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source: palm/trunk/SOURCE/time_integration.f90 @ 4233

Last change on this file since 4233 was 4227, checked in by gronemeier, 5 years ago
implement new palm_date_time_mod; replaced namelist parameters time_utc_init and day_of_year_init by origin_date_time
Property svn:keywords set to `Id`
File size: 69.5 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 1997-2019 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: time_integration.f90 4227 2019-09-10 18:04:34Z knoop $
27	! implement new palm_date_time_mod
28	!
29	! 4226 2019-09-10 17:03:24Z suehring
30	! Changes in interface for the offline nesting
31	!
32	! 4182 2019-08-22 15:20:23Z scharf
33	! Corrected "Former revisions" section
34	!
35	! 4170 2019-08-19 17:12:31Z gronemeier
36	! copy diss, diss_p, tdiss_m to GPU
37	!
38	! 4144 2019-08-06 09:11:47Z raasch
39	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
40	!
41	! 4126 2019-07-30 11:09:11Z gronemeier
42	! renamed routine to calculate uv exposure
43	!
44	! 4111 2019-07-22 18:16:57Z suehring
45	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
46	!
47	! 4069 2019-07-01 14:05:51Z Giersch
48	! Masked output running index mid has been introduced as a local variable to
49	! avoid runtime error (Loop variable has been modified) in time_integration
50	!
51	! 4064 2019-07-01 05:33:33Z gronemeier
52	! Moved call to radiation module out of intermediate time loop
53	!
54	! 4048 2019-06-21 21:00:21Z knoop
55	! Moved production_e_init call into turbulence_closure_mod
56	!
57	! 4047 2019-06-21 18:58:09Z knoop
58	! Added remainings of swap_timelevel upon its dissolution
59	!
60	! 4043 2019-06-18 16:59:00Z schwenkel
61	! Further LPM modularization
62	!
63	! 4039 2019-06-18 10:32:41Z suehring
64	! Rename subroutines in module for diagnostic quantities
65	!
66	! 4029 2019-06-14 14:04:35Z raasch
67	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
68	! bugfix: decycling of chemistry species after nesting data transfer
69	!
70	! 4022 2019-06-12 11:52:39Z suehring
71	! Call synthetic turbulence generator at last RK3 substep right after boundary
72	! conditions are updated in offline nesting in order to assure that
73	! perturbations are always imposed
74	!
75	! 4017 2019-06-06 12:16:46Z schwenkel
76	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
77	!
78	! 3994 2019-05-22 18:08:09Z suehring
79	! output of turbulence intensity added
80	!
81	! 3988 2019-05-22 11:32:37Z kanani
82	! Implement steerable output interval for virtual measurements
83	!
84	! 3968 2019-05-13 11:04:01Z suehring
85	! replace nspec_out with n_matched_vars
86	!
87	! 3929 2019-04-24 12:52:08Z banzhafs
88	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
89	! chem_boundary_conds_decycle
90	!
91	!
92	! 3885 2019-04-11 11:29:34Z kanani
93	! Changes related to global restructuring of location messages and introduction
94	! of additional debug messages
95	!
96	! 3879 2019-04-08 20:25:23Z knoop
97	! Moved wtm_forces to module_interface_actions
98	!
99	! 3872 2019-04-08 15:03:06Z knoop
100	! Modifications made for salsa:
101	! - Call salsa_emission_update at each time step but do the checks within
102	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
103	! and next_aero_emission_update <= time_since_reference_point ).
104	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
105	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
106	! - Apply nesting for salsa variables
107	! - Removed cpu_log calls speciffic for salsa.
108	!
109	! 3833 2019-03-28 15:04:04Z forkel
110	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
111	!
112	! 3820 2019-03-27 11:53:41Z forkel
113	! renamed do_emiss to emissions_anthropogenic (ecc)
114	!
115	!
116	! 3774 2019-03-04 10:52:49Z moh.hefny
117	! rephrase if statement to avoid unallocated array in case of
118	! nesting_offline is false (crashing during debug mode)
119	!
120	! 3761 2019-02-25 15:31:42Z raasch $
121	! module section re-formatted and openacc required variables moved to separate section,
122	! re-formatting to 100 char line width
123	!
124	! 3745 2019-02-15 18:57:56Z suehring
125	! Call indoor model after first timestep
126	!
127	! 3744 2019-02-15 18:38:58Z suehring
128	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
129	! time_integration to make sure averaged input is updated before calculating.
130	!
131	! 3739 2019-02-13 08:05:17Z dom_dwd_user
132	! Removed everything related to "time_bio_results" as this is never used.
133	!
134	! 3724 2019-02-06 16:28:23Z kanani
135	! Correct double-used log_point_s unit
136	!
137	! 3719 2019-02-06 13:10:18Z kanani
138	! - removed wind_turbine cpu measurement, since same time is measured inside
139	! wtm_forces subroutine as special measures
140	! - moved the numerous vnest cpulog to special measures
141	! - extended radiation cpulog over entire radiation part,
142	! moved radiation_interactions cpulog to special measures
143	! - moved some cpu_log calls to this routine for better overview
144	!
145	! 3705 2019-01-29 19:56:39Z suehring
146	! Data output for virtual measurements added
147	!
148	! 3704 2019-01-29 19:51:41Z suehring
149	! Rename subroutines for surface-data output
150	!
151	! 3647 2019-01-02 14:10:44Z kanani
152	! Bugfix: add time_since_reference_point to IF clause for data_output calls
153	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
154	! Clean up indoor_model and biometeorology model call.
155	!
156	! Revision 1.1 1997/08/11 06:19:04 raasch
157	! Initial revision
158	!
159	!
160	! Description:
161	! ------------
162	!> Integration in time of the model equations, statistical analysis and graphic
163	!> output
164	!------------------------------------------------------------------------------!
165	SUBROUTINE time_integration
166
167
168	USE advec_ws, &
169	ONLY: ws_statistics
170
171	USE arrays_3d, &
172	ONLY: diss, diss_p, dzu, e, e_p, nc, nc_p, nr, nr_p, prho, pt, pt_p, pt_init, q_init, q, &
173	qc, qc_p, ql, ql_c, ql_v, ql_vp, qr, qr_p, q_p, ref_state, rho_ocean, s, s_p, sa_p, &
174	tend, u, u_p, v, vpt, v_p, w, w_p
175
176	USE biometeorology_mod, &
177	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
178	uv_exposure
179
180	USE bulk_cloud_model_mod, &
181	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
182	microphysics_morrison, microphysics_seifert
183
184	USE calc_mean_profile_mod, &
185	ONLY: calc_mean_profile
186
187	USE chem_emissions_mod, &
188	ONLY: chem_emissions_setup
189
190	USE chem_gasphase_mod, &
191	ONLY: nvar
192
193	USE chem_modules, &
194	ONLY: bc_cs_t_val, chem_species, cs_name, emissions_anthropogenic, n_matched_vars
195
196	USE chemistry_model_mod, &
197	ONLY: chem_boundary_conds
198
199	USE control_parameters, &
200	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
201	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
202	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
203	cloud_droplets, constant_flux_layer, constant_heatflux, create_disturbances, &
204	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
205	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
206	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
207	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
208	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
209	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
210	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
211	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
212	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
213	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
214	pt_slope_offset, random_heatflux, rans_mode, rans_tke_e, run_coupled, salsa, &
215	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
216	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
217	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
218	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
219	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
220	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
221	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
222	turbulent_inflow, turbulent_outflow, urban_surface, &
223	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
224	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca, timestep_count
225
226	USE cpulog, &
227	ONLY: cpu_log, log_point, log_point_s
228
229	USE diagnostic_output_quantities_mod, &
230	ONLY: doq_calculate, &
231	timestep_number_at_prev_calc
232
233	USE flight_mod, &
234	ONLY: flight_measurement
235
236	USE indices, &
237	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
238
239	USE indoor_model_mod, &
240	ONLY: dt_indoor, im_main_heatcool, time_indoor
241
242	USE interfaces
243
244	USE kinds
245
246	USE land_surface_model_mod, &
247	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
248
249	USE lagrangian_particle_model_mod, &
250	ONLY: lpm_data_output_ptseries, lpm_interaction_droplets_ptq
251
252	USE lsf_nudging_mod, &
253	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
254
255	USE module_interface, &
256	ONLY: module_interface_actions, module_interface_swap_timelevel
257
258	USE multi_agent_system_mod, &
259	ONLY: agents_active, multi_agent_system
260
261	USE nesting_offl_mod, &
262	ONLY: nesting_offl_bc, &
263	nesting_offl_geostrophic_wind, &
264	nesting_offl_input, &
265	nesting_offl_interpolation_factor, &
266	nesting_offl_mass_conservation
267
268	USE netcdf_data_input_mod, &
269	ONLY: chem_emis, chem_emis_att
270
271	USE ocean_mod, &
272	ONLY: prho_reference
273
274	USE palm_date_time_mod, &
275	ONLY: get_date_time
276
277	USE particle_attributes, &
278	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
279
280	USE pegrid
281
282	USE pmc_interface, &
283	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
284	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
285	pmci_set_swaplevel
286
287	USE progress_bar, &
288	ONLY: finish_progress_bar, output_progress_bar
289
290	USE prognostic_equations_mod, &
291	ONLY: prognostic_equations_cache, prognostic_equations_vector
292
293	USE radiation_model_mod, &
294	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
295	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
296
297	USE salsa_mod, &
298	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
299	nbins_aerosol, ncomponents_mass, ngases_salsa, salsa_boundary_conds, &
300	salsa_emission_update, salsa_gas, salsa_gases_from_chem, skip_time_do_salsa
301
302	USE spectra_mod, &
303	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
304
305	USE statistics, &
306	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
307
308
309	USE surface_layer_fluxes_mod, &
310	ONLY: surface_layer_fluxes
311
312	USE surface_data_output_mod, &
313	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
314	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
315	skip_time_dosurf_av, time_dosurf, time_dosurf_av
316
317	USE surface_mod, &
318	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
319
320	USE synthetic_turbulence_generator_mod, &
321	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
322	time_stg_adjust, time_stg_call, use_syn_turb_gen
323
324	USE turbulence_closure_mod, &
325	ONLY: tcm_diffusivities
326
327	USE urban_surface_mod, &
328	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
329	usm_surface_energy_balance, usm_green_heat_model
330
331	USE vertical_nesting_mod, &
332	ONLY: vnested, vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
333	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init, vnest_init_fine, &
334	vnest_start_time
335
336	USE virtual_measurement_mod, &
337	ONLY: dt_virtual_measurement, &
338	time_virtual_measurement, &
339	vm_data_output, &
340	vm_sampling, &
341	vm_time_start
342
343
344	#if defined( _OPENACC )
345	USE arrays_3d, &
346	ONLY: d, dd2zu, ddzu, ddzw, drho_air, drho_air_zw, dzw, heatflux_output_conversion, kh, &
347	km, momentumflux_output_conversion, p, ptdf_x, ptdf_y, rdf, rdf_sc, rho_air, &
348	rho_air_zw, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, u_stokes_zu, vg, &
349	v_init, v_stokes_zu, zu
350
351	USE control_parameters, &
352	ONLY: tsc
353
354	USE indices, &
355	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_0
356
357	USE statistics, &
358	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
359	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
360	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
361	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l
362
363	USE surface_mod, &
364	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
365	#endif
366
367
368	IMPLICIT NONE
369
370	CHARACTER (LEN=9) :: time_to_string !<
371
372	INTEGER(iwp) :: hour !< hour of current time
373	INTEGER(iwp) :: hour_call_emis !< last hour where emission was called
374	INTEGER(iwp) :: ib !< index for aerosol size bins
375	INTEGER(iwp) :: ic !< index for aerosol mass bins
376	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
377	INTEGER(iwp) :: ig !< index for salsa gases
378	INTEGER(iwp) :: lsp !<
379	INTEGER(iwp) :: lsp_usr !<
380	INTEGER(iwp) :: mid !< masked output running index
381	INTEGER(iwp) :: n !< loop counter for chemistry species
382
383	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
384	!< steering of run control output interval
385	REAL(wp) :: time_since_reference_point_save !< original value of
386	!< time_since_reference_point
387
388
389	!
390	!-- Copy data from arrays_3d
391	!$ACC DATA &
392	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
393	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
394	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
395	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
396	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
397	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
398	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
399	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
400	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
401	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
402
403	!$ACC DATA &
404	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
405	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
406	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
407	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
408	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
409	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
410	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
411	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
412	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
413	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
414	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
415	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
416	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
417
418	!$ACC DATA &
419	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
420	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
421	!$ACC COPYIN(zu(nzb:nzt+1)) &
422	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
423	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
424	!$ACC COPYIN(ddzw(1:nzt+1)) &
425	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
426	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
427	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
428	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
429	!$ACC COPYIN(ref_state(0:nz+1)) &
430	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
431	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
432	!$ACC COPYIN(pt_init(0:nz+1)) &
433	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
434
435	!
436	!-- Copy data from control_parameters
437	!$ACC DATA &
438	!$ACC COPYIN(tsc(1:5))
439
440	!
441	!-- Copy data from indices
442	!$ACC DATA &
443	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
444	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
445	!$ACC COPYIN(wall_flags_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
446
447	!
448	!-- Copy data from surface_mod
449	!$ACC DATA &
450	!$ACC COPYIN(bc_h(0:1)) &
451	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
452	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
453	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
454	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
455	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
456	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
457
458	!
459	!-- Copy data from statistics
460	!$ACC DATA &
461	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
462	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
463	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
464	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
465	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
466	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
467	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
468	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
469	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
470	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
471	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
472	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
473	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
474	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
475	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
476	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
477	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
478	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
479	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
480
481	#if defined( _OPENACC )
482	CALL enter_surface_arrays
483	#endif
484
485	!
486	!-- At beginning determine the first time step
487	CALL timestep
488	!
489	!-- Synchronize the timestep in case of nested run.
490	IF ( nested_run ) THEN
491	!
492	!-- Synchronization by unifying the time step.
493	!-- Global minimum of all time-steps is used for all.
494	CALL pmci_synchronize
495	ENDIF
496
497	!
498	!-- Determine and print out the run control quantities before the first time
499	!-- step of this run. For the initial run, some statistics (e.g. divergence)
500	!-- need to be determined first --> CALL flow_statistics at the beginning of
501	!-- run_control
502	CALL run_control
503	!
504	!-- Data exchange between coupled models in case that a call has been omitted
505	!-- at the end of the previous run of a job chain.
506	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
507	!
508	!-- In case of model termination initiated by the local model the coupler
509	!-- must not be called because this would again cause an MPI hang.
510	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
511	CALL surface_coupler
512	time_coupling = time_coupling - dt_coupling
513	ENDDO
514	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
515	time_coupling = time_since_reference_point
516	ENDIF
517	ENDIF
518
519	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
520
521	!
522	!-- Start of the time loop
523	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
524
525	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
526	!
527	!-- Vertical nesting: initialize fine grid
528	IF ( vnested ) THEN
529	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
530	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
531	CALL vnest_init_fine
532	vnest_init = .TRUE.
533	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
534	ENDIF
535	ENDIF
536	!
537	!-- Determine ug, vg and w_subs in dependence on data from external file
538	!-- LSF_DATA
539	IF ( large_scale_forcing .AND. lsf_vert ) THEN
540	CALL ls_forcing_vert ( simulated_time )
541	sums_ls_l = 0.0_wp
542	ENDIF
543
544	!
545	!-- Set pt_init and q_init to the current profiles taken from
546	!-- NUDGING_DATA
547	IF ( nudging ) THEN
548	CALL nudge_ref ( simulated_time )
549	!
550	!-- Store temperature gradient at the top boundary for possible Neumann
551	!-- boundary condition
552	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
553	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
554	IF ( air_chemistry ) THEN
555	DO lsp = 1, nvar
556	bc_cs_t_val = ( chem_species(lsp)%conc_pr_init(nzt+1) &
557	- chem_species(lsp)%conc_pr_init(nzt) ) &
558	/ dzu(nzt+1)
559	ENDDO
560	ENDIF
561	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
562	DO ib = 1, nbins_aerosol
563	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
564	dzu(nzt+1)
565	DO ic = 1, ncomponents_mass
566	icc = ( ic - 1 ) * nbins_aerosol + ib
567	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
568	dzu(nzt+1)
569	ENDDO
570	ENDDO
571	IF ( .NOT. salsa_gases_from_chem ) THEN
572	DO ig = 1, ngases_salsa
573	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
574	dzu(nzt+1)
575	ENDDO
576	ENDIF
577	ENDIF
578	ENDIF
579	!
580	!-- Input of boundary data.
581	IF ( nesting_offline ) CALL nesting_offl_input
582	!
583	!-- Execute all other module actions routunes
584	CALL module_interface_actions( 'before_timestep' )
585
586	!
587	!-- Start of intermediate step loop
588	intermediate_timestep_count = 0
589	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
590
591	intermediate_timestep_count = intermediate_timestep_count + 1
592
593	!
594	!-- Set the steering factors for the prognostic equations which depend
595	!-- on the timestep scheme
596	CALL timestep_scheme_steering
597
598	!
599	!-- Calculate those variables needed in the tendency terms which need
600	!-- global communication
601	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
602	THEN
603	!
604	!-- Horizontally averaged profiles to be used as reference state in
605	!-- buoyancy terms (WARNING: only the respective last call of
606	!-- calc_mean_profile defines the reference state!)
607	IF ( .NOT. neutral ) THEN
608	CALL calc_mean_profile( pt, 4 )
609	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
610	ENDIF
611	IF ( ocean_mode ) THEN
612	CALL calc_mean_profile( rho_ocean, 64 )
613	ref_state(:) = hom(:,1,64,0)
614	ENDIF
615	IF ( humidity ) THEN
616	CALL calc_mean_profile( vpt, 44 )
617	ref_state(:) = hom(:,1,44,0)
618	ENDIF
619	!
620	!-- Assure that ref_state does not become zero at any level
621	!-- ( might be the case if a vertical level is completely occupied
622	!-- with topography ).
623	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
624	ENDIF
625
626	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
627	THEN
628	CALL ws_statistics
629	ENDIF
630	!
631	!-- In case of nudging calculate current nudging time scale and horizontal
632	!-- means of u, v, pt and q
633	IF ( nudging ) THEN
634	CALL calc_tnudge( simulated_time )
635	CALL calc_mean_profile( u, 1 )
636	CALL calc_mean_profile( v, 2 )
637	CALL calc_mean_profile( pt, 4 )
638	CALL calc_mean_profile( q, 41 )
639	ENDIF
640	!
641	!-- Execute all other module actions routunes
642	CALL module_interface_actions( 'before_prognostic_equations' )
643	!
644	!-- Solve the prognostic equations. A fast cache optimized version with
645	!-- only one single loop is used in case of Piascek-Williams advection
646	!-- scheme. NEC vector machines use a different version, because
647	!-- in the other versions a good vectorization is prohibited due to
648	!-- inlining problems.
649	IF ( loop_optimization == 'cache' ) THEN
650	CALL prognostic_equations_cache
651	ELSEIF ( loop_optimization == 'vector' ) THEN
652	CALL prognostic_equations_vector
653	ENDIF
654
655	!
656	!-- Particle transport/physics with the Lagrangian particle model
657	!-- (only once during intermediate steps, because it uses an Euler-step)
658	!-- ### particle model should be moved before prognostic_equations, in order
659	!-- to regard droplet interactions directly
660	IF ( particle_advection .AND. time_since_reference_point >= particle_advection_start &
661	.AND. intermediate_timestep_count == 1 ) &
662	THEN
663	CALL module_interface_actions( 'after_prognostic_equations' )
664	first_call_lpm = .FALSE.
665	ENDIF
666
667	!
668	!-- Interaction of droplets with temperature and mixing ratio.
669	!-- Droplet condensation and evaporation is calculated within
670	!-- advec_particles.
671	IF ( cloud_droplets .AND. intermediate_timestep_count == intermediate_timestep_count_max ) &
672	THEN
673	CALL lpm_interaction_droplets_ptq
674	ENDIF
675
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 ( cloud_droplets ) THEN
720	CALL exchange_horiz( ql, nbgp )
721	CALL exchange_horiz( ql_c, nbgp )
722	CALL exchange_horiz( ql_v, nbgp )
723	CALL exchange_horiz( ql_vp, nbgp )
724	ENDIF
725	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
726	IF ( air_chemistry ) THEN
727	DO lsp = 1, nvar
728	CALL exchange_horiz( chem_species(lsp)%conc_p, nbgp )
729	ENDDO
730	ENDIF
731
732	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
733	DO ib = 1, nbins_aerosol
734	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp )
735	DO ic = 1, ncomponents_mass
736	icc = ( ic - 1 ) * nbins_aerosol + ib
737	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp )
738	ENDDO
739	ENDDO
740	IF ( .NOT. salsa_gases_from_chem ) THEN
741	DO ig = 1, ngases_salsa
742	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp )
743	ENDDO
744	ENDIF
745	ENDIF
746	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
747
748	!
749	!-- Boundary conditions for the prognostic quantities (except of the
750	!-- velocities at the outflow in case of a non-cyclic lateral wall)
751	CALL boundary_conds
752
753	!
754	!-- Boundary conditions for prognostic quantitites of other modules:
755	!-- Here, only decycling is carried out
756	IF ( air_chemistry ) THEN
757
758	DO lsp = 1, nvar
759	lsp_usr = 1
760	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
761	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
762	CALL chem_boundary_conds( chem_species(lsp)%conc_p, &
763	chem_species(lsp)%conc_pr_init )
764	ENDIF
765	lsp_usr = lsp_usr + 1
766	ENDDO
767	ENDDO
768
769	ENDIF
770
771	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
772
773	DO ib = 1, nbins_aerosol
774	CALL salsa_boundary_conds( aerosol_number(ib)%conc_p, aerosol_number(ib)%init )
775	DO ic = 1, ncomponents_mass
776	icc = ( ic - 1 ) * nbins_aerosol + ib
777	CALL salsa_boundary_conds( aerosol_mass(icc)%conc_p, aerosol_mass(icc)%init )
778	ENDDO
779	ENDDO
780	IF ( .NOT. salsa_gases_from_chem ) THEN
781	DO ig = 1, ngases_salsa
782	CALL salsa_boundary_conds( salsa_gas(ig)%conc_p, salsa_gas(ig)%init )
783	ENDDO
784	ENDIF
785
786	ENDIF
787
788	!
789	!-- Incrementing timestep counter
790	timestep_count = timestep_count + 1
791
792	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
793	!
794	!-- Set the swap level for all modules
795	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
796	!
797	!-- Set the swap level for steering the pmc data transfer
798	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
799
800	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
801
802	!
803	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
804	IF ( vnest_init ) THEN
805	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
806	CALL vnest_anterpolate
807	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
808	ENDIF
809
810	IF ( nested_run ) THEN
811
812	CALL cpu_log( log_point(60), 'nesting', 'start' )
813	!
814	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
815	!-- and pmci_child_datatrans are called inside the wrapper
816	!-- subroutine pmci_datatrans according to the control parameters
817	!-- nesting_mode and nesting_datatransfer_mode.
818	!-- TO_DO: why is nesting_mode given as a parameter here?
819	CALL pmci_datatrans( nesting_mode )
820
821	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
822
823	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
824	!
825	!-- Exchange_horiz is needed for all parent-domains after the
826	!-- anterpolation
827	CALL exchange_horiz( u, nbgp )
828	CALL exchange_horiz( v, nbgp )
829	CALL exchange_horiz( w, nbgp )
830	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
831
832	IF ( humidity ) THEN
833
834	CALL exchange_horiz( q, nbgp )
835
836	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
837	CALL exchange_horiz( qc, nbgp )
838	CALL exchange_horiz( nc, nbgp )
839	ENDIF
840	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
841	CALL exchange_horiz( qr, nbgp )
842	CALL exchange_horiz( nr, nbgp )
843	ENDIF
844
845	ENDIF
846
847	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
848
849	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
850
851	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
852	CALL exchange_horiz( diss, nbgp )
853	ENDIF
854
855	IF ( air_chemistry ) THEN
856	DO n = 1, nvar
857	CALL exchange_horiz( chem_species(n)%conc, nbgp )
858	ENDDO
859	ENDIF
860
861	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
862	DO ib = 1, nbins_aerosol
863	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp )
864	DO ic = 1, ncomponents_mass
865	icc = ( ic - 1 ) * nbins_aerosol + ib
866	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp )
867	ENDDO
868	ENDDO
869	IF ( .NOT. salsa_gases_from_chem ) THEN
870	DO ig = 1, ngases_salsa
871	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp )
872	ENDDO
873	ENDIF
874	ENDIF
875	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
876
877	ENDIF
878
879	!
880	!-- Set boundary conditions again after interpolation and anterpolation.
881	CALL pmci_boundary_conds
882
883	!
884	!-- Set chemistry boundary conditions (decycling)
885	IF ( air_chemistry ) THEN
886	DO lsp = 1, nvar
887	lsp_usr = 1
888	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
889	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
890	CALL chem_boundary_conds( chem_species(lsp)%conc, &
891	chem_species(lsp)%conc_pr_init )
892	ENDIF
893	lsp_usr = lsp_usr + 1
894	ENDDO
895	ENDDO
896	ENDIF
897
898	!
899	!-- Set SALSA boundary conditions (decycling)
900	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
901	DO ib = 1, nbins_aerosol
902	CALL salsa_boundary_conds( aerosol_number(ib)%conc, aerosol_number(ib)%init )
903	DO ic = 1, ncomponents_mass
904	icc = ( ic - 1 ) * nbins_aerosol + ib
905	CALL salsa_boundary_conds( aerosol_mass(icc)%conc, aerosol_mass(icc)%init )
906	ENDDO
907	ENDDO
908	IF ( .NOT. salsa_gases_from_chem ) THEN
909	DO ig = 1, ngases_salsa
910	CALL salsa_boundary_conds( salsa_gas(ig)%conc, salsa_gas(ig)%init )
911	ENDDO
912	ENDIF
913	ENDIF
914
915	CALL cpu_log( log_point(60), 'nesting', 'stop' )
916
917	ENDIF
918
919	!
920	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
921	!-- when a sloping surface is used
922	IF ( sloping_surface ) THEN
923	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
924	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
925	ENDIF
926
927	!
928	!-- Impose a turbulent inflow using the recycling method
929	IF ( turbulent_inflow ) CALL inflow_turbulence
930
931	!
932	!-- Set values at outflow boundary using the special outflow condition
933	IF ( turbulent_outflow ) CALL outflow_turbulence
934
935	!
936	!-- Impose a random perturbation on the horizontal velocity field
937	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
938	intermediate_timestep_count == intermediate_timestep_count_max ) &
939	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
940	THEN
941	time_disturb = time_disturb + dt_3d
942	IF ( time_disturb >= dt_disturb ) THEN
943	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
944	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
945	CALL disturb_field( 'u', tend, u )
946	CALL disturb_field( 'v', tend, v )
947	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
948	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
949	THEN
950	!
951	!-- Runs with a non-cyclic lateral wall need perturbations
952	!-- near the inflow throughout the whole simulation
953	dist_range = 1
954	CALL disturb_field( 'u', tend, u )
955	CALL disturb_field( 'v', tend, v )
956	dist_range = 0
957	ENDIF
958	time_disturb = time_disturb - dt_disturb
959	ENDIF
960	ENDIF
961
962	!
963	!-- Map forcing data derived from larger scale model onto domain
964	!-- boundaries. Further, update geostrophic wind components.
965	IF ( nesting_offline .AND. intermediate_timestep_count == &
966	intermediate_timestep_count_max ) THEN
967	!-- Determine interpolation factor before boundary conditions and geostrophic wind
968	!-- is updated.
969	CALL nesting_offl_interpolation_factor
970	CALL nesting_offl_bc
971	CALL nesting_offl_geostrophic_wind
972	ENDIF
973	!
974	!-- Impose a turbulent inflow using synthetic generated turbulence.
975	IF ( use_syn_turb_gen .AND. &
976	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
977	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
978	CALL stg_main
979	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
980	ENDIF
981	!
982	!-- Ensure mass conservation. This need to be done after imposing
983	!-- synthetic turbulence and top boundary condition for pressure is set to
984	!-- Neumann conditions.
985	!-- Is this also required in case of Dirichlet?
986	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
987	!
988	!-- Reduce the velocity divergence via the equation for perturbation
989	!-- pressure.
990	IF ( intermediate_timestep_count == 1 .OR. &
991	call_psolver_at_all_substeps ) THEN
992
993	IF ( vnest_init ) THEN
994	!
995	!-- Compute pressure in the CG, interpolate top boundary conditions
996	!-- to the FG and then compute pressure in the FG
997	IF ( coupling_mode == 'vnested_crse' ) CALL pres
998
999	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
1000	CALL vnest_boundary_conds
1001	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
1002
1003	IF ( coupling_mode == 'vnested_fine' ) CALL pres
1004
1005	!-- Anterpolate TKE, satisfy Germano Identity
1006	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
1007	CALL vnest_anterpolate_e
1008	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
1009
1010	ELSE
1011	!
1012	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
1013	IF ( child_domain ) THEN
1014	IF ( nesting_mode == 'vertical' ) THEN
1015	CALL pmci_ensure_nest_mass_conservation_vertical
1016	ELSE
1017	CALL pmci_ensure_nest_mass_conservation
1018	ENDIF
1019	ENDIF
1020
1021	CALL pres
1022
1023	ENDIF
1024
1025	ENDIF
1026
1027	!
1028	!-- If required, compute liquid water content
1029	IF ( bulk_cloud_model ) THEN
1030	CALL calc_liquid_water_content
1031	ENDIF
1032	!
1033	!-- If required, compute virtual potential temperature
1034	IF ( humidity ) THEN
1035	CALL compute_vpt
1036	ENDIF
1037
1038	!
1039	!-- Compute the diffusion quantities
1040	IF ( .NOT. constant_diffusion ) THEN
1041
1042	!
1043	!-- Determine surface fluxes shf and qsws and surface values
1044	!-- pt_surface and q_surface in dependence on data from external
1045	!-- file LSF_DATA respectively
1046	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
1047	intermediate_timestep_count == intermediate_timestep_count_max ) &
1048	THEN
1049	CALL ls_forcing_surf( simulated_time )
1050	ENDIF
1051
1052	!
1053	!-- First the vertical (and horizontal) fluxes in the surface
1054	!-- (constant flux) layer are computed
1055	IF ( constant_flux_layer ) THEN
1056	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
1057	CALL surface_layer_fluxes
1058	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
1059	ENDIF
1060	!
1061	!-- If required, solve the energy balance for the surface and run soil
1062	!-- model. Call for horizontal as well as vertical surfaces
1063	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
1064
1065	CALL cpu_log( log_point(54), 'land_surface', 'start' )
1066	!
1067	!-- Call for horizontal upward-facing surfaces
1068	CALL lsm_energy_balance( .TRUE., -1 )
1069	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
1070	!
1071	!-- Call for northward-facing surfaces
1072	CALL lsm_energy_balance( .FALSE., 0 )
1073	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
1074	!
1075	!-- Call for southward-facing surfaces
1076	CALL lsm_energy_balance( .FALSE., 1 )
1077	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
1078	!
1079	!-- Call for eastward-facing surfaces
1080	CALL lsm_energy_balance( .FALSE., 2 )
1081	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
1082	!
1083	!-- Call for westward-facing surfaces
1084	CALL lsm_energy_balance( .FALSE., 3 )
1085	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
1086
1087	!
1088	!-- At the end, set boundary conditons for potential temperature
1089	!-- and humidity after running the land-surface model. This
1090	!-- might be important for the nesting, where arrays are transfered.
1091	CALL lsm_boundary_condition
1092
1093
1094	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
1095	ENDIF
1096	!
1097	!-- If required, solve the energy balance for urban surfaces and run
1098	!-- the material heat model
1099	IF (urban_surface) THEN
1100	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
1101
1102	CALL usm_surface_energy_balance( .FALSE. )
1103	IF ( usm_material_model ) THEN
1104	CALL usm_green_heat_model
1105	CALL usm_material_heat_model ( .FALSE. )
1106	ENDIF
1107
1108	!
1109	!-- At the end, set boundary conditons for potential temperature
1110	!-- and humidity after running the urban-surface model. This
1111	!-- might be important for the nesting, where arrays are transfered.
1112	CALL usm_boundary_condition
1113
1114	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
1115	ENDIF
1116	!
1117	!-- Compute the diffusion coefficients
1118	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
1119	IF ( .NOT. humidity ) THEN
1120	IF ( ocean_mode ) THEN
1121	CALL tcm_diffusivities( prho, prho_reference )
1122	ELSE
1123	CALL tcm_diffusivities( pt, pt_reference )
1124	ENDIF
1125	ELSE
1126	CALL tcm_diffusivities( vpt, pt_reference )
1127	ENDIF
1128	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
1129	!
1130	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
1131	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
1132
1133	ENDIF
1134
1135	ENDDO ! Intermediate step loop
1136
1137	!
1138	!-- Will be used at some point by flow_statistics.
1139	!$ACC UPDATE &
1140	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
1141	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
1142	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
1143	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
1144	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
1145	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
1146	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
1147	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
1148	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
1149	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
1150	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
1151	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
1152	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
1153	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
1154	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
1155
1156	!
1157	!-- If required, calculate radiative fluxes and heating rates
1158	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
1159
1160	time_radiation = time_radiation + dt_3d
1161
1162	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
1163
1164	CALL cpu_log( log_point(50), 'radiation', 'start' )
1165
1166	IF ( .NOT. force_radiation_call ) THEN
1167	time_radiation = time_radiation - dt_radiation
1168	ENDIF
1169
1170	!
1171	!-- Adjust the current time to the time step of the radiation model.
1172	!-- Needed since radiation is pre-calculated and stored only on apparent
1173	!-- solar positions
1174	time_since_reference_point_save = time_since_reference_point
1175	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
1176	dt_radiation ), wp ) * dt_radiation
1177
1178	CALL radiation_control
1179
1180	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
1181	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
1182	CALL radiation_interaction
1183	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
1184	ENDIF
1185
1186	!
1187	!-- Return the current time to its original value
1188	time_since_reference_point = time_since_reference_point_save
1189
1190	CALL cpu_log( log_point(50), 'radiation', 'stop' )
1191
1192	ENDIF
1193	ENDIF
1194
1195	!
1196	!-- If required, consider chemical emissions
1197	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
1198	!
1199	!-- Call emission routine only once an hour
1200	!> @todo Move check of hour_call_emis into chem_emissions_setup
1201	CALL get_date_time( time_since_reference_point, hour=hour )
1202	IF ( hour_call_emis /= hour ) THEN
1203	!> @question Which of these two if-statements is correct?
1204	! IF ( hour_of_year > hour_call_emis ) THEN
1205	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
1206	hour_call_emis = hour
1207	ENDIF
1208	ENDIF
1209	!
1210	!-- If required, consider aerosol emissions for the salsa model
1211	IF ( salsa ) THEN
1212	!
1213	!-- Call emission routine to update emissions if needed
1214	CALL salsa_emission_update
1215
1216	ENDIF
1217	!
1218	!-- If required, calculate indoor temperature, waste heat, heat flux
1219	!-- through wall, etc.
1220	!-- dt_indoor steers the frequency of the indoor model calculations.
1221	!-- Note, at first timestep indoor model is called, in order to provide
1222	!-- a waste heat flux.
1223	IF ( indoor_model ) THEN
1224
1225	time_indoor = time_indoor + dt_3d
1226
1227	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
1228
1229	time_indoor = time_indoor - dt_indoor
1230
1231	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
1232	CALL im_main_heatcool
1233	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
1234
1235	ENDIF
1236	ENDIF
1237	!
1238	!-- Increase simulation time and output times
1239	nr_timesteps_this_run = nr_timesteps_this_run + 1
1240	current_timestep_number = current_timestep_number + 1
1241	simulated_time = simulated_time + dt_3d
1242	time_since_reference_point = simulated_time - coupling_start_time
1243	simulated_time_chr = time_to_string( time_since_reference_point )
1244
1245
1246	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
1247	time_do_av = time_do_av + dt_3d
1248	ENDIF
1249	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
1250	time_do2d_xy = time_do2d_xy + dt_3d
1251	ENDIF
1252	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
1253	time_do2d_xz = time_do2d_xz + dt_3d
1254	ENDIF
1255	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
1256	time_do2d_yz = time_do2d_yz + dt_3d
1257	ENDIF
1258	IF ( time_since_reference_point >= skip_time_do3d ) THEN
1259	time_do3d = time_do3d + dt_3d
1260	ENDIF
1261	DO mid = 1, masks
1262	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
1263	time_domask(mid)= time_domask(mid) + dt_3d
1264	ENDIF
1265	ENDDO
1266	IF ( time_since_reference_point >= skip_time_dosp ) THEN
1267	time_dosp = time_dosp + dt_3d
1268	ENDIF
1269	time_dots = time_dots + dt_3d
1270	IF ( .NOT. first_call_lpm ) THEN
1271	time_dopts = time_dopts + dt_3d
1272	ENDIF
1273	IF ( time_since_reference_point >= skip_time_dopr ) THEN
1274	time_dopr = time_dopr + dt_3d
1275	ENDIF
1276	time_dopr_listing = time_dopr_listing + dt_3d
1277	time_run_control = time_run_control + dt_3d
1278	!
1279	!-- Increment time-counter for surface output
1280	IF ( surface_output ) THEN
1281	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
1282	time_dosurf = time_dosurf + dt_3d
1283	ENDIF
1284	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
1285	time_dosurf_av = time_dosurf_av + dt_3d
1286	ENDIF
1287	ENDIF
1288	!
1289	!-- Increment time-counter for virtual measurements
1290	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
1291	time_virtual_measurement = time_virtual_measurement + dt_3d
1292	ENDIF
1293	!
1294	!-- In case of synthetic turbulence generation and parametrized turbulence
1295	!-- information, update the time counter and if required, adjust the
1296	!-- STG to new atmospheric conditions.
1297	IF ( use_syn_turb_gen ) THEN
1298	IF ( parametrize_inflow_turbulence ) THEN
1299	time_stg_adjust = time_stg_adjust + dt_3d
1300	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
1301	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1302	CALL stg_adjust
1303	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1304	ENDIF
1305	ENDIF
1306	time_stg_call = time_stg_call + dt_3d
1307	ENDIF
1308
1309	!
1310	!-- Data exchange between coupled models
1311	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
1312	time_coupling = time_coupling + dt_3d
1313
1314	!
1315	!-- In case of model termination initiated by the local model
1316	!-- (terminate_coupled > 0), the coupler must be skipped because it would
1317	!-- cause an MPI intercomminucation hang.
1318	!-- If necessary, the coupler will be called at the beginning of the
1319	!-- next restart run.
1320	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
1321	CALL surface_coupler
1322	time_coupling = time_coupling - dt_coupling
1323	ENDDO
1324	ENDIF
1325
1326	!
1327	!-- Biometeorology calculation of stationary thermal indices
1328	!-- Todo (kanani): biometeorology needs own time_... treatment.
1329	!-- It might be that time_do2d_xy differs from time_do3d,
1330	!-- and then we might get trouble with the biomet output,
1331	!-- because we can have 2d and/or 3d biomet output!!
1332	IF ( biometeorology &
1333	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
1334	.OR. &
1335	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
1336	) ) THEN
1337	!
1338	!-- If required, do thermal comfort calculations
1339	IF ( thermal_comfort ) THEN
1340	CALL bio_calculate_thermal_index_maps ( .FALSE. )
1341	ENDIF
1342	!
1343	!-- If required, do UV exposure calculations
1344	IF ( uv_exposure ) THEN
1345	CALL bio_calculate_uv_exposure
1346	ENDIF
1347	ENDIF
1348
1349	!
1350	!-- Execute alle other module actions routunes
1351	CALL module_interface_actions( 'after_integration' )
1352
1353	!
1354	!-- If Galilei transformation is used, determine the distance that the
1355	!-- model has moved so far
1356	IF ( galilei_transformation ) THEN
1357	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
1358	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
1359	ENDIF
1360
1361	!
1362	!-- Check, if restart is necessary (because cpu-time is expiring or
1363	!-- because it is forced by user) and set stop flag
1364	!-- This call is skipped if the remote model has already initiated a restart.
1365	IF ( .NOT. terminate_run ) CALL check_for_restart
1366
1367	!
1368	!-- Carry out statistical analysis and output at the requested output times.
1369	!-- The MOD function is used for calculating the output time counters (like
1370	!-- time_dopr) in order to regard a possible decrease of the output time
1371	!-- interval in case of restart runs
1372
1373	!
1374	!-- Set a flag indicating that so far no statistics have been created
1375	!-- for this time step
1376	flow_statistics_called = .FALSE.
1377
1378	!
1379	!-- If required, call flow_statistics for averaging in time
1380	IF ( averaging_interval_pr /= 0.0_wp .AND. &
1381	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
1382	time_since_reference_point >= skip_time_dopr ) THEN
1383	time_dopr_av = time_dopr_av + dt_3d
1384	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
1385	do_sum = .TRUE.
1386	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
1387	ENDIF
1388	ENDIF
1389	IF ( do_sum ) CALL flow_statistics
1390
1391	!
1392	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
1393	IF ( averaging_interval /= 0.0_wp .AND. &
1394	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
1395	time_since_reference_point >= skip_time_data_output_av ) &
1396	THEN
1397	time_do_sla = time_do_sla + dt_3d
1398	IF ( time_do_sla >= dt_averaging_input ) THEN
1399	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1400	CALL doq_calculate
1401
1402	CALL sum_up_3d_data
1403	average_count_3d = average_count_3d + 1
1404	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
1405	ENDIF
1406	ENDIF
1407	!
1408	!-- Average surface data
1409	IF ( surface_output ) THEN
1410	IF ( averaging_interval_surf /= 0.0_wp &
1411	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
1412	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1413	IF ( time_dosurf_av >= dt_averaging_input ) THEN
1414	CALL surface_data_output_averaging
1415	average_count_surf = average_count_surf + 1
1416	ENDIF
1417	ENDIF
1418	ENDIF
1419
1420	!
1421	!-- Calculate spectra for time averaging
1422	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
1423	.AND. time_since_reference_point >= skip_time_dosp ) THEN
1424	time_dosp_av = time_dosp_av + dt_3d
1425	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
1426	CALL calc_spectra
1427	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
1428	ENDIF
1429	ENDIF
1430
1431	!
1432	!-- Call flight module and output data
1433	IF ( virtual_flight ) THEN
1434	CALL flight_measurement
1435	CALL data_output_flight
1436	ENDIF
1437	!
1438	!-- Take virtual measurements
1439	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
1440	.AND. vm_time_start <= time_since_reference_point ) THEN
1441	CALL vm_sampling
1442	CALL vm_data_output
1443	time_virtual_measurement = MOD( time_virtual_measurement, &
1444	MAX( dt_virtual_measurement, dt_3d ) )
1445	ENDIF
1446	!
1447	!-- Profile output (ASCII) on file
1448	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
1449	CALL print_1d
1450	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
1451	ENDIF
1452
1453	!
1454	!-- Graphic output for PROFIL
1455	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
1456	IF ( dopr_n /= 0 ) CALL data_output_profiles
1457	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
1458	time_dopr_av = 0.0_wp ! due to averaging (see above)
1459	ENDIF
1460
1461	!
1462	!-- Graphic output for time series
1463	IF ( time_dots >= dt_dots ) THEN
1464	CALL data_output_tseries
1465	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
1466	ENDIF
1467
1468	!
1469	!-- Output of spectra (formatted for use with PROFIL), in case of no
1470	!-- time averaging, spectra has to be calculated before
1471	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
1472	IF ( average_count_sp == 0 ) CALL calc_spectra
1473	CALL data_output_spectra
1474	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
1475	ENDIF
1476
1477	!
1478	!-- 2d-data output (cross-sections)
1479	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
1480	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1481	CALL doq_calculate
1482
1483	CALL data_output_2d( 'xy', 0 )
1484	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
1485	ENDIF
1486	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
1487	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1488
1489	CALL doq_calculate
1490	CALL data_output_2d( 'xz', 0 )
1491	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
1492	ENDIF
1493	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
1494	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1495	CALL doq_calculate
1496
1497	CALL data_output_2d( 'yz', 0 )
1498	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
1499	ENDIF
1500
1501	!
1502	!-- 3d-data output (volume data)
1503	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
1504	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1505	CALL doq_calculate
1506
1507	CALL data_output_3d( 0 )
1508	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
1509	ENDIF
1510
1511	!
1512	!-- Masked data output
1513	DO mid = 1, masks
1514	IF ( time_domask(mid) >= dt_domask(mid) &
1515	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
1516	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1517	CALL doq_calculate
1518
1519	CALL data_output_mask( 0, mid )
1520	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
1521	ENDIF
1522	ENDDO
1523
1524	!
1525	!-- Output of time-averaged 2d/3d/masked data
1526	IF ( time_do_av >= dt_data_output_av &
1527	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
1528	CALL average_3d_data
1529	!
1530	!-- Udate thermal comfort indices based on updated averaged input
1531	IF ( biometeorology .AND. thermal_comfort ) THEN
1532	CALL bio_calculate_thermal_index_maps ( .TRUE. )
1533	ENDIF
1534	CALL data_output_2d( 'xy', 1 )
1535	CALL data_output_2d( 'xz', 1 )
1536	CALL data_output_2d( 'yz', 1 )
1537	CALL data_output_3d( 1 )
1538	DO mid = 1, masks
1539	CALL data_output_mask( 1, mid )
1540	ENDDO
1541	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
1542	ENDIF
1543	!
1544	!-- Output of surface data, instantaneous and averaged data
1545	IF ( surface_output ) THEN
1546	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
1547	CALL surface_data_output( 0 )
1548	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
1549	ENDIF
1550	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1551	CALL surface_data_output( 1 )
1552	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
1553	ENDIF
1554	ENDIF
1555
1556	!
1557	!-- Output of particle time series
1558	IF ( particle_advection ) THEN
1559	IF ( time_dopts >= dt_dopts .OR. &
1560	( time_since_reference_point >= particle_advection_start .AND. &
1561	first_call_lpm ) ) THEN
1562	CALL lpm_data_output_ptseries
1563	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
1564	ENDIF
1565	ENDIF
1566
1567	!
1568	!-- If required, set the heat flux for the next time step to a random value
1569	IF ( constant_heatflux .AND. random_heatflux ) THEN
1570	IF ( surf_def_h(0)%ns >= 1 ) THEN
1571	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1572	CALL disturb_heatflux( surf_def_h(0) )
1573	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1574	ENDIF
1575	IF ( surf_lsm_h%ns >= 1 ) THEN
1576	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1577	CALL disturb_heatflux( surf_lsm_h )
1578	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1579	ENDIF
1580	IF ( surf_usm_h%ns >= 1 ) THEN
1581	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1582	CALL disturb_heatflux( surf_usm_h )
1583	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1584	ENDIF
1585	ENDIF
1586
1587	!
1588	!-- Execute alle other module actions routunes
1589	CALL module_interface_actions( 'after_timestep' )
1590
1591	!
1592	!-- Determine size of next time step. Save timestep dt_3d because it is
1593	!-- newly calculated in routine timestep, but required further below for
1594	!-- steering the run control output interval
1595	dt_3d_old = dt_3d
1596	CALL timestep
1597
1598	!
1599	!-- Synchronize the timestep in case of nested run.
1600	IF ( nested_run ) THEN
1601	!
1602	!-- Synchronize by unifying the time step.
1603	!-- Global minimum of all time-steps is used for all.
1604	CALL pmci_synchronize
1605	ENDIF
1606
1607	!
1608	!-- Computation and output of run control parameters.
1609	!-- This is also done whenever perturbations have been imposed
1610	IF ( time_run_control >= dt_run_control .OR. &
1611	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
1612	THEN
1613	CALL run_control
1614	IF ( time_run_control >= dt_run_control ) THEN
1615	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
1616	ENDIF
1617	ENDIF
1618
1619	!
1620	!-- Output elapsed simulated time in form of a progress bar on stdout
1621	IF ( myid == 0 ) CALL output_progress_bar
1622
1623	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
1624
1625
1626	ENDDO ! time loop
1627
1628	#if defined( _OPENACC )
1629	CALL exit_surface_arrays
1630	#endif
1631	!$ACC END DATA
1632	!$ACC END DATA
1633	!$ACC END DATA
1634	!$ACC END DATA
1635	!$ACC END DATA
1636	!$ACC END DATA
1637	!$ACC END DATA
1638
1639	!
1640	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
1641	IF ( vnest_init ) CALL vnest_deallocate
1642
1643	IF ( myid == 0 ) CALL finish_progress_bar
1644
1645	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
1646
1647	END SUBROUTINE time_integration

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