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source: palm/trunk/SOURCE/init_3d_model.f90 @ 2000

Last change on this file since 2000 was 2000, checked in by knoop, 8 years ago

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

File size: 74.2 KB

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

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