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source: palm/trunk/SOURCE/time_integration.f90 @ 4411

Last change on this file since 4411 was 4403, checked in by banzhafs, 4 years ago
chemistry model: implemented on-demand emission read mode for LOD 2
Property svn:keywords set to `Id`
File size: 68.8 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 4403 2020-02-12 13:08:46Z maronga $
27	! Allowing both existing and on-demand emission read modes
28	!
29	! 4360 2020-01-07 11:25:50Z suehring
30	! Bugfix, hour_call_emis uninitialized at first call of time_integration
31	!
32	! 4346 2019-12-18 11:55:56Z motisi
33	! Introduction of wall_flags_total_0, which currently sets bits based on static
34	! topography information used in wall_flags_static_0
35	!
36	! 4329 2019-12-10 15:46:36Z motisi
37	! Renamed wall_flags_0 to wall_flags_static_0
38	!
39	! 4281 2019-10-29 15:15:39Z schwenkel
40	! Moved boundary conditions to module interface
41	!
42	! 4276 2019-10-28 16:03:29Z schwenkel
43	! Further modularization of lpm code components
44	!
45	! 4275 2019-10-28 15:34:55Z schwenkel
46	! Move call oft lpm to the end of intermediate timestep loop
47	!
48	! 4268 2019-10-17 11:29:38Z schwenkel
49	! Removing module specific boundary conditions an put them into their modules
50	!
51	! 4227 2019-09-10 18:04:34Z gronemeier
52	! implement new palm_date_time_mod
53	!
54	! 4226 2019-09-10 17:03:24Z suehring
55	! Changes in interface for the offline nesting
56	!
57	! 4182 2019-08-22 15:20:23Z scharf
58	! Corrected "Former revisions" section
59	!
60	! 4170 2019-08-19 17:12:31Z gronemeier
61	! copy diss, diss_p, tdiss_m to GPU
62	!
63	! 4144 2019-08-06 09:11:47Z raasch
64	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
65	!
66	! 4126 2019-07-30 11:09:11Z gronemeier
67	! renamed routine to calculate uv exposure
68	!
69	! 4111 2019-07-22 18:16:57Z suehring
70	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
71	!
72	! 4069 2019-07-01 14:05:51Z Giersch
73	! Masked output running index mid has been introduced as a local variable to
74	! avoid runtime error (Loop variable has been modified) in time_integration
75	!
76	! 4064 2019-07-01 05:33:33Z gronemeier
77	! Moved call to radiation module out of intermediate time loop
78	!
79	! 4048 2019-06-21 21:00:21Z knoop
80	! Moved production_e_init call into turbulence_closure_mod
81	!
82	! 4047 2019-06-21 18:58:09Z knoop
83	! Added remainings of swap_timelevel upon its dissolution
84	!
85	! 4043 2019-06-18 16:59:00Z schwenkel
86	! Further LPM modularization
87	!
88	! 4039 2019-06-18 10:32:41Z suehring
89	! Rename subroutines in module for diagnostic quantities
90	!
91	! 4029 2019-06-14 14:04:35Z raasch
92	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
93	! bugfix: decycling of chemistry species after nesting data transfer
94	!
95	! 4022 2019-06-12 11:52:39Z suehring
96	! Call synthetic turbulence generator at last RK3 substep right after boundary
97	! conditions are updated in offline nesting in order to assure that
98	! perturbations are always imposed
99	!
100	! 4017 2019-06-06 12:16:46Z schwenkel
101	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
102	!
103	! 3994 2019-05-22 18:08:09Z suehring
104	! output of turbulence intensity added
105	!
106	! 3988 2019-05-22 11:32:37Z kanani
107	! Implement steerable output interval for virtual measurements
108	!
109	! 3968 2019-05-13 11:04:01Z suehring
110	! replace nspec_out with n_matched_vars
111	!
112	! 3929 2019-04-24 12:52:08Z banzhafs
113	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
114	! chem_boundary_conds_decycle
115	!
116	!
117	! 3885 2019-04-11 11:29:34Z kanani
118	! Changes related to global restructuring of location messages and introduction
119	! of additional debug messages
120	!
121	! 3879 2019-04-08 20:25:23Z knoop
122	! Moved wtm_forces to module_interface_actions
123	!
124	! 3872 2019-04-08 15:03:06Z knoop
125	! Modifications made for salsa:
126	! - Call salsa_emission_update at each time step but do the checks within
127	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
128	! and next_aero_emission_update <= time_since_reference_point ).
129	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
130	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
131	! - Apply nesting for salsa variables
132	! - Removed cpu_log calls speciffic for salsa.
133	!
134	! 3833 2019-03-28 15:04:04Z forkel
135	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
136	!
137	! 3820 2019-03-27 11:53:41Z forkel
138	! renamed do_emiss to emissions_anthropogenic (ecc)
139	!
140	!
141	! 3774 2019-03-04 10:52:49Z moh.hefny
142	! rephrase if statement to avoid unallocated array in case of
143	! nesting_offline is false (crashing during debug mode)
144	!
145	! 3761 2019-02-25 15:31:42Z raasch $
146	! module section re-formatted and openacc required variables moved to separate section,
147	! re-formatting to 100 char line width
148	!
149	! 3745 2019-02-15 18:57:56Z suehring
150	! Call indoor model after first timestep
151	!
152	! 3744 2019-02-15 18:38:58Z suehring
153	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
154	! time_integration to make sure averaged input is updated before calculating.
155	!
156	! 3739 2019-02-13 08:05:17Z dom_dwd_user
157	! Removed everything related to "time_bio_results" as this is never used.
158	!
159	! 3724 2019-02-06 16:28:23Z kanani
160	! Correct double-used log_point_s unit
161	!
162	! 3719 2019-02-06 13:10:18Z kanani
163	! - removed wind_turbine cpu measurement, since same time is measured inside
164	! wtm_forces subroutine as special measures
165	! - moved the numerous vnest cpulog to special measures
166	! - extended radiation cpulog over entire radiation part,
167	! moved radiation_interactions cpulog to special measures
168	! - moved some cpu_log calls to this routine for better overview
169	!
170	! 3705 2019-01-29 19:56:39Z suehring
171	! Data output for virtual measurements added
172	!
173	! 3704 2019-01-29 19:51:41Z suehring
174	! Rename subroutines for surface-data output
175	!
176	! 3647 2019-01-02 14:10:44Z kanani
177	! Bugfix: add time_since_reference_point to IF clause for data_output calls
178	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
179	! Clean up indoor_model and biometeorology model call.
180	!
181	! Revision 1.1 1997/08/11 06:19:04 raasch
182	! Initial revision
183	!
184	!
185	! Description:
186	! ------------
187	!> Integration in time of the model equations, statistical analysis and graphic
188	!> output
189	!------------------------------------------------------------------------------!
190	SUBROUTINE time_integration
191
192
193	USE advec_ws, &
194	ONLY: ws_statistics
195
196	USE arrays_3d, &
197	ONLY: diss, diss_p, dzu, e, e_p, nc, nc_p, nr, nr_p, prho, pt, pt_p, pt_init, q_init, q, &
198	qc, qc_p, qr, qr_p, q_p, ref_state, rho_ocean, s, s_p, sa_p, &
199	tend, u, u_p, v, vpt, v_p, w, w_p
200
201	USE biometeorology_mod, &
202	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
203	uv_exposure
204
205	USE bulk_cloud_model_mod, &
206	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
207	microphysics_morrison, microphysics_seifert
208
209	USE calc_mean_profile_mod, &
210	ONLY: calc_mean_profile
211
212	USE chem_emissions_mod, &
213	ONLY: chem_emissions_setup, chem_emissions_update_on_demand
214
215	USE chem_gasphase_mod, &
216	ONLY: nvar
217
218	USE chem_modules, &
219	ONLY: bc_cs_t_val, chem_species, cs_name, &
220	emissions_anthropogenic, emiss_read_legacy_mode, &
221	n_matched_vars
222
223	USE chemistry_model_mod, &
224	ONLY: chem_boundary_conds
225
226	USE control_parameters, &
227	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
228	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
229	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
230	constant_flux_layer, constant_heatflux, create_disturbances, &
231	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
232	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
233	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
234	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
235	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
236	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
237	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
238	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
239	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
240	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
241	pt_slope_offset, random_heatflux, rans_mode, rans_tke_e, run_coupled, salsa, &
242	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
243	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
244	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
245	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
246	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
247	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
248	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
249	turbulent_inflow, turbulent_outflow, urban_surface, &
250	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
251	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca, timestep_count
252
253	USE cpulog, &
254	ONLY: cpu_log, log_point, log_point_s
255
256	USE diagnostic_output_quantities_mod, &
257	ONLY: doq_calculate, &
258	timestep_number_at_prev_calc
259
260	USE flight_mod, &
261	ONLY: flight_measurement
262
263	USE indices, &
264	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
265
266	USE indoor_model_mod, &
267	ONLY: dt_indoor, im_main_heatcool, time_indoor
268
269	USE interfaces
270
271	USE kinds
272
273	USE land_surface_model_mod, &
274	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
275
276	USE lagrangian_particle_model_mod, &
277	ONLY: lpm_data_output_ptseries
278
279	USE lsf_nudging_mod, &
280	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
281
282	USE module_interface, &
283	ONLY: module_interface_actions, module_interface_swap_timelevel, &
284	module_interface_boundary_conditions
285
286	USE multi_agent_system_mod, &
287	ONLY: agents_active, multi_agent_system
288
289	USE nesting_offl_mod, &
290	ONLY: nesting_offl_bc, &
291	nesting_offl_geostrophic_wind, &
292	nesting_offl_input, &
293	nesting_offl_interpolation_factor, &
294	nesting_offl_mass_conservation
295
296	USE netcdf_data_input_mod, &
297	ONLY: chem_emis, chem_emis_att
298
299	USE ocean_mod, &
300	ONLY: prho_reference
301
302	USE palm_date_time_mod, &
303	ONLY: get_date_time
304
305	USE particle_attributes, &
306	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
307
308	USE pegrid
309
310	USE pmc_interface, &
311	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
312	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
313	pmci_set_swaplevel
314
315	USE progress_bar, &
316	ONLY: finish_progress_bar, output_progress_bar
317
318	USE prognostic_equations_mod, &
319	ONLY: prognostic_equations_cache, prognostic_equations_vector
320
321	USE radiation_model_mod, &
322	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
323	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
324
325	USE salsa_mod, &
326	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
327	nbins_aerosol, ncomponents_mass, ngases_salsa, salsa_boundary_conds, &
328	salsa_emission_update, salsa_gas, salsa_gases_from_chem, skip_time_do_salsa
329
330	USE spectra_mod, &
331	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
332
333	USE statistics, &
334	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
335
336
337	USE surface_layer_fluxes_mod, &
338	ONLY: surface_layer_fluxes
339
340	USE surface_data_output_mod, &
341	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
342	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
343	skip_time_dosurf_av, time_dosurf, time_dosurf_av
344
345	USE surface_mod, &
346	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
347
348	USE synthetic_turbulence_generator_mod, &
349	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
350	time_stg_adjust, time_stg_call, use_syn_turb_gen
351
352	USE turbulence_closure_mod, &
353	ONLY: tcm_diffusivities
354
355	USE urban_surface_mod, &
356	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
357	usm_surface_energy_balance, usm_green_heat_model
358
359	USE vertical_nesting_mod, &
360	ONLY: vnested, vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
361	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init, vnest_init_fine, &
362	vnest_start_time
363
364	USE virtual_measurement_mod, &
365	ONLY: dt_virtual_measurement, &
366	time_virtual_measurement, &
367	vm_data_output, &
368	vm_sampling, &
369	vm_time_start
370
371
372	#if defined( _OPENACC )
373	USE arrays_3d, &
374	ONLY: d, dd2zu, ddzu, ddzw, drho_air, drho_air_zw, dzw, heatflux_output_conversion, kh, &
375	km, momentumflux_output_conversion, p, ptdf_x, ptdf_y, rdf, rdf_sc, rho_air, &
376	rho_air_zw, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, u_stokes_zu, vg, &
377	v_init, v_stokes_zu, zu
378
379	USE control_parameters, &
380	ONLY: tsc
381
382	USE indices, &
383	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
384
385	USE statistics, &
386	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
387	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
388	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
389	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l
390
391	USE surface_mod, &
392	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
393	#endif
394
395
396	IMPLICIT NONE
397
398	CHARACTER (LEN=9) :: time_to_string !<
399
400	INTEGER(iwp) :: hour !< hour of current time
401	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
402	INTEGER(iwp) :: ib !< index for aerosol size bins
403	INTEGER(iwp) :: ic !< index for aerosol mass bins
404	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
405	INTEGER(iwp) :: ig !< index for salsa gases
406	INTEGER(iwp) :: lsp !<
407	INTEGER(iwp) :: lsp_usr !<
408	INTEGER(iwp) :: mid !< masked output running index
409	INTEGER(iwp) :: n !< loop counter for chemistry species
410
411	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
412	!< steering of run control output interval
413	REAL(wp) :: time_since_reference_point_save !< original value of
414	!< time_since_reference_point
415
416
417	!
418	!-- Copy data from arrays_3d
419	!$ACC DATA &
420	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
421	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
422	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
423	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
424	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
425	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
426	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
427	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
428	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
429	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
430
431	!$ACC DATA &
432	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
433	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
434	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
435	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
436	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
437	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
438	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
439	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
440	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
441	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
442	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
443	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
444	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
445
446	!$ACC DATA &
447	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
448	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
449	!$ACC COPYIN(zu(nzb:nzt+1)) &
450	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
451	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
452	!$ACC COPYIN(ddzw(1:nzt+1)) &
453	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
454	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
455	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
456	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
457	!$ACC COPYIN(ref_state(0:nz+1)) &
458	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
459	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
460	!$ACC COPYIN(pt_init(0:nz+1)) &
461	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
462
463	!
464	!-- Copy data from control_parameters
465	!$ACC DATA &
466	!$ACC COPYIN(tsc(1:5))
467
468	!
469	!-- Copy data from indices
470	!$ACC DATA &
471	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
472	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
473	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
474
475	!
476	!-- Copy data from surface_mod
477	!$ACC DATA &
478	!$ACC COPYIN(bc_h(0:1)) &
479	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
480	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
481	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
482	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
483	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
484	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
485
486	!
487	!-- Copy data from statistics
488	!$ACC DATA &
489	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
490	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
491	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
492	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
493	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
494	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
495	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
496	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
497	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
498	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
499	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
500	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
501	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
502	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
503	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
504	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
505	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
506	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
507	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
508
509	#if defined( _OPENACC )
510	CALL enter_surface_arrays
511	#endif
512
513	!
514	!-- At beginning determine the first time step
515	CALL timestep
516	!
517	!-- Synchronize the timestep in case of nested run.
518	IF ( nested_run ) THEN
519	!
520	!-- Synchronization by unifying the time step.
521	!-- Global minimum of all time-steps is used for all.
522	CALL pmci_synchronize
523	ENDIF
524
525	!
526	!-- Determine and print out the run control quantities before the first time
527	!-- step of this run. For the initial run, some statistics (e.g. divergence)
528	!-- need to be determined first --> CALL flow_statistics at the beginning of
529	!-- run_control
530	CALL run_control
531	!
532	!-- Data exchange between coupled models in case that a call has been omitted
533	!-- at the end of the previous run of a job chain.
534	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
535	!
536	!-- In case of model termination initiated by the local model the coupler
537	!-- must not be called because this would again cause an MPI hang.
538	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
539	CALL surface_coupler
540	time_coupling = time_coupling - dt_coupling
541	ENDDO
542	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
543	time_coupling = time_since_reference_point
544	ENDIF
545	ENDIF
546
547	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
548
549	!
550	!-- Start of the time loop
551	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
552
553	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
554	!
555	!-- Vertical nesting: initialize fine grid
556	IF ( vnested ) THEN
557	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
558	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
559	CALL vnest_init_fine
560	vnest_init = .TRUE.
561	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
562	ENDIF
563	ENDIF
564	!
565	!-- Determine ug, vg and w_subs in dependence on data from external file
566	!-- LSF_DATA
567	IF ( large_scale_forcing .AND. lsf_vert ) THEN
568	CALL ls_forcing_vert ( simulated_time )
569	sums_ls_l = 0.0_wp
570	ENDIF
571
572	!
573	!-- Set pt_init and q_init to the current profiles taken from
574	!-- NUDGING_DATA
575	IF ( nudging ) THEN
576	CALL nudge_ref ( simulated_time )
577	!
578	!-- Store temperature gradient at the top boundary for possible Neumann
579	!-- boundary condition
580	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
581	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
582	IF ( air_chemistry ) THEN
583	DO lsp = 1, nvar
584	bc_cs_t_val = ( chem_species(lsp)%conc_pr_init(nzt+1) &
585	- chem_species(lsp)%conc_pr_init(nzt) ) &
586	/ dzu(nzt+1)
587	ENDDO
588	ENDIF
589	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
590	DO ib = 1, nbins_aerosol
591	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
592	dzu(nzt+1)
593	DO ic = 1, ncomponents_mass
594	icc = ( ic - 1 ) * nbins_aerosol + ib
595	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
596	dzu(nzt+1)
597	ENDDO
598	ENDDO
599	IF ( .NOT. salsa_gases_from_chem ) THEN
600	DO ig = 1, ngases_salsa
601	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
602	dzu(nzt+1)
603	ENDDO
604	ENDIF
605	ENDIF
606	ENDIF
607	!
608	!-- Input of boundary data.
609	IF ( nesting_offline ) CALL nesting_offl_input
610	!
611	!-- Execute all other module actions routines
612	CALL module_interface_actions( 'before_timestep' )
613
614	!-- Start of intermediate step loop
615	intermediate_timestep_count = 0
616	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
617
618	intermediate_timestep_count = intermediate_timestep_count + 1
619
620	!
621	!-- Set the steering factors for the prognostic equations which depend
622	!-- on the timestep scheme
623	CALL timestep_scheme_steering
624
625	!
626	!-- Calculate those variables needed in the tendency terms which need
627	!-- global communication
628	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
629	THEN
630	!
631	!-- Horizontally averaged profiles to be used as reference state in
632	!-- buoyancy terms (WARNING: only the respective last call of
633	!-- calc_mean_profile defines the reference state!)
634	IF ( .NOT. neutral ) THEN
635	CALL calc_mean_profile( pt, 4 )
636	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
637	ENDIF
638	IF ( ocean_mode ) THEN
639	CALL calc_mean_profile( rho_ocean, 64 )
640	ref_state(:) = hom(:,1,64,0)
641	ENDIF
642	IF ( humidity ) THEN
643	CALL calc_mean_profile( vpt, 44 )
644	ref_state(:) = hom(:,1,44,0)
645	ENDIF
646	!
647	!-- Assure that ref_state does not become zero at any level
648	!-- ( might be the case if a vertical level is completely occupied
649	!-- with topography ).
650	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
651	ENDIF
652
653	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
654	THEN
655	CALL ws_statistics
656	ENDIF
657	!
658	!-- In case of nudging calculate current nudging time scale and horizontal
659	!-- means of u, v, pt and q
660	IF ( nudging ) THEN
661	CALL calc_tnudge( simulated_time )
662	CALL calc_mean_profile( u, 1 )
663	CALL calc_mean_profile( v, 2 )
664	CALL calc_mean_profile( pt, 4 )
665	CALL calc_mean_profile( q, 41 )
666	ENDIF
667	!
668	!-- Execute all other module actions routunes
669	CALL module_interface_actions( 'before_prognostic_equations' )
670	!
671	!-- Solve the prognostic equations. A fast cache optimized version with
672	!-- only one single loop is used in case of Piascek-Williams advection
673	!-- scheme. NEC vector machines use a different version, because
674	!-- in the other versions a good vectorization is prohibited due to
675	!-- inlining problems.
676	IF ( loop_optimization == 'cache' ) THEN
677	CALL prognostic_equations_cache
678	ELSEIF ( loop_optimization == 'vector' ) THEN
679	CALL prognostic_equations_vector
680	ENDIF
681	!
682	!-- Movement of agents in multi agent system
683	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
684	time_since_reference_point <= multi_agent_system_end .AND. &
685	intermediate_timestep_count == 1 ) &
686	THEN
687	CALL multi_agent_system
688	first_call_mas = .FALSE.
689	ENDIF
690
691	!
692	!-- Exchange of ghost points (lateral boundary conditions)
693	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
694
695	CALL exchange_horiz( u_p, nbgp )
696	CALL exchange_horiz( v_p, nbgp )
697	CALL exchange_horiz( w_p, nbgp )
698	CALL exchange_horiz( pt_p, nbgp )
699	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
700	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
701	.OR. use_sgs_for_particles ) THEN
702	IF ( rans_tke_e ) THEN
703	CALL exchange_horiz( diss_p, nbgp )
704	ELSE
705	CALL exchange_horiz( diss, nbgp )
706	ENDIF
707	ENDIF
708	IF ( ocean_mode ) THEN
709	CALL exchange_horiz( sa_p, nbgp )
710	CALL exchange_horiz( rho_ocean, nbgp )
711	CALL exchange_horiz( prho, nbgp )
712	ENDIF
713	IF ( humidity ) THEN
714	CALL exchange_horiz( q_p, nbgp )
715	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
716	CALL exchange_horiz( qc_p, nbgp )
717	CALL exchange_horiz( nc_p, nbgp )
718	ENDIF
719	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
720	CALL exchange_horiz( qr_p, nbgp )
721	CALL exchange_horiz( nr_p, nbgp )
722	ENDIF
723	ENDIF
724	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
725	IF ( air_chemistry ) THEN
726	DO lsp = 1, nvar
727	CALL exchange_horiz( chem_species(lsp)%conc_p, nbgp )
728	ENDDO
729	ENDIF
730
731	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
732	DO ib = 1, nbins_aerosol
733	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp )
734	DO ic = 1, ncomponents_mass
735	icc = ( ic - 1 ) * nbins_aerosol + ib
736	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp )
737	ENDDO
738	ENDDO
739	IF ( .NOT. salsa_gases_from_chem ) THEN
740	DO ig = 1, ngases_salsa
741	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp )
742	ENDDO
743	ENDIF
744	ENDIF
745	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
746
747	!
748	!-- Boundary conditions for the prognostic quantities (except of the
749	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
750	!-- boundary conditions for module-specific variables
751	CALL module_interface_boundary_conditions
752	!
753	!-- Incrementing timestep counter
754	timestep_count = timestep_count + 1
755
756	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
757	!
758	!-- Set the swap level for all modules
759	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
760	!
761	!-- Set the swap level for steering the pmc data transfer
762	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
763
764	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
765
766	!
767	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
768	IF ( vnest_init ) THEN
769	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
770	CALL vnest_anterpolate
771	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
772	ENDIF
773
774	IF ( nested_run ) THEN
775
776	CALL cpu_log( log_point(60), 'nesting', 'start' )
777	!
778	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
779	!-- and pmci_child_datatrans are called inside the wrapper
780	!-- subroutine pmci_datatrans according to the control parameters
781	!-- nesting_mode and nesting_datatransfer_mode.
782	!-- TO_DO: why is nesting_mode given as a parameter here?
783	CALL pmci_datatrans( nesting_mode )
784
785	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
786
787	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
788	!
789	!-- Exchange_horiz is needed for all parent-domains after the
790	!-- anterpolation
791	CALL exchange_horiz( u, nbgp )
792	CALL exchange_horiz( v, nbgp )
793	CALL exchange_horiz( w, nbgp )
794	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
795
796	IF ( humidity ) THEN
797
798	CALL exchange_horiz( q, nbgp )
799
800	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
801	CALL exchange_horiz( qc, nbgp )
802	CALL exchange_horiz( nc, nbgp )
803	ENDIF
804	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
805	CALL exchange_horiz( qr, nbgp )
806	CALL exchange_horiz( nr, nbgp )
807	ENDIF
808
809	ENDIF
810
811	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
812
813	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
814
815	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
816	CALL exchange_horiz( diss, nbgp )
817	ENDIF
818
819	IF ( air_chemistry ) THEN
820	DO n = 1, nvar
821	CALL exchange_horiz( chem_species(n)%conc, nbgp )
822	ENDDO
823	ENDIF
824
825	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
826	DO ib = 1, nbins_aerosol
827	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp )
828	DO ic = 1, ncomponents_mass
829	icc = ( ic - 1 ) * nbins_aerosol + ib
830	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp )
831	ENDDO
832	ENDDO
833	IF ( .NOT. salsa_gases_from_chem ) THEN
834	DO ig = 1, ngases_salsa
835	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp )
836	ENDDO
837	ENDIF
838	ENDIF
839	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
840
841	ENDIF
842
843	!
844	!-- Set boundary conditions again after interpolation and anterpolation.
845	CALL pmci_boundary_conds
846
847	!
848	!-- Set chemistry boundary conditions (decycling)
849	IF ( air_chemistry ) THEN
850	DO lsp = 1, nvar
851	lsp_usr = 1
852	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
853	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
854	CALL chem_boundary_conds( chem_species(lsp)%conc, &
855	chem_species(lsp)%conc_pr_init )
856	ENDIF
857	lsp_usr = lsp_usr + 1
858	ENDDO
859	ENDDO
860	ENDIF
861
862	!
863	!-- Set SALSA boundary conditions (decycling)
864	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
865	DO ib = 1, nbins_aerosol
866	CALL salsa_boundary_conds( aerosol_number(ib)%conc, aerosol_number(ib)%init )
867	DO ic = 1, ncomponents_mass
868	icc = ( ic - 1 ) * nbins_aerosol + ib
869	CALL salsa_boundary_conds( aerosol_mass(icc)%conc, aerosol_mass(icc)%init )
870	ENDDO
871	ENDDO
872	IF ( .NOT. salsa_gases_from_chem ) THEN
873	DO ig = 1, ngases_salsa
874	CALL salsa_boundary_conds( salsa_gas(ig)%conc, salsa_gas(ig)%init )
875	ENDDO
876	ENDIF
877	ENDIF
878
879	CALL cpu_log( log_point(60), 'nesting', 'stop' )
880
881	ENDIF
882
883	!
884	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
885	!-- when a sloping surface is used
886	IF ( sloping_surface ) THEN
887	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
888	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
889	ENDIF
890
891	!
892	!-- Impose a turbulent inflow using the recycling method
893	IF ( turbulent_inflow ) CALL inflow_turbulence
894
895	!
896	!-- Set values at outflow boundary using the special outflow condition
897	IF ( turbulent_outflow ) CALL outflow_turbulence
898
899	!
900	!-- Impose a random perturbation on the horizontal velocity field
901	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
902	intermediate_timestep_count == intermediate_timestep_count_max ) &
903	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
904	THEN
905	time_disturb = time_disturb + dt_3d
906	IF ( time_disturb >= dt_disturb ) THEN
907	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
908	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
909	CALL disturb_field( 'u', tend, u )
910	CALL disturb_field( 'v', tend, v )
911	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
912	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
913	THEN
914	!
915	!-- Runs with a non-cyclic lateral wall need perturbations
916	!-- near the inflow throughout the whole simulation
917	dist_range = 1
918	CALL disturb_field( 'u', tend, u )
919	CALL disturb_field( 'v', tend, v )
920	dist_range = 0
921	ENDIF
922	time_disturb = time_disturb - dt_disturb
923	ENDIF
924	ENDIF
925
926	!
927	!-- Map forcing data derived from larger scale model onto domain
928	!-- boundaries. Further, update geostrophic wind components.
929	IF ( nesting_offline .AND. intermediate_timestep_count == &
930	intermediate_timestep_count_max ) THEN
931	!-- Determine interpolation factor before boundary conditions and geostrophic wind
932	!-- is updated.
933	CALL nesting_offl_interpolation_factor
934	CALL nesting_offl_bc
935	CALL nesting_offl_geostrophic_wind
936	ENDIF
937	!
938	!-- Impose a turbulent inflow using synthetic generated turbulence.
939	IF ( use_syn_turb_gen .AND. &
940	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
941	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
942	CALL stg_main
943	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
944	ENDIF
945	!
946	!-- Ensure mass conservation. This need to be done after imposing
947	!-- synthetic turbulence and top boundary condition for pressure is set to
948	!-- Neumann conditions.
949	!-- Is this also required in case of Dirichlet?
950	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
951	!
952	!-- Reduce the velocity divergence via the equation for perturbation
953	!-- pressure.
954	IF ( intermediate_timestep_count == 1 .OR. &
955	call_psolver_at_all_substeps ) THEN
956
957	IF ( vnest_init ) THEN
958	!
959	!-- Compute pressure in the CG, interpolate top boundary conditions
960	!-- to the FG and then compute pressure in the FG
961	IF ( coupling_mode == 'vnested_crse' ) CALL pres
962
963	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
964	CALL vnest_boundary_conds
965	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
966
967	IF ( coupling_mode == 'vnested_fine' ) CALL pres
968
969	!-- Anterpolate TKE, satisfy Germano Identity
970	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
971	CALL vnest_anterpolate_e
972	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
973
974	ELSE
975	!
976	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
977	IF ( child_domain ) THEN
978	IF ( nesting_mode == 'vertical' ) THEN
979	CALL pmci_ensure_nest_mass_conservation_vertical
980	ELSE
981	CALL pmci_ensure_nest_mass_conservation
982	ENDIF
983	ENDIF
984
985	CALL pres
986
987	ENDIF
988
989	ENDIF
990	!
991	!-- Particle transport/physics with the Lagrangian particle model
992	!-- (only once during intermediate steps, because it uses an Euler-step)
993	!-- ### particle model should be moved before prognostic_equations, in order
994	!-- to regard droplet interactions directly
995
996	CALL module_interface_actions( 'after_pressure_solver' )
997	!
998	!-- Interaction of droplets with temperature and mixing ratio.
999	!-- Droplet condensation and evaporation is calculated within
1000	!-- advec_particles.
1001	!
1002	!-- If required, compute liquid water content
1003	IF ( bulk_cloud_model ) THEN
1004	CALL calc_liquid_water_content
1005	ENDIF
1006	!
1007	!-- If required, compute virtual potential temperature
1008	IF ( humidity ) THEN
1009	CALL compute_vpt
1010	ENDIF
1011
1012	!
1013	!-- Compute the diffusion quantities
1014	IF ( .NOT. constant_diffusion ) THEN
1015
1016	!
1017	!-- Determine surface fluxes shf and qsws and surface values
1018	!-- pt_surface and q_surface in dependence on data from external
1019	!-- file LSF_DATA respectively
1020	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
1021	intermediate_timestep_count == intermediate_timestep_count_max ) &
1022	THEN
1023	CALL ls_forcing_surf( simulated_time )
1024	ENDIF
1025
1026	!
1027	!-- First the vertical (and horizontal) fluxes in the surface
1028	!-- (constant flux) layer are computed
1029	IF ( constant_flux_layer ) THEN
1030	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
1031	CALL surface_layer_fluxes
1032	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
1033	ENDIF
1034	!
1035	!-- If required, solve the energy balance for the surface and run soil
1036	!-- model. Call for horizontal as well as vertical surfaces
1037	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
1038
1039	CALL cpu_log( log_point(54), 'land_surface', 'start' )
1040	!
1041	!-- Call for horizontal upward-facing surfaces
1042	CALL lsm_energy_balance( .TRUE., -1 )
1043	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
1044	!
1045	!-- Call for northward-facing surfaces
1046	CALL lsm_energy_balance( .FALSE., 0 )
1047	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
1048	!
1049	!-- Call for southward-facing surfaces
1050	CALL lsm_energy_balance( .FALSE., 1 )
1051	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
1052	!
1053	!-- Call for eastward-facing surfaces
1054	CALL lsm_energy_balance( .FALSE., 2 )
1055	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
1056	!
1057	!-- Call for westward-facing surfaces
1058	CALL lsm_energy_balance( .FALSE., 3 )
1059	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
1060
1061	!
1062	!-- At the end, set boundary conditons for potential temperature
1063	!-- and humidity after running the land-surface model. This
1064	!-- might be important for the nesting, where arrays are transfered.
1065	CALL lsm_boundary_condition
1066
1067
1068	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
1069	ENDIF
1070	!
1071	!-- If required, solve the energy balance for urban surfaces and run
1072	!-- the material heat model
1073	IF (urban_surface) THEN
1074	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
1075
1076	CALL usm_surface_energy_balance( .FALSE. )
1077	IF ( usm_material_model ) THEN
1078	CALL usm_green_heat_model
1079	CALL usm_material_heat_model ( .FALSE. )
1080	ENDIF
1081
1082	!
1083	!-- At the end, set boundary conditons for potential temperature
1084	!-- and humidity after running the urban-surface model. This
1085	!-- might be important for the nesting, where arrays are transfered.
1086	CALL usm_boundary_condition
1087
1088	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
1089	ENDIF
1090	!
1091	!-- Compute the diffusion coefficients
1092	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
1093	IF ( .NOT. humidity ) THEN
1094	IF ( ocean_mode ) THEN
1095	CALL tcm_diffusivities( prho, prho_reference )
1096	ELSE
1097	CALL tcm_diffusivities( pt, pt_reference )
1098	ENDIF
1099	ELSE
1100	CALL tcm_diffusivities( vpt, pt_reference )
1101	ENDIF
1102	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
1103	!
1104	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
1105	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
1106
1107	ENDIF
1108
1109	ENDDO ! Intermediate step loop
1110
1111	!
1112	!-- Will be used at some point by flow_statistics.
1113	!$ACC UPDATE &
1114	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
1115	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
1116	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
1117	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
1118	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
1119	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
1120	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
1121	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
1122	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
1123	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
1124	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
1125	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
1126	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
1127	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
1128	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
1129
1130	!
1131	!-- If required, calculate radiative fluxes and heating rates
1132	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
1133
1134	time_radiation = time_radiation + dt_3d
1135
1136	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
1137
1138	CALL cpu_log( log_point(50), 'radiation', 'start' )
1139
1140	IF ( .NOT. force_radiation_call ) THEN
1141	time_radiation = time_radiation - dt_radiation
1142	ENDIF
1143
1144	!
1145	!-- Adjust the current time to the time step of the radiation model.
1146	!-- Needed since radiation is pre-calculated and stored only on apparent
1147	!-- solar positions
1148	time_since_reference_point_save = time_since_reference_point
1149	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
1150	dt_radiation ), wp ) * dt_radiation
1151
1152	CALL radiation_control
1153
1154	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
1155	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
1156	CALL radiation_interaction
1157	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
1158	ENDIF
1159
1160	!
1161	!-- Return the current time to its original value
1162	time_since_reference_point = time_since_reference_point_save
1163
1164	CALL cpu_log( log_point(50), 'radiation', 'stop' )
1165
1166	ENDIF
1167	ENDIF
1168
1169
1170	!
1171	!-- 20200203 (ECC)
1172	!-- allows for emission update mode in legacy mode as well as on-demand mode
1173	!-- note that under on-demand mode emission update is no longer restricted to
1174	!-- an hourly frequency, but whenever the simulation time corresponds to an
1175	!-- inrement in emission timestamp value
1176
1177	!
1178	!-- If required, consider chemical emissions
1179
1180	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
1181
1182	IF ( emiss_read_legacy_mode ) THEN
1183	!
1184	!-- get hourly index and updates emission data when the hour is passed
1185
1186	CALL get_date_time( time_since_reference_point, hour=hour )
1187
1188	IF ( hour_call_emis /= hour ) THEN
1189
1190	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
1191	hour_call_emis = hour
1192
1193	ENDIF
1194
1195	ELSE
1196
1197	CALL chem_emissions_update_on_demand
1198
1199	ENDIF
1200
1201	ENDIF
1202
1203
1204	!
1205	!-- If required, consider aerosol emissions for the salsa model
1206	IF ( salsa ) THEN
1207	!
1208	!-- Call emission routine to update emissions if needed
1209	CALL salsa_emission_update
1210
1211	ENDIF
1212	!
1213	!-- If required, calculate indoor temperature, waste heat, heat flux
1214	!-- through wall, etc.
1215	!-- dt_indoor steers the frequency of the indoor model calculations.
1216	!-- Note, at first timestep indoor model is called, in order to provide
1217	!-- a waste heat flux.
1218	IF ( indoor_model ) THEN
1219
1220	time_indoor = time_indoor + dt_3d
1221
1222	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
1223
1224	time_indoor = time_indoor - dt_indoor
1225
1226	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
1227	CALL im_main_heatcool
1228	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
1229
1230	ENDIF
1231	ENDIF
1232	!
1233	!-- Increase simulation time and output times
1234	nr_timesteps_this_run = nr_timesteps_this_run + 1
1235	current_timestep_number = current_timestep_number + 1
1236	simulated_time = simulated_time + dt_3d
1237	time_since_reference_point = simulated_time - coupling_start_time
1238	simulated_time_chr = time_to_string( time_since_reference_point )
1239
1240
1241	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
1242	time_do_av = time_do_av + dt_3d
1243	ENDIF
1244	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
1245	time_do2d_xy = time_do2d_xy + dt_3d
1246	ENDIF
1247	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
1248	time_do2d_xz = time_do2d_xz + dt_3d
1249	ENDIF
1250	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
1251	time_do2d_yz = time_do2d_yz + dt_3d
1252	ENDIF
1253	IF ( time_since_reference_point >= skip_time_do3d ) THEN
1254	time_do3d = time_do3d + dt_3d
1255	ENDIF
1256	DO mid = 1, masks
1257	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
1258	time_domask(mid)= time_domask(mid) + dt_3d
1259	ENDIF
1260	ENDDO
1261	IF ( time_since_reference_point >= skip_time_dosp ) THEN
1262	time_dosp = time_dosp + dt_3d
1263	ENDIF
1264	time_dots = time_dots + dt_3d
1265	IF ( .NOT. first_call_lpm ) THEN
1266	time_dopts = time_dopts + dt_3d
1267	ENDIF
1268	IF ( time_since_reference_point >= skip_time_dopr ) THEN
1269	time_dopr = time_dopr + dt_3d
1270	ENDIF
1271	time_dopr_listing = time_dopr_listing + dt_3d
1272	time_run_control = time_run_control + dt_3d
1273	!
1274	!-- Increment time-counter for surface output
1275	IF ( surface_output ) THEN
1276	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
1277	time_dosurf = time_dosurf + dt_3d
1278	ENDIF
1279	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
1280	time_dosurf_av = time_dosurf_av + dt_3d
1281	ENDIF
1282	ENDIF
1283	!
1284	!-- Increment time-counter for virtual measurements
1285	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
1286	time_virtual_measurement = time_virtual_measurement + dt_3d
1287	ENDIF
1288	!
1289	!-- In case of synthetic turbulence generation and parametrized turbulence
1290	!-- information, update the time counter and if required, adjust the
1291	!-- STG to new atmospheric conditions.
1292	IF ( use_syn_turb_gen ) THEN
1293	IF ( parametrize_inflow_turbulence ) THEN
1294	time_stg_adjust = time_stg_adjust + dt_3d
1295	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
1296	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1297	CALL stg_adjust
1298	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1299	ENDIF
1300	ENDIF
1301	time_stg_call = time_stg_call + dt_3d
1302	ENDIF
1303
1304	!
1305	!-- Data exchange between coupled models
1306	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
1307	time_coupling = time_coupling + dt_3d
1308
1309	!
1310	!-- In case of model termination initiated by the local model
1311	!-- (terminate_coupled > 0), the coupler must be skipped because it would
1312	!-- cause an MPI intercomminucation hang.
1313	!-- If necessary, the coupler will be called at the beginning of the
1314	!-- next restart run.
1315	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
1316	CALL surface_coupler
1317	time_coupling = time_coupling - dt_coupling
1318	ENDDO
1319	ENDIF
1320
1321	!
1322	!-- Biometeorology calculation of stationary thermal indices
1323	!-- Todo (kanani): biometeorology needs own time_... treatment.
1324	!-- It might be that time_do2d_xy differs from time_do3d,
1325	!-- and then we might get trouble with the biomet output,
1326	!-- because we can have 2d and/or 3d biomet output!!
1327	IF ( biometeorology &
1328	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
1329	.OR. &
1330	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
1331	) ) THEN
1332	!
1333	!-- If required, do thermal comfort calculations
1334	IF ( thermal_comfort ) THEN
1335	CALL bio_calculate_thermal_index_maps ( .FALSE. )
1336	ENDIF
1337	!
1338	!-- If required, do UV exposure calculations
1339	IF ( uv_exposure ) THEN
1340	CALL bio_calculate_uv_exposure
1341	ENDIF
1342	ENDIF
1343
1344	!
1345	!-- Execute alle other module actions routunes
1346	CALL module_interface_actions( 'after_integration' )
1347
1348	!
1349	!-- If Galilei transformation is used, determine the distance that the
1350	!-- model has moved so far
1351	IF ( galilei_transformation ) THEN
1352	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
1353	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
1354	ENDIF
1355
1356	!
1357	!-- Check, if restart is necessary (because cpu-time is expiring or
1358	!-- because it is forced by user) and set stop flag
1359	!-- This call is skipped if the remote model has already initiated a restart.
1360	IF ( .NOT. terminate_run ) CALL check_for_restart
1361
1362	!
1363	!-- Carry out statistical analysis and output at the requested output times.
1364	!-- The MOD function is used for calculating the output time counters (like
1365	!-- time_dopr) in order to regard a possible decrease of the output time
1366	!-- interval in case of restart runs
1367
1368	!
1369	!-- Set a flag indicating that so far no statistics have been created
1370	!-- for this time step
1371	flow_statistics_called = .FALSE.
1372
1373	!
1374	!-- If required, call flow_statistics for averaging in time
1375	IF ( averaging_interval_pr /= 0.0_wp .AND. &
1376	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
1377	time_since_reference_point >= skip_time_dopr ) THEN
1378	time_dopr_av = time_dopr_av + dt_3d
1379	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
1380	do_sum = .TRUE.
1381	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
1382	ENDIF
1383	ENDIF
1384	IF ( do_sum ) CALL flow_statistics
1385
1386	!
1387	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
1388	IF ( averaging_interval /= 0.0_wp .AND. &
1389	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
1390	time_since_reference_point >= skip_time_data_output_av ) &
1391	THEN
1392	time_do_sla = time_do_sla + dt_3d
1393	IF ( time_do_sla >= dt_averaging_input ) THEN
1394	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1395	CALL doq_calculate
1396
1397	CALL sum_up_3d_data
1398	average_count_3d = average_count_3d + 1
1399	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
1400	ENDIF
1401	ENDIF
1402	!
1403	!-- Average surface data
1404	IF ( surface_output ) THEN
1405	IF ( averaging_interval_surf /= 0.0_wp &
1406	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
1407	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1408	IF ( time_dosurf_av >= dt_averaging_input ) THEN
1409	CALL surface_data_output_averaging
1410	average_count_surf = average_count_surf + 1
1411	ENDIF
1412	ENDIF
1413	ENDIF
1414
1415	!
1416	!-- Calculate spectra for time averaging
1417	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
1418	.AND. time_since_reference_point >= skip_time_dosp ) THEN
1419	time_dosp_av = time_dosp_av + dt_3d
1420	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
1421	CALL calc_spectra
1422	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
1423	ENDIF
1424	ENDIF
1425
1426	!
1427	!-- Call flight module and output data
1428	IF ( virtual_flight ) THEN
1429	CALL flight_measurement
1430	CALL data_output_flight
1431	ENDIF
1432	!
1433	!-- Take virtual measurements
1434	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
1435	.AND. vm_time_start <= time_since_reference_point ) THEN
1436	CALL vm_sampling
1437	CALL vm_data_output
1438	time_virtual_measurement = MOD( time_virtual_measurement, &
1439	MAX( dt_virtual_measurement, dt_3d ) )
1440	ENDIF
1441	!
1442	!-- Profile output (ASCII) on file
1443	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
1444	CALL print_1d
1445	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
1446	ENDIF
1447
1448	!
1449	!-- Graphic output for PROFIL
1450	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
1451	IF ( dopr_n /= 0 ) CALL data_output_profiles
1452	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
1453	time_dopr_av = 0.0_wp ! due to averaging (see above)
1454	ENDIF
1455
1456	!
1457	!-- Graphic output for time series
1458	IF ( time_dots >= dt_dots ) THEN
1459	CALL data_output_tseries
1460	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
1461	ENDIF
1462
1463	!
1464	!-- Output of spectra (formatted for use with PROFIL), in case of no
1465	!-- time averaging, spectra has to be calculated before
1466	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
1467	IF ( average_count_sp == 0 ) CALL calc_spectra
1468	CALL data_output_spectra
1469	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
1470	ENDIF
1471
1472	!
1473	!-- 2d-data output (cross-sections)
1474	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
1475	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1476	CALL doq_calculate
1477
1478	CALL data_output_2d( 'xy', 0 )
1479	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
1480	ENDIF
1481	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
1482	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1483
1484	CALL doq_calculate
1485	CALL data_output_2d( 'xz', 0 )
1486	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
1487	ENDIF
1488	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
1489	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1490	CALL doq_calculate
1491
1492	CALL data_output_2d( 'yz', 0 )
1493	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
1494	ENDIF
1495
1496	!
1497	!-- 3d-data output (volume data)
1498	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
1499	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1500	CALL doq_calculate
1501
1502	CALL data_output_3d( 0 )
1503	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
1504	ENDIF
1505
1506	!
1507	!-- Masked data output
1508	DO mid = 1, masks
1509	IF ( time_domask(mid) >= dt_domask(mid) &
1510	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
1511	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1512	CALL doq_calculate
1513
1514	CALL data_output_mask( 0, mid )
1515	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
1516	ENDIF
1517	ENDDO
1518
1519	!
1520	!-- Output of time-averaged 2d/3d/masked data
1521	IF ( time_do_av >= dt_data_output_av &
1522	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
1523	CALL average_3d_data
1524	!
1525	!-- Udate thermal comfort indices based on updated averaged input
1526	IF ( biometeorology .AND. thermal_comfort ) THEN
1527	CALL bio_calculate_thermal_index_maps ( .TRUE. )
1528	ENDIF
1529	CALL data_output_2d( 'xy', 1 )
1530	CALL data_output_2d( 'xz', 1 )
1531	CALL data_output_2d( 'yz', 1 )
1532	CALL data_output_3d( 1 )
1533	DO mid = 1, masks
1534	CALL data_output_mask( 1, mid )
1535	ENDDO
1536	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
1537	ENDIF
1538	!
1539	!-- Output of surface data, instantaneous and averaged data
1540	IF ( surface_output ) THEN
1541	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
1542	CALL surface_data_output( 0 )
1543	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
1544	ENDIF
1545	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1546	CALL surface_data_output( 1 )
1547	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
1548	ENDIF
1549	ENDIF
1550
1551	!
1552	!-- Output of particle time series
1553	IF ( particle_advection ) THEN
1554	IF ( time_dopts >= dt_dopts .OR. &
1555	( time_since_reference_point >= particle_advection_start .AND. &
1556	first_call_lpm ) ) THEN
1557	CALL lpm_data_output_ptseries
1558	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
1559	ENDIF
1560	ENDIF
1561
1562	!
1563	!-- If required, set the heat flux for the next time step to a random value
1564	IF ( constant_heatflux .AND. random_heatflux ) THEN
1565	IF ( surf_def_h(0)%ns >= 1 ) THEN
1566	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1567	CALL disturb_heatflux( surf_def_h(0) )
1568	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1569	ENDIF
1570	IF ( surf_lsm_h%ns >= 1 ) THEN
1571	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1572	CALL disturb_heatflux( surf_lsm_h )
1573	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1574	ENDIF
1575	IF ( surf_usm_h%ns >= 1 ) THEN
1576	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1577	CALL disturb_heatflux( surf_usm_h )
1578	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1579	ENDIF
1580	ENDIF
1581
1582	!
1583	!-- Execute alle other module actions routunes
1584	CALL module_interface_actions( 'after_timestep' )
1585
1586	!
1587	!-- Determine size of next time step. Save timestep dt_3d because it is
1588	!-- newly calculated in routine timestep, but required further below for
1589	!-- steering the run control output interval
1590	dt_3d_old = dt_3d
1591	CALL timestep
1592
1593	!
1594	!-- Synchronize the timestep in case of nested run.
1595	IF ( nested_run ) THEN
1596	!
1597	!-- Synchronize by unifying the time step.
1598	!-- Global minimum of all time-steps is used for all.
1599	CALL pmci_synchronize
1600	ENDIF
1601
1602	!
1603	!-- Computation and output of run control parameters.
1604	!-- This is also done whenever perturbations have been imposed
1605	IF ( time_run_control >= dt_run_control .OR. &
1606	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
1607	THEN
1608	CALL run_control
1609	IF ( time_run_control >= dt_run_control ) THEN
1610	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
1611	ENDIF
1612	ENDIF
1613
1614	!
1615	!-- Output elapsed simulated time in form of a progress bar on stdout
1616	IF ( myid == 0 ) CALL output_progress_bar
1617
1618	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
1619
1620
1621	ENDDO ! time loop
1622
1623	#if defined( _OPENACC )
1624	CALL exit_surface_arrays
1625	#endif
1626	!$ACC END DATA
1627	!$ACC END DATA
1628	!$ACC END DATA
1629	!$ACC END DATA
1630	!$ACC END DATA
1631	!$ACC END DATA
1632	!$ACC END DATA
1633
1634	!
1635	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
1636	IF ( vnest_init ) CALL vnest_deallocate
1637
1638	IF ( myid == 0 ) CALL finish_progress_bar
1639
1640	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
1641
1642	END SUBROUTINE time_integration

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