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source: palm/trunk/SOURCE/time_integration.f90 @ 4514

Last change on this file since 4514 was 4511, checked in by raasch, 5 years ago
chemistry decycling replaced by explicit setting of lateral boundary conditions
Property svn:keywords set to `Id`
File size: 73.0 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	!
[4360]	17	! Copyright 1997-2020 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[484]	20	! Current revisions:
[1092]	21	! ------------------
[4502]	22	!
	23	!
[1366]	24	! Former revisions:
	25	! -----------------
	26	! $Id: time_integration.f90 4511 2020-04-30 12:20:40Z suehring $
[4511]	27	! chemistry decycling replaced by explicit setting of lateral boundary conditions
	28	!
	29	! 4508 2020-04-24 13:32:20Z raasch
[4508]	30	! salsa decycling replaced by explicit setting of lateral boundary conditions
	31	!
	32	! 4502 2020-04-17 16:14:16Z schwenkel
[4502]	33	! Implementation of ice microphysics
	34	!
	35	! 4472 2020-03-24 12:21:00Z Giersch
[4472]	36	! OPENACC COPYIN directive for ddx and ddy added
	37	!
	38	! 4466 2020-03-20 16:14:41Z suehring
[4466]	39	! Add advection fluxes to ACC copyin
	40	!
	41	! 4457 2020-03-11 14:20:43Z raasch
[4457]	42	! use statement for exchange horiz added
[4466]	43	!
[4457]	44	! 4444 2020-03-05 15:59:50Z raasch
[4444]	45	! bugfix: cpp-directives for serial mode added
[4466]	46	!
[4444]	47	! 4420 2020-02-24 14:13:56Z maronga
[4420]	48	! Added output control for wind turbine model
[4466]	49	!
[4420]	50	! 4403 2020-02-12 13:08:46Z banzhafs
[4403]	51	! Allowing both existing and on-demand emission read modes
	52	!
	53	! 4360 2020-01-07 11:25:50Z suehring
[4356]	54	! Bugfix, hour_call_emis uninitialized at first call of time_integration
[4466]	55	!
[4356]	56	! 4346 2019-12-18 11:55:56Z motisi
[4346]	57	! Introduction of wall_flags_total_0, which currently sets bits based on static
	58	! topography information used in wall_flags_static_0
[4466]	59	!
[4346]	60	! 4329 2019-12-10 15:46:36Z motisi
[4329]	61	! Renamed wall_flags_0 to wall_flags_static_0
[4466]	62	!
[4329]	63	! 4281 2019-10-29 15:15:39Z schwenkel
[4281]	64	! Moved boundary conditions to module interface
[4466]	65	!
[4281]	66	! 4276 2019-10-28 16:03:29Z schwenkel
[4276]	67	! Further modularization of lpm code components
[4466]	68	!
[4276]	69	! 4275 2019-10-28 15:34:55Z schwenkel
[4275]	70	! Move call oft lpm to the end of intermediate timestep loop
[4276]	71	!
[4275]	72	! 4268 2019-10-17 11:29:38Z schwenkel
[4268]	73	! Removing module specific boundary conditions an put them into their modules
[4276]	74	!
[4268]	75	! 4227 2019-09-10 18:04:34Z gronemeier
[4227]	76	! implement new palm_date_time_mod
[4466]	77	!
[4227]	78	! 4226 2019-09-10 17:03:24Z suehring
[4226]	79	! Changes in interface for the offline nesting
[4466]	80	!
[4226]	81	! 4182 2019-08-22 15:20:23Z scharf
[4182]	82	! Corrected "Former revisions" section
[4466]	83	!
[4182]	84	! 4170 2019-08-19 17:12:31Z gronemeier
[4170]	85	! copy diss, diss_p, tdiss_m to GPU
[4466]	86	!
[4170]	87	! 4144 2019-08-06 09:11:47Z raasch
[4144]	88	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
[4466]	89	!
[4144]	90	! 4126 2019-07-30 11:09:11Z gronemeier
[4126]	91	! renamed routine to calculate uv exposure
[4466]	92	!
[4126]	93	! 4111 2019-07-22 18:16:57Z suehring
[4111]	94	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
[4466]	95	!
[4111]	96	! 4069 2019-07-01 14:05:51Z Giersch
[4466]	97	! Masked output running index mid has been introduced as a local variable to
[4069]	98	! avoid runtime error (Loop variable has been modified) in time_integration
[4466]	99	!
[4069]	100	! 4064 2019-07-01 05:33:33Z gronemeier
[4064]	101	! Moved call to radiation module out of intermediate time loop
[4466]	102	!
[4064]	103	! 4048 2019-06-21 21:00:21Z knoop
[4048]	104	! Moved production_e_init call into turbulence_closure_mod
[4466]	105	!
[4048]	106	! 4047 2019-06-21 18:58:09Z knoop
[4047]	107	! Added remainings of swap_timelevel upon its dissolution
[4466]	108	!
[4047]	109	! 4043 2019-06-18 16:59:00Z schwenkel
[4043]	110	! Further LPM modularization
	111	!
	112	! 4039 2019-06-18 10:32:41Z suehring
[4039]	113	! Rename subroutines in module for diagnostic quantities
[4466]	114	!
[4039]	115	! 4029 2019-06-14 14:04:35Z raasch
[4029]	116	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
	117	! bugfix: decycling of chemistry species after nesting data transfer
[4466]	118	!
[4029]	119	! 4022 2019-06-12 11:52:39Z suehring
[4022]	120	! Call synthetic turbulence generator at last RK3 substep right after boundary
[4466]	121	! conditions are updated in offline nesting in order to assure that
	122	! perturbations are always imposed
	123	!
[4022]	124	! 4017 2019-06-06 12:16:46Z schwenkel
[4010]	125	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
[4466]	126	!
[4010]	127	! 3994 2019-05-22 18:08:09Z suehring
[3994]	128	! output of turbulence intensity added
[4466]	129	!
[3994]	130	! 3988 2019-05-22 11:32:37Z kanani
[3988]	131	! Implement steerable output interval for virtual measurements
[4466]	132	!
[3988]	133	! 3968 2019-05-13 11:04:01Z suehring
[3968]	134	! replace nspec_out with n_matched_vars
[4466]	135	!
[3968]	136	! 3929 2019-04-24 12:52:08Z banzhafs
[3929]	137	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
	138	! chem_boundary_conds_decycle
[4466]	139	!
	140	!
[3929]	141	! 3885 2019-04-11 11:29:34Z kanani
[4466]	142	! Changes related to global restructuring of location messages and introduction
[3885]	143	! of additional debug messages
[3929]	144	!
[3885]	145	! 3879 2019-04-08 20:25:23Z knoop
[3875]	146	! Moved wtm_forces to module_interface_actions
[4466]	147	!
[3875]	148	! 3872 2019-04-08 15:03:06Z knoop
[3864]	149	! Modifications made for salsa:
	150	! - Call salsa_emission_update at each time step but do the checks within
	151	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
	152	! and next_aero_emission_update <= time_since_reference_point ).
[4466]	153	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
[3864]	154	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
	155	! - Apply nesting for salsa variables
	156	! - Removed cpu_log calls speciffic for salsa.
[4466]	157	!
[3864]	158	! 3833 2019-03-28 15:04:04Z forkel
[3879]	159	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
[4466]	160	!
[3833]	161	! 3820 2019-03-27 11:53:41Z forkel
[3820]	162	! renamed do_emiss to emissions_anthropogenic (ecc)
[4466]	163	!
	164	!
[3820]	165	! 3774 2019-03-04 10:52:49Z moh.hefny
[3774]	166	! rephrase if statement to avoid unallocated array in case of
	167	! nesting_offline is false (crashing during debug mode)
	168	!
	169	! 3761 2019-02-25 15:31:42Z raasch $
[3761]	170	! module section re-formatted and openacc required variables moved to separate section,
	171	! re-formatting to 100 char line width
[4466]	172	!
[3761]	173	! 3745 2019-02-15 18:57:56Z suehring
[3745]	174	! Call indoor model after first timestep
[4466]	175	!
[3745]	176	! 3744 2019-02-15 18:38:58Z suehring
[3742]	177	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
	178	! time_integration to make sure averaged input is updated before calculating.
[4466]	179	!
[3742]	180	! 3739 2019-02-13 08:05:17Z dom_dwd_user
[3739]	181	! Removed everything related to "time_bio_results" as this is never used.
[4466]	182	!
[3739]	183	! 3724 2019-02-06 16:28:23Z kanani
[4466]	184	! Correct double-used log_point_s unit
	185	!
[3724]	186	! 3719 2019-02-06 13:10:18Z kanani
[3719]	187	! - removed wind_turbine cpu measurement, since same time is measured inside
	188	! wtm_forces subroutine as special measures
	189	! - moved the numerous vnest cpulog to special measures
	190	! - extended radiation cpulog over entire radiation part,
	191	! moved radiation_interactions cpulog to special measures
	192	! - moved some cpu_log calls to this routine for better overview
[4466]	193	!
[3719]	194	! 3705 2019-01-29 19:56:39Z suehring
[3705]	195	! Data output for virtual measurements added
[4466]	196	!
[3705]	197	! 3704 2019-01-29 19:51:41Z suehring
[3648]	198	! Rename subroutines for surface-data output
[4466]	199	!
[3648]	200	! 3647 2019-01-02 14:10:44Z kanani
[3647]	201	! Bugfix: add time_since_reference_point to IF clause for data_output calls
	202	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
	203	! Clean up indoor_model and biometeorology model call.
[3569]	204	!
[4182]	205	! Revision 1.1 1997/08/11 06:19:04 raasch
	206	! Initial revision
	207	!
	208	!
[1]	209	! Description:
	210	! ------------
[1682]	211	!> Integration in time of the model equations, statistical analysis and graphic
	212	!> output
[1]	213	!------------------------------------------------------------------------------!
[1682]	214	SUBROUTINE time_integration
[1]	215
[4466]	216
[3761]	217	USE advec_ws, &
[1320]	218	ONLY: ws_statistics
	219
[3761]	220	USE arrays_3d, &
[4508]	221	ONLY: diss, diss_p, dzu, e_p, nc_p, ni_p, nr_p, prho, pt, pt_p, pt_init, q, qc_p, qr_p, &
	222	q_init, q_p, qi_p, ref_state, rho_ocean, sa_p, s_p, tend, u, u_p, v, vpt, v_p, w_p
[1320]	223
[4444]	224	#if defined( __parallel ) && ! defined( _OPENACC )
	225	USE arrays_3d, &
[4508]	226	ONLY: e, nc, ni, nr, qc, qi, qr, s, w
[4444]	227	#endif
	228
[3761]	229	USE biometeorology_mod, &
[4126]	230	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
	231	uv_exposure
[3448]	232
[3761]	233	USE bulk_cloud_model_mod, &
	234	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
[4508]	235	microphysics_ice_extension, microphysics_morrison, microphysics_seifert
[3294]	236
[3761]	237	USE calc_mean_profile_mod, &
[1320]	238	ONLY: calc_mean_profile
	239
[3761]	240	USE chem_emissions_mod, &
[4403]	241	ONLY: chem_emissions_setup, chem_emissions_update_on_demand
[2696]	242
[3833]	243	USE chem_gasphase_mod, &
[3929]	244	ONLY: nvar
[3833]	245
[3761]	246	USE chem_modules, &
[4511]	247	ONLY: bc_cs_t_val, chem_species, communicator_chem, emissions_anthropogenic, &
	248	emiss_read_legacy_mode, n_matched_vars
[2696]	249
[3761]	250	USE control_parameters, &
	251	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
	252	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
	253	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
[4276]	254	constant_flux_layer, constant_heatflux, create_disturbances, &
[3761]	255	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
	256	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
	257	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
	258	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
[4017]	259	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
[3761]	260	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
	261	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
	262	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
[4069]	263	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
[3761]	264	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
[4444]	265	pt_slope_offset, random_heatflux, rans_tke_e, run_coupled, salsa, &
[3761]	266	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
	267	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
	268	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
	269	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
	270	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
	271	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
[4017]	272	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
[4508]	273	timestep_count, turbulent_inflow, turbulent_outflow, urban_surface, &
[3761]	274	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
[4508]	275	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca
[1320]	276
[4444]	277	#if defined( __parallel )
	278	USE control_parameters, &
	279	ONLY: rans_mode
	280	#endif
	281
[3761]	282	USE cpulog, &
[1320]	283	ONLY: cpu_log, log_point, log_point_s
	284
[3994]	285	USE diagnostic_output_quantities_mod, &
[4039]	286	ONLY: doq_calculate, &
[3994]	287	timestep_number_at_prev_calc
	288
[4457]	289	USE exchange_horiz_mod, &
	290	ONLY: exchange_horiz
	291
[3761]	292	USE flight_mod, &
[1957]	293	ONLY: flight_measurement
	294
[4472]	295	USE grid_variables, &
	296	ONLY: ddx, ddy
	297
[3761]	298	USE indices, &
	299	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
[1320]	300
[3761]	301	USE indoor_model_mod, &
	302	ONLY: dt_indoor, im_main_heatcool, time_indoor
[3469]	303
[1918]	304	USE interfaces
	305
[1320]	306	USE kinds
	307
[3761]	308	USE land_surface_model_mod, &
	309	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
[1496]	310
[4017]	311	USE lagrangian_particle_model_mod, &
[4276]	312	ONLY: lpm_data_output_ptseries
[3761]	313
	314	USE lsf_nudging_mod, &
[3347]	315	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
[1320]	316
[3761]	317	USE module_interface, &
[4268]	318	ONLY: module_interface_actions, module_interface_swap_timelevel, &
	319	module_interface_boundary_conditions
[3684]	320
[3761]	321	USE multi_agent_system_mod, &
[3198]	322	ONLY: agents_active, multi_agent_system
[3448]	323
[3761]	324	USE nesting_offl_mod, &
[4226]	325	ONLY: nesting_offl_bc, &
	326	nesting_offl_geostrophic_wind, &
	327	nesting_offl_input, &
	328	nesting_offl_interpolation_factor, &
	329	nesting_offl_mass_conservation
[3864]	330
[3761]	331	USE netcdf_data_input_mod, &
[4226]	332	ONLY: chem_emis, chem_emis_att
[3298]	333
[3761]	334	USE ocean_mod, &
[3294]	335	ONLY: prho_reference
	336
[4227]	337	USE palm_date_time_mod, &
	338	ONLY: get_date_time
	339
[3761]	340	USE particle_attributes, &
	341	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
[1320]	342
[1]	343	USE pegrid
	344
[4444]	345	#if defined( __parallel )
[3761]	346	USE pmc_interface, &
[4010]	347	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
[4047]	348	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
	349	pmci_set_swaplevel
[4444]	350	#endif
[1762]	351
[3761]	352	USE progress_bar, &
[1402]	353	ONLY: finish_progress_bar, output_progress_bar
	354
[3761]	355	USE prognostic_equations_mod, &
[2118]	356	ONLY: prognostic_equations_cache, prognostic_equations_vector
[1320]	357
[3761]	358	USE radiation_model_mod, &
	359	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
	360	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
[3864]	361
[3761]	362	USE salsa_mod, &
[3864]	363	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
[4508]	364	communicator_salsa, nbins_aerosol, ncomponents_mass, ngases_salsa, &
	365	salsa_boundary_conditions, salsa_emission_update, salsa_gas, salsa_gases_from_chem, &
	366	skip_time_do_salsa
[1496]	367
[3761]	368	USE spectra_mod, &
	369	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
[1786]	370
[3761]	371	USE statistics, &
	372	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
[1320]	373
[3761]	374
	375	USE surface_layer_fluxes_mod, &
[1691]	376	ONLY: surface_layer_fluxes
	377
[3761]	378	USE surface_data_output_mod, &
	379	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
	380	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
[3648]	381	skip_time_dosurf_av, time_dosurf, time_dosurf_av
[2232]	382
[3761]	383	USE surface_mod, &
	384	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
	385
	386	USE synthetic_turbulence_generator_mod, &
	387	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
	388	time_stg_adjust, time_stg_call, use_syn_turb_gen
	389
	390	USE turbulence_closure_mod, &
[4048]	391	ONLY: tcm_diffusivities
[2696]	392
[3761]	393	USE urban_surface_mod, &
	394	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
[3597]	395	usm_surface_energy_balance, usm_green_heat_model
[2007]	396
[3761]	397	USE vertical_nesting_mod, &
[4444]	398	ONLY: vnested, vnest_init
[3864]	399
[4444]	400	#if defined( __parallel )
	401	USE vertical_nesting_mod, &
	402	ONLY: vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
	403	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init_fine, vnest_start_time
	404	#endif
	405
[3761]	406	USE virtual_measurement_mod, &
[3988]	407	ONLY: dt_virtual_measurement, &
	408	time_virtual_measurement, &
	409	vm_data_output, &
	410	vm_sampling, &
	411	vm_time_start
[2259]	412
[4466]	413
[4420]	414	USE wind_turbine_model_mod, &
	415	ONLY: dt_data_output_wtm, time_wtm, wind_turbine, wtm_data_output
[1914]	416
[3761]	417	#if defined( _OPENACC )
[4444]	418	USE arrays_3d, &
[4466]	419	ONLY: d, dd2zu, ddzu, ddzw, &
	420	diss_l_u, &
	421	diss_l_v, &
	422	diss_l_w, &
	423	diss_s_u, &
	424	diss_s_v, &
	425	diss_s_w, &
	426	drho_air, drho_air_zw, dzw, e, &
	427	flux_l_u, &
	428	flux_l_v, &
	429	flux_l_w, &
	430	flux_s_u, &
	431	flux_s_v, &
	432	flux_s_w, &
	433	heatflux_output_conversion, &
[4508]	434	kh, km, momentumflux_output_conversion, nc, ni, nr, p, ptdf_x, ptdf_y, qc, qi, qr, rdf, &
[4444]	435	rdf_sc, rho_air, rho_air_zw, s, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, &
[4508]	436	u_stokes_zu, vg, v_init, v_stokes_zu, w, zu
[2365]	437
[3761]	438	USE control_parameters, &
	439	ONLY: tsc
	440
	441	USE indices, &
[4346]	442	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
[3761]	443
	444	USE statistics, &
	445	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
	446	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
	447	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
[4508]	448	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l, sums_wsqis_ws_l, &
	449	sums_wsnis_ws_l
[3761]	450
	451	USE surface_mod, &
	452	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
	453	#endif
	454
	455
[1]	456	IMPLICIT NONE
	457
[3298]	458	CHARACTER (LEN=9) :: time_to_string !<
[3864]	459
[4356]	460	INTEGER(iwp) :: hour !< hour of current time
	461	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
	462	INTEGER(iwp) :: ib !< index for aerosol size bins
	463	INTEGER(iwp) :: ic !< index for aerosol mass bins
	464	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
	465	INTEGER(iwp) :: ig !< index for salsa gases
[4444]	466	INTEGER(iwp) :: mid !< masked output running index
[4356]	467	INTEGER(iwp) :: n !< loop counter for chemistry species
[3014]	468
[1918]	469	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
	470	!< steering of run control output interval
[3241]	471	REAL(wp) :: time_since_reference_point_save !< original value of
	472	!< time_since_reference_point
	473
[3634]	474
[3761]	475	!
	476	!-- Copy data from arrays_3d
[4466]	477	!$ACC DATA &
[3634]	478	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
[4170]	479	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	480	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	481	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	482	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	483	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	484	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	485	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	486	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	487	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	488
	489	!$ACC DATA &
[4466]	490	!$ACC COPYIN(diss_l_u(0:nz+1,nys:nyn,0), flux_l_u(0:nz+1,nys:nyn,0)) &
	491	!$ACC COPYIN(diss_l_v(0:nz+1,nys:nyn,0), flux_l_v(0:nz+1,nys:nyn,0)) &
	492	!$ACC COPYIN(diss_l_w(0:nz+1,nys:nyn,0), flux_l_w(0:nz+1,nys:nyn,0)) &
	493	!$ACC COPYIN(diss_s_u(0:nz+1,0), flux_s_u(0:nz+1,0)) &
	494	!$ACC COPYIN(diss_s_v(0:nz+1,0), flux_s_v(0:nz+1,0)) &
	495	!$ACC COPYIN(diss_s_w(0:nz+1,0), flux_s_w(0:nz+1,0)) &
[4170]	496	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	497	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	498	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	499	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	500	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	501	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	502	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[4170]	503	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	504	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	505	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	506	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	507	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	508	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	509
	510	!$ACC DATA &
	511	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
	512	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
	513	!$ACC COPYIN(zu(nzb:nzt+1)) &
	514	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
	515	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
	516	!$ACC COPYIN(ddzw(1:nzt+1)) &
[3658]	517	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
	518	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
[3634]	519	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
	520	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
	521	!$ACC COPYIN(ref_state(0:nz+1)) &
	522	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
	523	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
	524	!$ACC COPYIN(pt_init(0:nz+1)) &
	525	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
	526
[3761]	527	!
	528	!-- Copy data from control_parameters
[3634]	529	!$ACC DATA &
	530	!$ACC COPYIN(tsc(1:5))
	531
[3761]	532	!
[4472]	533	!-- Copy data from grid_variables
	534	!$ACC DATA &
	535	!$ACC COPYIN(ddx, ddy)
	536
	537	!
[3761]	538	!-- Copy data from indices
[3634]	539	!$ACC DATA &
[4111]	540	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	541	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[4346]	542	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
[3634]	543
[3761]	544	!
	545	!-- Copy data from surface_mod
[3634]	546	!$ACC DATA &
	547	!$ACC COPYIN(bc_h(0:1)) &
	548	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
	549	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
	550	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
	551	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
	552	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
	553	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
	554
[3761]	555	!
	556	!-- Copy data from statistics
[3634]	557	!$ACC DATA &
[3658]	558	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
[3634]	559	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
	560	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
[3658]	561	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
[3634]	562	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
	563	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
	564	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
	565	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
	566	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
	567	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
	568	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
	569	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
	570	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
	571	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
[4502]	572	!$ACC COPY(sums_wsqis_ws_l(nzb:nzt+1,0)) &
[3634]	573	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
	574	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
[4502]	575	!$ACC COPY(sums_wsnis_ws_l(nzb:nzt+1,0)) &
[3634]	576	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
	577	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
	578	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
	579
[4472]	580	!
	581	!-- Next statement is to avoid compiler warnings about unused variables. Please
	582	!-- remove in case that you are using them. ddx and ddy need to be defined in
	583	!-- time_integration because of ACC COPYIN directive.
	584	ddx = ddx
	585	ddy = ddy
	586
[3761]	587	#if defined( _OPENACC )
[3658]	588	CALL enter_surface_arrays
	589	#endif
	590
[1]	591	!
[1918]	592	!-- At beginning determine the first time step
	593	CALL timestep
[4444]	594
	595	#if defined( __parallel )
[1764]	596	!
	597	!-- Synchronize the timestep in case of nested run.
	598	IF ( nested_run ) THEN
[1878]	599	!
	600	!-- Synchronization by unifying the time step.
	601	!-- Global minimum of all time-steps is used for all.
	602	CALL pmci_synchronize
[1764]	603	ENDIF
[4444]	604	#endif
[1764]	605
[1918]	606	!
	607	!-- Determine and print out the run control quantities before the first time
	608	!-- step of this run. For the initial run, some statistics (e.g. divergence)
[3004]	609	!-- need to be determined first --> CALL flow_statistics at the beginning of
	610	!-- run_control
[1]	611	CALL run_control
[108]	612	!
[4466]	613	!-- Data exchange between coupled models in case that a call has been omitted
[108]	614	!-- at the end of the previous run of a job chain.
[3761]	615	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
[108]	616	!
[4466]	617	!-- In case of model termination initiated by the local model the coupler
	618	!-- must not be called because this would again cause an MPI hang.
[1918]	619	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[108]	620	CALL surface_coupler
	621	time_coupling = time_coupling - dt_coupling
	622	ENDDO
[3761]	623	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
[348]	624	time_coupling = time_since_reference_point
	625	ENDIF
[108]	626	ENDIF
	627
[3885]	628	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
[3761]	629
[1]	630	!
	631	!-- Start of the time loop
[3761]	632	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
[1]	633
	634	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
[4444]	635
	636	#if defined( __parallel )
[1]	637	!
[2365]	638	!-- Vertical nesting: initialize fine grid
	639	IF ( vnested ) THEN
	640	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
[3719]	641	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
[2365]	642	CALL vnest_init_fine
	643	vnest_init = .TRUE.
[3719]	644	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
[2365]	645	ENDIF
	646	ENDIF
[4444]	647	#endif
	648
[2365]	649	!
[4466]	650	!-- Determine ug, vg and w_subs in dependence on data from external file
[1241]	651	!-- LSF_DATA
[1365]	652	IF ( large_scale_forcing .AND. lsf_vert ) THEN
[1241]	653	CALL ls_forcing_vert ( simulated_time )
[1365]	654	sums_ls_l = 0.0_wp
[1241]	655	ENDIF
	656
	657	!
[4466]	658	!-- Set pt_init and q_init to the current profiles taken from
	659	!-- NUDGING_DATA
[1380]	660	IF ( nudging ) THEN
	661	CALL nudge_ref ( simulated_time )
	662	!
	663	!-- Store temperature gradient at the top boundary for possible Neumann
	664	!-- boundary condition
	665	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
	666	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
[3298]	667	IF ( air_chemistry ) THEN
[4511]	668	DO n = 1, nvar
	669	bc_cs_t_val = ( chem_species(n)%conc_pr_init(nzt+1) &
	670	- chem_species(n)%conc_pr_init(nzt) ) &
[3298]	671	/ dzu(nzt+1)
	672	ENDDO
	673	ENDIF
[3864]	674	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	675	DO ib = 1, nbins_aerosol
	676	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
	677	dzu(nzt+1)
	678	DO ic = 1, ncomponents_mass
	679	icc = ( ic - 1 ) * nbins_aerosol + ib
	680	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
	681	dzu(nzt+1)
	682	ENDDO
	683	ENDDO
	684	IF ( .NOT. salsa_gases_from_chem ) THEN
	685	DO ig = 1, ngases_salsa
	686	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
	687	dzu(nzt+1)
	688	ENDDO
	689	ENDIF
	690	ENDIF
[1380]	691	ENDIF
[2696]	692	!
[4466]	693	!-- Input of boundary data.
[4226]	694	IF ( nesting_offline ) CALL nesting_offl_input
[1380]	695	!
[4276]	696	!-- Execute all other module actions routines
[3684]	697	CALL module_interface_actions( 'before_timestep' )
[4466]	698
[4508]	699	!
[1]	700	!-- Start of intermediate step loop
	701	intermediate_timestep_count = 0
[3761]	702	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
[1]	703
	704	intermediate_timestep_count = intermediate_timestep_count + 1
	705
	706	!
	707	!-- Set the steering factors for the prognostic equations which depend
	708	!-- on the timestep scheme
	709	CALL timestep_scheme_steering
	710
	711	!
[1128]	712	!-- Calculate those variables needed in the tendency terms which need
	713	!-- global communication
[3761]	714	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
	715	THEN
[1179]	716	!
	717	!-- Horizontally averaged profiles to be used as reference state in
	718	!-- buoyancy terms (WARNING: only the respective last call of
	719	!-- calc_mean_profile defines the reference state!)
[1365]	720	IF ( .NOT. neutral ) THEN
	721	CALL calc_mean_profile( pt, 4 )
	722	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
	723	ENDIF
[3294]	724	IF ( ocean_mode ) THEN
[2031]	725	CALL calc_mean_profile( rho_ocean, 64 )
[1365]	726	ref_state(:) = hom(:,1,64,0)
	727	ENDIF
	728	IF ( humidity ) THEN
	729	CALL calc_mean_profile( vpt, 44 )
	730	ref_state(:) = hom(:,1,44,0)
	731	ENDIF
[2617]	732	!
	733	!-- Assure that ref_state does not become zero at any level
[4466]	734	!-- ( might be the case if a vertical level is completely occupied
[2617]	735	!-- with topography ).
[3761]	736	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
[1179]	737	ENDIF
	738
[3761]	739	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
	740	THEN
	741	CALL ws_statistics
	742	ENDIF
[1365]	743	!
	744	!-- In case of nudging calculate current nudging time scale and horizontal
[1380]	745	!-- means of u, v, pt and q
[1365]	746	IF ( nudging ) THEN
	747	CALL calc_tnudge( simulated_time )
	748	CALL calc_mean_profile( u, 1 )
	749	CALL calc_mean_profile( v, 2 )
	750	CALL calc_mean_profile( pt, 4 )
	751	CALL calc_mean_profile( q, 41 )
	752	ENDIF
[1128]	753	!
[3876]	754	!-- Execute all other module actions routunes
	755	CALL module_interface_actions( 'before_prognostic_equations' )
	756	!
[1]	757	!-- Solve the prognostic equations. A fast cache optimized version with
	758	!-- only one single loop is used in case of Piascek-Williams advection
	759	!-- scheme. NEC vector machines use a different version, because
	760	!-- in the other versions a good vectorization is prohibited due to
	761	!-- inlining problems.
[1019]	762	IF ( loop_optimization == 'cache' ) THEN
	763	CALL prognostic_equations_cache
	764	ELSEIF ( loop_optimization == 'vector' ) THEN
[63]	765	CALL prognostic_equations_vector
[1]	766	ENDIF
[4508]	767
[1]	768	!
[3159]	769	!-- Movement of agents in multi agent system
[3761]	770	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
	771	time_since_reference_point <= multi_agent_system_end .AND. &
	772	intermediate_timestep_count == 1 ) &
	773	THEN
[3159]	774	CALL multi_agent_system
	775	first_call_mas = .FALSE.
	776	ENDIF
	777
	778	!
[1]	779	!-- Exchange of ghost points (lateral boundary conditions)
[2118]	780	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
[1113]	781
[2118]	782	CALL exchange_horiz( u_p, nbgp )
	783	CALL exchange_horiz( v_p, nbgp )
	784	CALL exchange_horiz( w_p, nbgp )
	785	CALL exchange_horiz( pt_p, nbgp )
	786	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
[3761]	787	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
[2696]	788	.OR. use_sgs_for_particles ) THEN
	789	IF ( rans_tke_e ) THEN
	790	CALL exchange_horiz( diss_p, nbgp )
	791	ELSE
	792	CALL exchange_horiz( diss, nbgp )
	793	ENDIF
	794	ENDIF
[3294]	795	IF ( ocean_mode ) THEN
[2118]	796	CALL exchange_horiz( sa_p, nbgp )
	797	CALL exchange_horiz( rho_ocean, nbgp )
	798	CALL exchange_horiz( prho, nbgp )
	799	ENDIF
	800	IF ( humidity ) THEN
	801	CALL exchange_horiz( q_p, nbgp )
[3274]	802	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
[2292]	803	CALL exchange_horiz( qc_p, nbgp )
	804	CALL exchange_horiz( nc_p, nbgp )
	805	ENDIF
[3274]	806	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
[2118]	807	CALL exchange_horiz( qr_p, nbgp )
	808	CALL exchange_horiz( nr_p, nbgp )
[1053]	809	ENDIF
[4502]	810	IF ( bulk_cloud_model .AND. microphysics_ice_extension ) THEN
	811	CALL exchange_horiz( qi_p, nbgp )
	812	CALL exchange_horiz( ni_p, nbgp )
	813	ENDIF
[2118]	814	ENDIF
[2696]	815	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
[3929]	816	IF ( air_chemistry ) THEN
[4511]	817	DO n = 1, nvar
	818	CALL exchange_horiz( chem_species(n)%conc_p, nbgp, &
	819	alternative_communicator = communicator_chem )
[4029]	820	ENDDO
	821	ENDIF
	822
	823	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	824	DO ib = 1, nbins_aerosol
[4508]	825	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp, &
	826	alternative_communicator = communicator_salsa )
[4029]	827	DO ic = 1, ncomponents_mass
	828	icc = ( ic - 1 ) * nbins_aerosol + ib
[4508]	829	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp, &
	830	alternative_communicator = communicator_salsa )
[4029]	831	ENDDO
	832	ENDDO
	833	IF ( .NOT. salsa_gases_from_chem ) THEN
	834	DO ig = 1, ngases_salsa
[4508]	835	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp, &
	836	alternative_communicator = communicator_salsa )
[4029]	837	ENDDO
	838	ENDIF
	839	ENDIF
[4508]	840
[4029]	841	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
	842
[3929]	843	!
[4029]	844	!-- Boundary conditions for the prognostic quantities (except of the
[4281]	845	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
	846	!-- boundary conditions for module-specific variables
[4268]	847	CALL module_interface_boundary_conditions
[4508]	848
[1]	849	!
[4047]	850	!-- Incrementing timestep counter
	851	timestep_count = timestep_count + 1
[73]	852
[4047]	853	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
[2365]	854	!
[4047]	855	!-- Set the swap level for all modules
	856	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
[4444]	857
	858	#if defined( __parallel )
[4047]	859	!
	860	!-- Set the swap level for steering the pmc data transfer
	861	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
[4444]	862	#endif
[4047]	863
	864	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
	865
[4444]	866	#if defined( __parallel )
[4047]	867	!
[2365]	868	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
	869	IF ( vnest_init ) THEN
[3719]	870	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
[2365]	871	CALL vnest_anterpolate
[3719]	872	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
[2365]	873	ENDIF
	874
[1764]	875	IF ( nested_run ) THEN
[1797]	876
[1764]	877	CALL cpu_log( log_point(60), 'nesting', 'start' )
[1762]	878	!
[1933]	879	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
	880	!-- and pmci_child_datatrans are called inside the wrapper
[1797]	881	!-- subroutine pmci_datatrans according to the control parameters
	882	!-- nesting_mode and nesting_datatransfer_mode.
	883	!-- TO_DO: why is nesting_mode given as a parameter here?
	884	CALL pmci_datatrans( nesting_mode )
[1762]	885
[3761]	886	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
[4029]	887
	888	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
[1762]	889	!
[1933]	890	!-- Exchange_horiz is needed for all parent-domains after the
[1764]	891	!-- anterpolation
	892	CALL exchange_horiz( u, nbgp )
	893	CALL exchange_horiz( v, nbgp )
	894	CALL exchange_horiz( w, nbgp )
[2174]	895	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
	896
	897	IF ( humidity ) THEN
	898
	899	CALL exchange_horiz( q, nbgp )
	900
[3274]	901	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
[2292]	902	CALL exchange_horiz( qc, nbgp )
	903	CALL exchange_horiz( nc, nbgp )
	904	ENDIF
[3274]	905	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
[2174]	906	CALL exchange_horiz( qr, nbgp )
	907	CALL exchange_horiz( nr, nbgp )
	908	ENDIF
[4502]	909	IF ( bulk_cloud_model .AND. microphysics_ice_extension ) THEN
[4508]	910	CALL exchange_horiz( qi, nbgp )
	911	CALL exchange_horiz( ni, nbgp )
[4502]	912	ENDIF
[4508]	913
[2174]	914	ENDIF
	915
[4466]	916	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
[3864]	917
[2174]	918	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
[2773]	919
[3761]	920	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
[2938]	921	CALL exchange_horiz( diss, nbgp )
[3761]	922	ENDIF
[2938]	923
[2773]	924	IF ( air_chemistry ) THEN
[3929]	925	DO n = 1, nvar
[4511]	926	CALL exchange_horiz( chem_species(n)%conc, nbgp, &
	927	alternative_communicator = communicator_chem )
[2773]	928	ENDDO
	929	ENDIF
	930
[3864]	931	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	932	DO ib = 1, nbins_aerosol
[4508]	933	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp, &
	934	alternative_communicator = communicator_salsa )
[3864]	935	DO ic = 1, ncomponents_mass
	936	icc = ( ic - 1 ) * nbins_aerosol + ib
[4508]	937	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp, &
	938	alternative_communicator = communicator_salsa )
[3864]	939	ENDDO
	940	ENDDO
	941	IF ( .NOT. salsa_gases_from_chem ) THEN
	942	DO ig = 1, ngases_salsa
[4508]	943	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp, &
	944	alternative_communicator = communicator_salsa )
[3864]	945	ENDDO
	946	ENDIF
	947	ENDIF
[4029]	948	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
[3864]	949
[1762]	950	ENDIF
[4029]	951
[1762]	952	!
[2311]	953	!-- Set boundary conditions again after interpolation and anterpolation.
	954	CALL pmci_boundary_conds
[1764]	955
	956	CALL cpu_log( log_point(60), 'nesting', 'stop' )
	957
[1762]	958	ENDIF
[4444]	959	#endif
[1762]	960
	961	!
[1]	962	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
	963	!-- when a sloping surface is used
	964	IF ( sloping_surface ) THEN
[3761]	965	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
	966	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
[1]	967	ENDIF
	968
	969	!
[151]	970	!-- Impose a turbulent inflow using the recycling method
[3719]	971	IF ( turbulent_inflow ) CALL inflow_turbulence
[151]	972
	973	!
[2050]	974	!-- Set values at outflow boundary using the special outflow condition
[3719]	975	IF ( turbulent_outflow ) CALL outflow_turbulence
[2050]	976
	977	!
[1]	978	!-- Impose a random perturbation on the horizontal velocity field
[3761]	979	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
	980	intermediate_timestep_count == intermediate_timestep_count_max ) &
	981	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
[1]	982	THEN
	983	time_disturb = time_disturb + dt_3d
	984	IF ( time_disturb >= dt_disturb ) THEN
[3761]	985	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
[1736]	986	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
[2232]	987	CALL disturb_field( 'u', tend, u )
	988	CALL disturb_field( 'v', tend, v )
[3761]	989	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
	990	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
[3182]	991	THEN
[1]	992	!
	993	!-- Runs with a non-cyclic lateral wall need perturbations
	994	!-- near the inflow throughout the whole simulation
	995	dist_range = 1
[2232]	996	CALL disturb_field( 'u', tend, u )
	997	CALL disturb_field( 'v', tend, v )
[1]	998	dist_range = 0
	999	ENDIF
	1000	time_disturb = time_disturb - dt_disturb
	1001	ENDIF
	1002	ENDIF
	1003
	1004	!
[4466]	1005	!-- Map forcing data derived from larger scale model onto domain
[4226]	1006	!-- boundaries. Further, update geostrophic wind components.
[3761]	1007	IF ( nesting_offline .AND. intermediate_timestep_count == &
[4226]	1008	intermediate_timestep_count_max ) THEN
[4466]	1009	!-- Determine interpolation factor before boundary conditions and geostrophic wind
[4226]	1010	!-- is updated.
	1011	CALL nesting_offl_interpolation_factor
[3347]	1012	CALL nesting_offl_bc
[4226]	1013	CALL nesting_offl_geostrophic_wind
	1014	ENDIF
[2938]	1015	!
[4022]	1016	!-- Impose a turbulent inflow using synthetic generated turbulence.
	1017	IF ( use_syn_turb_gen .AND. &
	1018	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
[3719]	1019	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
[3347]	1020	CALL stg_main
[3719]	1021	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
[2696]	1022	ENDIF
	1023	!
[3347]	1024	!-- Ensure mass conservation. This need to be done after imposing
	1025	!-- synthetic turbulence and top boundary condition for pressure is set to
[4466]	1026	!-- Neumann conditions.
[3347]	1027	!-- Is this also required in case of Dirichlet?
	1028	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
	1029	!
[1]	1030	!-- Reduce the velocity divergence via the equation for perturbation
	1031	!-- pressure.
[106]	1032	IF ( intermediate_timestep_count == 1 .OR. &
	1033	call_psolver_at_all_substeps ) THEN
[2365]	1034
	1035	IF ( vnest_init ) THEN
[4444]	1036	#if defined( __parallel )
[2365]	1037	!
	1038	!-- Compute pressure in the CG, interpolate top boundary conditions
	1039	!-- to the FG and then compute pressure in the FG
	1040	IF ( coupling_mode == 'vnested_crse' ) CALL pres
	1041
[3719]	1042	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
[2365]	1043	CALL vnest_boundary_conds
[3719]	1044	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
[4466]	1045
[2365]	1046	IF ( coupling_mode == 'vnested_fine' ) CALL pres
	1047
	1048	!-- Anterpolate TKE, satisfy Germano Identity
[3719]	1049	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
[2365]	1050	CALL vnest_anterpolate_e
[3719]	1051	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
[4444]	1052	#else
	1053	CONTINUE
	1054	#endif
[2365]	1055
	1056	ELSE
[4444]	1057	#if defined( __parallel )
[4268]	1058	!
[4010]	1059	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
	1060	IF ( child_domain ) THEN
	1061	IF ( nesting_mode == 'vertical' ) THEN
	1062	CALL pmci_ensure_nest_mass_conservation_vertical
	1063	ELSE
	1064	CALL pmci_ensure_nest_mass_conservation
	1065	ENDIF
	1066	ENDIF
[4444]	1067	#endif
[2365]	1068	CALL pres
	1069
	1070	ENDIF
	1071
[1]	1072	ENDIF
[4275]	1073	!
	1074	!-- Particle transport/physics with the Lagrangian particle model
	1075	!-- (only once during intermediate steps, because it uses an Euler-step)
	1076	!-- ### particle model should be moved before prognostic_equations, in order
	1077	!-- to regard droplet interactions directly
[1]	1078
[4276]	1079	CALL module_interface_actions( 'after_pressure_solver' )
[1]	1080	!
[4275]	1081	!-- Interaction of droplets with temperature and mixing ratio.
	1082	!-- Droplet condensation and evaporation is calculated within
	1083	!-- advec_particles.
	1084	!
[1]	1085	!-- If required, compute liquid water content
[3274]	1086	IF ( bulk_cloud_model ) THEN
[1015]	1087	CALL calc_liquid_water_content
	1088	ENDIF
[2174]	1089	!
[4466]	1090	!-- If required, compute virtual potential temperature
	1091	IF ( humidity ) THEN
	1092	CALL compute_vpt
	1093	ENDIF
[1585]	1094
[1]	1095	!
	1096	!-- Compute the diffusion quantities
	1097	IF ( .NOT. constant_diffusion ) THEN
	1098
	1099	!
[4466]	1100	!-- Determine surface fluxes shf and qsws and surface values
	1101	!-- pt_surface and q_surface in dependence on data from external
[1276]	1102	!-- file LSF_DATA respectively
[3761]	1103	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
	1104	intermediate_timestep_count == intermediate_timestep_count_max ) &
[1276]	1105	THEN
[2320]	1106	CALL ls_forcing_surf( simulated_time )
[1276]	1107	ENDIF
	1108
	1109	!
[4466]	1110	!-- First the vertical (and horizontal) fluxes in the surface
[2232]	1111	!-- (constant flux) layer are computed
[1691]	1112	IF ( constant_flux_layer ) THEN
	1113	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
	1114	CALL surface_layer_fluxes
	1115	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
[1]	1116	ENDIF
	1117	!
[4466]	1118	!-- If required, solve the energy balance for the surface and run soil
[2232]	1119	!-- model. Call for horizontal as well as vertical surfaces
[2696]	1120	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
[1691]	1121
	1122	CALL cpu_log( log_point(54), 'land_surface', 'start' )
[2232]	1123	!
	1124	!-- Call for horizontal upward-facing surfaces
	1125	CALL lsm_energy_balance( .TRUE., -1 )
[2299]	1126	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
[2232]	1127	!
	1128	!-- Call for northward-facing surfaces
	1129	CALL lsm_energy_balance( .FALSE., 0 )
[2299]	1130	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
[2232]	1131	!
	1132	!-- Call for southward-facing surfaces
	1133	CALL lsm_energy_balance( .FALSE., 1 )
[2299]	1134	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
[2232]	1135	!
	1136	!-- Call for eastward-facing surfaces
	1137	CALL lsm_energy_balance( .FALSE., 2 )
[2299]	1138	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
[2232]	1139	!
	1140	!-- Call for westward-facing surfaces
	1141	CALL lsm_energy_balance( .FALSE., 3 )
[2299]	1142	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
[4268]	1143
[2696]	1144	!
	1145	!-- At the end, set boundary conditons for potential temperature
[4466]	1146	!-- and humidity after running the land-surface model. This
[2696]	1147	!-- might be important for the nesting, where arrays are transfered.
	1148	CALL lsm_boundary_condition
[2232]	1149
[4268]	1150
[1691]	1151	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
	1152	ENDIF
	1153	!
[4466]	1154	!-- If required, solve the energy balance for urban surfaces and run
[2007]	1155	!-- the material heat model
	1156	IF (urban_surface) THEN
	1157	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
[4268]	1158
[3418]	1159	CALL usm_surface_energy_balance( .FALSE. )
[2007]	1160	IF ( usm_material_model ) THEN
[2696]	1161	CALL usm_green_heat_model
[3418]	1162	CALL usm_material_heat_model ( .FALSE. )
[2007]	1163	ENDIF
[2696]	1164
	1165	!
	1166	!-- At the end, set boundary conditons for potential temperature
[4466]	1167	!-- and humidity after running the urban-surface model. This
[2696]	1168	!-- might be important for the nesting, where arrays are transfered.
	1169	CALL usm_boundary_condition
	1170
[2007]	1171	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
	1172	ENDIF
	1173	!
[1]	1174	!-- Compute the diffusion coefficients
	1175	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
[75]	1176	IF ( .NOT. humidity ) THEN
[3294]	1177	IF ( ocean_mode ) THEN
[2696]	1178	CALL tcm_diffusivities( prho, prho_reference )
[97]	1179	ELSE
[2696]	1180	CALL tcm_diffusivities( pt, pt_reference )
[97]	1181	ENDIF
[1]	1182	ELSE
[2696]	1183	CALL tcm_diffusivities( vpt, pt_reference )
[1]	1184	ENDIF
	1185	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
[4444]	1186
	1187	#if defined( __parallel )
[2696]	1188	!
	1189	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
	1190	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
[4444]	1191	#endif
[1]	1192
	1193	ENDIF
	1194
	1195	ENDDO ! Intermediate step loop
[3634]	1196
[1]	1197	!
[3634]	1198	!-- Will be used at some point by flow_statistics.
[3658]	1199	!$ACC UPDATE &
[3634]	1200	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
	1201	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
	1202	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
	1203	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
	1204	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
	1205	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
	1206	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
	1207	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
	1208	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
	1209	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
[4502]	1210	!$ACC HOST(sums_wsqis_ws_l(nzb:nzt+1,0)) &
[3634]	1211	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
	1212	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
[4502]	1213	!$ACC HOST(sums_wsnis_ws_l(nzb:nzt+1,0)) &
[3634]	1214	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
	1215	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
	1216	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
	1217
	1218	!
[4064]	1219	!-- If required, calculate radiative fluxes and heating rates
	1220	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
	1221
	1222	time_radiation = time_radiation + dt_3d
	1223
	1224	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
	1225
	1226	CALL cpu_log( log_point(50), 'radiation', 'start' )
	1227
	1228	IF ( .NOT. force_radiation_call ) THEN
	1229	time_radiation = time_radiation - dt_radiation
	1230	ENDIF
	1231
	1232	!
	1233	!-- Adjust the current time to the time step of the radiation model.
[4466]	1234	!-- Needed since radiation is pre-calculated and stored only on apparent
[4064]	1235	!-- solar positions
	1236	time_since_reference_point_save = time_since_reference_point
	1237	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
	1238	dt_radiation ), wp ) * dt_radiation
	1239
	1240	CALL radiation_control
	1241
	1242	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
	1243	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
	1244	CALL radiation_interaction
	1245	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
	1246	ENDIF
[4466]	1247
[4064]	1248	!
	1249	!-- Return the current time to its original value
	1250	time_since_reference_point = time_since_reference_point_save
	1251
	1252	CALL cpu_log( log_point(50), 'radiation', 'stop' )
	1253
	1254	ENDIF
	1255	ENDIF
	1256
[4466]	1257
[4064]	1258	!
[4403]	1259	!-- 20200203 (ECC)
	1260	!-- allows for emission update mode in legacy mode as well as on-demand mode
	1261	!-- note that under on-demand mode emission update is no longer restricted to
	1262	!-- an hourly frequency, but whenever the simulation time corresponds to an
	1263	!-- inrement in emission timestamp value
	1264
[3298]	1265	!
[4403]	1266	!-- If required, consider chemical emissions
	1267
	1268	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
	1269
	1270	IF ( emiss_read_legacy_mode ) THEN
	1271	!
	1272	!-- get hourly index and updates emission data when the hour is passed
	1273
	1274	CALL get_date_time( time_since_reference_point, hour=hour )
	1275
	1276	IF ( hour_call_emis /= hour ) THEN
	1277
	1278	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
	1279	hour_call_emis = hour
	1280
	1281	ENDIF
	1282
	1283	ELSE
	1284
	1285	CALL chem_emissions_update_on_demand
	1286
[3298]	1287	ENDIF
[4403]	1288
[2766]	1289	ENDIF
[4403]	1290
	1291
[3864]	1292	!
	1293	!-- If required, consider aerosol emissions for the salsa model
	1294	IF ( salsa ) THEN
	1295	!
	1296	!-- Call emission routine to update emissions if needed
	1297	CALL salsa_emission_update
[3569]	1298
[3864]	1299	ENDIF
[2696]	1300	!
[3469]	1301	!-- If required, calculate indoor temperature, waste heat, heat flux
	1302	!-- through wall, etc.
[3744]	1303	!-- dt_indoor steers the frequency of the indoor model calculations.
	1304	!-- Note, at first timestep indoor model is called, in order to provide
[4466]	1305	!-- a waste heat flux.
[3647]	1306	IF ( indoor_model ) THEN
[3469]	1307
	1308	time_indoor = time_indoor + dt_3d
	1309
[3761]	1310	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
[3469]	1311
	1312	time_indoor = time_indoor - dt_indoor
	1313
	1314	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
	1315	CALL im_main_heatcool
	1316	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
	1317
	1318	ENDIF
	1319	ENDIF
	1320	!
[1]	1321	!-- Increase simulation time and output times
[1111]	1322	nr_timesteps_this_run = nr_timesteps_this_run + 1
[291]	1323	current_timestep_number = current_timestep_number + 1
	1324	simulated_time = simulated_time + dt_3d
	1325	time_since_reference_point = simulated_time - coupling_start_time
[2941]	1326	simulated_time_chr = time_to_string( time_since_reference_point )
[291]	1327
[1957]	1328
[3646]	1329	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
[1]	1330	time_do_av = time_do_av + dt_3d
	1331	ENDIF
[3646]	1332	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
[1]	1333	time_do2d_xy = time_do2d_xy + dt_3d
	1334	ENDIF
[3646]	1335	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
[1]	1336	time_do2d_xz = time_do2d_xz + dt_3d
	1337	ENDIF
[3646]	1338	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
[1]	1339	time_do2d_yz = time_do2d_yz + dt_3d
	1340	ENDIF
[3646]	1341	IF ( time_since_reference_point >= skip_time_do3d ) THEN
[1]	1342	time_do3d = time_do3d + dt_3d
	1343	ENDIF
[410]	1344	DO mid = 1, masks
[3646]	1345	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
[410]	1346	time_domask(mid)= time_domask(mid) + dt_3d
	1347	ENDIF
	1348	ENDDO
[3646]	1349	IF ( time_since_reference_point >= skip_time_dosp ) THEN
[1]	1350	time_dosp = time_dosp + dt_3d
	1351	ENDIF
	1352	time_dots = time_dots + dt_3d
[849]	1353	IF ( .NOT. first_call_lpm ) THEN
[1]	1354	time_dopts = time_dopts + dt_3d
	1355	ENDIF
[3646]	1356	IF ( time_since_reference_point >= skip_time_dopr ) THEN
[1]	1357	time_dopr = time_dopr + dt_3d
	1358	ENDIF
[3467]	1359	time_dopr_listing = time_dopr_listing + dt_3d
[1]	1360	time_run_control = time_run_control + dt_3d
[3347]	1361	!
[3421]	1362	!-- Increment time-counter for surface output
[3648]	1363	IF ( surface_output ) THEN
[3646]	1364	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
[3421]	1365	time_dosurf = time_dosurf + dt_3d
	1366	ENDIF
[3646]	1367	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
[3421]	1368	time_dosurf_av = time_dosurf_av + dt_3d
	1369	ENDIF
	1370	ENDIF
	1371	!
[3988]	1372	!-- Increment time-counter for virtual measurements
	1373	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
	1374	time_virtual_measurement = time_virtual_measurement + dt_3d
	1375	ENDIF
[4466]	1376
[3988]	1377	!
[4420]	1378	!-- Increment time-counter for wind turbine data output
	1379	IF ( wind_turbine ) THEN
	1380	time_wtm = time_wtm + dt_3d
	1381	ENDIF
[4466]	1382
[4420]	1383	!
[3347]	1384	!-- In case of synthetic turbulence generation and parametrized turbulence
[4466]	1385	!-- information, update the time counter and if required, adjust the
[3347]	1386	!-- STG to new atmospheric conditions.
	1387	IF ( use_syn_turb_gen ) THEN
	1388	IF ( parametrize_inflow_turbulence ) THEN
	1389	time_stg_adjust = time_stg_adjust + dt_3d
[3719]	1390	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
	1391	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
	1392	CALL stg_adjust
	1393	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
	1394	ENDIF
[3347]	1395	ENDIF
	1396	time_stg_call = time_stg_call + dt_3d
	1397	ENDIF
[1]	1398
	1399	!
[102]	1400	!-- Data exchange between coupled models
[3761]	1401	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
[102]	1402	time_coupling = time_coupling + dt_3d
[343]	1403
[108]	1404	!
[4466]	1405	!-- In case of model termination initiated by the local model
	1406	!-- (terminate_coupled > 0), the coupler must be skipped because it would
[108]	1407	!-- cause an MPI intercomminucation hang.
[4466]	1408	!-- If necessary, the coupler will be called at the beginning of the
[108]	1409	!-- next restart run.
[3761]	1410	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[102]	1411	CALL surface_coupler
	1412	time_coupling = time_coupling - dt_coupling
	1413	ENDDO
	1414	ENDIF
	1415
	1416	!
[3448]	1417	!-- Biometeorology calculation of stationary thermal indices
[3647]	1418	!-- Todo (kanani): biometeorology needs own time_... treatment.
	1419	!-- It might be that time_do2d_xy differs from time_do3d,
	1420	!-- and then we might get trouble with the biomet output,
	1421	!-- because we can have 2d and/or 3d biomet output!!
[3761]	1422	IF ( biometeorology &
	1423	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
	1424	.OR. &
	1425	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
[3647]	1426	) ) THEN
[3569]	1427	!
	1428	!-- If required, do thermal comfort calculations
	1429	IF ( thermal_comfort ) THEN
	1430	CALL bio_calculate_thermal_index_maps ( .FALSE. )
	1431	ENDIF
	1432	!
	1433	!-- If required, do UV exposure calculations
	1434	IF ( uv_exposure ) THEN
[4126]	1435	CALL bio_calculate_uv_exposure
[3569]	1436	ENDIF
[3448]	1437	ENDIF
	1438
	1439	!
[3684]	1440	!-- Execute alle other module actions routunes
	1441	CALL module_interface_actions( 'after_integration' )
[2817]	1442
	1443	!
[1]	1444	!-- If Galilei transformation is used, determine the distance that the
	1445	!-- model has moved so far
	1446	IF ( galilei_transformation ) THEN
	1447	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
	1448	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
	1449	ENDIF
	1450
	1451	!
	1452	!-- Check, if restart is necessary (because cpu-time is expiring or
	1453	!-- because it is forced by user) and set stop flag
[108]	1454	!-- This call is skipped if the remote model has already initiated a restart.
	1455	IF ( .NOT. terminate_run ) CALL check_for_restart
[1]	1456
	1457	!
	1458	!-- Carry out statistical analysis and output at the requested output times.
	1459	!-- The MOD function is used for calculating the output time counters (like
	1460	!-- time_dopr) in order to regard a possible decrease of the output time
	1461	!-- interval in case of restart runs
	1462
	1463	!
	1464	!-- Set a flag indicating that so far no statistics have been created
	1465	!-- for this time step
	1466	flow_statistics_called = .FALSE.
	1467
	1468	!
	1469	!-- If required, call flow_statistics for averaging in time
[3761]	1470	IF ( averaging_interval_pr /= 0.0_wp .AND. &
	1471	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
[3646]	1472	time_since_reference_point >= skip_time_dopr ) THEN
[1]	1473	time_dopr_av = time_dopr_av + dt_3d
	1474	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
	1475	do_sum = .TRUE.
[3761]	1476	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
[1]	1477	ENDIF
	1478	ENDIF
	1479	IF ( do_sum ) CALL flow_statistics
	1480
	1481	!
[410]	1482	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
[3761]	1483	IF ( averaging_interval /= 0.0_wp .AND. &
	1484	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
	1485	time_since_reference_point >= skip_time_data_output_av ) &
[1]	1486	THEN
	1487	time_do_sla = time_do_sla + dt_3d
	1488	IF ( time_do_sla >= dt_averaging_input ) THEN
[3994]	1489	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1490	CALL doq_calculate
[3994]	1491
[1]	1492	CALL sum_up_3d_data
	1493	average_count_3d = average_count_3d + 1
	1494	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
	1495	ENDIF
	1496	ENDIF
[3421]	1497	!
	1498	!-- Average surface data
[3648]	1499	IF ( surface_output ) THEN
[3761]	1500	IF ( averaging_interval_surf /= 0.0_wp &
	1501	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
[3647]	1502	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
[4466]	1503	IF ( time_dosurf_av >= dt_averaging_input ) THEN
[3648]	1504	CALL surface_data_output_averaging
[3421]	1505	average_count_surf = average_count_surf + 1
	1506	ENDIF
	1507	ENDIF
	1508	ENDIF
[1]	1509
	1510	!
	1511	!-- Calculate spectra for time averaging
[3761]	1512	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
	1513	.AND. time_since_reference_point >= skip_time_dosp ) THEN
[1]	1514	time_dosp_av = time_dosp_av + dt_3d
	1515	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
	1516	CALL calc_spectra
[3761]	1517	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
[1]	1518	ENDIF
	1519	ENDIF
	1520
	1521	!
[1957]	1522	!-- Call flight module and output data
	1523	IF ( virtual_flight ) THEN
	1524	CALL flight_measurement
	1525	CALL data_output_flight
	1526	ENDIF
[3472]	1527	!
	1528	!-- Take virtual measurements
[3988]	1529	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
	1530	.AND. vm_time_start <= time_since_reference_point ) THEN
[3704]	1531	CALL vm_sampling
	1532	CALL vm_data_output
[3988]	1533	time_virtual_measurement = MOD( time_virtual_measurement, &
	1534	MAX( dt_virtual_measurement, dt_3d ) )
[3704]	1535	ENDIF
[4466]	1536
[1957]	1537	!
[4420]	1538	!-- Output wind turbine data
	1539	IF ( wind_turbine .AND. time_wtm >= dt_data_output_wtm ) THEN
	1540	CALL wtm_data_output
	1541	time_wtm = MOD( time_wtm, MAX( dt_data_output_wtm, dt_3d ) )
	1542	ENDIF
[4466]	1543
[4420]	1544	!
[1]	1545	!-- Profile output (ASCII) on file
	1546	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
	1547	CALL print_1d
[3761]	1548	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
[1]	1549	ENDIF
	1550
	1551	!
	1552	!-- Graphic output for PROFIL
[3761]	1553	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
[1]	1554	IF ( dopr_n /= 0 ) CALL data_output_profiles
	1555	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
[1342]	1556	time_dopr_av = 0.0_wp ! due to averaging (see above)
[1]	1557	ENDIF
	1558
	1559	!
	1560	!-- Graphic output for time series
	1561	IF ( time_dots >= dt_dots ) THEN
[48]	1562	CALL data_output_tseries
[1]	1563	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
	1564	ENDIF
	1565
	1566	!
	1567	!-- Output of spectra (formatted for use with PROFIL), in case of no
	1568	!-- time averaging, spectra has to be calculated before
[3761]	1569	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
[1]	1570	IF ( average_count_sp == 0 ) CALL calc_spectra
	1571	CALL data_output_spectra
	1572	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
	1573	ENDIF
	1574
	1575	!
	1576	!-- 2d-data output (cross-sections)
[3761]	1577	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
[3994]	1578	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1579	CALL doq_calculate
[3994]	1580
[1]	1581	CALL data_output_2d( 'xy', 0 )
	1582	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
	1583	ENDIF
[3761]	1584	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
[3994]	1585	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
	1586
[4039]	1587	CALL doq_calculate
[1]	1588	CALL data_output_2d( 'xz', 0 )
	1589	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
	1590	ENDIF
[3761]	1591	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
[3994]	1592	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1593	CALL doq_calculate
[3994]	1594
[1]	1595	CALL data_output_2d( 'yz', 0 )
	1596	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
	1597	ENDIF
	1598
	1599	!
	1600	!-- 3d-data output (volume data)
[3761]	1601	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
[3994]	1602	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1603	CALL doq_calculate
[3994]	1604
[1]	1605	CALL data_output_3d( 0 )
	1606	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
	1607	ENDIF
	1608
	1609	!
[1783]	1610	!-- Masked data output
[410]	1611	DO mid = 1, masks
[3761]	1612	IF ( time_domask(mid) >= dt_domask(mid) &
	1613	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
[3994]	1614	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1615	CALL doq_calculate
[3994]	1616
[4069]	1617	CALL data_output_mask( 0, mid )
[3761]	1618	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
[410]	1619	ENDIF
	1620	ENDDO
	1621
	1622	!
	1623	!-- Output of time-averaged 2d/3d/masked data
[3761]	1624	IF ( time_do_av >= dt_data_output_av &
	1625	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
[1]	1626	CALL average_3d_data
[3742]	1627	!
	1628	!-- Udate thermal comfort indices based on updated averaged input
	1629	IF ( biometeorology .AND. thermal_comfort ) THEN
	1630	CALL bio_calculate_thermal_index_maps ( .TRUE. )
	1631	ENDIF
[1]	1632	CALL data_output_2d( 'xy', 1 )
	1633	CALL data_output_2d( 'xz', 1 )
	1634	CALL data_output_2d( 'yz', 1 )
	1635	CALL data_output_3d( 1 )
[410]	1636	DO mid = 1, masks
[4069]	1637	CALL data_output_mask( 1, mid )
[410]	1638	ENDDO
[1]	1639	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
	1640	ENDIF
[3421]	1641	!
	1642	!-- Output of surface data, instantaneous and averaged data
[3648]	1643	IF ( surface_output ) THEN
[3761]	1644	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
[3648]	1645	CALL surface_data_output( 0 )
[3421]	1646	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
	1647	ENDIF
[3761]	1648	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
[3648]	1649	CALL surface_data_output( 1 )
[3421]	1650	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
	1651	ENDIF
	1652	ENDIF
[1]	1653
	1654	!
	1655	!-- Output of particle time series
[253]	1656	IF ( particle_advection ) THEN
[3761]	1657	IF ( time_dopts >= dt_dopts .OR. &
	1658	( time_since_reference_point >= particle_advection_start .AND. &
[849]	1659	first_call_lpm ) ) THEN
[4017]	1660	CALL lpm_data_output_ptseries
[253]	1661	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
	1662	ENDIF
[1]	1663	ENDIF
	1664
	1665	!
[3719]	1666	!-- If required, set the heat flux for the next time step to a random value
[2232]	1667	IF ( constant_heatflux .AND. random_heatflux ) THEN
[3719]	1668	IF ( surf_def_h(0)%ns >= 1 ) THEN
	1669	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1670	CALL disturb_heatflux( surf_def_h(0) )
	1671	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1672	ENDIF
	1673	IF ( surf_lsm_h%ns >= 1 ) THEN
	1674	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1675	CALL disturb_heatflux( surf_lsm_h )
	1676	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1677	ENDIF
	1678	IF ( surf_usm_h%ns >= 1 ) THEN
	1679	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1680	CALL disturb_heatflux( surf_usm_h )
	1681	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1682	ENDIF
[2232]	1683	ENDIF
[1]	1684
	1685	!
[3684]	1686	!-- Execute alle other module actions routunes
	1687	CALL module_interface_actions( 'after_timestep' )
[2817]	1688
	1689	!
[1918]	1690	!-- Determine size of next time step. Save timestep dt_3d because it is
	1691	!-- newly calculated in routine timestep, but required further below for
	1692	!-- steering the run control output interval
	1693	dt_3d_old = dt_3d
	1694	CALL timestep
	1695
[4444]	1696	#if defined( __parallel )
[1918]	1697	!
[1925]	1698	!-- Synchronize the timestep in case of nested run.
	1699	IF ( nested_run ) THEN
	1700	!
	1701	!-- Synchronize by unifying the time step.
	1702	!-- Global minimum of all time-steps is used for all.
	1703	CALL pmci_synchronize
	1704	ENDIF
[4444]	1705	#endif
[1925]	1706
	1707	!
[1918]	1708	!-- Computation and output of run control parameters.
	1709	!-- This is also done whenever perturbations have been imposed
[3761]	1710	IF ( time_run_control >= dt_run_control .OR. &
	1711	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
[1918]	1712	THEN
	1713	CALL run_control
	1714	IF ( time_run_control >= dt_run_control ) THEN
[3761]	1715	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
[1918]	1716	ENDIF
	1717	ENDIF
	1718
	1719	!
[1402]	1720	!-- Output elapsed simulated time in form of a progress bar on stdout
	1721	IF ( myid == 0 ) CALL output_progress_bar
	1722
[1]	1723	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
	1724
[667]	1725
[1]	1726	ENDDO ! time loop
[3448]	1727
[3761]	1728	#if defined( _OPENACC )
[3658]	1729	CALL exit_surface_arrays
	1730	#endif
[3634]	1731	!$ACC END DATA
	1732	!$ACC END DATA
	1733	!$ACC END DATA
	1734	!$ACC END DATA
	1735	!$ACC END DATA
	1736	!$ACC END DATA
	1737	!$ACC END DATA
[4472]	1738	!$ACC END DATA
[3634]	1739
[4444]	1740	#if defined( __parallel )
[3347]	1741	!
[4466]	1742	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
[2365]	1743	IF ( vnest_init ) CALL vnest_deallocate
[4444]	1744	#endif
[2365]	1745
[1402]	1746	IF ( myid == 0 ) CALL finish_progress_bar
	1747
[3885]	1748	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
[1384]	1749
[1]	1750	END SUBROUTINE time_integration

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