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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1318

Last change on this file since 1318 was 1318, checked in by raasch, 10 years ago
former files/routines cpu_log and cpu_statistics combined to one module, which also includes the former data module cpulog from the modules-file, module interfaces removed
Property svn:keywords set to `Id`
File size: 66.6 KB

Rev	Line
[1]	1	SUBROUTINE init_3d_model
	2
[1036]	3	!--------------------------------------------------------------------------------!
	4	! This file is part of PALM.
	5	!
	6	! PALM is free software: you can redistribute it and/or modify it under the terms
	7	! of the GNU General Public License as published by the Free Software Foundation,
	8	! either version 3 of the License, or (at your option) any later version.
	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[1310]	17	! Copyright 1997-2014 Leibniz Universitaet Hannover
[1036]	18	!--------------------------------------------------------------------------------!
	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[1318]	22	! module interfaces removed
[1054]	23	!
	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 1318 2014-03-17 13:35:16Z raasch $
	27	!
[1317]	28	! 1316 2014-03-17 07:44:59Z heinze
	29	! Bugfix: allocation of w_subs
	30	!
[1300]	31	! 1299 2014-03-06 13:15:21Z heinze
	32	! Allocate w_subs due to extension of large scale subsidence in combination
	33	! with large scale forcing data (LSF_DATA)
	34	!
[1242]	35	! 1241 2013-10-30 11:36:58Z heinze
	36	! Overwrite initial profiles in case of nudging
	37	! Inititialize shf and qsws in case of large_scale_forcing
	38	!
[1222]	39	! 1221 2013-09-10 08:59:13Z raasch
	40	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	41	! copy
	42	!
[1213]	43	! 1212 2013-08-15 08:46:27Z raasch
	44	! array tri is allocated and included in data copy statement
	45	!
[1196]	46	! 1195 2013-07-01 12:27:57Z heinze
	47	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	48	!
[1182]	49	! 1179 2013-06-14 05:57:58Z raasch
	50	! allocate and set ref_state to be used in buoyancy terms
	51	!
[1172]	52	! 1171 2013-05-30 11:27:45Z raasch
	53	! diss array is allocated with full size if accelerator boards are used
	54	!
[1160]	55	! 1159 2013-05-21 11:58:22Z fricke
	56	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	57	!
[1154]	58	! 1153 2013-05-10 14:33:08Z raasch
	59	! diss array is allocated with dummy elements even if it is not needed
[1171]	60	! (required by PGI 13.4 / CUDA 5.0)
[1154]	61	!
[1116]	62	! 1115 2013-03-26 18:16:16Z hoffmann
	63	! unused variables removed
	64	!
[1114]	65	! 1113 2013-03-10 02:48:14Z raasch
	66	! openACC directive modified
	67	!
[1112]	68	! 1111 2013-03-08 23:54:10Z raasch
	69	! openACC directives added for pres
	70	! array diss allocated only if required
	71	!
[1093]	72	! 1092 2013-02-02 11:24:22Z raasch
	73	! unused variables removed
	74	!
[1066]	75	! 1065 2012-11-22 17:42:36Z hoffmann
	76	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	77	!
[1054]	78	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	79	! allocation and initialisation of necessary data arrays for the two-moment
	80	! cloud physics scheme the two new prognostic equations (nr, qr):
	81	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	82	! +tend_*, prr
[979]	83	!
[1037]	84	! 1036 2012-10-22 13:43:42Z raasch
	85	! code put under GPL (PALM 3.9)
	86	!
[1033]	87	! 1032 2012-10-21 13:03:21Z letzel
	88	! save memory by not allocating pt_2 in case of neutral = .T.
	89	!
[1026]	90	! 1025 2012-10-07 16:04:41Z letzel
	91	! bugfix: swap indices of mask for ghost boundaries
	92	!
[1017]	93	! 1015 2012-09-27 09:23:24Z raasch
	94	! mask is set to zero for ghost boundaries
	95	!
[1011]	96	! 1010 2012-09-20 07:59:54Z raasch
	97	! cpp switch __nopointer added for pointer free version
	98	!
[1004]	99	! 1003 2012-09-14 14:35:53Z raasch
	100	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	101	!
[1002]	102	! 1001 2012-09-13 14:08:46Z raasch
	103	! all actions concerning leapfrog scheme removed
	104	!
[997]	105	! 996 2012-09-07 10:41:47Z raasch
	106	! little reformatting
	107	!
[979]	108	! 978 2012-08-09 08:28:32Z fricke
[978]	109	! outflow damping layer removed
	110	! roughness length for scalar quantites z0h added
	111	! damping zone for the potential temperatur in case of non-cyclic lateral
	112	! boundaries added
	113	! initialization of ptdf_x, ptdf_y
	114	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	115	!
[850]	116	! 849 2012-03-15 10:35:09Z raasch
	117	! init_particles renamed lpm_init
	118	!
[826]	119	! 825 2012-02-19 03:03:44Z raasch
	120	! wang_collision_kernel renamed wang_kernel
	121	!
[791]	122	! 790 2011-11-29 03:11:20Z raasch
	123	! diss is also allocated in case that the Wang kernel is used
	124	!
[788]	125	! 787 2011-11-28 12:49:05Z heinze $
	126	! bugfix: call init_advec in every case - not only for inital runs
	127	!
[786]	128	! 785 2011-11-28 09:47:19Z raasch
	129	! initialization of rdf_sc
	130	!
[768]	131	! 767 2011-10-14 06:39:12Z raasch
	132	! adjustments concerning implementation of prescribed u,v-profiles
	133	! bugfix: dirichlet_0 conditions for ug/vg moved to check_parameters
	134	!
[760]	135	! 759 2011-09-15 13:58:31Z raasch
	136	! Splitting of parallel I/O in blocks of PEs
	137	! Bugfix: No zero assignments to volume_flow_initial and volume_flow_area in
	138	! case of normal restart runs.
	139	!
[714]	140	! 713 2011-03-30 14:21:21Z suehring
[732]	141	! weight_substep and weight_pres are given as fractions.
[714]	142	!
[710]	143	! 709 2011-03-30 09:31:40Z raasch
	144	! formatting adjustments
	145	!
[708]	146	! 707 2011-03-29 11:39:40Z raasch
[707]	147	! p_sub renamed p_loc and allocated depending on the chosen pressure solver,
	148	! initial assignments of zero to array p for iterative solvers only,
	149	! bc_lr/ns replaced by bc_lr/ns_dirrad/raddir
[674]	150	!
[708]	151	! 680 2011-02-04 23:16:06Z gryschka
[681]	152	! bugfix: volume_flow_control
[668]	153	!
[674]	154	! 673 2011-01-18 16:19:48Z suehring
	155	! weight_substep (moved from advec_ws) and weight_pres added.
	156	! Allocate p_sub when using Multigrid or SOR solver.
	157	! Call of ws_init moved behind the if requests.
	158	!
[668]	159	! 667 2010-12-23 12:06:00Z suehring/gryschka
[667]	160	! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng in loops and
	161	! allocation of arrays. Calls of exchange_horiz are modified.
[709]	162	! Call ws_init to initialize arrays needed for calculating statisticas and for
[667]	163	! optimization when ws-scheme is used.
	164	! Initial volume flow is now calculated by using the variable hom_sum.
	165	! Therefore the correction of initial volume flow for non-flat topography
	166	! removed (removed u_nzb_p1_for_vfc and v_nzb_p1_for_vfc)
	167	! Changed surface boundary conditions for u and v in case of ibc_uv_b == 0 from
[709]	168	! mirror to Dirichlet boundary conditions (u=v=0), so that k=nzb is
	169	! representative for the height z0.
[667]	170	! Bugfix: type conversion of '1' to 64bit for the MAX function (ngp_3d_inner)
	171	!
[623]	172	! 622 2010-12-10 08:08:13Z raasch
	173	! optional barriers included in order to speed up collective operations
	174	!
[561]	175	! 560 2010-09-09 10:06:09Z weinreis
	176	! bugfix: correction of calculating ngp_3d for 64 bit
	177	!
[486]	178	! 485 2010-02-05 10:57:51Z raasch
	179	! calculation of ngp_3d + ngp_3d_inner changed because they have now 64 bit
	180	!
[482]	181	! 407 2009-12-01 15:01:15Z maronga
	182	! var_ts is replaced by dots_max
	183	! Enabled passive scalar/humidity wall fluxes for non-flat topography
	184	!
[392]	185	! 388 2009-09-23 09:40:33Z raasch
[388]	186	! Initialization of prho added.
[359]	187	! bugfix: correction of initial volume flow for non-flat topography
	188	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	189	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	190	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	191	! independent of turbulent_inflow
[254]	192	! Output of messages replaced by message handling routine.
[240]	193	! Set the starting level and the vertical smoothing factor used for
	194	! the external pressure gradient
[254]	195	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	196	! and 'bulk_velocity'
[292]	197	! If the inversion height calculated by the prerun is zero,
	198	! inflow_damping_height must be explicitly specified.
[139]	199	!
[198]	200	! 181 2008-07-30 07:07:47Z raasch
	201	! bugfix: zero assignments to tendency arrays in case of restarts,
	202	! further extensions and modifications in the initialisation of the plant
	203	! canopy model,
	204	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	205	! after allocating theses arrays,
	206	! read data for recycling added as new initialization option,
	207	! dummy allocation for diss
	208	!
[139]	209	! 138 2007-11-28 10:03:58Z letzel
[132]	210	! New counter ngp_2dh_s_inner.
	211	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	212	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	213	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	214	!
[110]	215	! 108 2007-08-24 15:10:38Z letzel
	216	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	217	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	218	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	219	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	220	! TKE e_init
	221	!
[98]	222	! 97 2007-06-21 08:23:15Z raasch
	223	! Initialization of salinity, call of init_ocean
	224	!
[90]	225	! 87 2007-05-22 15:46:47Z raasch
	226	! var_hom and var_sum renamed pr_palm
	227	!
[77]	228	! 75 2007-03-22 09:54:05Z raasch
[73]	229	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	230	! bugfix for cases with the outflow damping layer extending over more than one
[75]	231	! subdomain, moisture renamed humidity,
	232	! new initializing action "by_user" calls user_init_3d_model,
[72]	233	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	234	! initial velocities at nzb+1 are regarded for volume
	235	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	236	! -uvmean_outflow, uxrp, vynp eliminated
[1]	237	!
[39]	238	! 19 2007-02-23 04:53:48Z raasch
	239	! +handling of top fluxes
	240	!
[3]	241	! RCS Log replace by Id keyword, revision history cleaned up
	242	!
[1]	243	! Revision 1.49 2006/08/22 15:59:07 raasch
	244	! No optimization of this file on the ibmy (Yonsei Univ.)
	245	!
	246	! Revision 1.1 1998/03/09 16:22:22 raasch
	247	! Initial revision
	248	!
	249	!
	250	! Description:
	251	! ------------
	252	! Allocation of arrays and initialization of the 3D model via
	253	! a) pre-run the 1D model
	254	! or
	255	! b) pre-set constant linear profiles
	256	! or
	257	! c) read values of a previous run
	258	!------------------------------------------------------------------------------!
	259
[667]	260	USE advec_ws
[1]	261	USE arrays_3d
	262	USE averaging
[72]	263	USE cloud_parameters
[1]	264	USE constants
	265	USE control_parameters
	266	USE cpulog
[978]	267	USE grid_variables
[1]	268	USE indices
[1241]	269	USE ls_forcing_mod
[1]	270	USE model_1d
[51]	271	USE netcdf_control
[1]	272	USE particle_attributes
	273	USE pegrid
	274	USE profil_parameter
	275	USE random_function_mod
	276	USE statistics
[1111]	277	USE transpose_indices
[1]	278
	279	IMPLICIT NONE
	280
[559]	281	INTEGER :: i, ind_array(1), j, k, sr
[1]	282
[485]	283	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l
[1]	284
[132]	285	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
[996]	286	ngp_2dh_s_inner_l
[1]	287
	288	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	289
[485]	290	REAL, DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l, ngp_3d_inner_tmp
[1]	291
[485]	292
[1]	293	!
	294	!-- Allocate arrays
	295	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	296	ngp_3d(0:statistic_regions), &
	297	ngp_3d_inner(0:statistic_regions), &
	298	ngp_3d_inner_l(0:statistic_regions), &
[485]	299	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	300	sums_divnew_l(0:statistic_regions), &
	301	sums_divold_l(0:statistic_regions) )
[1195]	302	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	303	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	304	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	305	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	306	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	307	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	308	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	309	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	310	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	311	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	312	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	313	ts_value(dots_max,0:statistic_regions) )
[978]	314	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	315
[1001]	316	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	317	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	318	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	319	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	320	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	321	z0h(nysg:nyng,nxlg:nxrg) )
[1]	322
[1010]	323	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	324	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	325	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	326	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	327	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	328
	329	#if defined( __nopointer )
	330	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	331	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	332	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	333	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	334	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	335	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	336	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	339	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	340	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	342	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	343	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	344	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	345	#else
	346	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	347	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	348	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	349	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	350	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	351	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	352	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	353	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	354	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	355	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	356	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	357	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	358	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	359	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	360	IF ( .NOT. neutral ) THEN
	361	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	362	ENDIF
[1010]	363	#endif
	364
[673]	365	!
[707]	366	!-- Following array is required for perturbation pressure within the iterative
	367	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	368	!-- the weighted average of the substeps and cannot be used in the Poisson
	369	!-- solver.
	370	IF ( psolver == 'sor' ) THEN
	371	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	372	ELSEIF ( psolver == 'multigrid' ) THEN
	373	!
	374	!-- For performance reasons, multigrid is using one ghost layer only
	375	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	376	ENDIF
[1]	377
[1111]	378	!
	379	!-- Array for storing constant coeffficients of the tridiagonal solver
	380	IF ( psolver == 'poisfft' ) THEN
[1212]	381	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	382	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	383	ENDIF
	384
[75]	385	IF ( humidity .OR. passive_scalar ) THEN
[1]	386	!
[75]	387	!-- 2D-humidity/scalar arrays
[1001]	388	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	389	qsws(nysg:nyng,nxlg:nxrg), &
	390	qswst(nysg:nyng,nxlg:nxrg) )
[1]	391
	392	!
[75]	393	!-- 3D-humidity/scalar arrays
[1010]	394	#if defined( __nopointer )
	395	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	396	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	397	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	398	#else
[667]	399	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	400	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	401	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	402	#endif
[1]	403
	404	!
[75]	405	!-- 3D-arrays needed for humidity only
	406	IF ( humidity ) THEN
[1010]	407	#if defined( __nopointer )
	408	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	409	#else
[667]	410	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	411	#endif
[1]	412
	413	IF ( cloud_physics ) THEN
[1053]	414
[1]	415	!
	416	!-- Liquid water content
[1010]	417	#if defined( __nopointer )
	418	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	419	#else
[667]	420	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	421	#endif
[72]	422	!
	423	!-- Precipitation amount and rate (only needed if output is switched)
[667]	424	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	425	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	426
	427	IF ( icloud_scheme == 0 ) THEN
	428	!
[1115]	429	!-- 1D-arrays
	430	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	431	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	432	!
[1115]	433	!-- 3D-cloud water content
[1053]	434	#if defined( __nopointer )
[1115]	435	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	436	#else
[1115]	437	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	438	#endif
	439	!
	440	!-- 3D-tendency arrays
[1115]	441	ALLOCATE( tend_pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	442	tend_q(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	443
	444	IF ( precipitation ) THEN
[1053]	445	!
[1115]	446	!-- 1D-arrays
	447	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
	448	!
	449	!
	450	!-- 3D-tendency arrays
	451	ALLOCATE( tend_nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	452	tend_qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	453	!
	454	!-- 2D-rain water content and rain drop concentration arrays
	455	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	456	qrsws(nysg:nyng,nxlg:nxrg), &
	457	qrswst(nysg:nyng,nxlg:nxrg), &
	458	nrs(nysg:nyng,nxlg:nxrg), &
	459	nrsws(nysg:nyng,nxlg:nxrg), &
	460	nrswst(nysg:nyng,nxlg:nxrg) )
	461	!
	462	!-- 3D-rain water content, rain drop concentration arrays
	463	#if defined( __nopointer )
	464	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	465	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	466	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	467	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	468	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	470	#else
	471	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	474	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	475	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	476	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	477	#endif
	478	!
	479	!-- 3d-precipitation rate
[1053]	480	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	481	ENDIF
	482
	483	ENDIF
[1]	484	ENDIF
	485
	486	IF ( cloud_droplets ) THEN
	487	!
[1010]	488	!-- Liquid water content, change in liquid water content
	489	#if defined( __nopointer )
	490	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	491	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	492	#else
[667]	493	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	494	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	495	#endif
	496	!
	497	!-- Real volume of particles (with weighting), volume of particles
	498	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	499	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	500	ENDIF
	501
	502	ENDIF
	503
	504	ENDIF
	505
[94]	506	IF ( ocean ) THEN
[1001]	507	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	508	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	509	#if defined( __nopointer )
	510	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	511	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	512	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	513	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	514	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	515	#else
[667]	516	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	517	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	518	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	519	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	520	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	521	prho => prho_1
	522	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	523	! density to be apointer
[1010]	524	#endif
[108]	525	IF ( humidity_remote ) THEN
[667]	526	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[108]	527	qswst_remote = 0.0
	528	ENDIF
[94]	529	ENDIF
	530
[1]	531	!
	532	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	533	!-- particle velocities
[1171]	534	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	535	num_acc_per_node > 0 ) THEN
[1153]	536	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	537	ENDIF
	538
	539	IF ( dt_dosp /= 9999999.9 ) THEN
	540	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	541	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	542	spectrum_x = 0.0
	543	spectrum_y = 0.0
[1]	544	ENDIF
	545
	546	!
[1299]	547	!-- 1D-array for large scale subsidence velocity
[1316]	548	ALLOCATE ( w_subs(nzb:nzt+1) )
	549	w_subs = 0.0
[1299]	550
[1316]	551
[1299]	552	!
[138]	553	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	554	IF ( plant_canopy ) THEN
[667]	555	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	556	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	557	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	558	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	559	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	560
	561	IF ( passive_scalar ) THEN
[996]	562	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	563	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	564	ENDIF
	565
	566	IF ( cthf /= 0.0 ) THEN
[996]	567	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	568	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	569	ENDIF
	570
[138]	571	ENDIF
	572
	573	!
[51]	574	!-- 4D-array for storing the Rif-values at vertical walls
	575	IF ( topography /= 'flat' ) THEN
[667]	576	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[51]	577	rif_wall = 0.0
	578	ENDIF
	579
	580	!
[106]	581	!-- Arrays to store velocity data from t-dt and the phase speeds which
	582	!-- are needed for radiation boundary conditions
[73]	583	IF ( outflow_l ) THEN
[667]	584	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	585	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	586	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	587	ENDIF
	588	IF ( outflow_r ) THEN
[667]	589	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	590	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	591	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	592	ENDIF
[106]	593	IF ( outflow_l .OR. outflow_r ) THEN
[667]	594	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	595	c_w(nzb:nzt+1,nysg:nyng) )
[106]	596	ENDIF
[73]	597	IF ( outflow_s ) THEN
[667]	598	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	599	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	600	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	601	ENDIF
	602	IF ( outflow_n ) THEN
[667]	603	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	604	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	605	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	606	ENDIF
[106]	607	IF ( outflow_s .OR. outflow_n ) THEN
[667]	608	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	609	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	610	ENDIF
[996]	611	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	612	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	613	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	614	ENDIF
[73]	615
[978]	616
[1010]	617	#if ! defined( __nopointer )
[73]	618	!
[1]	619	!-- Initial assignment of the pointers
[1001]	620	e => e_1; e_p => e_2; te_m => e_3
[1032]	621	IF ( .NOT. neutral ) THEN
	622	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	623	ELSE
	624	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	625	ENDIF
[1001]	626	u => u_1; u_p => u_2; tu_m => u_3
	627	v => v_1; v_p => v_2; tv_m => v_3
	628	w => w_1; w_p => w_2; tw_m => w_3
[1]	629
[1001]	630	IF ( humidity .OR. passive_scalar ) THEN
	631	q => q_1; q_p => q_2; tq_m => q_3
[1053]	632	IF ( humidity ) THEN
	633	vpt => vpt_1
	634	IF ( cloud_physics ) THEN
	635	ql => ql_1
	636	IF ( icloud_scheme == 0 ) THEN
[1115]	637	qc => qc_1
	638	IF ( precipitation ) THEN
	639	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	640	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	641	ENDIF
[1053]	642	ENDIF
	643	ENDIF
	644	ENDIF
[1001]	645	IF ( cloud_droplets ) THEN
	646	ql => ql_1
	647	ql_c => ql_2
[1]	648	ENDIF
[1001]	649	ENDIF
[1]	650
[1001]	651	IF ( ocean ) THEN
	652	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	653	ENDIF
[1010]	654	#endif
[1]	655
	656	!
[709]	657	!-- Allocate arrays containing the RK coefficient for calculation of
	658	!-- perturbation pressure and turbulent fluxes. At this point values are
	659	!-- set for pressure calculation during initialization (where no timestep
	660	!-- is done). Further below the values needed within the timestep scheme
	661	!-- will be set.
	662	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	663	weight_pres(1:intermediate_timestep_count_max) )
[709]	664	weight_substep = 1.0
	665	weight_pres = 1.0
	666	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	667
	668	!
[1]	669	!-- Initialize model variables
[147]	670	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	671	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	672	!
	673	!-- First model run of a possible job queue.
	674	!-- Initial profiles of the variables must be computes.
	675	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	676	!
	677	!-- Use solutions of the 1D model as initial profiles,
	678	!-- start 1D model
	679	CALL init_1d_model
	680	!
	681	!-- Transfer initial profiles to the arrays of the 3D model
[667]	682	DO i = nxlg, nxrg
	683	DO j = nysg, nyng
[1]	684	e(:,j,i) = e1d
	685	kh(:,j,i) = kh1d
	686	km(:,j,i) = km1d
	687	pt(:,j,i) = pt_init
	688	u(:,j,i) = u1d
	689	v(:,j,i) = v1d
	690	ENDDO
	691	ENDDO
	692
[75]	693	IF ( humidity .OR. passive_scalar ) THEN
[667]	694	DO i = nxlg, nxrg
	695	DO j = nysg, nyng
[1]	696	q(:,j,i) = q_init
	697	ENDDO
	698	ENDDO
[1115]	699	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	700	precipitation ) THEN
[1053]	701	DO i = nxlg, nxrg
	702	DO j = nysg, nyng
[1115]	703	qr(:,j,i) = 0.0
	704	nr(:,j,i) = 0.0
[1053]	705	ENDDO
	706	ENDDO
[1115]	707	!
	708	!-- Initialze nc_1d with default value
	709	nc_1d(:) = nc_const
	710
[1053]	711	ENDIF
[1]	712	ENDIF
	713
	714	IF ( .NOT. constant_diffusion ) THEN
[667]	715	DO i = nxlg, nxrg
	716	DO j = nysg, nyng
[1]	717	e(:,j,i) = e1d
	718	ENDDO
	719	ENDDO
	720	!
	721	!-- Store initial profiles for output purposes etc.
	722	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	723
	724	IF ( prandtl_layer ) THEN
	725	rif = rif1d(nzb+1)
	726	ts = 0.0 ! could actually be computed more accurately in the
	727	! 1D model. Update when opportunity arises.
	728	us = us1d
	729	usws = usws1d
	730	vsws = vsws1d
	731	ELSE
	732	ts = 0.0 ! must be set, because used in
	733	rif = 0.0 ! flowste
	734	us = 0.0
	735	usws = 0.0
	736	vsws = 0.0
	737	ENDIF
	738
	739	ELSE
	740	e = 0.0 ! must be set, because used in
	741	rif = 0.0 ! flowste
	742	ts = 0.0
	743	us = 0.0
	744	usws = 0.0
	745	vsws = 0.0
	746	ENDIF
[102]	747	uswst = top_momentumflux_u
	748	vswst = top_momentumflux_v
[1]	749
	750	!
	751	!-- In every case qs = 0.0 (see also pt)
	752	!-- This could actually be computed more accurately in the 1D model.
	753	!-- Update when opportunity arises!
[1053]	754	IF ( humidity .OR. passive_scalar ) THEN
	755	qs = 0.0
[1115]	756	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	757	precipitation ) THEN
[1053]	758	qrs = 0.0
	759	nrs = 0.0
	760	ENDIF
	761	ENDIF
[1]	762
	763	!
	764	!-- inside buildings set velocities back to zero
	765	IF ( topography /= 'flat' ) THEN
	766	DO i = nxl-1, nxr+1
	767	DO j = nys-1, nyn+1
	768	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	769	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	770	ENDDO
	771	ENDDO
[667]	772
[1]	773	!
	774	!-- WARNING: The extra boundary conditions set after running the
	775	!-- ------- 1D model impose an error on the divergence one layer
	776	!-- below the topography; need to correct later
	777	!-- ATTENTION: Provisional correction for Piacsek & Williams
	778	!-- --------- advection scheme: keep u and v zero one layer below
	779	!-- the topography.
[667]	780	IF ( ibc_uv_b == 1 ) THEN
	781	!
[1]	782	!-- Neumann condition
	783	DO i = nxl-1, nxr+1
	784	DO j = nys-1, nyn+1
	785	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	786	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	787	ENDDO
	788	ENDDO
	789
	790	ENDIF
	791
	792	ENDIF
	793
	794	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	795	THEN
[1241]	796
[1]	797	!
[1241]	798	!-- Overwrite initial profiles in case of nudging
	799	IF ( nudging ) THEN
	800	pt_init = ptnudge(:,1)
	801	u_init = unudge(:,1)
	802	v_init = vnudge(:,1)
	803	IF ( humidity .OR. passive_scalar ) THEN
	804	q_init = qnudge(:,1)
	805	ENDIF
	806
	807	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	808	'scalars from NUDGING_DATA are used.'
	809	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	810	ENDIF
	811
	812	!
[1]	813	!-- Use constructed initial profiles (velocity constant with height,
	814	!-- temperature profile with constant gradient)
[667]	815	DO i = nxlg, nxrg
	816	DO j = nysg, nyng
[1]	817	pt(:,j,i) = pt_init
	818	u(:,j,i) = u_init
	819	v(:,j,i) = v_init
	820	ENDDO
	821	ENDDO
[75]	822
[1]	823	!
[292]	824	!-- Set initial horizontal velocities at the lowest computational grid
	825	!-- levels to zero in order to avoid too small time steps caused by the
	826	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	827	!-- in the limiting formula!). The original values are stored to be later
	828	!-- used for volume flow control.
[667]	829	DO i = nxlg, nxrg
	830	DO j = nysg, nyng
[1]	831	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	832	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	833	ENDDO
	834	ENDDO
	835
[75]	836	IF ( humidity .OR. passive_scalar ) THEN
[667]	837	DO i = nxlg, nxrg
	838	DO j = nysg, nyng
[1]	839	q(:,j,i) = q_init
	840	ENDDO
	841	ENDDO
[1115]	842	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	843	!
	844	!-- Initialze nc_1d with default value
	845	nc_1d(:) = nc_const
	846
	847	IF ( precipitation ) THEN
	848	DO i = nxlg, nxrg
	849	DO j = nysg, nyng
	850	qr(:,j,i) = 0.0
	851	nr(:,j,i) = 0.0
	852	ENDDO
[1053]	853	ENDDO
[1115]	854	ENDIF
	855
[1053]	856	ENDIF
[1]	857	ENDIF
	858
[94]	859	IF ( ocean ) THEN
[667]	860	DO i = nxlg, nxrg
	861	DO j = nysg, nyng
[94]	862	sa(:,j,i) = sa_init
	863	ENDDO
	864	ENDDO
	865	ENDIF
[1]	866
	867	IF ( constant_diffusion ) THEN
	868	km = km_constant
	869	kh = km / prandtl_number
[108]	870	e = 0.0
	871	ELSEIF ( e_init > 0.0 ) THEN
	872	DO k = nzb+1, nzt
	873	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	874	ENDDO
	875	km(nzb,:,:) = km(nzb+1,:,:)
	876	km(nzt+1,:,:) = km(nzt,:,:)
	877	kh = km / prandtl_number
	878	e = e_init
[1]	879	ELSE
[108]	880	IF ( .NOT. ocean ) THEN
	881	kh = 0.01 ! there must exist an initial diffusion, because
	882	km = 0.01 ! otherwise no TKE would be produced by the
	883	! production terms, as long as not yet
	884	! e = (u/cm)*2 at k=nzb+1
	885	ELSE
	886	kh = 0.00001
	887	km = 0.00001
	888	ENDIF
	889	e = 0.0
[1]	890	ENDIF
[102]	891	rif = 0.0
	892	ts = 0.0
	893	us = 0.0
	894	usws = 0.0
	895	uswst = top_momentumflux_u
	896	vsws = 0.0
	897	vswst = top_momentumflux_v
[75]	898	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	899
	900	!
	901	!-- Compute initial temperature field and other constants used in case
	902	!-- of a sloping surface
	903	IF ( sloping_surface ) CALL init_slope
	904
[46]	905	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	906	THEN
	907	!
	908	!-- Initialization will completely be done by the user
	909	CALL user_init_3d_model
	910
[1]	911	ENDIF
[667]	912	!
	913	!-- Bottom boundary
	914	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
	915	u(nzb,:,:) = 0.0
	916	v(nzb,:,:) = 0.0
	917	ENDIF
[1]	918
	919	!
[151]	920	!-- Apply channel flow boundary condition
[132]	921	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	922	u(nzt+1,:,:) = 0.0
	923	v(nzt+1,:,:) = 0.0
	924	ENDIF
	925
	926	!
[1]	927	!-- Calculate virtual potential temperature
[75]	928	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	929
	930	!
	931	!-- Store initial profiles for output purposes etc.
	932	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	933	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	934	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
	935	hom(nzb,1,5,:) = 0.0
	936	hom(nzb,1,6,:) = 0.0
[1]	937	ENDIF
	938	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	939	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	940	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	941
[97]	942	IF ( ocean ) THEN
	943	!
	944	!-- Store initial salinity profile
	945	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	946	ENDIF
[1]	947
[75]	948	IF ( humidity ) THEN
[1]	949	!
	950	!-- Store initial profile of total water content, virtual potential
	951	!-- temperature
	952	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	953	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	954	IF ( cloud_physics .OR. cloud_droplets ) THEN
	955	!
	956	!-- Store initial profile of specific humidity and potential
	957	!-- temperature
	958	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	959	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	960	ENDIF
	961	ENDIF
	962
	963	IF ( passive_scalar ) THEN
	964	!
	965	!-- Store initial scalar profile
	966	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	967	ENDIF
	968
	969	!
[19]	970	!-- Initialize fluxes at bottom surface
[1]	971	IF ( use_surface_fluxes ) THEN
	972
	973	IF ( constant_heatflux ) THEN
	974	!
	975	!-- Heat flux is prescribed
	976	IF ( random_heatflux ) THEN
	977	CALL disturb_heatflux
	978	ELSE
	979	shf = surface_heatflux
	980	!
[1241]	981	!-- Initialize shf with data from external file LSF_DATA
	982	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	983	CALL ls_forcing_surf ( simulated_time )
	984	ENDIF
	985
	986	!
[1]	987	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	988	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	989	DO i = nxlg, nxrg
	990	DO j = nysg, nyng
[1]	991	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	992	shf(j,i) = wall_heatflux(0)
	993	ENDIF
	994	ENDDO
	995	ENDDO
	996	ENDIF
	997	ENDIF
	998	ENDIF
	999
	1000	!
	1001	!-- Determine the near-surface water flux
[75]	1002	IF ( humidity .OR. passive_scalar ) THEN
[1115]	1003	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1004	precipitation ) THEN
	1005	qrsws = 0.0
	1006	nrsws = 0.0
[1053]	1007	ENDIF
[1]	1008	IF ( constant_waterflux ) THEN
	1009	qsws = surface_waterflux
[407]	1010	!
	1011	!-- Over topography surface_waterflux is replaced by
	1012	!-- wall_humidityflux(0)
	1013	IF ( TRIM( topography ) /= 'flat' ) THEN
	1014	wall_qflux = wall_humidityflux
[667]	1015	DO i = nxlg, nxrg
	1016	DO j = nysg, nyng
[407]	1017	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1018	qsws(j,i) = wall_qflux(0)
	1019	ENDIF
	1020	ENDDO
	1021	ENDDO
	1022	ENDIF
[1]	1023	ENDIF
	1024	ENDIF
	1025
	1026	ENDIF
	1027
	1028	!
[19]	1029	!-- Initialize fluxes at top surface
[94]	1030	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1031	!-- The latent flux is zero in this case!
[19]	1032	IF ( use_top_fluxes ) THEN
	1033
	1034	IF ( constant_top_heatflux ) THEN
	1035	!
	1036	!-- Heat flux is prescribed
	1037	tswst = top_heatflux
	1038
[1053]	1039	IF ( humidity .OR. passive_scalar ) THEN
	1040	qswst = 0.0
[1115]	1041	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1042	precipitation ) THEN
[1053]	1043	nrswst = 0.0
	1044	qrswst = 0.0
	1045	ENDIF
	1046	ENDIF
[94]	1047
	1048	IF ( ocean ) THEN
[95]	1049	saswsb = bottom_salinityflux
[94]	1050	saswst = top_salinityflux
	1051	ENDIF
[102]	1052	ENDIF
[19]	1053
[102]	1054	!
	1055	!-- Initialization in case of a coupled model run
	1056	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	1057	tswst = 0.0
	1058	ENDIF
	1059
[19]	1060	ENDIF
	1061
	1062	!
[1]	1063	!-- Initialize Prandtl layer quantities
	1064	IF ( prandtl_layer ) THEN
	1065
	1066	z0 = roughness_length
[978]	1067	z0h = z0h_factor * z0
[1]	1068
	1069	IF ( .NOT. constant_heatflux ) THEN
	1070	!
	1071	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1072	!-- simply estimated, because therefore rif, u* and theta* would have
	1073	!-- to be computed by iteration. This is why the heat flux is assumed
	1074	!-- to be zero before the first time step. It approaches its correct
	1075	!-- value in the course of the first few time steps.
	1076	shf = 0.0
	1077	ENDIF
	1078
[75]	1079	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1080	IF ( .NOT. constant_waterflux ) qsws = 0.0
[1115]	1081	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1082	precipitation ) THEN
	1083	qrsws = 0.0
	1084	nrsws = 0.0
[1053]	1085	ENDIF
[1]	1086	ENDIF
	1087
	1088	ENDIF
	1089
[1179]	1090	!
	1091	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1092	!-- the reference state will be set (overwritten) in init_ocean)
	1093	IF ( use_single_reference_value ) THEN
	1094	IF ( .NOT. humidity ) THEN
	1095	ref_state(:) = pt_reference
	1096	ELSE
	1097	ref_state(:) = vpt_reference
	1098	ENDIF
	1099	ELSE
	1100	IF ( .NOT. humidity ) THEN
	1101	ref_state(:) = pt_init(:)
	1102	ELSE
	1103	ref_state(:) = vpt(:,nys,nxl)
	1104	ENDIF
	1105	ENDIF
[152]	1106
	1107	!
[707]	1108	!-- For the moment, vertical velocity is zero
	1109	w = 0.0
[1]	1110
	1111	!
	1112	!-- Initialize array sums (must be defined in first call of pres)
	1113	sums = 0.0
	1114
	1115	!
[707]	1116	!-- In case of iterative solvers, p must get an initial value
	1117	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0
	1118
	1119	!
[72]	1120	!-- Treating cloud physics, liquid water content and precipitation amount
	1121	!-- are zero at beginning of the simulation
	1122	IF ( cloud_physics ) THEN
	1123	ql = 0.0
	1124	IF ( precipitation ) precipitation_amount = 0.0
[1115]	1125	IF ( icloud_scheme == 0 ) THEN
	1126	qc = 0.0
	1127	nc_1d = nc_const
	1128	ENDIF
[72]	1129	ENDIF
[673]	1130	!
[1]	1131	!-- Impose vortex with vertical axis on the initial velocity profile
	1132	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1133	CALL init_rankine
	1134	ENDIF
	1135
	1136	!
	1137	!-- Impose temperature anomaly (advection test only)
	1138	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1139	CALL init_pt_anomaly
	1140	ENDIF
	1141
	1142	!
	1143	!-- If required, change the surface temperature at the start of the 3D run
	1144	IF ( pt_surface_initial_change /= 0.0 ) THEN
	1145	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1146	ENDIF
	1147
	1148	!
	1149	!-- If required, change the surface humidity/scalar at the start of the 3D
	1150	!-- run
[75]	1151	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	1152	q_surface_initial_change /= 0.0 ) THEN
	1153	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1154	ENDIF
	1155	!
	1156	!-- Initialize the random number generator (from numerical recipes)
	1157	CALL random_function_ini
	1158
	1159	!
	1160	!-- Initialize old and new time levels.
[1001]	1161	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1]	1162	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1163
[75]	1164	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1165	tq_m = 0.0
[1]	1166	q_p = q
[1115]	1167	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1168	precipitation ) THEN
[1053]	1169	tqr_m = 0.0
	1170	qr_p = qr
	1171	tnr_m = 0.0
	1172	nr_p = nr
	1173	ENDIF
[1]	1174	ENDIF
	1175
[94]	1176	IF ( ocean ) THEN
	1177	tsa_m = 0.0
	1178	sa_p = sa
	1179	ENDIF
[667]	1180
[94]	1181
[147]	1182	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1183	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1184	THEN
	1185	!
[767]	1186	!-- When reading data for cyclic fill of 3D prerun data files, read
	1187	!-- some of the global variables from the restart file which are required
	1188	!-- for initializing the inflow
[328]	1189	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1190
[759]	1191	DO i = 0, io_blocks-1
	1192	IF ( i == io_group ) THEN
	1193	CALL read_parts_of_var_list
	1194	CALL close_file( 13 )
	1195	ENDIF
	1196	#if defined( __parallel )
	1197	CALL MPI_BARRIER( comm2d, ierr )
	1198	#endif
	1199	ENDDO
[328]	1200
[767]	1201	ENDIF
	1202
[151]	1203	!
[767]	1204	!-- Read binary data from restart file
	1205	DO i = 0, io_blocks-1
	1206	IF ( i == io_group ) THEN
	1207	CALL read_3d_binary
	1208	ENDIF
	1209	#if defined( __parallel )
	1210	CALL MPI_BARRIER( comm2d, ierr )
	1211	#endif
	1212	ENDDO
	1213
[328]	1214	!
[767]	1215	!-- Initialization of the turbulence recycling method
	1216	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1217	turbulent_inflow ) THEN
	1218	!
	1219	!-- First store the profiles to be used at the inflow.
	1220	!-- These profiles are the (temporally) and horizontally averaged vertical
	1221	!-- profiles from the prerun. Alternatively, prescribed profiles
	1222	!-- for u,v-components can be used.
	1223	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1224
[767]	1225	IF ( use_prescribed_profile_data ) THEN
	1226	mean_inflow_profiles(:,1) = u_init ! u
	1227	mean_inflow_profiles(:,2) = v_init ! v
	1228	ELSE
[328]	1229	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1230	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1231	ENDIF
	1232	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1233	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1234
	1235	!
[767]	1236	!-- If necessary, adjust the horizontal flow field to the prescribed
	1237	!-- profiles
	1238	IF ( use_prescribed_profile_data ) THEN
	1239	DO i = nxlg, nxrg
[667]	1240	DO j = nysg, nyng
[328]	1241	DO k = nzb, nzt+1
[767]	1242	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1243	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1244	ENDDO
[151]	1245	ENDDO
[767]	1246	ENDDO
	1247	ENDIF
[151]	1248
	1249	!
[767]	1250	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1251	!-- conditions are used)
	1252	IF ( inflow_l ) THEN
	1253	DO j = nysg, nyng
	1254	DO k = nzb, nzt+1
	1255	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1256	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
	1257	w(k,j,nxlg:-1) = 0.0
	1258	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1259	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1260	ENDDO
	1261	ENDDO
	1262	ENDIF
	1263
[151]	1264	!
[767]	1265	!-- Calculate the damping factors to be used at the inflow. For a
	1266	!-- turbulent inflow the turbulent fluctuations have to be limited
	1267	!-- vertically because otherwise the turbulent inflow layer will grow
	1268	!-- in time.
	1269	IF ( inflow_damping_height == 9999999.9 ) THEN
	1270	!
	1271	!-- Default: use the inversion height calculated by the prerun; if
	1272	!-- this is zero, inflow_damping_height must be explicitly
	1273	!-- specified.
	1274	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	1275	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1276	ELSE
	1277	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1278	'explicitly specified because&the inversion height ', &
	1279	'calculated by the prerun is zero.'
	1280	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1281	ENDIF
[151]	1282
[767]	1283	ENDIF
	1284
	1285	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	1286	!
[767]	1287	!-- Default for the transition range: one tenth of the undamped
	1288	!-- layer
	1289	inflow_damping_width = 0.1 * inflow_damping_height
[151]	1290
[767]	1291	ENDIF
[151]	1292
[767]	1293	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1294
[767]	1295	DO k = nzb, nzt+1
[151]	1296
[767]	1297	IF ( zu(k) <= inflow_damping_height ) THEN
	1298	inflow_damping_factor(k) = 1.0
[996]	1299	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
	1300	inflow_damping_factor(k) = 1.0 - &
	1301	( zu(k) - inflow_damping_height ) / &
	1302	inflow_damping_width
[767]	1303	ELSE
	1304	inflow_damping_factor(k) = 0.0
	1305	ENDIF
[151]	1306
[767]	1307	ENDDO
[151]	1308
[147]	1309	ENDIF
	1310
[152]	1311	!
[359]	1312	!-- Inside buildings set velocities and TKE back to zero
	1313	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1314	topography /= 'flat' ) THEN
	1315	!
	1316	!-- Inside buildings set velocities and TKE back to zero.
	1317	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1318	!-- maybe revise later.
[1001]	1319	DO i = nxlg, nxrg
	1320	DO j = nysg, nyng
	1321	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1322	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1323	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1324	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1325	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1326	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1327	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1328	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1329	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
[359]	1330	ENDDO
[1001]	1331	ENDDO
[359]	1332
	1333	ENDIF
	1334
	1335	!
[1]	1336	!-- Calculate initial temperature field and other constants used in case
	1337	!-- of a sloping surface
	1338	IF ( sloping_surface ) CALL init_slope
	1339
	1340	!
	1341	!-- Initialize new time levels (only done in order to set boundary values
	1342	!-- including ghost points)
	1343	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1344	IF ( humidity .OR. passive_scalar ) THEN
	1345	q_p = q
[1115]	1346	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1347	precipitation ) THEN
[1053]	1348	qr_p = qr
	1349	nr_p = nr
	1350	ENDIF
	1351	ENDIF
[94]	1352	IF ( ocean ) sa_p = sa
[1]	1353
[181]	1354	!
	1355	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1356	!-- have to be predefined here because they are used (but multiplied with 0)
	1357	!-- there before they are set.
[1001]	1358	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1053]	1359	IF ( humidity .OR. passive_scalar ) THEN
	1360	tq_m = 0.0
[1115]	1361	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1362	precipitation ) THEN
[1053]	1363	tqr_m = 0.0
	1364	tnr_m = 0.0
	1365	ENDIF
	1366	ENDIF
[1001]	1367	IF ( ocean ) tsa_m = 0.0
[181]	1368
[1]	1369	ELSE
	1370	!
	1371	!-- Actually this part of the programm should not be reached
[254]	1372	message_string = 'unknown initializing problem'
	1373	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1374	ENDIF
	1375
[151]	1376
	1377	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1378	!
[151]	1379	!-- Initialize old timelevels needed for radiation boundary conditions
	1380	IF ( outflow_l ) THEN
	1381	u_m_l(:,:,:) = u(:,:,1:2)
	1382	v_m_l(:,:,:) = v(:,:,0:1)
	1383	w_m_l(:,:,:) = w(:,:,0:1)
	1384	ENDIF
	1385	IF ( outflow_r ) THEN
	1386	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1387	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1388	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1389	ENDIF
	1390	IF ( outflow_s ) THEN
	1391	u_m_s(:,:,:) = u(:,0:1,:)
	1392	v_m_s(:,:,:) = v(:,1:2,:)
	1393	w_m_s(:,:,:) = w(:,0:1,:)
	1394	ENDIF
	1395	IF ( outflow_n ) THEN
	1396	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1397	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1398	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1399	ENDIF
[667]	1400
[151]	1401	ENDIF
[680]	1402
[667]	1403	!
	1404	!-- Calculate the initial volume flow at the right and north boundary
[709]	1405	IF ( conserve_volume_flow ) THEN
[151]	1406
[767]	1407	IF ( use_prescribed_profile_data ) THEN
[667]	1408
[732]	1409	volume_flow_initial_l = 0.0
	1410	volume_flow_area_l = 0.0
	1411
[667]	1412	IF ( nxr == nx ) THEN
	1413	DO j = nys, nyn
[709]	1414	DO k = nzb_2d(j,nx)+1, nzt
[667]	1415	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1416	u_init(k) * dzw(k)
	1417	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1418	ENDDO
	1419	ENDDO
	1420	ENDIF
	1421
	1422	IF ( nyn == ny ) THEN
	1423	DO i = nxl, nxr
	1424	DO k = nzb_2d(ny,i)+1, nzt
	1425	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1426	v_init(k) * dzw(k)
	1427	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1428	ENDDO
	1429	ENDDO
	1430	ENDIF
	1431
	1432	#if defined( __parallel )
	1433	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1434	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1435	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1436	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1437
	1438	#else
	1439	volume_flow_initial = volume_flow_initial_l
	1440	volume_flow_area = volume_flow_area_l
	1441	#endif
	1442
	1443	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1444
	1445	volume_flow_initial_l = 0.0
	1446	volume_flow_area_l = 0.0
	1447
	1448	IF ( nxr == nx ) THEN
	1449	DO j = nys, nyn
	1450	DO k = nzb_2d(j,nx)+1, nzt
	1451	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1452	hom_sum(k,1,0) * dzw(k)
	1453	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1454	ENDDO
	1455	ENDDO
	1456	ENDIF
	1457
	1458	IF ( nyn == ny ) THEN
	1459	DO i = nxl, nxr
[709]	1460	DO k = nzb_2d(ny,i)+1, nzt
[667]	1461	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1462	hom_sum(k,2,0) * dzw(k)
[667]	1463	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1464	ENDDO
	1465	ENDDO
	1466	ENDIF
	1467
[732]	1468	#if defined( __parallel )
	1469	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1470	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1471	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1472	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1473
	1474	#else
	1475	volume_flow_initial = volume_flow_initial_l
	1476	volume_flow_area = volume_flow_area_l
	1477	#endif
	1478
[667]	1479	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1480
[732]	1481	volume_flow_initial_l = 0.0
	1482	volume_flow_area_l = 0.0
	1483
[667]	1484	IF ( nxr == nx ) THEN
	1485	DO j = nys, nyn
[709]	1486	DO k = nzb_2d(j,nx)+1, nzt
[667]	1487	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1488	u(k,j,nx) * dzw(k)
[667]	1489	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1490	ENDDO
	1491	ENDDO
	1492	ENDIF
	1493
	1494	IF ( nyn == ny ) THEN
	1495	DO i = nxl, nxr
[709]	1496	DO k = nzb_2d(ny,i)+1, nzt
[667]	1497	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1498	v(k,ny,i) * dzw(k)
	1499	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1500	ENDDO
	1501	ENDDO
	1502	ENDIF
	1503
	1504	#if defined( __parallel )
[732]	1505	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1506	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1507	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1508	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1509
	1510	#else
[732]	1511	volume_flow_initial = volume_flow_initial_l
	1512	volume_flow_area = volume_flow_area_l
[667]	1513	#endif
	1514
[732]	1515	ENDIF
	1516
[151]	1517	!
[709]	1518	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1519	!-- from u\|v_bulk instead
[680]	1520	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1521	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1522	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1523	ENDIF
[667]	1524
[680]	1525	ENDIF
	1526
[787]	1527	!
	1528	!-- Initialize quantities for special advections schemes
	1529	CALL init_advec
[680]	1530
[667]	1531	!
[680]	1532	!-- Impose random perturbation on the horizontal velocity field and then
	1533	!-- remove the divergences from the velocity field at the initial stage
	1534	IF ( create_disturbances .AND. &
	1535	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1536	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1537
	1538	CALL disturb_field( nzb_u_inner, tend, u )
	1539	CALL disturb_field( nzb_v_inner, tend, v )
	1540	n_sor = nsor_ini
[1221]	1541	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1542	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1543	!$acc copyin( weight_pres, weight_substep ) &
	1544	!$acc copy( tri, tric, u, v, w )
[680]	1545	CALL pres
[1111]	1546	!$acc end data
[680]	1547	n_sor = nsor
	1548	ENDIF
	1549
	1550	!
[138]	1551	!-- Initialization of the leaf area density
[709]	1552	IF ( plant_canopy ) THEN
[138]	1553
	1554	SELECT CASE ( TRIM( canopy_mode ) )
	1555
	1556	CASE( 'block' )
	1557
[667]	1558	DO i = nxlg, nxrg
	1559	DO j = nysg, nyng
[138]	1560	lad_s(:,j,i) = lad(:)
	1561	cdc(:,j,i) = drag_coefficient
[709]	1562	IF ( passive_scalar ) THEN
[153]	1563	sls(:,j,i) = leaf_surface_concentration
	1564	sec(:,j,i) = scalar_exchange_coefficient
	1565	ENDIF
[138]	1566	ENDDO
	1567	ENDDO
	1568
	1569	CASE DEFAULT
	1570
	1571	!
	1572	!-- The DEFAULT case is reached either if the parameter
	1573	!-- canopy mode contains a wrong character string or if the
	1574	!-- user has coded a special case in the user interface.
	1575	!-- There, the subroutine user_init_plant_canopy checks
	1576	!-- which of these two conditions applies.
	1577	CALL user_init_plant_canopy
	1578
	1579	END SELECT
	1580
[667]	1581	CALL exchange_horiz( lad_s, nbgp )
	1582	CALL exchange_horiz( cdc, nbgp )
[138]	1583
[709]	1584	IF ( passive_scalar ) THEN
[667]	1585	CALL exchange_horiz( sls, nbgp )
	1586	CALL exchange_horiz( sec, nbgp )
[153]	1587	ENDIF
	1588
	1589	!
	1590	!-- Sharp boundaries of the plant canopy in horizontal directions
	1591	!-- In vertical direction the interpolation is retained, as the leaf
	1592	!-- area density is initialised by prescribing a vertical profile
	1593	!-- consisting of piecewise linear segments. The upper boundary
	1594	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1595
[138]	1596	DO i = nxl, nxr
	1597	DO j = nys, nyn
	1598	DO k = nzb, nzt+1
[709]	1599	IF ( lad_s(k,j,i) > 0.0 ) THEN
[153]	1600	lad_u(k,j,i) = lad_s(k,j,i)
	1601	lad_u(k,j,i+1) = lad_s(k,j,i)
	1602	lad_v(k,j,i) = lad_s(k,j,i)
	1603	lad_v(k,j+1,i) = lad_s(k,j,i)
	1604	ENDIF
[138]	1605	ENDDO
	1606	DO k = nzb, nzt
	1607	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1608	ENDDO
	1609	ENDDO
	1610	ENDDO
	1611
[153]	1612	lad_w(pch_index,:,:) = 0.0
	1613	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1614
[667]	1615	CALL exchange_horiz( lad_u, nbgp )
	1616	CALL exchange_horiz( lad_v, nbgp )
	1617	CALL exchange_horiz( lad_w, nbgp )
[153]	1618
	1619	!
	1620	!-- Initialisation of the canopy heat source distribution
[709]	1621	IF ( cthf /= 0.0 ) THEN
[153]	1622	!
	1623	!-- Piecewise evaluation of the leaf area index by
	1624	!-- integration of the leaf area density
	1625	lai(:,:,:) = 0.0
[667]	1626	DO i = nxlg, nxrg
	1627	DO j = nysg, nyng
[153]	1628	DO k = pch_index-1, 0, -1
	1629	lai(k,j,i) = lai(k+1,j,i) + &
	1630	( 0.5 * ( lad_w(k+1,j,i) + &
	1631	lad_s(k+1,j,i) ) * &
	1632	( zw(k+1) - zu(k+1) ) ) + &
	1633	( 0.5 * ( lad_w(k,j,i) + &
	1634	lad_s(k+1,j,i) ) * &
	1635	( zu(k+1) - zw(k) ) )
	1636	ENDDO
	1637	ENDDO
	1638	ENDDO
	1639
	1640	!
	1641	!-- Evaluation of the upward kinematic vertical heat flux within the
	1642	!-- canopy
[667]	1643	DO i = nxlg, nxrg
	1644	DO j = nysg, nyng
[153]	1645	DO k = 0, pch_index
	1646	canopy_heat_flux(k,j,i) = cthf * &
	1647	exp( -0.6 * lai(k,j,i) )
	1648	ENDDO
	1649	ENDDO
	1650	ENDDO
	1651
	1652	!
	1653	!-- The near surface heat flux is derived from the heat flux
	1654	!-- distribution within the canopy
	1655	shf(:,:) = canopy_heat_flux(0,:,:)
	1656
	1657	ENDIF
	1658
[138]	1659	ENDIF
	1660
	1661	!
[1]	1662	!-- If required, initialize dvrp-software
	1663	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1664
[96]	1665	IF ( ocean ) THEN
[1]	1666	!
[96]	1667	!-- Initialize quantities needed for the ocean model
	1668	CALL init_ocean
[388]	1669
[96]	1670	ELSE
	1671	!
	1672	!-- Initialize quantities for handling cloud physics
[849]	1673	!-- This routine must be called before lpm_init, because
[96]	1674	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1675	!-- lpm_init) is not defined.
[96]	1676	CALL init_cloud_physics
	1677	ENDIF
[1]	1678
	1679	!
	1680	!-- If required, initialize particles
[849]	1681	IF ( particle_advection ) CALL lpm_init
[1]	1682
	1683	!
[673]	1684	!-- Initialize the ws-scheme.
	1685	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1686
	1687	!
[709]	1688	!-- Setting weighting factors for calculation of perturbation pressure
	1689	!-- and turbulent quantities from the RK substeps
	1690	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1691
[713]	1692	weight_substep(1) = 1./6.
	1693	weight_substep(2) = 3./10.
	1694	weight_substep(3) = 8./15.
[709]	1695
[713]	1696	weight_pres(1) = 1./3.
	1697	weight_pres(2) = 5./12.
	1698	weight_pres(3) = 1./4.
[709]	1699
	1700	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1701
[713]	1702	weight_substep(1) = 1./2.
	1703	weight_substep(2) = 1./2.
[673]	1704
[713]	1705	weight_pres(1) = 1./2.
	1706	weight_pres(2) = 1./2.
[709]	1707
[1001]	1708	ELSE ! for Euler-method
[709]	1709
[673]	1710	weight_substep(1) = 1.0
[709]	1711	weight_pres(1) = 1.0
	1712
[673]	1713	ENDIF
	1714
	1715	!
[1]	1716	!-- Initialize Rayleigh damping factors
[785]	1717	rdf = 0.0
	1718	rdf_sc = 0.0
[1]	1719	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1720	IF ( .NOT. ocean ) THEN
	1721	DO k = nzb+1, nzt
	1722	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1723	rdf(k) = rayleigh_damping_factor * &
[1]	1724	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1725	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1726	)**2
[108]	1727	ENDIF
	1728	ENDDO
	1729	ELSE
	1730	DO k = nzt, nzb+1, -1
	1731	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1732	rdf(k) = rayleigh_damping_factor * &
	1733	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1734	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1735	)**2
	1736	ENDIF
	1737	ENDDO
	1738	ENDIF
[1]	1739	ENDIF
[785]	1740	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1741
	1742	!
[240]	1743	!-- Initialize the starting level and the vertical smoothing factor used for
	1744	!-- the external pressure gradient
	1745	dp_smooth_factor = 1.0
	1746	IF ( dp_external ) THEN
	1747	!
	1748	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1749	!-- (e.g. in init_grid).
	1750	IF ( dp_level_ind_b == 0 ) THEN
	1751	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1752	dp_level_ind_b = ind_array(1) - 1 + nzb
	1753	! MINLOC uses lower array bound 1
	1754	ENDIF
	1755	IF ( dp_smooth ) THEN
	1756	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1757	DO k = dp_level_ind_b+1, nzt
	1758	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1759	( REAL( k - dp_level_ind_b ) / &
	1760	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1761	ENDDO
	1762	ENDIF
	1763	ENDIF
	1764
	1765	!
[978]	1766	!-- Initialize damping zone for the potential temperature in case of
	1767	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1768	!-- at the inflow boundary and decreases to zero at pt_damping_width.
	1769	ptdf_x = 0.0
	1770	ptdf_y = 0.0
[1159]	1771	IF ( bc_lr_dirrad ) THEN
[996]	1772	DO i = nxl, nxr
[978]	1773	IF ( ( i * dx ) < pt_damping_width ) THEN
	1774	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5 * &
	1775	REAL( pt_damping_width - i * dx ) / ( &
	1776	REAL( pt_damping_width ) ) ) )**2
[73]	1777	ENDIF
	1778	ENDDO
[1159]	1779	ELSEIF ( bc_lr_raddir ) THEN
[996]	1780	DO i = nxl, nxr
[978]	1781	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[996]	1782	ptdf_x(i) = pt_damping_factor * &
	1783	SIN( pi * 0.5 * ( ( i - nx ) * dx + pt_damping_width ) / &
	1784	REAL( pt_damping_width ) )**2
[73]	1785	ENDIF
[978]	1786	ENDDO
[1159]	1787	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1788	DO j = nys, nyn
[978]	1789	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[996]	1790	ptdf_y(j) = pt_damping_factor * &
	1791	SIN( pi * 0.5 * ( ( j - ny ) * dy + pt_damping_width ) / &
	1792	REAL( pt_damping_width ) )**2
[1]	1793	ENDIF
[978]	1794	ENDDO
[1159]	1795	ELSEIF ( bc_ns_raddir ) THEN
[996]	1796	DO j = nys, nyn
[978]	1797	IF ( ( j * dy ) < pt_damping_width ) THEN
[996]	1798	ptdf_y(j) = pt_damping_factor * &
	1799	SIN( pi * 0.5 * ( pt_damping_width - j * dy ) / &
	1800	REAL( pt_damping_width ) )**2
[1]	1801	ENDIF
[73]	1802	ENDDO
[1]	1803	ENDIF
	1804
	1805	!
[709]	1806	!-- Initialize local summation arrays for routine flow_statistics.
	1807	!-- This is necessary because they may not yet have been initialized when they
	1808	!-- are called from flow_statistics (or - depending on the chosen model run -
	1809	!-- are never initialized)
[1]	1810	sums_divnew_l = 0.0
	1811	sums_divold_l = 0.0
	1812	sums_l_l = 0.0
	1813	sums_up_fraction_l = 0.0
	1814	sums_wsts_bc_l = 0.0
	1815
	1816	!
	1817	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1818	!-- Ghost points are excluded because counting values at the ghost boundaries
	1819	!-- would bias the statistics
[1]	1820	rmask = 1.0
[1025]	1821	rmask(:,nxlg:nxl-1,:) = 0.0; rmask(:,nxr+1:nxrg,:) = 0.0
	1822	rmask(nysg:nys-1,:,:) = 0.0; rmask(nyn+1:nyng,:,:) = 0.0
[1]	1823
	1824	!
[51]	1825	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1826	!-- of allowed timeseries is exceeded
[1]	1827	CALL user_init
	1828
[51]	1829	IF ( dots_num > dots_max ) THEN
[254]	1830	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1831	' its maximum of dots_max = ', dots_max, &
[254]	1832	' &Please increase dots_max in modules.f90.'
	1833	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1834	ENDIF
	1835
[1]	1836	!
	1837	!-- Input binary data file is not needed anymore. This line must be placed
	1838	!-- after call of user_init!
	1839	CALL close_file( 13 )
	1840
	1841	!
	1842	!-- Compute total sum of active mask grid points
	1843	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1844	!-- total domain
	1845	!-- ngp_3d: number of grid points of the total domain
[132]	1846	ngp_2dh_outer_l = 0
	1847	ngp_2dh_outer = 0
	1848	ngp_2dh_s_inner_l = 0
	1849	ngp_2dh_s_inner = 0
	1850	ngp_2dh_l = 0
	1851	ngp_2dh = 0
[485]	1852	ngp_3d_inner_l = 0.0
[132]	1853	ngp_3d_inner = 0
	1854	ngp_3d = 0
	1855	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1856
	1857	DO sr = 0, statistic_regions
	1858	DO i = nxl, nxr
	1859	DO j = nys, nyn
	1860	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1861	!
	1862	!-- All xy-grid points
	1863	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1864	!
	1865	!-- xy-grid points above topography
	1866	DO k = nzb_s_outer(j,i), nz + 1
	1867	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1868	ENDDO
[132]	1869	DO k = nzb_s_inner(j,i), nz + 1
	1870	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1871	ENDDO
[1]	1872	!
	1873	!-- All grid points of the total domain above topography
	1874	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1875	( nz - nzb_s_inner(j,i) + 2 )
	1876	ENDIF
	1877	ENDDO
	1878	ENDDO
	1879	ENDDO
	1880
	1881	sr = statistic_regions + 1
	1882	#if defined( __parallel )
[622]	1883	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1884	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1885	comm2d, ierr )
[622]	1886	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1887	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1888	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1889	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1890	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1891	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1892	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1893	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1894	MPI_SUM, comm2d, ierr )
[485]	1895	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1896	#else
[132]	1897	ngp_2dh = ngp_2dh_l
	1898	ngp_2dh_outer = ngp_2dh_outer_l
	1899	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1900	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1901	#endif
	1902
[560]	1903	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1904	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1905
	1906	!
	1907	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1908	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1909	!-- the respective subdomain lie below the surface topography
[667]	1910	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1911	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1912	ngp_3d_inner(:) )
[667]	1913	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1914
[485]	1915	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1916
	1917
	1918	END SUBROUTINE init_3d_model

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