Home

Context Navigation

source: palm/trunk/SOURCE/init_3d_model.f90 @ 750

Last change on this file since 750 was 732, checked in by raasch, 13 years ago
preliminary bugfix for volume flow control
Property svn:keywords set to `Id`
File size: 56.4 KB

Rev	Line
[1]	1	#if defined( __ibmy_special )
	2	@PROCESS NOOPTimize
	3	#endif
	4	SUBROUTINE init_3d_model
	5
	6	!------------------------------------------------------------------------------!
[254]	7	! Current revisions:
[732]	8	! ------------------
	9	! Splitting of parallel I/O
	10	! Bugfix: No zero assignments to volume_flow_initial and volume_flow_area in
	11	! case of normal restart runs.
[708]	12	!
	13	! Former revisions:
	14	! -----------------
	15	! $Id: init_3d_model.f90 732 2011-07-07 13:14:29Z suehring $
	16	!
[714]	17	! 713 2011-03-30 14:21:21Z suehring
[732]	18	! weight_substep and weight_pres are given as fractions.
[714]	19	!
[710]	20	! 709 2011-03-30 09:31:40Z raasch
	21	! formatting adjustments
	22	!
[708]	23	! 707 2011-03-29 11:39:40Z raasch
[707]	24	! p_sub renamed p_loc and allocated depending on the chosen pressure solver,
	25	! initial assignments of zero to array p for iterative solvers only,
	26	! bc_lr/ns replaced by bc_lr/ns_dirrad/raddir
[674]	27	!
[708]	28	! 680 2011-02-04 23:16:06Z gryschka
[681]	29	! bugfix: volume_flow_control
[668]	30	!
[674]	31	! 673 2011-01-18 16:19:48Z suehring
	32	! weight_substep (moved from advec_ws) and weight_pres added.
	33	! Allocate p_sub when using Multigrid or SOR solver.
	34	! Call of ws_init moved behind the if requests.
	35	!
[668]	36	! 667 2010-12-23 12:06:00Z suehring/gryschka
[667]	37	! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng in loops and
	38	! allocation of arrays. Calls of exchange_horiz are modified.
[709]	39	! Call ws_init to initialize arrays needed for calculating statisticas and for
[667]	40	! optimization when ws-scheme is used.
	41	! Initial volume flow is now calculated by using the variable hom_sum.
	42	! Therefore the correction of initial volume flow for non-flat topography
	43	! removed (removed u_nzb_p1_for_vfc and v_nzb_p1_for_vfc)
	44	! Changed surface boundary conditions for u and v in case of ibc_uv_b == 0 from
[709]	45	! mirror to Dirichlet boundary conditions (u=v=0), so that k=nzb is
	46	! representative for the height z0.
[667]	47	! Bugfix: type conversion of '1' to 64bit for the MAX function (ngp_3d_inner)
	48	!
[623]	49	! 622 2010-12-10 08:08:13Z raasch
	50	! optional barriers included in order to speed up collective operations
	51	!
[561]	52	! 560 2010-09-09 10:06:09Z weinreis
	53	! bugfix: correction of calculating ngp_3d for 64 bit
	54	!
[486]	55	! 485 2010-02-05 10:57:51Z raasch
	56	! calculation of ngp_3d + ngp_3d_inner changed because they have now 64 bit
	57	!
[482]	58	! 407 2009-12-01 15:01:15Z maronga
	59	! var_ts is replaced by dots_max
	60	! Enabled passive scalar/humidity wall fluxes for non-flat topography
	61	!
[392]	62	! 388 2009-09-23 09:40:33Z raasch
[388]	63	! Initialization of prho added.
[359]	64	! bugfix: correction of initial volume flow for non-flat topography
	65	! bugfix: zero initialization of arrays within buildings for 'cyclic_fill'
[333]	66	! bugfix: avoid that ngp_2dh_s_inner becomes zero
[328]	67	! initializing_actions='read_data_for_recycling' renamed to 'cyclic_fill', now
	68	! independent of turbulent_inflow
[254]	69	! Output of messages replaced by message handling routine.
[240]	70	! Set the starting level and the vertical smoothing factor used for
	71	! the external pressure gradient
[254]	72	! +conserve_volume_flow_mode: 'default', 'initial_profiles', 'inflow_profile'
[241]	73	! and 'bulk_velocity'
[292]	74	! If the inversion height calculated by the prerun is zero,
	75	! inflow_damping_height must be explicitly specified.
[139]	76	!
[198]	77	! 181 2008-07-30 07:07:47Z raasch
	78	! bugfix: zero assignments to tendency arrays in case of restarts,
	79	! further extensions and modifications in the initialisation of the plant
	80	! canopy model,
	81	! allocation of hom_sum moved to parin, initialization of spectrum_x\|y directly
	82	! after allocating theses arrays,
	83	! read data for recycling added as new initialization option,
	84	! dummy allocation for diss
	85	!
[139]	86	! 138 2007-11-28 10:03:58Z letzel
[132]	87	! New counter ngp_2dh_s_inner.
	88	! Allow new case bc_uv_t = 'dirichlet_0' for channel flow.
	89	! Corrected calculation of initial volume flow for 'set_1d-model_profiles' and
	90	! 'set_constant_profiles' in case of buildings in the reference cross-sections.
[77]	91	!
[110]	92	! 108 2007-08-24 15:10:38Z letzel
	93	! Flux initialization in case of coupled runs, +momentum fluxes at top boundary,
	94	! +arrays for phase speed c_u, c_v, c_w, indices for u\|v\|w_m_l\|r changed
	95	! +qswst_remote in case of atmosphere model with humidity coupled to ocean
	96	! Rayleigh damping for ocean, optionally calculate km and kh from initial
	97	! TKE e_init
	98	!
[98]	99	! 97 2007-06-21 08:23:15Z raasch
	100	! Initialization of salinity, call of init_ocean
	101	!
[90]	102	! 87 2007-05-22 15:46:47Z raasch
	103	! var_hom and var_sum renamed pr_palm
	104	!
[77]	105	! 75 2007-03-22 09:54:05Z raasch
[73]	106	! Arrays for radiation boundary conditions are allocated (u_m_l, u_m_r, etc.),
	107	! bugfix for cases with the outflow damping layer extending over more than one
[75]	108	! subdomain, moisture renamed humidity,
	109	! new initializing action "by_user" calls user_init_3d_model,
[72]	110	! precipitation_amount/rate, ts_value are allocated, +module netcdf_control,
[51]	111	! initial velocities at nzb+1 are regarded for volume
	112	! flow control in case they have been set zero before (to avoid small timesteps)
[75]	113	! -uvmean_outflow, uxrp, vynp eliminated
[1]	114	!
[39]	115	! 19 2007-02-23 04:53:48Z raasch
	116	! +handling of top fluxes
	117	!
[3]	118	! RCS Log replace by Id keyword, revision history cleaned up
	119	!
[1]	120	! Revision 1.49 2006/08/22 15:59:07 raasch
	121	! No optimization of this file on the ibmy (Yonsei Univ.)
	122	!
	123	! Revision 1.1 1998/03/09 16:22:22 raasch
	124	! Initial revision
	125	!
	126	!
	127	! Description:
	128	! ------------
	129	! Allocation of arrays and initialization of the 3D model via
	130	! a) pre-run the 1D model
	131	! or
	132	! b) pre-set constant linear profiles
	133	! or
	134	! c) read values of a previous run
	135	!------------------------------------------------------------------------------!
	136
[667]	137	USE advec_ws
[1]	138	USE arrays_3d
	139	USE averaging
[72]	140	USE cloud_parameters
[1]	141	USE constants
	142	USE control_parameters
	143	USE cpulog
	144	USE indices
	145	USE interfaces
	146	USE model_1d
[51]	147	USE netcdf_control
[1]	148	USE particle_attributes
	149	USE pegrid
	150	USE profil_parameter
	151	USE random_function_mod
	152	USE statistics
	153
	154	IMPLICIT NONE
	155
[559]	156	INTEGER :: i, ind_array(1), j, k, sr
[1]	157
[485]	158	INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l
[1]	159
[132]	160	INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l, &
	161	ngp_2dh_s_inner_l
[1]	162
[153]	163	REAL :: a, b
	164
[1]	165	REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l
	166
[485]	167	REAL, DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l, ngp_3d_inner_tmp
[1]	168
[485]	169
[1]	170	!
	171	!-- Allocate arrays
	172	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	173	ngp_3d(0:statistic_regions), &
	174	ngp_3d_inner(0:statistic_regions), &
	175	ngp_3d_inner_l(0:statistic_regions), &
[485]	176	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	177	sums_divnew_l(0:statistic_regions), &
	178	sums_divold_l(0:statistic_regions) )
[240]	179	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt) )
[143]	180	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	181	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	182	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	183	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[667]	184	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	185	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	186	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	187	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	188	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	189	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	190	ts_value(dots_max,0:statistic_regions) )
[667]	191	ALLOCATE( km_damp_x(nxlg:nxrg), km_damp_y(nysg:nyng) )
[1]	192
[667]	193	ALLOCATE( rif_1(nysg:nyng,nxlg:nxrg), shf_1(nysg:nyng,nxlg:nxrg), &
	194	ts(nysg:nyng,nxlg:nxrg), tswst_1(nysg:nyng,nxlg:nxrg), &
	195	us(nysg:nyng,nxlg:nxrg), usws_1(nysg:nyng,nxlg:nxrg), &
	196	uswst_1(nysg:nyng,nxlg:nxrg), &
	197	vsws_1(nysg:nyng,nxlg:nxrg), &
	198	vswst_1(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg) )
[1]	199
	200	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	201	!
	202	!-- Leapfrog scheme needs two timelevels of diffusion quantities
[667]	203	ALLOCATE( rif_2(nysg:nyng,nxlg:nxrg), &
	204	shf_2(nysg:nyng,nxlg:nxrg), &
	205	tswst_2(nysg:nyng,nxlg:nxrg), &
	206	usws_2(nysg:nyng,nxlg:nxrg), &
	207	uswst_2(nysg:nyng,nxlg:nxrg), &
	208	vswst_2(nysg:nyng,nxlg:nxrg), &
	209	vsws_2(nysg:nyng,nxlg:nxrg) )
[1]	210	ENDIF
	211
[75]	212	ALLOCATE( d(nzb+1:nzta,nys:nyna,nxl:nxra), &
[667]	213	e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	214	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	215	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	216	kh_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	217	km_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	218	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	219	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	220	pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	221	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	222	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	223	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	224	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	225	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	226	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	227	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	228	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	229	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	230	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	231	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[673]	232	!
[707]	233	!-- Following array is required for perturbation pressure within the iterative
	234	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	235	!-- the weighted average of the substeps and cannot be used in the Poisson
	236	!-- solver.
	237	IF ( psolver == 'sor' ) THEN
	238	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	239	ELSEIF ( psolver == 'multigrid' ) THEN
	240	!
	241	!-- For performance reasons, multigrid is using one ghost layer only
	242	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	243	ENDIF
[1]	244
	245	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	246	ALLOCATE( kh_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	247	km_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	248	ENDIF
	249
[75]	250	IF ( humidity .OR. passive_scalar ) THEN
[1]	251	!
[75]	252	!-- 2D-humidity/scalar arrays
[667]	253	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	254	qsws_1(nysg:nyng,nxlg:nxrg), &
	255	qswst_1(nysg:nyng,nxlg:nxrg) )
[1]	256
	257	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	258	ALLOCATE( qsws_2(nysg:nyng,nxlg:nxrg), &
	259	qswst_2(nysg:nyng,nxlg:nxrg) )
[1]	260	ENDIF
	261	!
[75]	262	!-- 3D-humidity/scalar arrays
[667]	263	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	264	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	265	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	266
	267	!
[75]	268	!-- 3D-arrays needed for humidity only
	269	IF ( humidity ) THEN
[667]	270	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	271
	272	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
[667]	273	ALLOCATE( vpt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	274	ENDIF
	275
	276	IF ( cloud_physics ) THEN
	277	!
	278	!-- Liquid water content
[667]	279	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[72]	280	!
	281	!-- Precipitation amount and rate (only needed if output is switched)
[667]	282	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	283	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1]	284	ENDIF
	285
	286	IF ( cloud_droplets ) THEN
	287	!
	288	!-- Liquid water content, change in liquid water content,
	289	!-- real volume of particles (with weighting), volume of particles
[667]	290	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	291	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	292	ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	293	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	294	ENDIF
	295
	296	ENDIF
	297
	298	ENDIF
	299
[94]	300	IF ( ocean ) THEN
[667]	301	ALLOCATE( saswsb_1(nysg:nyng,nxlg:nxrg), &
	302	saswst_1(nysg:nyng,nxlg:nxrg) )
	303	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	304	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	305	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	306	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	307	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	308	prho => prho_1
	309	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	310	! density to be apointer
[108]	311	IF ( humidity_remote ) THEN
[667]	312	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[108]	313	qswst_remote = 0.0
	314	ENDIF
[94]	315	ENDIF
	316
[1]	317	!
	318	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	319	!-- particle velocities
	320	IF ( use_sgs_for_particles ) THEN
[667]	321	ALLOCATE ( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[181]	322	ELSE
	323	ALLOCATE ( diss(2,2,2) ) ! required because diss is used as a
	324	! formal parameter
[1]	325	ENDIF
	326
	327	IF ( dt_dosp /= 9999999.9 ) THEN
	328	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	329	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[146]	330	spectrum_x = 0.0
	331	spectrum_y = 0.0
[1]	332	ENDIF
	333
	334	!
[138]	335	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
	336	IF ( plant_canopy ) THEN
[667]	337	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	339	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	340	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	342
	343	IF ( passive_scalar ) THEN
[667]	344	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	345	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	346	ENDIF
	347
	348	IF ( cthf /= 0.0 ) THEN
[667]	349	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	350	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[153]	351	ENDIF
	352
[138]	353	ENDIF
	354
	355	!
[51]	356	!-- 4D-array for storing the Rif-values at vertical walls
	357	IF ( topography /= 'flat' ) THEN
[667]	358	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[51]	359	rif_wall = 0.0
	360	ENDIF
	361
	362	!
[106]	363	!-- Arrays to store velocity data from t-dt and the phase speeds which
	364	!-- are needed for radiation boundary conditions
[73]	365	IF ( outflow_l ) THEN
[667]	366	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	367	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	368	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	369	ENDIF
	370	IF ( outflow_r ) THEN
[667]	371	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	372	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	373	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	374	ENDIF
[106]	375	IF ( outflow_l .OR. outflow_r ) THEN
[667]	376	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	377	c_w(nzb:nzt+1,nysg:nyng) )
[106]	378	ENDIF
[73]	379	IF ( outflow_s ) THEN
[667]	380	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	381	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	382	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	383	ENDIF
	384	IF ( outflow_n ) THEN
[667]	385	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	386	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	387	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	388	ENDIF
[106]	389	IF ( outflow_s .OR. outflow_n ) THEN
[667]	390	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	391	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	392	ENDIF
[73]	393
	394	!
[1]	395	!-- Initial assignment of the pointers
	396	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	397
[19]	398	rif_m => rif_1; rif => rif_2
	399	shf_m => shf_1; shf => shf_2
	400	tswst_m => tswst_1; tswst => tswst_2
	401	usws_m => usws_1; usws => usws_2
[102]	402	uswst_m => uswst_1; uswst => uswst_2
[19]	403	vsws_m => vsws_1; vsws => vsws_2
[102]	404	vswst_m => vswst_1; vswst => vswst_2
[1]	405	e_m => e_1; e => e_2; e_p => e_3; te_m => e_3
	406	kh_m => kh_1; kh => kh_2
	407	km_m => km_1; km => km_2
	408	pt_m => pt_1; pt => pt_2; pt_p => pt_3; tpt_m => pt_3
	409	u_m => u_1; u => u_2; u_p => u_3; tu_m => u_3
	410	v_m => v_1; v => v_2; v_p => v_3; tv_m => v_3
	411	w_m => w_1; w => w_2; w_p => w_3; tw_m => w_3
	412
[75]	413	IF ( humidity .OR. passive_scalar ) THEN
[19]	414	qsws_m => qsws_1; qsws => qsws_2
	415	qswst_m => qswst_1; qswst => qswst_2
[1]	416	q_m => q_1; q => q_2; q_p => q_3; tq_m => q_3
[75]	417	IF ( humidity ) vpt_m => vpt_1; vpt => vpt_2
[1]	418	IF ( cloud_physics ) ql => ql_1
	419	IF ( cloud_droplets ) THEN
	420	ql => ql_1
	421	ql_c => ql_2
	422	ENDIF
	423	ENDIF
	424
	425	ELSE
	426
[19]	427	rif => rif_1
	428	shf => shf_1
	429	tswst => tswst_1
	430	usws => usws_1
[102]	431	uswst => uswst_1
[19]	432	vsws => vsws_1
[102]	433	vswst => vswst_1
[19]	434	e => e_1; e_p => e_2; te_m => e_3; e_m => e_3
	435	kh => kh_1
	436	km => km_1
	437	pt => pt_1; pt_p => pt_2; tpt_m => pt_3; pt_m => pt_3
	438	u => u_1; u_p => u_2; tu_m => u_3; u_m => u_3
	439	v => v_1; v_p => v_2; tv_m => v_3; v_m => v_3
	440	w => w_1; w_p => w_2; tw_m => w_3; w_m => w_3
[1]	441
[75]	442	IF ( humidity .OR. passive_scalar ) THEN
[1]	443	qsws => qsws_1
[19]	444	qswst => qswst_1
[94]	445	q => q_1; q_p => q_2; tq_m => q_3; q_m => q_3
[75]	446	IF ( humidity ) vpt => vpt_1
[1]	447	IF ( cloud_physics ) ql => ql_1
	448	IF ( cloud_droplets ) THEN
	449	ql => ql_1
	450	ql_c => ql_2
	451	ENDIF
	452	ENDIF
	453
[94]	454	IF ( ocean ) THEN
[95]	455	saswsb => saswsb_1
[94]	456	saswst => saswst_1
	457	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	458	ENDIF
	459
[1]	460	ENDIF
[673]	461
[1]	462	!
[709]	463	!-- Allocate arrays containing the RK coefficient for calculation of
	464	!-- perturbation pressure and turbulent fluxes. At this point values are
	465	!-- set for pressure calculation during initialization (where no timestep
	466	!-- is done). Further below the values needed within the timestep scheme
	467	!-- will be set.
	468	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	469	weight_pres(1:intermediate_timestep_count_max) )
[709]	470	weight_substep = 1.0
	471	weight_pres = 1.0
	472	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	473
	474	!
[1]	475	!-- Initialize model variables
[147]	476	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	477	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	478	!
	479	!-- First model run of a possible job queue.
	480	!-- Initial profiles of the variables must be computes.
	481	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	482	!
	483	!-- Use solutions of the 1D model as initial profiles,
	484	!-- start 1D model
	485	CALL init_1d_model
	486	!
	487	!-- Transfer initial profiles to the arrays of the 3D model
[667]	488	DO i = nxlg, nxrg
	489	DO j = nysg, nyng
[1]	490	e(:,j,i) = e1d
	491	kh(:,j,i) = kh1d
	492	km(:,j,i) = km1d
	493	pt(:,j,i) = pt_init
	494	u(:,j,i) = u1d
	495	v(:,j,i) = v1d
	496	ENDDO
	497	ENDDO
	498
[75]	499	IF ( humidity .OR. passive_scalar ) THEN
[667]	500	DO i = nxlg, nxrg
	501	DO j = nysg, nyng
[1]	502	q(:,j,i) = q_init
	503	ENDDO
	504	ENDDO
	505	ENDIF
	506
	507	IF ( .NOT. constant_diffusion ) THEN
[667]	508	DO i = nxlg, nxrg
	509	DO j = nysg, nyng
[1]	510	e(:,j,i) = e1d
	511	ENDDO
	512	ENDDO
	513	!
	514	!-- Store initial profiles for output purposes etc.
	515	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	516
	517	IF ( prandtl_layer ) THEN
	518	rif = rif1d(nzb+1)
	519	ts = 0.0 ! could actually be computed more accurately in the
	520	! 1D model. Update when opportunity arises.
	521	us = us1d
	522	usws = usws1d
	523	vsws = vsws1d
	524	ELSE
	525	ts = 0.0 ! must be set, because used in
	526	rif = 0.0 ! flowste
	527	us = 0.0
	528	usws = 0.0
	529	vsws = 0.0
	530	ENDIF
	531
	532	ELSE
	533	e = 0.0 ! must be set, because used in
	534	rif = 0.0 ! flowste
	535	ts = 0.0
	536	us = 0.0
	537	usws = 0.0
	538	vsws = 0.0
	539	ENDIF
[102]	540	uswst = top_momentumflux_u
	541	vswst = top_momentumflux_v
[1]	542
	543	!
	544	!-- In every case qs = 0.0 (see also pt)
	545	!-- This could actually be computed more accurately in the 1D model.
	546	!-- Update when opportunity arises!
[75]	547	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	548
	549	!
	550	!-- inside buildings set velocities back to zero
	551	IF ( topography /= 'flat' ) THEN
	552	DO i = nxl-1, nxr+1
	553	DO j = nys-1, nyn+1
	554	u(nzb:nzb_u_inner(j,i),j,i) = 0.0
	555	v(nzb:nzb_v_inner(j,i),j,i) = 0.0
	556	ENDDO
	557	ENDDO
[667]	558
[1]	559	!
	560	!-- WARNING: The extra boundary conditions set after running the
	561	!-- ------- 1D model impose an error on the divergence one layer
	562	!-- below the topography; need to correct later
	563	!-- ATTENTION: Provisional correction for Piacsek & Williams
	564	!-- --------- advection scheme: keep u and v zero one layer below
	565	!-- the topography.
	566	!
[667]	567	!-- Following was removed, because mirror boundary condition are
	568	!-- replaced by dirichlet boundary conditions
[1]	569	!
[667]	570	! IF ( ibc_uv_b == 0 ) THEN
	571	!!
	572	!!-- Satisfying the Dirichlet condition with an extra layer below
	573	!!-- the surface where the u and v component change their sign.
	574	! DO i = nxl-1, nxr+1
	575	! DO j = nys-1, nyn+1
	576	! IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = -u(1,j,i)
	577	! IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = -v(1,j,i)
	578	! ENDDO
	579	! ENDDO
	580	!
	581	! ELSE
	582	IF ( ibc_uv_b == 1 ) THEN
	583	!
[1]	584	!-- Neumann condition
	585	DO i = nxl-1, nxr+1
	586	DO j = nys-1, nyn+1
	587	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	588	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	589	ENDDO
	590	ENDDO
	591
	592	ENDIF
	593
	594	ENDIF
	595
	596	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	597	THEN
	598	!
	599	!-- Use constructed initial profiles (velocity constant with height,
	600	!-- temperature profile with constant gradient)
[667]	601	DO i = nxlg, nxrg
	602	DO j = nysg, nyng
[1]	603	pt(:,j,i) = pt_init
	604	u(:,j,i) = u_init
	605	v(:,j,i) = v_init
	606	ENDDO
	607	ENDDO
[75]	608
[1]	609	!
[292]	610	!-- Set initial horizontal velocities at the lowest computational grid
	611	!-- levels to zero in order to avoid too small time steps caused by the
	612	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	613	!-- in the limiting formula!). The original values are stored to be later
	614	!-- used for volume flow control.
[667]	615	DO i = nxlg, nxrg
	616	DO j = nysg, nyng
[1]	617	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0
	618	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0
	619	ENDDO
	620	ENDDO
	621
[75]	622	IF ( humidity .OR. passive_scalar ) THEN
[667]	623	DO i = nxlg, nxrg
	624	DO j = nysg, nyng
[1]	625	q(:,j,i) = q_init
	626	ENDDO
	627	ENDDO
	628	ENDIF
	629
[94]	630	IF ( ocean ) THEN
[667]	631	DO i = nxlg, nxrg
	632	DO j = nysg, nyng
[94]	633	sa(:,j,i) = sa_init
	634	ENDDO
	635	ENDDO
	636	ENDIF
[1]	637
	638	IF ( constant_diffusion ) THEN
	639	km = km_constant
	640	kh = km / prandtl_number
[108]	641	e = 0.0
	642	ELSEIF ( e_init > 0.0 ) THEN
	643	DO k = nzb+1, nzt
	644	km(k,:,:) = 0.1 * l_grid(k) * SQRT( e_init )
	645	ENDDO
	646	km(nzb,:,:) = km(nzb+1,:,:)
	647	km(nzt+1,:,:) = km(nzt,:,:)
	648	kh = km / prandtl_number
	649	e = e_init
[1]	650	ELSE
[108]	651	IF ( .NOT. ocean ) THEN
	652	kh = 0.01 ! there must exist an initial diffusion, because
	653	km = 0.01 ! otherwise no TKE would be produced by the
	654	! production terms, as long as not yet
	655	! e = (u/cm)*2 at k=nzb+1
	656	ELSE
	657	kh = 0.00001
	658	km = 0.00001
	659	ENDIF
	660	e = 0.0
[1]	661	ENDIF
[102]	662	rif = 0.0
	663	ts = 0.0
	664	us = 0.0
	665	usws = 0.0
	666	uswst = top_momentumflux_u
	667	vsws = 0.0
	668	vswst = top_momentumflux_v
[75]	669	IF ( humidity .OR. passive_scalar ) qs = 0.0
[1]	670
	671	!
	672	!-- Compute initial temperature field and other constants used in case
	673	!-- of a sloping surface
	674	IF ( sloping_surface ) CALL init_slope
	675
[46]	676	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	677	THEN
	678	!
	679	!-- Initialization will completely be done by the user
	680	CALL user_init_3d_model
	681
[1]	682	ENDIF
[667]	683	!
	684	!-- Bottom boundary
	685	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
	686	u(nzb,:,:) = 0.0
	687	v(nzb,:,:) = 0.0
	688	ENDIF
[1]	689
	690	!
[151]	691	!-- Apply channel flow boundary condition
[132]	692	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
	693
	694	u(nzt+1,:,:) = 0.0
	695	v(nzt+1,:,:) = 0.0
	696
[151]	697	!-- For the Dirichlet condition to be correctly applied at the top, set
[132]	698	!-- ug and vg to zero there
	699	ug(nzt+1) = 0.0
	700	vg(nzt+1) = 0.0
	701
	702	ENDIF
	703
	704	!
[1]	705	!-- Calculate virtual potential temperature
[75]	706	IF ( humidity ) vpt = pt * ( 1.0 + 0.61 * q )
[1]	707
	708	!
	709	!-- Store initial profiles for output purposes etc.
	710	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	711	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	712	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
	713	hom(nzb,1,5,:) = 0.0
	714	hom(nzb,1,6,:) = 0.0
[1]	715	ENDIF
	716	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	717	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	718	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	719
[97]	720	IF ( ocean ) THEN
	721	!
	722	!-- Store initial salinity profile
	723	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	724	ENDIF
[1]	725
[75]	726	IF ( humidity ) THEN
[1]	727	!
	728	!-- Store initial profile of total water content, virtual potential
	729	!-- temperature
	730	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	731	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	732	IF ( cloud_physics .OR. cloud_droplets ) THEN
	733	!
	734	!-- Store initial profile of specific humidity and potential
	735	!-- temperature
	736	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	737	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	738	ENDIF
	739	ENDIF
	740
	741	IF ( passive_scalar ) THEN
	742	!
	743	!-- Store initial scalar profile
	744	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	745	ENDIF
	746
	747	!
[19]	748	!-- Initialize fluxes at bottom surface
[1]	749	IF ( use_surface_fluxes ) THEN
	750
	751	IF ( constant_heatflux ) THEN
	752	!
	753	!-- Heat flux is prescribed
	754	IF ( random_heatflux ) THEN
	755	CALL disturb_heatflux
	756	ELSE
	757	shf = surface_heatflux
	758	!
	759	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	760	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	761	DO i = nxlg, nxrg
	762	DO j = nysg, nyng
[1]	763	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	764	shf(j,i) = wall_heatflux(0)
	765	ENDIF
	766	ENDDO
	767	ENDDO
	768	ENDIF
	769	ENDIF
	770	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
	771	ENDIF
	772
	773	!
	774	!-- Determine the near-surface water flux
[75]	775	IF ( humidity .OR. passive_scalar ) THEN
[1]	776	IF ( constant_waterflux ) THEN
	777	qsws = surface_waterflux
[407]	778	!
	779	!-- Over topography surface_waterflux is replaced by
	780	!-- wall_humidityflux(0)
	781	IF ( TRIM( topography ) /= 'flat' ) THEN
	782	wall_qflux = wall_humidityflux
[667]	783	DO i = nxlg, nxrg
	784	DO j = nysg, nyng
[407]	785	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	786	qsws(j,i) = wall_qflux(0)
	787	ENDIF
	788	ENDDO
	789	ENDDO
	790	ENDIF
[1]	791	IF ( ASSOCIATED( qsws_m ) ) qsws_m = qsws
	792	ENDIF
	793	ENDIF
	794
	795	ENDIF
	796
	797	!
[19]	798	!-- Initialize fluxes at top surface
[94]	799	!-- Currently, only the heatflux and salinity flux can be prescribed.
	800	!-- The latent flux is zero in this case!
[19]	801	IF ( use_top_fluxes ) THEN
	802
	803	IF ( constant_top_heatflux ) THEN
	804	!
	805	!-- Heat flux is prescribed
	806	tswst = top_heatflux
	807	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	808
[75]	809	IF ( humidity .OR. passive_scalar ) THEN
[19]	810	qswst = 0.0
	811	IF ( ASSOCIATED( qswst_m ) ) qswst_m = qswst
	812	ENDIF
[94]	813
	814	IF ( ocean ) THEN
[95]	815	saswsb = bottom_salinityflux
[94]	816	saswst = top_salinityflux
	817	ENDIF
[102]	818	ENDIF
[19]	819
[102]	820	!
	821	!-- Initialization in case of a coupled model run
	822	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
	823	tswst = 0.0
	824	IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst
	825	ENDIF
	826
[19]	827	ENDIF
	828
	829	!
[1]	830	!-- Initialize Prandtl layer quantities
	831	IF ( prandtl_layer ) THEN
	832
	833	z0 = roughness_length
	834
	835	IF ( .NOT. constant_heatflux ) THEN
	836	!
	837	!-- Surface temperature is prescribed. Here the heat flux cannot be
	838	!-- simply estimated, because therefore rif, u* and theta* would have
	839	!-- to be computed by iteration. This is why the heat flux is assumed
	840	!-- to be zero before the first time step. It approaches its correct
	841	!-- value in the course of the first few time steps.
	842	shf = 0.0
	843	IF ( ASSOCIATED( shf_m ) ) shf_m = 0.0
	844	ENDIF
	845
[75]	846	IF ( humidity .OR. passive_scalar ) THEN
[1]	847	IF ( .NOT. constant_waterflux ) THEN
	848	qsws = 0.0
	849	IF ( ASSOCIATED( qsws_m ) ) qsws_m = 0.0
	850	ENDIF
	851	ENDIF
	852
	853	ENDIF
	854
[152]	855
	856	!
[707]	857	!-- For the moment, vertical velocity is zero
	858	w = 0.0
[1]	859
	860	!
	861	!-- Initialize array sums (must be defined in first call of pres)
	862	sums = 0.0
	863
	864	!
[707]	865	!-- In case of iterative solvers, p must get an initial value
	866	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0
	867
	868	!
[72]	869	!-- Treating cloud physics, liquid water content and precipitation amount
	870	!-- are zero at beginning of the simulation
	871	IF ( cloud_physics ) THEN
	872	ql = 0.0
	873	IF ( precipitation ) precipitation_amount = 0.0
	874	ENDIF
[673]	875
	876	!
	877	!-- Initialize quantities for special advections schemes
	878	CALL init_advec
[1]	879
	880	!
	881	!-- Impose vortex with vertical axis on the initial velocity profile
	882	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	883	CALL init_rankine
	884	ENDIF
	885
	886	!
	887	!-- Impose temperature anomaly (advection test only)
	888	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	889	CALL init_pt_anomaly
	890	ENDIF
	891
	892	!
	893	!-- If required, change the surface temperature at the start of the 3D run
	894	IF ( pt_surface_initial_change /= 0.0 ) THEN
	895	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	896	ENDIF
	897
	898	!
	899	!-- If required, change the surface humidity/scalar at the start of the 3D
	900	!-- run
[75]	901	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1]	902	q_surface_initial_change /= 0.0 ) THEN
	903	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	904	ENDIF
	905
	906	!
	907	!-- Initialize the random number generator (from numerical recipes)
	908	CALL random_function_ini
	909
	910	!
	911	!-- Initialize old and new time levels.
	912	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
	913	e_m = e; pt_m = pt; u_m = u; v_m = v; w_m = w; kh_m = kh; km_m = km
	914	ELSE
	915	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	916	ENDIF
	917	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	918
[75]	919	IF ( humidity .OR. passive_scalar ) THEN
[1]	920	IF ( ASSOCIATED( q_m ) ) q_m = q
	921	IF ( timestep_scheme(1:5) == 'runge' ) tq_m = 0.0
	922	q_p = q
[75]	923	IF ( humidity .AND. ASSOCIATED( vpt_m ) ) vpt_m = vpt
[1]	924	ENDIF
	925
[94]	926	IF ( ocean ) THEN
	927	tsa_m = 0.0
	928	sa_p = sa
	929	ENDIF
[667]	930
[94]	931
[147]	932	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	933	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	934	THEN
	935	!
[328]	936	!-- When reading data for cyclic fill of 3D prerun data, first read
[147]	937	!-- some of the global variables from restart file
[328]	938	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	939
	940	CALL read_parts_of_var_list
[147]	941	CALL close_file( 13 )
[328]	942
[151]	943	!
[328]	944	!-- Initialization of the turbulence recycling method
	945	IF ( turbulent_inflow ) THEN
	946	!
	947	!-- Store temporally and horizontally averaged vertical profiles to be
	948	!-- used as mean inflow profiles
	949	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	950
[328]	951	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	952	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
	953	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	954	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	955
	956	!
[328]	957	!-- Use these mean profiles for the inflow (provided that Dirichlet
	958	!-- conditions are used)
	959	IF ( inflow_l ) THEN
[667]	960	DO j = nysg, nyng
[328]	961	DO k = nzb, nzt+1
[667]	962	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	963	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
	964	w(k,j,nxlg:-1) = 0.0
	965	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	966	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
[328]	967	ENDDO
[151]	968	ENDDO
[328]	969	ENDIF
[151]	970
	971	!
[328]	972	!-- Calculate the damping factors to be used at the inflow. For a
	973	!-- turbulent inflow the turbulent fluctuations have to be limited
	974	!-- vertically because otherwise the turbulent inflow layer will grow
	975	!-- in time.
	976	IF ( inflow_damping_height == 9999999.9 ) THEN
[151]	977	!
[328]	978	!-- Default: use the inversion height calculated by the prerun; if
	979	!-- this is zero, inflow_damping_height must be explicitly
	980	!-- specified.
	981	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0 ) THEN
	982	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	983	ELSE
	984	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	985	'explicitly specified because&the inversion height ', &
	986	'calculated by the prerun is zero.'
	987	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
	988	ENDIF
	989
[292]	990	ENDIF
[151]	991
[328]	992	IF ( inflow_damping_width == 9999999.9 ) THEN
[151]	993	!
[328]	994	!-- Default for the transition range: one tenth of the undamped
	995	!-- layer
	996	inflow_damping_width = 0.1 * inflow_damping_height
[151]	997
[328]	998	ENDIF
[151]	999
[328]	1000	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1001
[328]	1002	DO k = nzb, nzt+1
[151]	1003
[328]	1004	IF ( zu(k) <= inflow_damping_height ) THEN
	1005	inflow_damping_factor(k) = 1.0
	1006	ELSEIF ( zu(k) <= inflow_damping_height + &
	1007	inflow_damping_width ) THEN
	1008	inflow_damping_factor(k) = 1.0 - &
[151]	1009	( zu(k) - inflow_damping_height ) / &
	1010	inflow_damping_width
[328]	1011	ELSE
	1012	inflow_damping_factor(k) = 0.0
	1013	ENDIF
[151]	1014
[328]	1015	ENDDO
	1016	ENDIF
[151]	1017
[147]	1018	ENDIF
	1019
[152]	1020	!
[163]	1021	!-- Read binary data from restart file
[732]	1022	! DO i = 0, io_blocks-1
	1023	! IF ( i == io_group ) THEN
	1024	CALL read_3d_binary
	1025	! ENDIF
	1026	!#if defined( __parallel )
	1027	! CALL MPI_BARRIER( comm2d, ierr )
	1028	!#endif
	1029	! ENDDO
[163]	1030
	1031	!
[359]	1032	!-- Inside buildings set velocities and TKE back to zero
	1033	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1034	topography /= 'flat' ) THEN
	1035	!
	1036	!-- Inside buildings set velocities and TKE back to zero.
	1037	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1038	!-- maybe revise later.
	1039	IF ( timestep_scheme(1:5) == 'runge' ) THEN
[667]	1040	DO i = nxlg, nxrg
	1041	DO j = nysg, nyng
[359]	1042	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1043	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1044	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1045	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1046	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1047	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1048	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1049	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1050	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1051	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1052	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1053	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1054	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1055	ENDDO
	1056	ENDDO
	1057	ELSE
[667]	1058	DO i = nxlg, nxrg
	1059	DO j = nysg, nyng
[359]	1060	u (nzb:nzb_u_inner(j,i),j,i) = 0.0
	1061	v (nzb:nzb_v_inner(j,i),j,i) = 0.0
	1062	w (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1063	e (nzb:nzb_w_inner(j,i),j,i) = 0.0
	1064	u_m(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1065	v_m(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1066	w_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1067	e_m(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1068	u_p(nzb:nzb_u_inner(j,i),j,i) = 0.0
	1069	v_p(nzb:nzb_v_inner(j,i),j,i) = 0.0
	1070	w_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1071	e_p(nzb:nzb_w_inner(j,i),j,i) = 0.0
	1072	ENDDO
	1073	ENDDO
	1074	ENDIF
	1075
	1076	ENDIF
	1077
	1078	!
[1]	1079	!-- Calculate initial temperature field and other constants used in case
	1080	!-- of a sloping surface
	1081	IF ( sloping_surface ) CALL init_slope
	1082
	1083	!
	1084	!-- Initialize new time levels (only done in order to set boundary values
	1085	!-- including ghost points)
	1086	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[75]	1087	IF ( humidity .OR. passive_scalar ) q_p = q
[94]	1088	IF ( ocean ) sa_p = sa
[1]	1089
[181]	1090	!
	1091	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1092	!-- have to be predefined here because they are used (but multiplied with 0)
	1093	!-- there before they are set.
	1094	IF ( timestep_scheme(1:5) == 'runge' ) THEN
	1095	te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0
	1096	IF ( humidity .OR. passive_scalar ) tq_m = 0.0
	1097	IF ( ocean ) tsa_m = 0.0
	1098	ENDIF
	1099
[1]	1100	ELSE
	1101	!
	1102	!-- Actually this part of the programm should not be reached
[254]	1103	message_string = 'unknown initializing problem'
	1104	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1105	ENDIF
	1106
[151]	1107
	1108	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1109	!
[151]	1110	!-- Initialize old timelevels needed for radiation boundary conditions
	1111	IF ( outflow_l ) THEN
	1112	u_m_l(:,:,:) = u(:,:,1:2)
	1113	v_m_l(:,:,:) = v(:,:,0:1)
	1114	w_m_l(:,:,:) = w(:,:,0:1)
	1115	ENDIF
	1116	IF ( outflow_r ) THEN
	1117	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1118	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1119	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1120	ENDIF
	1121	IF ( outflow_s ) THEN
	1122	u_m_s(:,:,:) = u(:,0:1,:)
	1123	v_m_s(:,:,:) = v(:,1:2,:)
	1124	w_m_s(:,:,:) = w(:,0:1,:)
	1125	ENDIF
	1126	IF ( outflow_n ) THEN
	1127	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1128	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1129	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1130	ENDIF
[667]	1131
[151]	1132	ENDIF
[680]	1133
[667]	1134	!
	1135	!-- Calculate the initial volume flow at the right and north boundary
[709]	1136	IF ( conserve_volume_flow ) THEN
[151]	1137
[667]	1138	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1139
[732]	1140	volume_flow_initial_l = 0.0
	1141	volume_flow_area_l = 0.0
	1142
[667]	1143	IF ( nxr == nx ) THEN
	1144	DO j = nys, nyn
[709]	1145	DO k = nzb_2d(j,nx)+1, nzt
[667]	1146	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1147	hom_sum(k,1,0) * dzw(k)
	1148	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1149	ENDDO
	1150	ENDDO
	1151	ENDIF
	1152
	1153	IF ( nyn == ny ) THEN
	1154	DO i = nxl, nxr
[709]	1155	DO k = nzb_2d(ny,i)+1, nzt
[667]	1156	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1157	hom_sum(k,2,0) * dzw(k)
[667]	1158	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1159	ENDDO
	1160	ENDDO
	1161	ENDIF
	1162
[732]	1163	#if defined( __parallel )
	1164	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1165	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1166	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1167	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1168
	1169	#else
	1170	volume_flow_initial = volume_flow_initial_l
	1171	volume_flow_area = volume_flow_area_l
	1172	#endif
	1173
[667]	1174	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1175
[732]	1176	volume_flow_initial_l = 0.0
	1177	volume_flow_area_l = 0.0
	1178
[667]	1179	IF ( nxr == nx ) THEN
	1180	DO j = nys, nyn
[709]	1181	DO k = nzb_2d(j,nx)+1, nzt
[667]	1182	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1183	u(k,j,nx) * dzw(k)
[667]	1184	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1185	ENDDO
	1186	ENDDO
	1187	ENDIF
	1188
	1189	IF ( nyn == ny ) THEN
	1190	DO i = nxl, nxr
[709]	1191	DO k = nzb_2d(ny,i)+1, nzt
[667]	1192	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1193	v(k,ny,i) * dzw(k)
	1194	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1195	ENDDO
	1196	ENDDO
	1197	ENDIF
	1198
	1199	#if defined( __parallel )
[732]	1200	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1201	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1202	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1203	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1204
	1205	#else
[732]	1206	volume_flow_initial = volume_flow_initial_l
	1207	volume_flow_area = volume_flow_area_l
[667]	1208	#endif
	1209
[732]	1210	ENDIF
	1211
[151]	1212	!
[709]	1213	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1214	!-- from u\|v_bulk instead
[680]	1215	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1216	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1217	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1218	ENDIF
[667]	1219
[680]	1220	ENDIF
	1221
	1222
[667]	1223	!
[680]	1224	!-- Impose random perturbation on the horizontal velocity field and then
	1225	!-- remove the divergences from the velocity field at the initial stage
	1226	IF ( create_disturbances .AND. &
	1227	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1228	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1229
	1230	CALL disturb_field( nzb_u_inner, tend, u )
	1231	CALL disturb_field( nzb_v_inner, tend, v )
	1232	n_sor = nsor_ini
	1233	CALL pres
	1234	n_sor = nsor
	1235	ENDIF
	1236
	1237	!
[138]	1238	!-- Initialization of the leaf area density
[709]	1239	IF ( plant_canopy ) THEN
[138]	1240
	1241	SELECT CASE ( TRIM( canopy_mode ) )
	1242
	1243	CASE( 'block' )
	1244
[667]	1245	DO i = nxlg, nxrg
	1246	DO j = nysg, nyng
[138]	1247	lad_s(:,j,i) = lad(:)
	1248	cdc(:,j,i) = drag_coefficient
[709]	1249	IF ( passive_scalar ) THEN
[153]	1250	sls(:,j,i) = leaf_surface_concentration
	1251	sec(:,j,i) = scalar_exchange_coefficient
	1252	ENDIF
[138]	1253	ENDDO
	1254	ENDDO
	1255
	1256	CASE DEFAULT
	1257
	1258	!
	1259	!-- The DEFAULT case is reached either if the parameter
	1260	!-- canopy mode contains a wrong character string or if the
	1261	!-- user has coded a special case in the user interface.
	1262	!-- There, the subroutine user_init_plant_canopy checks
	1263	!-- which of these two conditions applies.
	1264	CALL user_init_plant_canopy
	1265
	1266	END SELECT
	1267
[667]	1268	CALL exchange_horiz( lad_s, nbgp )
	1269	CALL exchange_horiz( cdc, nbgp )
[138]	1270
[709]	1271	IF ( passive_scalar ) THEN
[667]	1272	CALL exchange_horiz( sls, nbgp )
	1273	CALL exchange_horiz( sec, nbgp )
[153]	1274	ENDIF
	1275
	1276	!
	1277	!-- Sharp boundaries of the plant canopy in horizontal directions
	1278	!-- In vertical direction the interpolation is retained, as the leaf
	1279	!-- area density is initialised by prescribing a vertical profile
	1280	!-- consisting of piecewise linear segments. The upper boundary
	1281	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
	1282
[138]	1283	DO i = nxl, nxr
	1284	DO j = nys, nyn
	1285	DO k = nzb, nzt+1
[709]	1286	IF ( lad_s(k,j,i) > 0.0 ) THEN
[153]	1287	lad_u(k,j,i) = lad_s(k,j,i)
	1288	lad_u(k,j,i+1) = lad_s(k,j,i)
	1289	lad_v(k,j,i) = lad_s(k,j,i)
	1290	lad_v(k,j+1,i) = lad_s(k,j,i)
	1291	ENDIF
[138]	1292	ENDDO
	1293	DO k = nzb, nzt
	1294	lad_w(k,j,i) = 0.5 * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
	1295	ENDDO
	1296	ENDDO
	1297	ENDDO
	1298
[153]	1299	lad_w(pch_index,:,:) = 0.0
	1300	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
[138]	1301
[667]	1302	CALL exchange_horiz( lad_u, nbgp )
	1303	CALL exchange_horiz( lad_v, nbgp )
	1304	CALL exchange_horiz( lad_w, nbgp )
[153]	1305
	1306	!
	1307	!-- Initialisation of the canopy heat source distribution
[709]	1308	IF ( cthf /= 0.0 ) THEN
[153]	1309	!
	1310	!-- Piecewise evaluation of the leaf area index by
	1311	!-- integration of the leaf area density
	1312	lai(:,:,:) = 0.0
[667]	1313	DO i = nxlg, nxrg
	1314	DO j = nysg, nyng
[153]	1315	DO k = pch_index-1, 0, -1
	1316	lai(k,j,i) = lai(k+1,j,i) + &
	1317	( 0.5 * ( lad_w(k+1,j,i) + &
	1318	lad_s(k+1,j,i) ) * &
	1319	( zw(k+1) - zu(k+1) ) ) + &
	1320	( 0.5 * ( lad_w(k,j,i) + &
	1321	lad_s(k+1,j,i) ) * &
	1322	( zu(k+1) - zw(k) ) )
	1323	ENDDO
	1324	ENDDO
	1325	ENDDO
	1326
	1327	!
	1328	!-- Evaluation of the upward kinematic vertical heat flux within the
	1329	!-- canopy
[667]	1330	DO i = nxlg, nxrg
	1331	DO j = nysg, nyng
[153]	1332	DO k = 0, pch_index
	1333	canopy_heat_flux(k,j,i) = cthf * &
	1334	exp( -0.6 * lai(k,j,i) )
	1335	ENDDO
	1336	ENDDO
	1337	ENDDO
	1338
	1339	!
	1340	!-- The near surface heat flux is derived from the heat flux
	1341	!-- distribution within the canopy
	1342	shf(:,:) = canopy_heat_flux(0,:,:)
	1343
[709]	1344	IF ( ASSOCIATED( shf_m ) ) shf_m = shf
[153]	1345
	1346	ENDIF
	1347
[138]	1348	ENDIF
	1349
	1350	!
[1]	1351	!-- If required, initialize dvrp-software
	1352	IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp
	1353
[96]	1354	IF ( ocean ) THEN
[1]	1355	!
[96]	1356	!-- Initialize quantities needed for the ocean model
	1357	CALL init_ocean
[388]	1358
[96]	1359	ELSE
	1360	!
	1361	!-- Initialize quantities for handling cloud physics
	1362	!-- This routine must be called before init_particles, because
	1363	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
	1364	!-- init_particles) is not defined.
	1365	CALL init_cloud_physics
	1366	ENDIF
[1]	1367
	1368	!
	1369	!-- If required, initialize particles
[63]	1370	IF ( particle_advection ) CALL init_particles
[1]	1371
	1372	!
[673]	1373	!-- Initialize the ws-scheme.
	1374	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1375
	1376	!
[709]	1377	!-- Setting weighting factors for calculation of perturbation pressure
	1378	!-- and turbulent quantities from the RK substeps
	1379	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1380
[713]	1381	weight_substep(1) = 1./6.
	1382	weight_substep(2) = 3./10.
	1383	weight_substep(3) = 8./15.
[709]	1384
[713]	1385	weight_pres(1) = 1./3.
	1386	weight_pres(2) = 5./12.
	1387	weight_pres(3) = 1./4.
[709]	1388
	1389	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1390
[713]	1391	weight_substep(1) = 1./2.
	1392	weight_substep(2) = 1./2.
[673]	1393
[713]	1394	weight_pres(1) = 1./2.
	1395	weight_pres(2) = 1./2.
[709]	1396
	1397	ELSE ! for Euler- and leapfrog-method
	1398
[673]	1399	weight_substep(1) = 1.0
[709]	1400	weight_pres(1) = 1.0
	1401
[673]	1402	ENDIF
	1403
	1404	!
[1]	1405	!-- Initialize Rayleigh damping factors
	1406	rdf = 0.0
	1407	IF ( rayleigh_damping_factor /= 0.0 ) THEN
[108]	1408	IF ( .NOT. ocean ) THEN
	1409	DO k = nzb+1, nzt
	1410	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1411	rdf(k) = rayleigh_damping_factor * &
[1]	1412	( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) &
	1413	/ ( zu(nzt) - rayleigh_damping_height ) )&
	1414	)**2
[108]	1415	ENDIF
	1416	ENDDO
	1417	ELSE
	1418	DO k = nzt, nzb+1, -1
	1419	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1420	rdf(k) = rayleigh_damping_factor * &
	1421	( SIN( pi * 0.5 * ( rayleigh_damping_height - zu(k) ) &
	1422	/ ( rayleigh_damping_height - zu(nzb+1)))&
	1423	)**2
	1424	ENDIF
	1425	ENDDO
	1426	ENDIF
[1]	1427	ENDIF
	1428
	1429	!
[240]	1430	!-- Initialize the starting level and the vertical smoothing factor used for
	1431	!-- the external pressure gradient
	1432	dp_smooth_factor = 1.0
	1433	IF ( dp_external ) THEN
	1434	!
	1435	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1436	!-- (e.g. in init_grid).
	1437	IF ( dp_level_ind_b == 0 ) THEN
	1438	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1439	dp_level_ind_b = ind_array(1) - 1 + nzb
	1440	! MINLOC uses lower array bound 1
	1441	ENDIF
	1442	IF ( dp_smooth ) THEN
	1443	dp_smooth_factor(:dp_level_ind_b) = 0.0
	1444	DO k = dp_level_ind_b+1, nzt
	1445	dp_smooth_factor(k) = 0.5 * ( 1.0 + SIN( pi * &
	1446	( REAL( k - dp_level_ind_b ) / &
	1447	REAL( nzt - dp_level_ind_b ) - 0.5 ) ) )
	1448	ENDDO
	1449	ENDIF
	1450	ENDIF
	1451
	1452	!
[1]	1453	!-- Initialize diffusivities used within the outflow damping layer in case of
	1454	!-- non-cyclic lateral boundaries. A linear increase is assumed over the first
	1455	!-- half of the width of the damping layer
[707]	1456	IF ( bc_lr_dirrad ) THEN
[1]	1457
[667]	1458	DO i = nxlg, nxrg
[73]	1459	IF ( i >= nx - outflow_damping_width ) THEN
	1460	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1461	( i - ( nx - outflow_damping_width ) ) / &
	1462	REAL( outflow_damping_width/2 ) &
	1463	)
	1464	ELSE
	1465	km_damp_x(i) = 0.0
	1466	ENDIF
	1467	ENDDO
[1]	1468
[707]	1469	ELSEIF ( bc_lr_raddir ) THEN
[1]	1470
[667]	1471	DO i = nxlg, nxrg
[73]	1472	IF ( i <= outflow_damping_width ) THEN
	1473	km_damp_x(i) = km_damp_max * MIN( 1.0, &
	1474	( outflow_damping_width - i ) / &
	1475	REAL( outflow_damping_width/2 ) &
	1476	)
	1477	ELSE
	1478	km_damp_x(i) = 0.0
	1479	ENDIF
	1480	ENDDO
[1]	1481
[73]	1482	ENDIF
[1]	1483
[707]	1484	IF ( bc_ns_dirrad ) THEN
[1]	1485
[667]	1486	DO j = nysg, nyng
[73]	1487	IF ( j >= ny - outflow_damping_width ) THEN
	1488	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1489	( j - ( ny - outflow_damping_width ) ) / &
	1490	REAL( outflow_damping_width/2 ) &
	1491	)
	1492	ELSE
	1493	km_damp_y(j) = 0.0
[1]	1494	ENDIF
	1495	ENDDO
	1496
[707]	1497	ELSEIF ( bc_ns_raddir ) THEN
[1]	1498
[667]	1499	DO j = nysg, nyng
[73]	1500	IF ( j <= outflow_damping_width ) THEN
	1501	km_damp_y(j) = km_damp_max * MIN( 1.0, &
	1502	( outflow_damping_width - j ) / &
	1503	REAL( outflow_damping_width/2 ) &
	1504	)
	1505	ELSE
	1506	km_damp_y(j) = 0.0
[1]	1507	ENDIF
[73]	1508	ENDDO
[1]	1509
	1510	ENDIF
	1511
	1512	!
[709]	1513	!-- Initialize local summation arrays for routine flow_statistics.
	1514	!-- This is necessary because they may not yet have been initialized when they
	1515	!-- are called from flow_statistics (or - depending on the chosen model run -
	1516	!-- are never initialized)
[1]	1517	sums_divnew_l = 0.0
	1518	sums_divold_l = 0.0
	1519	sums_l_l = 0.0
	1520	sums_up_fraction_l = 0.0
	1521	sums_wsts_bc_l = 0.0
	1522
	1523	!
	1524	!-- Pre-set masks for regional statistics. Default is the total model domain.
	1525	rmask = 1.0
	1526
	1527	!
[51]	1528	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1529	!-- of allowed timeseries is exceeded
[1]	1530	CALL user_init
	1531
[51]	1532	IF ( dots_num > dots_max ) THEN
[254]	1533	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1534	' its maximum of dots_max = ', dots_max, &
[254]	1535	' &Please increase dots_max in modules.f90.'
	1536	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1537	ENDIF
	1538
[1]	1539	!
	1540	!-- Input binary data file is not needed anymore. This line must be placed
	1541	!-- after call of user_init!
	1542	CALL close_file( 13 )
	1543
	1544	!
	1545	!-- Compute total sum of active mask grid points
	1546	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1547	!-- total domain
	1548	!-- ngp_3d: number of grid points of the total domain
[132]	1549	ngp_2dh_outer_l = 0
	1550	ngp_2dh_outer = 0
	1551	ngp_2dh_s_inner_l = 0
	1552	ngp_2dh_s_inner = 0
	1553	ngp_2dh_l = 0
	1554	ngp_2dh = 0
[485]	1555	ngp_3d_inner_l = 0.0
[132]	1556	ngp_3d_inner = 0
	1557	ngp_3d = 0
	1558	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1559
	1560	DO sr = 0, statistic_regions
	1561	DO i = nxl, nxr
	1562	DO j = nys, nyn
	1563	IF ( rmask(j,i,sr) == 1.0 ) THEN
	1564	!
	1565	!-- All xy-grid points
	1566	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1567	!
	1568	!-- xy-grid points above topography
	1569	DO k = nzb_s_outer(j,i), nz + 1
	1570	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1571	ENDDO
[132]	1572	DO k = nzb_s_inner(j,i), nz + 1
	1573	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1574	ENDDO
[1]	1575	!
	1576	!-- All grid points of the total domain above topography
	1577	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1578	( nz - nzb_s_inner(j,i) + 2 )
	1579	ENDIF
	1580	ENDDO
	1581	ENDDO
	1582	ENDDO
	1583
	1584	sr = statistic_regions + 1
	1585	#if defined( __parallel )
[622]	1586	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1587	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1588	comm2d, ierr )
[622]	1589	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1590	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1591	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1592	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1593	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1594	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1595	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1596	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1597	MPI_SUM, comm2d, ierr )
[485]	1598	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1599	#else
[132]	1600	ngp_2dh = ngp_2dh_l
	1601	ngp_2dh_outer = ngp_2dh_outer_l
	1602	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1603	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1604	#endif
	1605
[560]	1606	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1607	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1608
	1609	!
	1610	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1611	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1612	!-- the respective subdomain lie below the surface topography
[667]	1613	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1614	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1615	ngp_3d_inner(:) )
[667]	1616	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1617
[485]	1618	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1619
	1620
	1621	END SUBROUTINE init_3d_model

Note: See TracBrowser for help on using the repository browser.

Download in other formats:

| Impressum | ©Leibniz Universität Hannover |