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source: palm/trunk/SOURCE/init_3d_model.f90 @ 766

Last change on this file since 766 was 760, checked in by raasch, 13 years ago
last commit documented
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File size: 56.6 KB

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[1]	1	#if defined( __ibmy_special )
	2	@PROCESS NOOPTimize
	3	#endif
	4	SUBROUTINE init_3d_model
	5
	6	!------------------------------------------------------------------------------!
[254]	7	! Current revisions:
[732]	8	! ------------------
[760]	9	!
[708]	10	!
	11	! Former revisions:
	12	! -----------------
	13	! $Id: init_3d_model.f90 760 2011-09-15 14:37:54Z raasch $
	14	!
[760]	15	! 759 2011-09-15 13:58:31Z raasch
	16	! Splitting of parallel I/O in blocks of PEs
	17	! Bugfix: No zero assignments to volume_flow_initial and volume_flow_area in
	18	! case of normal restart runs.
	19	!
[714]	20	! 713 2011-03-30 14:21:21Z suehring
[732]	21	! weight_substep and weight_pres are given as fractions.
[714]	22	!
[710]	23	! 709 2011-03-30 09:31:40Z raasch
	24	! formatting adjustments
	25	!
[708]	26	! 707 2011-03-29 11:39:40Z raasch
[707]	27	! p_sub renamed p_loc and allocated depending on the chosen pressure solver,
	28	! initial assignments of zero to array p for iterative solvers only,
	29	! bc_lr/ns replaced by bc_lr/ns_dirrad/raddir
[674]	30	!
[708]	31	! 680 2011-02-04 23:16:06Z gryschka
[681]	32	! bugfix: volume_flow_control
[668]	33	!
[674]	34	! 673 2011-01-18 16:19:48Z suehring
	35	! weight_substep (moved from advec_ws) and weight_pres added.
	36	! Allocate p_sub when using Multigrid or SOR solver.
	37	! Call of ws_init moved behind the if requests.
	38	!
[668]	39	! 667 2010-12-23 12:06:00Z suehring/gryschka
[667]	40	! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng in loops and
	41	! allocation of arrays. Calls of exchange_horiz are modified.
[709]	42	! Call ws_init to initialize arrays needed for calculating statisticas and for
[667]	43	! optimization when ws-scheme is used.
	44	! Initial volume flow is now calculated by using the variable hom_sum.
	45	! Therefore the correction of initial volume flow for non-flat topography
	46	! removed (removed u_nzb_p1_for_vfc and v_nzb_p1_for_vfc)
	47	! Changed surface boundary conditions for u and v in case of ibc_uv_b == 0 from
[709]	48	! mirror to Dirichlet boundary conditions (u=v=0), so that k=nzb is
	49	! representative for the height z0.
[667]	50	! Bugfix: type conversion of '1' to 64bit for the MAX function (ngp_3d_inner)
	51	!
[623]	52	! 622 2010-12-10 08:08:13Z raasch
	53	! optional barriers included in order to speed up collective operations
	54	!
[561]	55	! 560 2010-09-09 10:06:09Z weinreis
	56	! bugfix: correction of calculating ngp_3d for 64 bit
	57	!
[486]	58	! 485 2010-02-05 10:57:51Z raasch
	59	! calculation of ngp_3d + ngp_3d_inner changed because they have now 64 bit
	60	!
[482]	61	! 407 2009-12-01 15:01:15Z maronga
	62	! var_ts is replaced by dots_max
	63	! Enabled passive scalar/humidity wall fluxes for non-flat topography
	64	!
[392]	65	! 388 2009-09-23 09:40:33Z raasch
[388]	66	! Initialization of prho added.
[359]	67	! bugfix: correction of initial volume flow for non-flat topography
	68	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	69	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	70	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	71	! independent of turbulent_inflow
[254]	72	! Output of messages replaced by message handling routine.
[240]	73	! Set the starting level and the vertical smoothing factor used for
	74	! the external pressure gradient
[254]	75	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	76	! and 'bulk_velocity'
[292]	77	! If the inversion height calculated by the prerun is zero,
	78	! inflow_damping_height must be explicitly specified.
[139]	79	!
[198]	80	! 181 2008-07-30 07:07:47Z raasch
	81	! bugfix: zero assignments to tendency arrays in case of restarts,
	82	! further extensions and modifications in the initialisation of the plant
	83	! canopy model,
	84	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	85	! after allocating theses arrays,
	86	! read data for recycling added as new initialization option,
	87	! dummy allocation for diss
	88	!
[139]	89	! 138 2007-11-28 10:03:58Z letzel
[132]	90	! New counter ngp_2dh_s_inner.
	91	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	92	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	93	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	94	!
[110]	95	! 108 2007-08-24 15:10:38Z letzel
	96	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	97	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	98	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	99	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	100	! TKE e_init
	101	!
[98]	102	! 97 2007-06-21 08:23:15Z raasch
	103	! Initialization of salinity, call of init_ocean
	104	!
[90]	105	! 87 2007-05-22 15:46:47Z raasch
	106	! var_hom and var_sum renamed pr_palm
	107	!
[77]	108	! 75 2007-03-22 09:54:05Z raasch
[73]	109	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	110	! bugfix for cases with the outflow damping layer extending over more than one
[75]	111	! subdomain, moisture renamed humidity,
	112	! new initializing action "by_user" calls user_init_3d_model,
[72]	113	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	114	! initial velocities at nzb+1 are regarded for volume
	115	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	116	! -uvmean_outflow, uxrp, vynp eliminated
[1]	117	!
[39]	118	! 19 2007-02-23 04:53:48Z raasch
	119	! +handling of top fluxes
	120	!
[3]	121	! RCS Log replace by Id keyword, revision history cleaned up
	122	!
[1]	123	! Revision 1.49 2006/08/22 15:59:07 raasch
	124	! No optimization of this file on the ibmy (Yonsei Univ.)
	125	!
	126	! Revision 1.1 1998/03/09 16:22:22 raasch
	127	! Initial revision
	128	!
	129	!
	130	! Description:
	131	! ------------
	132	! Allocation of arrays and initialization of the 3D model via
	133	! a) pre-run the 1D model
	134	! or
	135	! b) pre-set constant linear profiles
	136	! or
	137	! c) read values of a previous run
	138	!------------------------------------------------------------------------------!
	139
[667]	140	USE advec_ws
[1]	141	USE arrays_3d
	142	USE averaging
[72]	143	USE cloud_parameters
[1]	144	USE constants
	145	USE control_parameters
	146	USE cpulog
	147	USE indices
	148	USE interfaces
	149	USE model_1d
[51]	150	USE netcdf_control
[1]	151	USE particle_attributes
	152	USE pegrid
	153	USE profil_parameter
	154	USE random_function_mod
	155	USE statistics
	156
	157	IMPLICIT NONE
	158
[559]	159	INTEGER :: i, ind_array(1), j, k, sr
[1]	160
[485]	161	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l
[1]	162
[132]	163	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
	164	ngp_2dh_s_inner_l
[1]	165
[153]	166	REAL :: a, b
	167
[1]	168	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	169
[485]	170	REAL, DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l, ngp_3d_inner_tmp
[1]	171
[485]	172
[1]	173	!
	174	!-- Allocate arrays
	175	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	176	ngp_3d(0:statistic_regions), &
	177	ngp_3d_inner(0:statistic_regions), &
	178	ngp_3d_inner_l(0:statistic_regions), &
[485]	179	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	180	sums_divnew_l(0:statistic_regions), &
	181	sums_divold_l(0:statistic_regions) )
[240]	182	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt) )
[143]	183	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	184	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	185	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	186	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[667]	187	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	188	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	189	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	190	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	191	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	192	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	193	ts_value(dots_max,0:statistic_regions) )
[667]	194	ALLOCATE( km_damp_x(nxlg:nxrg), km_damp_y(nysg:nyng) )
[1]	195
[667]	196	ALLOCATE( rif_1(nysg:nyng,nxlg:nxrg), shf_1(nysg:nyng,nxlg:nxrg), &
	197	ts(nysg:nyng,nxlg:nxrg), tswst_1(nysg:nyng,nxlg:nxrg), &
	198	us(nysg:nyng,nxlg:nxrg), usws_1(nysg:nyng,nxlg:nxrg), &
	199	uswst_1(nysg:nyng,nxlg:nxrg), &
	200	vsws_1(nysg:nyng,nxlg:nxrg), &
	201	vswst_1(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg) )
[1]	202
	203	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	204	!
	205	!-- Leapfrog scheme needs two timelevels of diffusion quantities
[667]	206	ALLOCATE( rif_2(nysg:nyng,nxlg:nxrg), &
	207	shf_2(nysg:nyng,nxlg:nxrg), &
	208	tswst_2(nysg:nyng,nxlg:nxrg), &
	209	usws_2(nysg:nyng,nxlg:nxrg), &
	210	uswst_2(nysg:nyng,nxlg:nxrg), &
	211	vswst_2(nysg:nyng,nxlg:nxrg), &
	212	vsws_2(nysg:nyng,nxlg:nxrg) )
[1]	213	ENDIF
	214
[75]	215	ALLOCATE( d(nzb+1:nzta,nys:nyna,nxl:nxra), &
[667]	216	e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	217	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	218	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	219	kh_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	220	km_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	221	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	222	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	223	pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	224	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	225	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	226	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	227	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	228	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	229	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	230	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	231	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	232	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	233	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	234	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[673]	235	!
[707]	236	!-- Following array is required for perturbation pressure within the iterative
	237	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	238	!-- the weighted average of the substeps and cannot be used in the Poisson
	239	!-- solver.
	240	IF ( psolver == 'sor' ) THEN
	241	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	242	ELSEIF ( psolver == 'multigrid' ) THEN
	243	!
	244	!-- For performance reasons, multigrid is using one ghost layer only
	245	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	246	ENDIF
[1]	247
	248	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	249	ALLOCATE( kh_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	250	km_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	251	ENDIF
	252
[75]	253	IF ( humidity .OR. passive_scalar ) THEN
[1]	254	!
[75]	255	!-- 2D-humidity/scalar arrays
[667]	256	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	257	qsws_1(nysg:nyng,nxlg:nxrg), &
	258	qswst_1(nysg:nyng,nxlg:nxrg) )
[1]	259
	260	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	261	ALLOCATE( qsws_2(nysg:nyng,nxlg:nxrg), &
	262	qswst_2(nysg:nyng,nxlg:nxrg) )
[1]	263	ENDIF
	264	!
[75]	265	!-- 3D-humidity/scalar arrays
[667]	266	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	267	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	268	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	269
	270	!
[75]	271	!-- 3D-arrays needed for humidity only
	272	IF ( humidity ) THEN
[667]	273	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	274
	275	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	276	ALLOCATE( vpt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	277	ENDIF
	278
	279	IF ( cloud_physics ) THEN
	280	!
	281	!-- Liquid water content
[667]	282	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[72]	283	!
	284	!-- Precipitation amount and rate (only needed if output is switched)
[667]	285	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	286	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1]	287	ENDIF
	288
	289	IF ( cloud_droplets ) THEN
	290	!
	291	!-- Liquid water content, change in liquid water content,
	292	!-- real volume of particles (with weighting), volume of particles
[667]	293	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	294	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	295	ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	296	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	297	ENDIF
	298
	299	ENDIF
	300
	301	ENDIF
	302
[94]	303	IF ( ocean ) THEN
[667]	304	ALLOCATE( saswsb_1(nysg:nyng,nxlg:nxrg), &
	305	saswst_1(nysg:nyng,nxlg:nxrg) )
	306	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	307	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	308	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	309	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	310	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	311	prho => prho_1
	312	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	313	! density to be apointer
[108]	314	IF ( humidity_remote ) THEN
[667]	315	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[108]	316	qswst_remote = 0.0
	317	ENDIF
[94]	318	ENDIF
	319
[1]	320	!
	321	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	322	!-- particle velocities
	323	IF ( use_sgs_for_particles ) THEN
[667]	324	ALLOCATE ( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[181]	325	ELSE
	326	ALLOCATE ( diss(2,2,2) ) ! required because diss is used as a
	327	! formal parameter
[1]	328	ENDIF
	329
	330	IF ( dt_dosp /= 9999999.9 ) THEN
	331	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	332	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	333	spectrum_x = 0.0
	334	spectrum_y = 0.0
[1]	335	ENDIF
	336
	337	!
[138]	338	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	339	IF ( plant_canopy ) THEN
[667]	340	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	342	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	343	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	344	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	345
	346	IF ( passive_scalar ) THEN
[667]	347	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	348	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	349	ENDIF
	350
	351	IF ( cthf /= 0.0 ) THEN
[667]	352	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	353	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	354	ENDIF
	355
[138]	356	ENDIF
	357
	358	!
[51]	359	!-- 4D-array for storing the Rif-values at vertical walls
	360	IF ( topography /= 'flat' ) THEN
[667]	361	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[51]	362	rif_wall = 0.0
	363	ENDIF
	364
	365	!
[106]	366	!-- Arrays to store velocity data from t-dt and the phase speeds which
	367	!-- are needed for radiation boundary conditions
[73]	368	IF ( outflow_l ) THEN
[667]	369	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	370	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	371	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	372	ENDIF
	373	IF ( outflow_r ) THEN
[667]	374	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	375	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	376	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	377	ENDIF
[106]	378	IF ( outflow_l .OR. outflow_r ) THEN
[667]	379	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	380	c_w(nzb:nzt+1,nysg:nyng) )
[106]	381	ENDIF
[73]	382	IF ( outflow_s ) THEN
[667]	383	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	384	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	385	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	386	ENDIF
	387	IF ( outflow_n ) THEN
[667]	388	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	389	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	390	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	391	ENDIF
[106]	392	IF ( outflow_s .OR. outflow_n ) THEN
[667]	393	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	394	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	395	ENDIF
[73]	396
	397	!
[1]	398	!-- Initial assignment of the pointers
	399	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	400
[19]	401	rif_m => rif_1; rif => rif_2
	402	shf_m => shf_1; shf => shf_2
	403	tswst_m => tswst_1; tswst => tswst_2
	404	usws_m => usws_1; usws => usws_2
[102]	405	uswst_m => uswst_1; uswst => uswst_2
[19]	406	vsws_m => vsws_1; vsws => vsws_2
[102]	407	vswst_m => vswst_1; vswst => vswst_2
[1]	408	e_m => e_1; e => e_2; e_p => e_3; te_m => e_3
	409	kh_m => kh_1; kh => kh_2
	410	km_m => km_1; km => km_2
	411	pt_m => pt_1; pt => pt_2; pt_p => pt_3; tpt_m => pt_3
	412	u_m => u_1; u => u_2; u_p => u_3; tu_m => u_3
	413	v_m => v_1; v => v_2; v_p => v_3; tv_m => v_3
	414	w_m => w_1; w => w_2; w_p => w_3; tw_m => w_3
	415
[75]	416	IF ( humidity .OR. passive_scalar ) THEN
[19]	417	qsws_m => qsws_1; qsws => qsws_2
	418	qswst_m => qswst_1; qswst => qswst_2
[1]	419	q_m => q_1; q => q_2; q_p => q_3; tq_m => q_3
[75]	420	IF ( humidity ) vpt_m => vpt_1; vpt => vpt_2
[1]	421	IF ( cloud_physics ) ql => ql_1
	422	IF ( cloud_droplets ) THEN
	423	ql => ql_1
	424	ql_c => ql_2
	425	ENDIF
	426	ENDIF
	427
	428	ELSE
	429
[19]	430	rif => rif_1
	431	shf => shf_1
	432	tswst => tswst_1
	433	usws => usws_1
[102]	434	uswst => uswst_1
[19]	435	vsws => vsws_1
[102]	436	vswst => vswst_1
[19]	437	e => e_1; e_p => e_2; te_m => e_3; e_m => e_3
	438	kh => kh_1
	439	km => km_1
	440	pt => pt_1; pt_p => pt_2; tpt_m => pt_3; pt_m => pt_3
	441	u => u_1; u_p => u_2; tu_m => u_3; u_m => u_3
	442	v => v_1; v_p => v_2; tv_m => v_3; v_m => v_3
	443	w => w_1; w_p => w_2; tw_m => w_3; w_m => w_3
[1]	444
[75]	445	IF ( humidity .OR. passive_scalar ) THEN
[1]	446	qsws => qsws_1
[19]	447	qswst => qswst_1
[94]	448	q => q_1; q_p => q_2; tq_m => q_3; q_m => q_3
[75]	449	IF ( humidity ) vpt => vpt_1
[1]	450	IF ( cloud_physics ) ql => ql_1
	451	IF ( cloud_droplets ) THEN
	452	ql => ql_1
	453	ql_c => ql_2
	454	ENDIF
	455	ENDIF
	456
[94]	457	IF ( ocean ) THEN
[95]	458	saswsb => saswsb_1
[94]	459	saswst => saswst_1
	460	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	461	ENDIF
	462
[1]	463	ENDIF
[673]	464
[1]	465	!
[709]	466	!-- Allocate arrays containing the RK coefficient for calculation of
	467	!-- perturbation pressure and turbulent fluxes. At this point values are
	468	!-- set for pressure calculation during initialization (where no timestep
	469	!-- is done). Further below the values needed within the timestep scheme
	470	!-- will be set.
	471	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	472	weight_pres(1:intermediate_timestep_count_max) )
[709]	473	weight_substep = 1.0
	474	weight_pres = 1.0
	475	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	476
	477	!
[1]	478	!-- Initialize model variables
[147]	479	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	480	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	481	!
	482	!-- First model run of a possible job queue.
	483	!-- Initial profiles of the variables must be computes.
	484	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	485	!
	486	!-- Use solutions of the 1D model as initial profiles,
	487	!-- start 1D model
	488	CALL init_1d_model
	489	!
	490	!-- Transfer initial profiles to the arrays of the 3D model
[667]	491	DO i = nxlg, nxrg
	492	DO j = nysg, nyng
[1]	493	e(:,j,i) = e1d
	494	kh(:,j,i) = kh1d
	495	km(:,j,i) = km1d
	496	pt(:,j,i) = pt_init
	497	u(:,j,i) = u1d
	498	v(:,j,i) = v1d
	499	ENDDO
	500	ENDDO
	501
[75]	502	IF ( humidity .OR. passive_scalar ) THEN
[667]	503	DO i = nxlg, nxrg
	504	DO j = nysg, nyng
[1]	505	q(:,j,i) = q_init
	506	ENDDO
	507	ENDDO
	508	ENDIF
	509
	510	IF ( .NOT. constant_diffusion ) THEN
[667]	511	DO i = nxlg, nxrg
	512	DO j = nysg, nyng
[1]	513	e(:,j,i) = e1d
	514	ENDDO
	515	ENDDO
	516	!
	517	!-- Store initial profiles for output purposes etc.
	518	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	519
	520	IF ( prandtl_layer ) THEN
	521	rif = rif1d(nzb+1)
	522	ts = 0.0 ! could actually be computed more accurately in the
	523	! 1D model. Update when opportunity arises.
	524	us = us1d
	525	usws = usws1d
	526	vsws = vsws1d
	527	ELSE
	528	ts = 0.0 ! must be set, because used in
	529	rif = 0.0 ! flowste
	530	us = 0.0
	531	usws = 0.0
	532	vsws = 0.0
	533	ENDIF
	534
	535	ELSE
	536	e = 0.0 ! must be set, because used in
	537	rif = 0.0 ! flowste
	538	ts = 0.0
	539	us = 0.0
	540	usws = 0.0
	541	vsws = 0.0
	542	ENDIF
[102]	543	uswst = top_momentumflux_u
	544	vswst = top_momentumflux_v
[1]	545
	546	!
	547	!-- In every case qs = 0.0 (see also pt)
	548	!-- This could actually be computed more accurately in the 1D model.
	549	!-- Update when opportunity arises!
[75]	550	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	551
	552	!
	553	!-- inside buildings set velocities back to zero
	554	IF ( topography /= 'flat' ) THEN
	555	DO i = nxl-1, nxr+1
	556	DO j = nys-1, nyn+1
	557	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	558	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	559	ENDDO
	560	ENDDO
[667]	561
[1]	562	!
	563	!-- WARNING: The extra boundary conditions set after running the
	564	!-- ------- 1D model impose an error on the divergence one layer
	565	!-- below the topography; need to correct later
	566	!-- ATTENTION: Provisional correction for Piacsek & Williams
	567	!-- --------- advection scheme: keep u and v zero one layer below
	568	!-- the topography.
	569	!
[667]	570	!-- Following was removed, because mirror boundary condition are
	571	!-- replaced by dirichlet boundary conditions
[1]	572	!
[667]	573	! IF ( ibc_uv_b == 0 ) THEN
	574	!!
	575	!!-- Satisfying the Dirichlet condition with an extra layer below
	576	!!-- the surface where the u and v component change their sign.
	577	! DO i = nxl-1, nxr+1
	578	! DO j = nys-1, nyn+1
	579	! IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = -u(1,j,i)
	580	! IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = -v(1,j,i)
	581	! ENDDO
	582	! ENDDO
	583	!
	584	! ELSE
	585	IF ( ibc_uv_b == 1 ) THEN
	586	!
[1]	587	!-- Neumann condition
	588	DO i = nxl-1, nxr+1
	589	DO j = nys-1, nyn+1
	590	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	591	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	592	ENDDO
	593	ENDDO
	594
	595	ENDIF
	596
	597	ENDIF
	598
	599	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	600	THEN
	601	!
	602	!-- Use constructed initial profiles (velocity constant with height,
	603	!-- temperature profile with constant gradient)
[667]	604	DO i = nxlg, nxrg
	605	DO j = nysg, nyng
[1]	606	pt(:,j,i) = pt_init
	607	u(:,j,i) = u_init
	608	v(:,j,i) = v_init
	609	ENDDO
	610	ENDDO
[75]	611
[1]	612	!
[292]	613	!-- Set initial horizontal velocities at the lowest computational grid
	614	!-- levels to zero in order to avoid too small time steps caused by the
	615	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	616	!-- in the limiting formula!). The original values are stored to be later
	617	!-- used for volume flow control.
[667]	618	DO i = nxlg, nxrg
	619	DO j = nysg, nyng
[1]	620	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	621	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	622	ENDDO
	623	ENDDO
	624
[75]	625	IF ( humidity .OR. passive_scalar ) THEN
[667]	626	DO i = nxlg, nxrg
	627	DO j = nysg, nyng
[1]	628	q(:,j,i) = q_init
	629	ENDDO
	630	ENDDO
	631	ENDIF
	632
[94]	633	IF ( ocean ) THEN
[667]	634	DO i = nxlg, nxrg
	635	DO j = nysg, nyng
[94]	636	sa(:,j,i) = sa_init
	637	ENDDO
	638	ENDDO
	639	ENDIF
[1]	640
	641	IF ( constant_diffusion ) THEN
	642	km = km_constant
	643	kh = km / prandtl_number
[108]	644	e = 0.0
	645	ELSEIF ( e_init > 0.0 ) THEN
	646	DO k = nzb+1, nzt
	647	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	648	ENDDO
	649	km(nzb,:,:) = km(nzb+1,:,:)
	650	km(nzt+1,:,:) = km(nzt,:,:)
	651	kh = km / prandtl_number
	652	e = e_init
[1]	653	ELSE
[108]	654	IF ( .NOT. ocean ) THEN
	655	kh = 0.01 ! there must exist an initial diffusion, because
	656	km = 0.01 ! otherwise no TKE would be produced by the
	657	! production terms, as long as not yet
	658	! e = (u/cm)*2 at k=nzb+1
	659	ELSE
	660	kh = 0.00001
	661	km = 0.00001
	662	ENDIF
	663	e = 0.0
[1]	664	ENDIF
[102]	665	rif = 0.0
	666	ts = 0.0
	667	us = 0.0
	668	usws = 0.0
	669	uswst = top_momentumflux_u
	670	vsws = 0.0
	671	vswst = top_momentumflux_v
[75]	672	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	673
	674	!
	675	!-- Compute initial temperature field and other constants used in case
	676	!-- of a sloping surface
	677	IF ( sloping_surface ) CALL init_slope
	678
[46]	679	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	680	THEN
	681	!
	682	!-- Initialization will completely be done by the user
	683	CALL user_init_3d_model
	684
[1]	685	ENDIF
[667]	686	!
	687	!-- Bottom boundary
	688	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
	689	u(nzb,:,:) = 0.0
	690	v(nzb,:,:) = 0.0
	691	ENDIF
[1]	692
	693	!
[151]	694	!-- Apply channel flow boundary condition
[132]	695	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	696
	697	u(nzt+1,:,:) = 0.0
	698	v(nzt+1,:,:) = 0.0
	699
[151]	700	!-- For the Dirichlet condition to be correctly applied at the top, set
[132]	701	!-- ug and vg to zero there
	702	ug(nzt+1) = 0.0
	703	vg(nzt+1) = 0.0
	704
	705	ENDIF
	706
	707	!
[1]	708	!-- Calculate virtual potential temperature
[75]	709	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	710
	711	!
	712	!-- Store initial profiles for output purposes etc.
	713	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	714	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	715	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
	716	hom(nzb,1,5,:) = 0.0
	717	hom(nzb,1,6,:) = 0.0
[1]	718	ENDIF
	719	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	720	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	721	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	722
[97]	723	IF ( ocean ) THEN
	724	!
	725	!-- Store initial salinity profile
	726	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	727	ENDIF
[1]	728
[75]	729	IF ( humidity ) THEN
[1]	730	!
	731	!-- Store initial profile of total water content, virtual potential
	732	!-- temperature
	733	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	734	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	735	IF ( cloud_physics .OR. cloud_droplets ) THEN
	736	!
	737	!-- Store initial profile of specific humidity and potential
	738	!-- temperature
	739	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	740	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	741	ENDIF
	742	ENDIF
	743
	744	IF ( passive_scalar ) THEN
	745	!
	746	!-- Store initial scalar profile
	747	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	748	ENDIF
	749
	750	!
[19]	751	!-- Initialize fluxes at bottom surface
[1]	752	IF ( use_surface_fluxes ) THEN
	753
	754	IF ( constant_heatflux ) THEN
	755	!
	756	!-- Heat flux is prescribed
	757	IF ( random_heatflux ) THEN
	758	CALL disturb_heatflux
	759	ELSE
	760	shf = surface_heatflux
	761	!
	762	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	763	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	764	DO i = nxlg, nxrg
	765	DO j = nysg, nyng
[1]	766	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	767	shf(j,i) = wall_heatflux(0)
	768	ENDIF
	769	ENDDO
	770	ENDDO
	771	ENDIF
	772	ENDIF
	773	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
	774	ENDIF
	775
	776	!
	777	!-- Determine the near-surface water flux
[75]	778	IF ( humidity .OR. passive_scalar ) THEN
[1]	779	IF ( constant_waterflux ) THEN
	780	qsws = surface_waterflux
[407]	781	!
	782	!-- Over topography surface_waterflux is replaced by
	783	!-- wall_humidityflux(0)
	784	IF ( TRIM( topography ) /= 'flat' ) THEN
	785	wall_qflux = wall_humidityflux
[667]	786	DO i = nxlg, nxrg
	787	DO j = nysg, nyng
[407]	788	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	789	qsws(j,i) = wall_qflux(0)
	790	ENDIF
	791	ENDDO
	792	ENDDO
	793	ENDIF
[1]	794	IF ( ASSOCIATED( qsws_m ) ) qsws_m = qsws
	795	ENDIF
	796	ENDIF
	797
	798	ENDIF
	799
	800	!
[19]	801	!-- Initialize fluxes at top surface
[94]	802	!-- Currently, only the heatflux and salinity flux can be prescribed.
	803	!-- The latent flux is zero in this case!
[19]	804	IF ( use_top_fluxes ) THEN
	805
	806	IF ( constant_top_heatflux ) THEN
	807	!
	808	!-- Heat flux is prescribed
	809	tswst = top_heatflux
	810	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	811
[75]	812	IF ( humidity .OR. passive_scalar ) THEN
[19]	813	qswst = 0.0
	814	IF ( ASSOCIATED( qswst_m ) ) qswst_m = qswst
	815	ENDIF
[94]	816
	817	IF ( ocean ) THEN
[95]	818	saswsb = bottom_salinityflux
[94]	819	saswst = top_salinityflux
	820	ENDIF
[102]	821	ENDIF
[19]	822
[102]	823	!
	824	!-- Initialization in case of a coupled model run
	825	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	826	tswst = 0.0
	827	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	828	ENDIF
	829
[19]	830	ENDIF
	831
	832	!
[1]	833	!-- Initialize Prandtl layer quantities
	834	IF ( prandtl_layer ) THEN
	835
	836	z0 = roughness_length
	837
	838	IF ( .NOT. constant_heatflux ) THEN
	839	!
	840	!-- Surface temperature is prescribed. Here the heat flux cannot be
	841	!-- simply estimated, because therefore rif, u* and theta* would have
	842	!-- to be computed by iteration. This is why the heat flux is assumed
	843	!-- to be zero before the first time step. It approaches its correct
	844	!-- value in the course of the first few time steps.
	845	shf = 0.0
	846	IF ( ASSOCIATED( shf_m ) ) shf_m = 0.0
	847	ENDIF
	848
[75]	849	IF ( humidity .OR. passive_scalar ) THEN
[1]	850	IF ( .NOT. constant_waterflux ) THEN
	851	qsws = 0.0
	852	IF ( ASSOCIATED( qsws_m ) ) qsws_m = 0.0
	853	ENDIF
	854	ENDIF
	855
	856	ENDIF
	857
[152]	858
	859	!
[707]	860	!-- For the moment, vertical velocity is zero
	861	w = 0.0
[1]	862
	863	!
	864	!-- Initialize array sums (must be defined in first call of pres)
	865	sums = 0.0
	866
	867	!
[707]	868	!-- In case of iterative solvers, p must get an initial value
	869	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0
	870
	871	!
[72]	872	!-- Treating cloud physics, liquid water content and precipitation amount
	873	!-- are zero at beginning of the simulation
	874	IF ( cloud_physics ) THEN
	875	ql = 0.0
	876	IF ( precipitation ) precipitation_amount = 0.0
	877	ENDIF
[673]	878
	879	!
	880	!-- Initialize quantities for special advections schemes
	881	CALL init_advec
[1]	882
	883	!
	884	!-- Impose vortex with vertical axis on the initial velocity profile
	885	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	886	CALL init_rankine
	887	ENDIF
	888
	889	!
	890	!-- Impose temperature anomaly (advection test only)
	891	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	892	CALL init_pt_anomaly
	893	ENDIF
	894
	895	!
	896	!-- If required, change the surface temperature at the start of the 3D run
	897	IF ( pt_surface_initial_change /= 0.0 ) THEN
	898	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	899	ENDIF
	900
	901	!
	902	!-- If required, change the surface humidity/scalar at the start of the 3D
	903	!-- run
[75]	904	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	905	q_surface_initial_change /= 0.0 ) THEN
	906	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	907	ENDIF
	908
	909	!
	910	!-- Initialize the random number generator (from numerical recipes)
	911	CALL random_function_ini
	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
[667]	933
[94]	934
[147]	935	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	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
[559]	942
[759]	943	DO i = 0, io_blocks-1
	944	IF ( i == io_group ) THEN
	945	CALL read_parts_of_var_list
	946	CALL close_file( 13 )
	947	ENDIF
	948	#if defined( __parallel )
	949	CALL MPI_BARRIER( comm2d, ierr )
	950	#endif
	951	ENDDO
[328]	952
[151]	953	!
[328]	954	!-- Initialization of the turbulence recycling method
	955	IF ( turbulent_inflow ) THEN
	956	!
	957	!-- Store temporally and horizontally averaged vertical profiles to be
	958	!-- used as mean inflow profiles
	959	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	960
[328]	961	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	962	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
	963	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	964	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	965
	966	!
[328]	967	!-- Use these mean profiles for the inflow (provided that Dirichlet
	968	!-- conditions are used)
	969	IF ( inflow_l ) THEN
[667]	970	DO j = nysg, nyng
[328]	971	DO k = nzb, nzt+1
[667]	972	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	973	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
	974	w(k,j,nxlg:-1) = 0.0
	975	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	976	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[328]	977	ENDDO
[151]	978	ENDDO
[328]	979	ENDIF
[151]	980
	981	!
[328]	982	!-- Calculate the damping factors to be used at the inflow. For a
	983	!-- turbulent inflow the turbulent fluctuations have to be limited
	984	!-- vertically because otherwise the turbulent inflow layer will grow
	985	!-- in time.
	986	IF ( inflow_damping_height == 9999999.9 ) THEN
[151]	987	!
[328]	988	!-- Default: use the inversion height calculated by the prerun; if
	989	!-- this is zero, inflow_damping_height must be explicitly
	990	!-- specified.
	991	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	992	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	993	ELSE
	994	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	995	'explicitly specified because&the inversion height ', &
	996	'calculated by the prerun is zero.'
	997	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
	998	ENDIF
	999
[292]	1000	ENDIF
[151]	1001
[328]	1002	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	1003	!
[328]	1004	!-- Default for the transition range: one tenth of the undamped
	1005	!-- layer
	1006	inflow_damping_width = 0.1 * inflow_damping_height
[151]	1007
[328]	1008	ENDIF
[151]	1009
[328]	1010	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1011
[328]	1012	DO k = nzb, nzt+1
[151]	1013
[328]	1014	IF ( zu(k) <= inflow_damping_height ) THEN
	1015	inflow_damping_factor(k) = 1.0
	1016	ELSEIF ( zu(k) <= inflow_damping_height + &
	1017	inflow_damping_width ) THEN
	1018	inflow_damping_factor(k) = 1.0 - &
[151]	1019	( zu(k) - inflow_damping_height ) / &
	1020	inflow_damping_width
[328]	1021	ELSE
	1022	inflow_damping_factor(k) = 0.0
	1023	ENDIF
[151]	1024
[328]	1025	ENDDO
	1026	ENDIF
[151]	1027
[147]	1028	ENDIF
	1029
[152]	1030	!
[163]	1031	!-- Read binary data from restart file
[759]	1032	DO i = 0, io_blocks-1
	1033	IF ( i == io_group ) THEN
[732]	1034	CALL read_3d_binary
[759]	1035	ENDIF
	1036	#if defined( __parallel )
	1037	CALL MPI_BARRIER( comm2d, ierr )
	1038	#endif
	1039	ENDDO
[163]	1040
	1041	!
[359]	1042	!-- Inside buildings set velocities and TKE back to zero
	1043	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1044	topography /= 'flat' ) THEN
	1045	!
	1046	!-- Inside buildings set velocities and TKE back to zero.
	1047	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1048	!-- maybe revise later.
	1049	IF ( timestep_scheme(1:5) == 'runge' ) THEN
[667]	1050	DO i = nxlg, nxrg
	1051	DO j = nysg, nyng
[359]	1052	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1053	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1054	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1055	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1056	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1057	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1058	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1059	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1060	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1061	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1062	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1063	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1064	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1065	ENDDO
	1066	ENDDO
	1067	ELSE
[667]	1068	DO i = nxlg, nxrg
	1069	DO j = nysg, nyng
[359]	1070	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1071	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1072	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1073	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1074	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1075	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1076	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1077	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1078	u_p(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1079	v_p(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1080	w_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1081	e_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1082	ENDDO
	1083	ENDDO
	1084	ENDIF
	1085
	1086	ENDIF
	1087
	1088	!
[1]	1089	!-- Calculate initial temperature field and other constants used in case
	1090	!-- of a sloping surface
	1091	IF ( sloping_surface ) CALL init_slope
	1092
	1093	!
	1094	!-- Initialize new time levels (only done in order to set boundary values
	1095	!-- including ghost points)
	1096	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[75]	1097	IF ( humidity .OR. passive_scalar ) q_p = q
[94]	1098	IF ( ocean ) sa_p = sa
[1]	1099
[181]	1100	!
	1101	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1102	!-- have to be predefined here because they are used (but multiplied with 0)
	1103	!-- there before they are set.
	1104	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1105	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	1106	IF ( humidity .OR. passive_scalar ) tq_m = 0.0
	1107	IF ( ocean ) tsa_m = 0.0
	1108	ENDIF
	1109
[1]	1110	ELSE
	1111	!
	1112	!-- Actually this part of the programm should not be reached
[254]	1113	message_string = 'unknown initializing problem'
	1114	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1115	ENDIF
	1116
[151]	1117
	1118	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1119	!
[151]	1120	!-- Initialize old timelevels needed for radiation boundary conditions
	1121	IF ( outflow_l ) THEN
	1122	u_m_l(:,:,:) = u(:,:,1:2)
	1123	v_m_l(:,:,:) = v(:,:,0:1)
	1124	w_m_l(:,:,:) = w(:,:,0:1)
	1125	ENDIF
	1126	IF ( outflow_r ) THEN
	1127	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1128	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1129	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1130	ENDIF
	1131	IF ( outflow_s ) THEN
	1132	u_m_s(:,:,:) = u(:,0:1,:)
	1133	v_m_s(:,:,:) = v(:,1:2,:)
	1134	w_m_s(:,:,:) = w(:,0:1,:)
	1135	ENDIF
	1136	IF ( outflow_n ) THEN
	1137	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1138	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1139	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1140	ENDIF
[667]	1141
[151]	1142	ENDIF
[680]	1143
[667]	1144	!
	1145	!-- Calculate the initial volume flow at the right and north boundary
[709]	1146	IF ( conserve_volume_flow ) THEN
[151]	1147
[667]	1148	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1149
[732]	1150	volume_flow_initial_l = 0.0
	1151	volume_flow_area_l = 0.0
	1152
[667]	1153	IF ( nxr == nx ) THEN
	1154	DO j = nys, nyn
[709]	1155	DO k = nzb_2d(j,nx)+1, nzt
[667]	1156	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1157	hom_sum(k,1,0) * dzw(k)
	1158	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1159	ENDDO
	1160	ENDDO
	1161	ENDIF
	1162
	1163	IF ( nyn == ny ) THEN
	1164	DO i = nxl, nxr
[709]	1165	DO k = nzb_2d(ny,i)+1, nzt
[667]	1166	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1167	hom_sum(k,2,0) * dzw(k)
[667]	1168	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1169	ENDDO
	1170	ENDDO
	1171	ENDIF
	1172
[732]	1173	#if defined( __parallel )
	1174	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1175	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1176	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1177	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1178
	1179	#else
	1180	volume_flow_initial = volume_flow_initial_l
	1181	volume_flow_area = volume_flow_area_l
	1182	#endif
	1183
[667]	1184	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1185
[732]	1186	volume_flow_initial_l = 0.0
	1187	volume_flow_area_l = 0.0
	1188
[667]	1189	IF ( nxr == nx ) THEN
	1190	DO j = nys, nyn
[709]	1191	DO k = nzb_2d(j,nx)+1, nzt
[667]	1192	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1193	u(k,j,nx) * dzw(k)
[667]	1194	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1195	ENDDO
	1196	ENDDO
	1197	ENDIF
	1198
	1199	IF ( nyn == ny ) THEN
	1200	DO i = nxl, nxr
[709]	1201	DO k = nzb_2d(ny,i)+1, nzt
[667]	1202	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1203	v(k,ny,i) * dzw(k)
	1204	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1205	ENDDO
	1206	ENDDO
	1207	ENDIF
	1208
	1209	#if defined( __parallel )
[732]	1210	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1211	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1212	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1213	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1214
	1215	#else
[732]	1216	volume_flow_initial = volume_flow_initial_l
	1217	volume_flow_area = volume_flow_area_l
[667]	1218	#endif
	1219
[732]	1220	ENDIF
	1221
[151]	1222	!
[709]	1223	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1224	!-- from u\|v_bulk instead
[680]	1225	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1226	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1227	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1228	ENDIF
[667]	1229
[680]	1230	ENDIF
	1231
	1232
[667]	1233	!
[680]	1234	!-- Impose random perturbation on the horizontal velocity field and then
	1235	!-- remove the divergences from the velocity field at the initial stage
	1236	IF ( create_disturbances .AND. &
	1237	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1238	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1239
	1240	CALL disturb_field( nzb_u_inner, tend, u )
	1241	CALL disturb_field( nzb_v_inner, tend, v )
	1242	n_sor = nsor_ini
	1243	CALL pres
	1244	n_sor = nsor
	1245	ENDIF
	1246
	1247	!
[138]	1248	!-- Initialization of the leaf area density
[709]	1249	IF ( plant_canopy ) THEN
[138]	1250
	1251	SELECT CASE ( TRIM( canopy_mode ) )
	1252
	1253	CASE( 'block' )
	1254
[667]	1255	DO i = nxlg, nxrg
	1256	DO j = nysg, nyng
[138]	1257	lad_s(:,j,i) = lad(:)
	1258	cdc(:,j,i) = drag_coefficient
[709]	1259	IF ( passive_scalar ) THEN
[153]	1260	sls(:,j,i) = leaf_surface_concentration
	1261	sec(:,j,i) = scalar_exchange_coefficient
	1262	ENDIF
[138]	1263	ENDDO
	1264	ENDDO
	1265
	1266	CASE DEFAULT
	1267
	1268	!
	1269	!-- The DEFAULT case is reached either if the parameter
	1270	!-- canopy mode contains a wrong character string or if the
	1271	!-- user has coded a special case in the user interface.
	1272	!-- There, the subroutine user_init_plant_canopy checks
	1273	!-- which of these two conditions applies.
	1274	CALL user_init_plant_canopy
	1275
	1276	END SELECT
	1277
[667]	1278	CALL exchange_horiz( lad_s, nbgp )
	1279	CALL exchange_horiz( cdc, nbgp )
[138]	1280
[709]	1281	IF ( passive_scalar ) THEN
[667]	1282	CALL exchange_horiz( sls, nbgp )
	1283	CALL exchange_horiz( sec, nbgp )
[153]	1284	ENDIF
	1285
	1286	!
	1287	!-- Sharp boundaries of the plant canopy in horizontal directions
	1288	!-- In vertical direction the interpolation is retained, as the leaf
	1289	!-- area density is initialised by prescribing a vertical profile
	1290	!-- consisting of piecewise linear segments. The upper boundary
	1291	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1292
[138]	1293	DO i = nxl, nxr
	1294	DO j = nys, nyn
	1295	DO k = nzb, nzt+1
[709]	1296	IF ( lad_s(k,j,i) > 0.0 ) THEN
[153]	1297	lad_u(k,j,i) = lad_s(k,j,i)
	1298	lad_u(k,j,i+1) = lad_s(k,j,i)
	1299	lad_v(k,j,i) = lad_s(k,j,i)
	1300	lad_v(k,j+1,i) = lad_s(k,j,i)
	1301	ENDIF
[138]	1302	ENDDO
	1303	DO k = nzb, nzt
	1304	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1305	ENDDO
	1306	ENDDO
	1307	ENDDO
	1308
[153]	1309	lad_w(pch_index,:,:) = 0.0
	1310	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1311
[667]	1312	CALL exchange_horiz( lad_u, nbgp )
	1313	CALL exchange_horiz( lad_v, nbgp )
	1314	CALL exchange_horiz( lad_w, nbgp )
[153]	1315
	1316	!
	1317	!-- Initialisation of the canopy heat source distribution
[709]	1318	IF ( cthf /= 0.0 ) THEN
[153]	1319	!
	1320	!-- Piecewise evaluation of the leaf area index by
	1321	!-- integration of the leaf area density
	1322	lai(:,:,:) = 0.0
[667]	1323	DO i = nxlg, nxrg
	1324	DO j = nysg, nyng
[153]	1325	DO k = pch_index-1, 0, -1
	1326	lai(k,j,i) = lai(k+1,j,i) + &
	1327	( 0.5 * ( lad_w(k+1,j,i) + &
	1328	lad_s(k+1,j,i) ) * &
	1329	( zw(k+1) - zu(k+1) ) ) + &
	1330	( 0.5 * ( lad_w(k,j,i) + &
	1331	lad_s(k+1,j,i) ) * &
	1332	( zu(k+1) - zw(k) ) )
	1333	ENDDO
	1334	ENDDO
	1335	ENDDO
	1336
	1337	!
	1338	!-- Evaluation of the upward kinematic vertical heat flux within the
	1339	!-- canopy
[667]	1340	DO i = nxlg, nxrg
	1341	DO j = nysg, nyng
[153]	1342	DO k = 0, pch_index
	1343	canopy_heat_flux(k,j,i) = cthf * &
	1344	exp( -0.6 * lai(k,j,i) )
	1345	ENDDO
	1346	ENDDO
	1347	ENDDO
	1348
	1349	!
	1350	!-- The near surface heat flux is derived from the heat flux
	1351	!-- distribution within the canopy
	1352	shf(:,:) = canopy_heat_flux(0,:,:)
	1353
[709]	1354	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
[153]	1355
	1356	ENDIF
	1357
[138]	1358	ENDIF
	1359
	1360	!
[1]	1361	!-- If required, initialize dvrp-software
	1362	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1363
[96]	1364	IF ( ocean ) THEN
[1]	1365	!
[96]	1366	!-- Initialize quantities needed for the ocean model
	1367	CALL init_ocean
[388]	1368
[96]	1369	ELSE
	1370	!
	1371	!-- Initialize quantities for handling cloud physics
	1372	!-- This routine must be called before init_particles, because
	1373	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
	1374	!-- init_particles) is not defined.
	1375	CALL init_cloud_physics
	1376	ENDIF
[1]	1377
	1378	!
	1379	!-- If required, initialize particles
[63]	1380	IF ( particle_advection ) CALL init_particles
[1]	1381
	1382	!
[673]	1383	!-- Initialize the ws-scheme.
	1384	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1385
	1386	!
[709]	1387	!-- Setting weighting factors for calculation of perturbation pressure
	1388	!-- and turbulent quantities from the RK substeps
	1389	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1390
[713]	1391	weight_substep(1) = 1./6.
	1392	weight_substep(2) = 3./10.
	1393	weight_substep(3) = 8./15.
[709]	1394
[713]	1395	weight_pres(1) = 1./3.
	1396	weight_pres(2) = 5./12.
	1397	weight_pres(3) = 1./4.
[709]	1398
	1399	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1400
[713]	1401	weight_substep(1) = 1./2.
	1402	weight_substep(2) = 1./2.
[673]	1403
[713]	1404	weight_pres(1) = 1./2.
	1405	weight_pres(2) = 1./2.
[709]	1406
	1407	ELSE ! for Euler- and leapfrog-method
	1408
[673]	1409	weight_substep(1) = 1.0
[709]	1410	weight_pres(1) = 1.0
	1411
[673]	1412	ENDIF
	1413
	1414	!
[1]	1415	!-- Initialize Rayleigh damping factors
	1416	rdf = 0.0
	1417	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1418	IF ( .NOT. ocean ) THEN
	1419	DO k = nzb+1, nzt
	1420	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1421	rdf(k) = rayleigh_damping_factor * &
[1]	1422	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1423	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1424	)**2
[108]	1425	ENDIF
	1426	ENDDO
	1427	ELSE
	1428	DO k = nzt, nzb+1, -1
	1429	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1430	rdf(k) = rayleigh_damping_factor * &
	1431	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1432	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1433	)**2
	1434	ENDIF
	1435	ENDDO
	1436	ENDIF
[1]	1437	ENDIF
	1438
	1439	!
[240]	1440	!-- Initialize the starting level and the vertical smoothing factor used for
	1441	!-- the external pressure gradient
	1442	dp_smooth_factor = 1.0
	1443	IF ( dp_external ) THEN
	1444	!
	1445	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1446	!-- (e.g. in init_grid).
	1447	IF ( dp_level_ind_b == 0 ) THEN
	1448	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1449	dp_level_ind_b = ind_array(1) - 1 + nzb
	1450	! MINLOC uses lower array bound 1
	1451	ENDIF
	1452	IF ( dp_smooth ) THEN
	1453	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1454	DO k = dp_level_ind_b+1, nzt
	1455	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1456	( REAL( k - dp_level_ind_b ) / &
	1457	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1458	ENDDO
	1459	ENDIF
	1460	ENDIF
	1461
	1462	!
[1]	1463	!-- Initialize diffusivities used within the outflow damping layer in case of
	1464	!-- non-cyclic lateral boundaries. A linear increase is assumed over the first
	1465	!-- half of the width of the damping layer
[707]	1466	IF ( bc_lr_dirrad ) THEN
[1]	1467
[667]	1468	DO i = nxlg, nxrg
[73]	1469	IF ( i >= nx - outflow_damping_width ) THEN
	1470	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1471	( i - ( nx - outflow_damping_width ) ) / &
	1472	REAL( outflow_damping_width/2 ) &
	1473	)
	1474	ELSE
	1475	km_damp_x(i) = 0.0
	1476	ENDIF
	1477	ENDDO
[1]	1478
[707]	1479	ELSEIF ( bc_lr_raddir ) THEN
[1]	1480
[667]	1481	DO i = nxlg, nxrg
[73]	1482	IF ( i <= outflow_damping_width ) THEN
	1483	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1484	( outflow_damping_width - i ) / &
	1485	REAL( outflow_damping_width/2 ) &
	1486	)
	1487	ELSE
	1488	km_damp_x(i) = 0.0
	1489	ENDIF
	1490	ENDDO
[1]	1491
[73]	1492	ENDIF
[1]	1493
[707]	1494	IF ( bc_ns_dirrad ) THEN
[1]	1495
[667]	1496	DO j = nysg, nyng
[73]	1497	IF ( j >= ny - outflow_damping_width ) THEN
	1498	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1499	( j - ( ny - outflow_damping_width ) ) / &
	1500	REAL( outflow_damping_width/2 ) &
	1501	)
	1502	ELSE
	1503	km_damp_y(j) = 0.0
[1]	1504	ENDIF
	1505	ENDDO
	1506
[707]	1507	ELSEIF ( bc_ns_raddir ) THEN
[1]	1508
[667]	1509	DO j = nysg, nyng
[73]	1510	IF ( j <= outflow_damping_width ) THEN
	1511	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1512	( outflow_damping_width - j ) / &
	1513	REAL( outflow_damping_width/2 ) &
	1514	)
	1515	ELSE
	1516	km_damp_y(j) = 0.0
[1]	1517	ENDIF
[73]	1518	ENDDO
[1]	1519
	1520	ENDIF
	1521
	1522	!
[709]	1523	!-- Initialize local summation arrays for routine flow_statistics.
	1524	!-- This is necessary because they may not yet have been initialized when they
	1525	!-- are called from flow_statistics (or - depending on the chosen model run -
	1526	!-- are never initialized)
[1]	1527	sums_divnew_l = 0.0
	1528	sums_divold_l = 0.0
	1529	sums_l_l = 0.0
	1530	sums_up_fraction_l = 0.0
	1531	sums_wsts_bc_l = 0.0
	1532
	1533	!
	1534	!-- Pre-set masks for regional statistics. Default is the total model domain.
	1535	rmask = 1.0
	1536
	1537	!
[51]	1538	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1539	!-- of allowed timeseries is exceeded
[1]	1540	CALL user_init
	1541
[51]	1542	IF ( dots_num > dots_max ) THEN
[254]	1543	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1544	' its maximum of dots_max = ', dots_max, &
[254]	1545	' &Please increase dots_max in modules.f90.'
	1546	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1547	ENDIF
	1548
[1]	1549	!
	1550	!-- Input binary data file is not needed anymore. This line must be placed
	1551	!-- after call of user_init!
	1552	CALL close_file( 13 )
	1553
	1554	!
	1555	!-- Compute total sum of active mask grid points
	1556	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1557	!-- total domain
	1558	!-- ngp_3d: number of grid points of the total domain
[132]	1559	ngp_2dh_outer_l = 0
	1560	ngp_2dh_outer = 0
	1561	ngp_2dh_s_inner_l = 0
	1562	ngp_2dh_s_inner = 0
	1563	ngp_2dh_l = 0
	1564	ngp_2dh = 0
[485]	1565	ngp_3d_inner_l = 0.0
[132]	1566	ngp_3d_inner = 0
	1567	ngp_3d = 0
	1568	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1569
	1570	DO sr = 0, statistic_regions
	1571	DO i = nxl, nxr
	1572	DO j = nys, nyn
	1573	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1574	!
	1575	!-- All xy-grid points
	1576	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1577	!
	1578	!-- xy-grid points above topography
	1579	DO k = nzb_s_outer(j,i), nz + 1
	1580	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1581	ENDDO
[132]	1582	DO k = nzb_s_inner(j,i), nz + 1
	1583	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1584	ENDDO
[1]	1585	!
	1586	!-- All grid points of the total domain above topography
	1587	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1588	( nz - nzb_s_inner(j,i) + 2 )
	1589	ENDIF
	1590	ENDDO
	1591	ENDDO
	1592	ENDDO
	1593
	1594	sr = statistic_regions + 1
	1595	#if defined( __parallel )
[622]	1596	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1597	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1598	comm2d, ierr )
[622]	1599	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1600	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1601	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1602	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1603	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1604	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1605	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1606	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1607	MPI_SUM, comm2d, ierr )
[485]	1608	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1609	#else
[132]	1610	ngp_2dh = ngp_2dh_l
	1611	ngp_2dh_outer = ngp_2dh_outer_l
	1612	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1613	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1614	#endif
	1615
[560]	1616	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1617	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1618
	1619	!
	1620	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1621	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1622	!-- the respective subdomain lie below the surface topography
[667]	1623	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1624	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1625	ngp_3d_inner(:) )
[667]	1626	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1627
[485]	1628	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1629
	1630
	1631	END SUBROUTINE init_3d_model

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