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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1849

Last change on this file since 1849 was 1849, checked in by hoffmann, 8 years ago
lpm_droplet_condensation improved, microphysics partially modularized
Property svn:keywords set to `Id`
File size: 69.8 KB

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

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