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source: palm/trunk/SOURCE/init_3d_model.f90 @ 708

Last change on this file since 708 was 708, checked in by raasch, 13 years ago
last commit documented
Property svn:keywords set to `Id`
File size: 55.4 KB

Rev	Line
[1]	1	#if defined( __ibmy_special )
	2	@PROCESS NOOPTimize
	3	#endif
	4	SUBROUTINE init_3d_model
	5
	6	!------------------------------------------------------------------------------!
[254]	7	! Current revisions:
[1]	8	! -----------------
[708]	9	!
	10	!
	11	! Former revisions:
	12	! -----------------
	13	! $Id: init_3d_model.f90 708 2011-03-29 12:34:54Z raasch $
	14	!
	15	! 707 2011-03-29 11:39:40Z raasch
[707]	16	! p_sub renamed p_loc and allocated depending on the chosen pressure solver,
	17	! initial assignments of zero to array p for iterative solvers only,
	18	! bc_lr/ns replaced by bc_lr/ns_dirrad/raddir
[674]	19	!
[708]	20	! 680 2011-02-04 23:16:06Z gryschka
[681]	21	! bugfix: volume_flow_control
[668]	22	!
[674]	23	! 673 2011-01-18 16:19:48Z suehring
	24	! weight_substep (moved from advec_ws) and weight_pres added.
	25	! Allocate p_sub when using Multigrid or SOR solver.
	26	! Call of ws_init moved behind the if requests.
	27	!
[668]	28	! 667 2010-12-23 12:06:00Z suehring/gryschka
[667]	29	! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng in loops and
	30	! allocation of arrays. Calls of exchange_horiz are modified.
	31	! Call ws_init to initialize arrays needed for statistical evaluation and
	32	! optimization when ws-scheme is used.
	33	! Initial volume flow is now calculated by using the variable hom_sum.
	34	! Therefore the correction of initial volume flow for non-flat topography
	35	! removed (removed u_nzb_p1_for_vfc and v_nzb_p1_for_vfc)
	36	! Changed surface boundary conditions for u and v in case of ibc_uv_b == 0 from
	37	! mirror bc to dirichlet boundary conditions (u=v=0), so that k=nzb is
	38	! representative for the height z0
	39	! Bugfix: type conversion of '1' to 64bit for the MAX function (ngp_3d_inner)
	40	!
[623]	41	! 622 2010-12-10 08:08:13Z raasch
	42	! optional barriers included in order to speed up collective operations
	43	!
[561]	44	! 560 2010-09-09 10:06:09Z weinreis
	45	! bugfix: correction of calculating ngp_3d for 64 bit
	46	!
[486]	47	! 485 2010-02-05 10:57:51Z raasch
	48	! calculation of ngp_3d + ngp_3d_inner changed because they have now 64 bit
	49	!
[482]	50	! 407 2009-12-01 15:01:15Z maronga
	51	! var_ts is replaced by dots_max
	52	! Enabled passive scalar/humidity wall fluxes for non-flat topography
	53	!
[392]	54	! 388 2009-09-23 09:40:33Z raasch
[388]	55	! Initialization of prho added.
[359]	56	! bugfix: correction of initial volume flow for non-flat topography
	57	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	58	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	59	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	60	! independent of turbulent_inflow
[254]	61	! Output of messages replaced by message handling routine.
[240]	62	! Set the starting level and the vertical smoothing factor used for
	63	! the external pressure gradient
[254]	64	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	65	! and 'bulk_velocity'
[292]	66	! If the inversion height calculated by the prerun is zero,
	67	! inflow_damping_height must be explicitly specified.
[139]	68	!
[198]	69	! 181 2008-07-30 07:07:47Z raasch
	70	! bugfix: zero assignments to tendency arrays in case of restarts,
	71	! further extensions and modifications in the initialisation of the plant
	72	! canopy model,
	73	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	74	! after allocating theses arrays,
	75	! read data for recycling added as new initialization option,
	76	! dummy allocation for diss
	77	!
[139]	78	! 138 2007-11-28 10:03:58Z letzel
[132]	79	! New counter ngp_2dh_s_inner.
	80	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	81	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	82	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	83	!
[110]	84	! 108 2007-08-24 15:10:38Z letzel
	85	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	86	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	87	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	88	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	89	! TKE e_init
	90	!
[98]	91	! 97 2007-06-21 08:23:15Z raasch
	92	! Initialization of salinity, call of init_ocean
	93	!
[90]	94	! 87 2007-05-22 15:46:47Z raasch
	95	! var_hom and var_sum renamed pr_palm
	96	!
[77]	97	! 75 2007-03-22 09:54:05Z raasch
[73]	98	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	99	! bugfix for cases with the outflow damping layer extending over more than one
[75]	100	! subdomain, moisture renamed humidity,
	101	! new initializing action "by_user" calls user_init_3d_model,
[72]	102	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	103	! initial velocities at nzb+1 are regarded for volume
	104	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	105	! -uvmean_outflow, uxrp, vynp eliminated
[1]	106	!
[39]	107	! 19 2007-02-23 04:53:48Z raasch
	108	! +handling of top fluxes
	109	!
[3]	110	! RCS Log replace by Id keyword, revision history cleaned up
	111	!
[1]	112	! Revision 1.49 2006/08/22 15:59:07 raasch
	113	! No optimization of this file on the ibmy (Yonsei Univ.)
	114	!
	115	! Revision 1.1 1998/03/09 16:22:22 raasch
	116	! Initial revision
	117	!
	118	!
	119	! Description:
	120	! ------------
	121	! Allocation of arrays and initialization of the 3D model via
	122	! a) pre-run the 1D model
	123	! or
	124	! b) pre-set constant linear profiles
	125	! or
	126	! c) read values of a previous run
	127	!------------------------------------------------------------------------------!
	128
[667]	129	USE advec_ws
[1]	130	USE arrays_3d
	131	USE averaging
[72]	132	USE cloud_parameters
[1]	133	USE constants
	134	USE control_parameters
	135	USE cpulog
	136	USE indices
	137	USE interfaces
	138	USE model_1d
[51]	139	USE netcdf_control
[1]	140	USE particle_attributes
	141	USE pegrid
	142	USE profil_parameter
	143	USE random_function_mod
	144	USE statistics
	145
	146	IMPLICIT NONE
	147
[559]	148	INTEGER :: i, ind_array(1), j, k, sr
[1]	149
[485]	150	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l
[1]	151
[132]	152	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
	153	ngp_2dh_s_inner_l
[1]	154
[153]	155	REAL :: a, b
	156
[1]	157	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	158
[485]	159	REAL, DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l, ngp_3d_inner_tmp
[1]	160
[485]	161
[1]	162	!
	163	!-- Allocate arrays
	164	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	165	ngp_3d(0:statistic_regions), &
	166	ngp_3d_inner(0:statistic_regions), &
	167	ngp_3d_inner_l(0:statistic_regions), &
[485]	168	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	169	sums_divnew_l(0:statistic_regions), &
	170	sums_divold_l(0:statistic_regions) )
[240]	171	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt) )
[143]	172	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	173	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	174	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	175	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[667]	176	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	177	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	178	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	179	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	180	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	181	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	182	ts_value(dots_max,0:statistic_regions) )
[667]	183	ALLOCATE( km_damp_x(nxlg:nxrg), km_damp_y(nysg:nyng) )
[1]	184
[667]	185	ALLOCATE( rif_1(nysg:nyng,nxlg:nxrg), shf_1(nysg:nyng,nxlg:nxrg), &
	186	ts(nysg:nyng,nxlg:nxrg), tswst_1(nysg:nyng,nxlg:nxrg), &
	187	us(nysg:nyng,nxlg:nxrg), usws_1(nysg:nyng,nxlg:nxrg), &
	188	uswst_1(nysg:nyng,nxlg:nxrg), &
	189	vsws_1(nysg:nyng,nxlg:nxrg), &
	190	vswst_1(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg) )
[1]	191
	192	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	193	!
	194	!-- Leapfrog scheme needs two timelevels of diffusion quantities
[667]	195	ALLOCATE( rif_2(nysg:nyng,nxlg:nxrg), &
	196	shf_2(nysg:nyng,nxlg:nxrg), &
	197	tswst_2(nysg:nyng,nxlg:nxrg), &
	198	usws_2(nysg:nyng,nxlg:nxrg), &
	199	uswst_2(nysg:nyng,nxlg:nxrg), &
	200	vswst_2(nysg:nyng,nxlg:nxrg), &
	201	vsws_2(nysg:nyng,nxlg:nxrg) )
[1]	202	ENDIF
	203
[75]	204	ALLOCATE( d(nzb+1:nzta,nys:nyna,nxl:nxra), &
[667]	205	e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	206	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	207	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	208	kh_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	209	km_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	210	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	211	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	212	pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	213	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	214	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	215	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	216	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	217	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	218	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	219	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	220	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	221	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	222	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	223	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[673]	224	!
[707]	225	!-- Following array is required for perturbation pressure within the iterative
	226	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	227	!-- the weighted average of the substeps and cannot be used in the Poisson
	228	!-- solver.
	229	IF ( psolver == 'sor' ) THEN
	230	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	231	ELSEIF ( psolver == 'multigrid' ) THEN
	232	!
	233	!-- For performance reasons, multigrid is using one ghost layer only
	234	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	235	ENDIF
[1]	236
	237	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	238	ALLOCATE( kh_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	239	km_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	240	ENDIF
	241
[75]	242	IF ( humidity .OR. passive_scalar ) THEN
[1]	243	!
[75]	244	!-- 2D-humidity/scalar arrays
[667]	245	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	246	qsws_1(nysg:nyng,nxlg:nxrg), &
	247	qswst_1(nysg:nyng,nxlg:nxrg) )
[1]	248
	249	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	250	ALLOCATE( qsws_2(nysg:nyng,nxlg:nxrg), &
	251	qswst_2(nysg:nyng,nxlg:nxrg) )
[1]	252	ENDIF
	253	!
[75]	254	!-- 3D-humidity/scalar arrays
[667]	255	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	256	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	257	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	258
	259	!
[75]	260	!-- 3D-arrays needed for humidity only
	261	IF ( humidity ) THEN
[667]	262	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	263
	264	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	265	ALLOCATE( vpt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	266	ENDIF
	267
	268	IF ( cloud_physics ) THEN
	269	!
	270	!-- Liquid water content
[667]	271	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[72]	272	!
	273	!-- Precipitation amount and rate (only needed if output is switched)
[667]	274	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	275	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1]	276	ENDIF
	277
	278	IF ( cloud_droplets ) THEN
	279	!
	280	!-- Liquid water content, change in liquid water content,
	281	!-- real volume of particles (with weighting), volume of particles
[667]	282	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	283	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	284	ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	285	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	286	ENDIF
	287
	288	ENDIF
	289
	290	ENDIF
	291
[94]	292	IF ( ocean ) THEN
[667]	293	ALLOCATE( saswsb_1(nysg:nyng,nxlg:nxrg), &
	294	saswst_1(nysg:nyng,nxlg:nxrg) )
	295	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	296	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	297	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	298	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	299	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	300	prho => prho_1
	301	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	302	! density to be apointer
[108]	303	IF ( humidity_remote ) THEN
[667]	304	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[108]	305	qswst_remote = 0.0
	306	ENDIF
[94]	307	ENDIF
	308
[1]	309	!
	310	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	311	!-- particle velocities
	312	IF ( use_sgs_for_particles ) THEN
[667]	313	ALLOCATE ( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[181]	314	ELSE
	315	ALLOCATE ( diss(2,2,2) ) ! required because diss is used as a
	316	! formal parameter
[1]	317	ENDIF
	318
	319	IF ( dt_dosp /= 9999999.9 ) THEN
	320	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	321	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	322	spectrum_x = 0.0
	323	spectrum_y = 0.0
[1]	324	ENDIF
	325
	326	!
[138]	327	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	328	IF ( plant_canopy ) THEN
[667]	329	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	330	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	331	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	332	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	333	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	334
	335	IF ( passive_scalar ) THEN
[667]	336	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	338	ENDIF
	339
	340	IF ( cthf /= 0.0 ) THEN
[667]	341	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	342	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	343	ENDIF
	344
[138]	345	ENDIF
	346
	347	!
[51]	348	!-- 4D-array for storing the Rif-values at vertical walls
	349	IF ( topography /= 'flat' ) THEN
[667]	350	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[51]	351	rif_wall = 0.0
	352	ENDIF
	353
	354	!
[106]	355	!-- Arrays to store velocity data from t-dt and the phase speeds which
	356	!-- are needed for radiation boundary conditions
[73]	357	IF ( outflow_l ) THEN
[667]	358	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	359	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	360	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	361	ENDIF
	362	IF ( outflow_r ) THEN
[667]	363	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	364	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	365	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	366	ENDIF
[106]	367	IF ( outflow_l .OR. outflow_r ) THEN
[667]	368	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	369	c_w(nzb:nzt+1,nysg:nyng) )
[106]	370	ENDIF
[73]	371	IF ( outflow_s ) THEN
[667]	372	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	373	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	374	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	375	ENDIF
	376	IF ( outflow_n ) THEN
[667]	377	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	378	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	379	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	380	ENDIF
[106]	381	IF ( outflow_s .OR. outflow_n ) THEN
[667]	382	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	383	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	384	ENDIF
[73]	385
	386	!
[1]	387	!-- Initial assignment of the pointers
	388	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	389
[19]	390	rif_m => rif_1; rif => rif_2
	391	shf_m => shf_1; shf => shf_2
	392	tswst_m => tswst_1; tswst => tswst_2
	393	usws_m => usws_1; usws => usws_2
[102]	394	uswst_m => uswst_1; uswst => uswst_2
[19]	395	vsws_m => vsws_1; vsws => vsws_2
[102]	396	vswst_m => vswst_1; vswst => vswst_2
[1]	397	e_m => e_1; e => e_2; e_p => e_3; te_m => e_3
	398	kh_m => kh_1; kh => kh_2
	399	km_m => km_1; km => km_2
	400	pt_m => pt_1; pt => pt_2; pt_p => pt_3; tpt_m => pt_3
	401	u_m => u_1; u => u_2; u_p => u_3; tu_m => u_3
	402	v_m => v_1; v => v_2; v_p => v_3; tv_m => v_3
	403	w_m => w_1; w => w_2; w_p => w_3; tw_m => w_3
	404
[75]	405	IF ( humidity .OR. passive_scalar ) THEN
[19]	406	qsws_m => qsws_1; qsws => qsws_2
	407	qswst_m => qswst_1; qswst => qswst_2
[1]	408	q_m => q_1; q => q_2; q_p => q_3; tq_m => q_3
[75]	409	IF ( humidity ) vpt_m => vpt_1; vpt => vpt_2
[1]	410	IF ( cloud_physics ) ql => ql_1
	411	IF ( cloud_droplets ) THEN
	412	ql => ql_1
	413	ql_c => ql_2
	414	ENDIF
	415	ENDIF
	416
	417	ELSE
	418
[19]	419	rif => rif_1
	420	shf => shf_1
	421	tswst => tswst_1
	422	usws => usws_1
[102]	423	uswst => uswst_1
[19]	424	vsws => vsws_1
[102]	425	vswst => vswst_1
[19]	426	e => e_1; e_p => e_2; te_m => e_3; e_m => e_3
	427	kh => kh_1
	428	km => km_1
	429	pt => pt_1; pt_p => pt_2; tpt_m => pt_3; pt_m => pt_3
	430	u => u_1; u_p => u_2; tu_m => u_3; u_m => u_3
	431	v => v_1; v_p => v_2; tv_m => v_3; v_m => v_3
	432	w => w_1; w_p => w_2; tw_m => w_3; w_m => w_3
[1]	433
[75]	434	IF ( humidity .OR. passive_scalar ) THEN
[1]	435	qsws => qsws_1
[19]	436	qswst => qswst_1
[94]	437	q => q_1; q_p => q_2; tq_m => q_3; q_m => q_3
[75]	438	IF ( humidity ) vpt => vpt_1
[1]	439	IF ( cloud_physics ) ql => ql_1
	440	IF ( cloud_droplets ) THEN
	441	ql => ql_1
	442	ql_c => ql_2
	443	ENDIF
	444	ENDIF
	445
[94]	446	IF ( ocean ) THEN
[95]	447	saswsb => saswsb_1
[94]	448	saswst => saswst_1
	449	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	450	ENDIF
	451
[1]	452	ENDIF
[673]	453
[1]	454	!
[673]	455	!-- Allocate arrays containing the RK coefficient for right evaluation of
	456	!-- perturbation pressure and turbulent fluxes. At this point it is needed
	457	!-- for right pressure correction during initialization. Further below
	458	!-- the real values will be set.
	459	ALLOCATE (weight_substep(1:intermediate_timestep_count_max), &
	460	weight_pres(1:intermediate_timestep_count_max) )
	461	weight_substep = 1.
	462	weight_pres = 1.
	463	intermediate_timestep_count = 1 ! needed for simulated_time=0
	464
	465	!
[1]	466	!-- Initialize model variables
[147]	467	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	468	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	469	!
	470	!-- First model run of a possible job queue.
	471	!-- Initial profiles of the variables must be computes.
	472	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	473	!
	474	!-- Use solutions of the 1D model as initial profiles,
	475	!-- start 1D model
	476	CALL init_1d_model
	477	!
	478	!-- Transfer initial profiles to the arrays of the 3D model
[667]	479	DO i = nxlg, nxrg
	480	DO j = nysg, nyng
[1]	481	e(:,j,i) = e1d
	482	kh(:,j,i) = kh1d
	483	km(:,j,i) = km1d
	484	pt(:,j,i) = pt_init
	485	u(:,j,i) = u1d
	486	v(:,j,i) = v1d
	487	ENDDO
	488	ENDDO
	489
[75]	490	IF ( humidity .OR. passive_scalar ) THEN
[667]	491	DO i = nxlg, nxrg
	492	DO j = nysg, nyng
[1]	493	q(:,j,i) = q_init
	494	ENDDO
	495	ENDDO
	496	ENDIF
	497
	498	IF ( .NOT. constant_diffusion ) THEN
[667]	499	DO i = nxlg, nxrg
	500	DO j = nysg, nyng
[1]	501	e(:,j,i) = e1d
	502	ENDDO
	503	ENDDO
	504	!
	505	!-- Store initial profiles for output purposes etc.
	506	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	507
	508	IF ( prandtl_layer ) THEN
	509	rif = rif1d(nzb+1)
	510	ts = 0.0 ! could actually be computed more accurately in the
	511	! 1D model. Update when opportunity arises.
	512	us = us1d
	513	usws = usws1d
	514	vsws = vsws1d
	515	ELSE
	516	ts = 0.0 ! must be set, because used in
	517	rif = 0.0 ! flowste
	518	us = 0.0
	519	usws = 0.0
	520	vsws = 0.0
	521	ENDIF
	522
	523	ELSE
	524	e = 0.0 ! must be set, because used in
	525	rif = 0.0 ! flowste
	526	ts = 0.0
	527	us = 0.0
	528	usws = 0.0
	529	vsws = 0.0
	530	ENDIF
[102]	531	uswst = top_momentumflux_u
	532	vswst = top_momentumflux_v
[1]	533
	534	!
	535	!-- In every case qs = 0.0 (see also pt)
	536	!-- This could actually be computed more accurately in the 1D model.
	537	!-- Update when opportunity arises!
[75]	538	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	539
	540	!
	541	!-- inside buildings set velocities back to zero
	542	IF ( topography /= 'flat' ) THEN
	543	DO i = nxl-1, nxr+1
	544	DO j = nys-1, nyn+1
	545	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	546	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	547	ENDDO
	548	ENDDO
[667]	549
[1]	550	!
	551	!-- WARNING: The extra boundary conditions set after running the
	552	!-- ------- 1D model impose an error on the divergence one layer
	553	!-- below the topography; need to correct later
	554	!-- ATTENTION: Provisional correction for Piacsek & Williams
	555	!-- --------- advection scheme: keep u and v zero one layer below
	556	!-- the topography.
	557	!
[667]	558	!-- Following was removed, because mirror boundary condition are
	559	!-- replaced by dirichlet boundary conditions
[1]	560	!
[667]	561	! IF ( ibc_uv_b == 0 ) THEN
	562	!!
	563	!!-- Satisfying the Dirichlet condition with an extra layer below
	564	!!-- the surface where the u and v component change their sign.
	565	! DO i = nxl-1, nxr+1
	566	! DO j = nys-1, nyn+1
	567	! IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = -u(1,j,i)
	568	! IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = -v(1,j,i)
	569	! ENDDO
	570	! ENDDO
	571	!
	572	! ELSE
	573	IF ( ibc_uv_b == 1 ) THEN
	574	!
[1]	575	!-- Neumann condition
	576	DO i = nxl-1, nxr+1
	577	DO j = nys-1, nyn+1
	578	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	579	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	580	ENDDO
	581	ENDDO
	582
	583	ENDIF
	584
	585	ENDIF
	586
	587	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	588	THEN
	589	!
	590	!-- Use constructed initial profiles (velocity constant with height,
	591	!-- temperature profile with constant gradient)
[667]	592	DO i = nxlg, nxrg
	593	DO j = nysg, nyng
[1]	594	pt(:,j,i) = pt_init
	595	u(:,j,i) = u_init
	596	v(:,j,i) = v_init
	597	ENDDO
	598	ENDDO
[75]	599
[1]	600	!
[292]	601	!-- Set initial horizontal velocities at the lowest computational grid
	602	!-- levels to zero in order to avoid too small time steps caused by the
	603	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	604	!-- in the limiting formula!). The original values are stored to be later
	605	!-- used for volume flow control.
[667]	606	DO i = nxlg, nxrg
	607	DO j = nysg, nyng
[1]	608	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	609	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	610	ENDDO
	611	ENDDO
	612
[75]	613	IF ( humidity .OR. passive_scalar ) THEN
[667]	614	DO i = nxlg, nxrg
	615	DO j = nysg, nyng
[1]	616	q(:,j,i) = q_init
	617	ENDDO
	618	ENDDO
	619	ENDIF
	620
[94]	621	IF ( ocean ) THEN
[667]	622	DO i = nxlg, nxrg
	623	DO j = nysg, nyng
[94]	624	sa(:,j,i) = sa_init
	625	ENDDO
	626	ENDDO
	627	ENDIF
[1]	628
	629	IF ( constant_diffusion ) THEN
	630	km = km_constant
	631	kh = km / prandtl_number
[108]	632	e = 0.0
	633	ELSEIF ( e_init > 0.0 ) THEN
	634	DO k = nzb+1, nzt
	635	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	636	ENDDO
	637	km(nzb,:,:) = km(nzb+1,:,:)
	638	km(nzt+1,:,:) = km(nzt,:,:)
	639	kh = km / prandtl_number
	640	e = e_init
[1]	641	ELSE
[108]	642	IF ( .NOT. ocean ) THEN
	643	kh = 0.01 ! there must exist an initial diffusion, because
	644	km = 0.01 ! otherwise no TKE would be produced by the
	645	! production terms, as long as not yet
	646	! e = (u/cm)*2 at k=nzb+1
	647	ELSE
	648	kh = 0.00001
	649	km = 0.00001
	650	ENDIF
	651	e = 0.0
[1]	652	ENDIF
[102]	653	rif = 0.0
	654	ts = 0.0
	655	us = 0.0
	656	usws = 0.0
	657	uswst = top_momentumflux_u
	658	vsws = 0.0
	659	vswst = top_momentumflux_v
[75]	660	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	661
	662	!
	663	!-- Compute initial temperature field and other constants used in case
	664	!-- of a sloping surface
	665	IF ( sloping_surface ) CALL init_slope
	666
[46]	667	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	668	THEN
	669	!
	670	!-- Initialization will completely be done by the user
	671	CALL user_init_3d_model
	672
[1]	673	ENDIF
[667]	674	!
	675	!-- Bottom boundary
	676	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
	677	u(nzb,:,:) = 0.0
	678	v(nzb,:,:) = 0.0
	679	ENDIF
[1]	680
	681	!
[151]	682	!-- Apply channel flow boundary condition
[132]	683	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	684
	685	u(nzt+1,:,:) = 0.0
	686	v(nzt+1,:,:) = 0.0
	687
[151]	688	!-- For the Dirichlet condition to be correctly applied at the top, set
[132]	689	!-- ug and vg to zero there
	690	ug(nzt+1) = 0.0
	691	vg(nzt+1) = 0.0
	692
	693	ENDIF
	694
	695	!
[1]	696	!-- Calculate virtual potential temperature
[75]	697	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	698
	699	!
	700	!-- Store initial profiles for output purposes etc.
	701	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	702	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	703	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
	704	hom(nzb,1,5,:) = 0.0
	705	hom(nzb,1,6,:) = 0.0
[1]	706	ENDIF
	707	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	708	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	709	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	710
[97]	711	IF ( ocean ) THEN
	712	!
	713	!-- Store initial salinity profile
	714	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	715	ENDIF
[1]	716
[75]	717	IF ( humidity ) THEN
[1]	718	!
	719	!-- Store initial profile of total water content, virtual potential
	720	!-- temperature
	721	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	722	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	723	IF ( cloud_physics .OR. cloud_droplets ) THEN
	724	!
	725	!-- Store initial profile of specific humidity and potential
	726	!-- temperature
	727	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	728	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	729	ENDIF
	730	ENDIF
	731
	732	IF ( passive_scalar ) THEN
	733	!
	734	!-- Store initial scalar profile
	735	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	736	ENDIF
	737
	738	!
[19]	739	!-- Initialize fluxes at bottom surface
[1]	740	IF ( use_surface_fluxes ) THEN
	741
	742	IF ( constant_heatflux ) THEN
	743	!
	744	!-- Heat flux is prescribed
	745	IF ( random_heatflux ) THEN
	746	CALL disturb_heatflux
	747	ELSE
	748	shf = surface_heatflux
	749	!
	750	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	751	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	752	DO i = nxlg, nxrg
	753	DO j = nysg, nyng
[1]	754	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	755	shf(j,i) = wall_heatflux(0)
	756	ENDIF
	757	ENDDO
	758	ENDDO
	759	ENDIF
	760	ENDIF
	761	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
	762	ENDIF
	763
	764	!
	765	!-- Determine the near-surface water flux
[75]	766	IF ( humidity .OR. passive_scalar ) THEN
[1]	767	IF ( constant_waterflux ) THEN
	768	qsws = surface_waterflux
[407]	769	!
	770	!-- Over topography surface_waterflux is replaced by
	771	!-- wall_humidityflux(0)
	772	IF ( TRIM( topography ) /= 'flat' ) THEN
	773	wall_qflux = wall_humidityflux
[667]	774	DO i = nxlg, nxrg
	775	DO j = nysg, nyng
[407]	776	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	777	qsws(j,i) = wall_qflux(0)
	778	ENDIF
	779	ENDDO
	780	ENDDO
	781	ENDIF
[1]	782	IF ( ASSOCIATED( qsws_m ) ) qsws_m = qsws
	783	ENDIF
	784	ENDIF
	785
	786	ENDIF
	787
	788	!
[19]	789	!-- Initialize fluxes at top surface
[94]	790	!-- Currently, only the heatflux and salinity flux can be prescribed.
	791	!-- The latent flux is zero in this case!
[19]	792	IF ( use_top_fluxes ) THEN
	793
	794	IF ( constant_top_heatflux ) THEN
	795	!
	796	!-- Heat flux is prescribed
	797	tswst = top_heatflux
	798	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	799
[75]	800	IF ( humidity .OR. passive_scalar ) THEN
[19]	801	qswst = 0.0
	802	IF ( ASSOCIATED( qswst_m ) ) qswst_m = qswst
	803	ENDIF
[94]	804
	805	IF ( ocean ) THEN
[95]	806	saswsb = bottom_salinityflux
[94]	807	saswst = top_salinityflux
	808	ENDIF
[102]	809	ENDIF
[19]	810
[102]	811	!
	812	!-- Initialization in case of a coupled model run
	813	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	814	tswst = 0.0
	815	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	816	ENDIF
	817
[19]	818	ENDIF
	819
	820	!
[1]	821	!-- Initialize Prandtl layer quantities
	822	IF ( prandtl_layer ) THEN
	823
	824	z0 = roughness_length
	825
	826	IF ( .NOT. constant_heatflux ) THEN
	827	!
	828	!-- Surface temperature is prescribed. Here the heat flux cannot be
	829	!-- simply estimated, because therefore rif, u* and theta* would have
	830	!-- to be computed by iteration. This is why the heat flux is assumed
	831	!-- to be zero before the first time step. It approaches its correct
	832	!-- value in the course of the first few time steps.
	833	shf = 0.0
	834	IF ( ASSOCIATED( shf_m ) ) shf_m = 0.0
	835	ENDIF
	836
[75]	837	IF ( humidity .OR. passive_scalar ) THEN
[1]	838	IF ( .NOT. constant_waterflux ) THEN
	839	qsws = 0.0
	840	IF ( ASSOCIATED( qsws_m ) ) qsws_m = 0.0
	841	ENDIF
	842	ENDIF
	843
	844	ENDIF
	845
[152]	846
	847	!
[707]	848	!-- For the moment, vertical velocity is zero
	849	w = 0.0
[1]	850
	851	!
	852	!-- Initialize array sums (must be defined in first call of pres)
	853	sums = 0.0
	854
	855	!
[707]	856	!-- In case of iterative solvers, p must get an initial value
	857	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0
	858
	859	!
[72]	860	!-- Treating cloud physics, liquid water content and precipitation amount
	861	!-- are zero at beginning of the simulation
	862	IF ( cloud_physics ) THEN
	863	ql = 0.0
	864	IF ( precipitation ) precipitation_amount = 0.0
	865	ENDIF
[673]	866
	867	!
	868	!-- Initialize quantities for special advections schemes
	869	CALL init_advec
[1]	870
	871	!
	872	!-- Impose vortex with vertical axis on the initial velocity profile
	873	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	874	CALL init_rankine
	875	ENDIF
	876
	877	!
	878	!-- Impose temperature anomaly (advection test only)
	879	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	880	CALL init_pt_anomaly
	881	ENDIF
	882
	883	!
	884	!-- If required, change the surface temperature at the start of the 3D run
	885	IF ( pt_surface_initial_change /= 0.0 ) THEN
	886	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	887	ENDIF
	888
	889	!
	890	!-- If required, change the surface humidity/scalar at the start of the 3D
	891	!-- run
[75]	892	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	893	q_surface_initial_change /= 0.0 ) THEN
	894	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	895	ENDIF
	896
	897	!
	898	!-- Initialize the random number generator (from numerical recipes)
	899	CALL random_function_ini
	900
	901	!
	902	!-- Initialize old and new time levels.
	903	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	904	e_m = e; pt_m = pt; u_m = u; v_m = v; w_m = w; kh_m = kh; km_m = km
	905	ELSE
	906	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	907	ENDIF
	908	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	909
[75]	910	IF ( humidity .OR. passive_scalar ) THEN
[1]	911	IF ( ASSOCIATED( q_m ) ) q_m = q
	912	IF ( timestep_scheme(1:5) == 'runge' ) tq_m = 0.0
	913	q_p = q
[75]	914	IF ( humidity .AND. ASSOCIATED( vpt_m ) ) vpt_m = vpt
[1]	915	ENDIF
	916
[94]	917	IF ( ocean ) THEN
	918	tsa_m = 0.0
	919	sa_p = sa
	920	ENDIF
[667]	921
[94]	922
[147]	923	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	924	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	925	THEN
	926	!
[328]	927	!-- When reading data for cyclic fill of 3D prerun data, first read
[147]	928	!-- some of the global variables from restart file
[328]	929	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	930
	931	CALL read_parts_of_var_list
[147]	932	CALL close_file( 13 )
[328]	933
[151]	934	!
[328]	935	!-- Initialization of the turbulence recycling method
	936	IF ( turbulent_inflow ) THEN
	937	!
	938	!-- Store temporally and horizontally averaged vertical profiles to be
	939	!-- used as mean inflow profiles
	940	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	941
[328]	942	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	943	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
	944	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	945	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	946
	947	!
[328]	948	!-- Use these mean profiles for the inflow (provided that Dirichlet
	949	!-- conditions are used)
	950	IF ( inflow_l ) THEN
[667]	951	DO j = nysg, nyng
[328]	952	DO k = nzb, nzt+1
[667]	953	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	954	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
	955	w(k,j,nxlg:-1) = 0.0
	956	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	957	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[328]	958	ENDDO
[151]	959	ENDDO
[328]	960	ENDIF
[151]	961
	962	!
[328]	963	!-- Calculate the damping factors to be used at the inflow. For a
	964	!-- turbulent inflow the turbulent fluctuations have to be limited
	965	!-- vertically because otherwise the turbulent inflow layer will grow
	966	!-- in time.
	967	IF ( inflow_damping_height == 9999999.9 ) THEN
[151]	968	!
[328]	969	!-- Default: use the inversion height calculated by the prerun; if
	970	!-- this is zero, inflow_damping_height must be explicitly
	971	!-- specified.
	972	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	973	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	974	ELSE
	975	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	976	'explicitly specified because&the inversion height ', &
	977	'calculated by the prerun is zero.'
	978	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
	979	ENDIF
	980
[292]	981	ENDIF
[151]	982
[328]	983	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	984	!
[328]	985	!-- Default for the transition range: one tenth of the undamped
	986	!-- layer
	987	inflow_damping_width = 0.1 * inflow_damping_height
[151]	988
[328]	989	ENDIF
[151]	990
[328]	991	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	992
[328]	993	DO k = nzb, nzt+1
[151]	994
[328]	995	IF ( zu(k) <= inflow_damping_height ) THEN
	996	inflow_damping_factor(k) = 1.0
	997	ELSEIF ( zu(k) <= inflow_damping_height + &
	998	inflow_damping_width ) THEN
	999	inflow_damping_factor(k) = 1.0 - &
[151]	1000	( zu(k) - inflow_damping_height ) / &
	1001	inflow_damping_width
[328]	1002	ELSE
	1003	inflow_damping_factor(k) = 0.0
	1004	ENDIF
[151]	1005
[328]	1006	ENDDO
	1007	ENDIF
[151]	1008
[147]	1009	ENDIF
	1010
[152]	1011	!
[163]	1012	!-- Read binary data from restart file
[667]	1013
[559]	1014	CALL read_3d_binary
[163]	1015
	1016	!
[359]	1017	!-- Inside buildings set velocities and TKE back to zero
	1018	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1019	topography /= 'flat' ) THEN
	1020	!
	1021	!-- Inside buildings set velocities and TKE back to zero.
	1022	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1023	!-- maybe revise later.
	1024	IF ( timestep_scheme(1:5) == 'runge' ) THEN
[667]	1025	DO i = nxlg, nxrg
	1026	DO j = nysg, nyng
[359]	1027	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1028	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1029	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1030	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1031	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1032	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1033	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1034	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1035	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1036	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1037	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1038	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1039	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1040	ENDDO
	1041	ENDDO
	1042	ELSE
[667]	1043	DO i = nxlg, nxrg
	1044	DO j = nysg, nyng
[359]	1045	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1046	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1047	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1048	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1049	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1050	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1051	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1052	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1053	u_p(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1054	v_p(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1055	w_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1056	e_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1057	ENDDO
	1058	ENDDO
	1059	ENDIF
	1060
	1061	ENDIF
	1062
	1063	!
[1]	1064	!-- Calculate initial temperature field and other constants used in case
	1065	!-- of a sloping surface
	1066	IF ( sloping_surface ) CALL init_slope
	1067
	1068	!
	1069	!-- Initialize new time levels (only done in order to set boundary values
	1070	!-- including ghost points)
	1071	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[75]	1072	IF ( humidity .OR. passive_scalar ) q_p = q
[94]	1073	IF ( ocean ) sa_p = sa
[1]	1074
[181]	1075	!
	1076	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1077	!-- have to be predefined here because they are used (but multiplied with 0)
	1078	!-- there before they are set.
	1079	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1080	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	1081	IF ( humidity .OR. passive_scalar ) tq_m = 0.0
	1082	IF ( ocean ) tsa_m = 0.0
	1083	ENDIF
	1084
[1]	1085	ELSE
	1086	!
	1087	!-- Actually this part of the programm should not be reached
[254]	1088	message_string = 'unknown initializing problem'
	1089	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1090	ENDIF
	1091
[151]	1092
	1093	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1094	!
[151]	1095	!-- Initialize old timelevels needed for radiation boundary conditions
	1096	IF ( outflow_l ) THEN
	1097	u_m_l(:,:,:) = u(:,:,1:2)
	1098	v_m_l(:,:,:) = v(:,:,0:1)
	1099	w_m_l(:,:,:) = w(:,:,0:1)
	1100	ENDIF
	1101	IF ( outflow_r ) THEN
	1102	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1103	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1104	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1105	ENDIF
	1106	IF ( outflow_s ) THEN
	1107	u_m_s(:,:,:) = u(:,0:1,:)
	1108	v_m_s(:,:,:) = v(:,1:2,:)
	1109	w_m_s(:,:,:) = w(:,0:1,:)
	1110	ENDIF
	1111	IF ( outflow_n ) THEN
	1112	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1113	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1114	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1115	ENDIF
[667]	1116
[151]	1117	ENDIF
[680]	1118
[667]	1119	!
	1120	!-- Calculate the initial volume flow at the right and north boundary
	1121	IF ( conserve_volume_flow ) THEN
[151]	1122
[667]	1123	volume_flow_initial_l = 0.0
	1124	volume_flow_area_l = 0.0
	1125
	1126	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1127
	1128	IF ( nxr == nx ) THEN
	1129	DO j = nys, nyn
	1130	DO k = nzb_2d(j,nx) + 1, nzt
	1131	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1132	hom_sum(k,1,0) * dzw(k)
	1133	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1134	ENDDO
	1135	ENDDO
	1136	ENDIF
	1137
	1138	IF ( nyn == ny ) THEN
	1139	DO i = nxl, nxr
	1140	DO k = nzb_2d(ny,i) + 1, nzt
	1141	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1142	hom_sum(k,2,0) * dzw(k)
	1143	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1144	ENDDO
	1145	ENDDO
	1146	ENDIF
	1147
	1148	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1149
	1150	IF ( nxr == nx ) THEN
	1151	DO j = nys, nyn
	1152	DO k = nzb_2d(j,nx) + 1, nzt
	1153	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1154	u(k,j,nx) * dzw(k)
	1155	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1156	ENDDO
	1157	ENDDO
	1158	ENDIF
	1159
	1160	IF ( nyn == ny ) THEN
	1161	DO i = nxl, nxr
	1162	DO k = nzb_2d(ny,i) + 1, nzt
	1163	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1164	v(k,ny,i) * dzw(k)
	1165	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1166	ENDDO
	1167	ENDDO
	1168	ENDIF
	1169
	1170	ENDIF
	1171
	1172	#if defined( __parallel )
[680]	1173	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1174	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1175	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1176	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1177
	1178	#else
[680]	1179	volume_flow_initial = volume_flow_initial_l
	1180	volume_flow_area = volume_flow_area_l
[667]	1181	#endif
	1182
[151]	1183	!
[667]	1184	!-- In case of 'bulk_velocity' mode, volume_flow_initial is overridden
	1185	!-- and calculated from u\|v_bulk instead.
[680]	1186	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1187	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1188	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1189	ENDIF
[667]	1190
[680]	1191	ENDIF
	1192
	1193
[667]	1194	!
[680]	1195	!-- Impose random perturbation on the horizontal velocity field and then
	1196	!-- remove the divergences from the velocity field at the initial stage
	1197	IF ( create_disturbances .AND. &
	1198	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1199	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1200
	1201	CALL disturb_field( nzb_u_inner, tend, u )
	1202	CALL disturb_field( nzb_v_inner, tend, v )
	1203	n_sor = nsor_ini
	1204	CALL pres
	1205	n_sor = nsor
	1206	ENDIF
	1207
	1208	!
[138]	1209	!-- Initialization of the leaf area density
[680]	1210	IF ( plant_canopy ) THEN
[138]	1211
	1212	SELECT CASE ( TRIM( canopy_mode ) )
	1213
	1214	CASE( 'block' )
	1215
[667]	1216	DO i = nxlg, nxrg
	1217	DO j = nysg, nyng
[138]	1218	lad_s(:,j,i) = lad(:)
	1219	cdc(:,j,i) = drag_coefficient
[153]	1220	IF ( passive_scalar ) THEN
	1221	sls(:,j,i) = leaf_surface_concentration
	1222	sec(:,j,i) = scalar_exchange_coefficient
	1223	ENDIF
[138]	1224	ENDDO
	1225	ENDDO
	1226
	1227	CASE DEFAULT
	1228
	1229	!
	1230	!-- The DEFAULT case is reached either if the parameter
	1231	!-- canopy mode contains a wrong character string or if the
	1232	!-- user has coded a special case in the user interface.
	1233	!-- There, the subroutine user_init_plant_canopy checks
	1234	!-- which of these two conditions applies.
	1235	CALL user_init_plant_canopy
	1236
	1237	END SELECT
	1238
[667]	1239	CALL exchange_horiz( lad_s, nbgp )
	1240	CALL exchange_horiz( cdc, nbgp )
[138]	1241
[153]	1242	IF ( passive_scalar ) THEN
[667]	1243	CALL exchange_horiz( sls, nbgp )
	1244	CALL exchange_horiz( sec, nbgp )
[153]	1245	ENDIF
	1246
	1247	!
	1248	!-- Sharp boundaries of the plant canopy in horizontal directions
	1249	!-- In vertical direction the interpolation is retained, as the leaf
	1250	!-- area density is initialised by prescribing a vertical profile
	1251	!-- consisting of piecewise linear segments. The upper boundary
	1252	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1253
[138]	1254	DO i = nxl, nxr
	1255	DO j = nys, nyn
	1256	DO k = nzb, nzt+1
[153]	1257	IF ( lad_s(k,j,i) > 0.0 ) THEN
	1258	lad_u(k,j,i) = lad_s(k,j,i)
	1259	lad_u(k,j,i+1) = lad_s(k,j,i)
	1260	lad_v(k,j,i) = lad_s(k,j,i)
	1261	lad_v(k,j+1,i) = lad_s(k,j,i)
	1262	ENDIF
[138]	1263	ENDDO
	1264	DO k = nzb, nzt
	1265	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1266	ENDDO
	1267	ENDDO
	1268	ENDDO
	1269
[153]	1270	lad_w(pch_index,:,:) = 0.0
	1271	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1272
[667]	1273	CALL exchange_horiz( lad_u, nbgp )
	1274	CALL exchange_horiz( lad_v, nbgp )
	1275	CALL exchange_horiz( lad_w, nbgp )
[153]	1276
	1277	!
	1278	!-- Initialisation of the canopy heat source distribution
	1279	IF ( cthf /= 0.0 ) THEN
	1280	!
	1281	!-- Piecewise evaluation of the leaf area index by
	1282	!-- integration of the leaf area density
	1283	lai(:,:,:) = 0.0
[667]	1284	DO i = nxlg, nxrg
	1285	DO j = nysg, nyng
[153]	1286	DO k = pch_index-1, 0, -1
	1287	lai(k,j,i) = lai(k+1,j,i) + &
	1288	( 0.5 * ( lad_w(k+1,j,i) + &
	1289	lad_s(k+1,j,i) ) * &
	1290	( zw(k+1) - zu(k+1) ) ) + &
	1291	( 0.5 * ( lad_w(k,j,i) + &
	1292	lad_s(k+1,j,i) ) * &
	1293	( zu(k+1) - zw(k) ) )
	1294	ENDDO
	1295	ENDDO
	1296	ENDDO
	1297
	1298	!
	1299	!-- Evaluation of the upward kinematic vertical heat flux within the
	1300	!-- canopy
[667]	1301	DO i = nxlg, nxrg
	1302	DO j = nysg, nyng
[153]	1303	DO k = 0, pch_index
	1304	canopy_heat_flux(k,j,i) = cthf * &
	1305	exp( -0.6 * lai(k,j,i) )
	1306	ENDDO
	1307	ENDDO
	1308	ENDDO
	1309
	1310	!
	1311	!-- The near surface heat flux is derived from the heat flux
	1312	!-- distribution within the canopy
	1313	shf(:,:) = canopy_heat_flux(0,:,:)
	1314
	1315	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
	1316
	1317	ENDIF
	1318
[138]	1319	ENDIF
	1320
	1321	!
[1]	1322	!-- If required, initialize dvrp-software
	1323	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1324
[96]	1325	IF ( ocean ) THEN
[1]	1326	!
[96]	1327	!-- Initialize quantities needed for the ocean model
	1328	CALL init_ocean
[388]	1329
[96]	1330	ELSE
	1331	!
	1332	!-- Initialize quantities for handling cloud physics
	1333	!-- This routine must be called before init_particles, because
	1334	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
	1335	!-- init_particles) is not defined.
	1336	CALL init_cloud_physics
	1337	ENDIF
[1]	1338
	1339	!
	1340	!-- If required, initialize particles
[63]	1341	IF ( particle_advection ) CALL init_particles
[1]	1342
	1343	!
[673]	1344	!-- Initialize the ws-scheme.
	1345	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1346
	1347	!
[673]	1348	!-- Setting weighting factors for right evaluation of perturbation pressure
	1349	!-- and turbulent quantities during the RK substeps.
	1350	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! RK3
	1351	weight_substep(1) = 0.166666666666666
	1352	weight_substep(2) = 0.3
	1353	weight_substep(3) = 0.533333333333333
	1354
	1355	weight_pres(1) = 0.333333333333333
	1356	weight_pres(2) = 0.416666666666666
	1357	weight_pres(3) = 0.25
	1358	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! RK2
	1359	weight_substep(1) = 0.5
	1360	weight_substep(2) = 0.5
	1361
	1362	weight_pres(1) = 0.5
	1363	weight_pres(2) = 0.5
	1364	ELSE ! Euler and Leapfrog
	1365	weight_substep(1) = 1.0
	1366	weight_pres(1) = 1.0
	1367	ENDIF
	1368
	1369	!
[1]	1370	!-- Initialize Rayleigh damping factors
	1371	rdf = 0.0
	1372	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1373	IF ( .NOT. ocean ) THEN
	1374	DO k = nzb+1, nzt
	1375	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1376	rdf(k) = rayleigh_damping_factor * &
[1]	1377	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1378	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1379	)**2
[108]	1380	ENDIF
	1381	ENDDO
	1382	ELSE
	1383	DO k = nzt, nzb+1, -1
	1384	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1385	rdf(k) = rayleigh_damping_factor * &
	1386	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1387	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1388	)**2
	1389	ENDIF
	1390	ENDDO
	1391	ENDIF
[1]	1392	ENDIF
	1393
	1394	!
[240]	1395	!-- Initialize the starting level and the vertical smoothing factor used for
	1396	!-- the external pressure gradient
	1397	dp_smooth_factor = 1.0
	1398	IF ( dp_external ) THEN
	1399	!
	1400	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1401	!-- (e.g. in init_grid).
	1402	IF ( dp_level_ind_b == 0 ) THEN
	1403	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1404	dp_level_ind_b = ind_array(1) - 1 + nzb
	1405	! MINLOC uses lower array bound 1
	1406	ENDIF
	1407	IF ( dp_smooth ) THEN
	1408	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1409	DO k = dp_level_ind_b+1, nzt
	1410	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1411	( REAL( k - dp_level_ind_b ) / &
	1412	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1413	ENDDO
	1414	ENDIF
	1415	ENDIF
	1416
	1417	!
[1]	1418	!-- Initialize diffusivities used within the outflow damping layer in case of
	1419	!-- non-cyclic lateral boundaries. A linear increase is assumed over the first
	1420	!-- half of the width of the damping layer
[707]	1421	IF ( bc_lr_dirrad ) THEN
[1]	1422
[667]	1423	DO i = nxlg, nxrg
[73]	1424	IF ( i >= nx - outflow_damping_width ) THEN
	1425	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1426	( i - ( nx - outflow_damping_width ) ) / &
	1427	REAL( outflow_damping_width/2 ) &
	1428	)
	1429	ELSE
	1430	km_damp_x(i) = 0.0
	1431	ENDIF
	1432	ENDDO
[1]	1433
[707]	1434	ELSEIF ( bc_lr_raddir ) THEN
[1]	1435
[667]	1436	DO i = nxlg, nxrg
[73]	1437	IF ( i <= outflow_damping_width ) THEN
	1438	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1439	( outflow_damping_width - i ) / &
	1440	REAL( outflow_damping_width/2 ) &
	1441	)
	1442	ELSE
	1443	km_damp_x(i) = 0.0
	1444	ENDIF
	1445	ENDDO
[1]	1446
[73]	1447	ENDIF
[1]	1448
[707]	1449	IF ( bc_ns_dirrad ) THEN
[1]	1450
[667]	1451	DO j = nysg, nyng
[73]	1452	IF ( j >= ny - outflow_damping_width ) THEN
	1453	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1454	( j - ( ny - outflow_damping_width ) ) / &
	1455	REAL( outflow_damping_width/2 ) &
	1456	)
	1457	ELSE
	1458	km_damp_y(j) = 0.0
[1]	1459	ENDIF
	1460	ENDDO
	1461
[707]	1462	ELSEIF ( bc_ns_raddir ) THEN
[1]	1463
[667]	1464	DO j = nysg, nyng
[73]	1465	IF ( j <= outflow_damping_width ) THEN
	1466	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1467	( outflow_damping_width - j ) / &
	1468	REAL( outflow_damping_width/2 ) &
	1469	)
	1470	ELSE
	1471	km_damp_y(j) = 0.0
[1]	1472	ENDIF
[73]	1473	ENDDO
[1]	1474
	1475	ENDIF
	1476
	1477	!
	1478	!-- Initialize local summation arrays for UP flow_statistics. This is necessary
	1479	!-- because they may not yet have been initialized when they are called from
	1480	!-- flow_statistics (or - depending on the chosen model run - are never
	1481	!-- initialized)
	1482	sums_divnew_l = 0.0
	1483	sums_divold_l = 0.0
	1484	sums_l_l = 0.0
	1485	sums_up_fraction_l = 0.0
	1486	sums_wsts_bc_l = 0.0
	1487
	1488	!
	1489	!-- Pre-set masks for regional statistics. Default is the total model domain.
	1490	rmask = 1.0
	1491
	1492	!
[51]	1493	!-- User-defined initializing actions. Check afterwards, if maximum number
	1494	!-- of allowed timeseries is not exceeded
[1]	1495	CALL user_init
	1496
[51]	1497	IF ( dots_num > dots_max ) THEN
[254]	1498	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1499	' its maximum of dots_max = ', dots_max, &
[254]	1500	' &Please increase dots_max in modules.f90.'
	1501	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1502	ENDIF
	1503
[1]	1504	!
	1505	!-- Input binary data file is not needed anymore. This line must be placed
	1506	!-- after call of user_init!
	1507	CALL close_file( 13 )
	1508
	1509	!
	1510	!-- Compute total sum of active mask grid points
	1511	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1512	!-- total domain
	1513	!-- ngp_3d: number of grid points of the total domain
[132]	1514	ngp_2dh_outer_l = 0
	1515	ngp_2dh_outer = 0
	1516	ngp_2dh_s_inner_l = 0
	1517	ngp_2dh_s_inner = 0
	1518	ngp_2dh_l = 0
	1519	ngp_2dh = 0
[485]	1520	ngp_3d_inner_l = 0.0
[132]	1521	ngp_3d_inner = 0
	1522	ngp_3d = 0
	1523	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1524
	1525	DO sr = 0, statistic_regions
	1526	DO i = nxl, nxr
	1527	DO j = nys, nyn
	1528	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1529	!
	1530	!-- All xy-grid points
	1531	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1532	!
	1533	!-- xy-grid points above topography
	1534	DO k = nzb_s_outer(j,i), nz + 1
	1535	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1536	ENDDO
[132]	1537	DO k = nzb_s_inner(j,i), nz + 1
	1538	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1539	ENDDO
[1]	1540	!
	1541	!-- All grid points of the total domain above topography
	1542	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1543	( nz - nzb_s_inner(j,i) + 2 )
	1544	ENDIF
	1545	ENDDO
	1546	ENDDO
	1547	ENDDO
	1548
	1549	sr = statistic_regions + 1
	1550	#if defined( __parallel )
[622]	1551	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1552	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1553	comm2d, ierr )
[622]	1554	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1555	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1556	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1557	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1558	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1559	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1560	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1561	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1562	MPI_SUM, comm2d, ierr )
[485]	1563	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1564	#else
[132]	1565	ngp_2dh = ngp_2dh_l
	1566	ngp_2dh_outer = ngp_2dh_outer_l
	1567	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1568	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1569	#endif
	1570
[560]	1571	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1572	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1573
	1574	!
	1575	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1576	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1577	!-- the respective subdomain lie below the surface topography
[667]	1578	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1579	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1580	ngp_3d_inner(:) )
[667]	1581	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1582
[485]	1583	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1584
	1585
	1586	END SUBROUTINE init_3d_model

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