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source: palm/trunk/SOURCE/init_3d_model.f90 @ 412

Last change on this file since 412 was 407, checked in by maronga, 15 years ago
humidity for non-flat topography implemented, re-adjustments for lcxt4
Property svn:keywords set to `Id`
File size: 55.6 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	! -----------------
[394]	9	! var_ts is replaced by dots_max
[407]	10	! Enabled passive scalar/humidity wall fluxes for non-flat topography
[392]	11	!
	12	! Former revisions:
	13	! -----------------
	14	! $Id: init_3d_model.f90 407 2009-12-01 15:01:15Z raasch $
	15	!
	16	! 388 2009-09-23 09:40:33Z raasch
[388]	17	! Initialization of prho added.
[359]	18	! bugfix: correction of initial volume flow for non-flat topography
	19	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	20	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	21	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	22	! independent of turbulent_inflow
[254]	23	! Output of messages replaced by message handling routine.
[240]	24	! Set the starting level and the vertical smoothing factor used for
	25	! the external pressure gradient
[254]	26	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	27	! and 'bulk_velocity'
[292]	28	! If the inversion height calculated by the prerun is zero,
	29	! inflow_damping_height must be explicitly specified.
[139]	30	!
[198]	31	! 181 2008-07-30 07:07:47Z raasch
	32	! bugfix: zero assignments to tendency arrays in case of restarts,
	33	! further extensions and modifications in the initialisation of the plant
	34	! canopy model,
	35	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	36	! after allocating theses arrays,
	37	! read data for recycling added as new initialization option,
	38	! dummy allocation for diss
	39	!
[139]	40	! 138 2007-11-28 10:03:58Z letzel
[132]	41	! New counter ngp_2dh_s_inner.
	42	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	43	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	44	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	45	!
[110]	46	! 108 2007-08-24 15:10:38Z letzel
	47	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	48	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	49	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	50	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	51	! TKE e_init
	52	!
[98]	53	! 97 2007-06-21 08:23:15Z raasch
	54	! Initialization of salinity, call of init_ocean
	55	!
[90]	56	! 87 2007-05-22 15:46:47Z raasch
	57	! var_hom and var_sum renamed pr_palm
	58	!
[77]	59	! 75 2007-03-22 09:54:05Z raasch
[73]	60	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	61	! bugfix for cases with the outflow damping layer extending over more than one
[75]	62	! subdomain, moisture renamed humidity,
	63	! new initializing action "by_user" calls user_init_3d_model,
[72]	64	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	65	! initial velocities at nzb+1 are regarded for volume
	66	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	67	! -uvmean_outflow, uxrp, vynp eliminated
[1]	68	!
[39]	69	! 19 2007-02-23 04:53:48Z raasch
	70	! +handling of top fluxes
	71	!
[3]	72	! RCS Log replace by Id keyword, revision history cleaned up
	73	!
[1]	74	! Revision 1.49 2006/08/22 15:59:07 raasch
	75	! No optimization of this file on the ibmy (Yonsei Univ.)
	76	!
	77	! Revision 1.1 1998/03/09 16:22:22 raasch
	78	! Initial revision
	79	!
	80	!
	81	! Description:
	82	! ------------
	83	! Allocation of arrays and initialization of the 3D model via
	84	! a) pre-run the 1D model
	85	! or
	86	! b) pre-set constant linear profiles
	87	! or
	88	! c) read values of a previous run
	89	!------------------------------------------------------------------------------!
	90
	91	USE arrays_3d
	92	USE averaging
[72]	93	USE cloud_parameters
[1]	94	USE constants
	95	USE control_parameters
	96	USE cpulog
	97	USE indices
	98	USE interfaces
	99	USE model_1d
[51]	100	USE netcdf_control
[1]	101	USE particle_attributes
	102	USE pegrid
	103	USE profil_parameter
	104	USE random_function_mod
	105	USE statistics
	106
	107	IMPLICIT NONE
	108
[240]	109	INTEGER :: i, ind_array(1), j, k, sr
[1]	110
	111	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l, ngp_3d_inner_l
	112
[132]	113	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
	114	ngp_2dh_s_inner_l
[1]	115
[153]	116	REAL :: a, b
	117
[1]	118	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	119
	120
	121	!
	122	!-- Allocate arrays
	123	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	124	ngp_3d(0:statistic_regions), &
	125	ngp_3d_inner(0:statistic_regions), &
	126	ngp_3d_inner_l(0:statistic_regions), &
	127	sums_divnew_l(0:statistic_regions), &
	128	sums_divold_l(0:statistic_regions) )
[240]	129	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt) )
[143]	130	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	131	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	132	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	133	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[1]	134	rmask(nys-1:nyn+1,nxl-1:nxr+1,0:statistic_regions), &
[87]	135	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	136	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	137	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	138	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	139	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	140	ts_value(dots_max,0:statistic_regions) )
[1]	141	ALLOCATE( km_damp_x(nxl-1:nxr+1), km_damp_y(nys-1:nyn+1) )
	142
[19]	143	ALLOCATE( rif_1(nys-1:nyn+1,nxl-1:nxr+1), shf_1(nys-1:nyn+1,nxl-1:nxr+1), &
	144	ts(nys-1:nyn+1,nxl-1:nxr+1), tswst_1(nys-1:nyn+1,nxl-1:nxr+1), &
	145	us(nys-1:nyn+1,nxl-1:nxr+1), usws_1(nys-1:nyn+1,nxl-1:nxr+1), &
[102]	146	uswst_1(nys-1:nyn+1,nxl-1:nxr+1), &
	147	vsws_1(nys-1:nyn+1,nxl-1:nxr+1), &
	148	vswst_1(nys-1:nyn+1,nxl-1:nxr+1), z0(nys-1:nyn+1,nxl-1:nxr+1) )
[1]	149
	150	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	151	!
	152	!-- Leapfrog scheme needs two timelevels of diffusion quantities
[19]	153	ALLOCATE( rif_2(nys-1:nyn+1,nxl-1:nxr+1), &
	154	shf_2(nys-1:nyn+1,nxl-1:nxr+1), &
	155	tswst_2(nys-1:nyn+1,nxl-1:nxr+1), &
	156	usws_2(nys-1:nyn+1,nxl-1:nxr+1), &
[102]	157	uswst_2(nys-1:nyn+1,nxl-1:nxr+1), &
	158	vswst_2(nys-1:nyn+1,nxl-1:nxr+1), &
[1]	159	vsws_2(nys-1:nyn+1,nxl-1:nxr+1) )
	160	ENDIF
	161
[75]	162	ALLOCATE( d(nzb+1:nzta,nys:nyna,nxl:nxra), &
	163	e_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	164	e_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	165	e_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	166	kh_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	167	km_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	168	p(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	169	pt_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	170	pt_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	171	pt_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	172	tend(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	173	u_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	174	u_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	175	u_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	176	v_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	177	v_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	178	v_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	179	w_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	180	w_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
[1]	181	w_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	182
	183	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	184	ALLOCATE( kh_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	185	km_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	186	ENDIF
	187
[75]	188	IF ( humidity .OR. passive_scalar ) THEN
[1]	189	!
[75]	190	!-- 2D-humidity/scalar arrays
[1]	191	ALLOCATE ( qs(nys-1:nyn+1,nxl-1:nxr+1), &
[19]	192	qsws_1(nys-1:nyn+1,nxl-1:nxr+1), &
	193	qswst_1(nys-1:nyn+1,nxl-1:nxr+1) )
[1]	194
	195	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[19]	196	ALLOCATE( qsws_2(nys-1:nyn+1,nxl-1:nxr+1), &
	197	qswst_2(nys-1:nyn+1,nxl-1:nxr+1) )
[1]	198	ENDIF
	199	!
[75]	200	!-- 3D-humidity/scalar arrays
[1]	201	ALLOCATE( q_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	202	q_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	203	q_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	204
	205	!
[75]	206	!-- 3D-arrays needed for humidity only
	207	IF ( humidity ) THEN
[1]	208	ALLOCATE( vpt_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	209
	210	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	211	ALLOCATE( vpt_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	212	ENDIF
	213
	214	IF ( cloud_physics ) THEN
	215	!
	216	!-- Liquid water content
	217	ALLOCATE ( ql_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[72]	218	!
	219	!-- Precipitation amount and rate (only needed if output is switched)
	220	ALLOCATE( precipitation_amount(nys-1:nyn+1,nxl-1:nxr+1), &
	221	precipitation_rate(nys-1:nyn+1,nxl-1:nxr+1) )
[1]	222	ENDIF
	223
	224	IF ( cloud_droplets ) THEN
	225	!
	226	!-- Liquid water content, change in liquid water content,
	227	!-- real volume of particles (with weighting), volume of particles
	228	ALLOCATE ( ql_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	229	ql_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	230	ql_v(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	231	ql_vp(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	232	ENDIF
	233
	234	ENDIF
	235
	236	ENDIF
	237
[94]	238	IF ( ocean ) THEN
[95]	239	ALLOCATE( saswsb_1(nys-1:nyn+1,nxl-1:nxr+1), &
	240	saswst_1(nys-1:nyn+1,nxl-1:nxr+1) )
[388]	241	ALLOCATE( prho_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	242	rho_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	243	sa_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	244	sa_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
[94]	245	sa_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[388]	246	prho => prho_1
	247	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	248	! density to be apointer
[108]	249	IF ( humidity_remote ) THEN
	250	ALLOCATE( qswst_remote(nys-1:nyn+1,nxl-1:nxr+1) )
	251	qswst_remote = 0.0
	252	ENDIF
[94]	253	ENDIF
	254
[1]	255	!
	256	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	257	!-- particle velocities
	258	IF ( use_sgs_for_particles ) THEN
	259	ALLOCATE ( diss(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[181]	260	ELSE
	261	ALLOCATE ( diss(2,2,2) ) ! required because diss is used as a
	262	! formal parameter
[1]	263	ENDIF
	264
	265	IF ( dt_dosp /= 9999999.9 ) THEN
	266	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	267	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	268	spectrum_x = 0.0
	269	spectrum_y = 0.0
[1]	270	ENDIF
	271
	272	!
[138]	273	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	274	IF ( plant_canopy ) THEN
	275	ALLOCATE ( lad_s(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	276	lad_u(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	277	lad_v(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	278	lad_w(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	279	cdc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[153]	280
	281	IF ( passive_scalar ) THEN
	282	ALLOCATE ( sls(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	283	sec(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	284	ENDIF
	285
	286	IF ( cthf /= 0.0 ) THEN
	287	ALLOCATE ( lai(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	288	canopy_heat_flux(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	289	ENDIF
	290
[138]	291	ENDIF
	292
	293	!
[51]	294	!-- 4D-array for storing the Rif-values at vertical walls
	295	IF ( topography /= 'flat' ) THEN
	296	ALLOCATE( rif_wall(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1,1:4) )
	297	rif_wall = 0.0
	298	ENDIF
	299
	300	!
	301	!-- Velocities at nzb+1 needed for volume flow control
	302	IF ( conserve_volume_flow ) THEN
	303	ALLOCATE( u_nzb_p1_for_vfc(nys:nyn), v_nzb_p1_for_vfc(nxl:nxr) )
	304	u_nzb_p1_for_vfc = 0.0
	305	v_nzb_p1_for_vfc = 0.0
	306	ENDIF
	307
	308	!
[106]	309	!-- Arrays to store velocity data from t-dt and the phase speeds which
	310	!-- are needed for radiation boundary conditions
[73]	311	IF ( outflow_l ) THEN
[106]	312	ALLOCATE( u_m_l(nzb:nzt+1,nys-1:nyn+1,1:2), &
	313	v_m_l(nzb:nzt+1,nys-1:nyn+1,0:1), &
	314	w_m_l(nzb:nzt+1,nys-1:nyn+1,0:1) )
[73]	315	ENDIF
	316	IF ( outflow_r ) THEN
[106]	317	ALLOCATE( u_m_r(nzb:nzt+1,nys-1:nyn+1,nx-1:nx), &
	318	v_m_r(nzb:nzt+1,nys-1:nyn+1,nx-1:nx), &
	319	w_m_r(nzb:nzt+1,nys-1:nyn+1,nx-1:nx) )
[73]	320	ENDIF
[106]	321	IF ( outflow_l .OR. outflow_r ) THEN
	322	ALLOCATE( c_u(nzb:nzt+1,nys-1:nyn+1), c_v(nzb:nzt+1,nys-1:nyn+1), &
	323	c_w(nzb:nzt+1,nys-1:nyn+1) )
	324	ENDIF
[73]	325	IF ( outflow_s ) THEN
[106]	326	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxl-1:nxr+1), &
	327	v_m_s(nzb:nzt+1,1:2,nxl-1:nxr+1), &
	328	w_m_s(nzb:nzt+1,0:1,nxl-1:nxr+1) )
[73]	329	ENDIF
	330	IF ( outflow_n ) THEN
[106]	331	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxl-1:nxr+1), &
	332	v_m_n(nzb:nzt+1,ny-1:ny,nxl-1:nxr+1), &
	333	w_m_n(nzb:nzt+1,ny-1:ny,nxl-1:nxr+1) )
[73]	334	ENDIF
[106]	335	IF ( outflow_s .OR. outflow_n ) THEN
	336	ALLOCATE( c_u(nzb:nzt+1,nxl-1:nxr+1), c_v(nzb:nzt+1,nxl-1:nxr+1), &
	337	c_w(nzb:nzt+1,nxl-1:nxr+1) )
	338	ENDIF
[73]	339
	340	!
[1]	341	!-- Initial assignment of the pointers
	342	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	343
[19]	344	rif_m => rif_1; rif => rif_2
	345	shf_m => shf_1; shf => shf_2
	346	tswst_m => tswst_1; tswst => tswst_2
	347	usws_m => usws_1; usws => usws_2
[102]	348	uswst_m => uswst_1; uswst => uswst_2
[19]	349	vsws_m => vsws_1; vsws => vsws_2
[102]	350	vswst_m => vswst_1; vswst => vswst_2
[1]	351	e_m => e_1; e => e_2; e_p => e_3; te_m => e_3
	352	kh_m => kh_1; kh => kh_2
	353	km_m => km_1; km => km_2
	354	pt_m => pt_1; pt => pt_2; pt_p => pt_3; tpt_m => pt_3
	355	u_m => u_1; u => u_2; u_p => u_3; tu_m => u_3
	356	v_m => v_1; v => v_2; v_p => v_3; tv_m => v_3
	357	w_m => w_1; w => w_2; w_p => w_3; tw_m => w_3
	358
[75]	359	IF ( humidity .OR. passive_scalar ) THEN
[19]	360	qsws_m => qsws_1; qsws => qsws_2
	361	qswst_m => qswst_1; qswst => qswst_2
[1]	362	q_m => q_1; q => q_2; q_p => q_3; tq_m => q_3
[75]	363	IF ( humidity ) vpt_m => vpt_1; vpt => vpt_2
[1]	364	IF ( cloud_physics ) ql => ql_1
	365	IF ( cloud_droplets ) THEN
	366	ql => ql_1
	367	ql_c => ql_2
	368	ENDIF
	369	ENDIF
	370
	371	ELSE
	372
[19]	373	rif => rif_1
	374	shf => shf_1
	375	tswst => tswst_1
	376	usws => usws_1
[102]	377	uswst => uswst_1
[19]	378	vsws => vsws_1
[102]	379	vswst => vswst_1
[19]	380	e => e_1; e_p => e_2; te_m => e_3; e_m => e_3
	381	kh => kh_1
	382	km => km_1
	383	pt => pt_1; pt_p => pt_2; tpt_m => pt_3; pt_m => pt_3
	384	u => u_1; u_p => u_2; tu_m => u_3; u_m => u_3
	385	v => v_1; v_p => v_2; tv_m => v_3; v_m => v_3
	386	w => w_1; w_p => w_2; tw_m => w_3; w_m => w_3
[1]	387
[75]	388	IF ( humidity .OR. passive_scalar ) THEN
[1]	389	qsws => qsws_1
[19]	390	qswst => qswst_1
[94]	391	q => q_1; q_p => q_2; tq_m => q_3; q_m => q_3
[75]	392	IF ( humidity ) vpt => vpt_1
[1]	393	IF ( cloud_physics ) ql => ql_1
	394	IF ( cloud_droplets ) THEN
	395	ql => ql_1
	396	ql_c => ql_2
	397	ENDIF
	398	ENDIF
	399
[94]	400	IF ( ocean ) THEN
[95]	401	saswsb => saswsb_1
[94]	402	saswst => saswst_1
	403	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	404	ENDIF
	405
[1]	406	ENDIF
	407
	408	!
	409	!-- Initialize model variables
[147]	410	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	411	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	412	!
	413	!-- First model run of a possible job queue.
	414	!-- Initial profiles of the variables must be computes.
	415	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	416	!
	417	!-- Use solutions of the 1D model as initial profiles,
	418	!-- start 1D model
	419	CALL init_1d_model
	420	!
	421	!-- Transfer initial profiles to the arrays of the 3D model
	422	DO i = nxl-1, nxr+1
	423	DO j = nys-1, nyn+1
	424	e(:,j,i) = e1d
	425	kh(:,j,i) = kh1d
	426	km(:,j,i) = km1d
	427	pt(:,j,i) = pt_init
	428	u(:,j,i) = u1d
	429	v(:,j,i) = v1d
	430	ENDDO
	431	ENDDO
	432
[75]	433	IF ( humidity .OR. passive_scalar ) THEN
[1]	434	DO i = nxl-1, nxr+1
	435	DO j = nys-1, nyn+1
	436	q(:,j,i) = q_init
	437	ENDDO
	438	ENDDO
	439	ENDIF
	440
	441	IF ( .NOT. constant_diffusion ) THEN
	442	DO i = nxl-1, nxr+1
	443	DO j = nys-1, nyn+1
	444	e(:,j,i) = e1d
	445	ENDDO
	446	ENDDO
	447	!
	448	!-- Store initial profiles for output purposes etc.
	449	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	450
	451	IF ( prandtl_layer ) THEN
	452	rif = rif1d(nzb+1)
	453	ts = 0.0 ! could actually be computed more accurately in the
	454	! 1D model. Update when opportunity arises.
	455	us = us1d
	456	usws = usws1d
	457	vsws = vsws1d
	458	ELSE
	459	ts = 0.0 ! must be set, because used in
	460	rif = 0.0 ! flowste
	461	us = 0.0
	462	usws = 0.0
	463	vsws = 0.0
	464	ENDIF
	465
	466	ELSE
	467	e = 0.0 ! must be set, because used in
	468	rif = 0.0 ! flowste
	469	ts = 0.0
	470	us = 0.0
	471	usws = 0.0
	472	vsws = 0.0
	473	ENDIF
[102]	474	uswst = top_momentumflux_u
	475	vswst = top_momentumflux_v
[1]	476
	477	!
	478	!-- In every case qs = 0.0 (see also pt)
	479	!-- This could actually be computed more accurately in the 1D model.
	480	!-- Update when opportunity arises!
[75]	481	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	482
	483	!
	484	!-- inside buildings set velocities back to zero
	485	IF ( topography /= 'flat' ) THEN
	486	DO i = nxl-1, nxr+1
	487	DO j = nys-1, nyn+1
	488	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	489	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	490	ENDDO
	491	ENDDO
[132]	492	IF ( conserve_volume_flow ) THEN
	493	IF ( nxr == nx ) THEN
	494	DO j = nys, nyn
	495	DO k = nzb + 1, nzb_u_inner(j,nx)
[359]	496	u_nzb_p1_for_vfc(j) = u_nzb_p1_for_vfc(j) + &
	497	u1d(k) * dzu(k)
[132]	498	ENDDO
	499	ENDDO
	500	ENDIF
	501	IF ( nyn == ny ) THEN
	502	DO i = nxl, nxr
	503	DO k = nzb + 1, nzb_v_inner(ny,i)
[359]	504	v_nzb_p1_for_vfc(i) = v_nzb_p1_for_vfc(i) + &
	505	v1d(k) * dzu(k)
[132]	506	ENDDO
	507	ENDDO
	508	ENDIF
	509	ENDIF
[1]	510	!
	511	!-- WARNING: The extra boundary conditions set after running the
	512	!-- ------- 1D model impose an error on the divergence one layer
	513	!-- below the topography; need to correct later
	514	!-- ATTENTION: Provisional correction for Piacsek & Williams
	515	!-- --------- advection scheme: keep u and v zero one layer below
	516	!-- the topography.
	517	IF ( ibc_uv_b == 0 ) THEN
	518	!
	519	!-- Satisfying the Dirichlet condition with an extra layer below
	520	!-- the surface where the u and v component change their sign.
	521	DO i = nxl-1, nxr+1
	522	DO j = nys-1, nyn+1
	523	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = -u(1,j,i)
	524	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = -v(1,j,i)
	525	ENDDO
	526	ENDDO
	527
	528	ELSE
	529	!
	530	!-- Neumann condition
	531	DO i = nxl-1, nxr+1
	532	DO j = nys-1, nyn+1
	533	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	534	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	535	ENDDO
	536	ENDDO
	537
	538	ENDIF
	539
	540	ENDIF
	541
	542	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	543	THEN
	544	!
	545	!-- Use constructed initial profiles (velocity constant with height,
	546	!-- temperature profile with constant gradient)
	547	DO i = nxl-1, nxr+1
	548	DO j = nys-1, nyn+1
	549	pt(:,j,i) = pt_init
	550	u(:,j,i) = u_init
	551	v(:,j,i) = v_init
	552	ENDDO
	553	ENDDO
[75]	554
[1]	555	!
[292]	556	!-- Set initial horizontal velocities at the lowest computational grid
	557	!-- levels to zero in order to avoid too small time steps caused by the
	558	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	559	!-- in the limiting formula!). The original values are stored to be later
	560	!-- used for volume flow control.
[1]	561	DO i = nxl-1, nxr+1
	562	DO j = nys-1, nyn+1
	563	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	564	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	565	ENDDO
	566	ENDDO
[51]	567	IF ( conserve_volume_flow ) THEN
	568	IF ( nxr == nx ) THEN
	569	DO j = nys, nyn
[132]	570	DO k = nzb + 1, nzb_u_inner(j,nx) + 1
[359]	571	u_nzb_p1_for_vfc(j) = u_nzb_p1_for_vfc(j) + &
	572	u_init(k) * dzu(k)
[132]	573	ENDDO
[51]	574	ENDDO
	575	ENDIF
	576	IF ( nyn == ny ) THEN
	577	DO i = nxl, nxr
[132]	578	DO k = nzb + 1, nzb_v_inner(ny,i) + 1
[359]	579	v_nzb_p1_for_vfc(i) = v_nzb_p1_for_vfc(i) + &
	580	v_init(k) * dzu(k)
[132]	581	ENDDO
[51]	582	ENDDO
	583	ENDIF
	584	ENDIF
[1]	585
[75]	586	IF ( humidity .OR. passive_scalar ) THEN
[1]	587	DO i = nxl-1, nxr+1
	588	DO j = nys-1, nyn+1
	589	q(:,j,i) = q_init
	590	ENDDO
	591	ENDDO
	592	ENDIF
	593
[94]	594	IF ( ocean ) THEN
	595	DO i = nxl-1, nxr+1
	596	DO j = nys-1, nyn+1
	597	sa(:,j,i) = sa_init
	598	ENDDO
	599	ENDDO
	600	ENDIF
[1]	601
	602	IF ( constant_diffusion ) THEN
	603	km = km_constant
	604	kh = km / prandtl_number
[108]	605	e = 0.0
	606	ELSEIF ( e_init > 0.0 ) THEN
	607	DO k = nzb+1, nzt
	608	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	609	ENDDO
	610	km(nzb,:,:) = km(nzb+1,:,:)
	611	km(nzt+1,:,:) = km(nzt,:,:)
	612	kh = km / prandtl_number
	613	e = e_init
[1]	614	ELSE
[108]	615	IF ( .NOT. ocean ) THEN
	616	kh = 0.01 ! there must exist an initial diffusion, because
	617	km = 0.01 ! otherwise no TKE would be produced by the
	618	! production terms, as long as not yet
	619	! e = (u/cm)*2 at k=nzb+1
	620	ELSE
	621	kh = 0.00001
	622	km = 0.00001
	623	ENDIF
	624	e = 0.0
[1]	625	ENDIF
[102]	626	rif = 0.0
	627	ts = 0.0
	628	us = 0.0
	629	usws = 0.0
	630	uswst = top_momentumflux_u
	631	vsws = 0.0
	632	vswst = top_momentumflux_v
[75]	633	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	634
	635	!
	636	!-- Compute initial temperature field and other constants used in case
	637	!-- of a sloping surface
	638	IF ( sloping_surface ) CALL init_slope
	639
[46]	640	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	641	THEN
	642	!
	643	!-- Initialization will completely be done by the user
	644	CALL user_init_3d_model
	645
[1]	646	ENDIF
	647
	648	!
[151]	649	!-- Apply channel flow boundary condition
[132]	650	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	651
	652	u(nzt+1,:,:) = 0.0
	653	v(nzt+1,:,:) = 0.0
	654
[151]	655	!-- For the Dirichlet condition to be correctly applied at the top, set
[132]	656	!-- ug and vg to zero there
	657	ug(nzt+1) = 0.0
	658	vg(nzt+1) = 0.0
	659
	660	ENDIF
	661
	662	!
[1]	663	!-- Calculate virtual potential temperature
[75]	664	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	665
	666	!
	667	!-- Store initial profiles for output purposes etc.
	668	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	669	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
	670	IF ( ibc_uv_b == 0 ) THEN
	671	hom(nzb,1,5,:) = -hom(nzb+1,1,5,:) ! due to satisfying the Dirichlet
	672	hom(nzb,1,6,:) = -hom(nzb+1,1,6,:) ! condition with an extra layer
	673	! below the surface where the u and v component change their sign
	674	ENDIF
	675	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	676	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	677	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	678
[97]	679	IF ( ocean ) THEN
	680	!
	681	!-- Store initial salinity profile
	682	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	683	ENDIF
[1]	684
[75]	685	IF ( humidity ) THEN
[1]	686	!
	687	!-- Store initial profile of total water content, virtual potential
	688	!-- temperature
	689	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	690	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	691	IF ( cloud_physics .OR. cloud_droplets ) THEN
	692	!
	693	!-- Store initial profile of specific humidity and potential
	694	!-- temperature
	695	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	696	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	697	ENDIF
	698	ENDIF
	699
	700	IF ( passive_scalar ) THEN
	701	!
	702	!-- Store initial scalar profile
	703	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	704	ENDIF
	705
	706	!
[19]	707	!-- Initialize fluxes at bottom surface
[1]	708	IF ( use_surface_fluxes ) THEN
	709
	710	IF ( constant_heatflux ) THEN
	711	!
	712	!-- Heat flux is prescribed
	713	IF ( random_heatflux ) THEN
	714	CALL disturb_heatflux
	715	ELSE
	716	shf = surface_heatflux
	717	!
	718	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	719	IF ( TRIM( topography ) /= 'flat' ) THEN
	720	DO i = nxl-1, nxr+1
	721	DO j = nys-1, nyn+1
	722	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	723	shf(j,i) = wall_heatflux(0)
	724	ENDIF
	725	ENDDO
	726	ENDDO
	727	ENDIF
	728	ENDIF
	729	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
	730	ENDIF
	731
	732	!
	733	!-- Determine the near-surface water flux
[75]	734	IF ( humidity .OR. passive_scalar ) THEN
[1]	735	IF ( constant_waterflux ) THEN
	736	qsws = surface_waterflux
[407]	737	!
	738	!-- Over topography surface_waterflux is replaced by
	739	!-- wall_humidityflux(0)
	740	IF ( TRIM( topography ) /= 'flat' ) THEN
	741	wall_qflux = wall_humidityflux
	742	DO i = nxl-1, nxr+1
	743	DO j = nys-1, nyn+1
	744	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	745	qsws(j,i) = wall_qflux(0)
	746	ENDIF
	747	ENDDO
	748	ENDDO
	749	ENDIF
[1]	750	IF ( ASSOCIATED( qsws_m ) ) qsws_m = qsws
	751	ENDIF
	752	ENDIF
	753
	754	ENDIF
	755
	756	!
[19]	757	!-- Initialize fluxes at top surface
[94]	758	!-- Currently, only the heatflux and salinity flux can be prescribed.
	759	!-- The latent flux is zero in this case!
[19]	760	IF ( use_top_fluxes ) THEN
	761
	762	IF ( constant_top_heatflux ) THEN
	763	!
	764	!-- Heat flux is prescribed
	765	tswst = top_heatflux
	766	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	767
[75]	768	IF ( humidity .OR. passive_scalar ) THEN
[19]	769	qswst = 0.0
	770	IF ( ASSOCIATED( qswst_m ) ) qswst_m = qswst
	771	ENDIF
[94]	772
	773	IF ( ocean ) THEN
[95]	774	saswsb = bottom_salinityflux
[94]	775	saswst = top_salinityflux
	776	ENDIF
[102]	777	ENDIF
[19]	778
[102]	779	!
	780	!-- Initialization in case of a coupled model run
	781	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	782	tswst = 0.0
	783	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	784	ENDIF
	785
[19]	786	ENDIF
	787
	788	!
[1]	789	!-- Initialize Prandtl layer quantities
	790	IF ( prandtl_layer ) THEN
	791
	792	z0 = roughness_length
	793
	794	IF ( .NOT. constant_heatflux ) THEN
	795	!
	796	!-- Surface temperature is prescribed. Here the heat flux cannot be
	797	!-- simply estimated, because therefore rif, u* and theta* would have
	798	!-- to be computed by iteration. This is why the heat flux is assumed
	799	!-- to be zero before the first time step. It approaches its correct
	800	!-- value in the course of the first few time steps.
	801	shf = 0.0
	802	IF ( ASSOCIATED( shf_m ) ) shf_m = 0.0
	803	ENDIF
	804
[75]	805	IF ( humidity .OR. passive_scalar ) THEN
[1]	806	IF ( .NOT. constant_waterflux ) THEN
	807	qsws = 0.0
	808	IF ( ASSOCIATED( qsws_m ) ) qsws_m = 0.0
	809	ENDIF
	810	ENDIF
	811
	812	ENDIF
	813
	814	!
[152]	815	!-- Calculate the initial volume flow at the right and north boundary
	816	IF ( conserve_volume_flow ) THEN
	817
	818	volume_flow_initial_l = 0.0
	819	volume_flow_area_l = 0.0
	820
	821	IF ( nxr == nx ) THEN
	822	DO j = nys, nyn
	823	DO k = nzb_2d(j,nx) + 1, nzt
	824	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	825	u(k,j,nx) * dzu(k)
	826	volume_flow_area_l(1) = volume_flow_area_l(1) + dzu(k)
	827	ENDDO
	828	!
	829	!-- Correction if velocity at nzb+1 has been set zero further above
	830	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	831	u_nzb_p1_for_vfc(j)
	832	ENDDO
	833	ENDIF
	834
	835	IF ( nyn == ny ) THEN
	836	DO i = nxl, nxr
	837	DO k = nzb_2d(ny,i) + 1, nzt
	838	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	839	v(k,ny,i) * dzu(k)
	840	volume_flow_area_l(2) = volume_flow_area_l(2) + dzu(k)
	841	ENDDO
	842	!
	843	!-- Correction if velocity at nzb+1 has been set zero further above
	844	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	845	v_nzb_p1_for_vfc(i)
	846	ENDDO
	847	ENDIF
	848
	849	#if defined( __parallel )
	850	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	851	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	852	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	853	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	854	#else
	855	volume_flow_initial = volume_flow_initial_l
	856	volume_flow_area = volume_flow_area_l
[241]	857	#endif
	858	!
	859	!-- In case of 'bulk_velocity' mode, volume_flow_initial is overridden
	860	!-- and calculated from u\|v_bulk instead.
	861	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	862	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	863	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	864	ENDIF
	865
[152]	866	ENDIF
	867
	868	!
[1]	869	!-- For the moment, perturbation pressure and vertical velocity are zero
	870	p = 0.0; w = 0.0
	871
	872	!
	873	!-- Initialize array sums (must be defined in first call of pres)
	874	sums = 0.0
	875
	876	!
[72]	877	!-- Treating cloud physics, liquid water content and precipitation amount
	878	!-- are zero at beginning of the simulation
	879	IF ( cloud_physics ) THEN
	880	ql = 0.0
	881	IF ( precipitation ) precipitation_amount = 0.0
	882	ENDIF
[1]	883
	884	!
	885	!-- Impose vortex with vertical axis on the initial velocity profile
	886	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	887	CALL init_rankine
	888	ENDIF
	889
	890	!
	891	!-- Impose temperature anomaly (advection test only)
	892	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	893	CALL init_pt_anomaly
	894	ENDIF
	895
	896	!
	897	!-- If required, change the surface temperature at the start of the 3D run
	898	IF ( pt_surface_initial_change /= 0.0 ) THEN
	899	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	900	ENDIF
	901
	902	!
	903	!-- If required, change the surface humidity/scalar at the start of the 3D
	904	!-- run
[75]	905	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	906	q_surface_initial_change /= 0.0 ) THEN
	907	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	908	ENDIF
	909
	910	!
	911	!-- Initialize the random number generator (from numerical recipes)
	912	CALL random_function_ini
	913
	914	!
	915	!-- Impose random perturbation on the horizontal velocity field and then
	916	!-- remove the divergences from the velocity field
	917	IF ( create_disturbances ) THEN
[75]	918	CALL disturb_field( nzb_u_inner, tend, u )
	919	CALL disturb_field( nzb_v_inner, tend, v )
[1]	920	n_sor = nsor_ini
	921	CALL pres
	922	n_sor = nsor
	923	ENDIF
	924
	925	!
	926	!-- Once again set the perturbation pressure explicitly to zero in order to
	927	!-- assure that it does not generate any divergences in the first time step.
	928	!-- At t=0 the velocity field is free of divergence (as constructed above).
	929	!-- Divergences being created during a time step are not yet known and thus
	930	!-- cannot be corrected during the time step yet.
	931	p = 0.0
	932
	933	!
	934	!-- Initialize old and new time levels.
	935	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	936	e_m = e; pt_m = pt; u_m = u; v_m = v; w_m = w; kh_m = kh; km_m = km
	937	ELSE
	938	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	939	ENDIF
	940	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	941
[75]	942	IF ( humidity .OR. passive_scalar ) THEN
[1]	943	IF ( ASSOCIATED( q_m ) ) q_m = q
	944	IF ( timestep_scheme(1:5) == 'runge' ) tq_m = 0.0
	945	q_p = q
[75]	946	IF ( humidity .AND. ASSOCIATED( vpt_m ) ) vpt_m = vpt
[1]	947	ENDIF
	948
[94]	949	IF ( ocean ) THEN
	950	tsa_m = 0.0
	951	sa_p = sa
	952	ENDIF
	953
[73]	954
[147]	955	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[328]	956	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	957	THEN
	958	!
[328]	959	!-- When reading data for cyclic fill of 3D prerun data, first read
[147]	960	!-- some of the global variables from restart file
[328]	961	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[151]	962
[147]	963	WRITE (9,*) 'before read_parts_of_var_list'
	964	CALL local_flush( 9 )
	965	CALL read_parts_of_var_list
	966	WRITE (9,*) 'after read_parts_of_var_list'
	967	CALL local_flush( 9 )
	968	CALL close_file( 13 )
[328]	969
[151]	970	!
[328]	971	!-- Initialization of the turbulence recycling method
	972	IF ( turbulent_inflow ) THEN
	973	!
	974	!-- Store temporally and horizontally averaged vertical profiles to be
	975	!-- used as mean inflow profiles
	976	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	977
[328]	978	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	979	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
	980	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	981	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	982
	983	!
[328]	984	!-- Use these mean profiles for the inflow (provided that Dirichlet
	985	!-- conditions are used)
	986	IF ( inflow_l ) THEN
	987	DO j = nys-1, nyn+1
	988	DO k = nzb, nzt+1
	989	u(k,j,-1) = mean_inflow_profiles(k,1)
	990	v(k,j,-1) = mean_inflow_profiles(k,2)
	991	w(k,j,-1) = 0.0
	992	pt(k,j,-1) = mean_inflow_profiles(k,4)
	993	e(k,j,-1) = mean_inflow_profiles(k,5)
	994	ENDDO
[151]	995	ENDDO
[328]	996	ENDIF
[151]	997
	998	!
[328]	999	!-- Calculate the damping factors to be used at the inflow. For a
	1000	!-- turbulent inflow the turbulent fluctuations have to be limited
	1001	!-- vertically because otherwise the turbulent inflow layer will grow
	1002	!-- in time.
	1003	IF ( inflow_damping_height == 9999999.9 ) THEN
[151]	1004	!
[328]	1005	!-- Default: use the inversion height calculated by the prerun; if
	1006	!-- this is zero, inflow_damping_height must be explicitly
	1007	!-- specified.
	1008	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	1009	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1010	ELSE
	1011	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1012	'explicitly specified because&the inversion height ', &
	1013	'calculated by the prerun is zero.'
	1014	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
	1015	ENDIF
	1016
[292]	1017	ENDIF
[151]	1018
[328]	1019	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	1020	!
[328]	1021	!-- Default for the transition range: one tenth of the undamped
	1022	!-- layer
	1023	inflow_damping_width = 0.1 * inflow_damping_height
[151]	1024
[328]	1025	ENDIF
[151]	1026
[328]	1027	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1028
[328]	1029	DO k = nzb, nzt+1
[151]	1030
[328]	1031	IF ( zu(k) <= inflow_damping_height ) THEN
	1032	inflow_damping_factor(k) = 1.0
	1033	ELSEIF ( zu(k) <= inflow_damping_height + &
	1034	inflow_damping_width ) THEN
	1035	inflow_damping_factor(k) = 1.0 - &
[151]	1036	( zu(k) - inflow_damping_height ) / &
	1037	inflow_damping_width
[328]	1038	ELSE
	1039	inflow_damping_factor(k) = 0.0
	1040	ENDIF
[151]	1041
[328]	1042	ENDDO
	1043	ENDIF
[151]	1044
[147]	1045	ENDIF
	1046
[152]	1047	!
[163]	1048	!-- Read binary data from restart file
	1049	WRITE (9,*) 'before read_3d_binary'
	1050	CALL local_flush( 9 )
	1051	CALL read_3d_binary
	1052	WRITE (9,*) 'after read_3d_binary'
	1053	CALL local_flush( 9 )
	1054
	1055	!
[359]	1056	!-- Inside buildings set velocities and TKE back to zero
	1057	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1058	topography /= 'flat' ) THEN
	1059	!
	1060	!-- Correction of initial volume flow
	1061	IF ( conserve_volume_flow ) THEN
	1062	IF ( nxr == nx ) THEN
	1063	DO j = nys, nyn
	1064	DO k = nzb + 1, nzb_u_inner(j,nx)
	1065	u_nzb_p1_for_vfc(j) = u_nzb_p1_for_vfc(j) + &
	1066	u(k,j,nx) * dzu(k)
	1067	ENDDO
	1068	ENDDO
	1069	ENDIF
	1070	IF ( nyn == ny ) THEN
	1071	DO i = nxl, nxr
	1072	DO k = nzb + 1, nzb_v_inner(ny,i)
	1073	v_nzb_p1_for_vfc(i) = v_nzb_p1_for_vfc(i) + &
	1074	v(k,ny,i) * dzu(k)
	1075	ENDDO
	1076	ENDDO
	1077	ENDIF
	1078	ENDIF
	1079
	1080	!
	1081	!-- Inside buildings set velocities and TKE back to zero.
	1082	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1083	!-- maybe revise later.
	1084	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1085	DO i = nxl-1, nxr+1
	1086	DO j = nys-1, nyn+1
	1087	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1088	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1089	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1090	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1091	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1092	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1093	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1094	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1095	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1096	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1097	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1098	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1099	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1100	ENDDO
	1101	ENDDO
	1102	ELSE
	1103	DO i = nxl-1, nxr+1
	1104	DO j = nys-1, nyn+1
	1105	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1106	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1107	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1108	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1109	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1110	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1111	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1112	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1113	u_p(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1114	v_p(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1115	w_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1116	e_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1117	ENDDO
	1118	ENDDO
	1119	ENDIF
	1120
	1121	ENDIF
	1122
	1123	!
[152]	1124	!-- Calculate the initial volume flow at the right and north boundary
[163]	1125	IF ( conserve_volume_flow .AND. &
[328]	1126	TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[151]	1127
[152]	1128	volume_flow_initial_l = 0.0
	1129	volume_flow_area_l = 0.0
	1130
	1131	IF ( nxr == nx ) THEN
	1132	DO j = nys, nyn
	1133	DO k = nzb_2d(j,nx) + 1, nzt
	1134	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1135	u(k,j,nx) * dzu(k)
	1136	volume_flow_area_l(1) = volume_flow_area_l(1) + dzu(k)
	1137	ENDDO
[147]	1138	!
[359]	1139	!-- Correction if velocity inside buildings has been set to zero
	1140	!-- further above
[152]	1141	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1142	u_nzb_p1_for_vfc(j)
	1143	ENDDO
	1144	ENDIF
	1145
	1146	IF ( nyn == ny ) THEN
	1147	DO i = nxl, nxr
	1148	DO k = nzb_2d(ny,i) + 1, nzt
	1149	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1150	v(k,ny,i) * dzu(k)
	1151	volume_flow_area_l(2) = volume_flow_area_l(2) + dzu(k)
	1152	ENDDO
	1153	!
[359]	1154	!-- Correction if velocity inside buildings has been set to zero
	1155	!-- further above
[152]	1156	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1157	v_nzb_p1_for_vfc(i)
	1158	ENDDO
	1159	ENDIF
	1160
	1161	#if defined( __parallel )
	1162	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1163	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1164	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1165	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1166	#else
	1167	volume_flow_initial = volume_flow_initial_l
	1168	volume_flow_area = volume_flow_area_l
	1169	#endif
	1170	ENDIF
	1171
	1172
	1173	!
[1]	1174	!-- Calculate initial temperature field and other constants used in case
	1175	!-- of a sloping surface
	1176	IF ( sloping_surface ) CALL init_slope
	1177
	1178	!
	1179	!-- Initialize new time levels (only done in order to set boundary values
	1180	!-- including ghost points)
	1181	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[75]	1182	IF ( humidity .OR. passive_scalar ) q_p = q
[94]	1183	IF ( ocean ) sa_p = sa
[1]	1184
[181]	1185	!
	1186	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1187	!-- have to be predefined here because they are used (but multiplied with 0)
	1188	!-- there before they are set.
	1189	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1190	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	1191	IF ( humidity .OR. passive_scalar ) tq_m = 0.0
	1192	IF ( ocean ) tsa_m = 0.0
	1193	ENDIF
	1194
[1]	1195	ELSE
	1196	!
	1197	!-- Actually this part of the programm should not be reached
[254]	1198	message_string = 'unknown initializing problem'
	1199	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1200	ENDIF
	1201
[151]	1202
	1203	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1204	!
[151]	1205	!-- Initialize old timelevels needed for radiation boundary conditions
	1206	IF ( outflow_l ) THEN
	1207	u_m_l(:,:,:) = u(:,:,1:2)
	1208	v_m_l(:,:,:) = v(:,:,0:1)
	1209	w_m_l(:,:,:) = w(:,:,0:1)
	1210	ENDIF
	1211	IF ( outflow_r ) THEN
	1212	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1213	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1214	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1215	ENDIF
	1216	IF ( outflow_s ) THEN
	1217	u_m_s(:,:,:) = u(:,0:1,:)
	1218	v_m_s(:,:,:) = v(:,1:2,:)
	1219	w_m_s(:,:,:) = w(:,0:1,:)
	1220	ENDIF
	1221	IF ( outflow_n ) THEN
	1222	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1223	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1224	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1225	ENDIF
	1226
	1227	ENDIF
	1228
	1229	!
[138]	1230	!-- Initialization of the leaf area density
	1231	IF ( plant_canopy ) THEN
	1232
	1233	SELECT CASE ( TRIM( canopy_mode ) )
	1234
	1235	CASE( 'block' )
	1236
	1237	DO i = nxl-1, nxr+1
	1238	DO j = nys-1, nyn+1
	1239	lad_s(:,j,i) = lad(:)
	1240	cdc(:,j,i) = drag_coefficient
[153]	1241	IF ( passive_scalar ) THEN
	1242	sls(:,j,i) = leaf_surface_concentration
	1243	sec(:,j,i) = scalar_exchange_coefficient
	1244	ENDIF
[138]	1245	ENDDO
	1246	ENDDO
	1247
	1248	CASE DEFAULT
	1249
	1250	!
	1251	!-- The DEFAULT case is reached either if the parameter
	1252	!-- canopy mode contains a wrong character string or if the
	1253	!-- user has coded a special case in the user interface.
	1254	!-- There, the subroutine user_init_plant_canopy checks
	1255	!-- which of these two conditions applies.
	1256	CALL user_init_plant_canopy
	1257
	1258	END SELECT
	1259
	1260	CALL exchange_horiz( lad_s )
	1261	CALL exchange_horiz( cdc )
	1262
[153]	1263	IF ( passive_scalar ) THEN
	1264	CALL exchange_horiz( sls )
	1265	CALL exchange_horiz( sec )
	1266	ENDIF
	1267
	1268	!
	1269	!-- Sharp boundaries of the plant canopy in horizontal directions
	1270	!-- In vertical direction the interpolation is retained, as the leaf
	1271	!-- area density is initialised by prescribing a vertical profile
	1272	!-- consisting of piecewise linear segments. The upper boundary
	1273	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1274
[138]	1275	DO i = nxl, nxr
	1276	DO j = nys, nyn
	1277	DO k = nzb, nzt+1
[153]	1278	IF ( lad_s(k,j,i) > 0.0 ) THEN
	1279	lad_u(k,j,i) = lad_s(k,j,i)
	1280	lad_u(k,j,i+1) = lad_s(k,j,i)
	1281	lad_v(k,j,i) = lad_s(k,j,i)
	1282	lad_v(k,j+1,i) = lad_s(k,j,i)
	1283	ENDIF
[138]	1284	ENDDO
	1285	DO k = nzb, nzt
	1286	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1287	ENDDO
	1288	ENDDO
	1289	ENDDO
	1290
[153]	1291	lad_w(pch_index,:,:) = 0.0
	1292	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1293
	1294	CALL exchange_horiz( lad_u )
	1295	CALL exchange_horiz( lad_v )
	1296	CALL exchange_horiz( lad_w )
[153]	1297
	1298	!
	1299	!-- Initialisation of the canopy heat source distribution
	1300	IF ( cthf /= 0.0 ) THEN
	1301	!
	1302	!-- Piecewise evaluation of the leaf area index by
	1303	!-- integration of the leaf area density
	1304	lai(:,:,:) = 0.0
	1305	DO i = nxl-1, nxr+1
	1306	DO j = nys-1, nyn+1
	1307	DO k = pch_index-1, 0, -1
	1308	lai(k,j,i) = lai(k+1,j,i) + &
	1309	( 0.5 * ( lad_w(k+1,j,i) + &
	1310	lad_s(k+1,j,i) ) * &
	1311	( zw(k+1) - zu(k+1) ) ) + &
	1312	( 0.5 * ( lad_w(k,j,i) + &
	1313	lad_s(k+1,j,i) ) * &
	1314	( zu(k+1) - zw(k) ) )
	1315	ENDDO
	1316	ENDDO
	1317	ENDDO
	1318
	1319	!
	1320	!-- Evaluation of the upward kinematic vertical heat flux within the
	1321	!-- canopy
	1322	DO i = nxl-1, nxr+1
	1323	DO j = nys-1, nyn+1
	1324	DO k = 0, pch_index
	1325	canopy_heat_flux(k,j,i) = cthf * &
	1326	exp( -0.6 * lai(k,j,i) )
	1327	ENDDO
	1328	ENDDO
	1329	ENDDO
	1330
	1331	!
	1332	!-- The near surface heat flux is derived from the heat flux
	1333	!-- distribution within the canopy
	1334	shf(:,:) = canopy_heat_flux(0,:,:)
	1335
	1336	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
	1337
	1338	ENDIF
	1339
[138]	1340	ENDIF
	1341
	1342	!
[1]	1343	!-- If required, initialize dvrp-software
	1344	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1345
[96]	1346	IF ( ocean ) THEN
[1]	1347	!
[96]	1348	!-- Initialize quantities needed for the ocean model
	1349	CALL init_ocean
[388]	1350
[96]	1351	ELSE
	1352	!
	1353	!-- Initialize quantities for handling cloud physics
	1354	!-- This routine must be called before init_particles, because
	1355	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
	1356	!-- init_particles) is not defined.
	1357	CALL init_cloud_physics
	1358	ENDIF
[1]	1359
	1360	!
	1361	!-- If required, initialize particles
[63]	1362	IF ( particle_advection ) CALL init_particles
[1]	1363
	1364	!
	1365	!-- Initialize quantities for special advections schemes
	1366	CALL init_advec
	1367
	1368	!
	1369	!-- Initialize Rayleigh damping factors
	1370	rdf = 0.0
	1371	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1372	IF ( .NOT. ocean ) THEN
	1373	DO k = nzb+1, nzt
	1374	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1375	rdf(k) = rayleigh_damping_factor * &
[1]	1376	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1377	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1378	)**2
[108]	1379	ENDIF
	1380	ENDDO
	1381	ELSE
	1382	DO k = nzt, nzb+1, -1
	1383	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1384	rdf(k) = rayleigh_damping_factor * &
	1385	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1386	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1387	)**2
	1388	ENDIF
	1389	ENDDO
	1390	ENDIF
[1]	1391	ENDIF
	1392
	1393	!
[240]	1394	!-- Initialize the starting level and the vertical smoothing factor used for
	1395	!-- the external pressure gradient
	1396	dp_smooth_factor = 1.0
	1397	IF ( dp_external ) THEN
	1398	!
	1399	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1400	!-- (e.g. in init_grid).
	1401	IF ( dp_level_ind_b == 0 ) THEN
	1402	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1403	dp_level_ind_b = ind_array(1) - 1 + nzb
	1404	! MINLOC uses lower array bound 1
	1405	ENDIF
	1406	IF ( dp_smooth ) THEN
	1407	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1408	DO k = dp_level_ind_b+1, nzt
	1409	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1410	( REAL( k - dp_level_ind_b ) / &
	1411	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1412	ENDDO
	1413	ENDIF
	1414	ENDIF
	1415
	1416	!
[1]	1417	!-- Initialize diffusivities used within the outflow damping layer in case of
	1418	!-- non-cyclic lateral boundaries. A linear increase is assumed over the first
	1419	!-- half of the width of the damping layer
[73]	1420	IF ( bc_lr == 'dirichlet/radiation' ) THEN
[1]	1421
	1422	DO i = nxl-1, nxr+1
[73]	1423	IF ( i >= nx - outflow_damping_width ) THEN
	1424	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1425	( i - ( nx - outflow_damping_width ) ) / &
	1426	REAL( outflow_damping_width/2 ) &
	1427	)
	1428	ELSE
	1429	km_damp_x(i) = 0.0
	1430	ENDIF
	1431	ENDDO
[1]	1432
[73]	1433	ELSEIF ( bc_lr == 'radiation/dirichlet' ) THEN
[1]	1434
[73]	1435	DO i = nxl-1, nxr+1
	1436	IF ( i <= outflow_damping_width ) THEN
	1437	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1438	( outflow_damping_width - i ) / &
	1439	REAL( outflow_damping_width/2 ) &
	1440	)
	1441	ELSE
	1442	km_damp_x(i) = 0.0
	1443	ENDIF
	1444	ENDDO
[1]	1445
[73]	1446	ENDIF
[1]	1447
[73]	1448	IF ( bc_ns == 'dirichlet/radiation' ) THEN
[1]	1449
[73]	1450	DO j = nys-1, nyn+1
	1451	IF ( j >= ny - outflow_damping_width ) THEN
	1452	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1453	( j - ( ny - outflow_damping_width ) ) / &
	1454	REAL( outflow_damping_width/2 ) &
	1455	)
	1456	ELSE
	1457	km_damp_y(j) = 0.0
[1]	1458	ENDIF
	1459	ENDDO
	1460
[73]	1461	ELSEIF ( bc_ns == 'radiation/dirichlet' ) THEN
[1]	1462
	1463	DO j = nys-1, nyn+1
[73]	1464	IF ( j <= outflow_damping_width ) THEN
	1465	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1466	( outflow_damping_width - j ) / &
	1467	REAL( outflow_damping_width/2 ) &
	1468	)
	1469	ELSE
	1470	km_damp_y(j) = 0.0
[1]	1471	ENDIF
[73]	1472	ENDDO
[1]	1473
	1474	ENDIF
	1475
	1476	!
	1477	!-- Initialize local summation arrays for UP flow_statistics. This is necessary
	1478	!-- because they may not yet have been initialized when they are called from
	1479	!-- flow_statistics (or - depending on the chosen model run - are never
	1480	!-- initialized)
	1481	sums_divnew_l = 0.0
	1482	sums_divold_l = 0.0
	1483	sums_l_l = 0.0
	1484	sums_up_fraction_l = 0.0
	1485	sums_wsts_bc_l = 0.0
	1486
	1487	!
	1488	!-- Pre-set masks for regional statistics. Default is the total model domain.
	1489	rmask = 1.0
	1490
	1491	!
[51]	1492	!-- User-defined initializing actions. Check afterwards, if maximum number
	1493	!-- of allowed timeseries is not exceeded
[1]	1494	CALL user_init
	1495
[51]	1496	IF ( dots_num > dots_max ) THEN
[254]	1497	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1498	' its maximum of dots_max = ', dots_max, &
[254]	1499	' &Please increase dots_max in modules.f90.'
	1500	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1501	ENDIF
	1502
[1]	1503	!
	1504	!-- Input binary data file is not needed anymore. This line must be placed
	1505	!-- after call of user_init!
	1506	CALL close_file( 13 )
	1507
	1508	!
	1509	!-- Compute total sum of active mask grid points
	1510	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1511	!-- total domain
	1512	!-- ngp_3d: number of grid points of the total domain
[132]	1513	ngp_2dh_outer_l = 0
	1514	ngp_2dh_outer = 0
	1515	ngp_2dh_s_inner_l = 0
	1516	ngp_2dh_s_inner = 0
	1517	ngp_2dh_l = 0
	1518	ngp_2dh = 0
	1519	ngp_3d_inner_l = 0
	1520	ngp_3d_inner = 0
	1521	ngp_3d = 0
	1522	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1523
	1524	DO sr = 0, statistic_regions
	1525	DO i = nxl, nxr
	1526	DO j = nys, nyn
	1527	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1528	!
	1529	!-- All xy-grid points
	1530	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1531	!
	1532	!-- xy-grid points above topography
	1533	DO k = nzb_s_outer(j,i), nz + 1
	1534	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1535	ENDDO
[132]	1536	DO k = nzb_s_inner(j,i), nz + 1
	1537	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1538	ENDDO
[1]	1539	!
	1540	!-- All grid points of the total domain above topography
	1541	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1542	( nz - nzb_s_inner(j,i) + 2 )
	1543	ENDIF
	1544	ENDDO
	1545	ENDDO
	1546	ENDDO
	1547
	1548	sr = statistic_regions + 1
	1549	#if defined( __parallel )
	1550	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
	1551	comm2d, ierr )
	1552	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
	1553	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[132]	1554	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
	1555	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[1]	1556	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner(0), sr, MPI_INTEGER, &
	1557	MPI_SUM, comm2d, ierr )
	1558	#else
[132]	1559	ngp_2dh = ngp_2dh_l
	1560	ngp_2dh_outer = ngp_2dh_outer_l
	1561	ngp_2dh_s_inner = ngp_2dh_s_inner_l
	1562	ngp_3d_inner = ngp_3d_inner_l
[1]	1563	#endif
	1564
	1565	ngp_3d = ngp_2dh * ( nz + 2 )
	1566
	1567	!
	1568	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1569	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1570	!-- the respective subdomain lie below the surface topography
[333]	1571	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
	1572	ngp_3d_inner = MAX( 1, ngp_3d_inner(:) )
	1573	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1574
	1575	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l )
	1576
	1577
	1578	END SUBROUTINE init_3d_model

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