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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1745

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

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