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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1834

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

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