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init_3d_model.f90 @ 4586

Last change on this file since 4586 was 4548, checked in by suehring, 4 years ago

Bugfix, move call for lsf_forcing_surf after lsf_init is called

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/palm/branches/chemistry/SOURCE/init_3d_model.f90	2047-3190,3218-3297
/palm/branches/forwind/SOURCE/init_3d_model.f90	1564-1913
/palm/branches/mosaik_M2/init_3d_model.f90	2360-3471
/palm/branches/palm4u/SOURCE/init_3d_model.f90	2540-2692
/palm/branches/rans/SOURCE/init_3d_model.f90	2078-3128
/palm/branches/resler/SOURCE/init_3d_model.f90	2023-4492
/palm/branches/salsa/SOURCE/init_3d_model.f90	2503-3581

File size: 86.2 KB

Rev	Line
[1682]	1	!> @file init_3d_model.f90
[2000]	2	!------------------------------------------------------------------------------!
[2696]	3	! This file is part of the PALM model system.
[1036]	4	!
[2000]	5	! PALM is free software: you can redistribute it and/or modify it under the
	6	! terms of the GNU General Public License as published by the Free Software
	7	! Foundation, either version 3 of the License, or (at your option) any later
	8	! version.
[1036]	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[4360]	17	! Copyright 1997-2020 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[2233]	22	!
[3589]	23	!
[2233]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 4548 2020-05-28 19:36:45Z gronemeier $
[4548]	27	! Bugfix, move call for lsf_forcing_surf after lsf_init is called
	28	!
	29	! 4514 2020-04-30 16:29:59Z suehring
[4514]	30	! Add possibility to initialize surface sensible and latent heat fluxes via
	31	! a static driver.
	32	!
	33	! 4493 2020-04-10 09:49:43Z pavelkrc
[4365]	34	! Overwrite u_init, v_init, pt_init, q_init and s_init with hom for all
	35	! cyclic_fill-cases, not only for turbulent_inflow = .TRUE.
	36	!
	37	! 4360 2020-01-07 11:25:50Z suehring
[4346]	38	! Introduction of wall_flags_total_0, which currently sets bits based on static
	39	! topography information used in wall_flags_static_0
	40	!
	41	! 4329 2019-12-10 15:46:36Z motisi
[4329]	42	! Renamed wall_flags_0 to wall_flags_static_0
	43	!
	44	! 4286 2019-10-30 16:01:14Z resler
[4227]	45	! implement new palm_date_time_mod
	46	!
	47	! 4223 2019-09-10 09:20:47Z gronemeier
[4187]	48	! Deallocate temporary string array since it may be re-used to read different
	49	! input data in other modules
	50	!
	51	! 4186 2019-08-23 16:06:14Z suehring
[4186]	52	! Design change, use variables defined in netcdf_data_input_mod to read netcd
	53	! variables rather than define local ones.
	54	!
	55	! 4185 2019-08-23 13:49:38Z oliver.maas
[4185]	56	! For initializing_actions = ' cyclic_fill':
	57	! Overwrite u_init, v_init, pt_init, q_init and s_init with the
	58	! (temporally) and horizontally averaged vertical profiles from the end
	59	! of the prerun, because these profiles shall be used as the basic state
	60	! for the rayleigh damping and the pt_damping.
	61	!
	62	! 4182 2019-08-22 15:20:23Z scharf
[4182]	63	! Corrected "Former revisions" section
	64	!
	65	! 4168 2019-08-16 13:50:17Z suehring
[4168]	66	! Replace function get_topography_top_index by topo_top_ind
	67	!
	68	! 4151 2019-08-09 08:24:30Z suehring
[4151]	69	! Add netcdf directive around input calls (fix for last commit)
	70	!
	71	! 4150 2019-08-08 20:00:47Z suehring
[4150]	72	! Input of additional surface variables independent on land- or urban-surface
	73	! model
	74	!
	75	! 4131 2019-08-02 11:06:18Z monakurppa
[4131]	76	! Allocate sums and sums_l to allow profile output for salsa variables.
	77	!
	78	! 4130 2019-08-01 13:04:13Z suehring
[4130]	79	! Effectively reduce 3D initialization to 1D initial profiles. This is because
	80	! 3D initialization produces structures in the w-component that are correlated
	81	! with the processor grid for some unknown reason
	82	!
	83	! 4090 2019-07-11 15:06:47Z Giersch
[4090]	84	! Unused variables removed
	85	!
	86	! 4088 2019-07-11 13:57:56Z Giersch
[4088]	87	! Pressure and density profile calculations revised using basic functions
	88	!
	89	! 4048 2019-06-21 21:00:21Z knoop
[4028]	90	! Further modularization of particle code components
	91	!
	92	! 4017 2019-06-06 12:16:46Z schwenkel
[3987]	93	! Convert most location messages to debug messages to reduce output in
	94	! job logfile to a minimum
	95	!
	96	!
[3939]	97	! unused variable removed
	98	!
	99	! 3937 2019-04-29 15:09:07Z suehring
[3937]	100	! Move initialization of synthetic turbulence generator behind initialization
	101	! of offline nesting. Remove call for stg_adjust, as this is now already done
	102	! in stg_init.
	103	!
	104	! 3900 2019-04-16 15:17:43Z suehring
[3900]	105	! Fix problem with LOD = 2 initialization
	106	!
	107	! 3885 2019-04-11 11:29:34Z kanani
[3885]	108	! Changes related to global restructuring of location messages and introduction
	109	! of additional debug messages
	110	!
	111	! 3849 2019-04-01 16:35:16Z knoop
[3747]	112	! Move initialization of rmask before initializing user_init_arrays
	113	!
	114	! 3711 2019-01-31 13:44:26Z knoop
[3711]	115	! Introduced module_interface_init_checks for post-init checks in modules
	116	!
	117	! 3700 2019-01-26 17:03:42Z knoop
[3685]	118	! Some interface calls moved to module_interface + cleanup
	119	!
	120	! 3648 2019-01-02 16:35:46Z suehring
[3648]	121	! Rename subroutines for surface-data output
[3569]	122	!
[4182]	123	! Revision 1.1 1998/03/09 16:22:22 raasch
	124	! Initial revision
	125	!
	126	!
[1]	127	! Description:
	128	! ------------
[1682]	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
[1]	135	!------------------------------------------------------------------------------!
[1682]	136	SUBROUTINE init_3d_model
[1]	137
[3298]	138
[667]	139	USE advec_ws
[1320]	140
[1]	141	USE arrays_3d
[1849]	142
[3274]	143	USE basic_constants_and_equations_mod, &
[4090]	144	ONLY: c_p, g, l_v, pi, exner_function, exner_function_invers, &
[3274]	145	ideal_gas_law_rho, ideal_gas_law_rho_pt, barometric_formula
	146
	147	USE bulk_cloud_model_mod, &
[3685]	148	ONLY: bulk_cloud_model
[3274]	149
[3298]	150	USE chem_modules, &
[3685]	151	ONLY: max_pr_cs ! ToDo: this dependency needs to be removed cause it is ugly #new_dom
[3298]	152
[1]	153	USE control_parameters
[3298]	154
[1320]	155	USE grid_variables, &
[2037]	156	ONLY: dx, dy, ddx2_mg, ddy2_mg
[2817]	157
[1]	158	USE indices
[3469]	159
[1320]	160	USE kinds
[1496]	161
[2320]	162	USE lsf_nudging_mod, &
[3685]	163	ONLY: ls_forcing_surf
[1849]	164
[2338]	165	USE model_1d_mod, &
[3241]	166	ONLY: init_1d_model, l1d, u1d, v1d
[2338]	167
[3685]	168	USE module_interface, &
[3711]	169	ONLY: module_interface_init_arrays, &
	170	module_interface_init, &
	171	module_interface_init_checks
[3685]	172
[3159]	173	USE multi_agent_system_mod, &
	174	ONLY: agents_active, mas_init
	175
[1783]	176	USE netcdf_interface, &
[3700]	177	ONLY: dots_max
[2696]	178
[2906]	179	USE netcdf_data_input_mod, &
[4150]	180	ONLY: char_fill, &
	181	check_existence, &
	182	close_input_file, &
	183	get_attribute, &
	184	get_variable, &
	185	init_3d, &
	186	input_pids_static, &
	187	inquire_num_variables, &
	188	inquire_variable_names, &
	189	input_file_static, &
	190	netcdf_data_input_init_3d, &
[4186]	191	num_var_pids, &
[4150]	192	open_read_file, &
[4186]	193	pids_id, &
	194	real_2d, &
	195	vars_pids
[4150]	196
[3347]	197	USE nesting_offl_mod, &
	198	ONLY: nesting_offl_init
[3294]	199
[4227]	200	USE palm_date_time_mod, &
	201	ONLY: set_reference_date_time
	202
[1]	203	USE pegrid
[3298]	204
[3524]	205	#if defined( __parallel )
[2934]	206	USE pmc_interface, &
	207	ONLY: nested_run
[3524]	208	#endif
[2934]	209
[1320]	210	USE random_function_mod
[3685]	211
[1400]	212	USE random_generator_parallel, &
[2172]	213	ONLY: init_parallel_random_generator
[3685]	214
[2894]	215	USE read_restart_data_mod, &
[3685]	216	ONLY: rrd_read_parts_of_global, rrd_local
	217
[1320]	218	USE statistics, &
[1738]	219	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
[1833]	220	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
[2277]	221	sums_l_l, sums_wsts_bc_l, ts_value, &
[1833]	222	weight_pres, weight_substep
[2259]	223
	224	USE synthetic_turbulence_generator_mod, &
[3939]	225	ONLY: stg_init, use_syn_turb_gen
[3685]	226
[1691]	227	USE surface_layer_fluxes_mod, &
	228	ONLY: init_surface_layer_fluxes
[2232]	229
	230	USE surface_mod, &
[4150]	231	ONLY : init_single_surface_properties, &
	232	init_surface_arrays, &
	233	init_surfaces, &
	234	surf_def_h, &
	235	surf_def_v, &
	236	surf_lsm_h, &
[4168]	237	surf_usm_h
[3685]	238
[3849]	239	#if defined( _OPENACC )
	240	USE surface_mod, &
	241	ONLY : bc_h
	242	#endif
	243
[3648]	244	USE surface_data_output_mod, &
	245	ONLY: surface_data_output_init
[3685]	246
[2007]	247	USE transpose_indices
[1]	248
	249	IMPLICIT NONE
[4150]	250
	251	INTEGER(iwp) :: i !< grid index in x direction
	252	INTEGER(iwp) :: ind_array(1) !< dummy used to determine start index for external pressure forcing
	253	INTEGER(iwp) :: j !< grid index in y direction
	254	INTEGER(iwp) :: k !< grid index in z direction
	255	INTEGER(iwp) :: k_surf !< surface level index
	256	INTEGER(iwp) :: l !< running index over surface orientation
	257	INTEGER(iwp) :: m !< index of surface element in surface data type
	258	INTEGER(iwp) :: nz_u_shift !< topography-top index on u-grid, used to vertically shift initial profiles
	259	INTEGER(iwp) :: nz_v_shift !< topography-top index on v-grid, used to vertically shift initial profiles
	260	INTEGER(iwp) :: nz_w_shift !< topography-top index on w-grid, used to vertically shift initial profiles
	261	INTEGER(iwp) :: nz_s_shift !< topography-top index on scalar-grid, used to vertically shift initial profiles
	262	INTEGER(iwp) :: nz_u_shift_l !< topography-top index on u-grid, used to vertically shift initial profiles
	263	INTEGER(iwp) :: nz_v_shift_l !< topography-top index on v-grid, used to vertically shift initial profiles
	264	INTEGER(iwp) :: nz_w_shift_l !< topography-top index on w-grid, used to vertically shift initial profiles
	265	INTEGER(iwp) :: nz_s_shift_l !< topography-top index on scalar-grid, used to vertically shift initial profiles
	266	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
	267	INTEGER(iwp) :: sr !< index of statistic region
[1]	268
[3547]	269	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !< toal number of horizontal grid points in statistical region on subdomain
[1]	270
[3547]	271	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !< number of horizontal non-wall bounded grid points on subdomain
	272	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !< number of horizontal non-topography grid points on subdomain
[1]	273
[4150]	274
	275
[3182]	276	REAL(wp), DIMENSION(:), ALLOCATABLE :: init_l !< dummy array used for averaging 3D data to obtain inital profiles
[2037]	277	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
	278
	279	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
	280	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
	281
[3547]	282	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !< area of lateral and top model domain surface on local subdomain
	283	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !< initial volume flow into model domain
[1]	284
[3547]	285	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !< mean surface level height on subdomain
	286	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !< total number of non-topography grid points on subdomain
	287	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !< total number of non-topography grid points
[1]	288
[4150]	289	TYPE(real_2d) :: tmp_2d !< temporary variable to input additional surface-data from static file
	290
[3987]	291	CALL location_message( 'model initialization', 'start' )
[4227]	292	!
	293	!-- Set reference date-time
	294	CALL set_reference_date_time( date_time_str=origin_date_time )
[3987]	295
	296	IF ( debug_output ) CALL debug_message( 'allocating arrays', 'start' )
[1]	297	!
	298	!-- Allocate arrays
[1788]	299	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
	300	mean_surface_level_height_l(0:statistic_regions), &
	301	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	302	ngp_3d(0:statistic_regions), &
	303	ngp_3d_inner(0:statistic_regions), &
	304	ngp_3d_inner_l(0:statistic_regions), &
	305	ngp_3d_inner_tmp(0:statistic_regions), &
	306	sums_divnew_l(0:statistic_regions), &
[1]	307	sums_divold_l(0:statistic_regions) )
[1195]	308	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[1788]	309	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
	310	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
	311	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	312	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
	313	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[4131]	314	sums(nzb:nzt+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa), &
	315	sums_l(nzb:nzt+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa,0:threads_per_task-1), &
[1788]	316	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
[3700]	317	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions) )
	318	ALLOCATE( ts_value(dots_max,0:statistic_regions) )
[978]	319	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	320
[1788]	321	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	322	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	323	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	324
[2696]	325	ALLOCATE( pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1788]	326	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	327	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	328	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	329	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	330	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	331	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	332	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	333	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	334	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	335	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1788]	336	IF ( .NOT. neutral ) THEN
[1032]	337	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	338	ENDIF
[673]	339	!
[3747]	340	!-- Pre-set masks for regional statistics. Default is the total model domain.
	341	!-- Ghost points are excluded because counting values at the ghost boundaries
	342	!-- would bias the statistics
	343	rmask = 1.0_wp
	344	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	345	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
	346	!
[707]	347	!-- Following array is required for perturbation pressure within the iterative
	348	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	349	!-- the weighted average of the substeps and cannot be used in the Poisson
	350	!-- solver.
	351	IF ( psolver == 'sor' ) THEN
	352	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1575]	353	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
[707]	354	!
	355	!-- For performance reasons, multigrid is using one ghost layer only
	356	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	357	ENDIF
[1]	358
[1111]	359	!
	360	!-- Array for storing constant coeffficients of the tridiagonal solver
	361	IF ( psolver == 'poisfft' ) THEN
[1212]	362	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	363	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	364	ENDIF
	365
[1960]	366	IF ( humidity ) THEN
[1]	367	!
[1960]	368	!-- 3D-humidity
[1788]	369	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	370	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[3011]	371	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	372	vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	373	ENDIF
[1960]	374
	375	IF ( passive_scalar ) THEN
[1]	376
[1960]	377	!
	378	!-- 3D scalar arrays
	379	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	380	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	381	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[3636]	382
[1960]	383	ENDIF
	384
[1]	385	!
[3302]	386	!-- Allocate and set 1d-profiles for Stokes drift velocity. It may be set to
	387	!-- non-zero values later in ocean_init
	388	ALLOCATE( u_stokes_zu(nzb:nzt+1), u_stokes_zw(nzb:nzt+1), &
	389	v_stokes_zu(nzb:nzt+1), v_stokes_zw(nzb:nzt+1) )
	390	u_stokes_zu(:) = 0.0_wp
	391	u_stokes_zw(:) = 0.0_wp
	392	v_stokes_zu(:) = 0.0_wp
	393	v_stokes_zw(:) = 0.0_wp
	394
	395	!
[2037]	396	!-- Allocation of anelastic and Boussinesq approximation specific arrays
	397	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
	398	ALLOCATE( rho_air(nzb:nzt+1) )
	399	ALLOCATE( rho_air_zw(nzb:nzt+1) )
	400	ALLOCATE( drho_air(nzb:nzt+1) )
	401	ALLOCATE( drho_air_zw(nzb:nzt+1) )
	402	!
[4088]	403	!-- Density profile calculation for anelastic and Boussinesq approximation
	404	!-- In case of a Boussinesq approximation, a constant density is calculated
	405	!-- mainly for output purposes. This density do not need to be considered
	406	!-- in the model's system of equations.
	407	IF ( TRIM( approximation ) == 'anelastic' ) THEN
[2037]	408	DO k = nzb, nzt+1
[4088]	409	p_hydrostatic(k) = barometric_formula(zu(k), pt_surface * &
	410	exner_function(surface_pressure * 100.0_wp), &
	411	surface_pressure * 100.0_wp)
	412
	413	rho_air(k) = ideal_gas_law_rho_pt(p_hydrostatic(k), pt_init(k))
[2037]	414	ENDDO
[4088]	415
[2037]	416	DO k = nzb, nzt
	417	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	418	ENDDO
[4088]	419
[2037]	420	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	421	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
[4088]	422
[2037]	423	ELSE
[2252]	424	DO k = nzb, nzt+1
[4088]	425	p_hydrostatic(k) = barometric_formula(zu(nzb), pt_surface * &
	426	exner_function(surface_pressure * 100.0_wp), &
	427	surface_pressure * 100.0_wp)
	428
	429	rho_air(k) = ideal_gas_law_rho_pt(p_hydrostatic(k), pt_init(nzb))
[2252]	430	ENDDO
[4088]	431
[2252]	432	DO k = nzb, nzt
	433	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
	434	ENDDO
[4088]	435
[2252]	436	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
	437	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
[4088]	438
[2037]	439	ENDIF
[2696]	440	!
[2037]	441	!-- compute the inverse density array in order to avoid expencive divisions
	442	drho_air = 1.0_wp / rho_air
	443	drho_air_zw = 1.0_wp / rho_air_zw
	444
	445	!
	446	!-- Allocation of flux conversion arrays
	447	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
	448	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
	449	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
	450	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
	451	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
	452	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
	453
	454	!
	455	!-- calculate flux conversion factors according to approximation and in-/output mode
	456	DO k = nzb, nzt+1
	457
	458	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
	459	heatflux_input_conversion(k) = rho_air_zw(k)
	460	waterflux_input_conversion(k) = rho_air_zw(k)
	461	momentumflux_input_conversion(k) = rho_air_zw(k)
	462	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
[3274]	463	heatflux_input_conversion(k) = 1.0_wp / c_p
[2037]	464	waterflux_input_conversion(k) = 1.0_wp / l_v
	465	momentumflux_input_conversion(k) = 1.0_wp
	466	ENDIF
	467
	468	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
	469	heatflux_output_conversion(k) = drho_air_zw(k)
	470	waterflux_output_conversion(k) = drho_air_zw(k)
	471	momentumflux_output_conversion(k) = drho_air_zw(k)
	472	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
[3274]	473	heatflux_output_conversion(k) = c_p
[2037]	474	waterflux_output_conversion(k) = l_v
	475	momentumflux_output_conversion(k) = 1.0_wp
	476	ENDIF
	477
	478	IF ( .NOT. humidity ) THEN
	479	waterflux_input_conversion(k) = 1.0_wp
	480	waterflux_output_conversion(k) = 1.0_wp
	481	ENDIF
	482
	483	ENDDO
	484
	485	!
	486	!-- In case of multigrid method, compute grid lengths and grid factors for the
	487	!-- grid levels with respective density on each grid
	488	IF ( psolver(1:9) == 'multigrid' ) THEN
	489
	490	ALLOCATE( ddx2_mg(maximum_grid_level) )
	491	ALLOCATE( ddy2_mg(maximum_grid_level) )
	492	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
	493	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
	494	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
	495	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
	496	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
	497	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
	498	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
	499
	500	dzu_mg(:,maximum_grid_level) = dzu
	501	rho_air_mg(:,maximum_grid_level) = rho_air
	502	!
	503	!-- Next line to ensure an equally spaced grid.
	504	dzu_mg(1,maximum_grid_level) = dzu(2)
	505	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
	506	(rho_air(nzb) - rho_air(nzb+1))
	507
	508	dzw_mg(:,maximum_grid_level) = dzw
	509	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
	510	nzt_l = nzt
	511	DO l = maximum_grid_level-1, 1, -1
	512	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
	513	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
	514	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
	515	rho_air_zw_mg(nzb,l) = rho_air_zw_mg(nzb,l+1) + (rho_air_zw_mg(nzb,l+1) - rho_air_zw_mg(nzb+1,l+1))
	516	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
	517	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
	518	nzt_l = nzt_l / 2
	519	DO k = 2, nzt_l+1
	520	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
	521	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
	522	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
	523	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
	524	ENDDO
	525	ENDDO
	526
	527	nzt_l = nzt
	528	dx_l = dx
	529	dy_l = dy
	530	DO l = maximum_grid_level, 1, -1
	531	ddx2_mg(l) = 1.0_wp / dx_l**2
	532	ddy2_mg(l) = 1.0_wp / dy_l**2
	533	DO k = nzb+1, nzt_l
	534	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
	535	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
	536	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
	537	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
	538	ENDDO
	539	nzt_l = nzt_l / 2
	540	dx_l = dx_l * 2.0_wp
	541	dy_l = dy_l * 2.0_wp
	542	ENDDO
	543
	544	ENDIF
	545
	546	!
[1299]	547	!-- 1D-array for large scale subsidence velocity
[1361]	548	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	549	ALLOCATE ( w_subs(nzb:nzt+1) )
	550	w_subs = 0.0_wp
	551	ENDIF
[1299]	552
	553	!
[106]	554	!-- Arrays to store velocity data from t-dt and the phase speeds which
	555	!-- are needed for radiation boundary conditions
[3182]	556	IF ( bc_radiation_l ) THEN
[1788]	557	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	558	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
[667]	559	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	560	ENDIF
[3182]	561	IF ( bc_radiation_r ) THEN
[1788]	562	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	563	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
[667]	564	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	565	ENDIF
[3182]	566	IF ( bc_radiation_l .OR. bc_radiation_r ) THEN
[1788]	567	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
[667]	568	c_w(nzb:nzt+1,nysg:nyng) )
[106]	569	ENDIF
[3182]	570	IF ( bc_radiation_s ) THEN
[1788]	571	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	572	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
[667]	573	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	574	ENDIF
[3182]	575	IF ( bc_radiation_n ) THEN
[1788]	576	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	577	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
[667]	578	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	579	ENDIF
[3182]	580	IF ( bc_radiation_s .OR. bc_radiation_n ) THEN
[1788]	581	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
[667]	582	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	583	ENDIF
[3182]	584	IF ( bc_radiation_l .OR. bc_radiation_r .OR. bc_radiation_s .OR. &
	585	bc_radiation_n ) THEN
[978]	586	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	587	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	588	ENDIF
[73]	589
	590	!
[1]	591	!-- Initial assignment of the pointers
[1032]	592	IF ( .NOT. neutral ) THEN
	593	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	594	ELSE
	595	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	596	ENDIF
[1001]	597	u => u_1; u_p => u_2; tu_m => u_3
	598	v => v_1; v_p => v_2; tv_m => v_3
	599	w => w_1; w_p => w_2; tw_m => w_3
[1]	600
[1960]	601	IF ( humidity ) THEN
[1001]	602	q => q_1; q_p => q_2; tq_m => q_3
[3274]	603	vpt => vpt_1
[1001]	604	ENDIF
[1960]	605
	606	IF ( passive_scalar ) THEN
	607	s => s_1; s_p => s_2; ts_m => s_3
	608	ENDIF
[1]	609
	610	!
[2696]	611	!-- Initialize surface arrays
[2232]	612	CALL init_surface_arrays
	613	!
[3294]	614	!-- Allocate arrays for other modules
[3685]	615	CALL module_interface_init_arrays
[1551]	616
[1914]	617
[2320]	618	!
[709]	619	!-- Allocate arrays containing the RK coefficient for calculation of
	620	!-- perturbation pressure and turbulent fluxes. At this point values are
	621	!-- set for pressure calculation during initialization (where no timestep
	622	!-- is done). Further below the values needed within the timestep scheme
	623	!-- will be set.
[1788]	624	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[1878]	625	weight_pres(1:intermediate_timestep_count_max) )
[1340]	626	weight_substep = 1.0_wp
	627	weight_pres = 1.0_wp
[1918]	628	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
[673]	629
[3987]	630	IF ( debug_output ) CALL debug_message( 'allocating arrays', 'end' )
[1918]	631
[673]	632	!
[3014]	633	!-- Initialize time series
	634	ts_value = 0.0_wp
	635
	636	!
[1918]	637	!-- Initialize local summation arrays for routine flow_statistics.
	638	!-- This is necessary because they may not yet have been initialized when they
	639	!-- are called from flow_statistics (or - depending on the chosen model run -
	640	!-- are never initialized)
	641	sums_divnew_l = 0.0_wp
	642	sums_divold_l = 0.0_wp
	643	sums_l_l = 0.0_wp
	644	sums_wsts_bc_l = 0.0_wp
[3182]	645
[1918]	646	!
[1]	647	!-- Initialize model variables
[1788]	648	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	649	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	650	!
[2696]	651	!-- Initialization with provided input data derived from larger-scale model
	652	IF ( INDEX( initializing_actions, 'inifor' ) /= 0 ) THEN
[3987]	653	IF ( debug_output ) CALL debug_message( 'initializing with INIFOR', 'start' )
[2696]	654	!
[3051]	655	!-- Read initial 1D profiles or 3D data from NetCDF file, depending
	656	!-- on the provided level-of-detail.
[2696]	657	!-- At the moment, only u, v, w, pt and q are provided.
	658	CALL netcdf_data_input_init_3d
	659	!
[3182]	660	!-- Please note, Inifor provides data from nzb+1 to nzt.
	661	!-- Bottom and top boundary conditions for Inifor profiles are already
	662	!-- set (just after reading), so that this is not necessary here.
	663	!-- Depending on the provided level-of-detail, initial Inifor data is
	664	!-- either stored on data type (lod=1), or directly on 3D arrays (lod=2).
	665	!-- In order to obtain also initial profiles in case of lod=2 (which
	666	!-- is required for e.g. damping), average over 3D data.
	667	IF( init_3d%lod_u == 1 ) THEN
	668	u_init = init_3d%u_init
	669	ELSEIF( init_3d%lod_u == 2 ) THEN
	670	ALLOCATE( init_l(nzb:nzt+1) )
	671	DO k = nzb, nzt+1
	672	init_l(k) = SUM( u(k,nys:nyn,nxl:nxr) )
	673	ENDDO
	674	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
[1384]	675
[3182]	676	#if defined( __parallel )
	677	CALL MPI_ALLREDUCE( init_l, u_init, nzt+1-nzb+1, &
	678	MPI_REAL, MPI_SUM, comm2d, ierr )
	679	#else
	680	u_init = init_l
	681	#endif
	682	DEALLOCATE( init_l )
[3051]	683
[2696]	684	ENDIF
[3182]	685
	686	IF( init_3d%lod_v == 1 ) THEN
	687	v_init = init_3d%v_init
	688	ELSEIF( init_3d%lod_v == 2 ) THEN
	689	ALLOCATE( init_l(nzb:nzt+1) )
	690	DO k = nzb, nzt+1
	691	init_l(k) = SUM( v(k,nys:nyn,nxl:nxr) )
	692	ENDDO
	693	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
[2696]	694
[3182]	695	#if defined( __parallel )
	696	CALL MPI_ALLREDUCE( init_l, v_init, nzt+1-nzb+1, &
	697	MPI_REAL, MPI_SUM, comm2d, ierr )
	698	#else
	699	v_init = init_l
	700	#endif
	701	DEALLOCATE( init_l )
	702	ENDIF
	703	IF( .NOT. neutral ) THEN
	704	IF( init_3d%lod_pt == 1 ) THEN
	705	pt_init = init_3d%pt_init
	706	ELSEIF( init_3d%lod_pt == 2 ) THEN
	707	ALLOCATE( init_l(nzb:nzt+1) )
	708	DO k = nzb, nzt+1
	709	init_l(k) = SUM( pt(k,nys:nyn,nxl:nxr) )
	710	ENDDO
	711	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
	712
	713	#if defined( __parallel )
	714	CALL MPI_ALLREDUCE( init_l, pt_init, nzt+1-nzb+1, &
	715	MPI_REAL, MPI_SUM, comm2d, ierr )
	716	#else
	717	pt_init = init_l
	718	#endif
	719	DEALLOCATE( init_l )
	720	ENDIF
	721	ENDIF
	722
	723
	724	IF( humidity ) THEN
	725	IF( init_3d%lod_q == 1 ) THEN
	726	q_init = init_3d%q_init
	727	ELSEIF( init_3d%lod_q == 2 ) THEN
	728	ALLOCATE( init_l(nzb:nzt+1) )
	729	DO k = nzb, nzt+1
	730	init_l(k) = SUM( q(k,nys:nyn,nxl:nxr) )
	731	ENDDO
	732	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
	733
	734	#if defined( __parallel )
	735	CALL MPI_ALLREDUCE( init_l, q_init, nzt+1-nzb+1, &
	736	MPI_REAL, MPI_SUM, comm2d, ierr )
	737	#else
	738	q_init = init_l
	739	#endif
	740	DEALLOCATE( init_l )
	741	ENDIF
	742	ENDIF
	743
[2696]	744	!
[4130]	745	!-- Write initial profiles onto 3D arrays.
	746	!-- Work-around, 3D initialization of u,v,w creates artificial
	747	!-- structures wich correlate with the processor grid. The reason
	748	!-- for this is still unknown. To work-around this, 3D initialization
	749	!-- will be effectively reduce to a 1D initialization where no such
	750	!-- artificial structures appear.
[2696]	751	DO i = nxlg, nxrg
	752	DO j = nysg, nyng
[4130]	753	IF( init_3d%lod_u == 1 .OR. init_3d%lod_u == 2 ) &
	754	u(:,j,i) = u_init(:)
	755	IF( init_3d%lod_v == 1 .OR. init_3d%lod_u == 2 ) &
	756	v(:,j,i) = v_init(:)
	757	IF( .NOT. neutral .AND. &
	758	( init_3d%lod_pt == 1 .OR. init_3d%lod_pt == 2 ) ) &
[3051]	759	pt(:,j,i) = pt_init(:)
[4130]	760	IF( humidity .AND. &
	761	( init_3d%lod_q == 1 .OR. init_3d%lod_q == 2 ) ) &
	762	q(:,j,i) = q_init(:)
[2696]	763	ENDDO
	764	ENDDO
	765	!
[3182]	766	!-- Set geostrophic wind components.
[2938]	767	IF ( init_3d%from_file_ug ) THEN
	768	ug(:) = init_3d%ug_init(:)
	769	ENDIF
	770	IF ( init_3d%from_file_vg ) THEN
	771	vg(:) = init_3d%vg_init(:)
	772	ENDIF
[3404]	773	!
	774	!-- Set bottom and top boundary condition for geostrophic wind
[2938]	775	ug(nzt+1) = ug(nzt)
	776	vg(nzt+1) = vg(nzt)
[3404]	777	ug(nzb) = ug(nzb+1)
	778	vg(nzb) = vg(nzb+1)
[2696]	779	!
	780	!-- Set inital w to 0
	781	w = 0.0_wp
	782
	783	IF ( passive_scalar ) THEN
	784	DO i = nxlg, nxrg
	785	DO j = nysg, nyng
	786	s(:,j,i) = s_init
	787	ENDDO
	788	ENDDO
	789	ENDIF
	790
	791	!
	792	!-- Set velocity components at non-atmospheric / oceanic grid points to
	793	!-- zero.
[4346]	794	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
	795	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
	796	w = MERGE( w, 0.0_wp, BTEST( wall_flags_total_0, 3 ) )
[2700]	797	!
	798	!-- Initialize surface variables, e.g. friction velocity, momentum
	799	!-- fluxes, etc.
	800	CALL init_surfaces
[2696]	801
[3987]	802	IF ( debug_output ) CALL debug_message( 'initializing with INIFOR', 'end' )
[2696]	803	!
	804	!-- Initialization via computed 1D-model profiles
	805	ELSEIF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
	806
[3987]	807	IF ( debug_output ) CALL debug_message( 'initializing with 1D model profiles', 'start' )
[1]	808	!
	809	!-- Use solutions of the 1D model as initial profiles,
	810	!-- start 1D model
	811	CALL init_1d_model
	812	!
	813	!-- Transfer initial profiles to the arrays of the 3D model
[667]	814	DO i = nxlg, nxrg
	815	DO j = nysg, nyng
[1]	816	pt(:,j,i) = pt_init
	817	u(:,j,i) = u1d
	818	v(:,j,i) = v1d
	819	ENDDO
	820	ENDDO
	821
[1960]	822	IF ( humidity ) THEN
[667]	823	DO i = nxlg, nxrg
	824	DO j = nysg, nyng
[1]	825	q(:,j,i) = q_init
	826	ENDDO
	827	ENDDO
	828	ENDIF
[2292]	829
[1960]	830	IF ( passive_scalar ) THEN
	831	DO i = nxlg, nxrg
	832	DO j = nysg, nyng
	833	s(:,j,i) = s_init
	834	ENDDO
	835	ENDDO
	836	ENDIF
[1]	837	!
	838	!-- Store initial profiles for output purposes etc.
[2696]	839	IF ( .NOT. constant_diffusion ) THEN
[1]	840	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	841	ENDIF
	842	!
[2696]	843	!-- Set velocities back to zero
[4346]	844	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
	845	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
[1]	846	!
[2696]	847	!-- WARNING: The extra boundary conditions set after running the
	848	!-- ------- 1D model impose an error on the divergence one layer
	849	!-- below the topography; need to correct later
	850	!-- ATTENTION: Provisional correction for Piacsek & Williams
	851	!-- --------- advection scheme: keep u and v zero one layer below
	852	!-- the topography.
	853	IF ( ibc_uv_b == 1 ) THEN
[667]	854	!
[2696]	855	!-- Neumann condition
	856	DO i = nxl-1, nxr+1
	857	DO j = nys-1, nyn+1
	858	u(nzb,j,i) = u(nzb+1,j,i)
	859	v(nzb,j,i) = v(nzb+1,j,i)
[1]	860	ENDDO
[2696]	861	ENDDO
[1]	862
	863	ENDIF
[2618]	864	!
	865	!-- Initialize surface variables, e.g. friction velocity, momentum
	866	!-- fluxes, etc.
	867	CALL init_surfaces
[1]	868
[3987]	869	IF ( debug_output ) CALL debug_message( 'initializing with 1D model profiles', 'end' )
[1384]	870
[1788]	871	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
[1]	872	THEN
[1241]	873
[3987]	874	IF ( debug_output ) CALL debug_message( 'initializing with constant profiles', 'start' )
[2259]	875
	876	!
[1]	877	!-- Use constructed initial profiles (velocity constant with height,
	878	!-- temperature profile with constant gradient)
[667]	879	DO i = nxlg, nxrg
	880	DO j = nysg, nyng
[1]	881	pt(:,j,i) = pt_init
	882	u(:,j,i) = u_init
	883	v(:,j,i) = v_init
	884	ENDDO
	885	ENDDO
	886	!
[2758]	887	!-- Mask topography
[4346]	888	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
	889	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
[2758]	890	!
[292]	891	!-- Set initial horizontal velocities at the lowest computational grid
	892	!-- levels to zero in order to avoid too small time steps caused by the
	893	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
[2758]	894	!-- in the limiting formula!).
	895	!-- Please note, in case land- or urban-surface model is used and a
	896	!-- spinup is applied, masking the lowest computational level is not
	897	!-- possible as MOST as well as energy-balance parametrizations will not
	898	!-- work with zero wind velocity.
	899	IF ( ibc_uv_b /= 1 .AND. .NOT. spinup ) THEN
[1815]	900	DO i = nxlg, nxrg
	901	DO j = nysg, nyng
[2232]	902	DO k = nzb, nzt
	903	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
[4346]	904	BTEST( wall_flags_total_0(k,j,i), 20 ) )
[2232]	905	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
[4346]	906	BTEST( wall_flags_total_0(k,j,i), 21 ) )
[2232]	907	ENDDO
[1815]	908	ENDDO
	909	ENDDO
	910	ENDIF
[1]	911
[1960]	912	IF ( humidity ) THEN
[667]	913	DO i = nxlg, nxrg
	914	DO j = nysg, nyng
[1]	915	q(:,j,i) = q_init
	916	ENDDO
	917	ENDDO
	918	ENDIF
[1960]	919
	920	IF ( passive_scalar ) THEN
	921	DO i = nxlg, nxrg
	922	DO j = nysg, nyng
	923	s(:,j,i) = s_init
	924	ENDDO
	925	ENDDO
	926	ENDIF
[1]	927
[1920]	928	!
[1]	929	!-- Compute initial temperature field and other constants used in case
	930	!-- of a sloping surface
	931	IF ( sloping_surface ) CALL init_slope
[2618]	932	!
	933	!-- Initialize surface variables, e.g. friction velocity, momentum
	934	!-- fluxes, etc.
	935	CALL init_surfaces
[3579]	936
[3987]	937	IF ( debug_output ) CALL debug_message( 'initializing with constant profiles', 'end' )
[1384]	938
[1788]	939	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
[46]	940	THEN
[1384]	941
[3987]	942	IF ( debug_output ) CALL debug_message( 'initializing by user', 'start' )
[46]	943	!
[2618]	944	!-- Pre-initialize surface variables, i.e. setting start- and end-indices
	945	!-- at each (j,i)-location. Please note, this does not supersede
	946	!-- user-defined initialization of surface quantities.
	947	CALL init_surfaces
	948	!
[46]	949	!-- Initialization will completely be done by the user
	950	CALL user_init_3d_model
	951
[3987]	952	IF ( debug_output ) CALL debug_message( 'initializing by user', 'end' )
[1384]	953
[1]	954	ENDIF
[1384]	955
[3987]	956	IF ( debug_output ) CALL debug_message( 'initializing statistics, boundary conditions, etc.', 'start' )
[1384]	957
[667]	958	!
	959	!-- Bottom boundary
	960	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	961	u(nzb,:,:) = 0.0_wp
	962	v(nzb,:,:) = 0.0_wp
[667]	963	ENDIF
[1]	964
	965	!
[151]	966	!-- Apply channel flow boundary condition
[132]	967	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	968	u(nzt+1,:,:) = 0.0_wp
	969	v(nzt+1,:,:) = 0.0_wp
[132]	970	ENDIF
	971
	972	!
[1]	973	!-- Calculate virtual potential temperature
[1960]	974	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	975
	976	!
[2696]	977	!-- Store initial profiles for output purposes etc.. Please note, in case of
	978	!-- initialization of u, v, w, pt, and q via output data derived from larger
	979	!-- scale models, data will not be horizontally homogeneous. Actually, a mean
	980	!-- profile should be calculated before.
[1]	981	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	982	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	983	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	984	hom(nzb,1,5,:) = 0.0_wp
	985	hom(nzb,1,6,:) = 0.0_wp
[1]	986	ENDIF
	987	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	988
[75]	989	IF ( humidity ) THEN
[1]	990	!
	991	!-- Store initial profile of total water content, virtual potential
	992	!-- temperature
	993	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	994	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
[2696]	995	!
[3040]	996	!-- Store initial profile of mixing ratio and potential
[2696]	997	!-- temperature
[3274]	998	IF ( bulk_cloud_model .OR. cloud_droplets ) THEN
[1]	999	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	1000	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	1001	ENDIF
	1002	ENDIF
	1003
[2696]	1004	!
	1005	!-- Store initial scalar profile
[1]	1006	IF ( passive_scalar ) THEN
[2513]	1007	hom(:,1,121,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
[1]	1008	ENDIF
	1009
	1010	!
[1400]	1011	!-- Initialize the random number generators (from numerical recipes)
	1012	CALL random_function_ini
[1429]	1013
[1400]	1014	IF ( random_generator == 'random-parallel' ) THEN
[3241]	1015	CALL init_parallel_random_generator( nx, nys, nyn, nxl, nxr )
[1400]	1016	ENDIF
	1017	!
[1179]	1018	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1019	!-- the reference state will be set (overwritten) in init_ocean)
	1020	IF ( use_single_reference_value ) THEN
[1788]	1021	IF ( .NOT. humidity ) THEN
[1179]	1022	ref_state(:) = pt_reference
	1023	ELSE
	1024	ref_state(:) = vpt_reference
	1025	ENDIF
	1026	ELSE
[1788]	1027	IF ( .NOT. humidity ) THEN
[1179]	1028	ref_state(:) = pt_init(:)
	1029	ELSE
	1030	ref_state(:) = vpt(:,nys,nxl)
	1031	ENDIF
	1032	ENDIF
[152]	1033
	1034	!
[707]	1035	!-- For the moment, vertical velocity is zero
[1340]	1036	w = 0.0_wp
[1]	1037
	1038	!
	1039	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1040	sums = 0.0_wp
[1]	1041
	1042	!
[707]	1043	!-- In case of iterative solvers, p must get an initial value
[1575]	1044	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1045	!
[1]	1046	!-- Impose vortex with vertical axis on the initial velocity profile
	1047	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1048	CALL init_rankine
	1049	ENDIF
	1050
	1051	!
[3035]	1052	!-- Impose temperature anomaly (advection test only) or warm air bubble
	1053	!-- close to surface
	1054	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 .OR. &
	1055	INDEX( initializing_actions, 'initialize_bubble' ) /= 0 ) THEN
[1]	1056	CALL init_pt_anomaly
	1057	ENDIF
[3035]	1058
[1]	1059	!
	1060	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1061	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1062	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1063	ENDIF
	1064
	1065	!
	1066	!-- If required, change the surface humidity/scalar at the start of the 3D
	1067	!-- run
[1960]	1068	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
[1]	1069	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
[1960]	1070
	1071	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
	1072	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
	1073
[1]	1074
	1075	!
	1076	!-- Initialize old and new time levels.
[2696]	1077	tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
	1078	pt_p = pt; u_p = u; v_p = v; w_p = w
[1]	1079
[1960]	1080	IF ( humidity ) THEN
[1340]	1081	tq_m = 0.0_wp
[1]	1082	q_p = q
	1083	ENDIF
[1960]	1084
	1085	IF ( passive_scalar ) THEN
	1086	ts_m = 0.0_wp
	1087	s_p = s
	1088	ENDIF
[1]	1089
[3987]	1090	IF ( debug_output ) CALL debug_message( 'initializing statistics, boundary conditions, etc.', 'end' )
[94]	1091
[1788]	1092	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[2232]	1093	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1094	THEN
[1384]	1095
[3987]	1096	IF ( debug_output ) CALL debug_message( 'initializing in case of restart / cyclic_fill', 'start' )
[1]	1097	!
[3609]	1098	!-- Initialize surface elements and its attributes, e.g. heat- and
	1099	!-- momentumfluxes, roughness, scaling parameters. As number of surface
	1100	!-- elements might be different between runs, e.g. in case of cyclic fill,
	1101	!-- and not all surface elements are read, surface elements need to be
	1102	!-- initialized before.
	1103	!-- Please note, in case of cyclic fill, surfaces should be initialized
	1104	!-- after restart data is read, else, individual settings of surface
	1105	!-- parameters will be overwritten from data of precursor run, hence,
	1106	!-- init_surfaces is called a second time after reading the restart data.
	1107	CALL init_surfaces
	1108	!
[767]	1109	!-- When reading data for cyclic fill of 3D prerun data files, read
	1110	!-- some of the global variables from the restart file which are required
	1111	!-- for initializing the inflow
[328]	1112	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1113
[759]	1114	DO i = 0, io_blocks-1
	1115	IF ( i == io_group ) THEN
[2894]	1116	CALL rrd_read_parts_of_global
[759]	1117	ENDIF
	1118	#if defined( __parallel )
	1119	CALL MPI_BARRIER( comm2d, ierr )
	1120	#endif
	1121	ENDDO
[328]	1122
[767]	1123	ENDIF
	1124
[151]	1125	!
[2894]	1126	!-- Read processor specific binary data from restart file
[767]	1127	DO i = 0, io_blocks-1
	1128	IF ( i == io_group ) THEN
[2894]	1129	CALL rrd_local
[767]	1130	ENDIF
	1131	#if defined( __parallel )
	1132	CALL MPI_BARRIER( comm2d, ierr )
	1133	#endif
	1134	ENDDO
[4365]	1135
	1136
	1137	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1138
[3608]	1139	!
[4365]	1140	!-- In case of cyclic fill, call init_surfaces a second time, so that
	1141	!-- surface properties such as heat fluxes are initialized as prescribed.
[3609]	1142	CALL init_surfaces
[767]	1143
[328]	1144	!
[4365]	1145	!-- Overwrite u_init, v_init, pt_init, q_init and s_init with the
	1146	!-- horizontally mean (hom) vertical profiles from the end
	1147	!-- of the prerun, because these profiles shall be used as the reference
	1148	!-- state for the rayleigh damping and the pt_damping. This is especially
	1149	!-- important for the use of large_scale_subsidence, because the
	1150	!-- reference temperature in the free atmosphere changes in time.
	1151	u_init(:) = hom_sum(:,1,0)
	1152	v_init(:) = hom_sum(:,2,0)
	1153	pt_init(:) = hom_sum(:,4,0)
	1154	IF ( humidity ) &
	1155	q_init(:) = hom_sum(:,41,0)
	1156	IF ( passive_scalar ) &
	1157	s_init(:) = hom_sum(:,115,0)
	1158	ENDIF
	1159	!
[2550]	1160	!-- In case of complex terrain and cyclic fill method as initialization,
	1161	!-- shift initial data in the vertical direction for each point in the
	1162	!-- x-y-plane depending on local surface height
	1163	IF ( complex_terrain .AND. &
	1164	TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1165	DO i = nxlg, nxrg
	1166	DO j = nysg, nyng
[4168]	1167	nz_u_shift = topo_top_ind(j,i,1)
	1168	nz_v_shift = topo_top_ind(j,i,2)
	1169	nz_w_shift = topo_top_ind(j,i,3)
	1170	nz_s_shift = topo_top_ind(j,i,0)
[2550]	1171
	1172	u(nz_u_shift:nzt+1,j,i) = u(0:nzt+1-nz_u_shift,j,i)
	1173
	1174	v(nz_v_shift:nzt+1,j,i) = v(0:nzt+1-nz_v_shift,j,i)
	1175
	1176	w(nz_w_shift:nzt+1,j,i) = w(0:nzt+1-nz_w_shift,j,i)
	1177
	1178	p(nz_s_shift:nzt+1,j,i) = p(0:nzt+1-nz_s_shift,j,i)
	1179	pt(nz_s_shift:nzt+1,j,i) = pt(0:nzt+1-nz_s_shift,j,i)
	1180	ENDDO
	1181	ENDDO
	1182	ENDIF
	1183	!
[767]	1184	!-- Initialization of the turbulence recycling method
[1788]	1185	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[767]	1186	turbulent_inflow ) THEN
	1187	!
	1188	!-- First store the profiles to be used at the inflow.
	1189	!-- These profiles are the (temporally) and horizontally averaged vertical
	1190	!-- profiles from the prerun. Alternatively, prescribed profiles
[4185]	1191	!-- for u,v-components can be used.
[3288]	1192	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,1:num_mean_inflow_profiles) )
[151]	1193
[767]	1194	IF ( use_prescribed_profile_data ) THEN
	1195	mean_inflow_profiles(:,1) = u_init ! u
	1196	mean_inflow_profiles(:,2) = v_init ! v
	1197	ELSE
[328]	1198	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1199	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1200	ENDIF
	1201	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
[1960]	1202	IF ( humidity ) &
	1203	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
	1204	IF ( passive_scalar ) &
	1205	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
[4365]	1206
[2550]	1207	!
	1208	!-- In case of complex terrain, determine vertical displacement at inflow
	1209	!-- boundary and adjust mean inflow profiles
	1210	IF ( complex_terrain ) THEN
	1211	IF ( nxlg <= 0 .AND. nxrg >= 0 .AND. nysg <= 0 .AND. nyng >= 0 ) THEN
[4168]	1212	nz_u_shift_l = topo_top_ind(j,i,1)
	1213	nz_v_shift_l = topo_top_ind(j,i,2)
	1214	nz_w_shift_l = topo_top_ind(j,i,3)
	1215	nz_s_shift_l = topo_top_ind(j,i,0)
[2550]	1216	ELSE
	1217	nz_u_shift_l = 0
	1218	nz_v_shift_l = 0
	1219	nz_w_shift_l = 0
	1220	nz_s_shift_l = 0
	1221	ENDIF
[151]	1222
[2550]	1223	#if defined( __parallel )
	1224	CALL MPI_ALLREDUCE(nz_u_shift_l, nz_u_shift, 1, MPI_INTEGER, &
	1225	MPI_MAX, comm2d, ierr)
	1226	CALL MPI_ALLREDUCE(nz_v_shift_l, nz_v_shift, 1, MPI_INTEGER, &
	1227	MPI_MAX, comm2d, ierr)
	1228	CALL MPI_ALLREDUCE(nz_w_shift_l, nz_w_shift, 1, MPI_INTEGER, &
	1229	MPI_MAX, comm2d, ierr)
	1230	CALL MPI_ALLREDUCE(nz_s_shift_l, nz_s_shift, 1, MPI_INTEGER, &
	1231	MPI_MAX, comm2d, ierr)
	1232	#else
	1233	nz_u_shift = nz_u_shift_l
	1234	nz_v_shift = nz_v_shift_l
	1235	nz_w_shift = nz_w_shift_l
	1236	nz_s_shift = nz_s_shift_l
	1237	#endif
	1238
	1239	mean_inflow_profiles(:,1) = 0.0_wp
	1240	mean_inflow_profiles(nz_u_shift:nzt+1,1) = hom_sum(0:nzt+1-nz_u_shift,1,0) ! u
	1241
	1242	mean_inflow_profiles(:,2) = 0.0_wp
	1243	mean_inflow_profiles(nz_v_shift:nzt+1,2) = hom_sum(0:nzt+1-nz_v_shift,2,0) ! v
	1244
	1245	mean_inflow_profiles(nz_s_shift:nzt+1,4) = hom_sum(0:nzt+1-nz_s_shift,4,0) ! pt
	1246
	1247	ENDIF
	1248
[151]	1249	!
[767]	1250	!-- If necessary, adjust the horizontal flow field to the prescribed
	1251	!-- profiles
	1252	IF ( use_prescribed_profile_data ) THEN
	1253	DO i = nxlg, nxrg
[667]	1254	DO j = nysg, nyng
[328]	1255	DO k = nzb, nzt+1
[767]	1256	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1257	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1258	ENDDO
[151]	1259	ENDDO
[767]	1260	ENDDO
	1261	ENDIF
[151]	1262
	1263	!
[767]	1264	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1265	!-- conditions are used)
[3182]	1266	IF ( bc_dirichlet_l ) THEN
[767]	1267	DO j = nysg, nyng
	1268	DO k = nzb, nzt+1
	1269	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1270	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1271	w(k,j,nxlg:-1) = 0.0_wp
[767]	1272	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
[1960]	1273	IF ( humidity ) &
[1615]	1274	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
[1960]	1275	IF ( passive_scalar ) &
	1276	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
[767]	1277	ENDDO
	1278	ENDDO
	1279	ENDIF
	1280
[151]	1281	!
[767]	1282	!-- Calculate the damping factors to be used at the inflow. For a
	1283	!-- turbulent inflow the turbulent fluctuations have to be limited
	1284	!-- vertically because otherwise the turbulent inflow layer will grow
	1285	!-- in time.
[1340]	1286	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1287	!
	1288	!-- Default: use the inversion height calculated by the prerun; if
	1289	!-- this is zero, inflow_damping_height must be explicitly
	1290	!-- specified.
[1340]	1291	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1292	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1293	ELSE
[1788]	1294	WRITE( message_string, * ) 'inflow_damping_height must be ', &
	1295	'explicitly specified because&the inversion height ', &
[767]	1296	'calculated by the prerun is zero.'
	1297	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1298	ENDIF
[151]	1299
[767]	1300	ENDIF
	1301
[1340]	1302	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1303	!
[767]	1304	!-- Default for the transition range: one tenth of the undamped
	1305	!-- layer
[1340]	1306	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1307
[767]	1308	ENDIF
[151]	1309
[767]	1310	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1311
[767]	1312	DO k = nzb, nzt+1
[151]	1313
[767]	1314	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1315	inflow_damping_factor(k) = 1.0_wp
[996]	1316	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1317	inflow_damping_factor(k) = 1.0_wp - &
[996]	1318	( zu(k) - inflow_damping_height ) / &
	1319	inflow_damping_width
[767]	1320	ELSE
[1340]	1321	inflow_damping_factor(k) = 0.0_wp
[767]	1322	ENDIF
[151]	1323
[767]	1324	ENDDO
[151]	1325
[147]	1326	ENDIF
	1327
[152]	1328	!
[2696]	1329	!-- Inside buildings set velocities back to zero
[1788]	1330	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
[359]	1331	topography /= 'flat' ) THEN
	1332	!
[2696]	1333	!-- Inside buildings set velocities back to zero.
	1334	!-- Other scalars (pt, q, s, p, sa, ...) are ignored at present,
[359]	1335	!-- maybe revise later.
[1001]	1336	DO i = nxlg, nxrg
	1337	DO j = nysg, nyng
[2232]	1338	DO k = nzb, nzt
	1339	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
[4346]	1340	BTEST( wall_flags_total_0(k,j,i), 1 ) )
[2232]	1341	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
[4346]	1342	BTEST( wall_flags_total_0(k,j,i), 2 ) )
[2232]	1343	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, &
[4346]	1344	BTEST( wall_flags_total_0(k,j,i), 3 ) )
[2232]	1345	ENDDO
[359]	1346	ENDDO
[1001]	1347	ENDDO
[359]	1348
	1349	ENDIF
	1350
	1351	!
[1]	1352	!-- Calculate initial temperature field and other constants used in case
	1353	!-- of a sloping surface
	1354	IF ( sloping_surface ) CALL init_slope
	1355
	1356	!
	1357	!-- Initialize new time levels (only done in order to set boundary values
	1358	!-- including ghost points)
[2696]	1359	pt_p = pt; u_p = u; v_p = v; w_p = w
[1960]	1360	IF ( humidity ) THEN
[1053]	1361	q_p = q
	1362	ENDIF
[1960]	1363	IF ( passive_scalar ) s_p = s
[181]	1364	!
	1365	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1366	!-- have to be predefined here because they are used (but multiplied with 0)
	1367	!-- there before they are set.
[2696]	1368	tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
[1960]	1369	IF ( humidity ) THEN
[1340]	1370	tq_m = 0.0_wp
[1053]	1371	ENDIF
[1960]	1372	IF ( passive_scalar ) ts_m = 0.0_wp
[181]	1373
[3987]	1374	IF ( debug_output ) CALL debug_message( 'initializing in case of restart / cyclic_fill', 'end' )
[1384]	1375
[1]	1376	ELSE
	1377	!
	1378	!-- Actually this part of the programm should not be reached
[254]	1379	message_string = 'unknown initializing problem'
	1380	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1381	ENDIF
	1382
[151]	1383
	1384	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1385	!
[151]	1386	!-- Initialize old timelevels needed for radiation boundary conditions
[3182]	1387	IF ( bc_radiation_l ) THEN
[151]	1388	u_m_l(:,:,:) = u(:,:,1:2)
	1389	v_m_l(:,:,:) = v(:,:,0:1)
	1390	w_m_l(:,:,:) = w(:,:,0:1)
	1391	ENDIF
[3182]	1392	IF ( bc_radiation_r ) THEN
[151]	1393	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1394	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1395	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1396	ENDIF
[3182]	1397	IF ( bc_radiation_s ) THEN
[151]	1398	u_m_s(:,:,:) = u(:,0:1,:)
	1399	v_m_s(:,:,:) = v(:,1:2,:)
	1400	w_m_s(:,:,:) = w(:,0:1,:)
	1401	ENDIF
[3182]	1402	IF ( bc_radiation_n ) THEN
[151]	1403	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1404	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1405	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1406	ENDIF
[667]	1407
[151]	1408	ENDIF
[680]	1409
[667]	1410	!
	1411	!-- Calculate the initial volume flow at the right and north boundary
[709]	1412	IF ( conserve_volume_flow ) THEN
[151]	1413
[767]	1414	IF ( use_prescribed_profile_data ) THEN
[667]	1415
[1340]	1416	volume_flow_initial_l = 0.0_wp
	1417	volume_flow_area_l = 0.0_wp
[732]	1418
[667]	1419	IF ( nxr == nx ) THEN
	1420	DO j = nys, nyn
[2232]	1421	DO k = nzb+1, nzt
[4346]	1422	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1423	u_init(k) * dzw(k) &
	1424	* MERGE( 1.0_wp, 0.0_wp, &
	1425	BTEST( wall_flags_total_0(k,j,nxr), 1 )&
[2232]	1426	)
	1427
[4346]	1428	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1429	* MERGE( 1.0_wp, 0.0_wp, &
	1430	BTEST( wall_flags_total_0(k,j,nxr), 1 )&
[2232]	1431	)
[767]	1432	ENDDO
	1433	ENDDO
	1434	ENDIF
	1435
	1436	IF ( nyn == ny ) THEN
	1437	DO i = nxl, nxr
[2232]	1438	DO k = nzb+1, nzt
[4346]	1439	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1440	v_init(k) * dzw(k) &
	1441	* MERGE( 1.0_wp, 0.0_wp, &
	1442	BTEST( wall_flags_total_0(k,nyn,i), 2 )&
[2232]	1443	)
[4346]	1444	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1445	* MERGE( 1.0_wp, 0.0_wp, &
	1446	BTEST( wall_flags_total_0(k,nyn,i), 2 )&
[2232]	1447	)
[767]	1448	ENDDO
	1449	ENDDO
	1450	ENDIF
	1451
	1452	#if defined( __parallel )
	1453	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1454	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1455	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1456	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1457
	1458	#else
	1459	volume_flow_initial = volume_flow_initial_l
	1460	volume_flow_area = volume_flow_area_l
	1461	#endif
	1462
	1463	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1464
[1340]	1465	volume_flow_initial_l = 0.0_wp
	1466	volume_flow_area_l = 0.0_wp
[767]	1467
	1468	IF ( nxr == nx ) THEN
	1469	DO j = nys, nyn
[2232]	1470	DO k = nzb+1, nzt
[4346]	1471	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1472	hom_sum(k,1,0) * dzw(k) &
	1473	* MERGE( 1.0_wp, 0.0_wp, &
	1474	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
[2232]	1475	)
[4346]	1476	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1477	* MERGE( 1.0_wp, 0.0_wp, &
	1478	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
[2232]	1479	)
[667]	1480	ENDDO
	1481	ENDDO
	1482	ENDIF
	1483
	1484	IF ( nyn == ny ) THEN
	1485	DO i = nxl, nxr
[2232]	1486	DO k = nzb+1, nzt
[4346]	1487	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1488	hom_sum(k,2,0) * dzw(k) &
	1489	* MERGE( 1.0_wp, 0.0_wp, &
	1490	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
[2232]	1491	)
[4346]	1492	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1493	* MERGE( 1.0_wp, 0.0_wp, &
	1494	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
[2232]	1495	)
[667]	1496	ENDDO
	1497	ENDDO
	1498	ENDIF
	1499
[732]	1500	#if defined( __parallel )
	1501	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1502	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1503	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1504	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1505
	1506	#else
	1507	volume_flow_initial = volume_flow_initial_l
	1508	volume_flow_area = volume_flow_area_l
	1509	#endif
	1510
[667]	1511	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1512
[1340]	1513	volume_flow_initial_l = 0.0_wp
	1514	volume_flow_area_l = 0.0_wp
[732]	1515
[667]	1516	IF ( nxr == nx ) THEN
	1517	DO j = nys, nyn
[2232]	1518	DO k = nzb+1, nzt
[4346]	1519	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
	1520	u(k,j,nx) * dzw(k) &
	1521	* MERGE( 1.0_wp, 0.0_wp, &
	1522	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
[2232]	1523	)
[4346]	1524	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
	1525	* MERGE( 1.0_wp, 0.0_wp, &
	1526	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
[2232]	1527	)
[667]	1528	ENDDO
	1529	ENDDO
	1530	ENDIF
	1531
	1532	IF ( nyn == ny ) THEN
	1533	DO i = nxl, nxr
[2232]	1534	DO k = nzb+1, nzt
[4346]	1535	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1536	v(k,ny,i) * dzw(k) &
	1537	* MERGE( 1.0_wp, 0.0_wp, &
	1538	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
[2232]	1539	)
[4346]	1540	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
	1541	* MERGE( 1.0_wp, 0.0_wp, &
	1542	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
[2232]	1543	)
[667]	1544	ENDDO
	1545	ENDDO
	1546	ENDIF
	1547
	1548	#if defined( __parallel )
[732]	1549	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1550	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1551	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1552	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1553
	1554	#else
[732]	1555	volume_flow_initial = volume_flow_initial_l
	1556	volume_flow_area = volume_flow_area_l
[667]	1557	#endif
	1558
[732]	1559	ENDIF
	1560
[151]	1561	!
[709]	1562	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1563	!-- from u\|v_bulk instead
[680]	1564	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1565	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1566	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1567	ENDIF
[667]	1568
[680]	1569	ENDIF
[2232]	1570	!
[4150]	1571	!-- In the following, surface properties can be further initialized with
	1572	!-- input from static driver file.
	1573	!-- At the moment this affects only default surfaces. For example,
	1574	!-- roughness length or sensible / latent heat fluxes can be initialized
	1575	!-- heterogeneously for default surfaces. Therefore, a generic routine
	1576	!-- from netcdf_data_input_mod is called to read a 2D array.
	1577	IF ( input_pids_static ) THEN
	1578	!
[4151]	1579	!-- Allocate memory for possible static input
	1580	ALLOCATE( tmp_2d%var(nys:nyn,nxl:nxr) )
	1581	tmp_2d%var = 0.0_wp
	1582	!
[4150]	1583	!-- Open the static input file
[4151]	1584	#if defined( __netcdf )
[4150]	1585	CALL open_read_file( TRIM( input_file_static ) // &
	1586	TRIM( coupling_char ), &
[4186]	1587	pids_id )
[4150]	1588
[4186]	1589	CALL inquire_num_variables( pids_id, num_var_pids )
[4150]	1590	!
	1591	!-- Allocate memory to store variable names and read them
[4186]	1592	ALLOCATE( vars_pids(1:num_var_pids) )
	1593	CALL inquire_variable_names( pids_id, vars_pids )
[4150]	1594	!
	1595	!-- Input roughness length.
[4186]	1596	IF ( check_existence( vars_pids, 'z0' ) ) THEN
[4150]	1597	!
	1598	!-- Read _FillValue attribute
[4186]	1599	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, &
[4150]	1600	.FALSE., 'z0' )
	1601	!
	1602	!-- Read variable
[4186]	1603	CALL get_variable( pids_id, 'z0', tmp_2d%var, &
[4150]	1604	nxl, nxr, nys, nyn )
	1605	!
	1606	!-- Initialize roughness length. Note, z0 will be only initialized at
	1607	!-- default-type surfaces. At natural or urban z0 is implicitly
[4514]	1608	!-- initialized by the respective parameter lists.
[4150]	1609	!-- Initialize horizontal surface elements.
	1610	CALL init_single_surface_properties( surf_def_h(0)%z0, &
	1611	tmp_2d%var, &
	1612	surf_def_h(0)%ns, &
	1613	tmp_2d%fill, &
	1614	surf_def_h(0)%i, &
	1615	surf_def_h(0)%j )
	1616	!
	1617	!-- Initialize roughness also at vertical surface elements.
	1618	!-- Note, the actual 2D input arrays are only defined on the
	1619	!-- subdomain. Therefore, pass the index arrays with their respective
	1620	!-- offset values.
	1621	DO l = 0, 3
	1622	CALL init_single_surface_properties( &
	1623	surf_def_v(l)%z0, &
	1624	tmp_2d%var, &
	1625	surf_def_v(l)%ns, &
	1626	tmp_2d%fill, &
	1627	surf_def_v(l)%i + surf_def_v(l)%ioff, &
	1628	surf_def_v(l)%j + surf_def_v(l)%joff )
	1629	ENDDO
	1630
	1631	ENDIF
	1632	!
[4514]	1633	!-- Input surface sensible heat flux.
	1634	IF ( check_existence( vars_pids, 'shf' ) ) THEN
	1635	!
	1636	!-- Read _FillValue attribute
	1637	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, &
	1638	.FALSE., 'shf' )
	1639	!
	1640	!-- Read variable
	1641	CALL get_variable( pids_id, 'shf', tmp_2d%var, &
	1642	nxl, nxr, nys, nyn )
	1643	!
	1644	!-- Initialize heat flux. Note, shf will be only initialized at
	1645	!-- default-type surfaces. At natural or urban shf is implicitly
	1646	!-- initialized by the respective parameter lists.
	1647	!-- Initialize horizontal surface elements.
	1648	CALL init_single_surface_properties( surf_def_h(0)%shf, &
	1649	tmp_2d%var, &
	1650	surf_def_h(0)%ns, &
	1651	tmp_2d%fill, &
	1652	surf_def_h(0)%i, &
	1653	surf_def_h(0)%j )
	1654	!
	1655	!-- Initialize heat flux also at vertical surface elements.
	1656	!-- Note, the actual 2D input arrays are only defined on the
	1657	!-- subdomain. Therefore, pass the index arrays with their respective
	1658	!-- offset values.
	1659	DO l = 0, 3
	1660	CALL init_single_surface_properties( &
	1661	surf_def_v(l)%shf, &
	1662	tmp_2d%var, &
	1663	surf_def_v(l)%ns, &
	1664	tmp_2d%fill, &
	1665	surf_def_v(l)%i + surf_def_v(l)%ioff, &
	1666	surf_def_v(l)%j + surf_def_v(l)%joff )
	1667	ENDDO
	1668
	1669	ENDIF
	1670	!
	1671	!-- Input surface sensible heat flux.
	1672	IF ( check_existence( vars_pids, 'qsws' ) ) THEN
	1673	!
	1674	!-- Read _FillValue attribute
	1675	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, &
	1676	.FALSE., 'qsws' )
	1677	!
	1678	!-- Read variable
	1679	CALL get_variable( pids_id, 'qsws', tmp_2d%var, &
	1680	nxl, nxr, nys, nyn )
	1681	!
	1682	!-- Initialize latent heat flux. Note, qsws will be only initialized at
	1683	!-- default-type surfaces. At natural or urban qsws is implicitly
	1684	!-- initialized by the respective parameter lists.
	1685	!-- Initialize horizontal surface elements.
	1686	CALL init_single_surface_properties( surf_def_h(0)%qsws, &
	1687	tmp_2d%var, &
	1688	surf_def_h(0)%ns, &
	1689	tmp_2d%fill, &
	1690	surf_def_h(0)%i, &
	1691	surf_def_h(0)%j )
	1692	!
	1693	!-- Initialize latent heat flux also at vertical surface elements.
	1694	!-- Note, the actual 2D input arrays are only defined on the
	1695	!-- subdomain. Therefore, pass the index arrays with their respective
	1696	!-- offset values.
	1697	DO l = 0, 3
	1698	CALL init_single_surface_properties( &
	1699	surf_def_v(l)%qsws, &
	1700	tmp_2d%var, &
	1701	surf_def_v(l)%ns, &
	1702	tmp_2d%fill, &
	1703	surf_def_v(l)%i + surf_def_v(l)%ioff, &
	1704	surf_def_v(l)%j + surf_def_v(l)%joff )
	1705	ENDDO
	1706
	1707	ENDIF
	1708	!
	1709	!-- Additional variables, can be initialized the
[4150]	1710	!-- same way.
[4514]	1711
[4150]	1712	!
[4187]	1713	!-- Finally, close the input file and deallocate temporary arrays
	1714	DEALLOCATE( vars_pids )
	1715
[4186]	1716	CALL close_input_file( pids_id )
[4151]	1717	#endif
	1718	DEALLOCATE( tmp_2d%var )
[4150]	1719	ENDIF
	1720	!
[2618]	1721	!-- Finally, if random_heatflux is set, disturb shf at horizontal
	1722	!-- surfaces. Actually, this should be done in surface_mod, where all other
	1723	!-- initializations of surface quantities are done. However, this
	1724	!-- would create a ring dependency, hence, it is done here. Maybe delete
	1725	!-- disturb_heatflux and tranfer the respective code directly into the
	1726	!-- initialization in surface_mod.
[2232]	1727	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1728	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[2618]	1729
[2232]	1730	IF ( use_surface_fluxes .AND. constant_heatflux .AND. &
	1731	random_heatflux ) THEN
	1732	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
	1733	IF ( surf_lsm_h%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h )
	1734	IF ( surf_usm_h%ns >= 1 ) CALL disturb_heatflux( surf_usm_h )
	1735	ENDIF
	1736	ENDIF
[680]	1737
[787]	1738	!
[3747]	1739	!-- Compute total sum of grid points and the mean surface level height for each
	1740	!-- statistic region. These are mainly used for horizontal averaging of
	1741	!-- turbulence statistics.
[2696]	1742	!-- ngp_2dh: number of grid points of a horizontal cross section through the
[3747]	1743	!-- respective statistic region
	1744	!-- ngp_3d: number of grid points of the respective statistic region
[2696]	1745	ngp_2dh_outer_l = 0
	1746	ngp_2dh_outer = 0
	1747	ngp_2dh_s_inner_l = 0
	1748	ngp_2dh_s_inner = 0
	1749	ngp_2dh_l = 0
	1750	ngp_2dh = 0
	1751	ngp_3d_inner_l = 0.0_wp
	1752	ngp_3d_inner = 0
	1753	ngp_3d = 0
	1754	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
	1755
	1756	mean_surface_level_height = 0.0_wp
	1757	mean_surface_level_height_l = 0.0_wp
	1758	!
	1759	!-- To do: New concept for these non-topography grid points!
	1760	DO sr = 0, statistic_regions
	1761	DO i = nxl, nxr
	1762	DO j = nys, nyn
	1763	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
	1764	!
	1765	!-- All xy-grid points
	1766	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1767	!
	1768	!-- Determine mean surface-level height. In case of downward-
	1769	!-- facing walls are present, more than one surface level exist.
	1770	!-- In this case, use the lowest surface-level height.
	1771	IF ( surf_def_h(0)%start_index(j,i) <= &
	1772	surf_def_h(0)%end_index(j,i) ) THEN
	1773	m = surf_def_h(0)%start_index(j,i)
	1774	k = surf_def_h(0)%k(m)
	1775	mean_surface_level_height_l(sr) = &
	1776	mean_surface_level_height_l(sr) + zw(k-1)
	1777	ENDIF
	1778	IF ( surf_lsm_h%start_index(j,i) <= &
	1779	surf_lsm_h%end_index(j,i) ) THEN
	1780	m = surf_lsm_h%start_index(j,i)
	1781	k = surf_lsm_h%k(m)
	1782	mean_surface_level_height_l(sr) = &
	1783	mean_surface_level_height_l(sr) + zw(k-1)
	1784	ENDIF
	1785	IF ( surf_usm_h%start_index(j,i) <= &
	1786	surf_usm_h%end_index(j,i) ) THEN
	1787	m = surf_usm_h%start_index(j,i)
	1788	k = surf_usm_h%k(m)
	1789	mean_surface_level_height_l(sr) = &
	1790	mean_surface_level_height_l(sr) + zw(k-1)
	1791	ENDIF
	1792
	1793	k_surf = k - 1
	1794
	1795	DO k = nzb, nzt+1
	1796	!
	1797	!-- xy-grid points above topography
	1798	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
[4346]	1799	MERGE( 1, 0, BTEST( wall_flags_total_0(k,j,i), 24 ) )
[2696]	1800
	1801	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
[4346]	1802	MERGE( 1, 0, BTEST( wall_flags_total_0(k,j,i), 22 ) )
[2696]	1803
	1804	ENDDO
	1805	!
	1806	!-- All grid points of the total domain above topography
	1807	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
	1808
	1809
	1810
	1811	ENDIF
	1812	ENDDO
	1813	ENDDO
	1814	ENDDO
[3747]	1815
[2696]	1816	sr = statistic_regions + 1
	1817	#if defined( __parallel )
	1818	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
	1819	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
	1820	comm2d, ierr )
	1821	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
	1822	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
	1823	MPI_INTEGER, MPI_SUM, comm2d, ierr )
	1824	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
	1825	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
	1826	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
	1827	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
	1828	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
	1829	MPI_SUM, comm2d, ierr )
	1830	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
	1831	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
	1832	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
	1833	mean_surface_level_height(0), sr, MPI_REAL, &
	1834	MPI_SUM, comm2d, ierr )
	1835	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
	1836	#else
	1837	ngp_2dh = ngp_2dh_l
	1838	ngp_2dh_outer = ngp_2dh_outer_l
	1839	ngp_2dh_s_inner = ngp_2dh_s_inner_l
	1840	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
	1841	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
	1842	#endif
	1843
	1844	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1845	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
	1846
	1847	!
	1848	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1849	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1850	!-- the respective subdomain lie below the surface topography
	1851	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
	1852	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1853	ngp_3d_inner(:) )
	1854	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
	1855
	1856	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
	1857	ngp_3d_inner_l, ngp_3d_inner_tmp )
[4548]	1858
[2696]	1859	!
[3347]	1860	!-- Initializae 3D offline nesting in COSMO model and read data from
	1861	!-- external NetCDF file.
	1862	IF ( nesting_offline ) CALL nesting_offl_init
	1863	!
[787]	1864	!-- Initialize quantities for special advections schemes
	1865	CALL init_advec
[680]	1866
[667]	1867	!
[680]	1868	!-- Impose random perturbation on the horizontal velocity field and then
	1869	!-- remove the divergences from the velocity field at the initial stage
[1788]	1870	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
	1871	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[680]	1872	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1873
[3987]	1874	IF ( debug_output ) CALL debug_message( 'creating disturbances + applying pressure solver', 'start' )
[3849]	1875	!
	1876	!-- Needed for both disturb_field and pres
	1877	!$ACC DATA &
	1878	!$ACC CREATE(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	1879	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	1880	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	1881
[2232]	1882	CALL disturb_field( 'u', tend, u )
	1883	CALL disturb_field( 'v', tend, v )
[1384]	1884
[3849]	1885	!$ACC DATA &
	1886	!$ACC CREATE(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
	1887	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	1888	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	1889	!$ACC COPYIN(rho_air(nzb:nzt+1), rho_air_zw(nzb:nzt+1)) &
	1890	!$ACC COPYIN(ddzu(1:nzt+1), ddzw(1:nzt+1)) &
[4346]	1891	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3849]	1892	!$ACC COPYIN(bc_h(0:1)) &
	1893	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
	1894	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
	1895	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
	1896	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
	1897	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
	1898	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
	1899
[680]	1900	n_sor = nsor_ini
	1901	CALL pres
	1902	n_sor = nsor
[1384]	1903
[3849]	1904	!$ACC END DATA
	1905	!$ACC END DATA
	1906
[3987]	1907	IF ( debug_output ) CALL debug_message( 'creating disturbances + applying pressure solver', 'end' )
	1908
[680]	1909	ENDIF
	1910
[3294]	1911	IF ( .NOT. ocean_mode ) THEN
[3274]	1912
	1913	ALLOCATE( hyp(nzb:nzt+1) )
	1914	ALLOCATE( d_exner(nzb:nzt+1) )
	1915	ALLOCATE( exner(nzb:nzt+1) )
	1916	ALLOCATE( hyrho(nzb:nzt+1) )
[1849]	1917	!
[3274]	1918	!-- Check temperature in case of too large domain height
	1919	DO k = nzb, nzt+1
	1920	IF ( ( pt_surface * exner_function(surface_pressure * 100.0_wp) - g/c_p * zu(k) ) < 0.0_wp ) THEN
	1921	WRITE( message_string, * ) 'absolute temperature < 0.0 at zu(', k, &
	1922	') = ', zu(k)
[3685]	1923	CALL message( 'init_3d_model', 'PA0142', 1, 2, 0, 6, 0 )
[3274]	1924	ENDIF
	1925	ENDDO
	1926
	1927	!
	1928	!-- Calculate vertical profile of the hydrostatic pressure (hyp)
	1929	hyp = barometric_formula(zu, pt_surface * exner_function(surface_pressure * 100.0_wp), surface_pressure * 100.0_wp)
	1930	d_exner = exner_function_invers(hyp)
	1931	exner = 1.0_wp / exner_function_invers(hyp)
	1932	hyrho = ideal_gas_law_rho_pt(hyp, pt_init)
	1933	!
	1934	!-- Compute reference density
	1935	rho_surface = ideal_gas_law_rho(surface_pressure * 100.0_wp, pt_surface * exner_function(surface_pressure * 100.0_wp))
	1936
[96]	1937	ENDIF
[1]	1938
	1939	!
	1940	!-- If required, initialize particles
[3159]	1941	IF ( agents_active ) CALL mas_init
	1942	!
[3937]	1943	!-- Initialization of synthetic turbulence generator
	1944	IF ( use_syn_turb_gen ) CALL stg_init
[2696]	1945	!
[3685]	1946	!-- Initializing actions for all other modules
	1947	CALL module_interface_init
[2696]	1948	!
[3685]	1949	!-- Initialize surface layer (done after LSM as roughness length are required
	1950	!-- for initialization
	1951	IF ( constant_flux_layer ) CALL init_surface_layer_fluxes
[2977]	1952	!
[3421]	1953	!-- Initialize surface data output
[3685]	1954	IF ( surface_output ) CALL surface_data_output_init
[3472]	1955	!
[673]	1956	!-- Initialize the ws-scheme.
[3448]	1957	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[3711]	1958	!
	1959	!-- Perform post-initializing checks for all other modules
	1960	CALL module_interface_init_checks
[1]	1961
	1962	!
[4548]	1963	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
	1964	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
	1965	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	1966	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
	1967	CALL ls_forcing_surf ( simulated_time )
	1968	ENDIF
	1969	ENDIF
	1970	!
[709]	1971	!-- Setting weighting factors for calculation of perturbation pressure
[1762]	1972	!-- and turbulent quantities from the RK substeps
[709]	1973	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1974
[1322]	1975	weight_substep(1) = 1._wp/6._wp
	1976	weight_substep(2) = 3._wp/10._wp
	1977	weight_substep(3) = 8._wp/15._wp
[709]	1978
[1322]	1979	weight_pres(1) = 1._wp/3._wp
	1980	weight_pres(2) = 5._wp/12._wp
	1981	weight_pres(3) = 1._wp/4._wp
[709]	1982
	1983	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1984
[1322]	1985	weight_substep(1) = 1._wp/2._wp
	1986	weight_substep(2) = 1._wp/2._wp
[673]	1987
[1322]	1988	weight_pres(1) = 1._wp/2._wp
	1989	weight_pres(2) = 1._wp/2._wp
[709]	1990
[1001]	1991	ELSE ! for Euler-method
[709]	1992
[1340]	1993	weight_substep(1) = 1.0_wp
	1994	weight_pres(1) = 1.0_wp
[709]	1995
[673]	1996	ENDIF
	1997
	1998	!
[1]	1999	!-- Initialize Rayleigh damping factors
[1340]	2000	rdf = 0.0_wp
	2001	rdf_sc = 0.0_wp
	2002	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[3294]	2003
	2004	IF ( .NOT. ocean_mode ) THEN
[108]	2005	DO k = nzb+1, nzt
	2006	IF ( zu(k) >= rayleigh_damping_height ) THEN
[1788]	2007	rdf(k) = rayleigh_damping_factor * &
[1340]	2008	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
[1788]	2009	/ ( zu(nzt) - rayleigh_damping_height ) ) &
[1]	2010	)**2
[108]	2011	ENDIF
	2012	ENDDO
	2013	ELSE
[3294]	2014	!
	2015	!-- In ocean mode, rayleigh damping is applied in the lower part of the
	2016	!-- model domain
[108]	2017	DO k = nzt, nzb+1, -1
	2018	IF ( zu(k) <= rayleigh_damping_height ) THEN
[1788]	2019	rdf(k) = rayleigh_damping_factor * &
[1340]	2020	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
[1788]	2021	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
[108]	2022	)**2
	2023	ENDIF
	2024	ENDDO
	2025	ENDIF
[3294]	2026
[1]	2027	ENDIF
[785]	2028	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	2029
	2030	!
[240]	2031	!-- Initialize the starting level and the vertical smoothing factor used for
	2032	!-- the external pressure gradient
[1340]	2033	dp_smooth_factor = 1.0_wp
[240]	2034	IF ( dp_external ) THEN
	2035	!
	2036	!-- Set the starting level dp_level_ind_b only if it has not been set before
	2037	!-- (e.g. in init_grid).
	2038	IF ( dp_level_ind_b == 0 ) THEN
	2039	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	2040	dp_level_ind_b = ind_array(1) - 1 + nzb
	2041	! MINLOC uses lower array bound 1
	2042	ENDIF
	2043	IF ( dp_smooth ) THEN
[1340]	2044	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	2045	DO k = dp_level_ind_b+1, nzt
[1340]	2046	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	2047	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	2048	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	2049	ENDDO
	2050	ENDIF
	2051	ENDIF
	2052
	2053	!
[978]	2054	!-- Initialize damping zone for the potential temperature in case of
	2055	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	2056	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	2057	ptdf_x = 0.0_wp
	2058	ptdf_y = 0.0_wp
[1159]	2059	IF ( bc_lr_dirrad ) THEN
[996]	2060	DO i = nxl, nxr
[978]	2061	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	2062	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	2063	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
[1788]	2064	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	2065	ENDIF
	2066	ENDDO
[1159]	2067	ELSEIF ( bc_lr_raddir ) THEN
[996]	2068	DO i = nxl, nxr
[978]	2069	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	2070	ptdf_x(i) = pt_damping_factor * &
[1340]	2071	SIN( pi * 0.5_wp * &
	2072	( ( i - nx ) * dx + pt_damping_width ) / &
	2073	REAL( pt_damping_width, KIND=wp ) )**2
[73]	2074	ENDIF
[978]	2075	ENDDO
[1159]	2076	ELSEIF ( bc_ns_dirrad ) THEN
[996]	2077	DO j = nys, nyn
[978]	2078	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	2079	ptdf_y(j) = pt_damping_factor * &
[1340]	2080	SIN( pi * 0.5_wp * &
	2081	( ( j - ny ) * dy + pt_damping_width ) / &
	2082	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2083	ENDIF
[978]	2084	ENDDO
[1159]	2085	ELSEIF ( bc_ns_raddir ) THEN
[996]	2086	DO j = nys, nyn
[978]	2087	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	2088	ptdf_y(j) = pt_damping_factor * &
[1340]	2089	SIN( pi * 0.5_wp * &
	2090	( pt_damping_width - j * dy ) / &
	2091	REAL( pt_damping_width, KIND=wp ) )**2
[1]	2092	ENDIF
[73]	2093	ENDDO
[1]	2094	ENDIF
[51]	2095
[1]	2096	!
	2097	!-- Input binary data file is not needed anymore. This line must be placed
	2098	!-- after call of user_init!
	2099	CALL close_file( 13 )
[2934]	2100	!
	2101	!-- In case of nesting, put an barrier to assure that all parent and child
	2102	!-- domains finished initialization.
	2103	#if defined( __parallel )
	2104	IF ( nested_run ) CALL MPI_BARRIER( MPI_COMM_WORLD, ierr )
	2105	#endif
[1]	2106
[2934]	2107
[3987]	2108	CALL location_message( 'model initialization', 'finished' )
[1]	2109
	2110	END SUBROUTINE init_3d_model

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source: palm/trunk/SOURCE/init_3d_model.f90 @ 4586

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