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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1184

Last change on this file since 1184 was 1182, checked in by raasch, 11 years ago
last commit documented, rc-file for example run updated
Property svn:keywords set to `Id`
File size: 65.0 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	!
	20	! Copyright 1997-2012 Leibniz University Hannover
	21	!--------------------------------------------------------------------------------!
	22	!
[254]	23	! Current revisions:
[732]	24	! ------------------
[1054]	25	!
[1182]	26	!
[1054]	27	! Former revisions:
	28	! -----------------
	29	! $Id: init_3d_model.f90 1182 2013-06-14 09:07:24Z heinze $
	30	!
[1182]	31	! 1179 2013-06-14 05:57:58Z raasch
	32	! allocate and set ref_state to be used in buoyancy terms
	33	!
[1172]	34	! 1171 2013-05-30 11:27:45Z raasch
	35	! diss array is allocated with full size if accelerator boards are used
	36	!
[1160]	37	! 1159 2013-05-21 11:58:22Z fricke
	38	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	39	!
[1154]	40	! 1153 2013-05-10 14:33:08Z raasch
	41	! diss array is allocated with dummy elements even if it is not needed
[1171]	42	! (required by PGI 13.4 / CUDA 5.0)
[1154]	43	!
[1116]	44	! 1115 2013-03-26 18:16:16Z hoffmann
	45	! unused variables removed
	46	!
[1114]	47	! 1113 2013-03-10 02:48:14Z raasch
	48	! openACC directive modified
	49	!
[1112]	50	! 1111 2013-03-08 23:54:10Z raasch
	51	! openACC directives added for pres
	52	! array diss allocated only if required
	53	!
[1093]	54	! 1092 2013-02-02 11:24:22Z raasch
	55	! unused variables removed
	56	!
[1066]	57	! 1065 2012-11-22 17:42:36Z hoffmann
	58	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	59	!
[1054]	60	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	61	! allocation and initialisation of necessary data arrays for the two-moment
	62	! cloud physics scheme the two new prognostic equations (nr, qr):
	63	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	64	! +tend_*, prr
[979]	65	!
[1037]	66	! 1036 2012-10-22 13:43:42Z raasch
	67	! code put under GPL (PALM 3.9)
	68	!
[1033]	69	! 1032 2012-10-21 13:03:21Z letzel
	70	! save memory by not allocating pt_2 in case of neutral = .T.
	71	!
[1026]	72	! 1025 2012-10-07 16:04:41Z letzel
	73	! bugfix: swap indices of mask for ghost boundaries
	74	!
[1017]	75	! 1015 2012-09-27 09:23:24Z raasch
	76	! mask is set to zero for ghost boundaries
	77	!
[1011]	78	! 1010 2012-09-20 07:59:54Z raasch
	79	! cpp switch __nopointer added for pointer free version
	80	!
[1004]	81	! 1003 2012-09-14 14:35:53Z raasch
	82	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	83	!
[1002]	84	! 1001 2012-09-13 14:08:46Z raasch
	85	! all actions concerning leapfrog scheme removed
	86	!
[997]	87	! 996 2012-09-07 10:41:47Z raasch
	88	! little reformatting
	89	!
[979]	90	! 978 2012-08-09 08:28:32Z fricke
[978]	91	! outflow damping layer removed
	92	! roughness length for scalar quantites z0h added
	93	! damping zone for the potential temperatur in case of non-cyclic lateral
	94	! boundaries added
	95	! initialization of ptdf_x, ptdf_y
	96	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	97	!
[850]	98	! 849 2012-03-15 10:35:09Z raasch
	99	! init_particles renamed lpm_init
	100	!
[826]	101	! 825 2012-02-19 03:03:44Z raasch
	102	! wang_collision_kernel renamed wang_kernel
	103	!
[791]	104	! 790 2011-11-29 03:11:20Z raasch
	105	! diss is also allocated in case that the Wang kernel is used
	106	!
[788]	107	! 787 2011-11-28 12:49:05Z heinze $
	108	! bugfix: call init_advec in every case - not only for inital runs
	109	!
[786]	110	! 785 2011-11-28 09:47:19Z raasch
	111	! initialization of rdf_sc
	112	!
[768]	113	! 767 2011-10-14 06:39:12Z raasch
	114	! adjustments concerning implementation of prescribed u,v-profiles
	115	! bugfix: dirichlet_0 conditions for ug/vg moved to check_parameters
	116	!
[760]	117	! 759 2011-09-15 13:58:31Z raasch
	118	! Splitting of parallel I/O in blocks of PEs
	119	! Bugfix: No zero assignments to volume_flow_initial and volume_flow_area in
	120	! case of normal restart runs.
	121	!
[714]	122	! 713 2011-03-30 14:21:21Z suehring
[732]	123	! weight_substep and weight_pres are given as fractions.
[714]	124	!
[710]	125	! 709 2011-03-30 09:31:40Z raasch
	126	! formatting adjustments
	127	!
[708]	128	! 707 2011-03-29 11:39:40Z raasch
[707]	129	! p_sub renamed p_loc and allocated depending on the chosen pressure solver,
	130	! initial assignments of zero to array p for iterative solvers only,
	131	! bc_lr/ns replaced by bc_lr/ns_dirrad/raddir
[674]	132	!
[708]	133	! 680 2011-02-04 23:16:06Z gryschka
[681]	134	! bugfix: volume_flow_control
[668]	135	!
[674]	136	! 673 2011-01-18 16:19:48Z suehring
	137	! weight_substep (moved from advec_ws) and weight_pres added.
	138	! Allocate p_sub when using Multigrid or SOR solver.
	139	! Call of ws_init moved behind the if requests.
	140	!
[668]	141	! 667 2010-12-23 12:06:00Z suehring/gryschka
[667]	142	! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng in loops and
	143	! allocation of arrays. Calls of exchange_horiz are modified.
[709]	144	! Call ws_init to initialize arrays needed for calculating statisticas and for
[667]	145	! optimization when ws-scheme is used.
	146	! Initial volume flow is now calculated by using the variable hom_sum.
	147	! Therefore the correction of initial volume flow for non-flat topography
	148	! removed (removed u_nzb_p1_for_vfc and v_nzb_p1_for_vfc)
	149	! Changed surface boundary conditions for u and v in case of ibc_uv_b == 0 from
[709]	150	! mirror to Dirichlet boundary conditions (u=v=0), so that k=nzb is
	151	! representative for the height z0.
[667]	152	! Bugfix: type conversion of '1' to 64bit for the MAX function (ngp_3d_inner)
	153	!
[623]	154	! 622 2010-12-10 08:08:13Z raasch
	155	! optional barriers included in order to speed up collective operations
	156	!
[561]	157	! 560 2010-09-09 10:06:09Z weinreis
	158	! bugfix: correction of calculating ngp_3d for 64 bit
	159	!
[486]	160	! 485 2010-02-05 10:57:51Z raasch
	161	! calculation of ngp_3d + ngp_3d_inner changed because they have now 64 bit
	162	!
[482]	163	! 407 2009-12-01 15:01:15Z maronga
	164	! var_ts is replaced by dots_max
	165	! Enabled passive scalar/humidity wall fluxes for non-flat topography
	166	!
[392]	167	! 388 2009-09-23 09:40:33Z raasch
[388]	168	! Initialization of prho added.
[359]	169	! bugfix: correction of initial volume flow for non-flat topography
	170	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	171	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	172	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	173	! independent of turbulent_inflow
[254]	174	! Output of messages replaced by message handling routine.
[240]	175	! Set the starting level and the vertical smoothing factor used for
	176	! the external pressure gradient
[254]	177	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	178	! and 'bulk_velocity'
[292]	179	! If the inversion height calculated by the prerun is zero,
	180	! inflow_damping_height must be explicitly specified.
[139]	181	!
[198]	182	! 181 2008-07-30 07:07:47Z raasch
	183	! bugfix: zero assignments to tendency arrays in case of restarts,
	184	! further extensions and modifications in the initialisation of the plant
	185	! canopy model,
	186	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	187	! after allocating theses arrays,
	188	! read data for recycling added as new initialization option,
	189	! dummy allocation for diss
	190	!
[139]	191	! 138 2007-11-28 10:03:58Z letzel
[132]	192	! New counter ngp_2dh_s_inner.
	193	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	194	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	195	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	196	!
[110]	197	! 108 2007-08-24 15:10:38Z letzel
	198	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	199	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	200	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	201	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	202	! TKE e_init
	203	!
[98]	204	! 97 2007-06-21 08:23:15Z raasch
	205	! Initialization of salinity, call of init_ocean
	206	!
[90]	207	! 87 2007-05-22 15:46:47Z raasch
	208	! var_hom and var_sum renamed pr_palm
	209	!
[77]	210	! 75 2007-03-22 09:54:05Z raasch
[73]	211	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	212	! bugfix for cases with the outflow damping layer extending over more than one
[75]	213	! subdomain, moisture renamed humidity,
	214	! new initializing action "by_user" calls user_init_3d_model,
[72]	215	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	216	! initial velocities at nzb+1 are regarded for volume
	217	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	218	! -uvmean_outflow, uxrp, vynp eliminated
[1]	219	!
[39]	220	! 19 2007-02-23 04:53:48Z raasch
	221	! +handling of top fluxes
	222	!
[3]	223	! RCS Log replace by Id keyword, revision history cleaned up
	224	!
[1]	225	! Revision 1.49 2006/08/22 15:59:07 raasch
	226	! No optimization of this file on the ibmy (Yonsei Univ.)
	227	!
	228	! Revision 1.1 1998/03/09 16:22:22 raasch
	229	! Initial revision
	230	!
	231	!
	232	! Description:
	233	! ------------
	234	! Allocation of arrays and initialization of the 3D model via
	235	! a) pre-run the 1D model
	236	! or
	237	! b) pre-set constant linear profiles
	238	! or
	239	! c) read values of a previous run
	240	!------------------------------------------------------------------------------!
	241
[667]	242	USE advec_ws
[1]	243	USE arrays_3d
	244	USE averaging
[72]	245	USE cloud_parameters
[1]	246	USE constants
	247	USE control_parameters
	248	USE cpulog
[978]	249	USE grid_variables
[1]	250	USE indices
	251	USE interfaces
	252	USE model_1d
[51]	253	USE netcdf_control
[1]	254	USE particle_attributes
	255	USE pegrid
	256	USE profil_parameter
	257	USE random_function_mod
	258	USE statistics
[1111]	259	USE transpose_indices
[1]	260
	261	IMPLICIT NONE
	262
[559]	263	INTEGER :: i, ind_array(1), j, k, sr
[1]	264
[485]	265	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l
[1]	266
[132]	267	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
[996]	268	ngp_2dh_s_inner_l
[1]	269
	270	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	271
[485]	272	REAL, DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l, ngp_3d_inner_tmp
[1]	273
[485]	274
[1]	275	!
	276	!-- Allocate arrays
	277	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	278	ngp_3d(0:statistic_regions), &
	279	ngp_3d_inner(0:statistic_regions), &
	280	ngp_3d_inner_l(0:statistic_regions), &
[485]	281	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	282	sums_divnew_l(0:statistic_regions), &
	283	sums_divold_l(0:statistic_regions) )
[1179]	284	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt), &
	285	ref_state(nzb:nzt+1) )
[143]	286	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	287	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	288	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	289	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	290	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	291	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	292	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	293	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	294	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	295	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	296	ts_value(dots_max,0:statistic_regions) )
[978]	297	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	298
[1001]	299	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	300	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	301	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	302	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	303	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	304	z0h(nysg:nyng,nxlg:nxrg) )
[1]	305
[1010]	306	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	307	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	308	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	309	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	310	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	311
	312	#if defined( __nopointer )
	313	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	314	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	315	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	316	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	317	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	318	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	319	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	320	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	321	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	322	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	323	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	324	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	325	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	326	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	327	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	328	#else
	329	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	330	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	331	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	332	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	333	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	334	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	335	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	336	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	339	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	340	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	342	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	343	IF ( .NOT. neutral ) THEN
	344	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	345	ENDIF
[1010]	346	#endif
	347
[673]	348	!
[707]	349	!-- Following array is required for perturbation pressure within the iterative
	350	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	351	!-- the weighted average of the substeps and cannot be used in the Poisson
	352	!-- solver.
	353	IF ( psolver == 'sor' ) THEN
	354	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	355	ELSEIF ( psolver == 'multigrid' ) THEN
	356	!
	357	!-- For performance reasons, multigrid is using one ghost layer only
	358	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	359	ENDIF
[1]	360
[1111]	361	!
	362	!-- Array for storing constant coeffficients of the tridiagonal solver
	363	IF ( psolver == 'poisfft' ) THEN
	364	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	365	ENDIF
	366
[75]	367	IF ( humidity .OR. passive_scalar ) THEN
[1]	368	!
[75]	369	!-- 2D-humidity/scalar arrays
[1001]	370	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	371	qsws(nysg:nyng,nxlg:nxrg), &
	372	qswst(nysg:nyng,nxlg:nxrg) )
[1]	373
	374	!
[75]	375	!-- 3D-humidity/scalar arrays
[1010]	376	#if defined( __nopointer )
	377	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	378	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	379	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	380	#else
[667]	381	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	382	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	383	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	384	#endif
[1]	385
	386	!
[75]	387	!-- 3D-arrays needed for humidity only
	388	IF ( humidity ) THEN
[1010]	389	#if defined( __nopointer )
	390	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	391	#else
[667]	392	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	393	#endif
[1]	394
	395	IF ( cloud_physics ) THEN
[1053]	396
[1]	397	!
	398	!-- Liquid water content
[1010]	399	#if defined( __nopointer )
	400	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	401	#else
[667]	402	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	403	#endif
[72]	404	!
	405	!-- Precipitation amount and rate (only needed if output is switched)
[667]	406	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	407	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	408
	409	IF ( icloud_scheme == 0 ) THEN
	410	!
[1115]	411	!-- 1D-arrays
	412	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	413	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	414	!
[1115]	415	!-- 3D-cloud water content
[1053]	416	#if defined( __nopointer )
[1115]	417	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	418	#else
[1115]	419	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	420	#endif
	421	!
	422	!-- 3D-tendency arrays
[1115]	423	ALLOCATE( tend_pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	424	tend_q(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	425
	426	IF ( precipitation ) THEN
[1053]	427	!
[1115]	428	!-- 1D-arrays
	429	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
	430	!
	431	!
	432	!-- 3D-tendency arrays
	433	ALLOCATE( tend_nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	434	tend_qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	435	!
	436	!-- 2D-rain water content and rain drop concentration arrays
	437	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	438	qrsws(nysg:nyng,nxlg:nxrg), &
	439	qrswst(nysg:nyng,nxlg:nxrg), &
	440	nrs(nysg:nyng,nxlg:nxrg), &
	441	nrsws(nysg:nyng,nxlg:nxrg), &
	442	nrswst(nysg:nyng,nxlg:nxrg) )
	443	!
	444	!-- 3D-rain water content, rain drop concentration arrays
	445	#if defined( __nopointer )
	446	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	447	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	448	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	449	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	450	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	451	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	452	#else
	453	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	454	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	455	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	456	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	457	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	458	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	459	#endif
	460	!
	461	!-- 3d-precipitation rate
[1053]	462	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	463	ENDIF
	464
	465	ENDIF
[1]	466	ENDIF
	467
	468	IF ( cloud_droplets ) THEN
	469	!
[1010]	470	!-- Liquid water content, change in liquid water content
	471	#if defined( __nopointer )
	472	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	473	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	474	#else
[667]	475	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	476	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	477	#endif
	478	!
	479	!-- Real volume of particles (with weighting), volume of particles
	480	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	481	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	482	ENDIF
	483
	484	ENDIF
	485
	486	ENDIF
	487
[94]	488	IF ( ocean ) THEN
[1001]	489	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	490	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	491	#if defined( __nopointer )
	492	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	493	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	494	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	495	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	496	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	497	#else
[667]	498	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	499	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	500	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	501	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	502	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	503	prho => prho_1
	504	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	505	! density to be apointer
[1010]	506	#endif
[108]	507	IF ( humidity_remote ) THEN
[667]	508	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[108]	509	qswst_remote = 0.0
	510	ENDIF
[94]	511	ENDIF
	512
[1]	513	!
	514	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	515	!-- particle velocities
[1171]	516	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	517	num_acc_per_node > 0 ) THEN
	518	print, '** allocating diss'
[1153]	519	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	520	ENDIF
	521
	522	IF ( dt_dosp /= 9999999.9 ) THEN
	523	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	524	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	525	spectrum_x = 0.0
	526	spectrum_y = 0.0
[1]	527	ENDIF
	528
	529	!
[138]	530	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	531	IF ( plant_canopy ) THEN
[667]	532	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	533	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	534	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	535	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	536	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	537
	538	IF ( passive_scalar ) THEN
[996]	539	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	540	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	541	ENDIF
	542
	543	IF ( cthf /= 0.0 ) THEN
[996]	544	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	545	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	546	ENDIF
	547
[138]	548	ENDIF
	549
	550	!
[51]	551	!-- 4D-array for storing the Rif-values at vertical walls
	552	IF ( topography /= 'flat' ) THEN
[667]	553	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[51]	554	rif_wall = 0.0
	555	ENDIF
	556
	557	!
[106]	558	!-- Arrays to store velocity data from t-dt and the phase speeds which
	559	!-- are needed for radiation boundary conditions
[73]	560	IF ( outflow_l ) THEN
[667]	561	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	562	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	563	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	564	ENDIF
	565	IF ( outflow_r ) THEN
[667]	566	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	567	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	568	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	569	ENDIF
[106]	570	IF ( outflow_l .OR. outflow_r ) THEN
[667]	571	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	572	c_w(nzb:nzt+1,nysg:nyng) )
[106]	573	ENDIF
[73]	574	IF ( outflow_s ) THEN
[667]	575	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	576	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	577	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	578	ENDIF
	579	IF ( outflow_n ) THEN
[667]	580	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	581	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	582	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	583	ENDIF
[106]	584	IF ( outflow_s .OR. outflow_n ) THEN
[667]	585	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	586	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	587	ENDIF
[996]	588	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	589	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	590	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	591	ENDIF
[73]	592
[978]	593
[1010]	594	#if ! defined( __nopointer )
[73]	595	!
[1]	596	!-- Initial assignment of the pointers
[1001]	597	e => e_1; e_p => e_2; te_m => e_3
[1032]	598	IF ( .NOT. neutral ) THEN
	599	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	600	ELSE
	601	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	602	ENDIF
[1001]	603	u => u_1; u_p => u_2; tu_m => u_3
	604	v => v_1; v_p => v_2; tv_m => v_3
	605	w => w_1; w_p => w_2; tw_m => w_3
[1]	606
[1001]	607	IF ( humidity .OR. passive_scalar ) THEN
	608	q => q_1; q_p => q_2; tq_m => q_3
[1053]	609	IF ( humidity ) THEN
	610	vpt => vpt_1
	611	IF ( cloud_physics ) THEN
	612	ql => ql_1
	613	IF ( icloud_scheme == 0 ) THEN
[1115]	614	qc => qc_1
	615	IF ( precipitation ) THEN
	616	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	617	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	618	ENDIF
[1053]	619	ENDIF
	620	ENDIF
	621	ENDIF
[1001]	622	IF ( cloud_droplets ) THEN
	623	ql => ql_1
	624	ql_c => ql_2
[1]	625	ENDIF
[1001]	626	ENDIF
[1]	627
[1001]	628	IF ( ocean ) THEN
	629	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	630	ENDIF
[1010]	631	#endif
[1]	632
	633	!
[709]	634	!-- Allocate arrays containing the RK coefficient for calculation of
	635	!-- perturbation pressure and turbulent fluxes. At this point values are
	636	!-- set for pressure calculation during initialization (where no timestep
	637	!-- is done). Further below the values needed within the timestep scheme
	638	!-- will be set.
	639	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	640	weight_pres(1:intermediate_timestep_count_max) )
[709]	641	weight_substep = 1.0
	642	weight_pres = 1.0
	643	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	644
	645	!
[1]	646	!-- Initialize model variables
[147]	647	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	648	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	649	!
	650	!-- First model run of a possible job queue.
	651	!-- Initial profiles of the variables must be computes.
	652	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	653	!
	654	!-- Use solutions of the 1D model as initial profiles,
	655	!-- start 1D model
	656	CALL init_1d_model
	657	!
	658	!-- Transfer initial profiles to the arrays of the 3D model
[667]	659	DO i = nxlg, nxrg
	660	DO j = nysg, nyng
[1]	661	e(:,j,i) = e1d
	662	kh(:,j,i) = kh1d
	663	km(:,j,i) = km1d
	664	pt(:,j,i) = pt_init
	665	u(:,j,i) = u1d
	666	v(:,j,i) = v1d
	667	ENDDO
	668	ENDDO
	669
[75]	670	IF ( humidity .OR. passive_scalar ) THEN
[667]	671	DO i = nxlg, nxrg
	672	DO j = nysg, nyng
[1]	673	q(:,j,i) = q_init
	674	ENDDO
	675	ENDDO
[1115]	676	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	677	precipitation ) THEN
[1053]	678	DO i = nxlg, nxrg
	679	DO j = nysg, nyng
[1115]	680	qr(:,j,i) = 0.0
	681	nr(:,j,i) = 0.0
[1053]	682	ENDDO
	683	ENDDO
[1115]	684	!
	685	!-- Initialze nc_1d with default value
	686	nc_1d(:) = nc_const
	687
[1053]	688	ENDIF
[1]	689	ENDIF
	690
	691	IF ( .NOT. constant_diffusion ) THEN
[667]	692	DO i = nxlg, nxrg
	693	DO j = nysg, nyng
[1]	694	e(:,j,i) = e1d
	695	ENDDO
	696	ENDDO
	697	!
	698	!-- Store initial profiles for output purposes etc.
	699	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	700
	701	IF ( prandtl_layer ) THEN
	702	rif = rif1d(nzb+1)
	703	ts = 0.0 ! could actually be computed more accurately in the
	704	! 1D model. Update when opportunity arises.
	705	us = us1d
	706	usws = usws1d
	707	vsws = vsws1d
	708	ELSE
	709	ts = 0.0 ! must be set, because used in
	710	rif = 0.0 ! flowste
	711	us = 0.0
	712	usws = 0.0
	713	vsws = 0.0
	714	ENDIF
	715
	716	ELSE
	717	e = 0.0 ! must be set, because used in
	718	rif = 0.0 ! flowste
	719	ts = 0.0
	720	us = 0.0
	721	usws = 0.0
	722	vsws = 0.0
	723	ENDIF
[102]	724	uswst = top_momentumflux_u
	725	vswst = top_momentumflux_v
[1]	726
	727	!
	728	!-- In every case qs = 0.0 (see also pt)
	729	!-- This could actually be computed more accurately in the 1D model.
	730	!-- Update when opportunity arises!
[1053]	731	IF ( humidity .OR. passive_scalar ) THEN
	732	qs = 0.0
[1115]	733	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	734	precipitation ) THEN
[1053]	735	qrs = 0.0
	736	nrs = 0.0
	737	ENDIF
	738	ENDIF
[1]	739
	740	!
	741	!-- inside buildings set velocities back to zero
	742	IF ( topography /= 'flat' ) THEN
	743	DO i = nxl-1, nxr+1
	744	DO j = nys-1, nyn+1
	745	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	746	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	747	ENDDO
	748	ENDDO
[667]	749
[1]	750	!
	751	!-- WARNING: The extra boundary conditions set after running the
	752	!-- ------- 1D model impose an error on the divergence one layer
	753	!-- below the topography; need to correct later
	754	!-- ATTENTION: Provisional correction for Piacsek & Williams
	755	!-- --------- advection scheme: keep u and v zero one layer below
	756	!-- the topography.
[667]	757	IF ( ibc_uv_b == 1 ) THEN
	758	!
[1]	759	!-- Neumann condition
	760	DO i = nxl-1, nxr+1
	761	DO j = nys-1, nyn+1
	762	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	763	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	764	ENDDO
	765	ENDDO
	766
	767	ENDIF
	768
	769	ENDIF
	770
	771	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	772	THEN
	773	!
	774	!-- Use constructed initial profiles (velocity constant with height,
	775	!-- temperature profile with constant gradient)
[667]	776	DO i = nxlg, nxrg
	777	DO j = nysg, nyng
[1]	778	pt(:,j,i) = pt_init
	779	u(:,j,i) = u_init
	780	v(:,j,i) = v_init
	781	ENDDO
	782	ENDDO
[75]	783
[1]	784	!
[292]	785	!-- Set initial horizontal velocities at the lowest computational grid
	786	!-- levels to zero in order to avoid too small time steps caused by the
	787	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	788	!-- in the limiting formula!). The original values are stored to be later
	789	!-- used for volume flow control.
[667]	790	DO i = nxlg, nxrg
	791	DO j = nysg, nyng
[1]	792	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	793	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	794	ENDDO
	795	ENDDO
	796
[75]	797	IF ( humidity .OR. passive_scalar ) THEN
[667]	798	DO i = nxlg, nxrg
	799	DO j = nysg, nyng
[1]	800	q(:,j,i) = q_init
	801	ENDDO
	802	ENDDO
[1115]	803	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	804	!
	805	!-- Initialze nc_1d with default value
	806	nc_1d(:) = nc_const
	807
	808	IF ( precipitation ) THEN
	809	DO i = nxlg, nxrg
	810	DO j = nysg, nyng
	811	qr(:,j,i) = 0.0
	812	nr(:,j,i) = 0.0
	813	ENDDO
[1053]	814	ENDDO
[1115]	815	ENDIF
	816
[1053]	817	ENDIF
[1]	818	ENDIF
	819
[94]	820	IF ( ocean ) THEN
[667]	821	DO i = nxlg, nxrg
	822	DO j = nysg, nyng
[94]	823	sa(:,j,i) = sa_init
	824	ENDDO
	825	ENDDO
	826	ENDIF
[1]	827
	828	IF ( constant_diffusion ) THEN
	829	km = km_constant
	830	kh = km / prandtl_number
[108]	831	e = 0.0
	832	ELSEIF ( e_init > 0.0 ) THEN
	833	DO k = nzb+1, nzt
	834	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	835	ENDDO
	836	km(nzb,:,:) = km(nzb+1,:,:)
	837	km(nzt+1,:,:) = km(nzt,:,:)
	838	kh = km / prandtl_number
	839	e = e_init
[1]	840	ELSE
[108]	841	IF ( .NOT. ocean ) THEN
	842	kh = 0.01 ! there must exist an initial diffusion, because
	843	km = 0.01 ! otherwise no TKE would be produced by the
	844	! production terms, as long as not yet
	845	! e = (u/cm)*2 at k=nzb+1
	846	ELSE
	847	kh = 0.00001
	848	km = 0.00001
	849	ENDIF
	850	e = 0.0
[1]	851	ENDIF
[102]	852	rif = 0.0
	853	ts = 0.0
	854	us = 0.0
	855	usws = 0.0
	856	uswst = top_momentumflux_u
	857	vsws = 0.0
	858	vswst = top_momentumflux_v
[75]	859	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	860
	861	!
	862	!-- Compute initial temperature field and other constants used in case
	863	!-- of a sloping surface
	864	IF ( sloping_surface ) CALL init_slope
	865
[46]	866	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	867	THEN
	868	!
	869	!-- Initialization will completely be done by the user
	870	CALL user_init_3d_model
	871
[1]	872	ENDIF
[667]	873	!
	874	!-- Bottom boundary
	875	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
	876	u(nzb,:,:) = 0.0
	877	v(nzb,:,:) = 0.0
	878	ENDIF
[1]	879
	880	!
[151]	881	!-- Apply channel flow boundary condition
[132]	882	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	883	u(nzt+1,:,:) = 0.0
	884	v(nzt+1,:,:) = 0.0
	885	ENDIF
	886
	887	!
[1]	888	!-- Calculate virtual potential temperature
[75]	889	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	890
	891	!
	892	!-- Store initial profiles for output purposes etc.
	893	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	894	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	895	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
	896	hom(nzb,1,5,:) = 0.0
	897	hom(nzb,1,6,:) = 0.0
[1]	898	ENDIF
	899	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	900	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	901	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	902
[97]	903	IF ( ocean ) THEN
	904	!
	905	!-- Store initial salinity profile
	906	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	907	ENDIF
[1]	908
[75]	909	IF ( humidity ) THEN
[1]	910	!
	911	!-- Store initial profile of total water content, virtual potential
	912	!-- temperature
	913	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	914	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	915	IF ( cloud_physics .OR. cloud_droplets ) THEN
	916	!
	917	!-- Store initial profile of specific humidity and potential
	918	!-- temperature
	919	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	920	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	921	ENDIF
	922	ENDIF
	923
	924	IF ( passive_scalar ) THEN
	925	!
	926	!-- Store initial scalar profile
	927	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	928	ENDIF
	929
	930	!
[19]	931	!-- Initialize fluxes at bottom surface
[1]	932	IF ( use_surface_fluxes ) THEN
	933
	934	IF ( constant_heatflux ) THEN
	935	!
	936	!-- Heat flux is prescribed
	937	IF ( random_heatflux ) THEN
	938	CALL disturb_heatflux
	939	ELSE
	940	shf = surface_heatflux
	941	!
	942	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	943	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	944	DO i = nxlg, nxrg
	945	DO j = nysg, nyng
[1]	946	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	947	shf(j,i) = wall_heatflux(0)
	948	ENDIF
	949	ENDDO
	950	ENDDO
	951	ENDIF
	952	ENDIF
	953	ENDIF
	954
	955	!
	956	!-- Determine the near-surface water flux
[75]	957	IF ( humidity .OR. passive_scalar ) THEN
[1115]	958	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	959	precipitation ) THEN
	960	qrsws = 0.0
	961	nrsws = 0.0
[1053]	962	ENDIF
[1]	963	IF ( constant_waterflux ) THEN
	964	qsws = surface_waterflux
[407]	965	!
	966	!-- Over topography surface_waterflux is replaced by
	967	!-- wall_humidityflux(0)
	968	IF ( TRIM( topography ) /= 'flat' ) THEN
	969	wall_qflux = wall_humidityflux
[667]	970	DO i = nxlg, nxrg
	971	DO j = nysg, nyng
[407]	972	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	973	qsws(j,i) = wall_qflux(0)
	974	ENDIF
	975	ENDDO
	976	ENDDO
	977	ENDIF
[1]	978	ENDIF
	979	ENDIF
	980
	981	ENDIF
	982
	983	!
[19]	984	!-- Initialize fluxes at top surface
[94]	985	!-- Currently, only the heatflux and salinity flux can be prescribed.
	986	!-- The latent flux is zero in this case!
[19]	987	IF ( use_top_fluxes ) THEN
	988
	989	IF ( constant_top_heatflux ) THEN
	990	!
	991	!-- Heat flux is prescribed
	992	tswst = top_heatflux
	993
[1053]	994	IF ( humidity .OR. passive_scalar ) THEN
	995	qswst = 0.0
[1115]	996	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	997	precipitation ) THEN
[1053]	998	nrswst = 0.0
	999	qrswst = 0.0
	1000	ENDIF
	1001	ENDIF
[94]	1002
	1003	IF ( ocean ) THEN
[95]	1004	saswsb = bottom_salinityflux
[94]	1005	saswst = top_salinityflux
	1006	ENDIF
[102]	1007	ENDIF
[19]	1008
[102]	1009	!
	1010	!-- Initialization in case of a coupled model run
	1011	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	1012	tswst = 0.0
	1013	ENDIF
	1014
[19]	1015	ENDIF
	1016
	1017	!
[1]	1018	!-- Initialize Prandtl layer quantities
	1019	IF ( prandtl_layer ) THEN
	1020
	1021	z0 = roughness_length
[978]	1022	z0h = z0h_factor * z0
[1]	1023
	1024	IF ( .NOT. constant_heatflux ) THEN
	1025	!
	1026	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1027	!-- simply estimated, because therefore rif, u* and theta* would have
	1028	!-- to be computed by iteration. This is why the heat flux is assumed
	1029	!-- to be zero before the first time step. It approaches its correct
	1030	!-- value in the course of the first few time steps.
	1031	shf = 0.0
	1032	ENDIF
	1033
[75]	1034	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1035	IF ( .NOT. constant_waterflux ) qsws = 0.0
[1115]	1036	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1037	precipitation ) THEN
	1038	qrsws = 0.0
	1039	nrsws = 0.0
[1053]	1040	ENDIF
[1]	1041	ENDIF
	1042
	1043	ENDIF
	1044
[1179]	1045	!
	1046	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1047	!-- the reference state will be set (overwritten) in init_ocean)
	1048	IF ( use_single_reference_value ) THEN
	1049	IF ( .NOT. humidity ) THEN
	1050	ref_state(:) = pt_reference
	1051	ELSE
	1052	ref_state(:) = vpt_reference
	1053	ENDIF
	1054	ELSE
	1055	IF ( .NOT. humidity ) THEN
	1056	ref_state(:) = pt_init(:)
	1057	ELSE
	1058	ref_state(:) = vpt(:,nys,nxl)
	1059	ENDIF
	1060	ENDIF
[152]	1061
	1062	!
[707]	1063	!-- For the moment, vertical velocity is zero
	1064	w = 0.0
[1]	1065
	1066	!
	1067	!-- Initialize array sums (must be defined in first call of pres)
	1068	sums = 0.0
	1069
	1070	!
[707]	1071	!-- In case of iterative solvers, p must get an initial value
	1072	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0
	1073
	1074	!
[72]	1075	!-- Treating cloud physics, liquid water content and precipitation amount
	1076	!-- are zero at beginning of the simulation
	1077	IF ( cloud_physics ) THEN
	1078	ql = 0.0
	1079	IF ( precipitation ) precipitation_amount = 0.0
[1115]	1080	IF ( icloud_scheme == 0 ) THEN
	1081	qc = 0.0
	1082	nc_1d = nc_const
	1083	ENDIF
[72]	1084	ENDIF
[673]	1085	!
[1]	1086	!-- Impose vortex with vertical axis on the initial velocity profile
	1087	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1088	CALL init_rankine
	1089	ENDIF
	1090
	1091	!
	1092	!-- Impose temperature anomaly (advection test only)
	1093	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1094	CALL init_pt_anomaly
	1095	ENDIF
	1096
	1097	!
	1098	!-- If required, change the surface temperature at the start of the 3D run
	1099	IF ( pt_surface_initial_change /= 0.0 ) THEN
	1100	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1101	ENDIF
	1102
	1103	!
	1104	!-- If required, change the surface humidity/scalar at the start of the 3D
	1105	!-- run
[75]	1106	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	1107	q_surface_initial_change /= 0.0 ) THEN
	1108	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1109	ENDIF
	1110	!
	1111	!-- Initialize the random number generator (from numerical recipes)
	1112	CALL random_function_ini
	1113
	1114	!
	1115	!-- Initialize old and new time levels.
[1001]	1116	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1]	1117	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1118
[75]	1119	IF ( humidity .OR. passive_scalar ) THEN
[1001]	1120	tq_m = 0.0
[1]	1121	q_p = q
[1115]	1122	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1123	precipitation ) THEN
[1053]	1124	tqr_m = 0.0
	1125	qr_p = qr
	1126	tnr_m = 0.0
	1127	nr_p = nr
	1128	ENDIF
[1]	1129	ENDIF
	1130
[94]	1131	IF ( ocean ) THEN
	1132	tsa_m = 0.0
	1133	sa_p = sa
	1134	ENDIF
[667]	1135
[94]	1136
[147]	1137	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1138	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1139	THEN
	1140	!
[767]	1141	!-- When reading data for cyclic fill of 3D prerun data files, read
	1142	!-- some of the global variables from the restart file which are required
	1143	!-- for initializing the inflow
[328]	1144	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1145
[759]	1146	DO i = 0, io_blocks-1
	1147	IF ( i == io_group ) THEN
	1148	CALL read_parts_of_var_list
	1149	CALL close_file( 13 )
	1150	ENDIF
	1151	#if defined( __parallel )
	1152	CALL MPI_BARRIER( comm2d, ierr )
	1153	#endif
	1154	ENDDO
[328]	1155
[767]	1156	ENDIF
	1157
[151]	1158	!
[767]	1159	!-- Read binary data from restart file
	1160	DO i = 0, io_blocks-1
	1161	IF ( i == io_group ) THEN
	1162	CALL read_3d_binary
	1163	ENDIF
	1164	#if defined( __parallel )
	1165	CALL MPI_BARRIER( comm2d, ierr )
	1166	#endif
	1167	ENDDO
	1168
[328]	1169	!
[767]	1170	!-- Initialization of the turbulence recycling method
	1171	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1172	turbulent_inflow ) THEN
	1173	!
	1174	!-- First store the profiles to be used at the inflow.
	1175	!-- These profiles are the (temporally) and horizontally averaged vertical
	1176	!-- profiles from the prerun. Alternatively, prescribed profiles
	1177	!-- for u,v-components can be used.
	1178	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1179
[767]	1180	IF ( use_prescribed_profile_data ) THEN
	1181	mean_inflow_profiles(:,1) = u_init ! u
	1182	mean_inflow_profiles(:,2) = v_init ! v
	1183	ELSE
[328]	1184	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1185	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1186	ENDIF
	1187	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1188	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1189
	1190	!
[767]	1191	!-- If necessary, adjust the horizontal flow field to the prescribed
	1192	!-- profiles
	1193	IF ( use_prescribed_profile_data ) THEN
	1194	DO i = nxlg, nxrg
[667]	1195	DO j = nysg, nyng
[328]	1196	DO k = nzb, nzt+1
[767]	1197	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1198	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1199	ENDDO
[151]	1200	ENDDO
[767]	1201	ENDDO
	1202	ENDIF
[151]	1203
	1204	!
[767]	1205	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1206	!-- conditions are used)
	1207	IF ( inflow_l ) THEN
	1208	DO j = nysg, nyng
	1209	DO k = nzb, nzt+1
	1210	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1211	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
	1212	w(k,j,nxlg:-1) = 0.0
	1213	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1214	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1215	ENDDO
	1216	ENDDO
	1217	ENDIF
	1218
[151]	1219	!
[767]	1220	!-- Calculate the damping factors to be used at the inflow. For a
	1221	!-- turbulent inflow the turbulent fluctuations have to be limited
	1222	!-- vertically because otherwise the turbulent inflow layer will grow
	1223	!-- in time.
	1224	IF ( inflow_damping_height == 9999999.9 ) THEN
	1225	!
	1226	!-- Default: use the inversion height calculated by the prerun; if
	1227	!-- this is zero, inflow_damping_height must be explicitly
	1228	!-- specified.
	1229	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	1230	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1231	ELSE
	1232	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1233	'explicitly specified because&the inversion height ', &
	1234	'calculated by the prerun is zero.'
	1235	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1236	ENDIF
[151]	1237
[767]	1238	ENDIF
	1239
	1240	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	1241	!
[767]	1242	!-- Default for the transition range: one tenth of the undamped
	1243	!-- layer
	1244	inflow_damping_width = 0.1 * inflow_damping_height
[151]	1245
[767]	1246	ENDIF
[151]	1247
[767]	1248	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1249
[767]	1250	DO k = nzb, nzt+1
[151]	1251
[767]	1252	IF ( zu(k) <= inflow_damping_height ) THEN
	1253	inflow_damping_factor(k) = 1.0
[996]	1254	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
	1255	inflow_damping_factor(k) = 1.0 - &
	1256	( zu(k) - inflow_damping_height ) / &
	1257	inflow_damping_width
[767]	1258	ELSE
	1259	inflow_damping_factor(k) = 0.0
	1260	ENDIF
[151]	1261
[767]	1262	ENDDO
[151]	1263
[147]	1264	ENDIF
	1265
[152]	1266	!
[359]	1267	!-- Inside buildings set velocities and TKE back to zero
	1268	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1269	topography /= 'flat' ) THEN
	1270	!
	1271	!-- Inside buildings set velocities and TKE back to zero.
	1272	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1273	!-- maybe revise later.
[1001]	1274	DO i = nxlg, nxrg
	1275	DO j = nysg, nyng
	1276	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1277	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1278	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1279	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1280	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1281	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1282	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1283	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1284	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
[359]	1285	ENDDO
[1001]	1286	ENDDO
[359]	1287
	1288	ENDIF
	1289
	1290	!
[1]	1291	!-- Calculate initial temperature field and other constants used in case
	1292	!-- of a sloping surface
	1293	IF ( sloping_surface ) CALL init_slope
	1294
	1295	!
	1296	!-- Initialize new time levels (only done in order to set boundary values
	1297	!-- including ghost points)
	1298	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1299	IF ( humidity .OR. passive_scalar ) THEN
	1300	q_p = q
[1115]	1301	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1302	precipitation ) THEN
[1053]	1303	qr_p = qr
	1304	nr_p = nr
	1305	ENDIF
	1306	ENDIF
[94]	1307	IF ( ocean ) sa_p = sa
[1]	1308
[181]	1309	!
	1310	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1311	!-- have to be predefined here because they are used (but multiplied with 0)
	1312	!-- there before they are set.
[1001]	1313	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
[1053]	1314	IF ( humidity .OR. passive_scalar ) THEN
	1315	tq_m = 0.0
[1115]	1316	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1317	precipitation ) THEN
[1053]	1318	tqr_m = 0.0
	1319	tnr_m = 0.0
	1320	ENDIF
	1321	ENDIF
[1001]	1322	IF ( ocean ) tsa_m = 0.0
[181]	1323
[1]	1324	ELSE
	1325	!
	1326	!-- Actually this part of the programm should not be reached
[254]	1327	message_string = 'unknown initializing problem'
	1328	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1329	ENDIF
	1330
[151]	1331
	1332	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1333	!
[151]	1334	!-- Initialize old timelevels needed for radiation boundary conditions
	1335	IF ( outflow_l ) THEN
	1336	u_m_l(:,:,:) = u(:,:,1:2)
	1337	v_m_l(:,:,:) = v(:,:,0:1)
	1338	w_m_l(:,:,:) = w(:,:,0:1)
	1339	ENDIF
	1340	IF ( outflow_r ) THEN
	1341	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1342	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1343	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1344	ENDIF
	1345	IF ( outflow_s ) THEN
	1346	u_m_s(:,:,:) = u(:,0:1,:)
	1347	v_m_s(:,:,:) = v(:,1:2,:)
	1348	w_m_s(:,:,:) = w(:,0:1,:)
	1349	ENDIF
	1350	IF ( outflow_n ) THEN
	1351	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1352	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1353	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1354	ENDIF
[667]	1355
[151]	1356	ENDIF
[680]	1357
[667]	1358	!
	1359	!-- Calculate the initial volume flow at the right and north boundary
[709]	1360	IF ( conserve_volume_flow ) THEN
[151]	1361
[767]	1362	IF ( use_prescribed_profile_data ) THEN
[667]	1363
[732]	1364	volume_flow_initial_l = 0.0
	1365	volume_flow_area_l = 0.0
	1366
[667]	1367	IF ( nxr == nx ) THEN
	1368	DO j = nys, nyn
[709]	1369	DO k = nzb_2d(j,nx)+1, nzt
[667]	1370	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1371	u_init(k) * dzw(k)
	1372	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1373	ENDDO
	1374	ENDDO
	1375	ENDIF
	1376
	1377	IF ( nyn == ny ) THEN
	1378	DO i = nxl, nxr
	1379	DO k = nzb_2d(ny,i)+1, nzt
	1380	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1381	v_init(k) * dzw(k)
	1382	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1383	ENDDO
	1384	ENDDO
	1385	ENDIF
	1386
	1387	#if defined( __parallel )
	1388	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1389	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1390	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1391	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1392
	1393	#else
	1394	volume_flow_initial = volume_flow_initial_l
	1395	volume_flow_area = volume_flow_area_l
	1396	#endif
	1397
	1398	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1399
	1400	volume_flow_initial_l = 0.0
	1401	volume_flow_area_l = 0.0
	1402
	1403	IF ( nxr == nx ) THEN
	1404	DO j = nys, nyn
	1405	DO k = nzb_2d(j,nx)+1, nzt
	1406	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1407	hom_sum(k,1,0) * dzw(k)
	1408	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1409	ENDDO
	1410	ENDDO
	1411	ENDIF
	1412
	1413	IF ( nyn == ny ) THEN
	1414	DO i = nxl, nxr
[709]	1415	DO k = nzb_2d(ny,i)+1, nzt
[667]	1416	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1417	hom_sum(k,2,0) * dzw(k)
[667]	1418	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1419	ENDDO
	1420	ENDDO
	1421	ENDIF
	1422
[732]	1423	#if defined( __parallel )
	1424	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1425	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1426	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1427	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1428
	1429	#else
	1430	volume_flow_initial = volume_flow_initial_l
	1431	volume_flow_area = volume_flow_area_l
	1432	#endif
	1433
[667]	1434	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1435
[732]	1436	volume_flow_initial_l = 0.0
	1437	volume_flow_area_l = 0.0
	1438
[667]	1439	IF ( nxr == nx ) THEN
	1440	DO j = nys, nyn
[709]	1441	DO k = nzb_2d(j,nx)+1, nzt
[667]	1442	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1443	u(k,j,nx) * dzw(k)
[667]	1444	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1445	ENDDO
	1446	ENDDO
	1447	ENDIF
	1448
	1449	IF ( nyn == ny ) THEN
	1450	DO i = nxl, nxr
[709]	1451	DO k = nzb_2d(ny,i)+1, nzt
[667]	1452	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1453	v(k,ny,i) * dzw(k)
	1454	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1455	ENDDO
	1456	ENDDO
	1457	ENDIF
	1458
	1459	#if defined( __parallel )
[732]	1460	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1461	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1462	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1463	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1464
	1465	#else
[732]	1466	volume_flow_initial = volume_flow_initial_l
	1467	volume_flow_area = volume_flow_area_l
[667]	1468	#endif
	1469
[732]	1470	ENDIF
	1471
[151]	1472	!
[709]	1473	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1474	!-- from u\|v_bulk instead
[680]	1475	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1476	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1477	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1478	ENDIF
[667]	1479
[680]	1480	ENDIF
	1481
[787]	1482	!
	1483	!-- Initialize quantities for special advections schemes
	1484	CALL init_advec
[680]	1485
[667]	1486	!
[680]	1487	!-- Impose random perturbation on the horizontal velocity field and then
	1488	!-- remove the divergences from the velocity field at the initial stage
	1489	IF ( create_disturbances .AND. &
	1490	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1491	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1492
	1493	CALL disturb_field( nzb_u_inner, tend, u )
	1494	CALL disturb_field( nzb_v_inner, tend, v )
	1495	n_sor = nsor_ini
[1113]	1496	!$acc data copy( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner, nzb_v_inner, nzb_w_inner, p, tric, u, v, w, weight_pres, weight_substep, tend )
[680]	1497	CALL pres
[1111]	1498	!$acc end data
[680]	1499	n_sor = nsor
	1500	ENDIF
	1501
	1502	!
[138]	1503	!-- Initialization of the leaf area density
[709]	1504	IF ( plant_canopy ) THEN
[138]	1505
	1506	SELECT CASE ( TRIM( canopy_mode ) )
	1507
	1508	CASE( 'block' )
	1509
[667]	1510	DO i = nxlg, nxrg
	1511	DO j = nysg, nyng
[138]	1512	lad_s(:,j,i) = lad(:)
	1513	cdc(:,j,i) = drag_coefficient
[709]	1514	IF ( passive_scalar ) THEN
[153]	1515	sls(:,j,i) = leaf_surface_concentration
	1516	sec(:,j,i) = scalar_exchange_coefficient
	1517	ENDIF
[138]	1518	ENDDO
	1519	ENDDO
	1520
	1521	CASE DEFAULT
	1522
	1523	!
	1524	!-- The DEFAULT case is reached either if the parameter
	1525	!-- canopy mode contains a wrong character string or if the
	1526	!-- user has coded a special case in the user interface.
	1527	!-- There, the subroutine user_init_plant_canopy checks
	1528	!-- which of these two conditions applies.
	1529	CALL user_init_plant_canopy
	1530
	1531	END SELECT
	1532
[667]	1533	CALL exchange_horiz( lad_s, nbgp )
	1534	CALL exchange_horiz( cdc, nbgp )
[138]	1535
[709]	1536	IF ( passive_scalar ) THEN
[667]	1537	CALL exchange_horiz( sls, nbgp )
	1538	CALL exchange_horiz( sec, nbgp )
[153]	1539	ENDIF
	1540
	1541	!
	1542	!-- Sharp boundaries of the plant canopy in horizontal directions
	1543	!-- In vertical direction the interpolation is retained, as the leaf
	1544	!-- area density is initialised by prescribing a vertical profile
	1545	!-- consisting of piecewise linear segments. The upper boundary
	1546	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1547
[138]	1548	DO i = nxl, nxr
	1549	DO j = nys, nyn
	1550	DO k = nzb, nzt+1
[709]	1551	IF ( lad_s(k,j,i) > 0.0 ) THEN
[153]	1552	lad_u(k,j,i) = lad_s(k,j,i)
	1553	lad_u(k,j,i+1) = lad_s(k,j,i)
	1554	lad_v(k,j,i) = lad_s(k,j,i)
	1555	lad_v(k,j+1,i) = lad_s(k,j,i)
	1556	ENDIF
[138]	1557	ENDDO
	1558	DO k = nzb, nzt
	1559	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1560	ENDDO
	1561	ENDDO
	1562	ENDDO
	1563
[153]	1564	lad_w(pch_index,:,:) = 0.0
	1565	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1566
[667]	1567	CALL exchange_horiz( lad_u, nbgp )
	1568	CALL exchange_horiz( lad_v, nbgp )
	1569	CALL exchange_horiz( lad_w, nbgp )
[153]	1570
	1571	!
	1572	!-- Initialisation of the canopy heat source distribution
[709]	1573	IF ( cthf /= 0.0 ) THEN
[153]	1574	!
	1575	!-- Piecewise evaluation of the leaf area index by
	1576	!-- integration of the leaf area density
	1577	lai(:,:,:) = 0.0
[667]	1578	DO i = nxlg, nxrg
	1579	DO j = nysg, nyng
[153]	1580	DO k = pch_index-1, 0, -1
	1581	lai(k,j,i) = lai(k+1,j,i) + &
	1582	( 0.5 * ( lad_w(k+1,j,i) + &
	1583	lad_s(k+1,j,i) ) * &
	1584	( zw(k+1) - zu(k+1) ) ) + &
	1585	( 0.5 * ( lad_w(k,j,i) + &
	1586	lad_s(k+1,j,i) ) * &
	1587	( zu(k+1) - zw(k) ) )
	1588	ENDDO
	1589	ENDDO
	1590	ENDDO
	1591
	1592	!
	1593	!-- Evaluation of the upward kinematic vertical heat flux within the
	1594	!-- canopy
[667]	1595	DO i = nxlg, nxrg
	1596	DO j = nysg, nyng
[153]	1597	DO k = 0, pch_index
	1598	canopy_heat_flux(k,j,i) = cthf * &
	1599	exp( -0.6 * lai(k,j,i) )
	1600	ENDDO
	1601	ENDDO
	1602	ENDDO
	1603
	1604	!
	1605	!-- The near surface heat flux is derived from the heat flux
	1606	!-- distribution within the canopy
	1607	shf(:,:) = canopy_heat_flux(0,:,:)
	1608
	1609	ENDIF
	1610
[138]	1611	ENDIF
	1612
	1613	!
[1]	1614	!-- If required, initialize dvrp-software
	1615	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1616
[96]	1617	IF ( ocean ) THEN
[1]	1618	!
[96]	1619	!-- Initialize quantities needed for the ocean model
	1620	CALL init_ocean
[388]	1621
[96]	1622	ELSE
	1623	!
	1624	!-- Initialize quantities for handling cloud physics
[849]	1625	!-- This routine must be called before lpm_init, because
[96]	1626	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1627	!-- lpm_init) is not defined.
[96]	1628	CALL init_cloud_physics
	1629	ENDIF
[1]	1630
	1631	!
	1632	!-- If required, initialize particles
[849]	1633	IF ( particle_advection ) CALL lpm_init
[1]	1634
	1635	!
[673]	1636	!-- Initialize the ws-scheme.
	1637	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1638
	1639	!
[709]	1640	!-- Setting weighting factors for calculation of perturbation pressure
	1641	!-- and turbulent quantities from the RK substeps
	1642	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1643
[713]	1644	weight_substep(1) = 1./6.
	1645	weight_substep(2) = 3./10.
	1646	weight_substep(3) = 8./15.
[709]	1647
[713]	1648	weight_pres(1) = 1./3.
	1649	weight_pres(2) = 5./12.
	1650	weight_pres(3) = 1./4.
[709]	1651
	1652	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1653
[713]	1654	weight_substep(1) = 1./2.
	1655	weight_substep(2) = 1./2.
[673]	1656
[713]	1657	weight_pres(1) = 1./2.
	1658	weight_pres(2) = 1./2.
[709]	1659
[1001]	1660	ELSE ! for Euler-method
[709]	1661
[673]	1662	weight_substep(1) = 1.0
[709]	1663	weight_pres(1) = 1.0
	1664
[673]	1665	ENDIF
	1666
	1667	!
[1]	1668	!-- Initialize Rayleigh damping factors
[785]	1669	rdf = 0.0
	1670	rdf_sc = 0.0
[1]	1671	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1672	IF ( .NOT. ocean ) THEN
	1673	DO k = nzb+1, nzt
	1674	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1675	rdf(k) = rayleigh_damping_factor * &
[1]	1676	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1677	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1678	)**2
[108]	1679	ENDIF
	1680	ENDDO
	1681	ELSE
	1682	DO k = nzt, nzb+1, -1
	1683	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1684	rdf(k) = rayleigh_damping_factor * &
	1685	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1686	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1687	)**2
	1688	ENDIF
	1689	ENDDO
	1690	ENDIF
[1]	1691	ENDIF
[785]	1692	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1693
	1694	!
[240]	1695	!-- Initialize the starting level and the vertical smoothing factor used for
	1696	!-- the external pressure gradient
	1697	dp_smooth_factor = 1.0
	1698	IF ( dp_external ) THEN
	1699	!
	1700	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1701	!-- (e.g. in init_grid).
	1702	IF ( dp_level_ind_b == 0 ) THEN
	1703	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1704	dp_level_ind_b = ind_array(1) - 1 + nzb
	1705	! MINLOC uses lower array bound 1
	1706	ENDIF
	1707	IF ( dp_smooth ) THEN
	1708	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1709	DO k = dp_level_ind_b+1, nzt
	1710	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1711	( REAL( k - dp_level_ind_b ) / &
	1712	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1713	ENDDO
	1714	ENDIF
	1715	ENDIF
	1716
	1717	!
[978]	1718	!-- Initialize damping zone for the potential temperature in case of
	1719	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1720	!-- at the inflow boundary and decreases to zero at pt_damping_width.
	1721	ptdf_x = 0.0
	1722	ptdf_y = 0.0
[1159]	1723	IF ( bc_lr_dirrad ) THEN
[996]	1724	DO i = nxl, nxr
[978]	1725	IF ( ( i * dx ) < pt_damping_width ) THEN
	1726	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5 * &
	1727	REAL( pt_damping_width - i * dx ) / ( &
	1728	REAL( pt_damping_width ) ) ) )**2
[73]	1729	ENDIF
	1730	ENDDO
[1159]	1731	ELSEIF ( bc_lr_raddir ) THEN
[996]	1732	DO i = nxl, nxr
[978]	1733	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[996]	1734	ptdf_x(i) = pt_damping_factor * &
	1735	SIN( pi * 0.5 * ( ( i - nx ) * dx + pt_damping_width ) / &
	1736	REAL( pt_damping_width ) )**2
[73]	1737	ENDIF
[978]	1738	ENDDO
[1159]	1739	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1740	DO j = nys, nyn
[978]	1741	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[996]	1742	ptdf_y(j) = pt_damping_factor * &
	1743	SIN( pi * 0.5 * ( ( j - ny ) * dy + pt_damping_width ) / &
	1744	REAL( pt_damping_width ) )**2
[1]	1745	ENDIF
[978]	1746	ENDDO
[1159]	1747	ELSEIF ( bc_ns_raddir ) THEN
[996]	1748	DO j = nys, nyn
[978]	1749	IF ( ( j * dy ) < pt_damping_width ) THEN
[996]	1750	ptdf_y(j) = pt_damping_factor * &
	1751	SIN( pi * 0.5 * ( pt_damping_width - j * dy ) / &
	1752	REAL( pt_damping_width ) )**2
[1]	1753	ENDIF
[73]	1754	ENDDO
[1]	1755	ENDIF
	1756
	1757	!
[709]	1758	!-- Initialize local summation arrays for routine flow_statistics.
	1759	!-- This is necessary because they may not yet have been initialized when they
	1760	!-- are called from flow_statistics (or - depending on the chosen model run -
	1761	!-- are never initialized)
[1]	1762	sums_divnew_l = 0.0
	1763	sums_divold_l = 0.0
	1764	sums_l_l = 0.0
	1765	sums_up_fraction_l = 0.0
	1766	sums_wsts_bc_l = 0.0
	1767
	1768	!
	1769	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1770	!-- Ghost points are excluded because counting values at the ghost boundaries
	1771	!-- would bias the statistics
[1]	1772	rmask = 1.0
[1025]	1773	rmask(:,nxlg:nxl-1,:) = 0.0; rmask(:,nxr+1:nxrg,:) = 0.0
	1774	rmask(nysg:nys-1,:,:) = 0.0; rmask(nyn+1:nyng,:,:) = 0.0
[1]	1775
	1776	!
[51]	1777	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1778	!-- of allowed timeseries is exceeded
[1]	1779	CALL user_init
	1780
[51]	1781	IF ( dots_num > dots_max ) THEN
[254]	1782	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1783	' its maximum of dots_max = ', dots_max, &
[254]	1784	' &Please increase dots_max in modules.f90.'
	1785	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1786	ENDIF
	1787
[1]	1788	!
	1789	!-- Input binary data file is not needed anymore. This line must be placed
	1790	!-- after call of user_init!
	1791	CALL close_file( 13 )
	1792
	1793	!
	1794	!-- Compute total sum of active mask grid points
	1795	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1796	!-- total domain
	1797	!-- ngp_3d: number of grid points of the total domain
[132]	1798	ngp_2dh_outer_l = 0
	1799	ngp_2dh_outer = 0
	1800	ngp_2dh_s_inner_l = 0
	1801	ngp_2dh_s_inner = 0
	1802	ngp_2dh_l = 0
	1803	ngp_2dh = 0
[485]	1804	ngp_3d_inner_l = 0.0
[132]	1805	ngp_3d_inner = 0
	1806	ngp_3d = 0
	1807	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1808
	1809	DO sr = 0, statistic_regions
	1810	DO i = nxl, nxr
	1811	DO j = nys, nyn
	1812	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1813	!
	1814	!-- All xy-grid points
	1815	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1816	!
	1817	!-- xy-grid points above topography
	1818	DO k = nzb_s_outer(j,i), nz + 1
	1819	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1820	ENDDO
[132]	1821	DO k = nzb_s_inner(j,i), nz + 1
	1822	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1823	ENDDO
[1]	1824	!
	1825	!-- All grid points of the total domain above topography
	1826	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1827	( nz - nzb_s_inner(j,i) + 2 )
	1828	ENDIF
	1829	ENDDO
	1830	ENDDO
	1831	ENDDO
	1832
	1833	sr = statistic_regions + 1
	1834	#if defined( __parallel )
[622]	1835	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1836	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1837	comm2d, ierr )
[622]	1838	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1839	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1840	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1841	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1842	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1843	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1844	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1845	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1846	MPI_SUM, comm2d, ierr )
[485]	1847	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1848	#else
[132]	1849	ngp_2dh = ngp_2dh_l
	1850	ngp_2dh_outer = ngp_2dh_outer_l
	1851	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1852	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1853	#endif
	1854
[560]	1855	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1856	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1857
	1858	!
	1859	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1860	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1861	!-- the respective subdomain lie below the surface topography
[667]	1862	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1863	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1864	ngp_3d_inner(:) )
[667]	1865	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1866
[485]	1867	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1868
	1869
	1870	END SUBROUTINE init_3d_model

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