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source: palm/trunk/SOURCE/time_integration.f90 @ 4555

Last change on this file since 4555 was 4521, checked in by schwenkel, 5 years ago
add error number
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 4521 2020-05-06 11:39:49Z moh.hefny $
[4521]	27	! Rename variable
	28	!
	29	! 4511 2020-04-30 12:20:40Z raasch
[4511]	30	! chemistry decycling replaced by explicit setting of lateral boundary conditions
	31	!
	32	! 4508 2020-04-24 13:32:20Z raasch
[4508]	33	! salsa decycling replaced by explicit setting of lateral boundary conditions
	34	!
	35	! 4502 2020-04-17 16:14:16Z schwenkel
[4502]	36	! Implementation of ice microphysics
	37	!
	38	! 4472 2020-03-24 12:21:00Z Giersch
[4472]	39	! OPENACC COPYIN directive for ddx and ddy added
	40	!
	41	! 4466 2020-03-20 16:14:41Z suehring
[4466]	42	! Add advection fluxes to ACC copyin
	43	!
	44	! 4457 2020-03-11 14:20:43Z raasch
[4457]	45	! use statement for exchange horiz added
[4466]	46	!
[4457]	47	! 4444 2020-03-05 15:59:50Z raasch
[4444]	48	! bugfix: cpp-directives for serial mode added
[4466]	49	!
[4444]	50	! 4420 2020-02-24 14:13:56Z maronga
[4420]	51	! Added output control for wind turbine model
[4466]	52	!
[4420]	53	! 4403 2020-02-12 13:08:46Z banzhafs
[4403]	54	! Allowing both existing and on-demand emission read modes
	55	!
	56	! 4360 2020-01-07 11:25:50Z suehring
[4356]	57	! Bugfix, hour_call_emis uninitialized at first call of time_integration
[4466]	58	!
[4356]	59	! 4346 2019-12-18 11:55:56Z motisi
[4346]	60	! Introduction of wall_flags_total_0, which currently sets bits based on static
	61	! topography information used in wall_flags_static_0
[4466]	62	!
[4346]	63	! 4329 2019-12-10 15:46:36Z motisi
[4329]	64	! Renamed wall_flags_0 to wall_flags_static_0
[4466]	65	!
[4329]	66	! 4281 2019-10-29 15:15:39Z schwenkel
[4281]	67	! Moved boundary conditions to module interface
[4466]	68	!
[4281]	69	! 4276 2019-10-28 16:03:29Z schwenkel
[4276]	70	! Further modularization of lpm code components
[4466]	71	!
[4276]	72	! 4275 2019-10-28 15:34:55Z schwenkel
[4275]	73	! Move call oft lpm to the end of intermediate timestep loop
[4276]	74	!
[4275]	75	! 4268 2019-10-17 11:29:38Z schwenkel
[4268]	76	! Removing module specific boundary conditions an put them into their modules
[4276]	77	!
[4268]	78	! 4227 2019-09-10 18:04:34Z gronemeier
[4227]	79	! implement new palm_date_time_mod
[4466]	80	!
[4227]	81	! 4226 2019-09-10 17:03:24Z suehring
[4226]	82	! Changes in interface for the offline nesting
[4466]	83	!
[4226]	84	! 4182 2019-08-22 15:20:23Z scharf
[4182]	85	! Corrected "Former revisions" section
[4466]	86	!
[4182]	87	! 4170 2019-08-19 17:12:31Z gronemeier
[4170]	88	! copy diss, diss_p, tdiss_m to GPU
[4466]	89	!
[4170]	90	! 4144 2019-08-06 09:11:47Z raasch
[4144]	91	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
[4466]	92	!
[4144]	93	! 4126 2019-07-30 11:09:11Z gronemeier
[4126]	94	! renamed routine to calculate uv exposure
[4466]	95	!
[4126]	96	! 4111 2019-07-22 18:16:57Z suehring
[4111]	97	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
[4466]	98	!
[4111]	99	! 4069 2019-07-01 14:05:51Z Giersch
[4466]	100	! Masked output running index mid has been introduced as a local variable to
[4069]	101	! avoid runtime error (Loop variable has been modified) in time_integration
[4466]	102	!
[4069]	103	! 4064 2019-07-01 05:33:33Z gronemeier
[4064]	104	! Moved call to radiation module out of intermediate time loop
[4466]	105	!
[4064]	106	! 4048 2019-06-21 21:00:21Z knoop
[4048]	107	! Moved production_e_init call into turbulence_closure_mod
[4466]	108	!
[4048]	109	! 4047 2019-06-21 18:58:09Z knoop
[4047]	110	! Added remainings of swap_timelevel upon its dissolution
[4466]	111	!
[4047]	112	! 4043 2019-06-18 16:59:00Z schwenkel
[4043]	113	! Further LPM modularization
	114	!
	115	! 4039 2019-06-18 10:32:41Z suehring
[4039]	116	! Rename subroutines in module for diagnostic quantities
[4466]	117	!
[4039]	118	! 4029 2019-06-14 14:04:35Z raasch
[4029]	119	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
	120	! bugfix: decycling of chemistry species after nesting data transfer
[4466]	121	!
[4029]	122	! 4022 2019-06-12 11:52:39Z suehring
[4022]	123	! Call synthetic turbulence generator at last RK3 substep right after boundary
[4466]	124	! conditions are updated in offline nesting in order to assure that
	125	! perturbations are always imposed
	126	!
[4022]	127	! 4017 2019-06-06 12:16:46Z schwenkel
[4010]	128	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
[4466]	129	!
[4010]	130	! 3994 2019-05-22 18:08:09Z suehring
[3994]	131	! output of turbulence intensity added
[4466]	132	!
[3994]	133	! 3988 2019-05-22 11:32:37Z kanani
[3988]	134	! Implement steerable output interval for virtual measurements
[4466]	135	!
[3988]	136	! 3968 2019-05-13 11:04:01Z suehring
[3968]	137	! replace nspec_out with n_matched_vars
[4466]	138	!
[3968]	139	! 3929 2019-04-24 12:52:08Z banzhafs
[3929]	140	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
	141	! chem_boundary_conds_decycle
[4466]	142	!
	143	!
[3929]	144	! 3885 2019-04-11 11:29:34Z kanani
[4466]	145	! Changes related to global restructuring of location messages and introduction
[3885]	146	! of additional debug messages
[3929]	147	!
[3885]	148	! 3879 2019-04-08 20:25:23Z knoop
[3875]	149	! Moved wtm_forces to module_interface_actions
[4466]	150	!
[3875]	151	! 3872 2019-04-08 15:03:06Z knoop
[3864]	152	! Modifications made for salsa:
	153	! - Call salsa_emission_update at each time step but do the checks within
	154	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
	155	! and next_aero_emission_update <= time_since_reference_point ).
[4466]	156	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
[3864]	157	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
	158	! - Apply nesting for salsa variables
	159	! - Removed cpu_log calls speciffic for salsa.
[4466]	160	!
[3864]	161	! 3833 2019-03-28 15:04:04Z forkel
[3879]	162	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
[4466]	163	!
[3833]	164	! 3820 2019-03-27 11:53:41Z forkel
[3820]	165	! renamed do_emiss to emissions_anthropogenic (ecc)
[4466]	166	!
	167	!
[3820]	168	! 3774 2019-03-04 10:52:49Z moh.hefny
[3774]	169	! rephrase if statement to avoid unallocated array in case of
	170	! nesting_offline is false (crashing during debug mode)
	171	!
	172	! 3761 2019-02-25 15:31:42Z raasch $
[3761]	173	! module section re-formatted and openacc required variables moved to separate section,
	174	! re-formatting to 100 char line width
[4466]	175	!
[3761]	176	! 3745 2019-02-15 18:57:56Z suehring
[3745]	177	! Call indoor model after first timestep
[4466]	178	!
[3745]	179	! 3744 2019-02-15 18:38:58Z suehring
[3742]	180	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
	181	! time_integration to make sure averaged input is updated before calculating.
[4466]	182	!
[3742]	183	! 3739 2019-02-13 08:05:17Z dom_dwd_user
[3739]	184	! Removed everything related to "time_bio_results" as this is never used.
[4466]	185	!
[3739]	186	! 3724 2019-02-06 16:28:23Z kanani
[4466]	187	! Correct double-used log_point_s unit
	188	!
[3724]	189	! 3719 2019-02-06 13:10:18Z kanani
[3719]	190	! - removed wind_turbine cpu measurement, since same time is measured inside
	191	! wtm_forces subroutine as special measures
	192	! - moved the numerous vnest cpulog to special measures
	193	! - extended radiation cpulog over entire radiation part,
	194	! moved radiation_interactions cpulog to special measures
	195	! - moved some cpu_log calls to this routine for better overview
[4466]	196	!
[3719]	197	! 3705 2019-01-29 19:56:39Z suehring
[3705]	198	! Data output for virtual measurements added
[4466]	199	!
[3705]	200	! 3704 2019-01-29 19:51:41Z suehring
[3648]	201	! Rename subroutines for surface-data output
[4466]	202	!
[3648]	203	! 3647 2019-01-02 14:10:44Z kanani
[3647]	204	! Bugfix: add time_since_reference_point to IF clause for data_output calls
	205	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
	206	! Clean up indoor_model and biometeorology model call.
[3569]	207	!
[4182]	208	! Revision 1.1 1997/08/11 06:19:04 raasch
	209	! Initial revision
	210	!
	211	!
[1]	212	! Description:
	213	! ------------
[1682]	214	!> Integration in time of the model equations, statistical analysis and graphic
	215	!> output
[1]	216	!------------------------------------------------------------------------------!
[1682]	217	SUBROUTINE time_integration
[1]	218
[4466]	219
[3761]	220	USE advec_ws, &
[1320]	221	ONLY: ws_statistics
	222
[3761]	223	USE arrays_3d, &
[4508]	224	ONLY: diss, diss_p, dzu, e_p, nc_p, ni_p, nr_p, prho, pt, pt_p, pt_init, q, qc_p, qr_p, &
	225	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]	226
[4444]	227	#if defined( __parallel ) && ! defined( _OPENACC )
	228	USE arrays_3d, &
[4508]	229	ONLY: e, nc, ni, nr, qc, qi, qr, s, w
[4444]	230	#endif
	231
[3761]	232	USE biometeorology_mod, &
[4126]	233	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
	234	uv_exposure
[3448]	235
[3761]	236	USE bulk_cloud_model_mod, &
	237	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
[4521]	238	microphysics_ice_phase, microphysics_morrison, microphysics_seifert
[3294]	239
[3761]	240	USE calc_mean_profile_mod, &
[1320]	241	ONLY: calc_mean_profile
	242
[3761]	243	USE chem_emissions_mod, &
[4403]	244	ONLY: chem_emissions_setup, chem_emissions_update_on_demand
[2696]	245
[3833]	246	USE chem_gasphase_mod, &
[3929]	247	ONLY: nvar
[3833]	248
[3761]	249	USE chem_modules, &
[4511]	250	ONLY: bc_cs_t_val, chem_species, communicator_chem, emissions_anthropogenic, &
	251	emiss_read_legacy_mode, n_matched_vars
[2696]	252
[3761]	253	USE control_parameters, &
	254	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
	255	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
	256	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
[4276]	257	constant_flux_layer, constant_heatflux, create_disturbances, &
[3761]	258	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
	259	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
	260	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
	261	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
[4017]	262	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
[3761]	263	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
	264	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
	265	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
[4069]	266	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
[3761]	267	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
[4444]	268	pt_slope_offset, random_heatflux, rans_tke_e, run_coupled, salsa, &
[3761]	269	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
	270	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
	271	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
	272	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
	273	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
	274	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
[4017]	275	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
[4508]	276	timestep_count, turbulent_inflow, turbulent_outflow, urban_surface, &
[3761]	277	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
[4508]	278	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca
[1320]	279
[4444]	280	#if defined( __parallel )
	281	USE control_parameters, &
	282	ONLY: rans_mode
	283	#endif
	284
[3761]	285	USE cpulog, &
[1320]	286	ONLY: cpu_log, log_point, log_point_s
	287
[3994]	288	USE diagnostic_output_quantities_mod, &
[4039]	289	ONLY: doq_calculate, &
[3994]	290	timestep_number_at_prev_calc
	291
[4457]	292	USE exchange_horiz_mod, &
	293	ONLY: exchange_horiz
	294
[3761]	295	USE flight_mod, &
[1957]	296	ONLY: flight_measurement
	297
[4472]	298	USE grid_variables, &
	299	ONLY: ddx, ddy
	300
[3761]	301	USE indices, &
	302	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
[1320]	303
[3761]	304	USE indoor_model_mod, &
	305	ONLY: dt_indoor, im_main_heatcool, time_indoor
[3469]	306
[1918]	307	USE interfaces
	308
[1320]	309	USE kinds
	310
[3761]	311	USE land_surface_model_mod, &
	312	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
[1496]	313
[4017]	314	USE lagrangian_particle_model_mod, &
[4276]	315	ONLY: lpm_data_output_ptseries
[3761]	316
	317	USE lsf_nudging_mod, &
[3347]	318	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
[1320]	319
[3761]	320	USE module_interface, &
[4268]	321	ONLY: module_interface_actions, module_interface_swap_timelevel, &
	322	module_interface_boundary_conditions
[3684]	323
[3761]	324	USE multi_agent_system_mod, &
[3198]	325	ONLY: agents_active, multi_agent_system
[3448]	326
[3761]	327	USE nesting_offl_mod, &
[4226]	328	ONLY: nesting_offl_bc, &
	329	nesting_offl_geostrophic_wind, &
	330	nesting_offl_input, &
	331	nesting_offl_interpolation_factor, &
	332	nesting_offl_mass_conservation
[3864]	333
[3761]	334	USE netcdf_data_input_mod, &
[4226]	335	ONLY: chem_emis, chem_emis_att
[3298]	336
[3761]	337	USE ocean_mod, &
[3294]	338	ONLY: prho_reference
	339
[4227]	340	USE palm_date_time_mod, &
	341	ONLY: get_date_time
	342
[3761]	343	USE particle_attributes, &
	344	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
[1320]	345
[1]	346	USE pegrid
	347
[4444]	348	#if defined( __parallel )
[3761]	349	USE pmc_interface, &
[4010]	350	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
[4047]	351	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
	352	pmci_set_swaplevel
[4444]	353	#endif
[1762]	354
[3761]	355	USE progress_bar, &
[1402]	356	ONLY: finish_progress_bar, output_progress_bar
	357
[3761]	358	USE prognostic_equations_mod, &
[2118]	359	ONLY: prognostic_equations_cache, prognostic_equations_vector
[1320]	360
[3761]	361	USE radiation_model_mod, &
	362	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
	363	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
[3864]	364
[3761]	365	USE salsa_mod, &
[3864]	366	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
[4508]	367	communicator_salsa, nbins_aerosol, ncomponents_mass, ngases_salsa, &
	368	salsa_boundary_conditions, salsa_emission_update, salsa_gas, salsa_gases_from_chem, &
	369	skip_time_do_salsa
[1496]	370
[3761]	371	USE spectra_mod, &
	372	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
[1786]	373
[3761]	374	USE statistics, &
	375	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
[1320]	376
[3761]	377
	378	USE surface_layer_fluxes_mod, &
[1691]	379	ONLY: surface_layer_fluxes
	380
[3761]	381	USE surface_data_output_mod, &
	382	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
	383	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
[3648]	384	skip_time_dosurf_av, time_dosurf, time_dosurf_av
[2232]	385
[3761]	386	USE surface_mod, &
	387	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
	388
	389	USE synthetic_turbulence_generator_mod, &
	390	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
	391	time_stg_adjust, time_stg_call, use_syn_turb_gen
	392
	393	USE turbulence_closure_mod, &
[4048]	394	ONLY: tcm_diffusivities
[2696]	395
[3761]	396	USE urban_surface_mod, &
	397	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
[3597]	398	usm_surface_energy_balance, usm_green_heat_model
[2007]	399
[3761]	400	USE vertical_nesting_mod, &
[4444]	401	ONLY: vnested, vnest_init
[3864]	402
[4444]	403	#if defined( __parallel )
	404	USE vertical_nesting_mod, &
	405	ONLY: vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
	406	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init_fine, vnest_start_time
	407	#endif
	408
[3761]	409	USE virtual_measurement_mod, &
[3988]	410	ONLY: dt_virtual_measurement, &
	411	time_virtual_measurement, &
	412	vm_data_output, &
	413	vm_sampling, &
	414	vm_time_start
[2259]	415
[4466]	416
[4420]	417	USE wind_turbine_model_mod, &
	418	ONLY: dt_data_output_wtm, time_wtm, wind_turbine, wtm_data_output
[1914]	419
[3761]	420	#if defined( _OPENACC )
[4444]	421	USE arrays_3d, &
[4466]	422	ONLY: d, dd2zu, ddzu, ddzw, &
	423	diss_l_u, &
	424	diss_l_v, &
	425	diss_l_w, &
	426	diss_s_u, &
	427	diss_s_v, &
	428	diss_s_w, &
	429	drho_air, drho_air_zw, dzw, e, &
	430	flux_l_u, &
	431	flux_l_v, &
	432	flux_l_w, &
	433	flux_s_u, &
	434	flux_s_v, &
	435	flux_s_w, &
	436	heatflux_output_conversion, &
[4508]	437	kh, km, momentumflux_output_conversion, nc, ni, nr, p, ptdf_x, ptdf_y, qc, qi, qr, rdf, &
[4444]	438	rdf_sc, rho_air, rho_air_zw, s, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, &
[4508]	439	u_stokes_zu, vg, v_init, v_stokes_zu, w, zu
[2365]	440
[3761]	441	USE control_parameters, &
	442	ONLY: tsc
	443
	444	USE indices, &
[4346]	445	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
[3761]	446
	447	USE statistics, &
	448	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
	449	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
	450	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
[4508]	451	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l, sums_wsqis_ws_l, &
	452	sums_wsnis_ws_l
[3761]	453
	454	USE surface_mod, &
	455	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
	456	#endif
	457
	458
[1]	459	IMPLICIT NONE
	460
[3298]	461	CHARACTER (LEN=9) :: time_to_string !<
[3864]	462
[4356]	463	INTEGER(iwp) :: hour !< hour of current time
	464	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
	465	INTEGER(iwp) :: ib !< index for aerosol size bins
	466	INTEGER(iwp) :: ic !< index for aerosol mass bins
	467	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
	468	INTEGER(iwp) :: ig !< index for salsa gases
[4444]	469	INTEGER(iwp) :: mid !< masked output running index
[4356]	470	INTEGER(iwp) :: n !< loop counter for chemistry species
[3014]	471
[1918]	472	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
	473	!< steering of run control output interval
[3241]	474	REAL(wp) :: time_since_reference_point_save !< original value of
	475	!< time_since_reference_point
	476
[3634]	477
[3761]	478	!
	479	!-- Copy data from arrays_3d
[4466]	480	!$ACC DATA &
[3634]	481	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
[4170]	482	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	483	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	484	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	485	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	486	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	487	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	488	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	489	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	490	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	491
	492	!$ACC DATA &
[4466]	493	!$ACC COPYIN(diss_l_u(0:nz+1,nys:nyn,0), flux_l_u(0:nz+1,nys:nyn,0)) &
	494	!$ACC COPYIN(diss_l_v(0:nz+1,nys:nyn,0), flux_l_v(0:nz+1,nys:nyn,0)) &
	495	!$ACC COPYIN(diss_l_w(0:nz+1,nys:nyn,0), flux_l_w(0:nz+1,nys:nyn,0)) &
	496	!$ACC COPYIN(diss_s_u(0:nz+1,0), flux_s_u(0:nz+1,0)) &
	497	!$ACC COPYIN(diss_s_v(0:nz+1,0), flux_s_v(0:nz+1,0)) &
	498	!$ACC COPYIN(diss_s_w(0:nz+1,0), flux_s_w(0:nz+1,0)) &
[4170]	499	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	500	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	501	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	502	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	503	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	504	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	505	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[4170]	506	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[3634]	507	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	508	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	509	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	510	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	511	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
	512
	513	!$ACC DATA &
	514	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
	515	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
	516	!$ACC COPYIN(zu(nzb:nzt+1)) &
	517	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
	518	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
	519	!$ACC COPYIN(ddzw(1:nzt+1)) &
[3658]	520	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
	521	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
[3634]	522	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
	523	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
	524	!$ACC COPYIN(ref_state(0:nz+1)) &
	525	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
	526	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
	527	!$ACC COPYIN(pt_init(0:nz+1)) &
	528	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
	529
[3761]	530	!
	531	!-- Copy data from control_parameters
[3634]	532	!$ACC DATA &
	533	!$ACC COPYIN(tsc(1:5))
	534
[3761]	535	!
[4472]	536	!-- Copy data from grid_variables
	537	!$ACC DATA &
	538	!$ACC COPYIN(ddx, ddy)
	539
	540	!
[3761]	541	!-- Copy data from indices
[3634]	542	!$ACC DATA &
[4111]	543	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
	544	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
[4346]	545	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
[3634]	546
[3761]	547	!
	548	!-- Copy data from surface_mod
[3634]	549	!$ACC DATA &
	550	!$ACC COPYIN(bc_h(0:1)) &
	551	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
	552	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
	553	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
	554	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
	555	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
	556	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
	557
[3761]	558	!
	559	!-- Copy data from statistics
[3634]	560	!$ACC DATA &
[3658]	561	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
[3634]	562	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
	563	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
[3658]	564	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
[3634]	565	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
	566	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
	567	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
	568	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
	569	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
	570	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
	571	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
	572	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
	573	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
	574	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
[4502]	575	!$ACC COPY(sums_wsqis_ws_l(nzb:nzt+1,0)) &
[3634]	576	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
	577	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
[4502]	578	!$ACC COPY(sums_wsnis_ws_l(nzb:nzt+1,0)) &
[3634]	579	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
	580	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
	581	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
	582
[4472]	583	!
	584	!-- Next statement is to avoid compiler warnings about unused variables. Please
	585	!-- remove in case that you are using them. ddx and ddy need to be defined in
	586	!-- time_integration because of ACC COPYIN directive.
	587	ddx = ddx
	588	ddy = ddy
	589
[3761]	590	#if defined( _OPENACC )
[3658]	591	CALL enter_surface_arrays
	592	#endif
	593
[1]	594	!
[1918]	595	!-- At beginning determine the first time step
	596	CALL timestep
[4444]	597
	598	#if defined( __parallel )
[1764]	599	!
	600	!-- Synchronize the timestep in case of nested run.
	601	IF ( nested_run ) THEN
[1878]	602	!
	603	!-- Synchronization by unifying the time step.
	604	!-- Global minimum of all time-steps is used for all.
	605	CALL pmci_synchronize
[1764]	606	ENDIF
[4444]	607	#endif
[1764]	608
[1918]	609	!
	610	!-- Determine and print out the run control quantities before the first time
	611	!-- step of this run. For the initial run, some statistics (e.g. divergence)
[3004]	612	!-- need to be determined first --> CALL flow_statistics at the beginning of
	613	!-- run_control
[1]	614	CALL run_control
[108]	615	!
[4466]	616	!-- Data exchange between coupled models in case that a call has been omitted
[108]	617	!-- at the end of the previous run of a job chain.
[3761]	618	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
[108]	619	!
[4466]	620	!-- In case of model termination initiated by the local model the coupler
	621	!-- must not be called because this would again cause an MPI hang.
[1918]	622	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[108]	623	CALL surface_coupler
	624	time_coupling = time_coupling - dt_coupling
	625	ENDDO
[3761]	626	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
[348]	627	time_coupling = time_since_reference_point
	628	ENDIF
[108]	629	ENDIF
	630
[3885]	631	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
[3761]	632
[1]	633	!
	634	!-- Start of the time loop
[3761]	635	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
[1]	636
	637	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
[4444]	638
	639	#if defined( __parallel )
[1]	640	!
[2365]	641	!-- Vertical nesting: initialize fine grid
	642	IF ( vnested ) THEN
	643	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
[3719]	644	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
[2365]	645	CALL vnest_init_fine
	646	vnest_init = .TRUE.
[3719]	647	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
[2365]	648	ENDIF
	649	ENDIF
[4444]	650	#endif
	651
[2365]	652	!
[4466]	653	!-- Determine ug, vg and w_subs in dependence on data from external file
[1241]	654	!-- LSF_DATA
[1365]	655	IF ( large_scale_forcing .AND. lsf_vert ) THEN
[1241]	656	CALL ls_forcing_vert ( simulated_time )
[1365]	657	sums_ls_l = 0.0_wp
[1241]	658	ENDIF
	659
	660	!
[4466]	661	!-- Set pt_init and q_init to the current profiles taken from
	662	!-- NUDGING_DATA
[1380]	663	IF ( nudging ) THEN
	664	CALL nudge_ref ( simulated_time )
	665	!
	666	!-- Store temperature gradient at the top boundary for possible Neumann
	667	!-- boundary condition
	668	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
	669	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
[3298]	670	IF ( air_chemistry ) THEN
[4511]	671	DO n = 1, nvar
	672	bc_cs_t_val = ( chem_species(n)%conc_pr_init(nzt+1) &
	673	- chem_species(n)%conc_pr_init(nzt) ) &
[3298]	674	/ dzu(nzt+1)
	675	ENDDO
	676	ENDIF
[3864]	677	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	678	DO ib = 1, nbins_aerosol
	679	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
	680	dzu(nzt+1)
	681	DO ic = 1, ncomponents_mass
	682	icc = ( ic - 1 ) * nbins_aerosol + ib
	683	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
	684	dzu(nzt+1)
	685	ENDDO
	686	ENDDO
	687	IF ( .NOT. salsa_gases_from_chem ) THEN
	688	DO ig = 1, ngases_salsa
	689	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
	690	dzu(nzt+1)
	691	ENDDO
	692	ENDIF
	693	ENDIF
[1380]	694	ENDIF
[2696]	695	!
[4466]	696	!-- Input of boundary data.
[4226]	697	IF ( nesting_offline ) CALL nesting_offl_input
[1380]	698	!
[4276]	699	!-- Execute all other module actions routines
[3684]	700	CALL module_interface_actions( 'before_timestep' )
[4466]	701
[4508]	702	!
[1]	703	!-- Start of intermediate step loop
	704	intermediate_timestep_count = 0
[3761]	705	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
[1]	706
	707	intermediate_timestep_count = intermediate_timestep_count + 1
	708
	709	!
	710	!-- Set the steering factors for the prognostic equations which depend
	711	!-- on the timestep scheme
	712	CALL timestep_scheme_steering
	713
	714	!
[1128]	715	!-- Calculate those variables needed in the tendency terms which need
	716	!-- global communication
[3761]	717	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
	718	THEN
[1179]	719	!
	720	!-- Horizontally averaged profiles to be used as reference state in
	721	!-- buoyancy terms (WARNING: only the respective last call of
	722	!-- calc_mean_profile defines the reference state!)
[1365]	723	IF ( .NOT. neutral ) THEN
	724	CALL calc_mean_profile( pt, 4 )
	725	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
	726	ENDIF
[3294]	727	IF ( ocean_mode ) THEN
[2031]	728	CALL calc_mean_profile( rho_ocean, 64 )
[1365]	729	ref_state(:) = hom(:,1,64,0)
	730	ENDIF
	731	IF ( humidity ) THEN
	732	CALL calc_mean_profile( vpt, 44 )
	733	ref_state(:) = hom(:,1,44,0)
	734	ENDIF
[2617]	735	!
	736	!-- Assure that ref_state does not become zero at any level
[4466]	737	!-- ( might be the case if a vertical level is completely occupied
[2617]	738	!-- with topography ).
[3761]	739	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
[1179]	740	ENDIF
	741
[3761]	742	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
	743	THEN
	744	CALL ws_statistics
	745	ENDIF
[1365]	746	!
	747	!-- In case of nudging calculate current nudging time scale and horizontal
[1380]	748	!-- means of u, v, pt and q
[1365]	749	IF ( nudging ) THEN
	750	CALL calc_tnudge( simulated_time )
	751	CALL calc_mean_profile( u, 1 )
	752	CALL calc_mean_profile( v, 2 )
	753	CALL calc_mean_profile( pt, 4 )
	754	CALL calc_mean_profile( q, 41 )
	755	ENDIF
[1128]	756	!
[3876]	757	!-- Execute all other module actions routunes
	758	CALL module_interface_actions( 'before_prognostic_equations' )
	759	!
[1]	760	!-- Solve the prognostic equations. A fast cache optimized version with
	761	!-- only one single loop is used in case of Piascek-Williams advection
	762	!-- scheme. NEC vector machines use a different version, because
	763	!-- in the other versions a good vectorization is prohibited due to
	764	!-- inlining problems.
[1019]	765	IF ( loop_optimization == 'cache' ) THEN
	766	CALL prognostic_equations_cache
	767	ELSEIF ( loop_optimization == 'vector' ) THEN
[63]	768	CALL prognostic_equations_vector
[1]	769	ENDIF
[4508]	770
[1]	771	!
[3159]	772	!-- Movement of agents in multi agent system
[3761]	773	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
	774	time_since_reference_point <= multi_agent_system_end .AND. &
	775	intermediate_timestep_count == 1 ) &
	776	THEN
[3159]	777	CALL multi_agent_system
	778	first_call_mas = .FALSE.
	779	ENDIF
	780
	781	!
[1]	782	!-- Exchange of ghost points (lateral boundary conditions)
[2118]	783	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
[1113]	784
[2118]	785	CALL exchange_horiz( u_p, nbgp )
	786	CALL exchange_horiz( v_p, nbgp )
	787	CALL exchange_horiz( w_p, nbgp )
	788	CALL exchange_horiz( pt_p, nbgp )
	789	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
[3761]	790	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
[2696]	791	.OR. use_sgs_for_particles ) THEN
	792	IF ( rans_tke_e ) THEN
	793	CALL exchange_horiz( diss_p, nbgp )
	794	ELSE
	795	CALL exchange_horiz( diss, nbgp )
	796	ENDIF
	797	ENDIF
[3294]	798	IF ( ocean_mode ) THEN
[2118]	799	CALL exchange_horiz( sa_p, nbgp )
	800	CALL exchange_horiz( rho_ocean, nbgp )
	801	CALL exchange_horiz( prho, nbgp )
	802	ENDIF
	803	IF ( humidity ) THEN
	804	CALL exchange_horiz( q_p, nbgp )
[3274]	805	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
[2292]	806	CALL exchange_horiz( qc_p, nbgp )
	807	CALL exchange_horiz( nc_p, nbgp )
	808	ENDIF
[3274]	809	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
[2118]	810	CALL exchange_horiz( qr_p, nbgp )
	811	CALL exchange_horiz( nr_p, nbgp )
[1053]	812	ENDIF
[4521]	813	IF ( bulk_cloud_model .AND. microphysics_ice_phase ) THEN
[4502]	814	CALL exchange_horiz( qi_p, nbgp )
	815	CALL exchange_horiz( ni_p, nbgp )
	816	ENDIF
[2118]	817	ENDIF
[2696]	818	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
[3929]	819	IF ( air_chemistry ) THEN
[4511]	820	DO n = 1, nvar
	821	CALL exchange_horiz( chem_species(n)%conc_p, nbgp, &
	822	alternative_communicator = communicator_chem )
[4029]	823	ENDDO
	824	ENDIF
	825
	826	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	827	DO ib = 1, nbins_aerosol
[4508]	828	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp, &
	829	alternative_communicator = communicator_salsa )
[4029]	830	DO ic = 1, ncomponents_mass
	831	icc = ( ic - 1 ) * nbins_aerosol + ib
[4508]	832	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp, &
	833	alternative_communicator = communicator_salsa )
[4029]	834	ENDDO
	835	ENDDO
	836	IF ( .NOT. salsa_gases_from_chem ) THEN
	837	DO ig = 1, ngases_salsa
[4508]	838	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp, &
	839	alternative_communicator = communicator_salsa )
[4029]	840	ENDDO
	841	ENDIF
	842	ENDIF
[4508]	843
[4029]	844	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
	845
[3929]	846	!
[4029]	847	!-- Boundary conditions for the prognostic quantities (except of the
[4281]	848	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
	849	!-- boundary conditions for module-specific variables
[4268]	850	CALL module_interface_boundary_conditions
[4508]	851
[1]	852	!
[4047]	853	!-- Incrementing timestep counter
	854	timestep_count = timestep_count + 1
[73]	855
[4047]	856	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
[2365]	857	!
[4047]	858	!-- Set the swap level for all modules
	859	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
[4444]	860
	861	#if defined( __parallel )
[4047]	862	!
	863	!-- Set the swap level for steering the pmc data transfer
	864	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
[4444]	865	#endif
[4047]	866
	867	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
	868
[4444]	869	#if defined( __parallel )
[4047]	870	!
[2365]	871	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
	872	IF ( vnest_init ) THEN
[3719]	873	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
[2365]	874	CALL vnest_anterpolate
[3719]	875	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
[2365]	876	ENDIF
	877
[1764]	878	IF ( nested_run ) THEN
[1797]	879
[1764]	880	CALL cpu_log( log_point(60), 'nesting', 'start' )
[1762]	881	!
[1933]	882	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
	883	!-- and pmci_child_datatrans are called inside the wrapper
[1797]	884	!-- subroutine pmci_datatrans according to the control parameters
	885	!-- nesting_mode and nesting_datatransfer_mode.
	886	!-- TO_DO: why is nesting_mode given as a parameter here?
	887	CALL pmci_datatrans( nesting_mode )
[1762]	888
[3761]	889	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
[4029]	890
	891	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
[1762]	892	!
[1933]	893	!-- Exchange_horiz is needed for all parent-domains after the
[1764]	894	!-- anterpolation
	895	CALL exchange_horiz( u, nbgp )
	896	CALL exchange_horiz( v, nbgp )
	897	CALL exchange_horiz( w, nbgp )
[2174]	898	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
	899
	900	IF ( humidity ) THEN
	901
	902	CALL exchange_horiz( q, nbgp )
	903
[3274]	904	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
[2292]	905	CALL exchange_horiz( qc, nbgp )
	906	CALL exchange_horiz( nc, nbgp )
	907	ENDIF
[3274]	908	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
[2174]	909	CALL exchange_horiz( qr, nbgp )
	910	CALL exchange_horiz( nr, nbgp )
	911	ENDIF
[4521]	912	IF ( bulk_cloud_model .AND. microphysics_ice_phase ) THEN
[4508]	913	CALL exchange_horiz( qi, nbgp )
	914	CALL exchange_horiz( ni, nbgp )
[4502]	915	ENDIF
[4508]	916
[2174]	917	ENDIF
	918
[4466]	919	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
[3864]	920
[2174]	921	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
[2773]	922
[3761]	923	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
[2938]	924	CALL exchange_horiz( diss, nbgp )
[3761]	925	ENDIF
[2938]	926
[2773]	927	IF ( air_chemistry ) THEN
[3929]	928	DO n = 1, nvar
[4511]	929	CALL exchange_horiz( chem_species(n)%conc, nbgp, &
	930	alternative_communicator = communicator_chem )
[2773]	931	ENDDO
	932	ENDIF
	933
[3864]	934	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
	935	DO ib = 1, nbins_aerosol
[4508]	936	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp, &
	937	alternative_communicator = communicator_salsa )
[3864]	938	DO ic = 1, ncomponents_mass
	939	icc = ( ic - 1 ) * nbins_aerosol + ib
[4508]	940	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp, &
	941	alternative_communicator = communicator_salsa )
[3864]	942	ENDDO
	943	ENDDO
	944	IF ( .NOT. salsa_gases_from_chem ) THEN
	945	DO ig = 1, ngases_salsa
[4508]	946	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp, &
	947	alternative_communicator = communicator_salsa )
[3864]	948	ENDDO
	949	ENDIF
	950	ENDIF
[4029]	951	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
[3864]	952
[1762]	953	ENDIF
[4029]	954
[1762]	955	!
[2311]	956	!-- Set boundary conditions again after interpolation and anterpolation.
	957	CALL pmci_boundary_conds
[1764]	958
	959	CALL cpu_log( log_point(60), 'nesting', 'stop' )
	960
[1762]	961	ENDIF
[4444]	962	#endif
[1762]	963
	964	!
[1]	965	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
	966	!-- when a sloping surface is used
	967	IF ( sloping_surface ) THEN
[3761]	968	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
	969	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
[1]	970	ENDIF
	971
	972	!
[151]	973	!-- Impose a turbulent inflow using the recycling method
[3719]	974	IF ( turbulent_inflow ) CALL inflow_turbulence
[151]	975
	976	!
[2050]	977	!-- Set values at outflow boundary using the special outflow condition
[3719]	978	IF ( turbulent_outflow ) CALL outflow_turbulence
[2050]	979
	980	!
[1]	981	!-- Impose a random perturbation on the horizontal velocity field
[3761]	982	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
	983	intermediate_timestep_count == intermediate_timestep_count_max ) &
	984	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
[1]	985	THEN
	986	time_disturb = time_disturb + dt_3d
	987	IF ( time_disturb >= dt_disturb ) THEN
[3761]	988	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
[1736]	989	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
[2232]	990	CALL disturb_field( 'u', tend, u )
	991	CALL disturb_field( 'v', tend, v )
[3761]	992	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
	993	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
[3182]	994	THEN
[1]	995	!
	996	!-- Runs with a non-cyclic lateral wall need perturbations
	997	!-- near the inflow throughout the whole simulation
	998	dist_range = 1
[2232]	999	CALL disturb_field( 'u', tend, u )
	1000	CALL disturb_field( 'v', tend, v )
[1]	1001	dist_range = 0
	1002	ENDIF
	1003	time_disturb = time_disturb - dt_disturb
	1004	ENDIF
	1005	ENDIF
	1006
	1007	!
[4466]	1008	!-- Map forcing data derived from larger scale model onto domain
[4226]	1009	!-- boundaries. Further, update geostrophic wind components.
[3761]	1010	IF ( nesting_offline .AND. intermediate_timestep_count == &
[4226]	1011	intermediate_timestep_count_max ) THEN
[4466]	1012	!-- Determine interpolation factor before boundary conditions and geostrophic wind
[4226]	1013	!-- is updated.
	1014	CALL nesting_offl_interpolation_factor
[3347]	1015	CALL nesting_offl_bc
[4226]	1016	CALL nesting_offl_geostrophic_wind
	1017	ENDIF
[2938]	1018	!
[4022]	1019	!-- Impose a turbulent inflow using synthetic generated turbulence.
	1020	IF ( use_syn_turb_gen .AND. &
	1021	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
[3719]	1022	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
[3347]	1023	CALL stg_main
[3719]	1024	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
[2696]	1025	ENDIF
	1026	!
[3347]	1027	!-- Ensure mass conservation. This need to be done after imposing
	1028	!-- synthetic turbulence and top boundary condition for pressure is set to
[4466]	1029	!-- Neumann conditions.
[3347]	1030	!-- Is this also required in case of Dirichlet?
	1031	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
	1032	!
[1]	1033	!-- Reduce the velocity divergence via the equation for perturbation
	1034	!-- pressure.
[106]	1035	IF ( intermediate_timestep_count == 1 .OR. &
	1036	call_psolver_at_all_substeps ) THEN
[2365]	1037
	1038	IF ( vnest_init ) THEN
[4444]	1039	#if defined( __parallel )
[2365]	1040	!
	1041	!-- Compute pressure in the CG, interpolate top boundary conditions
	1042	!-- to the FG and then compute pressure in the FG
	1043	IF ( coupling_mode == 'vnested_crse' ) CALL pres
	1044
[3719]	1045	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
[2365]	1046	CALL vnest_boundary_conds
[3719]	1047	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
[4466]	1048
[2365]	1049	IF ( coupling_mode == 'vnested_fine' ) CALL pres
	1050
	1051	!-- Anterpolate TKE, satisfy Germano Identity
[3719]	1052	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
[2365]	1053	CALL vnest_anterpolate_e
[3719]	1054	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
[4444]	1055	#else
	1056	CONTINUE
	1057	#endif
[2365]	1058
	1059	ELSE
[4444]	1060	#if defined( __parallel )
[4268]	1061	!
[4010]	1062	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
	1063	IF ( child_domain ) THEN
	1064	IF ( nesting_mode == 'vertical' ) THEN
	1065	CALL pmci_ensure_nest_mass_conservation_vertical
	1066	ELSE
	1067	CALL pmci_ensure_nest_mass_conservation
	1068	ENDIF
	1069	ENDIF
[4444]	1070	#endif
[2365]	1071	CALL pres
	1072
	1073	ENDIF
	1074
[1]	1075	ENDIF
[4275]	1076	!
	1077	!-- Particle transport/physics with the Lagrangian particle model
	1078	!-- (only once during intermediate steps, because it uses an Euler-step)
	1079	!-- ### particle model should be moved before prognostic_equations, in order
	1080	!-- to regard droplet interactions directly
[1]	1081
[4276]	1082	CALL module_interface_actions( 'after_pressure_solver' )
[1]	1083	!
[4275]	1084	!-- Interaction of droplets with temperature and mixing ratio.
	1085	!-- Droplet condensation and evaporation is calculated within
	1086	!-- advec_particles.
	1087	!
[1]	1088	!-- If required, compute liquid water content
[3274]	1089	IF ( bulk_cloud_model ) THEN
[1015]	1090	CALL calc_liquid_water_content
	1091	ENDIF
[2174]	1092	!
[4466]	1093	!-- If required, compute virtual potential temperature
	1094	IF ( humidity ) THEN
	1095	CALL compute_vpt
	1096	ENDIF
[1585]	1097
[1]	1098	!
	1099	!-- Compute the diffusion quantities
	1100	IF ( .NOT. constant_diffusion ) THEN
	1101
	1102	!
[4466]	1103	!-- Determine surface fluxes shf and qsws and surface values
	1104	!-- pt_surface and q_surface in dependence on data from external
[1276]	1105	!-- file LSF_DATA respectively
[3761]	1106	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
	1107	intermediate_timestep_count == intermediate_timestep_count_max ) &
[1276]	1108	THEN
[2320]	1109	CALL ls_forcing_surf( simulated_time )
[1276]	1110	ENDIF
	1111
	1112	!
[4466]	1113	!-- First the vertical (and horizontal) fluxes in the surface
[2232]	1114	!-- (constant flux) layer are computed
[1691]	1115	IF ( constant_flux_layer ) THEN
	1116	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
	1117	CALL surface_layer_fluxes
	1118	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
[1]	1119	ENDIF
	1120	!
[4466]	1121	!-- If required, solve the energy balance for the surface and run soil
[2232]	1122	!-- model. Call for horizontal as well as vertical surfaces
[2696]	1123	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
[1691]	1124
	1125	CALL cpu_log( log_point(54), 'land_surface', 'start' )
[2232]	1126	!
	1127	!-- Call for horizontal upward-facing surfaces
	1128	CALL lsm_energy_balance( .TRUE., -1 )
[2299]	1129	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
[2232]	1130	!
	1131	!-- Call for northward-facing surfaces
	1132	CALL lsm_energy_balance( .FALSE., 0 )
[2299]	1133	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
[2232]	1134	!
	1135	!-- Call for southward-facing surfaces
	1136	CALL lsm_energy_balance( .FALSE., 1 )
[2299]	1137	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
[2232]	1138	!
	1139	!-- Call for eastward-facing surfaces
	1140	CALL lsm_energy_balance( .FALSE., 2 )
[2299]	1141	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
[2232]	1142	!
	1143	!-- Call for westward-facing surfaces
	1144	CALL lsm_energy_balance( .FALSE., 3 )
[2299]	1145	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
[4268]	1146
[2696]	1147	!
	1148	!-- At the end, set boundary conditons for potential temperature
[4466]	1149	!-- and humidity after running the land-surface model. This
[2696]	1150	!-- might be important for the nesting, where arrays are transfered.
	1151	CALL lsm_boundary_condition
[2232]	1152
[4268]	1153
[1691]	1154	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
	1155	ENDIF
	1156	!
[4466]	1157	!-- If required, solve the energy balance for urban surfaces and run
[2007]	1158	!-- the material heat model
	1159	IF (urban_surface) THEN
	1160	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
[4268]	1161
[3418]	1162	CALL usm_surface_energy_balance( .FALSE. )
[2007]	1163	IF ( usm_material_model ) THEN
[2696]	1164	CALL usm_green_heat_model
[3418]	1165	CALL usm_material_heat_model ( .FALSE. )
[2007]	1166	ENDIF
[2696]	1167
	1168	!
	1169	!-- At the end, set boundary conditons for potential temperature
[4466]	1170	!-- and humidity after running the urban-surface model. This
[2696]	1171	!-- might be important for the nesting, where arrays are transfered.
	1172	CALL usm_boundary_condition
	1173
[2007]	1174	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
	1175	ENDIF
	1176	!
[1]	1177	!-- Compute the diffusion coefficients
	1178	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
[75]	1179	IF ( .NOT. humidity ) THEN
[3294]	1180	IF ( ocean_mode ) THEN
[2696]	1181	CALL tcm_diffusivities( prho, prho_reference )
[97]	1182	ELSE
[2696]	1183	CALL tcm_diffusivities( pt, pt_reference )
[97]	1184	ENDIF
[1]	1185	ELSE
[2696]	1186	CALL tcm_diffusivities( vpt, pt_reference )
[1]	1187	ENDIF
	1188	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
[4444]	1189
	1190	#if defined( __parallel )
[2696]	1191	!
	1192	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
	1193	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
[4444]	1194	#endif
[1]	1195
	1196	ENDIF
	1197
	1198	ENDDO ! Intermediate step loop
[3634]	1199
[1]	1200	!
[3634]	1201	!-- Will be used at some point by flow_statistics.
[3658]	1202	!$ACC UPDATE &
[3634]	1203	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
	1204	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
	1205	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
	1206	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
	1207	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
	1208	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
	1209	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
	1210	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
	1211	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
	1212	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
[4502]	1213	!$ACC HOST(sums_wsqis_ws_l(nzb:nzt+1,0)) &
[3634]	1214	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
	1215	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
[4502]	1216	!$ACC HOST(sums_wsnis_ws_l(nzb:nzt+1,0)) &
[3634]	1217	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
	1218	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
	1219	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
	1220
	1221	!
[4064]	1222	!-- If required, calculate radiative fluxes and heating rates
	1223	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
	1224
	1225	time_radiation = time_radiation + dt_3d
	1226
	1227	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
	1228
	1229	CALL cpu_log( log_point(50), 'radiation', 'start' )
	1230
	1231	IF ( .NOT. force_radiation_call ) THEN
	1232	time_radiation = time_radiation - dt_radiation
	1233	ENDIF
	1234
	1235	!
	1236	!-- Adjust the current time to the time step of the radiation model.
[4466]	1237	!-- Needed since radiation is pre-calculated and stored only on apparent
[4064]	1238	!-- solar positions
	1239	time_since_reference_point_save = time_since_reference_point
	1240	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
	1241	dt_radiation ), wp ) * dt_radiation
	1242
	1243	CALL radiation_control
	1244
	1245	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
	1246	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
	1247	CALL radiation_interaction
	1248	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
	1249	ENDIF
[4466]	1250
[4064]	1251	!
	1252	!-- Return the current time to its original value
	1253	time_since_reference_point = time_since_reference_point_save
	1254
	1255	CALL cpu_log( log_point(50), 'radiation', 'stop' )
	1256
	1257	ENDIF
	1258	ENDIF
	1259
[4466]	1260
[4064]	1261	!
[4403]	1262	!-- 20200203 (ECC)
	1263	!-- allows for emission update mode in legacy mode as well as on-demand mode
	1264	!-- note that under on-demand mode emission update is no longer restricted to
	1265	!-- an hourly frequency, but whenever the simulation time corresponds to an
	1266	!-- inrement in emission timestamp value
	1267
[3298]	1268	!
[4403]	1269	!-- If required, consider chemical emissions
	1270
	1271	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
	1272
	1273	IF ( emiss_read_legacy_mode ) THEN
	1274	!
	1275	!-- get hourly index and updates emission data when the hour is passed
	1276
	1277	CALL get_date_time( time_since_reference_point, hour=hour )
	1278
	1279	IF ( hour_call_emis /= hour ) THEN
	1280
	1281	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
	1282	hour_call_emis = hour
	1283
	1284	ENDIF
	1285
	1286	ELSE
	1287
	1288	CALL chem_emissions_update_on_demand
	1289
[3298]	1290	ENDIF
[4403]	1291
[2766]	1292	ENDIF
[4403]	1293
	1294
[3864]	1295	!
	1296	!-- If required, consider aerosol emissions for the salsa model
	1297	IF ( salsa ) THEN
	1298	!
	1299	!-- Call emission routine to update emissions if needed
	1300	CALL salsa_emission_update
[3569]	1301
[3864]	1302	ENDIF
[2696]	1303	!
[3469]	1304	!-- If required, calculate indoor temperature, waste heat, heat flux
	1305	!-- through wall, etc.
[3744]	1306	!-- dt_indoor steers the frequency of the indoor model calculations.
	1307	!-- Note, at first timestep indoor model is called, in order to provide
[4466]	1308	!-- a waste heat flux.
[3647]	1309	IF ( indoor_model ) THEN
[3469]	1310
	1311	time_indoor = time_indoor + dt_3d
	1312
[3761]	1313	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
[3469]	1314
	1315	time_indoor = time_indoor - dt_indoor
	1316
	1317	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
	1318	CALL im_main_heatcool
	1319	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
	1320
	1321	ENDIF
	1322	ENDIF
	1323	!
[1]	1324	!-- Increase simulation time and output times
[1111]	1325	nr_timesteps_this_run = nr_timesteps_this_run + 1
[291]	1326	current_timestep_number = current_timestep_number + 1
	1327	simulated_time = simulated_time + dt_3d
	1328	time_since_reference_point = simulated_time - coupling_start_time
[2941]	1329	simulated_time_chr = time_to_string( time_since_reference_point )
[291]	1330
[1957]	1331
[3646]	1332	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
[1]	1333	time_do_av = time_do_av + dt_3d
	1334	ENDIF
[3646]	1335	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
[1]	1336	time_do2d_xy = time_do2d_xy + dt_3d
	1337	ENDIF
[3646]	1338	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
[1]	1339	time_do2d_xz = time_do2d_xz + dt_3d
	1340	ENDIF
[3646]	1341	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
[1]	1342	time_do2d_yz = time_do2d_yz + dt_3d
	1343	ENDIF
[3646]	1344	IF ( time_since_reference_point >= skip_time_do3d ) THEN
[1]	1345	time_do3d = time_do3d + dt_3d
	1346	ENDIF
[410]	1347	DO mid = 1, masks
[3646]	1348	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
[410]	1349	time_domask(mid)= time_domask(mid) + dt_3d
	1350	ENDIF
	1351	ENDDO
[3646]	1352	IF ( time_since_reference_point >= skip_time_dosp ) THEN
[1]	1353	time_dosp = time_dosp + dt_3d
	1354	ENDIF
	1355	time_dots = time_dots + dt_3d
[849]	1356	IF ( .NOT. first_call_lpm ) THEN
[1]	1357	time_dopts = time_dopts + dt_3d
	1358	ENDIF
[3646]	1359	IF ( time_since_reference_point >= skip_time_dopr ) THEN
[1]	1360	time_dopr = time_dopr + dt_3d
	1361	ENDIF
[3467]	1362	time_dopr_listing = time_dopr_listing + dt_3d
[1]	1363	time_run_control = time_run_control + dt_3d
[3347]	1364	!
[3421]	1365	!-- Increment time-counter for surface output
[3648]	1366	IF ( surface_output ) THEN
[3646]	1367	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
[3421]	1368	time_dosurf = time_dosurf + dt_3d
	1369	ENDIF
[3646]	1370	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
[3421]	1371	time_dosurf_av = time_dosurf_av + dt_3d
	1372	ENDIF
	1373	ENDIF
	1374	!
[3988]	1375	!-- Increment time-counter for virtual measurements
	1376	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
	1377	time_virtual_measurement = time_virtual_measurement + dt_3d
	1378	ENDIF
[4466]	1379
[3988]	1380	!
[4420]	1381	!-- Increment time-counter for wind turbine data output
	1382	IF ( wind_turbine ) THEN
	1383	time_wtm = time_wtm + dt_3d
	1384	ENDIF
[4466]	1385
[4420]	1386	!
[3347]	1387	!-- In case of synthetic turbulence generation and parametrized turbulence
[4466]	1388	!-- information, update the time counter and if required, adjust the
[3347]	1389	!-- STG to new atmospheric conditions.
	1390	IF ( use_syn_turb_gen ) THEN
	1391	IF ( parametrize_inflow_turbulence ) THEN
	1392	time_stg_adjust = time_stg_adjust + dt_3d
[3719]	1393	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
	1394	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
	1395	CALL stg_adjust
	1396	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
	1397	ENDIF
[3347]	1398	ENDIF
	1399	time_stg_call = time_stg_call + dt_3d
	1400	ENDIF
[1]	1401
	1402	!
[102]	1403	!-- Data exchange between coupled models
[3761]	1404	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
[102]	1405	time_coupling = time_coupling + dt_3d
[343]	1406
[108]	1407	!
[4466]	1408	!-- In case of model termination initiated by the local model
	1409	!-- (terminate_coupled > 0), the coupler must be skipped because it would
[108]	1410	!-- cause an MPI intercomminucation hang.
[4466]	1411	!-- If necessary, the coupler will be called at the beginning of the
[108]	1412	!-- next restart run.
[3761]	1413	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[102]	1414	CALL surface_coupler
	1415	time_coupling = time_coupling - dt_coupling
	1416	ENDDO
	1417	ENDIF
	1418
	1419	!
[3448]	1420	!-- Biometeorology calculation of stationary thermal indices
[3647]	1421	!-- Todo (kanani): biometeorology needs own time_... treatment.
	1422	!-- It might be that time_do2d_xy differs from time_do3d,
	1423	!-- and then we might get trouble with the biomet output,
	1424	!-- because we can have 2d and/or 3d biomet output!!
[3761]	1425	IF ( biometeorology &
	1426	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
	1427	.OR. &
	1428	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
[3647]	1429	) ) THEN
[3569]	1430	!
	1431	!-- If required, do thermal comfort calculations
	1432	IF ( thermal_comfort ) THEN
	1433	CALL bio_calculate_thermal_index_maps ( .FALSE. )
	1434	ENDIF
	1435	!
	1436	!-- If required, do UV exposure calculations
	1437	IF ( uv_exposure ) THEN
[4126]	1438	CALL bio_calculate_uv_exposure
[3569]	1439	ENDIF
[3448]	1440	ENDIF
	1441
	1442	!
[3684]	1443	!-- Execute alle other module actions routunes
	1444	CALL module_interface_actions( 'after_integration' )
[2817]	1445
	1446	!
[1]	1447	!-- If Galilei transformation is used, determine the distance that the
	1448	!-- model has moved so far
	1449	IF ( galilei_transformation ) THEN
	1450	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
	1451	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
	1452	ENDIF
	1453
	1454	!
	1455	!-- Check, if restart is necessary (because cpu-time is expiring or
	1456	!-- because it is forced by user) and set stop flag
[108]	1457	!-- This call is skipped if the remote model has already initiated a restart.
	1458	IF ( .NOT. terminate_run ) CALL check_for_restart
[1]	1459
	1460	!
	1461	!-- Carry out statistical analysis and output at the requested output times.
	1462	!-- The MOD function is used for calculating the output time counters (like
	1463	!-- time_dopr) in order to regard a possible decrease of the output time
	1464	!-- interval in case of restart runs
	1465
	1466	!
	1467	!-- Set a flag indicating that so far no statistics have been created
	1468	!-- for this time step
	1469	flow_statistics_called = .FALSE.
	1470
	1471	!
	1472	!-- If required, call flow_statistics for averaging in time
[3761]	1473	IF ( averaging_interval_pr /= 0.0_wp .AND. &
	1474	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
[3646]	1475	time_since_reference_point >= skip_time_dopr ) THEN
[1]	1476	time_dopr_av = time_dopr_av + dt_3d
	1477	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
	1478	do_sum = .TRUE.
[3761]	1479	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
[1]	1480	ENDIF
	1481	ENDIF
	1482	IF ( do_sum ) CALL flow_statistics
	1483
	1484	!
[410]	1485	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
[3761]	1486	IF ( averaging_interval /= 0.0_wp .AND. &
	1487	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
	1488	time_since_reference_point >= skip_time_data_output_av ) &
[1]	1489	THEN
	1490	time_do_sla = time_do_sla + dt_3d
	1491	IF ( time_do_sla >= dt_averaging_input ) THEN
[3994]	1492	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1493	CALL doq_calculate
[3994]	1494
[1]	1495	CALL sum_up_3d_data
	1496	average_count_3d = average_count_3d + 1
	1497	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
	1498	ENDIF
	1499	ENDIF
[3421]	1500	!
	1501	!-- Average surface data
[3648]	1502	IF ( surface_output ) THEN
[3761]	1503	IF ( averaging_interval_surf /= 0.0_wp &
	1504	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
[3647]	1505	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
[4466]	1506	IF ( time_dosurf_av >= dt_averaging_input ) THEN
[3648]	1507	CALL surface_data_output_averaging
[3421]	1508	average_count_surf = average_count_surf + 1
	1509	ENDIF
	1510	ENDIF
	1511	ENDIF
[1]	1512
	1513	!
	1514	!-- Calculate spectra for time averaging
[3761]	1515	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
	1516	.AND. time_since_reference_point >= skip_time_dosp ) THEN
[1]	1517	time_dosp_av = time_dosp_av + dt_3d
	1518	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
	1519	CALL calc_spectra
[3761]	1520	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
[1]	1521	ENDIF
	1522	ENDIF
	1523
	1524	!
[1957]	1525	!-- Call flight module and output data
	1526	IF ( virtual_flight ) THEN
	1527	CALL flight_measurement
	1528	CALL data_output_flight
	1529	ENDIF
[3472]	1530	!
	1531	!-- Take virtual measurements
[3988]	1532	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
	1533	.AND. vm_time_start <= time_since_reference_point ) THEN
[3704]	1534	CALL vm_sampling
	1535	CALL vm_data_output
[3988]	1536	time_virtual_measurement = MOD( time_virtual_measurement, &
	1537	MAX( dt_virtual_measurement, dt_3d ) )
[3704]	1538	ENDIF
[4466]	1539
[1957]	1540	!
[4420]	1541	!-- Output wind turbine data
	1542	IF ( wind_turbine .AND. time_wtm >= dt_data_output_wtm ) THEN
	1543	CALL wtm_data_output
	1544	time_wtm = MOD( time_wtm, MAX( dt_data_output_wtm, dt_3d ) )
	1545	ENDIF
[4466]	1546
[4420]	1547	!
[1]	1548	!-- Profile output (ASCII) on file
	1549	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
	1550	CALL print_1d
[3761]	1551	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
[1]	1552	ENDIF
	1553
	1554	!
	1555	!-- Graphic output for PROFIL
[3761]	1556	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
[1]	1557	IF ( dopr_n /= 0 ) CALL data_output_profiles
	1558	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
[1342]	1559	time_dopr_av = 0.0_wp ! due to averaging (see above)
[1]	1560	ENDIF
	1561
	1562	!
	1563	!-- Graphic output for time series
	1564	IF ( time_dots >= dt_dots ) THEN
[48]	1565	CALL data_output_tseries
[1]	1566	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
	1567	ENDIF
	1568
	1569	!
	1570	!-- Output of spectra (formatted for use with PROFIL), in case of no
	1571	!-- time averaging, spectra has to be calculated before
[3761]	1572	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
[1]	1573	IF ( average_count_sp == 0 ) CALL calc_spectra
	1574	CALL data_output_spectra
	1575	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
	1576	ENDIF
	1577
	1578	!
	1579	!-- 2d-data output (cross-sections)
[3761]	1580	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
[3994]	1581	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1582	CALL doq_calculate
[3994]	1583
[1]	1584	CALL data_output_2d( 'xy', 0 )
	1585	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
	1586	ENDIF
[3761]	1587	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
[3994]	1588	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
	1589
[4039]	1590	CALL doq_calculate
[1]	1591	CALL data_output_2d( 'xz', 0 )
	1592	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
	1593	ENDIF
[3761]	1594	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
[3994]	1595	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1596	CALL doq_calculate
[3994]	1597
[1]	1598	CALL data_output_2d( 'yz', 0 )
	1599	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
	1600	ENDIF
	1601
	1602	!
	1603	!-- 3d-data output (volume data)
[3761]	1604	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
[3994]	1605	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1606	CALL doq_calculate
[3994]	1607
[1]	1608	CALL data_output_3d( 0 )
	1609	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
	1610	ENDIF
	1611
	1612	!
[1783]	1613	!-- Masked data output
[410]	1614	DO mid = 1, masks
[3761]	1615	IF ( time_domask(mid) >= dt_domask(mid) &
	1616	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
[3994]	1617	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
[4039]	1618	CALL doq_calculate
[3994]	1619
[4069]	1620	CALL data_output_mask( 0, mid )
[3761]	1621	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
[410]	1622	ENDIF
	1623	ENDDO
	1624
	1625	!
	1626	!-- Output of time-averaged 2d/3d/masked data
[3761]	1627	IF ( time_do_av >= dt_data_output_av &
	1628	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
[1]	1629	CALL average_3d_data
[3742]	1630	!
	1631	!-- Udate thermal comfort indices based on updated averaged input
	1632	IF ( biometeorology .AND. thermal_comfort ) THEN
	1633	CALL bio_calculate_thermal_index_maps ( .TRUE. )
	1634	ENDIF
[1]	1635	CALL data_output_2d( 'xy', 1 )
	1636	CALL data_output_2d( 'xz', 1 )
	1637	CALL data_output_2d( 'yz', 1 )
	1638	CALL data_output_3d( 1 )
[410]	1639	DO mid = 1, masks
[4069]	1640	CALL data_output_mask( 1, mid )
[410]	1641	ENDDO
[1]	1642	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
	1643	ENDIF
[3421]	1644	!
	1645	!-- Output of surface data, instantaneous and averaged data
[3648]	1646	IF ( surface_output ) THEN
[3761]	1647	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
[3648]	1648	CALL surface_data_output( 0 )
[3421]	1649	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
	1650	ENDIF
[3761]	1651	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
[3648]	1652	CALL surface_data_output( 1 )
[3421]	1653	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
	1654	ENDIF
	1655	ENDIF
[1]	1656
	1657	!
	1658	!-- Output of particle time series
[253]	1659	IF ( particle_advection ) THEN
[3761]	1660	IF ( time_dopts >= dt_dopts .OR. &
	1661	( time_since_reference_point >= particle_advection_start .AND. &
[849]	1662	first_call_lpm ) ) THEN
[4017]	1663	CALL lpm_data_output_ptseries
[253]	1664	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
	1665	ENDIF
[1]	1666	ENDIF
	1667
	1668	!
[3719]	1669	!-- If required, set the heat flux for the next time step to a random value
[2232]	1670	IF ( constant_heatflux .AND. random_heatflux ) THEN
[3719]	1671	IF ( surf_def_h(0)%ns >= 1 ) THEN
	1672	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1673	CALL disturb_heatflux( surf_def_h(0) )
	1674	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1675	ENDIF
	1676	IF ( surf_lsm_h%ns >= 1 ) THEN
	1677	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1678	CALL disturb_heatflux( surf_lsm_h )
	1679	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1680	ENDIF
	1681	IF ( surf_usm_h%ns >= 1 ) THEN
	1682	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
	1683	CALL disturb_heatflux( surf_usm_h )
	1684	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
	1685	ENDIF
[2232]	1686	ENDIF
[1]	1687
	1688	!
[3684]	1689	!-- Execute alle other module actions routunes
	1690	CALL module_interface_actions( 'after_timestep' )
[2817]	1691
	1692	!
[1918]	1693	!-- Determine size of next time step. Save timestep dt_3d because it is
	1694	!-- newly calculated in routine timestep, but required further below for
	1695	!-- steering the run control output interval
	1696	dt_3d_old = dt_3d
	1697	CALL timestep
	1698
[4444]	1699	#if defined( __parallel )
[1918]	1700	!
[1925]	1701	!-- Synchronize the timestep in case of nested run.
	1702	IF ( nested_run ) THEN
	1703	!
	1704	!-- Synchronize by unifying the time step.
	1705	!-- Global minimum of all time-steps is used for all.
	1706	CALL pmci_synchronize
	1707	ENDIF
[4444]	1708	#endif
[1925]	1709
	1710	!
[1918]	1711	!-- Computation and output of run control parameters.
	1712	!-- This is also done whenever perturbations have been imposed
[3761]	1713	IF ( time_run_control >= dt_run_control .OR. &
	1714	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
[1918]	1715	THEN
	1716	CALL run_control
	1717	IF ( time_run_control >= dt_run_control ) THEN
[3761]	1718	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
[1918]	1719	ENDIF
	1720	ENDIF
	1721
	1722	!
[1402]	1723	!-- Output elapsed simulated time in form of a progress bar on stdout
	1724	IF ( myid == 0 ) CALL output_progress_bar
	1725
[1]	1726	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
	1727
[667]	1728
[1]	1729	ENDDO ! time loop
[3448]	1730
[3761]	1731	#if defined( _OPENACC )
[3658]	1732	CALL exit_surface_arrays
	1733	#endif
[3634]	1734	!$ACC END DATA
	1735	!$ACC END DATA
	1736	!$ACC END DATA
	1737	!$ACC END DATA
	1738	!$ACC END DATA
	1739	!$ACC END DATA
	1740	!$ACC END DATA
[4472]	1741	!$ACC END DATA
[3634]	1742
[4444]	1743	#if defined( __parallel )
[3347]	1744	!
[4466]	1745	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
[2365]	1746	IF ( vnest_init ) CALL vnest_deallocate
[4444]	1747	#endif
[2365]	1748
[1402]	1749	IF ( myid == 0 ) CALL finish_progress_bar
	1750
[3885]	1751	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
[1384]	1752
[1]	1753	END SUBROUTINE time_integration

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