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source: palm/trunk/SOURCE/time_integration.f90 @ 4346

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

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