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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2143

Last change on this file since 2143 was 2119, checked in by raasch, 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	!
[2119]	23	!
[1961]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 2119 2017-01-17 16:51:50Z knoop $
	27	!
[2119]	28	! 2118 2017-01-17 16:38:49Z raasch
	29	! OpenACC directives removed
	30	!
[2038]	31	! 2037 2016-10-26 11:15:40Z knoop
	32	! Anelastic approximation implemented
	33	!
[2032]	34	! 2031 2016-10-21 15:11:58Z knoop
	35	! renamed variable rho to rho_ocean
	36	!
[2012]	37	! 2011 2016-09-19 17:29:57Z kanani
	38	! Flag urban_surface is now defined in module control_parameters.
	39	!
[2008]	40	! 2007 2016-08-24 15:47:17Z kanani
	41	! Added support for urban surface model,
	42	! adjusted location_message in case of plant_canopy
	43	!
[2001]	44	! 2000 2016-08-20 18:09:15Z knoop
	45	! Forced header and separation lines into 80 columns
	46	!
[1993]	47	! 1992 2016-08-12 15:14:59Z suehring
	48	! Initializaton of scalarflux at model top
	49	! Bugfixes in initialization of surface and top salinity flux, top scalar and
	50	! humidity fluxes
	51	!
[1961]	52	! 1960 2016-07-12 16:34:24Z suehring
[1960]	53	! Separate humidity and passive scalar
	54	! Increase dimension for mean_inflow_profiles
	55	! Remove inadvertent write-statement
	56	! Bugfix, large-scale forcing is still not implemented for passive scalars
[1919]	57	!
[1958]	58	! 1957 2016-07-07 10:43:48Z suehring
	59	! flight module added
	60	!
[1921]	61	! 1920 2016-05-30 10:50:15Z suehring
	62	! Initialize us with very small number to avoid segmentation fault during
	63	! calculation of Obukhov length
	64	!
[1919]	65	! 1918 2016-05-27 14:35:57Z raasch
	66	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	67	! bugfix: initialization of local sum arrays are moved to the beginning of the
	68	! routine because otherwise results from pres are overwritten
	69	!
[1917]	70	! 1914 2016-05-26 14:44:07Z witha
	71	! Added initialization of the wind turbine model
	72	!
[1879]	73	! 1878 2016-04-19 12:30:36Z hellstea
	74	! The zeroth element of weight_pres removed as unnecessary
	75	!
[1851]	76	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	77	! Adapted for modularization of microphysics.
	78	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	79	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	80	! microphysics_init.
	81	!
[1846]	82	! 1845 2016-04-08 08:29:13Z raasch
	83	! nzb_2d replaced by nzb_u\|v_inner
[1914]	84	!
[1834]	85	! 1833 2016-04-07 14:23:03Z raasch
	86	! initialization of spectra quantities moved to spectra_mod
	87	!
[1832]	88	! 1831 2016-04-07 13:15:51Z hoffmann
	89	! turbulence renamed collision_turbulence
	90	!
[1827]	91	! 1826 2016-04-07 12:01:39Z maronga
	92	! Renamed radiation calls.
	93	! Renamed canopy model calls.
	94	!
[1823]	95	! 1822 2016-04-07 07:49:42Z hoffmann
	96	! icloud_scheme replaced by microphysics_*
[1914]	97	!
[1818]	98	! 1817 2016-04-06 15:44:20Z maronga
	99	! Renamed lsm calls.
	100	!
[1816]	101	! 1815 2016-04-06 13:49:59Z raasch
	102	! zero-settings for velocities inside topography re-activated (was deactivated
	103	! in r1762)
	104	!
[1789]	105	! 1788 2016-03-10 11:01:04Z maronga
	106	! Added z0q.
	107	! Syntax layout improved.
	108	!
[1784]	109	! 1783 2016-03-06 18:36:17Z raasch
	110	! netcdf module name changed + related changes
	111	!
[1765]	112	! 1764 2016-02-28 12:45:19Z raasch
	113	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	114	!
[1763]	115	! 1762 2016-02-25 12:31:13Z hellstea
	116	! Introduction of nested domain feature
	117	!
[1739]	118	! 1738 2015-12-18 13:56:05Z raasch
	119	! calculate mean surface level height for each statistic region
	120	!
[1735]	121	! 1734 2015-12-02 12:17:12Z raasch
	122	! no initial disturbances in case that the disturbance energy limit has been
	123	! set zero
	124	!
[1708]	125	! 1707 2015-11-02 15:24:52Z maronga
	126	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	127	! devision by zero in neutral stratification
	128	!
[1692]	129	! 1691 2015-10-26 16:17:44Z maronga
	130	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	131	!
[1683]	132	! 1682 2015-10-07 23:56:08Z knoop
	133	! Code annotations made doxygen readable
	134	!
[1616]	135	! 1615 2015-07-08 18:49:19Z suehring
	136	! Enable turbulent inflow for passive_scalar and humidity
	137	!
[1586]	138	! 1585 2015-04-30 07:05:52Z maronga
	139	! Initialization of radiation code is now done after LSM initializtion
	140	!
[1576]	141	! 1575 2015-03-27 09:56:27Z raasch
	142	! adjustments for psolver-queries
	143	!
[1552]	144	! 1551 2015-03-03 14:18:16Z maronga
[1817]	145	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	146	! which is part of land_surface_model.
	147	!
[1508]	148	! 1507 2014-12-10 12:14:18Z suehring
	149	! Bugfix: set horizontal velocity components to zero inside topography
	150	!
[1497]	151	! 1496 2014-12-02 17:25:50Z maronga
	152	! Added initialization of the land surface and radiation schemes
	153	!
[1485]	154	! 1484 2014-10-21 10:53:05Z kanani
[1484]	155	! Changes due to new module structure of the plant canopy model:
[1508]	156	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	157	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	158	! call of subroutine init_plant_canopy added.
[1341]	159	!
[1432]	160	! 1431 2014-07-15 14:47:17Z suehring
	161	! var_d added, in order to normalize spectra.
	162	!
[1430]	163	! 1429 2014-07-15 12:53:45Z knoop
	164	! Ensemble run capability added to parallel random number generator
	165	!
[1412]	166	! 1411 2014-05-16 18:01:51Z suehring
	167	! Initial horizontal velocity profiles were not set to zero at the first vertical
	168	! grid level in case of non-cyclic lateral boundary conditions.
	169	!
[1407]	170	! 1406 2014-05-16 13:47:01Z raasch
	171	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	172	! no-slip boundary condition for uv
	173	!
[1403]	174	! 1402 2014-05-09 14:25:13Z raasch
	175	! location messages modified
	176	!
[1401]	177	! 1400 2014-05-09 14:03:54Z knoop
	178	! Parallel random number generator added
	179	!
[1385]	180	! 1384 2014-05-02 14:31:06Z raasch
	181	! location messages added
	182	!
[1362]	183	! 1361 2014-04-16 15:17:48Z hoffmann
	184	! tend_* removed
	185	! Bugfix: w_subs is not allocated anymore if it is already allocated
	186	!
[1360]	187	! 1359 2014-04-11 17:15:14Z hoffmann
	188	! module lpm_init_mod added to use statements, because lpm_init has become a
	189	! module
	190	!
[1354]	191	! 1353 2014-04-08 15:21:23Z heinze
	192	! REAL constants provided with KIND-attribute
	193	!
[1341]	194	! 1340 2014-03-25 19:45:13Z kanani
	195	! REAL constants defined as wp-kind
	196	!
[1323]	197	! 1322 2014-03-20 16:38:49Z raasch
	198	! REAL constants defined as wp-kind
	199	! module interfaces removed
	200	!
[1321]	201	! 1320 2014-03-20 08:40:49Z raasch
	202	! ONLY-attribute added to USE-statements,
	203	! kind-parameters added to all INTEGER and REAL declaration statements,
	204	! kinds are defined in new module kinds,
	205	! revision history before 2012 removed,
	206	! comment fields (!:) to be used for variable explanations added to
	207	! all variable declaration statements
	208	!
[1317]	209	! 1316 2014-03-17 07:44:59Z heinze
	210	! Bugfix: allocation of w_subs
	211	!
[1300]	212	! 1299 2014-03-06 13:15:21Z heinze
	213	! Allocate w_subs due to extension of large scale subsidence in combination
	214	! with large scale forcing data (LSF_DATA)
	215	!
[1242]	216	! 1241 2013-10-30 11:36:58Z heinze
	217	! Overwrite initial profiles in case of nudging
	218	! Inititialize shf and qsws in case of large_scale_forcing
	219	!
[1222]	220	! 1221 2013-09-10 08:59:13Z raasch
	221	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	222	! copy
	223	!
[1213]	224	! 1212 2013-08-15 08:46:27Z raasch
	225	! array tri is allocated and included in data copy statement
	226	!
[1196]	227	! 1195 2013-07-01 12:27:57Z heinze
	228	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	229	!
[1182]	230	! 1179 2013-06-14 05:57:58Z raasch
	231	! allocate and set ref_state to be used in buoyancy terms
	232	!
[1172]	233	! 1171 2013-05-30 11:27:45Z raasch
	234	! diss array is allocated with full size if accelerator boards are used
	235	!
[1160]	236	! 1159 2013-05-21 11:58:22Z fricke
	237	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	238	!
[1154]	239	! 1153 2013-05-10 14:33:08Z raasch
	240	! diss array is allocated with dummy elements even if it is not needed
[1171]	241	! (required by PGI 13.4 / CUDA 5.0)
[1154]	242	!
[1116]	243	! 1115 2013-03-26 18:16:16Z hoffmann
	244	! unused variables removed
	245	!
[1114]	246	! 1113 2013-03-10 02:48:14Z raasch
	247	! openACC directive modified
	248	!
[1112]	249	! 1111 2013-03-08 23:54:10Z raasch
	250	! openACC directives added for pres
	251	! array diss allocated only if required
	252	!
[1093]	253	! 1092 2013-02-02 11:24:22Z raasch
	254	! unused variables removed
	255	!
[1066]	256	! 1065 2012-11-22 17:42:36Z hoffmann
	257	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	258	!
[1054]	259	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	260	! allocation and initialisation of necessary data arrays for the two-moment
	261	! cloud physics scheme the two new prognostic equations (nr, qr):
	262	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	263	! +tend_*, prr
[979]	264	!
[1037]	265	! 1036 2012-10-22 13:43:42Z raasch
	266	! code put under GPL (PALM 3.9)
	267	!
[1033]	268	! 1032 2012-10-21 13:03:21Z letzel
	269	! save memory by not allocating pt_2 in case of neutral = .T.
	270	!
[1026]	271	! 1025 2012-10-07 16:04:41Z letzel
	272	! bugfix: swap indices of mask for ghost boundaries
	273	!
[1017]	274	! 1015 2012-09-27 09:23:24Z raasch
	275	! mask is set to zero for ghost boundaries
	276	!
[1011]	277	! 1010 2012-09-20 07:59:54Z raasch
	278	! cpp switch __nopointer added for pointer free version
	279	!
[1004]	280	! 1003 2012-09-14 14:35:53Z raasch
	281	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	282	!
[1002]	283	! 1001 2012-09-13 14:08:46Z raasch
	284	! all actions concerning leapfrog scheme removed
	285	!
[997]	286	! 996 2012-09-07 10:41:47Z raasch
	287	! little reformatting
	288	!
[979]	289	! 978 2012-08-09 08:28:32Z fricke
[978]	290	! outflow damping layer removed
	291	! roughness length for scalar quantites z0h added
	292	! damping zone for the potential temperatur in case of non-cyclic lateral
	293	! boundaries added
	294	! initialization of ptdf_x, ptdf_y
	295	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	296	!
[850]	297	! 849 2012-03-15 10:35:09Z raasch
	298	! init_particles renamed lpm_init
	299	!
[826]	300	! 825 2012-02-19 03:03:44Z raasch
	301	! wang_collision_kernel renamed wang_kernel
	302	!
[1]	303	! Revision 1.1 1998/03/09 16:22:22 raasch
	304	! Initial revision
	305	!
	306	!
	307	! Description:
	308	! ------------
[1682]	309	!> Allocation of arrays and initialization of the 3D model via
	310	!> a) pre-run the 1D model
	311	!> or
	312	!> b) pre-set constant linear profiles
	313	!> or
	314	!> c) read values of a previous run
[1]	315	!------------------------------------------------------------------------------!
[1682]	316	SUBROUTINE init_3d_model
	317
[1]	318
[667]	319	USE advec_ws
[1320]	320
[1]	321	USE arrays_3d
[1849]	322
[2037]	323	USE cloud_parameters, &
	324	ONLY: cp, l_v, r_d
	325
[1320]	326	USE constants, &
	327	ONLY: pi
	328
[1]	329	USE control_parameters
[1320]	330
[1957]	331	USE flight_mod, &
	332	ONLY: flight_init
	333
[1320]	334	USE grid_variables, &
[2037]	335	ONLY: dx, dy, ddx2_mg, ddy2_mg
[1320]	336
[1]	337	USE indices
[1359]	338
[1429]	339	USE lpm_init_mod, &
[1359]	340	ONLY: lpm_init
[1320]	341
	342	USE kinds
[1496]	343
	344	USE land_surface_model_mod, &
[1817]	345	ONLY: lsm_init, lsm_init_arrays, land_surface
[1496]	346
[1241]	347	USE ls_forcing_mod
[1849]	348
	349	USE microphysics_mod, &
	350	ONLY: collision_turbulence, microphysics_init
	351
[1320]	352	USE model_1d, &
	353	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	354
[1783]	355	USE netcdf_interface, &
	356	ONLY: dots_max, dots_num
[1320]	357
	358	USE particle_attributes, &
	359	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	360
[1]	361	USE pegrid
[1320]	362
[1484]	363	USE plant_canopy_model_mod, &
[1826]	364	ONLY: pcm_init, plant_canopy
[1496]	365
	366	USE radiation_model_mod, &
[1826]	367	ONLY: radiation_init, radiation
[1484]	368
[1320]	369	USE random_function_mod
	370
[1400]	371	USE random_generator_parallel, &
	372	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	373	id_random_array, seq_random_array
	374
[1320]	375	USE statistics, &
[1738]	376	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	377	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	378	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	379	weight_pres, weight_substep
[1691]	380
	381	USE surface_layer_fluxes_mod, &
	382	ONLY: init_surface_layer_fluxes
	383
[2007]	384	USE transpose_indices
[1]	385
[2007]	386	USE urban_surface_mod, &
[2011]	387	ONLY: usm_init_urban_surface
[2007]	388
[1914]	389	USE wind_turbine_model_mod, &
	390	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	391
[1]	392	IMPLICIT NONE
	393
[1682]	394	INTEGER(iwp) :: i !<
	395	INTEGER(iwp) :: ind_array(1) !<
	396	INTEGER(iwp) :: j !<
	397	INTEGER(iwp) :: k !<
	398	INTEGER(iwp) :: sr !<
[1]	399
[1682]	400	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	401
[1682]	402	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	403	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	404
[2037]	405	REAL(wp) :: t_surface !< air temperature at the surface
	406
	407	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
	408
	409	INTEGER(iwp) :: l !< loop variable
	410	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
	411	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
	412	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
	413
[1764]	414	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	415	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	416
[1738]	417	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	418	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	419	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	420
[485]	421
[1402]	422	CALL location_message( 'allocating arrays', .FALSE. )
[1]	423	!
	424	!-- Allocate arrays
[1788]	425	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	426	mean_surface_level_height_l(0:statistic_regions), &
	427	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	428	ngp_3d(0:statistic_regions), &
	429	ngp_3d_inner(0:statistic_regions), &
	430	ngp_3d_inner_l(0:statistic_regions), &
	431	ngp_3d_inner_tmp(0:statistic_regions), &
	432	sums_divnew_l(0:statistic_regions), &
[1]	433	sums_divold_l(0:statistic_regions) )
[1195]	434	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	435	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	436	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	437	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	438	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	439	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	440	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	441	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	442	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	443	sums_up_fraction_l(10,3,0:statistic_regions), &
	444	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	445	ts_value(dots_max,0:statistic_regions) )
[978]	446	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	447
[1788]	448	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	449	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	450	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	451	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	452	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
	453	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
[1]	454
[1788]	455	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	456	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	457	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	458	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	459	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	460
	461	#if defined( __nopointer )
[1788]	462	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	463	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	464	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	465	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	466	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	467	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	468	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	474	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	475	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	476	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	477	#else
[1788]	478	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	479	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	480	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	481	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	482	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	483	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	484	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	485	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	486	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	487	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	488	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	489	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	490	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	491	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	492	IF ( .NOT. neutral ) THEN
[1032]	493	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	494	ENDIF
[1010]	495	#endif
	496
[673]	497	!
[707]	498	!-- Following array is required for perturbation pressure within the iterative
	499	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	500	!-- the weighted average of the substeps and cannot be used in the Poisson
	501	!-- solver.
	502	IF ( psolver == 'sor' ) THEN
	503	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	504	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	505	!
	506	!-- For performance reasons, multigrid is using one ghost layer only
	507	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	508	ENDIF
[1]	509
[1111]	510	!
	511	!-- Array for storing constant coeffficients of the tridiagonal solver
	512	IF ( psolver == 'poisfft' ) THEN
[1212]	513	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	514	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	515	ENDIF
	516
[1960]	517	IF ( humidity ) THEN
[1]	518	!
[1960]	519	!-- 2D-humidity
[1788]	520	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	521	qsws(nysg:nyng,nxlg:nxrg), &
[1001]	522	qswst(nysg:nyng,nxlg:nxrg) )
[1]	523
	524	!
[1960]	525	!-- 3D-humidity
[1010]	526	#if defined( __nopointer )
[1788]	527	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	528	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	529	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	530	#else
[1788]	531	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	532	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	533	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	534	#endif
[1]	535
	536	!
[1960]	537	!-- 3D-arrays needed for humidity
[75]	538	IF ( humidity ) THEN
[1010]	539	#if defined( __nopointer )
	540	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	541	#else
[667]	542	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	543	#endif
[1]	544
[1788]	545	IF ( cloud_physics ) THEN
[1053]	546
[1]	547	!
	548	!-- Liquid water content
[1010]	549	#if defined( __nopointer )
	550	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	551	#else
[667]	552	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	553	#endif
[72]	554	!
	555	!-- Precipitation amount and rate (only needed if output is switched)
[1788]	556	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
[667]	557	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	558
	559	!
[1822]	560	!-- 3D-cloud water content
[1053]	561	#if defined( __nopointer )
[1822]	562	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	563	#else
[1822]	564	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	565	#endif
[1822]	566	!
	567	!-- 3d-precipitation rate
	568	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	569
[1822]	570	IF ( microphysics_seifert ) THEN
[1053]	571	!
[1822]	572	!-- 2D-rain water content and rain drop concentration arrays
	573	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	574	qrsws(nysg:nyng,nxlg:nxrg), &
	575	qrswst(nysg:nyng,nxlg:nxrg), &
	576	nrs(nysg:nyng,nxlg:nxrg), &
	577	nrsws(nysg:nyng,nxlg:nxrg), &
	578	nrswst(nysg:nyng,nxlg:nxrg) )
[1115]	579	!
[1822]	580	!-- 3D-rain water content, rain drop concentration arrays
[1115]	581	#if defined( __nopointer )
[1822]	582	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	583	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	584	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	585	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	586	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	587	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	588	#else
[1822]	589	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	590	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	591	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	592	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	593	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	594	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	595	#endif
[1822]	596	ENDIF
[1053]	597
[1]	598	ENDIF
	599
	600	IF ( cloud_droplets ) THEN
	601	!
[1010]	602	!-- Liquid water content, change in liquid water content
	603	#if defined( __nopointer )
[1788]	604	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	605	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	606	#else
[1788]	607	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	608	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	609	#endif
	610	!
	611	!-- Real volume of particles (with weighting), volume of particles
[1788]	612	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	613	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	614	ENDIF
	615
	616	ENDIF
	617
	618	ENDIF
[1960]	619
	620
	621	IF ( passive_scalar ) THEN
	622	!
	623	!-- 2D-scalar arrays
	624	ALLOCATE ( ss(nysg:nyng,nxlg:nxrg), &
	625	ssws(nysg:nyng,nxlg:nxrg), &
	626	sswst(nysg:nyng,nxlg:nxrg) )
[1]	627
[1960]	628	!
	629	!-- 3D scalar arrays
	630	#if defined( __nopointer )
	631	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	632	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	633	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	634	#else
	635	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	636	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	637	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	638	#endif
	639	ENDIF
	640
[94]	641	IF ( ocean ) THEN
[1788]	642	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
[1001]	643	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	644	#if defined( __nopointer )
[1788]	645	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[2031]	646	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1788]	647	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	648	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	649	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	650	#else
[1788]	651	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	652	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	653	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	654	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	655	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	656	prho => prho_1
[2031]	657	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
[388]	658	! density to be apointer
[1010]	659	#endif
[108]	660	IF ( humidity_remote ) THEN
[667]	661	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	662	qswst_remote = 0.0_wp
[108]	663	ENDIF
[94]	664	ENDIF
	665
[1]	666	!
[2037]	667	!-- Allocation of anelastic and Boussinesq approximation specific arrays
	668	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
	669	ALLOCATE( rho_air(nzb:nzt+1) )
	670	ALLOCATE( rho_air_zw(nzb:nzt+1) )
	671	ALLOCATE( drho_air(nzb:nzt+1) )
	672	ALLOCATE( drho_air_zw(nzb:nzt+1) )
	673
	674	!
	675	!-- Density profile calculation for anelastic approximation
	676	IF ( TRIM( approximation ) == 'anelastic' ) THEN
	677	t_surface = pt_surface * ( surface_pressure / 1000.0_wp )**( r_d / cp )
	678	DO k = nzb, nzt+1
	679	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
	680	( 1 - ( g * zu(k) ) / ( cp * t_surface ) &
	681	)**( cp / r_d )
	682	rho_air(k) = ( p_hydrostatic(k) * &
	683	( 100000.0_wp / p_hydrostatic(k) &
	684	)**( r_d / cp ) &
	685	) / ( r_d * pt_init(k) )
	686	ENDDO
	687	DO k = nzb, nzt
	688	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	689	ENDDO
	690	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	691	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
	692	ELSE
	693	rho_air = 1.0_wp
	694	rho_air_zw = 1.0_wp
	695	ENDIF
	696
	697	!-- compute the inverse density array in order to avoid expencive divisions
	698	drho_air = 1.0_wp / rho_air
	699	drho_air_zw = 1.0_wp / rho_air_zw
	700
	701	!
	702	!-- Allocation of flux conversion arrays
	703	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
	704	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
	705	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
	706	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
	707	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
	708	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
	709
	710	!
	711	!-- calculate flux conversion factors according to approximation and in-/output mode
	712	DO k = nzb, nzt+1
	713
	714	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
	715	heatflux_input_conversion(k) = rho_air_zw(k)
	716	waterflux_input_conversion(k) = rho_air_zw(k)
	717	momentumflux_input_conversion(k) = rho_air_zw(k)
	718	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
	719	heatflux_input_conversion(k) = 1.0_wp / cp
	720	waterflux_input_conversion(k) = 1.0_wp / l_v
	721	momentumflux_input_conversion(k) = 1.0_wp
	722	ENDIF
	723
	724	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
	725	heatflux_output_conversion(k) = drho_air_zw(k)
	726	waterflux_output_conversion(k) = drho_air_zw(k)
	727	momentumflux_output_conversion(k) = drho_air_zw(k)
	728	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
	729	heatflux_output_conversion(k) = cp
	730	waterflux_output_conversion(k) = l_v
	731	momentumflux_output_conversion(k) = 1.0_wp
	732	ENDIF
	733
	734	IF ( .NOT. humidity ) THEN
	735	waterflux_input_conversion(k) = 1.0_wp
	736	waterflux_output_conversion(k) = 1.0_wp
	737	ENDIF
	738
	739	ENDDO
	740
	741	!
	742	!-- In case of multigrid method, compute grid lengths and grid factors for the
	743	!-- grid levels with respective density on each grid
	744	IF ( psolver(1:9) == 'multigrid' ) THEN
	745
	746	ALLOCATE( ddx2_mg(maximum_grid_level) )
	747	ALLOCATE( ddy2_mg(maximum_grid_level) )
	748	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
	749	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
	750	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
	751	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
	752	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
	753	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
	754	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
	755
	756	dzu_mg(:,maximum_grid_level) = dzu
	757	rho_air_mg(:,maximum_grid_level) = rho_air
	758	!
	759	!-- Next line to ensure an equally spaced grid.
	760	dzu_mg(1,maximum_grid_level) = dzu(2)
	761	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
	762	(rho_air(nzb) - rho_air(nzb+1))
	763
	764	dzw_mg(:,maximum_grid_level) = dzw
	765	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
	766	nzt_l = nzt
	767	DO l = maximum_grid_level-1, 1, -1
	768	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
	769	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
	770	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
	771	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))
	772	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
	773	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
	774	nzt_l = nzt_l / 2
	775	DO k = 2, nzt_l+1
	776	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
	777	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
	778	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
	779	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
	780	ENDDO
	781	ENDDO
	782
	783	nzt_l = nzt
	784	dx_l = dx
	785	dy_l = dy
	786	DO l = maximum_grid_level, 1, -1
	787	ddx2_mg(l) = 1.0_wp / dx_l**2
	788	ddy2_mg(l) = 1.0_wp / dy_l**2
	789	DO k = nzb+1, nzt_l
	790	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
	791	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
	792	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
	793	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
	794	ENDDO
	795	nzt_l = nzt_l / 2
	796	dx_l = dx_l * 2.0_wp
	797	dy_l = dy_l * 2.0_wp
	798	ENDDO
	799
	800	ENDIF
	801
	802	!
[1]	803	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	804	!-- particle velocities
[2118]	805	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence )&
	806	THEN
[1153]	807	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	808	ENDIF
	809
	810	!
[1299]	811	!-- 1D-array for large scale subsidence velocity
[1361]	812	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	813	ALLOCATE ( w_subs(nzb:nzt+1) )
	814	w_subs = 0.0_wp
	815	ENDIF
[1299]	816
	817	!
[1400]	818	!-- ID-array and state-space-array for the parallel random number generator
	819	IF ( random_generator == 'random-parallel' ) THEN
	820	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	821	ALLOCATE ( id_random_array(0:ny,0:nx) )
	822	seq_random_array = 0
	823	id_random_array = 0
	824	ENDIF
	825
	826	!
[51]	827	!-- 4D-array for storing the Rif-values at vertical walls
	828	IF ( topography /= 'flat' ) THEN
[667]	829	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	830	rif_wall = 0.0_wp
[51]	831	ENDIF
	832
	833	!
[106]	834	!-- Arrays to store velocity data from t-dt and the phase speeds which
	835	!-- are needed for radiation boundary conditions
[73]	836	IF ( outflow_l ) THEN
[1788]	837	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	838	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	839	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	840	ENDIF
	841	IF ( outflow_r ) THEN
[1788]	842	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	843	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	844	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	845	ENDIF
[106]	846	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	847	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	848	c_w(nzb:nzt+1,nysg:nyng) )
[106]	849	ENDIF
[73]	850	IF ( outflow_s ) THEN
[1788]	851	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	852	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	853	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	854	ENDIF
	855	IF ( outflow_n ) THEN
[1788]	856	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	857	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	858	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	859	ENDIF
[106]	860	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	861	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	862	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	863	ENDIF
[996]	864	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	865	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	866	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	867	ENDIF
[73]	868
[978]	869
[1010]	870	#if ! defined( __nopointer )
[73]	871	!
[1]	872	!-- Initial assignment of the pointers
[1001]	873	e => e_1; e_p => e_2; te_m => e_3
[1032]	874	IF ( .NOT. neutral ) THEN
	875	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	876	ELSE
	877	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	878	ENDIF
[1001]	879	u => u_1; u_p => u_2; tu_m => u_3
	880	v => v_1; v_p => v_2; tv_m => v_3
	881	w => w_1; w_p => w_2; tw_m => w_3
[1]	882
[1960]	883	IF ( humidity ) THEN
[1001]	884	q => q_1; q_p => q_2; tq_m => q_3
[1053]	885	IF ( humidity ) THEN
	886	vpt => vpt_1
	887	IF ( cloud_physics ) THEN
	888	ql => ql_1
[1822]	889	qc => qc_1
	890	IF ( microphysics_seifert ) THEN
	891	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	892	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	893	ENDIF
	894	ENDIF
	895	ENDIF
[1001]	896	IF ( cloud_droplets ) THEN
	897	ql => ql_1
	898	ql_c => ql_2
[1]	899	ENDIF
[1001]	900	ENDIF
[1960]	901
	902	IF ( passive_scalar ) THEN
	903	s => s_1; s_p => s_2; ts_m => s_3
	904	ENDIF
[1]	905
[1001]	906	IF ( ocean ) THEN
	907	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	908	ENDIF
[1010]	909	#endif
[1]	910
	911	!
[1551]	912	!-- Allocate land surface model arrays
	913	IF ( land_surface ) THEN
[1817]	914	CALL lsm_init_arrays
[1551]	915	ENDIF
	916
	917	!
[1914]	918	!-- Allocate wind turbine model arrays
	919	IF ( wind_turbine ) THEN
	920	CALL wtm_init_arrays
	921	ENDIF
[1957]	922
	923	!
	924	!-- Initialize virtual flight measurements
	925	IF ( virtual_flight ) THEN
	926	CALL flight_init
	927	ENDIF
[1914]	928
	929	!
[709]	930	!-- Allocate arrays containing the RK coefficient for calculation of
	931	!-- perturbation pressure and turbulent fluxes. At this point values are
	932	!-- set for pressure calculation during initialization (where no timestep
	933	!-- is done). Further below the values needed within the timestep scheme
	934	!-- will be set.
[1788]	935	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	936	weight_pres(1:intermediate_timestep_count_max) )
[1340]	937	weight_substep = 1.0_wp
	938	weight_pres = 1.0_wp
[1918]	939	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	940
[1402]	941	CALL location_message( 'finished', .TRUE. )
[1918]	942
[673]	943	!
[1918]	944	!-- Initialize local summation arrays for routine flow_statistics.
	945	!-- This is necessary because they may not yet have been initialized when they
	946	!-- are called from flow_statistics (or - depending on the chosen model run -
	947	!-- are never initialized)
	948	sums_divnew_l = 0.0_wp
	949	sums_divold_l = 0.0_wp
	950	sums_l_l = 0.0_wp
	951	sums_up_fraction_l = 0.0_wp
	952	sums_wsts_bc_l = 0.0_wp
	953
	954
	955	!
[1]	956	!-- Initialize model variables
[1788]	957	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	958	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	959	!
	960	!-- First model run of a possible job queue.
	961	!-- Initial profiles of the variables must be computes.
	962	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	963
[1402]	964	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	965	!
	966	!-- Use solutions of the 1D model as initial profiles,
	967	!-- start 1D model
	968	CALL init_1d_model
	969	!
	970	!-- Transfer initial profiles to the arrays of the 3D model
[667]	971	DO i = nxlg, nxrg
	972	DO j = nysg, nyng
[1]	973	e(:,j,i) = e1d
	974	kh(:,j,i) = kh1d
	975	km(:,j,i) = km1d
	976	pt(:,j,i) = pt_init
	977	u(:,j,i) = u1d
	978	v(:,j,i) = v1d
	979	ENDDO
	980	ENDDO
	981
[1960]	982	IF ( humidity ) THEN
[667]	983	DO i = nxlg, nxrg
	984	DO j = nysg, nyng
[1]	985	q(:,j,i) = q_init
	986	ENDDO
	987	ENDDO
[1822]	988	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	989	DO i = nxlg, nxrg
	990	DO j = nysg, nyng
[1340]	991	qr(:,j,i) = 0.0_wp
	992	nr(:,j,i) = 0.0_wp
[1053]	993	ENDDO
	994	ENDDO
[1115]	995
[1053]	996	ENDIF
[1]	997	ENDIF
[1960]	998	IF ( passive_scalar ) THEN
	999	DO i = nxlg, nxrg
	1000	DO j = nysg, nyng
	1001	s(:,j,i) = s_init
	1002	ENDDO
	1003	ENDDO
	1004	ENDIF
[1]	1005
	1006	IF ( .NOT. constant_diffusion ) THEN
[667]	1007	DO i = nxlg, nxrg
	1008	DO j = nysg, nyng
[1]	1009	e(:,j,i) = e1d
	1010	ENDDO
	1011	ENDDO
	1012	!
	1013	!-- Store initial profiles for output purposes etc.
	1014	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	1015
[1691]	1016	IF ( constant_flux_layer ) THEN
[1707]	1017	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	1018	ts = 0.0_wp ! could actually be computed more accurately in the
	1019	! 1D model. Update when opportunity arises.
[1]	1020	us = us1d
	1021	usws = usws1d
	1022	vsws = vsws1d
	1023	ELSE
[1340]	1024	ts = 0.0_wp ! must be set, because used in
[1691]	1025	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	1026	us = 0.0_wp
	1027	usws = 0.0_wp
	1028	vsws = 0.0_wp
[1]	1029	ENDIF
	1030
	1031	ELSE
[1340]	1032	e = 0.0_wp ! must be set, because used in
[1691]	1033	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	1034	ts = 0.0_wp
	1035	us = 0.0_wp
	1036	usws = 0.0_wp
	1037	vsws = 0.0_wp
[1]	1038	ENDIF
[2037]	1039	uswst = top_momentumflux_u * momentumflux_input_conversion(nzt+1)
	1040	vswst = top_momentumflux_v * momentumflux_input_conversion(nzt+1)
[1]	1041
	1042	!
	1043	!-- In every case qs = 0.0 (see also pt)
	1044	!-- This could actually be computed more accurately in the 1D model.
	1045	!-- Update when opportunity arises!
[1960]	1046	IF ( humidity ) THEN
[1340]	1047	qs = 0.0_wp
[1822]	1048	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1049	qrs = 0.0_wp
	1050	nrs = 0.0_wp
[1053]	1051	ENDIF
	1052	ENDIF
[1960]	1053	!
	1054	!-- Initialize scaling parameter for passive scalar
	1055	IF ( passive_scalar ) ss = 0.0_wp
[1]	1056
	1057	!
[1762]	1058	!-- Inside buildings set velocities back to zero
[1]	1059	IF ( topography /= 'flat' ) THEN
[1762]	1060	DO i = nxlg, nxrg
	1061	DO j = nysg, nyng
[1340]	1062	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1063	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	1064	ENDDO
	1065	ENDDO
[667]	1066
[1]	1067	!
	1068	!-- WARNING: The extra boundary conditions set after running the
	1069	!-- ------- 1D model impose an error on the divergence one layer
	1070	!-- below the topography; need to correct later
	1071	!-- ATTENTION: Provisional correction for Piacsek & Williams
	1072	!-- --------- advection scheme: keep u and v zero one layer below
	1073	!-- the topography.
[667]	1074	IF ( ibc_uv_b == 1 ) THEN
	1075	!
[1]	1076	!-- Neumann condition
	1077	DO i = nxl-1, nxr+1
	1078	DO j = nys-1, nyn+1
	1079	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	1080	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	1081	ENDDO
	1082	ENDDO
	1083
	1084	ENDIF
	1085
	1086	ENDIF
	1087
[1402]	1088	CALL location_message( 'finished', .TRUE. )
[1384]	1089
[1788]	1090	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	1091	THEN
[1241]	1092
[1402]	1093	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	1094	!
[1241]	1095	!-- Overwrite initial profiles in case of nudging
[1788]	1096	IF ( nudging ) THEN
[1241]	1097	pt_init = ptnudge(:,1)
	1098	u_init = unudge(:,1)
	1099	v_init = vnudge(:,1)
[1960]	1100	IF ( humidity ) THEN ! is passive_scalar correct???
[1241]	1101	q_init = qnudge(:,1)
	1102	ENDIF
	1103
[1788]	1104	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	1105	'scalars from NUDGING_DATA are used.'
	1106	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	1107	ENDIF
	1108
	1109	!
[1]	1110	!-- Use constructed initial profiles (velocity constant with height,
	1111	!-- temperature profile with constant gradient)
[667]	1112	DO i = nxlg, nxrg
	1113	DO j = nysg, nyng
[1]	1114	pt(:,j,i) = pt_init
	1115	u(:,j,i) = u_init
	1116	v(:,j,i) = v_init
	1117	ENDDO
	1118	ENDDO
[75]	1119
[1]	1120	!
[292]	1121	!-- Set initial horizontal velocities at the lowest computational grid
	1122	!-- levels to zero in order to avoid too small time steps caused by the
	1123	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	1124	!-- in the limiting formula!).
	1125	IF ( ibc_uv_b /= 1 ) THEN
	1126	DO i = nxlg, nxrg
	1127	DO j = nysg, nyng
	1128	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	1129	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	1130	ENDDO
	1131	ENDDO
	1132	ENDIF
[1]	1133
[1960]	1134	IF ( humidity ) THEN
[667]	1135	DO i = nxlg, nxrg
	1136	DO j = nysg, nyng
[1]	1137	q(:,j,i) = q_init
	1138	ENDDO
	1139	ENDDO
[1822]	1140	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	1141
[1822]	1142	DO i = nxlg, nxrg
	1143	DO j = nysg, nyng
	1144	qr(:,j,i) = 0.0_wp
	1145	nr(:,j,i) = 0.0_wp
[1053]	1146	ENDDO
[1822]	1147	ENDDO
[1115]	1148
[1053]	1149	ENDIF
[1]	1150	ENDIF
[1960]	1151
	1152	IF ( passive_scalar ) THEN
	1153	DO i = nxlg, nxrg
	1154	DO j = nysg, nyng
	1155	s(:,j,i) = s_init
	1156	ENDDO
	1157	ENDDO
	1158	ENDIF
[1]	1159
[94]	1160	IF ( ocean ) THEN
[667]	1161	DO i = nxlg, nxrg
	1162	DO j = nysg, nyng
[94]	1163	sa(:,j,i) = sa_init
	1164	ENDDO
	1165	ENDDO
	1166	ENDIF
[1]	1167
	1168	IF ( constant_diffusion ) THEN
	1169	km = km_constant
	1170	kh = km / prandtl_number
[1340]	1171	e = 0.0_wp
	1172	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	1173	DO k = nzb+1, nzt
[1340]	1174	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	1175	ENDDO
	1176	km(nzb,:,:) = km(nzb+1,:,:)
	1177	km(nzt+1,:,:) = km(nzt,:,:)
	1178	kh = km / prandtl_number
	1179	e = e_init
[1]	1180	ELSE
[108]	1181	IF ( .NOT. ocean ) THEN
[1340]	1182	kh = 0.01_wp ! there must exist an initial diffusion, because
	1183	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	1184	! production terms, as long as not yet
	1185	! e = (u/cm)*2 at k=nzb+1
	1186	ELSE
[1340]	1187	kh = 0.00001_wp
	1188	km = 0.00001_wp
[108]	1189	ENDIF
[1340]	1190	e = 0.0_wp
[1]	1191	ENDIF
[1691]	1192	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	1193	ts = 0.0_wp
[1920]	1194	!
	1195	!-- Very small number is required for calculation of Obukhov length
	1196	!-- at first timestep
	1197	us = 1E-30_wp
[1340]	1198	usws = 0.0_wp
[2037]	1199	uswst = top_momentumflux_u * momentumflux_input_conversion(nzt+1)
[1340]	1200	vsws = 0.0_wp
[2037]	1201	vswst = top_momentumflux_v * momentumflux_input_conversion(nzt+1)
[1960]	1202	IF ( humidity ) qs = 0.0_wp
	1203	IF ( passive_scalar ) ss = 0.0_wp
[1]	1204
	1205	!
	1206	!-- Compute initial temperature field and other constants used in case
	1207	!-- of a sloping surface
	1208	IF ( sloping_surface ) CALL init_slope
	1209
[1402]	1210	CALL location_message( 'finished', .TRUE. )
[1384]	1211
[1788]	1212	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	1213	THEN
[1384]	1214
[1402]	1215	CALL location_message( 'initializing by user', .FALSE. )
[46]	1216	!
	1217	!-- Initialization will completely be done by the user
	1218	CALL user_init_3d_model
	1219
[1402]	1220	CALL location_message( 'finished', .TRUE. )
[1384]	1221
[1]	1222	ENDIF
[1384]	1223
[1402]	1224	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	1225	.FALSE. )
[1384]	1226
[667]	1227	!
	1228	!-- Bottom boundary
	1229	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	1230	u(nzb,:,:) = 0.0_wp
	1231	v(nzb,:,:) = 0.0_wp
[667]	1232	ENDIF
[1]	1233
	1234	!
[151]	1235	!-- Apply channel flow boundary condition
[132]	1236	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	1237	u(nzt+1,:,:) = 0.0_wp
	1238	v(nzt+1,:,:) = 0.0_wp
[132]	1239	ENDIF
	1240
	1241	!
[1]	1242	!-- Calculate virtual potential temperature
[1960]	1243	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1244
	1245	!
	1246	!-- Store initial profiles for output purposes etc.
	1247	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1248	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1249	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1250	hom(nzb,1,5,:) = 0.0_wp
	1251	hom(nzb,1,6,:) = 0.0_wp
[1]	1252	ENDIF
	1253	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1254	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1255	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1256
[97]	1257	IF ( ocean ) THEN
	1258	!
	1259	!-- Store initial salinity profile
	1260	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1261	ENDIF
[1]	1262
[75]	1263	IF ( humidity ) THEN
[1]	1264	!
	1265	!-- Store initial profile of total water content, virtual potential
	1266	!-- temperature
	1267	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1268	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1269	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1270	!
	1271	!-- Store initial profile of specific humidity and potential
	1272	!-- temperature
	1273	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1274	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1275	ENDIF
	1276	ENDIF
	1277
	1278	IF ( passive_scalar ) THEN
	1279	!
	1280	!-- Store initial scalar profile
[1960]	1281	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
[1]	1282	ENDIF
	1283
	1284	!
[1400]	1285	!-- Initialize the random number generators (from numerical recipes)
	1286	CALL random_function_ini
[1429]	1287
[1400]	1288	IF ( random_generator == 'random-parallel' ) THEN
[1429]	1289	!-- Asigning an ID to every vertical gridpoint column
	1290	!-- dependig on the ensemble run number.
	1291	random_dummy=1
[1400]	1292	DO j=0,ny
	1293	DO i=0,nx
[1788]	1294	id_random_array(j,i) = random_dummy + 1E6 &
	1295	* ( ensemble_member_nr - 1000 )
[1429]	1296	random_dummy = random_dummy + 1
[1400]	1297	END DO
	1298	ENDDO
[1429]	1299	!-- Initializing with random_seed_parallel for every vertical
	1300	!-- gridpoint column.
	1301	random_dummy=0
[1400]	1302	DO j = nysg, nyng
	1303	DO i = nxlg, nxrg
	1304	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	1305	CALL random_number_parallel (random_dummy)
	1306	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	1307	END DO
	1308	ENDDO
	1309	ENDIF
	1310
	1311	!
[19]	1312	!-- Initialize fluxes at bottom surface
[1]	1313	IF ( use_surface_fluxes ) THEN
	1314
	1315	IF ( constant_heatflux ) THEN
	1316	!
	1317	!-- Heat flux is prescribed
	1318	IF ( random_heatflux ) THEN
	1319	CALL disturb_heatflux
	1320	ELSE
[2037]	1321	shf = surface_heatflux * heatflux_input_conversion(nzb)
[1]	1322	!
[1241]	1323	!-- Initialize shf with data from external file LSF_DATA
[1788]	1324	IF ( large_scale_forcing .AND. lsf_surf ) THEN
[1241]	1325	CALL ls_forcing_surf ( simulated_time )
	1326	ENDIF
	1327
	1328	!
[1]	1329	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1330	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1331	DO i = nxlg, nxrg
	1332	DO j = nysg, nyng
[1]	1333	IF ( nzb_s_inner(j,i) /= 0 ) THEN
[2037]	1334	shf(j,i) = wall_heatflux(0) &
	1335	* heatflux_input_conversion(nzb_s_inner(j,i))
[1]	1336	ENDIF
	1337	ENDDO
	1338	ENDDO
	1339	ENDIF
	1340	ENDIF
	1341	ENDIF
	1342
	1343	!
	1344	!-- Determine the near-surface water flux
[1960]	1345	IF ( humidity ) THEN
[1822]	1346	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1347	qrsws = 0.0_wp
	1348	nrsws = 0.0_wp
[1053]	1349	ENDIF
[1]	1350	IF ( constant_waterflux ) THEN
[2037]	1351	qsws = surface_waterflux * waterflux_input_conversion(nzb)
[407]	1352	!
	1353	!-- Over topography surface_waterflux is replaced by
	1354	!-- wall_humidityflux(0)
	1355	IF ( TRIM( topography ) /= 'flat' ) THEN
	1356	wall_qflux = wall_humidityflux
[667]	1357	DO i = nxlg, nxrg
	1358	DO j = nysg, nyng
[407]	1359	IF ( nzb_s_inner(j,i) /= 0 ) THEN
[2037]	1360	qsws(j,i) = wall_qflux(0) &
	1361	* waterflux_input_conversion(nzb_s_inner(j,i))
[407]	1362	ENDIF
	1363	ENDDO
	1364	ENDDO
	1365	ENDIF
[1]	1366	ENDIF
	1367	ENDIF
[1960]	1368	!
	1369	!-- Initialize the near-surface scalar flux
	1370	IF ( passive_scalar ) THEN
	1371	IF ( constant_scalarflux ) THEN
	1372	ssws = surface_scalarflux
	1373	!
	1374	!-- Over topography surface_scalarflux is replaced by
	1375	!-- wall_scalarflux(0)
	1376	IF ( TRIM( topography ) /= 'flat' ) THEN
	1377	wall_sflux = wall_scalarflux
	1378	DO i = nxlg, nxrg
	1379	DO j = nysg, nyng
	1380	IF ( nzb_s_inner(j,i) /= 0 ) ssws(j,i) = wall_sflux(0)
	1381	ENDDO
	1382	ENDDO
	1383	ENDIF
	1384	ENDIF
[1992]	1385	ENDIF
	1386	!
	1387	!-- Initialize near-surface salinity flux
	1388	IF ( ocean ) saswsb = bottom_salinityflux
[1]	1389
	1390	ENDIF
	1391
	1392	!
[19]	1393	!-- Initialize fluxes at top surface
[94]	1394	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1395	!-- The latent flux is zero in this case!
[19]	1396	IF ( use_top_fluxes ) THEN
	1397	!
[1992]	1398	!-- Prescribe to heat flux
[2037]	1399	IF ( constant_top_heatflux ) tswst = top_heatflux &
	1400	* heatflux_input_conversion(nzt+1)
[1992]	1401	!
	1402	!-- Prescribe zero latent flux at the top
	1403	IF ( humidity ) THEN
	1404	qswst = 0.0_wp
	1405	IF ( cloud_physics .AND. microphysics_seifert ) THEN
	1406	nrswst = 0.0_wp
	1407	qrswst = 0.0_wp
[1053]	1408	ENDIF
[102]	1409	ENDIF
	1410	!
[1992]	1411	!-- Prescribe top scalar flux
	1412	IF ( passive_scalar .AND. constant_top_scalarflux ) &
	1413	sswst = top_scalarflux
	1414	!
	1415	!-- Prescribe top salinity flux
	1416	IF ( ocean .AND. constant_top_salinityflux) &
	1417	saswst = top_salinityflux
	1418	!
[102]	1419	!-- Initialization in case of a coupled model run
	1420	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1421	tswst = 0.0_wp
[102]	1422	ENDIF
	1423
[19]	1424	ENDIF
	1425
	1426	!
[1]	1427	!-- Initialize Prandtl layer quantities
[1691]	1428	IF ( constant_flux_layer ) THEN
[1]	1429
	1430	z0 = roughness_length
[978]	1431	z0h = z0h_factor * z0
[1788]	1432	z0q = z0h_factor * z0
[1]	1433
	1434	IF ( .NOT. constant_heatflux ) THEN
	1435	!
	1436	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1437	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1438	!-- to be computed by iteration. This is why the heat flux is assumed
	1439	!-- to be zero before the first time step. It approaches its correct
	1440	!-- value in the course of the first few time steps.
[1340]	1441	shf = 0.0_wp
[1]	1442	ENDIF
	1443
[1960]	1444	IF ( humidity ) THEN
[1788]	1445	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1822]	1446	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1447	qrsws = 0.0_wp
	1448	nrsws = 0.0_wp
[1053]	1449	ENDIF
[1]	1450	ENDIF
[1960]	1451	IF ( passive_scalar .AND. .NOT. constant_scalarflux ) ssws = 0.0_wp
[1]	1452
	1453	ENDIF
	1454
[1179]	1455	!
	1456	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1457	!-- the reference state will be set (overwritten) in init_ocean)
	1458	IF ( use_single_reference_value ) THEN
[1788]	1459	IF ( .NOT. humidity ) THEN
[1179]	1460	ref_state(:) = pt_reference
	1461	ELSE
	1462	ref_state(:) = vpt_reference
	1463	ENDIF
	1464	ELSE
[1788]	1465	IF ( .NOT. humidity ) THEN
[1179]	1466	ref_state(:) = pt_init(:)
	1467	ELSE
	1468	ref_state(:) = vpt(:,nys,nxl)
	1469	ENDIF
	1470	ENDIF
[152]	1471
	1472	!
[707]	1473	!-- For the moment, vertical velocity is zero
[1340]	1474	w = 0.0_wp
[1]	1475
	1476	!
	1477	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1478	sums = 0.0_wp
[1]	1479
	1480	!
[707]	1481	!-- In case of iterative solvers, p must get an initial value
[1575]	1482	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1483
	1484	!
[72]	1485	!-- Treating cloud physics, liquid water content and precipitation amount
	1486	!-- are zero at beginning of the simulation
	1487	IF ( cloud_physics ) THEN
[1340]	1488	ql = 0.0_wp
[1822]	1489	qc = 0.0_wp
	1490
	1491	precipitation_amount = 0.0_wp
[72]	1492	ENDIF
[673]	1493	!
[1]	1494	!-- Impose vortex with vertical axis on the initial velocity profile
	1495	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1496	CALL init_rankine
	1497	ENDIF
	1498
	1499	!
	1500	!-- Impose temperature anomaly (advection test only)
	1501	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1502	CALL init_pt_anomaly
	1503	ENDIF
	1504
	1505	!
	1506	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1507	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1508	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1509	ENDIF
	1510
	1511	!
	1512	!-- If required, change the surface humidity/scalar at the start of the 3D
	1513	!-- run
[1960]	1514	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
[1]	1515	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
[1960]	1516
	1517	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
	1518	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
	1519
[1]	1520
	1521	!
	1522	!-- Initialize old and new time levels.
[1340]	1523	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]	1524	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1525
[1960]	1526	IF ( humidity ) THEN
[1340]	1527	tq_m = 0.0_wp
[1]	1528	q_p = q
[1822]	1529	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1530	tqr_m = 0.0_wp
[1822]	1531	qr_p = qr
[1340]	1532	tnr_m = 0.0_wp
[1822]	1533	nr_p = nr
[1053]	1534	ENDIF
[1]	1535	ENDIF
[1960]	1536
	1537	IF ( passive_scalar ) THEN
	1538	ts_m = 0.0_wp
	1539	s_p = s
	1540	ENDIF
[1]	1541
[94]	1542	IF ( ocean ) THEN
[1340]	1543	tsa_m = 0.0_wp
[94]	1544	sa_p = sa
	1545	ENDIF
[667]	1546
[1402]	1547	CALL location_message( 'finished', .TRUE. )
[94]	1548
[1788]	1549	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
	1550	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1551	THEN
[1384]	1552
[1402]	1553	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1554	.FALSE. )
[1]	1555	!
[767]	1556	!-- When reading data for cyclic fill of 3D prerun data files, read
	1557	!-- some of the global variables from the restart file which are required
	1558	!-- for initializing the inflow
[328]	1559	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1560
[759]	1561	DO i = 0, io_blocks-1
	1562	IF ( i == io_group ) THEN
	1563	CALL read_parts_of_var_list
	1564	CALL close_file( 13 )
	1565	ENDIF
	1566	#if defined( __parallel )
	1567	CALL MPI_BARRIER( comm2d, ierr )
	1568	#endif
	1569	ENDDO
[328]	1570
[767]	1571	ENDIF
	1572
[151]	1573	!
[767]	1574	!-- Read binary data from restart file
	1575	DO i = 0, io_blocks-1
	1576	IF ( i == io_group ) THEN
	1577	CALL read_3d_binary
	1578	ENDIF
	1579	#if defined( __parallel )
	1580	CALL MPI_BARRIER( comm2d, ierr )
	1581	#endif
	1582	ENDDO
	1583
[328]	1584	!
[767]	1585	!-- Initialization of the turbulence recycling method
[1788]	1586	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1587	turbulent_inflow ) THEN
	1588	!
	1589	!-- First store the profiles to be used at the inflow.
	1590	!-- These profiles are the (temporally) and horizontally averaged vertical
	1591	!-- profiles from the prerun. Alternatively, prescribed profiles
	1592	!-- for u,v-components can be used.
[1960]	1593	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
[151]	1594
[767]	1595	IF ( use_prescribed_profile_data ) THEN
	1596	mean_inflow_profiles(:,1) = u_init ! u
	1597	mean_inflow_profiles(:,2) = v_init ! v
	1598	ELSE
[328]	1599	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1600	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1601	ENDIF
	1602	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1603	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1960]	1604	IF ( humidity ) &
	1605	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
	1606	IF ( passive_scalar ) &
	1607	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
[151]	1608
	1609	!
[767]	1610	!-- If necessary, adjust the horizontal flow field to the prescribed
	1611	!-- profiles
	1612	IF ( use_prescribed_profile_data ) THEN
	1613	DO i = nxlg, nxrg
[667]	1614	DO j = nysg, nyng
[328]	1615	DO k = nzb, nzt+1
[767]	1616	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1617	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1618	ENDDO
[151]	1619	ENDDO
[767]	1620	ENDDO
	1621	ENDIF
[151]	1622
	1623	!
[767]	1624	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1625	!-- conditions are used)
	1626	IF ( inflow_l ) THEN
	1627	DO j = nysg, nyng
	1628	DO k = nzb, nzt+1
	1629	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1630	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1631	w(k,j,nxlg:-1) = 0.0_wp
[767]	1632	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1633	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1960]	1634	IF ( humidity ) &
[1615]	1635	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[1960]	1636	IF ( passive_scalar ) &
	1637	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
[767]	1638	ENDDO
	1639	ENDDO
	1640	ENDIF
	1641
[151]	1642	!
[767]	1643	!-- Calculate the damping factors to be used at the inflow. For a
	1644	!-- turbulent inflow the turbulent fluctuations have to be limited
	1645	!-- vertically because otherwise the turbulent inflow layer will grow
	1646	!-- in time.
[1340]	1647	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1648	!
	1649	!-- Default: use the inversion height calculated by the prerun; if
	1650	!-- this is zero, inflow_damping_height must be explicitly
	1651	!-- specified.
[1340]	1652	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1653	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1654	ELSE
[1788]	1655	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1656	'explicitly specified because&the inversion height ', &
[767]	1657	'calculated by the prerun is zero.'
	1658	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1659	ENDIF
[151]	1660
[767]	1661	ENDIF
	1662
[1340]	1663	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1664	!
[767]	1665	!-- Default for the transition range: one tenth of the undamped
	1666	!-- layer
[1340]	1667	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1668
[767]	1669	ENDIF
[151]	1670
[767]	1671	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1672
[767]	1673	DO k = nzb, nzt+1
[151]	1674
[767]	1675	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1676	inflow_damping_factor(k) = 1.0_wp
[996]	1677	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1678	inflow_damping_factor(k) = 1.0_wp - &
[996]	1679	( zu(k) - inflow_damping_height ) / &
	1680	inflow_damping_width
[767]	1681	ELSE
[1340]	1682	inflow_damping_factor(k) = 0.0_wp
[767]	1683	ENDIF
[151]	1684
[767]	1685	ENDDO
[151]	1686
[147]	1687	ENDIF
	1688
[152]	1689	!
[359]	1690	!-- Inside buildings set velocities and TKE back to zero
[1788]	1691	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1692	topography /= 'flat' ) THEN
	1693	!
	1694	!-- Inside buildings set velocities and TKE back to zero.
	1695	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1696	!-- maybe revise later.
[1001]	1697	DO i = nxlg, nxrg
	1698	DO j = nysg, nyng
[1340]	1699	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1700	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1701	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1702	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1703	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1704	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1705	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1706	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1707	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1708	ENDDO
[1001]	1709	ENDDO
[359]	1710
	1711	ENDIF
	1712
	1713	!
[1]	1714	!-- Calculate initial temperature field and other constants used in case
	1715	!-- of a sloping surface
	1716	IF ( sloping_surface ) CALL init_slope
	1717
	1718	!
	1719	!-- Initialize new time levels (only done in order to set boundary values
	1720	!-- including ghost points)
	1721	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1960]	1722	IF ( humidity ) THEN
[1053]	1723	q_p = q
[1822]	1724	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1725	qr_p = qr
	1726	nr_p = nr
	1727	ENDIF
	1728	ENDIF
[1960]	1729	IF ( passive_scalar ) s_p = s
	1730	IF ( ocean ) sa_p = sa
[1]	1731
[181]	1732	!
	1733	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1734	!-- have to be predefined here because they are used (but multiplied with 0)
	1735	!-- there before they are set.
[1340]	1736	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]	1737	IF ( humidity ) THEN
[1340]	1738	tq_m = 0.0_wp
[1822]	1739	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1740	tqr_m = 0.0_wp
	1741	tnr_m = 0.0_wp
[1053]	1742	ENDIF
	1743	ENDIF
[1960]	1744	IF ( passive_scalar ) ts_m = 0.0_wp
	1745	IF ( ocean ) tsa_m = 0.0_wp
[181]	1746
[1402]	1747	CALL location_message( 'finished', .TRUE. )
[1384]	1748
[1]	1749	ELSE
	1750	!
	1751	!-- Actually this part of the programm should not be reached
[254]	1752	message_string = 'unknown initializing problem'
	1753	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1754	ENDIF
	1755
[151]	1756
	1757	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1758	!
[151]	1759	!-- Initialize old timelevels needed for radiation boundary conditions
	1760	IF ( outflow_l ) THEN
	1761	u_m_l(:,:,:) = u(:,:,1:2)
	1762	v_m_l(:,:,:) = v(:,:,0:1)
	1763	w_m_l(:,:,:) = w(:,:,0:1)
	1764	ENDIF
	1765	IF ( outflow_r ) THEN
	1766	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1767	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1768	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1769	ENDIF
	1770	IF ( outflow_s ) THEN
	1771	u_m_s(:,:,:) = u(:,0:1,:)
	1772	v_m_s(:,:,:) = v(:,1:2,:)
	1773	w_m_s(:,:,:) = w(:,0:1,:)
	1774	ENDIF
	1775	IF ( outflow_n ) THEN
	1776	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1777	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1778	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1779	ENDIF
[667]	1780
[151]	1781	ENDIF
[680]	1782
[667]	1783	!
	1784	!-- Calculate the initial volume flow at the right and north boundary
[709]	1785	IF ( conserve_volume_flow ) THEN
[151]	1786
[767]	1787	IF ( use_prescribed_profile_data ) THEN
[667]	1788
[1340]	1789	volume_flow_initial_l = 0.0_wp
	1790	volume_flow_area_l = 0.0_wp
[732]	1791
[667]	1792	IF ( nxr == nx ) THEN
	1793	DO j = nys, nyn
[1845]	1794	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1795	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1796	u_init(k) * dzw(k)
	1797	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1798	ENDDO
	1799	ENDDO
	1800	ENDIF
	1801
	1802	IF ( nyn == ny ) THEN
	1803	DO i = nxl, nxr
[1845]	1804	DO k = nzb_v_inner(ny,i)+1, nzt
[767]	1805	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1806	v_init(k) * dzw(k)
	1807	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1808	ENDDO
	1809	ENDDO
	1810	ENDIF
	1811
	1812	#if defined( __parallel )
	1813	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1814	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1815	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1816	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1817
	1818	#else
	1819	volume_flow_initial = volume_flow_initial_l
	1820	volume_flow_area = volume_flow_area_l
	1821	#endif
	1822
	1823	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1824
[1340]	1825	volume_flow_initial_l = 0.0_wp
	1826	volume_flow_area_l = 0.0_wp
[767]	1827
	1828	IF ( nxr == nx ) THEN
	1829	DO j = nys, nyn
[1845]	1830	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1831	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1832	hom_sum(k,1,0) * dzw(k)
	1833	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1834	ENDDO
	1835	ENDDO
	1836	ENDIF
	1837
	1838	IF ( nyn == ny ) THEN
	1839	DO i = nxl, nxr
[1845]	1840	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1841	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1842	hom_sum(k,2,0) * dzw(k)
[667]	1843	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1844	ENDDO
	1845	ENDDO
	1846	ENDIF
	1847
[732]	1848	#if defined( __parallel )
	1849	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1850	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1851	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1852	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1853
	1854	#else
	1855	volume_flow_initial = volume_flow_initial_l
	1856	volume_flow_area = volume_flow_area_l
	1857	#endif
	1858
[667]	1859	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1860
[1340]	1861	volume_flow_initial_l = 0.0_wp
	1862	volume_flow_area_l = 0.0_wp
[732]	1863
[667]	1864	IF ( nxr == nx ) THEN
	1865	DO j = nys, nyn
[1845]	1866	DO k = nzb_u_inner(j,nx)+1, nzt
[667]	1867	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1868	u(k,j,nx) * dzw(k)
[667]	1869	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1870	ENDDO
	1871	ENDDO
	1872	ENDIF
	1873
	1874	IF ( nyn == ny ) THEN
	1875	DO i = nxl, nxr
[1845]	1876	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1877	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[667]	1878	v(k,ny,i) * dzw(k)
	1879	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1880	ENDDO
	1881	ENDDO
	1882	ENDIF
	1883
	1884	#if defined( __parallel )
[732]	1885	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1886	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1887	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1888	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1889
	1890	#else
[732]	1891	volume_flow_initial = volume_flow_initial_l
	1892	volume_flow_area = volume_flow_area_l
[667]	1893	#endif
	1894
[732]	1895	ENDIF
	1896
[151]	1897	!
[709]	1898	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1899	!-- from u\|v_bulk instead
[680]	1900	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1901	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1902	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1903	ENDIF
[667]	1904
[680]	1905	ENDIF
	1906
[787]	1907	!
	1908	!-- Initialize quantities for special advections schemes
	1909	CALL init_advec
[680]	1910
[667]	1911	!
[680]	1912	!-- Impose random perturbation on the horizontal velocity field and then
	1913	!-- remove the divergences from the velocity field at the initial stage
[1788]	1914	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1915	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1916	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1917
[1402]	1918	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1919	CALL disturb_field( nzb_u_inner, tend, u )
	1920	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1921	CALL location_message( 'finished', .TRUE. )
[1384]	1922
[1402]	1923	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1924	n_sor = nsor_ini
	1925	CALL pres
	1926	n_sor = nsor
[1402]	1927	CALL location_message( 'finished', .TRUE. )
[1384]	1928
[680]	1929	ENDIF
	1930
	1931	!
[1484]	1932	!-- If required, initialize quantities needed for the plant canopy model
[2007]	1933	IF ( plant_canopy ) THEN
	1934	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1935	CALL pcm_init
	1936	CALL location_message( 'finished', .TRUE. )
	1937	ENDIF
[138]	1938
	1939	!
[1]	1940	!-- If required, initialize dvrp-software
[1340]	1941	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1942
[96]	1943	IF ( ocean ) THEN
[1]	1944	!
[96]	1945	!-- Initialize quantities needed for the ocean model
	1946	CALL init_ocean
[388]	1947
[96]	1948	ELSE
	1949	!
	1950	!-- Initialize quantities for handling cloud physics
[849]	1951	!-- This routine must be called before lpm_init, because
[96]	1952	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1953	!-- lpm_init) is not defined.
[96]	1954	CALL init_cloud_physics
[1849]	1955	!
	1956	!-- Initialize bulk cloud microphysics
	1957	CALL microphysics_init
[96]	1958	ENDIF
[1]	1959
	1960	!
	1961	!-- If required, initialize particles
[849]	1962	IF ( particle_advection ) CALL lpm_init
[1]	1963
[1585]	1964	!
	1965	!-- If required, initialize quantities needed for the LSM
	1966	IF ( land_surface ) THEN
	1967	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1968	CALL lsm_init
[1585]	1969	CALL location_message( 'finished', .TRUE. )
	1970	ENDIF
[1496]	1971
[1]	1972	!
[1691]	1973	!-- Initialize surface layer (done after LSM as roughness length are required
	1974	!-- for initialization
	1975	IF ( constant_flux_layer ) THEN
	1976	CALL location_message( 'initializing surface layer', .FALSE. )
	1977	CALL init_surface_layer_fluxes
	1978	CALL location_message( 'finished', .TRUE. )
	1979	ENDIF
	1980
	1981	!
[1496]	1982	!-- If required, initialize radiation model
	1983	IF ( radiation ) THEN
[1585]	1984	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1985	CALL radiation_init
[1585]	1986	CALL location_message( 'finished', .TRUE. )
[1496]	1987	ENDIF
[2007]	1988
[1914]	1989	!
[2007]	1990	!-- If required, initialize urban surface model
	1991	IF ( urban_surface ) THEN
	1992	CALL location_message( 'initializing urban surface model', .FALSE. )
	1993	CALL usm_init_urban_surface
	1994	CALL location_message( 'finished', .TRUE. )
	1995	ENDIF
	1996
	1997	!
[1914]	1998	!-- If required, initialize quantities needed for the wind turbine model
	1999	IF ( wind_turbine ) THEN
	2000	CALL location_message( 'initializing wind turbine model', .FALSE. )
	2001	CALL wtm_init
	2002	CALL location_message( 'finished', .TRUE. )
	2003	ENDIF
[1496]	2004
[1914]	2005
[1496]	2006	!
[673]	2007	!-- Initialize the ws-scheme.
	2008	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	2009
	2010	!
[709]	2011	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	2012	!-- and turbulent quantities from the RK substeps
[709]	2013	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	2014
[1322]	2015	weight_substep(1) = 1._wp/6._wp
	2016	weight_substep(2) = 3._wp/10._wp
	2017	weight_substep(3) = 8._wp/15._wp
[709]	2018
[1322]	2019	weight_pres(1) = 1._wp/3._wp
	2020	weight_pres(2) = 5._wp/12._wp
	2021	weight_pres(3) = 1._wp/4._wp
[709]	2022
	2023	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	2024
[1322]	2025	weight_substep(1) = 1._wp/2._wp
	2026	weight_substep(2) = 1._wp/2._wp
[673]	2027
[1322]	2028	weight_pres(1) = 1._wp/2._wp
	2029	weight_pres(2) = 1._wp/2._wp
[709]	2030
[1001]	2031	ELSE ! for Euler-method
[709]	2032
[1340]	2033	weight_substep(1) = 1.0_wp
	2034	weight_pres(1) = 1.0_wp
[709]	2035
[673]	2036	ENDIF
	2037
	2038	!
[1]	2039	!-- Initialize Rayleigh damping factors
[1340]	2040	rdf = 0.0_wp
	2041	rdf_sc = 0.0_wp
	2042	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	2043	IF ( .NOT. ocean ) THEN
[108]	2044	DO k = nzb+1, nzt
	2045	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	2046	rdf(k) = rayleigh_damping_factor * &
[1340]	2047	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	2048	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	2049	)**2
[108]	2050	ENDIF
	2051	ENDDO
	2052	ELSE
	2053	DO k = nzt, nzb+1, -1
	2054	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	2055	rdf(k) = rayleigh_damping_factor * &
[1340]	2056	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	2057	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	2058	)**2
	2059	ENDIF
	2060	ENDDO
	2061	ENDIF
[1]	2062	ENDIF
[785]	2063	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	2064
	2065	!
[240]	2066	!-- Initialize the starting level and the vertical smoothing factor used for
	2067	!-- the external pressure gradient
[1340]	2068	dp_smooth_factor = 1.0_wp
[240]	2069	IF ( dp_external ) THEN
	2070	!
	2071	!-- Set the starting level dp_level_ind_b only if it has not been set before
	2072	!-- (e.g. in init_grid).
	2073	IF ( dp_level_ind_b == 0 ) THEN
	2074	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	2075	dp_level_ind_b = ind_array(1) - 1 + nzb
	2076	! MINLOC uses lower array bound 1
	2077	ENDIF
	2078	IF ( dp_smooth ) THEN
[1340]	2079	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	2080	DO k = dp_level_ind_b+1, nzt
[1340]	2081	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	2082	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	2083	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	2084	ENDDO
	2085	ENDIF
	2086	ENDIF
	2087
	2088	!
[978]	2089	!-- Initialize damping zone for the potential temperature in case of
	2090	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	2091	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	2092	ptdf_x = 0.0_wp
	2093	ptdf_y = 0.0_wp
[1159]	2094	IF ( bc_lr_dirrad ) THEN
[996]	2095	DO i = nxl, nxr
[978]	2096	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	2097	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	2098	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	2099	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	2100	ENDIF
	2101	ENDDO
[1159]	2102	ELSEIF ( bc_lr_raddir ) THEN
[996]	2103	DO i = nxl, nxr
[978]	2104	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	2105	ptdf_x(i) = pt_damping_factor * &
[1340]	2106	SIN( pi * 0.5_wp * &
	2107	( ( i - nx ) * dx + pt_damping_width ) / &
	2108	REAL( pt_damping_width, KIND=wp ) )**2
[73]	2109	ENDIF
[978]	2110	ENDDO
[1159]	2111	ELSEIF ( bc_ns_dirrad ) THEN
[996]	2112	DO j = nys, nyn
[978]	2113	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	2114	ptdf_y(j) = pt_damping_factor * &
[1340]	2115	SIN( pi * 0.5_wp * &
	2116	( ( j - ny ) * dy + pt_damping_width ) / &
	2117	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2118	ENDIF
[978]	2119	ENDDO
[1159]	2120	ELSEIF ( bc_ns_raddir ) THEN
[996]	2121	DO j = nys, nyn
[978]	2122	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	2123	ptdf_y(j) = pt_damping_factor * &
[1340]	2124	SIN( pi * 0.5_wp * &
	2125	( pt_damping_width - j * dy ) / &
	2126	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2127	ENDIF
[73]	2128	ENDDO
[1]	2129	ENDIF
	2130
	2131	!
	2132	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	2133	!-- Ghost points are excluded because counting values at the ghost boundaries
	2134	!-- would bias the statistics
[1340]	2135	rmask = 1.0_wp
	2136	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	2137	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	2138
	2139	!
[51]	2140	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	2141	!-- of allowed timeseries is exceeded
[1]	2142	CALL user_init
	2143
[51]	2144	IF ( dots_num > dots_max ) THEN
[1788]	2145	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	2146	' its maximum of dots_max = ', dots_max, &
[254]	2147	' &Please increase dots_max in modules.f90.'
	2148	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	2149	ENDIF
	2150
[1]	2151	!
	2152	!-- Input binary data file is not needed anymore. This line must be placed
	2153	!-- after call of user_init!
	2154	CALL close_file( 13 )
	2155
	2156	!
	2157	!-- Compute total sum of active mask grid points
[1738]	2158	!-- and the mean surface level height for each statistic region
[1]	2159	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	2160	!-- total domain
	2161	!-- ngp_3d: number of grid points of the total domain
[132]	2162	ngp_2dh_outer_l = 0
	2163	ngp_2dh_outer = 0
	2164	ngp_2dh_s_inner_l = 0
	2165	ngp_2dh_s_inner = 0
	2166	ngp_2dh_l = 0
	2167	ngp_2dh = 0
[1340]	2168	ngp_3d_inner_l = 0.0_wp
[132]	2169	ngp_3d_inner = 0
	2170	ngp_3d = 0
	2171	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	2172
[1738]	2173	mean_surface_level_height = 0.0_wp
	2174	mean_surface_level_height_l = 0.0_wp
	2175
[1]	2176	DO sr = 0, statistic_regions
	2177	DO i = nxl, nxr
	2178	DO j = nys, nyn
[1340]	2179	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	2180	!
	2181	!-- All xy-grid points
	2182	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
[1788]	2183	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
	2184	+ zw(nzb_s_inner(j,i))
[1]	2185	!
	2186	!-- xy-grid points above topography
	2187	DO k = nzb_s_outer(j,i), nz + 1
	2188	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	2189	ENDDO
[132]	2190	DO k = nzb_s_inner(j,i), nz + 1
	2191	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	2192	ENDDO
[1]	2193	!
	2194	!-- All grid points of the total domain above topography
[1788]	2195	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
	2196	+ ( nz - nzb_s_inner(j,i) + 2 )
[1]	2197	ENDIF
	2198	ENDDO
	2199	ENDDO
	2200	ENDDO
	2201
	2202	sr = statistic_regions + 1
	2203	#if defined( __parallel )
[622]	2204	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2205	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	2206	comm2d, ierr )
[622]	2207	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2208	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	2209	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2210	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2211	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	2212	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2213	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2214	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	2215	MPI_SUM, comm2d, ierr )
[485]	2216	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2217	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2218	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	2219	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	2220	MPI_SUM, comm2d, ierr )
	2221	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	2222	#else
[132]	2223	ngp_2dh = ngp_2dh_l
	2224	ngp_2dh_outer = ngp_2dh_outer_l
	2225	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	2226	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2227	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	2228	#endif
	2229
[560]	2230	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	2231	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	2232
	2233	!
	2234	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	2235	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	2236	!-- the respective subdomain lie below the surface topography
[667]	2237	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	2238	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	2239	ngp_3d_inner(:) )
[667]	2240	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	2241
[1788]	2242	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	2243	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	2244
[1402]	2245	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	2246
	2247	END SUBROUTINE init_3d_model

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