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source: palm/trunk/SOURCE/time_integration.f90 @ 4229

Last change on this file since 4229 was 4227, checked in by gronemeier, 6 years ago
implement new palm_date_time_mod; replaced namelist parameters time_utc_init and day_of_year_init by origin_date_time
Property svn:keywords set to `Id`
File size: 69.5 KB

Rev	Line
[1682]	1	!> @file time_integration.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	!
[3647]	17	! Copyright 1997-2019 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[484]	20	! Current revisions:
[1092]	21	! ------------------
[1928]	22	!
[3745]	23	!
[1366]	24	! Former revisions:
	25	! -----------------
	26	! $Id: time_integration.f90 4227 2019-09-10 18:04:34Z Giersch $
[4227]	27	! implement new palm_date_time_mod
	28	!
	29	! 4226 2019-09-10 17:03:24Z suehring
[4226]	30	! Changes in interface for the offline nesting
	31	!
	32	! 4182 2019-08-22 15:20:23Z scharf
[4182]	33	! Corrected "Former revisions" section
	34	!
	35	! 4170 2019-08-19 17:12:31Z gronemeier
[4170]	36	! copy diss, diss_p, tdiss_m to GPU
	37	!
	38	! 4144 2019-08-06 09:11:47Z raasch
[4144]	39	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
	40	!
	41	! 4126 2019-07-30 11:09:11Z gronemeier
[4126]	42	! renamed routine to calculate uv exposure
	43	!
	44	! 4111 2019-07-22 18:16:57Z suehring
[4111]	45	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
	46	!
	47	! 4069 2019-07-01 14:05:51Z Giersch
[4069]	48	! Masked output running index mid has been introduced as a local variable to
	49	! avoid runtime error (Loop variable has been modified) in time_integration
	50	!
	51	! 4064 2019-07-01 05:33:33Z gronemeier
[4064]	52	! Moved call to radiation module out of intermediate time loop
	53	!
	54	! 4048 2019-06-21 21:00:21Z knoop
[4048]	55	! Moved production_e_init call into turbulence_closure_mod
	56	!
	57	! 4047 2019-06-21 18:58:09Z knoop
[4047]	58	! Added remainings of swap_timelevel upon its dissolution
	59	!
	60	! 4043 2019-06-18 16:59:00Z schwenkel
[4043]	61	! Further LPM modularization
	62	!
	63	! 4039 2019-06-18 10:32:41Z suehring
[4039]	64	! Rename subroutines in module for diagnostic quantities
	65	!
	66	! 4029 2019-06-14 14:04:35Z raasch
[4029]	67	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
	68	! bugfix: decycling of chemistry species after nesting data transfer
	69	!
	70	! 4022 2019-06-12 11:52:39Z suehring
[4022]	71	! Call synthetic turbulence generator at last RK3 substep right after boundary
	72	! conditions are updated in offline nesting in order to assure that
	73	! perturbations are always imposed
	74	!
	75	! 4017 2019-06-06 12:16:46Z schwenkel
[4010]	76	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
	77	!
	78	! 3994 2019-05-22 18:08:09Z suehring
[3994]	79	! output of turbulence intensity added
	80	!
	81	! 3988 2019-05-22 11:32:37Z kanani
[3988]	82	! Implement steerable output interval for virtual measurements
	83	!
	84	! 3968 2019-05-13 11:04:01Z suehring
[3968]	85	! replace nspec_out with n_matched_vars
	86	!
	87	! 3929 2019-04-24 12:52:08Z banzhafs
[3929]	88	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
	89	! chem_boundary_conds_decycle
	90	!
	91	!
	92	! 3885 2019-04-11 11:29:34Z kanani
[3885]	93	! Changes related to global restructuring of location messages and introduction
	94	! of additional debug messages
[3929]	95	!
[3885]	96	! 3879 2019-04-08 20:25:23Z knoop
[3875]	97	! Moved wtm_forces to module_interface_actions
	98	!
	99	! 3872 2019-04-08 15:03:06Z knoop
[3864]	100	! Modifications made for salsa:
	101	! - Call salsa_emission_update at each time step but do the checks within
	102	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
	103	! and next_aero_emission_update <= time_since_reference_point ).
	104	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
	105	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
	106	! - Apply nesting for salsa variables
	107	! - Removed cpu_log calls speciffic for salsa.
	108	!
	109	! 3833 2019-03-28 15:04:04Z forkel
[3879]	110	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
[3833]	111	!
	112	! 3820 2019-03-27 11:53:41Z forkel
[3820]	113	! renamed do_emiss to emissions_anthropogenic (ecc)
	114	!
	115	!
	116	! 3774 2019-03-04 10:52:49Z moh.hefny
[3774]	117	! rephrase if statement to avoid unallocated array in case of
	118	! nesting_offline is false (crashing during debug mode)
	119	!
	120	! 3761 2019-02-25 15:31:42Z raasch $
[3761]	121	! module section re-formatted and openacc required variables moved to separate section,
	122	! re-formatting to 100 char line width
	123	!
	124	! 3745 2019-02-15 18:57:56Z suehring
[3745]	125	! Call indoor model after first timestep
	126	!
	127	! 3744 2019-02-15 18:38:58Z suehring
[3742]	128	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
	129	! time_integration to make sure averaged input is updated before calculating.
	130	!
	131	! 3739 2019-02-13 08:05:17Z dom_dwd_user
[3739]	132	! Removed everything related to "time_bio_results" as this is never used.
	133	!
	134	! 3724 2019-02-06 16:28:23Z kanani
[3724]	135	! Correct double-used log_point_s unit
	136	!
	137	! 3719 2019-02-06 13:10:18Z kanani
[3719]	138	! - removed wind_turbine cpu measurement, since same time is measured inside
	139	! wtm_forces subroutine as special measures
	140	! - moved the numerous vnest cpulog to special measures
	141	! - extended radiation cpulog over entire radiation part,
	142	! moved radiation_interactions cpulog to special measures
	143	! - moved some cpu_log calls to this routine for better overview
	144	!
	145	! 3705 2019-01-29 19:56:39Z suehring
[3705]	146	! Data output for virtual measurements added
	147	!
	148	! 3704 2019-01-29 19:51:41Z suehring
[3648]	149	! Rename subroutines for surface-data output
	150	!
	151	! 3647 2019-01-02 14:10:44Z kanani
[3647]	152	! Bugfix: add time_since_reference_point to IF clause for data_output calls
	153	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
	154	! Clean up indoor_model and biometeorology model call.
[3569]	155	!
[4182]	156	! Revision 1.1 1997/08/11 06:19:04 raasch
	157	! Initial revision
	158	!
	159	!
[1]	160	! Description:
	161	! ------------
[1682]	162	!> Integration in time of the model equations, statistical analysis and graphic
	163	!> output
[1]	164	!------------------------------------------------------------------------------!
[1682]	165	SUBROUTINE time_integration
	166
[1]	167
[3761]	168	USE advec_ws, &
[1320]	169	ONLY: ws_statistics
	170
[3761]	171	USE arrays_3d, &
	172	ONLY: diss, diss_p, dzu, e, e_p, nc, nc_p, nr, nr_p, prho, pt, pt_p, pt_init, q_init, q, &
	173	qc, qc_p, ql, ql_c, ql_v, ql_vp, qr, qr_p, q_p, ref_state, rho_ocean, s, s_p, sa_p, &
	174	tend, u, u_p, v, vpt, v_p, w, w_p
[1320]	175
[3761]	176	USE biometeorology_mod, &
[4126]	177	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
	178	uv_exposure
[3448]	179
[3761]	180	USE bulk_cloud_model_mod, &
	181	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
	182	microphysics_morrison, microphysics_seifert
[3294]	183
[3761]	184	USE calc_mean_profile_mod, &
[1320]	185	ONLY: calc_mean_profile
	186
[3761]	187	USE chem_emissions_mod, &
[3298]	188	ONLY: chem_emissions_setup
[2696]	189
[3833]	190	USE chem_gasphase_mod, &
[3929]	191	ONLY: nvar
[3833]	192
[3761]	193	USE chem_modules, &
[3968]	194	ONLY: bc_cs_t_val, chem_species, cs_name, emissions_anthropogenic, n_matched_vars
[2696]	195
[3761]	196	USE chemistry_model_mod, &
[3929]	197	ONLY: chem_boundary_conds
[3298]	198
[3761]	199	USE control_parameters, &
	200	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
	201	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
	202	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
	203	cloud_droplets, constant_flux_layer, constant_heatflux, create_disturbances, &
	204	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
	205	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
	206	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
	207	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
[4017]	208	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
[3761]	209	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
	210	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
	211	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
[4069]	212	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
[3761]	213	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
	214	pt_slope_offset, random_heatflux, rans_mode, rans_tke_e, run_coupled, salsa, &
	215	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
	216	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
	217	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
	218	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
	219	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
	220	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
[4017]	221	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
[3761]	222	turbulent_inflow, turbulent_outflow, urban_surface, &
	223	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
[4047]	224	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca, timestep_count
[1320]	225
[3761]	226	USE cpulog, &
[1320]	227	ONLY: cpu_log, log_point, log_point_s
	228
[3994]	229	USE diagnostic_output_quantities_mod, &
[4039]	230	ONLY: doq_calculate, &
[3994]	231	timestep_number_at_prev_calc
	232
[3761]	233	USE flight_mod, &
[1957]	234	ONLY: flight_measurement
	235
[3761]	236	USE indices, &
	237	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
[1320]	238
[3761]	239	USE indoor_model_mod, &
	240	ONLY: dt_indoor, im_main_heatcool, time_indoor
[3469]	241
[1918]	242	USE interfaces
	243
[1320]	244	USE kinds
	245
[3761]	246	USE land_surface_model_mod, &
	247	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
[1496]	248
[4017]	249	USE lagrangian_particle_model_mod, &
[4043]	250	ONLY: lpm_data_output_ptseries, lpm_interaction_droplets_ptq
[3761]	251
	252	USE lsf_nudging_mod, &
[3347]	253	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
[1320]	254
[3761]	255	USE module_interface, &
[4047]	256	ONLY: module_interface_actions, module_interface_swap_timelevel
[3684]	257
[3761]	258	USE multi_agent_system_mod, &
[3198]	259	ONLY: agents_active, multi_agent_system
[3448]	260
[3761]	261	USE nesting_offl_mod, &
[4226]	262	ONLY: nesting_offl_bc, &
	263	nesting_offl_geostrophic_wind, &
	264	nesting_offl_input, &
	265	nesting_offl_interpolation_factor, &
	266	nesting_offl_mass_conservation
[3864]	267
[3761]	268	USE netcdf_data_input_mod, &
[4226]	269	ONLY: chem_emis, chem_emis_att
[3298]	270
[3761]	271	USE ocean_mod, &
[3294]	272	ONLY: prho_reference
	273
[4227]	274	USE palm_date_time_mod, &
	275	ONLY: get_date_time
	276
[3761]	277	USE particle_attributes, &
	278	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
[1320]	279
[1]	280	USE pegrid
	281
[3761]	282	USE pmc_interface, &
[4010]	283	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
[4047]	284	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
	285	pmci_set_swaplevel
[1762]	286
[3761]	287	USE progress_bar, &
[1402]	288	ONLY: finish_progress_bar, output_progress_bar
	289
[3761]	290	USE prognostic_equations_mod, &
[2118]	291	ONLY: prognostic_equations_cache, prognostic_equations_vector
[1320]	292
[3761]	293	USE radiation_model_mod, &
	294	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
	295	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
[3864]	296
[3761]	297	USE salsa_mod, &
[3864]	298	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
	299	nbins_aerosol, ncomponents_mass, ngases_salsa, salsa_boundary_conds, &
	300	salsa_emission_update, salsa_gas, salsa_gases_from_chem, skip_time_do_salsa
[1496]	301
[3761]	302	USE spectra_mod, &
	303	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
[1786]	304
[3761]	305	USE statistics, &
	306	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
[1320]	307
[3761]	308
	309	USE surface_layer_fluxes_mod, &
[1691]	310	ONLY: surface_layer_fluxes
	311
[3761]	312	USE surface_data_output_mod, &
	313	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
	314	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
[3648]	315	skip_time_dosurf_av, time_dosurf, time_dosurf_av
[2232]	316
[3761]	317	USE surface_mod, &
	318	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
	319
	320	USE synthetic_turbulence_generator_mod, &
	321	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
	322	time_stg_adjust, time_stg_call, use_syn_turb_gen
	323
	324	USE turbulence_closure_mod, &
[4048]	325	ONLY: tcm_diffusivities
[2696]	326
[3761]	327	USE urban_surface_mod, &
	328	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
[3597]	329	usm_surface_energy_balance, usm_green_heat_model
[2007]	330
[3761]	331	USE vertical_nesting_mod, &
	332	ONLY: vnested, vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
	333	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init, vnest_init_fine, &
	334	vnest_start_time
[3864]	335
[3761]	336	USE virtual_measurement_mod, &
[3988]	337	ONLY: dt_virtual_measurement, &
	338	time_virtual_measurement, &
	339	vm_data_output, &
	340	vm_sampling, &
	341	vm_time_start
[2259]	342
[1914]	343
[3761]	344	#if defined( _OPENACC )
	345	USE arrays_3d, &
	346	ONLY: d, dd2zu, ddzu, ddzw, drho_air, drho_air_zw, dzw, heatflux_output_conversion, kh, &
	347	km, momentumflux_output_conversion, p, ptdf_x, ptdf_y, rdf, rdf_sc, rho_air, &
[4170]	348	rho_air_zw, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, u_stokes_zu, vg, &
	349	v_init, v_stokes_zu, zu
[2365]	350
[3761]	351	USE control_parameters, &
	352	ONLY: tsc
	353
	354	USE indices, &
[4111]	355	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_0
[3761]	356
	357	USE statistics, &
	358	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
	359	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
	360	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
[3872]	361	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l
[3761]	362
	363	USE surface_mod, &
	364	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
	365	#endif
	366
	367
[1]	368	IMPLICIT NONE
	369
[3298]	370	CHARACTER (LEN=9) :: time_to_string !<
[3864]	371
[4227]	372	INTEGER(iwp) :: hour !< hour of current time
	373	INTEGER(iwp) :: hour_call_emis !< last hour where emission was called
	374	INTEGER(iwp) :: ib !< index for aerosol size bins
	375	INTEGER(iwp) :: ic !< index for aerosol mass bins
	376	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
	377	INTEGER(iwp) :: ig !< index for salsa gases
	378	INTEGER(iwp) :: lsp !<
	379	INTEGER(iwp) :: lsp_usr !<
	380	INTEGER(iwp) :: mid !< masked output running index
	381	INTEGER(iwp) :: n !< loop counter for chemistry species
[3014]	382
[1918]	383	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
	384	!< steering of run control output interval
[3241]	385	REAL(wp) :: time_since_reference_point_save !< original value of
	386	!< time_since_reference_point
	387
[3634]	388
[3761]	389	!
	390	!-- Copy data from arrays_3d
[3634]	391	!$ACC DATA &
	392	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
[4170]	393	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	394	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	395	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	396	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	397	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	398	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	399	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	400	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	401	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	402
	403	!$ACC DATA &
[4170]	404	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	405	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	406	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	407	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	408	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	409	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	410	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[4170]	411	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	412	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	413	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	414	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	415	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	416	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	417
	418	!$ACC DATA &
	419	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
	420	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
	421	!$ACC COPYIN(zu(nzb:nzt+1)) &
	422	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
	423	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
	424	!$ACC COPYIN(ddzw(1:nzt+1)) &
[3658]	425	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
	426	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
[3634]	427	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
	428	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
	429	!$ACC COPYIN(ref_state(0:nz+1)) &
	430	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
	431	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
	432	!$ACC COPYIN(pt_init(0:nz+1)) &
	433	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
	434
[3761]	435	!
	436	!-- Copy data from control_parameters
[3634]	437	!$ACC DATA &
	438	!$ACC COPYIN(tsc(1:5))
	439
[3761]	440	!
	441	!-- Copy data from indices
[3634]	442	!$ACC DATA &
[4111]	443	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	444	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	445	!$ACC COPYIN(wall_flags_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	446
[3761]	447	!
	448	!-- Copy data from surface_mod
[3634]	449	!$ACC DATA &
	450	!$ACC COPYIN(bc_h(0:1)) &
	451	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
	452	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
	453	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
	454	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
	455	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
	456	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
	457
[3761]	458	!
	459	!-- Copy data from statistics
[3634]	460	!$ACC DATA &
[3658]	461	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
[3634]	462	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
	463	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
[3658]	464	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
[3634]	465	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
	466	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
	467	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
	468	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
	469	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
	470	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
	471	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
	472	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
	473	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
	474	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
	475	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
	476	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
	477	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
	478	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
	479	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
	480
[3761]	481	#if defined( _OPENACC )
[3658]	482	CALL enter_surface_arrays
	483	#endif
	484
[1]	485	!
[1918]	486	!-- At beginning determine the first time step
	487	CALL timestep
[1764]	488	!
	489	!-- Synchronize the timestep in case of nested run.
	490	IF ( nested_run ) THEN
[1878]	491	!
	492	!-- Synchronization by unifying the time step.
	493	!-- Global minimum of all time-steps is used for all.
	494	CALL pmci_synchronize
[1764]	495	ENDIF
	496
[1918]	497	!
	498	!-- Determine and print out the run control quantities before the first time
	499	!-- step of this run. For the initial run, some statistics (e.g. divergence)
[3004]	500	!-- need to be determined first --> CALL flow_statistics at the beginning of
	501	!-- run_control
[1]	502	CALL run_control
[108]	503	!
	504	!-- Data exchange between coupled models in case that a call has been omitted
	505	!-- at the end of the previous run of a job chain.
[3761]	506	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
[108]	507	!
	508	!-- In case of model termination initiated by the local model the coupler
	509	!-- must not be called because this would again cause an MPI hang.
[1918]	510	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[108]	511	CALL surface_coupler
	512	time_coupling = time_coupling - dt_coupling
	513	ENDDO
[3761]	514	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
[348]	515	time_coupling = time_since_reference_point
	516	ENDIF
[108]	517	ENDIF
	518
[3885]	519	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
[3761]	520
[1]	521	!
	522	!-- Start of the time loop
[3761]	523	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
[1]	524
	525	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
	526	!
[2365]	527	!-- Vertical nesting: initialize fine grid
	528	IF ( vnested ) THEN
	529	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
[3719]	530	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
[2365]	531	CALL vnest_init_fine
	532	vnest_init = .TRUE.
[3719]	533	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
[2365]	534	ENDIF
	535	ENDIF
	536	!
[1241]	537	!-- Determine ug, vg and w_subs in dependence on data from external file
	538	!-- LSF_DATA
[1365]	539	IF ( large_scale_forcing .AND. lsf_vert ) THEN
[1241]	540	CALL ls_forcing_vert ( simulated_time )
[1365]	541	sums_ls_l = 0.0_wp
[1241]	542	ENDIF
	543
	544	!
[1380]	545	!-- Set pt_init and q_init to the current profiles taken from
	546	!-- NUDGING_DATA
	547	IF ( nudging ) THEN
	548	CALL nudge_ref ( simulated_time )
	549	!
	550	!-- Store temperature gradient at the top boundary for possible Neumann
	551	!-- boundary condition
	552	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
	553	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
[3298]	554	IF ( air_chemistry ) THEN
[3929]	555	DO lsp = 1, nvar
	556	bc_cs_t_val = ( chem_species(lsp)%conc_pr_init(nzt+1) &
	557	- chem_species(lsp)%conc_pr_init(nzt) ) &
[3298]	558	/ dzu(nzt+1)
	559	ENDDO
	560	ENDIF
[3864]	561	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	562	DO ib = 1, nbins_aerosol
	563	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
	564	dzu(nzt+1)
	565	DO ic = 1, ncomponents_mass
	566	icc = ( ic - 1 ) * nbins_aerosol + ib
	567	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
	568	dzu(nzt+1)
	569	ENDDO
	570	ENDDO
	571	IF ( .NOT. salsa_gases_from_chem ) THEN
	572	DO ig = 1, ngases_salsa
	573	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
	574	dzu(nzt+1)
	575	ENDDO
	576	ENDIF
	577	ENDIF
[1380]	578	ENDIF
[2696]	579	!
[4226]	580	!-- Input of boundary data.
	581	IF ( nesting_offline ) CALL nesting_offl_input
[1380]	582	!
[3876]	583	!-- Execute all other module actions routunes
[3684]	584	CALL module_interface_actions( 'before_timestep' )
[1914]	585
	586	!
[1]	587	!-- Start of intermediate step loop
	588	intermediate_timestep_count = 0
[3761]	589	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
[1]	590
	591	intermediate_timestep_count = intermediate_timestep_count + 1
	592
	593	!
	594	!-- Set the steering factors for the prognostic equations which depend
	595	!-- on the timestep scheme
	596	CALL timestep_scheme_steering
	597
	598	!
[1128]	599	!-- Calculate those variables needed in the tendency terms which need
	600	!-- global communication
[3761]	601	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
	602	THEN
[1179]	603	!
	604	!-- Horizontally averaged profiles to be used as reference state in
	605	!-- buoyancy terms (WARNING: only the respective last call of
	606	!-- calc_mean_profile defines the reference state!)
[1365]	607	IF ( .NOT. neutral ) THEN
	608	CALL calc_mean_profile( pt, 4 )
	609	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
	610	ENDIF
[3294]	611	IF ( ocean_mode ) THEN
[2031]	612	CALL calc_mean_profile( rho_ocean, 64 )
[1365]	613	ref_state(:) = hom(:,1,64,0)
	614	ENDIF
	615	IF ( humidity ) THEN
	616	CALL calc_mean_profile( vpt, 44 )
	617	ref_state(:) = hom(:,1,44,0)
	618	ENDIF
[2617]	619	!
	620	!-- Assure that ref_state does not become zero at any level
	621	!-- ( might be the case if a vertical level is completely occupied
	622	!-- with topography ).
[3761]	623	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
[1179]	624	ENDIF
	625
[3761]	626	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
	627	THEN
	628	CALL ws_statistics
	629	ENDIF
[1365]	630	!
	631	!-- In case of nudging calculate current nudging time scale and horizontal
[1380]	632	!-- means of u, v, pt and q
[1365]	633	IF ( nudging ) THEN
	634	CALL calc_tnudge( simulated_time )
	635	CALL calc_mean_profile( u, 1 )
	636	CALL calc_mean_profile( v, 2 )
	637	CALL calc_mean_profile( pt, 4 )
	638	CALL calc_mean_profile( q, 41 )
	639	ENDIF
[1128]	640	!
[3876]	641	!-- Execute all other module actions routunes
	642	CALL module_interface_actions( 'before_prognostic_equations' )
	643	!
[1]	644	!-- Solve the prognostic equations. A fast cache optimized version with
	645	!-- only one single loop is used in case of Piascek-Williams advection
	646	!-- scheme. NEC vector machines use a different version, because
	647	!-- in the other versions a good vectorization is prohibited due to
	648	!-- inlining problems.
[1019]	649	IF ( loop_optimization == 'cache' ) THEN
	650	CALL prognostic_equations_cache
	651	ELSEIF ( loop_optimization == 'vector' ) THEN
[63]	652	CALL prognostic_equations_vector
[1]	653	ENDIF
	654
	655	!
[849]	656	!-- Particle transport/physics with the Lagrangian particle model
	657	!-- (only once during intermediate steps, because it uses an Euler-step)
[1128]	658	!-- ### particle model should be moved before prognostic_equations, in order
	659	!-- to regard droplet interactions directly
[3761]	660	IF ( particle_advection .AND. time_since_reference_point >= particle_advection_start &
	661	.AND. intermediate_timestep_count == 1 ) &
	662	THEN
[4017]	663	CALL module_interface_actions( 'after_prognostic_equations' )
[849]	664	first_call_lpm = .FALSE.
[1]	665	ENDIF
	666
	667	!
[3040]	668	!-- Interaction of droplets with temperature and mixing ratio.
[1]	669	!-- Droplet condensation and evaporation is calculated within
	670	!-- advec_particles.
[3761]	671	IF ( cloud_droplets .AND. intermediate_timestep_count == intermediate_timestep_count_max ) &
[1]	672	THEN
[4043]	673	CALL lpm_interaction_droplets_ptq
[1]	674	ENDIF
	675
	676	!
[3159]	677	!-- Movement of agents in multi agent system
[3761]	678	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
	679	time_since_reference_point <= multi_agent_system_end .AND. &
	680	intermediate_timestep_count == 1 ) &
	681	THEN
[3159]	682	CALL multi_agent_system
	683	first_call_mas = .FALSE.
	684	ENDIF
	685
	686	!
[1]	687	!-- Exchange of ghost points (lateral boundary conditions)
[2118]	688	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
[1113]	689
[2118]	690	CALL exchange_horiz( u_p, nbgp )
	691	CALL exchange_horiz( v_p, nbgp )
	692	CALL exchange_horiz( w_p, nbgp )
	693	CALL exchange_horiz( pt_p, nbgp )
	694	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
[3761]	695	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
[2696]	696	.OR. use_sgs_for_particles ) THEN
	697	IF ( rans_tke_e ) THEN
	698	CALL exchange_horiz( diss_p, nbgp )
	699	ELSE
	700	CALL exchange_horiz( diss, nbgp )
	701	ENDIF
	702	ENDIF
[3294]	703	IF ( ocean_mode ) THEN
[2118]	704	CALL exchange_horiz( sa_p, nbgp )
	705	CALL exchange_horiz( rho_ocean, nbgp )
	706	CALL exchange_horiz( prho, nbgp )
	707	ENDIF
	708	IF ( humidity ) THEN
	709	CALL exchange_horiz( q_p, nbgp )
[3274]	710	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
[2292]	711	CALL exchange_horiz( qc_p, nbgp )
	712	CALL exchange_horiz( nc_p, nbgp )
	713	ENDIF
[3274]	714	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
[2118]	715	CALL exchange_horiz( qr_p, nbgp )
	716	CALL exchange_horiz( nr_p, nbgp )
[1053]	717	ENDIF
[2118]	718	ENDIF
	719	IF ( cloud_droplets ) THEN
	720	CALL exchange_horiz( ql, nbgp )
	721	CALL exchange_horiz( ql_c, nbgp )
	722	CALL exchange_horiz( ql_v, nbgp )
	723	CALL exchange_horiz( ql_vp, nbgp )
	724	ENDIF
[2696]	725	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
[3929]	726	IF ( air_chemistry ) THEN
	727	DO lsp = 1, nvar
	728	CALL exchange_horiz( chem_species(lsp)%conc_p, nbgp )
[4029]	729	ENDDO
	730	ENDIF
	731
	732	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	733	DO ib = 1, nbins_aerosol
	734	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp )
	735	DO ic = 1, ncomponents_mass
	736	icc = ( ic - 1 ) * nbins_aerosol + ib
	737	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp )
	738	ENDDO
	739	ENDDO
	740	IF ( .NOT. salsa_gases_from_chem ) THEN
	741	DO ig = 1, ngases_salsa
	742	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp )
	743	ENDDO
	744	ENDIF
	745	ENDIF
	746	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
	747
[3929]	748	!
[4029]	749	!-- Boundary conditions for the prognostic quantities (except of the
	750	!-- velocities at the outflow in case of a non-cyclic lateral wall)
	751	CALL boundary_conds
	752
	753	!
	754	!-- Boundary conditions for prognostic quantitites of other modules:
	755	!-- Here, only decycling is carried out
	756	IF ( air_chemistry ) THEN
	757
	758	DO lsp = 1, nvar
[3929]	759	lsp_usr = 1
	760	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
[4029]	761	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
[3929]	762	CALL chem_boundary_conds( chem_species(lsp)%conc_p, &
	763	chem_species(lsp)%conc_pr_init )
	764	ENDIF
	765	lsp_usr = lsp_usr + 1
	766	ENDDO
	767	ENDDO
[4029]	768
[3929]	769	ENDIF
[2766]	770
[3864]	771	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
[4029]	772
[3864]	773	DO ib = 1, nbins_aerosol
	774	CALL salsa_boundary_conds( aerosol_number(ib)%conc_p, aerosol_number(ib)%init )
	775	DO ic = 1, ncomponents_mass
	776	icc = ( ic - 1 ) * nbins_aerosol + ib
	777	CALL salsa_boundary_conds( aerosol_mass(icc)%conc_p, aerosol_mass(icc)%init )
[3467]	778	ENDDO
	779	ENDDO
	780	IF ( .NOT. salsa_gases_from_chem ) THEN
[3864]	781	DO ig = 1, ngases_salsa
	782	CALL salsa_boundary_conds( salsa_gas(ig)%conc_p, salsa_gas(ig)%init )
	783	ENDDO
[3467]	784	ENDIF
[4029]	785
[3864]	786	ENDIF
[1128]	787
[1]	788	!
[4047]	789	!-- Incrementing timestep counter
	790	timestep_count = timestep_count + 1
[73]	791
[4047]	792	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
[2365]	793	!
[4047]	794	!-- Set the swap level for all modules
	795	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
	796	!
	797	!-- Set the swap level for steering the pmc data transfer
	798	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
	799
	800	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
	801
	802	!
[2365]	803	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
	804	IF ( vnest_init ) THEN
[3719]	805	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
[2365]	806	CALL vnest_anterpolate
[3719]	807	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
[2365]	808	ENDIF
	809
[1764]	810	IF ( nested_run ) THEN
[1797]	811
[1764]	812	CALL cpu_log( log_point(60), 'nesting', 'start' )
[1762]	813	!
[1933]	814	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
	815	!-- and pmci_child_datatrans are called inside the wrapper
[1797]	816	!-- subroutine pmci_datatrans according to the control parameters
	817	!-- nesting_mode and nesting_datatransfer_mode.
	818	!-- TO_DO: why is nesting_mode given as a parameter here?
	819	CALL pmci_datatrans( nesting_mode )
[1762]	820
[3761]	821	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
[4029]	822
	823	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
[1762]	824	!
[1933]	825	!-- Exchange_horiz is needed for all parent-domains after the
[1764]	826	!-- anterpolation
	827	CALL exchange_horiz( u, nbgp )
	828	CALL exchange_horiz( v, nbgp )
	829	CALL exchange_horiz( w, nbgp )
[2174]	830	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
	831
	832	IF ( humidity ) THEN
	833
	834	CALL exchange_horiz( q, nbgp )
	835
[3274]	836	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
[2292]	837	CALL exchange_horiz( qc, nbgp )
	838	CALL exchange_horiz( nc, nbgp )
	839	ENDIF
[3274]	840	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
[2174]	841	CALL exchange_horiz( qr, nbgp )
	842	CALL exchange_horiz( nr, nbgp )
	843	ENDIF
	844
	845	ENDIF
	846
[3467]	847	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
[3864]	848
[2174]	849	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
[2773]	850
[3761]	851	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
[2938]	852	CALL exchange_horiz( diss, nbgp )
[3761]	853	ENDIF
[2938]	854
[2773]	855	IF ( air_chemistry ) THEN
[3929]	856	DO n = 1, nvar
[2773]	857	CALL exchange_horiz( chem_species(n)%conc, nbgp )
	858	ENDDO
	859	ENDIF
	860
[3864]	861	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	862	DO ib = 1, nbins_aerosol
	863	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp )
	864	DO ic = 1, ncomponents_mass
	865	icc = ( ic - 1 ) * nbins_aerosol + ib
	866	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp )
	867	ENDDO
	868	ENDDO
	869	IF ( .NOT. salsa_gases_from_chem ) THEN
	870	DO ig = 1, ngases_salsa
	871	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp )
	872	ENDDO
	873	ENDIF
	874	ENDIF
[4029]	875	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
[3864]	876
[1762]	877	ENDIF
[4029]	878
[1762]	879	!
[2311]	880	!-- Set boundary conditions again after interpolation and anterpolation.
	881	CALL pmci_boundary_conds
[1764]	882
[4029]	883	!
	884	!-- Set chemistry boundary conditions (decycling)
	885	IF ( air_chemistry ) THEN
	886	DO lsp = 1, nvar
	887	lsp_usr = 1
	888	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
	889	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
	890	CALL chem_boundary_conds( chem_species(lsp)%conc, &
	891	chem_species(lsp)%conc_pr_init )
	892	ENDIF
	893	lsp_usr = lsp_usr + 1
	894	ENDDO
	895	ENDDO
	896	ENDIF
	897
	898	!
	899	!-- Set SALSA boundary conditions (decycling)
	900	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	901	DO ib = 1, nbins_aerosol
	902	CALL salsa_boundary_conds( aerosol_number(ib)%conc, aerosol_number(ib)%init )
	903	DO ic = 1, ncomponents_mass
	904	icc = ( ic - 1 ) * nbins_aerosol + ib
	905	CALL salsa_boundary_conds( aerosol_mass(icc)%conc, aerosol_mass(icc)%init )
	906	ENDDO
	907	ENDDO
	908	IF ( .NOT. salsa_gases_from_chem ) THEN
	909	DO ig = 1, ngases_salsa
	910	CALL salsa_boundary_conds( salsa_gas(ig)%conc, salsa_gas(ig)%init )
	911	ENDDO
	912	ENDIF
	913	ENDIF
	914
[1764]	915	CALL cpu_log( log_point(60), 'nesting', 'stop' )
	916
[1762]	917	ENDIF
	918
	919	!
[1]	920	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
	921	!-- when a sloping surface is used
	922	IF ( sloping_surface ) THEN
[3761]	923	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
	924	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
[1]	925	ENDIF
	926
	927	!
[151]	928	!-- Impose a turbulent inflow using the recycling method
[3719]	929	IF ( turbulent_inflow ) CALL inflow_turbulence
[151]	930
	931	!
[2050]	932	!-- Set values at outflow boundary using the special outflow condition
[3719]	933	IF ( turbulent_outflow ) CALL outflow_turbulence
[2050]	934
	935	!
[1]	936	!-- Impose a random perturbation on the horizontal velocity field
[3761]	937	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
	938	intermediate_timestep_count == intermediate_timestep_count_max ) &
	939	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
[1]	940	THEN
	941	time_disturb = time_disturb + dt_3d
	942	IF ( time_disturb >= dt_disturb ) THEN
[3761]	943	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
[1736]	944	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
[2232]	945	CALL disturb_field( 'u', tend, u )
	946	CALL disturb_field( 'v', tend, v )
[3761]	947	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
	948	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
[3182]	949	THEN
[1]	950	!
	951	!-- Runs with a non-cyclic lateral wall need perturbations
	952	!-- near the inflow throughout the whole simulation
	953	dist_range = 1
[2232]	954	CALL disturb_field( 'u', tend, u )
	955	CALL disturb_field( 'v', tend, v )
[1]	956	dist_range = 0
	957	ENDIF
	958	time_disturb = time_disturb - dt_disturb
	959	ENDIF
	960	ENDIF
	961
	962	!
[2696]	963	!-- Map forcing data derived from larger scale model onto domain
[4226]	964	!-- boundaries. Further, update geostrophic wind components.
[3761]	965	IF ( nesting_offline .AND. intermediate_timestep_count == &
[4226]	966	intermediate_timestep_count_max ) THEN
	967	!-- Determine interpolation factor before boundary conditions and geostrophic wind
	968	!-- is updated.
	969	CALL nesting_offl_interpolation_factor
[3347]	970	CALL nesting_offl_bc
[4226]	971	CALL nesting_offl_geostrophic_wind
	972	ENDIF
[2938]	973	!
[4022]	974	!-- Impose a turbulent inflow using synthetic generated turbulence.
	975	IF ( use_syn_turb_gen .AND. &
	976	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
[3719]	977	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
[3347]	978	CALL stg_main
[3719]	979	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
[2696]	980	ENDIF
	981	!
[3347]	982	!-- Ensure mass conservation. This need to be done after imposing
	983	!-- synthetic turbulence and top boundary condition for pressure is set to
	984	!-- Neumann conditions.
	985	!-- Is this also required in case of Dirichlet?
	986	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
	987	!
[1]	988	!-- Reduce the velocity divergence via the equation for perturbation
	989	!-- pressure.
[106]	990	IF ( intermediate_timestep_count == 1 .OR. &
	991	call_psolver_at_all_substeps ) THEN
[2365]	992
	993	IF ( vnest_init ) THEN
	994	!
	995	!-- Compute pressure in the CG, interpolate top boundary conditions
	996	!-- to the FG and then compute pressure in the FG
	997	IF ( coupling_mode == 'vnested_crse' ) CALL pres
	998
[3719]	999	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
[2365]	1000	CALL vnest_boundary_conds
[3719]	1001	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
[2365]	1002
	1003	IF ( coupling_mode == 'vnested_fine' ) CALL pres
	1004
	1005	!-- Anterpolate TKE, satisfy Germano Identity
[3719]	1006	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
[2365]	1007	CALL vnest_anterpolate_e
[3719]	1008	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
[2365]	1009
	1010	ELSE
[4010]	1011	!
	1012	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
	1013	IF ( child_domain ) THEN
	1014	IF ( nesting_mode == 'vertical' ) THEN
	1015	CALL pmci_ensure_nest_mass_conservation_vertical
	1016	ELSE
	1017	CALL pmci_ensure_nest_mass_conservation
	1018	ENDIF
	1019	ENDIF
	1020
[2365]	1021	CALL pres
	1022
	1023	ENDIF
	1024
[1]	1025	ENDIF
	1026
	1027	!
	1028	!-- If required, compute liquid water content
[3274]	1029	IF ( bulk_cloud_model ) THEN
[1015]	1030	CALL calc_liquid_water_content
	1031	ENDIF
[2174]	1032	!
[1115]	1033	!-- If required, compute virtual potential temperature
	1034	IF ( humidity ) THEN
	1035	CALL compute_vpt
	1036	ENDIF
[1585]	1037
[1]	1038	!
	1039	!-- Compute the diffusion quantities
	1040	IF ( .NOT. constant_diffusion ) THEN
	1041
	1042	!
[1276]	1043	!-- Determine surface fluxes shf and qsws and surface values
	1044	!-- pt_surface and q_surface in dependence on data from external
	1045	!-- file LSF_DATA respectively
[3761]	1046	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
	1047	intermediate_timestep_count == intermediate_timestep_count_max ) &
[1276]	1048	THEN
[2320]	1049	CALL ls_forcing_surf( simulated_time )
[1276]	1050	ENDIF
	1051
	1052	!
[2232]	1053	!-- First the vertical (and horizontal) fluxes in the surface
	1054	!-- (constant flux) layer are computed
[1691]	1055	IF ( constant_flux_layer ) THEN
	1056	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
	1057	CALL surface_layer_fluxes
	1058	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
[1]	1059	ENDIF
	1060	!
[1691]	1061	!-- If required, solve the energy balance for the surface and run soil
[2232]	1062	!-- model. Call for horizontal as well as vertical surfaces
[2696]	1063	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
[1691]	1064
	1065	CALL cpu_log( log_point(54), 'land_surface', 'start' )
[2232]	1066	!
	1067	!-- Call for horizontal upward-facing surfaces
	1068	CALL lsm_energy_balance( .TRUE., -1 )
[2299]	1069	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
[2232]	1070	!
	1071	!-- Call for northward-facing surfaces
	1072	CALL lsm_energy_balance( .FALSE., 0 )
[2299]	1073	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
[2232]	1074	!
	1075	!-- Call for southward-facing surfaces
	1076	CALL lsm_energy_balance( .FALSE., 1 )
[2299]	1077	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
[2232]	1078	!
	1079	!-- Call for eastward-facing surfaces
	1080	CALL lsm_energy_balance( .FALSE., 2 )
[2299]	1081	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
[2232]	1082	!
	1083	!-- Call for westward-facing surfaces
	1084	CALL lsm_energy_balance( .FALSE., 3 )
[2299]	1085	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
[3597]	1086
[2696]	1087	!
	1088	!-- At the end, set boundary conditons for potential temperature
	1089	!-- and humidity after running the land-surface model. This
	1090	!-- might be important for the nesting, where arrays are transfered.
	1091	CALL lsm_boundary_condition
[2232]	1092
[3597]	1093
[1691]	1094	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
	1095	ENDIF
	1096	!
[2007]	1097	!-- If required, solve the energy balance for urban surfaces and run
	1098	!-- the material heat model
	1099	IF (urban_surface) THEN
	1100	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
[3176]	1101
[3418]	1102	CALL usm_surface_energy_balance( .FALSE. )
[2007]	1103	IF ( usm_material_model ) THEN
[2696]	1104	CALL usm_green_heat_model
[3418]	1105	CALL usm_material_heat_model ( .FALSE. )
[2007]	1106	ENDIF
[2696]	1107
	1108	!
	1109	!-- At the end, set boundary conditons for potential temperature
	1110	!-- and humidity after running the urban-surface model. This
	1111	!-- might be important for the nesting, where arrays are transfered.
	1112	CALL usm_boundary_condition
	1113
[2007]	1114	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
	1115	ENDIF
	1116	!
[1]	1117	!-- Compute the diffusion coefficients
	1118	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
[75]	1119	IF ( .NOT. humidity ) THEN
[3294]	1120	IF ( ocean_mode ) THEN
[2696]	1121	CALL tcm_diffusivities( prho, prho_reference )
[97]	1122	ELSE
[2696]	1123	CALL tcm_diffusivities( pt, pt_reference )
[97]	1124	ENDIF
[1]	1125	ELSE
[2696]	1126	CALL tcm_diffusivities( vpt, pt_reference )
[1]	1127	ENDIF
	1128	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
[2696]	1129	!
	1130	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
	1131	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
[1]	1132
	1133	ENDIF
	1134
	1135	ENDDO ! Intermediate step loop
[3634]	1136
[1]	1137	!
[3634]	1138	!-- Will be used at some point by flow_statistics.
[3658]	1139	!$ACC UPDATE &
[3634]	1140	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
	1141	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
	1142	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
	1143	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
	1144	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
	1145	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
	1146	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
	1147	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
	1148	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
	1149	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
	1150	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
	1151	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
	1152	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
	1153	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
	1154	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
	1155
	1156	!
[4064]	1157	!-- If required, calculate radiative fluxes and heating rates
	1158	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
	1159
	1160	time_radiation = time_radiation + dt_3d
	1161
	1162	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
	1163
	1164	CALL cpu_log( log_point(50), 'radiation', 'start' )
	1165
	1166	IF ( .NOT. force_radiation_call ) THEN
	1167	time_radiation = time_radiation - dt_radiation
	1168	ENDIF
	1169
	1170	!
	1171	!-- Adjust the current time to the time step of the radiation model.
	1172	!-- Needed since radiation is pre-calculated and stored only on apparent
	1173	!-- solar positions
	1174	time_since_reference_point_save = time_since_reference_point
	1175	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
	1176	dt_radiation ), wp ) * dt_radiation
	1177
	1178	CALL radiation_control
	1179
	1180	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
	1181	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
	1182	CALL radiation_interaction
	1183	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
	1184	ENDIF
	1185
	1186	!
	1187	!-- Return the current time to its original value
	1188	time_since_reference_point = time_since_reference_point_save
	1189
	1190	CALL cpu_log( log_point(50), 'radiation', 'stop' )
	1191
	1192	ENDIF
	1193	ENDIF
	1194
	1195	!
[2766]	1196	!-- If required, consider chemical emissions
[3820]	1197	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
[3298]	1198	!
	1199	!-- Call emission routine only once an hour
[4227]	1200	!> @todo Move check of hour_call_emis into chem_emissions_setup
	1201	CALL get_date_time( time_since_reference_point, hour=hour )
	1202	IF ( hour_call_emis /= hour ) THEN
	1203	!> @question Which of these two if-statements is correct?
	1204	! IF ( hour_of_year > hour_call_emis ) THEN
[3968]	1205	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
[4227]	1206	hour_call_emis = hour
[3298]	1207	ENDIF
[2766]	1208	ENDIF
[3864]	1209	!
	1210	!-- If required, consider aerosol emissions for the salsa model
	1211	IF ( salsa ) THEN
	1212	!
	1213	!-- Call emission routine to update emissions if needed
	1214	CALL salsa_emission_update
[3569]	1215
[3864]	1216	ENDIF
[2696]	1217	!
[3469]	1218	!-- If required, calculate indoor temperature, waste heat, heat flux
	1219	!-- through wall, etc.
[3744]	1220	!-- dt_indoor steers the frequency of the indoor model calculations.
	1221	!-- Note, at first timestep indoor model is called, in order to provide
	1222	!-- a waste heat flux.
[3647]	1223	IF ( indoor_model ) THEN
[3469]	1224
	1225	time_indoor = time_indoor + dt_3d
	1226
[3761]	1227	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
[3469]	1228
	1229	time_indoor = time_indoor - dt_indoor
	1230
	1231	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
	1232	CALL im_main_heatcool
	1233	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
	1234
	1235	ENDIF
	1236	ENDIF
	1237	!
[1]	1238	!-- Increase simulation time and output times
[1111]	1239	nr_timesteps_this_run = nr_timesteps_this_run + 1
[291]	1240	current_timestep_number = current_timestep_number + 1
	1241	simulated_time = simulated_time + dt_3d
	1242	time_since_reference_point = simulated_time - coupling_start_time
[2941]	1243	simulated_time_chr = time_to_string( time_since_reference_point )
[291]	1244
[1957]	1245
[3646]	1246	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
[1]	1247	time_do_av = time_do_av + dt_3d
	1248	ENDIF
[3646]	1249	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
[1]	1250	time_do2d_xy = time_do2d_xy + dt_3d
	1251	ENDIF
[3646]	1252	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
[1]	1253	time_do2d_xz = time_do2d_xz + dt_3d
	1254	ENDIF
[3646]	1255	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
[1]	1256	time_do2d_yz = time_do2d_yz + dt_3d
	1257	ENDIF
[3646]	1258	IF ( time_since_reference_point >= skip_time_do3d ) THEN
[1]	1259	time_do3d = time_do3d + dt_3d
	1260	ENDIF
[410]	1261	DO mid = 1, masks
[3646]	1262	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
[410]	1263	time_domask(mid)= time_domask(mid) + dt_3d
	1264	ENDIF
	1265	ENDDO
[3646]	1266	IF ( time_since_reference_point >= skip_time_dosp ) THEN
[1]	1267	time_dosp = time_dosp + dt_3d
	1268	ENDIF
	1269	time_dots = time_dots + dt_3d
[849]	1270	IF ( .NOT. first_call_lpm ) THEN
[1]	1271	time_dopts = time_dopts + dt_3d
	1272	ENDIF
[3646]	1273	IF ( time_since_reference_point >= skip_time_dopr ) THEN
[1]	1274	time_dopr = time_dopr + dt_3d
	1275	ENDIF
[3467]	1276	time_dopr_listing = time_dopr_listing + dt_3d
[1]	1277	time_run_control = time_run_control + dt_3d
[3347]	1278	!
[3421]	1279	!-- Increment time-counter for surface output
[3648]	1280	IF ( surface_output ) THEN
[3646]	1281	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
[3421]	1282	time_dosurf = time_dosurf + dt_3d
	1283	ENDIF
[3646]	1284	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
[3421]	1285	time_dosurf_av = time_dosurf_av + dt_3d
	1286	ENDIF
	1287	ENDIF
	1288	!
[3988]	1289	!-- Increment time-counter for virtual measurements
	1290	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
	1291	time_virtual_measurement = time_virtual_measurement + dt_3d
	1292	ENDIF
	1293	!
[3347]	1294	!-- In case of synthetic turbulence generation and parametrized turbulence
	1295	!-- information, update the time counter and if required, adjust the
	1296	!-- STG to new atmospheric conditions.
	1297	IF ( use_syn_turb_gen ) THEN
	1298	IF ( parametrize_inflow_turbulence ) THEN
	1299	time_stg_adjust = time_stg_adjust + dt_3d
[3719]	1300	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
	1301	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
	1302	CALL stg_adjust
	1303	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
	1304	ENDIF
[3347]	1305	ENDIF
	1306	time_stg_call = time_stg_call + dt_3d
	1307	ENDIF
[1]	1308
	1309	!
[102]	1310	!-- Data exchange between coupled models
[3761]	1311	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
[102]	1312	time_coupling = time_coupling + dt_3d
[343]	1313
[108]	1314	!
	1315	!-- In case of model termination initiated by the local model
	1316	!-- (terminate_coupled > 0), the coupler must be skipped because it would
	1317	!-- cause an MPI intercomminucation hang.
	1318	!-- If necessary, the coupler will be called at the beginning of the
	1319	!-- next restart run.
[3761]	1320	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[102]	1321	CALL surface_coupler
	1322	time_coupling = time_coupling - dt_coupling
	1323	ENDDO
	1324	ENDIF
	1325
	1326	!
[3448]	1327	!-- Biometeorology calculation of stationary thermal indices
[3647]	1328	!-- Todo (kanani): biometeorology needs own time_... treatment.
	1329	!-- It might be that time_do2d_xy differs from time_do3d,
	1330	!-- and then we might get trouble with the biomet output,
	1331	!-- because we can have 2d and/or 3d biomet output!!
[3761]	1332	IF ( biometeorology &
	1333	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
	1334	.OR. &
	1335	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
[3647]	1336	) ) THEN
[3569]	1337	!
	1338	!-- If required, do thermal comfort calculations
	1339	IF ( thermal_comfort ) THEN
	1340	CALL bio_calculate_thermal_index_maps ( .FALSE. )
	1341	ENDIF
	1342	!
	1343	!-- If required, do UV exposure calculations
	1344	IF ( uv_exposure ) THEN
[4126]	1345	CALL bio_calculate_uv_exposure
[3569]	1346	ENDIF
[3448]	1347	ENDIF
	1348
	1349	!
[3684]	1350	!-- Execute alle other module actions routunes
	1351	CALL module_interface_actions( 'after_integration' )
[2817]	1352
	1353	!
[1]	1354	!-- If Galilei transformation is used, determine the distance that the
	1355	!-- model has moved so far
	1356	IF ( galilei_transformation ) THEN
	1357	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
	1358	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
	1359	ENDIF
	1360
	1361	!
	1362	!-- Check, if restart is necessary (because cpu-time is expiring or
	1363	!-- because it is forced by user) and set stop flag
[108]	1364	!-- This call is skipped if the remote model has already initiated a restart.
	1365	IF ( .NOT. terminate_run ) CALL check_for_restart
[1]	1366
	1367	!
	1368	!-- Carry out statistical analysis and output at the requested output times.
	1369	!-- The MOD function is used for calculating the output time counters (like
	1370	!-- time_dopr) in order to regard a possible decrease of the output time
	1371	!-- interval in case of restart runs
	1372
	1373	!
	1374	!-- Set a flag indicating that so far no statistics have been created
	1375	!-- for this time step
	1376	flow_statistics_called = .FALSE.
	1377
	1378	!
	1379	!-- If required, call flow_statistics for averaging in time
[3761]	1380	IF ( averaging_interval_pr /= 0.0_wp .AND. &
	1381	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
[3646]	1382	time_since_reference_point >= skip_time_dopr ) THEN
[1]	1383	time_dopr_av = time_dopr_av + dt_3d
	1384	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
	1385	do_sum = .TRUE.
[3761]	1386	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
[1]	1387	ENDIF
	1388	ENDIF
	1389	IF ( do_sum ) CALL flow_statistics
	1390
	1391	!
[410]	1392	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
[3761]	1393	IF ( averaging_interval /= 0.0_wp .AND. &
	1394	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
	1395	time_since_reference_point >= skip_time_data_output_av ) &
[1]	1396	THEN
	1397	time_do_sla = time_do_sla + dt_3d
	1398	IF ( time_do_sla >= dt_averaging_input ) THEN
[3994]	1399	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1400	CALL doq_calculate
[3994]	1401
[1]	1402	CALL sum_up_3d_data
	1403	average_count_3d = average_count_3d + 1
	1404	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
	1405	ENDIF
	1406	ENDIF
[3421]	1407	!
	1408	!-- Average surface data
[3648]	1409	IF ( surface_output ) THEN
[3761]	1410	IF ( averaging_interval_surf /= 0.0_wp &
	1411	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
[3647]	1412	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
[3421]	1413	IF ( time_dosurf_av >= dt_averaging_input ) THEN
[3648]	1414	CALL surface_data_output_averaging
[3421]	1415	average_count_surf = average_count_surf + 1
	1416	ENDIF
	1417	ENDIF
	1418	ENDIF
[1]	1419
	1420	!
	1421	!-- Calculate spectra for time averaging
[3761]	1422	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
	1423	.AND. time_since_reference_point >= skip_time_dosp ) THEN
[1]	1424	time_dosp_av = time_dosp_av + dt_3d
	1425	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
	1426	CALL calc_spectra
[3761]	1427	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
[1]	1428	ENDIF
	1429	ENDIF
	1430
	1431	!
[1957]	1432	!-- Call flight module and output data
	1433	IF ( virtual_flight ) THEN
	1434	CALL flight_measurement
	1435	CALL data_output_flight
	1436	ENDIF
[3472]	1437	!
	1438	!-- Take virtual measurements
[3988]	1439	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
	1440	.AND. vm_time_start <= time_since_reference_point ) THEN
[3704]	1441	CALL vm_sampling
	1442	CALL vm_data_output
[3988]	1443	time_virtual_measurement = MOD( time_virtual_measurement, &
	1444	MAX( dt_virtual_measurement, dt_3d ) )
[3704]	1445	ENDIF
[1957]	1446	!
[1]	1447	!-- Profile output (ASCII) on file
	1448	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
	1449	CALL print_1d
[3761]	1450	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
[1]	1451	ENDIF
	1452
	1453	!
	1454	!-- Graphic output for PROFIL
[3761]	1455	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
[1]	1456	IF ( dopr_n /= 0 ) CALL data_output_profiles
	1457	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
[1342]	1458	time_dopr_av = 0.0_wp ! due to averaging (see above)
[1]	1459	ENDIF
	1460
	1461	!
	1462	!-- Graphic output for time series
	1463	IF ( time_dots >= dt_dots ) THEN
[48]	1464	CALL data_output_tseries
[1]	1465	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
	1466	ENDIF
	1467
	1468	!
	1469	!-- Output of spectra (formatted for use with PROFIL), in case of no
	1470	!-- time averaging, spectra has to be calculated before
[3761]	1471	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
[1]	1472	IF ( average_count_sp == 0 ) CALL calc_spectra
	1473	CALL data_output_spectra
	1474	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
	1475	ENDIF
	1476
	1477	!
	1478	!-- 2d-data output (cross-sections)
[3761]	1479	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
[3994]	1480	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1481	CALL doq_calculate
[3994]	1482
[1]	1483	CALL data_output_2d( 'xy', 0 )
	1484	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
	1485	ENDIF
[3761]	1486	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
[3994]	1487	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
	1488
[4039]	1489	CALL doq_calculate
[1]	1490	CALL data_output_2d( 'xz', 0 )
	1491	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
	1492	ENDIF
[3761]	1493	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
[3994]	1494	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1495	CALL doq_calculate
[3994]	1496
[1]	1497	CALL data_output_2d( 'yz', 0 )
	1498	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
	1499	ENDIF
	1500
	1501	!
	1502	!-- 3d-data output (volume data)
[3761]	1503	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
[3994]	1504	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1505	CALL doq_calculate
[3994]	1506
[1]	1507	CALL data_output_3d( 0 )
	1508	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
	1509	ENDIF
	1510
	1511	!
[1783]	1512	!-- Masked data output
[410]	1513	DO mid = 1, masks
[3761]	1514	IF ( time_domask(mid) >= dt_domask(mid) &
	1515	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
[3994]	1516	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1517	CALL doq_calculate
[3994]	1518
[4069]	1519	CALL data_output_mask( 0, mid )
[3761]	1520	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
[410]	1521	ENDIF
	1522	ENDDO
	1523
	1524	!
	1525	!-- Output of time-averaged 2d/3d/masked data
[3761]	1526	IF ( time_do_av >= dt_data_output_av &
	1527	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
[1]	1528	CALL average_3d_data
[3742]	1529	!
	1530	!-- Udate thermal comfort indices based on updated averaged input
	1531	IF ( biometeorology .AND. thermal_comfort ) THEN
	1532	CALL bio_calculate_thermal_index_maps ( .TRUE. )
	1533	ENDIF
[1]	1534	CALL data_output_2d( 'xy', 1 )
	1535	CALL data_output_2d( 'xz', 1 )
	1536	CALL data_output_2d( 'yz', 1 )
	1537	CALL data_output_3d( 1 )
[410]	1538	DO mid = 1, masks
[4069]	1539	CALL data_output_mask( 1, mid )
[410]	1540	ENDDO
[1]	1541	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
	1542	ENDIF
[3421]	1543	!
	1544	!-- Output of surface data, instantaneous and averaged data
[3648]	1545	IF ( surface_output ) THEN
[3761]	1546	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
[3648]	1547	CALL surface_data_output( 0 )
[3421]	1548	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
	1549	ENDIF
[3761]	1550	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
[3648]	1551	CALL surface_data_output( 1 )
[3421]	1552	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
	1553	ENDIF
	1554	ENDIF
[1]	1555
	1556	!
	1557	!-- Output of particle time series
[253]	1558	IF ( particle_advection ) THEN
[3761]	1559	IF ( time_dopts >= dt_dopts .OR. &
	1560	( time_since_reference_point >= particle_advection_start .AND. &
[849]	1561	first_call_lpm ) ) THEN
[4017]	1562	CALL lpm_data_output_ptseries
[253]	1563	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
	1564	ENDIF
[1]	1565	ENDIF
	1566
	1567	!
[3719]	1568	!-- If required, set the heat flux for the next time step to a random value
[2232]	1569	IF ( constant_heatflux .AND. random_heatflux ) THEN
[3719]	1570	IF ( surf_def_h(0)%ns >= 1 ) THEN
	1571	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1572	CALL disturb_heatflux( surf_def_h(0) )
	1573	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1574	ENDIF
	1575	IF ( surf_lsm_h%ns >= 1 ) THEN
	1576	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1577	CALL disturb_heatflux( surf_lsm_h )
	1578	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1579	ENDIF
	1580	IF ( surf_usm_h%ns >= 1 ) THEN
	1581	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1582	CALL disturb_heatflux( surf_usm_h )
	1583	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1584	ENDIF
[2232]	1585	ENDIF
[1]	1586
	1587	!
[3684]	1588	!-- Execute alle other module actions routunes
	1589	CALL module_interface_actions( 'after_timestep' )
[2817]	1590
	1591	!
[1918]	1592	!-- Determine size of next time step. Save timestep dt_3d because it is
	1593	!-- newly calculated in routine timestep, but required further below for
	1594	!-- steering the run control output interval
	1595	dt_3d_old = dt_3d
	1596	CALL timestep
	1597
	1598	!
[1925]	1599	!-- Synchronize the timestep in case of nested run.
	1600	IF ( nested_run ) THEN
	1601	!
	1602	!-- Synchronize by unifying the time step.
	1603	!-- Global minimum of all time-steps is used for all.
	1604	CALL pmci_synchronize
	1605	ENDIF
	1606
	1607	!
[1918]	1608	!-- Computation and output of run control parameters.
	1609	!-- This is also done whenever perturbations have been imposed
[3761]	1610	IF ( time_run_control >= dt_run_control .OR. &
	1611	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
[1918]	1612	THEN
	1613	CALL run_control
	1614	IF ( time_run_control >= dt_run_control ) THEN
[3761]	1615	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
[1918]	1616	ENDIF
	1617	ENDIF
	1618
	1619	!
[1402]	1620	!-- Output elapsed simulated time in form of a progress bar on stdout
	1621	IF ( myid == 0 ) CALL output_progress_bar
	1622
[1]	1623	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
	1624
[667]	1625
[1]	1626	ENDDO ! time loop
[3448]	1627
[3761]	1628	#if defined( _OPENACC )
[3658]	1629	CALL exit_surface_arrays
	1630	#endif
[3634]	1631	!$ACC END DATA
	1632	!$ACC END DATA
	1633	!$ACC END DATA
	1634	!$ACC END DATA
	1635	!$ACC END DATA
	1636	!$ACC END DATA
	1637	!$ACC END DATA
	1638
[3347]	1639	!
[2365]	1640	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
	1641	IF ( vnest_init ) CALL vnest_deallocate
	1642
[1402]	1643	IF ( myid == 0 ) CALL finish_progress_bar
	1644
[3885]	1645	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
[1384]	1646
[1]	1647	END SUBROUTINE time_integration

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