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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1317

Last change on this file since 1317 was 1317, checked in by heinze, 10 years ago
last commit documented
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File size: 66.6 KB

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[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	!
[1310]	20	! Copyright 1997-2014 Leibniz Universitaet Hannover
[1036]	21	!--------------------------------------------------------------------------------!
	22	!
[254]	23	! Current revisions:
[732]	24	! ------------------
[1054]	25	!
[1317]	26	!
[1054]	27	! Former revisions:
	28	! -----------------
	29	! $Id: init_3d_model.f90 1317 2014-03-17 07:45:55Z heinze $
	30	!
[1317]	31	! 1316 2014-03-17 07:44:59Z heinze
	32	! Bugfix: allocation of w_subs
	33	!
[1300]	34	! 1299 2014-03-06 13:15:21Z heinze
	35	! Allocate w_subs due to extension of large scale subsidence in combination
	36	! with large scale forcing data (LSF_DATA)
	37	!
[1242]	38	! 1241 2013-10-30 11:36:58Z heinze
	39	! Overwrite initial profiles in case of nudging
	40	! Inititialize shf and qsws in case of large_scale_forcing
	41	!
[1222]	42	! 1221 2013-09-10 08:59:13Z raasch
	43	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	44	! copy
	45	!
[1213]	46	! 1212 2013-08-15 08:46:27Z raasch
	47	! array tri is allocated and included in data copy statement
	48	!
[1196]	49	! 1195 2013-07-01 12:27:57Z heinze
	50	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	51	!
[1182]	52	! 1179 2013-06-14 05:57:58Z raasch
	53	! allocate and set ref_state to be used in buoyancy terms
	54	!
[1172]	55	! 1171 2013-05-30 11:27:45Z raasch
	56	! diss array is allocated with full size if accelerator boards are used
	57	!
[1160]	58	! 1159 2013-05-21 11:58:22Z fricke
	59	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	60	!
[1154]	61	! 1153 2013-05-10 14:33:08Z raasch
	62	! diss array is allocated with dummy elements even if it is not needed
[1171]	63	! (required by PGI 13.4 / CUDA 5.0)
[1154]	64	!
[1116]	65	! 1115 2013-03-26 18:16:16Z hoffmann
	66	! unused variables removed
	67	!
[1114]	68	! 1113 2013-03-10 02:48:14Z raasch
	69	! openACC directive modified
	70	!
[1112]	71	! 1111 2013-03-08 23:54:10Z raasch
	72	! openACC directives added for pres
	73	! array diss allocated only if required
	74	!
[1093]	75	! 1092 2013-02-02 11:24:22Z raasch
	76	! unused variables removed
	77	!
[1066]	78	! 1065 2012-11-22 17:42:36Z hoffmann
	79	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	80	!
[1054]	81	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	82	! allocation and initialisation of necessary data arrays for the two-moment
	83	! cloud physics scheme the two new prognostic equations (nr, qr):
	84	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	85	! +tend_*, prr
[979]	86	!
[1037]	87	! 1036 2012-10-22 13:43:42Z raasch
	88	! code put under GPL (PALM 3.9)
	89	!
[1033]	90	! 1032 2012-10-21 13:03:21Z letzel
	91	! save memory by not allocating pt_2 in case of neutral = .T.
	92	!
[1026]	93	! 1025 2012-10-07 16:04:41Z letzel
	94	! bugfix: swap indices of mask for ghost boundaries
	95	!
[1017]	96	! 1015 2012-09-27 09:23:24Z raasch
	97	! mask is set to zero for ghost boundaries
	98	!
[1011]	99	! 1010 2012-09-20 07:59:54Z raasch
	100	! cpp switch __nopointer added for pointer free version
	101	!
[1004]	102	! 1003 2012-09-14 14:35:53Z raasch
	103	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	104	!
[1002]	105	! 1001 2012-09-13 14:08:46Z raasch
	106	! all actions concerning leapfrog scheme removed
	107	!
[997]	108	! 996 2012-09-07 10:41:47Z raasch
	109	! little reformatting
	110	!
[979]	111	! 978 2012-08-09 08:28:32Z fricke
[978]	112	! outflow damping layer removed
	113	! roughness length for scalar quantites z0h added
	114	! damping zone for the potential temperatur in case of non-cyclic lateral
	115	! boundaries added
	116	! initialization of ptdf_x, ptdf_y
	117	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	118	!
[850]	119	! 849 2012-03-15 10:35:09Z raasch
	120	! init_particles renamed lpm_init
	121	!
[826]	122	! 825 2012-02-19 03:03:44Z raasch
	123	! wang_collision_kernel renamed wang_kernel
	124	!
[791]	125	! 790 2011-11-29 03:11:20Z raasch
	126	! diss is also allocated in case that the Wang kernel is used
	127	!
[788]	128	! 787 2011-11-28 12:49:05Z heinze $
	129	! bugfix: call init_advec in every case - not only for inital runs
	130	!
[786]	131	! 785 2011-11-28 09:47:19Z raasch
	132	! initialization of rdf_sc
	133	!
[768]	134	! 767 2011-10-14 06:39:12Z raasch
	135	! adjustments concerning implementation of prescribed u,v-profiles
	136	! bugfix: dirichlet_0 conditions for ug/vg moved to check_parameters
	137	!
[760]	138	! 759 2011-09-15 13:58:31Z raasch
	139	! Splitting of parallel I/O in blocks of PEs
	140	! Bugfix: No zero assignments to volume_flow_initial and volume_flow_area in
	141	! case of normal restart runs.
	142	!
[714]	143	! 713 2011-03-30 14:21:21Z suehring
[732]	144	! weight_substep and weight_pres are given as fractions.
[714]	145	!
[710]	146	! 709 2011-03-30 09:31:40Z raasch
	147	! formatting adjustments
	148	!
[708]	149	! 707 2011-03-29 11:39:40Z raasch
[707]	150	! p_sub renamed p_loc and allocated depending on the chosen pressure solver,
	151	! initial assignments of zero to array p for iterative solvers only,
	152	! bc_lr/ns replaced by bc_lr/ns_dirrad/raddir
[674]	153	!
[708]	154	! 680 2011-02-04 23:16:06Z gryschka
[681]	155	! bugfix: volume_flow_control
[668]	156	!
[674]	157	! 673 2011-01-18 16:19:48Z suehring
	158	! weight_substep (moved from advec_ws) and weight_pres added.
	159	! Allocate p_sub when using Multigrid or SOR solver.
	160	! Call of ws_init moved behind the if requests.
	161	!
[668]	162	! 667 2010-12-23 12:06:00Z suehring/gryschka
[667]	163	! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng in loops and
	164	! allocation of arrays. Calls of exchange_horiz are modified.
[709]	165	! Call ws_init to initialize arrays needed for calculating statisticas and for
[667]	166	! optimization when ws-scheme is used.
	167	! Initial volume flow is now calculated by using the variable hom_sum.
	168	! Therefore the correction of initial volume flow for non-flat topography
	169	! removed (removed u_nzb_p1_for_vfc and v_nzb_p1_for_vfc)
	170	! Changed surface boundary conditions for u and v in case of ibc_uv_b == 0 from
[709]	171	! mirror to Dirichlet boundary conditions (u=v=0), so that k=nzb is
	172	! representative for the height z0.
[667]	173	! Bugfix: type conversion of '1' to 64bit for the MAX function (ngp_3d_inner)
	174	!
[623]	175	! 622 2010-12-10 08:08:13Z raasch
	176	! optional barriers included in order to speed up collective operations
	177	!
[561]	178	! 560 2010-09-09 10:06:09Z weinreis
	179	! bugfix: correction of calculating ngp_3d for 64 bit
	180	!
[486]	181	! 485 2010-02-05 10:57:51Z raasch
	182	! calculation of ngp_3d + ngp_3d_inner changed because they have now 64 bit
	183	!
[482]	184	! 407 2009-12-01 15:01:15Z maronga
	185	! var_ts is replaced by dots_max
	186	! Enabled passive scalar/humidity wall fluxes for non-flat topography
	187	!
[392]	188	! 388 2009-09-23 09:40:33Z raasch
[388]	189	! Initialization of prho added.
[359]	190	! bugfix: correction of initial volume flow for non-flat topography
	191	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	192	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	193	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	194	! independent of turbulent_inflow
[254]	195	! Output of messages replaced by message handling routine.
[240]	196	! Set the starting level and the vertical smoothing factor used for
	197	! the external pressure gradient
[254]	198	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	199	! and 'bulk_velocity'
[292]	200	! If the inversion height calculated by the prerun is zero,
	201	! inflow_damping_height must be explicitly specified.
[139]	202	!
[198]	203	! 181 2008-07-30 07:07:47Z raasch
	204	! bugfix: zero assignments to tendency arrays in case of restarts,
	205	! further extensions and modifications in the initialisation of the plant
	206	! canopy model,
	207	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	208	! after allocating theses arrays,
	209	! read data for recycling added as new initialization option,
	210	! dummy allocation for diss
	211	!
[139]	212	! 138 2007-11-28 10:03:58Z letzel
[132]	213	! New counter ngp_2dh_s_inner.
	214	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	215	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	216	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	217	!
[110]	218	! 108 2007-08-24 15:10:38Z letzel
	219	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	220	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	221	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	222	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	223	! TKE e_init
	224	!
[98]	225	! 97 2007-06-21 08:23:15Z raasch
	226	! Initialization of salinity, call of init_ocean
	227	!
[90]	228	! 87 2007-05-22 15:46:47Z raasch
	229	! var_hom and var_sum renamed pr_palm
	230	!
[77]	231	! 75 2007-03-22 09:54:05Z raasch
[73]	232	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	233	! bugfix for cases with the outflow damping layer extending over more than one
[75]	234	! subdomain, moisture renamed humidity,
	235	! new initializing action "by_user" calls user_init_3d_model,
[72]	236	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	237	! initial velocities at nzb+1 are regarded for volume
	238	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	239	! -uvmean_outflow, uxrp, vynp eliminated
[1]	240	!
[39]	241	! 19 2007-02-23 04:53:48Z raasch
	242	! +handling of top fluxes
	243	!
[3]	244	! RCS Log replace by Id keyword, revision history cleaned up
	245	!
[1]	246	! Revision 1.49 2006/08/22 15:59:07 raasch
	247	! No optimization of this file on the ibmy (Yonsei Univ.)
	248	!
	249	! Revision 1.1 1998/03/09 16:22:22 raasch
	250	! Initial revision
	251	!
	252	!
	253	! Description:
	254	! ------------
	255	! Allocation of arrays and initialization of the 3D model via
	256	! a) pre-run the 1D model
	257	! or
	258	! b) pre-set constant linear profiles
	259	! or
	260	! c) read values of a previous run
	261	!------------------------------------------------------------------------------!
	262
[667]	263	USE advec_ws
[1]	264	USE arrays_3d
	265	USE averaging
[72]	266	USE cloud_parameters
[1]	267	USE constants
	268	USE control_parameters
	269	USE cpulog
[978]	270	USE grid_variables
[1]	271	USE indices
	272	USE interfaces
[1241]	273	USE ls_forcing_mod
[1]	274	USE model_1d
[51]	275	USE netcdf_control
[1]	276	USE particle_attributes
	277	USE pegrid
	278	USE profil_parameter
	279	USE random_function_mod
	280	USE statistics
[1111]	281	USE transpose_indices
[1]	282
	283	IMPLICIT NONE
	284
[559]	285	INTEGER :: i, ind_array(1), j, k, sr
[1]	286
[485]	287	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l
[1]	288
[132]	289	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
[996]	290	ngp_2dh_s_inner_l
[1]	291
	292	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	293
[485]	294	REAL, DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l, ngp_3d_inner_tmp
[1]	295
[485]	296
[1]	297	!
	298	!-- Allocate arrays
	299	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	300	ngp_3d(0:statistic_regions), &
	301	ngp_3d_inner(0:statistic_regions), &
	302	ngp_3d_inner_l(0:statistic_regions), &
[485]	303	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	304	sums_divnew_l(0:statistic_regions), &
	305	sums_divold_l(0:statistic_regions) )
[1195]	306	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	307	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	308	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	309	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	310	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	311	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	312	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	313	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	314	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	315	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	316	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	317	ts_value(dots_max,0:statistic_regions) )
[978]	318	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	319
[1001]	320	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	321	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	322	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	323	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	324	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	325	z0h(nysg:nyng,nxlg:nxrg) )
[1]	326
[1010]	327	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	328	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	329	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	330	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	331	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	332
	333	#if defined( __nopointer )
	334	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	335	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	336	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	339	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	340	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	342	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	343	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	344	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	345	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	346	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	347	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	348	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	349	#else
	350	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	351	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	352	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	353	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	354	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	355	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	356	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	357	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	358	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	359	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	360	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	361	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	362	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	363	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	364	IF ( .NOT. neutral ) THEN
	365	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	366	ENDIF
[1010]	367	#endif
	368
[673]	369	!
[707]	370	!-- Following array is required for perturbation pressure within the iterative
	371	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	372	!-- the weighted average of the substeps and cannot be used in the Poisson
	373	!-- solver.
	374	IF ( psolver == 'sor' ) THEN
	375	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	376	ELSEIF ( psolver == 'multigrid' ) THEN
	377	!
	378	!-- For performance reasons, multigrid is using one ghost layer only
	379	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	380	ENDIF
[1]	381
[1111]	382	!
	383	!-- Array for storing constant coeffficients of the tridiagonal solver
	384	IF ( psolver == 'poisfft' ) THEN
[1212]	385	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	386	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	387	ENDIF
	388
[75]	389	IF ( humidity .OR. passive_scalar ) THEN
[1]	390	!
[75]	391	!-- 2D-humidity/scalar arrays
[1001]	392	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	393	qsws(nysg:nyng,nxlg:nxrg), &
	394	qswst(nysg:nyng,nxlg:nxrg) )
[1]	395
	396	!
[75]	397	!-- 3D-humidity/scalar arrays
[1010]	398	#if defined( __nopointer )
	399	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	400	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	401	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	402	#else
[667]	403	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	404	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	405	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	406	#endif
[1]	407
	408	!
[75]	409	!-- 3D-arrays needed for humidity only
	410	IF ( humidity ) THEN
[1010]	411	#if defined( __nopointer )
	412	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	413	#else
[667]	414	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	415	#endif
[1]	416
	417	IF ( cloud_physics ) THEN
[1053]	418
[1]	419	!
	420	!-- Liquid water content
[1010]	421	#if defined( __nopointer )
	422	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	423	#else
[667]	424	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	425	#endif
[72]	426	!
	427	!-- Precipitation amount and rate (only needed if output is switched)
[667]	428	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	429	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	430
	431	IF ( icloud_scheme == 0 ) THEN
	432	!
[1115]	433	!-- 1D-arrays
	434	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	435	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	436	!
[1115]	437	!-- 3D-cloud water content
[1053]	438	#if defined( __nopointer )
[1115]	439	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	440	#else
[1115]	441	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	442	#endif
	443	!
	444	!-- 3D-tendency arrays
[1115]	445	ALLOCATE( tend_pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	446	tend_q(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	447
	448	IF ( precipitation ) THEN
[1053]	449	!
[1115]	450	!-- 1D-arrays
	451	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
	452	!
	453	!
	454	!-- 3D-tendency arrays
	455	ALLOCATE( tend_nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	456	tend_qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	457	!
	458	!-- 2D-rain water content and rain drop concentration arrays
	459	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	460	qrsws(nysg:nyng,nxlg:nxrg), &
	461	qrswst(nysg:nyng,nxlg:nxrg), &
	462	nrs(nysg:nyng,nxlg:nxrg), &
	463	nrsws(nysg:nyng,nxlg:nxrg), &
	464	nrswst(nysg:nyng,nxlg:nxrg) )
	465	!
	466	!-- 3D-rain water content, rain drop concentration arrays
	467	#if defined( __nopointer )
	468	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	470	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	471	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	472	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	474	#else
	475	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	476	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	477	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	478	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	479	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	480	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	481	#endif
	482	!
	483	!-- 3d-precipitation rate
[1053]	484	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	485	ENDIF
	486
	487	ENDIF
[1]	488	ENDIF
	489
	490	IF ( cloud_droplets ) THEN
	491	!
[1010]	492	!-- Liquid water content, change in liquid water content
	493	#if defined( __nopointer )
	494	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	495	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	496	#else
[667]	497	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	498	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	499	#endif
	500	!
	501	!-- Real volume of particles (with weighting), volume of particles
	502	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	503	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	504	ENDIF
	505
	506	ENDIF
	507
	508	ENDIF
	509
[94]	510	IF ( ocean ) THEN
[1001]	511	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	512	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	513	#if defined( __nopointer )
	514	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	515	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	516	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	517	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	518	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	519	#else
[667]	520	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	521	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	522	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	523	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	524	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	525	prho => prho_1
	526	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	527	! density to be apointer
[1010]	528	#endif
[108]	529	IF ( humidity_remote ) THEN
[667]	530	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[108]	531	qswst_remote = 0.0
	532	ENDIF
[94]	533	ENDIF
	534
[1]	535	!
	536	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	537	!-- particle velocities
[1171]	538	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	539	num_acc_per_node > 0 ) THEN
[1153]	540	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	541	ENDIF
	542
	543	IF ( dt_dosp /= 9999999.9 ) THEN
	544	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	545	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	546	spectrum_x = 0.0
	547	spectrum_y = 0.0
[1]	548	ENDIF
	549
	550	!
[1299]	551	!-- 1D-array for large scale subsidence velocity
[1316]	552	ALLOCATE ( w_subs(nzb:nzt+1) )
	553	w_subs = 0.0
[1299]	554
[1316]	555
[1299]	556	!
[138]	557	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	558	IF ( plant_canopy ) THEN
[667]	559	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	560	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	561	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	562	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	563	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	564
	565	IF ( passive_scalar ) THEN
[996]	566	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	567	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	568	ENDIF
	569
	570	IF ( cthf /= 0.0 ) THEN
[996]	571	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	572	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	573	ENDIF
	574
[138]	575	ENDIF
	576
	577	!
[51]	578	!-- 4D-array for storing the Rif-values at vertical walls
	579	IF ( topography /= 'flat' ) THEN
[667]	580	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[51]	581	rif_wall = 0.0
	582	ENDIF
	583
	584	!
[106]	585	!-- Arrays to store velocity data from t-dt and the phase speeds which
	586	!-- are needed for radiation boundary conditions
[73]	587	IF ( outflow_l ) THEN
[667]	588	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	589	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	590	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	591	ENDIF
	592	IF ( outflow_r ) THEN
[667]	593	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	594	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	595	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	596	ENDIF
[106]	597	IF ( outflow_l .OR. outflow_r ) THEN
[667]	598	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	599	c_w(nzb:nzt+1,nysg:nyng) )
[106]	600	ENDIF
[73]	601	IF ( outflow_s ) THEN
[667]	602	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	603	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	604	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	605	ENDIF
	606	IF ( outflow_n ) THEN
[667]	607	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	608	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	609	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	610	ENDIF
[106]	611	IF ( outflow_s .OR. outflow_n ) THEN
[667]	612	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	613	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	614	ENDIF
[996]	615	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	616	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	617	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	618	ENDIF
[73]	619
[978]	620
[1010]	621	#if ! defined( __nopointer )
[73]	622	!
[1]	623	!-- Initial assignment of the pointers
[1001]	624	e => e_1; e_p => e_2; te_m => e_3
[1032]	625	IF ( .NOT. neutral ) THEN
	626	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	627	ELSE
	628	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	629	ENDIF
[1001]	630	u => u_1; u_p => u_2; tu_m => u_3
	631	v => v_1; v_p => v_2; tv_m => v_3
	632	w => w_1; w_p => w_2; tw_m => w_3
[1]	633
[1001]	634	IF ( humidity .OR. passive_scalar ) THEN
	635	q => q_1; q_p => q_2; tq_m => q_3
[1053]	636	IF ( humidity ) THEN
	637	vpt => vpt_1
	638	IF ( cloud_physics ) THEN
	639	ql => ql_1
	640	IF ( icloud_scheme == 0 ) THEN
[1115]	641	qc => qc_1
	642	IF ( precipitation ) THEN
	643	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	644	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	645	ENDIF
[1053]	646	ENDIF
	647	ENDIF
	648	ENDIF
[1001]	649	IF ( cloud_droplets ) THEN
	650	ql => ql_1
	651	ql_c => ql_2
[1]	652	ENDIF
[1001]	653	ENDIF
[1]	654
[1001]	655	IF ( ocean ) THEN
	656	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	657	ENDIF
[1010]	658	#endif
[1]	659
	660	!
[709]	661	!-- Allocate arrays containing the RK coefficient for calculation of
	662	!-- perturbation pressure and turbulent fluxes. At this point values are
	663	!-- set for pressure calculation during initialization (where no timestep
	664	!-- is done). Further below the values needed within the timestep scheme
	665	!-- will be set.
	666	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	667	weight_pres(1:intermediate_timestep_count_max) )
[709]	668	weight_substep = 1.0
	669	weight_pres = 1.0
	670	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	671
	672	!
[1]	673	!-- Initialize model variables
[147]	674	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	675	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	676	!
	677	!-- First model run of a possible job queue.
	678	!-- Initial profiles of the variables must be computes.
	679	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	680	!
	681	!-- Use solutions of the 1D model as initial profiles,
	682	!-- start 1D model
	683	CALL init_1d_model
	684	!
	685	!-- Transfer initial profiles to the arrays of the 3D model
[667]	686	DO i = nxlg, nxrg
	687	DO j = nysg, nyng
[1]	688	e(:,j,i) = e1d
	689	kh(:,j,i) = kh1d
	690	km(:,j,i) = km1d
	691	pt(:,j,i) = pt_init
	692	u(:,j,i) = u1d
	693	v(:,j,i) = v1d
	694	ENDDO
	695	ENDDO
	696
[75]	697	IF ( humidity .OR. passive_scalar ) THEN
[667]	698	DO i = nxlg, nxrg
	699	DO j = nysg, nyng
[1]	700	q(:,j,i) = q_init
	701	ENDDO
	702	ENDDO
[1115]	703	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	704	precipitation ) THEN
[1053]	705	DO i = nxlg, nxrg
	706	DO j = nysg, nyng
[1115]	707	qr(:,j,i) = 0.0
	708	nr(:,j,i) = 0.0
[1053]	709	ENDDO
	710	ENDDO
[1115]	711	!
	712	!-- Initialze nc_1d with default value
	713	nc_1d(:) = nc_const
	714
[1053]	715	ENDIF
[1]	716	ENDIF
	717
	718	IF ( .NOT. constant_diffusion ) THEN
[667]	719	DO i = nxlg, nxrg
	720	DO j = nysg, nyng
[1]	721	e(:,j,i) = e1d
	722	ENDDO
	723	ENDDO
	724	!
	725	!-- Store initial profiles for output purposes etc.
	726	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	727
	728	IF ( prandtl_layer ) THEN
	729	rif = rif1d(nzb+1)
	730	ts = 0.0 ! could actually be computed more accurately in the
	731	! 1D model. Update when opportunity arises.
	732	us = us1d
	733	usws = usws1d
	734	vsws = vsws1d
	735	ELSE
	736	ts = 0.0 ! must be set, because used in
	737	rif = 0.0 ! flowste
	738	us = 0.0
	739	usws = 0.0
	740	vsws = 0.0
	741	ENDIF
	742
	743	ELSE
	744	e = 0.0 ! must be set, because used in
	745	rif = 0.0 ! flowste
	746	ts = 0.0
	747	us = 0.0
	748	usws = 0.0
	749	vsws = 0.0
	750	ENDIF
[102]	751	uswst = top_momentumflux_u
	752	vswst = top_momentumflux_v
[1]	753
	754	!
	755	!-- In every case qs = 0.0 (see also pt)
	756	!-- This could actually be computed more accurately in the 1D model.
	757	!-- Update when opportunity arises!
[1053]	758	IF ( humidity .OR. passive_scalar ) THEN
	759	qs = 0.0
[1115]	760	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	761	precipitation ) THEN
[1053]	762	qrs = 0.0
	763	nrs = 0.0
	764	ENDIF
	765	ENDIF
[1]	766
	767	!
	768	!-- inside buildings set velocities back to zero
	769	IF ( topography /= 'flat' ) THEN
	770	DO i = nxl-1, nxr+1
	771	DO j = nys-1, nyn+1
	772	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	773	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	774	ENDDO
	775	ENDDO
[667]	776
[1]	777	!
	778	!-- WARNING: The extra boundary conditions set after running the
	779	!-- ------- 1D model impose an error on the divergence one layer
	780	!-- below the topography; need to correct later
	781	!-- ATTENTION: Provisional correction for Piacsek & Williams
	782	!-- --------- advection scheme: keep u and v zero one layer below
	783	!-- the topography.
[667]	784	IF ( ibc_uv_b == 1 ) THEN
	785	!
[1]	786	!-- Neumann condition
	787	DO i = nxl-1, nxr+1
	788	DO j = nys-1, nyn+1
	789	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	790	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	791	ENDDO
	792	ENDDO
	793
	794	ENDIF
	795
	796	ENDIF
	797
	798	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	799	THEN
[1241]	800
[1]	801	!
[1241]	802	!-- Overwrite initial profiles in case of nudging
	803	IF ( nudging ) THEN
	804	pt_init = ptnudge(:,1)
	805	u_init = unudge(:,1)
	806	v_init = vnudge(:,1)
	807	IF ( humidity .OR. passive_scalar ) THEN
	808	q_init = qnudge(:,1)
	809	ENDIF
	810
	811	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	812	'scalars from NUDGING_DATA are used.'
	813	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	814	ENDIF
	815
	816	!
[1]	817	!-- Use constructed initial profiles (velocity constant with height,
	818	!-- temperature profile with constant gradient)
[667]	819	DO i = nxlg, nxrg
	820	DO j = nysg, nyng
[1]	821	pt(:,j,i) = pt_init
	822	u(:,j,i) = u_init
	823	v(:,j,i) = v_init
	824	ENDDO
	825	ENDDO
[75]	826
[1]	827	!
[292]	828	!-- Set initial horizontal velocities at the lowest computational grid
	829	!-- levels to zero in order to avoid too small time steps caused by the
	830	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	831	!-- in the limiting formula!). The original values are stored to be later
	832	!-- used for volume flow control.
[667]	833	DO i = nxlg, nxrg
	834	DO j = nysg, nyng
[1]	835	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	836	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	837	ENDDO
	838	ENDDO
	839
[75]	840	IF ( humidity .OR. passive_scalar ) THEN
[667]	841	DO i = nxlg, nxrg
	842	DO j = nysg, nyng
[1]	843	q(:,j,i) = q_init
	844	ENDDO
	845	ENDDO
[1115]	846	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	847	!
	848	!-- Initialze nc_1d with default value
	849	nc_1d(:) = nc_const
	850
	851	IF ( precipitation ) THEN
	852	DO i = nxlg, nxrg
	853	DO j = nysg, nyng
	854	qr(:,j,i) = 0.0
	855	nr(:,j,i) = 0.0
	856	ENDDO
[1053]	857	ENDDO
[1115]	858	ENDIF
	859
[1053]	860	ENDIF
[1]	861	ENDIF
	862
[94]	863	IF ( ocean ) THEN
[667]	864	DO i = nxlg, nxrg
	865	DO j = nysg, nyng
[94]	866	sa(:,j,i) = sa_init
	867	ENDDO
	868	ENDDO
	869	ENDIF
[1]	870
	871	IF ( constant_diffusion ) THEN
	872	km = km_constant
	873	kh = km / prandtl_number
[108]	874	e = 0.0
	875	ELSEIF ( e_init > 0.0 ) THEN
	876	DO k = nzb+1, nzt
	877	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	878	ENDDO
	879	km(nzb,:,:) = km(nzb+1,:,:)
	880	km(nzt+1,:,:) = km(nzt,:,:)
	881	kh = km / prandtl_number
	882	e = e_init
[1]	883	ELSE
[108]	884	IF ( .NOT. ocean ) THEN
	885	kh = 0.01 ! there must exist an initial diffusion, because
	886	km = 0.01 ! otherwise no TKE would be produced by the
	887	! production terms, as long as not yet
	888	! e = (u/cm)*2 at k=nzb+1
	889	ELSE
	890	kh = 0.00001
	891	km = 0.00001
	892	ENDIF
	893	e = 0.0
[1]	894	ENDIF
[102]	895	rif = 0.0
	896	ts = 0.0
	897	us = 0.0
	898	usws = 0.0
	899	uswst = top_momentumflux_u
	900	vsws = 0.0
	901	vswst = top_momentumflux_v
[75]	902	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	903
	904	!
	905	!-- Compute initial temperature field and other constants used in case
	906	!-- of a sloping surface
	907	IF ( sloping_surface ) CALL init_slope
	908
[46]	909	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	910	THEN
	911	!
	912	!-- Initialization will completely be done by the user
	913	CALL user_init_3d_model
	914
[1]	915	ENDIF
[667]	916	!
	917	!-- Bottom boundary
	918	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
	919	u(nzb,:,:) = 0.0
	920	v(nzb,:,:) = 0.0
	921	ENDIF
[1]	922
	923	!
[151]	924	!-- Apply channel flow boundary condition
[132]	925	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	926	u(nzt+1,:,:) = 0.0
	927	v(nzt+1,:,:) = 0.0
	928	ENDIF
	929
	930	!
[1]	931	!-- Calculate virtual potential temperature
[75]	932	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	933
	934	!
	935	!-- Store initial profiles for output purposes etc.
	936	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	937	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	938	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
	939	hom(nzb,1,5,:) = 0.0
	940	hom(nzb,1,6,:) = 0.0
[1]	941	ENDIF
	942	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	943	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	944	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	945
[97]	946	IF ( ocean ) THEN
	947	!
	948	!-- Store initial salinity profile
	949	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	950	ENDIF
[1]	951
[75]	952	IF ( humidity ) THEN
[1]	953	!
	954	!-- Store initial profile of total water content, virtual potential
	955	!-- temperature
	956	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	957	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	958	IF ( cloud_physics .OR. cloud_droplets ) THEN
	959	!
	960	!-- Store initial profile of specific humidity and potential
	961	!-- temperature
	962	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	963	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	964	ENDIF
	965	ENDIF
	966
	967	IF ( passive_scalar ) THEN
	968	!
	969	!-- Store initial scalar profile
	970	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	971	ENDIF
	972
	973	!
[19]	974	!-- Initialize fluxes at bottom surface
[1]	975	IF ( use_surface_fluxes ) THEN
	976
	977	IF ( constant_heatflux ) THEN
	978	!
	979	!-- Heat flux is prescribed
	980	IF ( random_heatflux ) THEN
	981	CALL disturb_heatflux
	982	ELSE
	983	shf = surface_heatflux
	984	!
[1241]	985	!-- Initialize shf with data from external file LSF_DATA
	986	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	987	CALL ls_forcing_surf ( simulated_time )
	988	ENDIF
	989
	990	!
[1]	991	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	992	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	993	DO i = nxlg, nxrg
	994	DO j = nysg, nyng
[1]	995	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	996	shf(j,i) = wall_heatflux(0)
	997	ENDIF
	998	ENDDO
	999	ENDDO
	1000	ENDIF
	1001	ENDIF
	1002	ENDIF
	1003
	1004	!
	1005	!-- Determine the near-surface water flux
[75]	1006	IF ( humidity .OR. passive_scalar ) THEN
[1115]	1007	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1008	precipitation ) THEN
	1009	qrsws = 0.0
	1010	nrsws = 0.0
[1053]	1011	ENDIF
[1]	1012	IF ( constant_waterflux ) THEN
	1013	qsws = surface_waterflux
[407]	1014	!
	1015	!-- Over topography surface_waterflux is replaced by
	1016	!-- wall_humidityflux(0)
	1017	IF ( TRIM( topography ) /= 'flat' ) THEN
	1018	wall_qflux = wall_humidityflux
[667]	1019	DO i = nxlg, nxrg
	1020	DO j = nysg, nyng
[407]	1021	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1022	qsws(j,i) = wall_qflux(0)
	1023	ENDIF
	1024	ENDDO
	1025	ENDDO
	1026	ENDIF
[1]	1027	ENDIF
	1028	ENDIF
	1029
	1030	ENDIF
	1031
	1032	!
[19]	1033	!-- Initialize fluxes at top surface
[94]	1034	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1035	!-- The latent flux is zero in this case!
[19]	1036	IF ( use_top_fluxes ) THEN
	1037
	1038	IF ( constant_top_heatflux ) THEN
	1039	!
	1040	!-- Heat flux is prescribed
	1041	tswst = top_heatflux
	1042
[1053]	1043	IF ( humidity .OR. passive_scalar ) THEN
	1044	qswst = 0.0
[1115]	1045	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1046	precipitation ) THEN
[1053]	1047	nrswst = 0.0
	1048	qrswst = 0.0
	1049	ENDIF
	1050	ENDIF
[94]	1051
	1052	IF ( ocean ) THEN
[95]	1053	saswsb = bottom_salinityflux
[94]	1054	saswst = top_salinityflux
	1055	ENDIF
[102]	1056	ENDIF
[19]	1057
[102]	1058	!
	1059	!-- Initialization in case of a coupled model run
	1060	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	1061	tswst = 0.0
	1062	ENDIF
	1063
[19]	1064	ENDIF
	1065
	1066	!
[1]	1067	!-- Initialize Prandtl layer quantities
	1068	IF ( prandtl_layer ) THEN
	1069
	1070	z0 = roughness_length
[978]	1071	z0h = z0h_factor * z0
[1]	1072
	1073	IF ( .NOT. constant_heatflux ) THEN
	1074	!
	1075	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1076	!-- simply estimated, because therefore rif, u* and theta* would have
	1077	!-- to be computed by iteration. This is why the heat flux is assumed
	1078	!-- to be zero before the first time step. It approaches its correct
	1079	!-- value in the course of the first few time steps.
	1080	shf = 0.0
	1081	ENDIF
	1082
[75]	1083	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1084	IF ( .NOT. constant_waterflux ) qsws = 0.0
[1115]	1085	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1086	precipitation ) THEN
	1087	qrsws = 0.0
	1088	nrsws = 0.0
[1053]	1089	ENDIF
[1]	1090	ENDIF
	1091
	1092	ENDIF
	1093
[1179]	1094	!
	1095	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1096	!-- the reference state will be set (overwritten) in init_ocean)
	1097	IF ( use_single_reference_value ) THEN
	1098	IF ( .NOT. humidity ) THEN
	1099	ref_state(:) = pt_reference
	1100	ELSE
	1101	ref_state(:) = vpt_reference
	1102	ENDIF
	1103	ELSE
	1104	IF ( .NOT. humidity ) THEN
	1105	ref_state(:) = pt_init(:)
	1106	ELSE
	1107	ref_state(:) = vpt(:,nys,nxl)
	1108	ENDIF
	1109	ENDIF
[152]	1110
	1111	!
[707]	1112	!-- For the moment, vertical velocity is zero
	1113	w = 0.0
[1]	1114
	1115	!
	1116	!-- Initialize array sums (must be defined in first call of pres)
	1117	sums = 0.0
	1118
	1119	!
[707]	1120	!-- In case of iterative solvers, p must get an initial value
	1121	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0
	1122
	1123	!
[72]	1124	!-- Treating cloud physics, liquid water content and precipitation amount
	1125	!-- are zero at beginning of the simulation
	1126	IF ( cloud_physics ) THEN
	1127	ql = 0.0
	1128	IF ( precipitation ) precipitation_amount = 0.0
[1115]	1129	IF ( icloud_scheme == 0 ) THEN
	1130	qc = 0.0
	1131	nc_1d = nc_const
	1132	ENDIF
[72]	1133	ENDIF
[673]	1134	!
[1]	1135	!-- Impose vortex with vertical axis on the initial velocity profile
	1136	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1137	CALL init_rankine
	1138	ENDIF
	1139
	1140	!
	1141	!-- Impose temperature anomaly (advection test only)
	1142	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1143	CALL init_pt_anomaly
	1144	ENDIF
	1145
	1146	!
	1147	!-- If required, change the surface temperature at the start of the 3D run
	1148	IF ( pt_surface_initial_change /= 0.0 ) THEN
	1149	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1150	ENDIF
	1151
	1152	!
	1153	!-- If required, change the surface humidity/scalar at the start of the 3D
	1154	!-- run
[75]	1155	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	1156	q_surface_initial_change /= 0.0 ) THEN
	1157	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1158	ENDIF
	1159	!
	1160	!-- Initialize the random number generator (from numerical recipes)
	1161	CALL random_function_ini
	1162
	1163	!
	1164	!-- Initialize old and new time levels.
[1001]	1165	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1]	1166	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1167
[75]	1168	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1169	tq_m = 0.0
[1]	1170	q_p = q
[1115]	1171	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1172	precipitation ) THEN
[1053]	1173	tqr_m = 0.0
	1174	qr_p = qr
	1175	tnr_m = 0.0
	1176	nr_p = nr
	1177	ENDIF
[1]	1178	ENDIF
	1179
[94]	1180	IF ( ocean ) THEN
	1181	tsa_m = 0.0
	1182	sa_p = sa
	1183	ENDIF
[667]	1184
[94]	1185
[147]	1186	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1187	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1188	THEN
	1189	!
[767]	1190	!-- When reading data for cyclic fill of 3D prerun data files, read
	1191	!-- some of the global variables from the restart file which are required
	1192	!-- for initializing the inflow
[328]	1193	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1194
[759]	1195	DO i = 0, io_blocks-1
	1196	IF ( i == io_group ) THEN
	1197	CALL read_parts_of_var_list
	1198	CALL close_file( 13 )
	1199	ENDIF
	1200	#if defined( __parallel )
	1201	CALL MPI_BARRIER( comm2d, ierr )
	1202	#endif
	1203	ENDDO
[328]	1204
[767]	1205	ENDIF
	1206
[151]	1207	!
[767]	1208	!-- Read binary data from restart file
	1209	DO i = 0, io_blocks-1
	1210	IF ( i == io_group ) THEN
	1211	CALL read_3d_binary
	1212	ENDIF
	1213	#if defined( __parallel )
	1214	CALL MPI_BARRIER( comm2d, ierr )
	1215	#endif
	1216	ENDDO
	1217
[328]	1218	!
[767]	1219	!-- Initialization of the turbulence recycling method
	1220	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1221	turbulent_inflow ) THEN
	1222	!
	1223	!-- First store the profiles to be used at the inflow.
	1224	!-- These profiles are the (temporally) and horizontally averaged vertical
	1225	!-- profiles from the prerun. Alternatively, prescribed profiles
	1226	!-- for u,v-components can be used.
	1227	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1228
[767]	1229	IF ( use_prescribed_profile_data ) THEN
	1230	mean_inflow_profiles(:,1) = u_init ! u
	1231	mean_inflow_profiles(:,2) = v_init ! v
	1232	ELSE
[328]	1233	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1234	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1235	ENDIF
	1236	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1237	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1238
	1239	!
[767]	1240	!-- If necessary, adjust the horizontal flow field to the prescribed
	1241	!-- profiles
	1242	IF ( use_prescribed_profile_data ) THEN
	1243	DO i = nxlg, nxrg
[667]	1244	DO j = nysg, nyng
[328]	1245	DO k = nzb, nzt+1
[767]	1246	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1247	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1248	ENDDO
[151]	1249	ENDDO
[767]	1250	ENDDO
	1251	ENDIF
[151]	1252
	1253	!
[767]	1254	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1255	!-- conditions are used)
	1256	IF ( inflow_l ) THEN
	1257	DO j = nysg, nyng
	1258	DO k = nzb, nzt+1
	1259	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1260	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
	1261	w(k,j,nxlg:-1) = 0.0
	1262	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1263	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1264	ENDDO
	1265	ENDDO
	1266	ENDIF
	1267
[151]	1268	!
[767]	1269	!-- Calculate the damping factors to be used at the inflow. For a
	1270	!-- turbulent inflow the turbulent fluctuations have to be limited
	1271	!-- vertically because otherwise the turbulent inflow layer will grow
	1272	!-- in time.
	1273	IF ( inflow_damping_height == 9999999.9 ) THEN
	1274	!
	1275	!-- Default: use the inversion height calculated by the prerun; if
	1276	!-- this is zero, inflow_damping_height must be explicitly
	1277	!-- specified.
	1278	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	1279	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1280	ELSE
	1281	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1282	'explicitly specified because&the inversion height ', &
	1283	'calculated by the prerun is zero.'
	1284	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1285	ENDIF
[151]	1286
[767]	1287	ENDIF
	1288
	1289	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	1290	!
[767]	1291	!-- Default for the transition range: one tenth of the undamped
	1292	!-- layer
	1293	inflow_damping_width = 0.1 * inflow_damping_height
[151]	1294
[767]	1295	ENDIF
[151]	1296
[767]	1297	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1298
[767]	1299	DO k = nzb, nzt+1
[151]	1300
[767]	1301	IF ( zu(k) <= inflow_damping_height ) THEN
	1302	inflow_damping_factor(k) = 1.0
[996]	1303	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
	1304	inflow_damping_factor(k) = 1.0 - &
	1305	( zu(k) - inflow_damping_height ) / &
	1306	inflow_damping_width
[767]	1307	ELSE
	1308	inflow_damping_factor(k) = 0.0
	1309	ENDIF
[151]	1310
[767]	1311	ENDDO
[151]	1312
[147]	1313	ENDIF
	1314
[152]	1315	!
[359]	1316	!-- Inside buildings set velocities and TKE back to zero
	1317	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1318	topography /= 'flat' ) THEN
	1319	!
	1320	!-- Inside buildings set velocities and TKE back to zero.
	1321	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1322	!-- maybe revise later.
[1001]	1323	DO i = nxlg, nxrg
	1324	DO j = nysg, nyng
	1325	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1326	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1327	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1328	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1329	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1330	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1331	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1332	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1333	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
[359]	1334	ENDDO
[1001]	1335	ENDDO
[359]	1336
	1337	ENDIF
	1338
	1339	!
[1]	1340	!-- Calculate initial temperature field and other constants used in case
	1341	!-- of a sloping surface
	1342	IF ( sloping_surface ) CALL init_slope
	1343
	1344	!
	1345	!-- Initialize new time levels (only done in order to set boundary values
	1346	!-- including ghost points)
	1347	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1348	IF ( humidity .OR. passive_scalar ) THEN
	1349	q_p = q
[1115]	1350	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1351	precipitation ) THEN
[1053]	1352	qr_p = qr
	1353	nr_p = nr
	1354	ENDIF
	1355	ENDIF
[94]	1356	IF ( ocean ) sa_p = sa
[1]	1357
[181]	1358	!
	1359	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1360	!-- have to be predefined here because they are used (but multiplied with 0)
	1361	!-- there before they are set.
[1001]	1362	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1053]	1363	IF ( humidity .OR. passive_scalar ) THEN
	1364	tq_m = 0.0
[1115]	1365	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1366	precipitation ) THEN
[1053]	1367	tqr_m = 0.0
	1368	tnr_m = 0.0
	1369	ENDIF
	1370	ENDIF
[1001]	1371	IF ( ocean ) tsa_m = 0.0
[181]	1372
[1]	1373	ELSE
	1374	!
	1375	!-- Actually this part of the programm should not be reached
[254]	1376	message_string = 'unknown initializing problem'
	1377	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1378	ENDIF
	1379
[151]	1380
	1381	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1382	!
[151]	1383	!-- Initialize old timelevels needed for radiation boundary conditions
	1384	IF ( outflow_l ) THEN
	1385	u_m_l(:,:,:) = u(:,:,1:2)
	1386	v_m_l(:,:,:) = v(:,:,0:1)
	1387	w_m_l(:,:,:) = w(:,:,0:1)
	1388	ENDIF
	1389	IF ( outflow_r ) THEN
	1390	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1391	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1392	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1393	ENDIF
	1394	IF ( outflow_s ) THEN
	1395	u_m_s(:,:,:) = u(:,0:1,:)
	1396	v_m_s(:,:,:) = v(:,1:2,:)
	1397	w_m_s(:,:,:) = w(:,0:1,:)
	1398	ENDIF
	1399	IF ( outflow_n ) THEN
	1400	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1401	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1402	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1403	ENDIF
[667]	1404
[151]	1405	ENDIF
[680]	1406
[667]	1407	!
	1408	!-- Calculate the initial volume flow at the right and north boundary
[709]	1409	IF ( conserve_volume_flow ) THEN
[151]	1410
[767]	1411	IF ( use_prescribed_profile_data ) THEN
[667]	1412
[732]	1413	volume_flow_initial_l = 0.0
	1414	volume_flow_area_l = 0.0
	1415
[667]	1416	IF ( nxr == nx ) THEN
	1417	DO j = nys, nyn
[709]	1418	DO k = nzb_2d(j,nx)+1, nzt
[667]	1419	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1420	u_init(k) * dzw(k)
	1421	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1422	ENDDO
	1423	ENDDO
	1424	ENDIF
	1425
	1426	IF ( nyn == ny ) THEN
	1427	DO i = nxl, nxr
	1428	DO k = nzb_2d(ny,i)+1, nzt
	1429	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1430	v_init(k) * dzw(k)
	1431	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1432	ENDDO
	1433	ENDDO
	1434	ENDIF
	1435
	1436	#if defined( __parallel )
	1437	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1438	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1439	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1440	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1441
	1442	#else
	1443	volume_flow_initial = volume_flow_initial_l
	1444	volume_flow_area = volume_flow_area_l
	1445	#endif
	1446
	1447	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1448
	1449	volume_flow_initial_l = 0.0
	1450	volume_flow_area_l = 0.0
	1451
	1452	IF ( nxr == nx ) THEN
	1453	DO j = nys, nyn
	1454	DO k = nzb_2d(j,nx)+1, nzt
	1455	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1456	hom_sum(k,1,0) * dzw(k)
	1457	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1458	ENDDO
	1459	ENDDO
	1460	ENDIF
	1461
	1462	IF ( nyn == ny ) THEN
	1463	DO i = nxl, nxr
[709]	1464	DO k = nzb_2d(ny,i)+1, nzt
[667]	1465	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1466	hom_sum(k,2,0) * dzw(k)
[667]	1467	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1468	ENDDO
	1469	ENDDO
	1470	ENDIF
	1471
[732]	1472	#if defined( __parallel )
	1473	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1474	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1475	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1476	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1477
	1478	#else
	1479	volume_flow_initial = volume_flow_initial_l
	1480	volume_flow_area = volume_flow_area_l
	1481	#endif
	1482
[667]	1483	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1484
[732]	1485	volume_flow_initial_l = 0.0
	1486	volume_flow_area_l = 0.0
	1487
[667]	1488	IF ( nxr == nx ) THEN
	1489	DO j = nys, nyn
[709]	1490	DO k = nzb_2d(j,nx)+1, nzt
[667]	1491	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1492	u(k,j,nx) * dzw(k)
[667]	1493	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1494	ENDDO
	1495	ENDDO
	1496	ENDIF
	1497
	1498	IF ( nyn == ny ) THEN
	1499	DO i = nxl, nxr
[709]	1500	DO k = nzb_2d(ny,i)+1, nzt
[667]	1501	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1502	v(k,ny,i) * dzw(k)
	1503	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1504	ENDDO
	1505	ENDDO
	1506	ENDIF
	1507
	1508	#if defined( __parallel )
[732]	1509	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1510	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1511	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1512	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1513
	1514	#else
[732]	1515	volume_flow_initial = volume_flow_initial_l
	1516	volume_flow_area = volume_flow_area_l
[667]	1517	#endif
	1518
[732]	1519	ENDIF
	1520
[151]	1521	!
[709]	1522	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1523	!-- from u\|v_bulk instead
[680]	1524	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1525	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1526	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1527	ENDIF
[667]	1528
[680]	1529	ENDIF
	1530
[787]	1531	!
	1532	!-- Initialize quantities for special advections schemes
	1533	CALL init_advec
[680]	1534
[667]	1535	!
[680]	1536	!-- Impose random perturbation on the horizontal velocity field and then
	1537	!-- remove the divergences from the velocity field at the initial stage
	1538	IF ( create_disturbances .AND. &
	1539	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1540	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1541
	1542	CALL disturb_field( nzb_u_inner, tend, u )
	1543	CALL disturb_field( nzb_v_inner, tend, v )
	1544	n_sor = nsor_ini
[1221]	1545	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1546	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1547	!$acc copyin( weight_pres, weight_substep ) &
	1548	!$acc copy( tri, tric, u, v, w )
[680]	1549	CALL pres
[1111]	1550	!$acc end data
[680]	1551	n_sor = nsor
	1552	ENDIF
	1553
	1554	!
[138]	1555	!-- Initialization of the leaf area density
[709]	1556	IF ( plant_canopy ) THEN
[138]	1557
	1558	SELECT CASE ( TRIM( canopy_mode ) )
	1559
	1560	CASE( 'block' )
	1561
[667]	1562	DO i = nxlg, nxrg
	1563	DO j = nysg, nyng
[138]	1564	lad_s(:,j,i) = lad(:)
	1565	cdc(:,j,i) = drag_coefficient
[709]	1566	IF ( passive_scalar ) THEN
[153]	1567	sls(:,j,i) = leaf_surface_concentration
	1568	sec(:,j,i) = scalar_exchange_coefficient
	1569	ENDIF
[138]	1570	ENDDO
	1571	ENDDO
	1572
	1573	CASE DEFAULT
	1574
	1575	!
	1576	!-- The DEFAULT case is reached either if the parameter
	1577	!-- canopy mode contains a wrong character string or if the
	1578	!-- user has coded a special case in the user interface.
	1579	!-- There, the subroutine user_init_plant_canopy checks
	1580	!-- which of these two conditions applies.
	1581	CALL user_init_plant_canopy
	1582
	1583	END SELECT
	1584
[667]	1585	CALL exchange_horiz( lad_s, nbgp )
	1586	CALL exchange_horiz( cdc, nbgp )
[138]	1587
[709]	1588	IF ( passive_scalar ) THEN
[667]	1589	CALL exchange_horiz( sls, nbgp )
	1590	CALL exchange_horiz( sec, nbgp )
[153]	1591	ENDIF
	1592
	1593	!
	1594	!-- Sharp boundaries of the plant canopy in horizontal directions
	1595	!-- In vertical direction the interpolation is retained, as the leaf
	1596	!-- area density is initialised by prescribing a vertical profile
	1597	!-- consisting of piecewise linear segments. The upper boundary
	1598	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1599
[138]	1600	DO i = nxl, nxr
	1601	DO j = nys, nyn
	1602	DO k = nzb, nzt+1
[709]	1603	IF ( lad_s(k,j,i) > 0.0 ) THEN
[153]	1604	lad_u(k,j,i) = lad_s(k,j,i)
	1605	lad_u(k,j,i+1) = lad_s(k,j,i)
	1606	lad_v(k,j,i) = lad_s(k,j,i)
	1607	lad_v(k,j+1,i) = lad_s(k,j,i)
	1608	ENDIF
[138]	1609	ENDDO
	1610	DO k = nzb, nzt
	1611	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1612	ENDDO
	1613	ENDDO
	1614	ENDDO
	1615
[153]	1616	lad_w(pch_index,:,:) = 0.0
	1617	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1618
[667]	1619	CALL exchange_horiz( lad_u, nbgp )
	1620	CALL exchange_horiz( lad_v, nbgp )
	1621	CALL exchange_horiz( lad_w, nbgp )
[153]	1622
	1623	!
	1624	!-- Initialisation of the canopy heat source distribution
[709]	1625	IF ( cthf /= 0.0 ) THEN
[153]	1626	!
	1627	!-- Piecewise evaluation of the leaf area index by
	1628	!-- integration of the leaf area density
	1629	lai(:,:,:) = 0.0
[667]	1630	DO i = nxlg, nxrg
	1631	DO j = nysg, nyng
[153]	1632	DO k = pch_index-1, 0, -1
	1633	lai(k,j,i) = lai(k+1,j,i) + &
	1634	( 0.5 * ( lad_w(k+1,j,i) + &
	1635	lad_s(k+1,j,i) ) * &
	1636	( zw(k+1) - zu(k+1) ) ) + &
	1637	( 0.5 * ( lad_w(k,j,i) + &
	1638	lad_s(k+1,j,i) ) * &
	1639	( zu(k+1) - zw(k) ) )
	1640	ENDDO
	1641	ENDDO
	1642	ENDDO
	1643
	1644	!
	1645	!-- Evaluation of the upward kinematic vertical heat flux within the
	1646	!-- canopy
[667]	1647	DO i = nxlg, nxrg
	1648	DO j = nysg, nyng
[153]	1649	DO k = 0, pch_index
	1650	canopy_heat_flux(k,j,i) = cthf * &
	1651	exp( -0.6 * lai(k,j,i) )
	1652	ENDDO
	1653	ENDDO
	1654	ENDDO
	1655
	1656	!
	1657	!-- The near surface heat flux is derived from the heat flux
	1658	!-- distribution within the canopy
	1659	shf(:,:) = canopy_heat_flux(0,:,:)
	1660
	1661	ENDIF
	1662
[138]	1663	ENDIF
	1664
	1665	!
[1]	1666	!-- If required, initialize dvrp-software
	1667	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1668
[96]	1669	IF ( ocean ) THEN
[1]	1670	!
[96]	1671	!-- Initialize quantities needed for the ocean model
	1672	CALL init_ocean
[388]	1673
[96]	1674	ELSE
	1675	!
	1676	!-- Initialize quantities for handling cloud physics
[849]	1677	!-- This routine must be called before lpm_init, because
[96]	1678	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1679	!-- lpm_init) is not defined.
[96]	1680	CALL init_cloud_physics
	1681	ENDIF
[1]	1682
	1683	!
	1684	!-- If required, initialize particles
[849]	1685	IF ( particle_advection ) CALL lpm_init
[1]	1686
	1687	!
[673]	1688	!-- Initialize the ws-scheme.
	1689	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1690
	1691	!
[709]	1692	!-- Setting weighting factors for calculation of perturbation pressure
	1693	!-- and turbulent quantities from the RK substeps
	1694	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1695
[713]	1696	weight_substep(1) = 1./6.
	1697	weight_substep(2) = 3./10.
	1698	weight_substep(3) = 8./15.
[709]	1699
[713]	1700	weight_pres(1) = 1./3.
	1701	weight_pres(2) = 5./12.
	1702	weight_pres(3) = 1./4.
[709]	1703
	1704	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1705
[713]	1706	weight_substep(1) = 1./2.
	1707	weight_substep(2) = 1./2.
[673]	1708
[713]	1709	weight_pres(1) = 1./2.
	1710	weight_pres(2) = 1./2.
[709]	1711
[1001]	1712	ELSE ! for Euler-method
[709]	1713
[673]	1714	weight_substep(1) = 1.0
[709]	1715	weight_pres(1) = 1.0
	1716
[673]	1717	ENDIF
	1718
	1719	!
[1]	1720	!-- Initialize Rayleigh damping factors
[785]	1721	rdf = 0.0
	1722	rdf_sc = 0.0
[1]	1723	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1724	IF ( .NOT. ocean ) THEN
	1725	DO k = nzb+1, nzt
	1726	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1727	rdf(k) = rayleigh_damping_factor * &
[1]	1728	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1729	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1730	)**2
[108]	1731	ENDIF
	1732	ENDDO
	1733	ELSE
	1734	DO k = nzt, nzb+1, -1
	1735	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1736	rdf(k) = rayleigh_damping_factor * &
	1737	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1738	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1739	)**2
	1740	ENDIF
	1741	ENDDO
	1742	ENDIF
[1]	1743	ENDIF
[785]	1744	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1745
	1746	!
[240]	1747	!-- Initialize the starting level and the vertical smoothing factor used for
	1748	!-- the external pressure gradient
	1749	dp_smooth_factor = 1.0
	1750	IF ( dp_external ) THEN
	1751	!
	1752	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1753	!-- (e.g. in init_grid).
	1754	IF ( dp_level_ind_b == 0 ) THEN
	1755	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1756	dp_level_ind_b = ind_array(1) - 1 + nzb
	1757	! MINLOC uses lower array bound 1
	1758	ENDIF
	1759	IF ( dp_smooth ) THEN
	1760	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1761	DO k = dp_level_ind_b+1, nzt
	1762	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1763	( REAL( k - dp_level_ind_b ) / &
	1764	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1765	ENDDO
	1766	ENDIF
	1767	ENDIF
	1768
	1769	!
[978]	1770	!-- Initialize damping zone for the potential temperature in case of
	1771	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1772	!-- at the inflow boundary and decreases to zero at pt_damping_width.
	1773	ptdf_x = 0.0
	1774	ptdf_y = 0.0
[1159]	1775	IF ( bc_lr_dirrad ) THEN
[996]	1776	DO i = nxl, nxr
[978]	1777	IF ( ( i * dx ) < pt_damping_width ) THEN
	1778	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5 * &
	1779	REAL( pt_damping_width - i * dx ) / ( &
	1780	REAL( pt_damping_width ) ) ) )**2
[73]	1781	ENDIF
	1782	ENDDO
[1159]	1783	ELSEIF ( bc_lr_raddir ) THEN
[996]	1784	DO i = nxl, nxr
[978]	1785	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[996]	1786	ptdf_x(i) = pt_damping_factor * &
	1787	SIN( pi * 0.5 * ( ( i - nx ) * dx + pt_damping_width ) / &
	1788	REAL( pt_damping_width ) )**2
[73]	1789	ENDIF
[978]	1790	ENDDO
[1159]	1791	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1792	DO j = nys, nyn
[978]	1793	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[996]	1794	ptdf_y(j) = pt_damping_factor * &
	1795	SIN( pi * 0.5 * ( ( j - ny ) * dy + pt_damping_width ) / &
	1796	REAL( pt_damping_width ) )**2
[1]	1797	ENDIF
[978]	1798	ENDDO
[1159]	1799	ELSEIF ( bc_ns_raddir ) THEN
[996]	1800	DO j = nys, nyn
[978]	1801	IF ( ( j * dy ) < pt_damping_width ) THEN
[996]	1802	ptdf_y(j) = pt_damping_factor * &
	1803	SIN( pi * 0.5 * ( pt_damping_width - j * dy ) / &
	1804	REAL( pt_damping_width ) )**2
[1]	1805	ENDIF
[73]	1806	ENDDO
[1]	1807	ENDIF
	1808
	1809	!
[709]	1810	!-- Initialize local summation arrays for routine flow_statistics.
	1811	!-- This is necessary because they may not yet have been initialized when they
	1812	!-- are called from flow_statistics (or - depending on the chosen model run -
	1813	!-- are never initialized)
[1]	1814	sums_divnew_l = 0.0
	1815	sums_divold_l = 0.0
	1816	sums_l_l = 0.0
	1817	sums_up_fraction_l = 0.0
	1818	sums_wsts_bc_l = 0.0
	1819
	1820	!
	1821	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1822	!-- Ghost points are excluded because counting values at the ghost boundaries
	1823	!-- would bias the statistics
[1]	1824	rmask = 1.0
[1025]	1825	rmask(:,nxlg:nxl-1,:) = 0.0; rmask(:,nxr+1:nxrg,:) = 0.0
	1826	rmask(nysg:nys-1,:,:) = 0.0; rmask(nyn+1:nyng,:,:) = 0.0
[1]	1827
	1828	!
[51]	1829	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1830	!-- of allowed timeseries is exceeded
[1]	1831	CALL user_init
	1832
[51]	1833	IF ( dots_num > dots_max ) THEN
[254]	1834	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1835	' its maximum of dots_max = ', dots_max, &
[254]	1836	' &Please increase dots_max in modules.f90.'
	1837	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1838	ENDIF
	1839
[1]	1840	!
	1841	!-- Input binary data file is not needed anymore. This line must be placed
	1842	!-- after call of user_init!
	1843	CALL close_file( 13 )
	1844
	1845	!
	1846	!-- Compute total sum of active mask grid points
	1847	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1848	!-- total domain
	1849	!-- ngp_3d: number of grid points of the total domain
[132]	1850	ngp_2dh_outer_l = 0
	1851	ngp_2dh_outer = 0
	1852	ngp_2dh_s_inner_l = 0
	1853	ngp_2dh_s_inner = 0
	1854	ngp_2dh_l = 0
	1855	ngp_2dh = 0
[485]	1856	ngp_3d_inner_l = 0.0
[132]	1857	ngp_3d_inner = 0
	1858	ngp_3d = 0
	1859	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1860
	1861	DO sr = 0, statistic_regions
	1862	DO i = nxl, nxr
	1863	DO j = nys, nyn
	1864	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1865	!
	1866	!-- All xy-grid points
	1867	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1868	!
	1869	!-- xy-grid points above topography
	1870	DO k = nzb_s_outer(j,i), nz + 1
	1871	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1872	ENDDO
[132]	1873	DO k = nzb_s_inner(j,i), nz + 1
	1874	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1875	ENDDO
[1]	1876	!
	1877	!-- All grid points of the total domain above topography
	1878	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1879	( nz - nzb_s_inner(j,i) + 2 )
	1880	ENDIF
	1881	ENDDO
	1882	ENDDO
	1883	ENDDO
	1884
	1885	sr = statistic_regions + 1
	1886	#if defined( __parallel )
[622]	1887	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1888	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1889	comm2d, ierr )
[622]	1890	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1891	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1892	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1893	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1894	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1895	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1896	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1897	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1898	MPI_SUM, comm2d, ierr )
[485]	1899	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1900	#else
[132]	1901	ngp_2dh = ngp_2dh_l
	1902	ngp_2dh_outer = ngp_2dh_outer_l
	1903	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1904	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1905	#endif
	1906
[560]	1907	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1908	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1909
	1910	!
	1911	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1912	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1913	!-- the respective subdomain lie below the surface topography
[667]	1914	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1915	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1916	ngp_3d_inner(:) )
[667]	1917	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1918
[485]	1919	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1920
	1921
	1922	END SUBROUTINE init_3d_model

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