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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2104

Last change on this file since 2104 was 2101, checked in by suehring, 8 years ago

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

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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	!
[2038]	23	!
[1961]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 2101 2017-01-05 16:42:31Z knoop $
	27	!
[2038]	28	! 2037 2016-10-26 11:15:40Z knoop
	29	! Anelastic approximation implemented
	30	!
[2032]	31	! 2031 2016-10-21 15:11:58Z knoop
	32	! renamed variable rho to rho_ocean
	33	!
[2012]	34	! 2011 2016-09-19 17:29:57Z kanani
	35	! Flag urban_surface is now defined in module control_parameters.
	36	!
[2008]	37	! 2007 2016-08-24 15:47:17Z kanani
	38	! Added support for urban surface model,
	39	! adjusted location_message in case of plant_canopy
	40	!
[2001]	41	! 2000 2016-08-20 18:09:15Z knoop
	42	! Forced header and separation lines into 80 columns
	43	!
[1993]	44	! 1992 2016-08-12 15:14:59Z suehring
	45	! Initializaton of scalarflux at model top
	46	! Bugfixes in initialization of surface and top salinity flux, top scalar and
	47	! humidity fluxes
	48	!
[1961]	49	! 1960 2016-07-12 16:34:24Z suehring
[1960]	50	! Separate humidity and passive scalar
	51	! Increase dimension for mean_inflow_profiles
	52	! Remove inadvertent write-statement
	53	! Bugfix, large-scale forcing is still not implemented for passive scalars
[1919]	54	!
[1958]	55	! 1957 2016-07-07 10:43:48Z suehring
	56	! flight module added
	57	!
[1921]	58	! 1920 2016-05-30 10:50:15Z suehring
	59	! Initialize us with very small number to avoid segmentation fault during
	60	! calculation of Obukhov length
	61	!
[1919]	62	! 1918 2016-05-27 14:35:57Z raasch
	63	! intermediate_timestep_count is set 0 instead 1 for first call of pres,
	64	! bugfix: initialization of local sum arrays are moved to the beginning of the
	65	! routine because otherwise results from pres are overwritten
	66	!
[1917]	67	! 1914 2016-05-26 14:44:07Z witha
	68	! Added initialization of the wind turbine model
	69	!
[1879]	70	! 1878 2016-04-19 12:30:36Z hellstea
	71	! The zeroth element of weight_pres removed as unnecessary
	72	!
[1851]	73	! 1849 2016-04-08 11:33:18Z hoffmann
[1849]	74	! Adapted for modularization of microphysics.
	75	! precipitation_amount, precipitation_rate, prr moved to arrays_3d.
[1852]	76	! Initialization of nc_1d, nr_1d, pt_1d, qc_1d, qr_1d, q_1d moved to
[1849]	77	! microphysics_init.
	78	!
[1846]	79	! 1845 2016-04-08 08:29:13Z raasch
	80	! nzb_2d replaced by nzb_u\|v_inner
[1914]	81	!
[1834]	82	! 1833 2016-04-07 14:23:03Z raasch
	83	! initialization of spectra quantities moved to spectra_mod
	84	!
[1832]	85	! 1831 2016-04-07 13:15:51Z hoffmann
	86	! turbulence renamed collision_turbulence
	87	!
[1827]	88	! 1826 2016-04-07 12:01:39Z maronga
	89	! Renamed radiation calls.
	90	! Renamed canopy model calls.
	91	!
[1823]	92	! 1822 2016-04-07 07:49:42Z hoffmann
	93	! icloud_scheme replaced by microphysics_*
[1914]	94	!
[1818]	95	! 1817 2016-04-06 15:44:20Z maronga
	96	! Renamed lsm calls.
	97	!
[1816]	98	! 1815 2016-04-06 13:49:59Z raasch
	99	! zero-settings for velocities inside topography re-activated (was deactivated
	100	! in r1762)
	101	!
[1789]	102	! 1788 2016-03-10 11:01:04Z maronga
	103	! Added z0q.
	104	! Syntax layout improved.
	105	!
[1784]	106	! 1783 2016-03-06 18:36:17Z raasch
	107	! netcdf module name changed + related changes
	108	!
[1765]	109	! 1764 2016-02-28 12:45:19Z raasch
	110	! bugfix: increase size of volume_flow_area_l and volume_flow_initial_l by 1
	111	!
[1763]	112	! 1762 2016-02-25 12:31:13Z hellstea
	113	! Introduction of nested domain feature
	114	!
[1739]	115	! 1738 2015-12-18 13:56:05Z raasch
	116	! calculate mean surface level height for each statistic region
	117	!
[1735]	118	! 1734 2015-12-02 12:17:12Z raasch
	119	! no initial disturbances in case that the disturbance energy limit has been
	120	! set zero
	121	!
[1708]	122	! 1707 2015-11-02 15:24:52Z maronga
	123	! Bugfix: transfer of Richardson number from 1D model to Obukhov length caused
	124	! devision by zero in neutral stratification
	125	!
[1692]	126	! 1691 2015-10-26 16:17:44Z maronga
	127	! Call to init_surface_layer added. rif is replaced by ol and zeta.
	128	!
[1683]	129	! 1682 2015-10-07 23:56:08Z knoop
	130	! Code annotations made doxygen readable
	131	!
[1616]	132	! 1615 2015-07-08 18:49:19Z suehring
	133	! Enable turbulent inflow for passive_scalar and humidity
	134	!
[1586]	135	! 1585 2015-04-30 07:05:52Z maronga
	136	! Initialization of radiation code is now done after LSM initializtion
	137	!
[1576]	138	! 1575 2015-03-27 09:56:27Z raasch
	139	! adjustments for psolver-queries
	140	!
[1552]	141	! 1551 2015-03-03 14:18:16Z maronga
[1817]	142	! Allocation of land surface arrays is now done in the subroutine lsm_init_arrays,
[1552]	143	! which is part of land_surface_model.
	144	!
[1508]	145	! 1507 2014-12-10 12:14:18Z suehring
	146	! Bugfix: set horizontal velocity components to zero inside topography
	147	!
[1497]	148	! 1496 2014-12-02 17:25:50Z maronga
	149	! Added initialization of the land surface and radiation schemes
	150	!
[1485]	151	! 1484 2014-10-21 10:53:05Z kanani
[1484]	152	! Changes due to new module structure of the plant canopy model:
[1508]	153	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	154	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	155	! call of subroutine init_plant_canopy added.
[1341]	156	!
[1432]	157	! 1431 2014-07-15 14:47:17Z suehring
	158	! var_d added, in order to normalize spectra.
	159	!
[1430]	160	! 1429 2014-07-15 12:53:45Z knoop
	161	! Ensemble run capability added to parallel random number generator
	162	!
[1412]	163	! 1411 2014-05-16 18:01:51Z suehring
	164	! Initial horizontal velocity profiles were not set to zero at the first vertical
	165	! grid level in case of non-cyclic lateral boundary conditions.
	166	!
[1407]	167	! 1406 2014-05-16 13:47:01Z raasch
	168	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	169	! no-slip boundary condition for uv
	170	!
[1403]	171	! 1402 2014-05-09 14:25:13Z raasch
	172	! location messages modified
	173	!
[1401]	174	! 1400 2014-05-09 14:03:54Z knoop
	175	! Parallel random number generator added
	176	!
[1385]	177	! 1384 2014-05-02 14:31:06Z raasch
	178	! location messages added
	179	!
[1362]	180	! 1361 2014-04-16 15:17:48Z hoffmann
	181	! tend_* removed
	182	! Bugfix: w_subs is not allocated anymore if it is already allocated
	183	!
[1360]	184	! 1359 2014-04-11 17:15:14Z hoffmann
	185	! module lpm_init_mod added to use statements, because lpm_init has become a
	186	! module
	187	!
[1354]	188	! 1353 2014-04-08 15:21:23Z heinze
	189	! REAL constants provided with KIND-attribute
	190	!
[1341]	191	! 1340 2014-03-25 19:45:13Z kanani
	192	! REAL constants defined as wp-kind
	193	!
[1323]	194	! 1322 2014-03-20 16:38:49Z raasch
	195	! REAL constants defined as wp-kind
	196	! module interfaces removed
	197	!
[1321]	198	! 1320 2014-03-20 08:40:49Z raasch
	199	! ONLY-attribute added to USE-statements,
	200	! kind-parameters added to all INTEGER and REAL declaration statements,
	201	! kinds are defined in new module kinds,
	202	! revision history before 2012 removed,
	203	! comment fields (!:) to be used for variable explanations added to
	204	! all variable declaration statements
	205	!
[1317]	206	! 1316 2014-03-17 07:44:59Z heinze
	207	! Bugfix: allocation of w_subs
	208	!
[1300]	209	! 1299 2014-03-06 13:15:21Z heinze
	210	! Allocate w_subs due to extension of large scale subsidence in combination
	211	! with large scale forcing data (LSF_DATA)
	212	!
[1242]	213	! 1241 2013-10-30 11:36:58Z heinze
	214	! Overwrite initial profiles in case of nudging
	215	! Inititialize shf and qsws in case of large_scale_forcing
	216	!
[1222]	217	! 1221 2013-09-10 08:59:13Z raasch
	218	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	219	! copy
	220	!
[1213]	221	! 1212 2013-08-15 08:46:27Z raasch
	222	! array tri is allocated and included in data copy statement
	223	!
[1196]	224	! 1195 2013-07-01 12:27:57Z heinze
	225	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	226	!
[1182]	227	! 1179 2013-06-14 05:57:58Z raasch
	228	! allocate and set ref_state to be used in buoyancy terms
	229	!
[1172]	230	! 1171 2013-05-30 11:27:45Z raasch
	231	! diss array is allocated with full size if accelerator boards are used
	232	!
[1160]	233	! 1159 2013-05-21 11:58:22Z fricke
	234	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	235	!
[1154]	236	! 1153 2013-05-10 14:33:08Z raasch
	237	! diss array is allocated with dummy elements even if it is not needed
[1171]	238	! (required by PGI 13.4 / CUDA 5.0)
[1154]	239	!
[1116]	240	! 1115 2013-03-26 18:16:16Z hoffmann
	241	! unused variables removed
	242	!
[1114]	243	! 1113 2013-03-10 02:48:14Z raasch
	244	! openACC directive modified
	245	!
[1112]	246	! 1111 2013-03-08 23:54:10Z raasch
	247	! openACC directives added for pres
	248	! array diss allocated only if required
	249	!
[1093]	250	! 1092 2013-02-02 11:24:22Z raasch
	251	! unused variables removed
	252	!
[1066]	253	! 1065 2012-11-22 17:42:36Z hoffmann
	254	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	255	!
[1054]	256	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	257	! allocation and initialisation of necessary data arrays for the two-moment
	258	! cloud physics scheme the two new prognostic equations (nr, qr):
	259	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	260	! +tend_*, prr
[979]	261	!
[1037]	262	! 1036 2012-10-22 13:43:42Z raasch
	263	! code put under GPL (PALM 3.9)
	264	!
[1033]	265	! 1032 2012-10-21 13:03:21Z letzel
	266	! save memory by not allocating pt_2 in case of neutral = .T.
	267	!
[1026]	268	! 1025 2012-10-07 16:04:41Z letzel
	269	! bugfix: swap indices of mask for ghost boundaries
	270	!
[1017]	271	! 1015 2012-09-27 09:23:24Z raasch
	272	! mask is set to zero for ghost boundaries
	273	!
[1011]	274	! 1010 2012-09-20 07:59:54Z raasch
	275	! cpp switch __nopointer added for pointer free version
	276	!
[1004]	277	! 1003 2012-09-14 14:35:53Z raasch
	278	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	279	!
[1002]	280	! 1001 2012-09-13 14:08:46Z raasch
	281	! all actions concerning leapfrog scheme removed
	282	!
[997]	283	! 996 2012-09-07 10:41:47Z raasch
	284	! little reformatting
	285	!
[979]	286	! 978 2012-08-09 08:28:32Z fricke
[978]	287	! outflow damping layer removed
	288	! roughness length for scalar quantites z0h added
	289	! damping zone for the potential temperatur in case of non-cyclic lateral
	290	! boundaries added
	291	! initialization of ptdf_x, ptdf_y
	292	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	293	!
[850]	294	! 849 2012-03-15 10:35:09Z raasch
	295	! init_particles renamed lpm_init
	296	!
[826]	297	! 825 2012-02-19 03:03:44Z raasch
	298	! wang_collision_kernel renamed wang_kernel
	299	!
[1]	300	! Revision 1.1 1998/03/09 16:22:22 raasch
	301	! Initial revision
	302	!
	303	!
	304	! Description:
	305	! ------------
[1682]	306	!> Allocation of arrays and initialization of the 3D model via
	307	!> a) pre-run the 1D model
	308	!> or
	309	!> b) pre-set constant linear profiles
	310	!> or
	311	!> c) read values of a previous run
[1]	312	!------------------------------------------------------------------------------!
[1682]	313	SUBROUTINE init_3d_model
	314
[1]	315
[667]	316	USE advec_ws
[1320]	317
[1]	318	USE arrays_3d
[1849]	319
[2037]	320	USE cloud_parameters, &
	321	ONLY: cp, l_v, r_d
	322
[1320]	323	USE constants, &
	324	ONLY: pi
	325
[1]	326	USE control_parameters
[1320]	327
[1957]	328	USE flight_mod, &
	329	ONLY: flight_init
	330
[1320]	331	USE grid_variables, &
[2037]	332	ONLY: dx, dy, ddx2_mg, ddy2_mg
[1320]	333
[1]	334	USE indices
[1359]	335
[1429]	336	USE lpm_init_mod, &
[1359]	337	ONLY: lpm_init
[1320]	338
	339	USE kinds
[1496]	340
	341	USE land_surface_model_mod, &
[1817]	342	ONLY: lsm_init, lsm_init_arrays, land_surface
[1496]	343
[1241]	344	USE ls_forcing_mod
[1849]	345
	346	USE microphysics_mod, &
	347	ONLY: collision_turbulence, microphysics_init
	348
[1320]	349	USE model_1d, &
	350	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	351
[1783]	352	USE netcdf_interface, &
	353	ONLY: dots_max, dots_num
[1320]	354
	355	USE particle_attributes, &
	356	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	357
[1]	358	USE pegrid
[1320]	359
[1484]	360	USE plant_canopy_model_mod, &
[1826]	361	ONLY: pcm_init, plant_canopy
[1496]	362
	363	USE radiation_model_mod, &
[1826]	364	ONLY: radiation_init, radiation
[1484]	365
[1320]	366	USE random_function_mod
	367
[1400]	368	USE random_generator_parallel, &
	369	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	370	id_random_array, seq_random_array
	371
[1320]	372	USE statistics, &
[1738]	373	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	374	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	375	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
	376	weight_pres, weight_substep
[1691]	377
	378	USE surface_layer_fluxes_mod, &
	379	ONLY: init_surface_layer_fluxes
	380
[2007]	381	USE transpose_indices
[1]	382
[2007]	383	USE urban_surface_mod, &
[2011]	384	ONLY: usm_init_urban_surface
[2007]	385
[1914]	386	USE wind_turbine_model_mod, &
	387	ONLY: wtm_init, wtm_init_arrays, wind_turbine
	388
[1]	389	IMPLICIT NONE
	390
[1682]	391	INTEGER(iwp) :: i !<
	392	INTEGER(iwp) :: ind_array(1) !<
	393	INTEGER(iwp) :: j !<
	394	INTEGER(iwp) :: k !<
	395	INTEGER(iwp) :: sr !<
[1]	396
[1682]	397	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !<
[1]	398
[1682]	399	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !<
	400	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !<
[1]	401
[2037]	402	REAL(wp) :: t_surface !< air temperature at the surface
	403
	404	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
	405
	406	INTEGER(iwp) :: l !< loop variable
	407	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
	408	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
	409	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
	410
[1764]	411	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !<
	412	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !<
[1]	413
[1738]	414	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !<
[1682]	415	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !<
	416	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !<
[1]	417
[485]	418
[1402]	419	CALL location_message( 'allocating arrays', .FALSE. )
[1]	420	!
	421	!-- Allocate arrays
[1788]	422	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	423	mean_surface_level_height_l(0:statistic_regions), &
	424	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	425	ngp_3d(0:statistic_regions), &
	426	ngp_3d_inner(0:statistic_regions), &
	427	ngp_3d_inner_l(0:statistic_regions), &
	428	ngp_3d_inner_tmp(0:statistic_regions), &
	429	sums_divnew_l(0:statistic_regions), &
[1]	430	sums_divold_l(0:statistic_regions) )
[1195]	431	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	432	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	433	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	434	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	435	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	436	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
	437	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	438	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
	439	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	440	sums_up_fraction_l(10,3,0:statistic_regions), &
	441	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	442	ts_value(dots_max,0:statistic_regions) )
[978]	443	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	444
[1788]	445	ALLOCATE( ol(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	446	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	447	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	448	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	449	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
	450	z0h(nysg:nyng,nxlg:nxrg), z0q(nysg:nyng,nxlg:nxrg) )
[1]	451
[1788]	452	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	453	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	454	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	455	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	456	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	457
	458	#if defined( __nopointer )
[1788]	459	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	460	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	461	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	462	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	463	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	464	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	465	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	466	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	467	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	468	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	473	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	474	#else
[1788]	475	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	476	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	477	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	478	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	479	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	480	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	481	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	482	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	483	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	484	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	485	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	486	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	487	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	488	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	489	IF ( .NOT. neutral ) THEN
[1032]	490	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	491	ENDIF
[1010]	492	#endif
	493
[673]	494	!
[707]	495	!-- Following array is required for perturbation pressure within the iterative
	496	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	497	!-- the weighted average of the substeps and cannot be used in the Poisson
	498	!-- solver.
	499	IF ( psolver == 'sor' ) THEN
	500	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	501	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	502	!
	503	!-- For performance reasons, multigrid is using one ghost layer only
	504	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	505	ENDIF
[1]	506
[1111]	507	!
	508	!-- Array for storing constant coeffficients of the tridiagonal solver
	509	IF ( psolver == 'poisfft' ) THEN
[1212]	510	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	511	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	512	ENDIF
	513
[1960]	514	IF ( humidity ) THEN
[1]	515	!
[1960]	516	!-- 2D-humidity
[1788]	517	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	518	qsws(nysg:nyng,nxlg:nxrg), &
[1001]	519	qswst(nysg:nyng,nxlg:nxrg) )
[1]	520
	521	!
[1960]	522	!-- 3D-humidity
[1010]	523	#if defined( __nopointer )
[1788]	524	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	525	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	526	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	527	#else
[1788]	528	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	529	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	530	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	531	#endif
[1]	532
	533	!
[1960]	534	!-- 3D-arrays needed for humidity
[75]	535	IF ( humidity ) THEN
[1010]	536	#if defined( __nopointer )
	537	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	538	#else
[667]	539	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	540	#endif
[1]	541
[1788]	542	IF ( cloud_physics ) THEN
[1053]	543
[1]	544	!
	545	!-- Liquid water content
[1010]	546	#if defined( __nopointer )
	547	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	548	#else
[667]	549	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	550	#endif
[72]	551	!
	552	!-- Precipitation amount and rate (only needed if output is switched)
[1788]	553	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
[667]	554	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	555
	556	!
[1822]	557	!-- 3D-cloud water content
[1053]	558	#if defined( __nopointer )
[1822]	559	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	560	#else
[1822]	561	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	562	#endif
[1822]	563	!
	564	!-- 3d-precipitation rate
	565	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	566
[1822]	567	IF ( microphysics_seifert ) THEN
[1053]	568	!
[1822]	569	!-- 2D-rain water content and rain drop concentration arrays
	570	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	571	qrsws(nysg:nyng,nxlg:nxrg), &
	572	qrswst(nysg:nyng,nxlg:nxrg), &
	573	nrs(nysg:nyng,nxlg:nxrg), &
	574	nrsws(nysg:nyng,nxlg:nxrg), &
	575	nrswst(nysg:nyng,nxlg:nxrg) )
[1115]	576	!
[1822]	577	!-- 3D-rain water content, rain drop concentration arrays
[1115]	578	#if defined( __nopointer )
[1822]	579	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	580	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	581	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	582	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	583	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	584	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	585	#else
[1822]	586	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	587	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	588	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	589	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	590	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	591	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1115]	592	#endif
[1822]	593	ENDIF
[1053]	594
[1]	595	ENDIF
	596
	597	IF ( cloud_droplets ) THEN
	598	!
[1010]	599	!-- Liquid water content, change in liquid water content
	600	#if defined( __nopointer )
[1788]	601	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	602	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	603	#else
[1788]	604	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	605	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	606	#endif
	607	!
	608	!-- Real volume of particles (with weighting), volume of particles
[1788]	609	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	610	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	611	ENDIF
	612
	613	ENDIF
	614
	615	ENDIF
[1960]	616
	617
	618	IF ( passive_scalar ) THEN
	619	!
	620	!-- 2D-scalar arrays
	621	ALLOCATE ( ss(nysg:nyng,nxlg:nxrg), &
	622	ssws(nysg:nyng,nxlg:nxrg), &
	623	sswst(nysg:nyng,nxlg:nxrg) )
[1]	624
[1960]	625	!
	626	!-- 3D scalar arrays
	627	#if defined( __nopointer )
	628	ALLOCATE( s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	629	s_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	630	ts_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	631	#else
	632	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	633	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	634	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	635	#endif
	636	ENDIF
	637
[94]	638	IF ( ocean ) THEN
[1788]	639	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
[1001]	640	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	641	#if defined( __nopointer )
[1788]	642	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[2031]	643	rho_ocean(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1788]	644	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	645	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	646	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	647	#else
[1788]	648	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	649	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	650	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	651	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	652	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	653	prho => prho_1
[2031]	654	rho_ocean => rho_1 ! routines calc_mean_profile and diffusion_e require
[388]	655	! density to be apointer
[1010]	656	#endif
[108]	657	IF ( humidity_remote ) THEN
[667]	658	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	659	qswst_remote = 0.0_wp
[108]	660	ENDIF
[94]	661	ENDIF
	662
[1]	663	!
[2037]	664	!-- Allocation of anelastic and Boussinesq approximation specific arrays
	665	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
	666	ALLOCATE( rho_air(nzb:nzt+1) )
	667	ALLOCATE( rho_air_zw(nzb:nzt+1) )
	668	ALLOCATE( drho_air(nzb:nzt+1) )
	669	ALLOCATE( drho_air_zw(nzb:nzt+1) )
	670
	671	!
	672	!-- Density profile calculation for anelastic approximation
	673	IF ( TRIM( approximation ) == 'anelastic' ) THEN
	674	t_surface = pt_surface * ( surface_pressure / 1000.0_wp )**( r_d / cp )
	675	DO k = nzb, nzt+1
	676	p_hydrostatic(k) = surface_pressure * 100.0_wp * &
	677	( 1 - ( g * zu(k) ) / ( cp * t_surface ) &
	678	)**( cp / r_d )
	679	rho_air(k) = ( p_hydrostatic(k) * &
	680	( 100000.0_wp / p_hydrostatic(k) &
	681	)**( r_d / cp ) &
	682	) / ( r_d * pt_init(k) )
	683	ENDDO
	684	DO k = nzb, nzt
	685	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	686	ENDDO
	687	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	688	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
	689	ELSE
	690	rho_air = 1.0_wp
	691	rho_air_zw = 1.0_wp
	692	ENDIF
	693
	694	!-- compute the inverse density array in order to avoid expencive divisions
	695	drho_air = 1.0_wp / rho_air
	696	drho_air_zw = 1.0_wp / rho_air_zw
	697
	698	!
	699	!-- Allocation of flux conversion arrays
	700	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
	701	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
	702	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
	703	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
	704	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
	705	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
	706
	707	!
	708	!-- calculate flux conversion factors according to approximation and in-/output mode
	709	DO k = nzb, nzt+1
	710
	711	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
	712	heatflux_input_conversion(k) = rho_air_zw(k)
	713	waterflux_input_conversion(k) = rho_air_zw(k)
	714	momentumflux_input_conversion(k) = rho_air_zw(k)
	715	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
	716	heatflux_input_conversion(k) = 1.0_wp / cp
	717	waterflux_input_conversion(k) = 1.0_wp / l_v
	718	momentumflux_input_conversion(k) = 1.0_wp
	719	ENDIF
	720
	721	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
	722	heatflux_output_conversion(k) = drho_air_zw(k)
	723	waterflux_output_conversion(k) = drho_air_zw(k)
	724	momentumflux_output_conversion(k) = drho_air_zw(k)
	725	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
	726	heatflux_output_conversion(k) = cp
	727	waterflux_output_conversion(k) = l_v
	728	momentumflux_output_conversion(k) = 1.0_wp
	729	ENDIF
	730
	731	IF ( .NOT. humidity ) THEN
	732	waterflux_input_conversion(k) = 1.0_wp
	733	waterflux_output_conversion(k) = 1.0_wp
	734	ENDIF
	735
	736	ENDDO
	737
	738	!
	739	!-- In case of multigrid method, compute grid lengths and grid factors for the
	740	!-- grid levels with respective density on each grid
	741	IF ( psolver(1:9) == 'multigrid' ) THEN
	742
	743	ALLOCATE( ddx2_mg(maximum_grid_level) )
	744	ALLOCATE( ddy2_mg(maximum_grid_level) )
	745	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
	746	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
	747	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
	748	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
	749	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
	750	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
	751	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
	752
	753	dzu_mg(:,maximum_grid_level) = dzu
	754	rho_air_mg(:,maximum_grid_level) = rho_air
	755	!
	756	!-- Next line to ensure an equally spaced grid.
	757	dzu_mg(1,maximum_grid_level) = dzu(2)
	758	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
	759	(rho_air(nzb) - rho_air(nzb+1))
	760
	761	dzw_mg(:,maximum_grid_level) = dzw
	762	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
	763	nzt_l = nzt
	764	DO l = maximum_grid_level-1, 1, -1
	765	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
	766	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
	767	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
	768	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))
	769	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
	770	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
	771	nzt_l = nzt_l / 2
	772	DO k = 2, nzt_l+1
	773	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
	774	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
	775	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
	776	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
	777	ENDDO
	778	ENDDO
	779
	780	nzt_l = nzt
	781	dx_l = dx
	782	dy_l = dy
	783	DO l = maximum_grid_level, 1, -1
	784	ddx2_mg(l) = 1.0_wp / dx_l**2
	785	ddy2_mg(l) = 1.0_wp / dy_l**2
	786	DO k = nzb+1, nzt_l
	787	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
	788	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
	789	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
	790	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
	791	ENDDO
	792	nzt_l = nzt_l / 2
	793	dx_l = dx_l * 2.0_wp
	794	dy_l = dy_l * 2.0_wp
	795	ENDDO
	796
	797	ENDIF
	798
	799	!
[1]	800	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	801	!-- particle velocities
[1831]	802	IF ( use_sgs_for_particles .OR. wang_kernel .OR. collision_turbulence &
	803	.OR. num_acc_per_node > 0 ) THEN
[1153]	804	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	805	ENDIF
	806
	807	!
[1299]	808	!-- 1D-array for large scale subsidence velocity
[1361]	809	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	810	ALLOCATE ( w_subs(nzb:nzt+1) )
	811	w_subs = 0.0_wp
	812	ENDIF
[1299]	813
	814	!
[1400]	815	!-- ID-array and state-space-array for the parallel random number generator
	816	IF ( random_generator == 'random-parallel' ) THEN
	817	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	818	ALLOCATE ( id_random_array(0:ny,0:nx) )
	819	seq_random_array = 0
	820	id_random_array = 0
	821	ENDIF
	822
	823	!
[51]	824	!-- 4D-array for storing the Rif-values at vertical walls
	825	IF ( topography /= 'flat' ) THEN
[667]	826	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	827	rif_wall = 0.0_wp
[51]	828	ENDIF
	829
	830	!
[106]	831	!-- Arrays to store velocity data from t-dt and the phase speeds which
	832	!-- are needed for radiation boundary conditions
[73]	833	IF ( outflow_l ) THEN
[1788]	834	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	835	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	836	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	837	ENDIF
	838	IF ( outflow_r ) THEN
[1788]	839	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	840	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	841	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	842	ENDIF
[106]	843	IF ( outflow_l .OR. outflow_r ) THEN
[1788]	844	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	845	c_w(nzb:nzt+1,nysg:nyng) )
[106]	846	ENDIF
[73]	847	IF ( outflow_s ) THEN
[1788]	848	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	849	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	850	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	851	ENDIF
	852	IF ( outflow_n ) THEN
[1788]	853	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	854	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	855	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	856	ENDIF
[106]	857	IF ( outflow_s .OR. outflow_n ) THEN
[1788]	858	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	859	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	860	ENDIF
[996]	861	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	862	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	863	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	864	ENDIF
[73]	865
[978]	866
[1010]	867	#if ! defined( __nopointer )
[73]	868	!
[1]	869	!-- Initial assignment of the pointers
[1001]	870	e => e_1; e_p => e_2; te_m => e_3
[1032]	871	IF ( .NOT. neutral ) THEN
	872	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	873	ELSE
	874	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	875	ENDIF
[1001]	876	u => u_1; u_p => u_2; tu_m => u_3
	877	v => v_1; v_p => v_2; tv_m => v_3
	878	w => w_1; w_p => w_2; tw_m => w_3
[1]	879
[1960]	880	IF ( humidity ) THEN
[1001]	881	q => q_1; q_p => q_2; tq_m => q_3
[1053]	882	IF ( humidity ) THEN
	883	vpt => vpt_1
	884	IF ( cloud_physics ) THEN
	885	ql => ql_1
[1822]	886	qc => qc_1
	887	IF ( microphysics_seifert ) THEN
	888	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	889	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
[1053]	890	ENDIF
	891	ENDIF
	892	ENDIF
[1001]	893	IF ( cloud_droplets ) THEN
	894	ql => ql_1
	895	ql_c => ql_2
[1]	896	ENDIF
[1001]	897	ENDIF
[1960]	898
	899	IF ( passive_scalar ) THEN
	900	s => s_1; s_p => s_2; ts_m => s_3
	901	ENDIF
[1]	902
[1001]	903	IF ( ocean ) THEN
	904	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	905	ENDIF
[1010]	906	#endif
[1]	907
	908	!
[1551]	909	!-- Allocate land surface model arrays
	910	IF ( land_surface ) THEN
[1817]	911	CALL lsm_init_arrays
[1551]	912	ENDIF
	913
	914	!
[1914]	915	!-- Allocate wind turbine model arrays
	916	IF ( wind_turbine ) THEN
	917	CALL wtm_init_arrays
	918	ENDIF
[1957]	919
	920	!
	921	!-- Initialize virtual flight measurements
	922	IF ( virtual_flight ) THEN
	923	CALL flight_init
	924	ENDIF
[1914]	925
	926	!
[709]	927	!-- Allocate arrays containing the RK coefficient for calculation of
	928	!-- perturbation pressure and turbulent fluxes. At this point values are
	929	!-- set for pressure calculation during initialization (where no timestep
	930	!-- is done). Further below the values needed within the timestep scheme
	931	!-- will be set.
[1788]	932	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	933	weight_pres(1:intermediate_timestep_count_max) )
[1340]	934	weight_substep = 1.0_wp
	935	weight_pres = 1.0_wp
[1918]	936	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	937
[1402]	938	CALL location_message( 'finished', .TRUE. )
[1918]	939
[673]	940	!
[1918]	941	!-- Initialize local summation arrays for routine flow_statistics.
	942	!-- This is necessary because they may not yet have been initialized when they
	943	!-- are called from flow_statistics (or - depending on the chosen model run -
	944	!-- are never initialized)
	945	sums_divnew_l = 0.0_wp
	946	sums_divold_l = 0.0_wp
	947	sums_l_l = 0.0_wp
	948	sums_up_fraction_l = 0.0_wp
	949	sums_wsts_bc_l = 0.0_wp
	950
	951
	952	!
[1]	953	!-- Initialize model variables
[1788]	954	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	955	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	956	!
	957	!-- First model run of a possible job queue.
	958	!-- Initial profiles of the variables must be computes.
	959	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	960
[1402]	961	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	962	!
	963	!-- Use solutions of the 1D model as initial profiles,
	964	!-- start 1D model
	965	CALL init_1d_model
	966	!
	967	!-- Transfer initial profiles to the arrays of the 3D model
[667]	968	DO i = nxlg, nxrg
	969	DO j = nysg, nyng
[1]	970	e(:,j,i) = e1d
	971	kh(:,j,i) = kh1d
	972	km(:,j,i) = km1d
	973	pt(:,j,i) = pt_init
	974	u(:,j,i) = u1d
	975	v(:,j,i) = v1d
	976	ENDDO
	977	ENDDO
	978
[1960]	979	IF ( humidity ) THEN
[667]	980	DO i = nxlg, nxrg
	981	DO j = nysg, nyng
[1]	982	q(:,j,i) = q_init
	983	ENDDO
	984	ENDDO
[1822]	985	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	986	DO i = nxlg, nxrg
	987	DO j = nysg, nyng
[1340]	988	qr(:,j,i) = 0.0_wp
	989	nr(:,j,i) = 0.0_wp
[1053]	990	ENDDO
	991	ENDDO
[1115]	992
[1053]	993	ENDIF
[1]	994	ENDIF
[1960]	995	IF ( passive_scalar ) THEN
	996	DO i = nxlg, nxrg
	997	DO j = nysg, nyng
	998	s(:,j,i) = s_init
	999	ENDDO
	1000	ENDDO
	1001	ENDIF
[1]	1002
	1003	IF ( .NOT. constant_diffusion ) THEN
[667]	1004	DO i = nxlg, nxrg
	1005	DO j = nysg, nyng
[1]	1006	e(:,j,i) = e1d
	1007	ENDDO
	1008	ENDDO
	1009	!
	1010	!-- Store initial profiles for output purposes etc.
	1011	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	1012
[1691]	1013	IF ( constant_flux_layer ) THEN
[1707]	1014	ol = ( zu(nzb+1) - zw(nzb) ) / ( rif1d(nzb+1) + 1.0E-20_wp )
[1340]	1015	ts = 0.0_wp ! could actually be computed more accurately in the
	1016	! 1D model. Update when opportunity arises.
[1]	1017	us = us1d
	1018	usws = usws1d
	1019	vsws = vsws1d
	1020	ELSE
[1340]	1021	ts = 0.0_wp ! must be set, because used in
[1691]	1022	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	1023	us = 0.0_wp
	1024	usws = 0.0_wp
	1025	vsws = 0.0_wp
[1]	1026	ENDIF
	1027
	1028	ELSE
[1340]	1029	e = 0.0_wp ! must be set, because used in
[1691]	1030	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min ! flowste
[1340]	1031	ts = 0.0_wp
	1032	us = 0.0_wp
	1033	usws = 0.0_wp
	1034	vsws = 0.0_wp
[1]	1035	ENDIF
[2037]	1036	uswst = top_momentumflux_u * momentumflux_input_conversion(nzt+1)
	1037	vswst = top_momentumflux_v * momentumflux_input_conversion(nzt+1)
[1]	1038
	1039	!
	1040	!-- In every case qs = 0.0 (see also pt)
	1041	!-- This could actually be computed more accurately in the 1D model.
	1042	!-- Update when opportunity arises!
[1960]	1043	IF ( humidity ) THEN
[1340]	1044	qs = 0.0_wp
[1822]	1045	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1046	qrs = 0.0_wp
	1047	nrs = 0.0_wp
[1053]	1048	ENDIF
	1049	ENDIF
[1960]	1050	!
	1051	!-- Initialize scaling parameter for passive scalar
	1052	IF ( passive_scalar ) ss = 0.0_wp
[1]	1053
	1054	!
[1762]	1055	!-- Inside buildings set velocities back to zero
[1]	1056	IF ( topography /= 'flat' ) THEN
[1762]	1057	DO i = nxlg, nxrg
	1058	DO j = nysg, nyng
[1340]	1059	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1060	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	1061	ENDDO
	1062	ENDDO
[667]	1063
[1]	1064	!
	1065	!-- WARNING: The extra boundary conditions set after running the
	1066	!-- ------- 1D model impose an error on the divergence one layer
	1067	!-- below the topography; need to correct later
	1068	!-- ATTENTION: Provisional correction for Piacsek & Williams
	1069	!-- --------- advection scheme: keep u and v zero one layer below
	1070	!-- the topography.
[667]	1071	IF ( ibc_uv_b == 1 ) THEN
	1072	!
[1]	1073	!-- Neumann condition
	1074	DO i = nxl-1, nxr+1
	1075	DO j = nys-1, nyn+1
	1076	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	1077	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	1078	ENDDO
	1079	ENDDO
	1080
	1081	ENDIF
	1082
	1083	ENDIF
	1084
[1402]	1085	CALL location_message( 'finished', .TRUE. )
[1384]	1086
[1788]	1087	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	1088	THEN
[1241]	1089
[1402]	1090	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	1091	!
[1241]	1092	!-- Overwrite initial profiles in case of nudging
[1788]	1093	IF ( nudging ) THEN
[1241]	1094	pt_init = ptnudge(:,1)
	1095	u_init = unudge(:,1)
	1096	v_init = vnudge(:,1)
[1960]	1097	IF ( humidity ) THEN ! is passive_scalar correct???
[1241]	1098	q_init = qnudge(:,1)
	1099	ENDIF
	1100
[1788]	1101	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
[1241]	1102	'scalars from NUDGING_DATA are used.'
	1103	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	1104	ENDIF
	1105
	1106	!
[1]	1107	!-- Use constructed initial profiles (velocity constant with height,
	1108	!-- temperature profile with constant gradient)
[667]	1109	DO i = nxlg, nxrg
	1110	DO j = nysg, nyng
[1]	1111	pt(:,j,i) = pt_init
	1112	u(:,j,i) = u_init
	1113	v(:,j,i) = v_init
	1114	ENDDO
	1115	ENDDO
[75]	1116
[1]	1117	!
[292]	1118	!-- Set initial horizontal velocities at the lowest computational grid
	1119	!-- levels to zero in order to avoid too small time steps caused by the
	1120	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[1815]	1121	!-- in the limiting formula!).
	1122	IF ( ibc_uv_b /= 1 ) THEN
	1123	DO i = nxlg, nxrg
	1124	DO j = nysg, nyng
	1125	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	1126	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	1127	ENDDO
	1128	ENDDO
	1129	ENDIF
[1]	1130
[1960]	1131	IF ( humidity ) THEN
[667]	1132	DO i = nxlg, nxrg
	1133	DO j = nysg, nyng
[1]	1134	q(:,j,i) = q_init
	1135	ENDDO
	1136	ENDDO
[1822]	1137	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1115]	1138
[1822]	1139	DO i = nxlg, nxrg
	1140	DO j = nysg, nyng
	1141	qr(:,j,i) = 0.0_wp
	1142	nr(:,j,i) = 0.0_wp
[1053]	1143	ENDDO
[1822]	1144	ENDDO
[1115]	1145
[1053]	1146	ENDIF
[1]	1147	ENDIF
[1960]	1148
	1149	IF ( passive_scalar ) THEN
	1150	DO i = nxlg, nxrg
	1151	DO j = nysg, nyng
	1152	s(:,j,i) = s_init
	1153	ENDDO
	1154	ENDDO
	1155	ENDIF
[1]	1156
[94]	1157	IF ( ocean ) THEN
[667]	1158	DO i = nxlg, nxrg
	1159	DO j = nysg, nyng
[94]	1160	sa(:,j,i) = sa_init
	1161	ENDDO
	1162	ENDDO
	1163	ENDIF
[1]	1164
	1165	IF ( constant_diffusion ) THEN
	1166	km = km_constant
	1167	kh = km / prandtl_number
[1340]	1168	e = 0.0_wp
	1169	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	1170	DO k = nzb+1, nzt
[1340]	1171	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	1172	ENDDO
	1173	km(nzb,:,:) = km(nzb+1,:,:)
	1174	km(nzt+1,:,:) = km(nzt,:,:)
	1175	kh = km / prandtl_number
	1176	e = e_init
[1]	1177	ELSE
[108]	1178	IF ( .NOT. ocean ) THEN
[1340]	1179	kh = 0.01_wp ! there must exist an initial diffusion, because
	1180	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	1181	! production terms, as long as not yet
	1182	! e = (u/cm)*2 at k=nzb+1
	1183	ELSE
[1340]	1184	kh = 0.00001_wp
	1185	km = 0.00001_wp
[108]	1186	ENDIF
[1340]	1187	e = 0.0_wp
[1]	1188	ENDIF
[1691]	1189	ol = ( zu(nzb+1) - zw(nzb) ) / zeta_min
[1340]	1190	ts = 0.0_wp
[1920]	1191	!
	1192	!-- Very small number is required for calculation of Obukhov length
	1193	!-- at first timestep
	1194	us = 1E-30_wp
[1340]	1195	usws = 0.0_wp
[2037]	1196	uswst = top_momentumflux_u * momentumflux_input_conversion(nzt+1)
[1340]	1197	vsws = 0.0_wp
[2037]	1198	vswst = top_momentumflux_v * momentumflux_input_conversion(nzt+1)
[1960]	1199	IF ( humidity ) qs = 0.0_wp
	1200	IF ( passive_scalar ) ss = 0.0_wp
[1]	1201
	1202	!
	1203	!-- Compute initial temperature field and other constants used in case
	1204	!-- of a sloping surface
	1205	IF ( sloping_surface ) CALL init_slope
	1206
[1402]	1207	CALL location_message( 'finished', .TRUE. )
[1384]	1208
[1788]	1209	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	1210	THEN
[1384]	1211
[1402]	1212	CALL location_message( 'initializing by user', .FALSE. )
[46]	1213	!
	1214	!-- Initialization will completely be done by the user
	1215	CALL user_init_3d_model
	1216
[1402]	1217	CALL location_message( 'finished', .TRUE. )
[1384]	1218
[1]	1219	ENDIF
[1384]	1220
[1402]	1221	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	1222	.FALSE. )
[1384]	1223
[667]	1224	!
	1225	!-- Bottom boundary
	1226	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	1227	u(nzb,:,:) = 0.0_wp
	1228	v(nzb,:,:) = 0.0_wp
[667]	1229	ENDIF
[1]	1230
	1231	!
[151]	1232	!-- Apply channel flow boundary condition
[132]	1233	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	1234	u(nzt+1,:,:) = 0.0_wp
	1235	v(nzt+1,:,:) = 0.0_wp
[132]	1236	ENDIF
	1237
	1238	!
[1]	1239	!-- Calculate virtual potential temperature
[1960]	1240	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	1241
	1242	!
	1243	!-- Store initial profiles for output purposes etc.
	1244	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	1245	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	1246	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	1247	hom(nzb,1,5,:) = 0.0_wp
	1248	hom(nzb,1,6,:) = 0.0_wp
[1]	1249	ENDIF
	1250	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1251	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	1252	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	1253
[97]	1254	IF ( ocean ) THEN
	1255	!
	1256	!-- Store initial salinity profile
	1257	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	1258	ENDIF
[1]	1259
[75]	1260	IF ( humidity ) THEN
[1]	1261	!
	1262	!-- Store initial profile of total water content, virtual potential
	1263	!-- temperature
	1264	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1265	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	1266	IF ( cloud_physics .OR. cloud_droplets ) THEN
	1267	!
	1268	!-- Store initial profile of specific humidity and potential
	1269	!-- temperature
	1270	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1271	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1272	ENDIF
	1273	ENDIF
	1274
	1275	IF ( passive_scalar ) THEN
	1276	!
	1277	!-- Store initial scalar profile
[1960]	1278	hom(:,1,115,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
[1]	1279	ENDIF
	1280
	1281	!
[1400]	1282	!-- Initialize the random number generators (from numerical recipes)
	1283	CALL random_function_ini
[1429]	1284
[1400]	1285	IF ( random_generator == 'random-parallel' ) THEN
[1429]	1286	!-- Asigning an ID to every vertical gridpoint column
	1287	!-- dependig on the ensemble run number.
	1288	random_dummy=1
[1400]	1289	DO j=0,ny
	1290	DO i=0,nx
[1788]	1291	id_random_array(j,i) = random_dummy + 1E6 &
	1292	* ( ensemble_member_nr - 1000 )
[1429]	1293	random_dummy = random_dummy + 1
[1400]	1294	END DO
	1295	ENDDO
[1429]	1296	!-- Initializing with random_seed_parallel for every vertical
	1297	!-- gridpoint column.
	1298	random_dummy=0
[1400]	1299	DO j = nysg, nyng
	1300	DO i = nxlg, nxrg
	1301	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	1302	CALL random_number_parallel (random_dummy)
	1303	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	1304	END DO
	1305	ENDDO
	1306	ENDIF
	1307
	1308	!
[19]	1309	!-- Initialize fluxes at bottom surface
[1]	1310	IF ( use_surface_fluxes ) THEN
	1311
	1312	IF ( constant_heatflux ) THEN
	1313	!
	1314	!-- Heat flux is prescribed
	1315	IF ( random_heatflux ) THEN
	1316	CALL disturb_heatflux
	1317	ELSE
[2037]	1318	shf = surface_heatflux * heatflux_input_conversion(nzb)
[1]	1319	!
[1241]	1320	!-- Initialize shf with data from external file LSF_DATA
[1788]	1321	IF ( large_scale_forcing .AND. lsf_surf ) THEN
[1241]	1322	CALL ls_forcing_surf ( simulated_time )
	1323	ENDIF
	1324
	1325	!
[1]	1326	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1327	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1328	DO i = nxlg, nxrg
	1329	DO j = nysg, nyng
[1]	1330	IF ( nzb_s_inner(j,i) /= 0 ) THEN
[2037]	1331	shf(j,i) = wall_heatflux(0) &
	1332	* heatflux_input_conversion(nzb_s_inner(j,i))
[1]	1333	ENDIF
	1334	ENDDO
	1335	ENDDO
	1336	ENDIF
	1337	ENDIF
	1338	ENDIF
	1339
	1340	!
	1341	!-- Determine the near-surface water flux
[1960]	1342	IF ( humidity ) THEN
[1822]	1343	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1344	qrsws = 0.0_wp
	1345	nrsws = 0.0_wp
[1053]	1346	ENDIF
[1]	1347	IF ( constant_waterflux ) THEN
[2037]	1348	qsws = surface_waterflux * waterflux_input_conversion(nzb)
[407]	1349	!
	1350	!-- Over topography surface_waterflux is replaced by
	1351	!-- wall_humidityflux(0)
	1352	IF ( TRIM( topography ) /= 'flat' ) THEN
	1353	wall_qflux = wall_humidityflux
[667]	1354	DO i = nxlg, nxrg
	1355	DO j = nysg, nyng
[407]	1356	IF ( nzb_s_inner(j,i) /= 0 ) THEN
[2037]	1357	qsws(j,i) = wall_qflux(0) &
	1358	* waterflux_input_conversion(nzb_s_inner(j,i))
[407]	1359	ENDIF
	1360	ENDDO
	1361	ENDDO
	1362	ENDIF
[1]	1363	ENDIF
	1364	ENDIF
[1960]	1365	!
	1366	!-- Initialize the near-surface scalar flux
	1367	IF ( passive_scalar ) THEN
	1368	IF ( constant_scalarflux ) THEN
	1369	ssws = surface_scalarflux
	1370	!
	1371	!-- Over topography surface_scalarflux is replaced by
	1372	!-- wall_scalarflux(0)
	1373	IF ( TRIM( topography ) /= 'flat' ) THEN
	1374	wall_sflux = wall_scalarflux
	1375	DO i = nxlg, nxrg
	1376	DO j = nysg, nyng
	1377	IF ( nzb_s_inner(j,i) /= 0 ) ssws(j,i) = wall_sflux(0)
	1378	ENDDO
	1379	ENDDO
	1380	ENDIF
	1381	ENDIF
[1992]	1382	ENDIF
	1383	!
	1384	!-- Initialize near-surface salinity flux
	1385	IF ( ocean ) saswsb = bottom_salinityflux
[1]	1386
	1387	ENDIF
	1388
	1389	!
[19]	1390	!-- Initialize fluxes at top surface
[94]	1391	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1392	!-- The latent flux is zero in this case!
[19]	1393	IF ( use_top_fluxes ) THEN
	1394	!
[1992]	1395	!-- Prescribe to heat flux
[2037]	1396	IF ( constant_top_heatflux ) tswst = top_heatflux &
	1397	* heatflux_input_conversion(nzt+1)
[1992]	1398	!
	1399	!-- Prescribe zero latent flux at the top
	1400	IF ( humidity ) THEN
	1401	qswst = 0.0_wp
	1402	IF ( cloud_physics .AND. microphysics_seifert ) THEN
	1403	nrswst = 0.0_wp
	1404	qrswst = 0.0_wp
[1053]	1405	ENDIF
[102]	1406	ENDIF
	1407	!
[1992]	1408	!-- Prescribe top scalar flux
	1409	IF ( passive_scalar .AND. constant_top_scalarflux ) &
	1410	sswst = top_scalarflux
	1411	!
	1412	!-- Prescribe top salinity flux
	1413	IF ( ocean .AND. constant_top_salinityflux) &
	1414	saswst = top_salinityflux
	1415	!
[102]	1416	!-- Initialization in case of a coupled model run
	1417	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1418	tswst = 0.0_wp
[102]	1419	ENDIF
	1420
[19]	1421	ENDIF
	1422
	1423	!
[1]	1424	!-- Initialize Prandtl layer quantities
[1691]	1425	IF ( constant_flux_layer ) THEN
[1]	1426
	1427	z0 = roughness_length
[978]	1428	z0h = z0h_factor * z0
[1788]	1429	z0q = z0h_factor * z0
[1]	1430
	1431	IF ( .NOT. constant_heatflux ) THEN
	1432	!
	1433	!-- Surface temperature is prescribed. Here the heat flux cannot be
[1691]	1434	!-- simply estimated, because therefore ol, u* and theta* would have
[1]	1435	!-- to be computed by iteration. This is why the heat flux is assumed
	1436	!-- to be zero before the first time step. It approaches its correct
	1437	!-- value in the course of the first few time steps.
[1340]	1438	shf = 0.0_wp
[1]	1439	ENDIF
	1440
[1960]	1441	IF ( humidity ) THEN
[1788]	1442	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1822]	1443	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1444	qrsws = 0.0_wp
	1445	nrsws = 0.0_wp
[1053]	1446	ENDIF
[1]	1447	ENDIF
[1960]	1448	IF ( passive_scalar .AND. .NOT. constant_scalarflux ) ssws = 0.0_wp
[1]	1449
	1450	ENDIF
	1451
[1179]	1452	!
	1453	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1454	!-- the reference state will be set (overwritten) in init_ocean)
	1455	IF ( use_single_reference_value ) THEN
[1788]	1456	IF ( .NOT. humidity ) THEN
[1179]	1457	ref_state(:) = pt_reference
	1458	ELSE
	1459	ref_state(:) = vpt_reference
	1460	ENDIF
	1461	ELSE
[1788]	1462	IF ( .NOT. humidity ) THEN
[1179]	1463	ref_state(:) = pt_init(:)
	1464	ELSE
	1465	ref_state(:) = vpt(:,nys,nxl)
	1466	ENDIF
	1467	ENDIF
[152]	1468
	1469	!
[707]	1470	!-- For the moment, vertical velocity is zero
[1340]	1471	w = 0.0_wp
[1]	1472
	1473	!
	1474	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1475	sums = 0.0_wp
[1]	1476
	1477	!
[707]	1478	!-- In case of iterative solvers, p must get an initial value
[1575]	1479	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1480
	1481	!
[72]	1482	!-- Treating cloud physics, liquid water content and precipitation amount
	1483	!-- are zero at beginning of the simulation
	1484	IF ( cloud_physics ) THEN
[1340]	1485	ql = 0.0_wp
[1822]	1486	qc = 0.0_wp
	1487
	1488	precipitation_amount = 0.0_wp
[72]	1489	ENDIF
[673]	1490	!
[1]	1491	!-- Impose vortex with vertical axis on the initial velocity profile
	1492	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1493	CALL init_rankine
	1494	ENDIF
	1495
	1496	!
	1497	!-- Impose temperature anomaly (advection test only)
	1498	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1499	CALL init_pt_anomaly
	1500	ENDIF
	1501
	1502	!
	1503	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1504	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1505	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1506	ENDIF
	1507
	1508	!
	1509	!-- If required, change the surface humidity/scalar at the start of the 3D
	1510	!-- run
[1960]	1511	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
[1]	1512	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
[1960]	1513
	1514	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
	1515	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
	1516
[1]	1517
	1518	!
	1519	!-- Initialize old and new time levels.
[1340]	1520	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]	1521	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1522
[1960]	1523	IF ( humidity ) THEN
[1340]	1524	tq_m = 0.0_wp
[1]	1525	q_p = q
[1822]	1526	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1527	tqr_m = 0.0_wp
[1822]	1528	qr_p = qr
[1340]	1529	tnr_m = 0.0_wp
[1822]	1530	nr_p = nr
[1053]	1531	ENDIF
[1]	1532	ENDIF
[1960]	1533
	1534	IF ( passive_scalar ) THEN
	1535	ts_m = 0.0_wp
	1536	s_p = s
	1537	ENDIF
[1]	1538
[94]	1539	IF ( ocean ) THEN
[1340]	1540	tsa_m = 0.0_wp
[94]	1541	sa_p = sa
	1542	ENDIF
[667]	1543
[1402]	1544	CALL location_message( 'finished', .TRUE. )
[94]	1545
[1788]	1546	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
	1547	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1548	THEN
[1384]	1549
[1402]	1550	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1551	.FALSE. )
[1]	1552	!
[767]	1553	!-- When reading data for cyclic fill of 3D prerun data files, read
	1554	!-- some of the global variables from the restart file which are required
	1555	!-- for initializing the inflow
[328]	1556	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1557
[759]	1558	DO i = 0, io_blocks-1
	1559	IF ( i == io_group ) THEN
	1560	CALL read_parts_of_var_list
	1561	CALL close_file( 13 )
	1562	ENDIF
	1563	#if defined( __parallel )
	1564	CALL MPI_BARRIER( comm2d, ierr )
	1565	#endif
	1566	ENDDO
[328]	1567
[767]	1568	ENDIF
	1569
[151]	1570	!
[767]	1571	!-- Read binary data from restart file
	1572	DO i = 0, io_blocks-1
	1573	IF ( i == io_group ) THEN
	1574	CALL read_3d_binary
	1575	ENDIF
	1576	#if defined( __parallel )
	1577	CALL MPI_BARRIER( comm2d, ierr )
	1578	#endif
	1579	ENDDO
	1580
[328]	1581	!
[767]	1582	!-- Initialization of the turbulence recycling method
[1788]	1583	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1584	turbulent_inflow ) THEN
	1585	!
	1586	!-- First store the profiles to be used at the inflow.
	1587	!-- These profiles are the (temporally) and horizontally averaged vertical
	1588	!-- profiles from the prerun. Alternatively, prescribed profiles
	1589	!-- for u,v-components can be used.
[1960]	1590	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,7) )
[151]	1591
[767]	1592	IF ( use_prescribed_profile_data ) THEN
	1593	mean_inflow_profiles(:,1) = u_init ! u
	1594	mean_inflow_profiles(:,2) = v_init ! v
	1595	ELSE
[328]	1596	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1597	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1598	ENDIF
	1599	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1600	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[1960]	1601	IF ( humidity ) &
	1602	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
	1603	IF ( passive_scalar ) &
	1604	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
[151]	1605
	1606	!
[767]	1607	!-- If necessary, adjust the horizontal flow field to the prescribed
	1608	!-- profiles
	1609	IF ( use_prescribed_profile_data ) THEN
	1610	DO i = nxlg, nxrg
[667]	1611	DO j = nysg, nyng
[328]	1612	DO k = nzb, nzt+1
[767]	1613	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1614	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1615	ENDDO
[151]	1616	ENDDO
[767]	1617	ENDDO
	1618	ENDIF
[151]	1619
	1620	!
[767]	1621	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1622	!-- conditions are used)
	1623	IF ( inflow_l ) THEN
	1624	DO j = nysg, nyng
	1625	DO k = nzb, nzt+1
	1626	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1627	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1628	w(k,j,nxlg:-1) = 0.0_wp
[767]	1629	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1630	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[1960]	1631	IF ( humidity ) &
[1615]	1632	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[1960]	1633	IF ( passive_scalar ) &
	1634	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
[767]	1635	ENDDO
	1636	ENDDO
	1637	ENDIF
	1638
[151]	1639	!
[767]	1640	!-- Calculate the damping factors to be used at the inflow. For a
	1641	!-- turbulent inflow the turbulent fluctuations have to be limited
	1642	!-- vertically because otherwise the turbulent inflow layer will grow
	1643	!-- in time.
[1340]	1644	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1645	!
	1646	!-- Default: use the inversion height calculated by the prerun; if
	1647	!-- this is zero, inflow_damping_height must be explicitly
	1648	!-- specified.
[1340]	1649	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1650	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1651	ELSE
[1788]	1652	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1653	'explicitly specified because&the inversion height ', &
[767]	1654	'calculated by the prerun is zero.'
	1655	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1656	ENDIF
[151]	1657
[767]	1658	ENDIF
	1659
[1340]	1660	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1661	!
[767]	1662	!-- Default for the transition range: one tenth of the undamped
	1663	!-- layer
[1340]	1664	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1665
[767]	1666	ENDIF
[151]	1667
[767]	1668	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1669
[767]	1670	DO k = nzb, nzt+1
[151]	1671
[767]	1672	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1673	inflow_damping_factor(k) = 1.0_wp
[996]	1674	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1675	inflow_damping_factor(k) = 1.0_wp - &
[996]	1676	( zu(k) - inflow_damping_height ) / &
	1677	inflow_damping_width
[767]	1678	ELSE
[1340]	1679	inflow_damping_factor(k) = 0.0_wp
[767]	1680	ENDIF
[151]	1681
[767]	1682	ENDDO
[151]	1683
[147]	1684	ENDIF
	1685
[152]	1686	!
[359]	1687	!-- Inside buildings set velocities and TKE back to zero
[1788]	1688	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1689	topography /= 'flat' ) THEN
	1690	!
	1691	!-- Inside buildings set velocities and TKE back to zero.
	1692	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1693	!-- maybe revise later.
[1001]	1694	DO i = nxlg, nxrg
	1695	DO j = nysg, nyng
[1340]	1696	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1697	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1698	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1699	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1700	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1701	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1702	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1703	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1704	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1705	ENDDO
[1001]	1706	ENDDO
[359]	1707
	1708	ENDIF
	1709
	1710	!
[1]	1711	!-- Calculate initial temperature field and other constants used in case
	1712	!-- of a sloping surface
	1713	IF ( sloping_surface ) CALL init_slope
	1714
	1715	!
	1716	!-- Initialize new time levels (only done in order to set boundary values
	1717	!-- including ghost points)
	1718	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1960]	1719	IF ( humidity ) THEN
[1053]	1720	q_p = q
[1822]	1721	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1053]	1722	qr_p = qr
	1723	nr_p = nr
	1724	ENDIF
	1725	ENDIF
[1960]	1726	IF ( passive_scalar ) s_p = s
	1727	IF ( ocean ) sa_p = sa
[1]	1728
[181]	1729	!
	1730	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1731	!-- have to be predefined here because they are used (but multiplied with 0)
	1732	!-- there before they are set.
[1340]	1733	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]	1734	IF ( humidity ) THEN
[1340]	1735	tq_m = 0.0_wp
[1822]	1736	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1340]	1737	tqr_m = 0.0_wp
	1738	tnr_m = 0.0_wp
[1053]	1739	ENDIF
	1740	ENDIF
[1960]	1741	IF ( passive_scalar ) ts_m = 0.0_wp
	1742	IF ( ocean ) tsa_m = 0.0_wp
[181]	1743
[1402]	1744	CALL location_message( 'finished', .TRUE. )
[1384]	1745
[1]	1746	ELSE
	1747	!
	1748	!-- Actually this part of the programm should not be reached
[254]	1749	message_string = 'unknown initializing problem'
	1750	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1751	ENDIF
	1752
[151]	1753
	1754	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1755	!
[151]	1756	!-- Initialize old timelevels needed for radiation boundary conditions
	1757	IF ( outflow_l ) THEN
	1758	u_m_l(:,:,:) = u(:,:,1:2)
	1759	v_m_l(:,:,:) = v(:,:,0:1)
	1760	w_m_l(:,:,:) = w(:,:,0:1)
	1761	ENDIF
	1762	IF ( outflow_r ) THEN
	1763	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1764	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1765	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1766	ENDIF
	1767	IF ( outflow_s ) THEN
	1768	u_m_s(:,:,:) = u(:,0:1,:)
	1769	v_m_s(:,:,:) = v(:,1:2,:)
	1770	w_m_s(:,:,:) = w(:,0:1,:)
	1771	ENDIF
	1772	IF ( outflow_n ) THEN
	1773	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1774	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1775	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1776	ENDIF
[667]	1777
[151]	1778	ENDIF
[680]	1779
[667]	1780	!
	1781	!-- Calculate the initial volume flow at the right and north boundary
[709]	1782	IF ( conserve_volume_flow ) THEN
[151]	1783
[767]	1784	IF ( use_prescribed_profile_data ) THEN
[667]	1785
[1340]	1786	volume_flow_initial_l = 0.0_wp
	1787	volume_flow_area_l = 0.0_wp
[732]	1788
[667]	1789	IF ( nxr == nx ) THEN
	1790	DO j = nys, nyn
[1845]	1791	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1792	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1793	u_init(k) * dzw(k)
	1794	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1795	ENDDO
	1796	ENDDO
	1797	ENDIF
	1798
	1799	IF ( nyn == ny ) THEN
	1800	DO i = nxl, nxr
[1845]	1801	DO k = nzb_v_inner(ny,i)+1, nzt
[767]	1802	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1803	v_init(k) * dzw(k)
	1804	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1805	ENDDO
	1806	ENDDO
	1807	ENDIF
	1808
	1809	#if defined( __parallel )
	1810	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1811	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1812	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1813	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1814
	1815	#else
	1816	volume_flow_initial = volume_flow_initial_l
	1817	volume_flow_area = volume_flow_area_l
	1818	#endif
	1819
	1820	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1821
[1340]	1822	volume_flow_initial_l = 0.0_wp
	1823	volume_flow_area_l = 0.0_wp
[767]	1824
	1825	IF ( nxr == nx ) THEN
	1826	DO j = nys, nyn
[1845]	1827	DO k = nzb_u_inner(j,nx)+1, nzt
[1788]	1828	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1829	hom_sum(k,1,0) * dzw(k)
	1830	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1831	ENDDO
	1832	ENDDO
	1833	ENDIF
	1834
	1835	IF ( nyn == ny ) THEN
	1836	DO i = nxl, nxr
[1845]	1837	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1838	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1839	hom_sum(k,2,0) * dzw(k)
[667]	1840	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1841	ENDDO
	1842	ENDDO
	1843	ENDIF
	1844
[732]	1845	#if defined( __parallel )
	1846	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1847	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1848	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1849	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1850
	1851	#else
	1852	volume_flow_initial = volume_flow_initial_l
	1853	volume_flow_area = volume_flow_area_l
	1854	#endif
	1855
[667]	1856	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1857
[1340]	1858	volume_flow_initial_l = 0.0_wp
	1859	volume_flow_area_l = 0.0_wp
[732]	1860
[667]	1861	IF ( nxr == nx ) THEN
	1862	DO j = nys, nyn
[1845]	1863	DO k = nzb_u_inner(j,nx)+1, nzt
[667]	1864	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1865	u(k,j,nx) * dzw(k)
[667]	1866	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1867	ENDDO
	1868	ENDDO
	1869	ENDIF
	1870
	1871	IF ( nyn == ny ) THEN
	1872	DO i = nxl, nxr
[1845]	1873	DO k = nzb_v_inner(ny,i)+1, nzt
[1788]	1874	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[667]	1875	v(k,ny,i) * dzw(k)
	1876	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1877	ENDDO
	1878	ENDDO
	1879	ENDIF
	1880
	1881	#if defined( __parallel )
[732]	1882	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1883	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1884	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1885	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1886
	1887	#else
[732]	1888	volume_flow_initial = volume_flow_initial_l
	1889	volume_flow_area = volume_flow_area_l
[667]	1890	#endif
	1891
[732]	1892	ENDIF
	1893
[151]	1894	!
[709]	1895	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1896	!-- from u\|v_bulk instead
[680]	1897	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1898	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1899	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1900	ENDIF
[667]	1901
[680]	1902	ENDIF
	1903
[787]	1904	!
	1905	!-- Initialize quantities for special advections schemes
	1906	CALL init_advec
[680]	1907
[667]	1908	!
[680]	1909	!-- Impose random perturbation on the horizontal velocity field and then
	1910	!-- remove the divergences from the velocity field at the initial stage
[1788]	1911	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1912	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1913	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1914
[1402]	1915	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1916	CALL disturb_field( nzb_u_inner, tend, u )
	1917	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1918	CALL location_message( 'finished', .TRUE. )
[1384]	1919
[1402]	1920	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1921	n_sor = nsor_ini
[1221]	1922	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1923	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1924	!$acc copyin( weight_pres, weight_substep ) &
	1925	!$acc copy( tri, tric, u, v, w )
[680]	1926	CALL pres
[1111]	1927	!$acc end data
[680]	1928	n_sor = nsor
[1402]	1929	CALL location_message( 'finished', .TRUE. )
[1384]	1930
[680]	1931	ENDIF
	1932
	1933	!
[1484]	1934	!-- If required, initialize quantities needed for the plant canopy model
[2007]	1935	IF ( plant_canopy ) THEN
	1936	CALL location_message( 'initializing plant canopy model', .FALSE. )
	1937	CALL pcm_init
	1938	CALL location_message( 'finished', .TRUE. )
	1939	ENDIF
[138]	1940
	1941	!
[1]	1942	!-- If required, initialize dvrp-software
[1340]	1943	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1944
[96]	1945	IF ( ocean ) THEN
[1]	1946	!
[96]	1947	!-- Initialize quantities needed for the ocean model
	1948	CALL init_ocean
[388]	1949
[96]	1950	ELSE
	1951	!
	1952	!-- Initialize quantities for handling cloud physics
[849]	1953	!-- This routine must be called before lpm_init, because
[96]	1954	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1955	!-- lpm_init) is not defined.
[96]	1956	CALL init_cloud_physics
[1849]	1957	!
	1958	!-- Initialize bulk cloud microphysics
	1959	CALL microphysics_init
[96]	1960	ENDIF
[1]	1961
	1962	!
	1963	!-- If required, initialize particles
[849]	1964	IF ( particle_advection ) CALL lpm_init
[1]	1965
[1585]	1966	!
	1967	!-- If required, initialize quantities needed for the LSM
	1968	IF ( land_surface ) THEN
	1969	CALL location_message( 'initializing land surface model', .FALSE. )
[1817]	1970	CALL lsm_init
[1585]	1971	CALL location_message( 'finished', .TRUE. )
	1972	ENDIF
[1496]	1973
[1]	1974	!
[1691]	1975	!-- Initialize surface layer (done after LSM as roughness length are required
	1976	!-- for initialization
	1977	IF ( constant_flux_layer ) THEN
	1978	CALL location_message( 'initializing surface layer', .FALSE. )
	1979	CALL init_surface_layer_fluxes
	1980	CALL location_message( 'finished', .TRUE. )
	1981	ENDIF
	1982
	1983	!
[1496]	1984	!-- If required, initialize radiation model
	1985	IF ( radiation ) THEN
[1585]	1986	CALL location_message( 'initializing radiation model', .FALSE. )
[1826]	1987	CALL radiation_init
[1585]	1988	CALL location_message( 'finished', .TRUE. )
[1496]	1989	ENDIF
[2007]	1990
[1914]	1991	!
[2007]	1992	!-- If required, initialize urban surface model
	1993	IF ( urban_surface ) THEN
	1994	CALL location_message( 'initializing urban surface model', .FALSE. )
	1995	CALL usm_init_urban_surface
	1996	CALL location_message( 'finished', .TRUE. )
	1997	ENDIF
	1998
	1999	!
[1914]	2000	!-- If required, initialize quantities needed for the wind turbine model
	2001	IF ( wind_turbine ) THEN
	2002	CALL location_message( 'initializing wind turbine model', .FALSE. )
	2003	CALL wtm_init
	2004	CALL location_message( 'finished', .TRUE. )
	2005	ENDIF
[1496]	2006
[1914]	2007
[1496]	2008	!
[673]	2009	!-- Initialize the ws-scheme.
	2010	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	2011
	2012	!
[709]	2013	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	2014	!-- and turbulent quantities from the RK substeps
[709]	2015	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	2016
[1322]	2017	weight_substep(1) = 1._wp/6._wp
	2018	weight_substep(2) = 3._wp/10._wp
	2019	weight_substep(3) = 8._wp/15._wp
[709]	2020
[1322]	2021	weight_pres(1) = 1._wp/3._wp
	2022	weight_pres(2) = 5._wp/12._wp
	2023	weight_pres(3) = 1._wp/4._wp
[709]	2024
	2025	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	2026
[1322]	2027	weight_substep(1) = 1._wp/2._wp
	2028	weight_substep(2) = 1._wp/2._wp
[673]	2029
[1322]	2030	weight_pres(1) = 1._wp/2._wp
	2031	weight_pres(2) = 1._wp/2._wp
[709]	2032
[1001]	2033	ELSE ! for Euler-method
[709]	2034
[1340]	2035	weight_substep(1) = 1.0_wp
	2036	weight_pres(1) = 1.0_wp
[709]	2037
[673]	2038	ENDIF
	2039
	2040	!
[1]	2041	!-- Initialize Rayleigh damping factors
[1340]	2042	rdf = 0.0_wp
	2043	rdf_sc = 0.0_wp
	2044	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[1788]	2045	IF ( .NOT. ocean ) THEN
[108]	2046	DO k = nzb+1, nzt
	2047	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	2048	rdf(k) = rayleigh_damping_factor * &
[1340]	2049	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	2050	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	2051	)**2
[108]	2052	ENDIF
	2053	ENDDO
	2054	ELSE
	2055	DO k = nzt, nzb+1, -1
	2056	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	2057	rdf(k) = rayleigh_damping_factor * &
[1340]	2058	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	2059	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	2060	)**2
	2061	ENDIF
	2062	ENDDO
	2063	ENDIF
[1]	2064	ENDIF
[785]	2065	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	2066
	2067	!
[240]	2068	!-- Initialize the starting level and the vertical smoothing factor used for
	2069	!-- the external pressure gradient
[1340]	2070	dp_smooth_factor = 1.0_wp
[240]	2071	IF ( dp_external ) THEN
	2072	!
	2073	!-- Set the starting level dp_level_ind_b only if it has not been set before
	2074	!-- (e.g. in init_grid).
	2075	IF ( dp_level_ind_b == 0 ) THEN
	2076	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	2077	dp_level_ind_b = ind_array(1) - 1 + nzb
	2078	! MINLOC uses lower array bound 1
	2079	ENDIF
	2080	IF ( dp_smooth ) THEN
[1340]	2081	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	2082	DO k = dp_level_ind_b+1, nzt
[1340]	2083	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	2084	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	2085	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	2086	ENDDO
	2087	ENDIF
	2088	ENDIF
	2089
	2090	!
[978]	2091	!-- Initialize damping zone for the potential temperature in case of
	2092	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	2093	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	2094	ptdf_x = 0.0_wp
	2095	ptdf_y = 0.0_wp
[1159]	2096	IF ( bc_lr_dirrad ) THEN
[996]	2097	DO i = nxl, nxr
[978]	2098	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	2099	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	2100	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	2101	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	2102	ENDIF
	2103	ENDDO
[1159]	2104	ELSEIF ( bc_lr_raddir ) THEN
[996]	2105	DO i = nxl, nxr
[978]	2106	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	2107	ptdf_x(i) = pt_damping_factor * &
[1340]	2108	SIN( pi * 0.5_wp * &
	2109	( ( i - nx ) * dx + pt_damping_width ) / &
	2110	REAL( pt_damping_width, KIND=wp ) )**2
[73]	2111	ENDIF
[978]	2112	ENDDO
[1159]	2113	ELSEIF ( bc_ns_dirrad ) THEN
[996]	2114	DO j = nys, nyn
[978]	2115	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	2116	ptdf_y(j) = pt_damping_factor * &
[1340]	2117	SIN( pi * 0.5_wp * &
	2118	( ( j - ny ) * dy + pt_damping_width ) / &
	2119	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2120	ENDIF
[978]	2121	ENDDO
[1159]	2122	ELSEIF ( bc_ns_raddir ) THEN
[996]	2123	DO j = nys, nyn
[978]	2124	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	2125	ptdf_y(j) = pt_damping_factor * &
[1340]	2126	SIN( pi * 0.5_wp * &
	2127	( pt_damping_width - j * dy ) / &
	2128	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2129	ENDIF
[73]	2130	ENDDO
[1]	2131	ENDIF
	2132
	2133	!
	2134	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	2135	!-- Ghost points are excluded because counting values at the ghost boundaries
	2136	!-- would bias the statistics
[1340]	2137	rmask = 1.0_wp
	2138	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	2139	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	2140
	2141	!
[51]	2142	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	2143	!-- of allowed timeseries is exceeded
[1]	2144	CALL user_init
	2145
[51]	2146	IF ( dots_num > dots_max ) THEN
[1788]	2147	WRITE( message_string, * ) 'number of time series quantities exceeds', &
	2148	' its maximum of dots_max = ', dots_max, &
[254]	2149	' &Please increase dots_max in modules.f90.'
	2150	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	2151	ENDIF
	2152
[1]	2153	!
	2154	!-- Input binary data file is not needed anymore. This line must be placed
	2155	!-- after call of user_init!
	2156	CALL close_file( 13 )
	2157
	2158	!
	2159	!-- Compute total sum of active mask grid points
[1738]	2160	!-- and the mean surface level height for each statistic region
[1]	2161	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	2162	!-- total domain
	2163	!-- ngp_3d: number of grid points of the total domain
[132]	2164	ngp_2dh_outer_l = 0
	2165	ngp_2dh_outer = 0
	2166	ngp_2dh_s_inner_l = 0
	2167	ngp_2dh_s_inner = 0
	2168	ngp_2dh_l = 0
	2169	ngp_2dh = 0
[1340]	2170	ngp_3d_inner_l = 0.0_wp
[132]	2171	ngp_3d_inner = 0
	2172	ngp_3d = 0
	2173	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	2174
[1738]	2175	mean_surface_level_height = 0.0_wp
	2176	mean_surface_level_height_l = 0.0_wp
	2177
[1]	2178	DO sr = 0, statistic_regions
	2179	DO i = nxl, nxr
	2180	DO j = nys, nyn
[1340]	2181	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	2182	!
	2183	!-- All xy-grid points
	2184	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
[1788]	2185	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) &
	2186	+ zw(nzb_s_inner(j,i))
[1]	2187	!
	2188	!-- xy-grid points above topography
	2189	DO k = nzb_s_outer(j,i), nz + 1
	2190	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	2191	ENDDO
[132]	2192	DO k = nzb_s_inner(j,i), nz + 1
	2193	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	2194	ENDDO
[1]	2195	!
	2196	!-- All grid points of the total domain above topography
[1788]	2197	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) &
	2198	+ ( nz - nzb_s_inner(j,i) + 2 )
[1]	2199	ENDIF
	2200	ENDDO
	2201	ENDDO
	2202	ENDDO
	2203
	2204	sr = statistic_regions + 1
	2205	#if defined( __parallel )
[622]	2206	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2207	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	2208	comm2d, ierr )
[622]	2209	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2210	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	2211	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2212	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2213	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	2214	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	2215	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2216	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	2217	MPI_SUM, comm2d, ierr )
[485]	2218	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2219	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[1788]	2220	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	2221	mean_surface_level_height(0), sr, MPI_REAL, &
[1738]	2222	MPI_SUM, comm2d, ierr )
	2223	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
[1]	2224	#else
[132]	2225	ngp_2dh = ngp_2dh_l
	2226	ngp_2dh_outer = ngp_2dh_outer_l
	2227	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	2228	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1738]	2229	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
[1]	2230	#endif
	2231
[560]	2232	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	2233	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	2234
	2235	!
	2236	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	2237	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	2238	!-- the respective subdomain lie below the surface topography
[667]	2239	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[1788]	2240	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
[631]	2241	ngp_3d_inner(:) )
[667]	2242	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	2243
[1788]	2244	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
[1738]	2245	ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	2246
[1402]	2247	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	2248
	2249	END SUBROUTINE init_3d_model

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