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source: palm/trunk/SOURCE/time_integration.f90 @ 4576

Last change on this file since 4576 was 4573, checked in by oliver.maas, 4 years ago
pt_surface_heating_rate: calculate pt(0) incrementally by using dt_3d instead of calculating it absolutely by using time_since_reference_point, because time_since_reference_point is set to zero for initializing_actions = 'cyclic_fill', add statement for pt_surface_heating_rate in header.f90
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File size: 71.6 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 4573 2020-06-24 13:08:47Z pavelkrc $
27	! calculate pt(0) incrementally by using dt_3d instead of calculating it absolutely
28	! by using time_since_reference_point, because time_since_reference_point is set
29	! to zero for initializing_actions = 'cyclic_fill'
30	!
31	! 4565 2020-06-15 08:30:38Z oliver.maas
32	! added new surface temperature forcing method for bc_pt_b = 'dirichlet':
33	! surface temperature pt(0) can be linearly increased by pt_surface_heating_rate (in K/h)
34	!
35	! 4564 2020-06-12 14:03:36Z raasch
36	! Vertical nesting method of Huq et al. (2019) removed
37	!
38	! 4521 2020-05-06 11:39:49Z schwenkel
39	! Rename variable
40	!
41	! 4511 2020-04-30 12:20:40Z raasch
42	! chemistry decycling replaced by explicit setting of lateral boundary conditions
43	!
44	! 4508 2020-04-24 13:32:20Z raasch
45	! salsa decycling replaced by explicit setting of lateral boundary conditions
46	!
47	! 4502 2020-04-17 16:14:16Z schwenkel
48	! Implementation of ice microphysics
49	!
50	! 4472 2020-03-24 12:21:00Z Giersch
51	! OPENACC COPYIN directive for ddx and ddy added
52	!
53	! 4466 2020-03-20 16:14:41Z suehring
54	! Add advection fluxes to ACC copyin
55	!
56	! 4457 2020-03-11 14:20:43Z raasch
57	! use statement for exchange horiz added
58	!
59	! 4444 2020-03-05 15:59:50Z raasch
60	! bugfix: cpp-directives for serial mode added
61	!
62	! 4420 2020-02-24 14:13:56Z maronga
63	! Added output control for wind turbine model
64	!
65	! 4403 2020-02-12 13:08:46Z banzhafs
66	! Allowing both existing and on-demand emission read modes
67	!
68	! 4360 2020-01-07 11:25:50Z suehring
69	! Bugfix, hour_call_emis uninitialized at first call of time_integration
70	!
71	! 4346 2019-12-18 11:55:56Z motisi
72	! Introduction of wall_flags_total_0, which currently sets bits based on static
73	! topography information used in wall_flags_static_0
74	!
75	! 4329 2019-12-10 15:46:36Z motisi
76	! Renamed wall_flags_0 to wall_flags_static_0
77	!
78	! 4281 2019-10-29 15:15:39Z schwenkel
79	! Moved boundary conditions to module interface
80	!
81	! 4276 2019-10-28 16:03:29Z schwenkel
82	! Further modularization of lpm code components
83	!
84	! 4275 2019-10-28 15:34:55Z schwenkel
85	! Move call oft lpm to the end of intermediate timestep loop
86	!
87	! 4268 2019-10-17 11:29:38Z schwenkel
88	! Removing module specific boundary conditions an put them into their modules
89	!
90	! 4227 2019-09-10 18:04:34Z gronemeier
91	! implement new palm_date_time_mod
92	!
93	! 4226 2019-09-10 17:03:24Z suehring
94	! Changes in interface for the offline nesting
95	!
96	! 4182 2019-08-22 15:20:23Z scharf
97	! Corrected "Former revisions" section
98	!
99	! 4170 2019-08-19 17:12:31Z gronemeier
100	! copy diss, diss_p, tdiss_m to GPU
101	!
102	! 4144 2019-08-06 09:11:47Z raasch
103	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
104	!
105	! 4126 2019-07-30 11:09:11Z gronemeier
106	! renamed routine to calculate uv exposure
107	!
108	! 4111 2019-07-22 18:16:57Z suehring
109	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
110	!
111	! 4069 2019-07-01 14:05:51Z Giersch
112	! Masked output running index mid has been introduced as a local variable to
113	! avoid runtime error (Loop variable has been modified) in time_integration
114	!
115	! 4064 2019-07-01 05:33:33Z gronemeier
116	! Moved call to radiation module out of intermediate time loop
117	!
118	! 4048 2019-06-21 21:00:21Z knoop
119	! Moved production_e_init call into turbulence_closure_mod
120	!
121	! 4047 2019-06-21 18:58:09Z knoop
122	! Added remainings of swap_timelevel upon its dissolution
123	!
124	! 4043 2019-06-18 16:59:00Z schwenkel
125	! Further LPM modularization
126	!
127	! 4039 2019-06-18 10:32:41Z suehring
128	! Rename subroutines in module for diagnostic quantities
129	!
130	! 4029 2019-06-14 14:04:35Z raasch
131	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
132	! bugfix: decycling of chemistry species after nesting data transfer
133	!
134	! 4022 2019-06-12 11:52:39Z suehring
135	! Call synthetic turbulence generator at last RK3 substep right after boundary
136	! conditions are updated in offline nesting in order to assure that
137	! perturbations are always imposed
138	!
139	! 4017 2019-06-06 12:16:46Z schwenkel
140	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
141	!
142	! 3994 2019-05-22 18:08:09Z suehring
143	! output of turbulence intensity added
144	!
145	! 3988 2019-05-22 11:32:37Z kanani
146	! Implement steerable output interval for virtual measurements
147	!
148	! 3968 2019-05-13 11:04:01Z suehring
149	! replace nspec_out with n_matched_vars
150	!
151	! 3929 2019-04-24 12:52:08Z banzhafs
152	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
153	! chem_boundary_conds_decycle
154	!
155	!
156	! 3885 2019-04-11 11:29:34Z kanani
157	! Changes related to global restructuring of location messages and introduction
158	! of additional debug messages
159	!
160	! 3879 2019-04-08 20:25:23Z knoop
161	! Moved wtm_forces to module_interface_actions
162	!
163	! 3872 2019-04-08 15:03:06Z knoop
164	! Modifications made for salsa:
165	! - Call salsa_emission_update at each time step but do the checks within
166	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
167	! and next_aero_emission_update <= time_since_reference_point ).
168	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
169	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
170	! - Apply nesting for salsa variables
171	! - Removed cpu_log calls speciffic for salsa.
172	!
173	! 3833 2019-03-28 15:04:04Z forkel
174	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
175	!
176	! 3820 2019-03-27 11:53:41Z forkel
177	! renamed do_emiss to emissions_anthropogenic (ecc)
178	!
179	!
180	! 3774 2019-03-04 10:52:49Z moh.hefny
181	! rephrase if statement to avoid unallocated array in case of
182	! nesting_offline is false (crashing during debug mode)
183	!
184	! 3761 2019-02-25 15:31:42Z raasch $
185	! module section re-formatted and openacc required variables moved to separate section,
186	! re-formatting to 100 char line width
187	!
188	! 3745 2019-02-15 18:57:56Z suehring
189	! Call indoor model after first timestep
190	!
191	! 3744 2019-02-15 18:38:58Z suehring
192	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
193	! time_integration to make sure averaged input is updated before calculating.
194	!
195	! 3739 2019-02-13 08:05:17Z dom_dwd_user
196	! Removed everything related to "time_bio_results" as this is never used.
197	!
198	! 3724 2019-02-06 16:28:23Z kanani
199	! Correct double-used log_point_s unit
200	!
201	! 3719 2019-02-06 13:10:18Z kanani
202	! - removed wind_turbine cpu measurement, since same time is measured inside
203	! wtm_forces subroutine as special measures
204	! - moved the numerous vnest cpulog to special measures
205	! - extended radiation cpulog over entire radiation part,
206	! moved radiation_interactions cpulog to special measures
207	! - moved some cpu_log calls to this routine for better overview
208	!
209	! 3705 2019-01-29 19:56:39Z suehring
210	! Data output for virtual measurements added
211	!
212	! 3704 2019-01-29 19:51:41Z suehring
213	! Rename subroutines for surface-data output
214	!
215	! 3647 2019-01-02 14:10:44Z kanani
216	! Bugfix: add time_since_reference_point to IF clause for data_output calls
217	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
218	! Clean up indoor_model and biometeorology model call.
219	!
220	! Revision 1.1 1997/08/11 06:19:04 raasch
221	! Initial revision
222	!
223	!
224	! Description:
225	! ------------
226	!> Integration in time of the model equations, statistical analysis and graphic
227	!> output
228	!------------------------------------------------------------------------------!
229	SUBROUTINE time_integration
230
231
232	USE advec_ws, &
233	ONLY: ws_statistics
234
235	USE arrays_3d, &
236	ONLY: diss, diss_p, dzu, e_p, nc_p, ni_p, nr_p, prho, pt, pt_p, pt_init, q, qc_p, qr_p, &
237	q_init, q_p, qi_p, ref_state, rho_ocean, sa_p, s_p, tend, u, u_p, v, vpt, v_p, w_p
238
239	#if defined( __parallel ) && ! defined( _OPENACC )
240	USE arrays_3d, &
241	ONLY: e, nc, ni, nr, qc, qi, qr, s, w
242	#endif
243
244	USE biometeorology_mod, &
245	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
246	uv_exposure
247
248	USE bulk_cloud_model_mod, &
249	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
250	microphysics_ice_phase, microphysics_morrison, microphysics_seifert
251
252	USE calc_mean_profile_mod, &
253	ONLY: calc_mean_profile
254
255	USE chem_emissions_mod, &
256	ONLY: chem_emissions_setup, chem_emissions_update_on_demand
257
258	USE chem_gasphase_mod, &
259	ONLY: nvar
260
261	USE chem_modules, &
262	ONLY: bc_cs_t_val, chem_species, communicator_chem, emissions_anthropogenic, &
263	emiss_read_legacy_mode, n_matched_vars
264
265	USE control_parameters, &
266	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
267	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
268	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
269	constant_flux_layer, constant_heatflux, create_disturbances, &
270	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
271	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
272	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
273	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
274	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
275	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
276	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
277	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
278	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
279	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
280	pt_slope_offset, pt_surface, pt_surface_heating_rate, pt_surface_initial_change, &
281	random_heatflux, rans_tke_e, run_coupled, salsa, &
282	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
283	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
284	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
285	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
286	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
287	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
288	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
289	timestep_count, turbulent_inflow, turbulent_outflow, urban_surface, &
290	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
291	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca
292
293	#if defined( __parallel )
294	USE control_parameters, &
295	ONLY: rans_mode
296	#endif
297
298	USE cpulog, &
299	ONLY: cpu_log, log_point, log_point_s
300
301	USE diagnostic_output_quantities_mod, &
302	ONLY: doq_calculate, &
303	timestep_number_at_prev_calc
304
305	USE exchange_horiz_mod, &
306	ONLY: exchange_horiz
307
308	USE flight_mod, &
309	ONLY: flight_measurement
310
311	USE grid_variables, &
312	ONLY: ddx, ddy
313
314	USE indices, &
315	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
316
317	USE indoor_model_mod, &
318	ONLY: dt_indoor, im_main_heatcool, time_indoor
319
320	USE interfaces
321
322	USE kinds
323
324	USE land_surface_model_mod, &
325	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
326
327	USE lagrangian_particle_model_mod, &
328	ONLY: lpm_data_output_ptseries
329
330	USE lsf_nudging_mod, &
331	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
332
333	USE module_interface, &
334	ONLY: module_interface_actions, module_interface_swap_timelevel, &
335	module_interface_boundary_conditions
336
337	USE multi_agent_system_mod, &
338	ONLY: agents_active, multi_agent_system
339
340	USE nesting_offl_mod, &
341	ONLY: nesting_offl_bc, &
342	nesting_offl_geostrophic_wind, &
343	nesting_offl_input, &
344	nesting_offl_interpolation_factor, &
345	nesting_offl_mass_conservation
346
347	USE netcdf_data_input_mod, &
348	ONLY: chem_emis, chem_emis_att
349
350	USE ocean_mod, &
351	ONLY: prho_reference
352
353	USE palm_date_time_mod, &
354	ONLY: get_date_time
355
356	USE particle_attributes, &
357	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
358
359	USE pegrid
360
361	#if defined( __parallel )
362	USE pmc_interface, &
363	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
364	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
365	pmci_set_swaplevel
366	#endif
367
368	USE progress_bar, &
369	ONLY: finish_progress_bar, output_progress_bar
370
371	USE prognostic_equations_mod, &
372	ONLY: prognostic_equations_cache, prognostic_equations_vector
373
374	USE radiation_model_mod, &
375	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
376	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
377
378	USE salsa_mod, &
379	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
380	communicator_salsa, nbins_aerosol, ncomponents_mass, ngases_salsa, &
381	salsa_boundary_conditions, salsa_emission_update, salsa_gas, salsa_gases_from_chem, &
382	skip_time_do_salsa
383
384	USE spectra_mod, &
385	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
386
387	USE statistics, &
388	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
389
390
391	USE surface_layer_fluxes_mod, &
392	ONLY: surface_layer_fluxes
393
394	USE surface_data_output_mod, &
395	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
396	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
397	skip_time_dosurf_av, time_dosurf, time_dosurf_av
398
399	USE surface_mod, &
400	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
401
402	USE synthetic_turbulence_generator_mod, &
403	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
404	time_stg_adjust, time_stg_call, use_syn_turb_gen
405
406	USE turbulence_closure_mod, &
407	ONLY: tcm_diffusivities
408
409	USE urban_surface_mod, &
410	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
411	usm_surface_energy_balance, usm_green_heat_model
412
413	USE virtual_measurement_mod, &
414	ONLY: dt_virtual_measurement, &
415	time_virtual_measurement, &
416	vm_data_output, &
417	vm_sampling, &
418	vm_time_start
419
420
421	USE wind_turbine_model_mod, &
422	ONLY: dt_data_output_wtm, time_wtm, wind_turbine, wtm_data_output
423
424	#if defined( _OPENACC )
425	USE arrays_3d, &
426	ONLY: d, dd2zu, ddzu, ddzw, &
427	diss_l_u, &
428	diss_l_v, &
429	diss_l_w, &
430	diss_s_u, &
431	diss_s_v, &
432	diss_s_w, &
433	drho_air, drho_air_zw, dzw, e, &
434	flux_l_u, &
435	flux_l_v, &
436	flux_l_w, &
437	flux_s_u, &
438	flux_s_v, &
439	flux_s_w, &
440	heatflux_output_conversion, &
441	kh, km, momentumflux_output_conversion, nc, ni, nr, p, ptdf_x, ptdf_y, qc, qi, qr, rdf, &
442	rdf_sc, rho_air, rho_air_zw, s, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, &
443	u_stokes_zu, vg, v_init, v_stokes_zu, w, zu
444
445	USE control_parameters, &
446	ONLY: tsc
447
448	USE indices, &
449	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
450
451	USE statistics, &
452	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
453	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
454	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
455	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l, sums_wsqis_ws_l, &
456	sums_wsnis_ws_l
457
458	USE surface_mod, &
459	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
460	#endif
461
462
463	IMPLICIT NONE
464
465	CHARACTER (LEN=9) :: time_to_string !<
466
467	INTEGER(iwp) :: hour !< hour of current time
468	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
469	INTEGER(iwp) :: ib !< index for aerosol size bins
470	INTEGER(iwp) :: ic !< index for aerosol mass bins
471	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
472	INTEGER(iwp) :: ig !< index for salsa gases
473	INTEGER(iwp) :: mid !< masked output running index
474	INTEGER(iwp) :: n !< loop counter for chemistry species
475
476	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
477	!< steering of run control output interval
478	REAL(wp) :: time_since_reference_point_save !< original value of
479	!< time_since_reference_point
480
481
482	!
483	!-- Copy data from arrays_3d
484	!$ACC DATA &
485	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
486	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
487	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
488	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
489	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
490	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
491	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
492	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
493	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
494	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
495
496	!$ACC DATA &
497	!$ACC COPYIN(diss_l_u(0:nz+1,nys:nyn,0), flux_l_u(0:nz+1,nys:nyn,0)) &
498	!$ACC COPYIN(diss_l_v(0:nz+1,nys:nyn,0), flux_l_v(0:nz+1,nys:nyn,0)) &
499	!$ACC COPYIN(diss_l_w(0:nz+1,nys:nyn,0), flux_l_w(0:nz+1,nys:nyn,0)) &
500	!$ACC COPYIN(diss_s_u(0:nz+1,0), flux_s_u(0:nz+1,0)) &
501	!$ACC COPYIN(diss_s_v(0:nz+1,0), flux_s_v(0:nz+1,0)) &
502	!$ACC COPYIN(diss_s_w(0:nz+1,0), flux_s_w(0:nz+1,0)) &
503	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
504	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
505	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
506	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
507	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
508	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
509	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
510	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
511	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
512	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
513	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
514	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
515	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
516
517	!$ACC DATA &
518	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
519	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
520	!$ACC COPYIN(zu(nzb:nzt+1)) &
521	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
522	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
523	!$ACC COPYIN(ddzw(1:nzt+1)) &
524	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
525	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
526	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
527	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
528	!$ACC COPYIN(ref_state(0:nz+1)) &
529	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
530	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
531	!$ACC COPYIN(pt_init(0:nz+1)) &
532	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
533
534	!
535	!-- Copy data from control_parameters
536	!$ACC DATA &
537	!$ACC COPYIN(tsc(1:5))
538
539	!
540	!-- Copy data from grid_variables
541	!$ACC DATA &
542	!$ACC COPYIN(ddx, ddy)
543
544	!
545	!-- Copy data from indices
546	!$ACC DATA &
547	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
548	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
549	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
550
551	!
552	!-- Copy data from surface_mod
553	!$ACC DATA &
554	!$ACC COPYIN(bc_h(0:1)) &
555	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
556	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
557	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
558	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
559	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
560	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
561
562	!
563	!-- Copy data from statistics
564	!$ACC DATA &
565	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
566	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
567	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
568	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
569	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
570	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
571	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
572	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
573	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
574	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
575	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
576	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
577	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
578	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
579	!$ACC COPY(sums_wsqis_ws_l(nzb:nzt+1,0)) &
580	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
581	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
582	!$ACC COPY(sums_wsnis_ws_l(nzb:nzt+1,0)) &
583	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
584	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
585	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
586
587	!
588	!-- Next statement is to avoid compiler warnings about unused variables. Please
589	!-- remove in case that you are using them. ddx and ddy need to be defined in
590	!-- time_integration because of ACC COPYIN directive.
591	ddx = ddx
592	ddy = ddy
593
594	#if defined( _OPENACC )
595	CALL enter_surface_arrays
596	#endif
597
598	!
599	!-- At beginning determine the first time step
600	CALL timestep
601
602	#if defined( __parallel )
603	!
604	!-- Synchronize the timestep in case of nested run.
605	IF ( nested_run ) THEN
606	!
607	!-- Synchronization by unifying the time step.
608	!-- Global minimum of all time-steps is used for all.
609	CALL pmci_synchronize
610	ENDIF
611	#endif
612
613	!
614	!-- Determine and print out the run control quantities before the first time
615	!-- step of this run. For the initial run, some statistics (e.g. divergence)
616	!-- need to be determined first --> CALL flow_statistics at the beginning of
617	!-- run_control
618	CALL run_control
619	!
620	!-- Data exchange between coupled models in case that a call has been omitted
621	!-- at the end of the previous run of a job chain.
622	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN
623	!
624	!-- In case of model termination initiated by the local model the coupler
625	!-- must not be called because this would again cause an MPI hang.
626	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
627	CALL surface_coupler
628	time_coupling = time_coupling - dt_coupling
629	ENDDO
630	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
631	time_coupling = time_since_reference_point
632	ENDIF
633	ENDIF
634
635	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
636
637	!
638	!-- Start of the time loop
639	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
640
641	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
642
643	!
644	!-- Determine ug, vg and w_subs in dependence on data from external file
645	!-- LSF_DATA
646	IF ( large_scale_forcing .AND. lsf_vert ) THEN
647	CALL ls_forcing_vert ( simulated_time )
648	sums_ls_l = 0.0_wp
649	ENDIF
650
651	!
652	!-- Set pt_init and q_init to the current profiles taken from
653	!-- NUDGING_DATA
654	IF ( nudging ) THEN
655	CALL nudge_ref ( simulated_time )
656	!
657	!-- Store temperature gradient at the top boundary for possible Neumann
658	!-- boundary condition
659	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
660	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
661	IF ( air_chemistry ) THEN
662	DO n = 1, nvar
663	bc_cs_t_val = ( chem_species(n)%conc_pr_init(nzt+1) &
664	- chem_species(n)%conc_pr_init(nzt) ) &
665	/ dzu(nzt+1)
666	ENDDO
667	ENDIF
668	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
669	DO ib = 1, nbins_aerosol
670	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
671	dzu(nzt+1)
672	DO ic = 1, ncomponents_mass
673	icc = ( ic - 1 ) * nbins_aerosol + ib
674	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
675	dzu(nzt+1)
676	ENDDO
677	ENDDO
678	IF ( .NOT. salsa_gases_from_chem ) THEN
679	DO ig = 1, ngases_salsa
680	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
681	dzu(nzt+1)
682	ENDDO
683	ENDIF
684	ENDIF
685	ENDIF
686	!
687	!-- Input of boundary data.
688	IF ( nesting_offline ) CALL nesting_offl_input
689	!
690	!-- Execute all other module actions routines
691	CALL module_interface_actions( 'before_timestep' )
692
693	!
694	!-- Start of intermediate step loop
695	intermediate_timestep_count = 0
696	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
697
698	intermediate_timestep_count = intermediate_timestep_count + 1
699
700	!
701	!-- Set the steering factors for the prognostic equations which depend
702	!-- on the timestep scheme
703	CALL timestep_scheme_steering
704
705	!
706	!-- Calculate those variables needed in the tendency terms which need
707	!-- global communication
708	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
709	THEN
710	!
711	!-- Horizontally averaged profiles to be used as reference state in
712	!-- buoyancy terms (WARNING: only the respective last call of
713	!-- calc_mean_profile defines the reference state!)
714	IF ( .NOT. neutral ) THEN
715	CALL calc_mean_profile( pt, 4 )
716	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
717	ENDIF
718	IF ( ocean_mode ) THEN
719	CALL calc_mean_profile( rho_ocean, 64 )
720	ref_state(:) = hom(:,1,64,0)
721	ENDIF
722	IF ( humidity ) THEN
723	CALL calc_mean_profile( vpt, 44 )
724	ref_state(:) = hom(:,1,44,0)
725	ENDIF
726	!
727	!-- Assure that ref_state does not become zero at any level
728	!-- ( might be the case if a vertical level is completely occupied
729	!-- with topography ).
730	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
731	ENDIF
732
733	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
734	THEN
735	CALL ws_statistics
736	ENDIF
737	!
738	!-- In case of nudging calculate current nudging time scale and horizontal
739	!-- means of u, v, pt and q
740	IF ( nudging ) THEN
741	CALL calc_tnudge( simulated_time )
742	CALL calc_mean_profile( u, 1 )
743	CALL calc_mean_profile( v, 2 )
744	CALL calc_mean_profile( pt, 4 )
745	CALL calc_mean_profile( q, 41 )
746	ENDIF
747	!
748	!-- Execute all other module actions routunes
749	CALL module_interface_actions( 'before_prognostic_equations' )
750	!
751	!-- Solve the prognostic equations. A fast cache optimized version with
752	!-- only one single loop is used in case of Piascek-Williams advection
753	!-- scheme. NEC vector machines use a different version, because
754	!-- in the other versions a good vectorization is prohibited due to
755	!-- inlining problems.
756	IF ( loop_optimization == 'cache' ) THEN
757	CALL prognostic_equations_cache
758	ELSEIF ( loop_optimization == 'vector' ) THEN
759	CALL prognostic_equations_vector
760	ENDIF
761
762	!
763	!-- Movement of agents in multi agent system
764	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
765	time_since_reference_point <= multi_agent_system_end .AND. &
766	intermediate_timestep_count == 1 ) &
767	THEN
768	CALL multi_agent_system
769	first_call_mas = .FALSE.
770	ENDIF
771
772	!
773	!-- Exchange of ghost points (lateral boundary conditions)
774	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
775
776	CALL exchange_horiz( u_p, nbgp )
777	CALL exchange_horiz( v_p, nbgp )
778	CALL exchange_horiz( w_p, nbgp )
779	CALL exchange_horiz( pt_p, nbgp )
780	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
781	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
782	.OR. use_sgs_for_particles ) THEN
783	IF ( rans_tke_e ) THEN
784	CALL exchange_horiz( diss_p, nbgp )
785	ELSE
786	CALL exchange_horiz( diss, nbgp )
787	ENDIF
788	ENDIF
789	IF ( ocean_mode ) THEN
790	CALL exchange_horiz( sa_p, nbgp )
791	CALL exchange_horiz( rho_ocean, nbgp )
792	CALL exchange_horiz( prho, nbgp )
793	ENDIF
794	IF ( humidity ) THEN
795	CALL exchange_horiz( q_p, nbgp )
796	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
797	CALL exchange_horiz( qc_p, nbgp )
798	CALL exchange_horiz( nc_p, nbgp )
799	ENDIF
800	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
801	CALL exchange_horiz( qr_p, nbgp )
802	CALL exchange_horiz( nr_p, nbgp )
803	ENDIF
804	IF ( bulk_cloud_model .AND. microphysics_ice_phase ) THEN
805	CALL exchange_horiz( qi_p, nbgp )
806	CALL exchange_horiz( ni_p, nbgp )
807	ENDIF
808	ENDIF
809	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
810	IF ( air_chemistry ) THEN
811	DO n = 1, nvar
812	CALL exchange_horiz( chem_species(n)%conc_p, nbgp, &
813	alternative_communicator = communicator_chem )
814	ENDDO
815	ENDIF
816
817	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
818	DO ib = 1, nbins_aerosol
819	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp, &
820	alternative_communicator = communicator_salsa )
821	DO ic = 1, ncomponents_mass
822	icc = ( ic - 1 ) * nbins_aerosol + ib
823	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp, &
824	alternative_communicator = communicator_salsa )
825	ENDDO
826	ENDDO
827	IF ( .NOT. salsa_gases_from_chem ) THEN
828	DO ig = 1, ngases_salsa
829	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp, &
830	alternative_communicator = communicator_salsa )
831	ENDDO
832	ENDIF
833	ENDIF
834
835	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
836
837	!
838	!-- Boundary conditions for the prognostic quantities (except of the
839	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
840	!-- boundary conditions for module-specific variables
841	CALL module_interface_boundary_conditions
842
843	!
844	!-- Incrementing timestep counter
845	timestep_count = timestep_count + 1
846
847	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
848	!
849	!-- Set the swap level for all modules
850	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
851
852	#if defined( __parallel )
853	!
854	!-- Set the swap level for steering the pmc data transfer
855	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
856	#endif
857
858	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
859
860	#if defined( __parallel )
861	IF ( nested_run ) THEN
862
863	CALL cpu_log( log_point(60), 'nesting', 'start' )
864	!
865	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
866	!-- and pmci_child_datatrans are called inside the wrapper
867	!-- subroutine pmci_datatrans according to the control parameters
868	!-- nesting_mode and nesting_datatransfer_mode.
869	!-- TO_DO: why is nesting_mode given as a parameter here?
870	CALL pmci_datatrans( nesting_mode )
871
872	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
873
874	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
875	!
876	!-- Exchange_horiz is needed for all parent-domains after the
877	!-- anterpolation
878	CALL exchange_horiz( u, nbgp )
879	CALL exchange_horiz( v, nbgp )
880	CALL exchange_horiz( w, nbgp )
881	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
882
883	IF ( humidity ) THEN
884
885	CALL exchange_horiz( q, nbgp )
886
887	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
888	CALL exchange_horiz( qc, nbgp )
889	CALL exchange_horiz( nc, nbgp )
890	ENDIF
891	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
892	CALL exchange_horiz( qr, nbgp )
893	CALL exchange_horiz( nr, nbgp )
894	ENDIF
895	IF ( bulk_cloud_model .AND. microphysics_ice_phase ) THEN
896	CALL exchange_horiz( qi, nbgp )
897	CALL exchange_horiz( ni, nbgp )
898	ENDIF
899
900	ENDIF
901
902	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
903
904	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
905
906	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
907	CALL exchange_horiz( diss, nbgp )
908	ENDIF
909
910	IF ( air_chemistry ) THEN
911	DO n = 1, nvar
912	CALL exchange_horiz( chem_species(n)%conc, nbgp, &
913	alternative_communicator = communicator_chem )
914	ENDDO
915	ENDIF
916
917	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
918	DO ib = 1, nbins_aerosol
919	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp, &
920	alternative_communicator = communicator_salsa )
921	DO ic = 1, ncomponents_mass
922	icc = ( ic - 1 ) * nbins_aerosol + ib
923	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp, &
924	alternative_communicator = communicator_salsa )
925	ENDDO
926	ENDDO
927	IF ( .NOT. salsa_gases_from_chem ) THEN
928	DO ig = 1, ngases_salsa
929	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp, &
930	alternative_communicator = communicator_salsa )
931	ENDDO
932	ENDIF
933	ENDIF
934	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
935
936	ENDIF
937
938	!
939	!-- Set boundary conditions again after interpolation and anterpolation.
940	CALL pmci_boundary_conds
941
942	CALL cpu_log( log_point(60), 'nesting', 'stop' )
943
944	ENDIF
945	#endif
946
947	!
948	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
949	!-- when a sloping surface is used
950	IF ( sloping_surface ) THEN
951	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
952	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
953	ENDIF
954
955	!
956	!-- Increase temperature pt(0) according to pt_surface_heating_rate (convert from K/h to K/s)
957	IF ( pt_surface_heating_rate /= 0.0_wp .AND. intermediate_timestep_count == 1 ) THEN
958	pt(0,:,:) = pt(0,:,:) + dt_3d * pt_surface_heating_rate / 3600.0_wp
959	ENDIF
960
961	!
962	!-- Impose a turbulent inflow using the recycling method
963	IF ( turbulent_inflow ) CALL inflow_turbulence
964
965	!
966	!-- Set values at outflow boundary using the special outflow condition
967	IF ( turbulent_outflow ) CALL outflow_turbulence
968
969	!
970	!-- Impose a random perturbation on the horizontal velocity field
971	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
972	intermediate_timestep_count == intermediate_timestep_count_max ) &
973	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
974	THEN
975	time_disturb = time_disturb + dt_3d
976	IF ( time_disturb >= dt_disturb ) THEN
977	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
978	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
979	CALL disturb_field( 'u', tend, u )
980	CALL disturb_field( 'v', tend, v )
981	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
982	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
983	THEN
984	!
985	!-- Runs with a non-cyclic lateral wall need perturbations
986	!-- near the inflow throughout the whole simulation
987	dist_range = 1
988	CALL disturb_field( 'u', tend, u )
989	CALL disturb_field( 'v', tend, v )
990	dist_range = 0
991	ENDIF
992	time_disturb = time_disturb - dt_disturb
993	ENDIF
994	ENDIF
995
996	!
997	!-- Map forcing data derived from larger scale model onto domain
998	!-- boundaries. Further, update geostrophic wind components.
999	IF ( nesting_offline .AND. intermediate_timestep_count == &
1000	intermediate_timestep_count_max ) THEN
1001	!-- Determine interpolation factor before boundary conditions and geostrophic wind
1002	!-- is updated.
1003	CALL nesting_offl_interpolation_factor
1004	CALL nesting_offl_bc
1005	CALL nesting_offl_geostrophic_wind
1006	ENDIF
1007	!
1008	!-- Impose a turbulent inflow using synthetic generated turbulence.
1009	IF ( use_syn_turb_gen .AND. &
1010	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
1011	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1012	CALL stg_main
1013	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1014	ENDIF
1015	!
1016	!-- Ensure mass conservation. This need to be done after imposing
1017	!-- synthetic turbulence and top boundary condition for pressure is set to
1018	!-- Neumann conditions.
1019	!-- Is this also required in case of Dirichlet?
1020	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
1021	!
1022	!-- Reduce the velocity divergence via the equation for perturbation
1023	!-- pressure.
1024	IF ( intermediate_timestep_count == 1 .OR. call_psolver_at_all_substeps ) THEN
1025
1026	#if defined( __parallel )
1027	!
1028	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
1029	IF ( child_domain ) THEN
1030	IF ( nesting_mode == 'vertical' ) THEN
1031	CALL pmci_ensure_nest_mass_conservation_vertical
1032	ELSE
1033	CALL pmci_ensure_nest_mass_conservation
1034	ENDIF
1035	ENDIF
1036	#endif
1037	CALL pres
1038
1039	ENDIF
1040	!
1041	!-- Particle transport/physics with the Lagrangian particle model
1042	!-- (only once during intermediate steps, because it uses an Euler-step)
1043	!-- ### particle model should be moved before prognostic_equations, in order
1044	!-- to regard droplet interactions directly
1045
1046	CALL module_interface_actions( 'after_pressure_solver' )
1047	!
1048	!-- Interaction of droplets with temperature and mixing ratio.
1049	!-- Droplet condensation and evaporation is calculated within
1050	!-- advec_particles.
1051	!
1052	!-- If required, compute liquid water content
1053	IF ( bulk_cloud_model ) THEN
1054	CALL calc_liquid_water_content
1055	ENDIF
1056	!
1057	!-- If required, compute virtual potential temperature
1058	IF ( humidity ) THEN
1059	CALL compute_vpt
1060	ENDIF
1061
1062	!
1063	!-- Compute the diffusion quantities
1064	IF ( .NOT. constant_diffusion ) THEN
1065
1066	!
1067	!-- Determine surface fluxes shf and qsws and surface values
1068	!-- pt_surface and q_surface in dependence on data from external
1069	!-- file LSF_DATA respectively
1070	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
1071	intermediate_timestep_count == intermediate_timestep_count_max ) &
1072	THEN
1073	CALL ls_forcing_surf( simulated_time )
1074	ENDIF
1075
1076	!
1077	!-- First the vertical (and horizontal) fluxes in the surface
1078	!-- (constant flux) layer are computed
1079	IF ( constant_flux_layer ) THEN
1080	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
1081	CALL surface_layer_fluxes
1082	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
1083	ENDIF
1084	!
1085	!-- If required, solve the energy balance for the surface and run soil
1086	!-- model. Call for horizontal as well as vertical surfaces
1087	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
1088
1089	CALL cpu_log( log_point(54), 'land_surface', 'start' )
1090	!
1091	!-- Call for horizontal upward-facing surfaces
1092	CALL lsm_energy_balance( .TRUE., -1 )
1093	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
1094	!
1095	!-- Call for northward-facing surfaces
1096	CALL lsm_energy_balance( .FALSE., 0 )
1097	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
1098	!
1099	!-- Call for southward-facing surfaces
1100	CALL lsm_energy_balance( .FALSE., 1 )
1101	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
1102	!
1103	!-- Call for eastward-facing surfaces
1104	CALL lsm_energy_balance( .FALSE., 2 )
1105	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
1106	!
1107	!-- Call for westward-facing surfaces
1108	CALL lsm_energy_balance( .FALSE., 3 )
1109	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
1110
1111	!
1112	!-- At the end, set boundary conditons for potential temperature
1113	!-- and humidity after running the land-surface model. This
1114	!-- might be important for the nesting, where arrays are transfered.
1115	CALL lsm_boundary_condition
1116
1117
1118	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
1119	ENDIF
1120	!
1121	!-- If required, solve the energy balance for urban surfaces and run
1122	!-- the material heat model
1123	IF (urban_surface) THEN
1124	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
1125
1126	CALL usm_surface_energy_balance( .FALSE. )
1127	IF ( usm_material_model ) THEN
1128	CALL usm_green_heat_model
1129	CALL usm_material_heat_model ( .FALSE. )
1130	ENDIF
1131
1132	!
1133	!-- At the end, set boundary conditons for potential temperature
1134	!-- and humidity after running the urban-surface model. This
1135	!-- might be important for the nesting, where arrays are transfered.
1136	CALL usm_boundary_condition
1137
1138	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
1139	ENDIF
1140	!
1141	!-- Compute the diffusion coefficients
1142	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
1143	IF ( .NOT. humidity ) THEN
1144	IF ( ocean_mode ) THEN
1145	CALL tcm_diffusivities( prho, prho_reference )
1146	ELSE
1147	CALL tcm_diffusivities( pt, pt_reference )
1148	ENDIF
1149	ELSE
1150	CALL tcm_diffusivities( vpt, pt_reference )
1151	ENDIF
1152	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
1153
1154	ENDIF
1155
1156	ENDDO ! Intermediate step loop
1157
1158	!
1159	!-- Will be used at some point by flow_statistics.
1160	!$ACC UPDATE &
1161	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
1162	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
1163	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
1164	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
1165	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
1166	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
1167	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
1168	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
1169	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
1170	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
1171	!$ACC HOST(sums_wsqis_ws_l(nzb:nzt+1,0)) &
1172	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
1173	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
1174	!$ACC HOST(sums_wsnis_ws_l(nzb:nzt+1,0)) &
1175	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
1176	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
1177	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
1178
1179	!
1180	!-- If required, calculate radiative fluxes and heating rates
1181	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
1182
1183	time_radiation = time_radiation + dt_3d
1184
1185	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
1186
1187	CALL cpu_log( log_point(50), 'radiation', 'start' )
1188
1189	IF ( .NOT. force_radiation_call ) THEN
1190	time_radiation = time_radiation - dt_radiation
1191	ENDIF
1192
1193	!
1194	!-- Adjust the current time to the time step of the radiation model.
1195	!-- Needed since radiation is pre-calculated and stored only on apparent
1196	!-- solar positions
1197	time_since_reference_point_save = time_since_reference_point
1198	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
1199	dt_radiation ), wp ) * dt_radiation
1200
1201	CALL radiation_control
1202
1203	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
1204	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
1205	CALL radiation_interaction
1206	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
1207	ENDIF
1208
1209	!
1210	!-- Return the current time to its original value
1211	time_since_reference_point = time_since_reference_point_save
1212
1213	CALL cpu_log( log_point(50), 'radiation', 'stop' )
1214
1215	ENDIF
1216	ENDIF
1217
1218
1219	!
1220	!-- 20200203 (ECC)
1221	!-- allows for emission update mode in legacy mode as well as on-demand mode
1222	!-- note that under on-demand mode emission update is no longer restricted to
1223	!-- an hourly frequency, but whenever the simulation time corresponds to an
1224	!-- inrement in emission timestamp value
1225
1226	!
1227	!-- If required, consider chemical emissions
1228
1229	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
1230
1231	IF ( emiss_read_legacy_mode ) THEN
1232	!
1233	!-- get hourly index and updates emission data when the hour is passed
1234
1235	CALL get_date_time( time_since_reference_point, hour=hour )
1236
1237	IF ( hour_call_emis /= hour ) THEN
1238
1239	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
1240	hour_call_emis = hour
1241
1242	ENDIF
1243
1244	ELSE
1245
1246	CALL chem_emissions_update_on_demand
1247
1248	ENDIF
1249
1250	ENDIF
1251
1252
1253	!
1254	!-- If required, consider aerosol emissions for the salsa model
1255	IF ( salsa ) THEN
1256	!
1257	!-- Call emission routine to update emissions if needed
1258	CALL salsa_emission_update
1259
1260	ENDIF
1261	!
1262	!-- If required, calculate indoor temperature, waste heat, heat flux
1263	!-- through wall, etc.
1264	!-- dt_indoor steers the frequency of the indoor model calculations.
1265	!-- Note, at first timestep indoor model is called, in order to provide
1266	!-- a waste heat flux.
1267	IF ( indoor_model ) THEN
1268
1269	time_indoor = time_indoor + dt_3d
1270
1271	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
1272
1273	time_indoor = time_indoor - dt_indoor
1274
1275	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
1276	CALL im_main_heatcool
1277	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
1278
1279	ENDIF
1280	ENDIF
1281	!
1282	!-- Increase simulation time and output times
1283	nr_timesteps_this_run = nr_timesteps_this_run + 1
1284	current_timestep_number = current_timestep_number + 1
1285	simulated_time = simulated_time + dt_3d
1286	time_since_reference_point = simulated_time - coupling_start_time
1287	simulated_time_chr = time_to_string( time_since_reference_point )
1288
1289
1290	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
1291	time_do_av = time_do_av + dt_3d
1292	ENDIF
1293	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
1294	time_do2d_xy = time_do2d_xy + dt_3d
1295	ENDIF
1296	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
1297	time_do2d_xz = time_do2d_xz + dt_3d
1298	ENDIF
1299	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
1300	time_do2d_yz = time_do2d_yz + dt_3d
1301	ENDIF
1302	IF ( time_since_reference_point >= skip_time_do3d ) THEN
1303	time_do3d = time_do3d + dt_3d
1304	ENDIF
1305	DO mid = 1, masks
1306	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
1307	time_domask(mid)= time_domask(mid) + dt_3d
1308	ENDIF
1309	ENDDO
1310	IF ( time_since_reference_point >= skip_time_dosp ) THEN
1311	time_dosp = time_dosp + dt_3d
1312	ENDIF
1313	time_dots = time_dots + dt_3d
1314	IF ( .NOT. first_call_lpm ) THEN
1315	time_dopts = time_dopts + dt_3d
1316	ENDIF
1317	IF ( time_since_reference_point >= skip_time_dopr ) THEN
1318	time_dopr = time_dopr + dt_3d
1319	ENDIF
1320	time_dopr_listing = time_dopr_listing + dt_3d
1321	time_run_control = time_run_control + dt_3d
1322	!
1323	!-- Increment time-counter for surface output
1324	IF ( surface_output ) THEN
1325	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
1326	time_dosurf = time_dosurf + dt_3d
1327	ENDIF
1328	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
1329	time_dosurf_av = time_dosurf_av + dt_3d
1330	ENDIF
1331	ENDIF
1332	!
1333	!-- Increment time-counter for virtual measurements
1334	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
1335	time_virtual_measurement = time_virtual_measurement + dt_3d
1336	ENDIF
1337
1338	!
1339	!-- Increment time-counter for wind turbine data output
1340	IF ( wind_turbine ) THEN
1341	time_wtm = time_wtm + dt_3d
1342	ENDIF
1343
1344	!
1345	!-- In case of synthetic turbulence generation and parametrized turbulence
1346	!-- information, update the time counter and if required, adjust the
1347	!-- STG to new atmospheric conditions.
1348	IF ( use_syn_turb_gen ) THEN
1349	IF ( parametrize_inflow_turbulence ) THEN
1350	time_stg_adjust = time_stg_adjust + dt_3d
1351	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
1352	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1353	CALL stg_adjust
1354	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1355	ENDIF
1356	ENDIF
1357	time_stg_call = time_stg_call + dt_3d
1358	ENDIF
1359
1360	!
1361	!-- Data exchange between coupled models
1362	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN
1363	time_coupling = time_coupling + dt_3d
1364
1365	!
1366	!-- In case of model termination initiated by the local model
1367	!-- (terminate_coupled > 0), the coupler must be skipped because it would
1368	!-- cause an MPI intercomminucation hang.
1369	!-- If necessary, the coupler will be called at the beginning of the
1370	!-- next restart run.
1371	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
1372	CALL surface_coupler
1373	time_coupling = time_coupling - dt_coupling
1374	ENDDO
1375	ENDIF
1376
1377	!
1378	!-- Biometeorology calculation of stationary thermal indices
1379	!-- Todo (kanani): biometeorology needs own time_... treatment.
1380	!-- It might be that time_do2d_xy differs from time_do3d,
1381	!-- and then we might get trouble with the biomet output,
1382	!-- because we can have 2d and/or 3d biomet output!!
1383	IF ( biometeorology &
1384	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
1385	.OR. &
1386	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
1387	) ) THEN
1388	!
1389	!-- If required, do thermal comfort calculations
1390	IF ( thermal_comfort ) THEN
1391	CALL bio_calculate_thermal_index_maps ( .FALSE. )
1392	ENDIF
1393	!
1394	!-- If required, do UV exposure calculations
1395	IF ( uv_exposure ) THEN
1396	CALL bio_calculate_uv_exposure
1397	ENDIF
1398	ENDIF
1399
1400	!
1401	!-- Execute alle other module actions routunes
1402	CALL module_interface_actions( 'after_integration' )
1403
1404	!
1405	!-- If Galilei transformation is used, determine the distance that the
1406	!-- model has moved so far
1407	IF ( galilei_transformation ) THEN
1408	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
1409	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
1410	ENDIF
1411
1412	!
1413	!-- Check, if restart is necessary (because cpu-time is expiring or
1414	!-- because it is forced by user) and set stop flag
1415	!-- This call is skipped if the remote model has already initiated a restart.
1416	IF ( .NOT. terminate_run ) CALL check_for_restart
1417
1418	!
1419	!-- Carry out statistical analysis and output at the requested output times.
1420	!-- The MOD function is used for calculating the output time counters (like
1421	!-- time_dopr) in order to regard a possible decrease of the output time
1422	!-- interval in case of restart runs
1423
1424	!
1425	!-- Set a flag indicating that so far no statistics have been created
1426	!-- for this time step
1427	flow_statistics_called = .FALSE.
1428
1429	!
1430	!-- If required, call flow_statistics for averaging in time
1431	IF ( averaging_interval_pr /= 0.0_wp .AND. &
1432	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
1433	time_since_reference_point >= skip_time_dopr ) THEN
1434	time_dopr_av = time_dopr_av + dt_3d
1435	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
1436	do_sum = .TRUE.
1437	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
1438	ENDIF
1439	ENDIF
1440	IF ( do_sum ) CALL flow_statistics
1441
1442	!
1443	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
1444	IF ( averaging_interval /= 0.0_wp .AND. &
1445	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
1446	time_since_reference_point >= skip_time_data_output_av ) &
1447	THEN
1448	time_do_sla = time_do_sla + dt_3d
1449	IF ( time_do_sla >= dt_averaging_input ) THEN
1450	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1451	CALL doq_calculate
1452
1453	CALL sum_up_3d_data
1454	average_count_3d = average_count_3d + 1
1455	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
1456	ENDIF
1457	ENDIF
1458	!
1459	!-- Average surface data
1460	IF ( surface_output ) THEN
1461	IF ( averaging_interval_surf /= 0.0_wp &
1462	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
1463	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1464	IF ( time_dosurf_av >= dt_averaging_input ) THEN
1465	CALL surface_data_output_averaging
1466	average_count_surf = average_count_surf + 1
1467	ENDIF
1468	ENDIF
1469	ENDIF
1470
1471	!
1472	!-- Calculate spectra for time averaging
1473	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
1474	.AND. time_since_reference_point >= skip_time_dosp ) THEN
1475	time_dosp_av = time_dosp_av + dt_3d
1476	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
1477	CALL calc_spectra
1478	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
1479	ENDIF
1480	ENDIF
1481
1482	!
1483	!-- Call flight module and output data
1484	IF ( virtual_flight ) THEN
1485	CALL flight_measurement
1486	CALL data_output_flight
1487	ENDIF
1488	!
1489	!-- Take virtual measurements
1490	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
1491	.AND. vm_time_start <= time_since_reference_point ) THEN
1492	CALL vm_sampling
1493	CALL vm_data_output
1494	time_virtual_measurement = MOD( time_virtual_measurement, &
1495	MAX( dt_virtual_measurement, dt_3d ) )
1496	ENDIF
1497
1498	!
1499	!-- Output wind turbine data
1500	IF ( wind_turbine .AND. time_wtm >= dt_data_output_wtm ) THEN
1501	CALL wtm_data_output
1502	time_wtm = MOD( time_wtm, MAX( dt_data_output_wtm, dt_3d ) )
1503	ENDIF
1504
1505	!
1506	!-- Profile output (ASCII) on file
1507	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
1508	CALL print_1d
1509	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
1510	ENDIF
1511
1512	!
1513	!-- Graphic output for PROFIL
1514	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
1515	IF ( dopr_n /= 0 ) CALL data_output_profiles
1516	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
1517	time_dopr_av = 0.0_wp ! due to averaging (see above)
1518	ENDIF
1519
1520	!
1521	!-- Graphic output for time series
1522	IF ( time_dots >= dt_dots ) THEN
1523	CALL data_output_tseries
1524	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
1525	ENDIF
1526
1527	!
1528	!-- Output of spectra (formatted for use with PROFIL), in case of no
1529	!-- time averaging, spectra has to be calculated before
1530	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
1531	IF ( average_count_sp == 0 ) CALL calc_spectra
1532	CALL data_output_spectra
1533	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
1534	ENDIF
1535
1536	!
1537	!-- 2d-data output (cross-sections)
1538	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
1539	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1540	CALL doq_calculate
1541
1542	CALL data_output_2d( 'xy', 0 )
1543	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
1544	ENDIF
1545	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
1546	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1547
1548	CALL doq_calculate
1549	CALL data_output_2d( 'xz', 0 )
1550	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
1551	ENDIF
1552	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
1553	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1554	CALL doq_calculate
1555
1556	CALL data_output_2d( 'yz', 0 )
1557	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
1558	ENDIF
1559
1560	!
1561	!-- 3d-data output (volume data)
1562	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
1563	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1564	CALL doq_calculate
1565
1566	CALL data_output_3d( 0 )
1567	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
1568	ENDIF
1569
1570	!
1571	!-- Masked data output
1572	DO mid = 1, masks
1573	IF ( time_domask(mid) >= dt_domask(mid) &
1574	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
1575	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1576	CALL doq_calculate
1577
1578	CALL data_output_mask( 0, mid )
1579	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
1580	ENDIF
1581	ENDDO
1582
1583	!
1584	!-- Output of time-averaged 2d/3d/masked data
1585	IF ( time_do_av >= dt_data_output_av &
1586	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
1587	CALL average_3d_data
1588	!
1589	!-- Udate thermal comfort indices based on updated averaged input
1590	IF ( biometeorology .AND. thermal_comfort ) THEN
1591	CALL bio_calculate_thermal_index_maps ( .TRUE. )
1592	ENDIF
1593	CALL data_output_2d( 'xy', 1 )
1594	CALL data_output_2d( 'xz', 1 )
1595	CALL data_output_2d( 'yz', 1 )
1596	CALL data_output_3d( 1 )
1597	DO mid = 1, masks
1598	CALL data_output_mask( 1, mid )
1599	ENDDO
1600	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
1601	ENDIF
1602	!
1603	!-- Output of surface data, instantaneous and averaged data
1604	IF ( surface_output ) THEN
1605	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
1606	CALL surface_data_output( 0 )
1607	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
1608	ENDIF
1609	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1610	CALL surface_data_output( 1 )
1611	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
1612	ENDIF
1613	ENDIF
1614
1615	!
1616	!-- Output of particle time series
1617	IF ( particle_advection ) THEN
1618	IF ( time_dopts >= dt_dopts .OR. &
1619	( time_since_reference_point >= particle_advection_start .AND. &
1620	first_call_lpm ) ) THEN
1621	CALL lpm_data_output_ptseries
1622	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
1623	ENDIF
1624	ENDIF
1625
1626	!
1627	!-- If required, set the heat flux for the next time step to a random value
1628	IF ( constant_heatflux .AND. random_heatflux ) THEN
1629	IF ( surf_def_h(0)%ns >= 1 ) THEN
1630	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1631	CALL disturb_heatflux( surf_def_h(0) )
1632	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1633	ENDIF
1634	IF ( surf_lsm_h%ns >= 1 ) THEN
1635	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1636	CALL disturb_heatflux( surf_lsm_h )
1637	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1638	ENDIF
1639	IF ( surf_usm_h%ns >= 1 ) THEN
1640	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1641	CALL disturb_heatflux( surf_usm_h )
1642	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1643	ENDIF
1644	ENDIF
1645
1646	!
1647	!-- Execute alle other module actions routunes
1648	CALL module_interface_actions( 'after_timestep' )
1649
1650	!
1651	!-- Determine size of next time step. Save timestep dt_3d because it is
1652	!-- newly calculated in routine timestep, but required further below for
1653	!-- steering the run control output interval
1654	dt_3d_old = dt_3d
1655	CALL timestep
1656
1657	#if defined( __parallel )
1658	!
1659	!-- Synchronize the timestep in case of nested run.
1660	IF ( nested_run ) THEN
1661	!
1662	!-- Synchronize by unifying the time step.
1663	!-- Global minimum of all time-steps is used for all.
1664	CALL pmci_synchronize
1665	ENDIF
1666	#endif
1667
1668	!
1669	!-- Computation and output of run control parameters.
1670	!-- This is also done whenever perturbations have been imposed
1671	IF ( time_run_control >= dt_run_control .OR. &
1672	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
1673	THEN
1674	CALL run_control
1675	IF ( time_run_control >= dt_run_control ) THEN
1676	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
1677	ENDIF
1678	ENDIF
1679
1680	!
1681	!-- Output elapsed simulated time in form of a progress bar on stdout
1682	IF ( myid == 0 ) CALL output_progress_bar
1683
1684	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
1685
1686
1687	ENDDO ! time loop
1688
1689	#if defined( _OPENACC )
1690	CALL exit_surface_arrays
1691	#endif
1692	!$ACC END DATA
1693	!$ACC END DATA
1694	!$ACC END DATA
1695	!$ACC END DATA
1696	!$ACC END DATA
1697	!$ACC END DATA
1698	!$ACC END DATA
1699	!$ACC END DATA
1700
1701	IF ( myid == 0 ) CALL finish_progress_bar
1702
1703	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
1704
1705	END SUBROUTINE time_integration

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