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source: palm/trunk/SOURCE/time_integration.f90 @ 4670

Last change on this file since 4670 was 4669, checked in by pavelkrc, 4 years ago
Fix multiple issues with radiation call times
Property svn:keywords set to `Id`
File size: 72.5 KB

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1	!> @file time_integration.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
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.
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	!
17	! Copyright 1997-2020 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: time_integration.f90 4669 2020-09-09 13:43:47Z maronga $
27	! - Fix missing call of radiation after spinup
28	! - Fix calculation of force_radiation_call
29	! - Fix calculation of radiation times
30	!
31	! 4668 2020-09-09 13:00:16Z pavelkrc
32	! Improve debug messages during timestepping
33	!
34	! 4581 2020-06-29 08:49:58Z suehring
35	! Omit explicit pressure forcing via geostrophic wind components in case of
36	! mesoscale nesting.
37	!
38	! 4578 2020-06-25 15:43:32Z gronemeier
39	! bugfix: removed unused variables
40	!
41	! 4573 2020-06-24 13:08:47Z oliver.maas
42	! calculate pt(0) incrementally by using dt_3d instead of calculating it absolutely
43	! by using time_since_reference_point, because time_since_reference_point is set
44	! to zero for initializing_actions = 'cyclic_fill'
45	!
46	! 4565 2020-06-15 08:30:38Z oliver.maas
47	! added new surface temperature forcing method for bc_pt_b = 'dirichlet':
48	! surface temperature pt(0) can be linearly increased by pt_surface_heating_rate (in K/h)
49	!
50	! 4564 2020-06-12 14:03:36Z raasch
51	! Vertical nesting method of Huq et al. (2019) removed
52	!
53	! 4521 2020-05-06 11:39:49Z schwenkel
54	! Rename variable
55	!
56	! 4511 2020-04-30 12:20:40Z raasch
57	! chemistry decycling replaced by explicit setting of lateral boundary conditions
58	!
59	! 4508 2020-04-24 13:32:20Z raasch
60	! salsa decycling replaced by explicit setting of lateral boundary conditions
61	!
62	! 4502 2020-04-17 16:14:16Z schwenkel
63	! Implementation of ice microphysics
64	!
65	! 4472 2020-03-24 12:21:00Z Giersch
66	! OPENACC COPYIN directive for ddx and ddy added
67	!
68	! 4466 2020-03-20 16:14:41Z suehring
69	! Add advection fluxes to ACC copyin
70	!
71	! 4457 2020-03-11 14:20:43Z raasch
72	! use statement for exchange horiz added
73	!
74	! 4444 2020-03-05 15:59:50Z raasch
75	! bugfix: cpp-directives for serial mode added
76	!
77	! 4420 2020-02-24 14:13:56Z maronga
78	! Added output control for wind turbine model
79	!
80	! 4403 2020-02-12 13:08:46Z banzhafs
81	! Allowing both existing and on-demand emission read modes
82	!
83	! 4360 2020-01-07 11:25:50Z suehring
84	! Bugfix, hour_call_emis uninitialized at first call of time_integration
85	!
86	! 4346 2019-12-18 11:55:56Z motisi
87	! Introduction of wall_flags_total_0, which currently sets bits based on static
88	! topography information used in wall_flags_static_0
89	!
90	! 4329 2019-12-10 15:46:36Z motisi
91	! Renamed wall_flags_0 to wall_flags_static_0
92	!
93	! 4281 2019-10-29 15:15:39Z schwenkel
94	! Moved boundary conditions to module interface
95	!
96	! 4276 2019-10-28 16:03:29Z schwenkel
97	! Further modularization of lpm code components
98	!
99	! 4275 2019-10-28 15:34:55Z schwenkel
100	! Move call oft lpm to the end of intermediate timestep loop
101	!
102	! 4268 2019-10-17 11:29:38Z schwenkel
103	! Removing module specific boundary conditions an put them into their modules
104	!
105	! 4227 2019-09-10 18:04:34Z gronemeier
106	! implement new palm_date_time_mod
107	!
108	! 4226 2019-09-10 17:03:24Z suehring
109	! Changes in interface for the offline nesting
110	!
111	! 4182 2019-08-22 15:20:23Z scharf
112	! Corrected "Former revisions" section
113	!
114	! 4170 2019-08-19 17:12:31Z gronemeier
115	! copy diss, diss_p, tdiss_m to GPU
116	!
117	! 4144 2019-08-06 09:11:47Z raasch
118	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
119	!
120	! 4126 2019-07-30 11:09:11Z gronemeier
121	! renamed routine to calculate uv exposure
122	!
123	! 4111 2019-07-22 18:16:57Z suehring
124	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
125	!
126	! 4069 2019-07-01 14:05:51Z Giersch
127	! Masked output running index mid has been introduced as a local variable to
128	! avoid runtime error (Loop variable has been modified) in time_integration
129	!
130	! 4064 2019-07-01 05:33:33Z gronemeier
131	! Moved call to radiation module out of intermediate time loop
132	!
133	! 4048 2019-06-21 21:00:21Z knoop
134	! Moved production_e_init call into turbulence_closure_mod
135	!
136	! 4047 2019-06-21 18:58:09Z knoop
137	! Added remainings of swap_timelevel upon its dissolution
138	!
139	! 4043 2019-06-18 16:59:00Z schwenkel
140	! Further LPM modularization
141	!
142	! 4039 2019-06-18 10:32:41Z suehring
143	! Rename subroutines in module for diagnostic quantities
144	!
145	! 4029 2019-06-14 14:04:35Z raasch
146	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
147	! bugfix: decycling of chemistry species after nesting data transfer
148	!
149	! 4022 2019-06-12 11:52:39Z suehring
150	! Call synthetic turbulence generator at last RK3 substep right after boundary
151	! conditions are updated in offline nesting in order to assure that
152	! perturbations are always imposed
153	!
154	! 4017 2019-06-06 12:16:46Z schwenkel
155	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
156	!
157	! 3994 2019-05-22 18:08:09Z suehring
158	! output of turbulence intensity added
159	!
160	! 3988 2019-05-22 11:32:37Z kanani
161	! Implement steerable output interval for virtual measurements
162	!
163	! 3968 2019-05-13 11:04:01Z suehring
164	! replace nspec_out with n_matched_vars
165	!
166	! 3929 2019-04-24 12:52:08Z banzhafs
167	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
168	! chem_boundary_conds_decycle
169	!
170	!
171	! 3885 2019-04-11 11:29:34Z kanani
172	! Changes related to global restructuring of location messages and introduction
173	! of additional debug messages
174	!
175	! 3879 2019-04-08 20:25:23Z knoop
176	! Moved wtm_forces to module_interface_actions
177	!
178	! 3872 2019-04-08 15:03:06Z knoop
179	! Modifications made for salsa:
180	! - Call salsa_emission_update at each time step but do the checks within
181	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
182	! and next_aero_emission_update <= time_since_reference_point ).
183	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
184	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
185	! - Apply nesting for salsa variables
186	! - Removed cpu_log calls speciffic for salsa.
187	!
188	! 3833 2019-03-28 15:04:04Z forkel
189	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
190	!
191	! 3820 2019-03-27 11:53:41Z forkel
192	! renamed do_emiss to emissions_anthropogenic (ecc)
193	!
194	!
195	! 3774 2019-03-04 10:52:49Z moh.hefny
196	! rephrase if statement to avoid unallocated array in case of
197	! nesting_offline is false (crashing during debug mode)
198	!
199	! 3761 2019-02-25 15:31:42Z raasch $
200	! module section re-formatted and openacc required variables moved to separate section,
201	! re-formatting to 100 char line width
202	!
203	! 3745 2019-02-15 18:57:56Z suehring
204	! Call indoor model after first timestep
205	!
206	! 3744 2019-02-15 18:38:58Z suehring
207	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
208	! time_integration to make sure averaged input is updated before calculating.
209	!
210	! 3739 2019-02-13 08:05:17Z dom_dwd_user
211	! Removed everything related to "time_bio_results" as this is never used.
212	!
213	! 3724 2019-02-06 16:28:23Z kanani
214	! Correct double-used log_point_s unit
215	!
216	! 3719 2019-02-06 13:10:18Z kanani
217	! - removed wind_turbine cpu measurement, since same time is measured inside
218	! wtm_forces subroutine as special measures
219	! - moved the numerous vnest cpulog to special measures
220	! - extended radiation cpulog over entire radiation part,
221	! moved radiation_interactions cpulog to special measures
222	! - moved some cpu_log calls to this routine for better overview
223	!
224	! 3705 2019-01-29 19:56:39Z suehring
225	! Data output for virtual measurements added
226	!
227	! 3704 2019-01-29 19:51:41Z suehring
228	! Rename subroutines for surface-data output
229	!
230	! 3647 2019-01-02 14:10:44Z kanani
231	! Bugfix: add time_since_reference_point to IF clause for data_output calls
232	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
233	! Clean up indoor_model and biometeorology model call.
234	!
235	! Revision 1.1 1997/08/11 06:19:04 raasch
236	! Initial revision
237	!
238	!
239	! Description:
240	! ------------
241	!> Integration in time of the model equations, statistical analysis and graphic
242	!> output
243	!------------------------------------------------------------------------------!
244	SUBROUTINE time_integration
245
246
247	USE advec_ws, &
248	ONLY: ws_statistics
249
250	USE arrays_3d, &
251	ONLY: diss, diss_p, dzu, e_p, nc_p, ni_p, nr_p, prho, pt, pt_p, pt_init, q, qc_p, qr_p, &
252	q_init, q_p, qi_p, ref_state, rho_ocean, sa_p, s_p, tend, u, u_p, v, vpt, v_p, w_p
253
254	#if defined( __parallel ) && ! defined( _OPENACC )
255	USE arrays_3d, &
256	ONLY: e, nc, ni, nr, qc, qi, qr, s, w
257	#endif
258
259	USE biometeorology_mod, &
260	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
261	uv_exposure
262
263	USE bulk_cloud_model_mod, &
264	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
265	microphysics_ice_phase, microphysics_morrison, microphysics_seifert
266
267	USE calc_mean_profile_mod, &
268	ONLY: calc_mean_profile
269
270	USE chem_emissions_mod, &
271	ONLY: chem_emissions_setup, chem_emissions_update_on_demand
272
273	USE chem_gasphase_mod, &
274	ONLY: nvar
275
276	USE chem_modules, &
277	ONLY: bc_cs_t_val, chem_species, communicator_chem, emissions_anthropogenic, &
278	emiss_read_legacy_mode, n_matched_vars
279
280	USE control_parameters, &
281	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
282	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
283	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
284	constant_flux_layer, constant_heatflux, create_disturbances, &
285	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
286	current_timestep_number, debug_output_timestep, debug_string, &
287	disturbance_created, disturbance_energy_limit, dist_range, &
288	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
289	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
290	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
291	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
292	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
293	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
294	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
295	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
296	pt_slope_offset, pt_surface_heating_rate, &
297	random_heatflux, rans_tke_e, run_coupled, salsa, &
298	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
299	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
300	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
301	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
302	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
303	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
304	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
305	timestep_count, turbulent_inflow, turbulent_outflow, urban_surface, &
306	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
307	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca
308
309	#if defined( __parallel )
310	USE control_parameters, &
311	ONLY: rans_mode
312	#endif
313
314	USE cpulog, &
315	ONLY: cpu_log, log_point, log_point_s
316
317	USE diagnostic_output_quantities_mod, &
318	ONLY: doq_calculate, &
319	timestep_number_at_prev_calc
320
321	USE exchange_horiz_mod, &
322	ONLY: exchange_horiz
323
324	USE flight_mod, &
325	ONLY: flight_measurement
326
327	USE grid_variables, &
328	ONLY: ddx, ddy
329
330	USE indices, &
331	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
332
333	USE indoor_model_mod, &
334	ONLY: dt_indoor, im_main_heatcool, time_indoor
335
336	USE interfaces
337
338	USE kinds
339
340	USE land_surface_model_mod, &
341	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
342
343	USE lagrangian_particle_model_mod, &
344	ONLY: lpm_data_output_ptseries
345
346	USE lsf_nudging_mod, &
347	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
348
349	USE module_interface, &
350	ONLY: module_interface_actions, module_interface_swap_timelevel, &
351	module_interface_boundary_conditions
352
353	USE multi_agent_system_mod, &
354	ONLY: agents_active, multi_agent_system
355
356	USE nesting_offl_mod, &
357	ONLY: nesting_offl_bc, &
358	nesting_offl_input, &
359	nesting_offl_interpolation_factor, &
360	nesting_offl_mass_conservation
361
362	USE netcdf_data_input_mod, &
363	ONLY: chem_emis, chem_emis_att
364
365	USE ocean_mod, &
366	ONLY: prho_reference
367
368	USE palm_date_time_mod, &
369	ONLY: get_date_time
370
371	USE particle_attributes, &
372	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
373
374	USE pegrid
375
376	#if defined( __parallel )
377	USE pmc_interface, &
378	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
379	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
380	pmci_set_swaplevel
381	#endif
382
383	USE progress_bar, &
384	ONLY: finish_progress_bar, output_progress_bar
385
386	USE prognostic_equations_mod, &
387	ONLY: prognostic_equations_cache, prognostic_equations_vector
388
389	USE radiation_model_mod, &
390	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
391	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
392
393	USE salsa_mod, &
394	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
395	communicator_salsa, nbins_aerosol, ncomponents_mass, ngases_salsa, &
396	salsa_boundary_conditions, salsa_emission_update, salsa_gas, salsa_gases_from_chem, &
397	skip_time_do_salsa
398
399	USE spectra_mod, &
400	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
401
402	USE statistics, &
403	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
404
405
406	USE surface_layer_fluxes_mod, &
407	ONLY: surface_layer_fluxes
408
409	USE surface_data_output_mod, &
410	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
411	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
412	skip_time_dosurf_av, time_dosurf, time_dosurf_av
413
414	USE surface_mod, &
415	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
416
417	USE synthetic_turbulence_generator_mod, &
418	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
419	time_stg_adjust, time_stg_call, use_syn_turb_gen
420
421	USE turbulence_closure_mod, &
422	ONLY: tcm_diffusivities
423
424	USE urban_surface_mod, &
425	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
426	usm_surface_energy_balance, usm_green_heat_model
427
428	USE virtual_measurement_mod, &
429	ONLY: dt_virtual_measurement, &
430	time_virtual_measurement, &
431	vm_data_output, &
432	vm_sampling, &
433	vm_time_start
434
435
436	USE wind_turbine_model_mod, &
437	ONLY: dt_data_output_wtm, time_wtm, wind_turbine, wtm_data_output
438
439	#if defined( _OPENACC )
440	USE arrays_3d, &
441	ONLY: d, dd2zu, ddzu, ddzw, &
442	diss_l_u, &
443	diss_l_v, &
444	diss_l_w, &
445	diss_s_u, &
446	diss_s_v, &
447	diss_s_w, &
448	drho_air, drho_air_zw, dzw, e, &
449	flux_l_u, &
450	flux_l_v, &
451	flux_l_w, &
452	flux_s_u, &
453	flux_s_v, &
454	flux_s_w, &
455	heatflux_output_conversion, &
456	kh, km, momentumflux_output_conversion, nc, ni, nr, p, ptdf_x, ptdf_y, qc, qi, qr, rdf, &
457	rdf_sc, rho_air, rho_air_zw, s, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, &
458	u_stokes_zu, vg, v_init, v_stokes_zu, w, zu
459
460	USE control_parameters, &
461	ONLY: tsc
462
463	USE indices, &
464	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
465
466	USE statistics, &
467	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
468	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
469	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
470	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l, sums_wsqis_ws_l, &
471	sums_wsnis_ws_l
472
473	USE surface_mod, &
474	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
475	#endif
476
477
478	IMPLICIT NONE
479
480	CHARACTER (LEN=9) :: time_to_string !<
481
482	INTEGER(iwp) :: hour !< hour of current time
483	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
484	INTEGER(iwp) :: ib !< index for aerosol size bins
485	INTEGER(iwp) :: ic !< index for aerosol mass bins
486	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
487	INTEGER(iwp) :: ig !< index for salsa gases
488	INTEGER(iwp) :: mid !< masked output running index
489	INTEGER(iwp) :: n !< loop counter for chemistry species
490
491	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
492	!< steering of run control output interval
493	REAL(wp) :: time_since_reference_point_save !< original value of
494	!< time_since_reference_point
495
496
497	!
498	!-- Copy data from arrays_3d
499	!$ACC DATA &
500	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
501	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
502	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
503	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
504	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
505	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
506	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
507	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
508	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
509	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
510
511	!$ACC DATA &
512	!$ACC COPYIN(diss_l_u(0:nz+1,nys:nyn,0), flux_l_u(0:nz+1,nys:nyn,0)) &
513	!$ACC COPYIN(diss_l_v(0:nz+1,nys:nyn,0), flux_l_v(0:nz+1,nys:nyn,0)) &
514	!$ACC COPYIN(diss_l_w(0:nz+1,nys:nyn,0), flux_l_w(0:nz+1,nys:nyn,0)) &
515	!$ACC COPYIN(diss_s_u(0:nz+1,0), flux_s_u(0:nz+1,0)) &
516	!$ACC COPYIN(diss_s_v(0:nz+1,0), flux_s_v(0:nz+1,0)) &
517	!$ACC COPYIN(diss_s_w(0:nz+1,0), flux_s_w(0:nz+1,0)) &
518	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
519	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
520	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
521	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
522	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
523	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
524	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
525	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
526	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
527	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
528	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
529	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
530	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
531
532	!$ACC DATA &
533	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
534	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
535	!$ACC COPYIN(zu(nzb:nzt+1)) &
536	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
537	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
538	!$ACC COPYIN(ddzw(1:nzt+1)) &
539	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
540	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
541	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
542	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
543	!$ACC COPYIN(ref_state(0:nz+1)) &
544	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
545	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
546	!$ACC COPYIN(pt_init(0:nz+1)) &
547	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
548
549	!
550	!-- Copy data from control_parameters
551	!$ACC DATA &
552	!$ACC COPYIN(tsc(1:5))
553
554	!
555	!-- Copy data from grid_variables
556	!$ACC DATA &
557	!$ACC COPYIN(ddx, ddy)
558
559	!
560	!-- Copy data from indices
561	!$ACC DATA &
562	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
563	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
564	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
565
566	!
567	!-- Copy data from surface_mod
568	!$ACC DATA &
569	!$ACC COPYIN(bc_h(0:1)) &
570	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
571	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
572	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
573	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
574	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
575	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
576
577	!
578	!-- Copy data from statistics
579	!$ACC DATA &
580	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
581	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
582	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
583	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
584	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
585	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
586	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
587	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
588	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
589	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
590	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
591	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
592	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
593	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
594	!$ACC COPY(sums_wsqis_ws_l(nzb:nzt+1,0)) &
595	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
596	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
597	!$ACC COPY(sums_wsnis_ws_l(nzb:nzt+1,0)) &
598	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
599	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
600	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
601
602	!
603	!-- Next statement is to avoid compiler warnings about unused variables. Please
604	!-- remove in case that you are using them. ddx and ddy need to be defined in
605	!-- time_integration because of ACC COPYIN directive.
606	ddx = ddx
607	ddy = ddy
608
609	#if defined( _OPENACC )
610	CALL enter_surface_arrays
611	#endif
612
613	!
614	!-- At beginning determine the first time step
615	CALL timestep
616
617	#if defined( __parallel )
618	!
619	!-- Synchronize the timestep in case of nested run.
620	IF ( nested_run ) THEN
621	!
622	!-- Synchronization by unifying the time step.
623	!-- Global minimum of all time-steps is used for all.
624	CALL pmci_synchronize
625	ENDIF
626	#endif
627
628	!
629	!-- Determine and print out the run control quantities before the first time
630	!-- step of this run. For the initial run, some statistics (e.g. divergence)
631	!-- need to be determined first --> CALL flow_statistics at the beginning of
632	!-- run_control
633	CALL run_control
634	!
635	!-- Data exchange between coupled models in case that a call has been omitted
636	!-- at the end of the previous run of a job chain.
637	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN
638	!
639	!-- In case of model termination initiated by the local model the coupler
640	!-- must not be called because this would again cause an MPI hang.
641	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
642	CALL surface_coupler
643	time_coupling = time_coupling - dt_coupling
644	ENDDO
645	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
646	time_coupling = time_since_reference_point
647	ENDIF
648	ENDIF
649
650	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
651
652	!
653	!-- Start of the time loop
654	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
655
656	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
657
658	IF ( debug_output_timestep ) THEN
659	WRITE( debug_string, * ) 'time_integration', simulated_time
660	CALL debug_message( debug_string, 'start' )
661	ENDIF
662
663	!
664	!-- Determine ug, vg and w_subs in dependence on data from external file
665	!-- LSF_DATA
666	IF ( large_scale_forcing .AND. lsf_vert ) THEN
667	CALL ls_forcing_vert ( simulated_time )
668	sums_ls_l = 0.0_wp
669	ENDIF
670
671	!
672	!-- Set pt_init and q_init to the current profiles taken from
673	!-- NUDGING_DATA
674	IF ( nudging ) THEN
675	CALL nudge_ref ( simulated_time )
676	!
677	!-- Store temperature gradient at the top boundary for possible Neumann
678	!-- boundary condition
679	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
680	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
681	IF ( air_chemistry ) THEN
682	DO n = 1, nvar
683	bc_cs_t_val = ( chem_species(n)%conc_pr_init(nzt+1) &
684	- chem_species(n)%conc_pr_init(nzt) ) &
685	/ dzu(nzt+1)
686	ENDDO
687	ENDIF
688	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
689	DO ib = 1, nbins_aerosol
690	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
691	dzu(nzt+1)
692	DO ic = 1, ncomponents_mass
693	icc = ( ic - 1 ) * nbins_aerosol + ib
694	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
695	dzu(nzt+1)
696	ENDDO
697	ENDDO
698	IF ( .NOT. salsa_gases_from_chem ) THEN
699	DO ig = 1, ngases_salsa
700	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
701	dzu(nzt+1)
702	ENDDO
703	ENDIF
704	ENDIF
705	ENDIF
706	!
707	!-- Input of boundary data.
708	IF ( nesting_offline ) CALL nesting_offl_input
709	!
710	!-- Execute all other module actions routines
711	CALL module_interface_actions( 'before_timestep' )
712
713	!
714	!-- Start of intermediate step loop
715	intermediate_timestep_count = 0
716	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
717
718	intermediate_timestep_count = intermediate_timestep_count + 1
719
720	!
721	!-- Set the steering factors for the prognostic equations which depend
722	!-- on the timestep scheme
723	CALL timestep_scheme_steering
724
725	!
726	!-- Calculate those variables needed in the tendency terms which need
727	!-- global communication
728	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
729	THEN
730	!
731	!-- Horizontally averaged profiles to be used as reference state in
732	!-- buoyancy terms (WARNING: only the respective last call of
733	!-- calc_mean_profile defines the reference state!)
734	IF ( .NOT. neutral ) THEN
735	CALL calc_mean_profile( pt, 4 )
736	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
737	ENDIF
738	IF ( ocean_mode ) THEN
739	CALL calc_mean_profile( rho_ocean, 64 )
740	ref_state(:) = hom(:,1,64,0)
741	ENDIF
742	IF ( humidity ) THEN
743	CALL calc_mean_profile( vpt, 44 )
744	ref_state(:) = hom(:,1,44,0)
745	ENDIF
746	!
747	!-- Assure that ref_state does not become zero at any level
748	!-- ( might be the case if a vertical level is completely occupied
749	!-- with topography ).
750	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
751	ENDIF
752
753	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
754	THEN
755	CALL ws_statistics
756	ENDIF
757	!
758	!-- In case of nudging calculate current nudging time scale and horizontal
759	!-- means of u, v, pt and q
760	IF ( nudging ) THEN
761	CALL calc_tnudge( simulated_time )
762	CALL calc_mean_profile( u, 1 )
763	CALL calc_mean_profile( v, 2 )
764	CALL calc_mean_profile( pt, 4 )
765	CALL calc_mean_profile( q, 41 )
766	ENDIF
767	!
768	!-- Execute all other module actions routunes
769	CALL module_interface_actions( 'before_prognostic_equations' )
770	!
771	!-- Solve the prognostic equations. A fast cache optimized version with
772	!-- only one single loop is used in case of Piascek-Williams advection
773	!-- scheme. NEC vector machines use a different version, because
774	!-- in the other versions a good vectorization is prohibited due to
775	!-- inlining problems.
776	IF ( loop_optimization == 'cache' ) THEN
777	CALL prognostic_equations_cache
778	ELSEIF ( loop_optimization == 'vector' ) THEN
779	CALL prognostic_equations_vector
780	ENDIF
781
782	!
783	!-- Movement of agents in multi agent system
784	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
785	time_since_reference_point <= multi_agent_system_end .AND. &
786	intermediate_timestep_count == 1 ) &
787	THEN
788	CALL multi_agent_system
789	first_call_mas = .FALSE.
790	ENDIF
791
792	!
793	!-- Exchange of ghost points (lateral boundary conditions)
794	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
795
796	CALL exchange_horiz( u_p, nbgp )
797	CALL exchange_horiz( v_p, nbgp )
798	CALL exchange_horiz( w_p, nbgp )
799	CALL exchange_horiz( pt_p, nbgp )
800	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
801	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
802	.OR. use_sgs_for_particles ) THEN
803	IF ( rans_tke_e ) THEN
804	CALL exchange_horiz( diss_p, nbgp )
805	ELSE
806	CALL exchange_horiz( diss, nbgp )
807	ENDIF
808	ENDIF
809	IF ( ocean_mode ) THEN
810	CALL exchange_horiz( sa_p, nbgp )
811	CALL exchange_horiz( rho_ocean, nbgp )
812	CALL exchange_horiz( prho, nbgp )
813	ENDIF
814	IF ( humidity ) THEN
815	CALL exchange_horiz( q_p, nbgp )
816	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
817	CALL exchange_horiz( qc_p, nbgp )
818	CALL exchange_horiz( nc_p, nbgp )
819	ENDIF
820	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
821	CALL exchange_horiz( qr_p, nbgp )
822	CALL exchange_horiz( nr_p, nbgp )
823	ENDIF
824	IF ( bulk_cloud_model .AND. microphysics_ice_phase ) THEN
825	CALL exchange_horiz( qi_p, nbgp )
826	CALL exchange_horiz( ni_p, nbgp )
827	ENDIF
828	ENDIF
829	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
830	IF ( air_chemistry ) THEN
831	DO n = 1, nvar
832	CALL exchange_horiz( chem_species(n)%conc_p, nbgp, &
833	alternative_communicator = communicator_chem )
834	ENDDO
835	ENDIF
836
837	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
838	DO ib = 1, nbins_aerosol
839	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp, &
840	alternative_communicator = communicator_salsa )
841	DO ic = 1, ncomponents_mass
842	icc = ( ic - 1 ) * nbins_aerosol + ib
843	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp, &
844	alternative_communicator = communicator_salsa )
845	ENDDO
846	ENDDO
847	IF ( .NOT. salsa_gases_from_chem ) THEN
848	DO ig = 1, ngases_salsa
849	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp, &
850	alternative_communicator = communicator_salsa )
851	ENDDO
852	ENDIF
853	ENDIF
854
855	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
856
857	!
858	!-- Boundary conditions for the prognostic quantities (except of the
859	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
860	!-- boundary conditions for module-specific variables
861	CALL module_interface_boundary_conditions
862
863	!
864	!-- Incrementing timestep counter
865	timestep_count = timestep_count + 1
866
867	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
868	!
869	!-- Set the swap level for all modules
870	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
871
872	#if defined( __parallel )
873	!
874	!-- Set the swap level for steering the pmc data transfer
875	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
876	#endif
877
878	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
879
880	#if defined( __parallel )
881	IF ( nested_run ) THEN
882
883	CALL cpu_log( log_point(60), 'nesting', 'start' )
884	!
885	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
886	!-- and pmci_child_datatrans are called inside the wrapper
887	!-- subroutine pmci_datatrans according to the control parameters
888	!-- nesting_mode and nesting_datatransfer_mode.
889	!-- TO_DO: why is nesting_mode given as a parameter here?
890	CALL pmci_datatrans( nesting_mode )
891
892	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
893
894	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
895	!
896	!-- Exchange_horiz is needed for all parent-domains after the
897	!-- anterpolation
898	CALL exchange_horiz( u, nbgp )
899	CALL exchange_horiz( v, nbgp )
900	CALL exchange_horiz( w, nbgp )
901	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
902
903	IF ( humidity ) THEN
904
905	CALL exchange_horiz( q, nbgp )
906
907	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
908	CALL exchange_horiz( qc, nbgp )
909	CALL exchange_horiz( nc, nbgp )
910	ENDIF
911	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
912	CALL exchange_horiz( qr, nbgp )
913	CALL exchange_horiz( nr, nbgp )
914	ENDIF
915	IF ( bulk_cloud_model .AND. microphysics_ice_phase ) THEN
916	CALL exchange_horiz( qi, nbgp )
917	CALL exchange_horiz( ni, nbgp )
918	ENDIF
919
920	ENDIF
921
922	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
923
924	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
925
926	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
927	CALL exchange_horiz( diss, nbgp )
928	ENDIF
929
930	IF ( air_chemistry ) THEN
931	DO n = 1, nvar
932	CALL exchange_horiz( chem_species(n)%conc, nbgp, &
933	alternative_communicator = communicator_chem )
934	ENDDO
935	ENDIF
936
937	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
938	DO ib = 1, nbins_aerosol
939	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp, &
940	alternative_communicator = communicator_salsa )
941	DO ic = 1, ncomponents_mass
942	icc = ( ic - 1 ) * nbins_aerosol + ib
943	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp, &
944	alternative_communicator = communicator_salsa )
945	ENDDO
946	ENDDO
947	IF ( .NOT. salsa_gases_from_chem ) THEN
948	DO ig = 1, ngases_salsa
949	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp, &
950	alternative_communicator = communicator_salsa )
951	ENDDO
952	ENDIF
953	ENDIF
954	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
955
956	ENDIF
957
958	!
959	!-- Set boundary conditions again after interpolation and anterpolation.
960	CALL pmci_boundary_conds
961
962	CALL cpu_log( log_point(60), 'nesting', 'stop' )
963
964	ENDIF
965	#endif
966
967	!
968	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
969	!-- when a sloping surface is used
970	IF ( sloping_surface ) THEN
971	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
972	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
973	ENDIF
974
975	!
976	!-- Increase temperature pt(0) according to pt_surface_heating_rate (convert from K/h to K/s)
977	IF ( pt_surface_heating_rate /= 0.0_wp .AND. intermediate_timestep_count == 1 ) THEN
978	pt(0,:,:) = pt(0,:,:) + dt_3d * pt_surface_heating_rate / 3600.0_wp
979	ENDIF
980
981	!
982	!-- Impose a turbulent inflow using the recycling method
983	IF ( turbulent_inflow ) CALL inflow_turbulence
984
985	!
986	!-- Set values at outflow boundary using the special outflow condition
987	IF ( turbulent_outflow ) CALL outflow_turbulence
988
989	!
990	!-- Impose a random perturbation on the horizontal velocity field
991	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
992	intermediate_timestep_count == intermediate_timestep_count_max ) &
993	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
994	THEN
995	time_disturb = time_disturb + dt_3d
996	IF ( time_disturb >= dt_disturb ) THEN
997	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
998	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
999	CALL disturb_field( 'u', tend, u )
1000	CALL disturb_field( 'v', tend, v )
1001	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
1002	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
1003	THEN
1004	!
1005	!-- Runs with a non-cyclic lateral wall need perturbations
1006	!-- near the inflow throughout the whole simulation
1007	dist_range = 1
1008	CALL disturb_field( 'u', tend, u )
1009	CALL disturb_field( 'v', tend, v )
1010	dist_range = 0
1011	ENDIF
1012	time_disturb = time_disturb - dt_disturb
1013	ENDIF
1014	ENDIF
1015
1016	!
1017	!-- Map forcing data derived from larger scale model onto domain
1018	!-- boundaries. Further, update geostrophic wind components.
1019	IF ( nesting_offline .AND. intermediate_timestep_count == &
1020	intermediate_timestep_count_max ) THEN
1021	!-- Determine interpolation factor before boundary conditions and geostrophic wind
1022	!-- is updated.
1023	CALL nesting_offl_interpolation_factor
1024	CALL nesting_offl_bc
1025	! CALL nesting_offl_geostrophic_wind
1026	ENDIF
1027	!
1028	!-- Impose a turbulent inflow using synthetic generated turbulence.
1029	IF ( use_syn_turb_gen .AND. &
1030	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
1031	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1032	CALL stg_main
1033	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1034	ENDIF
1035	!
1036	!-- Ensure mass conservation. This need to be done after imposing
1037	!-- synthetic turbulence and top boundary condition for pressure is set to
1038	!-- Neumann conditions.
1039	!-- Is this also required in case of Dirichlet?
1040	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
1041	!
1042	!-- Reduce the velocity divergence via the equation for perturbation
1043	!-- pressure.
1044	IF ( intermediate_timestep_count == 1 .OR. call_psolver_at_all_substeps ) THEN
1045
1046	#if defined( __parallel )
1047	!
1048	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
1049	IF ( child_domain ) THEN
1050	IF ( nesting_mode == 'vertical' ) THEN
1051	CALL pmci_ensure_nest_mass_conservation_vertical
1052	ELSE
1053	CALL pmci_ensure_nest_mass_conservation
1054	ENDIF
1055	ENDIF
1056	#endif
1057	CALL pres
1058
1059	ENDIF
1060	!
1061	!-- Particle transport/physics with the Lagrangian particle model
1062	!-- (only once during intermediate steps, because it uses an Euler-step)
1063	!-- ### particle model should be moved before prognostic_equations, in order
1064	!-- to regard droplet interactions directly
1065
1066	CALL module_interface_actions( 'after_pressure_solver' )
1067	!
1068	!-- Interaction of droplets with temperature and mixing ratio.
1069	!-- Droplet condensation and evaporation is calculated within
1070	!-- advec_particles.
1071	!
1072	!-- If required, compute liquid water content
1073	IF ( bulk_cloud_model ) THEN
1074	CALL calc_liquid_water_content
1075	ENDIF
1076	!
1077	!-- If required, compute virtual potential temperature
1078	IF ( humidity ) THEN
1079	CALL compute_vpt
1080	ENDIF
1081
1082	!
1083	!-- Compute the diffusion quantities
1084	IF ( .NOT. constant_diffusion ) THEN
1085
1086	!
1087	!-- Determine surface fluxes shf and qsws and surface values
1088	!-- pt_surface and q_surface in dependence on data from external
1089	!-- file LSF_DATA respectively
1090	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
1091	intermediate_timestep_count == intermediate_timestep_count_max ) &
1092	THEN
1093	CALL ls_forcing_surf( simulated_time )
1094	ENDIF
1095
1096	!
1097	!-- First the vertical (and horizontal) fluxes in the surface
1098	!-- (constant flux) layer are computed
1099	IF ( constant_flux_layer ) THEN
1100	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
1101	CALL surface_layer_fluxes
1102	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
1103	ENDIF
1104	!
1105	!-- If required, solve the energy balance for the surface and run soil
1106	!-- model. Call for horizontal as well as vertical surfaces
1107	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
1108
1109	CALL cpu_log( log_point(54), 'land_surface', 'start' )
1110	!
1111	!-- Call for horizontal upward-facing surfaces
1112	CALL lsm_energy_balance( .TRUE., -1 )
1113	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
1114	!
1115	!-- Call for northward-facing surfaces
1116	CALL lsm_energy_balance( .FALSE., 0 )
1117	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
1118	!
1119	!-- Call for southward-facing surfaces
1120	CALL lsm_energy_balance( .FALSE., 1 )
1121	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
1122	!
1123	!-- Call for eastward-facing surfaces
1124	CALL lsm_energy_balance( .FALSE., 2 )
1125	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
1126	!
1127	!-- Call for westward-facing surfaces
1128	CALL lsm_energy_balance( .FALSE., 3 )
1129	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
1130
1131	!
1132	!-- At the end, set boundary conditons for potential temperature
1133	!-- and humidity after running the land-surface model. This
1134	!-- might be important for the nesting, where arrays are transfered.
1135	CALL lsm_boundary_condition
1136
1137
1138	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
1139	ENDIF
1140	!
1141	!-- If required, solve the energy balance for urban surfaces and run
1142	!-- the material heat model
1143	IF (urban_surface) THEN
1144	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
1145
1146	CALL usm_surface_energy_balance( .FALSE. )
1147	IF ( usm_material_model ) THEN
1148	CALL usm_green_heat_model
1149	CALL usm_material_heat_model ( .FALSE. )
1150	ENDIF
1151
1152	!
1153	!-- At the end, set boundary conditons for potential temperature
1154	!-- and humidity after running the urban-surface model. This
1155	!-- might be important for the nesting, where arrays are transfered.
1156	CALL usm_boundary_condition
1157
1158	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
1159	ENDIF
1160	!
1161	!-- Compute the diffusion coefficients
1162	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
1163	IF ( .NOT. humidity ) THEN
1164	IF ( ocean_mode ) THEN
1165	CALL tcm_diffusivities( prho, prho_reference )
1166	ELSE
1167	CALL tcm_diffusivities( pt, pt_reference )
1168	ENDIF
1169	ELSE
1170	CALL tcm_diffusivities( vpt, pt_reference )
1171	ENDIF
1172	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
1173
1174	ENDIF
1175
1176	ENDDO ! Intermediate step loop
1177
1178	!
1179	!-- Will be used at some point by flow_statistics.
1180	!$ACC UPDATE &
1181	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
1182	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
1183	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
1184	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
1185	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
1186	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
1187	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
1188	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
1189	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
1190	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
1191	!$ACC HOST(sums_wsqis_ws_l(nzb:nzt+1,0)) &
1192	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
1193	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
1194	!$ACC HOST(sums_wsnis_ws_l(nzb:nzt+1,0)) &
1195	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
1196	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
1197	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
1198
1199	!
1200	!-- If required, calculate radiative fluxes and heating rates
1201	IF ( radiation .AND. time_since_reference_point >= skip_time_do_radiation ) THEN
1202
1203	time_radiation = time_radiation + dt_3d
1204
1205	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
1206
1207	CALL cpu_log( log_point(50), 'radiation', 'start' )
1208
1209	IF ( time_radiation >= dt_radiation ) THEN
1210	time_radiation = time_radiation - dt_radiation
1211	ENDIF
1212
1213	!
1214	!-- Adjust the current time to the time step of the radiation model.
1215	!-- Needed since radiation is pre-calculated and stored only on apparent
1216	!-- solar positions
1217	time_since_reference_point_save = time_since_reference_point
1218	time_since_reference_point = time_since_reference_point - &
1219	MODULO(time_since_reference_point, dt_radiation)
1220
1221	CALL radiation_control
1222
1223	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
1224	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
1225	CALL radiation_interaction
1226	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
1227	ENDIF
1228
1229	!
1230	!-- Return the current time to its original value
1231	time_since_reference_point = time_since_reference_point_save
1232	!
1233	!-- Reset forcing of radiation call
1234	force_radiation_call = .FALSE.
1235
1236	CALL cpu_log( log_point(50), 'radiation', 'stop' )
1237
1238	ENDIF
1239	ENDIF
1240
1241
1242	!
1243	!-- 20200203 (ECC)
1244	!-- allows for emission update mode in legacy mode as well as on-demand mode
1245	!-- note that under on-demand mode emission update is no longer restricted to
1246	!-- an hourly frequency, but whenever the simulation time corresponds to an
1247	!-- inrement in emission timestamp value
1248
1249	!
1250	!-- If required, consider chemical emissions
1251
1252	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
1253
1254	IF ( emiss_read_legacy_mode ) THEN
1255	!
1256	!-- get hourly index and updates emission data when the hour is passed
1257
1258	CALL get_date_time( time_since_reference_point, hour=hour )
1259
1260	IF ( hour_call_emis /= hour ) THEN
1261
1262	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
1263	hour_call_emis = hour
1264
1265	ENDIF
1266
1267	ELSE
1268
1269	CALL chem_emissions_update_on_demand
1270
1271	ENDIF
1272
1273	ENDIF
1274
1275
1276	!
1277	!-- If required, consider aerosol emissions for the salsa model
1278	IF ( salsa ) THEN
1279	!
1280	!-- Call emission routine to update emissions if needed
1281	CALL salsa_emission_update
1282
1283	ENDIF
1284	!
1285	!-- If required, calculate indoor temperature, waste heat, heat flux
1286	!-- through wall, etc.
1287	!-- dt_indoor steers the frequency of the indoor model calculations.
1288	!-- Note, at first timestep indoor model is called, in order to provide
1289	!-- a waste heat flux.
1290	IF ( indoor_model ) THEN
1291
1292	time_indoor = time_indoor + dt_3d
1293
1294	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
1295
1296	time_indoor = time_indoor - dt_indoor
1297
1298	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
1299	CALL im_main_heatcool
1300	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
1301
1302	ENDIF
1303	ENDIF
1304	!
1305	!-- Increase simulation time and output times
1306	nr_timesteps_this_run = nr_timesteps_this_run + 1
1307	current_timestep_number = current_timestep_number + 1
1308	simulated_time = simulated_time + dt_3d
1309	time_since_reference_point = simulated_time - coupling_start_time
1310	simulated_time_chr = time_to_string( time_since_reference_point )
1311
1312
1313	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
1314	time_do_av = time_do_av + dt_3d
1315	ENDIF
1316	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
1317	time_do2d_xy = time_do2d_xy + dt_3d
1318	ENDIF
1319	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
1320	time_do2d_xz = time_do2d_xz + dt_3d
1321	ENDIF
1322	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
1323	time_do2d_yz = time_do2d_yz + dt_3d
1324	ENDIF
1325	IF ( time_since_reference_point >= skip_time_do3d ) THEN
1326	time_do3d = time_do3d + dt_3d
1327	ENDIF
1328	DO mid = 1, masks
1329	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
1330	time_domask(mid)= time_domask(mid) + dt_3d
1331	ENDIF
1332	ENDDO
1333	IF ( time_since_reference_point >= skip_time_dosp ) THEN
1334	time_dosp = time_dosp + dt_3d
1335	ENDIF
1336	time_dots = time_dots + dt_3d
1337	IF ( .NOT. first_call_lpm ) THEN
1338	time_dopts = time_dopts + dt_3d
1339	ENDIF
1340	IF ( time_since_reference_point >= skip_time_dopr ) THEN
1341	time_dopr = time_dopr + dt_3d
1342	ENDIF
1343	time_dopr_listing = time_dopr_listing + dt_3d
1344	time_run_control = time_run_control + dt_3d
1345	!
1346	!-- Increment time-counter for surface output
1347	IF ( surface_output ) THEN
1348	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
1349	time_dosurf = time_dosurf + dt_3d
1350	ENDIF
1351	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
1352	time_dosurf_av = time_dosurf_av + dt_3d
1353	ENDIF
1354	ENDIF
1355	!
1356	!-- Increment time-counter for virtual measurements
1357	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
1358	time_virtual_measurement = time_virtual_measurement + dt_3d
1359	ENDIF
1360
1361	!
1362	!-- Increment time-counter for wind turbine data output
1363	IF ( wind_turbine ) THEN
1364	time_wtm = time_wtm + dt_3d
1365	ENDIF
1366
1367	!
1368	!-- In case of synthetic turbulence generation and parametrized turbulence
1369	!-- information, update the time counter and if required, adjust the
1370	!-- STG to new atmospheric conditions.
1371	IF ( use_syn_turb_gen ) THEN
1372	IF ( parametrize_inflow_turbulence ) THEN
1373	time_stg_adjust = time_stg_adjust + dt_3d
1374	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
1375	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1376	CALL stg_adjust
1377	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1378	ENDIF
1379	ENDIF
1380	time_stg_call = time_stg_call + dt_3d
1381	ENDIF
1382
1383	!
1384	!-- Data exchange between coupled models
1385	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN
1386	time_coupling = time_coupling + dt_3d
1387
1388	!
1389	!-- In case of model termination initiated by the local model
1390	!-- (terminate_coupled > 0), the coupler must be skipped because it would
1391	!-- cause an MPI intercomminucation hang.
1392	!-- If necessary, the coupler will be called at the beginning of the
1393	!-- next restart run.
1394	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
1395	CALL surface_coupler
1396	time_coupling = time_coupling - dt_coupling
1397	ENDDO
1398	ENDIF
1399
1400	!
1401	!-- Biometeorology calculation of stationary thermal indices
1402	!-- Todo (kanani): biometeorology needs own time_... treatment.
1403	!-- It might be that time_do2d_xy differs from time_do3d,
1404	!-- and then we might get trouble with the biomet output,
1405	!-- because we can have 2d and/or 3d biomet output!!
1406	IF ( biometeorology &
1407	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
1408	.OR. &
1409	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
1410	) ) THEN
1411	!
1412	!-- If required, do thermal comfort calculations
1413	IF ( thermal_comfort ) THEN
1414	CALL bio_calculate_thermal_index_maps ( .FALSE. )
1415	ENDIF
1416	!
1417	!-- If required, do UV exposure calculations
1418	IF ( uv_exposure ) THEN
1419	CALL bio_calculate_uv_exposure
1420	ENDIF
1421	ENDIF
1422
1423	!
1424	!-- Execute alle other module actions routunes
1425	CALL module_interface_actions( 'after_integration' )
1426
1427	!
1428	!-- If Galilei transformation is used, determine the distance that the
1429	!-- model has moved so far
1430	IF ( galilei_transformation ) THEN
1431	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
1432	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
1433	ENDIF
1434
1435	!
1436	!-- Check, if restart is necessary (because cpu-time is expiring or
1437	!-- because it is forced by user) and set stop flag
1438	!-- This call is skipped if the remote model has already initiated a restart.
1439	IF ( .NOT. terminate_run ) CALL check_for_restart
1440
1441	!
1442	!-- Carry out statistical analysis and output at the requested output times.
1443	!-- The MOD function is used for calculating the output time counters (like
1444	!-- time_dopr) in order to regard a possible decrease of the output time
1445	!-- interval in case of restart runs
1446
1447	!
1448	!-- Set a flag indicating that so far no statistics have been created
1449	!-- for this time step
1450	flow_statistics_called = .FALSE.
1451
1452	!
1453	!-- If required, call flow_statistics for averaging in time
1454	IF ( averaging_interval_pr /= 0.0_wp .AND. &
1455	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
1456	time_since_reference_point >= skip_time_dopr ) THEN
1457	time_dopr_av = time_dopr_av + dt_3d
1458	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
1459	do_sum = .TRUE.
1460	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
1461	ENDIF
1462	ENDIF
1463	IF ( do_sum ) CALL flow_statistics
1464
1465	!
1466	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
1467	IF ( averaging_interval /= 0.0_wp .AND. &
1468	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
1469	time_since_reference_point >= skip_time_data_output_av ) &
1470	THEN
1471	time_do_sla = time_do_sla + dt_3d
1472	IF ( time_do_sla >= dt_averaging_input ) THEN
1473	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1474	CALL doq_calculate
1475
1476	CALL sum_up_3d_data
1477	average_count_3d = average_count_3d + 1
1478	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
1479	ENDIF
1480	ENDIF
1481	!
1482	!-- Average surface data
1483	IF ( surface_output ) THEN
1484	IF ( averaging_interval_surf /= 0.0_wp &
1485	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
1486	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1487	IF ( time_dosurf_av >= dt_averaging_input ) THEN
1488	CALL surface_data_output_averaging
1489	average_count_surf = average_count_surf + 1
1490	ENDIF
1491	ENDIF
1492	ENDIF
1493
1494	!
1495	!-- Calculate spectra for time averaging
1496	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
1497	.AND. time_since_reference_point >= skip_time_dosp ) THEN
1498	time_dosp_av = time_dosp_av + dt_3d
1499	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
1500	CALL calc_spectra
1501	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
1502	ENDIF
1503	ENDIF
1504
1505	!
1506	!-- Call flight module and output data
1507	IF ( virtual_flight ) THEN
1508	CALL flight_measurement
1509	CALL data_output_flight
1510	ENDIF
1511	!
1512	!-- Take virtual measurements
1513	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
1514	.AND. vm_time_start <= time_since_reference_point ) THEN
1515	CALL vm_sampling
1516	CALL vm_data_output
1517	time_virtual_measurement = MOD( time_virtual_measurement, &
1518	MAX( dt_virtual_measurement, dt_3d ) )
1519	ENDIF
1520
1521	!
1522	!-- Output wind turbine data
1523	IF ( wind_turbine .AND. time_wtm >= dt_data_output_wtm ) THEN
1524	CALL wtm_data_output
1525	time_wtm = MOD( time_wtm, MAX( dt_data_output_wtm, dt_3d ) )
1526	ENDIF
1527
1528	!
1529	!-- Profile output (ASCII) on file
1530	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
1531	CALL print_1d
1532	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
1533	ENDIF
1534
1535	!
1536	!-- Graphic output for PROFIL
1537	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
1538	IF ( dopr_n /= 0 ) CALL data_output_profiles
1539	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
1540	time_dopr_av = 0.0_wp ! due to averaging (see above)
1541	ENDIF
1542
1543	!
1544	!-- Graphic output for time series
1545	IF ( time_dots >= dt_dots ) THEN
1546	CALL data_output_tseries
1547	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
1548	ENDIF
1549
1550	!
1551	!-- Output of spectra (formatted for use with PROFIL), in case of no
1552	!-- time averaging, spectra has to be calculated before
1553	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
1554	IF ( average_count_sp == 0 ) CALL calc_spectra
1555	CALL data_output_spectra
1556	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
1557	ENDIF
1558
1559	!
1560	!-- 2d-data output (cross-sections)
1561	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
1562	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1563	CALL doq_calculate
1564
1565	CALL data_output_2d( 'xy', 0 )
1566	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
1567	ENDIF
1568	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
1569	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1570
1571	CALL doq_calculate
1572	CALL data_output_2d( 'xz', 0 )
1573	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
1574	ENDIF
1575	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
1576	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1577	CALL doq_calculate
1578
1579	CALL data_output_2d( 'yz', 0 )
1580	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
1581	ENDIF
1582
1583	!
1584	!-- 3d-data output (volume data)
1585	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
1586	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1587	CALL doq_calculate
1588
1589	CALL data_output_3d( 0 )
1590	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
1591	ENDIF
1592
1593	!
1594	!-- Masked data output
1595	DO mid = 1, masks
1596	IF ( time_domask(mid) >= dt_domask(mid) &
1597	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
1598	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1599	CALL doq_calculate
1600
1601	CALL data_output_mask( 0, mid )
1602	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
1603	ENDIF
1604	ENDDO
1605
1606	!
1607	!-- Output of time-averaged 2d/3d/masked data
1608	IF ( time_do_av >= dt_data_output_av &
1609	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
1610	CALL average_3d_data
1611	!
1612	!-- Udate thermal comfort indices based on updated averaged input
1613	IF ( biometeorology .AND. thermal_comfort ) THEN
1614	CALL bio_calculate_thermal_index_maps ( .TRUE. )
1615	ENDIF
1616	CALL data_output_2d( 'xy', 1 )
1617	CALL data_output_2d( 'xz', 1 )
1618	CALL data_output_2d( 'yz', 1 )
1619	CALL data_output_3d( 1 )
1620	DO mid = 1, masks
1621	CALL data_output_mask( 1, mid )
1622	ENDDO
1623	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
1624	ENDIF
1625	!
1626	!-- Output of surface data, instantaneous and averaged data
1627	IF ( surface_output ) THEN
1628	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
1629	CALL surface_data_output( 0 )
1630	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
1631	ENDIF
1632	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1633	CALL surface_data_output( 1 )
1634	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
1635	ENDIF
1636	ENDIF
1637
1638	!
1639	!-- Output of particle time series
1640	IF ( particle_advection ) THEN
1641	IF ( time_dopts >= dt_dopts .OR. &
1642	( time_since_reference_point >= particle_advection_start .AND. &
1643	first_call_lpm ) ) THEN
1644	CALL lpm_data_output_ptseries
1645	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
1646	ENDIF
1647	ENDIF
1648
1649	!
1650	!-- If required, set the heat flux for the next time step to a random value
1651	IF ( constant_heatflux .AND. random_heatflux ) THEN
1652	IF ( surf_def_h(0)%ns >= 1 ) THEN
1653	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1654	CALL disturb_heatflux( surf_def_h(0) )
1655	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1656	ENDIF
1657	IF ( surf_lsm_h%ns >= 1 ) THEN
1658	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1659	CALL disturb_heatflux( surf_lsm_h )
1660	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1661	ENDIF
1662	IF ( surf_usm_h%ns >= 1 ) THEN
1663	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1664	CALL disturb_heatflux( surf_usm_h )
1665	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1666	ENDIF
1667	ENDIF
1668
1669	!
1670	!-- Execute alle other module actions routunes
1671	CALL module_interface_actions( 'after_timestep' )
1672
1673	!
1674	!-- Determine size of next time step. Save timestep dt_3d because it is
1675	!-- newly calculated in routine timestep, but required further below for
1676	!-- steering the run control output interval
1677	dt_3d_old = dt_3d
1678	CALL timestep
1679
1680	#if defined( __parallel )
1681	!
1682	!-- Synchronize the timestep in case of nested run.
1683	IF ( nested_run ) THEN
1684	!
1685	!-- Synchronize by unifying the time step.
1686	!-- Global minimum of all time-steps is used for all.
1687	CALL pmci_synchronize
1688	ENDIF
1689	#endif
1690
1691	!
1692	!-- Computation and output of run control parameters.
1693	!-- This is also done whenever perturbations have been imposed
1694	IF ( time_run_control >= dt_run_control .OR. &
1695	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
1696	THEN
1697	CALL run_control
1698	IF ( time_run_control >= dt_run_control ) THEN
1699	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
1700	ENDIF
1701	ENDIF
1702
1703	!
1704	!-- Output elapsed simulated time in form of a progress bar on stdout
1705	IF ( myid == 0 ) CALL output_progress_bar
1706
1707	IF ( debug_output_timestep ) THEN
1708	WRITE( debug_string, * ) 'time_integration', simulated_time
1709	CALL debug_message( debug_string, 'end' )
1710	ENDIF
1711
1712	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
1713
1714
1715	ENDDO ! time loop
1716
1717	#if defined( _OPENACC )
1718	CALL exit_surface_arrays
1719	#endif
1720	!$ACC END DATA
1721	!$ACC END DATA
1722	!$ACC END DATA
1723	!$ACC END DATA
1724	!$ACC END DATA
1725	!$ACC END DATA
1726	!$ACC END DATA
1727	!$ACC END DATA
1728
1729	IF ( myid == 0 ) CALL finish_progress_bar
1730
1731	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
1732
1733	END SUBROUTINE time_integration

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