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source: palm/trunk/SOURCE/time_integration.f90 @ 4468

Last change on this file since 4468 was 4466, checked in by suehring, 4 years ago
Vector branch in advec_ws optimized, symmetric boundary conditions implemented in vector branch
Property svn:keywords set to `Id`
File size: 72.3 KB

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[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	!
[4360]	17	! Copyright 1997-2020 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 4466 2020-03-20 16:14:41Z suehring $
[4466]	27	! Add advection fluxes to ACC copyin
	28	!
	29	! 4457 2020-03-11 14:20:43Z raasch
[4457]	30	! use statement for exchange horiz added
[4466]	31	!
[4457]	32	! 4444 2020-03-05 15:59:50Z raasch
[4444]	33	! bugfix: cpp-directives for serial mode added
[4466]	34	!
[4444]	35	! 4420 2020-02-24 14:13:56Z maronga
[4420]	36	! Added output control for wind turbine model
[4466]	37	!
[4420]	38	! 4403 2020-02-12 13:08:46Z banzhafs
[4403]	39	! Allowing both existing and on-demand emission read modes
	40	!
	41	! 4360 2020-01-07 11:25:50Z suehring
[4356]	42	! Bugfix, hour_call_emis uninitialized at first call of time_integration
[4466]	43	!
[4356]	44	! 4346 2019-12-18 11:55:56Z motisi
[4346]	45	! Introduction of wall_flags_total_0, which currently sets bits based on static
	46	! topography information used in wall_flags_static_0
[4466]	47	!
[4346]	48	! 4329 2019-12-10 15:46:36Z motisi
[4329]	49	! Renamed wall_flags_0 to wall_flags_static_0
[4466]	50	!
[4329]	51	! 4281 2019-10-29 15:15:39Z schwenkel
[4281]	52	! Moved boundary conditions to module interface
[4466]	53	!
[4281]	54	! 4276 2019-10-28 16:03:29Z schwenkel
[4276]	55	! Further modularization of lpm code components
[4466]	56	!
[4276]	57	! 4275 2019-10-28 15:34:55Z schwenkel
[4275]	58	! Move call oft lpm to the end of intermediate timestep loop
[4276]	59	!
[4275]	60	! 4268 2019-10-17 11:29:38Z schwenkel
[4268]	61	! Removing module specific boundary conditions an put them into their modules
[4276]	62	!
[4268]	63	! 4227 2019-09-10 18:04:34Z gronemeier
[4227]	64	! implement new palm_date_time_mod
[4466]	65	!
[4227]	66	! 4226 2019-09-10 17:03:24Z suehring
[4226]	67	! Changes in interface for the offline nesting
[4466]	68	!
[4226]	69	! 4182 2019-08-22 15:20:23Z scharf
[4182]	70	! Corrected "Former revisions" section
[4466]	71	!
[4182]	72	! 4170 2019-08-19 17:12:31Z gronemeier
[4170]	73	! copy diss, diss_p, tdiss_m to GPU
[4466]	74	!
[4170]	75	! 4144 2019-08-06 09:11:47Z raasch
[4144]	76	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
[4466]	77	!
[4144]	78	! 4126 2019-07-30 11:09:11Z gronemeier
[4126]	79	! renamed routine to calculate uv exposure
[4466]	80	!
[4126]	81	! 4111 2019-07-22 18:16:57Z suehring
[4111]	82	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
[4466]	83	!
[4111]	84	! 4069 2019-07-01 14:05:51Z Giersch
[4466]	85	! Masked output running index mid has been introduced as a local variable to
[4069]	86	! avoid runtime error (Loop variable has been modified) in time_integration
[4466]	87	!
[4069]	88	! 4064 2019-07-01 05:33:33Z gronemeier
[4064]	89	! Moved call to radiation module out of intermediate time loop
[4466]	90	!
[4064]	91	! 4048 2019-06-21 21:00:21Z knoop
[4048]	92	! Moved production_e_init call into turbulence_closure_mod
[4466]	93	!
[4048]	94	! 4047 2019-06-21 18:58:09Z knoop
[4047]	95	! Added remainings of swap_timelevel upon its dissolution
[4466]	96	!
[4047]	97	! 4043 2019-06-18 16:59:00Z schwenkel
[4043]	98	! Further LPM modularization
	99	!
	100	! 4039 2019-06-18 10:32:41Z suehring
[4039]	101	! Rename subroutines in module for diagnostic quantities
[4466]	102	!
[4039]	103	! 4029 2019-06-14 14:04:35Z raasch
[4029]	104	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
	105	! bugfix: decycling of chemistry species after nesting data transfer
[4466]	106	!
[4029]	107	! 4022 2019-06-12 11:52:39Z suehring
[4022]	108	! Call synthetic turbulence generator at last RK3 substep right after boundary
[4466]	109	! conditions are updated in offline nesting in order to assure that
	110	! perturbations are always imposed
	111	!
[4022]	112	! 4017 2019-06-06 12:16:46Z schwenkel
[4010]	113	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
[4466]	114	!
[4010]	115	! 3994 2019-05-22 18:08:09Z suehring
[3994]	116	! output of turbulence intensity added
[4466]	117	!
[3994]	118	! 3988 2019-05-22 11:32:37Z kanani
[3988]	119	! Implement steerable output interval for virtual measurements
[4466]	120	!
[3988]	121	! 3968 2019-05-13 11:04:01Z suehring
[3968]	122	! replace nspec_out with n_matched_vars
[4466]	123	!
[3968]	124	! 3929 2019-04-24 12:52:08Z banzhafs
[3929]	125	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
	126	! chem_boundary_conds_decycle
[4466]	127	!
	128	!
[3929]	129	! 3885 2019-04-11 11:29:34Z kanani
[4466]	130	! Changes related to global restructuring of location messages and introduction
[3885]	131	! of additional debug messages
[3929]	132	!
[3885]	133	! 3879 2019-04-08 20:25:23Z knoop
[3875]	134	! Moved wtm_forces to module_interface_actions
[4466]	135	!
[3875]	136	! 3872 2019-04-08 15:03:06Z knoop
[3864]	137	! Modifications made for salsa:
	138	! - Call salsa_emission_update at each time step but do the checks within
	139	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
	140	! and next_aero_emission_update <= time_since_reference_point ).
[4466]	141	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
[3864]	142	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
	143	! - Apply nesting for salsa variables
	144	! - Removed cpu_log calls speciffic for salsa.
[4466]	145	!
[3864]	146	! 3833 2019-03-28 15:04:04Z forkel
[3879]	147	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
[4466]	148	!
[3833]	149	! 3820 2019-03-27 11:53:41Z forkel
[3820]	150	! renamed do_emiss to emissions_anthropogenic (ecc)
[4466]	151	!
	152	!
[3820]	153	! 3774 2019-03-04 10:52:49Z moh.hefny
[3774]	154	! rephrase if statement to avoid unallocated array in case of
	155	! nesting_offline is false (crashing during debug mode)
	156	!
	157	! 3761 2019-02-25 15:31:42Z raasch $
[3761]	158	! module section re-formatted and openacc required variables moved to separate section,
	159	! re-formatting to 100 char line width
[4466]	160	!
[3761]	161	! 3745 2019-02-15 18:57:56Z suehring
[3745]	162	! Call indoor model after first timestep
[4466]	163	!
[3745]	164	! 3744 2019-02-15 18:38:58Z suehring
[3742]	165	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
	166	! time_integration to make sure averaged input is updated before calculating.
[4466]	167	!
[3742]	168	! 3739 2019-02-13 08:05:17Z dom_dwd_user
[3739]	169	! Removed everything related to "time_bio_results" as this is never used.
[4466]	170	!
[3739]	171	! 3724 2019-02-06 16:28:23Z kanani
[4466]	172	! Correct double-used log_point_s unit
	173	!
[3724]	174	! 3719 2019-02-06 13:10:18Z kanani
[3719]	175	! - removed wind_turbine cpu measurement, since same time is measured inside
	176	! wtm_forces subroutine as special measures
	177	! - moved the numerous vnest cpulog to special measures
	178	! - extended radiation cpulog over entire radiation part,
	179	! moved radiation_interactions cpulog to special measures
	180	! - moved some cpu_log calls to this routine for better overview
[4466]	181	!
[3719]	182	! 3705 2019-01-29 19:56:39Z suehring
[3705]	183	! Data output for virtual measurements added
[4466]	184	!
[3705]	185	! 3704 2019-01-29 19:51:41Z suehring
[3648]	186	! Rename subroutines for surface-data output
[4466]	187	!
[3648]	188	! 3647 2019-01-02 14:10:44Z kanani
[3647]	189	! Bugfix: add time_since_reference_point to IF clause for data_output calls
	190	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
	191	! Clean up indoor_model and biometeorology model call.
[3569]	192	!
[4182]	193	! Revision 1.1 1997/08/11 06:19:04 raasch
	194	! Initial revision
	195	!
	196	!
[1]	197	! Description:
	198	! ------------
[1682]	199	!> Integration in time of the model equations, statistical analysis and graphic
	200	!> output
[1]	201	!------------------------------------------------------------------------------!
[1682]	202	SUBROUTINE time_integration
[1]	203
[4466]	204
[3761]	205	USE advec_ws, &
[1320]	206	ONLY: ws_statistics
	207
[3761]	208	USE arrays_3d, &
[4444]	209	ONLY: diss, diss_p, dzu, e_p, nc_p, nr_p, prho, pt, pt_p, pt_init, q, qc_p, qr_p, q_init, &
	210	q_p, ref_state, rho_ocean, sa_p, s_p, tend, u, u_p, v, vpt, v_p, w_p
[1320]	211
[4444]	212	#if defined( __parallel ) && ! defined( _OPENACC )
	213	USE arrays_3d, &
	214	ONLY: e, nc, nr, qc, qr, s, w
	215	#endif
	216
[3761]	217	USE biometeorology_mod, &
[4126]	218	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
	219	uv_exposure
[3448]	220
[3761]	221	USE bulk_cloud_model_mod, &
	222	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
	223	microphysics_morrison, microphysics_seifert
[3294]	224
[3761]	225	USE calc_mean_profile_mod, &
[1320]	226	ONLY: calc_mean_profile
	227
[3761]	228	USE chem_emissions_mod, &
[4403]	229	ONLY: chem_emissions_setup, chem_emissions_update_on_demand
[2696]	230
[3833]	231	USE chem_gasphase_mod, &
[3929]	232	ONLY: nvar
[3833]	233
[3761]	234	USE chem_modules, &
[4444]	235	ONLY: bc_cs_t_val, chem_species, emissions_anthropogenic, emiss_read_legacy_mode, &
[4403]	236	n_matched_vars
[2696]	237
[4444]	238	#if defined( __parallel )
	239	USE chem_modules, &
	240	ONLY: cs_name
	241	#endif
	242
[3761]	243	USE chemistry_model_mod, &
[3929]	244	ONLY: chem_boundary_conds
[3298]	245
[3761]	246	USE control_parameters, &
	247	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
	248	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
	249	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
[4276]	250	constant_flux_layer, constant_heatflux, create_disturbances, &
[3761]	251	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
	252	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
	253	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
	254	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
[4017]	255	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
[3761]	256	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
	257	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
	258	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
[4069]	259	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
[3761]	260	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
[4444]	261	pt_slope_offset, random_heatflux, rans_tke_e, run_coupled, salsa, &
[3761]	262	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
	263	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
	264	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
	265	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
	266	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
	267	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
[4017]	268	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
[3761]	269	turbulent_inflow, turbulent_outflow, urban_surface, &
	270	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
[4047]	271	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca, timestep_count
[1320]	272
[4444]	273	#if defined( __parallel )
	274	USE control_parameters, &
	275	ONLY: rans_mode
	276	#endif
	277
[3761]	278	USE cpulog, &
[1320]	279	ONLY: cpu_log, log_point, log_point_s
	280
[3994]	281	USE diagnostic_output_quantities_mod, &
[4039]	282	ONLY: doq_calculate, &
[3994]	283	timestep_number_at_prev_calc
	284
[4457]	285	USE exchange_horiz_mod, &
	286	ONLY: exchange_horiz
	287
[3761]	288	USE flight_mod, &
[1957]	289	ONLY: flight_measurement
	290
[3761]	291	USE indices, &
	292	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
[1320]	293
[3761]	294	USE indoor_model_mod, &
	295	ONLY: dt_indoor, im_main_heatcool, time_indoor
[3469]	296
[1918]	297	USE interfaces
	298
[1320]	299	USE kinds
	300
[3761]	301	USE land_surface_model_mod, &
	302	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
[1496]	303
[4017]	304	USE lagrangian_particle_model_mod, &
[4276]	305	ONLY: lpm_data_output_ptseries
[3761]	306
	307	USE lsf_nudging_mod, &
[3347]	308	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
[1320]	309
[3761]	310	USE module_interface, &
[4268]	311	ONLY: module_interface_actions, module_interface_swap_timelevel, &
	312	module_interface_boundary_conditions
[3684]	313
[3761]	314	USE multi_agent_system_mod, &
[3198]	315	ONLY: agents_active, multi_agent_system
[3448]	316
[3761]	317	USE nesting_offl_mod, &
[4226]	318	ONLY: nesting_offl_bc, &
	319	nesting_offl_geostrophic_wind, &
	320	nesting_offl_input, &
	321	nesting_offl_interpolation_factor, &
	322	nesting_offl_mass_conservation
[3864]	323
[3761]	324	USE netcdf_data_input_mod, &
[4226]	325	ONLY: chem_emis, chem_emis_att
[3298]	326
[3761]	327	USE ocean_mod, &
[3294]	328	ONLY: prho_reference
	329
[4227]	330	USE palm_date_time_mod, &
	331	ONLY: get_date_time
	332
[3761]	333	USE particle_attributes, &
	334	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
[1320]	335
[1]	336	USE pegrid
	337
[4444]	338	#if defined( __parallel )
[3761]	339	USE pmc_interface, &
[4010]	340	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
[4047]	341	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
	342	pmci_set_swaplevel
[4444]	343	#endif
[1762]	344
[3761]	345	USE progress_bar, &
[1402]	346	ONLY: finish_progress_bar, output_progress_bar
	347
[3761]	348	USE prognostic_equations_mod, &
[2118]	349	ONLY: prognostic_equations_cache, prognostic_equations_vector
[1320]	350
[3761]	351	USE radiation_model_mod, &
	352	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
	353	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
[3864]	354
[3761]	355	USE salsa_mod, &
[3864]	356	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
	357	nbins_aerosol, ncomponents_mass, ngases_salsa, salsa_boundary_conds, &
	358	salsa_emission_update, salsa_gas, salsa_gases_from_chem, skip_time_do_salsa
[1496]	359
[3761]	360	USE spectra_mod, &
	361	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
[1786]	362
[3761]	363	USE statistics, &
	364	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
[1320]	365
[3761]	366
	367	USE surface_layer_fluxes_mod, &
[1691]	368	ONLY: surface_layer_fluxes
	369
[3761]	370	USE surface_data_output_mod, &
	371	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
	372	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
[3648]	373	skip_time_dosurf_av, time_dosurf, time_dosurf_av
[2232]	374
[3761]	375	USE surface_mod, &
	376	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
	377
	378	USE synthetic_turbulence_generator_mod, &
	379	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
	380	time_stg_adjust, time_stg_call, use_syn_turb_gen
	381
	382	USE turbulence_closure_mod, &
[4048]	383	ONLY: tcm_diffusivities
[2696]	384
[3761]	385	USE urban_surface_mod, &
	386	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
[3597]	387	usm_surface_energy_balance, usm_green_heat_model
[2007]	388
[3761]	389	USE vertical_nesting_mod, &
[4444]	390	ONLY: vnested, vnest_init
[3864]	391
[4444]	392	#if defined( __parallel )
	393	USE vertical_nesting_mod, &
	394	ONLY: vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
	395	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init_fine, vnest_start_time
	396	#endif
	397
[3761]	398	USE virtual_measurement_mod, &
[3988]	399	ONLY: dt_virtual_measurement, &
	400	time_virtual_measurement, &
	401	vm_data_output, &
	402	vm_sampling, &
	403	vm_time_start
[2259]	404
[4466]	405
[4420]	406	USE wind_turbine_model_mod, &
	407	ONLY: dt_data_output_wtm, time_wtm, wind_turbine, wtm_data_output
[1914]	408
[3761]	409	#if defined( _OPENACC )
[4444]	410	USE arrays_3d, &
[4466]	411	ONLY: d, dd2zu, ddzu, ddzw, &
	412	diss_l_u, &
	413	diss_l_v, &
	414	diss_l_w, &
	415	diss_s_u, &
	416	diss_s_v, &
	417	diss_s_w, &
	418	drho_air, drho_air_zw, dzw, e, &
	419	flux_l_u, &
	420	flux_l_v, &
	421	flux_l_w, &
	422	flux_s_u, &
	423	flux_s_v, &
	424	flux_s_w, &
	425	heatflux_output_conversion, &
[4444]	426	kh, km, momentumflux_output_conversion, nc, nr, p, ptdf_x, ptdf_y, qc, qr, rdf, &
	427	rdf_sc, rho_air, rho_air_zw, s, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, &
	428	u_stokes_zu, vg, v_init, v_stokes_zu, w, zu
[2365]	429
[3761]	430	USE control_parameters, &
	431	ONLY: tsc
	432
	433	USE indices, &
[4346]	434	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
[3761]	435
	436	USE statistics, &
	437	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
	438	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
	439	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
[3872]	440	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l
[3761]	441
	442	USE surface_mod, &
	443	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
	444	#endif
	445
	446
[1]	447	IMPLICIT NONE
	448
[3298]	449	CHARACTER (LEN=9) :: time_to_string !<
[3864]	450
[4356]	451	INTEGER(iwp) :: hour !< hour of current time
	452	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
	453	INTEGER(iwp) :: ib !< index for aerosol size bins
	454	INTEGER(iwp) :: ic !< index for aerosol mass bins
	455	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
	456	INTEGER(iwp) :: ig !< index for salsa gases
	457	INTEGER(iwp) :: lsp !<
[4444]	458	INTEGER(iwp) :: mid !< masked output running index
	459	#if defined( __parallel )
[4356]	460	INTEGER(iwp) :: lsp_usr !<
	461	INTEGER(iwp) :: n !< loop counter for chemistry species
[4444]	462	#endif
[3014]	463
[1918]	464	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
	465	!< steering of run control output interval
[3241]	466	REAL(wp) :: time_since_reference_point_save !< original value of
	467	!< time_since_reference_point
	468
[3634]	469
[3761]	470	!
	471	!-- Copy data from arrays_3d
[4466]	472	!$ACC DATA &
[3634]	473	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
[4170]	474	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	475	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	476	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	477	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	478	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	479	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	480	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	481	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	482	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	483
	484	!$ACC DATA &
[4466]	485	!$ACC COPYIN(diss_l_u(0:nz+1,nys:nyn,0), flux_l_u(0:nz+1,nys:nyn,0)) &
	486	!$ACC COPYIN(diss_l_v(0:nz+1,nys:nyn,0), flux_l_v(0:nz+1,nys:nyn,0)) &
	487	!$ACC COPYIN(diss_l_w(0:nz+1,nys:nyn,0), flux_l_w(0:nz+1,nys:nyn,0)) &
	488	!$ACC COPYIN(diss_s_u(0:nz+1,0), flux_s_u(0:nz+1,0)) &
	489	!$ACC COPYIN(diss_s_v(0:nz+1,0), flux_s_v(0:nz+1,0)) &
	490	!$ACC COPYIN(diss_s_w(0:nz+1,0), flux_s_w(0:nz+1,0)) &
[4170]	491	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	492	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	493	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	494	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	495	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	496	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	497	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[4170]	498	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	499	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	500	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	501	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	502	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	503	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	504
	505	!$ACC DATA &
	506	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
	507	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
	508	!$ACC COPYIN(zu(nzb:nzt+1)) &
	509	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
	510	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
	511	!$ACC COPYIN(ddzw(1:nzt+1)) &
[3658]	512	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
	513	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
[3634]	514	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
	515	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
	516	!$ACC COPYIN(ref_state(0:nz+1)) &
	517	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
	518	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
	519	!$ACC COPYIN(pt_init(0:nz+1)) &
	520	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
	521
[3761]	522	!
	523	!-- Copy data from control_parameters
[3634]	524	!$ACC DATA &
	525	!$ACC COPYIN(tsc(1:5))
	526
[3761]	527	!
	528	!-- Copy data from indices
[3634]	529	!$ACC DATA &
[4111]	530	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	531	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[4346]	532	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
[3634]	533
[3761]	534	!
	535	!-- Copy data from surface_mod
[3634]	536	!$ACC DATA &
	537	!$ACC COPYIN(bc_h(0:1)) &
	538	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
	539	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
	540	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
	541	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
	542	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
	543	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
	544
[3761]	545	!
	546	!-- Copy data from statistics
[3634]	547	!$ACC DATA &
[3658]	548	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
[3634]	549	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
	550	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
[3658]	551	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
[3634]	552	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
	553	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
	554	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
	555	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
	556	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
	557	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
	558	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
	559	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
	560	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
	561	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
	562	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
	563	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
	564	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
	565	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
	566	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
	567
[3761]	568	#if defined( _OPENACC )
[3658]	569	CALL enter_surface_arrays
	570	#endif
	571
[1]	572	!
[1918]	573	!-- At beginning determine the first time step
	574	CALL timestep
[4444]	575
	576	#if defined( __parallel )
[1764]	577	!
	578	!-- Synchronize the timestep in case of nested run.
	579	IF ( nested_run ) THEN
[1878]	580	!
	581	!-- Synchronization by unifying the time step.
	582	!-- Global minimum of all time-steps is used for all.
	583	CALL pmci_synchronize
[1764]	584	ENDIF
[4444]	585	#endif
[1764]	586
[1918]	587	!
	588	!-- Determine and print out the run control quantities before the first time
	589	!-- step of this run. For the initial run, some statistics (e.g. divergence)
[3004]	590	!-- need to be determined first --> CALL flow_statistics at the beginning of
	591	!-- run_control
[1]	592	CALL run_control
[108]	593	!
[4466]	594	!-- Data exchange between coupled models in case that a call has been omitted
[108]	595	!-- at the end of the previous run of a job chain.
[3761]	596	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
[108]	597	!
[4466]	598	!-- In case of model termination initiated by the local model the coupler
	599	!-- must not be called because this would again cause an MPI hang.
[1918]	600	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[108]	601	CALL surface_coupler
	602	time_coupling = time_coupling - dt_coupling
	603	ENDDO
[3761]	604	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
[348]	605	time_coupling = time_since_reference_point
	606	ENDIF
[108]	607	ENDIF
	608
[3885]	609	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
[3761]	610
[1]	611	!
	612	!-- Start of the time loop
[3761]	613	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
[1]	614
	615	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
[4444]	616
	617	#if defined( __parallel )
[1]	618	!
[2365]	619	!-- Vertical nesting: initialize fine grid
	620	IF ( vnested ) THEN
	621	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
[3719]	622	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
[2365]	623	CALL vnest_init_fine
	624	vnest_init = .TRUE.
[3719]	625	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
[2365]	626	ENDIF
	627	ENDIF
[4444]	628	#endif
	629
[2365]	630	!
[4466]	631	!-- Determine ug, vg and w_subs in dependence on data from external file
[1241]	632	!-- LSF_DATA
[1365]	633	IF ( large_scale_forcing .AND. lsf_vert ) THEN
[1241]	634	CALL ls_forcing_vert ( simulated_time )
[1365]	635	sums_ls_l = 0.0_wp
[1241]	636	ENDIF
	637
	638	!
[4466]	639	!-- Set pt_init and q_init to the current profiles taken from
	640	!-- NUDGING_DATA
[1380]	641	IF ( nudging ) THEN
	642	CALL nudge_ref ( simulated_time )
	643	!
	644	!-- Store temperature gradient at the top boundary for possible Neumann
	645	!-- boundary condition
	646	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
	647	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
[3298]	648	IF ( air_chemistry ) THEN
[3929]	649	DO lsp = 1, nvar
	650	bc_cs_t_val = ( chem_species(lsp)%conc_pr_init(nzt+1) &
	651	- chem_species(lsp)%conc_pr_init(nzt) ) &
[3298]	652	/ dzu(nzt+1)
	653	ENDDO
	654	ENDIF
[3864]	655	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	656	DO ib = 1, nbins_aerosol
	657	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
	658	dzu(nzt+1)
	659	DO ic = 1, ncomponents_mass
	660	icc = ( ic - 1 ) * nbins_aerosol + ib
	661	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
	662	dzu(nzt+1)
	663	ENDDO
	664	ENDDO
	665	IF ( .NOT. salsa_gases_from_chem ) THEN
	666	DO ig = 1, ngases_salsa
	667	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
	668	dzu(nzt+1)
	669	ENDDO
	670	ENDIF
	671	ENDIF
[1380]	672	ENDIF
[2696]	673	!
[4466]	674	!-- Input of boundary data.
[4226]	675	IF ( nesting_offline ) CALL nesting_offl_input
[1380]	676	!
[4276]	677	!-- Execute all other module actions routines
[3684]	678	CALL module_interface_actions( 'before_timestep' )
[4466]	679
[1]	680	!-- Start of intermediate step loop
	681	intermediate_timestep_count = 0
[3761]	682	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
[1]	683
	684	intermediate_timestep_count = intermediate_timestep_count + 1
	685
	686	!
	687	!-- Set the steering factors for the prognostic equations which depend
	688	!-- on the timestep scheme
	689	CALL timestep_scheme_steering
	690
	691	!
[1128]	692	!-- Calculate those variables needed in the tendency terms which need
	693	!-- global communication
[3761]	694	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
	695	THEN
[1179]	696	!
	697	!-- Horizontally averaged profiles to be used as reference state in
	698	!-- buoyancy terms (WARNING: only the respective last call of
	699	!-- calc_mean_profile defines the reference state!)
[1365]	700	IF ( .NOT. neutral ) THEN
	701	CALL calc_mean_profile( pt, 4 )
	702	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
	703	ENDIF
[3294]	704	IF ( ocean_mode ) THEN
[2031]	705	CALL calc_mean_profile( rho_ocean, 64 )
[1365]	706	ref_state(:) = hom(:,1,64,0)
	707	ENDIF
	708	IF ( humidity ) THEN
	709	CALL calc_mean_profile( vpt, 44 )
	710	ref_state(:) = hom(:,1,44,0)
	711	ENDIF
[2617]	712	!
	713	!-- Assure that ref_state does not become zero at any level
[4466]	714	!-- ( might be the case if a vertical level is completely occupied
[2617]	715	!-- with topography ).
[3761]	716	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
[1179]	717	ENDIF
	718
[3761]	719	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
	720	THEN
	721	CALL ws_statistics
	722	ENDIF
[1365]	723	!
	724	!-- In case of nudging calculate current nudging time scale and horizontal
[1380]	725	!-- means of u, v, pt and q
[1365]	726	IF ( nudging ) THEN
	727	CALL calc_tnudge( simulated_time )
	728	CALL calc_mean_profile( u, 1 )
	729	CALL calc_mean_profile( v, 2 )
	730	CALL calc_mean_profile( pt, 4 )
	731	CALL calc_mean_profile( q, 41 )
	732	ENDIF
[1128]	733	!
[3876]	734	!-- Execute all other module actions routunes
	735	CALL module_interface_actions( 'before_prognostic_equations' )
	736	!
[1]	737	!-- Solve the prognostic equations. A fast cache optimized version with
	738	!-- only one single loop is used in case of Piascek-Williams advection
	739	!-- scheme. NEC vector machines use a different version, because
	740	!-- in the other versions a good vectorization is prohibited due to
	741	!-- inlining problems.
[1019]	742	IF ( loop_optimization == 'cache' ) THEN
	743	CALL prognostic_equations_cache
	744	ELSEIF ( loop_optimization == 'vector' ) THEN
[63]	745	CALL prognostic_equations_vector
[1]	746	ENDIF
	747	!
[3159]	748	!-- Movement of agents in multi agent system
[3761]	749	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
	750	time_since_reference_point <= multi_agent_system_end .AND. &
	751	intermediate_timestep_count == 1 ) &
	752	THEN
[3159]	753	CALL multi_agent_system
	754	first_call_mas = .FALSE.
	755	ENDIF
	756
	757	!
[1]	758	!-- Exchange of ghost points (lateral boundary conditions)
[2118]	759	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
[1113]	760
[2118]	761	CALL exchange_horiz( u_p, nbgp )
	762	CALL exchange_horiz( v_p, nbgp )
	763	CALL exchange_horiz( w_p, nbgp )
	764	CALL exchange_horiz( pt_p, nbgp )
	765	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
[3761]	766	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
[2696]	767	.OR. use_sgs_for_particles ) THEN
	768	IF ( rans_tke_e ) THEN
	769	CALL exchange_horiz( diss_p, nbgp )
	770	ELSE
	771	CALL exchange_horiz( diss, nbgp )
	772	ENDIF
	773	ENDIF
[3294]	774	IF ( ocean_mode ) THEN
[2118]	775	CALL exchange_horiz( sa_p, nbgp )
	776	CALL exchange_horiz( rho_ocean, nbgp )
	777	CALL exchange_horiz( prho, nbgp )
	778	ENDIF
	779	IF ( humidity ) THEN
	780	CALL exchange_horiz( q_p, nbgp )
[3274]	781	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
[2292]	782	CALL exchange_horiz( qc_p, nbgp )
	783	CALL exchange_horiz( nc_p, nbgp )
	784	ENDIF
[3274]	785	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
[2118]	786	CALL exchange_horiz( qr_p, nbgp )
	787	CALL exchange_horiz( nr_p, nbgp )
[1053]	788	ENDIF
[2118]	789	ENDIF
[2696]	790	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
[3929]	791	IF ( air_chemistry ) THEN
	792	DO lsp = 1, nvar
	793	CALL exchange_horiz( chem_species(lsp)%conc_p, nbgp )
[4029]	794	ENDDO
	795	ENDIF
	796
	797	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	798	DO ib = 1, nbins_aerosol
	799	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp )
	800	DO ic = 1, ncomponents_mass
	801	icc = ( ic - 1 ) * nbins_aerosol + ib
	802	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp )
	803	ENDDO
	804	ENDDO
	805	IF ( .NOT. salsa_gases_from_chem ) THEN
	806	DO ig = 1, ngases_salsa
	807	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp )
	808	ENDDO
	809	ENDIF
	810	ENDIF
	811	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
	812
[3929]	813	!
[4029]	814	!-- Boundary conditions for the prognostic quantities (except of the
[4281]	815	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
	816	!-- boundary conditions for module-specific variables
[4268]	817	CALL module_interface_boundary_conditions
[1]	818	!
[4047]	819	!-- Incrementing timestep counter
	820	timestep_count = timestep_count + 1
[73]	821
[4047]	822	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
[2365]	823	!
[4047]	824	!-- Set the swap level for all modules
	825	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
[4444]	826
	827	#if defined( __parallel )
[4047]	828	!
	829	!-- Set the swap level for steering the pmc data transfer
	830	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
[4444]	831	#endif
[4047]	832
	833	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
	834
[4444]	835	#if defined( __parallel )
[4047]	836	!
[2365]	837	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
	838	IF ( vnest_init ) THEN
[3719]	839	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
[2365]	840	CALL vnest_anterpolate
[3719]	841	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
[2365]	842	ENDIF
	843
[1764]	844	IF ( nested_run ) THEN
[1797]	845
[1764]	846	CALL cpu_log( log_point(60), 'nesting', 'start' )
[1762]	847	!
[1933]	848	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
	849	!-- and pmci_child_datatrans are called inside the wrapper
[1797]	850	!-- subroutine pmci_datatrans according to the control parameters
	851	!-- nesting_mode and nesting_datatransfer_mode.
	852	!-- TO_DO: why is nesting_mode given as a parameter here?
	853	CALL pmci_datatrans( nesting_mode )
[1762]	854
[3761]	855	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
[4029]	856
	857	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
[1762]	858	!
[1933]	859	!-- Exchange_horiz is needed for all parent-domains after the
[1764]	860	!-- anterpolation
	861	CALL exchange_horiz( u, nbgp )
	862	CALL exchange_horiz( v, nbgp )
	863	CALL exchange_horiz( w, nbgp )
[2174]	864	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
	865
	866	IF ( humidity ) THEN
	867
	868	CALL exchange_horiz( q, nbgp )
	869
[3274]	870	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
[2292]	871	CALL exchange_horiz( qc, nbgp )
	872	CALL exchange_horiz( nc, nbgp )
	873	ENDIF
[3274]	874	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
[2174]	875	CALL exchange_horiz( qr, nbgp )
	876	CALL exchange_horiz( nr, nbgp )
	877	ENDIF
	878
	879	ENDIF
	880
[4466]	881	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
[3864]	882
[2174]	883	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
[2773]	884
[3761]	885	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
[2938]	886	CALL exchange_horiz( diss, nbgp )
[3761]	887	ENDIF
[2938]	888
[2773]	889	IF ( air_chemistry ) THEN
[3929]	890	DO n = 1, nvar
[4466]	891	CALL exchange_horiz( chem_species(n)%conc, nbgp )
[2773]	892	ENDDO
	893	ENDIF
	894
[3864]	895	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	896	DO ib = 1, nbins_aerosol
	897	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp )
	898	DO ic = 1, ncomponents_mass
	899	icc = ( ic - 1 ) * nbins_aerosol + ib
	900	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp )
	901	ENDDO
	902	ENDDO
	903	IF ( .NOT. salsa_gases_from_chem ) THEN
	904	DO ig = 1, ngases_salsa
	905	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp )
	906	ENDDO
	907	ENDIF
	908	ENDIF
[4029]	909	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
[3864]	910
[1762]	911	ENDIF
[4029]	912
[1762]	913	!
[2311]	914	!-- Set boundary conditions again after interpolation and anterpolation.
	915	CALL pmci_boundary_conds
[1764]	916
[4029]	917	!
	918	!-- Set chemistry boundary conditions (decycling)
	919	IF ( air_chemistry ) THEN
	920	DO lsp = 1, nvar
	921	lsp_usr = 1
	922	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
	923	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
	924	CALL chem_boundary_conds( chem_species(lsp)%conc, &
	925	chem_species(lsp)%conc_pr_init )
	926	ENDIF
	927	lsp_usr = lsp_usr + 1
	928	ENDDO
	929	ENDDO
	930	ENDIF
	931
	932	!
	933	!-- Set SALSA boundary conditions (decycling)
	934	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	935	DO ib = 1, nbins_aerosol
	936	CALL salsa_boundary_conds( aerosol_number(ib)%conc, aerosol_number(ib)%init )
	937	DO ic = 1, ncomponents_mass
	938	icc = ( ic - 1 ) * nbins_aerosol + ib
	939	CALL salsa_boundary_conds( aerosol_mass(icc)%conc, aerosol_mass(icc)%init )
	940	ENDDO
	941	ENDDO
	942	IF ( .NOT. salsa_gases_from_chem ) THEN
	943	DO ig = 1, ngases_salsa
	944	CALL salsa_boundary_conds( salsa_gas(ig)%conc, salsa_gas(ig)%init )
	945	ENDDO
	946	ENDIF
	947	ENDIF
	948
[1764]	949	CALL cpu_log( log_point(60), 'nesting', 'stop' )
	950
[1762]	951	ENDIF
[4444]	952	#endif
[1762]	953
	954	!
[1]	955	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
	956	!-- when a sloping surface is used
	957	IF ( sloping_surface ) THEN
[3761]	958	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
	959	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
[1]	960	ENDIF
	961
	962	!
[151]	963	!-- Impose a turbulent inflow using the recycling method
[3719]	964	IF ( turbulent_inflow ) CALL inflow_turbulence
[151]	965
	966	!
[2050]	967	!-- Set values at outflow boundary using the special outflow condition
[3719]	968	IF ( turbulent_outflow ) CALL outflow_turbulence
[2050]	969
	970	!
[1]	971	!-- Impose a random perturbation on the horizontal velocity field
[3761]	972	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
	973	intermediate_timestep_count == intermediate_timestep_count_max ) &
	974	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
[1]	975	THEN
	976	time_disturb = time_disturb + dt_3d
	977	IF ( time_disturb >= dt_disturb ) THEN
[3761]	978	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
[1736]	979	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
[2232]	980	CALL disturb_field( 'u', tend, u )
	981	CALL disturb_field( 'v', tend, v )
[3761]	982	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
	983	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
[3182]	984	THEN
[1]	985	!
	986	!-- Runs with a non-cyclic lateral wall need perturbations
	987	!-- near the inflow throughout the whole simulation
	988	dist_range = 1
[2232]	989	CALL disturb_field( 'u', tend, u )
	990	CALL disturb_field( 'v', tend, v )
[1]	991	dist_range = 0
	992	ENDIF
	993	time_disturb = time_disturb - dt_disturb
	994	ENDIF
	995	ENDIF
	996
	997	!
[4466]	998	!-- Map forcing data derived from larger scale model onto domain
[4226]	999	!-- boundaries. Further, update geostrophic wind components.
[3761]	1000	IF ( nesting_offline .AND. intermediate_timestep_count == &
[4226]	1001	intermediate_timestep_count_max ) THEN
[4466]	1002	!-- Determine interpolation factor before boundary conditions and geostrophic wind
[4226]	1003	!-- is updated.
	1004	CALL nesting_offl_interpolation_factor
[3347]	1005	CALL nesting_offl_bc
[4226]	1006	CALL nesting_offl_geostrophic_wind
	1007	ENDIF
[2938]	1008	!
[4022]	1009	!-- Impose a turbulent inflow using synthetic generated turbulence.
	1010	IF ( use_syn_turb_gen .AND. &
	1011	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
[3719]	1012	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
[3347]	1013	CALL stg_main
[3719]	1014	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
[2696]	1015	ENDIF
	1016	!
[3347]	1017	!-- Ensure mass conservation. This need to be done after imposing
	1018	!-- synthetic turbulence and top boundary condition for pressure is set to
[4466]	1019	!-- Neumann conditions.
[3347]	1020	!-- Is this also required in case of Dirichlet?
	1021	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
	1022	!
[1]	1023	!-- Reduce the velocity divergence via the equation for perturbation
	1024	!-- pressure.
[106]	1025	IF ( intermediate_timestep_count == 1 .OR. &
	1026	call_psolver_at_all_substeps ) THEN
[2365]	1027
	1028	IF ( vnest_init ) THEN
[4444]	1029	#if defined( __parallel )
[2365]	1030	!
	1031	!-- Compute pressure in the CG, interpolate top boundary conditions
	1032	!-- to the FG and then compute pressure in the FG
	1033	IF ( coupling_mode == 'vnested_crse' ) CALL pres
	1034
[3719]	1035	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
[2365]	1036	CALL vnest_boundary_conds
[3719]	1037	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
[4466]	1038
[2365]	1039	IF ( coupling_mode == 'vnested_fine' ) CALL pres
	1040
	1041	!-- Anterpolate TKE, satisfy Germano Identity
[3719]	1042	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
[2365]	1043	CALL vnest_anterpolate_e
[3719]	1044	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
[4444]	1045	#else
	1046	CONTINUE
	1047	#endif
[2365]	1048
	1049	ELSE
[4444]	1050	#if defined( __parallel )
[4268]	1051	!
[4010]	1052	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
	1053	IF ( child_domain ) THEN
	1054	IF ( nesting_mode == 'vertical' ) THEN
	1055	CALL pmci_ensure_nest_mass_conservation_vertical
	1056	ELSE
	1057	CALL pmci_ensure_nest_mass_conservation
	1058	ENDIF
	1059	ENDIF
[4444]	1060	#endif
[2365]	1061	CALL pres
	1062
	1063	ENDIF
	1064
[1]	1065	ENDIF
[4275]	1066	!
	1067	!-- Particle transport/physics with the Lagrangian particle model
	1068	!-- (only once during intermediate steps, because it uses an Euler-step)
	1069	!-- ### particle model should be moved before prognostic_equations, in order
	1070	!-- to regard droplet interactions directly
[1]	1071
[4276]	1072	CALL module_interface_actions( 'after_pressure_solver' )
[1]	1073	!
[4275]	1074	!-- Interaction of droplets with temperature and mixing ratio.
	1075	!-- Droplet condensation and evaporation is calculated within
	1076	!-- advec_particles.
	1077	!
[1]	1078	!-- If required, compute liquid water content
[3274]	1079	IF ( bulk_cloud_model ) THEN
[1015]	1080	CALL calc_liquid_water_content
	1081	ENDIF
[2174]	1082	!
[4466]	1083	!-- If required, compute virtual potential temperature
	1084	IF ( humidity ) THEN
	1085	CALL compute_vpt
	1086	ENDIF
[1585]	1087
[1]	1088	!
	1089	!-- Compute the diffusion quantities
	1090	IF ( .NOT. constant_diffusion ) THEN
	1091
	1092	!
[4466]	1093	!-- Determine surface fluxes shf and qsws and surface values
	1094	!-- pt_surface and q_surface in dependence on data from external
[1276]	1095	!-- file LSF_DATA respectively
[3761]	1096	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
	1097	intermediate_timestep_count == intermediate_timestep_count_max ) &
[1276]	1098	THEN
[2320]	1099	CALL ls_forcing_surf( simulated_time )
[1276]	1100	ENDIF
	1101
	1102	!
[4466]	1103	!-- First the vertical (and horizontal) fluxes in the surface
[2232]	1104	!-- (constant flux) layer are computed
[1691]	1105	IF ( constant_flux_layer ) THEN
	1106	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
	1107	CALL surface_layer_fluxes
	1108	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
[1]	1109	ENDIF
	1110	!
[4466]	1111	!-- If required, solve the energy balance for the surface and run soil
[2232]	1112	!-- model. Call for horizontal as well as vertical surfaces
[2696]	1113	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
[1691]	1114
	1115	CALL cpu_log( log_point(54), 'land_surface', 'start' )
[2232]	1116	!
	1117	!-- Call for horizontal upward-facing surfaces
	1118	CALL lsm_energy_balance( .TRUE., -1 )
[2299]	1119	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
[2232]	1120	!
	1121	!-- Call for northward-facing surfaces
	1122	CALL lsm_energy_balance( .FALSE., 0 )
[2299]	1123	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
[2232]	1124	!
	1125	!-- Call for southward-facing surfaces
	1126	CALL lsm_energy_balance( .FALSE., 1 )
[2299]	1127	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
[2232]	1128	!
	1129	!-- Call for eastward-facing surfaces
	1130	CALL lsm_energy_balance( .FALSE., 2 )
[2299]	1131	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
[2232]	1132	!
	1133	!-- Call for westward-facing surfaces
	1134	CALL lsm_energy_balance( .FALSE., 3 )
[2299]	1135	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
[4268]	1136
[2696]	1137	!
	1138	!-- At the end, set boundary conditons for potential temperature
[4466]	1139	!-- and humidity after running the land-surface model. This
[2696]	1140	!-- might be important for the nesting, where arrays are transfered.
	1141	CALL lsm_boundary_condition
[2232]	1142
[4268]	1143
[1691]	1144	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
	1145	ENDIF
	1146	!
[4466]	1147	!-- If required, solve the energy balance for urban surfaces and run
[2007]	1148	!-- the material heat model
	1149	IF (urban_surface) THEN
	1150	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
[4268]	1151
[3418]	1152	CALL usm_surface_energy_balance( .FALSE. )
[2007]	1153	IF ( usm_material_model ) THEN
[2696]	1154	CALL usm_green_heat_model
[3418]	1155	CALL usm_material_heat_model ( .FALSE. )
[2007]	1156	ENDIF
[2696]	1157
	1158	!
	1159	!-- At the end, set boundary conditons for potential temperature
[4466]	1160	!-- and humidity after running the urban-surface model. This
[2696]	1161	!-- might be important for the nesting, where arrays are transfered.
	1162	CALL usm_boundary_condition
	1163
[2007]	1164	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
	1165	ENDIF
	1166	!
[1]	1167	!-- Compute the diffusion coefficients
	1168	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
[75]	1169	IF ( .NOT. humidity ) THEN
[3294]	1170	IF ( ocean_mode ) THEN
[2696]	1171	CALL tcm_diffusivities( prho, prho_reference )
[97]	1172	ELSE
[2696]	1173	CALL tcm_diffusivities( pt, pt_reference )
[97]	1174	ENDIF
[1]	1175	ELSE
[2696]	1176	CALL tcm_diffusivities( vpt, pt_reference )
[1]	1177	ENDIF
	1178	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
[4444]	1179
	1180	#if defined( __parallel )
[2696]	1181	!
	1182	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
	1183	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
[4444]	1184	#endif
[1]	1185
	1186	ENDIF
	1187
	1188	ENDDO ! Intermediate step loop
[3634]	1189
[1]	1190	!
[3634]	1191	!-- Will be used at some point by flow_statistics.
[3658]	1192	!$ACC UPDATE &
[3634]	1193	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
	1194	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
	1195	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
	1196	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
	1197	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
	1198	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
	1199	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
	1200	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
	1201	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
	1202	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
	1203	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
	1204	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
	1205	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
	1206	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
	1207	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
	1208
	1209	!
[4064]	1210	!-- If required, calculate radiative fluxes and heating rates
	1211	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
	1212
	1213	time_radiation = time_radiation + dt_3d
	1214
	1215	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
	1216
	1217	CALL cpu_log( log_point(50), 'radiation', 'start' )
	1218
	1219	IF ( .NOT. force_radiation_call ) THEN
	1220	time_radiation = time_radiation - dt_radiation
	1221	ENDIF
	1222
	1223	!
	1224	!-- Adjust the current time to the time step of the radiation model.
[4466]	1225	!-- Needed since radiation is pre-calculated and stored only on apparent
[4064]	1226	!-- solar positions
	1227	time_since_reference_point_save = time_since_reference_point
	1228	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
	1229	dt_radiation ), wp ) * dt_radiation
	1230
	1231	CALL radiation_control
	1232
	1233	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
	1234	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
	1235	CALL radiation_interaction
	1236	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
	1237	ENDIF
[4466]	1238
[4064]	1239	!
	1240	!-- Return the current time to its original value
	1241	time_since_reference_point = time_since_reference_point_save
	1242
	1243	CALL cpu_log( log_point(50), 'radiation', 'stop' )
	1244
	1245	ENDIF
	1246	ENDIF
	1247
[4466]	1248
[4064]	1249	!
[4403]	1250	!-- 20200203 (ECC)
	1251	!-- allows for emission update mode in legacy mode as well as on-demand mode
	1252	!-- note that under on-demand mode emission update is no longer restricted to
	1253	!-- an hourly frequency, but whenever the simulation time corresponds to an
	1254	!-- inrement in emission timestamp value
	1255
[3298]	1256	!
[4403]	1257	!-- If required, consider chemical emissions
	1258
	1259	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
	1260
	1261	IF ( emiss_read_legacy_mode ) THEN
	1262	!
	1263	!-- get hourly index and updates emission data when the hour is passed
	1264
	1265	CALL get_date_time( time_since_reference_point, hour=hour )
	1266
	1267	IF ( hour_call_emis /= hour ) THEN
	1268
	1269	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
	1270	hour_call_emis = hour
	1271
	1272	ENDIF
	1273
	1274	ELSE
	1275
	1276	CALL chem_emissions_update_on_demand
	1277
[3298]	1278	ENDIF
[4403]	1279
[2766]	1280	ENDIF
[4403]	1281
	1282
[3864]	1283	!
	1284	!-- If required, consider aerosol emissions for the salsa model
	1285	IF ( salsa ) THEN
	1286	!
	1287	!-- Call emission routine to update emissions if needed
	1288	CALL salsa_emission_update
[3569]	1289
[3864]	1290	ENDIF
[2696]	1291	!
[3469]	1292	!-- If required, calculate indoor temperature, waste heat, heat flux
	1293	!-- through wall, etc.
[3744]	1294	!-- dt_indoor steers the frequency of the indoor model calculations.
	1295	!-- Note, at first timestep indoor model is called, in order to provide
[4466]	1296	!-- a waste heat flux.
[3647]	1297	IF ( indoor_model ) THEN
[3469]	1298
	1299	time_indoor = time_indoor + dt_3d
	1300
[3761]	1301	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
[3469]	1302
	1303	time_indoor = time_indoor - dt_indoor
	1304
	1305	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
	1306	CALL im_main_heatcool
	1307	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
	1308
	1309	ENDIF
	1310	ENDIF
	1311	!
[1]	1312	!-- Increase simulation time and output times
[1111]	1313	nr_timesteps_this_run = nr_timesteps_this_run + 1
[291]	1314	current_timestep_number = current_timestep_number + 1
	1315	simulated_time = simulated_time + dt_3d
	1316	time_since_reference_point = simulated_time - coupling_start_time
[2941]	1317	simulated_time_chr = time_to_string( time_since_reference_point )
[291]	1318
[1957]	1319
[3646]	1320	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
[1]	1321	time_do_av = time_do_av + dt_3d
	1322	ENDIF
[3646]	1323	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
[1]	1324	time_do2d_xy = time_do2d_xy + dt_3d
	1325	ENDIF
[3646]	1326	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
[1]	1327	time_do2d_xz = time_do2d_xz + dt_3d
	1328	ENDIF
[3646]	1329	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
[1]	1330	time_do2d_yz = time_do2d_yz + dt_3d
	1331	ENDIF
[3646]	1332	IF ( time_since_reference_point >= skip_time_do3d ) THEN
[1]	1333	time_do3d = time_do3d + dt_3d
	1334	ENDIF
[410]	1335	DO mid = 1, masks
[3646]	1336	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
[410]	1337	time_domask(mid)= time_domask(mid) + dt_3d
	1338	ENDIF
	1339	ENDDO
[3646]	1340	IF ( time_since_reference_point >= skip_time_dosp ) THEN
[1]	1341	time_dosp = time_dosp + dt_3d
	1342	ENDIF
	1343	time_dots = time_dots + dt_3d
[849]	1344	IF ( .NOT. first_call_lpm ) THEN
[1]	1345	time_dopts = time_dopts + dt_3d
	1346	ENDIF
[3646]	1347	IF ( time_since_reference_point >= skip_time_dopr ) THEN
[1]	1348	time_dopr = time_dopr + dt_3d
	1349	ENDIF
[3467]	1350	time_dopr_listing = time_dopr_listing + dt_3d
[1]	1351	time_run_control = time_run_control + dt_3d
[3347]	1352	!
[3421]	1353	!-- Increment time-counter for surface output
[3648]	1354	IF ( surface_output ) THEN
[3646]	1355	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
[3421]	1356	time_dosurf = time_dosurf + dt_3d
	1357	ENDIF
[3646]	1358	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
[3421]	1359	time_dosurf_av = time_dosurf_av + dt_3d
	1360	ENDIF
	1361	ENDIF
	1362	!
[3988]	1363	!-- Increment time-counter for virtual measurements
	1364	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
	1365	time_virtual_measurement = time_virtual_measurement + dt_3d
	1366	ENDIF
[4466]	1367
[3988]	1368	!
[4420]	1369	!-- Increment time-counter for wind turbine data output
	1370	IF ( wind_turbine ) THEN
	1371	time_wtm = time_wtm + dt_3d
	1372	ENDIF
[4466]	1373
[4420]	1374	!
[3347]	1375	!-- In case of synthetic turbulence generation and parametrized turbulence
[4466]	1376	!-- information, update the time counter and if required, adjust the
[3347]	1377	!-- STG to new atmospheric conditions.
	1378	IF ( use_syn_turb_gen ) THEN
	1379	IF ( parametrize_inflow_turbulence ) THEN
	1380	time_stg_adjust = time_stg_adjust + dt_3d
[3719]	1381	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
	1382	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
	1383	CALL stg_adjust
	1384	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
	1385	ENDIF
[3347]	1386	ENDIF
	1387	time_stg_call = time_stg_call + dt_3d
	1388	ENDIF
[1]	1389
	1390	!
[102]	1391	!-- Data exchange between coupled models
[3761]	1392	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
[102]	1393	time_coupling = time_coupling + dt_3d
[343]	1394
[108]	1395	!
[4466]	1396	!-- In case of model termination initiated by the local model
	1397	!-- (terminate_coupled > 0), the coupler must be skipped because it would
[108]	1398	!-- cause an MPI intercomminucation hang.
[4466]	1399	!-- If necessary, the coupler will be called at the beginning of the
[108]	1400	!-- next restart run.
[3761]	1401	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[102]	1402	CALL surface_coupler
	1403	time_coupling = time_coupling - dt_coupling
	1404	ENDDO
	1405	ENDIF
	1406
	1407	!
[3448]	1408	!-- Biometeorology calculation of stationary thermal indices
[3647]	1409	!-- Todo (kanani): biometeorology needs own time_... treatment.
	1410	!-- It might be that time_do2d_xy differs from time_do3d,
	1411	!-- and then we might get trouble with the biomet output,
	1412	!-- because we can have 2d and/or 3d biomet output!!
[3761]	1413	IF ( biometeorology &
	1414	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
	1415	.OR. &
	1416	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
[3647]	1417	) ) THEN
[3569]	1418	!
	1419	!-- If required, do thermal comfort calculations
	1420	IF ( thermal_comfort ) THEN
	1421	CALL bio_calculate_thermal_index_maps ( .FALSE. )
	1422	ENDIF
	1423	!
	1424	!-- If required, do UV exposure calculations
	1425	IF ( uv_exposure ) THEN
[4126]	1426	CALL bio_calculate_uv_exposure
[3569]	1427	ENDIF
[3448]	1428	ENDIF
	1429
	1430	!
[3684]	1431	!-- Execute alle other module actions routunes
	1432	CALL module_interface_actions( 'after_integration' )
[2817]	1433
	1434	!
[1]	1435	!-- If Galilei transformation is used, determine the distance that the
	1436	!-- model has moved so far
	1437	IF ( galilei_transformation ) THEN
	1438	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
	1439	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
	1440	ENDIF
	1441
	1442	!
	1443	!-- Check, if restart is necessary (because cpu-time is expiring or
	1444	!-- because it is forced by user) and set stop flag
[108]	1445	!-- This call is skipped if the remote model has already initiated a restart.
	1446	IF ( .NOT. terminate_run ) CALL check_for_restart
[1]	1447
	1448	!
	1449	!-- Carry out statistical analysis and output at the requested output times.
	1450	!-- The MOD function is used for calculating the output time counters (like
	1451	!-- time_dopr) in order to regard a possible decrease of the output time
	1452	!-- interval in case of restart runs
	1453
	1454	!
	1455	!-- Set a flag indicating that so far no statistics have been created
	1456	!-- for this time step
	1457	flow_statistics_called = .FALSE.
	1458
	1459	!
	1460	!-- If required, call flow_statistics for averaging in time
[3761]	1461	IF ( averaging_interval_pr /= 0.0_wp .AND. &
	1462	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
[3646]	1463	time_since_reference_point >= skip_time_dopr ) THEN
[1]	1464	time_dopr_av = time_dopr_av + dt_3d
	1465	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
	1466	do_sum = .TRUE.
[3761]	1467	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
[1]	1468	ENDIF
	1469	ENDIF
	1470	IF ( do_sum ) CALL flow_statistics
	1471
	1472	!
[410]	1473	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
[3761]	1474	IF ( averaging_interval /= 0.0_wp .AND. &
	1475	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
	1476	time_since_reference_point >= skip_time_data_output_av ) &
[1]	1477	THEN
	1478	time_do_sla = time_do_sla + dt_3d
	1479	IF ( time_do_sla >= dt_averaging_input ) THEN
[3994]	1480	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1481	CALL doq_calculate
[3994]	1482
[1]	1483	CALL sum_up_3d_data
	1484	average_count_3d = average_count_3d + 1
	1485	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
	1486	ENDIF
	1487	ENDIF
[3421]	1488	!
	1489	!-- Average surface data
[3648]	1490	IF ( surface_output ) THEN
[3761]	1491	IF ( averaging_interval_surf /= 0.0_wp &
	1492	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
[3647]	1493	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
[4466]	1494	IF ( time_dosurf_av >= dt_averaging_input ) THEN
[3648]	1495	CALL surface_data_output_averaging
[3421]	1496	average_count_surf = average_count_surf + 1
	1497	ENDIF
	1498	ENDIF
	1499	ENDIF
[1]	1500
	1501	!
	1502	!-- Calculate spectra for time averaging
[3761]	1503	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
	1504	.AND. time_since_reference_point >= skip_time_dosp ) THEN
[1]	1505	time_dosp_av = time_dosp_av + dt_3d
	1506	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
	1507	CALL calc_spectra
[3761]	1508	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
[1]	1509	ENDIF
	1510	ENDIF
	1511
	1512	!
[1957]	1513	!-- Call flight module and output data
	1514	IF ( virtual_flight ) THEN
	1515	CALL flight_measurement
	1516	CALL data_output_flight
	1517	ENDIF
[3472]	1518	!
	1519	!-- Take virtual measurements
[3988]	1520	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
	1521	.AND. vm_time_start <= time_since_reference_point ) THEN
[3704]	1522	CALL vm_sampling
	1523	CALL vm_data_output
[3988]	1524	time_virtual_measurement = MOD( time_virtual_measurement, &
	1525	MAX( dt_virtual_measurement, dt_3d ) )
[3704]	1526	ENDIF
[4466]	1527
[1957]	1528	!
[4420]	1529	!-- Output wind turbine data
	1530	IF ( wind_turbine .AND. time_wtm >= dt_data_output_wtm ) THEN
	1531	CALL wtm_data_output
	1532	time_wtm = MOD( time_wtm, MAX( dt_data_output_wtm, dt_3d ) )
	1533	ENDIF
[4466]	1534
[4420]	1535	!
[1]	1536	!-- Profile output (ASCII) on file
	1537	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
	1538	CALL print_1d
[3761]	1539	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
[1]	1540	ENDIF
	1541
	1542	!
	1543	!-- Graphic output for PROFIL
[3761]	1544	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
[1]	1545	IF ( dopr_n /= 0 ) CALL data_output_profiles
	1546	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
[1342]	1547	time_dopr_av = 0.0_wp ! due to averaging (see above)
[1]	1548	ENDIF
	1549
	1550	!
	1551	!-- Graphic output for time series
	1552	IF ( time_dots >= dt_dots ) THEN
[48]	1553	CALL data_output_tseries
[1]	1554	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
	1555	ENDIF
	1556
	1557	!
	1558	!-- Output of spectra (formatted for use with PROFIL), in case of no
	1559	!-- time averaging, spectra has to be calculated before
[3761]	1560	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
[1]	1561	IF ( average_count_sp == 0 ) CALL calc_spectra
	1562	CALL data_output_spectra
	1563	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
	1564	ENDIF
	1565
	1566	!
	1567	!-- 2d-data output (cross-sections)
[3761]	1568	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
[3994]	1569	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1570	CALL doq_calculate
[3994]	1571
[1]	1572	CALL data_output_2d( 'xy', 0 )
	1573	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
	1574	ENDIF
[3761]	1575	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
[3994]	1576	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
	1577
[4039]	1578	CALL doq_calculate
[1]	1579	CALL data_output_2d( 'xz', 0 )
	1580	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
	1581	ENDIF
[3761]	1582	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
[3994]	1583	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1584	CALL doq_calculate
[3994]	1585
[1]	1586	CALL data_output_2d( 'yz', 0 )
	1587	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
	1588	ENDIF
	1589
	1590	!
	1591	!-- 3d-data output (volume data)
[3761]	1592	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
[3994]	1593	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1594	CALL doq_calculate
[3994]	1595
[1]	1596	CALL data_output_3d( 0 )
	1597	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
	1598	ENDIF
	1599
	1600	!
[1783]	1601	!-- Masked data output
[410]	1602	DO mid = 1, masks
[3761]	1603	IF ( time_domask(mid) >= dt_domask(mid) &
	1604	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
[3994]	1605	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1606	CALL doq_calculate
[3994]	1607
[4069]	1608	CALL data_output_mask( 0, mid )
[3761]	1609	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
[410]	1610	ENDIF
	1611	ENDDO
	1612
	1613	!
	1614	!-- Output of time-averaged 2d/3d/masked data
[3761]	1615	IF ( time_do_av >= dt_data_output_av &
	1616	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
[1]	1617	CALL average_3d_data
[3742]	1618	!
	1619	!-- Udate thermal comfort indices based on updated averaged input
	1620	IF ( biometeorology .AND. thermal_comfort ) THEN
	1621	CALL bio_calculate_thermal_index_maps ( .TRUE. )
	1622	ENDIF
[1]	1623	CALL data_output_2d( 'xy', 1 )
	1624	CALL data_output_2d( 'xz', 1 )
	1625	CALL data_output_2d( 'yz', 1 )
	1626	CALL data_output_3d( 1 )
[410]	1627	DO mid = 1, masks
[4069]	1628	CALL data_output_mask( 1, mid )
[410]	1629	ENDDO
[1]	1630	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
	1631	ENDIF
[3421]	1632	!
	1633	!-- Output of surface data, instantaneous and averaged data
[3648]	1634	IF ( surface_output ) THEN
[3761]	1635	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
[3648]	1636	CALL surface_data_output( 0 )
[3421]	1637	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
	1638	ENDIF
[3761]	1639	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
[3648]	1640	CALL surface_data_output( 1 )
[3421]	1641	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
	1642	ENDIF
	1643	ENDIF
[1]	1644
	1645	!
	1646	!-- Output of particle time series
[253]	1647	IF ( particle_advection ) THEN
[3761]	1648	IF ( time_dopts >= dt_dopts .OR. &
	1649	( time_since_reference_point >= particle_advection_start .AND. &
[849]	1650	first_call_lpm ) ) THEN
[4017]	1651	CALL lpm_data_output_ptseries
[253]	1652	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
	1653	ENDIF
[1]	1654	ENDIF
	1655
	1656	!
[3719]	1657	!-- If required, set the heat flux for the next time step to a random value
[2232]	1658	IF ( constant_heatflux .AND. random_heatflux ) THEN
[3719]	1659	IF ( surf_def_h(0)%ns >= 1 ) THEN
	1660	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1661	CALL disturb_heatflux( surf_def_h(0) )
	1662	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1663	ENDIF
	1664	IF ( surf_lsm_h%ns >= 1 ) THEN
	1665	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1666	CALL disturb_heatflux( surf_lsm_h )
	1667	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1668	ENDIF
	1669	IF ( surf_usm_h%ns >= 1 ) THEN
	1670	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1671	CALL disturb_heatflux( surf_usm_h )
	1672	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1673	ENDIF
[2232]	1674	ENDIF
[1]	1675
	1676	!
[3684]	1677	!-- Execute alle other module actions routunes
	1678	CALL module_interface_actions( 'after_timestep' )
[2817]	1679
	1680	!
[1918]	1681	!-- Determine size of next time step. Save timestep dt_3d because it is
	1682	!-- newly calculated in routine timestep, but required further below for
	1683	!-- steering the run control output interval
	1684	dt_3d_old = dt_3d
	1685	CALL timestep
	1686
[4444]	1687	#if defined( __parallel )
[1918]	1688	!
[1925]	1689	!-- Synchronize the timestep in case of nested run.
	1690	IF ( nested_run ) THEN
	1691	!
	1692	!-- Synchronize by unifying the time step.
	1693	!-- Global minimum of all time-steps is used for all.
	1694	CALL pmci_synchronize
	1695	ENDIF
[4444]	1696	#endif
[1925]	1697
	1698	!
[1918]	1699	!-- Computation and output of run control parameters.
	1700	!-- This is also done whenever perturbations have been imposed
[3761]	1701	IF ( time_run_control >= dt_run_control .OR. &
	1702	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
[1918]	1703	THEN
	1704	CALL run_control
	1705	IF ( time_run_control >= dt_run_control ) THEN
[3761]	1706	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
[1918]	1707	ENDIF
	1708	ENDIF
	1709
	1710	!
[1402]	1711	!-- Output elapsed simulated time in form of a progress bar on stdout
	1712	IF ( myid == 0 ) CALL output_progress_bar
	1713
[1]	1714	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
	1715
[667]	1716
[1]	1717	ENDDO ! time loop
[3448]	1718
[3761]	1719	#if defined( _OPENACC )
[3658]	1720	CALL exit_surface_arrays
	1721	#endif
[3634]	1722	!$ACC END DATA
	1723	!$ACC END DATA
	1724	!$ACC END DATA
	1725	!$ACC END DATA
	1726	!$ACC END DATA
	1727	!$ACC END DATA
	1728	!$ACC END DATA
	1729
[4444]	1730	#if defined( __parallel )
[3347]	1731	!
[4466]	1732	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
[2365]	1733	IF ( vnest_init ) CALL vnest_deallocate
[4444]	1734	#endif
[2365]	1735
[1402]	1736	IF ( myid == 0 ) CALL finish_progress_bar
	1737
[3885]	1738	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
[1384]	1739
[1]	1740	END SUBROUTINE time_integration

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