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source: palm/trunk/SOURCE/init_3d_model.f90 @ 366

Last change on this file since 366 was 359, checked in by letzel, 15 years ago
Bugfix for extended NetCDF files: In order to avoid 'data mode' errors if updated attributes are larger than their original size, NF90_PUT_ATT is called in 'define mode' enclosed by NF90_REDEF and NF90_ENDDEF calls. This implies a possible performance loss; an alternative strategy would be to ensure equal attribute size in a job chain. (netcdf) Changed: For extended NetCDF files, the updated title attribute includes an update of time_average_text where appropriate. (netcdf) Bugfix: correction of initial volume flow for non-flat topography (init_3d_model) Bugfix: zero initialization of arrays within buildings for 'cyclic_fill' (init_3d_model) New: MPI debug option (mrun) Documentation updates: topography file format (chapter 3.5.4) NC identifier range expanded to 444 (appendix_a)
Property svn:keywords set to `Id`
File size: 54.9 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	! -----------------
[359]	9	! bugfix: correction of initial volume flow for non-flat topography
	10	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	11	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	12	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	13	! independent of turbulent_inflow
[254]	14	! Output of messages replaced by message handling routine.
[240]	15	! Set the starting level and the vertical smoothing factor used for
	16	! the external pressure gradient
[254]	17	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	18	! and 'bulk_velocity'
[292]	19	! If the inversion height calculated by the prerun is zero,
	20	! inflow_damping_height must be explicitly specified.
[139]	21	!
	22	! Former revisions:
	23	! -----------------
	24	! $Id: init_3d_model.f90 359 2009-08-19 16:56:44Z raasch $
	25	!
[198]	26	! 181 2008-07-30 07:07:47Z raasch
	27	! bugfix: zero assignments to tendency arrays in case of restarts,
	28	! further extensions and modifications in the initialisation of the plant
	29	! canopy model,
	30	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	31	! after allocating theses arrays,
	32	! read data for recycling added as new initialization option,
	33	! dummy allocation for diss
	34	!
[139]	35	! 138 2007-11-28 10:03:58Z letzel
[132]	36	! New counter ngp_2dh_s_inner.
	37	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	38	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	39	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	40	!
[110]	41	! 108 2007-08-24 15:10:38Z letzel
	42	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	43	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	44	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	45	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	46	! TKE e_init
	47	!
[98]	48	! 97 2007-06-21 08:23:15Z raasch
	49	! Initialization of salinity, call of init_ocean
	50	!
[90]	51	! 87 2007-05-22 15:46:47Z raasch
	52	! var_hom and var_sum renamed pr_palm
	53	!
[77]	54	! 75 2007-03-22 09:54:05Z raasch
[73]	55	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	56	! bugfix for cases with the outflow damping layer extending over more than one
[75]	57	! subdomain, moisture renamed humidity,
	58	! new initializing action "by_user" calls user_init_3d_model,
[72]	59	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	60	! initial velocities at nzb+1 are regarded for volume
	61	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	62	! -uvmean_outflow, uxrp, vynp eliminated
[1]	63	!
[39]	64	! 19 2007-02-23 04:53:48Z raasch
	65	! +handling of top fluxes
	66	!
[3]	67	! RCS Log replace by Id keyword, revision history cleaned up
	68	!
[1]	69	! Revision 1.49 2006/08/22 15:59:07 raasch
	70	! No optimization of this file on the ibmy (Yonsei Univ.)
	71	!
	72	! Revision 1.1 1998/03/09 16:22:22 raasch
	73	! Initial revision
	74	!
	75	!
	76	! Description:
	77	! ------------
	78	! Allocation of arrays and initialization of the 3D model via
	79	! a) pre-run the 1D model
	80	! or
	81	! b) pre-set constant linear profiles
	82	! or
	83	! c) read values of a previous run
	84	!------------------------------------------------------------------------------!
	85
	86	USE arrays_3d
	87	USE averaging
[72]	88	USE cloud_parameters
[1]	89	USE constants
	90	USE control_parameters
	91	USE cpulog
	92	USE indices
	93	USE interfaces
	94	USE model_1d
[51]	95	USE netcdf_control
[1]	96	USE particle_attributes
	97	USE pegrid
	98	USE profil_parameter
	99	USE random_function_mod
	100	USE statistics
	101
	102	IMPLICIT NONE
	103
[240]	104	INTEGER :: i, ind_array(1), j, k, sr
[1]	105
	106	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l, ngp_3d_inner_l
	107
[132]	108	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
	109	ngp_2dh_s_inner_l
[1]	110
[153]	111	REAL :: a, b
	112
[1]	113	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	114
	115
	116	!
	117	!-- Allocate arrays
	118	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	119	ngp_3d(0:statistic_regions), &
	120	ngp_3d_inner(0:statistic_regions), &
	121	ngp_3d_inner_l(0:statistic_regions), &
	122	sums_divnew_l(0:statistic_regions), &
	123	sums_divold_l(0:statistic_regions) )
[240]	124	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt) )
[143]	125	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	126	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	127	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	128	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[1]	129	rmask(nys-1:nyn+1,nxl-1:nxr+1,0:statistic_regions), &
[87]	130	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	131	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	132	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	133	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	134	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
	135	ts_value(var_ts,0:statistic_regions) )
[1]	136	ALLOCATE( km_damp_x(nxl-1:nxr+1), km_damp_y(nys-1:nyn+1) )
	137
[19]	138	ALLOCATE( rif_1(nys-1:nyn+1,nxl-1:nxr+1), shf_1(nys-1:nyn+1,nxl-1:nxr+1), &
	139	ts(nys-1:nyn+1,nxl-1:nxr+1), tswst_1(nys-1:nyn+1,nxl-1:nxr+1), &
	140	us(nys-1:nyn+1,nxl-1:nxr+1), usws_1(nys-1:nyn+1,nxl-1:nxr+1), &
[102]	141	uswst_1(nys-1:nyn+1,nxl-1:nxr+1), &
	142	vsws_1(nys-1:nyn+1,nxl-1:nxr+1), &
	143	vswst_1(nys-1:nyn+1,nxl-1:nxr+1), z0(nys-1:nyn+1,nxl-1:nxr+1) )
[1]	144
	145	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	146	!
	147	!-- Leapfrog scheme needs two timelevels of diffusion quantities
[19]	148	ALLOCATE( rif_2(nys-1:nyn+1,nxl-1:nxr+1), &
	149	shf_2(nys-1:nyn+1,nxl-1:nxr+1), &
	150	tswst_2(nys-1:nyn+1,nxl-1:nxr+1), &
	151	usws_2(nys-1:nyn+1,nxl-1:nxr+1), &
[102]	152	uswst_2(nys-1:nyn+1,nxl-1:nxr+1), &
	153	vswst_2(nys-1:nyn+1,nxl-1:nxr+1), &
[1]	154	vsws_2(nys-1:nyn+1,nxl-1:nxr+1) )
	155	ENDIF
	156
[75]	157	ALLOCATE( d(nzb+1:nzta,nys:nyna,nxl:nxra), &
	158	e_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	159	e_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	160	e_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	161	kh_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	162	km_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	163	p(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	164	pt_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	165	pt_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	166	pt_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	167	tend(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	168	u_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	169	u_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	170	u_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	171	v_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	172	v_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	173	v_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	174	w_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	175	w_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
[1]	176	w_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	177
	178	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	179	ALLOCATE( kh_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	180	km_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	181	ENDIF
	182
[75]	183	IF ( humidity .OR. passive_scalar ) THEN
[1]	184	!
[75]	185	!-- 2D-humidity/scalar arrays
[1]	186	ALLOCATE ( qs(nys-1:nyn+1,nxl-1:nxr+1), &
[19]	187	qsws_1(nys-1:nyn+1,nxl-1:nxr+1), &
	188	qswst_1(nys-1:nyn+1,nxl-1:nxr+1) )
[1]	189
	190	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[19]	191	ALLOCATE( qsws_2(nys-1:nyn+1,nxl-1:nxr+1), &
	192	qswst_2(nys-1:nyn+1,nxl-1:nxr+1) )
[1]	193	ENDIF
	194	!
[75]	195	!-- 3D-humidity/scalar arrays
[1]	196	ALLOCATE( q_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	197	q_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	198	q_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	199
	200	!
[75]	201	!-- 3D-arrays needed for humidity only
	202	IF ( humidity ) THEN
[1]	203	ALLOCATE( vpt_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	204
	205	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	206	ALLOCATE( vpt_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	207	ENDIF
	208
	209	IF ( cloud_physics ) THEN
	210	!
	211	!-- Liquid water content
	212	ALLOCATE ( ql_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[72]	213	!
	214	!-- Precipitation amount and rate (only needed if output is switched)
	215	ALLOCATE( precipitation_amount(nys-1:nyn+1,nxl-1:nxr+1), &
	216	precipitation_rate(nys-1:nyn+1,nxl-1:nxr+1) )
[1]	217	ENDIF
	218
	219	IF ( cloud_droplets ) THEN
	220	!
	221	!-- Liquid water content, change in liquid water content,
	222	!-- real volume of particles (with weighting), volume of particles
	223	ALLOCATE ( ql_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	224	ql_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	225	ql_v(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	226	ql_vp(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	227	ENDIF
	228
	229	ENDIF
	230
	231	ENDIF
	232
[94]	233	IF ( ocean ) THEN
[95]	234	ALLOCATE( saswsb_1(nys-1:nyn+1,nxl-1:nxr+1), &
	235	saswst_1(nys-1:nyn+1,nxl-1:nxr+1) )
[96]	236	ALLOCATE( rho_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	237	sa_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	238	sa_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
[94]	239	sa_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[96]	240	rho => rho_1 ! routine calc_mean_profile requires density to be a
	241	! pointer
[108]	242	IF ( humidity_remote ) THEN
	243	ALLOCATE( qswst_remote(nys-1:nyn+1,nxl-1:nxr+1) )
	244	qswst_remote = 0.0
	245	ENDIF
[94]	246	ENDIF
	247
[1]	248	!
	249	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	250	!-- particle velocities
	251	IF ( use_sgs_for_particles ) THEN
	252	ALLOCATE ( diss(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[181]	253	ELSE
	254	ALLOCATE ( diss(2,2,2) ) ! required because diss is used as a
	255	! formal parameter
[1]	256	ENDIF
	257
	258	IF ( dt_dosp /= 9999999.9 ) THEN
	259	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	260	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	261	spectrum_x = 0.0
	262	spectrum_y = 0.0
[1]	263	ENDIF
	264
	265	!
[138]	266	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	267	IF ( plant_canopy ) THEN
	268	ALLOCATE ( lad_s(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	269	lad_u(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	270	lad_v(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	271	lad_w(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	272	cdc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[153]	273
	274	IF ( passive_scalar ) THEN
	275	ALLOCATE ( sls(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	276	sec(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	277	ENDIF
	278
	279	IF ( cthf /= 0.0 ) THEN
	280	ALLOCATE ( lai(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), &
	281	canopy_heat_flux(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	282	ENDIF
	283
[138]	284	ENDIF
	285
	286	!
[51]	287	!-- 4D-array for storing the Rif-values at vertical walls
	288	IF ( topography /= 'flat' ) THEN
	289	ALLOCATE( rif_wall(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1,1:4) )
	290	rif_wall = 0.0
	291	ENDIF
	292
	293	!
	294	!-- Velocities at nzb+1 needed for volume flow control
	295	IF ( conserve_volume_flow ) THEN
	296	ALLOCATE( u_nzb_p1_for_vfc(nys:nyn), v_nzb_p1_for_vfc(nxl:nxr) )
	297	u_nzb_p1_for_vfc = 0.0
	298	v_nzb_p1_for_vfc = 0.0
	299	ENDIF
	300
	301	!
[106]	302	!-- Arrays to store velocity data from t-dt and the phase speeds which
	303	!-- are needed for radiation boundary conditions
[73]	304	IF ( outflow_l ) THEN
[106]	305	ALLOCATE( u_m_l(nzb:nzt+1,nys-1:nyn+1,1:2), &
	306	v_m_l(nzb:nzt+1,nys-1:nyn+1,0:1), &
	307	w_m_l(nzb:nzt+1,nys-1:nyn+1,0:1) )
[73]	308	ENDIF
	309	IF ( outflow_r ) THEN
[106]	310	ALLOCATE( u_m_r(nzb:nzt+1,nys-1:nyn+1,nx-1:nx), &
	311	v_m_r(nzb:nzt+1,nys-1:nyn+1,nx-1:nx), &
	312	w_m_r(nzb:nzt+1,nys-1:nyn+1,nx-1:nx) )
[73]	313	ENDIF
[106]	314	IF ( outflow_l .OR. outflow_r ) THEN
	315	ALLOCATE( c_u(nzb:nzt+1,nys-1:nyn+1), c_v(nzb:nzt+1,nys-1:nyn+1), &
	316	c_w(nzb:nzt+1,nys-1:nyn+1) )
	317	ENDIF
[73]	318	IF ( outflow_s ) THEN
[106]	319	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxl-1:nxr+1), &
	320	v_m_s(nzb:nzt+1,1:2,nxl-1:nxr+1), &
	321	w_m_s(nzb:nzt+1,0:1,nxl-1:nxr+1) )
[73]	322	ENDIF
	323	IF ( outflow_n ) THEN
[106]	324	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxl-1:nxr+1), &
	325	v_m_n(nzb:nzt+1,ny-1:ny,nxl-1:nxr+1), &
	326	w_m_n(nzb:nzt+1,ny-1:ny,nxl-1:nxr+1) )
[73]	327	ENDIF
[106]	328	IF ( outflow_s .OR. outflow_n ) THEN
	329	ALLOCATE( c_u(nzb:nzt+1,nxl-1:nxr+1), c_v(nzb:nzt+1,nxl-1:nxr+1), &
	330	c_w(nzb:nzt+1,nxl-1:nxr+1) )
	331	ENDIF
[73]	332
	333	!
[1]	334	!-- Initial assignment of the pointers
	335	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	336
[19]	337	rif_m => rif_1; rif => rif_2
	338	shf_m => shf_1; shf => shf_2
	339	tswst_m => tswst_1; tswst => tswst_2
	340	usws_m => usws_1; usws => usws_2
[102]	341	uswst_m => uswst_1; uswst => uswst_2
[19]	342	vsws_m => vsws_1; vsws => vsws_2
[102]	343	vswst_m => vswst_1; vswst => vswst_2
[1]	344	e_m => e_1; e => e_2; e_p => e_3; te_m => e_3
	345	kh_m => kh_1; kh => kh_2
	346	km_m => km_1; km => km_2
	347	pt_m => pt_1; pt => pt_2; pt_p => pt_3; tpt_m => pt_3
	348	u_m => u_1; u => u_2; u_p => u_3; tu_m => u_3
	349	v_m => v_1; v => v_2; v_p => v_3; tv_m => v_3
	350	w_m => w_1; w => w_2; w_p => w_3; tw_m => w_3
	351
[75]	352	IF ( humidity .OR. passive_scalar ) THEN
[19]	353	qsws_m => qsws_1; qsws => qsws_2
	354	qswst_m => qswst_1; qswst => qswst_2
[1]	355	q_m => q_1; q => q_2; q_p => q_3; tq_m => q_3
[75]	356	IF ( humidity ) vpt_m => vpt_1; vpt => vpt_2
[1]	357	IF ( cloud_physics ) ql => ql_1
	358	IF ( cloud_droplets ) THEN
	359	ql => ql_1
	360	ql_c => ql_2
	361	ENDIF
	362	ENDIF
	363
	364	ELSE
	365
[19]	366	rif => rif_1
	367	shf => shf_1
	368	tswst => tswst_1
	369	usws => usws_1
[102]	370	uswst => uswst_1
[19]	371	vsws => vsws_1
[102]	372	vswst => vswst_1
[19]	373	e => e_1; e_p => e_2; te_m => e_3; e_m => e_3
	374	kh => kh_1
	375	km => km_1
	376	pt => pt_1; pt_p => pt_2; tpt_m => pt_3; pt_m => pt_3
	377	u => u_1; u_p => u_2; tu_m => u_3; u_m => u_3
	378	v => v_1; v_p => v_2; tv_m => v_3; v_m => v_3
	379	w => w_1; w_p => w_2; tw_m => w_3; w_m => w_3
[1]	380
[75]	381	IF ( humidity .OR. passive_scalar ) THEN
[1]	382	qsws => qsws_1
[19]	383	qswst => qswst_1
[94]	384	q => q_1; q_p => q_2; tq_m => q_3; q_m => q_3
[75]	385	IF ( humidity ) vpt => vpt_1
[1]	386	IF ( cloud_physics ) ql => ql_1
	387	IF ( cloud_droplets ) THEN
	388	ql => ql_1
	389	ql_c => ql_2
	390	ENDIF
	391	ENDIF
	392
[94]	393	IF ( ocean ) THEN
[95]	394	saswsb => saswsb_1
[94]	395	saswst => saswst_1
	396	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	397	ENDIF
	398
[1]	399	ENDIF
	400
	401	!
	402	!-- Initialize model variables
[147]	403	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	404	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	405	!
	406	!-- First model run of a possible job queue.
	407	!-- Initial profiles of the variables must be computes.
	408	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	409	!
	410	!-- Use solutions of the 1D model as initial profiles,
	411	!-- start 1D model
	412	CALL init_1d_model
	413	!
	414	!-- Transfer initial profiles to the arrays of the 3D model
	415	DO i = nxl-1, nxr+1
	416	DO j = nys-1, nyn+1
	417	e(:,j,i) = e1d
	418	kh(:,j,i) = kh1d
	419	km(:,j,i) = km1d
	420	pt(:,j,i) = pt_init
	421	u(:,j,i) = u1d
	422	v(:,j,i) = v1d
	423	ENDDO
	424	ENDDO
	425
[75]	426	IF ( humidity .OR. passive_scalar ) THEN
[1]	427	DO i = nxl-1, nxr+1
	428	DO j = nys-1, nyn+1
	429	q(:,j,i) = q_init
	430	ENDDO
	431	ENDDO
	432	ENDIF
	433
	434	IF ( .NOT. constant_diffusion ) THEN
	435	DO i = nxl-1, nxr+1
	436	DO j = nys-1, nyn+1
	437	e(:,j,i) = e1d
	438	ENDDO
	439	ENDDO
	440	!
	441	!-- Store initial profiles for output purposes etc.
	442	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	443
	444	IF ( prandtl_layer ) THEN
	445	rif = rif1d(nzb+1)
	446	ts = 0.0 ! could actually be computed more accurately in the
	447	! 1D model. Update when opportunity arises.
	448	us = us1d
	449	usws = usws1d
	450	vsws = vsws1d
	451	ELSE
	452	ts = 0.0 ! must be set, because used in
	453	rif = 0.0 ! flowste
	454	us = 0.0
	455	usws = 0.0
	456	vsws = 0.0
	457	ENDIF
	458
	459	ELSE
	460	e = 0.0 ! must be set, because used in
	461	rif = 0.0 ! flowste
	462	ts = 0.0
	463	us = 0.0
	464	usws = 0.0
	465	vsws = 0.0
	466	ENDIF
[102]	467	uswst = top_momentumflux_u
	468	vswst = top_momentumflux_v
[1]	469
	470	!
	471	!-- In every case qs = 0.0 (see also pt)
	472	!-- This could actually be computed more accurately in the 1D model.
	473	!-- Update when opportunity arises!
[75]	474	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	475
	476	!
	477	!-- inside buildings set velocities back to zero
	478	IF ( topography /= 'flat' ) THEN
	479	DO i = nxl-1, nxr+1
	480	DO j = nys-1, nyn+1
	481	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	482	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	483	ENDDO
	484	ENDDO
[132]	485	IF ( conserve_volume_flow ) THEN
	486	IF ( nxr == nx ) THEN
	487	DO j = nys, nyn
	488	DO k = nzb + 1, nzb_u_inner(j,nx)
[359]	489	u_nzb_p1_for_vfc(j) = u_nzb_p1_for_vfc(j) + &
	490	u1d(k) * dzu(k)
[132]	491	ENDDO
	492	ENDDO
	493	ENDIF
	494	IF ( nyn == ny ) THEN
	495	DO i = nxl, nxr
	496	DO k = nzb + 1, nzb_v_inner(ny,i)
[359]	497	v_nzb_p1_for_vfc(i) = v_nzb_p1_for_vfc(i) + &
	498	v1d(k) * dzu(k)
[132]	499	ENDDO
	500	ENDDO
	501	ENDIF
	502	ENDIF
[1]	503	!
	504	!-- WARNING: The extra boundary conditions set after running the
	505	!-- ------- 1D model impose an error on the divergence one layer
	506	!-- below the topography; need to correct later
	507	!-- ATTENTION: Provisional correction for Piacsek & Williams
	508	!-- --------- advection scheme: keep u and v zero one layer below
	509	!-- the topography.
	510	IF ( ibc_uv_b == 0 ) THEN
	511	!
	512	!-- Satisfying the Dirichlet condition with an extra layer below
	513	!-- the surface where the u and v component change their sign.
	514	DO i = nxl-1, nxr+1
	515	DO j = nys-1, nyn+1
	516	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = -u(1,j,i)
	517	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = -v(1,j,i)
	518	ENDDO
	519	ENDDO
	520
	521	ELSE
	522	!
	523	!-- Neumann condition
	524	DO i = nxl-1, nxr+1
	525	DO j = nys-1, nyn+1
	526	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	527	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	528	ENDDO
	529	ENDDO
	530
	531	ENDIF
	532
	533	ENDIF
	534
	535	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	536	THEN
	537	!
	538	!-- Use constructed initial profiles (velocity constant with height,
	539	!-- temperature profile with constant gradient)
	540	DO i = nxl-1, nxr+1
	541	DO j = nys-1, nyn+1
	542	pt(:,j,i) = pt_init
	543	u(:,j,i) = u_init
	544	v(:,j,i) = v_init
	545	ENDDO
	546	ENDDO
[75]	547
[1]	548	!
[292]	549	!-- Set initial horizontal velocities at the lowest computational grid
	550	!-- levels to zero in order to avoid too small time steps caused by the
	551	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	552	!-- in the limiting formula!). The original values are stored to be later
	553	!-- used for volume flow control.
[1]	554	DO i = nxl-1, nxr+1
	555	DO j = nys-1, nyn+1
	556	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	557	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	558	ENDDO
	559	ENDDO
[51]	560	IF ( conserve_volume_flow ) THEN
	561	IF ( nxr == nx ) THEN
	562	DO j = nys, nyn
[132]	563	DO k = nzb + 1, nzb_u_inner(j,nx) + 1
[359]	564	u_nzb_p1_for_vfc(j) = u_nzb_p1_for_vfc(j) + &
	565	u_init(k) * dzu(k)
[132]	566	ENDDO
[51]	567	ENDDO
	568	ENDIF
	569	IF ( nyn == ny ) THEN
	570	DO i = nxl, nxr
[132]	571	DO k = nzb + 1, nzb_v_inner(ny,i) + 1
[359]	572	v_nzb_p1_for_vfc(i) = v_nzb_p1_for_vfc(i) + &
	573	v_init(k) * dzu(k)
[132]	574	ENDDO
[51]	575	ENDDO
	576	ENDIF
	577	ENDIF
[1]	578
[75]	579	IF ( humidity .OR. passive_scalar ) THEN
[1]	580	DO i = nxl-1, nxr+1
	581	DO j = nys-1, nyn+1
	582	q(:,j,i) = q_init
	583	ENDDO
	584	ENDDO
	585	ENDIF
	586
[94]	587	IF ( ocean ) THEN
	588	DO i = nxl-1, nxr+1
	589	DO j = nys-1, nyn+1
	590	sa(:,j,i) = sa_init
	591	ENDDO
	592	ENDDO
	593	ENDIF
[1]	594
	595	IF ( constant_diffusion ) THEN
	596	km = km_constant
	597	kh = km / prandtl_number
[108]	598	e = 0.0
	599	ELSEIF ( e_init > 0.0 ) THEN
	600	DO k = nzb+1, nzt
	601	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	602	ENDDO
	603	km(nzb,:,:) = km(nzb+1,:,:)
	604	km(nzt+1,:,:) = km(nzt,:,:)
	605	kh = km / prandtl_number
	606	e = e_init
[1]	607	ELSE
[108]	608	IF ( .NOT. ocean ) THEN
	609	kh = 0.01 ! there must exist an initial diffusion, because
	610	km = 0.01 ! otherwise no TKE would be produced by the
	611	! production terms, as long as not yet
	612	! e = (u/cm)*2 at k=nzb+1
	613	ELSE
	614	kh = 0.00001
	615	km = 0.00001
	616	ENDIF
	617	e = 0.0
[1]	618	ENDIF
[102]	619	rif = 0.0
	620	ts = 0.0
	621	us = 0.0
	622	usws = 0.0
	623	uswst = top_momentumflux_u
	624	vsws = 0.0
	625	vswst = top_momentumflux_v
[75]	626	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	627
	628	!
	629	!-- Compute initial temperature field and other constants used in case
	630	!-- of a sloping surface
	631	IF ( sloping_surface ) CALL init_slope
	632
[46]	633	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	634	THEN
	635	!
	636	!-- Initialization will completely be done by the user
	637	CALL user_init_3d_model
	638
[1]	639	ENDIF
	640
	641	!
[151]	642	!-- Apply channel flow boundary condition
[132]	643	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	644
	645	u(nzt+1,:,:) = 0.0
	646	v(nzt+1,:,:) = 0.0
	647
[151]	648	!-- For the Dirichlet condition to be correctly applied at the top, set
[132]	649	!-- ug and vg to zero there
	650	ug(nzt+1) = 0.0
	651	vg(nzt+1) = 0.0
	652
	653	ENDIF
	654
	655	!
[1]	656	!-- Calculate virtual potential temperature
[75]	657	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	658
	659	!
	660	!-- Store initial profiles for output purposes etc.
	661	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	662	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
	663	IF ( ibc_uv_b == 0 ) THEN
	664	hom(nzb,1,5,:) = -hom(nzb+1,1,5,:) ! due to satisfying the Dirichlet
	665	hom(nzb,1,6,:) = -hom(nzb+1,1,6,:) ! condition with an extra layer
	666	! below the surface where the u and v component change their sign
	667	ENDIF
	668	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	669	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	670	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	671
[97]	672	IF ( ocean ) THEN
	673	!
	674	!-- Store initial salinity profile
	675	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	676	ENDIF
[1]	677
[75]	678	IF ( humidity ) THEN
[1]	679	!
	680	!-- Store initial profile of total water content, virtual potential
	681	!-- temperature
	682	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	683	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	684	IF ( cloud_physics .OR. cloud_droplets ) THEN
	685	!
	686	!-- Store initial profile of specific humidity and potential
	687	!-- temperature
	688	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	689	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	690	ENDIF
	691	ENDIF
	692
	693	IF ( passive_scalar ) THEN
	694	!
	695	!-- Store initial scalar profile
	696	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	697	ENDIF
	698
	699	!
[19]	700	!-- Initialize fluxes at bottom surface
[1]	701	IF ( use_surface_fluxes ) THEN
	702
	703	IF ( constant_heatflux ) THEN
	704	!
	705	!-- Heat flux is prescribed
	706	IF ( random_heatflux ) THEN
	707	CALL disturb_heatflux
	708	ELSE
	709	shf = surface_heatflux
	710	!
	711	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	712	IF ( TRIM( topography ) /= 'flat' ) THEN
	713	DO i = nxl-1, nxr+1
	714	DO j = nys-1, nyn+1
	715	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	716	shf(j,i) = wall_heatflux(0)
	717	ENDIF
	718	ENDDO
	719	ENDDO
	720	ENDIF
	721	ENDIF
	722	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
	723	ENDIF
	724
	725	!
	726	!-- Determine the near-surface water flux
[75]	727	IF ( humidity .OR. passive_scalar ) THEN
[1]	728	IF ( constant_waterflux ) THEN
	729	qsws = surface_waterflux
	730	IF ( ASSOCIATED( qsws_m ) ) qsws_m = qsws
	731	ENDIF
	732	ENDIF
	733
	734	ENDIF
	735
	736	!
[19]	737	!-- Initialize fluxes at top surface
[94]	738	!-- Currently, only the heatflux and salinity flux can be prescribed.
	739	!-- The latent flux is zero in this case!
[19]	740	IF ( use_top_fluxes ) THEN
	741
	742	IF ( constant_top_heatflux ) THEN
	743	!
	744	!-- Heat flux is prescribed
	745	tswst = top_heatflux
	746	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	747
[75]	748	IF ( humidity .OR. passive_scalar ) THEN
[19]	749	qswst = 0.0
	750	IF ( ASSOCIATED( qswst_m ) ) qswst_m = qswst
	751	ENDIF
[94]	752
	753	IF ( ocean ) THEN
[95]	754	saswsb = bottom_salinityflux
[94]	755	saswst = top_salinityflux
	756	ENDIF
[102]	757	ENDIF
[19]	758
[102]	759	!
	760	!-- Initialization in case of a coupled model run
	761	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	762	tswst = 0.0
	763	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	764	ENDIF
	765
[19]	766	ENDIF
	767
	768	!
[1]	769	!-- Initialize Prandtl layer quantities
	770	IF ( prandtl_layer ) THEN
	771
	772	z0 = roughness_length
	773
	774	IF ( .NOT. constant_heatflux ) THEN
	775	!
	776	!-- Surface temperature is prescribed. Here the heat flux cannot be
	777	!-- simply estimated, because therefore rif, u* and theta* would have
	778	!-- to be computed by iteration. This is why the heat flux is assumed
	779	!-- to be zero before the first time step. It approaches its correct
	780	!-- value in the course of the first few time steps.
	781	shf = 0.0
	782	IF ( ASSOCIATED( shf_m ) ) shf_m = 0.0
	783	ENDIF
	784
[75]	785	IF ( humidity .OR. passive_scalar ) THEN
[1]	786	IF ( .NOT. constant_waterflux ) THEN
	787	qsws = 0.0
	788	IF ( ASSOCIATED( qsws_m ) ) qsws_m = 0.0
	789	ENDIF
	790	ENDIF
	791
	792	ENDIF
	793
	794	!
[152]	795	!-- Calculate the initial volume flow at the right and north boundary
	796	IF ( conserve_volume_flow ) THEN
	797
	798	volume_flow_initial_l = 0.0
	799	volume_flow_area_l = 0.0
	800
	801	IF ( nxr == nx ) THEN
	802	DO j = nys, nyn
	803	DO k = nzb_2d(j,nx) + 1, nzt
	804	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	805	u(k,j,nx) * dzu(k)
	806	volume_flow_area_l(1) = volume_flow_area_l(1) + dzu(k)
	807	ENDDO
	808	!
	809	!-- Correction if velocity at nzb+1 has been set zero further above
	810	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	811	u_nzb_p1_for_vfc(j)
	812	ENDDO
	813	ENDIF
	814
	815	IF ( nyn == ny ) THEN
	816	DO i = nxl, nxr
	817	DO k = nzb_2d(ny,i) + 1, nzt
	818	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	819	v(k,ny,i) * dzu(k)
	820	volume_flow_area_l(2) = volume_flow_area_l(2) + dzu(k)
	821	ENDDO
	822	!
	823	!-- Correction if velocity at nzb+1 has been set zero further above
	824	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	825	v_nzb_p1_for_vfc(i)
	826	ENDDO
	827	ENDIF
	828
	829	#if defined( __parallel )
	830	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	831	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	832	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	833	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	834	#else
	835	volume_flow_initial = volume_flow_initial_l
	836	volume_flow_area = volume_flow_area_l
[241]	837	#endif
	838	!
	839	!-- In case of 'bulk_velocity' mode, volume_flow_initial is overridden
	840	!-- and calculated from u\|v_bulk instead.
	841	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	842	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	843	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	844	ENDIF
	845
[152]	846	ENDIF
	847
	848	!
[1]	849	!-- For the moment, perturbation pressure and vertical velocity are zero
	850	p = 0.0; w = 0.0
	851
	852	!
	853	!-- Initialize array sums (must be defined in first call of pres)
	854	sums = 0.0
	855
	856	!
[72]	857	!-- Treating cloud physics, liquid water content and precipitation amount
	858	!-- are zero at beginning of the simulation
	859	IF ( cloud_physics ) THEN
	860	ql = 0.0
	861	IF ( precipitation ) precipitation_amount = 0.0
	862	ENDIF
[1]	863
	864	!
	865	!-- Impose vortex with vertical axis on the initial velocity profile
	866	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	867	CALL init_rankine
	868	ENDIF
	869
	870	!
	871	!-- Impose temperature anomaly (advection test only)
	872	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	873	CALL init_pt_anomaly
	874	ENDIF
	875
	876	!
	877	!-- If required, change the surface temperature at the start of the 3D run
	878	IF ( pt_surface_initial_change /= 0.0 ) THEN
	879	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	880	ENDIF
	881
	882	!
	883	!-- If required, change the surface humidity/scalar at the start of the 3D
	884	!-- run
[75]	885	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	886	q_surface_initial_change /= 0.0 ) THEN
	887	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	888	ENDIF
	889
	890	!
	891	!-- Initialize the random number generator (from numerical recipes)
	892	CALL random_function_ini
	893
	894	!
	895	!-- Impose random perturbation on the horizontal velocity field and then
	896	!-- remove the divergences from the velocity field
	897	IF ( create_disturbances ) THEN
[75]	898	CALL disturb_field( nzb_u_inner, tend, u )
	899	CALL disturb_field( nzb_v_inner, tend, v )
[1]	900	n_sor = nsor_ini
	901	CALL pres
	902	n_sor = nsor
	903	ENDIF
	904
	905	!
	906	!-- Once again set the perturbation pressure explicitly to zero in order to
	907	!-- assure that it does not generate any divergences in the first time step.
	908	!-- At t=0 the velocity field is free of divergence (as constructed above).
	909	!-- Divergences being created during a time step are not yet known and thus
	910	!-- cannot be corrected during the time step yet.
	911	p = 0.0
	912
	913	!
	914	!-- Initialize old and new time levels.
	915	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	916	e_m = e; pt_m = pt; u_m = u; v_m = v; w_m = w; kh_m = kh; km_m = km
	917	ELSE
	918	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	919	ENDIF
	920	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	921
[75]	922	IF ( humidity .OR. passive_scalar ) THEN
[1]	923	IF ( ASSOCIATED( q_m ) ) q_m = q
	924	IF ( timestep_scheme(1:5) == 'runge' ) tq_m = 0.0
	925	q_p = q
[75]	926	IF ( humidity .AND. ASSOCIATED( vpt_m ) ) vpt_m = vpt
[1]	927	ENDIF
	928
[94]	929	IF ( ocean ) THEN
	930	tsa_m = 0.0
	931	sa_p = sa
	932	ENDIF
	933
[73]	934
[147]	935	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[328]	936	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	937	THEN
	938	!
[328]	939	!-- When reading data for cyclic fill of 3D prerun data, first read
[147]	940	!-- some of the global variables from restart file
[328]	941	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[151]	942
[147]	943	WRITE (9,*) 'before read_parts_of_var_list'
	944	CALL local_flush( 9 )
	945	CALL read_parts_of_var_list
	946	WRITE (9,*) 'after read_parts_of_var_list'
	947	CALL local_flush( 9 )
	948	CALL close_file( 13 )
[328]	949
[151]	950	!
[328]	951	!-- Initialization of the turbulence recycling method
	952	IF ( turbulent_inflow ) THEN
	953	!
	954	!-- Store temporally and horizontally averaged vertical profiles to be
	955	!-- used as mean inflow profiles
	956	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	957
[328]	958	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	959	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
	960	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	961	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	962
	963	!
[328]	964	!-- Use these mean profiles for the inflow (provided that Dirichlet
	965	!-- conditions are used)
	966	IF ( inflow_l ) THEN
	967	DO j = nys-1, nyn+1
	968	DO k = nzb, nzt+1
	969	u(k,j,-1) = mean_inflow_profiles(k,1)
	970	v(k,j,-1) = mean_inflow_profiles(k,2)
	971	w(k,j,-1) = 0.0
	972	pt(k,j,-1) = mean_inflow_profiles(k,4)
	973	e(k,j,-1) = mean_inflow_profiles(k,5)
	974	ENDDO
[151]	975	ENDDO
[328]	976	ENDIF
[151]	977
	978	!
[328]	979	!-- Calculate the damping factors to be used at the inflow. For a
	980	!-- turbulent inflow the turbulent fluctuations have to be limited
	981	!-- vertically because otherwise the turbulent inflow layer will grow
	982	!-- in time.
	983	IF ( inflow_damping_height == 9999999.9 ) THEN
[151]	984	!
[328]	985	!-- Default: use the inversion height calculated by the prerun; if
	986	!-- this is zero, inflow_damping_height must be explicitly
	987	!-- specified.
	988	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	989	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	990	ELSE
	991	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	992	'explicitly specified because&the inversion height ', &
	993	'calculated by the prerun is zero.'
	994	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
	995	ENDIF
	996
[292]	997	ENDIF
[151]	998
[328]	999	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	1000	!
[328]	1001	!-- Default for the transition range: one tenth of the undamped
	1002	!-- layer
	1003	inflow_damping_width = 0.1 * inflow_damping_height
[151]	1004
[328]	1005	ENDIF
[151]	1006
[328]	1007	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1008
[328]	1009	DO k = nzb, nzt+1
[151]	1010
[328]	1011	IF ( zu(k) <= inflow_damping_height ) THEN
	1012	inflow_damping_factor(k) = 1.0
	1013	ELSEIF ( zu(k) <= inflow_damping_height + &
	1014	inflow_damping_width ) THEN
	1015	inflow_damping_factor(k) = 1.0 - &
[151]	1016	( zu(k) - inflow_damping_height ) / &
	1017	inflow_damping_width
[328]	1018	ELSE
	1019	inflow_damping_factor(k) = 0.0
	1020	ENDIF
[151]	1021
[328]	1022	ENDDO
	1023	ENDIF
[151]	1024
[147]	1025	ENDIF
	1026
[152]	1027	!
[163]	1028	!-- Read binary data from restart file
	1029	WRITE (9,*) 'before read_3d_binary'
	1030	CALL local_flush( 9 )
	1031	CALL read_3d_binary
	1032	WRITE (9,*) 'after read_3d_binary'
	1033	CALL local_flush( 9 )
	1034
	1035	!
[359]	1036	!-- Inside buildings set velocities and TKE back to zero
	1037	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1038	topography /= 'flat' ) THEN
	1039	!
	1040	!-- Correction of initial volume flow
	1041	IF ( conserve_volume_flow ) THEN
	1042	IF ( nxr == nx ) THEN
	1043	DO j = nys, nyn
	1044	DO k = nzb + 1, nzb_u_inner(j,nx)
	1045	u_nzb_p1_for_vfc(j) = u_nzb_p1_for_vfc(j) + &
	1046	u(k,j,nx) * dzu(k)
	1047	ENDDO
	1048	ENDDO
	1049	ENDIF
	1050	IF ( nyn == ny ) THEN
	1051	DO i = nxl, nxr
	1052	DO k = nzb + 1, nzb_v_inner(ny,i)
	1053	v_nzb_p1_for_vfc(i) = v_nzb_p1_for_vfc(i) + &
	1054	v(k,ny,i) * dzu(k)
	1055	ENDDO
	1056	ENDDO
	1057	ENDIF
	1058	ENDIF
	1059
	1060	!
	1061	!-- Inside buildings set velocities and TKE back to zero.
	1062	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1063	!-- maybe revise later.
	1064	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1065	DO i = nxl-1, nxr+1
	1066	DO j = nys-1, nyn+1
	1067	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1068	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1069	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1070	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1071	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1072	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1073	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1074	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1075	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1076	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1077	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1078	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1079	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1080	ENDDO
	1081	ENDDO
	1082	ELSE
	1083	DO i = nxl-1, nxr+1
	1084	DO j = nys-1, nyn+1
	1085	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1086	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1087	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1088	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1089	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1090	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1091	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1092	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1093	u_p(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1094	v_p(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1095	w_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1096	e_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1097	ENDDO
	1098	ENDDO
	1099	ENDIF
	1100
	1101	ENDIF
	1102
	1103	!
[152]	1104	!-- Calculate the initial volume flow at the right and north boundary
[163]	1105	IF ( conserve_volume_flow .AND. &
[328]	1106	TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[151]	1107
[152]	1108	volume_flow_initial_l = 0.0
	1109	volume_flow_area_l = 0.0
	1110
	1111	IF ( nxr == nx ) THEN
	1112	DO j = nys, nyn
	1113	DO k = nzb_2d(j,nx) + 1, nzt
	1114	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1115	u(k,j,nx) * dzu(k)
	1116	volume_flow_area_l(1) = volume_flow_area_l(1) + dzu(k)
	1117	ENDDO
[147]	1118	!
[359]	1119	!-- Correction if velocity inside buildings has been set to zero
	1120	!-- further above
[152]	1121	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1122	u_nzb_p1_for_vfc(j)
	1123	ENDDO
	1124	ENDIF
	1125
	1126	IF ( nyn == ny ) THEN
	1127	DO i = nxl, nxr
	1128	DO k = nzb_2d(ny,i) + 1, nzt
	1129	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1130	v(k,ny,i) * dzu(k)
	1131	volume_flow_area_l(2) = volume_flow_area_l(2) + dzu(k)
	1132	ENDDO
	1133	!
[359]	1134	!-- Correction if velocity inside buildings has been set to zero
	1135	!-- further above
[152]	1136	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1137	v_nzb_p1_for_vfc(i)
	1138	ENDDO
	1139	ENDIF
	1140
	1141	#if defined( __parallel )
	1142	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1143	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1144	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1145	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1146	#else
	1147	volume_flow_initial = volume_flow_initial_l
	1148	volume_flow_area = volume_flow_area_l
	1149	#endif
	1150	ENDIF
	1151
	1152
	1153	!
[1]	1154	!-- Calculate initial temperature field and other constants used in case
	1155	!-- of a sloping surface
	1156	IF ( sloping_surface ) CALL init_slope
	1157
	1158	!
	1159	!-- Initialize new time levels (only done in order to set boundary values
	1160	!-- including ghost points)
	1161	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[75]	1162	IF ( humidity .OR. passive_scalar ) q_p = q
[94]	1163	IF ( ocean ) sa_p = sa
[1]	1164
[181]	1165	!
	1166	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1167	!-- have to be predefined here because they are used (but multiplied with 0)
	1168	!-- there before they are set.
	1169	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1170	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	1171	IF ( humidity .OR. passive_scalar ) tq_m = 0.0
	1172	IF ( ocean ) tsa_m = 0.0
	1173	ENDIF
	1174
[1]	1175	ELSE
	1176	!
	1177	!-- Actually this part of the programm should not be reached
[254]	1178	message_string = 'unknown initializing problem'
	1179	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1180	ENDIF
	1181
[151]	1182
	1183	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1184	!
[151]	1185	!-- Initialize old timelevels needed for radiation boundary conditions
	1186	IF ( outflow_l ) THEN
	1187	u_m_l(:,:,:) = u(:,:,1:2)
	1188	v_m_l(:,:,:) = v(:,:,0:1)
	1189	w_m_l(:,:,:) = w(:,:,0:1)
	1190	ENDIF
	1191	IF ( outflow_r ) THEN
	1192	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1193	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1194	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1195	ENDIF
	1196	IF ( outflow_s ) THEN
	1197	u_m_s(:,:,:) = u(:,0:1,:)
	1198	v_m_s(:,:,:) = v(:,1:2,:)
	1199	w_m_s(:,:,:) = w(:,0:1,:)
	1200	ENDIF
	1201	IF ( outflow_n ) THEN
	1202	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1203	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1204	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1205	ENDIF
	1206
	1207	ENDIF
	1208
	1209	!
[138]	1210	!-- Initialization of the leaf area density
	1211	IF ( plant_canopy ) THEN
	1212
	1213	SELECT CASE ( TRIM( canopy_mode ) )
	1214
	1215	CASE( 'block' )
	1216
	1217	DO i = nxl-1, nxr+1
	1218	DO j = nys-1, nyn+1
	1219	lad_s(:,j,i) = lad(:)
	1220	cdc(:,j,i) = drag_coefficient
[153]	1221	IF ( passive_scalar ) THEN
	1222	sls(:,j,i) = leaf_surface_concentration
	1223	sec(:,j,i) = scalar_exchange_coefficient
	1224	ENDIF
[138]	1225	ENDDO
	1226	ENDDO
	1227
	1228	CASE DEFAULT
	1229
	1230	!
	1231	!-- The DEFAULT case is reached either if the parameter
	1232	!-- canopy mode contains a wrong character string or if the
	1233	!-- user has coded a special case in the user interface.
	1234	!-- There, the subroutine user_init_plant_canopy checks
	1235	!-- which of these two conditions applies.
	1236	CALL user_init_plant_canopy
	1237
	1238	END SELECT
	1239
	1240	CALL exchange_horiz( lad_s )
	1241	CALL exchange_horiz( cdc )
	1242
[153]	1243	IF ( passive_scalar ) THEN
	1244	CALL exchange_horiz( sls )
	1245	CALL exchange_horiz( sec )
	1246	ENDIF
	1247
	1248	!
	1249	!-- Sharp boundaries of the plant canopy in horizontal directions
	1250	!-- In vertical direction the interpolation is retained, as the leaf
	1251	!-- area density is initialised by prescribing a vertical profile
	1252	!-- consisting of piecewise linear segments. The upper boundary
	1253	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1254
[138]	1255	DO i = nxl, nxr
	1256	DO j = nys, nyn
	1257	DO k = nzb, nzt+1
[153]	1258	IF ( lad_s(k,j,i) > 0.0 ) THEN
	1259	lad_u(k,j,i) = lad_s(k,j,i)
	1260	lad_u(k,j,i+1) = lad_s(k,j,i)
	1261	lad_v(k,j,i) = lad_s(k,j,i)
	1262	lad_v(k,j+1,i) = lad_s(k,j,i)
	1263	ENDIF
[138]	1264	ENDDO
	1265	DO k = nzb, nzt
	1266	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1267	ENDDO
	1268	ENDDO
	1269	ENDDO
	1270
[153]	1271	lad_w(pch_index,:,:) = 0.0
	1272	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1273
	1274	CALL exchange_horiz( lad_u )
	1275	CALL exchange_horiz( lad_v )
	1276	CALL exchange_horiz( lad_w )
[153]	1277
	1278	!
	1279	!-- Initialisation of the canopy heat source distribution
	1280	IF ( cthf /= 0.0 ) THEN
	1281	!
	1282	!-- Piecewise evaluation of the leaf area index by
	1283	!-- integration of the leaf area density
	1284	lai(:,:,:) = 0.0
	1285	DO i = nxl-1, nxr+1
	1286	DO j = nys-1, nyn+1
	1287	DO k = pch_index-1, 0, -1
	1288	lai(k,j,i) = lai(k+1,j,i) + &
	1289	( 0.5 * ( lad_w(k+1,j,i) + &
	1290	lad_s(k+1,j,i) ) * &
	1291	( zw(k+1) - zu(k+1) ) ) + &
	1292	( 0.5 * ( lad_w(k,j,i) + &
	1293	lad_s(k+1,j,i) ) * &
	1294	( zu(k+1) - zw(k) ) )
	1295	ENDDO
	1296	ENDDO
	1297	ENDDO
	1298
	1299	!
	1300	!-- Evaluation of the upward kinematic vertical heat flux within the
	1301	!-- canopy
	1302	DO i = nxl-1, nxr+1
	1303	DO j = nys-1, nyn+1
	1304	DO k = 0, pch_index
	1305	canopy_heat_flux(k,j,i) = cthf * &
	1306	exp( -0.6 * lai(k,j,i) )
	1307	ENDDO
	1308	ENDDO
	1309	ENDDO
	1310
	1311	!
	1312	!-- The near surface heat flux is derived from the heat flux
	1313	!-- distribution within the canopy
	1314	shf(:,:) = canopy_heat_flux(0,:,:)
	1315
	1316	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
	1317
	1318	ENDIF
	1319
[138]	1320	ENDIF
	1321
	1322	!
[1]	1323	!-- If required, initialize dvrp-software
	1324	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1325
[96]	1326	IF ( ocean ) THEN
[1]	1327	!
[96]	1328	!-- Initialize quantities needed for the ocean model
	1329	CALL init_ocean
	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	!
	1344	!-- Initialize quantities for special advections schemes
	1345	CALL init_advec
	1346
	1347	!
	1348	!-- Initialize Rayleigh damping factors
	1349	rdf = 0.0
	1350	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1351	IF ( .NOT. ocean ) THEN
	1352	DO k = nzb+1, nzt
	1353	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1354	rdf(k) = rayleigh_damping_factor * &
[1]	1355	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1356	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1357	)**2
[108]	1358	ENDIF
	1359	ENDDO
	1360	ELSE
	1361	DO k = nzt, nzb+1, -1
	1362	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1363	rdf(k) = rayleigh_damping_factor * &
	1364	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1365	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1366	)**2
	1367	ENDIF
	1368	ENDDO
	1369	ENDIF
[1]	1370	ENDIF
	1371
	1372	!
[240]	1373	!-- Initialize the starting level and the vertical smoothing factor used for
	1374	!-- the external pressure gradient
	1375	dp_smooth_factor = 1.0
	1376	IF ( dp_external ) THEN
	1377	!
	1378	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1379	!-- (e.g. in init_grid).
	1380	IF ( dp_level_ind_b == 0 ) THEN
	1381	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1382	dp_level_ind_b = ind_array(1) - 1 + nzb
	1383	! MINLOC uses lower array bound 1
	1384	ENDIF
	1385	IF ( dp_smooth ) THEN
	1386	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1387	DO k = dp_level_ind_b+1, nzt
	1388	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1389	( REAL( k - dp_level_ind_b ) / &
	1390	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1391	ENDDO
	1392	ENDIF
	1393	ENDIF
	1394
	1395	!
[1]	1396	!-- Initialize diffusivities used within the outflow damping layer in case of
	1397	!-- non-cyclic lateral boundaries. A linear increase is assumed over the first
	1398	!-- half of the width of the damping layer
[73]	1399	IF ( bc_lr == 'dirichlet/radiation' ) THEN
[1]	1400
	1401	DO i = nxl-1, nxr+1
[73]	1402	IF ( i >= nx - outflow_damping_width ) THEN
	1403	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1404	( i - ( nx - outflow_damping_width ) ) / &
	1405	REAL( outflow_damping_width/2 ) &
	1406	)
	1407	ELSE
	1408	km_damp_x(i) = 0.0
	1409	ENDIF
	1410	ENDDO
[1]	1411
[73]	1412	ELSEIF ( bc_lr == 'radiation/dirichlet' ) THEN
[1]	1413
[73]	1414	DO i = nxl-1, nxr+1
	1415	IF ( i <= outflow_damping_width ) THEN
	1416	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1417	( outflow_damping_width - i ) / &
	1418	REAL( outflow_damping_width/2 ) &
	1419	)
	1420	ELSE
	1421	km_damp_x(i) = 0.0
	1422	ENDIF
	1423	ENDDO
[1]	1424
[73]	1425	ENDIF
[1]	1426
[73]	1427	IF ( bc_ns == 'dirichlet/radiation' ) THEN
[1]	1428
[73]	1429	DO j = nys-1, nyn+1
	1430	IF ( j >= ny - outflow_damping_width ) THEN
	1431	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1432	( j - ( ny - outflow_damping_width ) ) / &
	1433	REAL( outflow_damping_width/2 ) &
	1434	)
	1435	ELSE
	1436	km_damp_y(j) = 0.0
[1]	1437	ENDIF
	1438	ENDDO
	1439
[73]	1440	ELSEIF ( bc_ns == 'radiation/dirichlet' ) THEN
[1]	1441
	1442	DO j = nys-1, nyn+1
[73]	1443	IF ( j <= outflow_damping_width ) THEN
	1444	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1445	( outflow_damping_width - j ) / &
	1446	REAL( outflow_damping_width/2 ) &
	1447	)
	1448	ELSE
	1449	km_damp_y(j) = 0.0
[1]	1450	ENDIF
[73]	1451	ENDDO
[1]	1452
	1453	ENDIF
	1454
	1455	!
	1456	!-- Initialize local summation arrays for UP flow_statistics. This is necessary
	1457	!-- because they may not yet have been initialized when they are called from
	1458	!-- flow_statistics (or - depending on the chosen model run - are never
	1459	!-- initialized)
	1460	sums_divnew_l = 0.0
	1461	sums_divold_l = 0.0
	1462	sums_l_l = 0.0
	1463	sums_up_fraction_l = 0.0
	1464	sums_wsts_bc_l = 0.0
	1465
	1466	!
	1467	!-- Pre-set masks for regional statistics. Default is the total model domain.
	1468	rmask = 1.0
	1469
	1470	!
[51]	1471	!-- User-defined initializing actions. Check afterwards, if maximum number
	1472	!-- of allowed timeseries is not exceeded
[1]	1473	CALL user_init
	1474
[51]	1475	IF ( dots_num > dots_max ) THEN
[254]	1476	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1477	' its maximum of dots_max = ', dots_max, &
[254]	1478	' &Please increase dots_max in modules.f90.'
	1479	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1480	ENDIF
	1481
[1]	1482	!
	1483	!-- Input binary data file is not needed anymore. This line must be placed
	1484	!-- after call of user_init!
	1485	CALL close_file( 13 )
	1486
	1487	!
	1488	!-- Compute total sum of active mask grid points
	1489	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1490	!-- total domain
	1491	!-- ngp_3d: number of grid points of the total domain
[132]	1492	ngp_2dh_outer_l = 0
	1493	ngp_2dh_outer = 0
	1494	ngp_2dh_s_inner_l = 0
	1495	ngp_2dh_s_inner = 0
	1496	ngp_2dh_l = 0
	1497	ngp_2dh = 0
	1498	ngp_3d_inner_l = 0
	1499	ngp_3d_inner = 0
	1500	ngp_3d = 0
	1501	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1502
	1503	DO sr = 0, statistic_regions
	1504	DO i = nxl, nxr
	1505	DO j = nys, nyn
	1506	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1507	!
	1508	!-- All xy-grid points
	1509	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1510	!
	1511	!-- xy-grid points above topography
	1512	DO k = nzb_s_outer(j,i), nz + 1
	1513	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1514	ENDDO
[132]	1515	DO k = nzb_s_inner(j,i), nz + 1
	1516	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1517	ENDDO
[1]	1518	!
	1519	!-- All grid points of the total domain above topography
	1520	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1521	( nz - nzb_s_inner(j,i) + 2 )
	1522	ENDIF
	1523	ENDDO
	1524	ENDDO
	1525	ENDDO
	1526
	1527	sr = statistic_regions + 1
	1528	#if defined( __parallel )
	1529	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
	1530	comm2d, ierr )
	1531	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
	1532	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[132]	1533	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
	1534	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[1]	1535	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner(0), sr, MPI_INTEGER, &
	1536	MPI_SUM, comm2d, ierr )
	1537	#else
[132]	1538	ngp_2dh = ngp_2dh_l
	1539	ngp_2dh_outer = ngp_2dh_outer_l
	1540	ngp_2dh_s_inner = ngp_2dh_s_inner_l
	1541	ngp_3d_inner = ngp_3d_inner_l
[1]	1542	#endif
	1543
	1544	ngp_3d = ngp_2dh * ( nz + 2 )
	1545
	1546	!
	1547	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1548	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1549	!-- the respective subdomain lie below the surface topography
[333]	1550	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
	1551	ngp_3d_inner = MAX( 1, ngp_3d_inner(:) )
	1552	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1553
	1554	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l )
	1555
	1556
	1557	END SUBROUTINE init_3d_model

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