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source: palm/trunk/SOURCE/prognostic_equations.f90 @ 3779

Last change on this file since 3779 was 3771, checked in by raasch, 6 years ago
rrtmg preprocessor for directives moved/added, save attribute added to temporary pointers to avoid compiler warnings about outlived pointer targets, statement added to avoid compiler warning about unused variable
Property svn:keywords set to `Id`
File size: 104.5 KB

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1	!> @file prognostic_equations.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: prognostic_equations.f90 3771 2019-02-28 12:19:33Z eckhard $
27	! preprocessor directivs fro rrtmg added
28	!
29	! 3761 2019-02-25 15:31:42Z raasch
30	! unused variable removed
31	!
32	! 3719 2019-02-06 13:10:18Z kanani
33	! Cleaned up chemistry cpu measurements
34	!
35	! 3684 2019-01-20 20:20:58Z knoop
36	! OpenACC port for SPEC
37	!
38	! 3589 2018-11-30 15:09:51Z suehring
39	! Move the control parameter "salsa" from salsa_mod to control_parameters
40	! (M. Kurppa)
41	!
42	! 3582 2018-11-29 19:16:36Z suehring
43	! Implementation of a new aerosol module salsa.
44	! Remove cpu-logs from i,j loop in cache version.
45	!
46	! 3458 2018-10-30 14:51:23Z kanani
47	! remove duplicate USE chem_modules
48	! from chemistry branch r3443, banzhafs, basit:
49	! chem_depo call introduced
50	! code added for decycling chemistry
51	!
52	! 3386 2018-10-19 16:28:22Z gronemeier
53	! Renamed tcm_prognostic to tcm_prognostic_equations
54	!
55	! 3355 2018-10-16 14:03:34Z knoop
56	! (from branch resler)
57	! Fix for chemistry call
58	!
59	! 3302 2018-10-03 02:39:40Z raasch
60	! Stokes drift + wave breaking term added
61	!
62	! 3298 2018-10-02 12:21:11Z kanani
63	! Code added for decycling chemistry (basit)
64	!
65	! 3294 2018-10-01 02:37:10Z raasch
66	! changes concerning modularization of ocean option
67	!
68	! 3274 2018-09-24 15:42:55Z knoop
69	! Modularization of all bulk cloud physics code components
70	!
71	! 3241 2018-09-12 15:02:00Z raasch
72	! omp_get_thread_num now declared in omp directive
73	!
74	! 3183 2018-07-27 14:25:55Z suehring
75	! Remove unused variables from USE statements
76	!
77	! 3182 2018-07-27 13:36:03Z suehring
78	! Revise recent bugfix for nesting
79	!
80	! 3021 2018-05-16 08:14:20Z maronga
81	! Bugfix in IF clause for nesting
82	!
83	! 3014 2018-05-09 08:42:38Z maronga
84	! Fixed a bug in the IF condition to call pcm_tendency in case of
85	! potential temperature
86	!
87	! 2815 2018-02-19 11:29:57Z kanani
88	! Rename chem_tendency to chem_prognostic_equations,
89	! implement vector version for air chemistry
90	!
91	! 2766 2018-01-22 17:17:47Z kanani
92	! Removed preprocessor directive __chem
93	!
94	! 2746 2018-01-15 12:06:04Z suehring
95	! Move flag plant canopy to modules
96	!
97	! 2719 2018-01-02 09:02:06Z maronga
98	! Bugfix for last change.
99	!
100	! 2718 2018-01-02 08:49:38Z maronga
101	! Corrected "Former revisions" section
102	!
103	! 2696 2017-12-14 17:12:51Z kanani
104	! - Change in file header (GPL part)
105	! - Moved TKE equation to tcm_prognostic (TG)
106	! - Added switch for chemical reactions (RF, FK)
107	! - Implementation of chemistry module (RF, BK, FK)
108	!
109	! 2563 2017-10-19 15:36:10Z Giersch
110	! Variable wind_turbine moved to module control_parameters
111	!
112	! 2320 2017-07-21 12:47:43Z suehring
113	! Modularize large-scale forcing and nudging
114	!
115	! 2292 2017-06-20 09:51:42Z schwenkel
116	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
117	! includes two more prognostic equations for cloud drop concentration (nc)
118	! and cloud water content (qc).
119	!
120	! 2261 2017-06-08 14:25:57Z raasch
121	! bugfix for r2232: openmp directives removed
122	!
123	! 2233 2017-05-30 18:08:54Z suehring
124	!
125	! 2232 2017-05-30 17:47:52Z suehring
126	! Adjutst to new surface-type structure. Remove call for usm_wall_heat_flux,
127	! which is realized directly in diffusion_s now.
128	!
129	! 2192 2017-03-22 04:14:10Z raasch
130	! Bugfix for misplaced and missing openMP directives from r2155
131	!
132	! 2155 2017-02-21 09:57:40Z hoffmann
133	! Bugfix in the calculation of microphysical quantities on ghost points.
134	!
135	! 2118 2017-01-17 16:38:49Z raasch
136	! OpenACC version of subroutine removed
137	!
138	! 2031 2016-10-21 15:11:58Z knoop
139	! renamed variable rho to rho_ocean
140	!
141	! 2011 2016-09-19 17:29:57Z kanani
142	! Flag urban_surface is now defined in module control_parameters.
143	!
144	! 2007 2016-08-24 15:47:17Z kanani
145	! Added pt tendency calculation based on energy balance at urban surfaces
146	! (new urban surface model)
147	!
148	! 2000 2016-08-20 18:09:15Z knoop
149	! Forced header and separation lines into 80 columns
150	!
151	! 1976 2016-07-27 13:28:04Z maronga
152	! Simplied calls to radiation model
153	!
154	! 1960 2016-07-12 16:34:24Z suehring
155	! Separate humidity and passive scalar
156	!
157	! 1914 2016-05-26 14:44:07Z witha
158	! Added calls for wind turbine model
159	!
160	! 1873 2016-04-18 14:50:06Z maronga
161	! Module renamed (removed _mod)
162	!
163	! 1850 2016-04-08 13:29:27Z maronga
164	! Module renamed
165	!
166	! 1826 2016-04-07 12:01:39Z maronga
167	! Renamed canopy model calls.
168	!
169	! 1822 2016-04-07 07:49:42Z hoffmann
170	! Kessler microphysics scheme moved to microphysics.
171	!
172	! 1757 2016-02-22 15:49:32Z maronga
173	!
174	! 1691 2015-10-26 16:17:44Z maronga
175	! Added optional model spin-up without radiation / land surface model calls.
176	! Formatting corrections.
177	!
178	! 1682 2015-10-07 23:56:08Z knoop
179	! Code annotations made doxygen readable
180	!
181	! 1585 2015-04-30 07:05:52Z maronga
182	! Added call for temperature tendency calculation due to radiative flux divergence
183	!
184	! 1517 2015-01-07 19:12:25Z hoffmann
185	! advec_s_bc_mod addded, since advec_s_bc is now a module
186	!
187	! 1484 2014-10-21 10:53:05Z kanani
188	! Changes due to new module structure of the plant canopy model:
189	! parameters cthf and plant_canopy moved to module plant_canopy_model_mod.
190	! Removed double-listing of use_upstream_for_tke in ONLY-list of module
191	! control_parameters
192	!
193	! 1409 2014-05-23 12:11:32Z suehring
194	! Bugfix: i_omp_start changed for advec_u_ws at left inflow and outflow boundary.
195	! This ensures that left-hand side fluxes are also calculated for nxl in that
196	! case, even though the solution at nxl is overwritten in boundary_conds()
197	!
198	! 1398 2014-05-07 11:15:00Z heinze
199	! Rayleigh-damping for horizontal velocity components changed: instead of damping
200	! against ug and vg, damping against u_init and v_init is used to allow for a
201	! homogenized treatment in case of nudging
202	!
203	! 1380 2014-04-28 12:40:45Z heinze
204	! Change order of calls for scalar prognostic quantities:
205	! ls_advec -> nudging -> subsidence since initial profiles
206	!
207	! 1374 2014-04-25 12:55:07Z raasch
208	! missing variables added to ONLY lists
209	!
210	! 1365 2014-04-22 15:03:56Z boeske
211	! Calls of ls_advec for large scale advection added,
212	! subroutine subsidence is only called if use_subsidence_tendencies = .F.,
213	! new argument ls_index added to the calls of subsidence
214	! +ls_index
215	!
216	! 1361 2014-04-16 15:17:48Z hoffmann
217	! Two-moment microphysics moved to the start of prognostic equations. This makes
218	! the 3d arrays for tend_q, tend_qr, tend_pt and tend_pt redundant.
219	! Additionally, it is allowed to call the microphysics just once during the time
220	! step (not at each sub-time step).
221	!
222	! Two-moment cloud physics added for vector and accelerator optimization.
223	!
224	! 1353 2014-04-08 15:21:23Z heinze
225	! REAL constants provided with KIND-attribute
226	!
227	! 1337 2014-03-25 15:11:48Z heinze
228	! Bugfix: REAL constants provided with KIND-attribute
229	!
230	! 1332 2014-03-25 11:59:43Z suehring
231	! Bugfix: call advec_ws or advec_pw for TKE only if NOT use_upstream_for_tke
232	!
233	! 1330 2014-03-24 17:29:32Z suehring
234	! In case of SGS-particle velocity advection of TKE is also allowed with
235	! dissipative 5th-order scheme.
236	!
237	! 1320 2014-03-20 08:40:49Z raasch
238	! ONLY-attribute added to USE-statements,
239	! kind-parameters added to all INTEGER and REAL declaration statements,
240	! kinds are defined in new module kinds,
241	! old module precision_kind is removed,
242	! revision history before 2012 removed,
243	! comment fields (!:) to be used for variable explanations added to
244	! all variable declaration statements
245	!
246	! 1318 2014-03-17 13:35:16Z raasch
247	! module interfaces removed
248	!
249	! 1257 2013-11-08 15:18:40Z raasch
250	! openacc loop vector clauses removed, independent clauses added
251	!
252	! 1246 2013-11-01 08:59:45Z heinze
253	! enable nudging also for accelerator version
254	!
255	! 1241 2013-10-30 11:36:58Z heinze
256	! usage of nudging enabled (so far not implemented for accelerator version)
257	!
258	! 1179 2013-06-14 05:57:58Z raasch
259	! two arguments removed from routine buoyancy, ref_state updated on device
260	!
261	! 1128 2013-04-12 06:19:32Z raasch
262	! those parts requiring global communication moved to time_integration,
263	! loop index bounds in accelerator version replaced by i_left, i_right, j_south,
264	! j_north
265	!
266	! 1115 2013-03-26 18:16:16Z hoffmann
267	! optimized cloud physics: calculation of microphysical tendencies transfered
268	! to microphysics.f90; qr and nr are only calculated if precipitation is required
269	!
270	! 1111 2013-03-08 23:54:10Z raasch
271	! update directives for prognostic quantities removed
272	!
273	! 1106 2013-03-04 05:31:38Z raasch
274	! small changes in code formatting
275	!
276	! 1092 2013-02-02 11:24:22Z raasch
277	! unused variables removed
278	!
279	! 1053 2012-11-13 17:11:03Z hoffmann
280	! implementation of two new prognostic equations for rain drop concentration (nr)
281	! and rain water content (qr)
282	!
283	! currently, only available for cache loop optimization
284	!
285	! 1036 2012-10-22 13:43:42Z raasch
286	! code put under GPL (PALM 3.9)
287	!
288	! 1019 2012-09-28 06:46:45Z raasch
289	! non-optimized version of prognostic_equations removed
290	!
291	! 1015 2012-09-27 09:23:24Z raasch
292	! new branch prognostic_equations_acc
293	! OpenACC statements added + code changes required for GPU optimization
294	!
295	! 1001 2012-09-13 14:08:46Z raasch
296	! all actions concerning leapfrog- and upstream-spline-scheme removed
297	!
298	! 978 2012-08-09 08:28:32Z fricke
299	! km_damp_x and km_damp_y removed in calls of diffusion_u and diffusion_v
300	! add ptdf_x, ptdf_y for damping the potential temperature at the inflow
301	! boundary in case of non-cyclic lateral boundaries
302	! Bugfix: first thread index changes for WS-scheme at the inflow
303	!
304	! 940 2012-07-09 14:31:00Z raasch
305	! temperature equation can be switched off
306	!
307	! Revision 1.1 2000/04/13 14:56:27 schroeter
308	! Initial revision
309	!
310	!
311	! Description:
312	! ------------
313	!> Solving the prognostic equations.
314	!------------------------------------------------------------------------------!
315	MODULE prognostic_equations_mod
316
317
318	USE advec_s_bc_mod, &
319	ONLY: advec_s_bc
320
321	USE advec_s_pw_mod, &
322	ONLY: advec_s_pw
323
324	USE advec_s_up_mod, &
325	ONLY: advec_s_up
326
327	USE advec_u_pw_mod, &
328	ONLY: advec_u_pw
329
330	USE advec_u_up_mod, &
331	ONLY: advec_u_up
332
333	USE advec_v_pw_mod, &
334	ONLY: advec_v_pw
335
336	USE advec_v_up_mod, &
337	ONLY: advec_v_up
338
339	USE advec_w_pw_mod, &
340	ONLY: advec_w_pw
341
342	USE advec_w_up_mod, &
343	ONLY: advec_w_up
344
345	USE advec_ws, &
346	ONLY: advec_s_ws, advec_u_ws, advec_v_ws, advec_w_ws
347
348	USE arrays_3d, &
349	ONLY: diss_l_e, diss_l_nc, diss_l_nr, diss_l_pt, diss_l_q, diss_l_qc, &
350	diss_l_qr, diss_l_s, diss_l_sa, diss_s_e, diss_s_nc, diss_s_nr, &
351	diss_s_pt, diss_s_q, diss_s_qc, diss_s_qr, diss_s_s, diss_s_sa, &
352	e, e_p, flux_s_e, flux_s_nc, flux_s_nr, flux_s_pt, flux_s_q, &
353	flux_s_qc, flux_s_qr, flux_s_s, flux_s_sa, flux_l_e, flux_l_nc, &
354	flux_l_nr, flux_l_pt, flux_l_q, flux_l_qc, flux_l_qr, flux_l_s, &
355	flux_l_sa, nc, nc_p, nr, nr_p, pt, ptdf_x, ptdf_y, pt_init, &
356	pt_p, prho, q, q_init, q_p, qc, qc_p, qr, qr_p, rdf, rdf_sc, &
357	ref_state, rho_ocean, s, s_init, s_p, tend, te_m, tnc_m, &
358	tnr_m, tpt_m, tq_m, tqc_m, tqr_m, ts_m, tu_m, tv_m, tw_m, u, &
359	ug, u_init, u_p, v, vg, vpt, v_init, v_p, w, w_p
360
361	USE bulk_cloud_model_mod, &
362	ONLY: call_microphysics_at_all_substeps, bulk_cloud_model, &
363	bcm_actions, microphysics_sat_adjust, &
364	microphysics_morrison, microphysics_seifert
365
366	USE buoyancy_mod, &
367	ONLY: buoyancy
368
369	USE chem_modules, &
370	ONLY: call_chem_at_all_substeps, chem_gasphase_on, cs_name, do_depo
371
372	USE chem_photolysis_mod, &
373	ONLY: photolysis_control
374
375	USE chemistry_model_mod, &
376	ONLY: chem_boundary_conds, chem_depo, chem_integrate, &
377	chem_prognostic_equations, chem_species, &
378	nspec, nvar, spc_names
379
380	USE control_parameters, &
381	ONLY: air_chemistry, constant_diffusion, &
382	dp_external, dp_level_ind_b, dp_smooth_factor, dpdxy, dt_3d, &
383	humidity, intermediate_timestep_count, &
384	intermediate_timestep_count_max, large_scale_forcing, &
385	large_scale_subsidence, neutral, nudging, &
386	ocean_mode, passive_scalar, plant_canopy, pt_reference, &
387	scalar_advec, scalar_advec, simulated_time, sloping_surface, &
388	timestep_scheme, tsc, use_subsidence_tendencies, &
389	use_upstream_for_tke, wind_turbine, ws_scheme_mom, &
390	ws_scheme_sca, urban_surface, land_surface, &
391	time_since_reference_point, salsa
392
393	USE coriolis_mod, &
394	ONLY: coriolis
395
396	USE cpulog, &
397	ONLY: cpu_log, log_point, log_point_s
398
399	USE diffusion_s_mod, &
400	ONLY: diffusion_s
401
402	USE diffusion_u_mod, &
403	ONLY: diffusion_u
404
405	USE diffusion_v_mod, &
406	ONLY: diffusion_v
407
408	USE diffusion_w_mod, &
409	ONLY: diffusion_w
410
411	USE indices, &
412	ONLY: nbgp, nxl, nxlg, nxlu, nxr, nxrg, nyn, nyng, nys, nysg, nysv, &
413	nzb, nzt, wall_flags_0
414
415	USE kinds
416
417	USE lsf_nudging_mod, &
418	ONLY: ls_advec, nudge
419
420	USE module_interface, &
421	ONLY: module_interface_actions
422
423	USE ocean_mod, &
424	ONLY: ocean_prognostic_equations, stokes_drift_terms, stokes_force, &
425	wave_breaking, wave_breaking_term
426
427	USE plant_canopy_model_mod, &
428	ONLY: cthf, pcm_tendency
429
430	#if defined( __rrtmg )
431	USE radiation_model_mod, &
432	ONLY: radiation, radiation_tendency, &
433	skip_time_do_radiation
434	#endif
435
436	USE salsa_mod, &
437	ONLY: aerosol_mass, aerosol_number, dt_salsa, last_salsa_time, nbins, &
438	ncc_tot, ngast, salsa_boundary_conds, salsa_diagnostics, &
439	salsa_driver, salsa_gas, salsa_gases_from_chem, salsa_tendency, &
440	skip_time_do_salsa
441
442	USE salsa_util_mod, &
443	ONLY: sums_salsa_ws_l
444
445	USE statistics, &
446	ONLY: hom
447
448	USE subsidence_mod, &
449	ONLY: subsidence
450
451	USE surface_mod, &
452	ONLY : surf_def_h, surf_def_v, surf_lsm_h, surf_lsm_v, surf_usm_h, &
453	surf_usm_v
454
455	USE turbulence_closure_mod, &
456	ONLY: tcm_prognostic_equations
457
458	USE wind_turbine_model_mod, &
459	ONLY: wtm_tendencies
460
461
462	PRIVATE
463	PUBLIC prognostic_equations_cache, prognostic_equations_vector
464
465	INTERFACE prognostic_equations_cache
466	MODULE PROCEDURE prognostic_equations_cache
467	END INTERFACE prognostic_equations_cache
468
469	INTERFACE prognostic_equations_vector
470	MODULE PROCEDURE prognostic_equations_vector
471	END INTERFACE prognostic_equations_vector
472
473
474	CONTAINS
475
476
477	!------------------------------------------------------------------------------!
478	! Description:
479	! ------------
480	!> Version with one optimized loop over all equations. It is only allowed to
481	!> be called for the Wicker and Skamarock or Piascek-Williams advection scheme.
482	!>
483	!> Here the calls of most subroutines are embedded in two DO loops over i and j,
484	!> so communication between CPUs is not allowed (does not make sense) within
485	!> these loops.
486	!>
487	!> (Optimized to avoid cache missings, i.e. for Power4/5-architectures.)
488	!------------------------------------------------------------------------------!
489
490	SUBROUTINE prognostic_equations_cache
491
492
493	IMPLICIT NONE
494
495	INTEGER(iwp) :: b !< index for aerosol size bins (salsa)
496	INTEGER(iwp) :: c !< index for chemical compounds (salsa)
497	INTEGER(iwp) :: g !< index for gaseous compounds (salsa)
498	INTEGER(iwp) :: i !<
499	INTEGER(iwp) :: i_omp_start !<
500	INTEGER(iwp) :: j !<
501	INTEGER(iwp) :: k !<
502	!$ INTEGER(iwp) :: omp_get_thread_num !<
503	INTEGER(iwp) :: tn = 0 !<
504
505	LOGICAL :: loop_start !<
506	INTEGER(iwp) :: lsp
507	INTEGER(iwp) :: lsp_usr !< lsp running index for chem spcs
508
509
510	!
511	!-- Time measurement can only be performed for the whole set of equations
512	CALL cpu_log( log_point(32), 'all progn.equations', 'start' )
513
514	!
515	!-- Calculation of chemical reactions. This is done outside of main loop,
516	!-- since exchange of ghost points is required after this update of the
517	!-- concentrations of chemical species
518	IF ( air_chemistry ) THEN
519	lsp_usr = 1
520	!
521	!-- Chemical reactions and deposition
522	IF ( chem_gasphase_on ) THEN
523	!
524	!-- If required, calculate photolysis frequencies -
525	!-- UNFINISHED: Why not before the intermediate timestep loop?
526	IF ( intermediate_timestep_count == 1 ) THEN
527	CALL photolysis_control
528	ENDIF
529	DO i = nxl, nxr
530	DO j = nys, nyn
531
532	IF ( intermediate_timestep_count == 1 .OR. &
533	call_chem_at_all_substeps ) THEN
534
535	CALL cpu_log( log_point_s(19), 'chem.reactions', 'start' )
536	CALL chem_integrate (i,j)
537	CALL cpu_log( log_point_s(19), 'chem.reactions', 'stop' )
538
539	IF ( do_depo ) THEN
540	CALL cpu_log( log_point_s(24), 'chem.deposition', 'start' )
541	CALL chem_depo(i,j)
542	CALL cpu_log( log_point_s(24), 'chem.deposition', 'stop' )
543	ENDIF
544	ENDIF
545	ENDDO
546	ENDDO
547	ENDIF
548	!
549	!-- Loop over chemical species
550	CALL cpu_log( log_point_s(84), 'chem.exch-horiz', 'start' )
551	DO lsp = 1, nspec
552	CALL exchange_horiz( chem_species(lsp)%conc, nbgp )
553	lsp_usr = 1
554	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
555	IF ( TRIM(chem_species(lsp)%name) == TRIM(cs_name(lsp_usr)) ) THEN
556
557	CALL chem_boundary_conds( chem_species(lsp)%conc_p, &
558	chem_species(lsp)%conc_pr_init )
559
560	ENDIF
561	lsp_usr = lsp_usr +1
562	ENDDO
563
564
565	ENDDO
566	CALL cpu_log( log_point_s(84), 'chem.exch-horiz', 'stop' )
567
568	ENDIF
569	!
570	!-- Run SALSA and aerosol dynamic processes. SALSA is run with a longer time
571	!-- step. The exchange of ghost points is required after this update of the
572	!-- concentrations of aerosol number and mass
573	IF ( salsa ) THEN
574
575	IF ( time_since_reference_point >= skip_time_do_salsa ) THEN
576	IF ( ( time_since_reference_point - last_salsa_time ) >= dt_salsa ) &
577	THEN
578	CALL cpu_log( log_point_s(90), 'salsa processes ', 'start' )
579	!$OMP PARALLEL PRIVATE (i,j,b,c,g)
580	!$OMP DO
581	!
582	!-- Call salsa processes
583	DO i = nxl, nxr
584	DO j = nys, nyn
585	CALL salsa_diagnostics( i, j )
586	CALL salsa_driver( i, j, 3 )
587	CALL salsa_diagnostics( i, j )
588	ENDDO
589	ENDDO
590
591	CALL cpu_log( log_point_s(90), 'salsa processes ', 'stop' )
592
593	CALL cpu_log( log_point_s(91), 'salsa exch-horiz ', 'start' )
594	!
595	!-- Exchange ghost points and decycle if needed.
596	DO b = 1, nbins
597	CALL exchange_horiz( aerosol_number(b)%conc, nbgp )
598	CALL salsa_boundary_conds( aerosol_number(b)%conc_p, &
599	aerosol_number(b)%init )
600	DO c = 1, ncc_tot
601	CALL exchange_horiz( aerosol_mass((c-1)*nbins+b)%conc, nbgp )
602	CALL salsa_boundary_conds( &
603	aerosol_mass((c-1)*nbins+b)%conc_p, &
604	aerosol_mass((c-1)*nbins+b)%init )
605	ENDDO
606	ENDDO
607
608	IF ( .NOT. salsa_gases_from_chem ) THEN
609	DO g = 1, ngast
610	CALL exchange_horiz( salsa_gas(g)%conc, nbgp )
611	CALL salsa_boundary_conds( salsa_gas(g)%conc_p, &
612	salsa_gas(g)%init )
613	ENDDO
614	ENDIF
615	CALL cpu_log( log_point_s(91), 'salsa exch-horiz ', 'stop' )
616
617	!$OMP END PARALLEL
618	last_salsa_time = time_since_reference_point
619
620	ENDIF
621
622	ENDIF
623
624	ENDIF
625
626	!
627	!-- If required, calculate cloud microphysics
628	IF ( bulk_cloud_model .AND. .NOT. microphysics_sat_adjust .AND. &
629	( intermediate_timestep_count == 1 .OR. &
630	call_microphysics_at_all_substeps ) ) &
631	THEN
632	!$OMP PARALLEL PRIVATE (i,j)
633	!$OMP DO
634	DO i = nxlg, nxrg
635	DO j = nysg, nyng
636	CALL bcm_actions( i, j )
637	ENDDO
638	ENDDO
639	!$OMP END PARALLEL
640	ENDIF
641
642	!
643	!-- Loop over all prognostic equations
644	!-- b, c ang g added for SALSA
645	!$OMP PARALLEL PRIVATE (i,i_omp_start,j,k,loop_start,tn,b,c,g)
646
647	!$ tn = omp_get_thread_num()
648	loop_start = .TRUE.
649
650	!$OMP DO
651	DO i = nxl, nxr
652
653	!
654	!-- Store the first loop index. It differs for each thread and is required
655	!-- later in advec_ws
656	IF ( loop_start ) THEN
657	loop_start = .FALSE.
658	i_omp_start = i
659	ENDIF
660
661	DO j = nys, nyn
662	!
663	!-- Tendency terms for u-velocity component. Please note, in case of
664	!-- non-cyclic boundary conditions the grid point i=0 is excluded from
665	!-- the prognostic equations for the u-component.
666	IF ( i >= nxlu ) THEN
667
668	tend(:,j,i) = 0.0_wp
669	IF ( timestep_scheme(1:5) == 'runge' ) THEN
670	IF ( ws_scheme_mom ) THEN
671	CALL advec_u_ws( i, j, i_omp_start, tn )
672	ELSE
673	CALL advec_u_pw( i, j )
674	ENDIF
675	ELSE
676	CALL advec_u_up( i, j )
677	ENDIF
678	CALL diffusion_u( i, j )
679	CALL coriolis( i, j, 1 )
680	IF ( sloping_surface .AND. .NOT. neutral ) THEN
681	CALL buoyancy( i, j, pt, 1 )
682	ENDIF
683
684	!
685	!-- Drag by plant canopy
686	IF ( plant_canopy ) CALL pcm_tendency( i, j, 1 )
687
688	!
689	!-- External pressure gradient
690	IF ( dp_external ) THEN
691	DO k = dp_level_ind_b+1, nzt
692	tend(k,j,i) = tend(k,j,i) - dpdxy(1) * dp_smooth_factor(k)
693	ENDDO
694	ENDIF
695
696	!
697	!-- Nudging
698	IF ( nudging ) CALL nudge( i, j, simulated_time, 'u' )
699
700	!
701	!-- Effect of Stokes drift (in ocean mode only)
702	IF ( stokes_force ) CALL stokes_drift_terms( i, j, 1 )
703
704	!
705	!-- Forces by wind turbines
706	IF ( wind_turbine ) CALL wtm_tendencies( i, j, 1 )
707
708	CALL module_interface_actions( i, j, 'u-tendency' )
709	!
710	!-- Prognostic equation for u-velocity component
711	DO k = nzb+1, nzt
712
713	u_p(k,j,i) = u(k,j,i) + ( dt_3d * &
714	( tsc(2) * tend(k,j,i) + &
715	tsc(3) * tu_m(k,j,i) ) &
716	- tsc(5) * rdf(k) &
717	* ( u(k,j,i) - u_init(k) ) &
718	) * MERGE( 1.0_wp, 0.0_wp, &
719	BTEST( wall_flags_0(k,j,i), 1 )&
720	)
721	ENDDO
722
723	!
724	!-- Add turbulence generated by wave breaking (in ocean mode only)
725	IF ( wave_breaking .AND. &
726	intermediate_timestep_count == intermediate_timestep_count_max )&
727	THEN
728	CALL wave_breaking_term( i, j, 1 )
729	ENDIF
730
731	!
732	!-- Calculate tendencies for the next Runge-Kutta step
733	IF ( timestep_scheme(1:5) == 'runge' ) THEN
734	IF ( intermediate_timestep_count == 1 ) THEN
735	DO k = nzb+1, nzt
736	tu_m(k,j,i) = tend(k,j,i)
737	ENDDO
738	ELSEIF ( intermediate_timestep_count < &
739	intermediate_timestep_count_max ) THEN
740	DO k = nzb+1, nzt
741	tu_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
742	+ 5.3125_wp * tu_m(k,j,i)
743	ENDDO
744	ENDIF
745	ENDIF
746
747	ENDIF
748	!
749	!-- Tendency terms for v-velocity component. Please note, in case of
750	!-- non-cyclic boundary conditions the grid point j=0 is excluded from
751	!-- the prognostic equations for the v-component. !--
752	IF ( j >= nysv ) THEN
753
754	tend(:,j,i) = 0.0_wp
755	IF ( timestep_scheme(1:5) == 'runge' ) THEN
756	IF ( ws_scheme_mom ) THEN
757	CALL advec_v_ws( i, j, i_omp_start, tn )
758	ELSE
759	CALL advec_v_pw( i, j )
760	ENDIF
761	ELSE
762	CALL advec_v_up( i, j )
763	ENDIF
764	CALL diffusion_v( i, j )
765	CALL coriolis( i, j, 2 )
766
767	!
768	!-- Drag by plant canopy
769	IF ( plant_canopy ) CALL pcm_tendency( i, j, 2 )
770
771	!
772	!-- External pressure gradient
773	IF ( dp_external ) THEN
774	DO k = dp_level_ind_b+1, nzt
775	tend(k,j,i) = tend(k,j,i) - dpdxy(2) * dp_smooth_factor(k)
776	ENDDO
777	ENDIF
778
779	!
780	!-- Nudging
781	IF ( nudging ) CALL nudge( i, j, simulated_time, 'v' )
782
783	!
784	!-- Effect of Stokes drift (in ocean mode only)
785	IF ( stokes_force ) CALL stokes_drift_terms( i, j, 2 )
786
787	!
788	!-- Forces by wind turbines
789	IF ( wind_turbine ) CALL wtm_tendencies( i, j, 2 )
790
791	CALL module_interface_actions( i, j, 'v-tendency' )
792	!
793	!-- Prognostic equation for v-velocity component
794	DO k = nzb+1, nzt
795	v_p(k,j,i) = v(k,j,i) + ( dt_3d * &
796	( tsc(2) * tend(k,j,i) + &
797	tsc(3) * tv_m(k,j,i) ) &
798	- tsc(5) * rdf(k) &
799	* ( v(k,j,i) - v_init(k) )&
800	) * MERGE( 1.0_wp, 0.0_wp, &
801	BTEST( wall_flags_0(k,j,i), 2 )&
802	)
803	ENDDO
804
805	!
806	!-- Add turbulence generated by wave breaking (in ocean mode only)
807	IF ( wave_breaking .AND. &
808	intermediate_timestep_count == intermediate_timestep_count_max )&
809	THEN
810	CALL wave_breaking_term( i, j, 2 )
811	ENDIF
812
813	!
814	!-- Calculate tendencies for the next Runge-Kutta step
815	IF ( timestep_scheme(1:5) == 'runge' ) THEN
816	IF ( intermediate_timestep_count == 1 ) THEN
817	DO k = nzb+1, nzt
818	tv_m(k,j,i) = tend(k,j,i)
819	ENDDO
820	ELSEIF ( intermediate_timestep_count < &
821	intermediate_timestep_count_max ) THEN
822	DO k = nzb+1, nzt
823	tv_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
824	+ 5.3125_wp * tv_m(k,j,i)
825	ENDDO
826	ENDIF
827	ENDIF
828
829	ENDIF
830
831	!
832	!-- Tendency terms for w-velocity component
833	tend(:,j,i) = 0.0_wp
834	IF ( timestep_scheme(1:5) == 'runge' ) THEN
835	IF ( ws_scheme_mom ) THEN
836	CALL advec_w_ws( i, j, i_omp_start, tn )
837	ELSE
838	CALL advec_w_pw( i, j )
839	END IF
840	ELSE
841	CALL advec_w_up( i, j )
842	ENDIF
843	CALL diffusion_w( i, j )
844	CALL coriolis( i, j, 3 )
845
846	IF ( .NOT. neutral ) THEN
847	IF ( ocean_mode ) THEN
848	CALL buoyancy( i, j, rho_ocean, 3 )
849	ELSE
850	IF ( .NOT. humidity ) THEN
851	CALL buoyancy( i, j, pt, 3 )
852	ELSE
853	CALL buoyancy( i, j, vpt, 3 )
854	ENDIF
855	ENDIF
856	ENDIF
857
858	!
859	!-- Drag by plant canopy
860	IF ( plant_canopy ) CALL pcm_tendency( i, j, 3 )
861
862	!
863	!-- Effect of Stokes drift (in ocean mode only)
864	IF ( stokes_force ) CALL stokes_drift_terms( i, j, 3 )
865
866	!
867	!-- Forces by wind turbines
868	IF ( wind_turbine ) CALL wtm_tendencies( i, j, 3 )
869
870	CALL module_interface_actions( i, j, 'w-tendency' )
871	!
872	!-- Prognostic equation for w-velocity component
873	DO k = nzb+1, nzt-1
874	w_p(k,j,i) = w(k,j,i) + ( dt_3d * &
875	( tsc(2) * tend(k,j,i) + &
876	tsc(3) * tw_m(k,j,i) ) &
877	- tsc(5) * rdf(k) * w(k,j,i) &
878	) * MERGE( 1.0_wp, 0.0_wp, &
879	BTEST( wall_flags_0(k,j,i), 3 )&
880	)
881	ENDDO
882
883	!
884	!-- Calculate tendencies for the next Runge-Kutta step
885	IF ( timestep_scheme(1:5) == 'runge' ) THEN
886	IF ( intermediate_timestep_count == 1 ) THEN
887	DO k = nzb+1, nzt-1
888	tw_m(k,j,i) = tend(k,j,i)
889	ENDDO
890	ELSEIF ( intermediate_timestep_count < &
891	intermediate_timestep_count_max ) THEN
892	DO k = nzb+1, nzt-1
893	tw_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
894	+ 5.3125_wp * tw_m(k,j,i)
895	ENDDO
896	ENDIF
897	ENDIF
898
899	!
900	!-- If required, compute prognostic equation for potential temperature
901	IF ( .NOT. neutral ) THEN
902	!
903	!-- Tendency terms for potential temperature
904	tend(:,j,i) = 0.0_wp
905	IF ( timestep_scheme(1:5) == 'runge' ) THEN
906	IF ( ws_scheme_sca ) THEN
907	CALL advec_s_ws( i, j, pt, 'pt', flux_s_pt, diss_s_pt, &
908	flux_l_pt, diss_l_pt, i_omp_start, tn )
909	ELSE
910	CALL advec_s_pw( i, j, pt )
911	ENDIF
912	ELSE
913	CALL advec_s_up( i, j, pt )
914	ENDIF
915	CALL diffusion_s( i, j, pt, &
916	surf_def_h(0)%shf, surf_def_h(1)%shf, &
917	surf_def_h(2)%shf, &
918	surf_lsm_h%shf, surf_usm_h%shf, &
919	surf_def_v(0)%shf, surf_def_v(1)%shf, &
920	surf_def_v(2)%shf, surf_def_v(3)%shf, &
921	surf_lsm_v(0)%shf, surf_lsm_v(1)%shf, &
922	surf_lsm_v(2)%shf, surf_lsm_v(3)%shf, &
923	surf_usm_v(0)%shf, surf_usm_v(1)%shf, &
924	surf_usm_v(2)%shf, surf_usm_v(3)%shf )
925
926	!
927	!-- Consideration of heat sources within the plant canopy
928	IF ( plant_canopy .AND. &
929	(cthf /= 0.0_wp .OR. urban_surface .OR. land_surface) ) THEN
930	CALL pcm_tendency( i, j, 4 )
931	ENDIF
932
933	!
934	!-- Large scale advection
935	IF ( large_scale_forcing ) THEN
936	CALL ls_advec( i, j, simulated_time, 'pt' )
937	ENDIF
938
939	!
940	!-- Nudging
941	IF ( nudging ) CALL nudge( i, j, simulated_time, 'pt' )
942
943	!
944	!-- If required, compute effect of large-scale subsidence/ascent
945	IF ( large_scale_subsidence .AND. &
946	.NOT. use_subsidence_tendencies ) THEN
947	CALL subsidence( i, j, tend, pt, pt_init, 2 )
948	ENDIF
949
950	#if defined( __rrtmg )
951	!
952	!-- If required, add tendency due to radiative heating/cooling
953	IF ( radiation .AND. &
954	simulated_time > skip_time_do_radiation ) THEN
955	CALL radiation_tendency ( i, j, tend )
956	ENDIF
957	#endif
958
959	CALL module_interface_actions( i, j, 'pt-tendency' )
960	!
961	!-- Prognostic equation for potential temperature
962	DO k = nzb+1, nzt
963	pt_p(k,j,i) = pt(k,j,i) + ( dt_3d * &
964	( tsc(2) * tend(k,j,i) + &
965	tsc(3) * tpt_m(k,j,i) ) &
966	- tsc(5) &
967	* ( pt(k,j,i) - pt_init(k) ) &
968	* ( rdf_sc(k) + ptdf_x(i) &
969	+ ptdf_y(j) ) &
970	) &
971	* MERGE( 1.0_wp, 0.0_wp, &
972	BTEST( wall_flags_0(k,j,i), 0 )&
973	)
974	ENDDO
975
976	!
977	!-- Calculate tendencies for the next Runge-Kutta step
978	IF ( timestep_scheme(1:5) == 'runge' ) THEN
979	IF ( intermediate_timestep_count == 1 ) THEN
980	DO k = nzb+1, nzt
981	tpt_m(k,j,i) = tend(k,j,i)
982	ENDDO
983	ELSEIF ( intermediate_timestep_count < &
984	intermediate_timestep_count_max ) THEN
985	DO k = nzb+1, nzt
986	tpt_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
987	5.3125_wp * tpt_m(k,j,i)
988	ENDDO
989	ENDIF
990	ENDIF
991
992	ENDIF
993
994	!
995	!-- If required, compute prognostic equation for total water content
996	IF ( humidity ) THEN
997
998	!
999	!-- Tendency-terms for total water content / scalar
1000	tend(:,j,i) = 0.0_wp
1001	IF ( timestep_scheme(1:5) == 'runge' ) &
1002	THEN
1003	IF ( ws_scheme_sca ) THEN
1004	CALL advec_s_ws( i, j, q, 'q', flux_s_q, &
1005	diss_s_q, flux_l_q, diss_l_q, i_omp_start, tn )
1006	ELSE
1007	CALL advec_s_pw( i, j, q )
1008	ENDIF
1009	ELSE
1010	CALL advec_s_up( i, j, q )
1011	ENDIF
1012	CALL diffusion_s( i, j, q, &
1013	surf_def_h(0)%qsws, surf_def_h(1)%qsws, &
1014	surf_def_h(2)%qsws, &
1015	surf_lsm_h%qsws, surf_usm_h%qsws, &
1016	surf_def_v(0)%qsws, surf_def_v(1)%qsws, &
1017	surf_def_v(2)%qsws, surf_def_v(3)%qsws, &
1018	surf_lsm_v(0)%qsws, surf_lsm_v(1)%qsws, &
1019	surf_lsm_v(2)%qsws, surf_lsm_v(3)%qsws, &
1020	surf_usm_v(0)%qsws, surf_usm_v(1)%qsws, &
1021	surf_usm_v(2)%qsws, surf_usm_v(3)%qsws )
1022
1023	!
1024	!-- Sink or source of humidity due to canopy elements
1025	IF ( plant_canopy ) CALL pcm_tendency( i, j, 5 )
1026
1027	!
1028	!-- Large scale advection
1029	IF ( large_scale_forcing ) THEN
1030	CALL ls_advec( i, j, simulated_time, 'q' )
1031	ENDIF
1032
1033	!
1034	!-- Nudging
1035	IF ( nudging ) CALL nudge( i, j, simulated_time, 'q' )
1036
1037	!
1038	!-- If required compute influence of large-scale subsidence/ascent
1039	IF ( large_scale_subsidence .AND. &
1040	.NOT. use_subsidence_tendencies ) THEN
1041	CALL subsidence( i, j, tend, q, q_init, 3 )
1042	ENDIF
1043
1044	CALL module_interface_actions( i, j, 'q-tendency' )
1045
1046	!
1047	!-- Prognostic equation for total water content / scalar
1048	DO k = nzb+1, nzt
1049	q_p(k,j,i) = q(k,j,i) + ( dt_3d * &
1050	( tsc(2) * tend(k,j,i) + &
1051	tsc(3) * tq_m(k,j,i) ) &
1052	- tsc(5) * rdf_sc(k) * &
1053	( q(k,j,i) - q_init(k) ) &
1054	) &
1055	* MERGE( 1.0_wp, 0.0_wp, &
1056	BTEST( wall_flags_0(k,j,i), 0 )&
1057	)
1058	IF ( q_p(k,j,i) < 0.0_wp ) q_p(k,j,i) = 0.1_wp * q(k,j,i)
1059	ENDDO
1060
1061	!
1062	!-- Calculate tendencies for the next Runge-Kutta step
1063	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1064	IF ( intermediate_timestep_count == 1 ) THEN
1065	DO k = nzb+1, nzt
1066	tq_m(k,j,i) = tend(k,j,i)
1067	ENDDO
1068	ELSEIF ( intermediate_timestep_count < &
1069	intermediate_timestep_count_max ) THEN
1070	DO k = nzb+1, nzt
1071	tq_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
1072	5.3125_wp * tq_m(k,j,i)
1073	ENDDO
1074	ENDIF
1075	ENDIF
1076
1077	!
1078	!-- If required, calculate prognostic equations for cloud water content
1079	!-- and cloud drop concentration
1080	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
1081	!
1082	!-- Calculate prognostic equation for cloud water content
1083	tend(:,j,i) = 0.0_wp
1084	IF ( timestep_scheme(1:5) == 'runge' ) &
1085	THEN
1086	IF ( ws_scheme_sca ) THEN
1087	CALL advec_s_ws( i, j, qc, 'qc', flux_s_qc, &
1088	diss_s_qc, flux_l_qc, diss_l_qc, &
1089	i_omp_start, tn )
1090	ELSE
1091	CALL advec_s_pw( i, j, qc )
1092	ENDIF
1093	ELSE
1094	CALL advec_s_up( i, j, qc )
1095	ENDIF
1096	CALL diffusion_s( i, j, qc, &
1097	surf_def_h(0)%qcsws, surf_def_h(1)%qcsws, &
1098	surf_def_h(2)%qcsws, &
1099	surf_lsm_h%qcsws, surf_usm_h%qcsws, &
1100	surf_def_v(0)%qcsws, surf_def_v(1)%qcsws, &
1101	surf_def_v(2)%qcsws, surf_def_v(3)%qcsws, &
1102	surf_lsm_v(0)%qcsws, surf_lsm_v(1)%qcsws, &
1103	surf_lsm_v(2)%qcsws, surf_lsm_v(3)%qcsws, &
1104	surf_usm_v(0)%qcsws, surf_usm_v(1)%qcsws, &
1105	surf_usm_v(2)%qcsws, surf_usm_v(3)%qcsws )
1106
1107	!
1108	!-- Prognostic equation for cloud water content
1109	DO k = nzb+1, nzt
1110	qc_p(k,j,i) = qc(k,j,i) + ( dt_3d * &
1111	( tsc(2) * tend(k,j,i) + &
1112	tsc(3) * tqc_m(k,j,i) )&
1113	- tsc(5) * rdf_sc(k) &
1114	* qc(k,j,i) &
1115	) &
1116	* MERGE( 1.0_wp, 0.0_wp, &
1117	BTEST( wall_flags_0(k,j,i), 0 )&
1118	)
1119	IF ( qc_p(k,j,i) < 0.0_wp ) qc_p(k,j,i) = 0.0_wp
1120	ENDDO
1121	!
1122	!-- Calculate tendencies for the next Runge-Kutta step
1123	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1124	IF ( intermediate_timestep_count == 1 ) THEN
1125	DO k = nzb+1, nzt
1126	tqc_m(k,j,i) = tend(k,j,i)
1127	ENDDO
1128	ELSEIF ( intermediate_timestep_count < &
1129	intermediate_timestep_count_max ) THEN
1130	DO k = nzb+1, nzt
1131	tqc_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
1132	5.3125_wp * tqc_m(k,j,i)
1133	ENDDO
1134	ENDIF
1135	ENDIF
1136
1137	!
1138	!-- Calculate prognostic equation for cloud drop concentration.
1139	tend(:,j,i) = 0.0_wp
1140	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1141	IF ( ws_scheme_sca ) THEN
1142	CALL advec_s_ws( i, j, nc, 'nc', flux_s_nc, &
1143	diss_s_nc, flux_l_nc, diss_l_nc, &
1144	i_omp_start, tn )
1145	ELSE
1146	CALL advec_s_pw( i, j, nc )
1147	ENDIF
1148	ELSE
1149	CALL advec_s_up( i, j, nc )
1150	ENDIF
1151	CALL diffusion_s( i, j, nc, &
1152	surf_def_h(0)%ncsws, surf_def_h(1)%ncsws, &
1153	surf_def_h(2)%ncsws, &
1154	surf_lsm_h%ncsws, surf_usm_h%ncsws, &
1155	surf_def_v(0)%ncsws, surf_def_v(1)%ncsws, &
1156	surf_def_v(2)%ncsws, surf_def_v(3)%ncsws, &
1157	surf_lsm_v(0)%ncsws, surf_lsm_v(1)%ncsws, &
1158	surf_lsm_v(2)%ncsws, surf_lsm_v(3)%ncsws, &
1159	surf_usm_v(0)%ncsws, surf_usm_v(1)%ncsws, &
1160	surf_usm_v(2)%ncsws, surf_usm_v(3)%ncsws )
1161
1162	!
1163	!-- Prognostic equation for cloud drop concentration
1164	DO k = nzb+1, nzt
1165	nc_p(k,j,i) = nc(k,j,i) + ( dt_3d * &
1166	( tsc(2) * tend(k,j,i) + &
1167	tsc(3) * tnc_m(k,j,i) )&
1168	- tsc(5) * rdf_sc(k) &
1169	* nc(k,j,i) &
1170	) &
1171	* MERGE( 1.0_wp, 0.0_wp, &
1172	BTEST( wall_flags_0(k,j,i), 0 )&
1173	)
1174	IF ( nc_p(k,j,i) < 0.0_wp ) nc_p(k,j,i) = 0.0_wp
1175	ENDDO
1176	!
1177	!-- Calculate tendencies for the next Runge-Kutta step
1178	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1179	IF ( intermediate_timestep_count == 1 ) THEN
1180	DO k = nzb+1, nzt
1181	tnc_m(k,j,i) = tend(k,j,i)
1182	ENDDO
1183	ELSEIF ( intermediate_timestep_count < &
1184	intermediate_timestep_count_max ) THEN
1185	DO k = nzb+1, nzt
1186	tnc_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
1187	5.3125_wp * tnc_m(k,j,i)
1188	ENDDO
1189	ENDIF
1190	ENDIF
1191
1192	ENDIF
1193	!
1194	!-- If required, calculate prognostic equations for rain water content
1195	!-- and rain drop concentration
1196	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
1197	!
1198	!-- Calculate prognostic equation for rain water content
1199	tend(:,j,i) = 0.0_wp
1200	IF ( timestep_scheme(1:5) == 'runge' ) &
1201	THEN
1202	IF ( ws_scheme_sca ) THEN
1203	CALL advec_s_ws( i, j, qr, 'qr', flux_s_qr, &
1204	diss_s_qr, flux_l_qr, diss_l_qr, &
1205	i_omp_start, tn )
1206	ELSE
1207	CALL advec_s_pw( i, j, qr )
1208	ENDIF
1209	ELSE
1210	CALL advec_s_up( i, j, qr )
1211	ENDIF
1212	CALL diffusion_s( i, j, qr, &
1213	surf_def_h(0)%qrsws, surf_def_h(1)%qrsws, &
1214	surf_def_h(2)%qrsws, &
1215	surf_lsm_h%qrsws, surf_usm_h%qrsws, &
1216	surf_def_v(0)%qrsws, surf_def_v(1)%qrsws, &
1217	surf_def_v(2)%qrsws, surf_def_v(3)%qrsws, &
1218	surf_lsm_v(0)%qrsws, surf_lsm_v(1)%qrsws, &
1219	surf_lsm_v(2)%qrsws, surf_lsm_v(3)%qrsws, &
1220	surf_usm_v(0)%qrsws, surf_usm_v(1)%qrsws, &
1221	surf_usm_v(2)%qrsws, surf_usm_v(3)%qrsws )
1222
1223	!
1224	!-- Prognostic equation for rain water content
1225	DO k = nzb+1, nzt
1226	qr_p(k,j,i) = qr(k,j,i) + ( dt_3d * &
1227	( tsc(2) * tend(k,j,i) + &
1228	tsc(3) * tqr_m(k,j,i) )&
1229	- tsc(5) * rdf_sc(k) &
1230	* qr(k,j,i) &
1231	) &
1232	* MERGE( 1.0_wp, 0.0_wp, &
1233	BTEST( wall_flags_0(k,j,i), 0 )&
1234	)
1235	IF ( qr_p(k,j,i) < 0.0_wp ) qr_p(k,j,i) = 0.0_wp
1236	ENDDO
1237	!
1238	!-- Calculate tendencies for the next Runge-Kutta step
1239	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1240	IF ( intermediate_timestep_count == 1 ) THEN
1241	DO k = nzb+1, nzt
1242	tqr_m(k,j,i) = tend(k,j,i)
1243	ENDDO
1244	ELSEIF ( intermediate_timestep_count < &
1245	intermediate_timestep_count_max ) THEN
1246	DO k = nzb+1, nzt
1247	tqr_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
1248	5.3125_wp * tqr_m(k,j,i)
1249	ENDDO
1250	ENDIF
1251	ENDIF
1252
1253	!
1254	!-- Calculate prognostic equation for rain drop concentration.
1255	tend(:,j,i) = 0.0_wp
1256	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1257	IF ( ws_scheme_sca ) THEN
1258	CALL advec_s_ws( i, j, nr, 'nr', flux_s_nr, &
1259	diss_s_nr, flux_l_nr, diss_l_nr, &
1260	i_omp_start, tn )
1261	ELSE
1262	CALL advec_s_pw( i, j, nr )
1263	ENDIF
1264	ELSE
1265	CALL advec_s_up( i, j, nr )
1266	ENDIF
1267	CALL diffusion_s( i, j, nr, &
1268	surf_def_h(0)%nrsws, surf_def_h(1)%nrsws, &
1269	surf_def_h(2)%nrsws, &
1270	surf_lsm_h%nrsws, surf_usm_h%nrsws, &
1271	surf_def_v(0)%nrsws, surf_def_v(1)%nrsws, &
1272	surf_def_v(2)%nrsws, surf_def_v(3)%nrsws, &
1273	surf_lsm_v(0)%nrsws, surf_lsm_v(1)%nrsws, &
1274	surf_lsm_v(2)%nrsws, surf_lsm_v(3)%nrsws, &
1275	surf_usm_v(0)%nrsws, surf_usm_v(1)%nrsws, &
1276	surf_usm_v(2)%nrsws, surf_usm_v(3)%nrsws )
1277
1278	!
1279	!-- Prognostic equation for rain drop concentration
1280	DO k = nzb+1, nzt
1281	nr_p(k,j,i) = nr(k,j,i) + ( dt_3d * &
1282	( tsc(2) * tend(k,j,i) + &
1283	tsc(3) * tnr_m(k,j,i) )&
1284	- tsc(5) * rdf_sc(k) &
1285	* nr(k,j,i) &
1286	) &
1287	* MERGE( 1.0_wp, 0.0_wp, &
1288	BTEST( wall_flags_0(k,j,i), 0 )&
1289	)
1290	IF ( nr_p(k,j,i) < 0.0_wp ) nr_p(k,j,i) = 0.0_wp
1291	ENDDO
1292	!
1293	!-- Calculate tendencies for the next Runge-Kutta step
1294	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1295	IF ( intermediate_timestep_count == 1 ) THEN
1296	DO k = nzb+1, nzt
1297	tnr_m(k,j,i) = tend(k,j,i)
1298	ENDDO
1299	ELSEIF ( intermediate_timestep_count < &
1300	intermediate_timestep_count_max ) THEN
1301	DO k = nzb+1, nzt
1302	tnr_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
1303	5.3125_wp * tnr_m(k,j,i)
1304	ENDDO
1305	ENDIF
1306	ENDIF
1307
1308	ENDIF
1309
1310	ENDIF
1311
1312	!
1313	!-- If required, compute prognostic equation for scalar
1314	IF ( passive_scalar ) THEN
1315	!
1316	!-- Tendency-terms for total water content / scalar
1317	tend(:,j,i) = 0.0_wp
1318	IF ( timestep_scheme(1:5) == 'runge' ) &
1319	THEN
1320	IF ( ws_scheme_sca ) THEN
1321	CALL advec_s_ws( i, j, s, 's', flux_s_s, &
1322	diss_s_s, flux_l_s, diss_l_s, i_omp_start, tn )
1323	ELSE
1324	CALL advec_s_pw( i, j, s )
1325	ENDIF
1326	ELSE
1327	CALL advec_s_up( i, j, s )
1328	ENDIF
1329	CALL diffusion_s( i, j, s, &
1330	surf_def_h(0)%ssws, surf_def_h(1)%ssws, &
1331	surf_def_h(2)%ssws, &
1332	surf_lsm_h%ssws, surf_usm_h%ssws, &
1333	surf_def_v(0)%ssws, surf_def_v(1)%ssws, &
1334	surf_def_v(2)%ssws, surf_def_v(3)%ssws, &
1335	surf_lsm_v(0)%ssws, surf_lsm_v(1)%ssws, &
1336	surf_lsm_v(2)%ssws, surf_lsm_v(3)%ssws, &
1337	surf_usm_v(0)%ssws, surf_usm_v(1)%ssws, &
1338	surf_usm_v(2)%ssws, surf_usm_v(3)%ssws )
1339
1340	!
1341	!-- Sink or source of scalar concentration due to canopy elements
1342	IF ( plant_canopy ) CALL pcm_tendency( i, j, 7 )
1343
1344	!
1345	!-- Large scale advection, still need to be extended for scalars
1346	! IF ( large_scale_forcing ) THEN
1347	! CALL ls_advec( i, j, simulated_time, 's' )
1348	! ENDIF
1349
1350	!
1351	!-- Nudging, still need to be extended for scalars
1352	! IF ( nudging ) CALL nudge( i, j, simulated_time, 's' )
1353
1354	!
1355	!-- If required compute influence of large-scale subsidence/ascent.
1356	!-- Note, the last argument is of no meaning in this case, as it is
1357	!-- only used in conjunction with large_scale_forcing, which is to
1358	!-- date not implemented for scalars.
1359	IF ( large_scale_subsidence .AND. &
1360	.NOT. use_subsidence_tendencies .AND. &
1361	.NOT. large_scale_forcing ) THEN
1362	CALL subsidence( i, j, tend, s, s_init, 3 )
1363	ENDIF
1364
1365	CALL module_interface_actions( i, j, 's-tendency' )
1366
1367	!
1368	!-- Prognostic equation for scalar
1369	DO k = nzb+1, nzt
1370	s_p(k,j,i) = s(k,j,i) + ( dt_3d * &
1371	( tsc(2) * tend(k,j,i) + &
1372	tsc(3) * ts_m(k,j,i) ) &
1373	- tsc(5) * rdf_sc(k) &
1374	* ( s(k,j,i) - s_init(k) )&
1375	) &
1376	* MERGE( 1.0_wp, 0.0_wp, &
1377	BTEST( wall_flags_0(k,j,i), 0 )&
1378	)
1379	IF ( s_p(k,j,i) < 0.0_wp ) s_p(k,j,i) = 0.1_wp * s(k,j,i)
1380	ENDDO
1381
1382	!
1383	!-- Calculate tendencies for the next Runge-Kutta step
1384	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1385	IF ( intermediate_timestep_count == 1 ) THEN
1386	DO k = nzb+1, nzt
1387	ts_m(k,j,i) = tend(k,j,i)
1388	ENDDO
1389	ELSEIF ( intermediate_timestep_count < &
1390	intermediate_timestep_count_max ) THEN
1391	DO k = nzb+1, nzt
1392	ts_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
1393	5.3125_wp * ts_m(k,j,i)
1394	ENDDO
1395	ENDIF
1396	ENDIF
1397
1398	ENDIF
1399	!
1400	!-- Calculate prognostic equations for turbulence closure
1401	CALL tcm_prognostic_equations( i, j, i_omp_start, tn )
1402
1403	!
1404	!-- Calculate prognostic equation for chemical quantites
1405	IF ( air_chemistry ) THEN
1406	!> TODO: remove time measurement since it slows down performance because it will be called extremely often
1407	!
1408	!-- Loop over chemical species
1409	DO lsp = 1, nvar
1410	CALL chem_prognostic_equations( chem_species(lsp)%conc_p, &
1411	chem_species(lsp)%conc, &
1412	chem_species(lsp)%tconc_m, &
1413	chem_species(lsp)%conc_pr_init, &
1414	i, j, i_omp_start, tn, lsp, &
1415	chem_species(lsp)%flux_s_cs, &
1416	chem_species(lsp)%diss_s_cs, &
1417	chem_species(lsp)%flux_l_cs, &
1418	chem_species(lsp)%diss_l_cs )
1419	ENDDO
1420
1421	ENDIF ! Chemical equations
1422	!
1423	!-- Calculate prognostic equations for the ocean
1424	IF ( ocean_mode ) THEN
1425	CALL ocean_prognostic_equations( i, j, i_omp_start, tn )
1426	ENDIF
1427
1428	IF ( salsa ) THEN
1429	!
1430	!-- Loop over aerosol size bins: number and mass bins
1431	IF ( time_since_reference_point >= skip_time_do_salsa ) THEN
1432
1433	DO b = 1, nbins
1434	sums_salsa_ws_l = aerosol_number(b)%sums_ws_l
1435	CALL salsa_tendency( 'aerosol_number', &
1436	aerosol_number(b)%conc_p, &
1437	aerosol_number(b)%conc, &
1438	aerosol_number(b)%tconc_m, &
1439	i, j, i_omp_start, tn, b, b, &
1440	aerosol_number(b)%flux_s, &
1441	aerosol_number(b)%diss_s, &
1442	aerosol_number(b)%flux_l, &
1443	aerosol_number(b)%diss_l, &
1444	aerosol_number(b)%init )
1445	aerosol_number(b)%sums_ws_l = sums_salsa_ws_l
1446	DO c = 1, ncc_tot
1447	sums_salsa_ws_l = aerosol_mass((c-1)*nbins+b)%sums_ws_l
1448	CALL salsa_tendency( 'aerosol_mass', &
1449	aerosol_mass((c-1)*nbins+b)%conc_p,&
1450	aerosol_mass((c-1)*nbins+b)%conc, &
1451	aerosol_mass((c-1)*nbins+b)%tconc_m,&
1452	i, j, i_omp_start, tn, b, c, &
1453	aerosol_mass((c-1)*nbins+b)%flux_s,&
1454	aerosol_mass((c-1)*nbins+b)%diss_s,&
1455	aerosol_mass((c-1)*nbins+b)%flux_l,&
1456	aerosol_mass((c-1)*nbins+b)%diss_l,&
1457	aerosol_mass((c-1)*nbins+b)%init )
1458	aerosol_mass((c-1)*nbins+b)%sums_ws_l = sums_salsa_ws_l
1459	ENDDO
1460	ENDDO
1461	IF ( .NOT. salsa_gases_from_chem ) THEN
1462	DO g = 1, ngast
1463	sums_salsa_ws_l = salsa_gas(g)%sums_ws_l
1464	CALL salsa_tendency( 'salsa_gas', salsa_gas(g)%conc_p, &
1465	salsa_gas(g)%conc, salsa_gas(g)%tconc_m, &
1466	i, j, i_omp_start, tn, g, g, &
1467	salsa_gas(g)%flux_s, salsa_gas(g)%diss_s,&
1468	salsa_gas(g)%flux_l, salsa_gas(g)%diss_l,&
1469	salsa_gas(g)%init )
1470	salsa_gas(g)%sums_ws_l = sums_salsa_ws_l
1471	ENDDO
1472	ENDIF
1473
1474	ENDIF
1475
1476	ENDIF
1477
1478	ENDDO ! loop over j
1479	ENDDO ! loop over i
1480	!$OMP END PARALLEL
1481
1482
1483	CALL cpu_log( log_point(32), 'all progn.equations', 'stop' )
1484
1485
1486	END SUBROUTINE prognostic_equations_cache
1487
1488
1489	!------------------------------------------------------------------------------!
1490	! Description:
1491	! ------------
1492	!> Version for vector machines
1493	!------------------------------------------------------------------------------!
1494
1495	SUBROUTINE prognostic_equations_vector
1496
1497
1498	IMPLICIT NONE
1499
1500	INTEGER(iwp) :: b !< index for aerosol size bins (salsa)
1501	INTEGER(iwp) :: c !< index for chemical compounds (salsa)
1502	INTEGER(iwp) :: g !< index for gaseous compounds (salsa)
1503	INTEGER(iwp) :: i !<
1504	INTEGER(iwp) :: j !<
1505	INTEGER(iwp) :: k !<
1506	INTEGER(iwp) :: lsp !< running index for chemical species
1507
1508	REAL(wp) :: sbt !<
1509
1510	!
1511	!-- Run SALSA and aerosol dynamic processes. SALSA is run with a longer time
1512	!-- step. The exchange of ghost points is required after this update of the
1513	!-- concentrations of aerosol number and mass
1514	IF ( salsa ) THEN
1515
1516	IF ( time_since_reference_point >= skip_time_do_salsa ) THEN
1517
1518	IF ( ( time_since_reference_point - last_salsa_time ) >= dt_salsa ) &
1519	THEN
1520
1521	CALL cpu_log( log_point_s(90), 'salsa processes ', 'start' )
1522	!$OMP PARALLEL PRIVATE (i,j,b,c,g)
1523	!$OMP DO
1524	!
1525	!-- Call salsa processes
1526	DO i = nxl, nxr
1527	DO j = nys, nyn
1528	CALL salsa_diagnostics( i, j )
1529	CALL salsa_driver( i, j, 3 )
1530	CALL salsa_diagnostics( i, j )
1531	ENDDO
1532	ENDDO
1533
1534	CALL cpu_log( log_point_s(90), 'salsa processes ', 'stop' )
1535
1536	CALL cpu_log( log_point_s(91), 'salsa exch-horiz ', 'start' )
1537	!
1538	!-- Exchange ghost points and decycle if needed.
1539	DO b = 1, nbins
1540	CALL exchange_horiz( aerosol_number(b)%conc, nbgp )
1541	CALL salsa_boundary_conds( aerosol_number(b)%conc_p, &
1542	aerosol_number(b)%init )
1543	DO c = 1, ncc_tot
1544	CALL exchange_horiz( aerosol_mass((c-1)*nbins+b)%conc, nbgp )
1545	CALL salsa_boundary_conds( &
1546	aerosol_mass((c-1)*nbins+b)%conc_p, &
1547	aerosol_mass((c-1)*nbins+b)%init )
1548	ENDDO
1549	ENDDO
1550
1551	IF ( .NOT. salsa_gases_from_chem ) THEN
1552	DO g = 1, ngast
1553	CALL exchange_horiz( salsa_gas(g)%conc, nbgp )
1554	CALL salsa_boundary_conds( salsa_gas(g)%conc_p, &
1555	salsa_gas(g)%init )
1556	ENDDO
1557	ENDIF
1558	CALL cpu_log( log_point_s(91), 'salsa exch-horiz ', 'stop' )
1559
1560	!$OMP END PARALLEL
1561	last_salsa_time = time_since_reference_point
1562
1563	ENDIF
1564
1565	ENDIF
1566
1567	ENDIF
1568
1569	!
1570	!-- If required, calculate cloud microphysical impacts
1571	IF ( bulk_cloud_model .AND. .NOT. microphysics_sat_adjust .AND. &
1572	( intermediate_timestep_count == 1 .OR. &
1573	call_microphysics_at_all_substeps ) &
1574	) THEN
1575	CALL cpu_log( log_point(51), 'microphysics', 'start' )
1576	CALL bcm_actions
1577	CALL cpu_log( log_point(51), 'microphysics', 'stop' )
1578	ENDIF
1579
1580	!
1581	!-- u-velocity component
1582	CALL cpu_log( log_point(5), 'u-equation', 'start' )
1583
1584	!$ACC KERNELS PRESENT(tend)
1585	tend = 0.0_wp
1586	!$ACC END KERNELS
1587	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1588	IF ( ws_scheme_mom ) THEN
1589	CALL advec_u_ws
1590	ELSE
1591	CALL advec_u_pw
1592	ENDIF
1593	ELSE
1594	CALL advec_u_up
1595	ENDIF
1596	CALL diffusion_u
1597	CALL coriolis( 1 )
1598	IF ( sloping_surface .AND. .NOT. neutral ) THEN
1599	CALL buoyancy( pt, 1 )
1600	ENDIF
1601
1602	!
1603	!-- Drag by plant canopy
1604	IF ( plant_canopy ) CALL pcm_tendency( 1 )
1605
1606	!
1607	!-- External pressure gradient
1608	IF ( dp_external ) THEN
1609	DO i = nxlu, nxr
1610	DO j = nys, nyn
1611	DO k = dp_level_ind_b+1, nzt
1612	tend(k,j,i) = tend(k,j,i) - dpdxy(1) * dp_smooth_factor(k)
1613	ENDDO
1614	ENDDO
1615	ENDDO
1616	ENDIF
1617
1618	!
1619	!-- Nudging
1620	IF ( nudging ) CALL nudge( simulated_time, 'u' )
1621
1622	!
1623	!-- Effect of Stokes drift (in ocean mode only)
1624	IF ( stokes_force ) CALL stokes_drift_terms( 1 )
1625
1626	!
1627	!-- Forces by wind turbines
1628	IF ( wind_turbine ) CALL wtm_tendencies( 1 )
1629
1630	CALL module_interface_actions( 'u-tendency' )
1631
1632	!
1633	!-- Prognostic equation for u-velocity component
1634	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1635	!$ACC PRESENT(u, tend, tu_m, u_init, rdf, wall_flags_0) &
1636	!$ACC PRESENT(tsc(2:5)) &
1637	!$ACC PRESENT(u_p)
1638	DO i = nxlu, nxr
1639	DO j = nys, nyn
1640	DO k = nzb+1, nzt
1641	u_p(k,j,i) = u(k,j,i) + ( dt_3d * ( tsc(2) * tend(k,j,i) + &
1642	tsc(3) * tu_m(k,j,i) ) &
1643	- tsc(5) * rdf(k) * &
1644	( u(k,j,i) - u_init(k) ) &
1645	) * MERGE( 1.0_wp, 0.0_wp, &
1646	BTEST( wall_flags_0(k,j,i), 1 ) &
1647	)
1648	ENDDO
1649	ENDDO
1650	ENDDO
1651
1652	!
1653	!-- Add turbulence generated by wave breaking (in ocean mode only)
1654	IF ( wave_breaking .AND. &
1655	intermediate_timestep_count == intermediate_timestep_count_max ) &
1656	THEN
1657	CALL wave_breaking_term( 1 )
1658	ENDIF
1659
1660	!
1661	!-- Calculate tendencies for the next Runge-Kutta step
1662	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1663	IF ( intermediate_timestep_count == 1 ) THEN
1664	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1665	!$ACC PRESENT(tend, tu_m)
1666	DO i = nxlu, nxr
1667	DO j = nys, nyn
1668	DO k = nzb+1, nzt
1669	tu_m(k,j,i) = tend(k,j,i)
1670	ENDDO
1671	ENDDO
1672	ENDDO
1673	ELSEIF ( intermediate_timestep_count < &
1674	intermediate_timestep_count_max ) THEN
1675	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1676	!$ACC PRESENT(tend, tu_m)
1677	DO i = nxlu, nxr
1678	DO j = nys, nyn
1679	DO k = nzb+1, nzt
1680	tu_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
1681	+ 5.3125_wp * tu_m(k,j,i)
1682	ENDDO
1683	ENDDO
1684	ENDDO
1685	ENDIF
1686	ENDIF
1687
1688	CALL cpu_log( log_point(5), 'u-equation', 'stop' )
1689
1690	!
1691	!-- v-velocity component
1692	CALL cpu_log( log_point(6), 'v-equation', 'start' )
1693
1694	!$ACC KERNELS PRESENT(tend)
1695	tend = 0.0_wp
1696	!$ACC END KERNELS
1697	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1698	IF ( ws_scheme_mom ) THEN
1699	CALL advec_v_ws
1700	ELSE
1701	CALL advec_v_pw
1702	END IF
1703	ELSE
1704	CALL advec_v_up
1705	ENDIF
1706	CALL diffusion_v
1707	CALL coriolis( 2 )
1708
1709	!
1710	!-- Drag by plant canopy
1711	IF ( plant_canopy ) CALL pcm_tendency( 2 )
1712
1713	!
1714	!-- External pressure gradient
1715	IF ( dp_external ) THEN
1716	DO i = nxl, nxr
1717	DO j = nysv, nyn
1718	DO k = dp_level_ind_b+1, nzt
1719	tend(k,j,i) = tend(k,j,i) - dpdxy(2) * dp_smooth_factor(k)
1720	ENDDO
1721	ENDDO
1722	ENDDO
1723	ENDIF
1724
1725	!
1726	!-- Nudging
1727	IF ( nudging ) CALL nudge( simulated_time, 'v' )
1728
1729	!
1730	!-- Effect of Stokes drift (in ocean mode only)
1731	IF ( stokes_force ) CALL stokes_drift_terms( 2 )
1732
1733	!
1734	!-- Forces by wind turbines
1735	IF ( wind_turbine ) CALL wtm_tendencies( 2 )
1736
1737	CALL module_interface_actions( 'v-tendency' )
1738
1739	!
1740	!-- Prognostic equation for v-velocity component
1741	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1742	!$ACC PRESENT(v, tend, tv_m, v_init, rdf, wall_flags_0) &
1743	!$ACC PRESENT(tsc(2:5)) &
1744	!$ACC PRESENT(v_p)
1745	DO i = nxl, nxr
1746	DO j = nysv, nyn
1747	DO k = nzb+1, nzt
1748	v_p(k,j,i) = v(k,j,i) + ( dt_3d * ( tsc(2) * tend(k,j,i) + &
1749	tsc(3) * tv_m(k,j,i) ) &
1750	- tsc(5) * rdf(k) * &
1751	( v(k,j,i) - v_init(k) ) &
1752	) * MERGE( 1.0_wp, 0.0_wp, &
1753	BTEST( wall_flags_0(k,j,i), 2 )&
1754	)
1755	ENDDO
1756	ENDDO
1757	ENDDO
1758
1759	!
1760	!-- Add turbulence generated by wave breaking (in ocean mode only)
1761	IF ( wave_breaking .AND. &
1762	intermediate_timestep_count == intermediate_timestep_count_max ) &
1763	THEN
1764	CALL wave_breaking_term( 2 )
1765	ENDIF
1766
1767	!
1768	!-- Calculate tendencies for the next Runge-Kutta step
1769	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1770	IF ( intermediate_timestep_count == 1 ) THEN
1771	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1772	!$ACC PRESENT(tend, tv_m)
1773	DO i = nxl, nxr
1774	DO j = nysv, nyn
1775	DO k = nzb+1, nzt
1776	tv_m(k,j,i) = tend(k,j,i)
1777	ENDDO
1778	ENDDO
1779	ENDDO
1780	ELSEIF ( intermediate_timestep_count < &
1781	intermediate_timestep_count_max ) THEN
1782	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1783	!$ACC PRESENT(tend, tv_m)
1784	DO i = nxl, nxr
1785	DO j = nysv, nyn
1786	DO k = nzb+1, nzt
1787	tv_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
1788	+ 5.3125_wp * tv_m(k,j,i)
1789	ENDDO
1790	ENDDO
1791	ENDDO
1792	ENDIF
1793	ENDIF
1794
1795	CALL cpu_log( log_point(6), 'v-equation', 'stop' )
1796
1797	!
1798	!-- w-velocity component
1799	CALL cpu_log( log_point(7), 'w-equation', 'start' )
1800
1801	!$ACC KERNELS PRESENT(tend)
1802	tend = 0.0_wp
1803	!$ACC END KERNELS
1804	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1805	IF ( ws_scheme_mom ) THEN
1806	CALL advec_w_ws
1807	ELSE
1808	CALL advec_w_pw
1809	ENDIF
1810	ELSE
1811	CALL advec_w_up
1812	ENDIF
1813	CALL diffusion_w
1814	CALL coriolis( 3 )
1815
1816	IF ( .NOT. neutral ) THEN
1817	IF ( ocean_mode ) THEN
1818	CALL buoyancy( rho_ocean, 3 )
1819	ELSE
1820	IF ( .NOT. humidity ) THEN
1821	CALL buoyancy( pt, 3 )
1822	ELSE
1823	CALL buoyancy( vpt, 3 )
1824	ENDIF
1825	ENDIF
1826	ENDIF
1827
1828	!
1829	!-- Drag by plant canopy
1830	IF ( plant_canopy ) CALL pcm_tendency( 3 )
1831
1832	!
1833	!-- Effect of Stokes drift (in ocean mode only)
1834	IF ( stokes_force ) CALL stokes_drift_terms( 3 )
1835
1836	!
1837	!-- Forces by wind turbines
1838	IF ( wind_turbine ) CALL wtm_tendencies( 3 )
1839
1840	CALL module_interface_actions( 'w-tendency' )
1841
1842	!
1843	!-- Prognostic equation for w-velocity component
1844	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1845	!$ACC PRESENT(w, tend, tw_m, v_init, rdf, wall_flags_0) &
1846	!$ACC PRESENT(tsc(2:5)) &
1847	!$ACC PRESENT(w_p)
1848	DO i = nxl, nxr
1849	DO j = nys, nyn
1850	DO k = nzb+1, nzt-1
1851	w_p(k,j,i) = w(k,j,i) + ( dt_3d * ( tsc(2) * tend(k,j,i) + &
1852	tsc(3) * tw_m(k,j,i) ) &
1853	- tsc(5) * rdf(k) * w(k,j,i) &
1854	) * MERGE( 1.0_wp, 0.0_wp, &
1855	BTEST( wall_flags_0(k,j,i), 3 )&
1856	)
1857	ENDDO
1858	ENDDO
1859	ENDDO
1860
1861	!
1862	!-- Calculate tendencies for the next Runge-Kutta step
1863	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1864	IF ( intermediate_timestep_count == 1 ) THEN
1865	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1866	!$ACC PRESENT(tend, tw_m)
1867	DO i = nxl, nxr
1868	DO j = nys, nyn
1869	DO k = nzb+1, nzt-1
1870	tw_m(k,j,i) = tend(k,j,i)
1871	ENDDO
1872	ENDDO
1873	ENDDO
1874	ELSEIF ( intermediate_timestep_count < &
1875	intermediate_timestep_count_max ) THEN
1876	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1877	!$ACC PRESENT(tend, tw_m)
1878	DO i = nxl, nxr
1879	DO j = nys, nyn
1880	DO k = nzb+1, nzt-1
1881	tw_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
1882	+ 5.3125_wp * tw_m(k,j,i)
1883	ENDDO
1884	ENDDO
1885	ENDDO
1886	ENDIF
1887	ENDIF
1888
1889	CALL cpu_log( log_point(7), 'w-equation', 'stop' )
1890
1891
1892	!
1893	!-- If required, compute prognostic equation for potential temperature
1894	IF ( .NOT. neutral ) THEN
1895
1896	CALL cpu_log( log_point(13), 'pt-equation', 'start' )
1897
1898	!
1899	!-- pt-tendency terms with communication
1900	sbt = tsc(2)
1901	IF ( scalar_advec == 'bc-scheme' ) THEN
1902
1903	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
1904	!
1905	!-- Bott-Chlond scheme always uses Euler time step. Thus:
1906	sbt = 1.0_wp
1907	ENDIF
1908	tend = 0.0_wp
1909	CALL advec_s_bc( pt, 'pt' )
1910
1911	ENDIF
1912
1913	!
1914	!-- pt-tendency terms with no communication
1915	IF ( scalar_advec /= 'bc-scheme' ) THEN
1916	!$ACC KERNELS PRESENT(tend)
1917	tend = 0.0_wp
1918	!$ACC END KERNELS
1919	IF ( timestep_scheme(1:5) == 'runge' ) THEN
1920	IF ( ws_scheme_sca ) THEN
1921	CALL advec_s_ws( pt, 'pt' )
1922	ELSE
1923	CALL advec_s_pw( pt )
1924	ENDIF
1925	ELSE
1926	CALL advec_s_up( pt )
1927	ENDIF
1928	ENDIF
1929
1930	CALL diffusion_s( pt, &
1931	surf_def_h(0)%shf, surf_def_h(1)%shf, &
1932	surf_def_h(2)%shf, &
1933	surf_lsm_h%shf, surf_usm_h%shf, &
1934	surf_def_v(0)%shf, surf_def_v(1)%shf, &
1935	surf_def_v(2)%shf, surf_def_v(3)%shf, &
1936	surf_lsm_v(0)%shf, surf_lsm_v(1)%shf, &
1937	surf_lsm_v(2)%shf, surf_lsm_v(3)%shf, &
1938	surf_usm_v(0)%shf, surf_usm_v(1)%shf, &
1939	surf_usm_v(2)%shf, surf_usm_v(3)%shf )
1940
1941	!
1942	!-- Consideration of heat sources within the plant canopy
1943	IF ( plant_canopy .AND. &
1944	(cthf /= 0.0_wp .OR. urban_surface .OR. land_surface) ) THEN
1945	CALL pcm_tendency( 4 )
1946	ENDIF
1947
1948	!
1949	!-- Large scale advection
1950	IF ( large_scale_forcing ) THEN
1951	CALL ls_advec( simulated_time, 'pt' )
1952	ENDIF
1953
1954	!
1955	!-- Nudging
1956	IF ( nudging ) CALL nudge( simulated_time, 'pt' )
1957
1958	!
1959	!-- If required compute influence of large-scale subsidence/ascent
1960	IF ( large_scale_subsidence .AND. &
1961	.NOT. use_subsidence_tendencies ) THEN
1962	CALL subsidence( tend, pt, pt_init, 2 )
1963	ENDIF
1964
1965	#if defined( __rrtmg )
1966	!
1967	!-- If required, add tendency due to radiative heating/cooling
1968	IF ( radiation .AND. &
1969	simulated_time > skip_time_do_radiation ) THEN
1970	CALL radiation_tendency ( tend )
1971	ENDIF
1972	#endif
1973
1974	CALL module_interface_actions( 'pt-tendency' )
1975
1976	!
1977	!-- Prognostic equation for potential temperature
1978	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
1979	!$ACC PRESENT(pt, tend, tpt_m, wall_flags_0) &
1980	!$ACC PRESENT(pt_init, rdf_sc, ptdf_x, ptdf_y) &
1981	!$ACC PRESENT(tsc(3:5)) &
1982	!$ACC PRESENT(pt_p)
1983	DO i = nxl, nxr
1984	DO j = nys, nyn
1985	DO k = nzb+1, nzt
1986	pt_p(k,j,i) = pt(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
1987	tsc(3) * tpt_m(k,j,i) ) &
1988	- tsc(5) * &
1989	( pt(k,j,i) - pt_init(k) ) *&
1990	( rdf_sc(k) + ptdf_x(i) + ptdf_y(j) )&
1991	) &
1992	* MERGE( 1.0_wp, 0.0_wp, &
1993	BTEST( wall_flags_0(k,j,i), 0 ) &
1994	)
1995	ENDDO
1996	ENDDO
1997	ENDDO
1998	!
1999	!-- Calculate tendencies for the next Runge-Kutta step
2000	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2001	IF ( intermediate_timestep_count == 1 ) THEN
2002	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
2003	!$ACC PRESENT(tend, tpt_m)
2004	DO i = nxl, nxr
2005	DO j = nys, nyn
2006	DO k = nzb+1, nzt
2007	tpt_m(k,j,i) = tend(k,j,i)
2008	ENDDO
2009	ENDDO
2010	ENDDO
2011	ELSEIF ( intermediate_timestep_count < &
2012	intermediate_timestep_count_max ) THEN
2013	!$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) &
2014	!$ACC PRESENT(tend, tpt_m)
2015	DO i = nxl, nxr
2016	DO j = nys, nyn
2017	DO k = nzb+1, nzt
2018	tpt_m(k,j,i) = -9.5625_wp * tend(k,j,i) + &
2019	5.3125_wp * tpt_m(k,j,i)
2020	ENDDO
2021	ENDDO
2022	ENDDO
2023	ENDIF
2024	ENDIF
2025
2026	CALL cpu_log( log_point(13), 'pt-equation', 'stop' )
2027
2028	ENDIF
2029
2030	!
2031	!-- If required, compute prognostic equation for total water content
2032	IF ( humidity ) THEN
2033
2034	CALL cpu_log( log_point(29), 'q-equation', 'start' )
2035
2036	!
2037	!-- Scalar/q-tendency terms with communication
2038	sbt = tsc(2)
2039	IF ( scalar_advec == 'bc-scheme' ) THEN
2040
2041	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
2042	!
2043	!-- Bott-Chlond scheme always uses Euler time step. Thus:
2044	sbt = 1.0_wp
2045	ENDIF
2046	tend = 0.0_wp
2047	CALL advec_s_bc( q, 'q' )
2048
2049	ENDIF
2050
2051	!
2052	!-- Scalar/q-tendency terms with no communication
2053	IF ( scalar_advec /= 'bc-scheme' ) THEN
2054	tend = 0.0_wp
2055	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2056	IF ( ws_scheme_sca ) THEN
2057	CALL advec_s_ws( q, 'q' )
2058	ELSE
2059	CALL advec_s_pw( q )
2060	ENDIF
2061	ELSE
2062	CALL advec_s_up( q )
2063	ENDIF
2064	ENDIF
2065
2066	CALL diffusion_s( q, &
2067	surf_def_h(0)%qsws, surf_def_h(1)%qsws, &
2068	surf_def_h(2)%qsws, &
2069	surf_lsm_h%qsws, surf_usm_h%qsws, &
2070	surf_def_v(0)%qsws, surf_def_v(1)%qsws, &
2071	surf_def_v(2)%qsws, surf_def_v(3)%qsws, &
2072	surf_lsm_v(0)%qsws, surf_lsm_v(1)%qsws, &
2073	surf_lsm_v(2)%qsws, surf_lsm_v(3)%qsws, &
2074	surf_usm_v(0)%qsws, surf_usm_v(1)%qsws, &
2075	surf_usm_v(2)%qsws, surf_usm_v(3)%qsws )
2076
2077	!
2078	!-- Sink or source of humidity due to canopy elements
2079	IF ( plant_canopy ) CALL pcm_tendency( 5 )
2080
2081	!
2082	!-- Large scale advection
2083	IF ( large_scale_forcing ) THEN
2084	CALL ls_advec( simulated_time, 'q' )
2085	ENDIF
2086
2087	!
2088	!-- Nudging
2089	IF ( nudging ) CALL nudge( simulated_time, 'q' )
2090
2091	!
2092	!-- If required compute influence of large-scale subsidence/ascent
2093	IF ( large_scale_subsidence .AND. &
2094	.NOT. use_subsidence_tendencies ) THEN
2095	CALL subsidence( tend, q, q_init, 3 )
2096	ENDIF
2097
2098	CALL module_interface_actions( 'q-tendency' )
2099
2100	!
2101	!-- Prognostic equation for total water content
2102	DO i = nxl, nxr
2103	DO j = nys, nyn
2104	DO k = nzb+1, nzt
2105	q_p(k,j,i) = q(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
2106	tsc(3) * tq_m(k,j,i) ) &
2107	- tsc(5) * rdf_sc(k) * &
2108	( q(k,j,i) - q_init(k) ) &
2109	) * MERGE( 1.0_wp, 0.0_wp, &
2110	BTEST( wall_flags_0(k,j,i), 0 ) &
2111	)
2112	IF ( q_p(k,j,i) < 0.0_wp ) q_p(k,j,i) = 0.1_wp * q(k,j,i)
2113	ENDDO
2114	ENDDO
2115	ENDDO
2116
2117	!
2118	!-- Calculate tendencies for the next Runge-Kutta step
2119	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2120	IF ( intermediate_timestep_count == 1 ) THEN
2121	DO i = nxl, nxr
2122	DO j = nys, nyn
2123	DO k = nzb+1, nzt
2124	tq_m(k,j,i) = tend(k,j,i)
2125	ENDDO
2126	ENDDO
2127	ENDDO
2128	ELSEIF ( intermediate_timestep_count < &
2129	intermediate_timestep_count_max ) THEN
2130	DO i = nxl, nxr
2131	DO j = nys, nyn
2132	DO k = nzb+1, nzt
2133	tq_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
2134	+ 5.3125_wp * tq_m(k,j,i)
2135	ENDDO
2136	ENDDO
2137	ENDDO
2138	ENDIF
2139	ENDIF
2140
2141	CALL cpu_log( log_point(29), 'q-equation', 'stop' )
2142
2143	!
2144	!-- If required, calculate prognostic equations for cloud water content
2145	!-- and cloud drop concentration
2146	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
2147
2148	CALL cpu_log( log_point(67), 'qc-equation', 'start' )
2149
2150	!
2151	!-- Calculate prognostic equation for cloud water content
2152	sbt = tsc(2)
2153	IF ( scalar_advec == 'bc-scheme' ) THEN
2154
2155	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
2156	!
2157	!-- Bott-Chlond scheme always uses Euler time step. Thus:
2158	sbt = 1.0_wp
2159	ENDIF
2160	tend = 0.0_wp
2161	CALL advec_s_bc( qc, 'qc' )
2162
2163	ENDIF
2164
2165	!
2166	!-- qc-tendency terms with no communication
2167	IF ( scalar_advec /= 'bc-scheme' ) THEN
2168	tend = 0.0_wp
2169	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2170	IF ( ws_scheme_sca ) THEN
2171	CALL advec_s_ws( qc, 'qc' )
2172	ELSE
2173	CALL advec_s_pw( qc )
2174	ENDIF
2175	ELSE
2176	CALL advec_s_up( qc )
2177	ENDIF
2178	ENDIF
2179
2180	CALL diffusion_s( qc, &
2181	surf_def_h(0)%qcsws, surf_def_h(1)%qcsws, &
2182	surf_def_h(2)%qcsws, &
2183	surf_lsm_h%qcsws, surf_usm_h%qcsws, &
2184	surf_def_v(0)%qcsws, surf_def_v(1)%qcsws, &
2185	surf_def_v(2)%qcsws, surf_def_v(3)%qcsws, &
2186	surf_lsm_v(0)%qcsws, surf_lsm_v(1)%qcsws, &
2187	surf_lsm_v(2)%qcsws, surf_lsm_v(3)%qcsws, &
2188	surf_usm_v(0)%qcsws, surf_usm_v(1)%qcsws, &
2189	surf_usm_v(2)%qcsws, surf_usm_v(3)%qcsws )
2190
2191	!
2192	!-- Prognostic equation for cloud water content
2193	DO i = nxl, nxr
2194	DO j = nys, nyn
2195	DO k = nzb+1, nzt
2196	qc_p(k,j,i) = qc(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
2197	tsc(3) * tqc_m(k,j,i) ) &
2198	- tsc(5) * rdf_sc(k) * &
2199	qc(k,j,i) &
2200	) &
2201	* MERGE( 1.0_wp, 0.0_wp, &
2202	BTEST( wall_flags_0(k,j,i), 0 ) &
2203	)
2204	IF ( qc_p(k,j,i) < 0.0_wp ) qc_p(k,j,i) = 0.0_wp
2205	ENDDO
2206	ENDDO
2207	ENDDO
2208
2209	!
2210	!-- Calculate tendencies for the next Runge-Kutta step
2211	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2212	IF ( intermediate_timestep_count == 1 ) THEN
2213	DO i = nxl, nxr
2214	DO j = nys, nyn
2215	DO k = nzb+1, nzt
2216	tqc_m(k,j,i) = tend(k,j,i)
2217	ENDDO
2218	ENDDO
2219	ENDDO
2220	ELSEIF ( intermediate_timestep_count < &
2221	intermediate_timestep_count_max ) THEN
2222	DO i = nxl, nxr
2223	DO j = nys, nyn
2224	DO k = nzb+1, nzt
2225	tqc_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
2226	+ 5.3125_wp * tqc_m(k,j,i)
2227	ENDDO
2228	ENDDO
2229	ENDDO
2230	ENDIF
2231	ENDIF
2232
2233	CALL cpu_log( log_point(67), 'qc-equation', 'stop' )
2234
2235	CALL cpu_log( log_point(68), 'nc-equation', 'start' )
2236	!
2237	!-- Calculate prognostic equation for cloud drop concentration
2238	sbt = tsc(2)
2239	IF ( scalar_advec == 'bc-scheme' ) THEN
2240
2241	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
2242	!
2243	!-- Bott-Chlond scheme always uses Euler time step. Thus:
2244	sbt = 1.0_wp
2245	ENDIF
2246	tend = 0.0_wp
2247	CALL advec_s_bc( nc, 'nc' )
2248
2249	ENDIF
2250
2251	!
2252	!-- nc-tendency terms with no communication
2253	IF ( scalar_advec /= 'bc-scheme' ) THEN
2254	tend = 0.0_wp
2255	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2256	IF ( ws_scheme_sca ) THEN
2257	CALL advec_s_ws( nc, 'nc' )
2258	ELSE
2259	CALL advec_s_pw( nc )
2260	ENDIF
2261	ELSE
2262	CALL advec_s_up( nc )
2263	ENDIF
2264	ENDIF
2265
2266	CALL diffusion_s( nc, &
2267	surf_def_h(0)%ncsws, surf_def_h(1)%ncsws, &
2268	surf_def_h(2)%ncsws, &
2269	surf_lsm_h%ncsws, surf_usm_h%ncsws, &
2270	surf_def_v(0)%ncsws, surf_def_v(1)%ncsws, &
2271	surf_def_v(2)%ncsws, surf_def_v(3)%ncsws, &
2272	surf_lsm_v(0)%ncsws, surf_lsm_v(1)%ncsws, &
2273	surf_lsm_v(2)%ncsws, surf_lsm_v(3)%ncsws, &
2274	surf_usm_v(0)%ncsws, surf_usm_v(1)%ncsws, &
2275	surf_usm_v(2)%ncsws, surf_usm_v(3)%ncsws )
2276
2277	!
2278	!-- Prognostic equation for cloud drop concentration
2279	DO i = nxl, nxr
2280	DO j = nys, nyn
2281	DO k = nzb+1, nzt
2282	nc_p(k,j,i) = nc(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
2283	tsc(3) * tnc_m(k,j,i) ) &
2284	- tsc(5) * rdf_sc(k) * &
2285	nc(k,j,i) &
2286	) &
2287	* MERGE( 1.0_wp, 0.0_wp, &
2288	BTEST( wall_flags_0(k,j,i), 0 ) &
2289	)
2290	IF ( nc_p(k,j,i) < 0.0_wp ) nc_p(k,j,i) = 0.0_wp
2291	ENDDO
2292	ENDDO
2293	ENDDO
2294
2295	!
2296	!-- Calculate tendencies for the next Runge-Kutta step
2297	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2298	IF ( intermediate_timestep_count == 1 ) THEN
2299	DO i = nxl, nxr
2300	DO j = nys, nyn
2301	DO k = nzb+1, nzt
2302	tnc_m(k,j,i) = tend(k,j,i)
2303	ENDDO
2304	ENDDO
2305	ENDDO
2306	ELSEIF ( intermediate_timestep_count < &
2307	intermediate_timestep_count_max ) THEN
2308	DO i = nxl, nxr
2309	DO j = nys, nyn
2310	DO k = nzb+1, nzt
2311	tnc_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
2312	+ 5.3125_wp * tnc_m(k,j,i)
2313	ENDDO
2314	ENDDO
2315	ENDDO
2316	ENDIF
2317	ENDIF
2318
2319	CALL cpu_log( log_point(68), 'nc-equation', 'stop' )
2320
2321	ENDIF
2322	!
2323	!-- If required, calculate prognostic equations for rain water content
2324	!-- and rain drop concentration
2325	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
2326
2327	CALL cpu_log( log_point(52), 'qr-equation', 'start' )
2328
2329	!
2330	!-- Calculate prognostic equation for rain water content
2331	sbt = tsc(2)
2332	IF ( scalar_advec == 'bc-scheme' ) THEN
2333
2334	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
2335	!
2336	!-- Bott-Chlond scheme always uses Euler time step. Thus:
2337	sbt = 1.0_wp
2338	ENDIF
2339	tend = 0.0_wp
2340	CALL advec_s_bc( qr, 'qr' )
2341
2342	ENDIF
2343
2344	!
2345	!-- qr-tendency terms with no communication
2346	IF ( scalar_advec /= 'bc-scheme' ) THEN
2347	tend = 0.0_wp
2348	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2349	IF ( ws_scheme_sca ) THEN
2350	CALL advec_s_ws( qr, 'qr' )
2351	ELSE
2352	CALL advec_s_pw( qr )
2353	ENDIF
2354	ELSE
2355	CALL advec_s_up( qr )
2356	ENDIF
2357	ENDIF
2358
2359	CALL diffusion_s( qr, &
2360	surf_def_h(0)%qrsws, surf_def_h(1)%qrsws, &
2361	surf_def_h(2)%qrsws, &
2362	surf_lsm_h%qrsws, surf_usm_h%qrsws, &
2363	surf_def_v(0)%qrsws, surf_def_v(1)%qrsws, &
2364	surf_def_v(2)%qrsws, surf_def_v(3)%qrsws, &
2365	surf_lsm_v(0)%qrsws, surf_lsm_v(1)%qrsws, &
2366	surf_lsm_v(2)%qrsws, surf_lsm_v(3)%qrsws, &
2367	surf_usm_v(0)%qrsws, surf_usm_v(1)%qrsws, &
2368	surf_usm_v(2)%qrsws, surf_usm_v(3)%qrsws )
2369
2370	!
2371	!-- Prognostic equation for rain water content
2372	DO i = nxl, nxr
2373	DO j = nys, nyn
2374	DO k = nzb+1, nzt
2375	qr_p(k,j,i) = qr(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
2376	tsc(3) * tqr_m(k,j,i) ) &
2377	- tsc(5) * rdf_sc(k) * &
2378	qr(k,j,i) &
2379	) &
2380	* MERGE( 1.0_wp, 0.0_wp, &
2381	BTEST( wall_flags_0(k,j,i), 0 ) &
2382	)
2383	IF ( qr_p(k,j,i) < 0.0_wp ) qr_p(k,j,i) = 0.0_wp
2384	ENDDO
2385	ENDDO
2386	ENDDO
2387
2388	!
2389	!-- Calculate tendencies for the next Runge-Kutta step
2390	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2391	IF ( intermediate_timestep_count == 1 ) THEN
2392	DO i = nxl, nxr
2393	DO j = nys, nyn
2394	DO k = nzb+1, nzt
2395	tqr_m(k,j,i) = tend(k,j,i)
2396	ENDDO
2397	ENDDO
2398	ENDDO
2399	ELSEIF ( intermediate_timestep_count < &
2400	intermediate_timestep_count_max ) THEN
2401	DO i = nxl, nxr
2402	DO j = nys, nyn
2403	DO k = nzb+1, nzt
2404	tqr_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
2405	+ 5.3125_wp * tqr_m(k,j,i)
2406	ENDDO
2407	ENDDO
2408	ENDDO
2409	ENDIF
2410	ENDIF
2411
2412	CALL cpu_log( log_point(52), 'qr-equation', 'stop' )
2413	CALL cpu_log( log_point(53), 'nr-equation', 'start' )
2414
2415	!
2416	!-- Calculate prognostic equation for rain drop concentration
2417	sbt = tsc(2)
2418	IF ( scalar_advec == 'bc-scheme' ) THEN
2419
2420	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
2421	!
2422	!-- Bott-Chlond scheme always uses Euler time step. Thus:
2423	sbt = 1.0_wp
2424	ENDIF
2425	tend = 0.0_wp
2426	CALL advec_s_bc( nr, 'nr' )
2427
2428	ENDIF
2429
2430	!
2431	!-- nr-tendency terms with no communication
2432	IF ( scalar_advec /= 'bc-scheme' ) THEN
2433	tend = 0.0_wp
2434	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2435	IF ( ws_scheme_sca ) THEN
2436	CALL advec_s_ws( nr, 'nr' )
2437	ELSE
2438	CALL advec_s_pw( nr )
2439	ENDIF
2440	ELSE
2441	CALL advec_s_up( nr )
2442	ENDIF
2443	ENDIF
2444
2445	CALL diffusion_s( nr, &
2446	surf_def_h(0)%nrsws, surf_def_h(1)%nrsws, &
2447	surf_def_h(2)%nrsws, &
2448	surf_lsm_h%nrsws, surf_usm_h%nrsws, &
2449	surf_def_v(0)%nrsws, surf_def_v(1)%nrsws, &
2450	surf_def_v(2)%nrsws, surf_def_v(3)%nrsws, &
2451	surf_lsm_v(0)%nrsws, surf_lsm_v(1)%nrsws, &
2452	surf_lsm_v(2)%nrsws, surf_lsm_v(3)%nrsws, &
2453	surf_usm_v(0)%nrsws, surf_usm_v(1)%nrsws, &
2454	surf_usm_v(2)%nrsws, surf_usm_v(3)%nrsws )
2455
2456	!
2457	!-- Prognostic equation for rain drop concentration
2458	DO i = nxl, nxr
2459	DO j = nys, nyn
2460	DO k = nzb+1, nzt
2461	nr_p(k,j,i) = nr(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
2462	tsc(3) * tnr_m(k,j,i) ) &
2463	- tsc(5) * rdf_sc(k) * &
2464	nr(k,j,i) &
2465	) &
2466	* MERGE( 1.0_wp, 0.0_wp, &
2467	BTEST( wall_flags_0(k,j,i), 0 ) &
2468	)
2469	IF ( nr_p(k,j,i) < 0.0_wp ) nr_p(k,j,i) = 0.0_wp
2470	ENDDO
2471	ENDDO
2472	ENDDO
2473
2474	!
2475	!-- Calculate tendencies for the next Runge-Kutta step
2476	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2477	IF ( intermediate_timestep_count == 1 ) THEN
2478	DO i = nxl, nxr
2479	DO j = nys, nyn
2480	DO k = nzb+1, nzt
2481	tnr_m(k,j,i) = tend(k,j,i)
2482	ENDDO
2483	ENDDO
2484	ENDDO
2485	ELSEIF ( intermediate_timestep_count < &
2486	intermediate_timestep_count_max ) THEN
2487	DO i = nxl, nxr
2488	DO j = nys, nyn
2489	DO k = nzb+1, nzt
2490	tnr_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
2491	+ 5.3125_wp * tnr_m(k,j,i)
2492	ENDDO
2493	ENDDO
2494	ENDDO
2495	ENDIF
2496	ENDIF
2497
2498	CALL cpu_log( log_point(53), 'nr-equation', 'stop' )
2499
2500	ENDIF
2501
2502	ENDIF
2503	!
2504	!-- If required, compute prognostic equation for scalar
2505	IF ( passive_scalar ) THEN
2506
2507	CALL cpu_log( log_point(66), 's-equation', 'start' )
2508
2509	!
2510	!-- Scalar/q-tendency terms with communication
2511	sbt = tsc(2)
2512	IF ( scalar_advec == 'bc-scheme' ) THEN
2513
2514	IF ( timestep_scheme(1:5) /= 'runge' ) THEN
2515	!
2516	!-- Bott-Chlond scheme always uses Euler time step. Thus:
2517	sbt = 1.0_wp
2518	ENDIF
2519	tend = 0.0_wp
2520	CALL advec_s_bc( s, 's' )
2521
2522	ENDIF
2523
2524	!
2525	!-- Scalar/q-tendency terms with no communication
2526	IF ( scalar_advec /= 'bc-scheme' ) THEN
2527	tend = 0.0_wp
2528	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2529	IF ( ws_scheme_sca ) THEN
2530	CALL advec_s_ws( s, 's' )
2531	ELSE
2532	CALL advec_s_pw( s )
2533	ENDIF
2534	ELSE
2535	CALL advec_s_up( s )
2536	ENDIF
2537	ENDIF
2538
2539	CALL diffusion_s( s, &
2540	surf_def_h(0)%ssws, surf_def_h(1)%ssws, &
2541	surf_def_h(2)%ssws, &
2542	surf_lsm_h%ssws, surf_usm_h%ssws, &
2543	surf_def_v(0)%ssws, surf_def_v(1)%ssws, &
2544	surf_def_v(2)%ssws, surf_def_v(3)%ssws, &
2545	surf_lsm_v(0)%ssws, surf_lsm_v(1)%ssws, &
2546	surf_lsm_v(2)%ssws, surf_lsm_v(3)%ssws, &
2547	surf_usm_v(0)%ssws, surf_usm_v(1)%ssws, &
2548	surf_usm_v(2)%ssws, surf_usm_v(3)%ssws )
2549
2550	!
2551	!-- Sink or source of humidity due to canopy elements
2552	IF ( plant_canopy ) CALL pcm_tendency( 7 )
2553
2554	!
2555	!-- Large scale advection. Not implemented for scalars so far.
2556	! IF ( large_scale_forcing ) THEN
2557	! CALL ls_advec( simulated_time, 'q' )
2558	! ENDIF
2559
2560	!
2561	!-- Nudging. Not implemented for scalars so far.
2562	! IF ( nudging ) CALL nudge( simulated_time, 'q' )
2563
2564	!
2565	!-- If required compute influence of large-scale subsidence/ascent.
2566	!-- Not implemented for scalars so far.
2567	IF ( large_scale_subsidence .AND. &
2568	.NOT. use_subsidence_tendencies .AND. &
2569	.NOT. large_scale_forcing ) THEN
2570	CALL subsidence( tend, s, s_init, 3 )
2571	ENDIF
2572
2573	CALL module_interface_actions( 's-tendency' )
2574
2575	!
2576	!-- Prognostic equation for total water content
2577	DO i = nxl, nxr
2578	DO j = nys, nyn
2579	DO k = nzb+1, nzt
2580	s_p(k,j,i) = s(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + &
2581	tsc(3) * ts_m(k,j,i) ) &
2582	- tsc(5) * rdf_sc(k) * &
2583	( s(k,j,i) - s_init(k) ) &
2584	) &
2585	* MERGE( 1.0_wp, 0.0_wp, &
2586	BTEST( wall_flags_0(k,j,i), 0 ) &
2587	)
2588	IF ( s_p(k,j,i) < 0.0_wp ) s_p(k,j,i) = 0.1_wp * s(k,j,i)
2589	ENDDO
2590	ENDDO
2591	ENDDO
2592
2593	!
2594	!-- Calculate tendencies for the next Runge-Kutta step
2595	IF ( timestep_scheme(1:5) == 'runge' ) THEN
2596	IF ( intermediate_timestep_count == 1 ) THEN
2597	DO i = nxl, nxr
2598	DO j = nys, nyn
2599	DO k = nzb+1, nzt
2600	ts_m(k,j,i) = tend(k,j,i)
2601	ENDDO
2602	ENDDO
2603	ENDDO
2604	ELSEIF ( intermediate_timestep_count < &
2605	intermediate_timestep_count_max ) THEN
2606	DO i = nxl, nxr
2607	DO j = nys, nyn
2608	DO k = nzb+1, nzt
2609	ts_m(k,j,i) = -9.5625_wp * tend(k,j,i) &
2610	+ 5.3125_wp * ts_m(k,j,i)
2611	ENDDO
2612	ENDDO
2613	ENDDO
2614	ENDIF
2615	ENDIF
2616
2617	CALL cpu_log( log_point(66), 's-equation', 'stop' )
2618
2619	ENDIF
2620
2621	!
2622	!-- Calculate prognostic equations for turbulence closure
2623	CALL tcm_prognostic_equations()
2624
2625	!
2626	!-- Calculate prognostic equation for chemical quantites
2627	IF ( air_chemistry ) THEN
2628	CALL cpu_log( log_point_s(25), 'chem.advec+diff+prog', 'start' )
2629	!
2630	!-- Loop over chemical species
2631	DO lsp = 1, nvar
2632	CALL chem_prognostic_equations( chem_species(lsp)%conc_p, &
2633	chem_species(lsp)%conc, &
2634	chem_species(lsp)%tconc_m, &
2635	chem_species(lsp)%conc_pr_init, &
2636	lsp )
2637	ENDDO
2638
2639	CALL cpu_log( log_point_s(25), 'chem.advec+diff+prog', 'stop' )
2640	ENDIF ! Chemicals equations
2641
2642	IF ( salsa ) THEN
2643	CALL cpu_log( log_point_s(92), 'salsa advec+diff+prog ', 'start' )
2644	!
2645	!-- Loop over aerosol size bins: number and mass bins
2646	IF ( time_since_reference_point >= skip_time_do_salsa ) THEN
2647
2648	DO b = 1, nbins
2649	sums_salsa_ws_l = aerosol_number(b)%sums_ws_l
2650	CALL salsa_tendency( 'aerosol_number', aerosol_number(b)%conc_p, &
2651	aerosol_number(b)%conc, &
2652	aerosol_number(b)%tconc_m, &
2653	b, b, aerosol_number(b)%init )
2654	aerosol_number(b)%sums_ws_l = sums_salsa_ws_l
2655	DO c = 1, ncc_tot
2656	sums_salsa_ws_l = aerosol_mass((c-1)*nbins+b)%sums_ws_l
2657	CALL salsa_tendency( 'aerosol_mass', &
2658	aerosol_mass((c-1)*nbins+b)%conc_p, &
2659	aerosol_mass((c-1)*nbins+b)%conc, &
2660	aerosol_mass((c-1)*nbins+b)%tconc_m, &
2661	b, c, aerosol_mass((c-1)*nbins+b)%init )
2662	aerosol_mass((c-1)*nbins+b)%sums_ws_l = sums_salsa_ws_l
2663	ENDDO
2664	ENDDO
2665	IF ( .NOT. salsa_gases_from_chem ) THEN
2666	DO g = 1, ngast
2667	sums_salsa_ws_l = salsa_gas(g)%sums_ws_l
2668	CALL salsa_tendency( 'salsa_gas', salsa_gas(g)%conc_p, &
2669	salsa_gas(g)%conc, salsa_gas(g)%tconc_m, &
2670	g, g, salsa_gas(g)%init )
2671	salsa_gas(g)%sums_ws_l = sums_salsa_ws_l
2672	ENDDO
2673	ENDIF
2674
2675	ENDIF
2676
2677	CALL cpu_log( log_point_s(92), 'salsa advec+diff+prog ', 'stop' )
2678	ENDIF
2679
2680	!
2681	!-- Calculate prognostic equations for the ocean
2682	IF ( ocean_mode ) CALL ocean_prognostic_equations()
2683
2684	END SUBROUTINE prognostic_equations_vector
2685
2686
2687	END MODULE prognostic_equations_mod

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