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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1210

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

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