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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1766

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

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