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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1299

Last change on this file since 1299 was 1299, checked in by heinze, 11 years ago
enable usage of large_scale subsidence in combination with large_scale_forcing
Property svn:keywords set to `Id`
File size: 66.6 KB

Rev	Line
[1]	1	#if defined( __ibmy_special )
	2	@PROCESS NOOPTimize
	3	#endif
	4	SUBROUTINE init_3d_model
	5
[1036]	6	!--------------------------------------------------------------------------------!
	7	! This file is part of PALM.
	8	!
	9	! PALM is free software: you can redistribute it and/or modify it under the terms
	10	! of the GNU General Public License as published by the Free Software Foundation,
	11	! either version 3 of the License, or (at your option) any later version.
	12	!
	13	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	14	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	15	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	16	!
	17	! You should have received a copy of the GNU General Public License along with
	18	! PALM. If not, see <http://www.gnu.org/licenses/>.
	19	!
	20	! Copyright 1997-2012 Leibniz University Hannover
	21	!--------------------------------------------------------------------------------!
	22	!
[254]	23	! Current revisions:
[732]	24	! ------------------
[1299]	25	! Allocate w_subs due to extension of large scale subsidence in combination
	26	! with large scale forcing data (LSF_DATA)
[1054]	27	!
	28	! Former revisions:
	29	! -----------------
	30	! $Id: init_3d_model.f90 1299 2014-03-06 13:15:21Z heinze $
	31	!
[1242]	32	! 1241 2013-10-30 11:36:58Z heinze
	33	! Overwrite initial profiles in case of nudging
	34	! Inititialize shf and qsws in case of large_scale_forcing
	35	!
[1222]	36	! 1221 2013-09-10 08:59:13Z raasch
	37	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	38	! copy
	39	!
[1213]	40	! 1212 2013-08-15 08:46:27Z raasch
	41	! array tri is allocated and included in data copy statement
	42	!
[1196]	43	! 1195 2013-07-01 12:27:57Z heinze
	44	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	45	!
[1182]	46	! 1179 2013-06-14 05:57:58Z raasch
	47	! allocate and set ref_state to be used in buoyancy terms
	48	!
[1172]	49	! 1171 2013-05-30 11:27:45Z raasch
	50	! diss array is allocated with full size if accelerator boards are used
	51	!
[1160]	52	! 1159 2013-05-21 11:58:22Z fricke
	53	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	54	!
[1154]	55	! 1153 2013-05-10 14:33:08Z raasch
	56	! diss array is allocated with dummy elements even if it is not needed
[1171]	57	! (required by PGI 13.4 / CUDA 5.0)
[1154]	58	!
[1116]	59	! 1115 2013-03-26 18:16:16Z hoffmann
	60	! unused variables removed
	61	!
[1114]	62	! 1113 2013-03-10 02:48:14Z raasch
	63	! openACC directive modified
	64	!
[1112]	65	! 1111 2013-03-08 23:54:10Z raasch
	66	! openACC directives added for pres
	67	! array diss allocated only if required
	68	!
[1093]	69	! 1092 2013-02-02 11:24:22Z raasch
	70	! unused variables removed
	71	!
[1066]	72	! 1065 2012-11-22 17:42:36Z hoffmann
	73	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	74	!
[1054]	75	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	76	! allocation and initialisation of necessary data arrays for the two-moment
	77	! cloud physics scheme the two new prognostic equations (nr, qr):
	78	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	79	! +tend_*, prr
[979]	80	!
[1037]	81	! 1036 2012-10-22 13:43:42Z raasch
	82	! code put under GPL (PALM 3.9)
	83	!
[1033]	84	! 1032 2012-10-21 13:03:21Z letzel
	85	! save memory by not allocating pt_2 in case of neutral = .T.
	86	!
[1026]	87	! 1025 2012-10-07 16:04:41Z letzel
	88	! bugfix: swap indices of mask for ghost boundaries
	89	!
[1017]	90	! 1015 2012-09-27 09:23:24Z raasch
	91	! mask is set to zero for ghost boundaries
	92	!
[1011]	93	! 1010 2012-09-20 07:59:54Z raasch
	94	! cpp switch __nopointer added for pointer free version
	95	!
[1004]	96	! 1003 2012-09-14 14:35:53Z raasch
	97	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	98	!
[1002]	99	! 1001 2012-09-13 14:08:46Z raasch
	100	! all actions concerning leapfrog scheme removed
	101	!
[997]	102	! 996 2012-09-07 10:41:47Z raasch
	103	! little reformatting
	104	!
[979]	105	! 978 2012-08-09 08:28:32Z fricke
[978]	106	! outflow damping layer removed
	107	! roughness length for scalar quantites z0h added
	108	! damping zone for the potential temperatur in case of non-cyclic lateral
	109	! boundaries added
	110	! initialization of ptdf_x, ptdf_y
	111	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	112	!
[850]	113	! 849 2012-03-15 10:35:09Z raasch
	114	! init_particles renamed lpm_init
	115	!
[826]	116	! 825 2012-02-19 03:03:44Z raasch
	117	! wang_collision_kernel renamed wang_kernel
	118	!
[791]	119	! 790 2011-11-29 03:11:20Z raasch
	120	! diss is also allocated in case that the Wang kernel is used
	121	!
[788]	122	! 787 2011-11-28 12:49:05Z heinze $
	123	! bugfix: call init_advec in every case - not only for inital runs
	124	!
[786]	125	! 785 2011-11-28 09:47:19Z raasch
	126	! initialization of rdf_sc
	127	!
[768]	128	! 767 2011-10-14 06:39:12Z raasch
	129	! adjustments concerning implementation of prescribed u,v-profiles
	130	! bugfix: dirichlet_0 conditions for ug/vg moved to check_parameters
	131	!
[760]	132	! 759 2011-09-15 13:58:31Z raasch
	133	! Splitting of parallel I/O in blocks of PEs
	134	! Bugfix: No zero assignments to volume_flow_initial and volume_flow_area in
	135	! case of normal restart runs.
	136	!
[714]	137	! 713 2011-03-30 14:21:21Z suehring
[732]	138	! weight_substep and weight_pres are given as fractions.
[714]	139	!
[710]	140	! 709 2011-03-30 09:31:40Z raasch
	141	! formatting adjustments
	142	!
[708]	143	! 707 2011-03-29 11:39:40Z raasch
[707]	144	! p_sub renamed p_loc and allocated depending on the chosen pressure solver,
	145	! initial assignments of zero to array p for iterative solvers only,
	146	! bc_lr/ns replaced by bc_lr/ns_dirrad/raddir
[674]	147	!
[708]	148	! 680 2011-02-04 23:16:06Z gryschka
[681]	149	! bugfix: volume_flow_control
[668]	150	!
[674]	151	! 673 2011-01-18 16:19:48Z suehring
	152	! weight_substep (moved from advec_ws) and weight_pres added.
	153	! Allocate p_sub when using Multigrid or SOR solver.
	154	! Call of ws_init moved behind the if requests.
	155	!
[668]	156	! 667 2010-12-23 12:06:00Z suehring/gryschka
[667]	157	! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng in loops and
	158	! allocation of arrays. Calls of exchange_horiz are modified.
[709]	159	! Call ws_init to initialize arrays needed for calculating statisticas and for
[667]	160	! optimization when ws-scheme is used.
	161	! Initial volume flow is now calculated by using the variable hom_sum.
	162	! Therefore the correction of initial volume flow for non-flat topography
	163	! removed (removed u_nzb_p1_for_vfc and v_nzb_p1_for_vfc)
	164	! Changed surface boundary conditions for u and v in case of ibc_uv_b == 0 from
[709]	165	! mirror to Dirichlet boundary conditions (u=v=0), so that k=nzb is
	166	! representative for the height z0.
[667]	167	! Bugfix: type conversion of '1' to 64bit for the MAX function (ngp_3d_inner)
	168	!
[623]	169	! 622 2010-12-10 08:08:13Z raasch
	170	! optional barriers included in order to speed up collective operations
	171	!
[561]	172	! 560 2010-09-09 10:06:09Z weinreis
	173	! bugfix: correction of calculating ngp_3d for 64 bit
	174	!
[486]	175	! 485 2010-02-05 10:57:51Z raasch
	176	! calculation of ngp_3d + ngp_3d_inner changed because they have now 64 bit
	177	!
[482]	178	! 407 2009-12-01 15:01:15Z maronga
	179	! var_ts is replaced by dots_max
	180	! Enabled passive scalar/humidity wall fluxes for non-flat topography
	181	!
[392]	182	! 388 2009-09-23 09:40:33Z raasch
[388]	183	! Initialization of prho added.
[359]	184	! bugfix: correction of initial volume flow for non-flat topography
	185	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	186	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	187	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	188	! independent of turbulent_inflow
[254]	189	! Output of messages replaced by message handling routine.
[240]	190	! Set the starting level and the vertical smoothing factor used for
	191	! the external pressure gradient
[254]	192	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	193	! and 'bulk_velocity'
[292]	194	! If the inversion height calculated by the prerun is zero,
	195	! inflow_damping_height must be explicitly specified.
[139]	196	!
[198]	197	! 181 2008-07-30 07:07:47Z raasch
	198	! bugfix: zero assignments to tendency arrays in case of restarts,
	199	! further extensions and modifications in the initialisation of the plant
	200	! canopy model,
	201	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	202	! after allocating theses arrays,
	203	! read data for recycling added as new initialization option,
	204	! dummy allocation for diss
	205	!
[139]	206	! 138 2007-11-28 10:03:58Z letzel
[132]	207	! New counter ngp_2dh_s_inner.
	208	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	209	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	210	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	211	!
[110]	212	! 108 2007-08-24 15:10:38Z letzel
	213	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	214	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	215	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	216	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	217	! TKE e_init
	218	!
[98]	219	! 97 2007-06-21 08:23:15Z raasch
	220	! Initialization of salinity, call of init_ocean
	221	!
[90]	222	! 87 2007-05-22 15:46:47Z raasch
	223	! var_hom and var_sum renamed pr_palm
	224	!
[77]	225	! 75 2007-03-22 09:54:05Z raasch
[73]	226	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	227	! bugfix for cases with the outflow damping layer extending over more than one
[75]	228	! subdomain, moisture renamed humidity,
	229	! new initializing action "by_user" calls user_init_3d_model,
[72]	230	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	231	! initial velocities at nzb+1 are regarded for volume
	232	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	233	! -uvmean_outflow, uxrp, vynp eliminated
[1]	234	!
[39]	235	! 19 2007-02-23 04:53:48Z raasch
	236	! +handling of top fluxes
	237	!
[3]	238	! RCS Log replace by Id keyword, revision history cleaned up
	239	!
[1]	240	! Revision 1.49 2006/08/22 15:59:07 raasch
	241	! No optimization of this file on the ibmy (Yonsei Univ.)
	242	!
	243	! Revision 1.1 1998/03/09 16:22:22 raasch
	244	! Initial revision
	245	!
	246	!
	247	! Description:
	248	! ------------
	249	! Allocation of arrays and initialization of the 3D model via
	250	! a) pre-run the 1D model
	251	! or
	252	! b) pre-set constant linear profiles
	253	! or
	254	! c) read values of a previous run
	255	!------------------------------------------------------------------------------!
	256
[667]	257	USE advec_ws
[1]	258	USE arrays_3d
	259	USE averaging
[72]	260	USE cloud_parameters
[1]	261	USE constants
	262	USE control_parameters
	263	USE cpulog
[978]	264	USE grid_variables
[1]	265	USE indices
	266	USE interfaces
[1241]	267	USE ls_forcing_mod
[1]	268	USE model_1d
[51]	269	USE netcdf_control
[1]	270	USE particle_attributes
	271	USE pegrid
	272	USE profil_parameter
	273	USE random_function_mod
	274	USE statistics
[1111]	275	USE transpose_indices
[1]	276
	277	IMPLICIT NONE
	278
[559]	279	INTEGER :: i, ind_array(1), j, k, sr
[1]	280
[485]	281	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l
[1]	282
[132]	283	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
[996]	284	ngp_2dh_s_inner_l
[1]	285
	286	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	287
[485]	288	REAL, DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l, ngp_3d_inner_tmp
[1]	289
[485]	290
[1]	291	!
	292	!-- Allocate arrays
	293	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	294	ngp_3d(0:statistic_regions), &
	295	ngp_3d_inner(0:statistic_regions), &
	296	ngp_3d_inner_l(0:statistic_regions), &
[485]	297	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	298	sums_divnew_l(0:statistic_regions), &
	299	sums_divold_l(0:statistic_regions) )
[1195]	300	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	301	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	302	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	303	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	304	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	305	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	306	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	307	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	308	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	309	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	310	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	311	ts_value(dots_max,0:statistic_regions) )
[978]	312	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	313
[1001]	314	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	315	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	316	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	317	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	318	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	319	z0h(nysg:nyng,nxlg:nxrg) )
[1]	320
[1010]	321	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	322	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	323	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	324	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	325	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	326
	327	#if defined( __nopointer )
	328	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	329	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	330	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	331	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	332	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	333	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	334	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	335	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	336	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	339	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	340	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	342	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	343	#else
	344	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	345	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	346	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	347	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	348	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	349	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	350	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	351	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	352	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	353	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	354	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	355	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	356	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	357	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	358	IF ( .NOT. neutral ) THEN
	359	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	360	ENDIF
[1010]	361	#endif
	362
[673]	363	!
[707]	364	!-- Following array is required for perturbation pressure within the iterative
	365	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	366	!-- the weighted average of the substeps and cannot be used in the Poisson
	367	!-- solver.
	368	IF ( psolver == 'sor' ) THEN
	369	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	370	ELSEIF ( psolver == 'multigrid' ) THEN
	371	!
	372	!-- For performance reasons, multigrid is using one ghost layer only
	373	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	374	ENDIF
[1]	375
[1111]	376	!
	377	!-- Array for storing constant coeffficients of the tridiagonal solver
	378	IF ( psolver == 'poisfft' ) THEN
[1212]	379	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	380	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	381	ENDIF
	382
[75]	383	IF ( humidity .OR. passive_scalar ) THEN
[1]	384	!
[75]	385	!-- 2D-humidity/scalar arrays
[1001]	386	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	387	qsws(nysg:nyng,nxlg:nxrg), &
	388	qswst(nysg:nyng,nxlg:nxrg) )
[1]	389
	390	!
[75]	391	!-- 3D-humidity/scalar arrays
[1010]	392	#if defined( __nopointer )
	393	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	394	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	395	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	396	#else
[667]	397	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	398	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	399	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	400	#endif
[1]	401
	402	!
[75]	403	!-- 3D-arrays needed for humidity only
	404	IF ( humidity ) THEN
[1010]	405	#if defined( __nopointer )
	406	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	407	#else
[667]	408	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	409	#endif
[1]	410
	411	IF ( cloud_physics ) THEN
[1053]	412
[1]	413	!
	414	!-- Liquid water content
[1010]	415	#if defined( __nopointer )
	416	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	417	#else
[667]	418	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	419	#endif
[72]	420	!
	421	!-- Precipitation amount and rate (only needed if output is switched)
[667]	422	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	423	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	424
	425	IF ( icloud_scheme == 0 ) THEN
	426	!
[1115]	427	!-- 1D-arrays
	428	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	429	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	430	!
[1115]	431	!-- 3D-cloud water content
[1053]	432	#if defined( __nopointer )
[1115]	433	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	434	#else
[1115]	435	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	436	#endif
	437	!
	438	!-- 3D-tendency arrays
[1115]	439	ALLOCATE( tend_pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	440	tend_q(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	441
	442	IF ( precipitation ) THEN
[1053]	443	!
[1115]	444	!-- 1D-arrays
	445	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
	446	!
	447	!
	448	!-- 3D-tendency arrays
	449	ALLOCATE( tend_nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	450	tend_qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	451	!
	452	!-- 2D-rain water content and rain drop concentration arrays
	453	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	454	qrsws(nysg:nyng,nxlg:nxrg), &
	455	qrswst(nysg:nyng,nxlg:nxrg), &
	456	nrs(nysg:nyng,nxlg:nxrg), &
	457	nrsws(nysg:nyng,nxlg:nxrg), &
	458	nrswst(nysg:nyng,nxlg:nxrg) )
	459	!
	460	!-- 3D-rain water content, rain drop concentration arrays
	461	#if defined( __nopointer )
	462	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	463	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	464	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	465	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	466	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	467	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	468	#else
	469	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	474	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	475	#endif
	476	!
	477	!-- 3d-precipitation rate
[1053]	478	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	479	ENDIF
	480
	481	ENDIF
[1]	482	ENDIF
	483
	484	IF ( cloud_droplets ) THEN
	485	!
[1010]	486	!-- Liquid water content, change in liquid water content
	487	#if defined( __nopointer )
	488	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	489	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	490	#else
[667]	491	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	492	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	493	#endif
	494	!
	495	!-- Real volume of particles (with weighting), volume of particles
	496	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	497	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	498	ENDIF
	499
	500	ENDIF
	501
	502	ENDIF
	503
[94]	504	IF ( ocean ) THEN
[1001]	505	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	506	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	507	#if defined( __nopointer )
	508	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	509	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	510	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	511	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	512	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	513	#else
[667]	514	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	515	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	516	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	517	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	518	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	519	prho => prho_1
	520	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	521	! density to be apointer
[1010]	522	#endif
[108]	523	IF ( humidity_remote ) THEN
[667]	524	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[108]	525	qswst_remote = 0.0
	526	ENDIF
[94]	527	ENDIF
	528
[1]	529	!
	530	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	531	!-- particle velocities
[1171]	532	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	533	num_acc_per_node > 0 ) THEN
[1153]	534	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	535	ENDIF
	536
	537	IF ( dt_dosp /= 9999999.9 ) THEN
	538	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	539	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	540	spectrum_x = 0.0
	541	spectrum_y = 0.0
[1]	542	ENDIF
	543
	544	!
[1299]	545	!-- 1D-array for large scale subsidence velocity
	546	IF ( large_scale_subsidence ) THEN
	547	ALLOCATE ( w_subs(nzb:nzt+1) )
	548	w_subs = 0.0
	549	ENDIF
	550
	551	!
[138]	552	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	553	IF ( plant_canopy ) THEN
[667]	554	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	555	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	556	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	557	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	558	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	559
	560	IF ( passive_scalar ) THEN
[996]	561	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	562	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	563	ENDIF
	564
	565	IF ( cthf /= 0.0 ) THEN
[996]	566	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	567	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	568	ENDIF
	569
[138]	570	ENDIF
	571
	572	!
[51]	573	!-- 4D-array for storing the Rif-values at vertical walls
	574	IF ( topography /= 'flat' ) THEN
[667]	575	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[51]	576	rif_wall = 0.0
	577	ENDIF
	578
	579	!
[106]	580	!-- Arrays to store velocity data from t-dt and the phase speeds which
	581	!-- are needed for radiation boundary conditions
[73]	582	IF ( outflow_l ) THEN
[667]	583	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	584	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	585	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	586	ENDIF
	587	IF ( outflow_r ) THEN
[667]	588	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	589	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	590	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	591	ENDIF
[106]	592	IF ( outflow_l .OR. outflow_r ) THEN
[667]	593	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	594	c_w(nzb:nzt+1,nysg:nyng) )
[106]	595	ENDIF
[73]	596	IF ( outflow_s ) THEN
[667]	597	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	598	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	599	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	600	ENDIF
	601	IF ( outflow_n ) THEN
[667]	602	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	603	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	604	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	605	ENDIF
[106]	606	IF ( outflow_s .OR. outflow_n ) THEN
[667]	607	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	608	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	609	ENDIF
[996]	610	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	611	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	612	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	613	ENDIF
[73]	614
[978]	615
[1010]	616	#if ! defined( __nopointer )
[73]	617	!
[1]	618	!-- Initial assignment of the pointers
[1001]	619	e => e_1; e_p => e_2; te_m => e_3
[1032]	620	IF ( .NOT. neutral ) THEN
	621	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	622	ELSE
	623	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	624	ENDIF
[1001]	625	u => u_1; u_p => u_2; tu_m => u_3
	626	v => v_1; v_p => v_2; tv_m => v_3
	627	w => w_1; w_p => w_2; tw_m => w_3
[1]	628
[1001]	629	IF ( humidity .OR. passive_scalar ) THEN
	630	q => q_1; q_p => q_2; tq_m => q_3
[1053]	631	IF ( humidity ) THEN
	632	vpt => vpt_1
	633	IF ( cloud_physics ) THEN
	634	ql => ql_1
	635	IF ( icloud_scheme == 0 ) THEN
[1115]	636	qc => qc_1
	637	IF ( precipitation ) THEN
	638	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	639	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	640	ENDIF
[1053]	641	ENDIF
	642	ENDIF
	643	ENDIF
[1001]	644	IF ( cloud_droplets ) THEN
	645	ql => ql_1
	646	ql_c => ql_2
[1]	647	ENDIF
[1001]	648	ENDIF
[1]	649
[1001]	650	IF ( ocean ) THEN
	651	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	652	ENDIF
[1010]	653	#endif
[1]	654
	655	!
[709]	656	!-- Allocate arrays containing the RK coefficient for calculation of
	657	!-- perturbation pressure and turbulent fluxes. At this point values are
	658	!-- set for pressure calculation during initialization (where no timestep
	659	!-- is done). Further below the values needed within the timestep scheme
	660	!-- will be set.
	661	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	662	weight_pres(1:intermediate_timestep_count_max) )
[709]	663	weight_substep = 1.0
	664	weight_pres = 1.0
	665	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	666
	667	!
[1]	668	!-- Initialize model variables
[147]	669	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	670	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	671	!
	672	!-- First model run of a possible job queue.
	673	!-- Initial profiles of the variables must be computes.
	674	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	675	!
	676	!-- Use solutions of the 1D model as initial profiles,
	677	!-- start 1D model
	678	CALL init_1d_model
	679	!
	680	!-- Transfer initial profiles to the arrays of the 3D model
[667]	681	DO i = nxlg, nxrg
	682	DO j = nysg, nyng
[1]	683	e(:,j,i) = e1d
	684	kh(:,j,i) = kh1d
	685	km(:,j,i) = km1d
	686	pt(:,j,i) = pt_init
	687	u(:,j,i) = u1d
	688	v(:,j,i) = v1d
	689	ENDDO
	690	ENDDO
	691
[75]	692	IF ( humidity .OR. passive_scalar ) THEN
[667]	693	DO i = nxlg, nxrg
	694	DO j = nysg, nyng
[1]	695	q(:,j,i) = q_init
	696	ENDDO
	697	ENDDO
[1115]	698	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	699	precipitation ) THEN
[1053]	700	DO i = nxlg, nxrg
	701	DO j = nysg, nyng
[1115]	702	qr(:,j,i) = 0.0
	703	nr(:,j,i) = 0.0
[1053]	704	ENDDO
	705	ENDDO
[1115]	706	!
	707	!-- Initialze nc_1d with default value
	708	nc_1d(:) = nc_const
	709
[1053]	710	ENDIF
[1]	711	ENDIF
	712
	713	IF ( .NOT. constant_diffusion ) THEN
[667]	714	DO i = nxlg, nxrg
	715	DO j = nysg, nyng
[1]	716	e(:,j,i) = e1d
	717	ENDDO
	718	ENDDO
	719	!
	720	!-- Store initial profiles for output purposes etc.
	721	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	722
	723	IF ( prandtl_layer ) THEN
	724	rif = rif1d(nzb+1)
	725	ts = 0.0 ! could actually be computed more accurately in the
	726	! 1D model. Update when opportunity arises.
	727	us = us1d
	728	usws = usws1d
	729	vsws = vsws1d
	730	ELSE
	731	ts = 0.0 ! must be set, because used in
	732	rif = 0.0 ! flowste
	733	us = 0.0
	734	usws = 0.0
	735	vsws = 0.0
	736	ENDIF
	737
	738	ELSE
	739	e = 0.0 ! must be set, because used in
	740	rif = 0.0 ! flowste
	741	ts = 0.0
	742	us = 0.0
	743	usws = 0.0
	744	vsws = 0.0
	745	ENDIF
[102]	746	uswst = top_momentumflux_u
	747	vswst = top_momentumflux_v
[1]	748
	749	!
	750	!-- In every case qs = 0.0 (see also pt)
	751	!-- This could actually be computed more accurately in the 1D model.
	752	!-- Update when opportunity arises!
[1053]	753	IF ( humidity .OR. passive_scalar ) THEN
	754	qs = 0.0
[1115]	755	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	756	precipitation ) THEN
[1053]	757	qrs = 0.0
	758	nrs = 0.0
	759	ENDIF
	760	ENDIF
[1]	761
	762	!
	763	!-- inside buildings set velocities back to zero
	764	IF ( topography /= 'flat' ) THEN
	765	DO i = nxl-1, nxr+1
	766	DO j = nys-1, nyn+1
	767	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	768	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	769	ENDDO
	770	ENDDO
[667]	771
[1]	772	!
	773	!-- WARNING: The extra boundary conditions set after running the
	774	!-- ------- 1D model impose an error on the divergence one layer
	775	!-- below the topography; need to correct later
	776	!-- ATTENTION: Provisional correction for Piacsek & Williams
	777	!-- --------- advection scheme: keep u and v zero one layer below
	778	!-- the topography.
[667]	779	IF ( ibc_uv_b == 1 ) THEN
	780	!
[1]	781	!-- Neumann condition
	782	DO i = nxl-1, nxr+1
	783	DO j = nys-1, nyn+1
	784	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	785	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	786	ENDDO
	787	ENDDO
	788
	789	ENDIF
	790
	791	ENDIF
	792
	793	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	794	THEN
[1241]	795
[1]	796	!
[1241]	797	!-- Overwrite initial profiles in case of nudging
	798	IF ( nudging ) THEN
	799	pt_init = ptnudge(:,1)
	800	u_init = unudge(:,1)
	801	v_init = vnudge(:,1)
	802	IF ( humidity .OR. passive_scalar ) THEN
	803	q_init = qnudge(:,1)
	804	ENDIF
	805
	806	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	807	'scalars from NUDGING_DATA are used.'
	808	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	809	ENDIF
	810
	811	!
[1]	812	!-- Use constructed initial profiles (velocity constant with height,
	813	!-- temperature profile with constant gradient)
[667]	814	DO i = nxlg, nxrg
	815	DO j = nysg, nyng
[1]	816	pt(:,j,i) = pt_init
	817	u(:,j,i) = u_init
	818	v(:,j,i) = v_init
	819	ENDDO
	820	ENDDO
[75]	821
[1]	822	!
[292]	823	!-- Set initial horizontal velocities at the lowest computational grid
	824	!-- levels to zero in order to avoid too small time steps caused by the
	825	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	826	!-- in the limiting formula!). The original values are stored to be later
	827	!-- used for volume flow control.
[667]	828	DO i = nxlg, nxrg
	829	DO j = nysg, nyng
[1]	830	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	831	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	832	ENDDO
	833	ENDDO
	834
[75]	835	IF ( humidity .OR. passive_scalar ) THEN
[667]	836	DO i = nxlg, nxrg
	837	DO j = nysg, nyng
[1]	838	q(:,j,i) = q_init
	839	ENDDO
	840	ENDDO
[1115]	841	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	842	!
	843	!-- Initialze nc_1d with default value
	844	nc_1d(:) = nc_const
	845
	846	IF ( precipitation ) THEN
	847	DO i = nxlg, nxrg
	848	DO j = nysg, nyng
	849	qr(:,j,i) = 0.0
	850	nr(:,j,i) = 0.0
	851	ENDDO
[1053]	852	ENDDO
[1115]	853	ENDIF
	854
[1053]	855	ENDIF
[1]	856	ENDIF
	857
[94]	858	IF ( ocean ) THEN
[667]	859	DO i = nxlg, nxrg
	860	DO j = nysg, nyng
[94]	861	sa(:,j,i) = sa_init
	862	ENDDO
	863	ENDDO
	864	ENDIF
[1]	865
	866	IF ( constant_diffusion ) THEN
	867	km = km_constant
	868	kh = km / prandtl_number
[108]	869	e = 0.0
	870	ELSEIF ( e_init > 0.0 ) THEN
	871	DO k = nzb+1, nzt
	872	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	873	ENDDO
	874	km(nzb,:,:) = km(nzb+1,:,:)
	875	km(nzt+1,:,:) = km(nzt,:,:)
	876	kh = km / prandtl_number
	877	e = e_init
[1]	878	ELSE
[108]	879	IF ( .NOT. ocean ) THEN
	880	kh = 0.01 ! there must exist an initial diffusion, because
	881	km = 0.01 ! otherwise no TKE would be produced by the
	882	! production terms, as long as not yet
	883	! e = (u/cm)*2 at k=nzb+1
	884	ELSE
	885	kh = 0.00001
	886	km = 0.00001
	887	ENDIF
	888	e = 0.0
[1]	889	ENDIF
[102]	890	rif = 0.0
	891	ts = 0.0
	892	us = 0.0
	893	usws = 0.0
	894	uswst = top_momentumflux_u
	895	vsws = 0.0
	896	vswst = top_momentumflux_v
[75]	897	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	898
	899	!
	900	!-- Compute initial temperature field and other constants used in case
	901	!-- of a sloping surface
	902	IF ( sloping_surface ) CALL init_slope
	903
[46]	904	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	905	THEN
	906	!
	907	!-- Initialization will completely be done by the user
	908	CALL user_init_3d_model
	909
[1]	910	ENDIF
[667]	911	!
	912	!-- Bottom boundary
	913	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
	914	u(nzb,:,:) = 0.0
	915	v(nzb,:,:) = 0.0
	916	ENDIF
[1]	917
	918	!
[151]	919	!-- Apply channel flow boundary condition
[132]	920	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	921	u(nzt+1,:,:) = 0.0
	922	v(nzt+1,:,:) = 0.0
	923	ENDIF
	924
	925	!
[1]	926	!-- Calculate virtual potential temperature
[75]	927	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	928
	929	!
	930	!-- Store initial profiles for output purposes etc.
	931	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	932	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	933	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
	934	hom(nzb,1,5,:) = 0.0
	935	hom(nzb,1,6,:) = 0.0
[1]	936	ENDIF
	937	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	938	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	939	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	940
[97]	941	IF ( ocean ) THEN
	942	!
	943	!-- Store initial salinity profile
	944	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	945	ENDIF
[1]	946
[75]	947	IF ( humidity ) THEN
[1]	948	!
	949	!-- Store initial profile of total water content, virtual potential
	950	!-- temperature
	951	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	952	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	953	IF ( cloud_physics .OR. cloud_droplets ) THEN
	954	!
	955	!-- Store initial profile of specific humidity and potential
	956	!-- temperature
	957	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	958	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	959	ENDIF
	960	ENDIF
	961
	962	IF ( passive_scalar ) THEN
	963	!
	964	!-- Store initial scalar profile
	965	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	966	ENDIF
	967
	968	!
[19]	969	!-- Initialize fluxes at bottom surface
[1]	970	IF ( use_surface_fluxes ) THEN
	971
	972	IF ( constant_heatflux ) THEN
	973	!
	974	!-- Heat flux is prescribed
	975	IF ( random_heatflux ) THEN
	976	CALL disturb_heatflux
	977	ELSE
	978	shf = surface_heatflux
	979	!
[1241]	980	!-- Initialize shf with data from external file LSF_DATA
	981	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	982	CALL ls_forcing_surf ( simulated_time )
	983	ENDIF
	984
	985	!
[1]	986	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	987	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	988	DO i = nxlg, nxrg
	989	DO j = nysg, nyng
[1]	990	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	991	shf(j,i) = wall_heatflux(0)
	992	ENDIF
	993	ENDDO
	994	ENDDO
	995	ENDIF
	996	ENDIF
	997	ENDIF
	998
	999	!
	1000	!-- Determine the near-surface water flux
[75]	1001	IF ( humidity .OR. passive_scalar ) THEN
[1115]	1002	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1003	precipitation ) THEN
	1004	qrsws = 0.0
	1005	nrsws = 0.0
[1053]	1006	ENDIF
[1]	1007	IF ( constant_waterflux ) THEN
	1008	qsws = surface_waterflux
[407]	1009	!
	1010	!-- Over topography surface_waterflux is replaced by
	1011	!-- wall_humidityflux(0)
	1012	IF ( TRIM( topography ) /= 'flat' ) THEN
	1013	wall_qflux = wall_humidityflux
[667]	1014	DO i = nxlg, nxrg
	1015	DO j = nysg, nyng
[407]	1016	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1017	qsws(j,i) = wall_qflux(0)
	1018	ENDIF
	1019	ENDDO
	1020	ENDDO
	1021	ENDIF
[1]	1022	ENDIF
	1023	ENDIF
	1024
	1025	ENDIF
	1026
	1027	!
[19]	1028	!-- Initialize fluxes at top surface
[94]	1029	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1030	!-- The latent flux is zero in this case!
[19]	1031	IF ( use_top_fluxes ) THEN
	1032
	1033	IF ( constant_top_heatflux ) THEN
	1034	!
	1035	!-- Heat flux is prescribed
	1036	tswst = top_heatflux
	1037
[1053]	1038	IF ( humidity .OR. passive_scalar ) THEN
	1039	qswst = 0.0
[1115]	1040	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1041	precipitation ) THEN
[1053]	1042	nrswst = 0.0
	1043	qrswst = 0.0
	1044	ENDIF
	1045	ENDIF
[94]	1046
	1047	IF ( ocean ) THEN
[95]	1048	saswsb = bottom_salinityflux
[94]	1049	saswst = top_salinityflux
	1050	ENDIF
[102]	1051	ENDIF
[19]	1052
[102]	1053	!
	1054	!-- Initialization in case of a coupled model run
	1055	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	1056	tswst = 0.0
	1057	ENDIF
	1058
[19]	1059	ENDIF
	1060
	1061	!
[1]	1062	!-- Initialize Prandtl layer quantities
	1063	IF ( prandtl_layer ) THEN
	1064
	1065	z0 = roughness_length
[978]	1066	z0h = z0h_factor * z0
[1]	1067
	1068	IF ( .NOT. constant_heatflux ) THEN
	1069	!
	1070	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1071	!-- simply estimated, because therefore rif, u* and theta* would have
	1072	!-- to be computed by iteration. This is why the heat flux is assumed
	1073	!-- to be zero before the first time step. It approaches its correct
	1074	!-- value in the course of the first few time steps.
	1075	shf = 0.0
	1076	ENDIF
	1077
[75]	1078	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1079	IF ( .NOT. constant_waterflux ) qsws = 0.0
[1115]	1080	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1081	precipitation ) THEN
	1082	qrsws = 0.0
	1083	nrsws = 0.0
[1053]	1084	ENDIF
[1]	1085	ENDIF
	1086
	1087	ENDIF
	1088
[1179]	1089	!
	1090	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1091	!-- the reference state will be set (overwritten) in init_ocean)
	1092	IF ( use_single_reference_value ) THEN
	1093	IF ( .NOT. humidity ) THEN
	1094	ref_state(:) = pt_reference
	1095	ELSE
	1096	ref_state(:) = vpt_reference
	1097	ENDIF
	1098	ELSE
	1099	IF ( .NOT. humidity ) THEN
	1100	ref_state(:) = pt_init(:)
	1101	ELSE
	1102	ref_state(:) = vpt(:,nys,nxl)
	1103	ENDIF
	1104	ENDIF
[152]	1105
	1106	!
[707]	1107	!-- For the moment, vertical velocity is zero
	1108	w = 0.0
[1]	1109
	1110	!
	1111	!-- Initialize array sums (must be defined in first call of pres)
	1112	sums = 0.0
	1113
	1114	!
[707]	1115	!-- In case of iterative solvers, p must get an initial value
	1116	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0
	1117
	1118	!
[72]	1119	!-- Treating cloud physics, liquid water content and precipitation amount
	1120	!-- are zero at beginning of the simulation
	1121	IF ( cloud_physics ) THEN
	1122	ql = 0.0
	1123	IF ( precipitation ) precipitation_amount = 0.0
[1115]	1124	IF ( icloud_scheme == 0 ) THEN
	1125	qc = 0.0
	1126	nc_1d = nc_const
	1127	ENDIF
[72]	1128	ENDIF
[673]	1129	!
[1]	1130	!-- Impose vortex with vertical axis on the initial velocity profile
	1131	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1132	CALL init_rankine
	1133	ENDIF
	1134
	1135	!
	1136	!-- Impose temperature anomaly (advection test only)
	1137	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1138	CALL init_pt_anomaly
	1139	ENDIF
	1140
	1141	!
	1142	!-- If required, change the surface temperature at the start of the 3D run
	1143	IF ( pt_surface_initial_change /= 0.0 ) THEN
	1144	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1145	ENDIF
	1146
	1147	!
	1148	!-- If required, change the surface humidity/scalar at the start of the 3D
	1149	!-- run
[75]	1150	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	1151	q_surface_initial_change /= 0.0 ) THEN
	1152	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1153	ENDIF
	1154	!
	1155	!-- Initialize the random number generator (from numerical recipes)
	1156	CALL random_function_ini
	1157
	1158	!
	1159	!-- Initialize old and new time levels.
[1001]	1160	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1]	1161	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1162
[75]	1163	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1164	tq_m = 0.0
[1]	1165	q_p = q
[1115]	1166	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1167	precipitation ) THEN
[1053]	1168	tqr_m = 0.0
	1169	qr_p = qr
	1170	tnr_m = 0.0
	1171	nr_p = nr
	1172	ENDIF
[1]	1173	ENDIF
	1174
[94]	1175	IF ( ocean ) THEN
	1176	tsa_m = 0.0
	1177	sa_p = sa
	1178	ENDIF
[667]	1179
[94]	1180
[147]	1181	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1182	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1183	THEN
	1184	!
[767]	1185	!-- When reading data for cyclic fill of 3D prerun data files, read
	1186	!-- some of the global variables from the restart file which are required
	1187	!-- for initializing the inflow
[328]	1188	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1189
[759]	1190	DO i = 0, io_blocks-1
	1191	IF ( i == io_group ) THEN
	1192	CALL read_parts_of_var_list
	1193	CALL close_file( 13 )
	1194	ENDIF
	1195	#if defined( __parallel )
	1196	CALL MPI_BARRIER( comm2d, ierr )
	1197	#endif
	1198	ENDDO
[328]	1199
[767]	1200	ENDIF
	1201
[151]	1202	!
[767]	1203	!-- Read binary data from restart file
	1204	DO i = 0, io_blocks-1
	1205	IF ( i == io_group ) THEN
	1206	CALL read_3d_binary
	1207	ENDIF
	1208	#if defined( __parallel )
	1209	CALL MPI_BARRIER( comm2d, ierr )
	1210	#endif
	1211	ENDDO
	1212
[328]	1213	!
[767]	1214	!-- Initialization of the turbulence recycling method
	1215	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1216	turbulent_inflow ) THEN
	1217	!
	1218	!-- First store the profiles to be used at the inflow.
	1219	!-- These profiles are the (temporally) and horizontally averaged vertical
	1220	!-- profiles from the prerun. Alternatively, prescribed profiles
	1221	!-- for u,v-components can be used.
	1222	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1223
[767]	1224	IF ( use_prescribed_profile_data ) THEN
	1225	mean_inflow_profiles(:,1) = u_init ! u
	1226	mean_inflow_profiles(:,2) = v_init ! v
	1227	ELSE
[328]	1228	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1229	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1230	ENDIF
	1231	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1232	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1233
	1234	!
[767]	1235	!-- If necessary, adjust the horizontal flow field to the prescribed
	1236	!-- profiles
	1237	IF ( use_prescribed_profile_data ) THEN
	1238	DO i = nxlg, nxrg
[667]	1239	DO j = nysg, nyng
[328]	1240	DO k = nzb, nzt+1
[767]	1241	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1242	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1243	ENDDO
[151]	1244	ENDDO
[767]	1245	ENDDO
	1246	ENDIF
[151]	1247
	1248	!
[767]	1249	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1250	!-- conditions are used)
	1251	IF ( inflow_l ) THEN
	1252	DO j = nysg, nyng
	1253	DO k = nzb, nzt+1
	1254	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1255	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
	1256	w(k,j,nxlg:-1) = 0.0
	1257	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1258	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1259	ENDDO
	1260	ENDDO
	1261	ENDIF
	1262
[151]	1263	!
[767]	1264	!-- Calculate the damping factors to be used at the inflow. For a
	1265	!-- turbulent inflow the turbulent fluctuations have to be limited
	1266	!-- vertically because otherwise the turbulent inflow layer will grow
	1267	!-- in time.
	1268	IF ( inflow_damping_height == 9999999.9 ) THEN
	1269	!
	1270	!-- Default: use the inversion height calculated by the prerun; if
	1271	!-- this is zero, inflow_damping_height must be explicitly
	1272	!-- specified.
	1273	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	1274	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1275	ELSE
	1276	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1277	'explicitly specified because&the inversion height ', &
	1278	'calculated by the prerun is zero.'
	1279	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1280	ENDIF
[151]	1281
[767]	1282	ENDIF
	1283
	1284	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	1285	!
[767]	1286	!-- Default for the transition range: one tenth of the undamped
	1287	!-- layer
	1288	inflow_damping_width = 0.1 * inflow_damping_height
[151]	1289
[767]	1290	ENDIF
[151]	1291
[767]	1292	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1293
[767]	1294	DO k = nzb, nzt+1
[151]	1295
[767]	1296	IF ( zu(k) <= inflow_damping_height ) THEN
	1297	inflow_damping_factor(k) = 1.0
[996]	1298	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
	1299	inflow_damping_factor(k) = 1.0 - &
	1300	( zu(k) - inflow_damping_height ) / &
	1301	inflow_damping_width
[767]	1302	ELSE
	1303	inflow_damping_factor(k) = 0.0
	1304	ENDIF
[151]	1305
[767]	1306	ENDDO
[151]	1307
[147]	1308	ENDIF
	1309
[152]	1310	!
[359]	1311	!-- Inside buildings set velocities and TKE back to zero
	1312	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1313	topography /= 'flat' ) THEN
	1314	!
	1315	!-- Inside buildings set velocities and TKE back to zero.
	1316	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1317	!-- maybe revise later.
[1001]	1318	DO i = nxlg, nxrg
	1319	DO j = nysg, nyng
	1320	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1321	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1322	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1323	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1324	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1325	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1326	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1327	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1328	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
[359]	1329	ENDDO
[1001]	1330	ENDDO
[359]	1331
	1332	ENDIF
	1333
	1334	!
[1]	1335	!-- Calculate initial temperature field and other constants used in case
	1336	!-- of a sloping surface
	1337	IF ( sloping_surface ) CALL init_slope
	1338
	1339	!
	1340	!-- Initialize new time levels (only done in order to set boundary values
	1341	!-- including ghost points)
	1342	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1343	IF ( humidity .OR. passive_scalar ) THEN
	1344	q_p = q
[1115]	1345	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1346	precipitation ) THEN
[1053]	1347	qr_p = qr
	1348	nr_p = nr
	1349	ENDIF
	1350	ENDIF
[94]	1351	IF ( ocean ) sa_p = sa
[1]	1352
[181]	1353	!
	1354	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1355	!-- have to be predefined here because they are used (but multiplied with 0)
	1356	!-- there before they are set.
[1001]	1357	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1053]	1358	IF ( humidity .OR. passive_scalar ) THEN
	1359	tq_m = 0.0
[1115]	1360	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1361	precipitation ) THEN
[1053]	1362	tqr_m = 0.0
	1363	tnr_m = 0.0
	1364	ENDIF
	1365	ENDIF
[1001]	1366	IF ( ocean ) tsa_m = 0.0
[181]	1367
[1]	1368	ELSE
	1369	!
	1370	!-- Actually this part of the programm should not be reached
[254]	1371	message_string = 'unknown initializing problem'
	1372	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1373	ENDIF
	1374
[151]	1375
	1376	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1377	!
[151]	1378	!-- Initialize old timelevels needed for radiation boundary conditions
	1379	IF ( outflow_l ) THEN
	1380	u_m_l(:,:,:) = u(:,:,1:2)
	1381	v_m_l(:,:,:) = v(:,:,0:1)
	1382	w_m_l(:,:,:) = w(:,:,0:1)
	1383	ENDIF
	1384	IF ( outflow_r ) THEN
	1385	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1386	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1387	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1388	ENDIF
	1389	IF ( outflow_s ) THEN
	1390	u_m_s(:,:,:) = u(:,0:1,:)
	1391	v_m_s(:,:,:) = v(:,1:2,:)
	1392	w_m_s(:,:,:) = w(:,0:1,:)
	1393	ENDIF
	1394	IF ( outflow_n ) THEN
	1395	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1396	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1397	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1398	ENDIF
[667]	1399
[151]	1400	ENDIF
[680]	1401
[667]	1402	!
	1403	!-- Calculate the initial volume flow at the right and north boundary
[709]	1404	IF ( conserve_volume_flow ) THEN
[151]	1405
[767]	1406	IF ( use_prescribed_profile_data ) THEN
[667]	1407
[732]	1408	volume_flow_initial_l = 0.0
	1409	volume_flow_area_l = 0.0
	1410
[667]	1411	IF ( nxr == nx ) THEN
	1412	DO j = nys, nyn
[709]	1413	DO k = nzb_2d(j,nx)+1, nzt
[667]	1414	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1415	u_init(k) * dzw(k)
	1416	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1417	ENDDO
	1418	ENDDO
	1419	ENDIF
	1420
	1421	IF ( nyn == ny ) THEN
	1422	DO i = nxl, nxr
	1423	DO k = nzb_2d(ny,i)+1, nzt
	1424	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1425	v_init(k) * dzw(k)
	1426	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1427	ENDDO
	1428	ENDDO
	1429	ENDIF
	1430
	1431	#if defined( __parallel )
	1432	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1433	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1434	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1435	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1436
	1437	#else
	1438	volume_flow_initial = volume_flow_initial_l
	1439	volume_flow_area = volume_flow_area_l
	1440	#endif
	1441
	1442	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1443
	1444	volume_flow_initial_l = 0.0
	1445	volume_flow_area_l = 0.0
	1446
	1447	IF ( nxr == nx ) THEN
	1448	DO j = nys, nyn
	1449	DO k = nzb_2d(j,nx)+1, nzt
	1450	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1451	hom_sum(k,1,0) * dzw(k)
	1452	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1453	ENDDO
	1454	ENDDO
	1455	ENDIF
	1456
	1457	IF ( nyn == ny ) THEN
	1458	DO i = nxl, nxr
[709]	1459	DO k = nzb_2d(ny,i)+1, nzt
[667]	1460	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1461	hom_sum(k,2,0) * dzw(k)
[667]	1462	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1463	ENDDO
	1464	ENDDO
	1465	ENDIF
	1466
[732]	1467	#if defined( __parallel )
	1468	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1469	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1470	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1471	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1472
	1473	#else
	1474	volume_flow_initial = volume_flow_initial_l
	1475	volume_flow_area = volume_flow_area_l
	1476	#endif
	1477
[667]	1478	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1479
[732]	1480	volume_flow_initial_l = 0.0
	1481	volume_flow_area_l = 0.0
	1482
[667]	1483	IF ( nxr == nx ) THEN
	1484	DO j = nys, nyn
[709]	1485	DO k = nzb_2d(j,nx)+1, nzt
[667]	1486	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1487	u(k,j,nx) * dzw(k)
[667]	1488	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1489	ENDDO
	1490	ENDDO
	1491	ENDIF
	1492
	1493	IF ( nyn == ny ) THEN
	1494	DO i = nxl, nxr
[709]	1495	DO k = nzb_2d(ny,i)+1, nzt
[667]	1496	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1497	v(k,ny,i) * dzw(k)
	1498	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1499	ENDDO
	1500	ENDDO
	1501	ENDIF
	1502
	1503	#if defined( __parallel )
[732]	1504	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1505	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1506	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1507	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1508
	1509	#else
[732]	1510	volume_flow_initial = volume_flow_initial_l
	1511	volume_flow_area = volume_flow_area_l
[667]	1512	#endif
	1513
[732]	1514	ENDIF
	1515
[151]	1516	!
[709]	1517	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1518	!-- from u\|v_bulk instead
[680]	1519	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1520	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1521	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1522	ENDIF
[667]	1523
[680]	1524	ENDIF
	1525
[787]	1526	!
	1527	!-- Initialize quantities for special advections schemes
	1528	CALL init_advec
[680]	1529
[667]	1530	!
[680]	1531	!-- Impose random perturbation on the horizontal velocity field and then
	1532	!-- remove the divergences from the velocity field at the initial stage
	1533	IF ( create_disturbances .AND. &
	1534	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1535	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1536
	1537	CALL disturb_field( nzb_u_inner, tend, u )
	1538	CALL disturb_field( nzb_v_inner, tend, v )
	1539	n_sor = nsor_ini
[1221]	1540	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1541	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1542	!$acc copyin( weight_pres, weight_substep ) &
	1543	!$acc copy( tri, tric, u, v, w )
[680]	1544	CALL pres
[1111]	1545	!$acc end data
[680]	1546	n_sor = nsor
	1547	ENDIF
	1548
	1549	!
[138]	1550	!-- Initialization of the leaf area density
[709]	1551	IF ( plant_canopy ) THEN
[138]	1552
	1553	SELECT CASE ( TRIM( canopy_mode ) )
	1554
	1555	CASE( 'block' )
	1556
[667]	1557	DO i = nxlg, nxrg
	1558	DO j = nysg, nyng
[138]	1559	lad_s(:,j,i) = lad(:)
	1560	cdc(:,j,i) = drag_coefficient
[709]	1561	IF ( passive_scalar ) THEN
[153]	1562	sls(:,j,i) = leaf_surface_concentration
	1563	sec(:,j,i) = scalar_exchange_coefficient
	1564	ENDIF
[138]	1565	ENDDO
	1566	ENDDO
	1567
	1568	CASE DEFAULT
	1569
	1570	!
	1571	!-- The DEFAULT case is reached either if the parameter
	1572	!-- canopy mode contains a wrong character string or if the
	1573	!-- user has coded a special case in the user interface.
	1574	!-- There, the subroutine user_init_plant_canopy checks
	1575	!-- which of these two conditions applies.
	1576	CALL user_init_plant_canopy
	1577
	1578	END SELECT
	1579
[667]	1580	CALL exchange_horiz( lad_s, nbgp )
	1581	CALL exchange_horiz( cdc, nbgp )
[138]	1582
[709]	1583	IF ( passive_scalar ) THEN
[667]	1584	CALL exchange_horiz( sls, nbgp )
	1585	CALL exchange_horiz( sec, nbgp )
[153]	1586	ENDIF
	1587
	1588	!
	1589	!-- Sharp boundaries of the plant canopy in horizontal directions
	1590	!-- In vertical direction the interpolation is retained, as the leaf
	1591	!-- area density is initialised by prescribing a vertical profile
	1592	!-- consisting of piecewise linear segments. The upper boundary
	1593	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1594
[138]	1595	DO i = nxl, nxr
	1596	DO j = nys, nyn
	1597	DO k = nzb, nzt+1
[709]	1598	IF ( lad_s(k,j,i) > 0.0 ) THEN
[153]	1599	lad_u(k,j,i) = lad_s(k,j,i)
	1600	lad_u(k,j,i+1) = lad_s(k,j,i)
	1601	lad_v(k,j,i) = lad_s(k,j,i)
	1602	lad_v(k,j+1,i) = lad_s(k,j,i)
	1603	ENDIF
[138]	1604	ENDDO
	1605	DO k = nzb, nzt
	1606	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1607	ENDDO
	1608	ENDDO
	1609	ENDDO
	1610
[153]	1611	lad_w(pch_index,:,:) = 0.0
	1612	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1613
[667]	1614	CALL exchange_horiz( lad_u, nbgp )
	1615	CALL exchange_horiz( lad_v, nbgp )
	1616	CALL exchange_horiz( lad_w, nbgp )
[153]	1617
	1618	!
	1619	!-- Initialisation of the canopy heat source distribution
[709]	1620	IF ( cthf /= 0.0 ) THEN
[153]	1621	!
	1622	!-- Piecewise evaluation of the leaf area index by
	1623	!-- integration of the leaf area density
	1624	lai(:,:,:) = 0.0
[667]	1625	DO i = nxlg, nxrg
	1626	DO j = nysg, nyng
[153]	1627	DO k = pch_index-1, 0, -1
	1628	lai(k,j,i) = lai(k+1,j,i) + &
	1629	( 0.5 * ( lad_w(k+1,j,i) + &
	1630	lad_s(k+1,j,i) ) * &
	1631	( zw(k+1) - zu(k+1) ) ) + &
	1632	( 0.5 * ( lad_w(k,j,i) + &
	1633	lad_s(k+1,j,i) ) * &
	1634	( zu(k+1) - zw(k) ) )
	1635	ENDDO
	1636	ENDDO
	1637	ENDDO
	1638
	1639	!
	1640	!-- Evaluation of the upward kinematic vertical heat flux within the
	1641	!-- canopy
[667]	1642	DO i = nxlg, nxrg
	1643	DO j = nysg, nyng
[153]	1644	DO k = 0, pch_index
	1645	canopy_heat_flux(k,j,i) = cthf * &
	1646	exp( -0.6 * lai(k,j,i) )
	1647	ENDDO
	1648	ENDDO
	1649	ENDDO
	1650
	1651	!
	1652	!-- The near surface heat flux is derived from the heat flux
	1653	!-- distribution within the canopy
	1654	shf(:,:) = canopy_heat_flux(0,:,:)
	1655
	1656	ENDIF
	1657
[138]	1658	ENDIF
	1659
	1660	!
[1]	1661	!-- If required, initialize dvrp-software
	1662	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1663
[96]	1664	IF ( ocean ) THEN
[1]	1665	!
[96]	1666	!-- Initialize quantities needed for the ocean model
	1667	CALL init_ocean
[388]	1668
[96]	1669	ELSE
	1670	!
	1671	!-- Initialize quantities for handling cloud physics
[849]	1672	!-- This routine must be called before lpm_init, because
[96]	1673	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1674	!-- lpm_init) is not defined.
[96]	1675	CALL init_cloud_physics
	1676	ENDIF
[1]	1677
	1678	!
	1679	!-- If required, initialize particles
[849]	1680	IF ( particle_advection ) CALL lpm_init
[1]	1681
	1682	!
[673]	1683	!-- Initialize the ws-scheme.
	1684	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1685
	1686	!
[709]	1687	!-- Setting weighting factors for calculation of perturbation pressure
	1688	!-- and turbulent quantities from the RK substeps
	1689	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1690
[713]	1691	weight_substep(1) = 1./6.
	1692	weight_substep(2) = 3./10.
	1693	weight_substep(3) = 8./15.
[709]	1694
[713]	1695	weight_pres(1) = 1./3.
	1696	weight_pres(2) = 5./12.
	1697	weight_pres(3) = 1./4.
[709]	1698
	1699	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1700
[713]	1701	weight_substep(1) = 1./2.
	1702	weight_substep(2) = 1./2.
[673]	1703
[713]	1704	weight_pres(1) = 1./2.
	1705	weight_pres(2) = 1./2.
[709]	1706
[1001]	1707	ELSE ! for Euler-method
[709]	1708
[673]	1709	weight_substep(1) = 1.0
[709]	1710	weight_pres(1) = 1.0
	1711
[673]	1712	ENDIF
	1713
	1714	!
[1]	1715	!-- Initialize Rayleigh damping factors
[785]	1716	rdf = 0.0
	1717	rdf_sc = 0.0
[1]	1718	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1719	IF ( .NOT. ocean ) THEN
	1720	DO k = nzb+1, nzt
	1721	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1722	rdf(k) = rayleigh_damping_factor * &
[1]	1723	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1724	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1725	)**2
[108]	1726	ENDIF
	1727	ENDDO
	1728	ELSE
	1729	DO k = nzt, nzb+1, -1
	1730	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1731	rdf(k) = rayleigh_damping_factor * &
	1732	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1733	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1734	)**2
	1735	ENDIF
	1736	ENDDO
	1737	ENDIF
[1]	1738	ENDIF
[785]	1739	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1740
	1741	!
[240]	1742	!-- Initialize the starting level and the vertical smoothing factor used for
	1743	!-- the external pressure gradient
	1744	dp_smooth_factor = 1.0
	1745	IF ( dp_external ) THEN
	1746	!
	1747	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1748	!-- (e.g. in init_grid).
	1749	IF ( dp_level_ind_b == 0 ) THEN
	1750	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1751	dp_level_ind_b = ind_array(1) - 1 + nzb
	1752	! MINLOC uses lower array bound 1
	1753	ENDIF
	1754	IF ( dp_smooth ) THEN
	1755	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1756	DO k = dp_level_ind_b+1, nzt
	1757	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1758	( REAL( k - dp_level_ind_b ) / &
	1759	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1760	ENDDO
	1761	ENDIF
	1762	ENDIF
	1763
	1764	!
[978]	1765	!-- Initialize damping zone for the potential temperature in case of
	1766	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1767	!-- at the inflow boundary and decreases to zero at pt_damping_width.
	1768	ptdf_x = 0.0
	1769	ptdf_y = 0.0
[1159]	1770	IF ( bc_lr_dirrad ) THEN
[996]	1771	DO i = nxl, nxr
[978]	1772	IF ( ( i * dx ) < pt_damping_width ) THEN
	1773	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5 * &
	1774	REAL( pt_damping_width - i * dx ) / ( &
	1775	REAL( pt_damping_width ) ) ) )**2
[73]	1776	ENDIF
	1777	ENDDO
[1159]	1778	ELSEIF ( bc_lr_raddir ) THEN
[996]	1779	DO i = nxl, nxr
[978]	1780	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[996]	1781	ptdf_x(i) = pt_damping_factor * &
	1782	SIN( pi * 0.5 * ( ( i - nx ) * dx + pt_damping_width ) / &
	1783	REAL( pt_damping_width ) )**2
[73]	1784	ENDIF
[978]	1785	ENDDO
[1159]	1786	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1787	DO j = nys, nyn
[978]	1788	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[996]	1789	ptdf_y(j) = pt_damping_factor * &
	1790	SIN( pi * 0.5 * ( ( j - ny ) * dy + pt_damping_width ) / &
	1791	REAL( pt_damping_width ) )**2
[1]	1792	ENDIF
[978]	1793	ENDDO
[1159]	1794	ELSEIF ( bc_ns_raddir ) THEN
[996]	1795	DO j = nys, nyn
[978]	1796	IF ( ( j * dy ) < pt_damping_width ) THEN
[996]	1797	ptdf_y(j) = pt_damping_factor * &
	1798	SIN( pi * 0.5 * ( pt_damping_width - j * dy ) / &
	1799	REAL( pt_damping_width ) )**2
[1]	1800	ENDIF
[73]	1801	ENDDO
[1]	1802	ENDIF
	1803
	1804	!
[709]	1805	!-- Initialize local summation arrays for routine flow_statistics.
	1806	!-- This is necessary because they may not yet have been initialized when they
	1807	!-- are called from flow_statistics (or - depending on the chosen model run -
	1808	!-- are never initialized)
[1]	1809	sums_divnew_l = 0.0
	1810	sums_divold_l = 0.0
	1811	sums_l_l = 0.0
	1812	sums_up_fraction_l = 0.0
	1813	sums_wsts_bc_l = 0.0
	1814
	1815	!
	1816	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1817	!-- Ghost points are excluded because counting values at the ghost boundaries
	1818	!-- would bias the statistics
[1]	1819	rmask = 1.0
[1025]	1820	rmask(:,nxlg:nxl-1,:) = 0.0; rmask(:,nxr+1:nxrg,:) = 0.0
	1821	rmask(nysg:nys-1,:,:) = 0.0; rmask(nyn+1:nyng,:,:) = 0.0
[1]	1822
	1823	!
[51]	1824	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1825	!-- of allowed timeseries is exceeded
[1]	1826	CALL user_init
	1827
[51]	1828	IF ( dots_num > dots_max ) THEN
[254]	1829	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1830	' its maximum of dots_max = ', dots_max, &
[254]	1831	' &Please increase dots_max in modules.f90.'
	1832	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1833	ENDIF
	1834
[1]	1835	!
	1836	!-- Input binary data file is not needed anymore. This line must be placed
	1837	!-- after call of user_init!
	1838	CALL close_file( 13 )
	1839
	1840	!
	1841	!-- Compute total sum of active mask grid points
	1842	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1843	!-- total domain
	1844	!-- ngp_3d: number of grid points of the total domain
[132]	1845	ngp_2dh_outer_l = 0
	1846	ngp_2dh_outer = 0
	1847	ngp_2dh_s_inner_l = 0
	1848	ngp_2dh_s_inner = 0
	1849	ngp_2dh_l = 0
	1850	ngp_2dh = 0
[485]	1851	ngp_3d_inner_l = 0.0
[132]	1852	ngp_3d_inner = 0
	1853	ngp_3d = 0
	1854	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1855
	1856	DO sr = 0, statistic_regions
	1857	DO i = nxl, nxr
	1858	DO j = nys, nyn
	1859	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1860	!
	1861	!-- All xy-grid points
	1862	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1863	!
	1864	!-- xy-grid points above topography
	1865	DO k = nzb_s_outer(j,i), nz + 1
	1866	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1867	ENDDO
[132]	1868	DO k = nzb_s_inner(j,i), nz + 1
	1869	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1870	ENDDO
[1]	1871	!
	1872	!-- All grid points of the total domain above topography
	1873	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1874	( nz - nzb_s_inner(j,i) + 2 )
	1875	ENDIF
	1876	ENDDO
	1877	ENDDO
	1878	ENDDO
	1879
	1880	sr = statistic_regions + 1
	1881	#if defined( __parallel )
[622]	1882	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1883	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1884	comm2d, ierr )
[622]	1885	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1886	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1887	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1888	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1889	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1890	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1891	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1892	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1893	MPI_SUM, comm2d, ierr )
[485]	1894	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1895	#else
[132]	1896	ngp_2dh = ngp_2dh_l
	1897	ngp_2dh_outer = ngp_2dh_outer_l
	1898	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1899	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1900	#endif
	1901
[560]	1902	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1903	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1904
	1905	!
	1906	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1907	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1908	!-- the respective subdomain lie below the surface topography
[667]	1909	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1910	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1911	ngp_3d_inner(:) )
[667]	1912	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1913
[485]	1914	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1915
	1916
	1917	END SUBROUTINE init_3d_model

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