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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1996

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

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