
	1003	ENDDO
	1004	ENDDO
	1005	!
	1006	!-- Store initial profiles for output purposes etc.
	1007	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	1008
[1691]	1009	IF ( constant_flux_layer ) THEN
[1707]	1010	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	1011	ts = 0.0_wp ! could actually be computed more accurately in the
	1012	! 1D model. Update when opportunity arises.
[1]	1013	us = us1d
	1014	usws = usws1d
	1015	vsws = vsws1d
	1016	ELSE
[1340]	1017	ts = 0.0_wp ! must be set, because used in
[1691]	1018	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	1019	us = 0.0_wp
	1020	usws = 0.0_wp
	1021	vsws = 0.0_wp
[1]	1022	ENDIF
	1023
	1024	ELSE
[1340]	1025	e = 0.0_wp ! must be set, because used in
[1691]	1026	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	1027	ts = 0.0_wp
	1028	us = 0.0_wp
	1029	usws = 0.0_wp
	1030	vsws = 0.0_wp
[1]	1031	ENDIF
[2037]	1032	uswst = top_momentumflux_u * momentumflux_input_conversion(nzt+1)
	1033	vswst = top_momentumflux_v * momentumflux_input_conversion(nzt+1)
[1]	1034
	1035	!
	1036	!-- In every case qs = 0.0 (see also pt)
	1037	!-- This could actually be computed more accurately in the 1D model.
	1038	!-- Update when opportunity arises!
[1960]	1039	IF ( humidity ) THEN
[1340]	1040	qs = 0.0_wp
[1822]	1041	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1042	qrs = 0.0_wp
	1043	nrs = 0.0_wp
[1053]	1044	ENDIF
	1045	ENDIF
[1960]	1046	!
	1047	!-- Initialize scaling parameter for passive scalar
	1048	IF ( passive_scalar ) ss = 0.0_wp
[1]	1049
	1050	!
[1762]	1051	!-- Inside buildings set velocities back to zero
[1]	1052	IF ( topography /= 'flat' ) THEN
[1762]	1053	DO i = nxlg, nxrg
	1054	DO j = nysg, nyng
[1340]	1055	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1056	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	1057	ENDDO
	1058	ENDDO
[667]	1059
[1]	1060	!
	1061	!-- WARNING: The extra boundary conditions set after running the
	1062	!-- ------- 1D model impose an error on the divergence one layer
	1063	!-- below the topography; need to correct later
	1064	!-- ATTENTION: Provisional correction for Piacsek & Williams
	1065	!-- --------- advection scheme: keep u and v zero one layer below
	1066	!-- the topography.
[667]	1067	IF ( ibc_uv_b == 1 ) THEN
	1068	!
[1]	1069	!-- Neumann condition
	1070	DO i = nxl-1, nxr+1
	1071	DO j = nys-1, nyn+1
	1072	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	1073	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	1074	ENDDO
	1075	ENDDO
	1076
	1077	ENDIF
	1078
	1079	ENDIF
	1080
[1402]	1081	CALL location_message( 'finished', .TRUE. )
[1384]	1082
[1788]	1083	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	1084	THEN
[1241]	1085
[1402]	1086	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	1087	!
[1241]	1088	!-- Overwrite initial profiles in case of nudging
[1788]	1089	IF ( nudging ) THEN
[1241]	1090	pt_init = ptnudge(:,1)
	1091	u_init = unudge(:,1)
	1092	v_init = vnudge(:,1)
[1960]	1093	IF ( humidity ) THEN ! is passive_scalar correct???
[1241]	1094	q_init = qnudge(:,1)
	1095	ENDIF
	1096
[1788]	1097	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	1098	'scalars from NUDGING_DATA are used.'
	1099	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	1100	ENDIF
	1101
	1102	!
[1]	1103	!-- Use constructed initial profiles (velocity constant with height,
	1104	!-- temperature profile with constant gradient)
[667]	1105	DO i = nxlg, nxrg
	1106	DO j = nysg, nyng
[1]	1107	pt(:,j,i) = pt_init
	1108	u(:,j,i) = u_init
	1109	v(:,j,i) = v_init
	1110	ENDDO
	1111	ENDDO
[75]	1112
[1]	1113	!
[292]	1114	!-- Set initial horizontal velocities at the lowest computational grid
	1115	!-- levels to zero in order to avoid too small time steps caused by the
	1116	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	1117	!-- in the limiting formula!).
	1118	IF ( ibc_uv_b /= 1 ) THEN
	1119	DO i = nxlg, nxrg
	1120	DO j = nysg, nyng
	1121	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	1122	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	1123	ENDDO
	1124	ENDDO
	1125	ENDIF
[1]	1126
[1960]	1127	IF ( humidity ) THEN
[667]	1128	DO i = nxlg, nxrg
	1129	DO j = nysg, nyng
[1]	1130	q(:,j,i) = q_init
	1131	ENDDO
	1132	ENDDO
[1822]	1133	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	1134
[1822]	1135	DO i = nxlg, nxrg
	1136	DO j = nysg, nyng
	1137	qr(:,j,i) = 0.0_wp
	1138	nr(:,j,i) = 0.0_wp
[1053]	1139	ENDDO
[1822]	1140	ENDDO
[1115]	1141
[1053]	1142	ENDIF
[1]	1143	ENDIF
[1960]	1144
	1145	IF ( passive_scalar ) THEN
	1146	DO i = nxlg, nxrg
	1147	DO j = nysg, nyng
	1148	s(:,j,i) = s_init
	1149	ENDDO
	1150	ENDDO
	1151	ENDIF
[1]	1152
[94]	1153	IF ( ocean ) THEN
[667]	1154	DO i = nxlg, nxrg
	1155	DO j = nysg, nyng
[94]	1156	sa(:,j,i) = sa_init
	1157	ENDDO
	1158	ENDDO
	1159	ENDIF
[1]	1160
	1161	IF ( constant_diffusion ) THEN
	1162	km = km_constant
	1163	kh = km / prandtl_number
[1340]	1164	e = 0.0_wp
	1165	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	1166	DO k = nzb+1, nzt
[1340]	1167	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	1168	ENDDO
	1169	km(nzb,:,:) = km(nzb+1,:,:)
	1170	km(nzt+1,:,:) = km(nzt,:,:)
	1171	kh = km / prandtl_number
	1172	e = e_init
[1]	1173	ELSE
[108]	1174	IF ( .NOT. ocean ) THEN
[1340]	1175	kh = 0.01_wp ! there must exist an initial diffusion, because
	1176	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	1177	! production terms, as long as not yet
	1178	! e = (u/cm)*2 at k=nzb+1
	1179	ELSE
[1340]	1180	kh = 0.00001_wp
	1181	km = 0.00001_wp
[108]	1182	ENDIF
[1340]	1183	e = 0.0_wp
[1]	1184	ENDIF
[1691]	1185	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	1186	ts = 0.0_wp
[1920]	1187	!
	1188	!-- Very small number is required for calculation of Obukhov length
	1189	!-- at first timestep
	1190	us = 1E-30_wp
[1340]	1191	usws = 0.0_wp
[2037]	1192	uswst = top_momentumflux_u * momentumflux_input_conversion(nzt+1)
[1340]	1193	vsws = 0.0_wp
[2037]	1194	vswst = top_momentumflux_v * momentumflux_input_conversion(nzt+1)
[1960]	1195	IF ( humidity ) qs = 0.0_wp
	1196	IF ( passive_scalar ) ss = 0.0_wp
[1]	1197
	1198	!
	1199	!-- Compute initial temperature field and other constants used in case
	1200	!-- of a sloping surface
	1201	IF ( sloping_surface ) CALL init_slope
	1202
[1402]	1203	CALL location_message( 'finished', .TRUE. )
[1384]	1204
[1788]	1205	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	1206	THEN
[1384]	1207
[1402]	1208	CALL location_message( 'initializing by user', .FALSE. )
[46]	1209	!
	1210	!-- Initialization will completely be done by the user
	1211	CALL user_init_3d_model
	1212
[1402]	1213	CALL location_message( 'finished', .TRUE. )
[1384]	1214
[1]	1215	ENDIF
[1384]	1216
[1402]	1217	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	1218	.FALSE. )
[1384]	1219
[667]	1220	!
	1221	!-- Bottom boundary
	1222	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	1223	u(nzb,:,:) = 0.0_wp
	1224	v(nzb,:,:) = 0.0_wp
[667]	1225	ENDIF
[1]	1226
	1227	!
[151]	1228	!-- Apply channel flow boundary condition
[132]	1229	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	1230	u(nzt+1,:,:) = 0.0_wp
	1231	v(nzt+1,:,:) = 0.0_wp
[132]	1232	ENDIF
	1233
	1234	!
[1]	1235	!-- Calculate virtual potential temperature
[1960]	1236	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1237
	1238	!
	1239	!-- Store initial profiles for output purposes etc.
	1240	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1241	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1242	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1243	hom(nzb,1,5,:) = 0.0_wp
	1244	hom(nzb,1,6,:) = 0.0_wp
[1]	1245	ENDIF
	1246	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1247	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1248	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1249
[97]	1250	IF ( ocean ) THEN
	1251	!
	1252	!-- Store initial salinity profile
	1253	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1254	ENDIF
[1]	1255
[75]	1256	IF ( humidity ) THEN
[1]	1257	!
	1258	!-- Store initial profile of total water content, virtual potential
	1259	!-- temperature
	1260	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1261	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1262	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1263	!
	1264	!-- Store initial profile of specific humidity and potential
	1265	!-- temperature
	1266	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1267	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1268	ENDIF
	1269	ENDIF
	1270
	1271	IF ( passive_scalar ) THEN
	1272	!
	1273	!-- Store initial scalar profile
[1960]	1274	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
[1]	1275	ENDIF
	1276
	1277	!
[1400]	1278	!-- Initialize the random number generators (from numerical recipes)
	1279	CALL random_function_ini
[1429]	1280
[1400]	1281	IF ( random_generator == 'random-parallel' ) THEN
[2172]	1282	CALL init_parallel_random_generator(nx, ny, nys, nyn, nxl, nxr)
[1400]	1283	ENDIF
	1284
	1285	!
[19]	1286	!-- Initialize fluxes at bottom surface
[1]	1287	IF ( use_surface_fluxes ) THEN
	1288
	1289	IF ( constant_heatflux ) THEN
	1290	!
	1291	!-- Heat flux is prescribed
	1292	IF ( random_heatflux ) THEN
	1293	CALL disturb_heatflux
	1294	ELSE
[2037]	1295	shf = surface_heatflux * heatflux_input_conversion(nzb)
[1]	1296	!
[1241]	1297	!-- Initialize shf with data from external file LSF_DATA
[1788]	1298	IF ( large_scale_forcing .AND. lsf_surf ) THEN
[1241]	1299	CALL ls_forcing_surf ( simulated_time )
	1300	ENDIF
	1301
	1302	!
[1]	1303	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1304	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1305	DO i = nxlg, nxrg
	1306	DO j = nysg, nyng
[1]	1307	IF ( nzb_s_inner(j,i) /= 0 ) THEN
[2037]	1308	shf(j,i) = wall_heatflux(0) &
	1309	* heatflux_input_conversion(nzb_s_inner(j,i))
[1]	1310	ENDIF
	1311	ENDDO
	1312	ENDDO
	1313	ENDIF
	1314	ENDIF
	1315	ENDIF
	1316
	1317	!
	1318	!-- Determine the near-surface water flux
[1960]	1319	IF ( humidity ) THEN
[1822]	1320	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1321	qrsws = 0.0_wp
	1322	nrsws = 0.0_wp
[1053]	1323	ENDIF
[1]	1324	IF ( constant_waterflux ) THEN
[2037]	1325	qsws = surface_waterflux * waterflux_input_conversion(nzb)
[407]	1326	!
	1327	!-- Over topography surface_waterflux is replaced by
	1328	!-- wall_humidityflux(0)
	1329	IF ( TRIM( topography ) /= 'flat' ) THEN
	1330	wall_qflux = wall_humidityflux
[667]	1331	DO i = nxlg, nxrg
	1332	DO j = nysg, nyng
[407]	1333	IF ( nzb_s_inner(j,i) /= 0 ) THEN
[2037]	1334	qsws(j,i) = wall_qflux(0) &
	1335	* waterflux_input_conversion(nzb_s_inner(j,i))
[407]	1336	ENDIF
	1337	ENDDO
	1338	ENDDO
	1339	ENDIF
[1]	1340	ENDIF
	1341	ENDIF
[1960]	1342	!
	1343	!-- Initialize the near-surface scalar flux
	1344	IF ( passive_scalar ) THEN
	1345	IF ( constant_scalarflux ) THEN
	1346	ssws = surface_scalarflux
	1347	!
	1348	!-- Over topography surface_scalarflux is replaced by
	1349	!-- wall_scalarflux(0)
	1350	IF ( TRIM( topography ) /= 'flat' ) THEN
	1351	wall_sflux = wall_scalarflux
	1352	DO i = nxlg, nxrg
	1353	DO j = nysg, nyng
	1354	IF ( nzb_s_inner(j,i) /= 0 ) ssws(j,i) = wall_sflux(0)
	1355	ENDDO
	1356	ENDDO
	1357	ENDIF
	1358	ENDIF
[1992]	1359	ENDIF
	1360	!
	1361	!-- Initialize near-surface salinity flux
	1362	IF ( ocean ) saswsb = bottom_salinityflux
[1]	1363
	1364	ENDIF
	1365
	1366	!
[19]	1367	!-- Initialize fluxes at top surface
[94]	1368	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1369	!-- The latent flux is zero in this case!
[19]	1370	IF ( use_top_fluxes ) THEN
	1371	!
[1992]	1372	!-- Prescribe to heat flux
[2037]	1373	IF ( constant_top_heatflux ) tswst = top_heatflux &
	1374	* heatflux_input_conversion(nzt+1)
[1992]	1375	!
	1376	!-- Prescribe zero latent flux at the top
	1377	IF ( humidity ) THEN
	1378	qswst = 0.0_wp
	1379	IF ( cloud_physics .AND. microphysics_seifert ) THEN
	1380	nrswst = 0.0_wp
	1381	qrswst = 0.0_wp
[1053]	1382	ENDIF
[102]	1383	ENDIF
	1384	!
[1992]	1385	!-- Prescribe top scalar flux
	1386	IF ( passive_scalar .AND. constant_top_scalarflux ) &
	1387	sswst = top_scalarflux
	1388	!
	1389	!-- Prescribe top salinity flux
	1390	IF ( ocean .AND. constant_top_salinityflux) &
	1391	saswst = top_salinityflux
	1392	!
[102]	1393	!-- Initialization in case of a coupled model run
	1394	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1395	tswst = 0.0_wp
[102]	1396	ENDIF
	1397
[19]	1398	ENDIF
	1399
	1400	!
[1]	1401	!-- Initialize Prandtl layer quantities
[1691]	1402	IF ( constant_flux_layer ) THEN
[1]	1403
	1404	z0 = roughness_length
[978]	1405	z0h = z0h_factor * z0
[1788]	1406	z0q = z0h_factor * z0
[1]	1407
	1408	IF ( .NOT. constant_heatflux ) THEN
	1409	!
	1410	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1411	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1412	!-- to be computed by iteration. This is why the heat flux is assumed
	1413	!-- to be zero before the first time step. It approaches its correct
	1414	!-- value in the course of the first few time steps.
[1340]	1415	shf = 0.0_wp
[1]	1416	ENDIF
	1417
[1960]	1418	IF ( humidity ) THEN
[1788]	1419	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1822]	1420	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1421	qrsws = 0.0_wp
	1422	nrsws = 0.0_wp
[1053]	1423	ENDIF
[1]	1424	ENDIF
[1960]	1425	IF ( passive_scalar .AND. .NOT. constant_scalarflux ) ssws = 0.0_wp
[1]	1426
	1427	ENDIF
	1428
[1179]	1429	!
	1430	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1431	!-- the reference state will be set (overwritten) in init_ocean)
	1432	IF ( use_single_reference_value ) THEN
[1788]	1433	IF ( .NOT. humidity ) THEN
[1179]	1434	ref_state(:) = pt_reference
	1435	ELSE
	1436	ref_state(:) = vpt_reference
	1437	ENDIF
	1438	ELSE
[1788]	1439	IF ( .NOT. humidity ) THEN
[1179]	1440	ref_state(:) = pt_init(:)
	1441	ELSE
	1442	ref_state(:) = vpt(:,nys,nxl)
	1443	ENDIF
	1444	ENDIF
[152]	1445
	1446	!
[707]	1447	!-- For the moment, vertical velocity is zero
[1340]	1448	w = 0.0_wp
[1]	1449
	1450	!
	1451	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1452	sums = 0.0_wp
[1]	1453
	1454	!
[707]	1455	!-- In case of iterative solvers, p must get an initial value
[1575]	1456	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1457
	1458	!
[72]	1459	!-- Treating cloud physics, liquid water content and precipitation amount
	1460	!-- are zero at beginning of the simulation
	1461	IF ( cloud_physics ) THEN
[1340]	1462	ql = 0.0_wp
[1822]	1463	qc = 0.0_wp
	1464
	1465	precipitation_amount = 0.0_wp
[72]	1466	ENDIF
[673]	1467	!
[1]	1468	!-- Impose vortex with vertical axis on the initial velocity profile
	1469	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1470	CALL init_rankine
	1471	ENDIF
	1472
	1473	!
	1474	!-- Impose temperature anomaly (advection test only)
	1475	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1476	CALL init_pt_anomaly
	1477	ENDIF
	1478
	1479	!
	1480	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1481	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1482	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1483	ENDIF
	1484
	1485	!
	1486	!-- If required, change the surface humidity/scalar at the start of the 3D
	1487	!-- run
[1960]	1488	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
[1]	1489	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
[1960]	1490
	1491	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
	1492	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
	1493
[1]	1494
	1495	!
	1496	!-- Initialize old and new time levels.
[1340]	1497	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]	1498	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1499
[1960]	1500	IF ( humidity ) THEN
[1340]	1501	tq_m = 0.0_wp
[1]	1502	q_p = q
[1822]	1503	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1504	tqr_m = 0.0_wp
[1822]	1505	qr_p = qr
[1340]	1506	tnr_m = 0.0_wp
[1822]	1507	nr_p = nr
[1053]	1508	ENDIF
[1]	1509	ENDIF
[1960]	1510
	1511	IF ( passive_scalar ) THEN
	1512	ts_m = 0.0_wp
	1513	s_p = s
	1514	ENDIF
[1]	1515
[94]	1516	IF ( ocean ) THEN
[1340]	1517	tsa_m = 0.0_wp
[94]	1518	sa_p = sa
	1519	ENDIF
[667]	1520
[1402]	1521	CALL location_message( 'finished', .TRUE. )
[94]	1522
[1788]	1523	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
	1524	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1525	THEN
[1384]	1526
[1402]	1527	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1528	.FALSE. )
[1]	1529	!
[767]	1530	!-- When reading data for cyclic fill of 3D prerun data files, read
	1531	!-- some of the global variables from the restart file which are required
	1532	!-- for initializing the inflow
[328]	1533	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1534
[759]	1535	DO i = 0, io_blocks-1
	1536	IF ( i == io_group ) THEN
	1537	CALL read_parts_of_var_list
	1538	CALL close_file( 13 )
	1539	ENDIF
	1540	#if defined( __parallel )
	1541	CALL MPI_BARRIER( comm2d, ierr )
	1542	#endif
	1543	ENDDO
[328]	1544
[767]	1545	ENDIF
	1546
[151]	1547	!
[767]	1548	!-- Read binary data from restart file
	1549	DO i = 0, io_blocks-1
	1550	IF ( i == io_group ) THEN
	1551	CALL read_3d_binary
	1552	ENDIF
	1553	#if defined( __parallel )
	1554	CALL MPI_BARRIER( comm2d, ierr )
	1555	#endif
	1556	ENDDO
	1557
[328]	1558	!
[767]	1559	!-- Initialization of the turbulence recycling method
[1788]	1560	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1561	turbulent_inflow ) THEN
	1562	!
	1563	!-- First store the profiles to be used at the inflow.
	1564	!-- These profiles are the (temporally) and horizontally averaged vertical
	1565	!-- profiles from the prerun. Alternatively, prescribed profiles
	1566	!-- for u,v-components can be used.
[1960]	1567	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
[151]	1568
[767]	1569	IF ( use_prescribed_profile_data ) THEN
	1570	mean_inflow_profiles(:,1) = u_init ! u
	1571	mean_inflow_profiles(:,2) = v_init ! v
	1572	ELSE
[328]	1573	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1574	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1575	ENDIF
	1576	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1577	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1960]	1578	IF ( humidity ) &
	1579	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
	1580	IF ( passive_scalar ) &
	1581	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
[151]	1582
	1583	!
[767]	1584	!-- If necessary, adjust the horizontal flow field to the prescribed
	1585	!-- profiles
	1586	IF ( use_prescribed_profile_data ) THEN
	1587	DO i = nxlg, nxrg
[667]	1588	DO j = nysg, nyng
[328]	1589	DO k = nzb, nzt+1
[767]	1590	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1591	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1592	ENDDO
[151]	1593	ENDDO
[767]	1594	ENDDO
	1595	ENDIF
[151]	1596
	1597	!
[767]	1598	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1599	!-- conditions are used)
	1600	IF ( inflow_l ) THEN
	1601	DO j = nysg, nyng
	1602	DO k = nzb, nzt+1
	1603	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1604	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1605	w(k,j,nxlg:-1) = 0.0_wp
[767]	1606	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1607	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1960]	1608	IF ( humidity ) &
[1615]	1609	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[1960]	1610	IF ( passive_scalar ) &
	1611	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
[767]	1612	ENDDO
	1613	ENDDO
	1614	ENDIF
	1615
[151]	1616	!
[767]	1617	!-- Calculate the damping factors to be used at the inflow. For a
	1618	!-- turbulent inflow the turbulent fluctuations have to be limited
	1619	!-- vertically because otherwise the turbulent inflow layer will grow
	1620	!-- in time.
[1340]	1621	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1622	!
	1623	!-- Default: use the inversion height calculated by the prerun; if
	1624	!-- this is zero, inflow_damping_height must be explicitly
	1625	!-- specified.
[1340]	1626	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1627	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1628	ELSE
[1788]	1629	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1630	'explicitly specified because&the inversion height ', &
[767]	1631	'calculated by the prerun is zero.'
	1632	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1633	ENDIF
[151]	1634
[767]	1635	ENDIF
	1636
[1340]	1637	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1638	!
[767]	1639	!-- Default for the transition range: one tenth of the undamped
	1640	!-- layer
[1340]	1641	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1642
[767]	1643	ENDIF
[151]	1644
[767]	1645	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1646
[767]	1647	DO k = nzb, nzt+1
[151]	1648
[767]	1649	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1650	inflow_damping_factor(k) = 1.0_wp
[996]	1651	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1652	inflow_damping_factor(k) = 1.0_wp - &
[996]	1653	( zu(k) - inflow_damping_height ) / &
	1654	inflow_damping_width
[767]	1655	ELSE
[1340]	1656	inflow_damping_factor(k) = 0.0_wp
[767]	1657	ENDIF
[151]	1658
[767]	1659	ENDDO
[151]	1660
[147]	1661	ENDIF
	1662
[152]	1663	!
[359]	1664	!-- Inside buildings set velocities and TKE back to zero
[1788]	1665	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1666	topography /= 'flat' ) THEN
	1667	!
	1668	!-- Inside buildings set velocities and TKE back to zero.
	1669	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1670	!-- maybe revise later.
[1001]	1671	DO i = nxlg, nxrg
	1672	DO j = nysg, nyng
[1340]	1673	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1674	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1675	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1676	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1677	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1678	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1679	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1680	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1681	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1682	ENDDO
[1001]	1683	ENDDO
[359]	1684
	1685	ENDIF
	1686
	1687	!
[1]	1688	!-- Calculate initial temperature field and other constants used in case
	1689	!-- of a sloping surface
	1690	IF ( sloping_surface ) CALL init_slope
	1691
	1692	!
	1693	!-- Initialize new time levels (only done in order to set boundary values
	1694	!-- including ghost points)
	1695	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1960]	1696	IF ( humidity ) THEN
[1053]	1697	q_p = q
[1822]	1698	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1699	qr_p = qr
	1700	nr_p = nr
	1701	ENDIF
	1702	ENDIF
[1960]	1703	IF ( passive_scalar ) s_p = s
	1704	IF ( ocean ) sa_p = sa
[1]	1705
[181]	1706	!
	1707	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1708	!-- have to be predefined here because they are used (but multiplied with 0)
	1709	!-- there before they are set.
[1340]	1710	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]	1711	IF ( humidity ) THEN
[1340]	1712	tq_m = 0.0_wp
[1822]	1713	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1714	tqr_m = 0.0_wp
	1715	tnr_m = 0.0_wp
[1053]	1716	ENDIF
	1717	ENDIF
[1960]	1718	IF ( passive_scalar ) ts_m = 0.0_wp
	1719	IF ( ocean ) tsa_m = 0.0_wp
[181]	1720
[1402]	1721	CALL location_message( 'finished', .TRUE. )
[1384]	1722
[1]	1723	ELSE
	1724	!
	1725	!-- Actually this part of the programm should not be reached
[254]	1726	message_string = 'unknown initializing problem'
	1727	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1728	ENDIF
	1729
[151]	1730
	1731	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1732	!
[151]	1733	!-- Initialize old timelevels needed for radiation boundary conditions
	1734	IF ( outflow_l ) THEN
	1735	u_m_l(:,:,:) = u(:,:,1:2)
	1736	v_m_l(:,:,:) = v(:,:,0:1)
	1737	w_m_l(:,:,:) = w(:,:,0:1)
	1738	ENDIF
	1739	IF ( outflow_r ) THEN
	1740	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1741	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1742	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1743	ENDIF
	1744	IF ( outflow_s ) THEN
	1745	u_m_s(:,:,:) = u(:,0:1,:)
	1746	v_m_s(:,:,:) = v(:,1:2,:)
	1747	w_m_s(:,:,:) = w(:,0:1,:)
	1748	ENDIF
	1749	IF ( outflow_n ) THEN
	1750	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1751	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1752	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1753	ENDIF
[667]	1754
[151]	1755	ENDIF
[680]	1756
[667]	1757	!
	1758	!-- Calculate the initial volume flow at the right and north boundary
[709]	1759	IF ( conserve_volume_flow ) THEN
[151]	1760
[767]	1761	IF ( use_prescribed_profile_data ) THEN
[667]	1762
[1340]	1763	volume_flow_initial_l = 0.0_wp
	1764	volume_flow_area_l = 0.0_wp
[732]	1765
[667]	1766	IF ( nxr == nx ) THEN
	1767	DO j = nys, nyn
[1845]	1768	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1769	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1770	u_init(k) * dzw(k)
	1771	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1772	ENDDO
	1773	ENDDO
	1774	ENDIF
	1775
	1776	IF ( nyn == ny ) THEN
	1777	DO i = nxl, nxr
[1845]	1778	DO k = nzb_v_inner(ny,i)+1, nzt
[767]	1779	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1780	v_init(k) * dzw(k)
	1781	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1782	ENDDO
	1783	ENDDO
	1784	ENDIF
	1785
	1786	#if defined( __parallel )
	1787	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1788	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1789	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1790	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1791
	1792	#else
	1793	volume_flow_initial = volume_flow_initial_l
	1794	volume_flow_area = volume_flow_area_l
	1795	#endif
	1796
	1797	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1798
[1340]	1799	volume_flow_initial_l = 0.0_wp
	1800	volume_flow_area_l = 0.0_wp
[767]	1801
	1802	IF ( nxr == nx ) THEN
	1803	DO j = nys, nyn
[1845]	1804	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1805	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1806	hom_sum(k,1,0) * dzw(k)
	1807	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1808	ENDDO
	1809	ENDDO
	1810	ENDIF
	1811
	1812	IF ( nyn == ny ) THEN
	1813	DO i = nxl, nxr
[1845]	1814	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1815	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1816	hom_sum(k,2,0) * dzw(k)
[667]	1817	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1818	ENDDO
	1819	ENDDO
	1820	ENDIF
	1821
[732]	1822	#if defined( __parallel )
	1823	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1824	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1825	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1826	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1827
	1828	#else
	1829	volume_flow_initial = volume_flow_initial_l
	1830	volume_flow_area = volume_flow_area_l
	1831	#endif
	1832
[667]	1833	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1834
[1340]	1835	volume_flow_initial_l = 0.0_wp
	1836	volume_flow_area_l = 0.0_wp
[732]	1837
[667]	1838	IF ( nxr == nx ) THEN
	1839	DO j = nys, nyn
[1845]	1840	DO k = nzb_u_inner(j,nx)+1, nzt
[667]	1841	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1842	u(k,j,nx) * dzw(k)
[667]	1843	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1844	ENDDO
	1845	ENDDO
	1846	ENDIF
	1847
	1848	IF ( nyn == ny ) THEN
	1849	DO i = nxl, nxr
[1845]	1850	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1851	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[667]	1852	v(k,ny,i) * dzw(k)
	1853	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1854	ENDDO
	1855	ENDDO
	1856	ENDIF
	1857
	1858	#if defined( __parallel )
[732]	1859	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1860	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1861	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1862	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1863
	1864	#else
[732]	1865	volume_flow_initial = volume_flow_initial_l
	1866	volume_flow_area = volume_flow_area_l
[667]	1867	#endif
	1868
[732]	1869	ENDIF
	1870
[151]	1871	!
[709]	1872	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1873	!-- from u\|v_bulk instead
[680]	1874	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1875	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1876	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1877	ENDIF
[667]	1878
[680]	1879	ENDIF
	1880
[787]	1881	!
	1882	!-- Initialize quantities for special advections schemes
	1883	CALL init_advec
[680]	1884
[667]	1885	!
[680]	1886	!-- Impose random perturbation on the horizontal velocity field and then
	1887	!-- remove the divergences from the velocity field at the initial stage
[1788]	1888	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1889	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1890	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1891
[1402]	1892	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1893	CALL disturb_field( nzb_u_inner, tend, u )
	1894	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1895	CALL location_message( 'finished', .TRUE. )
[1384]	1896
[1402]	1897	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1898	n_sor = nsor_ini
	1899	CALL pres
	1900	n_sor = nsor
[1402]	1901	CALL location_message( 'finished', .TRUE. )
[1384]	1902
[680]	1903	ENDIF
	1904
	1905	!
[1484]	1906	!-- If required, initialize quantities needed for the plant canopy model
[2007]	1907	IF ( plant_canopy ) THEN
	1908	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1909	CALL pcm_init
	1910	CALL location_message( 'finished', .TRUE. )
	1911	ENDIF
[138]	1912
	1913	!
[1]	1914	!-- If required, initialize dvrp-software
[1340]	1915	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1916
[96]	1917	IF ( ocean ) THEN
[1]	1918	!
[96]	1919	!-- Initialize quantities needed for the ocean model
	1920	CALL init_ocean
[388]	1921
[96]	1922	ELSE
	1923	!
	1924	!-- Initialize quantities for handling cloud physics
[849]	1925	!-- This routine must be called before lpm_init, because
[96]	1926	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1927	!-- lpm_init) is not defined.
[96]	1928	CALL init_cloud_physics
[1849]	1929	!
	1930	!-- Initialize bulk cloud microphysics
	1931	CALL microphysics_init
[96]	1932	ENDIF
[1]	1933
	1934	!
	1935	!-- If required, initialize particles
[849]	1936	IF ( particle_advection ) CALL lpm_init
[1]	1937
[1585]	1938	!
	1939	!-- If required, initialize quantities needed for the LSM
	1940	IF ( land_surface ) THEN
	1941	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1942	CALL lsm_init
[1585]	1943	CALL location_message( 'finished', .TRUE. )
	1944	ENDIF
[1496]	1945
[1]	1946	!
[1691]	1947	!-- Initialize surface layer (done after LSM as roughness length are required
	1948	!-- for initialization
	1949	IF ( constant_flux_layer ) THEN
	1950	CALL location_message( 'initializing surface layer', .FALSE. )
	1951	CALL init_surface_layer_fluxes
	1952	CALL location_message( 'finished', .TRUE. )
	1953	ENDIF
	1954
	1955	!
[1496]	1956	!-- If required, initialize radiation model
	1957	IF ( radiation ) THEN
[1585]	1958	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1959	CALL radiation_init
[1585]	1960	CALL location_message( 'finished', .TRUE. )
[1496]	1961	ENDIF
[2007]	1962
[1914]	1963	!
[2007]	1964	!-- If required, initialize urban surface model
	1965	IF ( urban_surface ) THEN
	1966	CALL location_message( 'initializing urban surface model', .FALSE. )
	1967	CALL usm_init_urban_surface
	1968	CALL location_message( 'finished', .TRUE. )
	1969	ENDIF
	1970
	1971	!
[1914]	1972	!-- If required, initialize quantities needed for the wind turbine model
	1973	IF ( wind_turbine ) THEN
	1974	CALL location_message( 'initializing wind turbine model', .FALSE. )
	1975	CALL wtm_init
	1976	CALL location_message( 'finished', .TRUE. )
	1977	ENDIF
[1496]	1978
[1914]	1979
[1496]	1980	!
[673]	1981	!-- Initialize the ws-scheme.
	1982	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1983
	1984	!
[709]	1985	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	1986	!-- and turbulent quantities from the RK substeps
[709]	1987	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1988
[1322]	1989	weight_substep(1) = 1._wp/6._wp
	1990	weight_substep(2) = 3._wp/10._wp
	1991	weight_substep(3) = 8._wp/15._wp
[709]	1992
[1322]	1993	weight_pres(1) = 1._wp/3._wp
	1994	weight_pres(2) = 5._wp/12._wp
	1995	weight_pres(3) = 1._wp/4._wp
[709]	1996
	1997	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1998
[1322]	1999	weight_substep(1) = 1._wp/2._wp
	2000	weight_substep(2) = 1._wp/2._wp
[673]	2001
[1322]	2002	weight_pres(1) = 1._wp/2._wp
	2003	weight_pres(2) = 1._wp/2._wp
[709]	2004
[1001]	2005	ELSE ! for Euler-method
[709]	2006
[1340]	2007	weight_substep(1) = 1.0_wp
	2008	weight_pres(1) = 1.0_wp
[709]	2009
[673]	2010	ENDIF
	2011
	2012	!
[1]	2013	!-- Initialize Rayleigh damping factors
[1340]	2014	rdf = 0.0_wp
	2015	rdf_sc = 0.0_wp
	2016	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	2017	IF ( .NOT. ocean ) THEN
[108]	2018	DO k = nzb+1, nzt
	2019	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	2020	rdf(k) = rayleigh_damping_factor * &
[1340]	2021	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	2022	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	2023	)**2
[108]	2024	ENDIF
	2025	ENDDO
	2026	ELSE
	2027	DO k = nzt, nzb+1, -1
	2028	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	2029	rdf(k) = rayleigh_damping_factor * &
[1340]	2030	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	2031	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	2032	)**2
	2033	ENDIF
	2034	ENDDO
	2035	ENDIF
[1]	2036	ENDIF
[785]	2037	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	2038
	2039	!
[240]	2040	!-- Initialize the starting level and the vertical smoothing factor used for
	2041	!-- the external pressure gradient
[1340]	2042	dp_smooth_factor = 1.0_wp
[240]	2043	IF ( dp_external ) THEN
	2044	!
	2045	!-- Set the starting level dp_level_ind_b only if it has not been set before
	2046	!-- (e.g. in init_grid).
	2047	IF ( dp_level_ind_b == 0 ) THEN
	2048	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	2049	dp_level_ind_b = ind_array(1) - 1 + nzb
	2050	! MINLOC uses lower array bound 1
	2051	ENDIF
	2052	IF ( dp_smooth ) THEN
[1340]	2053	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	2054	DO k = dp_level_ind_b+1, nzt
[1340]	2055	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	2056	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	2057	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	2058	ENDDO
	2059	ENDIF
	2060	ENDIF
	2061
	2062	!
[978]	2063	!-- Initialize damping zone for the potential temperature in case of
	2064	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	2065	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	2066	ptdf_x = 0.0_wp
	2067	ptdf_y = 0.0_wp
[1159]	2068	IF ( bc_lr_dirrad ) THEN
[996]	2069	DO i = nxl, nxr
[978]	2070	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	2071	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	2072	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	2073	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	2074	ENDIF
	2075	ENDDO
[1159]	2076	ELSEIF ( bc_lr_raddir ) THEN
[996]	2077	DO i = nxl, nxr
[978]	2078	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	2079	ptdf_x(i) = pt_damping_factor * &
[1340]	2080	SIN( pi * 0.5_wp * &
	2081	( ( i - nx ) * dx + pt_damping_width ) / &
	2082	REAL( pt_damping_width, KIND=wp ) )**2
[73]	2083	ENDIF
[978]	2084	ENDDO
[1159]	2085	ELSEIF ( bc_ns_dirrad ) THEN
[996]	2086	DO j = nys, nyn
[978]	2087	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	2088	ptdf_y(j) = pt_damping_factor * &
[1340]	2089	SIN( pi * 0.5_wp * &
	2090	( ( j - ny ) * dy + pt_damping_width ) / &
	2091	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2092	ENDIF
[978]	2093	ENDDO
[1159]	2094	ELSEIF ( bc_ns_raddir ) THEN
[996]	2095	DO j = nys, nyn
[978]	2096	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	2097	ptdf_y(j) = pt_damping_factor * &
[1340]	2098	SIN( pi * 0.5_wp * &
	2099	( pt_damping_width - j * dy ) / &
	2100	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2101	ENDIF
[73]	2102	ENDDO
[1]	2103	ENDIF
	2104
	2105	!
	2106	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	2107	!-- Ghost points are excluded because counting values at the ghost boundaries
	2108	!-- would bias the statistics
[1340]	2109	rmask = 1.0_wp
	2110	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	2111	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	2112
	2113	!
[51]	2114	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	2115	!-- of allowed timeseries is exceeded
[1]	2116	CALL user_init
	2117
[51]	2118	IF ( dots_num > dots_max ) THEN
[1788]	2119	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	2120	' its maximum of dots_max = ', dots_max, &
[254]	2121	' &Please increase dots_max in modules.f90.'
	2122	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	2123	ENDIF
	2124
[1]	2125	!
	2126	!-- Input binary data file is not needed anymore. This line must be placed
	2127	!-- after call of user_init!
	2128	CALL close_file( 13 )
	2129
	2130	!
	2131	!-- Compute total sum of active mask grid points
[1738]	2132	!-- and the mean surface level height for each statistic region
[1]	2133	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	2134	!-- total domain
	2135	!-- ngp_3d: number of grid points of the total domain
[132]	2136	ngp_2dh_outer_l = 0
	2137	ngp_2dh_outer = 0
	2138	ngp_2dh_s_inner_l = 0
	2139	ngp_2dh_s_inner = 0
	2140	ngp_2dh_l = 0
	2141	ngp_2dh = 0
[1340]	2142	ngp_3d_inner_l = 0.0_wp
[132]	2143	ngp_3d_inner = 0
	2144	ngp_3d = 0
	2145	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	2146
[1738]	2147	mean_surface_level_height = 0.0_wp
	2148	mean_surface_level_height_l = 0.0_wp
	2149
[1]	2150	DO sr = 0, statistic_regions
	2151	DO i = nxl, nxr
	2152	DO j = nys, nyn
[1340]	2153	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	2154	!
	2155	!-- All xy-grid points
	2156	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
[1788]	2157	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
	2158	+ zw(nzb_s_inner(j,i))
[1]	2159	!
	2160	!-- xy-grid points above topography
	2161	DO k = nzb_s_outer(j,i), nz + 1
	2162	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	2163	ENDDO
[132]	2164	DO k = nzb_s_inner(j,i), nz + 1
	2165	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	2166	ENDDO
[1]	2167	!
	2168	!-- All grid points of the total domain above topography
[1788]	2169	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
	2170	+ ( nz - nzb_s_inner(j,i) + 2 )
[1]	2171	ENDIF
	2172	ENDDO
	2173	ENDDO
	2174	ENDDO
	2175
	2176	sr = statistic_regions + 1
	2177	#if defined( __parallel )
[622]	2178	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2179	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	2180	comm2d, ierr )
[622]	2181	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2182	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	2183	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2184	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2185	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	2186	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2187	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2188	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	2189	MPI_SUM, comm2d, ierr )
[485]	2190	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2191	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2192	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	2193	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	2194	MPI_SUM, comm2d, ierr )
	2195	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	2196	#else
[132]	2197	ngp_2dh = ngp_2dh_l
	2198	ngp_2dh_outer = ngp_2dh_outer_l
	2199	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	2200	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2201	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	2202	#endif
	2203
[560]	2204	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	2205	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	2206
	2207	!
	2208	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	2209	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	2210	!-- the respective subdomain lie below the surface topography
[667]	2211	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	2212	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	2213	ngp_3d_inner(:) )
[667]	2214	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	2215
[1788]	2216	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	2217	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	2218
[1402]	2219	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	2220
	2221	END SUBROUTINE init_3d_model

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