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source: palm/trunk/SOURCE/time_integration.f90 @ 4440

Last change on this file since 4440 was 4420, checked in by maronga, 5 years ago
added steering for NetCDF output for wind turbine model; minor fix in palmrungui
Property svn:keywords set to `Id`
File size: 69.4 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 4420 2020-02-24 14:13:56Z suehring $
27	! Added output control for wind turbine model
28	!
29	! 4403 2020-02-12 13:08:46Z banzhafs
30	! Allowing both existing and on-demand emission read modes
31	!
32	! 4360 2020-01-07 11:25:50Z suehring
33	! Bugfix, hour_call_emis uninitialized at first call of time_integration
34	!
35	! 4346 2019-12-18 11:55:56Z motisi
36	! Introduction of wall_flags_total_0, which currently sets bits based on static
37	! topography information used in wall_flags_static_0
38	!
39	! 4329 2019-12-10 15:46:36Z motisi
40	! Renamed wall_flags_0 to wall_flags_static_0
41	!
42	! 4281 2019-10-29 15:15:39Z schwenkel
43	! Moved boundary conditions to module interface
44	!
45	! 4276 2019-10-28 16:03:29Z schwenkel
46	! Further modularization of lpm code components
47	!
48	! 4275 2019-10-28 15:34:55Z schwenkel
49	! Move call oft lpm to the end of intermediate timestep loop
50	!
51	! 4268 2019-10-17 11:29:38Z schwenkel
52	! Removing module specific boundary conditions an put them into their modules
53	!
54	! 4227 2019-09-10 18:04:34Z gronemeier
55	! implement new palm_date_time_mod
56	!
57	! 4226 2019-09-10 17:03:24Z suehring
58	! Changes in interface for the offline nesting
59	!
60	! 4182 2019-08-22 15:20:23Z scharf
61	! Corrected "Former revisions" section
62	!
63	! 4170 2019-08-19 17:12:31Z gronemeier
64	! copy diss, diss_p, tdiss_m to GPU
65	!
66	! 4144 2019-08-06 09:11:47Z raasch
67	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
68	!
69	! 4126 2019-07-30 11:09:11Z gronemeier
70	! renamed routine to calculate uv exposure
71	!
72	! 4111 2019-07-22 18:16:57Z suehring
73	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
74	!
75	! 4069 2019-07-01 14:05:51Z Giersch
76	! Masked output running index mid has been introduced as a local variable to
77	! avoid runtime error (Loop variable has been modified) in time_integration
78	!
79	! 4064 2019-07-01 05:33:33Z gronemeier
80	! Moved call to radiation module out of intermediate time loop
81	!
82	! 4048 2019-06-21 21:00:21Z knoop
83	! Moved production_e_init call into turbulence_closure_mod
84	!
85	! 4047 2019-06-21 18:58:09Z knoop
86	! Added remainings of swap_timelevel upon its dissolution
87	!
88	! 4043 2019-06-18 16:59:00Z schwenkel
89	! Further LPM modularization
90	!
91	! 4039 2019-06-18 10:32:41Z suehring
92	! Rename subroutines in module for diagnostic quantities
93	!
94	! 4029 2019-06-14 14:04:35Z raasch
95	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
96	! bugfix: decycling of chemistry species after nesting data transfer
97	!
98	! 4022 2019-06-12 11:52:39Z suehring
99	! Call synthetic turbulence generator at last RK3 substep right after boundary
100	! conditions are updated in offline nesting in order to assure that
101	! perturbations are always imposed
102	!
103	! 4017 2019-06-06 12:16:46Z schwenkel
104	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
105	!
106	! 3994 2019-05-22 18:08:09Z suehring
107	! output of turbulence intensity added
108	!
109	! 3988 2019-05-22 11:32:37Z kanani
110	! Implement steerable output interval for virtual measurements
111	!
112	! 3968 2019-05-13 11:04:01Z suehring
113	! replace nspec_out with n_matched_vars
114	!
115	! 3929 2019-04-24 12:52:08Z banzhafs
116	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
117	! chem_boundary_conds_decycle
118	!
119	!
120	! 3885 2019-04-11 11:29:34Z kanani
121	! Changes related to global restructuring of location messages and introduction
122	! of additional debug messages
123	!
124	! 3879 2019-04-08 20:25:23Z knoop
125	! Moved wtm_forces to module_interface_actions
126	!
127	! 3872 2019-04-08 15:03:06Z knoop
128	! Modifications made for salsa:
129	! - Call salsa_emission_update at each time step but do the checks within
130	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
131	! and next_aero_emission_update <= time_since_reference_point ).
132	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
133	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
134	! - Apply nesting for salsa variables
135	! - Removed cpu_log calls speciffic for salsa.
136	!
137	! 3833 2019-03-28 15:04:04Z forkel
138	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
139	!
140	! 3820 2019-03-27 11:53:41Z forkel
141	! renamed do_emiss to emissions_anthropogenic (ecc)
142	!
143	!
144	! 3774 2019-03-04 10:52:49Z moh.hefny
145	! rephrase if statement to avoid unallocated array in case of
146	! nesting_offline is false (crashing during debug mode)
147	!
148	! 3761 2019-02-25 15:31:42Z raasch $
149	! module section re-formatted and openacc required variables moved to separate section,
150	! re-formatting to 100 char line width
151	!
152	! 3745 2019-02-15 18:57:56Z suehring
153	! Call indoor model after first timestep
154	!
155	! 3744 2019-02-15 18:38:58Z suehring
156	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
157	! time_integration to make sure averaged input is updated before calculating.
158	!
159	! 3739 2019-02-13 08:05:17Z dom_dwd_user
160	! Removed everything related to "time_bio_results" as this is never used.
161	!
162	! 3724 2019-02-06 16:28:23Z kanani
163	! Correct double-used log_point_s unit
164	!
165	! 3719 2019-02-06 13:10:18Z kanani
166	! - removed wind_turbine cpu measurement, since same time is measured inside
167	! wtm_forces subroutine as special measures
168	! - moved the numerous vnest cpulog to special measures
169	! - extended radiation cpulog over entire radiation part,
170	! moved radiation_interactions cpulog to special measures
171	! - moved some cpu_log calls to this routine for better overview
172	!
173	! 3705 2019-01-29 19:56:39Z suehring
174	! Data output for virtual measurements added
175	!
176	! 3704 2019-01-29 19:51:41Z suehring
177	! Rename subroutines for surface-data output
178	!
179	! 3647 2019-01-02 14:10:44Z kanani
180	! Bugfix: add time_since_reference_point to IF clause for data_output calls
181	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
182	! Clean up indoor_model and biometeorology model call.
183	!
184	! Revision 1.1 1997/08/11 06:19:04 raasch
185	! Initial revision
186	!
187	!
188	! Description:
189	! ------------
190	!> Integration in time of the model equations, statistical analysis and graphic
191	!> output
192	!------------------------------------------------------------------------------!
193	SUBROUTINE time_integration
194
195
196	USE advec_ws, &
197	ONLY: ws_statistics
198
199	USE arrays_3d, &
200	ONLY: diss, diss_p, dzu, e, e_p, nc, nc_p, nr, nr_p, prho, pt, pt_p, pt_init, q_init, q, &
201	qc, qc_p, qr, qr_p, q_p, ref_state, rho_ocean, s, s_p, sa_p, &
202	tend, u, u_p, v, vpt, v_p, w, w_p
203
204	USE biometeorology_mod, &
205	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
206	uv_exposure
207
208	USE bulk_cloud_model_mod, &
209	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
210	microphysics_morrison, microphysics_seifert
211
212	USE calc_mean_profile_mod, &
213	ONLY: calc_mean_profile
214
215	USE chem_emissions_mod, &
216	ONLY: chem_emissions_setup, chem_emissions_update_on_demand
217
218	USE chem_gasphase_mod, &
219	ONLY: nvar
220
221	USE chem_modules, &
222	ONLY: bc_cs_t_val, chem_species, cs_name, &
223	emissions_anthropogenic, emiss_read_legacy_mode, &
224	n_matched_vars
225
226	USE chemistry_model_mod, &
227	ONLY: chem_boundary_conds
228
229	USE control_parameters, &
230	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
231	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
232	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
233	constant_flux_layer, constant_heatflux, create_disturbances, &
234	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
235	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
236	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
237	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
238	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
239	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
240	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
241	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
242	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
243	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
244	pt_slope_offset, random_heatflux, rans_mode, rans_tke_e, run_coupled, salsa, &
245	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
246	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
247	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
248	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
249	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
250	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
251	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
252	turbulent_inflow, turbulent_outflow, urban_surface, &
253	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
254	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca, timestep_count
255
256	USE cpulog, &
257	ONLY: cpu_log, log_point, log_point_s
258
259	USE diagnostic_output_quantities_mod, &
260	ONLY: doq_calculate, &
261	timestep_number_at_prev_calc
262
263	USE flight_mod, &
264	ONLY: flight_measurement
265
266	USE indices, &
267	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
268
269	USE indoor_model_mod, &
270	ONLY: dt_indoor, im_main_heatcool, time_indoor
271
272	USE interfaces
273
274	USE kinds
275
276	USE land_surface_model_mod, &
277	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
278
279	USE lagrangian_particle_model_mod, &
280	ONLY: lpm_data_output_ptseries
281
282	USE lsf_nudging_mod, &
283	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
284
285	USE module_interface, &
286	ONLY: module_interface_actions, module_interface_swap_timelevel, &
287	module_interface_boundary_conditions
288
289	USE multi_agent_system_mod, &
290	ONLY: agents_active, multi_agent_system
291
292	USE nesting_offl_mod, &
293	ONLY: nesting_offl_bc, &
294	nesting_offl_geostrophic_wind, &
295	nesting_offl_input, &
296	nesting_offl_interpolation_factor, &
297	nesting_offl_mass_conservation
298
299	USE netcdf_data_input_mod, &
300	ONLY: chem_emis, chem_emis_att
301
302	USE ocean_mod, &
303	ONLY: prho_reference
304
305	USE palm_date_time_mod, &
306	ONLY: get_date_time
307
308	USE particle_attributes, &
309	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
310
311	USE pegrid
312
313	USE pmc_interface, &
314	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
315	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
316	pmci_set_swaplevel
317
318	USE progress_bar, &
319	ONLY: finish_progress_bar, output_progress_bar
320
321	USE prognostic_equations_mod, &
322	ONLY: prognostic_equations_cache, prognostic_equations_vector
323
324	USE radiation_model_mod, &
325	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
326	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
327
328	USE salsa_mod, &
329	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
330	nbins_aerosol, ncomponents_mass, ngases_salsa, salsa_boundary_conds, &
331	salsa_emission_update, salsa_gas, salsa_gases_from_chem, skip_time_do_salsa
332
333	USE spectra_mod, &
334	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
335
336	USE statistics, &
337	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
338
339
340	USE surface_layer_fluxes_mod, &
341	ONLY: surface_layer_fluxes
342
343	USE surface_data_output_mod, &
344	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
345	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
346	skip_time_dosurf_av, time_dosurf, time_dosurf_av
347
348	USE surface_mod, &
349	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
350
351	USE synthetic_turbulence_generator_mod, &
352	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
353	time_stg_adjust, time_stg_call, use_syn_turb_gen
354
355	USE turbulence_closure_mod, &
356	ONLY: tcm_diffusivities
357
358	USE urban_surface_mod, &
359	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
360	usm_surface_energy_balance, usm_green_heat_model
361
362	USE vertical_nesting_mod, &
363	ONLY: vnested, vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
364	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init, vnest_init_fine, &
365	vnest_start_time
366
367	USE virtual_measurement_mod, &
368	ONLY: dt_virtual_measurement, &
369	time_virtual_measurement, &
370	vm_data_output, &
371	vm_sampling, &
372	vm_time_start
373
374
375	USE wind_turbine_model_mod, &
376	ONLY: dt_data_output_wtm, time_wtm, wind_turbine, wtm_data_output
377
378	#if defined( _OPENACC )
379	USE arrays_3d, &
380	ONLY: d, dd2zu, ddzu, ddzw, drho_air, drho_air_zw, dzw, heatflux_output_conversion, kh, &
381	km, momentumflux_output_conversion, p, ptdf_x, ptdf_y, rdf, rdf_sc, rho_air, &
382	rho_air_zw, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, u_stokes_zu, vg, &
383	v_init, v_stokes_zu, zu
384
385	USE control_parameters, &
386	ONLY: tsc
387
388	USE indices, &
389	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
390
391	USE statistics, &
392	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
393	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
394	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
395	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l
396
397	USE surface_mod, &
398	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
399	#endif
400
401
402	IMPLICIT NONE
403
404	CHARACTER (LEN=9) :: time_to_string !<
405
406	INTEGER(iwp) :: hour !< hour of current time
407	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
408	INTEGER(iwp) :: ib !< index for aerosol size bins
409	INTEGER(iwp) :: ic !< index for aerosol mass bins
410	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
411	INTEGER(iwp) :: ig !< index for salsa gases
412	INTEGER(iwp) :: lsp !<
413	INTEGER(iwp) :: lsp_usr !<
414	INTEGER(iwp) :: mid !< masked output running index
415	INTEGER(iwp) :: n !< loop counter for chemistry species
416
417	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
418	!< steering of run control output interval
419	REAL(wp) :: time_since_reference_point_save !< original value of
420	!< time_since_reference_point
421
422
423	!
424	!-- Copy data from arrays_3d
425	!$ACC DATA &
426	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
427	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
428	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
429	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
430	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
431	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
432	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
433	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
434	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
435	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
436
437	!$ACC DATA &
438	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
439	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
440	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
441	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
442	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
443	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
444	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
445	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
446	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
447	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
448	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
449	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
450	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
451
452	!$ACC DATA &
453	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
454	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
455	!$ACC COPYIN(zu(nzb:nzt+1)) &
456	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
457	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
458	!$ACC COPYIN(ddzw(1:nzt+1)) &
459	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
460	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
461	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
462	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
463	!$ACC COPYIN(ref_state(0:nz+1)) &
464	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
465	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
466	!$ACC COPYIN(pt_init(0:nz+1)) &
467	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
468
469	!
470	!-- Copy data from control_parameters
471	!$ACC DATA &
472	!$ACC COPYIN(tsc(1:5))
473
474	!
475	!-- Copy data from indices
476	!$ACC DATA &
477	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
478	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
479	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
480
481	!
482	!-- Copy data from surface_mod
483	!$ACC DATA &
484	!$ACC COPYIN(bc_h(0:1)) &
485	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
486	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
487	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
488	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
489	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
490	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
491
492	!
493	!-- Copy data from statistics
494	!$ACC DATA &
495	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
496	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
497	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
498	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
499	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
500	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
501	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
502	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
503	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
504	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
505	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
506	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
507	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
508	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
509	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
510	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
511	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
512	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
513	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
514
515	#if defined( _OPENACC )
516	CALL enter_surface_arrays
517	#endif
518
519	!
520	!-- At beginning determine the first time step
521	CALL timestep
522	!
523	!-- Synchronize the timestep in case of nested run.
524	IF ( nested_run ) THEN
525	!
526	!-- Synchronization by unifying the time step.
527	!-- Global minimum of all time-steps is used for all.
528	CALL pmci_synchronize
529	ENDIF
530
531	!
532	!-- Determine and print out the run control quantities before the first time
533	!-- step of this run. For the initial run, some statistics (e.g. divergence)
534	!-- need to be determined first --> CALL flow_statistics at the beginning of
535	!-- run_control
536	CALL run_control
537	!
538	!-- Data exchange between coupled models in case that a call has been omitted
539	!-- at the end of the previous run of a job chain.
540	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
541	!
542	!-- In case of model termination initiated by the local model the coupler
543	!-- must not be called because this would again cause an MPI hang.
544	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
545	CALL surface_coupler
546	time_coupling = time_coupling - dt_coupling
547	ENDDO
548	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
549	time_coupling = time_since_reference_point
550	ENDIF
551	ENDIF
552
553	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
554
555	!
556	!-- Start of the time loop
557	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
558
559	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
560	!
561	!-- Vertical nesting: initialize fine grid
562	IF ( vnested ) THEN
563	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
564	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
565	CALL vnest_init_fine
566	vnest_init = .TRUE.
567	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
568	ENDIF
569	ENDIF
570	!
571	!-- Determine ug, vg and w_subs in dependence on data from external file
572	!-- LSF_DATA
573	IF ( large_scale_forcing .AND. lsf_vert ) THEN
574	CALL ls_forcing_vert ( simulated_time )
575	sums_ls_l = 0.0_wp
576	ENDIF
577
578	!
579	!-- Set pt_init and q_init to the current profiles taken from
580	!-- NUDGING_DATA
581	IF ( nudging ) THEN
582	CALL nudge_ref ( simulated_time )
583	!
584	!-- Store temperature gradient at the top boundary for possible Neumann
585	!-- boundary condition
586	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
587	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
588	IF ( air_chemistry ) THEN
589	DO lsp = 1, nvar
590	bc_cs_t_val = ( chem_species(lsp)%conc_pr_init(nzt+1) &
591	- chem_species(lsp)%conc_pr_init(nzt) ) &
592	/ dzu(nzt+1)
593	ENDDO
594	ENDIF
595	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
596	DO ib = 1, nbins_aerosol
597	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
598	dzu(nzt+1)
599	DO ic = 1, ncomponents_mass
600	icc = ( ic - 1 ) * nbins_aerosol + ib
601	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
602	dzu(nzt+1)
603	ENDDO
604	ENDDO
605	IF ( .NOT. salsa_gases_from_chem ) THEN
606	DO ig = 1, ngases_salsa
607	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
608	dzu(nzt+1)
609	ENDDO
610	ENDIF
611	ENDIF
612	ENDIF
613	!
614	!-- Input of boundary data.
615	IF ( nesting_offline ) CALL nesting_offl_input
616	!
617	!-- Execute all other module actions routines
618	CALL module_interface_actions( 'before_timestep' )
619
620	!-- Start of intermediate step loop
621	intermediate_timestep_count = 0
622	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
623
624	intermediate_timestep_count = intermediate_timestep_count + 1
625
626	!
627	!-- Set the steering factors for the prognostic equations which depend
628	!-- on the timestep scheme
629	CALL timestep_scheme_steering
630
631	!
632	!-- Calculate those variables needed in the tendency terms which need
633	!-- global communication
634	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
635	THEN
636	!
637	!-- Horizontally averaged profiles to be used as reference state in
638	!-- buoyancy terms (WARNING: only the respective last call of
639	!-- calc_mean_profile defines the reference state!)
640	IF ( .NOT. neutral ) THEN
641	CALL calc_mean_profile( pt, 4 )
642	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
643	ENDIF
644	IF ( ocean_mode ) THEN
645	CALL calc_mean_profile( rho_ocean, 64 )
646	ref_state(:) = hom(:,1,64,0)
647	ENDIF
648	IF ( humidity ) THEN
649	CALL calc_mean_profile( vpt, 44 )
650	ref_state(:) = hom(:,1,44,0)
651	ENDIF
652	!
653	!-- Assure that ref_state does not become zero at any level
654	!-- ( might be the case if a vertical level is completely occupied
655	!-- with topography ).
656	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
657	ENDIF
658
659	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
660	THEN
661	CALL ws_statistics
662	ENDIF
663	!
664	!-- In case of nudging calculate current nudging time scale and horizontal
665	!-- means of u, v, pt and q
666	IF ( nudging ) THEN
667	CALL calc_tnudge( simulated_time )
668	CALL calc_mean_profile( u, 1 )
669	CALL calc_mean_profile( v, 2 )
670	CALL calc_mean_profile( pt, 4 )
671	CALL calc_mean_profile( q, 41 )
672	ENDIF
673	!
674	!-- Execute all other module actions routunes
675	CALL module_interface_actions( 'before_prognostic_equations' )
676	!
677	!-- Solve the prognostic equations. A fast cache optimized version with
678	!-- only one single loop is used in case of Piascek-Williams advection
679	!-- scheme. NEC vector machines use a different version, because
680	!-- in the other versions a good vectorization is prohibited due to
681	!-- inlining problems.
682	IF ( loop_optimization == 'cache' ) THEN
683	CALL prognostic_equations_cache
684	ELSEIF ( loop_optimization == 'vector' ) THEN
685	CALL prognostic_equations_vector
686	ENDIF
687	!
688	!-- Movement of agents in multi agent system
689	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
690	time_since_reference_point <= multi_agent_system_end .AND. &
691	intermediate_timestep_count == 1 ) &
692	THEN
693	CALL multi_agent_system
694	first_call_mas = .FALSE.
695	ENDIF
696
697	!
698	!-- Exchange of ghost points (lateral boundary conditions)
699	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
700
701	CALL exchange_horiz( u_p, nbgp )
702	CALL exchange_horiz( v_p, nbgp )
703	CALL exchange_horiz( w_p, nbgp )
704	CALL exchange_horiz( pt_p, nbgp )
705	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
706	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
707	.OR. use_sgs_for_particles ) THEN
708	IF ( rans_tke_e ) THEN
709	CALL exchange_horiz( diss_p, nbgp )
710	ELSE
711	CALL exchange_horiz( diss, nbgp )
712	ENDIF
713	ENDIF
714	IF ( ocean_mode ) THEN
715	CALL exchange_horiz( sa_p, nbgp )
716	CALL exchange_horiz( rho_ocean, nbgp )
717	CALL exchange_horiz( prho, nbgp )
718	ENDIF
719	IF ( humidity ) THEN
720	CALL exchange_horiz( q_p, nbgp )
721	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
722	CALL exchange_horiz( qc_p, nbgp )
723	CALL exchange_horiz( nc_p, nbgp )
724	ENDIF
725	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
726	CALL exchange_horiz( qr_p, nbgp )
727	CALL exchange_horiz( nr_p, nbgp )
728	ENDIF
729	ENDIF
730	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
731	IF ( air_chemistry ) THEN
732	DO lsp = 1, nvar
733	CALL exchange_horiz( chem_species(lsp)%conc_p, nbgp )
734	ENDDO
735	ENDIF
736
737	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
738	DO ib = 1, nbins_aerosol
739	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp )
740	DO ic = 1, ncomponents_mass
741	icc = ( ic - 1 ) * nbins_aerosol + ib
742	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp )
743	ENDDO
744	ENDDO
745	IF ( .NOT. salsa_gases_from_chem ) THEN
746	DO ig = 1, ngases_salsa
747	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp )
748	ENDDO
749	ENDIF
750	ENDIF
751	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
752
753	!
754	!-- Boundary conditions for the prognostic quantities (except of the
755	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
756	!-- boundary conditions for module-specific variables
757	CALL module_interface_boundary_conditions
758	!
759	!-- Incrementing timestep counter
760	timestep_count = timestep_count + 1
761
762	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
763	!
764	!-- Set the swap level for all modules
765	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
766	!
767	!-- Set the swap level for steering the pmc data transfer
768	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
769
770	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
771
772	!
773	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
774	IF ( vnest_init ) THEN
775	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
776	CALL vnest_anterpolate
777	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
778	ENDIF
779
780	IF ( nested_run ) THEN
781
782	CALL cpu_log( log_point(60), 'nesting', 'start' )
783	!
784	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
785	!-- and pmci_child_datatrans are called inside the wrapper
786	!-- subroutine pmci_datatrans according to the control parameters
787	!-- nesting_mode and nesting_datatransfer_mode.
788	!-- TO_DO: why is nesting_mode given as a parameter here?
789	CALL pmci_datatrans( nesting_mode )
790
791	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
792
793	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
794	!
795	!-- Exchange_horiz is needed for all parent-domains after the
796	!-- anterpolation
797	CALL exchange_horiz( u, nbgp )
798	CALL exchange_horiz( v, nbgp )
799	CALL exchange_horiz( w, nbgp )
800	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
801
802	IF ( humidity ) THEN
803
804	CALL exchange_horiz( q, nbgp )
805
806	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
807	CALL exchange_horiz( qc, nbgp )
808	CALL exchange_horiz( nc, nbgp )
809	ENDIF
810	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
811	CALL exchange_horiz( qr, nbgp )
812	CALL exchange_horiz( nr, nbgp )
813	ENDIF
814
815	ENDIF
816
817	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
818
819	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
820
821	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
822	CALL exchange_horiz( diss, nbgp )
823	ENDIF
824
825	IF ( air_chemistry ) THEN
826	DO n = 1, nvar
827	CALL exchange_horiz( chem_species(n)%conc, nbgp )
828	ENDDO
829	ENDIF
830
831	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
832	DO ib = 1, nbins_aerosol
833	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp )
834	DO ic = 1, ncomponents_mass
835	icc = ( ic - 1 ) * nbins_aerosol + ib
836	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp )
837	ENDDO
838	ENDDO
839	IF ( .NOT. salsa_gases_from_chem ) THEN
840	DO ig = 1, ngases_salsa
841	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp )
842	ENDDO
843	ENDIF
844	ENDIF
845	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
846
847	ENDIF
848
849	!
850	!-- Set boundary conditions again after interpolation and anterpolation.
851	CALL pmci_boundary_conds
852
853	!
854	!-- Set chemistry boundary conditions (decycling)
855	IF ( air_chemistry ) THEN
856	DO lsp = 1, nvar
857	lsp_usr = 1
858	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
859	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
860	CALL chem_boundary_conds( chem_species(lsp)%conc, &
861	chem_species(lsp)%conc_pr_init )
862	ENDIF
863	lsp_usr = lsp_usr + 1
864	ENDDO
865	ENDDO
866	ENDIF
867
868	!
869	!-- Set SALSA boundary conditions (decycling)
870	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
871	DO ib = 1, nbins_aerosol
872	CALL salsa_boundary_conds( aerosol_number(ib)%conc, aerosol_number(ib)%init )
873	DO ic = 1, ncomponents_mass
874	icc = ( ic - 1 ) * nbins_aerosol + ib
875	CALL salsa_boundary_conds( aerosol_mass(icc)%conc, aerosol_mass(icc)%init )
876	ENDDO
877	ENDDO
878	IF ( .NOT. salsa_gases_from_chem ) THEN
879	DO ig = 1, ngases_salsa
880	CALL salsa_boundary_conds( salsa_gas(ig)%conc, salsa_gas(ig)%init )
881	ENDDO
882	ENDIF
883	ENDIF
884
885	CALL cpu_log( log_point(60), 'nesting', 'stop' )
886
887	ENDIF
888
889	!
890	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
891	!-- when a sloping surface is used
892	IF ( sloping_surface ) THEN
893	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
894	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
895	ENDIF
896
897	!
898	!-- Impose a turbulent inflow using the recycling method
899	IF ( turbulent_inflow ) CALL inflow_turbulence
900
901	!
902	!-- Set values at outflow boundary using the special outflow condition
903	IF ( turbulent_outflow ) CALL outflow_turbulence
904
905	!
906	!-- Impose a random perturbation on the horizontal velocity field
907	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
908	intermediate_timestep_count == intermediate_timestep_count_max ) &
909	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
910	THEN
911	time_disturb = time_disturb + dt_3d
912	IF ( time_disturb >= dt_disturb ) THEN
913	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
914	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
915	CALL disturb_field( 'u', tend, u )
916	CALL disturb_field( 'v', tend, v )
917	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
918	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
919	THEN
920	!
921	!-- Runs with a non-cyclic lateral wall need perturbations
922	!-- near the inflow throughout the whole simulation
923	dist_range = 1
924	CALL disturb_field( 'u', tend, u )
925	CALL disturb_field( 'v', tend, v )
926	dist_range = 0
927	ENDIF
928	time_disturb = time_disturb - dt_disturb
929	ENDIF
930	ENDIF
931
932	!
933	!-- Map forcing data derived from larger scale model onto domain
934	!-- boundaries. Further, update geostrophic wind components.
935	IF ( nesting_offline .AND. intermediate_timestep_count == &
936	intermediate_timestep_count_max ) THEN
937	!-- Determine interpolation factor before boundary conditions and geostrophic wind
938	!-- is updated.
939	CALL nesting_offl_interpolation_factor
940	CALL nesting_offl_bc
941	CALL nesting_offl_geostrophic_wind
942	ENDIF
943	!
944	!-- Impose a turbulent inflow using synthetic generated turbulence.
945	IF ( use_syn_turb_gen .AND. &
946	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
947	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
948	CALL stg_main
949	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
950	ENDIF
951	!
952	!-- Ensure mass conservation. This need to be done after imposing
953	!-- synthetic turbulence and top boundary condition for pressure is set to
954	!-- Neumann conditions.
955	!-- Is this also required in case of Dirichlet?
956	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
957	!
958	!-- Reduce the velocity divergence via the equation for perturbation
959	!-- pressure.
960	IF ( intermediate_timestep_count == 1 .OR. &
961	call_psolver_at_all_substeps ) THEN
962
963	IF ( vnest_init ) THEN
964	!
965	!-- Compute pressure in the CG, interpolate top boundary conditions
966	!-- to the FG and then compute pressure in the FG
967	IF ( coupling_mode == 'vnested_crse' ) CALL pres
968
969	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
970	CALL vnest_boundary_conds
971	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
972
973	IF ( coupling_mode == 'vnested_fine' ) CALL pres
974
975	!-- Anterpolate TKE, satisfy Germano Identity
976	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
977	CALL vnest_anterpolate_e
978	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
979
980	ELSE
981	!
982	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
983	IF ( child_domain ) THEN
984	IF ( nesting_mode == 'vertical' ) THEN
985	CALL pmci_ensure_nest_mass_conservation_vertical
986	ELSE
987	CALL pmci_ensure_nest_mass_conservation
988	ENDIF
989	ENDIF
990
991	CALL pres
992
993	ENDIF
994
995	ENDIF
996	!
997	!-- Particle transport/physics with the Lagrangian particle model
998	!-- (only once during intermediate steps, because it uses an Euler-step)
999	!-- ### particle model should be moved before prognostic_equations, in order
1000	!-- to regard droplet interactions directly
1001
1002	CALL module_interface_actions( 'after_pressure_solver' )
1003	!
1004	!-- Interaction of droplets with temperature and mixing ratio.
1005	!-- Droplet condensation and evaporation is calculated within
1006	!-- advec_particles.
1007	!
1008	!-- If required, compute liquid water content
1009	IF ( bulk_cloud_model ) THEN
1010	CALL calc_liquid_water_content
1011	ENDIF
1012	!
1013	!-- If required, compute virtual potential temperature
1014	IF ( humidity ) THEN
1015	CALL compute_vpt
1016	ENDIF
1017
1018	!
1019	!-- Compute the diffusion quantities
1020	IF ( .NOT. constant_diffusion ) THEN
1021
1022	!
1023	!-- Determine surface fluxes shf and qsws and surface values
1024	!-- pt_surface and q_surface in dependence on data from external
1025	!-- file LSF_DATA respectively
1026	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
1027	intermediate_timestep_count == intermediate_timestep_count_max ) &
1028	THEN
1029	CALL ls_forcing_surf( simulated_time )
1030	ENDIF
1031
1032	!
1033	!-- First the vertical (and horizontal) fluxes in the surface
1034	!-- (constant flux) layer are computed
1035	IF ( constant_flux_layer ) THEN
1036	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
1037	CALL surface_layer_fluxes
1038	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
1039	ENDIF
1040	!
1041	!-- If required, solve the energy balance for the surface and run soil
1042	!-- model. Call for horizontal as well as vertical surfaces
1043	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
1044
1045	CALL cpu_log( log_point(54), 'land_surface', 'start' )
1046	!
1047	!-- Call for horizontal upward-facing surfaces
1048	CALL lsm_energy_balance( .TRUE., -1 )
1049	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
1050	!
1051	!-- Call for northward-facing surfaces
1052	CALL lsm_energy_balance( .FALSE., 0 )
1053	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
1054	!
1055	!-- Call for southward-facing surfaces
1056	CALL lsm_energy_balance( .FALSE., 1 )
1057	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
1058	!
1059	!-- Call for eastward-facing surfaces
1060	CALL lsm_energy_balance( .FALSE., 2 )
1061	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
1062	!
1063	!-- Call for westward-facing surfaces
1064	CALL lsm_energy_balance( .FALSE., 3 )
1065	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
1066
1067	!
1068	!-- At the end, set boundary conditons for potential temperature
1069	!-- and humidity after running the land-surface model. This
1070	!-- might be important for the nesting, where arrays are transfered.
1071	CALL lsm_boundary_condition
1072
1073
1074	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
1075	ENDIF
1076	!
1077	!-- If required, solve the energy balance for urban surfaces and run
1078	!-- the material heat model
1079	IF (urban_surface) THEN
1080	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
1081
1082	CALL usm_surface_energy_balance( .FALSE. )
1083	IF ( usm_material_model ) THEN
1084	CALL usm_green_heat_model
1085	CALL usm_material_heat_model ( .FALSE. )
1086	ENDIF
1087
1088	!
1089	!-- At the end, set boundary conditons for potential temperature
1090	!-- and humidity after running the urban-surface model. This
1091	!-- might be important for the nesting, where arrays are transfered.
1092	CALL usm_boundary_condition
1093
1094	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
1095	ENDIF
1096	!
1097	!-- Compute the diffusion coefficients
1098	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
1099	IF ( .NOT. humidity ) THEN
1100	IF ( ocean_mode ) THEN
1101	CALL tcm_diffusivities( prho, prho_reference )
1102	ELSE
1103	CALL tcm_diffusivities( pt, pt_reference )
1104	ENDIF
1105	ELSE
1106	CALL tcm_diffusivities( vpt, pt_reference )
1107	ENDIF
1108	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
1109	!
1110	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
1111	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
1112
1113	ENDIF
1114
1115	ENDDO ! Intermediate step loop
1116
1117	!
1118	!-- Will be used at some point by flow_statistics.
1119	!$ACC UPDATE &
1120	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
1121	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
1122	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
1123	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
1124	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
1125	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
1126	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
1127	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
1128	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
1129	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
1130	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
1131	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
1132	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
1133	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
1134	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
1135
1136	!
1137	!-- If required, calculate radiative fluxes and heating rates
1138	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
1139
1140	time_radiation = time_radiation + dt_3d
1141
1142	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
1143
1144	CALL cpu_log( log_point(50), 'radiation', 'start' )
1145
1146	IF ( .NOT. force_radiation_call ) THEN
1147	time_radiation = time_radiation - dt_radiation
1148	ENDIF
1149
1150	!
1151	!-- Adjust the current time to the time step of the radiation model.
1152	!-- Needed since radiation is pre-calculated and stored only on apparent
1153	!-- solar positions
1154	time_since_reference_point_save = time_since_reference_point
1155	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
1156	dt_radiation ), wp ) * dt_radiation
1157
1158	CALL radiation_control
1159
1160	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
1161	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
1162	CALL radiation_interaction
1163	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
1164	ENDIF
1165
1166	!
1167	!-- Return the current time to its original value
1168	time_since_reference_point = time_since_reference_point_save
1169
1170	CALL cpu_log( log_point(50), 'radiation', 'stop' )
1171
1172	ENDIF
1173	ENDIF
1174
1175
1176	!
1177	!-- 20200203 (ECC)
1178	!-- allows for emission update mode in legacy mode as well as on-demand mode
1179	!-- note that under on-demand mode emission update is no longer restricted to
1180	!-- an hourly frequency, but whenever the simulation time corresponds to an
1181	!-- inrement in emission timestamp value
1182
1183	!
1184	!-- If required, consider chemical emissions
1185
1186	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
1187
1188	IF ( emiss_read_legacy_mode ) THEN
1189	!
1190	!-- get hourly index and updates emission data when the hour is passed
1191
1192	CALL get_date_time( time_since_reference_point, hour=hour )
1193
1194	IF ( hour_call_emis /= hour ) THEN
1195
1196	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
1197	hour_call_emis = hour
1198
1199	ENDIF
1200
1201	ELSE
1202
1203	CALL chem_emissions_update_on_demand
1204
1205	ENDIF
1206
1207	ENDIF
1208
1209
1210	!
1211	!-- If required, consider aerosol emissions for the salsa model
1212	IF ( salsa ) THEN
1213	!
1214	!-- Call emission routine to update emissions if needed
1215	CALL salsa_emission_update
1216
1217	ENDIF
1218	!
1219	!-- If required, calculate indoor temperature, waste heat, heat flux
1220	!-- through wall, etc.
1221	!-- dt_indoor steers the frequency of the indoor model calculations.
1222	!-- Note, at first timestep indoor model is called, in order to provide
1223	!-- a waste heat flux.
1224	IF ( indoor_model ) THEN
1225
1226	time_indoor = time_indoor + dt_3d
1227
1228	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
1229
1230	time_indoor = time_indoor - dt_indoor
1231
1232	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
1233	CALL im_main_heatcool
1234	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
1235
1236	ENDIF
1237	ENDIF
1238	!
1239	!-- Increase simulation time and output times
1240	nr_timesteps_this_run = nr_timesteps_this_run + 1
1241	current_timestep_number = current_timestep_number + 1
1242	simulated_time = simulated_time + dt_3d
1243	time_since_reference_point = simulated_time - coupling_start_time
1244	simulated_time_chr = time_to_string( time_since_reference_point )
1245
1246
1247	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
1248	time_do_av = time_do_av + dt_3d
1249	ENDIF
1250	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
1251	time_do2d_xy = time_do2d_xy + dt_3d
1252	ENDIF
1253	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
1254	time_do2d_xz = time_do2d_xz + dt_3d
1255	ENDIF
1256	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
1257	time_do2d_yz = time_do2d_yz + dt_3d
1258	ENDIF
1259	IF ( time_since_reference_point >= skip_time_do3d ) THEN
1260	time_do3d = time_do3d + dt_3d
1261	ENDIF
1262	DO mid = 1, masks
1263	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
1264	time_domask(mid)= time_domask(mid) + dt_3d
1265	ENDIF
1266	ENDDO
1267	IF ( time_since_reference_point >= skip_time_dosp ) THEN
1268	time_dosp = time_dosp + dt_3d
1269	ENDIF
1270	time_dots = time_dots + dt_3d
1271	IF ( .NOT. first_call_lpm ) THEN
1272	time_dopts = time_dopts + dt_3d
1273	ENDIF
1274	IF ( time_since_reference_point >= skip_time_dopr ) THEN
1275	time_dopr = time_dopr + dt_3d
1276	ENDIF
1277	time_dopr_listing = time_dopr_listing + dt_3d
1278	time_run_control = time_run_control + dt_3d
1279	!
1280	!-- Increment time-counter for surface output
1281	IF ( surface_output ) THEN
1282	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
1283	time_dosurf = time_dosurf + dt_3d
1284	ENDIF
1285	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
1286	time_dosurf_av = time_dosurf_av + dt_3d
1287	ENDIF
1288	ENDIF
1289	!
1290	!-- Increment time-counter for virtual measurements
1291	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
1292	time_virtual_measurement = time_virtual_measurement + dt_3d
1293	ENDIF
1294
1295	!
1296	!-- Increment time-counter for wind turbine data output
1297	IF ( wind_turbine ) THEN
1298	time_wtm = time_wtm + dt_3d
1299	ENDIF
1300
1301	!
1302	!-- In case of synthetic turbulence generation and parametrized turbulence
1303	!-- information, update the time counter and if required, adjust the
1304	!-- STG to new atmospheric conditions.
1305	IF ( use_syn_turb_gen ) THEN
1306	IF ( parametrize_inflow_turbulence ) THEN
1307	time_stg_adjust = time_stg_adjust + dt_3d
1308	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
1309	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1310	CALL stg_adjust
1311	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1312	ENDIF
1313	ENDIF
1314	time_stg_call = time_stg_call + dt_3d
1315	ENDIF
1316
1317	!
1318	!-- Data exchange between coupled models
1319	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
1320	time_coupling = time_coupling + dt_3d
1321
1322	!
1323	!-- In case of model termination initiated by the local model
1324	!-- (terminate_coupled > 0), the coupler must be skipped because it would
1325	!-- cause an MPI intercomminucation hang.
1326	!-- If necessary, the coupler will be called at the beginning of the
1327	!-- next restart run.
1328	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
1329	CALL surface_coupler
1330	time_coupling = time_coupling - dt_coupling
1331	ENDDO
1332	ENDIF
1333
1334	!
1335	!-- Biometeorology calculation of stationary thermal indices
1336	!-- Todo (kanani): biometeorology needs own time_... treatment.
1337	!-- It might be that time_do2d_xy differs from time_do3d,
1338	!-- and then we might get trouble with the biomet output,
1339	!-- because we can have 2d and/or 3d biomet output!!
1340	IF ( biometeorology &
1341	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
1342	.OR. &
1343	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
1344	) ) THEN
1345	!
1346	!-- If required, do thermal comfort calculations
1347	IF ( thermal_comfort ) THEN
1348	CALL bio_calculate_thermal_index_maps ( .FALSE. )
1349	ENDIF
1350	!
1351	!-- If required, do UV exposure calculations
1352	IF ( uv_exposure ) THEN
1353	CALL bio_calculate_uv_exposure
1354	ENDIF
1355	ENDIF
1356
1357	!
1358	!-- Execute alle other module actions routunes
1359	CALL module_interface_actions( 'after_integration' )
1360
1361	!
1362	!-- If Galilei transformation is used, determine the distance that the
1363	!-- model has moved so far
1364	IF ( galilei_transformation ) THEN
1365	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
1366	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
1367	ENDIF
1368
1369	!
1370	!-- Check, if restart is necessary (because cpu-time is expiring or
1371	!-- because it is forced by user) and set stop flag
1372	!-- This call is skipped if the remote model has already initiated a restart.
1373	IF ( .NOT. terminate_run ) CALL check_for_restart
1374
1375	!
1376	!-- Carry out statistical analysis and output at the requested output times.
1377	!-- The MOD function is used for calculating the output time counters (like
1378	!-- time_dopr) in order to regard a possible decrease of the output time
1379	!-- interval in case of restart runs
1380
1381	!
1382	!-- Set a flag indicating that so far no statistics have been created
1383	!-- for this time step
1384	flow_statistics_called = .FALSE.
1385
1386	!
1387	!-- If required, call flow_statistics for averaging in time
1388	IF ( averaging_interval_pr /= 0.0_wp .AND. &
1389	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
1390	time_since_reference_point >= skip_time_dopr ) THEN
1391	time_dopr_av = time_dopr_av + dt_3d
1392	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
1393	do_sum = .TRUE.
1394	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
1395	ENDIF
1396	ENDIF
1397	IF ( do_sum ) CALL flow_statistics
1398
1399	!
1400	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
1401	IF ( averaging_interval /= 0.0_wp .AND. &
1402	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
1403	time_since_reference_point >= skip_time_data_output_av ) &
1404	THEN
1405	time_do_sla = time_do_sla + dt_3d
1406	IF ( time_do_sla >= dt_averaging_input ) THEN
1407	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1408	CALL doq_calculate
1409
1410	CALL sum_up_3d_data
1411	average_count_3d = average_count_3d + 1
1412	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
1413	ENDIF
1414	ENDIF
1415	!
1416	!-- Average surface data
1417	IF ( surface_output ) THEN
1418	IF ( averaging_interval_surf /= 0.0_wp &
1419	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
1420	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1421	IF ( time_dosurf_av >= dt_averaging_input ) THEN
1422	CALL surface_data_output_averaging
1423	average_count_surf = average_count_surf + 1
1424	ENDIF
1425	ENDIF
1426	ENDIF
1427
1428	!
1429	!-- Calculate spectra for time averaging
1430	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
1431	.AND. time_since_reference_point >= skip_time_dosp ) THEN
1432	time_dosp_av = time_dosp_av + dt_3d
1433	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
1434	CALL calc_spectra
1435	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
1436	ENDIF
1437	ENDIF
1438
1439	!
1440	!-- Call flight module and output data
1441	IF ( virtual_flight ) THEN
1442	CALL flight_measurement
1443	CALL data_output_flight
1444	ENDIF
1445	!
1446	!-- Take virtual measurements
1447	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
1448	.AND. vm_time_start <= time_since_reference_point ) THEN
1449	CALL vm_sampling
1450	CALL vm_data_output
1451	time_virtual_measurement = MOD( time_virtual_measurement, &
1452	MAX( dt_virtual_measurement, dt_3d ) )
1453	ENDIF
1454
1455	!
1456	!-- Output wind turbine data
1457	IF ( wind_turbine .AND. time_wtm >= dt_data_output_wtm ) THEN
1458	CALL wtm_data_output
1459	time_wtm = MOD( time_wtm, MAX( dt_data_output_wtm, dt_3d ) )
1460	ENDIF
1461
1462	!
1463	!-- Profile output (ASCII) on file
1464	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
1465	CALL print_1d
1466	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
1467	ENDIF
1468
1469	!
1470	!-- Graphic output for PROFIL
1471	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
1472	IF ( dopr_n /= 0 ) CALL data_output_profiles
1473	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
1474	time_dopr_av = 0.0_wp ! due to averaging (see above)
1475	ENDIF
1476
1477	!
1478	!-- Graphic output for time series
1479	IF ( time_dots >= dt_dots ) THEN
1480	CALL data_output_tseries
1481	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
1482	ENDIF
1483
1484	!
1485	!-- Output of spectra (formatted for use with PROFIL), in case of no
1486	!-- time averaging, spectra has to be calculated before
1487	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
1488	IF ( average_count_sp == 0 ) CALL calc_spectra
1489	CALL data_output_spectra
1490	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
1491	ENDIF
1492
1493	!
1494	!-- 2d-data output (cross-sections)
1495	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
1496	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1497	CALL doq_calculate
1498
1499	CALL data_output_2d( 'xy', 0 )
1500	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
1501	ENDIF
1502	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
1503	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1504
1505	CALL doq_calculate
1506	CALL data_output_2d( 'xz', 0 )
1507	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
1508	ENDIF
1509	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
1510	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1511	CALL doq_calculate
1512
1513	CALL data_output_2d( 'yz', 0 )
1514	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
1515	ENDIF
1516
1517	!
1518	!-- 3d-data output (volume data)
1519	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
1520	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1521	CALL doq_calculate
1522
1523	CALL data_output_3d( 0 )
1524	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
1525	ENDIF
1526
1527	!
1528	!-- Masked data output
1529	DO mid = 1, masks
1530	IF ( time_domask(mid) >= dt_domask(mid) &
1531	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
1532	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1533	CALL doq_calculate
1534
1535	CALL data_output_mask( 0, mid )
1536	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
1537	ENDIF
1538	ENDDO
1539
1540	!
1541	!-- Output of time-averaged 2d/3d/masked data
1542	IF ( time_do_av >= dt_data_output_av &
1543	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
1544	CALL average_3d_data
1545	!
1546	!-- Udate thermal comfort indices based on updated averaged input
1547	IF ( biometeorology .AND. thermal_comfort ) THEN
1548	CALL bio_calculate_thermal_index_maps ( .TRUE. )
1549	ENDIF
1550	CALL data_output_2d( 'xy', 1 )
1551	CALL data_output_2d( 'xz', 1 )
1552	CALL data_output_2d( 'yz', 1 )
1553	CALL data_output_3d( 1 )
1554	DO mid = 1, masks
1555	CALL data_output_mask( 1, mid )
1556	ENDDO
1557	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
1558	ENDIF
1559	!
1560	!-- Output of surface data, instantaneous and averaged data
1561	IF ( surface_output ) THEN
1562	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
1563	CALL surface_data_output( 0 )
1564	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
1565	ENDIF
1566	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1567	CALL surface_data_output( 1 )
1568	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
1569	ENDIF
1570	ENDIF
1571
1572	!
1573	!-- Output of particle time series
1574	IF ( particle_advection ) THEN
1575	IF ( time_dopts >= dt_dopts .OR. &
1576	( time_since_reference_point >= particle_advection_start .AND. &
1577	first_call_lpm ) ) THEN
1578	CALL lpm_data_output_ptseries
1579	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
1580	ENDIF
1581	ENDIF
1582
1583	!
1584	!-- If required, set the heat flux for the next time step to a random value
1585	IF ( constant_heatflux .AND. random_heatflux ) THEN
1586	IF ( surf_def_h(0)%ns >= 1 ) THEN
1587	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1588	CALL disturb_heatflux( surf_def_h(0) )
1589	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1590	ENDIF
1591	IF ( surf_lsm_h%ns >= 1 ) THEN
1592	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1593	CALL disturb_heatflux( surf_lsm_h )
1594	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1595	ENDIF
1596	IF ( surf_usm_h%ns >= 1 ) THEN
1597	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1598	CALL disturb_heatflux( surf_usm_h )
1599	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1600	ENDIF
1601	ENDIF
1602
1603	!
1604	!-- Execute alle other module actions routunes
1605	CALL module_interface_actions( 'after_timestep' )
1606
1607	!
1608	!-- Determine size of next time step. Save timestep dt_3d because it is
1609	!-- newly calculated in routine timestep, but required further below for
1610	!-- steering the run control output interval
1611	dt_3d_old = dt_3d
1612	CALL timestep
1613
1614	!
1615	!-- Synchronize the timestep in case of nested run.
1616	IF ( nested_run ) THEN
1617	!
1618	!-- Synchronize by unifying the time step.
1619	!-- Global minimum of all time-steps is used for all.
1620	CALL pmci_synchronize
1621	ENDIF
1622
1623	!
1624	!-- Computation and output of run control parameters.
1625	!-- This is also done whenever perturbations have been imposed
1626	IF ( time_run_control >= dt_run_control .OR. &
1627	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
1628	THEN
1629	CALL run_control
1630	IF ( time_run_control >= dt_run_control ) THEN
1631	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
1632	ENDIF
1633	ENDIF
1634
1635	!
1636	!-- Output elapsed simulated time in form of a progress bar on stdout
1637	IF ( myid == 0 ) CALL output_progress_bar
1638
1639	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
1640
1641
1642	ENDDO ! time loop
1643
1644	#if defined( _OPENACC )
1645	CALL exit_surface_arrays
1646	#endif
1647	!$ACC END DATA
1648	!$ACC END DATA
1649	!$ACC END DATA
1650	!$ACC END DATA
1651	!$ACC END DATA
1652	!$ACC END DATA
1653	!$ACC END DATA
1654
1655	!
1656	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
1657	IF ( vnest_init ) CALL vnest_deallocate
1658
1659	IF ( myid == 0 ) CALL finish_progress_bar
1660
1661	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
1662
1663	END SUBROUTINE time_integration

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