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source: palm/trunk/SOURCE/time_integration.f90 @ 4372

Last change on this file since 4372 was 4360, checked in by suehring, 5 years ago
Bugfix in output of time-averaged plant-canopy quanities; Output of plant-canopy data only where tall canopy is defined; land-surface model: fix wrong location strings; tests: update urban test case; all source code files: copyright update
Property svn:keywords set to `Id`
File size: 68.2 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 4360 2020-01-07 11:25:50Z banzhafs $
27	! Bugfix, hour_call_emis uninitialized at first call of time_integration
28	!
29	! 4346 2019-12-18 11:55:56Z motisi
30	! Introduction of wall_flags_total_0, which currently sets bits based on static
31	! topography information used in wall_flags_static_0
32	!
33	! 4329 2019-12-10 15:46:36Z motisi
34	! Renamed wall_flags_0 to wall_flags_static_0
35	!
36	! 4281 2019-10-29 15:15:39Z schwenkel
37	! Moved boundary conditions to module interface
38	!
39	! 4276 2019-10-28 16:03:29Z schwenkel
40	! Further modularization of lpm code components
41	!
42	! 4275 2019-10-28 15:34:55Z schwenkel
43	! Move call oft lpm to the end of intermediate timestep loop
44	!
45	! 4268 2019-10-17 11:29:38Z schwenkel
46	! Removing module specific boundary conditions an put them into their modules
47	!
48	! 4227 2019-09-10 18:04:34Z gronemeier
49	! implement new palm_date_time_mod
50	!
51	! 4226 2019-09-10 17:03:24Z suehring
52	! Changes in interface for the offline nesting
53	!
54	! 4182 2019-08-22 15:20:23Z scharf
55	! Corrected "Former revisions" section
56	!
57	! 4170 2019-08-19 17:12:31Z gronemeier
58	! copy diss, diss_p, tdiss_m to GPU
59	!
60	! 4144 2019-08-06 09:11:47Z raasch
61	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
62	!
63	! 4126 2019-07-30 11:09:11Z gronemeier
64	! renamed routine to calculate uv exposure
65	!
66	! 4111 2019-07-22 18:16:57Z suehring
67	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
68	!
69	! 4069 2019-07-01 14:05:51Z Giersch
70	! Masked output running index mid has been introduced as a local variable to
71	! avoid runtime error (Loop variable has been modified) in time_integration
72	!
73	! 4064 2019-07-01 05:33:33Z gronemeier
74	! Moved call to radiation module out of intermediate time loop
75	!
76	! 4048 2019-06-21 21:00:21Z knoop
77	! Moved production_e_init call into turbulence_closure_mod
78	!
79	! 4047 2019-06-21 18:58:09Z knoop
80	! Added remainings of swap_timelevel upon its dissolution
81	!
82	! 4043 2019-06-18 16:59:00Z schwenkel
83	! Further LPM modularization
84	!
85	! 4039 2019-06-18 10:32:41Z suehring
86	! Rename subroutines in module for diagnostic quantities
87	!
88	! 4029 2019-06-14 14:04:35Z raasch
89	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
90	! bugfix: decycling of chemistry species after nesting data transfer
91	!
92	! 4022 2019-06-12 11:52:39Z suehring
93	! Call synthetic turbulence generator at last RK3 substep right after boundary
94	! conditions are updated in offline nesting in order to assure that
95	! perturbations are always imposed
96	!
97	! 4017 2019-06-06 12:16:46Z schwenkel
98	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
99	!
100	! 3994 2019-05-22 18:08:09Z suehring
101	! output of turbulence intensity added
102	!
103	! 3988 2019-05-22 11:32:37Z kanani
104	! Implement steerable output interval for virtual measurements
105	!
106	! 3968 2019-05-13 11:04:01Z suehring
107	! replace nspec_out with n_matched_vars
108	!
109	! 3929 2019-04-24 12:52:08Z banzhafs
110	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
111	! chem_boundary_conds_decycle
112	!
113	!
114	! 3885 2019-04-11 11:29:34Z kanani
115	! Changes related to global restructuring of location messages and introduction
116	! of additional debug messages
117	!
118	! 3879 2019-04-08 20:25:23Z knoop
119	! Moved wtm_forces to module_interface_actions
120	!
121	! 3872 2019-04-08 15:03:06Z knoop
122	! Modifications made for salsa:
123	! - Call salsa_emission_update at each time step but do the checks within
124	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
125	! and next_aero_emission_update <= time_since_reference_point ).
126	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
127	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
128	! - Apply nesting for salsa variables
129	! - Removed cpu_log calls speciffic for salsa.
130	!
131	! 3833 2019-03-28 15:04:04Z forkel
132	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
133	!
134	! 3820 2019-03-27 11:53:41Z forkel
135	! renamed do_emiss to emissions_anthropogenic (ecc)
136	!
137	!
138	! 3774 2019-03-04 10:52:49Z moh.hefny
139	! rephrase if statement to avoid unallocated array in case of
140	! nesting_offline is false (crashing during debug mode)
141	!
142	! 3761 2019-02-25 15:31:42Z raasch $
143	! module section re-formatted and openacc required variables moved to separate section,
144	! re-formatting to 100 char line width
145	!
146	! 3745 2019-02-15 18:57:56Z suehring
147	! Call indoor model after first timestep
148	!
149	! 3744 2019-02-15 18:38:58Z suehring
150	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
151	! time_integration to make sure averaged input is updated before calculating.
152	!
153	! 3739 2019-02-13 08:05:17Z dom_dwd_user
154	! Removed everything related to "time_bio_results" as this is never used.
155	!
156	! 3724 2019-02-06 16:28:23Z kanani
157	! Correct double-used log_point_s unit
158	!
159	! 3719 2019-02-06 13:10:18Z kanani
160	! - removed wind_turbine cpu measurement, since same time is measured inside
161	! wtm_forces subroutine as special measures
162	! - moved the numerous vnest cpulog to special measures
163	! - extended radiation cpulog over entire radiation part,
164	! moved radiation_interactions cpulog to special measures
165	! - moved some cpu_log calls to this routine for better overview
166	!
167	! 3705 2019-01-29 19:56:39Z suehring
168	! Data output for virtual measurements added
169	!
170	! 3704 2019-01-29 19:51:41Z suehring
171	! Rename subroutines for surface-data output
172	!
173	! 3647 2019-01-02 14:10:44Z kanani
174	! Bugfix: add time_since_reference_point to IF clause for data_output calls
175	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
176	! Clean up indoor_model and biometeorology model call.
177	!
178	! Revision 1.1 1997/08/11 06:19:04 raasch
179	! Initial revision
180	!
181	!
182	! Description:
183	! ------------
184	!> Integration in time of the model equations, statistical analysis and graphic
185	!> output
186	!------------------------------------------------------------------------------!
187	SUBROUTINE time_integration
188
189
190	USE advec_ws, &
191	ONLY: ws_statistics
192
193	USE arrays_3d, &
194	ONLY: diss, diss_p, dzu, e, e_p, nc, nc_p, nr, nr_p, prho, pt, pt_p, pt_init, q_init, q, &
195	qc, qc_p, qr, qr_p, q_p, ref_state, rho_ocean, s, s_p, sa_p, &
196	tend, u, u_p, v, vpt, v_p, w, w_p
197
198	USE biometeorology_mod, &
199	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
200	uv_exposure
201
202	USE bulk_cloud_model_mod, &
203	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
204	microphysics_morrison, microphysics_seifert
205
206	USE calc_mean_profile_mod, &
207	ONLY: calc_mean_profile
208
209	USE chem_emissions_mod, &
210	ONLY: chem_emissions_setup
211
212	USE chem_gasphase_mod, &
213	ONLY: nvar
214
215	USE chem_modules, &
216	ONLY: bc_cs_t_val, chem_species, cs_name, emissions_anthropogenic, n_matched_vars
217
218	USE chemistry_model_mod, &
219	ONLY: chem_boundary_conds
220
221	USE control_parameters, &
222	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
223	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
224	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
225	constant_flux_layer, constant_heatflux, create_disturbances, &
226	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
227	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
228	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
229	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
230	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
231	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
232	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
233	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
234	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
235	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
236	pt_slope_offset, random_heatflux, rans_mode, rans_tke_e, run_coupled, salsa, &
237	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
238	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
239	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
240	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
241	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
242	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
243	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
244	turbulent_inflow, turbulent_outflow, urban_surface, &
245	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
246	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca, timestep_count
247
248	USE cpulog, &
249	ONLY: cpu_log, log_point, log_point_s
250
251	USE diagnostic_output_quantities_mod, &
252	ONLY: doq_calculate, &
253	timestep_number_at_prev_calc
254
255	USE flight_mod, &
256	ONLY: flight_measurement
257
258	USE indices, &
259	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
260
261	USE indoor_model_mod, &
262	ONLY: dt_indoor, im_main_heatcool, time_indoor
263
264	USE interfaces
265
266	USE kinds
267
268	USE land_surface_model_mod, &
269	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
270
271	USE lagrangian_particle_model_mod, &
272	ONLY: lpm_data_output_ptseries
273
274	USE lsf_nudging_mod, &
275	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
276
277	USE module_interface, &
278	ONLY: module_interface_actions, module_interface_swap_timelevel, &
279	module_interface_boundary_conditions
280
281	USE multi_agent_system_mod, &
282	ONLY: agents_active, multi_agent_system
283
284	USE nesting_offl_mod, &
285	ONLY: nesting_offl_bc, &
286	nesting_offl_geostrophic_wind, &
287	nesting_offl_input, &
288	nesting_offl_interpolation_factor, &
289	nesting_offl_mass_conservation
290
291	USE netcdf_data_input_mod, &
292	ONLY: chem_emis, chem_emis_att
293
294	USE ocean_mod, &
295	ONLY: prho_reference
296
297	USE palm_date_time_mod, &
298	ONLY: get_date_time
299
300	USE particle_attributes, &
301	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
302
303	USE pegrid
304
305	USE pmc_interface, &
306	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
307	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
308	pmci_set_swaplevel
309
310	USE progress_bar, &
311	ONLY: finish_progress_bar, output_progress_bar
312
313	USE prognostic_equations_mod, &
314	ONLY: prognostic_equations_cache, prognostic_equations_vector
315
316	USE radiation_model_mod, &
317	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
318	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
319
320	USE salsa_mod, &
321	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
322	nbins_aerosol, ncomponents_mass, ngases_salsa, salsa_boundary_conds, &
323	salsa_emission_update, salsa_gas, salsa_gases_from_chem, skip_time_do_salsa
324
325	USE spectra_mod, &
326	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
327
328	USE statistics, &
329	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
330
331
332	USE surface_layer_fluxes_mod, &
333	ONLY: surface_layer_fluxes
334
335	USE surface_data_output_mod, &
336	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
337	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
338	skip_time_dosurf_av, time_dosurf, time_dosurf_av
339
340	USE surface_mod, &
341	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
342
343	USE synthetic_turbulence_generator_mod, &
344	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
345	time_stg_adjust, time_stg_call, use_syn_turb_gen
346
347	USE turbulence_closure_mod, &
348	ONLY: tcm_diffusivities
349
350	USE urban_surface_mod, &
351	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
352	usm_surface_energy_balance, usm_green_heat_model
353
354	USE vertical_nesting_mod, &
355	ONLY: vnested, vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
356	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init, vnest_init_fine, &
357	vnest_start_time
358
359	USE virtual_measurement_mod, &
360	ONLY: dt_virtual_measurement, &
361	time_virtual_measurement, &
362	vm_data_output, &
363	vm_sampling, &
364	vm_time_start
365
366
367	#if defined( _OPENACC )
368	USE arrays_3d, &
369	ONLY: d, dd2zu, ddzu, ddzw, drho_air, drho_air_zw, dzw, heatflux_output_conversion, kh, &
370	km, momentumflux_output_conversion, p, ptdf_x, ptdf_y, rdf, rdf_sc, rho_air, &
371	rho_air_zw, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, u_stokes_zu, vg, &
372	v_init, v_stokes_zu, zu
373
374	USE control_parameters, &
375	ONLY: tsc
376
377	USE indices, &
378	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
379
380	USE statistics, &
381	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
382	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
383	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
384	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l
385
386	USE surface_mod, &
387	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
388	#endif
389
390
391	IMPLICIT NONE
392
393	CHARACTER (LEN=9) :: time_to_string !<
394
395	INTEGER(iwp) :: hour !< hour of current time
396	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
397	INTEGER(iwp) :: ib !< index for aerosol size bins
398	INTEGER(iwp) :: ic !< index for aerosol mass bins
399	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
400	INTEGER(iwp) :: ig !< index for salsa gases
401	INTEGER(iwp) :: lsp !<
402	INTEGER(iwp) :: lsp_usr !<
403	INTEGER(iwp) :: mid !< masked output running index
404	INTEGER(iwp) :: n !< loop counter for chemistry species
405
406	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
407	!< steering of run control output interval
408	REAL(wp) :: time_since_reference_point_save !< original value of
409	!< time_since_reference_point
410
411
412	!
413	!-- Copy data from arrays_3d
414	!$ACC DATA &
415	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
416	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
417	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
418	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
419	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
420	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
421	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
422	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
423	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
424	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
425
426	!$ACC DATA &
427	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
428	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
429	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
430	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
431	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
432	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
433	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
434	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
435	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
436	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
437	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
438	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
439	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
440
441	!$ACC DATA &
442	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
443	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
444	!$ACC COPYIN(zu(nzb:nzt+1)) &
445	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
446	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
447	!$ACC COPYIN(ddzw(1:nzt+1)) &
448	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
449	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
450	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
451	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
452	!$ACC COPYIN(ref_state(0:nz+1)) &
453	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
454	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
455	!$ACC COPYIN(pt_init(0:nz+1)) &
456	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
457
458	!
459	!-- Copy data from control_parameters
460	!$ACC DATA &
461	!$ACC COPYIN(tsc(1:5))
462
463	!
464	!-- Copy data from indices
465	!$ACC DATA &
466	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
467	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
468	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
469
470	!
471	!-- Copy data from surface_mod
472	!$ACC DATA &
473	!$ACC COPYIN(bc_h(0:1)) &
474	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
475	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
476	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
477	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
478	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
479	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
480
481	!
482	!-- Copy data from statistics
483	!$ACC DATA &
484	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
485	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
486	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
487	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
488	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
489	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
490	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
491	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
492	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
493	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
494	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
495	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
496	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
497	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
498	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
499	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
500	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
501	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
502	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
503
504	#if defined( _OPENACC )
505	CALL enter_surface_arrays
506	#endif
507
508	!
509	!-- At beginning determine the first time step
510	CALL timestep
511	!
512	!-- Synchronize the timestep in case of nested run.
513	IF ( nested_run ) THEN
514	!
515	!-- Synchronization by unifying the time step.
516	!-- Global minimum of all time-steps is used for all.
517	CALL pmci_synchronize
518	ENDIF
519
520	!
521	!-- Determine and print out the run control quantities before the first time
522	!-- step of this run. For the initial run, some statistics (e.g. divergence)
523	!-- need to be determined first --> CALL flow_statistics at the beginning of
524	!-- run_control
525	CALL run_control
526	!
527	!-- Data exchange between coupled models in case that a call has been omitted
528	!-- at the end of the previous run of a job chain.
529	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
530	!
531	!-- In case of model termination initiated by the local model the coupler
532	!-- must not be called because this would again cause an MPI hang.
533	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
534	CALL surface_coupler
535	time_coupling = time_coupling - dt_coupling
536	ENDDO
537	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
538	time_coupling = time_since_reference_point
539	ENDIF
540	ENDIF
541
542	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
543
544	!
545	!-- Start of the time loop
546	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
547
548	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
549	!
550	!-- Vertical nesting: initialize fine grid
551	IF ( vnested ) THEN
552	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
553	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
554	CALL vnest_init_fine
555	vnest_init = .TRUE.
556	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
557	ENDIF
558	ENDIF
559	!
560	!-- Determine ug, vg and w_subs in dependence on data from external file
561	!-- LSF_DATA
562	IF ( large_scale_forcing .AND. lsf_vert ) THEN
563	CALL ls_forcing_vert ( simulated_time )
564	sums_ls_l = 0.0_wp
565	ENDIF
566
567	!
568	!-- Set pt_init and q_init to the current profiles taken from
569	!-- NUDGING_DATA
570	IF ( nudging ) THEN
571	CALL nudge_ref ( simulated_time )
572	!
573	!-- Store temperature gradient at the top boundary for possible Neumann
574	!-- boundary condition
575	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
576	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
577	IF ( air_chemistry ) THEN
578	DO lsp = 1, nvar
579	bc_cs_t_val = ( chem_species(lsp)%conc_pr_init(nzt+1) &
580	- chem_species(lsp)%conc_pr_init(nzt) ) &
581	/ dzu(nzt+1)
582	ENDDO
583	ENDIF
584	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
585	DO ib = 1, nbins_aerosol
586	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
587	dzu(nzt+1)
588	DO ic = 1, ncomponents_mass
589	icc = ( ic - 1 ) * nbins_aerosol + ib
590	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
591	dzu(nzt+1)
592	ENDDO
593	ENDDO
594	IF ( .NOT. salsa_gases_from_chem ) THEN
595	DO ig = 1, ngases_salsa
596	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
597	dzu(nzt+1)
598	ENDDO
599	ENDIF
600	ENDIF
601	ENDIF
602	!
603	!-- Input of boundary data.
604	IF ( nesting_offline ) CALL nesting_offl_input
605	!
606	!-- Execute all other module actions routines
607	CALL module_interface_actions( 'before_timestep' )
608
609	!-- Start of intermediate step loop
610	intermediate_timestep_count = 0
611	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
612
613	intermediate_timestep_count = intermediate_timestep_count + 1
614
615	!
616	!-- Set the steering factors for the prognostic equations which depend
617	!-- on the timestep scheme
618	CALL timestep_scheme_steering
619
620	!
621	!-- Calculate those variables needed in the tendency terms which need
622	!-- global communication
623	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
624	THEN
625	!
626	!-- Horizontally averaged profiles to be used as reference state in
627	!-- buoyancy terms (WARNING: only the respective last call of
628	!-- calc_mean_profile defines the reference state!)
629	IF ( .NOT. neutral ) THEN
630	CALL calc_mean_profile( pt, 4 )
631	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
632	ENDIF
633	IF ( ocean_mode ) THEN
634	CALL calc_mean_profile( rho_ocean, 64 )
635	ref_state(:) = hom(:,1,64,0)
636	ENDIF
637	IF ( humidity ) THEN
638	CALL calc_mean_profile( vpt, 44 )
639	ref_state(:) = hom(:,1,44,0)
640	ENDIF
641	!
642	!-- Assure that ref_state does not become zero at any level
643	!-- ( might be the case if a vertical level is completely occupied
644	!-- with topography ).
645	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
646	ENDIF
647
648	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
649	THEN
650	CALL ws_statistics
651	ENDIF
652	!
653	!-- In case of nudging calculate current nudging time scale and horizontal
654	!-- means of u, v, pt and q
655	IF ( nudging ) THEN
656	CALL calc_tnudge( simulated_time )
657	CALL calc_mean_profile( u, 1 )
658	CALL calc_mean_profile( v, 2 )
659	CALL calc_mean_profile( pt, 4 )
660	CALL calc_mean_profile( q, 41 )
661	ENDIF
662	!
663	!-- Execute all other module actions routunes
664	CALL module_interface_actions( 'before_prognostic_equations' )
665	!
666	!-- Solve the prognostic equations. A fast cache optimized version with
667	!-- only one single loop is used in case of Piascek-Williams advection
668	!-- scheme. NEC vector machines use a different version, because
669	!-- in the other versions a good vectorization is prohibited due to
670	!-- inlining problems.
671	IF ( loop_optimization == 'cache' ) THEN
672	CALL prognostic_equations_cache
673	ELSEIF ( loop_optimization == 'vector' ) THEN
674	CALL prognostic_equations_vector
675	ENDIF
676	!
677	!-- Movement of agents in multi agent system
678	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
679	time_since_reference_point <= multi_agent_system_end .AND. &
680	intermediate_timestep_count == 1 ) &
681	THEN
682	CALL multi_agent_system
683	first_call_mas = .FALSE.
684	ENDIF
685
686	!
687	!-- Exchange of ghost points (lateral boundary conditions)
688	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
689
690	CALL exchange_horiz( u_p, nbgp )
691	CALL exchange_horiz( v_p, nbgp )
692	CALL exchange_horiz( w_p, nbgp )
693	CALL exchange_horiz( pt_p, nbgp )
694	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
695	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
696	.OR. use_sgs_for_particles ) THEN
697	IF ( rans_tke_e ) THEN
698	CALL exchange_horiz( diss_p, nbgp )
699	ELSE
700	CALL exchange_horiz( diss, nbgp )
701	ENDIF
702	ENDIF
703	IF ( ocean_mode ) THEN
704	CALL exchange_horiz( sa_p, nbgp )
705	CALL exchange_horiz( rho_ocean, nbgp )
706	CALL exchange_horiz( prho, nbgp )
707	ENDIF
708	IF ( humidity ) THEN
709	CALL exchange_horiz( q_p, nbgp )
710	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
711	CALL exchange_horiz( qc_p, nbgp )
712	CALL exchange_horiz( nc_p, nbgp )
713	ENDIF
714	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
715	CALL exchange_horiz( qr_p, nbgp )
716	CALL exchange_horiz( nr_p, nbgp )
717	ENDIF
718	ENDIF
719	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
720	IF ( air_chemistry ) THEN
721	DO lsp = 1, nvar
722	CALL exchange_horiz( chem_species(lsp)%conc_p, nbgp )
723	ENDDO
724	ENDIF
725
726	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
727	DO ib = 1, nbins_aerosol
728	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp )
729	DO ic = 1, ncomponents_mass
730	icc = ( ic - 1 ) * nbins_aerosol + ib
731	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp )
732	ENDDO
733	ENDDO
734	IF ( .NOT. salsa_gases_from_chem ) THEN
735	DO ig = 1, ngases_salsa
736	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp )
737	ENDDO
738	ENDIF
739	ENDIF
740	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
741
742	!
743	!-- Boundary conditions for the prognostic quantities (except of the
744	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
745	!-- boundary conditions for module-specific variables
746	CALL module_interface_boundary_conditions
747	!
748	!-- Incrementing timestep counter
749	timestep_count = timestep_count + 1
750
751	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
752	!
753	!-- Set the swap level for all modules
754	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
755	!
756	!-- Set the swap level for steering the pmc data transfer
757	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
758
759	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
760
761	!
762	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
763	IF ( vnest_init ) THEN
764	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
765	CALL vnest_anterpolate
766	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
767	ENDIF
768
769	IF ( nested_run ) THEN
770
771	CALL cpu_log( log_point(60), 'nesting', 'start' )
772	!
773	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
774	!-- and pmci_child_datatrans are called inside the wrapper
775	!-- subroutine pmci_datatrans according to the control parameters
776	!-- nesting_mode and nesting_datatransfer_mode.
777	!-- TO_DO: why is nesting_mode given as a parameter here?
778	CALL pmci_datatrans( nesting_mode )
779
780	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
781
782	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
783	!
784	!-- Exchange_horiz is needed for all parent-domains after the
785	!-- anterpolation
786	CALL exchange_horiz( u, nbgp )
787	CALL exchange_horiz( v, nbgp )
788	CALL exchange_horiz( w, nbgp )
789	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
790
791	IF ( humidity ) THEN
792
793	CALL exchange_horiz( q, nbgp )
794
795	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
796	CALL exchange_horiz( qc, nbgp )
797	CALL exchange_horiz( nc, nbgp )
798	ENDIF
799	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
800	CALL exchange_horiz( qr, nbgp )
801	CALL exchange_horiz( nr, nbgp )
802	ENDIF
803
804	ENDIF
805
806	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
807
808	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
809
810	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
811	CALL exchange_horiz( diss, nbgp )
812	ENDIF
813
814	IF ( air_chemistry ) THEN
815	DO n = 1, nvar
816	CALL exchange_horiz( chem_species(n)%conc, nbgp )
817	ENDDO
818	ENDIF
819
820	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
821	DO ib = 1, nbins_aerosol
822	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp )
823	DO ic = 1, ncomponents_mass
824	icc = ( ic - 1 ) * nbins_aerosol + ib
825	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp )
826	ENDDO
827	ENDDO
828	IF ( .NOT. salsa_gases_from_chem ) THEN
829	DO ig = 1, ngases_salsa
830	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp )
831	ENDDO
832	ENDIF
833	ENDIF
834	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
835
836	ENDIF
837
838	!
839	!-- Set boundary conditions again after interpolation and anterpolation.
840	CALL pmci_boundary_conds
841
842	!
843	!-- Set chemistry boundary conditions (decycling)
844	IF ( air_chemistry ) THEN
845	DO lsp = 1, nvar
846	lsp_usr = 1
847	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
848	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
849	CALL chem_boundary_conds( chem_species(lsp)%conc, &
850	chem_species(lsp)%conc_pr_init )
851	ENDIF
852	lsp_usr = lsp_usr + 1
853	ENDDO
854	ENDDO
855	ENDIF
856
857	!
858	!-- Set SALSA boundary conditions (decycling)
859	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
860	DO ib = 1, nbins_aerosol
861	CALL salsa_boundary_conds( aerosol_number(ib)%conc, aerosol_number(ib)%init )
862	DO ic = 1, ncomponents_mass
863	icc = ( ic - 1 ) * nbins_aerosol + ib
864	CALL salsa_boundary_conds( aerosol_mass(icc)%conc, aerosol_mass(icc)%init )
865	ENDDO
866	ENDDO
867	IF ( .NOT. salsa_gases_from_chem ) THEN
868	DO ig = 1, ngases_salsa
869	CALL salsa_boundary_conds( salsa_gas(ig)%conc, salsa_gas(ig)%init )
870	ENDDO
871	ENDIF
872	ENDIF
873
874	CALL cpu_log( log_point(60), 'nesting', 'stop' )
875
876	ENDIF
877
878	!
879	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
880	!-- when a sloping surface is used
881	IF ( sloping_surface ) THEN
882	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
883	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
884	ENDIF
885
886	!
887	!-- Impose a turbulent inflow using the recycling method
888	IF ( turbulent_inflow ) CALL inflow_turbulence
889
890	!
891	!-- Set values at outflow boundary using the special outflow condition
892	IF ( turbulent_outflow ) CALL outflow_turbulence
893
894	!
895	!-- Impose a random perturbation on the horizontal velocity field
896	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
897	intermediate_timestep_count == intermediate_timestep_count_max ) &
898	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
899	THEN
900	time_disturb = time_disturb + dt_3d
901	IF ( time_disturb >= dt_disturb ) THEN
902	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
903	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
904	CALL disturb_field( 'u', tend, u )
905	CALL disturb_field( 'v', tend, v )
906	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
907	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
908	THEN
909	!
910	!-- Runs with a non-cyclic lateral wall need perturbations
911	!-- near the inflow throughout the whole simulation
912	dist_range = 1
913	CALL disturb_field( 'u', tend, u )
914	CALL disturb_field( 'v', tend, v )
915	dist_range = 0
916	ENDIF
917	time_disturb = time_disturb - dt_disturb
918	ENDIF
919	ENDIF
920
921	!
922	!-- Map forcing data derived from larger scale model onto domain
923	!-- boundaries. Further, update geostrophic wind components.
924	IF ( nesting_offline .AND. intermediate_timestep_count == &
925	intermediate_timestep_count_max ) THEN
926	!-- Determine interpolation factor before boundary conditions and geostrophic wind
927	!-- is updated.
928	CALL nesting_offl_interpolation_factor
929	CALL nesting_offl_bc
930	CALL nesting_offl_geostrophic_wind
931	ENDIF
932	!
933	!-- Impose a turbulent inflow using synthetic generated turbulence.
934	IF ( use_syn_turb_gen .AND. &
935	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
936	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
937	CALL stg_main
938	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
939	ENDIF
940	!
941	!-- Ensure mass conservation. This need to be done after imposing
942	!-- synthetic turbulence and top boundary condition for pressure is set to
943	!-- Neumann conditions.
944	!-- Is this also required in case of Dirichlet?
945	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
946	!
947	!-- Reduce the velocity divergence via the equation for perturbation
948	!-- pressure.
949	IF ( intermediate_timestep_count == 1 .OR. &
950	call_psolver_at_all_substeps ) THEN
951
952	IF ( vnest_init ) THEN
953	!
954	!-- Compute pressure in the CG, interpolate top boundary conditions
955	!-- to the FG and then compute pressure in the FG
956	IF ( coupling_mode == 'vnested_crse' ) CALL pres
957
958	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
959	CALL vnest_boundary_conds
960	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
961
962	IF ( coupling_mode == 'vnested_fine' ) CALL pres
963
964	!-- Anterpolate TKE, satisfy Germano Identity
965	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
966	CALL vnest_anterpolate_e
967	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
968
969	ELSE
970	!
971	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
972	IF ( child_domain ) THEN
973	IF ( nesting_mode == 'vertical' ) THEN
974	CALL pmci_ensure_nest_mass_conservation_vertical
975	ELSE
976	CALL pmci_ensure_nest_mass_conservation
977	ENDIF
978	ENDIF
979
980	CALL pres
981
982	ENDIF
983
984	ENDIF
985	!
986	!-- Particle transport/physics with the Lagrangian particle model
987	!-- (only once during intermediate steps, because it uses an Euler-step)
988	!-- ### particle model should be moved before prognostic_equations, in order
989	!-- to regard droplet interactions directly
990
991	CALL module_interface_actions( 'after_pressure_solver' )
992	!
993	!-- Interaction of droplets with temperature and mixing ratio.
994	!-- Droplet condensation and evaporation is calculated within
995	!-- advec_particles.
996	!
997	!-- If required, compute liquid water content
998	IF ( bulk_cloud_model ) THEN
999	CALL calc_liquid_water_content
1000	ENDIF
1001	!
1002	!-- If required, compute virtual potential temperature
1003	IF ( humidity ) THEN
1004	CALL compute_vpt
1005	ENDIF
1006
1007	!
1008	!-- Compute the diffusion quantities
1009	IF ( .NOT. constant_diffusion ) THEN
1010
1011	!
1012	!-- Determine surface fluxes shf and qsws and surface values
1013	!-- pt_surface and q_surface in dependence on data from external
1014	!-- file LSF_DATA respectively
1015	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
1016	intermediate_timestep_count == intermediate_timestep_count_max ) &
1017	THEN
1018	CALL ls_forcing_surf( simulated_time )
1019	ENDIF
1020
1021	!
1022	!-- First the vertical (and horizontal) fluxes in the surface
1023	!-- (constant flux) layer are computed
1024	IF ( constant_flux_layer ) THEN
1025	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
1026	CALL surface_layer_fluxes
1027	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
1028	ENDIF
1029	!
1030	!-- If required, solve the energy balance for the surface and run soil
1031	!-- model. Call for horizontal as well as vertical surfaces
1032	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
1033
1034	CALL cpu_log( log_point(54), 'land_surface', 'start' )
1035	!
1036	!-- Call for horizontal upward-facing surfaces
1037	CALL lsm_energy_balance( .TRUE., -1 )
1038	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
1039	!
1040	!-- Call for northward-facing surfaces
1041	CALL lsm_energy_balance( .FALSE., 0 )
1042	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
1043	!
1044	!-- Call for southward-facing surfaces
1045	CALL lsm_energy_balance( .FALSE., 1 )
1046	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
1047	!
1048	!-- Call for eastward-facing surfaces
1049	CALL lsm_energy_balance( .FALSE., 2 )
1050	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
1051	!
1052	!-- Call for westward-facing surfaces
1053	CALL lsm_energy_balance( .FALSE., 3 )
1054	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
1055
1056	!
1057	!-- At the end, set boundary conditons for potential temperature
1058	!-- and humidity after running the land-surface model. This
1059	!-- might be important for the nesting, where arrays are transfered.
1060	CALL lsm_boundary_condition
1061
1062
1063	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
1064	ENDIF
1065	!
1066	!-- If required, solve the energy balance for urban surfaces and run
1067	!-- the material heat model
1068	IF (urban_surface) THEN
1069	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
1070
1071	CALL usm_surface_energy_balance( .FALSE. )
1072	IF ( usm_material_model ) THEN
1073	CALL usm_green_heat_model
1074	CALL usm_material_heat_model ( .FALSE. )
1075	ENDIF
1076
1077	!
1078	!-- At the end, set boundary conditons for potential temperature
1079	!-- and humidity after running the urban-surface model. This
1080	!-- might be important for the nesting, where arrays are transfered.
1081	CALL usm_boundary_condition
1082
1083	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
1084	ENDIF
1085	!
1086	!-- Compute the diffusion coefficients
1087	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
1088	IF ( .NOT. humidity ) THEN
1089	IF ( ocean_mode ) THEN
1090	CALL tcm_diffusivities( prho, prho_reference )
1091	ELSE
1092	CALL tcm_diffusivities( pt, pt_reference )
1093	ENDIF
1094	ELSE
1095	CALL tcm_diffusivities( vpt, pt_reference )
1096	ENDIF
1097	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
1098	!
1099	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
1100	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
1101
1102	ENDIF
1103
1104	ENDDO ! Intermediate step loop
1105
1106	!
1107	!-- Will be used at some point by flow_statistics.
1108	!$ACC UPDATE &
1109	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
1110	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
1111	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
1112	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
1113	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
1114	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
1115	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
1116	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
1117	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
1118	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
1119	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
1120	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
1121	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
1122	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
1123	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
1124
1125	!
1126	!-- If required, calculate radiative fluxes and heating rates
1127	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
1128
1129	time_radiation = time_radiation + dt_3d
1130
1131	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
1132
1133	CALL cpu_log( log_point(50), 'radiation', 'start' )
1134
1135	IF ( .NOT. force_radiation_call ) THEN
1136	time_radiation = time_radiation - dt_radiation
1137	ENDIF
1138
1139	!
1140	!-- Adjust the current time to the time step of the radiation model.
1141	!-- Needed since radiation is pre-calculated and stored only on apparent
1142	!-- solar positions
1143	time_since_reference_point_save = time_since_reference_point
1144	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
1145	dt_radiation ), wp ) * dt_radiation
1146
1147	CALL radiation_control
1148
1149	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
1150	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
1151	CALL radiation_interaction
1152	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
1153	ENDIF
1154
1155	!
1156	!-- Return the current time to its original value
1157	time_since_reference_point = time_since_reference_point_save
1158
1159	CALL cpu_log( log_point(50), 'radiation', 'stop' )
1160
1161	ENDIF
1162	ENDIF
1163
1164	!
1165	!-- If required, consider chemical emissions
1166	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
1167	!
1168	!-- Call emission routine only once an hour
1169	!> @todo Move check of hour_call_emis into chem_emissions_setup
1170	CALL get_date_time( time_since_reference_point, hour=hour )
1171	IF ( hour_call_emis /= hour ) THEN
1172	!> @question Which of these two if-statements is correct?
1173	! IF ( hour_of_year > hour_call_emis ) THEN
1174	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
1175	hour_call_emis = hour
1176	ENDIF
1177	ENDIF
1178	!
1179	!-- If required, consider aerosol emissions for the salsa model
1180	IF ( salsa ) THEN
1181	!
1182	!-- Call emission routine to update emissions if needed
1183	CALL salsa_emission_update
1184
1185	ENDIF
1186	!
1187	!-- If required, calculate indoor temperature, waste heat, heat flux
1188	!-- through wall, etc.
1189	!-- dt_indoor steers the frequency of the indoor model calculations.
1190	!-- Note, at first timestep indoor model is called, in order to provide
1191	!-- a waste heat flux.
1192	IF ( indoor_model ) THEN
1193
1194	time_indoor = time_indoor + dt_3d
1195
1196	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
1197
1198	time_indoor = time_indoor - dt_indoor
1199
1200	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
1201	CALL im_main_heatcool
1202	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
1203
1204	ENDIF
1205	ENDIF
1206	!
1207	!-- Increase simulation time and output times
1208	nr_timesteps_this_run = nr_timesteps_this_run + 1
1209	current_timestep_number = current_timestep_number + 1
1210	simulated_time = simulated_time + dt_3d
1211	time_since_reference_point = simulated_time - coupling_start_time
1212	simulated_time_chr = time_to_string( time_since_reference_point )
1213
1214
1215	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
1216	time_do_av = time_do_av + dt_3d
1217	ENDIF
1218	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
1219	time_do2d_xy = time_do2d_xy + dt_3d
1220	ENDIF
1221	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
1222	time_do2d_xz = time_do2d_xz + dt_3d
1223	ENDIF
1224	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
1225	time_do2d_yz = time_do2d_yz + dt_3d
1226	ENDIF
1227	IF ( time_since_reference_point >= skip_time_do3d ) THEN
1228	time_do3d = time_do3d + dt_3d
1229	ENDIF
1230	DO mid = 1, masks
1231	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
1232	time_domask(mid)= time_domask(mid) + dt_3d
1233	ENDIF
1234	ENDDO
1235	IF ( time_since_reference_point >= skip_time_dosp ) THEN
1236	time_dosp = time_dosp + dt_3d
1237	ENDIF
1238	time_dots = time_dots + dt_3d
1239	IF ( .NOT. first_call_lpm ) THEN
1240	time_dopts = time_dopts + dt_3d
1241	ENDIF
1242	IF ( time_since_reference_point >= skip_time_dopr ) THEN
1243	time_dopr = time_dopr + dt_3d
1244	ENDIF
1245	time_dopr_listing = time_dopr_listing + dt_3d
1246	time_run_control = time_run_control + dt_3d
1247	!
1248	!-- Increment time-counter for surface output
1249	IF ( surface_output ) THEN
1250	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
1251	time_dosurf = time_dosurf + dt_3d
1252	ENDIF
1253	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
1254	time_dosurf_av = time_dosurf_av + dt_3d
1255	ENDIF
1256	ENDIF
1257	!
1258	!-- Increment time-counter for virtual measurements
1259	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
1260	time_virtual_measurement = time_virtual_measurement + dt_3d
1261	ENDIF
1262	!
1263	!-- In case of synthetic turbulence generation and parametrized turbulence
1264	!-- information, update the time counter and if required, adjust the
1265	!-- STG to new atmospheric conditions.
1266	IF ( use_syn_turb_gen ) THEN
1267	IF ( parametrize_inflow_turbulence ) THEN
1268	time_stg_adjust = time_stg_adjust + dt_3d
1269	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
1270	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1271	CALL stg_adjust
1272	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1273	ENDIF
1274	ENDIF
1275	time_stg_call = time_stg_call + dt_3d
1276	ENDIF
1277
1278	!
1279	!-- Data exchange between coupled models
1280	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
1281	time_coupling = time_coupling + dt_3d
1282
1283	!
1284	!-- In case of model termination initiated by the local model
1285	!-- (terminate_coupled > 0), the coupler must be skipped because it would
1286	!-- cause an MPI intercomminucation hang.
1287	!-- If necessary, the coupler will be called at the beginning of the
1288	!-- next restart run.
1289	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
1290	CALL surface_coupler
1291	time_coupling = time_coupling - dt_coupling
1292	ENDDO
1293	ENDIF
1294
1295	!
1296	!-- Biometeorology calculation of stationary thermal indices
1297	!-- Todo (kanani): biometeorology needs own time_... treatment.
1298	!-- It might be that time_do2d_xy differs from time_do3d,
1299	!-- and then we might get trouble with the biomet output,
1300	!-- because we can have 2d and/or 3d biomet output!!
1301	IF ( biometeorology &
1302	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
1303	.OR. &
1304	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
1305	) ) THEN
1306	!
1307	!-- If required, do thermal comfort calculations
1308	IF ( thermal_comfort ) THEN
1309	CALL bio_calculate_thermal_index_maps ( .FALSE. )
1310	ENDIF
1311	!
1312	!-- If required, do UV exposure calculations
1313	IF ( uv_exposure ) THEN
1314	CALL bio_calculate_uv_exposure
1315	ENDIF
1316	ENDIF
1317
1318	!
1319	!-- Execute alle other module actions routunes
1320	CALL module_interface_actions( 'after_integration' )
1321
1322	!
1323	!-- If Galilei transformation is used, determine the distance that the
1324	!-- model has moved so far
1325	IF ( galilei_transformation ) THEN
1326	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
1327	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
1328	ENDIF
1329
1330	!
1331	!-- Check, if restart is necessary (because cpu-time is expiring or
1332	!-- because it is forced by user) and set stop flag
1333	!-- This call is skipped if the remote model has already initiated a restart.
1334	IF ( .NOT. terminate_run ) CALL check_for_restart
1335
1336	!
1337	!-- Carry out statistical analysis and output at the requested output times.
1338	!-- The MOD function is used for calculating the output time counters (like
1339	!-- time_dopr) in order to regard a possible decrease of the output time
1340	!-- interval in case of restart runs
1341
1342	!
1343	!-- Set a flag indicating that so far no statistics have been created
1344	!-- for this time step
1345	flow_statistics_called = .FALSE.
1346
1347	!
1348	!-- If required, call flow_statistics for averaging in time
1349	IF ( averaging_interval_pr /= 0.0_wp .AND. &
1350	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
1351	time_since_reference_point >= skip_time_dopr ) THEN
1352	time_dopr_av = time_dopr_av + dt_3d
1353	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
1354	do_sum = .TRUE.
1355	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
1356	ENDIF
1357	ENDIF
1358	IF ( do_sum ) CALL flow_statistics
1359
1360	!
1361	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
1362	IF ( averaging_interval /= 0.0_wp .AND. &
1363	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
1364	time_since_reference_point >= skip_time_data_output_av ) &
1365	THEN
1366	time_do_sla = time_do_sla + dt_3d
1367	IF ( time_do_sla >= dt_averaging_input ) THEN
1368	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1369	CALL doq_calculate
1370
1371	CALL sum_up_3d_data
1372	average_count_3d = average_count_3d + 1
1373	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
1374	ENDIF
1375	ENDIF
1376	!
1377	!-- Average surface data
1378	IF ( surface_output ) THEN
1379	IF ( averaging_interval_surf /= 0.0_wp &
1380	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
1381	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1382	IF ( time_dosurf_av >= dt_averaging_input ) THEN
1383	CALL surface_data_output_averaging
1384	average_count_surf = average_count_surf + 1
1385	ENDIF
1386	ENDIF
1387	ENDIF
1388
1389	!
1390	!-- Calculate spectra for time averaging
1391	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
1392	.AND. time_since_reference_point >= skip_time_dosp ) THEN
1393	time_dosp_av = time_dosp_av + dt_3d
1394	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
1395	CALL calc_spectra
1396	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
1397	ENDIF
1398	ENDIF
1399
1400	!
1401	!-- Call flight module and output data
1402	IF ( virtual_flight ) THEN
1403	CALL flight_measurement
1404	CALL data_output_flight
1405	ENDIF
1406	!
1407	!-- Take virtual measurements
1408	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
1409	.AND. vm_time_start <= time_since_reference_point ) THEN
1410	CALL vm_sampling
1411	CALL vm_data_output
1412	time_virtual_measurement = MOD( time_virtual_measurement, &
1413	MAX( dt_virtual_measurement, dt_3d ) )
1414	ENDIF
1415	!
1416	!-- Profile output (ASCII) on file
1417	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
1418	CALL print_1d
1419	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
1420	ENDIF
1421
1422	!
1423	!-- Graphic output for PROFIL
1424	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
1425	IF ( dopr_n /= 0 ) CALL data_output_profiles
1426	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
1427	time_dopr_av = 0.0_wp ! due to averaging (see above)
1428	ENDIF
1429
1430	!
1431	!-- Graphic output for time series
1432	IF ( time_dots >= dt_dots ) THEN
1433	CALL data_output_tseries
1434	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
1435	ENDIF
1436
1437	!
1438	!-- Output of spectra (formatted for use with PROFIL), in case of no
1439	!-- time averaging, spectra has to be calculated before
1440	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
1441	IF ( average_count_sp == 0 ) CALL calc_spectra
1442	CALL data_output_spectra
1443	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
1444	ENDIF
1445
1446	!
1447	!-- 2d-data output (cross-sections)
1448	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
1449	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1450	CALL doq_calculate
1451
1452	CALL data_output_2d( 'xy', 0 )
1453	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
1454	ENDIF
1455	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
1456	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1457
1458	CALL doq_calculate
1459	CALL data_output_2d( 'xz', 0 )
1460	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
1461	ENDIF
1462	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
1463	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1464	CALL doq_calculate
1465
1466	CALL data_output_2d( 'yz', 0 )
1467	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
1468	ENDIF
1469
1470	!
1471	!-- 3d-data output (volume data)
1472	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
1473	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1474	CALL doq_calculate
1475
1476	CALL data_output_3d( 0 )
1477	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
1478	ENDIF
1479
1480	!
1481	!-- Masked data output
1482	DO mid = 1, masks
1483	IF ( time_domask(mid) >= dt_domask(mid) &
1484	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
1485	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1486	CALL doq_calculate
1487
1488	CALL data_output_mask( 0, mid )
1489	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
1490	ENDIF
1491	ENDDO
1492
1493	!
1494	!-- Output of time-averaged 2d/3d/masked data
1495	IF ( time_do_av >= dt_data_output_av &
1496	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
1497	CALL average_3d_data
1498	!
1499	!-- Udate thermal comfort indices based on updated averaged input
1500	IF ( biometeorology .AND. thermal_comfort ) THEN
1501	CALL bio_calculate_thermal_index_maps ( .TRUE. )
1502	ENDIF
1503	CALL data_output_2d( 'xy', 1 )
1504	CALL data_output_2d( 'xz', 1 )
1505	CALL data_output_2d( 'yz', 1 )
1506	CALL data_output_3d( 1 )
1507	DO mid = 1, masks
1508	CALL data_output_mask( 1, mid )
1509	ENDDO
1510	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
1511	ENDIF
1512	!
1513	!-- Output of surface data, instantaneous and averaged data
1514	IF ( surface_output ) THEN
1515	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
1516	CALL surface_data_output( 0 )
1517	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
1518	ENDIF
1519	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1520	CALL surface_data_output( 1 )
1521	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
1522	ENDIF
1523	ENDIF
1524
1525	!
1526	!-- Output of particle time series
1527	IF ( particle_advection ) THEN
1528	IF ( time_dopts >= dt_dopts .OR. &
1529	( time_since_reference_point >= particle_advection_start .AND. &
1530	first_call_lpm ) ) THEN
1531	CALL lpm_data_output_ptseries
1532	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
1533	ENDIF
1534	ENDIF
1535
1536	!
1537	!-- If required, set the heat flux for the next time step to a random value
1538	IF ( constant_heatflux .AND. random_heatflux ) THEN
1539	IF ( surf_def_h(0)%ns >= 1 ) THEN
1540	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1541	CALL disturb_heatflux( surf_def_h(0) )
1542	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1543	ENDIF
1544	IF ( surf_lsm_h%ns >= 1 ) THEN
1545	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1546	CALL disturb_heatflux( surf_lsm_h )
1547	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1548	ENDIF
1549	IF ( surf_usm_h%ns >= 1 ) THEN
1550	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1551	CALL disturb_heatflux( surf_usm_h )
1552	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1553	ENDIF
1554	ENDIF
1555
1556	!
1557	!-- Execute alle other module actions routunes
1558	CALL module_interface_actions( 'after_timestep' )
1559
1560	!
1561	!-- Determine size of next time step. Save timestep dt_3d because it is
1562	!-- newly calculated in routine timestep, but required further below for
1563	!-- steering the run control output interval
1564	dt_3d_old = dt_3d
1565	CALL timestep
1566
1567	!
1568	!-- Synchronize the timestep in case of nested run.
1569	IF ( nested_run ) THEN
1570	!
1571	!-- Synchronize by unifying the time step.
1572	!-- Global minimum of all time-steps is used for all.
1573	CALL pmci_synchronize
1574	ENDIF
1575
1576	!
1577	!-- Computation and output of run control parameters.
1578	!-- This is also done whenever perturbations have been imposed
1579	IF ( time_run_control >= dt_run_control .OR. &
1580	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
1581	THEN
1582	CALL run_control
1583	IF ( time_run_control >= dt_run_control ) THEN
1584	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
1585	ENDIF
1586	ENDIF
1587
1588	!
1589	!-- Output elapsed simulated time in form of a progress bar on stdout
1590	IF ( myid == 0 ) CALL output_progress_bar
1591
1592	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
1593
1594
1595	ENDDO ! time loop
1596
1597	#if defined( _OPENACC )
1598	CALL exit_surface_arrays
1599	#endif
1600	!$ACC END DATA
1601	!$ACC END DATA
1602	!$ACC END DATA
1603	!$ACC END DATA
1604	!$ACC END DATA
1605	!$ACC END DATA
1606	!$ACC END DATA
1607
1608	!
1609	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
1610	IF ( vnest_init ) CALL vnest_deallocate
1611
1612	IF ( myid == 0 ) CALL finish_progress_bar
1613
1614	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
1615
1616	END SUBROUTINE time_integration

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